<?php
-
/**
* @file include/diaspora.php
- *
- * @todo GET /people/9aed8882b9f64896/stream
+ * @brief The implementation of the diaspora protocol
*/
-require_once('include/crypto.php');
-require_once('include/items.php');
-require_once('include/bb2diaspora.php');
-require_once('include/contact_selectors.php');
-require_once('include/queue_fn.php');
-require_once('include/lock.php');
-require_once('include/threads.php');
-require_once('mod/share.php');
-require_once('include/enotify.php');
-require_once('include/diaspora2.php');
-
-function diaspora_dispatch_public($msg) {
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod-diaspora: disabled');
- return;
- }
-
- // Use a dummy importer to import the data for the public copy
- $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
- $result = diaspora_dispatch($importer,$msg);
- logger("Dispatcher reported ".$result, LOGGER_DEBUG);
-
- // Now distribute it to the followers
- $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
- ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
- AND `account_expired` = 0 AND `account_removed` = 0 ",
- dbesc(NETWORK_DIASPORA),
- dbesc($msg['author'])
- );
- if(count($r)) {
- foreach($r as $rr) {
- logger('diaspora_public: delivering to: ' . $rr['username']);
- diaspora_dispatch($rr,$msg);
- }
- }
- else
- logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
-}
-
+require_once("include/items.php");
+require_once("include/bb2diaspora.php");
+require_once("include/Scrape.php");
+require_once("include/Contact.php");
+require_once("include/Photo.php");
+require_once("include/socgraph.php");
+require_once("include/group.php");
+require_once("include/xml.php");
+require_once("include/datetime.php");
+/**
+ * @brief This class contain functions to create and send Diaspora XML files
+ *
+ */
+class diaspora {
-function diaspora_dispatch($importer,$msg,$attempt=1) {
-
- $ret = 0;
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod-diaspora: disabled');
- return;
- }
-
- $data = $msg;
+ public static function relay_list() {
- // php doesn't like dashes in variable names
+ $serverdata = get_config("system", "relay_server");
+ if ($serverdata == "")
+ return array();
- $msg['message'] = str_replace(
- array('<activity_streams-photo>','</activity_streams-photo>'),
- array('<asphoto>','</asphoto>'),
- $msg['message']);
+ $relay = array();
+ $servers = explode(",", $serverdata);
- $parsed_xml = parse_xml_string($msg['message'],false);
+ foreach($servers AS $server) {
+ $server = trim($server);
+ $batch = $server."/receive/public";
- $xmlbase = $parsed_xml->post;
+ $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
- logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
+ if (!$relais) {
+ $addr = "relay@".str_replace("http://", "", normalise_link($server));
+
+ $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
+ VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
+ datetime_convert(),
+ dbesc($addr),
+ dbesc($addr),
+ dbesc($server),
+ dbesc(normalise_link($server)),
+ dbesc($batch),
+ dbesc(NETWORK_DIASPORA),
+ intval(CONTACT_IS_FOLLOWER),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert())
+ );
+ $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
+ if ($relais)
+ $relay[] = $relais[0];
+ } else
+ $relay[] = $relais[0];
+ }
- if($xmlbase->request) {
- $tempfile = tempnam(get_temppath(), "diaspora-request");
- file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_request($importer,$xmlbase->request);
- }
- elseif($xmlbase->status_message) {
- //$tempfile = tempnam(get_temppath(), "diaspora-status_message");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
- }
- elseif($xmlbase->profile) {
- //$tempfile = tempnam(get_temppath(), "diaspora-profile");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
- }
- elseif($xmlbase->comment) {
- //$tempfile = tempnam(get_temppath(), "diaspora-comment");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
- }
- elseif($xmlbase->like) {
- //$tempfile = tempnam(get_temppath(), "diaspora-like");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_like($importer,$xmlbase->like,$msg);
- }
- elseif($xmlbase->asphoto) {
- $tempfile = tempnam(get_temppath(), "diaspora-asphoto");
- file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
- }
- elseif($xmlbase->reshare) {
- //$tempfile = tempnam(get_temppath(), "diaspora-reshare");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
- }
- elseif($xmlbase->retraction) {
- //$tempfile = tempnam(get_temppath(), "diaspora-retraction");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
+ return $relay;
}
- elseif($xmlbase->signed_retraction) {
- //$tempfile = tempnam(get_temppath(), "diaspora-signed_retraction");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
- }
- elseif($xmlbase->relayable_retraction) {
- //$tempfile = tempnam(get_temppath(), "diaspora-relayable_retraction");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
- }
- elseif($xmlbase->photo) {
- //$tempfile = tempnam(get_temppath(), "diaspora-photo");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
- }
- elseif($xmlbase->conversation) {
- $tempfile = tempnam(get_temppath(), "diaspora-conversation");
- file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
- }
- elseif($xmlbase->message) {
- $tempfile = tempnam(get_temppath(), "diaspora-message");
- file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_message($importer,$xmlbase->message,$msg);
- }
- elseif($xmlbase->participation) {
- //$tempfile = tempnam(get_temppath(), "diaspora-participation");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_participation($importer,$xmlbase->participation);
- }
- elseif($xmlbase->poll_participation) {
- //$tempfile = tempnam(get_temppath(), "diaspora-poll_participation");
- //file_put_contents($tempfile, json_encode($data));
- $ret = diaspora_participation($importer,$xmlbase->poll_participation);
- }
- else {
- $tempfile = tempnam(get_temppath(), "diaspora-unknown");
- file_put_contents($tempfile, json_encode($data));
- logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
- }
- return $ret;
-}
-
-function diaspora_handle_from_contact($contact_id) {
- $handle = False;
-
- logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
- $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
- intval($contact_id)
- );
- if($r) {
- $contact = $r[0];
+ function repair_signature($signature, $handle = "", $level = 1) {
- logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
+ if ($signature == "")
+ return ($signature);
- if($contact['network'] === NETWORK_DIASPORA) {
- $handle = $contact['addr'];
+ if (base64_encode(base64_decode(base64_decode($signature))) == base64_decode($signature)) {
+ $signature = base64_decode($signature);
+ logger("Repaired double encoded signature from Diaspora/Hubzilla handle ".$handle." - level ".$level, LOGGER_DEBUG);
-// logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
+ // Do a recursive call to be able to fix even multiple levels
+ if ($level < 10)
+ $signature = self::repair_signature($signature, $handle, ++$level);
}
- elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
- $baseurl_start = strpos($contact['url'],'://') + 3;
- $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
- $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
- $handle = $contact['nick'] . '@' . $baseurl;
-// logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
- }
+ return($signature);
}
- return $handle;
-}
+ /**
+ * @brief: Decodes incoming Diaspora message
+ *
+ * @param array $importer from user table
+ * @param string $xml urldecoded Diaspora salmon
+ *
+ * @return array
+ * 'message' -> decoded Diaspora XML message
+ * 'author' -> author diaspora handle
+ * 'key' -> author public key (converted to pkcs#8)
+ */
+ function decode($importer, $xml) {
-function diaspora_get_contact_by_handle($uid,$handle) {
- $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
- dbesc(NETWORK_DIASPORA),
- intval($uid),
- dbesc($handle)
- );
- if($r && count($r))
- return $r[0];
-
- $handle_parts = explode("@", $handle);
- $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
- $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
- dbesc(NETWORK_DFRN),
- intval($uid),
- dbesc($nurl_sql)
- );
- if($r && count($r))
- return $r[0];
-
- return false;
-}
+ $public = false;
+ $basedom = parse_xml_string($xml);
-function find_diaspora_person_by_handle($handle) {
+ if (!is_object($basedom))
+ return false;
- $person = false;
- $update = false;
- $got_lock = false;
+ $children = $basedom->children('https://joindiaspora.com/protocol');
- $endlessloop = 0;
- $maxloops = 10;
+ if($children->header) {
+ $public = true;
+ $author_link = str_replace('acct:','',$children->header->author_id);
+ } else {
- do {
- $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
- dbesc(NETWORK_DIASPORA),
- dbesc($handle)
- );
- if(count($r)) {
- $person = $r[0];
- logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
+ $encrypted_header = json_decode(base64_decode($children->encrypted_header));
- // update record occasionally so it doesn't get stale
- $d = strtotime($person['updated'] . ' +00:00');
- if($d < strtotime('now - 14 days'))
- $update = true;
- }
+ $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
+ $ciphertext = base64_decode($encrypted_header->ciphertext);
+ $outer_key_bundle = '';
+ openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
- // FETCHING PERSON INFORMATION FROM REMOTE SERVER
- //
- // If the person isn't in our 'fcontact' table, or if he/she is but
- // his/her information hasn't been updated for more than 14 days, then
- // we want to fetch the person's information from the remote server.
- //
- // Note that $person isn't changed by this block of code unless the
- // person's information has been successfully fetched from the remote
- // server. So if $person was 'false' to begin with (because he/she wasn't
- // in the local cache), it'll stay false, and if $person held the local
- // cache information to begin with, it'll keep that information. That way
- // if there's a problem with the remote fetch, we can at least use our
- // cached information--it's better than nothing.
-
- if((! $person) || ($update)) {
- // Lock the function to prevent race conditions if multiple items
- // come in at the same time from a person who doesn't exist in
- // fcontact
- //
- // Don't loop forever. On the last loop, try to create the contact
- // whether the function is locked or not. Maybe the locking thread
- // has died or something. At any rate, a duplicate in 'fcontact'
- // is a much smaller problem than a deadlocked thread
- $got_lock = lock_function('find_diaspora_person_by_handle', false);
- if(($endlessloop + 1) >= $maxloops)
- $got_lock = true;
-
- if($got_lock) {
- logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
- require_once('include/Scrape.php');
- $r = probe_url($handle, PROBE_DIASPORA);
-
- // Note that Friendica contacts can return a "Diaspora person"
- // if Diaspora connectivity is enabled on their server
- if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
- add_fcontact($r,$update);
- $person = ($r);
- }
+ $j_outer_key_bundle = json_decode($outer_key_bundle);
- unlock_function('find_diaspora_person_by_handle');
- }
- else {
- logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
- if(! $person)
- block_on_function_lock('find_diaspora_person_by_handle');
- }
- }
- } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
- // We need to try again if the person wasn't in 'fcontact' but the function was locked.
- // The fact that the function was locked may mean that another process was creating the
- // person's record. It could also mean another process was creating or updating an unrelated
- // person.
- //
- // At any rate, we need to keep trying until we've either got the person or had a chance to
- // try to fetch his/her remote information. But we don't want to block on locking the
- // function, because if the other process is creating the record, then when we acquire the lock
- // we'll dive right into creating another, duplicate record. We DO want to at least wait
- // until the lock is released, so we don't flood the database with requests.
- //
- // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
- // we do have some information for the person
-
- return $person;
-}
+ $outer_iv = base64_decode($j_outer_key_bundle->iv);
+ $outer_key = base64_decode($j_outer_key_bundle->key);
+ $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
-function get_diaspora_key($uri) {
- logger('Fetching diaspora key for: ' . $uri);
- $r = find_diaspora_person_by_handle($uri);
- if($r)
- return $r['pubkey'];
- return '';
-}
+ $decrypted = pkcs5_unpad($decrypted);
+ /**
+ * $decrypted now contains something like
+ *
+ * <decrypted_header>
+ * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
+ * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
+ * <author_id>galaxor@diaspora.priateship.org</author_id>
+ * </decrypted_header>
+ */
-function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
- $a = get_app();
+ logger('decrypted: '.$decrypted, LOGGER_DEBUG);
+ $idom = parse_xml_string($decrypted,false);
- logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
+ $inner_iv = base64_decode($idom->iv);
+ $inner_aes_key = base64_decode($idom->aes_key);
+ $author_link = str_replace('acct:','',$idom->author_id);
+ }
- $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ $dom = $basedom->children(NAMESPACE_SALMON_ME);
-// $b64_data = base64_encode($msg);
-// $b64url_data = base64url_encode($b64_data);
+ // figure out where in the DOM tree our data is hiding
- $b64url_data = base64url_encode($msg);
+ if($dom->provenance->data)
+ $base = $dom->provenance;
+ elseif($dom->env->data)
+ $base = $dom->env;
+ elseif($dom->data)
+ $base = $dom;
- $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
+ if (!$base) {
+ logger('unable to locate salmon data in xml');
+ http_status_exit(400);
+ }
- $type = 'application/xml';
- $encoding = 'base64url';
- $alg = 'RSA-SHA256';
- $signable_data = $data . '.' . base64url_encode($type) . '.'
- . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
+ // Stash the signature away for now. We have to find their key or it won't be good for anything.
+ $signature = base64url_decode($base->sig);
- $signature = rsa_sign($signable_data,$prvkey);
- $sig = base64url_encode($signature);
+ // unpack the data
-$magic_env = <<< EOT
-<?xml version='1.0' encoding='UTF-8'?>
-<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
- <header>
- <author_id>$handle</author_id>
- </header>
- <me:env>
- <me:encoding>base64url</me:encoding>
- <me:alg>RSA-SHA256</me:alg>
- <me:data type="application/xml">$data</me:data>
- <me:sig>$sig</me:sig>
- </me:env>
-</diaspora>
-EOT;
+ // strip whitespace so our data element will return to one big base64 blob
+ $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
- logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
- return $magic_env;
-}
+ // stash away some other stuff for later
+ $type = $base->data[0]->attributes()->type[0];
+ $keyhash = $base->sig[0]->attributes()->keyhash[0];
+ $encoding = $base->encoding;
+ $alg = $base->alg;
+ $signed_data = $data.'.'.base64url_encode($type).'.'.base64url_encode($encoding).'.'.base64url_encode($alg);
-function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
- $a = get_app();
- if($public)
- return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
+ // decode the data
+ $data = base64url_decode($data);
- logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
- // without a public key nothing will work
+ if($public)
+ $inner_decrypted = $data;
+ else {
- if(! $pubkey) {
- logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
- return '';
- }
+ // Decode the encrypted blob
- $inner_aes_key = random_string(32);
- $b_inner_aes_key = base64_encode($inner_aes_key);
- $inner_iv = random_string(16);
- $b_inner_iv = base64_encode($inner_iv);
+ $inner_encrypted = base64_decode($data);
+ $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
+ $inner_decrypted = pkcs5_unpad($inner_decrypted);
+ }
- $outer_aes_key = random_string(32);
- $b_outer_aes_key = base64_encode($outer_aes_key);
- $outer_iv = random_string(16);
- $b_outer_iv = base64_encode($outer_iv);
+ if (!$author_link) {
+ logger('Could not retrieve author URI.');
+ http_status_exit(400);
+ }
+ // Once we have the author URI, go to the web and try to find their public key
+ // (first this will look it up locally if it is in the fcontact cache)
+ // This will also convert diaspora public key from pkcs#1 to pkcs#8
- $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ logger('Fetching key for '.$author_link);
+ $key = self::key($author_link);
- $padded_data = pkcs5_pad($msg,16);
- $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
+ if (!$key) {
+ logger('Could not retrieve author key.');
+ http_status_exit(400);
+ }
- $b64_data = base64_encode($inner_encrypted);
+ $verify = rsa_verify($signed_data,$signature,$key);
+ if (!$verify) {
+ logger('Message did not verify. Discarding.');
+ http_status_exit(400);
+ }
- $b64url_data = base64url_encode($b64_data);
- $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
+ logger('Message verified.');
- $type = 'application/xml';
- $encoding = 'base64url';
- $alg = 'RSA-SHA256';
+ return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
- $signable_data = $data . '.' . base64url_encode($type) . '.'
- . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
+ }
- $signature = rsa_sign($signable_data,$prvkey);
- $sig = base64url_encode($signature);
-$decrypted_header = <<< EOT
-<decrypted_header>
- <iv>$b_inner_iv</iv>
- <aes_key>$b_inner_aes_key</aes_key>
- <author_id>$handle</author_id>
-</decrypted_header>
-EOT;
+ /**
+ * @brief Dispatches public messages and find the fitting receivers
+ *
+ * @param array $msg The post that will be dispatched
+ *
+ * @return bool Was the message accepted?
+ */
+ public static function dispatch_public($msg) {
- $decrypted_header = pkcs5_pad($decrypted_header,16);
+ $enabled = intval(get_config("system", "diaspora_enabled"));
+ if (!$enabled) {
+ logger("diaspora is disabled");
+ return false;
+ }
- $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
+ // Use a dummy importer to import the data for the public copy
+ $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
+ $item_id = self::dispatch($importer,$msg);
- $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
+ // Now distribute it to the followers
+ $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
+ (SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s')
+ AND NOT `account_expired` AND NOT `account_removed`",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($msg["author"])
+ );
+ if($r) {
+ foreach($r as $rr) {
+ logger("delivering to: ".$rr["username"]);
+ self::dispatch($rr,$msg);
+ }
+ } else
+ logger("No subscribers for ".$msg["author"]." ".print_r($msg, true));
- $encrypted_outer_key_bundle = '';
- openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
+ return $item_id;
+ }
- $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
+ /**
+ * @brief Dispatches the different message types to the different functions
+ *
+ * @param array $importer Array of the importer user
+ * @param array $msg The post that will be dispatched
+ *
+ * @return bool Was the message accepted?
+ */
+ public static function dispatch($importer, $msg) {
- logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
+ // The sender is the handle of the contact that sent the message.
+ // This will often be different with relayed messages (for example "like" and "comment")
+ $sender = $msg["author"];
- $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
- 'ciphertext' => base64_encode($ciphertext)));
- $cipher_json = base64_encode($encrypted_header_json_object);
+ if (!diaspora::valid_posting($msg, $fields)) {
+ logger("Invalid posting");
+ return false;
+ }
- $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
+ $type = $fields->getName();
-$magic_env = <<< EOT
-<?xml version='1.0' encoding='UTF-8'?>
-<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
- $encrypted_header
- <me:env>
- <me:encoding>base64url</me:encoding>
- <me:alg>RSA-SHA256</me:alg>
- <me:data type="application/xml">$data</me:data>
- <me:sig>$sig</me:sig>
- </me:env>
-</diaspora>
-EOT;
+ logger("Received message type ".$type." from ".$sender." for user ".$importer["uid"], LOGGER_DEBUG);
- logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
- return $magic_env;
+ switch ($type) {
+ case "account_deletion":
+ return self::receive_account_deletion($importer, $fields);
-}
+ case "comment":
+ return self::receive_comment($importer, $sender, $fields);
-/**
- *
- * diaspora_decode($importer,$xml)
- * array $importer -> from user table
- * string $xml -> urldecoded Diaspora salmon
- *
- * Returns array
- * 'message' -> decoded Diaspora XML message
- * 'author' -> author diaspora handle
- * 'key' -> author public key (converted to pkcs#8)
- *
- * Author and key are used elsewhere to save a lookup for verifying replies and likes
- */
+ case "conversation":
+ return self::receive_conversation($importer, $msg, $fields);
+ case "like":
+ return self::receive_like($importer, $sender, $fields);
-function diaspora_decode($importer,$xml) {
+ case "message":
+ return self::receive_message($importer, $fields);
- $tempfile = tempnam(get_temppath(), "diaspora-decode");
- file_put_contents($tempfile, json_encode(array("importer" => $importer, "xml" => $xml)));
+ case "participation": // Not implemented
+ return self::receive_participation($importer, $fields);
- $public = false;
- $basedom = parse_xml_string($xml);
+ case "photo": // Not implemented
+ return self::receive_photo($importer, $fields);
- $children = $basedom->children('https://joindiaspora.com/protocol');
-
- if($children->header) {
- $public = true;
- $author_link = str_replace('acct:','',$children->header->author_id);
- }
- else {
+ case "poll_participation": // Not implemented
+ return self::receive_poll_participation($importer, $fields);
- $encrypted_header = json_decode(base64_decode($children->encrypted_header));
+ case "profile":
+ return self::receive_profile($importer, $fields);
- $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
- $ciphertext = base64_decode($encrypted_header->ciphertext);
+ case "request":
+ return self::receive_request($importer, $fields);
- $outer_key_bundle = '';
- openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
+ case "reshare":
+ return self::receive_reshare($importer, $fields);
- $j_outer_key_bundle = json_decode($outer_key_bundle);
+ case "retraction":
+ return self::receive_retraction($importer, $sender, $fields);
- $outer_iv = base64_decode($j_outer_key_bundle->iv);
- $outer_key = base64_decode($j_outer_key_bundle->key);
-
- $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
+ case "status_message":
+ return self::receive_status_message($importer, $fields);
+ default:
+ logger("Unknown message type ".$type);
+ return false;
+ }
- $decrypted = pkcs5_unpad($decrypted);
+ return true;
+ }
- /**
- * $decrypted now contains something like
- *
- * <decrypted_header>
- * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
- * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
+ /**
+ * @brief Checks if a posting is valid and fetches the data fields.
+ *
+ * This function does not only check the signature.
+ * It also does the conversion between the old and the new diaspora format.
+ *
+ * @param array $msg Array with the XML, the sender handle and the sender signature
+ * @param object $fields SimpleXML object that contains the posting when it is valid
+ *
+ * @return bool Is the posting valid?
+ */
+ private function valid_posting($msg, &$fields) {
-***** OBSOLETE
+ $data = parse_xml_string($msg["message"], false);
- * <author>
- * <name>Ryan Hughes</name>
- * <uri>acct:galaxor@diaspora.pirateship.org</uri>
- * </author>
+ if (!is_object($data))
+ return false;
-***** CURRENT
+ $first_child = $data->getName();
- * <author_id>galaxor@diaspora.priateship.org</author_id>
+ // Is this the new or the old version?
+ if ($data->getName() == "XML") {
+ $oldXML = true;
+ foreach ($data->post->children() as $child)
+ $element = $child;
+ } else {
+ $oldXML = false;
+ $element = $data;
+ }
-***** END DIFFS
+ $type = $element->getName();
+ $orig_type = $type;
- * </decrypted_header>
- */
+ // All retractions are handled identically from now on.
+ // In the new version there will only be "retraction".
+ if (in_array($type, array("signed_retraction", "relayable_retraction")))
+ $type = "retraction";
- logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
- $idom = parse_xml_string($decrypted,false);
+ $fields = new SimpleXMLElement("<".$type."/>");
- $inner_iv = base64_decode($idom->iv);
- $inner_aes_key = base64_decode($idom->aes_key);
+ $signed_data = "";
- $author_link = str_replace('acct:','',$idom->author_id);
+ foreach ($element->children() AS $fieldname => $entry) {
+ if ($oldXML) {
+ // Translation for the old XML structure
+ if ($fieldname == "diaspora_handle")
+ $fieldname = "author";
- }
+ if ($fieldname == "participant_handles")
+ $fieldname = "participants";
- $dom = $basedom->children(NAMESPACE_SALMON_ME);
+ if (in_array($type, array("like", "participation"))) {
+ if ($fieldname == "target_type")
+ $fieldname = "parent_type";
+ }
- // figure out where in the DOM tree our data is hiding
+ if ($fieldname == "sender_handle")
+ $fieldname = "author";
- if($dom->provenance->data)
- $base = $dom->provenance;
- elseif($dom->env->data)
- $base = $dom->env;
- elseif($dom->data)
- $base = $dom;
+ if ($fieldname == "recipient_handle")
+ $fieldname = "recipient";
- if(! $base) {
- logger('mod-diaspora: unable to locate salmon data in xml ');
- http_status_exit(400);
- }
+ if ($fieldname == "root_diaspora_id")
+ $fieldname = "root_author";
+ if ($type == "retraction") {
+ if ($fieldname == "post_guid")
+ $fieldname = "target_guid";
- // Stash the signature away for now. We have to find their key or it won't be good for anything.
- $signature = base64url_decode($base->sig);
+ if ($fieldname == "type")
+ $fieldname = "target_type";
+ }
+ }
- // unpack the data
+ if ($fieldname == "author_signature")
+ $author_signature = base64_decode($entry);
+ elseif ($fieldname == "parent_author_signature")
+ $parent_author_signature = base64_decode($entry);
+ elseif ($fieldname != "target_author_signature") {
+ if ($signed_data != "") {
+ $signed_data .= ";";
+ $signed_data_parent .= ";";
+ }
- // strip whitespace so our data element will return to one big base64 blob
- $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
+ $signed_data .= $entry;
+ }
+ if (!in_array($fieldname, array("parent_author_signature", "target_author_signature")) OR
+ ($orig_type == "relayable_retraction"))
+ xml::copy($entry, $fields, $fieldname);
+ }
+ // This is something that shouldn't happen at all.
+ if (in_array($type, array("status_message", "reshare", "profile")))
+ if ($msg["author"] != $fields->author) {
+ logger("Message handle is not the same as envelope sender. Quitting this message.");
+ return false;
+ }
- // stash away some other stuff for later
+ // Only some message types have signatures. So we quit here for the other types.
+ if (!in_array($type, array("comment", "message", "like")))
+ return true;
- $type = $base->data[0]->attributes()->type[0];
- $keyhash = $base->sig[0]->attributes()->keyhash[0];
- $encoding = $base->encoding;
- $alg = $base->alg;
+ // No author_signature? This is a must, so we quit.
+ if (!isset($author_signature))
+ return false;
+ if (isset($parent_author_signature)) {
+ $key = self::key($msg["author"]);
- $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
+ if (!rsa_verify($signed_data, $parent_author_signature, $key, "sha256"))
+ return false;
+ }
+ $key = self::key($fields->author);
- // decode the data
- $data = base64url_decode($data);
+ return rsa_verify($signed_data, $author_signature, $key, "sha256");
+ }
+ /**
+ * @brief Fetches the public key for a given handle
+ *
+ * @param string $handle The handle
+ *
+ * @return string The public key
+ */
+ private function key($handle) {
+ $handle = strval($handle);
- if($public) {
- $inner_decrypted = $data;
- }
- else {
+ logger("Fetching diaspora key for: ".$handle);
- // Decode the encrypted blob
+ $r = self::person_by_handle($handle);
+ if($r)
+ return $r["pubkey"];
- $inner_encrypted = base64_decode($data);
- $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
- $inner_decrypted = pkcs5_unpad($inner_decrypted);
+ return "";
}
- if(! $author_link) {
- logger('mod-diaspora: Could not retrieve author URI.');
- http_status_exit(400);
- }
+ /**
+ * @brief Fetches data for a given handle
+ *
+ * @param string $handle The handle
+ *
+ * @return array the queried data
+ */
+ private function person_by_handle($handle) {
- // Once we have the author URI, go to the web and try to find their public key
- // (first this will look it up locally if it is in the fcontact cache)
- // This will also convert diaspora public key from pkcs#1 to pkcs#8
+ $r = q("SELECT * FROM `fcontact` WHERE `network` = '%s' AND `addr` = '%s' LIMIT 1",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($handle)
+ );
+ if ($r) {
+ $person = $r[0];
+ logger("In cache ".print_r($r,true), LOGGER_DEBUG);
- logger('mod-diaspora: Fetching key for ' . $author_link );
- $key = get_diaspora_key($author_link);
+ // update record occasionally so it doesn't get stale
+ $d = strtotime($person["updated"]." +00:00");
+ if ($d < strtotime("now - 14 days"))
+ $update = true;
+ }
- if(! $key) {
- logger('mod-diaspora: Could not retrieve author key.');
- http_status_exit(400);
- }
+ if (!$person OR $update) {
+ logger("create or refresh", LOGGER_DEBUG);
+ $r = probe_url($handle, PROBE_DIASPORA);
- $verify = rsa_verify($signed_data,$signature,$key);
+ // Note that Friendica contacts will return a "Diaspora person"
+ // if Diaspora connectivity is enabled on their server
+ if ($r AND ($r["network"] === NETWORK_DIASPORA)) {
+ self::add_fcontact($r, $update);
+ $person = $r;
+ }
+ }
+ return $person;
+ }
+
+ /**
+ * @brief Updates the fcontact table
+ *
+ * @param array $arr The fcontact data
+ * @param bool $update Update or insert?
+ *
+ * @return string The id of the fcontact entry
+ */
+ private function add_fcontact($arr, $update = false) {
+ /// @todo Remove this function from include/network.php
+
+ if($update) {
+ $r = q("UPDATE `fcontact` SET
+ `name` = '%s',
+ `photo` = '%s',
+ `request` = '%s',
+ `nick` = '%s',
+ `addr` = '%s',
+ `batch` = '%s',
+ `notify` = '%s',
+ `poll` = '%s',
+ `confirm` = '%s',
+ `alias` = '%s',
+ `pubkey` = '%s',
+ `updated` = '%s'
+ WHERE `url` = '%s' AND `network` = '%s'",
+ dbesc($arr["name"]),
+ dbesc($arr["photo"]),
+ dbesc($arr["request"]),
+ dbesc($arr["nick"]),
+ dbesc($arr["addr"]),
+ dbesc($arr["batch"]),
+ dbesc($arr["notify"]),
+ dbesc($arr["poll"]),
+ dbesc($arr["confirm"]),
+ dbesc($arr["alias"]),
+ dbesc($arr["pubkey"]),
+ dbesc(datetime_convert()),
+ dbesc($arr["url"]),
+ dbesc($arr["network"])
+ );
+ } else {
+ $r = q("INSERT INTO `fcontact` (`url`,`name`,`photo`,`request`,`nick`,`addr`,
+ `batch`, `notify`,`poll`,`confirm`,`network`,`alias`,`pubkey`,`updated`)
+ VALUES ('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')",
+ dbesc($arr["url"]),
+ dbesc($arr["name"]),
+ dbesc($arr["photo"]),
+ dbesc($arr["request"]),
+ dbesc($arr["nick"]),
+ dbesc($arr["addr"]),
+ dbesc($arr["batch"]),
+ dbesc($arr["notify"]),
+ dbesc($arr["poll"]),
+ dbesc($arr["confirm"]),
+ dbesc($arr["network"]),
+ dbesc($arr["alias"]),
+ dbesc($arr["pubkey"]),
+ dbesc(datetime_convert())
+ );
+ }
- if(! $verify) {
- logger('mod-diaspora: Message did not verify. Discarding.');
- http_status_exit(400);
+ return $r;
}
- logger('mod-diaspora: Message verified.');
+ public static function handle_from_contact($contact_id) {
+ $handle = False;
- return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
-
-}
+ logger("contact id is ".$contact_id, LOGGER_DEBUG);
+ $r = q("SELECT `network`, `addr`, `self`, `url`, `nick` FROM `contact` WHERE `id` = %d",
+ intval($contact_id)
+ );
+ if($r) {
+ $contact = $r[0];
+
+ logger("contact 'self' = ".$contact['self']." 'url' = ".$contact['url'], LOGGER_DEBUG);
+
+ if($contact['addr'] != "")
+ $handle = $contact['addr'];
+ elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
+ $baseurl_start = strpos($contact['url'],'://') + 3;
+ $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
+ $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
+ $handle = $contact['nick'].'@'.$baseurl;
+ }
+ }
-function diaspora_request($importer,$xml) {
+ return $handle;
+ }
- $a = get_app();
+ private function contact_by_handle($uid, $handle) {
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `addr` = '%s' LIMIT 1",
+ intval($uid),
+ dbesc($handle)
+ );
- $sender_handle = unxmlify($xml->sender_handle);
- $recipient_handle = unxmlify($xml->recipient_handle);
+ if ($r)
+ return $r[0];
- if(! $sender_handle || ! $recipient_handle)
- return;
+ $handle_parts = explode("@", $handle);
+ $nurl_sql = "%%://".$handle_parts[1]."%%/profile/".$handle_parts[0];
+ $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `nurl` LIKE '%s' LIMIT 1",
+ dbesc(NETWORK_DFRN),
+ intval($uid),
+ dbesc($nurl_sql)
+ );
+ if($r)
+ return $r[0];
- $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
+ return false;
+ }
- if($contact) {
+ private function post_allow($importer, $contact, $is_comment = false) {
// perhaps we were already sharing with this person. Now they're sharing with us.
// That makes us friends.
-
- if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
+ // Normally this should have handled by getting a request - but this could get lost
+ if($contact["rel"] == CONTACT_IS_FOLLOWER && in_array($importer["page-flags"], array(PAGE_FREELOVE))) {
q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
intval(CONTACT_IS_FRIEND),
- intval($contact['id']),
- intval($importer['uid'])
+ intval($contact["id"]),
+ intval($importer["uid"])
);
+ $contact["rel"] = CONTACT_IS_FRIEND;
+ logger("defining user ".$contact["nick"]." as friend");
}
- // send notification
-
- $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
- intval($importer['uid'])
- );
- if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
- require_once('include/items.php');
-
- $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
- intval($importer['uid'])
- );
-
- // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
-
- if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
-
- $arr = array();
- $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
- $arr['uid'] = $importer['uid'];
- $arr['contact-id'] = $self[0]['id'];
- $arr['wall'] = 1;
- $arr['type'] = 'wall';
- $arr['gravity'] = 0;
- $arr['origin'] = 1;
- $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
- $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
- $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
- $arr['verb'] = ACTIVITY_FRIEND;
- $arr['object-type'] = ACTIVITY_OBJ_PERSON;
-
- $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
- $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
- $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
- $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
-
- $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
- . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
- $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
- $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
- $arr['object'] .= '</link></object>' . "\n";
- $arr['last-child'] = 1;
-
- $arr['allow_cid'] = $user[0]['allow_cid'];
- $arr['allow_gid'] = $user[0]['allow_gid'];
- $arr['deny_cid'] = $user[0]['deny_cid'];
- $arr['deny_gid'] = $user[0]['deny_gid'];
-
- $i = item_store($arr);
- if($i)
- proc_run('php',"include/notifier.php","activity","$i");
-
- }
+ if(($contact["blocked"]) || ($contact["readonly"]) || ($contact["archive"]))
+ return false;
+ if($contact["rel"] == CONTACT_IS_SHARING || $contact["rel"] == CONTACT_IS_FRIEND)
+ return true;
+ if($contact["rel"] == CONTACT_IS_FOLLOWER)
+ if(($importer["page-flags"] == PAGE_COMMUNITY) OR $is_comment)
+ return true;
- }
+ // Messages for the global users are always accepted
+ if ($importer["uid"] == 0)
+ return true;
- return;
+ return false;
}
- $ret = find_diaspora_person_by_handle($sender_handle);
-
+ private function allowed_contact_by_handle($importer, $handle, $is_comment = false) {
+ $contact = self::contact_by_handle($importer["uid"], $handle);
+ if (!$contact) {
+ logger("A Contact for handle ".$handle." and user ".$importer["uid"]." was not found");
+ return false;
+ }
- if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
- logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
- return;
+ if (!self::post_allow($importer, $contact, $is_comment)) {
+ logger("The handle: ".$handle." is not allowed to post to user ".$importer["uid"]);
+ return false;
+ }
+ return $contact;
}
- $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
-
-
-
- $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
- VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
- intval($importer['uid']),
- dbesc($ret['network']),
- dbesc($ret['addr']),
- datetime_convert(),
- dbesc($ret['url']),
- dbesc(normalise_link($ret['url'])),
- dbesc($batch),
- dbesc($ret['name']),
- dbesc($ret['nick']),
- dbesc($ret['photo']),
- dbesc($ret['pubkey']),
- dbesc($ret['notify']),
- dbesc($ret['poll']),
- 1,
- 2
- );
-
- // find the contact record we just created
+ private function message_exists($uid, $guid) {
+ $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($uid),
+ dbesc($guid)
+ );
- $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
+ if($r) {
+ logger("message ".$guid." already exists for user ".$uid);
+ return true;
+ }
- if(! $contact_record) {
- logger('diaspora_request: unable to locate newly created contact record.');
- return;
+ return false;
}
- $def_gid = get_default_group($importer['uid'], $ret["network"]);
- if (intval($def_gid)) {
- require_once('include/group.php');
- group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
+ private function fetch_guid($item) {
+ preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
+ function ($match) use ($item){
+ return(self::fetch_guid_sub($match, $item));
+ },$item["body"]);
}
- if($importer['page-flags'] == PAGE_NORMAL) {
-
- $hash = random_string() . (string) time(); // Generate a confirm_key
-
- $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
- VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
- intval($importer['uid']),
- intval($contact_record['id']),
- 0,
- 0,
- dbesc( t('Sharing notification from Diaspora network')),
- dbesc($hash),
- dbesc(datetime_convert())
- );
+ private function fetch_guid_sub($match, $item) {
+ if (!self::store_by_guid($match[1], $item["author-link"]))
+ self::store_by_guid($match[1], $item["owner-link"]);
}
- else {
- // automatic friend approval
+ private function store_by_guid($guid, $server, $uid = 0) {
+ $serverparts = parse_url($server);
+ $server = $serverparts["scheme"]."://".$serverparts["host"];
- require_once('include/Photo.php');
+ logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
- update_contact_avatar($contact_record['photo'],$importer['uid'],$contact_record['id']);
+ $msg = self::message($guid, $server);
- // technically they are sharing with us (CONTACT_IS_SHARING),
- // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
- // we are going to change the relationship and make them a follower.
+ if (!$msg)
+ return false;
- if($importer['page-flags'] == PAGE_FREELOVE)
- $new_relation = CONTACT_IS_FRIEND;
- else
- $new_relation = CONTACT_IS_FOLLOWER;
-
- $r = q("UPDATE `contact` SET `rel` = %d,
- `name-date` = '%s',
- `uri-date` = '%s',
- `blocked` = 0,
- `pending` = 0,
- `writable` = 1
- WHERE `id` = %d
- ",
- intval($new_relation),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($contact_record['id'])
- );
+ logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
- $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
- if($u)
- $ret = diaspora_share($u[0],$contact_record);
+ // Now call the dispatcher
+ return self::dispatch_public($msg);
}
- return;
-}
+ private function message($guid, $server, $level = 0) {
-function diaspora_post_allow($importer,$contact, $is_comment = false) {
-
- // perhaps we were already sharing with this person. Now they're sharing with us.
- // That makes us friends.
- // Normally this should have handled by getting a request - but this could get lost
- if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
- q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
- intval(CONTACT_IS_FRIEND),
- intval($contact['id']),
- intval($importer['uid'])
- );
- $contact['rel'] = CONTACT_IS_FRIEND;
- logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
- }
+ if ($level > 5)
+ return false;
- if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
- return false;
- if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
- return true;
- if($contact['rel'] == CONTACT_IS_FOLLOWER)
- if(($importer['page-flags'] == PAGE_COMMUNITY) OR $is_comment)
- return true;
+ // This will work for Diaspora and newer Friendica servers
+ $source_url = $server."/p/".$guid.".xml";
+ $x = fetch_url($source_url);
+ if(!$x)
+ return false;
- // Messages for the global users are always accepted
- if ($importer['uid'] == 0)
- return true;
+ $source_xml = parse_xml_string($x, false);
- return false;
-}
+ if (!is_object($source_xml))
+ return false;
-function diaspora_is_redmatrix($url) {
- return(strstr($url, "/channel/"));
-}
+ if ($source_xml->post->reshare) {
+ // Reshare of a reshare - old Diaspora version
+ return self::message($source_xml->post->reshare->root_guid, $server, ++$level);
+ } elseif ($source_xml->getName() == "reshare") {
+ // Reshare of a reshare - new Diaspora version
+ return self::message($source_xml->root_guid, $server, ++$level);
+ }
-function diaspora_plink($addr, $guid) {
- $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", dbesc($addr));
+ $author = "";
- // Fallback
- if (!$r)
- return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
+ // Fetch the author - for the old and the new Diaspora version
+ if ($source_xml->post->status_message->diaspora_handle)
+ $author = (string)$source_xml->post->status_message->diaspora_handle;
+ elseif ($source_xml->author AND ($source_xml->getName() == "status_message"))
+ $author = (string)$source_xml->author;
- // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
- // So we try another way as well.
- $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
- if ($s)
- $r[0]["network"] = $s[0]["network"];
+ // If this isn't a "status_message" then quit
+ if (!$author)
+ return false;
- if ($r[0]["network"] == NETWORK_DFRN)
- return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
+ $msg = array("message" => $x, "author" => $author);
- if (diaspora_is_redmatrix($r[0]["url"]))
- return $r[0]["url"]."/?f=&mid=".$guid;
+ $msg["key"] = self::key($msg["author"]);
- return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
-}
+ return $msg;
+ }
-function diaspora_repair_signature($signature, $handle = "", $level = 1) {
+ private function parent_item($uid, $guid, $author, $contact) {
+ $r = q("SELECT `id`, `body`, `wall`, `uri`, `private`, `origin`,
+ `author-name`, `author-link`, `author-avatar`,
+ `owner-name`, `owner-link`, `owner-avatar`
+ FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($uid), dbesc($guid));
- if ($signature == "")
- return($signature);
+ if(!$r) {
+ $result = self::store_by_guid($guid, $contact["url"], $uid);
- if (base64_encode(base64_decode(base64_decode($signature))) == base64_decode($signature)) {
- $signature = base64_decode($signature);
- logger("Repaired double encoded signature from Diaspora/Hubzilla handle ".$handle." - level ".$level, LOGGER_DEBUG);
+ if (!$result) {
+ $person = self::person_by_handle($author);
+ $result = self::store_by_guid($guid, $person["url"], $uid);
+ }
- // Do a recursive call to be able to fix even multiple levels
- if ($level < 10)
- $signature = diaspora_repair_signature($signature, $handle, ++$level);
- }
+ if ($result) {
+ logger("Fetched missing item ".$guid." - result: ".$result, LOGGER_DEBUG);
- return($signature);
-}
+ $r = q("SELECT `id`, `body`, `wall`, `uri`, `private`, `origin`,
+ `author-name`, `author-link`, `author-avatar`,
+ `owner-name`, `owner-link`, `owner-avatar`
+ FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($uid), dbesc($guid));
+ }
+ }
-function diaspora_post($importer,$xml,$msg) {
+ if (!$r) {
+ logger("parent item not found: parent: ".$guid." - user: ".$uid);
+ return false;
+ } else {
+ logger("parent item found: parent: ".$guid." - user: ".$uid);
+ return $r[0];
+ }
+ }
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ private function author_contact_by_url($contact, $person, $uid) {
- if($diaspora_handle != $msg['author']) {
- logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
- return 202;
- }
+ $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc(normalise_link($person["url"])), intval($uid));
+ if ($r) {
+ $cid = $r[0]["id"];
+ $network = $r[0]["network"];
+ } else {
+ $cid = $contact["id"];
+ $network = NETWORK_DIASPORA;
+ }
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact) {
- logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
- return 203;
+ return (array("cid" => $cid, "network" => $network));
}
- if(! diaspora_post_allow($importer,$contact, false)) {
- logger('diaspora_post: Ignoring this author.');
- return 202;
+ public static function is_redmatrix($url) {
+ return(strstr($url, "/channel/"));
}
- $message_id = $diaspora_handle . ':' . $guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_post: message exists: ' . $guid);
- return 208;
- }
+ private function plink($addr, $guid) {
+ $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", dbesc($addr));
- $created = unxmlify($xml->created_at);
- $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
+ // Fallback
+ if (!$r)
+ return "https://".substr($addr,strpos($addr,"@")+1)."/posts/".$guid;
- $body = diaspora2bb($xml->raw_message);
+ // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
+ // So we try another way as well.
+ $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
+ if ($s)
+ $r[0]["network"] = $s[0]["network"];
- $datarray = array();
+ if ($r[0]["network"] == NETWORK_DFRN)
+ return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
- $datarray["object"] = json_encode($xml);
+ if (self::is_redmatrix($r[0]["url"]))
+ return $r[0]["url"]."/?f=&mid=".$guid;
- if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
- $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
- else {
- $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
- // Add OEmbed and other information to the body
- if (!diaspora_is_redmatrix($contact['url']))
- $body = add_page_info_to_body($body, false, true);
+ return "https://".substr($addr,strpos($addr,"@")+1)."/posts/".$guid;
}
- $str_tags = '';
+ private function receive_account_deletion($importer, $data) {
+ $author = notags(unxmlify($data->author));
- $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
- if($cnt) {
- foreach($matches as $mtch) {
- if(strlen($str_tags))
- $str_tags .= ',';
- $str_tags .= '@[url=' . $mtch[1] . '[/url]';
+ $contact = self::contact_by_handle($importer["uid"], $author);
+ if (!$contact) {
+ logger("cannot find contact for author: ".$author);
+ return false;
}
- }
-
- $plink = diaspora_plink($diaspora_handle, $guid);
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['wall'] = 0;
- $datarray['network'] = NETWORK_DIASPORA;
- $datarray['verb'] = ACTIVITY_POST;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['plink'] = $plink;
- $datarray['owner-name'] = $contact['name'];
- $datarray['owner-link'] = $contact['url'];
- //$datarray['owner-avatar'] = $contact['thumb'];
- $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
- $datarray['author-name'] = $contact['name'];
- $datarray['author-link'] = $contact['url'];
- $datarray['author-avatar'] = $contact['thumb'];
- $datarray['body'] = $body;
- $datarray['tag'] = $str_tags;
- if ($xml->provider_display_name)
- $datarray["app"] = unxmlify($xml->provider_display_name);
- else
- $datarray['app'] = 'Diaspora';
-
- // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
-
- $datarray['visible'] = ((strlen($body)) ? 1 : 0);
-
- DiasporaFetchGuid($datarray);
- $message_id = item_store($datarray);
-
- logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
-
- return 201;
-
-}
-
-function DiasporaFetchGuid($item) {
- preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
- function ($match) use ($item){
- return(DiasporaFetchGuidSub($match, $item));
- },$item["body"]);
-}
-
-function DiasporaFetchGuidSub($match, $item) {
- $a = get_app();
- if (!diaspora_store_by_guid($match[1], $item["author-link"]))
- diaspora_store_by_guid($match[1], $item["owner-link"]);
-}
+ // We now remove the contact
+ contact_remove($contact["id"]);
+ return true;
+ }
-function diaspora_store_by_guid($guid, $server, $uid = 0) {
- require_once("include/Contact.php");
+ private function receive_comment($importer, $sender, $data) {
+ $guid = notags(unxmlify($data->guid));
+ $parent_guid = notags(unxmlify($data->parent_guid));
+ $text = unxmlify($data->text);
+ $author = notags(unxmlify($data->author));
- $serverparts = parse_url($server);
- $server = $serverparts["scheme"]."://".$serverparts["host"];
+ $contact = self::allowed_contact_by_handle($importer, $sender, true);
+ if (!$contact)
+ return false;
- logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
+ if (self::message_exists($importer["uid"], $guid))
+ return false;
- $item = diaspora_fetch_message($guid, $server);
+ $parent_item = self::parent_item($importer["uid"], $parent_guid, $author, $contact);
+ if (!$parent_item)
+ return false;
- if (!$item)
- return false;
+ $person = self::person_by_handle($author);
+ if (!is_array($person)) {
+ logger("unable to find author details");
+ return false;
+ }
- logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
+ // Fetch the contact id - if we know this contact
+ $author_contact = self::author_contact_by_url($contact, $person, $importer["uid"]);
- $body = $item["body"];
- $str_tags = $item["tag"];
- $app = $item["app"];
- $created = $item["created"];
- $author = $item["author"];
- $guid = $item["guid"];
- $private = $item["private"];
- $object = $item["object"];
- $objecttype = $item["object-type"];
+ $datarray = array();
- $message_id = $author.':'.$guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($uid),
- dbesc($guid)
- );
- if(count($r))
- return $r[0]["id"];
+ $datarray["uid"] = $importer["uid"];
+ $datarray["contact-id"] = $author_contact["cid"];
+ $datarray["network"] = $author_contact["network"];
- $person = find_diaspora_person_by_handle($author);
+ $datarray["author-name"] = $person["name"];
+ $datarray["author-link"] = $person["url"];
+ $datarray["author-avatar"] = ((x($person,"thumb")) ? $person["thumb"] : $person["photo"]);
- $contact_id = get_contact($person['url'], $uid);
+ $datarray["owner-name"] = $contact["name"];
+ $datarray["owner-link"] = $contact["url"];
+ $datarray["owner-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
- $contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
- $importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
+ $datarray["guid"] = $guid;
+ $datarray["uri"] = $author.":".$guid;
- if ($contacts AND $importers)
- if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
- logger('Ignoring author '.$person['url'].' for uid '.$uid);
- return false;
- } else
- logger('Author '.$person['url'].' is allowed for uid '.$uid);
-
- $datarray = array();
- $datarray['uid'] = $uid;
- $datarray['contact-id'] = $contact_id;
- $datarray['wall'] = 0;
- $datarray['network'] = NETWORK_DIASPORA;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['plink'] = diaspora_plink($author, $guid);
- $datarray['author-name'] = $person['name'];
- $datarray['author-link'] = $person['url'];
- $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
- $datarray['owner-name'] = $datarray['author-name'];
- $datarray['owner-link'] = $datarray['author-link'];
- $datarray['owner-avatar'] = $datarray['author-avatar'];
- $datarray['body'] = $body;
- $datarray['tag'] = $str_tags;
- $datarray['app'] = $app;
- $datarray['visible'] = ((strlen($body)) ? 1 : 0);
- $datarray['object'] = $object;
- $datarray['object-type'] = $objecttype;
-
- if ($datarray['contact-id'] == 0)
- return false;
+ $datarray["type"] = "remote-comment";
+ $datarray["verb"] = ACTIVITY_POST;
+ $datarray["gravity"] = GRAVITY_COMMENT;
+ $datarray["parent-uri"] = $parent_item["uri"];
- DiasporaFetchGuid($datarray);
- $message_id = item_store($datarray);
+ $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
+ $datarray["object"] = json_encode($data);
- /// @TODO
- /// Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
+ $datarray["body"] = diaspora2bb($text);
- return $message_id;
-}
+ self::fetch_guid($datarray);
-function diaspora_fetch_message($guid, $server, $level = 0) {
+ $message_id = item_store($datarray);
- if ($level > 5)
- return false;
+ if ($message_id)
+ logger("Stored comment ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
- $a = get_app();
+ // If we are the origin of the parent we store the original data and notify our followers
+ if($message_id AND $parent_item["origin"]) {
- // This will not work if the server is not a Diaspora server
- $source_url = $server.'/p/'.$guid.'.xml';
- $x = fetch_url($source_url);
- if(!$x)
- return false;
+ // Formerly we stored the signed text, the signature and the author in different fields.
+ // We now store the raw data so that we are more flexible.
+ q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
+ intval($message_id),
+ dbesc(json_encode($data))
+ );
- $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
- $source_xml = parse_xml_string($x,false);
+ // notify others
+ proc_run("php", "include/notifier.php", "comment-import", $message_id);
+ }
- $item = array();
- $item["app"] = 'Diaspora';
- $item["guid"] = $guid;
- $body = "";
+ return $message_id;
+ }
- if ($source_xml->post->status_message->created_at)
- $item["created"] = unxmlify($source_xml->post->status_message->created_at);
+ private function receive_conversation_message($importer, $contact, $data, $msg, $mesg, $conversation) {
+ $guid = notags(unxmlify($data->guid));
+ $subject = notags(unxmlify($data->subject));
+ $author = notags(unxmlify($data->author));
- if ($source_xml->post->status_message->provider_display_name)
- $item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
+ $reply = 0;
- if ($source_xml->post->status_message->diaspora_handle)
- $item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
+ $msg_guid = notags(unxmlify($mesg->guid));
+ $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
+ $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
+ $msg_author_signature = notags(unxmlify($mesg->author_signature));
+ $msg_text = unxmlify($mesg->text);
+ $msg_created_at = datetime_convert("UTC", "UTC", notags(unxmlify($mesg->created_at)));
+
+ // "diaspora_handle" is the element name from the old version
+ // "author" is the element name from the new version
+ if ($mesg->author)
+ $msg_author = notags(unxmlify($mesg->author));
+ elseif ($mesg->diaspora_handle)
+ $msg_author = notags(unxmlify($mesg->diaspora_handle));
+ else
+ return false;
- if ($source_xml->post->status_message->guid)
- $item["guid"] = unxmlify($source_xml->post->status_message->guid);
+ $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
- $item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
- $item["object"] = json_encode($source_xml->post);
+ if($msg_conversation_guid != $guid) {
+ logger("message conversation guid does not belong to the current conversation.");
+ return false;
+ }
- if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
- $item["object-type"] = ACTIVITY_OBJ_PHOTO;
- $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
- $body = scale_external_images($body,false);
- } elseif($source_xml->post->asphoto->image_url) {
- $item["object-type"] = ACTIVITY_OBJ_PHOTO;
- $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
- $body = scale_external_images($body);
- } elseif($source_xml->post->status_message) {
- $body = diaspora2bb($source_xml->post->status_message->raw_message);
+ $body = diaspora2bb($msg_text);
+ $message_uri = $msg_author.":".$msg_guid;
- // Checking for embedded pictures
- if($source_xml->post->status_message->photo->remote_photo_path AND
- $source_xml->post->status_message->photo->remote_photo_name) {
+ $author_signed_data = $msg_guid.";".$msg_parent_guid.";".$msg_text.";".unxmlify($mesg->created_at).";".$msg_author.";".$msg_conversation_guid;
- $item["object-type"] = ACTIVITY_OBJ_PHOTO;
+ $author_signature = base64_decode($msg_author_signature);
- $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
- $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
+ if(strcasecmp($msg_author,$msg["author"]) == 0) {
+ $person = $contact;
+ $key = $msg["key"];
+ } else {
+ $person = self::person_by_handle($msg_author);
- $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
+ if (is_array($person) && x($person, "pubkey"))
+ $key = $person["pubkey"];
+ else {
+ logger("unable to find author details");
+ return false;
+ }
+ }
- logger('embedded picture link found: '.$body, LOGGER_DEBUG);
- } else
- $item["object-type"] = ACTIVITY_OBJ_NOTE;
-
- $body = scale_external_images($body);
-
- // Add OEmbed and other information to the body
- /// @TODO It could be a repeated redmatrix item
- /// Then we shouldn't add further data to it
- if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
- $body = add_page_info_to_body($body, false, true);
-
- } elseif($source_xml->post->reshare) {
- // Reshare of a reshare
- return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
- } else {
- // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
- logger('no content found: '.print_r($source_xml,true));
- return false;
- }
+ if (!rsa_verify($author_signed_data, $author_signature, $key, "sha256")) {
+ logger("verification failed.");
+ return false;
+ }
- if (trim($body) == "")
- return false;
+ if($msg_parent_author_signature) {
+ $owner_signed_data = $msg_guid.";".$msg_parent_guid.";".$msg_text.";".unxmlify($mesg->created_at).";".$msg_author.";".$msg_conversation_guid;
- $item["tag"] = '';
- $item["body"] = $body;
+ $parent_author_signature = base64_decode($msg_parent_author_signature);
- return $item;
-}
+ $key = $msg["key"];
-function diaspora_reshare($importer,$xml,$msg) {
+ if (!rsa_verify($owner_signed_data, $parent_author_signature, $key, "sha256")) {
+ logger("owner verification failed.");
+ return false;
+ }
+ }
- logger('diaspora_reshare: init: ' . print_r($xml,true));
+ $r = q("SELECT `id` FROM `mail` WHERE `uri` = '%s' LIMIT 1",
+ dbesc($message_uri)
+ );
+ if($r) {
+ logger("duplicate message already delivered.", LOGGER_DEBUG);
+ return false;
+ }
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ q("INSERT INTO `mail` (`uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`)
+ VALUES (%d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
+ intval($importer["uid"]),
+ dbesc($msg_guid),
+ intval($conversation["id"]),
+ dbesc($person["name"]),
+ dbesc($person["photo"]),
+ dbesc($person["url"]),
+ intval($contact["id"]),
+ dbesc($subject),
+ dbesc($body),
+ 0,
+ 0,
+ dbesc($message_uri),
+ dbesc($author.":".$guid),
+ dbesc($msg_created_at)
+ );
+ q("UPDATE `conv` SET `updated` = '%s' WHERE `id` = %d",
+ dbesc(datetime_convert()),
+ intval($conversation["id"])
+ );
- if($diaspora_handle != $msg['author']) {
- logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
- return 202;
+ notification(array(
+ "type" => NOTIFY_MAIL,
+ "notify_flags" => $importer["notify-flags"],
+ "language" => $importer["language"],
+ "to_name" => $importer["username"],
+ "to_email" => $importer["email"],
+ "uid" =>$importer["uid"],
+ "item" => array("subject" => $subject, "body" => $body),
+ "source_name" => $person["name"],
+ "source_link" => $person["url"],
+ "source_photo" => $person["thumb"],
+ "verb" => ACTIVITY_POST,
+ "otype" => "mail"
+ ));
}
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- if(! diaspora_post_allow($importer,$contact, false)) {
- logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
- return 202;
- }
+ private function receive_conversation($importer, $msg, $data) {
+ $guid = notags(unxmlify($data->guid));
+ $subject = notags(unxmlify($data->subject));
+ $created_at = datetime_convert("UTC", "UTC", notags(unxmlify($data->created_at)));
+ $author = notags(unxmlify($data->author));
+ $participants = notags(unxmlify($data->participants));
- $message_id = $diaspora_handle . ':' . $guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_reshare: message exists: ' . $guid);
- return;
- }
+ $messages = $data->message;
- $orig_author = notags(unxmlify($xml->root_diaspora_id));
- $orig_guid = notags(unxmlify($xml->root_guid));
- $orig_url = $a->get_baseurl()."/display/".$orig_guid;
-
- $create_original_post = false;
-
- // Do we already have this item?
- $r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
- dbesc($orig_guid),
- dbesc(NETWORK_DIASPORA)
- );
- if(count($r)) {
- logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
-
- // Maybe it is already a reshared item?
- // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
- require_once('include/api.php');
- if (api_share_as_retweet($r[0]))
- $r = array();
- else {
- $body = $r[0]["body"];
- $str_tags = $r[0]["tag"];
- $app = $r[0]["app"];
- $orig_created = $r[0]["created"];
- $orig_plink = $r[0]["plink"];
- $orig_uri = $r[0]["uri"];
- $object = $r[0]["object"];
- $objecttype = $r[0]["object-type"];
+ if (!count($messages)) {
+ logger("empty conversation");
+ return false;
}
- }
- if (!count($r)) {
- $body = "";
- $str_tags = "";
- $app = "";
+ $contact = self::allowed_contact_by_handle($importer, $msg["author"], true);
+ if (!$contact)
+ return false;
- $server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
- logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
- $item = diaspora_fetch_message($orig_guid, $server);
+ $conversation = null;
- if (!$item) {
- $server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
- logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
- $item = diaspora_fetch_message($orig_guid, $server);
- }
- if (!$item) {
- $server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
- logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
- $item = diaspora_fetch_message($orig_guid, $server);
+ $c = q("SELECT * FROM `conv` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer["uid"]),
+ dbesc($guid)
+ );
+ if($c)
+ $conversation = $c[0];
+ else {
+ $r = q("INSERT INTO `conv` (`uid`, `guid`, `creator`, `created`, `updated`, `subject`, `recips`)
+ VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s')",
+ intval($importer["uid"]),
+ dbesc($guid),
+ dbesc($author),
+ dbesc(datetime_convert("UTC", "UTC", $created_at)),
+ dbesc(datetime_convert()),
+ dbesc($subject),
+ dbesc($participants)
+ );
+ if($r)
+ $c = q("SELECT * FROM `conv` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer["uid"]),
+ dbesc($guid)
+ );
+
+ if($c)
+ $conversation = $c[0];
}
- if (!$item) {
- $server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
- logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
- $item = diaspora_fetch_message($orig_guid, $server);
+ if (!$conversation) {
+ logger("unable to create conversation.");
+ return;
}
- if ($item) {
- $body = $item["body"];
- $str_tags = $item["tag"];
- $app = $item["app"];
- $orig_created = $item["created"];
- $orig_author = $item["author"];
- $orig_guid = $item["guid"];
- $orig_plink = diaspora_plink($orig_author, $orig_guid);
- $orig_uri = $orig_author.':'.$orig_guid;
- $create_original_post = ($body != "");
- $object = $item["object"];
- $objecttype = $item["object-type"];
- }
- }
+ foreach($messages as $mesg)
+ self::receive_conversation_message($importer, $contact, $data, $msg, $mesg, $conversation);
- $plink = diaspora_plink($diaspora_handle, $guid);
-
- $person = find_diaspora_person_by_handle($orig_author);
-
- $created = unxmlify($xml->created_at);
- $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
-
- $datarray = array();
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['wall'] = 0;
- $datarray['network'] = NETWORK_DIASPORA;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['plink'] = $plink;
- $datarray['owner-name'] = $contact['name'];
- $datarray['owner-link'] = $contact['url'];
- $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
- if (!intval(get_config('system','wall-to-wall_share'))) {
- $prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
-
- $datarray['author-name'] = $contact['name'];
- $datarray['author-link'] = $contact['url'];
- $datarray['author-avatar'] = $contact['thumb'];
- $datarray['body'] = $prefix.$body."[/share]";
- } else {
- // Let reshared messages look like wall-to-wall posts
- $datarray['author-name'] = $person['name'];
- $datarray['author-link'] = $person['url'];
- $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
- $datarray['body'] = $body;
+ return true;
}
- $datarray["object"] = json_encode($xml);
- $datarray['object-type'] = $objecttype;
-
- $datarray['tag'] = $str_tags;
- $datarray['app'] = $app;
-
- // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
- $datarray['visible'] = ((strlen($body)) ? 1 : 0);
-
- // Store the original item of a reshare
- if ($create_original_post) {
- require_once("include/Contact.php");
-
- $datarray2 = $datarray;
-
- $datarray2['uid'] = 0;
- $datarray2['contact-id'] = get_contact($person['url'], 0);
- $datarray2['guid'] = $orig_guid;
- $datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
- $datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
- $datarray2['parent'] = 0;
- $datarray2['plink'] = $orig_plink;
-
- $datarray2['author-name'] = $person['name'];
- $datarray2['author-link'] = $person['url'];
- $datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
- $datarray2['owner-name'] = $datarray2['author-name'];
- $datarray2['owner-link'] = $datarray2['author-link'];
- $datarray2['owner-avatar'] = $datarray2['author-avatar'];
- $datarray2['body'] = $body;
- $datarray2["object"] = $object;
+ private function construct_like_body($contact, $parent_item, $guid) {
+ $bodyverb = t('%1$s likes %2$s\'s %3$s');
- DiasporaFetchGuid($datarray2);
- $message_id = item_store($datarray2);
+ $ulink = "[url=".$contact["url"]."]".$contact["name"]."[/url]";
+ $alink = "[url=".$parent_item["author-link"]."]".$parent_item["author-name"]."[/url]";
+ $plink = "[url=".App::get_baseurl()."/display/".urlencode($guid)."]".t("status")."[/url]";
- logger("Store original item ".$orig_guid." under message id ".$message_id);
+ return sprintf($bodyverb, $ulink, $alink, $plink);
}
- DiasporaFetchGuid($datarray);
- $message_id = item_store($datarray);
+ private function construct_like_object($importer, $parent_item) {
+ $objtype = ACTIVITY_OBJ_NOTE;
+ $link = '<link rel="alternate" type="text/html" href="'.App::get_baseurl()."/display/".$importer["nickname"]."/".$parent_item["id"].'" />';
+ $parent_body = $parent_item["body"];
- return;
-
-}
+ $xmldata = array("object" => array("type" => $objtype,
+ "local" => "1",
+ "id" => $parent_item["uri"],
+ "link" => $link,
+ "title" => "",
+ "content" => $parent_body));
+ return xml::from_array($xmldata, $xml, true);
+ }
-function diaspora_asphoto($importer,$xml,$msg) {
- logger('diaspora_asphoto called');
+ private function receive_like($importer, $sender, $data) {
+ $positive = notags(unxmlify($data->positive));
+ $guid = notags(unxmlify($data->guid));
+ $parent_type = notags(unxmlify($data->parent_type));
+ $parent_guid = notags(unxmlify($data->parent_guid));
+ $author = notags(unxmlify($data->author));
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ // likes on comments aren't supported by Diaspora - only on posts
+ // But maybe this will be supported in the future, so we will accept it.
+ if (!in_array($parent_type, array("Post", "Comment")))
+ return false;
- if($diaspora_handle != $msg['author']) {
- logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
- return 202;
- }
+ $contact = self::allowed_contact_by_handle($importer, $sender, true);
+ if (!$contact)
+ return false;
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
+ if (self::message_exists($importer["uid"], $guid))
+ return false;
- if(! diaspora_post_allow($importer,$contact, false)) {
- logger('diaspora_asphoto: Ignoring this author.');
- return 202;
- }
+ $parent_item = self::parent_item($importer["uid"], $parent_guid, $author, $contact);
+ if (!$parent_item)
+ return false;
- $message_id = $diaspora_handle . ':' . $guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_asphoto: message exists: ' . $guid);
- return;
- }
+ $person = self::person_by_handle($author);
+ if (!is_array($person)) {
+ logger("unable to find author details");
+ return false;
+ }
- $created = unxmlify($xml->created_at);
- $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
+ // Fetch the contact id - if we know this contact
+ $author_contact = self::author_contact_by_url($contact, $person, $importer["uid"]);
- if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
- $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
- $body = scale_external_images($body,false);
- }
- elseif($xml->image_url) {
- $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
- $body = scale_external_images($body);
- }
- else {
- logger('diaspora_asphoto: no photo url found.');
- return;
- }
+ // "positive" = "false" would be a Dislike - wich isn't currently supported by Diaspora
+ // We would accept this anyhow.
+ if ($positive === "true")
+ $verb = ACTIVITY_LIKE;
+ else
+ $verb = ACTIVITY_DISLIKE;
- $plink = diaspora_plink($diaspora_handle, $guid);
-
- $datarray = array();
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['wall'] = 0;
- $datarray['network'] = NETWORK_DIASPORA;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['plink'] = $plink;
- $datarray['owner-name'] = $contact['name'];
- $datarray['owner-link'] = $contact['url'];
- //$datarray['owner-avatar'] = $contact['thumb'];
- $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
- $datarray['author-name'] = $contact['name'];
- $datarray['author-link'] = $contact['url'];
- $datarray['author-avatar'] = $contact['thumb'];
- $datarray['body'] = $body;
- $datarray["object"] = json_encode($xml);
- $datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
-
- $datarray['app'] = 'Diaspora/Cubbi.es';
-
- DiasporaFetchGuid($datarray);
- $message_id = item_store($datarray);
-
- //if($message_id) {
- // q("update item set plink = '%s' where id = %d",
- // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- // intval($message_id)
- // );
- //}
-
- return;
+ $datarray = array();
-}
+ $datarray["uid"] = $importer["uid"];
+ $datarray["contact-id"] = $author_contact["cid"];
+ $datarray["network"] = $author_contact["network"];
-function diaspora_comment($importer,$xml,$msg) {
+ $datarray["author-name"] = $person["name"];
+ $datarray["author-link"] = $person["url"];
+ $datarray["author-avatar"] = ((x($person,"thumb")) ? $person["thumb"] : $person["photo"]);
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $parent_guid = notags(unxmlify($xml->parent_guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $target_type = notags(unxmlify($xml->target_type));
- $text = unxmlify($xml->text);
- $author_signature = notags(unxmlify($xml->author_signature));
+ $datarray["owner-name"] = $contact["name"];
+ $datarray["owner-link"] = $contact["url"];
+ $datarray["owner-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
- $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
+ $datarray["guid"] = $guid;
+ $datarray["uri"] = $author.":".$guid;
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_comment: cannot find contact: ' . $msg['author']);
- return;
- }
-
- if(! diaspora_post_allow($importer,$contact, true)) {
- logger('diaspora_comment: Ignoring this author.');
- return 202;
- }
+ $datarray["type"] = "activity";
+ $datarray["verb"] = $verb;
+ $datarray["gravity"] = GRAVITY_LIKE;
+ $datarray["parent-uri"] = $parent_item["uri"];
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
- return;
- }
+ $datarray["object-type"] = ACTIVITY_OBJ_NOTE;
+ $datarray["object"] = self::construct_like_object($importer, $parent_item);
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($parent_guid)
- );
+ $datarray["body"] = self::construct_like_body($contact, $parent_item, $guid);
- if(!count($r)) {
- $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
+ $message_id = item_store($datarray);
- if (!$result) {
- $person = find_diaspora_person_by_handle($diaspora_handle);
- $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
- }
+ if ($message_id)
+ logger("Stored like ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
- if ($result) {
- logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
+ // If we are the origin of the parent we store the original data and notify our followers
+ if($message_id AND $parent_item["origin"]) {
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($parent_guid)
+ // Formerly we stored the signed text, the signature and the author in different fields.
+ // We now store the raw data so that we are more flexible.
+ q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
+ intval($message_id),
+ dbesc(json_encode($data))
);
+
+ // notify others
+ proc_run("php", "include/notifier.php", "comment-import", $message_id);
}
- }
- if(! count($r)) {
- logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
- return;
+ return $message_id;
}
- $parent_item = $r[0];
+ private function receive_message($importer, $data) {
+ $guid = notags(unxmlify($data->guid));
+ $parent_guid = notags(unxmlify($data->parent_guid));
+ $text = unxmlify($data->text);
+ $created_at = datetime_convert("UTC", "UTC", notags(unxmlify($data->created_at)));
+ $author = notags(unxmlify($data->author));
+ $conversation_guid = notags(unxmlify($data->conversation_guid));
- /* How Diaspora performs comment signature checking:
+ $contact = self::allowed_contact_by_handle($importer, $author, true);
+ if (!$contact)
+ return false;
- - If an item has been sent by the comment author to the top-level post owner to relay on
- to the rest of the contacts on the top-level post, the top-level post owner should check
- the author_signature, then create a parent_author_signature before relaying the comment on
- - If an item has been relayed on by the top-level post owner, the contacts who receive it
- check only the parent_author_signature. Basically, they trust that the top-level post
- owner has already verified the authenticity of anything he/she sends out
- - In either case, the signature that get checked is the signature created by the person
- who sent the salmon
- */
+ $conversation = null;
- $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
- $key = $msg['key'];
+ $c = q("SELECT * FROM `conv` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer["uid"]),
+ dbesc($conversation_guid)
+ );
+ if($c)
+ $conversation = $c[0];
+ else {
+ logger("conversation not available.");
+ return false;
+ }
- if($parent_author_signature) {
- // If a parent_author_signature exists, then we've received the comment
- // relayed from the top-level post owner. There's no need to check the
- // author_signature if the parent_author_signature is valid
+ $reply = 0;
- $parent_author_signature = base64_decode($parent_author_signature);
+ $body = diaspora2bb($text);
+ $message_uri = $author.":".$guid;
- if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_comment: top-level owner verification failed.');
- return;
+ $person = self::person_by_handle($author);
+ if (!$person) {
+ logger("unable to find author details");
+ return false;
}
- }
- else {
- // If there's no parent_author_signature, then we've received the comment
- // from the comment creator. In that case, the person is commenting on
- // our post, so he/she must be a contact of ours and his/her public key
- // should be in $msg['key']
-
- $author_signature = base64_decode($author_signature);
- if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_comment: comment author verification failed.');
- return;
+ $r = q("SELECT `id` FROM `mail` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($message_uri),
+ intval($importer["uid"])
+ );
+ if($r) {
+ logger("duplicate message already delivered.", LOGGER_DEBUG);
+ return false;
}
- }
- // Phew! Everything checks out. Now create an item.
+ q("INSERT INTO `mail` (`uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`)
+ VALUES ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
+ intval($importer["uid"]),
+ dbesc($guid),
+ intval($conversation["id"]),
+ dbesc($person["name"]),
+ dbesc($person["photo"]),
+ dbesc($person["url"]),
+ intval($contact["id"]),
+ dbesc($conversation["subject"]),
+ dbesc($body),
+ 0,
+ 1,
+ dbesc($message_uri),
+ dbesc($author.":".$parent_guid),
+ dbesc($created_at)
+ );
- // Find the original comment author information.
- // We need this to make sure we display the comment author
- // information (name and avatar) correctly.
- if(strcasecmp($diaspora_handle,$msg['author']) == 0)
- $person = $contact;
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
+ q("UPDATE `conv` SET `updated` = '%s' WHERE `id` = %d",
+ dbesc(datetime_convert()),
+ intval($conversation["id"])
+ );
- if(! is_array($person)) {
- logger('diaspora_comment: unable to find author details');
- return;
- }
+ return true;
}
- // Fetch the contact id - if we know this contact
- $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
- dbesc(normalise_link($person['url'])), intval($importer['uid']));
- if ($r) {
- $cid = $r[0]['id'];
- $network = $r[0]['network'];
- } else {
- $cid = $contact['id'];
- $network = NETWORK_DIASPORA;
+ private function receive_participation($importer, $data) {
+ // I'm not sure if we can fully support this message type
+ return true;
}
- $body = diaspora2bb($text);
- $message_id = $diaspora_handle . ':' . $guid;
-
- $datarray = array();
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $cid;
- $datarray['type'] = 'remote-comment';
- $datarray['wall'] = $parent_item['wall'];
- $datarray['network'] = $network;
- $datarray['verb'] = ACTIVITY_POST;
- $datarray['gravity'] = GRAVITY_COMMENT;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $message_id;
- $datarray['parent-uri'] = $parent_item['uri'];
-
- // No timestamps for comments? OK, we'll the use current time.
- $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
- $datarray['private'] = $parent_item['private'];
-
- $datarray['owner-name'] = $parent_item['owner-name'];
- $datarray['owner-link'] = $parent_item['owner-link'];
- $datarray['owner-avatar'] = $parent_item['owner-avatar'];
-
- $datarray['author-name'] = $person['name'];
- $datarray['author-link'] = $person['url'];
- $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
- $datarray['body'] = $body;
- $datarray["object"] = json_encode($xml);
- $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
-
- // We can't be certain what the original app is if the message is relayed.
- if(($parent_item['origin']) && (! $parent_author_signature))
- $datarray['app'] = 'Diaspora';
-
- DiasporaFetchGuid($datarray);
- $message_id = item_store($datarray);
-
- $datarray['id'] = $message_id;
-
- //if($message_id) {
- //q("update item set plink = '%s' where id = %d",
- // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
- // intval($message_id)
- //);
- //}
-
- // If we are the origin of the parent we store the original signature and notify our followers
- if($parent_item['origin']) {
- $author_signature_base64 = base64_encode($author_signature);
- $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
-
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($message_id),
- dbesc($signed_data),
- dbesc($author_signature_base64),
- dbesc($diaspora_handle)
- );
+ private function receive_photo($importer, $data) {
+ // There doesn't seem to be a reason for this function, since the photo data is transmitted in the status message as well
+ return true;
+ }
- // notify others
- proc_run('php','include/notifier.php','comment-import',$message_id);
+ private function receive_poll_participation($importer, $data) {
+ // We don't support polls by now
+ return true;
}
- return;
-}
+ private function receive_profile($importer, $data) {
+ $author = notags(unxmlify($data->author));
+ $contact = self::contact_by_handle($importer["uid"], $author);
+ if (!$contact)
+ return;
+ $name = unxmlify($data->first_name).((strlen($data->last_name)) ? " ".unxmlify($data->last_name) : "");
+ $image_url = unxmlify($data->image_url);
+ $birthday = unxmlify($data->birthday);
+ $location = diaspora2bb(unxmlify($data->location));
+ $about = diaspora2bb(unxmlify($data->bio));
+ $gender = unxmlify($data->gender);
+ $searchable = (unxmlify($data->searchable) == "true");
+ $nsfw = (unxmlify($data->nsfw) == "true");
+ $tags = unxmlify($data->tag_string);
+
+ $tags = explode("#", $tags);
+
+ $keywords = array();
+ foreach ($tags as $tag) {
+ $tag = trim(strtolower($tag));
+ if ($tag != "")
+ $keywords[] = $tag;
+ }
+ $keywords = implode(", ", $keywords);
-function diaspora_conversation($importer,$xml,$msg) {
+ $handle_parts = explode("@", $author);
+ $nick = $handle_parts[0];
- $a = get_app();
+ if($name === "")
+ $name = $handle_parts[0];
- $guid = notags(unxmlify($xml->guid));
- $subject = notags(unxmlify($xml->subject));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $participant_handles = notags(unxmlify($xml->participant_handles));
- $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
+ if( preg_match("|^https?://|", $image_url) === 0)
+ $image_url = "http://".$handle_parts[1].$image_url;
- $parent_uri = $diaspora_handle . ':' . $guid;
+ update_contact_avatar($image_url, $importer["uid"], $contact["id"]);
- $messages = $xml->message;
+ // Generic birthday. We don't know the timezone. The year is irrelevant.
- if(! count($messages)) {
- logger('diaspora_conversation: empty conversation');
- return;
- }
+ $birthday = str_replace("1000", "1901", $birthday);
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
- return;
- }
+ if ($birthday != "")
+ $birthday = datetime_convert("UTC", "UTC", $birthday, "Y-m-d");
- if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
- logger('diaspora_conversation: Ignoring this author.');
- return 202;
- }
+ // this is to prevent multiple birthday notifications in a single year
+ // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
- $conversation = null;
-
- $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($c))
- $conversation = $c[0];
- else {
- $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
- intval($importer['uid']),
- dbesc($guid),
- dbesc($diaspora_handle),
- dbesc(datetime_convert('UTC','UTC',$created_at)),
+ if(substr($birthday,5) === substr($contact["bd"],5))
+ $birthday = $contact["bd"];
+
+ $r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `name-date` = '%s', `bd` = '%s',
+ `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
+ dbesc($name),
+ dbesc($nick),
+ dbesc($author),
dbesc(datetime_convert()),
- dbesc($subject),
- dbesc($participant_handles)
+ dbesc($birthday),
+ dbesc($location),
+ dbesc($about),
+ dbesc($keywords),
+ dbesc($gender),
+ intval($contact["id"]),
+ intval($importer["uid"])
);
- if($r)
- $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($c))
- $conversation = $c[0];
- }
- if(! $conversation) {
- logger('diaspora_conversation: unable to create conversation.');
- return;
- }
-
- foreach($messages as $mesg) {
-
- $reply = 0;
- $msg_guid = notags(unxmlify($mesg->guid));
- $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
- $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
- $msg_author_signature = notags(unxmlify($mesg->author_signature));
- $msg_text = unxmlify($mesg->text);
- $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
- $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
- $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
- if($msg_conversation_guid != $guid) {
- logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
- continue;
+ if ($searchable) {
+ poco_check($contact["url"], $name, NETWORK_DIASPORA, $image_url, $about, $location, $gender, $keywords, "",
+ datetime_convert(), 2, $contact["id"], $importer["uid"]);
}
- $body = diaspora2bb($msg_text);
- $message_id = $msg_diaspora_handle . ':' . $msg_guid;
-
- $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
+ $gcontact = array("url" => $contact["url"], "network" => NETWORK_DIASPORA, "generation" => 2,
+ "photo" => $image_url, "name" => $name, "location" => $location,
+ "about" => $about, "birthday" => $birthday, "gender" => $gender,
+ "addr" => $author, "nick" => $nick, "keywords" => $keywords,
+ "hide" => !$searchable, "nsfw" => $nsfw);
- $author_signature = base64_decode($msg_author_signature);
+ update_gcontact($gcontact);
- if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
- $person = $contact;
- $key = $msg['key'];
- }
- else {
- $person = find_diaspora_person_by_handle($msg_diaspora_handle);
+ logger("Profile of contact ".$contact["id"]." stored for user ".$importer["uid"], LOGGER_DEBUG);
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_conversation: unable to find author details');
- continue;
- }
- }
-
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_conversation: verification failed.');
- continue;
- }
-
- if($msg_parent_author_signature) {
- $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
-
- $parent_author_signature = base64_decode($msg_parent_author_signature);
+ return true;
+ }
- $key = $msg['key'];
+ private function receive_request_make_friend($importer, $contact) {
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_conversation: owner verification failed.');
- continue;
- }
- }
+ $a = get_app();
- $r = q("select id from mail where `uri` = '%s' limit 1",
- dbesc($message_id)
- );
- if(count($r)) {
- logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
- continue;
+ if($contact["rel"] == CONTACT_IS_FOLLOWER && in_array($importer["page-flags"], array(PAGE_FREELOVE))) {
+ q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
+ intval(CONTACT_IS_FRIEND),
+ intval($contact["id"]),
+ intval($importer["uid"])
+ );
}
+ // send notification
- q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
- intval($importer['uid']),
- dbesc($msg_guid),
- intval($conversation['id']),
- dbesc($person['name']),
- dbesc($person['photo']),
- dbesc($person['url']),
- intval($contact['id']),
- dbesc($subject),
- dbesc($body),
- 0,
- 0,
- dbesc($message_id),
- dbesc($parent_uri),
- dbesc($msg_created_at)
- );
-
- q("update conv set updated = '%s' where id = %d",
- dbesc(datetime_convert()),
- intval($conversation['id'])
+ $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
+ intval($importer["uid"])
);
- notification(array(
- 'type' => NOTIFY_MAIL,
- 'notify_flags' => $importer['notify-flags'],
- 'language' => $importer['language'],
- 'to_name' => $importer['username'],
- 'to_email' => $importer['email'],
- 'uid' =>$importer['uid'],
- 'item' => array('subject' => $subject, 'body' => $body),
- 'source_name' => $person['name'],
- 'source_link' => $person['url'],
- 'source_photo' => $person['thumb'],
- 'verb' => ACTIVITY_POST,
- 'otype' => 'mail'
- ));
- }
+ if($r && !$r[0]["hide-friends"] && !$contact["hidden"] && intval(get_pconfig($importer["uid"], "system", "post_newfriend"))) {
- return;
-}
+ $self = q("SELECT * FROM `contact` WHERE `self` AND `uid` = %d LIMIT 1",
+ intval($importer["uid"])
+ );
-function diaspora_message($importer,$xml,$msg) {
+ // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
- $a = get_app();
+ if($self && $contact["rel"] == CONTACT_IS_FOLLOWER) {
- $msg_guid = notags(unxmlify($xml->guid));
- $msg_parent_guid = notags(unxmlify($xml->parent_guid));
- $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
- $msg_author_signature = notags(unxmlify($xml->author_signature));
- $msg_text = unxmlify($xml->text);
- $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
- $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
+ $arr = array();
+ $arr["uri"] = $arr["parent-uri"] = item_new_uri($a->get_hostname(), $importer["uid"]);
+ $arr["uid"] = $importer["uid"];
+ $arr["contact-id"] = $self[0]["id"];
+ $arr["wall"] = 1;
+ $arr["type"] = 'wall';
+ $arr["gravity"] = 0;
+ $arr["origin"] = 1;
+ $arr["author-name"] = $arr["owner-name"] = $self[0]["name"];
+ $arr["author-link"] = $arr["owner-link"] = $self[0]["url"];
+ $arr["author-avatar"] = $arr["owner-avatar"] = $self[0]["thumb"];
+ $arr["verb"] = ACTIVITY_FRIEND;
+ $arr["object-type"] = ACTIVITY_OBJ_PERSON;
+
+ $A = "[url=".$self[0]["url"]."]".$self[0]["name"]."[/url]";
+ $B = "[url=".$contact["url"]."]".$contact["name"]."[/url]";
+ $BPhoto = "[url=".$contact["url"]."][img]".$contact["thumb"]."[/img][/url]";
+ $arr["body"] = sprintf(t("%1$s is now friends with %2$s"), $A, $B)."\n\n\n".$Bphoto;
+
+ $arr["object"] = "<object><type>".ACTIVITY_OBJ_PERSON."</type><title>".$contact["name"]."</title>"
+ ."<id>".$contact["url"]."/".$contact["name"]."</id>";
+ $arr["object"] .= "<link>".xmlify('<link rel="alternate" type="text/html" href="'.$contact["url"].'" />'."\n");
+ $arr["object"] .= xmlify('<link rel="photo" type="image/jpeg" href="'.$contact["thumb"].'" />'."\n");
+ $arr["object"] .= "</link></object>\n";
+ $arr["last-child"] = 1;
+
+ $arr["allow_cid"] = $user[0]["allow_cid"];
+ $arr["allow_gid"] = $user[0]["allow_gid"];
+ $arr["deny_cid"] = $user[0]["deny_cid"];
+ $arr["deny_gid"] = $user[0]["deny_gid"];
- $parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
+ $i = item_store($arr);
+ if($i)
+ proc_run("php", "include/notifier.php", "activity", $i);
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
- if(! $contact) {
- logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
- return;
- }
+ }
- if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
- logger('diaspora_message: Ignoring this author.');
- return 202;
+ }
}
- $conversation = null;
-
- $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
- intval($importer['uid']),
- dbesc($msg_conversation_guid)
- );
- if(count($c))
- $conversation = $c[0];
- else {
- logger('diaspora_message: conversation not available.');
- return;
- }
+ private function receive_request($importer, $data) {
+ $author = unxmlify($data->author);
+ $recipient = unxmlify($data->recipient);
- $reply = 0;
+ if (!$author || !$recipient)
+ return;
- $body = diaspora2bb($msg_text);
- $message_id = $msg_diaspora_handle . ':' . $msg_guid;
+ $contact = self::contact_by_handle($importer["uid"],$author);
- $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
+ if($contact) {
+ // perhaps we were already sharing with this person. Now they're sharing with us.
+ // That makes us friends.
- $author_signature = base64_decode($msg_author_signature);
+ self::receive_request_make_friend($importer, $contact);
+ return true;
+ }
- $person = find_diaspora_person_by_handle($msg_diaspora_handle);
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_message: unable to find author details');
- return;
- }
+ $ret = self::person_by_handle($author);
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_message: verification failed.');
- return;
- }
+ if (!$ret || ($ret["network"] != NETWORK_DIASPORA)) {
+ logger("Cannot resolve diaspora handle ".$author." for ".$recipient);
+ return false;
+ }
- $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
- dbesc($message_id),
- intval($importer['uid'])
- );
- if(count($r)) {
- logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
- return;
- }
+ $batch = (($ret["batch"]) ? $ret["batch"] : implode("/", array_slice(explode("/", $ret["url"]), 0, 3))."/receive/public");
+
+ $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
+ VALUES (%d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d)",
+ intval($importer["uid"]),
+ dbesc($ret["network"]),
+ dbesc($ret["addr"]),
+ datetime_convert(),
+ dbesc($ret["url"]),
+ dbesc(normalise_link($ret["url"])),
+ dbesc($batch),
+ dbesc($ret["name"]),
+ dbesc($ret["nick"]),
+ dbesc($ret["photo"]),
+ dbesc($ret["pubkey"]),
+ dbesc($ret["notify"]),
+ dbesc($ret["poll"]),
+ 1,
+ 2
+ );
- q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
- intval($importer['uid']),
- dbesc($msg_guid),
- intval($conversation['id']),
- dbesc($person['name']),
- dbesc($person['photo']),
- dbesc($person['url']),
- intval($contact['id']),
- dbesc($conversation['subject']),
- dbesc($body),
- 0,
- 1,
- dbesc($message_id),
- dbesc($parent_uri),
- dbesc($msg_created_at)
- );
-
- q("update conv set updated = '%s' where id = %d",
- dbesc(datetime_convert()),
- intval($conversation['id'])
- );
-
- return;
-}
+ // find the contact record we just created
-function diaspora_participation($importer,$xml) {
- logger("Unsupported message type 'participation' ".print_r($xml, true));
-}
+ $contact_record = self::contact_by_handle($importer["uid"],$author);
-function diaspora_photo($importer,$xml,$msg,$attempt=1) {
+ if (!$contact_record) {
+ logger("unable to locate newly created contact record.");
+ return;
+ }
- $a = get_app();
+ $g = q("SELECT `def_gid` FROM `user` WHERE `uid` = %d LIMIT 1",
+ intval($importer["uid"])
+ );
- logger('diaspora_photo: init',LOGGER_DEBUG);
+ if($g && intval($g[0]["def_gid"]))
+ group_add_member($importer["uid"], "", $contact_record["id"], $g[0]["def_gid"]);
- $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
+ if($importer["page-flags"] == PAGE_NORMAL) {
- $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
+ $hash = random_string().(string)time(); // Generate a confirm_key
- $status_message_guid = notags(unxmlify($xml->status_message_guid));
+ $ret = q("INSERT INTO `intro` (`uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`)
+ VALUES (%d, %d, %d, %d, '%s', '%s', '%s')",
+ intval($importer["uid"]),
+ intval($contact_record["id"]),
+ 0,
+ 0,
+ dbesc(t("Sharing notification from Diaspora network")),
+ dbesc($hash),
+ dbesc(datetime_convert())
+ );
+ } else {
- $guid = notags(unxmlify($xml->guid));
+ // automatic friend approval
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ update_contact_avatar($contact_record["photo"],$importer["uid"],$contact_record["id"]);
- $public = notags(unxmlify($xml->public));
+ // technically they are sharing with us (CONTACT_IS_SHARING),
+ // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
+ // we are going to change the relationship and make them a follower.
- $created_at = notags(unxmlify($xml_created_at));
+ if($importer["page-flags"] == PAGE_FREELOVE)
+ $new_relation = CONTACT_IS_FRIEND;
+ else
+ $new_relation = CONTACT_IS_FOLLOWER;
- logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
+ $r = q("UPDATE `contact` SET `rel` = %d,
+ `name-date` = '%s',
+ `uri-date` = '%s',
+ `blocked` = 0,
+ `pending` = 0,
+ `writable` = 1
+ WHERE `id` = %d
+ ",
+ intval($new_relation),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ intval($contact_record["id"])
+ );
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
- return;
- }
+ $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($importer["uid"]));
+ if($u)
+ $ret = self::send_share($u[0], $contact_record);
+ }
- if(! diaspora_post_allow($importer,$contact, false)) {
- logger('diaspora_photo: Ignoring this author.');
- return 202;
+ return true;
}
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($status_message_guid)
- );
-
-/* deactivated by now since it can lead to multiplicated pictures in posts.
- if(!count($r)) {
- $result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
+ private function original_item($guid, $orig_author, $author) {
- if (!$result) {
- $person = find_diaspora_person_by_handle($diaspora_handle);
- $result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
- }
+ // Do we already have this item?
+ $r = q("SELECT `body`, `tag`, `app`, `created`, `object-type`, `uri`, `guid`,
+ `author-name`, `author-link`, `author-avatar`
+ FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
+ dbesc($guid));
- if ($result) {
- logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
+ if($r) {
+ logger("reshared message ".$guid." already exists on system.");
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($status_message_guid)
- );
- }
- }
-*/
- if(!count($r)) {
- if($attempt <= 3) {
- q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
- intval($importer['uid']),
- dbesc(serialize($msg)),
- intval($attempt + 1)
- );
+ // Maybe it is already a reshared item?
+ // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
+ if (self::is_reshare($r[0]["body"]))
+ $r = array();
+ else
+ return $r[0];
}
- logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
- return;
- }
-
- $parent_item = $r[0];
+ if (!$r) {
+ $server = "https://".substr($orig_author, strpos($orig_author, "@") + 1);
+ logger("1st try: reshared message ".$guid." will be fetched from original server: ".$server);
+ $item_id = self::store_by_guid($guid, $server);
- $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
-
- $link_text = scale_external_images($link_text, true,
- array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
+ if (!$item_id) {
+ $server = "http://".substr($orig_author, strpos($orig_author, "@") + 1);
+ logger("2nd try: reshared message ".$guid." will be fetched from original server: ".$server);
+ $item_id = self::store_by_guid($guid, $server);
+ }
- if(strpos($parent_item['body'],$link_text) === false) {
+ // Deactivated by now since there is a risk that someone could manipulate postings through this method
+/* if (!$item_id) {
+ $server = "https://".substr($author, strpos($author, "@") + 1);
+ logger("3rd try: reshared message ".$guid." will be fetched from sharer's server: ".$server);
+ $item_id = self::store_by_guid($guid, $server);
+ }
+ if (!$item_id) {
+ $server = "http://".substr($author, strpos($author, "@") + 1);
+ logger("4th try: reshared message ".$guid." will be fetched from sharer's server: ".$server);
+ $item_id = self::store_by_guid($guid, $server);
+ }
+*/
+ if ($item_id) {
+ $r = q("SELECT `body`, `tag`, `app`, `created`, `object-type`, `uri`, `guid`,
+ `author-name`, `author-link`, `author-avatar`
+ FROM `item` WHERE `id` = %d AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
+ intval($item_id));
- $parent_item['body'] = $link_text . $parent_item['body'];
+ if ($r)
+ return $r[0];
- $r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
- dbesc($parent_item['body']),
- intval($parent_item['id']),
- intval($parent_item['uid'])
- );
- put_item_in_cache($parent_item, true);
- update_thread($parent_item['id']);
+ }
+ }
+ return false;
}
- return;
-}
+ private function receive_reshare($importer, $data) {
+ $root_author = notags(unxmlify($data->root_author));
+ $root_guid = notags(unxmlify($data->root_guid));
+ $guid = notags(unxmlify($data->guid));
+ $author = notags(unxmlify($data->author));
+ $public = notags(unxmlify($data->public));
+ $created_at = notags(unxmlify($data->created_at));
+ $contact = self::allowed_contact_by_handle($importer, $author, false);
+ if (!$contact)
+ return false;
+ if (self::message_exists($importer["uid"], $guid))
+ return false;
+ $original_item = self::original_item($root_guid, $root_author, $author);
+ if (!$original_item)
+ return false;
-function diaspora_like($importer,$xml,$msg) {
+ $orig_url = App::get_baseurl()."/display/".$original_item["guid"];
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $parent_guid = notags(unxmlify($xml->parent_guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $target_type = notags(unxmlify($xml->target_type));
- $positive = notags(unxmlify($xml->positive));
- $author_signature = notags(unxmlify($xml->author_signature));
+ $datarray = array();
- $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
+ $datarray["uid"] = $importer["uid"];
+ $datarray["contact-id"] = $contact["id"];
+ $datarray["network"] = NETWORK_DIASPORA;
- // likes on comments not supported here and likes on photos not supported by Diaspora
+ $datarray["author-name"] = $contact["name"];
+ $datarray["author-link"] = $contact["url"];
+ $datarray["author-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
-// if($target_type !== 'Post')
-// return;
+ $datarray["owner-name"] = $datarray["author-name"];
+ $datarray["owner-link"] = $datarray["author-link"];
+ $datarray["owner-avatar"] = $datarray["author-avatar"];
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_like: cannot find contact: ' . $msg['author']);
- return;
- }
+ $datarray["guid"] = $guid;
+ $datarray["uri"] = $datarray["parent-uri"] = $author.":".$guid;
- if(! diaspora_post_allow($importer,$contact, false)) {
- logger('diaspora_like: Ignoring this author.');
- return 202;
- }
+ $datarray["verb"] = ACTIVITY_POST;
+ $datarray["gravity"] = GRAVITY_PARENT;
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($parent_guid)
- );
+ $datarray["object"] = json_encode($data);
- if(!count($r)) {
- $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
+ $prefix = share_header($original_item["author-name"], $original_item["author-link"], $original_item["author-avatar"],
+ $original_item["guid"], $original_item["created"], $orig_url);
+ $datarray["body"] = $prefix.$original_item["body"]."[/share]";
- if (!$result) {
- $person = find_diaspora_person_by_handle($diaspora_handle);
- $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
- }
+ $datarray["tag"] = $original_item["tag"];
+ $datarray["app"] = $original_item["app"];
- if ($result) {
- logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
+ $datarray["plink"] = self::plink($author, $guid);
+ $datarray["private"] = (($public == "false") ? 1 : 0);
+ $datarray["changed"] = $datarray["created"] = $datarray["edited"] = datetime_convert("UTC", "UTC", $created_at);
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($parent_guid)
- );
- }
- }
+ $datarray["object-type"] = $original_item["object-type"];
- if(! count($r)) {
- logger('diaspora_like: parent item not found: ' . $guid);
- return;
- }
+ self::fetch_guid($datarray);
+ $message_id = item_store($datarray);
- $parent_item = $r[0];
+ if ($message_id)
+ logger("Stored reshare ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- if($positive === 'true') {
- logger('diaspora_like: duplicate like: ' . $guid);
- return;
- }
- // Note: I don't think "Like" objects with positive = "false" are ever actually used
- // It looks like "RelayableRetractions" are used for "unlike" instead
- if($positive === 'false') {
- logger('diaspora_like: received a like with positive set to "false"...ignoring');
-/* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
- intval($r[0]['id']),
- intval($importer['uid'])
- );*/
- // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
- // send notification via proc_run()
- return;
- }
+ return $message_id;
}
- // Note: I don't think "Like" objects with positive = "false" are ever actually used
- // It looks like "RelayableRetractions" are used for "unlike" instead
- if($positive === 'false') {
- logger('diaspora_like: received a like with positive set to "false"');
- logger('diaspora_like: unlike received with no corresponding like...ignoring');
- return;
- }
-
- /* How Diaspora performs "like" signature checking:
+ private function item_retraction($importer, $contact, $data) {
+ $target_type = notags(unxmlify($data->target_type));
+ $target_guid = notags(unxmlify($data->target_guid));
+ $author = notags(unxmlify($data->author));
- - If an item has been sent by the like author to the top-level post owner to relay on
- to the rest of the contacts on the top-level post, the top-level post owner should check
- the author_signature, then create a parent_author_signature before relaying the like on
- - If an item has been relayed on by the top-level post owner, the contacts who receive it
- check only the parent_author_signature. Basically, they trust that the top-level post
- owner has already verified the authenticity of anything he/she sends out
- - In either case, the signature that get checked is the signature created by the person
- who sent the salmon
- */
-
- // Diaspora has changed the way they are signing the likes.
- // Just to make sure that we don't miss any likes we will check the old and the current way.
- $old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
+ $person = self::person_by_handle($author);
+ if (!is_array($person)) {
+ logger("unable to find author detail for ".$author);
+ return false;
+ }
- $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
+ $r = q("SELECT `id`, `parent`, `parent-uri`, `author-link` FROM `item` WHERE `guid` = '%s' AND `uid` = %d AND NOT `file` LIKE '%%[%%' LIMIT 1",
+ dbesc($target_guid),
+ intval($importer["uid"])
+ );
+ if (!$r)
+ return false;
- $key = $msg['key'];
+ // Only delete it if the author really fits
+ if (!link_compare($r[0]["author-link"], $person["url"])) {
+ logger("Item author ".$r[0]["author-link"]." doesn't fit to expected contact ".$person["url"], LOGGER_DEBUG);
+ return false;
+ }
- if ($parent_author_signature) {
- // If a parent_author_signature exists, then we've received the like
- // relayed from the top-level post owner. There's no need to check the
- // author_signature if the parent_author_signature is valid
+ // Check if the sender is the thread owner
+ $p = q("SELECT `id`, `author-link`, `origin` FROM `item` WHERE `id` = %d",
+ intval($r[0]["parent"]));
- $parent_author_signature = base64_decode($parent_author_signature);
+ // Only delete it if the parent author really fits
+ if (!link_compare($p[0]["author-link"], $contact["url"]) AND !link_compare($r[0]["author-link"], $contact["url"])) {
+ logger("Thread author ".$p[0]["author-link"]." and item author ".$r[0]["author-link"]." don't fit to expected contact ".$contact["url"], LOGGER_DEBUG);
+ return false;
+ }
- if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
- !rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
+ // Currently we don't have a central deletion function that we could use in this case. The function "item_drop" doesn't work for that case
+ q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' WHERE `id` = %d",
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ intval($r[0]["id"])
+ );
+ delete_thread($r[0]["id"], $r[0]["parent-uri"]);
- logger('diaspora_like: top-level owner verification failed.');
- return;
- }
- } else {
- // If there's no parent_author_signature, then we've received the like
- // from the like creator. In that case, the person is "like"ing
- // our post, so he/she must be a contact of ours and his/her public key
- // should be in $msg['key']
+ logger("Deleted target ".$target_guid." (".$r[0]["id"].") from user ".$importer["uid"]." parent: ".$p[0]["id"], LOGGER_DEBUG);
- $author_signature = base64_decode($author_signature);
+ // Now check if the retraction needs to be relayed by us
+ if($p[0]["origin"]) {
- if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
- !rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
+ // Formerly we stored the signed text, the signature and the author in different fields.
+ // We now store the raw data so that we are more flexible.
+ q("INSERT INTO `sign` (`retract_iid`,`signed_text`) VALUES (%d,'%s')",
+ intval($r[0]["id"]),
+ dbesc(json_encode($data))
+ );
+ $s = q("select * from sign where retract_iid = %d", intval($r[0]["id"]));
+ logger("Stored signatur for item ".$r[0]["id"]." - ".print_r($s, true), LOGGER_DEBUG);
- logger('diaspora_like: like creator verification failed.');
- return;
+ // notify others
+ proc_run("php", "include/notifier.php", "drop", $r[0]["id"]);
}
}
- // Phew! Everything checks out. Now create an item.
+ private function receive_retraction($importer, $sender, $data) {
+ $target_type = notags(unxmlify($data->target_type));
- // Find the original comment author information.
- // We need this to make sure we display the comment author
- // information (name and avatar) correctly.
- if(strcasecmp($diaspora_handle,$msg['author']) == 0)
- $person = $contact;
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
+ $contact = self::contact_by_handle($importer["uid"], $sender);
+ if (!$contact) {
+ logger("cannot find contact for sender: ".$sender." and user ".$importer["uid"]);
+ return false;
+ }
- if(! is_array($person)) {
- logger('diaspora_like: unable to find author details');
- return;
+ logger("Got retraction for ".$target_type.", sender ".$sender." and user ".$importer["uid"], LOGGER_DEBUG);
+
+ switch ($target_type) {
+ case "Comment":
+ case "Like":
+ case "Post": // "Post" will be supported in a future version
+ case "Reshare":
+ case "StatusMessage":
+ return self::item_retraction($importer, $contact, $data);;
+
+ case "Person":
+ /// @todo What should we do with an "unshare"?
+ // Removing the contact isn't correct since we still can read the public items
+ //contact_remove($contact["id"]);
+ return true;
+
+ default:
+ logger("Unknown target type ".$target_type);
+ return false;
}
+ return true;
}
- $uri = $diaspora_handle . ':' . $guid;
-
- $activity = ACTIVITY_LIKE;
- $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
- $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
- $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
- $body = $parent_item['body'];
-
- $obj = <<< EOT
-
- <object>
- <type>$objtype</type>
- <local>1</local>
- <id>{$parent_item['uri']}</id>
- <link>$link</link>
- <title></title>
- <content>$body</content>
- </object>
-EOT;
- $bodyverb = t('%1$s likes %2$s\'s %3$s');
-
- // Fetch the contact id - if we know this contact
- $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
- dbesc(normalise_link($person['url'])), intval($importer['uid']));
- if ($r) {
- $cid = $r[0]['id'];
- $network = $r[0]['network'];
- } else {
- $cid = $contact['id'];
- $network = NETWORK_DIASPORA;
- }
+ private function receive_status_message($importer, $data) {
- $arr = array();
-
- $arr['uri'] = $uri;
- $arr['uid'] = $importer['uid'];
- $arr['guid'] = $guid;
- $arr['network'] = $network;
- $arr['contact-id'] = $cid;
- $arr['type'] = 'activity';
- $arr['wall'] = $parent_item['wall'];
- $arr['gravity'] = GRAVITY_LIKE;
- $arr['parent'] = $parent_item['id'];
- $arr['parent-uri'] = $parent_item['uri'];
-
- $arr['owner-name'] = $parent_item['name'];
- $arr['owner-link'] = $parent_item['url'];
- //$arr['owner-avatar'] = $parent_item['thumb'];
- $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
-
- $arr['author-name'] = $person['name'];
- $arr['author-link'] = $person['url'];
- $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
-
- $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
- $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
- //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
- $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
- $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
-
- $arr['app'] = 'Diaspora';
-
- $arr['private'] = $parent_item['private'];
- $arr['verb'] = $activity;
- $arr['object-type'] = $objtype;
- $arr['object'] = $obj;
- $arr['visible'] = 1;
- $arr['unseen'] = 1;
- $arr['last-child'] = 0;
-
- $message_id = item_store($arr);
-
-
- //if($message_id) {
- // q("update item set plink = '%s' where id = %d",
- // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- // dbesc($a->get_baseurl().'/display/'.$guid),
- // intval($message_id)
- // );
- //}
-
- // If we are the origin of the parent we store the original signature and notify our followers
- if($parent_item['origin']) {
- $author_signature_base64 = base64_encode($author_signature);
- $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
-
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($message_id),
- dbesc($signed_data),
- dbesc($author_signature_base64),
- dbesc($diaspora_handle)
- );
+ $raw_message = unxmlify($data->raw_message);
+ $guid = notags(unxmlify($data->guid));
+ $author = notags(unxmlify($data->author));
+ $public = notags(unxmlify($data->public));
+ $created_at = notags(unxmlify($data->created_at));
+ $provider_display_name = notags(unxmlify($data->provider_display_name));
- // notify others
- proc_run('php','include/notifier.php','comment-import',$message_id);
- }
+ /// @todo enable support for polls
+ //if ($data->poll) {
+ // foreach ($data->poll AS $poll)
+ // print_r($poll);
+ // die("poll!\n");
+ //}
+ $contact = self::allowed_contact_by_handle($importer, $author, false);
+ if (!$contact)
+ return false;
- return;
-}
+ if (self::message_exists($importer["uid"], $guid))
+ return false;
-function diaspora_retraction($importer,$xml) {
+ $address = array();
+ if ($data->location)
+ foreach ($data->location->children() AS $fieldname => $data)
+ $address[$fieldname] = notags(unxmlify($data));
+ $body = diaspora2bb($raw_message);
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $type = notags(unxmlify($xml->type));
+ $datarray = array();
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
+ if ($data->photo) {
+ foreach ($data->photo AS $photo)
+ $body = "[img]".$photo->remote_photo_path.$photo->remote_photo_name."[/img]\n".$body;
- if($type === 'Person') {
- require_once('include/Contact.php');
- contact_remove($contact['id']);
- } elseif($type === 'StatusMessage') {
- $guid = notags(unxmlify($xml->post_guid));
+ $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
+ } else {
+ $datarray["object-type"] = ACTIVITY_OBJ_NOTE;
- $r = q("SELECT * FROM `item` WHERE `guid` = '%s' AND `uid` = %d AND NOT `file` LIKE '%%[%%' LIMIT 1",
- dbesc($guid),
- intval($importer['uid'])
- );
- if(count($r)) {
- if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d",
- dbesc(datetime_convert()),
- intval($r[0]['id'])
- );
- delete_thread($r[0]['id'], $r[0]['parent-uri']);
- }
- }
- } elseif($type === 'Post') {
- $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
- dbesc('guid'),
- intval($importer['uid'])
- );
- if(count($r)) {
- if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
- dbesc(datetime_convert()),
- intval($r[0]['id'])
- );
- delete_thread($r[0]['id'], $r[0]['parent-uri']);
- }
+ // Add OEmbed and other information to the body
+ if (!self::is_redmatrix($contact["url"]))
+ $body = add_page_info_to_body($body, false, true);
}
- }
- return 202;
- // NOTREACHED
-}
+ $datarray["uid"] = $importer["uid"];
+ $datarray["contact-id"] = $contact["id"];
+ $datarray["network"] = NETWORK_DIASPORA;
-function diaspora_signed_retraction($importer,$xml,$msg) {
+ $datarray["author-name"] = $contact["name"];
+ $datarray["author-link"] = $contact["url"];
+ $datarray["author-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
+ $datarray["owner-name"] = $datarray["author-name"];
+ $datarray["owner-link"] = $datarray["author-link"];
+ $datarray["owner-avatar"] = $datarray["author-avatar"];
- $guid = notags(unxmlify($xml->target_guid));
- $diaspora_handle = notags(unxmlify($xml->sender_handle));
- $type = notags(unxmlify($xml->target_type));
- $sig = notags(unxmlify($xml->target_author_signature));
+ $datarray["guid"] = $guid;
+ $datarray["uri"] = $datarray["parent-uri"] = $author.":".$guid;
- $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
+ $datarray["verb"] = ACTIVITY_POST;
+ $datarray["gravity"] = GRAVITY_PARENT;
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact) {
- logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
- return;
- }
+ $datarray["object"] = json_encode($data);
+ $datarray["body"] = $body;
- $signed_data = $guid . ';' . $type ;
- $key = $msg['key'];
+ if ($provider_display_name != "")
+ $datarray["app"] = $provider_display_name;
- /* How Diaspora performs relayable_retraction signature checking:
+ $datarray["plink"] = self::plink($author, $guid);
+ $datarray["private"] = (($public == "false") ? 1 : 0);
+ $datarray["changed"] = $datarray["created"] = $datarray["edited"] = datetime_convert("UTC", "UTC", $created_at);
- - If an item has been sent by the item author to the top-level post owner to relay on
- to the rest of the contacts on the top-level post, the top-level post owner checks
- the author_signature, then creates a parent_author_signature before relaying the item on
- - If an item has been relayed on by the top-level post owner, the contacts who receive it
- check only the parent_author_signature. Basically, they trust that the top-level post
- owner has already verified the authenticity of anything he/she sends out
- - In either case, the signature that get checked is the signature created by the person
- who sent the salmon
- */
+ if (isset($address["address"]))
+ $datarray["location"] = $address["address"];
- if($parent_author_signature) {
+ if (isset($address["lat"]) AND isset($address["lng"]))
+ $datarray["coord"] = $address["lat"]." ".$address["lng"];
- $parent_author_signature = base64_decode($parent_author_signature);
+ self::fetch_guid($datarray);
+ $message_id = item_store($datarray);
- if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_signed_retraction: top-level post owner verification failed');
- return;
- }
+ if ($message_id)
+ logger("Stored item ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
- } else {
+ return $message_id;
+ }
- $sig_decode = base64_decode($sig);
+ /******************************************************************************************
+ * Here are all the functions that are needed to transmit data with the Diaspora protocol *
+ ******************************************************************************************/
- if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
- logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
- return;
- }
- }
+ private function my_handle($me) {
+ if ($contact["addr"] != "")
+ return $contact["addr"];
- if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
- $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
- dbesc($guid),
- intval($importer['uid'])
- );
- if(count($r)) {
- if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($r[0]['id'])
- );
- delete_thread($r[0]['id'], $r[0]['parent-uri']);
-
- // Now check if the retraction needs to be relayed by us
- //
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("SELECT `origin` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
- intval($r[0]['parent']),
- intval($r[0]['parent'])
- );
- if(count($p)) {
- if($p[0]['origin']) {
- q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- $r[0]['id'],
- dbesc($signed_data),
- dbesc($sig),
- dbesc($diaspora_handle)
- );
-
- // the existence of parent_author_signature would have meant the parent_author or owner
- // is already relaying.
- logger('diaspora_signed_retraction: relaying relayable_retraction');
-
- proc_run('php','include/notifier.php','drop',$r[0]['id']);
- }
- }
- }
- }
+ // Normally we should have a filled "addr" field - but in the past this wasn't the case
+ // So - just in case - we build the the address here.
+ return $me["nickname"]."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3);
}
- else
- logger('diaspora_signed_retraction: unknown type: ' . $type);
- return 202;
- // NOTREACHED
-}
+ private function build_public_message($msg, $user, $contact, $prvkey, $pubkey) {
-function diaspora_profile($importer,$xml,$msg) {
+ logger("Message: ".$msg, LOGGER_DATA);
- $a = get_app();
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
+ $handle = self::my_handle($user);
+ $b64url_data = base64url_encode($msg);
- if($diaspora_handle != $msg['author']) {
- logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
- return 202;
- }
+ $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data);
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- //if($contact['blocked']) {
- // logger('diaspora_post: Ignoring this author.');
- // return 202;
- //}
-
- $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
- $image_url = unxmlify($xml->image_url);
- $birthday = unxmlify($xml->birthday);
- $location = diaspora2bb(unxmlify($xml->location));
- $about = diaspora2bb(unxmlify($xml->bio));
- $gender = unxmlify($xml->gender);
- $searchable = (unxmlify($xml->searchable) == "true");
- $nsfw = (unxmlify($xml->nsfw) == "true");
- $tags = unxmlify($xml->tag_string);
-
- $tags = explode("#", $tags);
-
- $keywords = array();
- foreach ($tags as $tag) {
- $tag = trim(strtolower($tag));
- if ($tag != "")
- $keywords[] = $tag;
- }
+ $type = "application/xml";
+ $encoding = "base64url";
+ $alg = "RSA-SHA256";
- $keywords = implode(", ", $keywords);
+ $signable_data = $data.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg);
- $handle_parts = explode("@", $diaspora_handle);
- $nick = $handle_parts[0];
+ $signature = rsa_sign($signable_data,$prvkey);
+ $sig = base64url_encode($signature);
- if($name === '') {
- $name = $handle_parts[0];
- }
+ $xmldata = array("diaspora" => array("header" => array("author_id" => $handle),
+ "me:env" => array("me:encoding" => "base64url",
+ "me:alg" => "RSA-SHA256",
+ "me:data" => $data,
+ "@attributes" => array("type" => "application/xml"),
+ "me:sig" => $sig)));
- if( preg_match("|^https?://|", $image_url) === 0) {
- $image_url = "http://" . $handle_parts[1] . $image_url;
+ $namespaces = array("" => "https://joindiaspora.com/protocol",
+ "me" => "http://salmon-protocol.org/ns/magic-env");
+
+ $magic_env = xml::from_array($xmldata, $xml, false, $namespaces);
+
+ logger("magic_env: ".$magic_env, LOGGER_DATA);
+ return $magic_env;
}
-/* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
- intval($importer['uid']),
- intval($contact['id'])
- );
- $oldphotos = ((count($r)) ? $r : null);*/
+ private function build_private_message($msg, $user, $contact, $prvkey, $pubkey) {
- require_once('include/Photo.php');
+ logger("Message: ".$msg, LOGGER_DATA);
- update_contact_avatar($image_url,$importer['uid'],$contact['id']);
+ // without a public key nothing will work
- // Generic birthday. We don't know the timezone. The year is irrelevant.
+ if (!$pubkey) {
+ logger("pubkey missing: contact id: ".$contact["id"]);
+ return false;
+ }
- $birthday = str_replace('1000','1901',$birthday);
+ $inner_aes_key = random_string(32);
+ $b_inner_aes_key = base64_encode($inner_aes_key);
+ $inner_iv = random_string(16);
+ $b_inner_iv = base64_encode($inner_iv);
- if ($birthday != "")
- $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
+ $outer_aes_key = random_string(32);
+ $b_outer_aes_key = base64_encode($outer_aes_key);
+ $outer_iv = random_string(16);
+ $b_outer_iv = base64_encode($outer_iv);
- // this is to prevent multiple birthday notifications in a single year
- // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
+ $handle = self::my_handle($user);
- if(substr($birthday,5) === substr($contact['bd'],5))
- $birthday = $contact['bd'];
+ $padded_data = pkcs5_pad($msg,16);
+ $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
- /// @TODO Update name on item['author-name'] if the name changed. See consume_feed()
- /// (Not doing this currently because D* protocol is scheduled for revision soon).
+ $b64_data = base64_encode($inner_encrypted);
- $r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `name-date` = '%s', `bd` = '%s',
- `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
- dbesc($name),
- dbesc($nick),
- dbesc($diaspora_handle),
- dbesc(datetime_convert()),
- dbesc($birthday),
- dbesc($location),
- dbesc($about),
- dbesc($keywords),
- dbesc($gender),
- intval($contact['id']),
- intval($importer['uid'])
- );
- if ($searchable) {
- require_once('include/socgraph.php');
- poco_check($contact['url'], $name, NETWORK_DIASPORA, $image_url, $about, $location, $gender, $keywords, "",
- datetime_convert(), 2, $contact['id'], $importer['uid']);
- }
+ $b64url_data = base64url_encode($b64_data);
+ $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data);
- update_gcontact(array("url" => $contact['url'], "network" => NETWORK_DIASPORA, "generation" => 2,
- "photo" => $image_url, "name" => $name, "location" => $location,
- "about" => $about, "birthday" => $birthday, "gender" => $gender,
- "addr" => $diaspora_handle, "nick" => $nick, "keywords" => $keywords,
- "hide" => !$searchable, "nsfw" => $nsfw));
-
-/* if($r) {
- if($oldphotos) {
- foreach($oldphotos as $ph) {
- q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
- intval($importer['uid']),
- intval($contact['id']),
- dbesc($ph['resource-id'])
- );
- }
- }
- } */
+ $type = "application/xml";
+ $encoding = "base64url";
+ $alg = "RSA-SHA256";
- return;
+ $signable_data = $data.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg);
-}
+ $signature = rsa_sign($signable_data,$prvkey);
+ $sig = base64url_encode($signature);
-function diaspora_share($me,$contact) {
- $a = get_app();
- $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $theiraddr = $contact['addr'];
+ $xmldata = array("decrypted_header" => array("iv" => $b_inner_iv,
+ "aes_key" => $b_inner_aes_key,
+ "author_id" => $handle));
- $tpl = get_markup_template('diaspora_share.tpl');
- $msg = replace_macros($tpl, array(
- '$sender' => $myaddr,
- '$recipient' => $theiraddr
- ));
+ $decrypted_header = xml::from_array($xmldata, $xml, true);
+ $decrypted_header = pkcs5_pad($decrypted_header,16);
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
+ $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
- return(diaspora_transmit($owner,$contact,$slap, false));
-}
+ $outer_json = json_encode(array("iv" => $b_outer_iv, "key" => $b_outer_aes_key));
-function diaspora_unshare($me,$contact) {
+ $encrypted_outer_key_bundle = "";
+ openssl_public_encrypt($outer_json, $encrypted_outer_key_bundle, $pubkey);
- $a = get_app();
- $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
- $tpl = get_markup_template('diaspora_retract.tpl');
- $msg = replace_macros($tpl, array(
- '$guid' => $me['guid'],
- '$type' => 'Person',
- '$handle' => $myaddr
- ));
+ logger("outer_bundle: ".$b64_encrypted_outer_key_bundle." key: ".$pubkey, LOGGER_DATA);
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
+ $encrypted_header_json_object = json_encode(array("aes_key" => base64_encode($encrypted_outer_key_bundle),
+ "ciphertext" => base64_encode($ciphertext)));
+ $cipher_json = base64_encode($encrypted_header_json_object);
- return(diaspora_transmit($owner,$contact,$slap, false));
+ $xmldata = array("diaspora" => array("encrypted_header" => $cipher_json,
+ "me:env" => array("me:encoding" => "base64url",
+ "me:alg" => "RSA-SHA256",
+ "me:data" => $data,
+ "@attributes" => array("type" => "application/xml"),
+ "me:sig" => $sig)));
-}
+ $namespaces = array("" => "https://joindiaspora.com/protocol",
+ "me" => "http://salmon-protocol.org/ns/magic-env");
+
+ $magic_env = xml::from_array($xmldata, $xml, false, $namespaces);
+ logger("magic_env: ".$magic_env, LOGGER_DATA);
+ return $magic_env;
+ }
-function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
+ private function build_message($msg, $user, $contact, $prvkey, $pubkey, $public = false) {
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $theiraddr = $contact['addr'];
+ if ($public)
+ $magic_env = self::build_public_message($msg,$user,$contact,$prvkey,$pubkey);
+ else
+ $magic_env = self::build_private_message($msg,$user,$contact,$prvkey,$pubkey);
- $images = array();
+ // The data that will be transmitted is double encoded via "urlencode", strange ...
+ $slap = "xml=".urlencode(urlencode($magic_env));
+ return $slap;
+ }
- $title = $item['title'];
- $body = $item['body'];
+ private function signature($owner, $message) {
+ $sigmsg = $message;
+ unset($sigmsg["author_signature"]);
+ unset($sigmsg["parent_author_signature"]);
-/*
- // We're trying to match Diaspora's split message/photo protocol but
- // all the photos are displayed on D* as links and not img's - even
- // though we're sending pretty much precisely what they send us when
- // doing the same operation.
- // Commented out for now, we'll use bb2diaspora to convert photos to markdown
- // which seems to get through intact.
+ $signed_text = implode(";", $sigmsg);
- $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
- if($cnt) {
- foreach($matches as $mtch) {
- $detail = array();
- $detail['str'] = $mtch[0];
- $detail['path'] = dirname($mtch[1]) . '/';
- $detail['file'] = basename($mtch[1]);
- $detail['guid'] = $item['guid'];
- $detail['handle'] = $myaddr;
- $images[] = $detail;
- $body = str_replace($detail['str'],$mtch[1],$body);
- }
+ return base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
}
-*/
- //if(strlen($title))
- // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
+ public static function transmit($owner, $contact, $slap, $public_batch, $queue_run=false, $guid = "") {
+
+ $a = get_app();
+
+ $enabled = intval(get_config("system", "diaspora_enabled"));
+ if(!$enabled)
+ return 200;
- // convert to markdown
- $body = xmlify(html_entity_decode(bb2diaspora($body)));
- //$body = bb2diaspora($body);
+ $logid = random_string(4);
+ $dest_url = (($public_batch) ? $contact["batch"] : $contact["notify"]);
+ if (!$dest_url) {
+ logger("no url for contact: ".$contact["id"]." batch mode =".$public_batch);
+ return 0;
+ }
- // Adding the title
- if(strlen($title))
- $body = "## ".html_entity_decode($title)."\n\n".$body;
+ logger("transmit: ".$logid."-".$guid." ".$dest_url);
- if($item['attach']) {
- $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
- if(cnt) {
- $body .= "\n" . t('Attachments:') . "\n";
- foreach($matches as $mtch) {
- $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
+ if (!$queue_run && was_recently_delayed($contact["id"])) {
+ $return_code = 0;
+ } else {
+ if (!intval(get_config("system", "diaspora_test"))) {
+ post_url($dest_url."/", $slap);
+ $return_code = $a->get_curl_code();
+ } else {
+ logger("test_mode");
+ return 200;
}
}
- }
+ logger("transmit: ".$logid."-".$guid." returns: ".$return_code);
- $public = (($item['private']) ? 'false' : 'true');
+ if(!$return_code || (($return_code == 503) && (stristr($a->get_curl_headers(), "retry-after")))) {
+ logger("queue message");
- require_once('include/datetime.php');
- $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
+ $r = q("SELECT `id` FROM `queue` WHERE `cid` = %d AND `network` = '%s' AND `content` = '%s' AND `batch` = %d LIMIT 1",
+ intval($contact["id"]),
+ dbesc(NETWORK_DIASPORA),
+ dbesc($slap),
+ intval($public_batch)
+ );
+ if($r) {
+ logger("add_to_queue ignored - identical item already in queue");
+ } else {
+ // queue message for redelivery
+ add_to_queue($contact["id"], NETWORK_DIASPORA, $slap, $public_batch);
+ }
+ }
- // Detect a share element and do a reshare
- // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
- if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
- $tpl = get_markup_template('diaspora_reshare.tpl');
- $msg = replace_macros($tpl, array(
- '$root_handle' => xmlify($ret['root_handle']),
- '$root_guid' => $ret['root_guid'],
- '$guid' => $item['guid'],
- '$handle' => xmlify($myaddr),
- '$public' => $public,
- '$created' => $created,
- '$provider' => $item["app"]
- ));
- } else {
- $tpl = get_markup_template('diaspora_post.tpl');
- $msg = replace_macros($tpl, array(
- '$body' => $body,
- '$guid' => $item['guid'],
- '$handle' => xmlify($myaddr),
- '$public' => $public,
- '$created' => $created,
- '$provider' => $item["app"]
- ));
+ return(($return_code) ? $return_code : (-1));
}
- logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
- logger('send guid '.$item['guid'], LOGGER_DEBUG);
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
- $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']);
+ private function build_and_transmit($owner, $contact, $type, $message, $public_batch = false, $guid = "", $spool = false) {
- logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
+ $data = array("XML" => array("post" => array($type => $message)));
- if(count($images)) {
- diaspora_send_images($item,$owner,$contact,$images,$public_batch);
- }
+ $msg = xml::from_array($data, $xml);
- return $return_code;
-}
+ logger('message: '.$msg, LOGGER_DATA);
+ logger('send guid '.$guid, LOGGER_DEBUG);
-function diaspora_is_reshare($body) {
- $body = trim($body);
+ $slap = self::build_message($msg, $owner, $contact, $owner['uprvkey'], $contact['pubkey'], $public_batch);
- // Skip if it isn't a pure repeated messages
- // Does it start with a share?
- if (strpos($body, "[share") > 0)
- return(false);
+ if ($spool) {
+ add_to_queue($contact['id'], NETWORK_DIASPORA, $slap, $public_batch);
+ return true;
+ } else
+ $return_code = self::transmit($owner, $contact, $slap, $public_batch, false, $guid);
- // Does it end with a share?
- if (strlen($body) > (strrpos($body, "[/share]") + 8))
- return(false);
+ logger("guid: ".$item["guid"]." result ".$return_code, LOGGER_DEBUG);
- $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
- // Skip if there is no shared message in there
- if ($body == $attributes)
- return(false);
+ return $return_code;
+ }
- $guid = "";
- preg_match("/guid='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $guid = $matches[1];
+ public static function send_share($owner,$contact) {
- preg_match('/guid="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $guid = $matches[1];
+ $message = array("sender_handle" => self::my_handle($owner),
+ "recipient_handle" => $contact["addr"]);
- if ($guid != "") {
- $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
- dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
- if ($r) {
- $ret= array();
- $ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
- $ret["root_guid"] = $guid;
- return($ret);
- }
+ return self::build_and_transmit($owner, $contact, "request", $message);
}
- $profile = "";
- preg_match("/profile='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $profile = $matches[1];
+ public static function send_unshare($owner,$contact) {
- preg_match('/profile="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $profile = $matches[1];
+ $message = array("post_guid" => $owner["guid"],
+ "diaspora_handle" => self::my_handle($owner),
+ "type" => "Person");
- $ret= array();
+ return self::build_and_transmit($owner, $contact, "retraction", $message);
+ }
- $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
- if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
- return(false);
+ public static function is_reshare($body) {
+ $body = trim($body);
- $link = "";
- preg_match("/link='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $link = $matches[1];
+ // Skip if it isn't a pure repeated messages
+ // Does it start with a share?
+ if (strpos($body, "[share") > 0)
+ return(false);
- preg_match('/link="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $link = $matches[1];
+ // Does it end with a share?
+ if (strlen($body) > (strrpos($body, "[/share]") + 8))
+ return(false);
- $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
- if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
- return(false);
+ $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
+ // Skip if there is no shared message in there
+ if ($body == $attributes)
+ return(false);
- return($ret);
-}
+ $guid = "";
+ preg_match("/guid='(.*?)'/ism", $attributes, $matches);
+ if ($matches[1] != "")
+ $guid = $matches[1];
-function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
- $a = get_app();
- if(! count($images))
- return;
- $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
-
- $tpl = get_markup_template('diaspora_photo.tpl');
- foreach($images as $image) {
- if(! stristr($image['path'],$mysite))
- continue;
- $resource = str_replace('.jpg','',$image['file']);
- $resource = substr($resource,0,strpos($resource,'-'));
-
- $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
- dbesc($resource),
- intval($owner['uid'])
- );
- if(! count($r))
- continue;
- $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
- $msg = replace_macros($tpl,array(
- '$path' => xmlify($image['path']),
- '$filename' => xmlify($image['file']),
- '$msg_guid' => xmlify($image['guid']),
- '$guid' => xmlify($r[0]['guid']),
- '$handle' => xmlify($image['handle']),
- '$public' => xmlify($public),
- '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
- ));
+ preg_match('/guid="(.*?)"/ism', $attributes, $matches);
+ if ($matches[1] != "")
+ $guid = $matches[1];
+ if ($guid != "") {
+ $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
+ dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
+ if ($r) {
+ $ret= array();
+ $ret["root_handle"] = self::handle_from_contact($r[0]["contact-id"]);
+ $ret["root_guid"] = $guid;
+ return($ret);
+ }
+ }
- logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
- logger('send guid '.$r[0]['guid'], LOGGER_DEBUG);
+ $profile = "";
+ preg_match("/profile='(.*?)'/ism", $attributes, $matches);
+ if ($matches[1] != "")
+ $profile = $matches[1];
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
+ preg_match('/profile="(.*?)"/ism', $attributes, $matches);
+ if ($matches[1] != "")
+ $profile = $matches[1];
- diaspora_transmit($owner,$contact,$slap,$public_batch,false,$r[0]['guid']);
- }
+ $ret= array();
-}
+ $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
+ if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
+ return(false);
-function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
+ $link = "";
+ preg_match("/link='(.*?)'/ism", $attributes, $matches);
+ if ($matches[1] != "")
+ $link = $matches[1];
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-// $theiraddr = $contact['addr'];
+ preg_match('/link="(.*?)"/ism', $attributes, $matches);
+ if ($matches[1] != "")
+ $link = $matches[1];
- // Diaspora doesn't support threaded comments, but some
- // versions of Diaspora (i.e. Diaspora-pistos) support
- // likes on comments
- if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
- $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
- dbesc($item['thr-parent'])
- );
- }
- else {
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
- intval($item['parent']),
- intval($item['parent'])
- );
- }
- if(count($p))
- $parent = $p[0];
- else
- return;
-
- if($item['verb'] === ACTIVITY_LIKE) {
- $tpl = get_markup_template('diaspora_like.tpl');
- $like = true;
- $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
-// $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
-// $positive = (($item['deleted']) ? 'false' : 'true');
- $positive = 'true';
-
- if(($item['deleted']))
- logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
- }
- else {
- $tpl = get_markup_template('diaspora_comment.tpl');
- $like = false;
+ $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
+ if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
+ return(false);
+ return($ret);
}
- $text = html_entity_decode(bb2diaspora($item['body']));
+ public static function send_status($item, $owner, $contact, $public_batch = false) {
- // sign it
+ $myaddr = self::my_handle($owner);
- if($like)
- $signed_text = $positive . ';' . $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $myaddr;
- else
- $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
+ $public = (($item["private"]) ? "false" : "true");
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
+ $created = datetime_convert("UTC", "UTC", $item["created"], 'Y-m-d H:i:s \U\T\C');
- $msg = replace_macros($tpl,array(
- '$guid' => xmlify($item['guid']),
- '$parent_guid' => xmlify($parent['guid']),
- '$target_type' =>xmlify($target_type),
- '$authorsig' => xmlify($authorsig),
- '$body' => xmlify($text),
- '$positive' => xmlify($positive),
- '$handle' => xmlify($myaddr)
- ));
+ // Detect a share element and do a reshare
+ if (!$item['private'] AND ($ret = self::is_reshare($item["body"]))) {
+ $message = array("root_diaspora_id" => $ret["root_handle"],
+ "root_guid" => $ret["root_guid"],
+ "guid" => $item["guid"],
+ "diaspora_handle" => $myaddr,
+ "public" => $public,
+ "created_at" => $created,
+ "provider_display_name" => $item["app"]);
- logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
- logger('send guid '.$item['guid'], LOGGER_DEBUG);
+ $type = "reshare";
+ } else {
+ $title = $item["title"];
+ $body = $item["body"];
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
+ // convert to markdown
+ $body = html_entity_decode(bb2diaspora($body));
- return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
-}
+ // Adding the title
+ if(strlen($title))
+ $body = "## ".html_entity_decode($title)."\n\n".$body;
+ if ($item["attach"]) {
+ $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism', $item["attach"], $matches, PREG_SET_ORDER);
+ if(cnt) {
+ $body .= "\n".t("Attachments:")."\n";
+ foreach($matches as $mtch)
+ $body .= "[".$mtch[3]."](".$mtch[1].")\n";
+ }
+ }
-function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
+ $location = array();
+ if ($item["location"] != "")
+ $location["address"] = $item["location"];
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-// $theiraddr = $contact['addr'];
+ if ($item["coord"] != "") {
+ $coord = explode(" ", $item["coord"]);
+ $location["lat"] = $coord[0];
+ $location["lng"] = $coord[1];
+ }
- // Diaspora doesn't support threaded comments, but some
- // versions of Diaspora (i.e. Diaspora-pistos) support
- // likes on comments
- if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
- $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
- dbesc($item['thr-parent'])
- );
- }
- else {
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
- intval($item['parent']),
- intval($item['parent'])
- );
- }
- if(count($p))
- $parent = $p[0];
- else
- return;
+ $message = array("raw_message" => $body,
+ "location" => $location,
+ "guid" => $item["guid"],
+ "diaspora_handle" => $myaddr,
+ "public" => $public,
+ "created_at" => $created,
+ "provider_display_name" => $item["app"]);
- $like = false;
- $relay_retract = false;
- $sql_sign_id = 'iid';
- if( $item['deleted']) {
- $relay_retract = true;
+ if (count($location) == 0)
+ unset($message["location"]);
- $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
+ $type = "status_message";
+ }
- $sql_sign_id = 'retract_iid';
- $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
+ return self::build_and_transmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
}
- elseif($item['verb'] === ACTIVITY_LIKE) {
- $like = true;
- $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
-// $positive = (($item['deleted']) ? 'false' : 'true');
- $positive = 'true';
+ private function construct_like($item, $owner) {
- $tpl = get_markup_template('diaspora_like_relay.tpl');
- }
- else { // item is a comment
- $tpl = get_markup_template('diaspora_comment_relay.tpl');
- }
+ $myaddr = self::my_handle($owner);
+ $p = q("SELECT `guid`, `uri`, `parent-uri` FROM `item` WHERE `uri` = '%s' LIMIT 1",
+ dbesc($item["thr-parent"]));
+ if(!$p)
+ return false;
- // fetch the original signature if the relayable was created by a Diaspora
- // or DFRN user. Relayables for other networks are not supported.
-
- $r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
- intval($item['id'])
- );
- if(count($r)) {
- $orig_sign = $r[0];
- $signed_text = $orig_sign['signed_text'];
- $authorsig = $orig_sign['signature'];
- $handle = $orig_sign['signer'];
+ $parent = $p[0];
- // Split the signed text
- $signed_parts = explode(";", $signed_text);
+ $target_type = ($parent["uri"] === $parent["parent-uri"] ? "Post" : "Comment");
+ $positive = "true";
- // Remove the parent guid
- array_shift($signed_parts);
+ return(array("positive" => $positive,
+ "guid" => $item["guid"],
+ "target_type" => $target_type,
+ "parent_guid" => $parent["guid"],
+ "author_signature" => $authorsig,
+ "diaspora_handle" => $myaddr));
+ }
- // Remove the comment guid
- array_shift($signed_parts);
+ private function construct_comment($item, $owner) {
- // Remove the handle
- array_pop($signed_parts);
+ $myaddr = self::my_handle($owner);
- // Glue the parts together
- $text = implode(";", $signed_parts);
- }
- else {
- // This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
- // This means that the comment won't be accepted by newer Diaspora servers
+ $p = q("SELECT `guid` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
+ intval($item["parent"]),
+ intval($item["parent"])
+ );
- $body = $item['body'];
- $text = html_entity_decode(bb2diaspora($body));
+ if (!$p)
+ return false;
- $handle = diaspora_handle_from_contact($item['contact-id']);
- if(! $handle)
- return;
+ $parent = $p[0];
- if($relay_retract)
- $signed_text = $item['guid'] . ';' . $target_type;
- elseif($like)
- $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
- else
- $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
+ $text = html_entity_decode(bb2diaspora($item["body"]));
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
+ return(array("guid" => $item["guid"],
+ "parent_guid" => $parent["guid"],
+ "author_signature" => "",
+ "text" => $text,
+ "diaspora_handle" => $myaddr));
}
- // Sign the relayable with the top-level owner's signature
- $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
-
- $msg = replace_macros($tpl,array(
- '$guid' => xmlify($item['guid']),
- '$parent_guid' => xmlify($parent['guid']),
- '$target_type' =>xmlify($target_type),
- '$authorsig' => xmlify($authorsig),
- '$parentsig' => xmlify($parentauthorsig),
- '$body' => xmlify($text),
- '$positive' => xmlify($positive),
- '$handle' => xmlify($handle)
- ));
+ public static function send_followup($item,$owner,$contact,$public_batch = false) {
- logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
- logger('send guid '.$item['guid'], LOGGER_DEBUG);
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
+ if($item['verb'] === ACTIVITY_LIKE) {
+ $message = self::construct_like($item, $owner);
+ $type = "like";
+ } else {
+ $message = self::construct_comment($item, $owner);
+ $type = "comment";
+ }
- return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
+ if (!$message)
+ return false;
-}
+ $message["author_signature"] = self::signature($owner, $message);
+ return self::build_and_transmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
+ }
+ private function message_from_signatur($item, $signature) {
-function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
+ // Split the signed text
+ $signed_parts = explode(";", $signature['signed_text']);
+
+ if ($item["deleted"])
+ $message = array("parent_author_signature" => "",
+ "target_guid" => $signed_parts[0],
+ "target_type" => $signed_parts[1],
+ "sender_handle" => $signature['signer'],
+ "target_author_signature" => $signature['signature']);
+ elseif ($item['verb'] === ACTIVITY_LIKE)
+ $message = array("positive" => $signed_parts[0],
+ "guid" => $signed_parts[1],
+ "target_type" => $signed_parts[2],
+ "parent_guid" => $signed_parts[3],
+ "parent_author_signature" => "",
+ "author_signature" => $signature['signature'],
+ "diaspora_handle" => $signed_parts[4]);
+ else {
+ // Remove the comment guid
+ $guid = array_shift($signed_parts);
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ // Remove the parent guid
+ $parent_guid = array_shift($signed_parts);
- // Check whether the retraction is for a top-level post or whether it's a relayable
- if( $item['uri'] !== $item['parent-uri'] ) {
+ // Remove the handle
+ $handle = array_pop($signed_parts);
- $tpl = get_markup_template('diaspora_relay_retraction.tpl');
- $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
- }
- else {
+ // Glue the parts together
+ $text = implode(";", $signed_parts);
- $tpl = get_markup_template('diaspora_signed_retract.tpl');
- $target_type = 'StatusMessage';
+ $message = array("guid" => $guid,
+ "parent_guid" => $parent_guid,
+ "parent_author_signature" => "",
+ "author_signature" => $signature['signature'],
+ "text" => implode(";", $signed_parts),
+ "diaspora_handle" => $handle);
+ }
+ return $message;
}
- $signed_text = $item['guid'] . ';' . $target_type;
+ public static function send_relay($item, $owner, $contact, $public_batch = false) {
- $msg = replace_macros($tpl, array(
- '$guid' => xmlify($item['guid']),
- '$type' => xmlify($target_type),
- '$handle' => xmlify($myaddr),
- '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
- ));
-
- logger('send guid '.$item['guid'], LOGGER_DEBUG);
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
-
- return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
-}
+ if ($item["deleted"]) {
+ $sql_sign_id = "retract_iid";
+ $type = "relayable_retraction";
+ } elseif ($item['verb'] === ACTIVITY_LIKE) {
+ $sql_sign_id = "iid";
+ $type = "like";
+ } else {
+ $sql_sign_id = "iid";
+ $type = "comment";
+ }
-function diaspora_send_mail($item,$owner,$contact) {
+ logger("Got relayable data ".$type." for item ".$item["guid"]." (".$item["id"].")", LOGGER_DEBUG);
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
+ // fetch the original signature
- $r = q("select * from conv where id = %d and uid = %d limit 1",
- intval($item['convid']),
- intval($item['uid'])
- );
+ $r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE `".$sql_sign_id."` = %d LIMIT 1",
+ intval($item["id"]));
- if(! count($r)) {
- logger('diaspora_send_mail: conversation not found.');
- return;
- }
- $cnv = $r[0];
-
- $conv = array(
- 'guid' => xmlify($cnv['guid']),
- 'subject' => xmlify($cnv['subject']),
- 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
- 'diaspora_handle' => xmlify($cnv['creator']),
- 'participant_handles' => xmlify($cnv['recips'])
- );
-
- $body = bb2diaspora($item['body']);
- $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
-
- $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
- . $created . ';' . $myaddr . ';' . $cnv['guid'];
-
- $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
-
- $msg = array(
- 'guid' => xmlify($item['guid']),
- 'parent_guid' => xmlify($cnv['guid']),
- 'parent_author_signature' => xmlify($sig),
- 'author_signature' => xmlify($sig),
- 'text' => xmlify($body),
- 'created_at' => xmlify($created),
- 'diaspora_handle' => xmlify($myaddr),
- 'conversation_guid' => xmlify($cnv['guid'])
- );
-
- if($item['reply']) {
- $tpl = get_markup_template('diaspora_message.tpl');
- $xmsg = replace_macros($tpl, array('$msg' => $msg));
- }
- else {
- $conv['messages'] = array($msg);
- $tpl = get_markup_template('diaspora_conversation.tpl');
- $xmsg = replace_macros($tpl, array('$conv' => $conv));
- }
+ if (!$r)
+ return self::send_followup($item, $owner, $contact, $public_batch);
- logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
- logger('send guid '.$item['guid'], LOGGER_DEBUG);
+ $signature = $r[0];
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
+ // Old way - is used by the internal Friendica functions
+ /// @todo Change all signatur storing functions to the new format
+ if ($signature['signed_text'] AND $signature['signature'] AND $signature['signer'])
+ $message = self::message_from_signatur($item, $signature);
+ else {// New way
+ $msg = json_decode($signature['signed_text'], true);
- return(diaspora_transmit($owner,$contact,$slap,false,false,$item['guid']));
+ $message = array();
+ foreach ($msg AS $field => $data) {
+ if (!$item["deleted"]) {
+ if ($field == "author")
+ $field = "diaspora_handle";
+ if ($field == "parent_type")
+ $field = "target_type";
+ }
+ $message[$field] = $data;
+ }
+ }
-}
+ if ($item["deleted"]) {
+ $signed_text = $message["target_guid"].';'.$message["target_type"];
+ $message["parent_author_signature"] = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
+ } else
+ $message["parent_author_signature"] = self::signature($owner, $message);
-function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false,$guid = "") {
+ logger("Relayed data ".print_r($message, true), LOGGER_DEBUG);
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- return 200;
+ return self::build_and_transmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
}
- $a = get_app();
- $logid = random_string(4);
- $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
- if(! $dest_url) {
- logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
- return 0;
- }
+ public static function send_retraction($item, $owner, $contact, $public_batch = false) {
- logger('diaspora_transmit: '.$logid.'-'.$guid.' '.$dest_url);
+ $myaddr = self::my_handle($owner);
- if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
- $return_code = 0;
- }
- else {
- if (!intval(get_config('system','diaspora_test'))) {
- post_url($dest_url . '/', $slap);
- $return_code = $a->get_curl_code();
+ // Check whether the retraction is for a top-level post or whether it's a relayable
+ if ($item["uri"] !== $item["parent-uri"]) {
+ $msg_type = "relayable_retraction";
+ $target_type = (($item["verb"] === ACTIVITY_LIKE) ? "Like" : "Comment");
} else {
- logger('diaspora_transmit: test_mode');
- return 200;
+ $msg_type = "signed_retraction";
+ $target_type = "StatusMessage";
}
+
+ $signed_text = $item["guid"].";".$target_type;
+
+ $message = array("target_guid" => $item['guid'],
+ "target_type" => $target_type,
+ "sender_handle" => $myaddr,
+ "target_author_signature" => base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')));
+
+ return self::build_and_transmit($owner, $contact, $msg_type, $message, $public_batch, $item["guid"]);
}
- logger('diaspora_transmit: '.$logid.'-'.$guid.' returns: '.$return_code);
+ public static function send_mail($item, $owner, $contact) {
- if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
- logger('diaspora_transmit: queue message');
+ $myaddr = self::my_handle($owner);
- $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
- intval($contact['id']),
- dbesc(NETWORK_DIASPORA),
- dbesc($slap),
- intval($public_batch)
+ $r = q("SELECT * FROM `conv` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($item["convid"]),
+ intval($item["uid"])
);
- if(count($r)) {
- logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
- }
- else {
- // queue message for redelivery
- add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
- }
- }
+ if (!$r) {
+ logger("conversation not found.");
+ return;
+ }
+ $cnv = $r[0];
+
+ $conv = array(
+ "guid" => $cnv["guid"],
+ "subject" => $cnv["subject"],
+ "created_at" => datetime_convert("UTC", "UTC", $cnv['created'], 'Y-m-d H:i:s \U\T\C'),
+ "diaspora_handle" => $cnv["creator"],
+ "participant_handles" => $cnv["recips"]
+ );
- return(($return_code) ? $return_code : (-1));
-}
+ $body = bb2diaspora($item["body"]);
+ $created = datetime_convert("UTC", "UTC", $item["created"], 'Y-m-d H:i:s \U\T\C');
+
+ $signed_text = $item["guid"].";".$cnv["guid"].";".$body.";".$created.";".$myaddr.";".$cnv['guid'];
+ $sig = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
+
+ $msg = array(
+ "guid" => $item["guid"],
+ "parent_guid" => $cnv["guid"],
+ "parent_author_signature" => $sig,
+ "author_signature" => $sig,
+ "text" => $body,
+ "created_at" => $created,
+ "diaspora_handle" => $myaddr,
+ "conversation_guid" => $cnv["guid"]
+ );
-function diaspora_fetch_relay() {
+ if ($item["reply"]) {
+ $message = $msg;
+ $type = "message";
+ } else {
+ $message = array("guid" => $cnv["guid"],
+ "subject" => $cnv["subject"],
+ "created_at" => datetime_convert("UTC", "UTC", $cnv['created'], 'Y-m-d H:i:s \U\T\C'),
+ "message" => $msg,
+ "diaspora_handle" => $cnv["creator"],
+ "participant_handles" => $cnv["recips"]);
+
+ $type = "conversation";
+ }
- $serverdata = get_config("system", "relay_server");
- if ($serverdata == "")
- return array();
+ return self::build_and_transmit($owner, $contact, $type, $message, false, $item["guid"]);
+ }
- $relay = array();
+ public static function send_profile($uid) {
- $servers = explode(",", $serverdata);
+ if (!$uid)
+ return;
- foreach($servers AS $server) {
- $server = trim($server);
- $batch = $server."/receive/public";
+ $recips = q("SELECT `id`,`name`,`network`,`pubkey`,`notify` FROM `contact` WHERE `network` = '%s'
+ AND `uid` = %d AND `rel` != %d",
+ dbesc(NETWORK_DIASPORA),
+ intval($uid),
+ intval(CONTACT_IS_SHARING)
+ );
+ if (!$recips)
+ return;
- $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
+ $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.*, `user`.`prvkey` AS `uprvkey`, `contact`.`addr`
+ FROM `profile`
+ INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
+ INNER JOIN `contact` ON `profile`.`uid` = `contact`.`uid`
+ WHERE `user`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
+ intval($uid)
+ );
- if (!$relais) {
- $addr = "relay@".str_replace("http://", "", normalise_link($server));
+ if (!$r)
+ return;
- $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
- VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
- datetime_convert(),
- dbesc($addr),
- dbesc($addr),
- dbesc($server),
- dbesc(normalise_link($server)),
- dbesc($batch),
- dbesc(NETWORK_DIASPORA),
- intval(CONTACT_IS_FOLLOWER),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- dbesc(datetime_convert())
- );
+ $profile = $r[0];
+
+ $handle = $profile["addr"];
+ $first = ((strpos($profile['name'],' ')
+ ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']));
+ $last = (($first === $profile['name']) ? '' : trim(substr($profile['name'], strlen($first))));
+ $large = App::get_baseurl().'/photo/custom/300/'.$profile['uid'].'.jpg';
+ $medium = App::get_baseurl().'/photo/custom/100/'.$profile['uid'].'.jpg';
+ $small = App::get_baseurl().'/photo/custom/50/' .$profile['uid'].'.jpg';
+ $searchable = (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false');
+
+ if ($searchable === 'true') {
+ $dob = '1000-00-00';
+
+ if (($profile['dob']) && ($profile['dob'] != '0000-00-00'))
+ $dob = ((intval($profile['dob'])) ? intval($profile['dob']) : '1000') .'-'. datetime_convert('UTC','UTC',$profile['dob'],'m-d');
+
+ $about = $profile['about'];
+ $about = strip_tags(bbcode($about));
+
+ $location = formatted_location($profile);
+ $tags = '';
+ if ($profile['pub_keywords']) {
+ $kw = str_replace(',',' ',$profile['pub_keywords']);
+ $kw = str_replace(' ',' ',$kw);
+ $arr = explode(' ',$profile['pub_keywords']);
+ if (count($arr)) {
+ for($x = 0; $x < 5; $x ++) {
+ if (trim($arr[$x]))
+ $tags .= '#'. trim($arr[$x]) .' ';
+ }
+ }
+ }
+ $tags = trim($tags);
+ }
- $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
- if ($relais)
- $relay[] = $relais[0];
- } else
- $relay[] = $relais[0];
+ $message = array("diaspora_handle" => $handle,
+ "first_name" => $first,
+ "last_name" => $last,
+ "image_url" => $large,
+ "image_url_medium" => $medium,
+ "image_url_small" => $small,
+ "birthday" => $dob,
+ "gender" => $profile['gender'],
+ "bio" => $about,
+ "location" => $location,
+ "searchable" => $searchable,
+ "tag_string" => $tags);
+
+ foreach($recips as $recip)
+ self::build_and_transmit($profile, $recip, "profile", $message, false, "", true);
}
-
- return $relay;
}
+?>
+++ /dev/null
-<?php
-/**
- * @file include/diaspora.php
- * @brief The implementation of the diaspora protocol
- */
-
-require_once("include/items.php");
-require_once("include/bb2diaspora.php");
-require_once("include/Scrape.php");
-require_once("include/Contact.php");
-require_once("include/Photo.php");
-require_once("include/socgraph.php");
-require_once("include/group.php");
-require_once("include/xml.php");
-require_once("include/datetime.php");
-
-/**
- * @brief This class contain functions to create and send Diaspora XML files
- *
- */
-class diaspora {
-
- public static function relay_list() {
-
- $serverdata = get_config("system", "relay_server");
- if ($serverdata == "")
- return array();
-
- $relay = array();
-
- $servers = explode(",", $serverdata);
-
- foreach($servers AS $server) {
- $server = trim($server);
- $batch = $server."/receive/public";
-
- $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
-
- if (!$relais) {
- $addr = "relay@".str_replace("http://", "", normalise_link($server));
-
- $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
- VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
- datetime_convert(),
- dbesc($addr),
- dbesc($addr),
- dbesc($server),
- dbesc(normalise_link($server)),
- dbesc($batch),
- dbesc(NETWORK_DIASPORA),
- intval(CONTACT_IS_FOLLOWER),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- dbesc(datetime_convert())
- );
-
- $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
- if ($relais)
- $relay[] = $relais[0];
- } else
- $relay[] = $relais[0];
- }
-
- return $relay;
- }
-
- function repair_signature($signature, $handle = "", $level = 1) {
-
- if ($signature == "")
- return ($signature);
-
- if (base64_encode(base64_decode(base64_decode($signature))) == base64_decode($signature)) {
- $signature = base64_decode($signature);
- logger("Repaired double encoded signature from Diaspora/Hubzilla handle ".$handle." - level ".$level, LOGGER_DEBUG);
-
- // Do a recursive call to be able to fix even multiple levels
- if ($level < 10)
- $signature = self::repair_signature($signature, $handle, ++$level);
- }
-
- return($signature);
- }
-
- /**
- * @brief: Decodes incoming Diaspora message
- *
- * @param array $importer from user table
- * @param string $xml urldecoded Diaspora salmon
- *
- * @return array
- * 'message' -> decoded Diaspora XML message
- * 'author' -> author diaspora handle
- * 'key' -> author public key (converted to pkcs#8)
- */
- function decode($importer, $xml) {
-
- $public = false;
- $basedom = parse_xml_string($xml);
-
- if (!is_object($basedom))
- return false;
-
- $children = $basedom->children('https://joindiaspora.com/protocol');
-
- if($children->header) {
- $public = true;
- $author_link = str_replace('acct:','',$children->header->author_id);
- } else {
-
- $encrypted_header = json_decode(base64_decode($children->encrypted_header));
-
- $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
- $ciphertext = base64_decode($encrypted_header->ciphertext);
-
- $outer_key_bundle = '';
- openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
-
- $j_outer_key_bundle = json_decode($outer_key_bundle);
-
- $outer_iv = base64_decode($j_outer_key_bundle->iv);
- $outer_key = base64_decode($j_outer_key_bundle->key);
-
- $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
-
-
- $decrypted = pkcs5_unpad($decrypted);
-
- /**
- * $decrypted now contains something like
- *
- * <decrypted_header>
- * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
- * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
- * <author_id>galaxor@diaspora.priateship.org</author_id>
- * </decrypted_header>
- */
-
- logger('decrypted: '.$decrypted, LOGGER_DEBUG);
- $idom = parse_xml_string($decrypted,false);
-
- $inner_iv = base64_decode($idom->iv);
- $inner_aes_key = base64_decode($idom->aes_key);
-
- $author_link = str_replace('acct:','',$idom->author_id);
- }
-
- $dom = $basedom->children(NAMESPACE_SALMON_ME);
-
- // figure out where in the DOM tree our data is hiding
-
- if($dom->provenance->data)
- $base = $dom->provenance;
- elseif($dom->env->data)
- $base = $dom->env;
- elseif($dom->data)
- $base = $dom;
-
- if (!$base) {
- logger('unable to locate salmon data in xml');
- http_status_exit(400);
- }
-
-
- // Stash the signature away for now. We have to find their key or it won't be good for anything.
- $signature = base64url_decode($base->sig);
-
- // unpack the data
-
- // strip whitespace so our data element will return to one big base64 blob
- $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
-
-
- // stash away some other stuff for later
-
- $type = $base->data[0]->attributes()->type[0];
- $keyhash = $base->sig[0]->attributes()->keyhash[0];
- $encoding = $base->encoding;
- $alg = $base->alg;
-
-
- $signed_data = $data.'.'.base64url_encode($type).'.'.base64url_encode($encoding).'.'.base64url_encode($alg);
-
-
- // decode the data
- $data = base64url_decode($data);
-
-
- if($public)
- $inner_decrypted = $data;
- else {
-
- // Decode the encrypted blob
-
- $inner_encrypted = base64_decode($data);
- $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
- $inner_decrypted = pkcs5_unpad($inner_decrypted);
- }
-
- if (!$author_link) {
- logger('Could not retrieve author URI.');
- http_status_exit(400);
- }
- // Once we have the author URI, go to the web and try to find their public key
- // (first this will look it up locally if it is in the fcontact cache)
- // This will also convert diaspora public key from pkcs#1 to pkcs#8
-
- logger('Fetching key for '.$author_link);
- $key = self::key($author_link);
-
- if (!$key) {
- logger('Could not retrieve author key.');
- http_status_exit(400);
- }
-
- $verify = rsa_verify($signed_data,$signature,$key);
-
- if (!$verify) {
- logger('Message did not verify. Discarding.');
- http_status_exit(400);
- }
-
- logger('Message verified.');
-
- return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
-
- }
-
-
- /**
- * @brief Dispatches public messages and find the fitting receivers
- *
- * @param array $msg The post that will be dispatched
- *
- * @return bool Was the message accepted?
- */
- public static function dispatch_public($msg) {
-
- $enabled = intval(get_config("system", "diaspora_enabled"));
- if (!$enabled) {
- logger("diaspora is disabled");
- return false;
- }
-
- // Use a dummy importer to import the data for the public copy
- $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
- $item_id = self::dispatch($importer,$msg);
-
- // Now distribute it to the followers
- $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
- (SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s')
- AND NOT `account_expired` AND NOT `account_removed`",
- dbesc(NETWORK_DIASPORA),
- dbesc($msg["author"])
- );
- if($r) {
- foreach($r as $rr) {
- logger("delivering to: ".$rr["username"]);
- self::dispatch($rr,$msg);
- }
- } else
- logger("No subscribers for ".$msg["author"]." ".print_r($msg, true));
-
- return $item_id;
- }
-
- /**
- * @brief Dispatches the different message types to the different functions
- *
- * @param array $importer Array of the importer user
- * @param array $msg The post that will be dispatched
- *
- * @return bool Was the message accepted?
- */
- public static function dispatch($importer, $msg) {
-
- // The sender is the handle of the contact that sent the message.
- // This will often be different with relayed messages (for example "like" and "comment")
- $sender = $msg["author"];
-
- if (!diaspora::valid_posting($msg, $fields)) {
- logger("Invalid posting");
- return false;
- }
-
- $type = $fields->getName();
-
- logger("Received message type ".$type." from ".$sender." for user ".$importer["uid"], LOGGER_DEBUG);
-
- switch ($type) {
- case "account_deletion":
- return self::receive_account_deletion($importer, $fields);
-
- case "comment":
- return self::receive_comment($importer, $sender, $fields);
-
- case "conversation":
- return self::receive_conversation($importer, $msg, $fields);
-
- case "like":
- return self::receive_like($importer, $sender, $fields);
-
- case "message":
- return self::receive_message($importer, $fields);
-
- case "participation": // Not implemented
- return self::receive_participation($importer, $fields);
-
- case "photo": // Not implemented
- return self::receive_photo($importer, $fields);
-
- case "poll_participation": // Not implemented
- return self::receive_poll_participation($importer, $fields);
-
- case "profile":
- return self::receive_profile($importer, $fields);
-
- case "request":
- return self::receive_request($importer, $fields);
-
- case "reshare":
- return self::receive_reshare($importer, $fields);
-
- case "retraction":
- return self::receive_retraction($importer, $sender, $fields);
-
- case "status_message":
- return self::receive_status_message($importer, $fields);
-
- default:
- logger("Unknown message type ".$type);
- return false;
- }
-
- return true;
- }
-
- /**
- * @brief Checks if a posting is valid and fetches the data fields.
- *
- * This function does not only check the signature.
- * It also does the conversion between the old and the new diaspora format.
- *
- * @param array $msg Array with the XML, the sender handle and the sender signature
- * @param object $fields SimpleXML object that contains the posting when it is valid
- *
- * @return bool Is the posting valid?
- */
- private function valid_posting($msg, &$fields) {
-
- $data = parse_xml_string($msg["message"], false);
-
- if (!is_object($data))
- return false;
-
- $first_child = $data->getName();
-
- // Is this the new or the old version?
- if ($data->getName() == "XML") {
- $oldXML = true;
- foreach ($data->post->children() as $child)
- $element = $child;
- } else {
- $oldXML = false;
- $element = $data;
- }
-
- $type = $element->getName();
- $orig_type = $type;
-
- // All retractions are handled identically from now on.
- // In the new version there will only be "retraction".
- if (in_array($type, array("signed_retraction", "relayable_retraction")))
- $type = "retraction";
-
- $fields = new SimpleXMLElement("<".$type."/>");
-
- $signed_data = "";
-
- foreach ($element->children() AS $fieldname => $entry) {
- if ($oldXML) {
- // Translation for the old XML structure
- if ($fieldname == "diaspora_handle")
- $fieldname = "author";
-
- if ($fieldname == "participant_handles")
- $fieldname = "participants";
-
- if (in_array($type, array("like", "participation"))) {
- if ($fieldname == "target_type")
- $fieldname = "parent_type";
- }
-
- if ($fieldname == "sender_handle")
- $fieldname = "author";
-
- if ($fieldname == "recipient_handle")
- $fieldname = "recipient";
-
- if ($fieldname == "root_diaspora_id")
- $fieldname = "root_author";
-
- if ($type == "retraction") {
- if ($fieldname == "post_guid")
- $fieldname = "target_guid";
-
- if ($fieldname == "type")
- $fieldname = "target_type";
- }
- }
-
- if ($fieldname == "author_signature")
- $author_signature = base64_decode($entry);
- elseif ($fieldname == "parent_author_signature")
- $parent_author_signature = base64_decode($entry);
- elseif ($fieldname != "target_author_signature") {
- if ($signed_data != "") {
- $signed_data .= ";";
- $signed_data_parent .= ";";
- }
-
- $signed_data .= $entry;
- }
- if (!in_array($fieldname, array("parent_author_signature", "target_author_signature")) OR
- ($orig_type == "relayable_retraction"))
- xml::copy($entry, $fields, $fieldname);
- }
-
- // This is something that shouldn't happen at all.
- if (in_array($type, array("status_message", "reshare", "profile")))
- if ($msg["author"] != $fields->author) {
- logger("Message handle is not the same as envelope sender. Quitting this message.");
- return false;
- }
-
- // Only some message types have signatures. So we quit here for the other types.
- if (!in_array($type, array("comment", "message", "like")))
- return true;
-
- // No author_signature? This is a must, so we quit.
- if (!isset($author_signature))
- return false;
-
- if (isset($parent_author_signature)) {
- $key = self::key($msg["author"]);
-
- if (!rsa_verify($signed_data, $parent_author_signature, $key, "sha256"))
- return false;
- }
-
- $key = self::key($fields->author);
-
- return rsa_verify($signed_data, $author_signature, $key, "sha256");
- }
-
- /**
- * @brief Fetches the public key for a given handle
- *
- * @param string $handle The handle
- *
- * @return string The public key
- */
- private function key($handle) {
- $handle = strval($handle);
-
- logger("Fetching diaspora key for: ".$handle);
-
- $r = self::person_by_handle($handle);
- if($r)
- return $r["pubkey"];
-
- return "";
- }
-
- /**
- * @brief Fetches data for a given handle
- *
- * @param string $handle The handle
- *
- * @return array the queried data
- */
- private function person_by_handle($handle) {
-
- $r = q("SELECT * FROM `fcontact` WHERE `network` = '%s' AND `addr` = '%s' LIMIT 1",
- dbesc(NETWORK_DIASPORA),
- dbesc($handle)
- );
- if ($r) {
- $person = $r[0];
- logger("In cache ".print_r($r,true), LOGGER_DEBUG);
-
- // update record occasionally so it doesn't get stale
- $d = strtotime($person["updated"]." +00:00");
- if ($d < strtotime("now - 14 days"))
- $update = true;
- }
-
- if (!$person OR $update) {
- logger("create or refresh", LOGGER_DEBUG);
- $r = probe_url($handle, PROBE_DIASPORA);
-
- // Note that Friendica contacts will return a "Diaspora person"
- // if Diaspora connectivity is enabled on their server
- if ($r AND ($r["network"] === NETWORK_DIASPORA)) {
- self::add_fcontact($r, $update);
- $person = $r;
- }
- }
- return $person;
- }
-
- /**
- * @brief Updates the fcontact table
- *
- * @param array $arr The fcontact data
- * @param bool $update Update or insert?
- *
- * @return string The id of the fcontact entry
- */
- private function add_fcontact($arr, $update = false) {
- /// @todo Remove this function from include/network.php
-
- if($update) {
- $r = q("UPDATE `fcontact` SET
- `name` = '%s',
- `photo` = '%s',
- `request` = '%s',
- `nick` = '%s',
- `addr` = '%s',
- `batch` = '%s',
- `notify` = '%s',
- `poll` = '%s',
- `confirm` = '%s',
- `alias` = '%s',
- `pubkey` = '%s',
- `updated` = '%s'
- WHERE `url` = '%s' AND `network` = '%s'",
- dbesc($arr["name"]),
- dbesc($arr["photo"]),
- dbesc($arr["request"]),
- dbesc($arr["nick"]),
- dbesc($arr["addr"]),
- dbesc($arr["batch"]),
- dbesc($arr["notify"]),
- dbesc($arr["poll"]),
- dbesc($arr["confirm"]),
- dbesc($arr["alias"]),
- dbesc($arr["pubkey"]),
- dbesc(datetime_convert()),
- dbesc($arr["url"]),
- dbesc($arr["network"])
- );
- } else {
- $r = q("INSERT INTO `fcontact` (`url`,`name`,`photo`,`request`,`nick`,`addr`,
- `batch`, `notify`,`poll`,`confirm`,`network`,`alias`,`pubkey`,`updated`)
- VALUES ('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')",
- dbesc($arr["url"]),
- dbesc($arr["name"]),
- dbesc($arr["photo"]),
- dbesc($arr["request"]),
- dbesc($arr["nick"]),
- dbesc($arr["addr"]),
- dbesc($arr["batch"]),
- dbesc($arr["notify"]),
- dbesc($arr["poll"]),
- dbesc($arr["confirm"]),
- dbesc($arr["network"]),
- dbesc($arr["alias"]),
- dbesc($arr["pubkey"]),
- dbesc(datetime_convert())
- );
- }
-
- return $r;
- }
-
- public static function handle_from_contact($contact_id) {
- $handle = False;
-
- logger("contact id is ".$contact_id, LOGGER_DEBUG);
-
- $r = q("SELECT `network`, `addr`, `self`, `url`, `nick` FROM `contact` WHERE `id` = %d",
- intval($contact_id)
- );
- if($r) {
- $contact = $r[0];
-
- logger("contact 'self' = ".$contact['self']." 'url' = ".$contact['url'], LOGGER_DEBUG);
-
- if($contact['addr'] != "")
- $handle = $contact['addr'];
- elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
- $baseurl_start = strpos($contact['url'],'://') + 3;
- $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
- $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
- $handle = $contact['nick'].'@'.$baseurl;
- }
- }
-
- return $handle;
- }
-
- private function contact_by_handle($uid, $handle) {
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `addr` = '%s' LIMIT 1",
- intval($uid),
- dbesc($handle)
- );
-
- if ($r)
- return $r[0];
-
- $handle_parts = explode("@", $handle);
- $nurl_sql = "%%://".$handle_parts[1]."%%/profile/".$handle_parts[0];
- $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `nurl` LIKE '%s' LIMIT 1",
- dbesc(NETWORK_DFRN),
- intval($uid),
- dbesc($nurl_sql)
- );
- if($r)
- return $r[0];
-
- return false;
- }
-
- private function post_allow($importer, $contact, $is_comment = false) {
-
- // perhaps we were already sharing with this person. Now they're sharing with us.
- // That makes us friends.
- // Normally this should have handled by getting a request - but this could get lost
- if($contact["rel"] == CONTACT_IS_FOLLOWER && in_array($importer["page-flags"], array(PAGE_FREELOVE))) {
- q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
- intval(CONTACT_IS_FRIEND),
- intval($contact["id"]),
- intval($importer["uid"])
- );
- $contact["rel"] = CONTACT_IS_FRIEND;
- logger("defining user ".$contact["nick"]." as friend");
- }
-
- if(($contact["blocked"]) || ($contact["readonly"]) || ($contact["archive"]))
- return false;
- if($contact["rel"] == CONTACT_IS_SHARING || $contact["rel"] == CONTACT_IS_FRIEND)
- return true;
- if($contact["rel"] == CONTACT_IS_FOLLOWER)
- if(($importer["page-flags"] == PAGE_COMMUNITY) OR $is_comment)
- return true;
-
- // Messages for the global users are always accepted
- if ($importer["uid"] == 0)
- return true;
-
- return false;
- }
-
- private function allowed_contact_by_handle($importer, $handle, $is_comment = false) {
- $contact = self::contact_by_handle($importer["uid"], $handle);
- if (!$contact) {
- logger("A Contact for handle ".$handle." and user ".$importer["uid"]." was not found");
- return false;
- }
-
- if (!self::post_allow($importer, $contact, $is_comment)) {
- logger("The handle: ".$handle." is not allowed to post to user ".$importer["uid"]);
- return false;
- }
- return $contact;
- }
-
- private function message_exists($uid, $guid) {
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($uid),
- dbesc($guid)
- );
-
- if($r) {
- logger("message ".$guid." already exists for user ".$uid);
- return true;
- }
-
- return false;
- }
-
- private function fetch_guid($item) {
- preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
- function ($match) use ($item){
- return(self::fetch_guid_sub($match, $item));
- },$item["body"]);
- }
-
- private function fetch_guid_sub($match, $item) {
- if (!self::store_by_guid($match[1], $item["author-link"]))
- self::store_by_guid($match[1], $item["owner-link"]);
- }
-
- private function store_by_guid($guid, $server, $uid = 0) {
- $serverparts = parse_url($server);
- $server = $serverparts["scheme"]."://".$serverparts["host"];
-
- logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
-
- $msg = self::message($guid, $server);
-
- if (!$msg)
- return false;
-
- logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
-
- // Now call the dispatcher
- return self::dispatch_public($msg);
- }
-
- private function message($guid, $server, $level = 0) {
-
- if ($level > 5)
- return false;
-
- // This will work for Diaspora and newer Friendica servers
- $source_url = $server."/p/".$guid.".xml";
- $x = fetch_url($source_url);
- if(!$x)
- return false;
-
- $source_xml = parse_xml_string($x, false);
-
- if (!is_object($source_xml))
- return false;
-
- if ($source_xml->post->reshare) {
- // Reshare of a reshare - old Diaspora version
- return self::message($source_xml->post->reshare->root_guid, $server, ++$level);
- } elseif ($source_xml->getName() == "reshare") {
- // Reshare of a reshare - new Diaspora version
- return self::message($source_xml->root_guid, $server, ++$level);
- }
-
- $author = "";
-
- // Fetch the author - for the old and the new Diaspora version
- if ($source_xml->post->status_message->diaspora_handle)
- $author = (string)$source_xml->post->status_message->diaspora_handle;
- elseif ($source_xml->author AND ($source_xml->getName() == "status_message"))
- $author = (string)$source_xml->author;
-
- // If this isn't a "status_message" then quit
- if (!$author)
- return false;
-
- $msg = array("message" => $x, "author" => $author);
-
- $msg["key"] = self::key($msg["author"]);
-
- return $msg;
- }
-
- private function parent_item($uid, $guid, $author, $contact) {
- $r = q("SELECT `id`, `body`, `wall`, `uri`, `private`, `origin`,
- `author-name`, `author-link`, `author-avatar`,
- `owner-name`, `owner-link`, `owner-avatar`
- FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($uid), dbesc($guid));
-
- if(!$r) {
- $result = self::store_by_guid($guid, $contact["url"], $uid);
-
- if (!$result) {
- $person = self::person_by_handle($author);
- $result = self::store_by_guid($guid, $person["url"], $uid);
- }
-
- if ($result) {
- logger("Fetched missing item ".$guid." - result: ".$result, LOGGER_DEBUG);
-
- $r = q("SELECT `id`, `body`, `wall`, `uri`, `private`, `origin`,
- `author-name`, `author-link`, `author-avatar`,
- `owner-name`, `owner-link`, `owner-avatar`
- FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($uid), dbesc($guid));
- }
- }
-
- if (!$r) {
- logger("parent item not found: parent: ".$guid." - user: ".$uid);
- return false;
- } else {
- logger("parent item found: parent: ".$guid." - user: ".$uid);
- return $r[0];
- }
- }
-
- private function author_contact_by_url($contact, $person, $uid) {
-
- $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
- dbesc(normalise_link($person["url"])), intval($uid));
- if ($r) {
- $cid = $r[0]["id"];
- $network = $r[0]["network"];
- } else {
- $cid = $contact["id"];
- $network = NETWORK_DIASPORA;
- }
-
- return (array("cid" => $cid, "network" => $network));
- }
-
- public static function is_redmatrix($url) {
- return(strstr($url, "/channel/"));
- }
-
- private function plink($addr, $guid) {
- $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", dbesc($addr));
-
- // Fallback
- if (!$r)
- return "https://".substr($addr,strpos($addr,"@")+1)."/posts/".$guid;
-
- // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
- // So we try another way as well.
- $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
- if ($s)
- $r[0]["network"] = $s[0]["network"];
-
- if ($r[0]["network"] == NETWORK_DFRN)
- return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
-
- if (self::is_redmatrix($r[0]["url"]))
- return $r[0]["url"]."/?f=&mid=".$guid;
-
- return "https://".substr($addr,strpos($addr,"@")+1)."/posts/".$guid;
- }
-
- private function receive_account_deletion($importer, $data) {
- $author = notags(unxmlify($data->author));
-
- $contact = self::contact_by_handle($importer["uid"], $author);
- if (!$contact) {
- logger("cannot find contact for author: ".$author);
- return false;
- }
-
- // We now remove the contact
- contact_remove($contact["id"]);
- return true;
- }
-
- private function receive_comment($importer, $sender, $data) {
- $guid = notags(unxmlify($data->guid));
- $parent_guid = notags(unxmlify($data->parent_guid));
- $text = unxmlify($data->text);
- $author = notags(unxmlify($data->author));
-
- $contact = self::allowed_contact_by_handle($importer, $sender, true);
- if (!$contact)
- return false;
-
- if (self::message_exists($importer["uid"], $guid))
- return false;
-
- $parent_item = self::parent_item($importer["uid"], $parent_guid, $author, $contact);
- if (!$parent_item)
- return false;
-
- $person = self::person_by_handle($author);
- if (!is_array($person)) {
- logger("unable to find author details");
- return false;
- }
-
- // Fetch the contact id - if we know this contact
- $author_contact = self::author_contact_by_url($contact, $person, $importer["uid"]);
-
- $datarray = array();
-
- $datarray["uid"] = $importer["uid"];
- $datarray["contact-id"] = $author_contact["cid"];
- $datarray["network"] = $author_contact["network"];
-
- $datarray["author-name"] = $person["name"];
- $datarray["author-link"] = $person["url"];
- $datarray["author-avatar"] = ((x($person,"thumb")) ? $person["thumb"] : $person["photo"]);
-
- $datarray["owner-name"] = $contact["name"];
- $datarray["owner-link"] = $contact["url"];
- $datarray["owner-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
-
- $datarray["guid"] = $guid;
- $datarray["uri"] = $author.":".$guid;
-
- $datarray["type"] = "remote-comment";
- $datarray["verb"] = ACTIVITY_POST;
- $datarray["gravity"] = GRAVITY_COMMENT;
- $datarray["parent-uri"] = $parent_item["uri"];
-
- $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
- $datarray["object"] = json_encode($data);
-
- $datarray["body"] = diaspora2bb($text);
-
- self::fetch_guid($datarray);
-
- $message_id = item_store($datarray);
-
- if ($message_id)
- logger("Stored comment ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
-
- // If we are the origin of the parent we store the original data and notify our followers
- if($message_id AND $parent_item["origin"]) {
-
- // Formerly we stored the signed text, the signature and the author in different fields.
- // We now store the raw data so that we are more flexible.
- q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
- intval($message_id),
- dbesc(json_encode($data))
- );
-
- // notify others
- proc_run("php", "include/notifier.php", "comment-import", $message_id);
- }
-
- return $message_id;
- }
-
- private function receive_conversation_message($importer, $contact, $data, $msg, $mesg, $conversation) {
- $guid = notags(unxmlify($data->guid));
- $subject = notags(unxmlify($data->subject));
- $author = notags(unxmlify($data->author));
-
- $reply = 0;
-
- $msg_guid = notags(unxmlify($mesg->guid));
- $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
- $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
- $msg_author_signature = notags(unxmlify($mesg->author_signature));
- $msg_text = unxmlify($mesg->text);
- $msg_created_at = datetime_convert("UTC", "UTC", notags(unxmlify($mesg->created_at)));
-
- // "diaspora_handle" is the element name from the old version
- // "author" is the element name from the new version
- if ($mesg->author)
- $msg_author = notags(unxmlify($mesg->author));
- elseif ($mesg->diaspora_handle)
- $msg_author = notags(unxmlify($mesg->diaspora_handle));
- else
- return false;
-
- $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
-
- if($msg_conversation_guid != $guid) {
- logger("message conversation guid does not belong to the current conversation.");
- return false;
- }
-
- $body = diaspora2bb($msg_text);
- $message_uri = $msg_author.":".$msg_guid;
-
- $author_signed_data = $msg_guid.";".$msg_parent_guid.";".$msg_text.";".unxmlify($mesg->created_at).";".$msg_author.";".$msg_conversation_guid;
-
- $author_signature = base64_decode($msg_author_signature);
-
- if(strcasecmp($msg_author,$msg["author"]) == 0) {
- $person = $contact;
- $key = $msg["key"];
- } else {
- $person = self::person_by_handle($msg_author);
-
- if (is_array($person) && x($person, "pubkey"))
- $key = $person["pubkey"];
- else {
- logger("unable to find author details");
- return false;
- }
- }
-
- if (!rsa_verify($author_signed_data, $author_signature, $key, "sha256")) {
- logger("verification failed.");
- return false;
- }
-
- if($msg_parent_author_signature) {
- $owner_signed_data = $msg_guid.";".$msg_parent_guid.";".$msg_text.";".unxmlify($mesg->created_at).";".$msg_author.";".$msg_conversation_guid;
-
- $parent_author_signature = base64_decode($msg_parent_author_signature);
-
- $key = $msg["key"];
-
- if (!rsa_verify($owner_signed_data, $parent_author_signature, $key, "sha256")) {
- logger("owner verification failed.");
- return false;
- }
- }
-
- $r = q("SELECT `id` FROM `mail` WHERE `uri` = '%s' LIMIT 1",
- dbesc($message_uri)
- );
- if($r) {
- logger("duplicate message already delivered.", LOGGER_DEBUG);
- return false;
- }
-
- q("INSERT INTO `mail` (`uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`)
- VALUES (%d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
- intval($importer["uid"]),
- dbesc($msg_guid),
- intval($conversation["id"]),
- dbesc($person["name"]),
- dbesc($person["photo"]),
- dbesc($person["url"]),
- intval($contact["id"]),
- dbesc($subject),
- dbesc($body),
- 0,
- 0,
- dbesc($message_uri),
- dbesc($author.":".$guid),
- dbesc($msg_created_at)
- );
-
- q("UPDATE `conv` SET `updated` = '%s' WHERE `id` = %d",
- dbesc(datetime_convert()),
- intval($conversation["id"])
- );
-
- notification(array(
- "type" => NOTIFY_MAIL,
- "notify_flags" => $importer["notify-flags"],
- "language" => $importer["language"],
- "to_name" => $importer["username"],
- "to_email" => $importer["email"],
- "uid" =>$importer["uid"],
- "item" => array("subject" => $subject, "body" => $body),
- "source_name" => $person["name"],
- "source_link" => $person["url"],
- "source_photo" => $person["thumb"],
- "verb" => ACTIVITY_POST,
- "otype" => "mail"
- ));
- }
-
- private function receive_conversation($importer, $msg, $data) {
- $guid = notags(unxmlify($data->guid));
- $subject = notags(unxmlify($data->subject));
- $created_at = datetime_convert("UTC", "UTC", notags(unxmlify($data->created_at)));
- $author = notags(unxmlify($data->author));
- $participants = notags(unxmlify($data->participants));
-
- $messages = $data->message;
-
- if (!count($messages)) {
- logger("empty conversation");
- return false;
- }
-
- $contact = self::allowed_contact_by_handle($importer, $msg["author"], true);
- if (!$contact)
- return false;
-
- $conversation = null;
-
- $c = q("SELECT * FROM `conv` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer["uid"]),
- dbesc($guid)
- );
- if($c)
- $conversation = $c[0];
- else {
- $r = q("INSERT INTO `conv` (`uid`, `guid`, `creator`, `created`, `updated`, `subject`, `recips`)
- VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s')",
- intval($importer["uid"]),
- dbesc($guid),
- dbesc($author),
- dbesc(datetime_convert("UTC", "UTC", $created_at)),
- dbesc(datetime_convert()),
- dbesc($subject),
- dbesc($participants)
- );
- if($r)
- $c = q("SELECT * FROM `conv` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer["uid"]),
- dbesc($guid)
- );
-
- if($c)
- $conversation = $c[0];
- }
- if (!$conversation) {
- logger("unable to create conversation.");
- return;
- }
-
- foreach($messages as $mesg)
- self::receive_conversation_message($importer, $contact, $data, $msg, $mesg, $conversation);
-
- return true;
- }
-
- private function construct_like_body($contact, $parent_item, $guid) {
- $bodyverb = t('%1$s likes %2$s\'s %3$s');
-
- $ulink = "[url=".$contact["url"]."]".$contact["name"]."[/url]";
- $alink = "[url=".$parent_item["author-link"]."]".$parent_item["author-name"]."[/url]";
- $plink = "[url=".App::get_baseurl()."/display/".urlencode($guid)."]".t("status")."[/url]";
-
- return sprintf($bodyverb, $ulink, $alink, $plink);
- }
-
- private function construct_like_object($importer, $parent_item) {
- $objtype = ACTIVITY_OBJ_NOTE;
- $link = '<link rel="alternate" type="text/html" href="'.App::get_baseurl()."/display/".$importer["nickname"]."/".$parent_item["id"].'" />';
- $parent_body = $parent_item["body"];
-
- $xmldata = array("object" => array("type" => $objtype,
- "local" => "1",
- "id" => $parent_item["uri"],
- "link" => $link,
- "title" => "",
- "content" => $parent_body));
-
- return xml::from_array($xmldata, $xml, true);
- }
-
- private function receive_like($importer, $sender, $data) {
- $positive = notags(unxmlify($data->positive));
- $guid = notags(unxmlify($data->guid));
- $parent_type = notags(unxmlify($data->parent_type));
- $parent_guid = notags(unxmlify($data->parent_guid));
- $author = notags(unxmlify($data->author));
-
- // likes on comments aren't supported by Diaspora - only on posts
- // But maybe this will be supported in the future, so we will accept it.
- if (!in_array($parent_type, array("Post", "Comment")))
- return false;
-
- $contact = self::allowed_contact_by_handle($importer, $sender, true);
- if (!$contact)
- return false;
-
- if (self::message_exists($importer["uid"], $guid))
- return false;
-
- $parent_item = self::parent_item($importer["uid"], $parent_guid, $author, $contact);
- if (!$parent_item)
- return false;
-
- $person = self::person_by_handle($author);
- if (!is_array($person)) {
- logger("unable to find author details");
- return false;
- }
-
- // Fetch the contact id - if we know this contact
- $author_contact = self::author_contact_by_url($contact, $person, $importer["uid"]);
-
- // "positive" = "false" would be a Dislike - wich isn't currently supported by Diaspora
- // We would accept this anyhow.
- if ($positive === "true")
- $verb = ACTIVITY_LIKE;
- else
- $verb = ACTIVITY_DISLIKE;
-
- $datarray = array();
-
- $datarray["uid"] = $importer["uid"];
- $datarray["contact-id"] = $author_contact["cid"];
- $datarray["network"] = $author_contact["network"];
-
- $datarray["author-name"] = $person["name"];
- $datarray["author-link"] = $person["url"];
- $datarray["author-avatar"] = ((x($person,"thumb")) ? $person["thumb"] : $person["photo"]);
-
- $datarray["owner-name"] = $contact["name"];
- $datarray["owner-link"] = $contact["url"];
- $datarray["owner-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
-
- $datarray["guid"] = $guid;
- $datarray["uri"] = $author.":".$guid;
-
- $datarray["type"] = "activity";
- $datarray["verb"] = $verb;
- $datarray["gravity"] = GRAVITY_LIKE;
- $datarray["parent-uri"] = $parent_item["uri"];
-
- $datarray["object-type"] = ACTIVITY_OBJ_NOTE;
- $datarray["object"] = self::construct_like_object($importer, $parent_item);
-
- $datarray["body"] = self::construct_like_body($contact, $parent_item, $guid);
-
- $message_id = item_store($datarray);
-
- if ($message_id)
- logger("Stored like ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
-
- // If we are the origin of the parent we store the original data and notify our followers
- if($message_id AND $parent_item["origin"]) {
-
- // Formerly we stored the signed text, the signature and the author in different fields.
- // We now store the raw data so that we are more flexible.
- q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
- intval($message_id),
- dbesc(json_encode($data))
- );
-
- // notify others
- proc_run("php", "include/notifier.php", "comment-import", $message_id);
- }
-
- return $message_id;
- }
-
- private function receive_message($importer, $data) {
- $guid = notags(unxmlify($data->guid));
- $parent_guid = notags(unxmlify($data->parent_guid));
- $text = unxmlify($data->text);
- $created_at = datetime_convert("UTC", "UTC", notags(unxmlify($data->created_at)));
- $author = notags(unxmlify($data->author));
- $conversation_guid = notags(unxmlify($data->conversation_guid));
-
- $contact = self::allowed_contact_by_handle($importer, $author, true);
- if (!$contact)
- return false;
-
- $conversation = null;
-
- $c = q("SELECT * FROM `conv` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer["uid"]),
- dbesc($conversation_guid)
- );
- if($c)
- $conversation = $c[0];
- else {
- logger("conversation not available.");
- return false;
- }
-
- $reply = 0;
-
- $body = diaspora2bb($text);
- $message_uri = $author.":".$guid;
-
- $person = self::person_by_handle($author);
- if (!$person) {
- logger("unable to find author details");
- return false;
- }
-
- $r = q("SELECT `id` FROM `mail` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($message_uri),
- intval($importer["uid"])
- );
- if($r) {
- logger("duplicate message already delivered.", LOGGER_DEBUG);
- return false;
- }
-
- q("INSERT INTO `mail` (`uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`)
- VALUES ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
- intval($importer["uid"]),
- dbesc($guid),
- intval($conversation["id"]),
- dbesc($person["name"]),
- dbesc($person["photo"]),
- dbesc($person["url"]),
- intval($contact["id"]),
- dbesc($conversation["subject"]),
- dbesc($body),
- 0,
- 1,
- dbesc($message_uri),
- dbesc($author.":".$parent_guid),
- dbesc($created_at)
- );
-
- q("UPDATE `conv` SET `updated` = '%s' WHERE `id` = %d",
- dbesc(datetime_convert()),
- intval($conversation["id"])
- );
-
- return true;
- }
-
- private function receive_participation($importer, $data) {
- // I'm not sure if we can fully support this message type
- return true;
- }
-
- private function receive_photo($importer, $data) {
- // There doesn't seem to be a reason for this function, since the photo data is transmitted in the status message as well
- return true;
- }
-
- private function receive_poll_participation($importer, $data) {
- // We don't support polls by now
- return true;
- }
-
- private function receive_profile($importer, $data) {
- $author = notags(unxmlify($data->author));
-
- $contact = self::contact_by_handle($importer["uid"], $author);
- if (!$contact)
- return;
-
- $name = unxmlify($data->first_name).((strlen($data->last_name)) ? " ".unxmlify($data->last_name) : "");
- $image_url = unxmlify($data->image_url);
- $birthday = unxmlify($data->birthday);
- $location = diaspora2bb(unxmlify($data->location));
- $about = diaspora2bb(unxmlify($data->bio));
- $gender = unxmlify($data->gender);
- $searchable = (unxmlify($data->searchable) == "true");
- $nsfw = (unxmlify($data->nsfw) == "true");
- $tags = unxmlify($data->tag_string);
-
- $tags = explode("#", $tags);
-
- $keywords = array();
- foreach ($tags as $tag) {
- $tag = trim(strtolower($tag));
- if ($tag != "")
- $keywords[] = $tag;
- }
-
- $keywords = implode(", ", $keywords);
-
- $handle_parts = explode("@", $author);
- $nick = $handle_parts[0];
-
- if($name === "")
- $name = $handle_parts[0];
-
- if( preg_match("|^https?://|", $image_url) === 0)
- $image_url = "http://".$handle_parts[1].$image_url;
-
- update_contact_avatar($image_url, $importer["uid"], $contact["id"]);
-
- // Generic birthday. We don't know the timezone. The year is irrelevant.
-
- $birthday = str_replace("1000", "1901", $birthday);
-
- if ($birthday != "")
- $birthday = datetime_convert("UTC", "UTC", $birthday, "Y-m-d");
-
- // this is to prevent multiple birthday notifications in a single year
- // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
-
- if(substr($birthday,5) === substr($contact["bd"],5))
- $birthday = $contact["bd"];
-
- $r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `name-date` = '%s', `bd` = '%s',
- `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
- dbesc($name),
- dbesc($nick),
- dbesc($author),
- dbesc(datetime_convert()),
- dbesc($birthday),
- dbesc($location),
- dbesc($about),
- dbesc($keywords),
- dbesc($gender),
- intval($contact["id"]),
- intval($importer["uid"])
- );
-
- if ($searchable) {
- poco_check($contact["url"], $name, NETWORK_DIASPORA, $image_url, $about, $location, $gender, $keywords, "",
- datetime_convert(), 2, $contact["id"], $importer["uid"]);
- }
-
- $gcontact = array("url" => $contact["url"], "network" => NETWORK_DIASPORA, "generation" => 2,
- "photo" => $image_url, "name" => $name, "location" => $location,
- "about" => $about, "birthday" => $birthday, "gender" => $gender,
- "addr" => $author, "nick" => $nick, "keywords" => $keywords,
- "hide" => !$searchable, "nsfw" => $nsfw);
-
- update_gcontact($gcontact);
-
- logger("Profile of contact ".$contact["id"]." stored for user ".$importer["uid"], LOGGER_DEBUG);
-
- return true;
- }
-
- private function receive_request_make_friend($importer, $contact) {
-
- $a = get_app();
-
- if($contact["rel"] == CONTACT_IS_FOLLOWER && in_array($importer["page-flags"], array(PAGE_FREELOVE))) {
- q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
- intval(CONTACT_IS_FRIEND),
- intval($contact["id"]),
- intval($importer["uid"])
- );
- }
- // send notification
-
- $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
- intval($importer["uid"])
- );
-
- if($r && !$r[0]["hide-friends"] && !$contact["hidden"] && intval(get_pconfig($importer["uid"], "system", "post_newfriend"))) {
-
- $self = q("SELECT * FROM `contact` WHERE `self` AND `uid` = %d LIMIT 1",
- intval($importer["uid"])
- );
-
- // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
-
- if($self && $contact["rel"] == CONTACT_IS_FOLLOWER) {
-
- $arr = array();
- $arr["uri"] = $arr["parent-uri"] = item_new_uri($a->get_hostname(), $importer["uid"]);
- $arr["uid"] = $importer["uid"];
- $arr["contact-id"] = $self[0]["id"];
- $arr["wall"] = 1;
- $arr["type"] = 'wall';
- $arr["gravity"] = 0;
- $arr["origin"] = 1;
- $arr["author-name"] = $arr["owner-name"] = $self[0]["name"];
- $arr["author-link"] = $arr["owner-link"] = $self[0]["url"];
- $arr["author-avatar"] = $arr["owner-avatar"] = $self[0]["thumb"];
- $arr["verb"] = ACTIVITY_FRIEND;
- $arr["object-type"] = ACTIVITY_OBJ_PERSON;
-
- $A = "[url=".$self[0]["url"]."]".$self[0]["name"]."[/url]";
- $B = "[url=".$contact["url"]."]".$contact["name"]."[/url]";
- $BPhoto = "[url=".$contact["url"]."][img]".$contact["thumb"]."[/img][/url]";
- $arr["body"] = sprintf(t("%1$s is now friends with %2$s"), $A, $B)."\n\n\n".$Bphoto;
-
- $arr["object"] = "<object><type>".ACTIVITY_OBJ_PERSON."</type><title>".$contact["name"]."</title>"
- ."<id>".$contact["url"]."/".$contact["name"]."</id>";
- $arr["object"] .= "<link>".xmlify('<link rel="alternate" type="text/html" href="'.$contact["url"].'" />'."\n");
- $arr["object"] .= xmlify('<link rel="photo" type="image/jpeg" href="'.$contact["thumb"].'" />'."\n");
- $arr["object"] .= "</link></object>\n";
- $arr["last-child"] = 1;
-
- $arr["allow_cid"] = $user[0]["allow_cid"];
- $arr["allow_gid"] = $user[0]["allow_gid"];
- $arr["deny_cid"] = $user[0]["deny_cid"];
- $arr["deny_gid"] = $user[0]["deny_gid"];
-
- $i = item_store($arr);
- if($i)
- proc_run("php", "include/notifier.php", "activity", $i);
-
- }
-
- }
- }
-
- private function receive_request($importer, $data) {
- $author = unxmlify($data->author);
- $recipient = unxmlify($data->recipient);
-
- if (!$author || !$recipient)
- return;
-
- $contact = self::contact_by_handle($importer["uid"],$author);
-
- if($contact) {
-
- // perhaps we were already sharing with this person. Now they're sharing with us.
- // That makes us friends.
-
- self::receive_request_make_friend($importer, $contact);
- return true;
- }
-
- $ret = self::person_by_handle($author);
-
- if (!$ret || ($ret["network"] != NETWORK_DIASPORA)) {
- logger("Cannot resolve diaspora handle ".$author." for ".$recipient);
- return false;
- }
-
- $batch = (($ret["batch"]) ? $ret["batch"] : implode("/", array_slice(explode("/", $ret["url"]), 0, 3))."/receive/public");
-
- $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
- VALUES (%d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d)",
- intval($importer["uid"]),
- dbesc($ret["network"]),
- dbesc($ret["addr"]),
- datetime_convert(),
- dbesc($ret["url"]),
- dbesc(normalise_link($ret["url"])),
- dbesc($batch),
- dbesc($ret["name"]),
- dbesc($ret["nick"]),
- dbesc($ret["photo"]),
- dbesc($ret["pubkey"]),
- dbesc($ret["notify"]),
- dbesc($ret["poll"]),
- 1,
- 2
- );
-
- // find the contact record we just created
-
- $contact_record = self::contact_by_handle($importer["uid"],$author);
-
- if (!$contact_record) {
- logger("unable to locate newly created contact record.");
- return;
- }
-
- $g = q("SELECT `def_gid` FROM `user` WHERE `uid` = %d LIMIT 1",
- intval($importer["uid"])
- );
-
- if($g && intval($g[0]["def_gid"]))
- group_add_member($importer["uid"], "", $contact_record["id"], $g[0]["def_gid"]);
-
- if($importer["page-flags"] == PAGE_NORMAL) {
-
- $hash = random_string().(string)time(); // Generate a confirm_key
-
- $ret = q("INSERT INTO `intro` (`uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime`)
- VALUES (%d, %d, %d, %d, '%s', '%s', '%s')",
- intval($importer["uid"]),
- intval($contact_record["id"]),
- 0,
- 0,
- dbesc(t("Sharing notification from Diaspora network")),
- dbesc($hash),
- dbesc(datetime_convert())
- );
- } else {
-
- // automatic friend approval
-
- update_contact_avatar($contact_record["photo"],$importer["uid"],$contact_record["id"]);
-
- // technically they are sharing with us (CONTACT_IS_SHARING),
- // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
- // we are going to change the relationship and make them a follower.
-
- if($importer["page-flags"] == PAGE_FREELOVE)
- $new_relation = CONTACT_IS_FRIEND;
- else
- $new_relation = CONTACT_IS_FOLLOWER;
-
- $r = q("UPDATE `contact` SET `rel` = %d,
- `name-date` = '%s',
- `uri-date` = '%s',
- `blocked` = 0,
- `pending` = 0,
- `writable` = 1
- WHERE `id` = %d
- ",
- intval($new_relation),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($contact_record["id"])
- );
-
- $u = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($importer["uid"]));
- if($u)
- $ret = self::send_share($u[0], $contact_record);
- }
-
- return true;
- }
-
- private function original_item($guid, $orig_author, $author) {
-
- // Do we already have this item?
- $r = q("SELECT `body`, `tag`, `app`, `created`, `object-type`, `uri`, `guid`,
- `author-name`, `author-link`, `author-avatar`
- FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
- dbesc($guid));
-
- if($r) {
- logger("reshared message ".$guid." already exists on system.");
-
- // Maybe it is already a reshared item?
- // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
- if (self::is_reshare($r[0]["body"]))
- $r = array();
- else
- return $r[0];
- }
-
- if (!$r) {
- $server = "https://".substr($orig_author, strpos($orig_author, "@") + 1);
- logger("1st try: reshared message ".$guid." will be fetched from original server: ".$server);
- $item_id = self::store_by_guid($guid, $server);
-
- if (!$item_id) {
- $server = "http://".substr($orig_author, strpos($orig_author, "@") + 1);
- logger("2nd try: reshared message ".$guid." will be fetched from original server: ".$server);
- $item_id = self::store_by_guid($guid, $server);
- }
-
- // Deactivated by now since there is a risk that someone could manipulate postings through this method
-/* if (!$item_id) {
- $server = "https://".substr($author, strpos($author, "@") + 1);
- logger("3rd try: reshared message ".$guid." will be fetched from sharer's server: ".$server);
- $item_id = self::store_by_guid($guid, $server);
- }
- if (!$item_id) {
- $server = "http://".substr($author, strpos($author, "@") + 1);
- logger("4th try: reshared message ".$guid." will be fetched from sharer's server: ".$server);
- $item_id = self::store_by_guid($guid, $server);
- }
-*/
- if ($item_id) {
- $r = q("SELECT `body`, `tag`, `app`, `created`, `object-type`, `uri`, `guid`,
- `author-name`, `author-link`, `author-avatar`
- FROM `item` WHERE `id` = %d AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
- intval($item_id));
-
- if ($r)
- return $r[0];
-
- }
- }
- return false;
- }
-
- private function receive_reshare($importer, $data) {
- $root_author = notags(unxmlify($data->root_author));
- $root_guid = notags(unxmlify($data->root_guid));
- $guid = notags(unxmlify($data->guid));
- $author = notags(unxmlify($data->author));
- $public = notags(unxmlify($data->public));
- $created_at = notags(unxmlify($data->created_at));
-
- $contact = self::allowed_contact_by_handle($importer, $author, false);
- if (!$contact)
- return false;
-
- if (self::message_exists($importer["uid"], $guid))
- return false;
-
- $original_item = self::original_item($root_guid, $root_author, $author);
- if (!$original_item)
- return false;
-
- $orig_url = App::get_baseurl()."/display/".$original_item["guid"];
-
- $datarray = array();
-
- $datarray["uid"] = $importer["uid"];
- $datarray["contact-id"] = $contact["id"];
- $datarray["network"] = NETWORK_DIASPORA;
-
- $datarray["author-name"] = $contact["name"];
- $datarray["author-link"] = $contact["url"];
- $datarray["author-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
-
- $datarray["owner-name"] = $datarray["author-name"];
- $datarray["owner-link"] = $datarray["author-link"];
- $datarray["owner-avatar"] = $datarray["author-avatar"];
-
- $datarray["guid"] = $guid;
- $datarray["uri"] = $datarray["parent-uri"] = $author.":".$guid;
-
- $datarray["verb"] = ACTIVITY_POST;
- $datarray["gravity"] = GRAVITY_PARENT;
-
- $datarray["object"] = json_encode($data);
-
- $prefix = share_header($original_item["author-name"], $original_item["author-link"], $original_item["author-avatar"],
- $original_item["guid"], $original_item["created"], $orig_url);
- $datarray["body"] = $prefix.$original_item["body"]."[/share]";
-
- $datarray["tag"] = $original_item["tag"];
- $datarray["app"] = $original_item["app"];
-
- $datarray["plink"] = self::plink($author, $guid);
- $datarray["private"] = (($public == "false") ? 1 : 0);
- $datarray["changed"] = $datarray["created"] = $datarray["edited"] = datetime_convert("UTC", "UTC", $created_at);
-
- $datarray["object-type"] = $original_item["object-type"];
-
- self::fetch_guid($datarray);
- $message_id = item_store($datarray);
-
- if ($message_id)
- logger("Stored reshare ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
-
- return $message_id;
- }
-
- private function item_retraction($importer, $contact, $data) {
- $target_type = notags(unxmlify($data->target_type));
- $target_guid = notags(unxmlify($data->target_guid));
- $author = notags(unxmlify($data->author));
-
- $person = self::person_by_handle($author);
- if (!is_array($person)) {
- logger("unable to find author detail for ".$author);
- return false;
- }
-
- $r = q("SELECT `id`, `parent`, `parent-uri`, `author-link` FROM `item` WHERE `guid` = '%s' AND `uid` = %d AND NOT `file` LIKE '%%[%%' LIMIT 1",
- dbesc($target_guid),
- intval($importer["uid"])
- );
- if (!$r)
- return false;
-
- // Only delete it if the author really fits
- if (!link_compare($r[0]["author-link"], $person["url"])) {
- logger("Item author ".$r[0]["author-link"]." doesn't fit to expected contact ".$person["url"], LOGGER_DEBUG);
- return false;
- }
-
- // Check if the sender is the thread owner
- $p = q("SELECT `id`, `author-link`, `origin` FROM `item` WHERE `id` = %d",
- intval($r[0]["parent"]));
-
- // Only delete it if the parent author really fits
- if (!link_compare($p[0]["author-link"], $contact["url"]) AND !link_compare($r[0]["author-link"], $contact["url"])) {
- logger("Thread author ".$p[0]["author-link"]." and item author ".$r[0]["author-link"]." don't fit to expected contact ".$contact["url"], LOGGER_DEBUG);
- return false;
- }
-
- // Currently we don't have a central deletion function that we could use in this case. The function "item_drop" doesn't work for that case
- q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' WHERE `id` = %d",
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($r[0]["id"])
- );
- delete_thread($r[0]["id"], $r[0]["parent-uri"]);
-
- logger("Deleted target ".$target_guid." (".$r[0]["id"].") from user ".$importer["uid"]." parent: ".$p[0]["id"], LOGGER_DEBUG);
-
- // Now check if the retraction needs to be relayed by us
- if($p[0]["origin"]) {
-
- // Formerly we stored the signed text, the signature and the author in different fields.
- // We now store the raw data so that we are more flexible.
- q("INSERT INTO `sign` (`retract_iid`,`signed_text`) VALUES (%d,'%s')",
- intval($r[0]["id"]),
- dbesc(json_encode($data))
- );
- $s = q("select * from sign where retract_iid = %d", intval($r[0]["id"]));
- logger("Stored signatur for item ".$r[0]["id"]." - ".print_r($s, true), LOGGER_DEBUG);
-
- // notify others
- proc_run("php", "include/notifier.php", "drop", $r[0]["id"]);
- }
- }
-
- private function receive_retraction($importer, $sender, $data) {
- $target_type = notags(unxmlify($data->target_type));
-
- $contact = self::contact_by_handle($importer["uid"], $sender);
- if (!$contact) {
- logger("cannot find contact for sender: ".$sender." and user ".$importer["uid"]);
- return false;
- }
-
- logger("Got retraction for ".$target_type.", sender ".$sender." and user ".$importer["uid"], LOGGER_DEBUG);
-
- switch ($target_type) {
- case "Comment":
- case "Like":
- case "Post": // "Post" will be supported in a future version
- case "Reshare":
- case "StatusMessage":
- return self::item_retraction($importer, $contact, $data);;
-
- case "Person":
- /// @todo What should we do with an "unshare"?
- // Removing the contact isn't correct since we still can read the public items
- //contact_remove($contact["id"]);
- return true;
-
- default:
- logger("Unknown target type ".$target_type);
- return false;
- }
- return true;
- }
-
- private function receive_status_message($importer, $data) {
-
- $raw_message = unxmlify($data->raw_message);
- $guid = notags(unxmlify($data->guid));
- $author = notags(unxmlify($data->author));
- $public = notags(unxmlify($data->public));
- $created_at = notags(unxmlify($data->created_at));
- $provider_display_name = notags(unxmlify($data->provider_display_name));
-
- /// @todo enable support for polls
- //if ($data->poll) {
- // foreach ($data->poll AS $poll)
- // print_r($poll);
- // die("poll!\n");
- //}
- $contact = self::allowed_contact_by_handle($importer, $author, false);
- if (!$contact)
- return false;
-
- if (self::message_exists($importer["uid"], $guid))
- return false;
-
- $address = array();
- if ($data->location)
- foreach ($data->location->children() AS $fieldname => $data)
- $address[$fieldname] = notags(unxmlify($data));
-
- $body = diaspora2bb($raw_message);
-
- $datarray = array();
-
- if ($data->photo) {
- foreach ($data->photo AS $photo)
- $body = "[img]".$photo->remote_photo_path.$photo->remote_photo_name."[/img]\n".$body;
-
- $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
- } else {
- $datarray["object-type"] = ACTIVITY_OBJ_NOTE;
-
- // Add OEmbed and other information to the body
- if (!self::is_redmatrix($contact["url"]))
- $body = add_page_info_to_body($body, false, true);
- }
-
- $datarray["uid"] = $importer["uid"];
- $datarray["contact-id"] = $contact["id"];
- $datarray["network"] = NETWORK_DIASPORA;
-
- $datarray["author-name"] = $contact["name"];
- $datarray["author-link"] = $contact["url"];
- $datarray["author-avatar"] = ((x($contact,"thumb")) ? $contact["thumb"] : $contact["photo"]);
-
- $datarray["owner-name"] = $datarray["author-name"];
- $datarray["owner-link"] = $datarray["author-link"];
- $datarray["owner-avatar"] = $datarray["author-avatar"];
-
- $datarray["guid"] = $guid;
- $datarray["uri"] = $datarray["parent-uri"] = $author.":".$guid;
-
- $datarray["verb"] = ACTIVITY_POST;
- $datarray["gravity"] = GRAVITY_PARENT;
-
- $datarray["object"] = json_encode($data);
-
- $datarray["body"] = $body;
-
- if ($provider_display_name != "")
- $datarray["app"] = $provider_display_name;
-
- $datarray["plink"] = self::plink($author, $guid);
- $datarray["private"] = (($public == "false") ? 1 : 0);
- $datarray["changed"] = $datarray["created"] = $datarray["edited"] = datetime_convert("UTC", "UTC", $created_at);
-
- if (isset($address["address"]))
- $datarray["location"] = $address["address"];
-
- if (isset($address["lat"]) AND isset($address["lng"]))
- $datarray["coord"] = $address["lat"]." ".$address["lng"];
-
- self::fetch_guid($datarray);
- $message_id = item_store($datarray);
-
- if ($message_id)
- logger("Stored item ".$datarray["guid"]." with message id ".$message_id, LOGGER_DEBUG);
-
- return $message_id;
- }
-
- /******************************************************************************************
- * Here are all the functions that are needed to transmit data with the Diaspora protocol *
- ******************************************************************************************/
-
- private function my_handle($me) {
- if ($contact["addr"] != "")
- return $contact["addr"];
-
- // Normally we should have a filled "addr" field - but in the past this wasn't the case
- // So - just in case - we build the the address here.
- return $me["nickname"]."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3);
- }
-
- private function build_public_message($msg, $user, $contact, $prvkey, $pubkey) {
-
- logger("Message: ".$msg, LOGGER_DATA);
-
- $handle = self::my_handle($user);
-
- $b64url_data = base64url_encode($msg);
-
- $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data);
-
- $type = "application/xml";
- $encoding = "base64url";
- $alg = "RSA-SHA256";
-
- $signable_data = $data.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg);
-
- $signature = rsa_sign($signable_data,$prvkey);
- $sig = base64url_encode($signature);
-
- $xmldata = array("diaspora" => array("header" => array("author_id" => $handle),
- "me:env" => array("me:encoding" => "base64url",
- "me:alg" => "RSA-SHA256",
- "me:data" => $data,
- "@attributes" => array("type" => "application/xml"),
- "me:sig" => $sig)));
-
- $namespaces = array("" => "https://joindiaspora.com/protocol",
- "me" => "http://salmon-protocol.org/ns/magic-env");
-
- $magic_env = xml::from_array($xmldata, $xml, false, $namespaces);
-
- logger("magic_env: ".$magic_env, LOGGER_DATA);
- return $magic_env;
- }
-
- private function build_private_message($msg, $user, $contact, $prvkey, $pubkey) {
-
- logger("Message: ".$msg, LOGGER_DATA);
-
- // without a public key nothing will work
-
- if (!$pubkey) {
- logger("pubkey missing: contact id: ".$contact["id"]);
- return false;
- }
-
- $inner_aes_key = random_string(32);
- $b_inner_aes_key = base64_encode($inner_aes_key);
- $inner_iv = random_string(16);
- $b_inner_iv = base64_encode($inner_iv);
-
- $outer_aes_key = random_string(32);
- $b_outer_aes_key = base64_encode($outer_aes_key);
- $outer_iv = random_string(16);
- $b_outer_iv = base64_encode($outer_iv);
-
- $handle = self::my_handle($user);
-
- $padded_data = pkcs5_pad($msg,16);
- $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
-
- $b64_data = base64_encode($inner_encrypted);
-
-
- $b64url_data = base64url_encode($b64_data);
- $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data);
-
- $type = "application/xml";
- $encoding = "base64url";
- $alg = "RSA-SHA256";
-
- $signable_data = $data.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg);
-
- $signature = rsa_sign($signable_data,$prvkey);
- $sig = base64url_encode($signature);
-
- $xmldata = array("decrypted_header" => array("iv" => $b_inner_iv,
- "aes_key" => $b_inner_aes_key,
- "author_id" => $handle));
-
- $decrypted_header = xml::from_array($xmldata, $xml, true);
- $decrypted_header = pkcs5_pad($decrypted_header,16);
-
- $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
-
- $outer_json = json_encode(array("iv" => $b_outer_iv, "key" => $b_outer_aes_key));
-
- $encrypted_outer_key_bundle = "";
- openssl_public_encrypt($outer_json, $encrypted_outer_key_bundle, $pubkey);
-
- $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
-
- logger("outer_bundle: ".$b64_encrypted_outer_key_bundle." key: ".$pubkey, LOGGER_DATA);
-
- $encrypted_header_json_object = json_encode(array("aes_key" => base64_encode($encrypted_outer_key_bundle),
- "ciphertext" => base64_encode($ciphertext)));
- $cipher_json = base64_encode($encrypted_header_json_object);
-
- $xmldata = array("diaspora" => array("encrypted_header" => $cipher_json,
- "me:env" => array("me:encoding" => "base64url",
- "me:alg" => "RSA-SHA256",
- "me:data" => $data,
- "@attributes" => array("type" => "application/xml"),
- "me:sig" => $sig)));
-
- $namespaces = array("" => "https://joindiaspora.com/protocol",
- "me" => "http://salmon-protocol.org/ns/magic-env");
-
- $magic_env = xml::from_array($xmldata, $xml, false, $namespaces);
-
- logger("magic_env: ".$magic_env, LOGGER_DATA);
- return $magic_env;
- }
-
- private function build_message($msg, $user, $contact, $prvkey, $pubkey, $public = false) {
-
- if ($public)
- $magic_env = self::build_public_message($msg,$user,$contact,$prvkey,$pubkey);
- else
- $magic_env = self::build_private_message($msg,$user,$contact,$prvkey,$pubkey);
-
- // The data that will be transmitted is double encoded via "urlencode", strange ...
- $slap = "xml=".urlencode(urlencode($magic_env));
- return $slap;
- }
-
- private function signature($owner, $message) {
- $sigmsg = $message;
- unset($sigmsg["author_signature"]);
- unset($sigmsg["parent_author_signature"]);
-
- $signed_text = implode(";", $sigmsg);
-
- return base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
- }
-
- public static function transmit($owner, $contact, $slap, $public_batch, $queue_run=false, $guid = "") {
-
- $a = get_app();
-
- $enabled = intval(get_config("system", "diaspora_enabled"));
- if(!$enabled)
- return 200;
-
- $logid = random_string(4);
- $dest_url = (($public_batch) ? $contact["batch"] : $contact["notify"]);
- if (!$dest_url) {
- logger("no url for contact: ".$contact["id"]." batch mode =".$public_batch);
- return 0;
- }
-
- logger("transmit: ".$logid."-".$guid." ".$dest_url);
-
- if (!$queue_run && was_recently_delayed($contact["id"])) {
- $return_code = 0;
- } else {
- if (!intval(get_config("system", "diaspora_test"))) {
- post_url($dest_url."/", $slap);
- $return_code = $a->get_curl_code();
- } else {
- logger("test_mode");
- return 200;
- }
- }
-
- logger("transmit: ".$logid."-".$guid." returns: ".$return_code);
-
- if(!$return_code || (($return_code == 503) && (stristr($a->get_curl_headers(), "retry-after")))) {
- logger("queue message");
-
- $r = q("SELECT `id` FROM `queue` WHERE `cid` = %d AND `network` = '%s' AND `content` = '%s' AND `batch` = %d LIMIT 1",
- intval($contact["id"]),
- dbesc(NETWORK_DIASPORA),
- dbesc($slap),
- intval($public_batch)
- );
- if($r) {
- logger("add_to_queue ignored - identical item already in queue");
- } else {
- // queue message for redelivery
- add_to_queue($contact["id"], NETWORK_DIASPORA, $slap, $public_batch);
- }
- }
-
- return(($return_code) ? $return_code : (-1));
- }
-
-
- private function build_and_transmit($owner, $contact, $type, $message, $public_batch = false, $guid = "", $spool = false) {
-
- $data = array("XML" => array("post" => array($type => $message)));
-
- $msg = xml::from_array($data, $xml);
-
- logger('message: '.$msg, LOGGER_DATA);
- logger('send guid '.$guid, LOGGER_DEBUG);
-
- $slap = self::build_message($msg, $owner, $contact, $owner['uprvkey'], $contact['pubkey'], $public_batch);
-
- if ($spool) {
- add_to_queue($contact['id'], NETWORK_DIASPORA, $slap, $public_batch);
- return true;
- } else
- $return_code = self::transmit($owner, $contact, $slap, $public_batch, false, $guid);
-
- logger("guid: ".$item["guid"]." result ".$return_code, LOGGER_DEBUG);
-
- return $return_code;
- }
-
- public static function send_share($owner,$contact) {
-
- $message = array("sender_handle" => self::my_handle($owner),
- "recipient_handle" => $contact["addr"]);
-
- return self::build_and_transmit($owner, $contact, "request", $message);
- }
-
- public static function send_unshare($owner,$contact) {
-
- $message = array("post_guid" => $owner["guid"],
- "diaspora_handle" => self::my_handle($owner),
- "type" => "Person");
-
- return self::build_and_transmit($owner, $contact, "retraction", $message);
- }
-
- public static function is_reshare($body) {
- $body = trim($body);
-
- // Skip if it isn't a pure repeated messages
- // Does it start with a share?
- if (strpos($body, "[share") > 0)
- return(false);
-
- // Does it end with a share?
- if (strlen($body) > (strrpos($body, "[/share]") + 8))
- return(false);
-
- $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
- // Skip if there is no shared message in there
- if ($body == $attributes)
- return(false);
-
- $guid = "";
- preg_match("/guid='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $guid = $matches[1];
-
- preg_match('/guid="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $guid = $matches[1];
-
- if ($guid != "") {
- $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
- dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
- if ($r) {
- $ret= array();
- $ret["root_handle"] = self::handle_from_contact($r[0]["contact-id"]);
- $ret["root_guid"] = $guid;
- return($ret);
- }
- }
-
- $profile = "";
- preg_match("/profile='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $profile = $matches[1];
-
- preg_match('/profile="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $profile = $matches[1];
-
- $ret= array();
-
- $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
- if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
- return(false);
-
- $link = "";
- preg_match("/link='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $link = $matches[1];
-
- preg_match('/link="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $link = $matches[1];
-
- $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
- if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
- return(false);
- return($ret);
- }
-
- public static function send_status($item, $owner, $contact, $public_batch = false) {
-
- $myaddr = self::my_handle($owner);
-
- $public = (($item["private"]) ? "false" : "true");
-
- $created = datetime_convert("UTC", "UTC", $item["created"], 'Y-m-d H:i:s \U\T\C');
-
- // Detect a share element and do a reshare
- if (!$item['private'] AND ($ret = self::is_reshare($item["body"]))) {
- $message = array("root_diaspora_id" => $ret["root_handle"],
- "root_guid" => $ret["root_guid"],
- "guid" => $item["guid"],
- "diaspora_handle" => $myaddr,
- "public" => $public,
- "created_at" => $created,
- "provider_display_name" => $item["app"]);
-
- $type = "reshare";
- } else {
- $title = $item["title"];
- $body = $item["body"];
-
- // convert to markdown
- $body = html_entity_decode(bb2diaspora($body));
-
- // Adding the title
- if(strlen($title))
- $body = "## ".html_entity_decode($title)."\n\n".$body;
-
- if ($item["attach"]) {
- $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism', $item["attach"], $matches, PREG_SET_ORDER);
- if(cnt) {
- $body .= "\n".t("Attachments:")."\n";
- foreach($matches as $mtch)
- $body .= "[".$mtch[3]."](".$mtch[1].")\n";
- }
- }
-
- $location = array();
-
- if ($item["location"] != "")
- $location["address"] = $item["location"];
-
- if ($item["coord"] != "") {
- $coord = explode(" ", $item["coord"]);
- $location["lat"] = $coord[0];
- $location["lng"] = $coord[1];
- }
-
- $message = array("raw_message" => $body,
- "location" => $location,
- "guid" => $item["guid"],
- "diaspora_handle" => $myaddr,
- "public" => $public,
- "created_at" => $created,
- "provider_display_name" => $item["app"]);
-
- if (count($location) == 0)
- unset($message["location"]);
-
- $type = "status_message";
- }
-
- return self::build_and_transmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
- }
-
- private function construct_like($item, $owner) {
-
- $myaddr = self::my_handle($owner);
-
- $p = q("SELECT `guid`, `uri`, `parent-uri` FROM `item` WHERE `uri` = '%s' LIMIT 1",
- dbesc($item["thr-parent"]));
- if(!$p)
- return false;
-
- $parent = $p[0];
-
- $target_type = ($parent["uri"] === $parent["parent-uri"] ? "Post" : "Comment");
- $positive = "true";
-
- return(array("positive" => $positive,
- "guid" => $item["guid"],
- "target_type" => $target_type,
- "parent_guid" => $parent["guid"],
- "author_signature" => $authorsig,
- "diaspora_handle" => $myaddr));
- }
-
- private function construct_comment($item, $owner) {
-
- $myaddr = self::my_handle($owner);
-
- $p = q("SELECT `guid` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
- intval($item["parent"]),
- intval($item["parent"])
- );
-
- if (!$p)
- return false;
-
- $parent = $p[0];
-
- $text = html_entity_decode(bb2diaspora($item["body"]));
-
- return(array("guid" => $item["guid"],
- "parent_guid" => $parent["guid"],
- "author_signature" => "",
- "text" => $text,
- "diaspora_handle" => $myaddr));
- }
-
- public static function send_followup($item,$owner,$contact,$public_batch = false) {
-
- if($item['verb'] === ACTIVITY_LIKE) {
- $message = self::construct_like($item, $owner);
- $type = "like";
- } else {
- $message = self::construct_comment($item, $owner);
- $type = "comment";
- }
-
- if (!$message)
- return false;
-
- $message["author_signature"] = self::signature($owner, $message);
-
- return self::build_and_transmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
- }
-
- private function message_from_signatur($item, $signature) {
-
- // Split the signed text
- $signed_parts = explode(";", $signature['signed_text']);
-
- if ($item["deleted"])
- $message = array("parent_author_signature" => "",
- "target_guid" => $signed_parts[0],
- "target_type" => $signed_parts[1],
- "sender_handle" => $signature['signer'],
- "target_author_signature" => $signature['signature']);
- elseif ($item['verb'] === ACTIVITY_LIKE)
- $message = array("positive" => $signed_parts[0],
- "guid" => $signed_parts[1],
- "target_type" => $signed_parts[2],
- "parent_guid" => $signed_parts[3],
- "parent_author_signature" => "",
- "author_signature" => $signature['signature'],
- "diaspora_handle" => $signed_parts[4]);
- else {
- // Remove the comment guid
- $guid = array_shift($signed_parts);
-
- // Remove the parent guid
- $parent_guid = array_shift($signed_parts);
-
- // Remove the handle
- $handle = array_pop($signed_parts);
-
- // Glue the parts together
- $text = implode(";", $signed_parts);
-
- $message = array("guid" => $guid,
- "parent_guid" => $parent_guid,
- "parent_author_signature" => "",
- "author_signature" => $signature['signature'],
- "text" => implode(";", $signed_parts),
- "diaspora_handle" => $handle);
- }
- return $message;
- }
-
- public static function send_relay($item, $owner, $contact, $public_batch = false) {
-
- if ($item["deleted"]) {
- $sql_sign_id = "retract_iid";
- $type = "relayable_retraction";
- } elseif ($item['verb'] === ACTIVITY_LIKE) {
- $sql_sign_id = "iid";
- $type = "like";
- } else {
- $sql_sign_id = "iid";
- $type = "comment";
- }
-
- logger("Got relayable data ".$type." for item ".$item["guid"]." (".$item["id"].")", LOGGER_DEBUG);
-
- // fetch the original signature
-
- $r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE `".$sql_sign_id."` = %d LIMIT 1",
- intval($item["id"]));
-
- if (!$r)
- return self::send_followup($item, $owner, $contact, $public_batch);
-
- $signature = $r[0];
-
- // Old way - is used by the internal Friendica functions
- /// @todo Change all signatur storing functions to the new format
- if ($signature['signed_text'] AND $signature['signature'] AND $signature['signer'])
- $message = self::message_from_signatur($item, $signature);
- else {// New way
- $msg = json_decode($signature['signed_text'], true);
-
- $message = array();
- foreach ($msg AS $field => $data) {
- if (!$item["deleted"]) {
- if ($field == "author")
- $field = "diaspora_handle";
- if ($field == "parent_type")
- $field = "target_type";
- }
-
- $message[$field] = $data;
- }
- }
-
- if ($item["deleted"]) {
- $signed_text = $message["target_guid"].';'.$message["target_type"];
- $message["parent_author_signature"] = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
- } else
- $message["parent_author_signature"] = self::signature($owner, $message);
-
- logger("Relayed data ".print_r($message, true), LOGGER_DEBUG);
-
- return self::build_and_transmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
- }
-
- public static function send_retraction($item, $owner, $contact, $public_batch = false) {
-
- $myaddr = self::my_handle($owner);
-
- // Check whether the retraction is for a top-level post or whether it's a relayable
- if ($item["uri"] !== $item["parent-uri"]) {
- $msg_type = "relayable_retraction";
- $target_type = (($item["verb"] === ACTIVITY_LIKE) ? "Like" : "Comment");
- } else {
- $msg_type = "signed_retraction";
- $target_type = "StatusMessage";
- }
-
- $signed_text = $item["guid"].";".$target_type;
-
- $message = array("target_guid" => $item['guid'],
- "target_type" => $target_type,
- "sender_handle" => $myaddr,
- "target_author_signature" => base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')));
-
- return self::build_and_transmit($owner, $contact, $msg_type, $message, $public_batch, $item["guid"]);
- }
-
- public static function send_mail($item, $owner, $contact) {
-
- $myaddr = self::my_handle($owner);
-
- $r = q("SELECT * FROM `conv` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($item["convid"]),
- intval($item["uid"])
- );
-
- if (!$r) {
- logger("conversation not found.");
- return;
- }
- $cnv = $r[0];
-
- $conv = array(
- "guid" => $cnv["guid"],
- "subject" => $cnv["subject"],
- "created_at" => datetime_convert("UTC", "UTC", $cnv['created'], 'Y-m-d H:i:s \U\T\C'),
- "diaspora_handle" => $cnv["creator"],
- "participant_handles" => $cnv["recips"]
- );
-
- $body = bb2diaspora($item["body"]);
- $created = datetime_convert("UTC", "UTC", $item["created"], 'Y-m-d H:i:s \U\T\C');
-
- $signed_text = $item["guid"].";".$cnv["guid"].";".$body.";".$created.";".$myaddr.";".$cnv['guid'];
- $sig = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256"));
-
- $msg = array(
- "guid" => $item["guid"],
- "parent_guid" => $cnv["guid"],
- "parent_author_signature" => $sig,
- "author_signature" => $sig,
- "text" => $body,
- "created_at" => $created,
- "diaspora_handle" => $myaddr,
- "conversation_guid" => $cnv["guid"]
- );
-
- if ($item["reply"]) {
- $message = $msg;
- $type = "message";
- } else {
- $message = array("guid" => $cnv["guid"],
- "subject" => $cnv["subject"],
- "created_at" => datetime_convert("UTC", "UTC", $cnv['created'], 'Y-m-d H:i:s \U\T\C'),
- "message" => $msg,
- "diaspora_handle" => $cnv["creator"],
- "participant_handles" => $cnv["recips"]);
-
- $type = "conversation";
- }
-
- return self::build_and_transmit($owner, $contact, $type, $message, false, $item["guid"]);
- }
-
- public static function send_profile($uid) {
-
- if (!$uid)
- return;
-
- $recips = q("SELECT `id`,`name`,`network`,`pubkey`,`notify` FROM `contact` WHERE `network` = '%s'
- AND `uid` = %d AND `rel` != %d",
- dbesc(NETWORK_DIASPORA),
- intval($uid),
- intval(CONTACT_IS_SHARING)
- );
- if (!$recips)
- return;
-
- $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.*, `user`.`prvkey` AS `uprvkey`, `contact`.`addr`
- FROM `profile`
- INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
- INNER JOIN `contact` ON `profile`.`uid` = `contact`.`uid`
- WHERE `user`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
- intval($uid)
- );
-
- if (!$r)
- return;
-
- $profile = $r[0];
-
- $handle = $profile["addr"];
- $first = ((strpos($profile['name'],' ')
- ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']));
- $last = (($first === $profile['name']) ? '' : trim(substr($profile['name'], strlen($first))));
- $large = App::get_baseurl().'/photo/custom/300/'.$profile['uid'].'.jpg';
- $medium = App::get_baseurl().'/photo/custom/100/'.$profile['uid'].'.jpg';
- $small = App::get_baseurl().'/photo/custom/50/' .$profile['uid'].'.jpg';
- $searchable = (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false');
-
- if ($searchable === 'true') {
- $dob = '1000-00-00';
-
- if (($profile['dob']) && ($profile['dob'] != '0000-00-00'))
- $dob = ((intval($profile['dob'])) ? intval($profile['dob']) : '1000') .'-'. datetime_convert('UTC','UTC',$profile['dob'],'m-d');
-
- $about = $profile['about'];
- $about = strip_tags(bbcode($about));
-
- $location = formatted_location($profile);
- $tags = '';
- if ($profile['pub_keywords']) {
- $kw = str_replace(',',' ',$profile['pub_keywords']);
- $kw = str_replace(' ',' ',$kw);
- $arr = explode(' ',$profile['pub_keywords']);
- if (count($arr)) {
- for($x = 0; $x < 5; $x ++) {
- if (trim($arr[$x]))
- $tags .= '#'. trim($arr[$x]) .' ';
- }
- }
- }
- $tags = trim($tags);
- }
-
- $message = array("diaspora_handle" => $handle,
- "first_name" => $first,
- "last_name" => $last,
- "image_url" => $large,
- "image_url_medium" => $medium,
- "image_url_small" => $small,
- "birthday" => $dob,
- "gender" => $profile['gender'],
- "bio" => $about,
- "location" => $location,
- "searchable" => $searchable,
- "tag_string" => $tags);
-
- foreach($recips as $recip)
- self::build_and_transmit($profile, $recip, "profile", $message, false, "", true);
- }
-}
-?>
projects / friendica.git / commitdiff