X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fdiaspora.php;h=77c459e649830ed16e89cad5abd7340ab2ae847c;hb=b01ab3e64c5a5a13f190116471acaeea10b3fd3a;hp=ff3caa5744b5cda0d70c02919b861e7915165c4d;hpb=f36ffe3c0329958aa4fe190d528207301c0058e7;p=friendica.git diff --git a/include/diaspora.php b/include/diaspora.php index ff3caa5744..77c459e649 100644 --- a/include/diaspora.php +++ b/include/diaspora.php @@ -4,8 +4,8 @@ * @brief The implementation of the diaspora protocol * * The new protocol is described here: http://diaspora.github.io/diaspora_federation/index.html - * Currently this implementation here interprets the old and the new protocol and sends the old one. - * This will change in the future. + * This implementation here interprets the old and the new protocol and sends the new one. + * In the future we will remove most stuff from "valid_posting" and interpret only the new protocol. */ use Friendica\App; @@ -29,8 +29,6 @@ require_once 'include/cache.php'; */ class Diaspora { - private static $new = false; - /** * @brief Return a list of relay servers * @@ -882,11 +880,14 @@ class Diaspora { if (dbm::is_result($r)) { return $r[0]; } else { - // We haven't found it? - // We use another function for it that will possibly create a contact entry + /* + * We haven't found it? + * We use another function for it that will possibly create a contact entry. + */ $cid = get_contact($handle, $uid); if ($cid > 0) { + /// @TODO Contact retrieval should be encapsulated into an "entity" class like `Contact` $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1", intval($cid)); if (dbm::is_result($r)) { @@ -921,9 +922,11 @@ class Diaspora { */ private static function post_allow($importer, $contact, $is_comment = false) { - // perhaps we were already sharing with this person. Now they're sharing with us. - // That makes us friends. - // Normally this should have handled by getting a request - but this could get lost + /* + * Perhaps we were already sharing with this person. Now they're sharing with us. + * That makes us friends. + * Normally this should have handled by getting a request - but this could get lost + */ if ($contact["rel"] == CONTACT_IS_FOLLOWER && in_array($importer["page-flags"], array(PAGE_FREELOVE))) { q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d", intval(CONTACT_IS_FRIEND), @@ -936,16 +939,19 @@ class Diaspora { // We don't seem to like that person if ($contact["blocked"] || $contact["readonly"] || $contact["archive"]) { + // Maybe blocked, don't accept. return false; - // We are following this person? Then it is okay + // We are following this person? } elseif (($contact["rel"] == CONTACT_IS_SHARING) || ($contact["rel"] == CONTACT_IS_FRIEND)) { + // Yes, then it is fine. return true; - // Is it a post to a community? That's good + // Is it a post to a community? } elseif (($contact["rel"] == CONTACT_IS_FOLLOWER) && ($importer["page-flags"] == PAGE_COMMUNITY)) { + // That's good return true; - } - // Messages for the global users and comments are always accepted - if (($importer["uid"] == 0) || $is_comment) { + // Is the message a global user or a comment? + } elseif (($importer["uid"] == 0) || $is_comment) { + // Messages for the global users and comments are always accepted return true; } @@ -1523,6 +1529,8 @@ class Diaspora { $person = self::person_by_handle($msg_author); + dba::lock('mail'); + $r = q("SELECT `id` FROM `mail` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1", dbesc($msg_guid), intval($importer["uid"]) @@ -1550,6 +1558,8 @@ class Diaspora { dbesc($msg_created_at) ); + dba::unlock(); + q("UPDATE `conv` SET `updated` = '%s' WHERE `id` = %d", dbesc(datetime_convert()), intval($conversation["id"]) @@ -1826,6 +1836,12 @@ class Diaspora { return false; } + $body = diaspora2bb($text); + + $body = self::replace_people_guid($body, $person["url"]); + + dba::lock('mail'); + $r = q("SELECT `id` FROM `mail` WHERE `guid` = '%s' AND `uid` = %d LIMIT 1", dbesc($guid), intval($importer["uid"]) @@ -1835,10 +1851,6 @@ class Diaspora { return false; } - $body = diaspora2bb($text); - - $body = self::replace_people_guid($body, $person["url"]); - q("INSERT INTO `mail` (`uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) VALUES ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')", intval($importer["uid"]), @@ -1857,6 +1869,8 @@ class Diaspora { dbesc($created_at) ); + dba::unlock(); + q("UPDATE `conv` SET `updated` = '%s' WHERE `id` = %d", dbesc(datetime_convert()), intval($conversation["id"]) @@ -2502,7 +2516,6 @@ class Diaspora { case "Comment": case "Like": case "Post": - return self::item_retraction($importer, $contact, $data); case "Reshare": case "StatusMessage": return self::item_retraction($importer, $contact, $data); @@ -2662,42 +2675,9 @@ class Diaspora { return $nick."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3); } - /** - * @brief Creates the envelope for the "fetch" endpoint - * - * @param string $msg The message that is to be transmitted - * @param array $user The record of the sender - * - * @return string The envelope - */ - - public static function build_magic_envelope($msg, $user) { - - $b64url_data = base64url_encode($msg); - $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data); - - $key_id = base64url_encode(self::my_handle($user)); - $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, $user["prvkey"]); - $sig = base64url_encode($signature); - - $xmldata = array("me:env" => array("me:data" => $data, - "@attributes" => array("type" => $type), - "me:encoding" => $encoding, - "me:alg" => $alg, - "me:sig" => $sig, - "@attributes2" => array("key_id" => $key_id))); - - $namespaces = array("me" => "http://salmon-protocol.org/ns/magic-env"); - - return xml::from_array($xmldata, $xml, false, $namespaces); - } /** - * @brief Creates the envelope for a public message + * @brief Creates the data for a private message in the new format * * @param string $msg The message that is to be transmitted * @param array $user The record of the sender @@ -2705,129 +2685,72 @@ class Diaspora { * @param string $prvkey The private key of the sender * @param string $pubkey The public key of the receiver * - * @return string The envelope + * @return string The encrypted data */ - private static function build_public_message($msg, $user, $contact, $prvkey, $pubkey) { + public static function encode_private_data($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"; - $alg = "RSA-SHA256"; + // without a public key nothing will work + if (!$pubkey) { + logger("pubkey missing: contact id: ".$contact["id"]); + return false; + } - $signable_data = $data.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg); + $aes_key = openssl_random_pseudo_bytes(32); + $b_aes_key = base64_encode($aes_key); + $iv = openssl_random_pseudo_bytes(16); + $b_iv = base64_encode($iv); - $signature = rsa_sign($signable_data,$prvkey); - $sig = base64url_encode($signature); + $ciphertext = self::aes_encrypt($aes_key, $iv, $msg); - $xmldata = array("diaspora" => array("header" => array("author_id" => $handle), - "me:env" => array("me:encoding" => $encoding, - "me:alg" => $alg, - "me:data" => $data, - "@attributes" => array("type" => $type), - "me:sig" => $sig))); + $json = json_encode(array("iv" => $b_iv, "key" => $b_aes_key)); - $namespaces = array("" => "https://joindiaspora.com/protocol", - "me" => "http://salmon-protocol.org/ns/magic-env"); + $encrypted_key_bundle = ""; + openssl_public_encrypt($json, $encrypted_key_bundle, $pubkey); - $magic_env = xml::from_array($xmldata, $xml, false, $namespaces); + $json_object = json_encode(array("aes_key" => base64_encode($encrypted_key_bundle), + "encrypted_magic_envelope" => base64_encode($ciphertext))); - logger("magic_env: ".$magic_env, LOGGER_DATA); - return $magic_env; + return $json_object; } /** - * @brief Creates the envelope for a private message + * @brief Creates the envelope for the "fetch" endpoint and for the new format * * @param string $msg The message that is to be transmitted * @param array $user The record of the sender - * @param array $contact Target of the communication - * @param string $prvkey The private key of the sender - * @param string $pubkey The public key of the receiver * * @return string The envelope */ - private static function build_private_message($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 = openssl_random_pseudo_bytes(32); - $b_inner_aes_key = base64_encode($inner_aes_key); - $inner_iv = openssl_random_pseudo_bytes(16); - $b_inner_iv = base64_encode($inner_iv); - - $outer_aes_key = openssl_random_pseudo_bytes(32); - $b_outer_aes_key = base64_encode($outer_aes_key); - $outer_iv = openssl_random_pseudo_bytes(16); - $b_outer_iv = base64_encode($outer_iv); - - $handle = self::my_handle($user); - - $inner_encrypted = self::aes_encrypt($inner_aes_key, $inner_iv, $msg); - - $b64_data = base64_encode($inner_encrypted); - + public static function build_magic_envelope($msg, $user) { - $b64url_data = base64url_encode($b64_data); + $b64url_data = base64url_encode($msg); $data = str_replace(array("\n", "\r", " ", "\t"), array("", "", "", ""), $b64url_data); + $key_id = base64url_encode(self::my_handle($user)); $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); - - $ciphertext = self::aes_encrypt($outer_aes_key, $outer_iv, $decrypted_header); - - $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); + // Fallback if the private key wasn't transmitted in the expected field + if ($user['uprvkey'] == "") + $user['uprvkey'] = $user['prvkey']; - $xmldata = array("diaspora" => array("encrypted_header" => $cipher_json, - "me:env" => array("me:encoding" => $encoding, - "me:alg" => $alg, - "me:data" => $data, - "@attributes" => array("type" => $type), - "me:sig" => $sig))); + $signature = rsa_sign($signable_data, $user["uprvkey"]); + $sig = base64url_encode($signature); - $namespaces = array("" => "https://joindiaspora.com/protocol", - "me" => "http://salmon-protocol.org/ns/magic-env"); + $xmldata = array("me:env" => array("me:data" => $data, + "@attributes" => array("type" => $type), + "me:encoding" => $encoding, + "me:alg" => $alg, + "me:sig" => $sig, + "@attributes2" => array("key_id" => $key_id))); - $magic_env = xml::from_array($xmldata, $xml, false, $namespaces); + $namespaces = array("me" => "http://salmon-protocol.org/ns/magic-env"); - logger("magic_env: ".$magic_env, LOGGER_DATA); - return $magic_env; + return xml::from_array($xmldata, $xml, false, $namespaces); } /** @@ -2844,14 +2767,15 @@ class Diaspora { */ private static function build_message($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 message is put into an envelope with the sender's signature + $envelope = self::build_magic_envelope($msg, $user); + + // Private messages are put into a second envelope, encrypted with the receivers public key + if (!$public) { + $envelope = self::encode_private_data($envelope, $user, $contact, $prvkey, $pubkey); + } - // The data that will be transmitted is double encoded via "urlencode", strange ... - $slap = "xml=".urlencode(urlencode($magic_env)); - return $slap; + return $envelope; } /** @@ -2877,14 +2801,14 @@ class Diaspora { * * @param array $owner the array of the item owner * @param array $contact Target of the communication - * @param string $slap The message that is to be transmitted + * @param string $envelope The message that is to be transmitted * @param bool $public_batch Is it a public post? * @param bool $queue_run Is the transmission called from the queue? * @param string $guid message guid * * @return int Result of the transmission */ - public static function transmit($owner, $contact, $slap, $public_batch, $queue_run=false, $guid = "") { + public static function transmit($owner, $contact, $envelope, $public_batch, $queue_run=false, $guid = "") { $a = get_app(); @@ -2905,7 +2829,9 @@ class Diaspora { $return_code = 0; } else { if (!intval(get_config("system", "diaspora_test"))) { - post_url($dest_url."/", $slap); + $content_type = (($public_batch) ? "application/magic-envelope+xml" : "application/json"); + + post_url($dest_url."/", $envelope, array("Content-Type: ".$content_type)); $return_code = $a->get_curl_code(); } else { logger("test_mode"); @@ -2921,14 +2847,14 @@ class Diaspora { $r = q("SELECT `id` FROM `queue` WHERE `cid` = %d AND `network` = '%s' AND `content` = '%s' AND `batch` = %d LIMIT 1", intval($contact["id"]), dbesc(NETWORK_DIASPORA), - dbesc($slap), + dbesc($envelope), 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, $public_batch); + add_to_queue($contact["id"], NETWORK_DIASPORA, $envelope, $public_batch); // The message could not be delivered. We mark the contact as "dead" mark_for_death($contact); @@ -2952,11 +2878,8 @@ class Diaspora { */ public static function build_post_xml($type, $message) { - if (!self::$new) { - $data = array("XML" => array("post" => array($type => $message))); - } else { - $data = array($type => $message); - } + $data = array($type => $message); + return xml::from_array($data, $xml); } @@ -2984,13 +2907,13 @@ class Diaspora { if ($owner['uprvkey'] == "") $owner['uprvkey'] = $owner['prvkey']; - $slap = self::build_message($msg, $owner, $contact, $owner['uprvkey'], $contact['pubkey'], $public_batch); + $envelope = self::build_message($msg, $owner, $contact, $owner['uprvkey'], $contact['pubkey'], $public_batch); if ($spool) { - add_to_queue($contact['id'], NETWORK_DIASPORA, $slap, $public_batch); + add_to_queue($contact['id'], NETWORK_DIASPORA, $envelope, $public_batch); return true; } else - $return_code = self::transmit($owner, $contact, $slap, $public_batch, false, $guid); + $return_code = self::transmit($owner, $contact, $envelope, $public_batch, false, $guid); logger("guid: ".$item["guid"]." result ".$return_code, LOGGER_DEBUG); @@ -3005,14 +2928,37 @@ class Diaspora { * * @return int The result of the transmission */ - public static function send_share($owner,$contact) { + public static function send_share($owner, $contact) { - $message = array("sender_handle" => self::my_handle($owner), - "recipient_handle" => $contact["addr"]); + /** + * @todo support the different possible combinations of "following" and "sharing" + * Currently, Diaspora only interprets the "sharing" field + * + * Before switching this code productive, we have to check all "send_share" calls if "rel" is set correctly + */ + + /* + switch ($contact["rel"]) { + case CONTACT_IS_FRIEND: + $following = true; + $sharing = true; + case CONTACT_IS_SHARING: + $following = false; + $sharing = true; + case CONTACT_IS_FOLLOWER: + $following = true; + $sharing = false; + } + */ + + $message = array("author" => self::my_handle($owner), + "recipient" => $contact["addr"], + "following" => "true", + "sharing" => "true"); logger("Send share ".print_r($message, true), LOGGER_DEBUG); - return self::build_and_transmit($owner, $contact, "request", $message); + return self::build_and_transmit($owner, $contact, "contact", $message); } /** @@ -3023,17 +2969,16 @@ class Diaspora { * * @return int The result of the transmission */ - public static function send_unshare($owner,$contact) { - - self::$new = true; + public static function send_unshare($owner, $contact) { $message = array("author" => self::my_handle($owner), - "target_guid" => $owner["guid"], - "target_type" => "Person"); + "recipient" => $contact["addr"], + "following" => "false", + "sharing" => "false"); logger("Send unshare ".print_r($message, true), LOGGER_DEBUG); - return self::build_and_transmit($owner, $contact, "retraction", $message); + return self::build_and_transmit($owner, $contact, "contact", $message); } /** @@ -3202,8 +3147,6 @@ class Diaspora { */ public static function build_status($item, $owner) { - self::$new = true; - $cachekey = "diaspora:build_status:".$item['guid']; $result = Cache::get($cachekey); @@ -3217,8 +3160,6 @@ class Diaspora { $created = datetime_convert("UTC", "UTC", $item["created"], 'Y-m-d\TH:i:s\Z'); - //self::$new = Config::get('system', 'new_diaspora', null, true); - // Detect a share element and do a reshare if (!$item['private'] && ($ret = self::is_reshare($item["body"]))) { $message = array("author" => $myaddr, @@ -3321,8 +3262,6 @@ class Diaspora { */ private static function construct_like($item, $owner) { - self::$new = true; - $p = q("SELECT `guid`, `uri`, `parent-uri` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($item["thr-parent"])); if (!dbm::is_result($p)) @@ -3355,8 +3294,6 @@ class Diaspora { */ private static function construct_attend($item, $owner) { - self::$new = true; - $p = q("SELECT `guid`, `uri`, `parent-uri` FROM `item` WHERE `uri` = '%s' LIMIT 1", dbesc($item["thr-parent"])); if (!dbm::is_result($p)) @@ -3396,8 +3333,6 @@ class Diaspora { */ private static function construct_comment($item, $owner) { - self::$new = true; - $cachekey = "diaspora:construct_comment:".$item['guid']; $result = Cache::get($cachekey); @@ -3480,19 +3415,17 @@ class Diaspora { $signed_parts = explode(";", $signature['signed_text']); if ($item["deleted"]) - $message = array("parent_author_signature" => "", + $message = array("author" => $signature['signer'], "target_guid" => $signed_parts[0], - "target_type" => $signed_parts[1], - "sender_handle" => $signature['signer'], - "target_author_signature" => $signature['signature']); + "target_type" => $signed_parts[1]); elseif ($item['verb'] === ACTIVITY_LIKE) - $message = array("positive" => $signed_parts[0], + $message = array("author" => $signed_parts[4], "guid" => $signed_parts[1], - "target_type" => $signed_parts[2], "parent_guid" => $signed_parts[3], - "parent_author_signature" => "", + "parent_type" => $signed_parts[2], + "positive" => $signed_parts[0], "author_signature" => $signature['signature'], - "diaspora_handle" => $signed_parts[4]); + "parent_author_signature" => ""); else { // Remove the comment guid $guid = array_shift($signed_parts); @@ -3506,12 +3439,12 @@ class Diaspora { // Glue the parts together $text = implode(";", $signed_parts); - $message = array("guid" => $guid, + $message = array("author" => $handle, + "guid" => $guid, "parent_guid" => $parent_guid, - "parent_author_signature" => "", - "author_signature" => $signature['signature'], "text" => implode(";", $signed_parts), - "diaspora_handle" => $handle); + "author_signature" => $signature['signature'], + "parent_author_signature" => ""); } return $message; } @@ -3560,10 +3493,12 @@ class Diaspora { if (is_array($msg)) { foreach ($msg AS $field => $data) { if (!$item["deleted"]) { - if ($field == "author") - $field = "diaspora_handle"; - if ($field == "parent_type") - $field = "target_type"; + if ($field == "diaspora_handle") { + $field = "author"; + } + if ($field == "target_type") { + $field = "parent_type"; + } } $message[$field] = $data; @@ -3592,8 +3527,6 @@ class Diaspora { */ public static function send_retraction($item, $owner, $contact, $public_batch = false, $relay = false) { - self::$new = true; - $itemaddr = self::handle_from_contact($item["contact-id"], $item["gcontact-id"]); $msg_type = "retraction"; @@ -3619,8 +3552,6 @@ class Diaspora { */ public static function send_mail($item, $owner, $contact) { - self::$new = true; - $myaddr = self::my_handle($owner); $r = q("SELECT * FROM `conv` WHERE `id` = %d AND `uid` = %d LIMIT 1", @@ -3645,18 +3576,12 @@ class Diaspora { $body = bb2diaspora($item["body"]); $created = datetime_convert("UTC", "UTC", $item["created"], 'Y-m-d\TH:i:s\Z'); - $signed_text = $item["guid"].";".$cnv["guid"].";".$body.";".$created.";".$myaddr.";".$cnv['guid']; - $sig = base64_encode(rsa_sign($signed_text, $owner["uprvkey"], "sha256")); - $msg = array( "author" => $myaddr, "guid" => $item["guid"], "conversation_guid" => $cnv["guid"], "text" => $body, "created_at" => $created, - //"parent_guid" => $cnv["guid"], - //"parent_author_signature" => $sig, - //"author_signature" => $sig, ); if ($item["reply"]) { @@ -3744,7 +3669,7 @@ class Diaspora { $tags = trim($tags); } - $message = array("diaspora_handle" => $handle, + $message = array("author" => $handle, "first_name" => $first, "last_name" => $last, "image_url" => $large, @@ -3755,6 +3680,7 @@ class Diaspora { "bio" => $about, "location" => $location, "searchable" => $searchable, + "nsfw" => "false", "tag_string" => $tags); foreach ($recips as $recip) { @@ -3803,7 +3729,7 @@ class Diaspora { * This will break Diaspora compatibility with Friendica versions prior to 3.5. */ q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')", - intval($message_id), + intval($post_id), dbesc(json_encode($message)) );