4 * @file include/diaspora.php
6 * @todo GET /people/9aed8882b9f64896/stream
9 require_once('include/crypto.php');
10 require_once('include/items.php');
11 require_once('include/bb2diaspora.php');
12 require_once('include/contact_selectors.php');
13 require_once('include/queue_fn.php');
14 require_once('include/lock.php');
15 require_once('include/threads.php');
16 require_once('mod/share.php');
18 function diaspora_dispatch_public($msg) {
20 $enabled = intval(get_config('system','diaspora_enabled'));
22 logger('mod-diaspora: disabled');
26 // Use a dummy importer to import the data for the public copy
27 $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
28 $result = diaspora_dispatch($importer,$msg);
29 logger("Dispatcher reported ".$result, LOGGER_DEBUG);
31 // Now distribute it to the followers
32 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
33 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
34 AND `account_expired` = 0 AND `account_removed` = 0 ",
35 dbesc(NETWORK_DIASPORA),
40 logger('diaspora_public: delivering to: ' . $rr['username']);
41 diaspora_dispatch($rr,$msg);
45 logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
50 function diaspora_dispatch($importer,$msg,$attempt=1) {
54 $enabled = intval(get_config('system','diaspora_enabled'));
56 logger('mod-diaspora: disabled');
60 // php doesn't like dashes in variable names
62 $msg['message'] = str_replace(
63 array('<activity_streams-photo>','</activity_streams-photo>'),
64 array('<asphoto>','</asphoto>'),
68 $parsed_xml = parse_xml_string($msg['message'],false);
70 $xmlbase = $parsed_xml->post;
72 logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
75 if($xmlbase->request) {
76 $ret = diaspora_request($importer,$xmlbase->request);
78 elseif($xmlbase->status_message) {
79 $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
81 elseif($xmlbase->profile) {
82 $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
84 elseif($xmlbase->comment) {
85 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
87 elseif($xmlbase->like) {
88 $ret = diaspora_like($importer,$xmlbase->like,$msg);
90 elseif($xmlbase->asphoto) {
91 $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
93 elseif($xmlbase->reshare) {
94 $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
96 elseif($xmlbase->retraction) {
97 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
99 elseif($xmlbase->signed_retraction) {
100 $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
102 elseif($xmlbase->relayable_retraction) {
103 $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
105 elseif($xmlbase->photo) {
106 $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
108 elseif($xmlbase->conversation) {
109 $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
111 elseif($xmlbase->message) {
112 $ret = diaspora_message($importer,$xmlbase->message,$msg);
114 elseif($xmlbase->participation) {
115 $ret = diaspora_participation($importer,$xmlbase->participation);
118 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
123 function diaspora_handle_from_contact($contact_id) {
126 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
128 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
134 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
136 if($contact['network'] === NETWORK_DIASPORA) {
137 $handle = $contact['addr'];
139 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
141 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
142 $baseurl_start = strpos($contact['url'],'://') + 3;
143 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
144 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
145 $handle = $contact['nick'] . '@' . $baseurl;
147 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
154 function diaspora_get_contact_by_handle($uid,$handle) {
155 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
156 dbesc(NETWORK_DIASPORA),
163 $handle_parts = explode("@", $handle);
164 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
165 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
176 function find_diaspora_person_by_handle($handle) {
186 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
187 dbesc(NETWORK_DIASPORA),
192 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
194 // update record occasionally so it doesn't get stale
195 $d = strtotime($person['updated'] . ' +00:00');
196 if($d < strtotime('now - 14 days'))
201 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
203 // If the person isn't in our 'fcontact' table, or if he/she is but
204 // his/her information hasn't been updated for more than 14 days, then
205 // we want to fetch the person's information from the remote server.
207 // Note that $person isn't changed by this block of code unless the
208 // person's information has been successfully fetched from the remote
209 // server. So if $person was 'false' to begin with (because he/she wasn't
210 // in the local cache), it'll stay false, and if $person held the local
211 // cache information to begin with, it'll keep that information. That way
212 // if there's a problem with the remote fetch, we can at least use our
213 // cached information--it's better than nothing.
215 if((! $person) || ($update)) {
216 // Lock the function to prevent race conditions if multiple items
217 // come in at the same time from a person who doesn't exist in
220 // Don't loop forever. On the last loop, try to create the contact
221 // whether the function is locked or not. Maybe the locking thread
222 // has died or something. At any rate, a duplicate in 'fcontact'
223 // is a much smaller problem than a deadlocked thread
224 $got_lock = lock_function('find_diaspora_person_by_handle', false);
225 if(($endlessloop + 1) >= $maxloops)
229 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
230 require_once('include/Scrape.php');
231 $r = probe_url($handle, PROBE_DIASPORA);
233 // Note that Friendica contacts can return a "Diaspora person"
234 // if Diaspora connectivity is enabled on their server
235 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
236 add_fcontact($r,$update);
240 unlock_function('find_diaspora_person_by_handle');
243 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
245 block_on_function_lock('find_diaspora_person_by_handle');
248 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
249 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
250 // The fact that the function was locked may mean that another process was creating the
251 // person's record. It could also mean another process was creating or updating an unrelated
254 // At any rate, we need to keep trying until we've either got the person or had a chance to
255 // try to fetch his/her remote information. But we don't want to block on locking the
256 // function, because if the other process is creating the record, then when we acquire the lock
257 // we'll dive right into creating another, duplicate record. We DO want to at least wait
258 // until the lock is released, so we don't flood the database with requests.
260 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
261 // we do have some information for the person
267 function get_diaspora_key($uri) {
268 logger('Fetching diaspora key for: ' . $uri);
270 $r = find_diaspora_person_by_handle($uri);
277 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
280 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
283 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
285 // $b64_data = base64_encode($msg);
286 // $b64url_data = base64url_encode($b64_data);
288 $b64url_data = base64url_encode($msg);
290 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
292 $type = 'application/xml';
293 $encoding = 'base64url';
296 $signable_data = $data . '.' . base64url_encode($type) . '.'
297 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
299 $signature = rsa_sign($signable_data,$prvkey);
300 $sig = base64url_encode($signature);
303 <?xml version='1.0' encoding='UTF-8'?>
304 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
306 <author_id>$handle</author_id>
309 <me:encoding>base64url</me:encoding>
310 <me:alg>RSA-SHA256</me:alg>
311 <me:data type="application/xml">$data</me:data>
312 <me:sig>$sig</me:sig>
317 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
325 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
329 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
331 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
333 // without a public key nothing will work
336 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
340 $inner_aes_key = random_string(32);
341 $b_inner_aes_key = base64_encode($inner_aes_key);
342 $inner_iv = random_string(16);
343 $b_inner_iv = base64_encode($inner_iv);
345 $outer_aes_key = random_string(32);
346 $b_outer_aes_key = base64_encode($outer_aes_key);
347 $outer_iv = random_string(16);
348 $b_outer_iv = base64_encode($outer_iv);
350 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
352 $padded_data = pkcs5_pad($msg,16);
353 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
355 $b64_data = base64_encode($inner_encrypted);
358 $b64url_data = base64url_encode($b64_data);
359 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
361 $type = 'application/xml';
362 $encoding = 'base64url';
365 $signable_data = $data . '.' . base64url_encode($type) . '.'
366 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
368 $signature = rsa_sign($signable_data,$prvkey);
369 $sig = base64url_encode($signature);
371 $decrypted_header = <<< EOT
374 <aes_key>$b_inner_aes_key</aes_key>
375 <author_id>$handle</author_id>
379 $decrypted_header = pkcs5_pad($decrypted_header,16);
381 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
383 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
385 $encrypted_outer_key_bundle = '';
386 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
388 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
390 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
392 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
393 'ciphertext' => base64_encode($ciphertext)));
394 $cipher_json = base64_encode($encrypted_header_json_object);
396 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
399 <?xml version='1.0' encoding='UTF-8'?>
400 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
403 <me:encoding>base64url</me:encoding>
404 <me:alg>RSA-SHA256</me:alg>
405 <me:data type="application/xml">$data</me:data>
406 <me:sig>$sig</me:sig>
411 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
418 * diaspora_decode($importer,$xml)
419 * array $importer -> from user table
420 * string $xml -> urldecoded Diaspora salmon
423 * 'message' -> decoded Diaspora XML message
424 * 'author' -> author diaspora handle
425 * 'key' -> author public key (converted to pkcs#8)
427 * Author and key are used elsewhere to save a lookup for verifying replies and likes
431 function diaspora_decode($importer,$xml) {
434 $basedom = parse_xml_string($xml);
436 $children = $basedom->children('https://joindiaspora.com/protocol');
438 if($children->header) {
440 $author_link = str_replace('acct:','',$children->header->author_id);
444 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
446 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
447 $ciphertext = base64_decode($encrypted_header->ciphertext);
449 $outer_key_bundle = '';
450 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
452 $j_outer_key_bundle = json_decode($outer_key_bundle);
454 $outer_iv = base64_decode($j_outer_key_bundle->iv);
455 $outer_key = base64_decode($j_outer_key_bundle->key);
457 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
460 $decrypted = pkcs5_unpad($decrypted);
463 * $decrypted now contains something like
466 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
467 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
472 * <name>Ryan Hughes</name>
473 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
478 * <author_id>galaxor@diaspora.priateship.org</author_id>
482 * </decrypted_header>
485 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
486 $idom = parse_xml_string($decrypted,false);
488 $inner_iv = base64_decode($idom->iv);
489 $inner_aes_key = base64_decode($idom->aes_key);
491 $author_link = str_replace('acct:','',$idom->author_id);
495 $dom = $basedom->children(NAMESPACE_SALMON_ME);
497 // figure out where in the DOM tree our data is hiding
499 if($dom->provenance->data)
500 $base = $dom->provenance;
501 elseif($dom->env->data)
507 logger('mod-diaspora: unable to locate salmon data in xml ');
508 http_status_exit(400);
512 // Stash the signature away for now. We have to find their key or it won't be good for anything.
513 $signature = base64url_decode($base->sig);
517 // strip whitespace so our data element will return to one big base64 blob
518 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
521 // stash away some other stuff for later
523 $type = $base->data[0]->attributes()->type[0];
524 $keyhash = $base->sig[0]->attributes()->keyhash[0];
525 $encoding = $base->encoding;
529 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
533 $data = base64url_decode($data);
537 $inner_decrypted = $data;
541 // Decode the encrypted blob
543 $inner_encrypted = base64_decode($data);
544 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
545 $inner_decrypted = pkcs5_unpad($inner_decrypted);
549 logger('mod-diaspora: Could not retrieve author URI.');
550 http_status_exit(400);
553 // Once we have the author URI, go to the web and try to find their public key
554 // (first this will look it up locally if it is in the fcontact cache)
555 // This will also convert diaspora public key from pkcs#1 to pkcs#8
557 logger('mod-diaspora: Fetching key for ' . $author_link );
558 $key = get_diaspora_key($author_link);
561 logger('mod-diaspora: Could not retrieve author key.');
562 http_status_exit(400);
565 $verify = rsa_verify($signed_data,$signature,$key);
568 logger('mod-diaspora: Message did not verify. Discarding.');
569 http_status_exit(400);
572 logger('mod-diaspora: Message verified.');
574 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
579 function diaspora_request($importer,$xml) {
583 $sender_handle = unxmlify($xml->sender_handle);
584 $recipient_handle = unxmlify($xml->recipient_handle);
586 if(! $sender_handle || ! $recipient_handle)
589 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
593 // perhaps we were already sharing with this person. Now they're sharing with us.
594 // That makes us friends.
596 if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
597 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
598 intval(CONTACT_IS_FRIEND),
599 intval($contact['id']),
600 intval($importer['uid'])
605 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
606 intval($importer['uid'])
609 if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
610 require_once('include/items.php');
612 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
613 intval($importer['uid'])
616 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
618 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
621 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
622 $arr['uid'] = $importer['uid'];
623 $arr['contact-id'] = $self[0]['id'];
625 $arr['type'] = 'wall';
628 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
629 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
630 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
631 $arr['verb'] = ACTIVITY_FRIEND;
632 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
634 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
635 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
636 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
637 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
639 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
640 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
641 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
642 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
643 $arr['object'] .= '</link></object>' . "\n";
644 $arr['last-child'] = 1;
646 $arr['allow_cid'] = $user[0]['allow_cid'];
647 $arr['allow_gid'] = $user[0]['allow_gid'];
648 $arr['deny_cid'] = $user[0]['deny_cid'];
649 $arr['deny_gid'] = $user[0]['deny_gid'];
651 $i = item_store($arr);
653 proc_run('php',"include/notifier.php","activity","$i");
662 $ret = find_diaspora_person_by_handle($sender_handle);
665 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
666 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
670 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
674 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
675 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
676 intval($importer['uid']),
677 dbesc($ret['network']),
681 dbesc(normalise_link($ret['url'])),
685 dbesc($ret['photo']),
686 dbesc($ret['pubkey']),
687 dbesc($ret['notify']),
693 // find the contact record we just created
695 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
697 if(! $contact_record) {
698 logger('diaspora_request: unable to locate newly created contact record.');
702 $g = q("select def_gid from user where uid = %d limit 1",
703 intval($importer['uid'])
705 if($g && intval($g[0]['def_gid'])) {
706 require_once('include/group.php');
707 group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
710 if($importer['page-flags'] == PAGE_NORMAL) {
712 $hash = random_string() . (string) time(); // Generate a confirm_key
714 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
715 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
716 intval($importer['uid']),
717 intval($contact_record['id']),
720 dbesc( t('Sharing notification from Diaspora network')),
722 dbesc(datetime_convert())
727 // automatic friend approval
729 require_once('include/Photo.php');
731 $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
733 // technically they are sharing with us (CONTACT_IS_SHARING),
734 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
735 // we are going to change the relationship and make them a follower.
737 if($importer['page-flags'] == PAGE_FREELOVE)
738 $new_relation = CONTACT_IS_FRIEND;
740 $new_relation = CONTACT_IS_FOLLOWER;
742 $r = q("UPDATE `contact` SET
749 `avatar-date` = '%s',
758 intval($new_relation),
759 dbesc(datetime_convert()),
760 dbesc(datetime_convert()),
761 dbesc(datetime_convert()),
762 intval($contact_record['id'])
765 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
767 $ret = diaspora_share($u[0],$contact_record);
773 function diaspora_post_allow($importer,$contact, $is_comment = false) {
775 // perhaps we were already sharing with this person. Now they're sharing with us.
776 // That makes us friends.
777 // Normally this should have handled by getting a request - but this could get lost
778 if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
779 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
780 intval(CONTACT_IS_FRIEND),
781 intval($contact['id']),
782 intval($importer['uid'])
784 $contact['rel'] = CONTACT_IS_FRIEND;
785 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
788 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
790 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
792 if($contact['rel'] == CONTACT_IS_FOLLOWER)
793 if(($importer['page-flags'] == PAGE_COMMUNITY) OR $is_comment)
796 // Messages for the global users are always accepted
797 if ($importer['uid'] == 0)
803 function diaspora_is_redmatrix($url) {
804 return(strstr($url, "/channel/"));
807 function diaspora_plink($addr, $guid) {
808 $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", dbesc($addr));
812 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
814 // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
815 // So we try another way as well.
816 $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
818 $r[0]["network"] = $s[0]["network"];
820 if ($r[0]["network"] == NETWORK_DFRN)
821 return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
823 if (diaspora_is_redmatrix($r[0]["url"]))
824 return $r[0]["url"]."/?f=&mid=".$guid;
826 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
829 function diaspora_repair_signature($signature, $handle = "", $level = 1) {
831 if ($signature == "")
834 if (base64_encode(base64_decode(base64_decode($signature))) == base64_decode($signature)) {
835 $signature = base64_decode($signature);
836 logger("Repaired double encoded signature from Diaspora/Hubzilla handle ".$handle." - level ".$level, LOGGER_DEBUG);
838 // Do a recursive call to be able to fix even multiple levels
840 $signature = diaspora_repair_signature($signature, $handle, ++$level);
846 function diaspora_post($importer,$xml,$msg) {
849 $guid = notags(unxmlify($xml->guid));
850 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
852 if($diaspora_handle != $msg['author']) {
853 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
857 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
859 logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
863 if(! diaspora_post_allow($importer,$contact, false)) {
864 logger('diaspora_post: Ignoring this author.');
868 $message_id = $diaspora_handle . ':' . $guid;
869 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
870 intval($importer['uid']),
874 logger('diaspora_post: message exists: ' . $guid);
878 $created = unxmlify($xml->created_at);
879 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
881 $body = diaspora2bb($xml->raw_message);
885 $datarray["object"] = json_encode($xml);
887 if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
888 $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
890 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
891 // Add OEmbed and other information to the body
892 if (!diaspora_is_redmatrix($contact['url']))
893 $body = add_page_info_to_body($body, false, true);
898 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
900 foreach($matches as $mtch) {
901 if(strlen($str_tags))
903 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
907 $plink = diaspora_plink($diaspora_handle, $guid);
909 $datarray['uid'] = $importer['uid'];
910 $datarray['contact-id'] = $contact['id'];
911 $datarray['wall'] = 0;
912 $datarray['network'] = NETWORK_DIASPORA;
913 $datarray['verb'] = ACTIVITY_POST;
914 $datarray['guid'] = $guid;
915 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
916 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
917 $datarray['private'] = $private;
918 $datarray['parent'] = 0;
919 $datarray['plink'] = $plink;
920 $datarray['owner-name'] = $contact['name'];
921 $datarray['owner-link'] = $contact['url'];
922 //$datarray['owner-avatar'] = $contact['thumb'];
923 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
924 $datarray['author-name'] = $contact['name'];
925 $datarray['author-link'] = $contact['url'];
926 $datarray['author-avatar'] = $contact['thumb'];
927 $datarray['body'] = $body;
928 $datarray['tag'] = $str_tags;
929 if ($xml->provider_display_name)
930 $datarray["app"] = unxmlify($xml->provider_display_name);
932 $datarray['app'] = 'Diaspora';
934 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
936 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
938 DiasporaFetchGuid($datarray);
939 $message_id = item_store($datarray);
941 logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
947 function DiasporaFetchGuid($item) {
948 preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
949 function ($match) use ($item){
950 return(DiasporaFetchGuidSub($match, $item));
954 function DiasporaFetchGuidSub($match, $item) {
957 if (!diaspora_store_by_guid($match[1], $item["author-link"]))
958 diaspora_store_by_guid($match[1], $item["owner-link"]);
961 function diaspora_store_by_guid($guid, $server, $uid = 0) {
962 require_once("include/Contact.php");
964 $serverparts = parse_url($server);
965 $server = $serverparts["scheme"]."://".$serverparts["host"];
967 logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
969 $item = diaspora_fetch_message($guid, $server);
974 logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
976 $body = $item["body"];
977 $str_tags = $item["tag"];
979 $created = $item["created"];
980 $author = $item["author"];
981 $guid = $item["guid"];
982 $private = $item["private"];
983 $object = $item["object"];
984 $objecttype = $item["object-type"];
986 $message_id = $author.':'.$guid;
987 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
994 $person = find_diaspora_person_by_handle($author);
996 $contact_id = get_contact($person['url'], $uid);
998 $contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
999 $importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
1001 if ($contacts AND $importers)
1002 if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
1003 logger('Ignoring author '.$person['url'].' for uid '.$uid);
1006 logger('Author '.$person['url'].' is allowed for uid '.$uid);
1008 $datarray = array();
1009 $datarray['uid'] = $uid;
1010 $datarray['contact-id'] = $contact_id;
1011 $datarray['wall'] = 0;
1012 $datarray['network'] = NETWORK_DIASPORA;
1013 $datarray['guid'] = $guid;
1014 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1015 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1016 $datarray['private'] = $private;
1017 $datarray['parent'] = 0;
1018 $datarray['plink'] = diaspora_plink($author, $guid);
1019 $datarray['author-name'] = $person['name'];
1020 $datarray['author-link'] = $person['url'];
1021 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1022 $datarray['owner-name'] = $datarray['author-name'];
1023 $datarray['owner-link'] = $datarray['author-link'];
1024 $datarray['owner-avatar'] = $datarray['author-avatar'];
1025 $datarray['body'] = $body;
1026 $datarray['tag'] = $str_tags;
1027 $datarray['app'] = $app;
1028 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1029 $datarray['object'] = $object;
1030 $datarray['object-type'] = $objecttype;
1032 if ($datarray['contact-id'] == 0)
1035 DiasporaFetchGuid($datarray);
1036 $message_id = item_store($datarray);
1039 /// Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
1044 function diaspora_fetch_message($guid, $server, $level = 0) {
1051 // This will not work if the server is not a Diaspora server
1052 $source_url = $server.'/p/'.$guid.'.xml';
1053 $x = fetch_url($source_url);
1057 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
1058 $source_xml = parse_xml_string($x,false);
1061 $item["app"] = 'Diaspora';
1062 $item["guid"] = $guid;
1065 if ($source_xml->post->status_message->created_at)
1066 $item["created"] = unxmlify($source_xml->post->status_message->created_at);
1068 if ($source_xml->post->status_message->provider_display_name)
1069 $item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
1071 if ($source_xml->post->status_message->diaspora_handle)
1072 $item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
1074 if ($source_xml->post->status_message->guid)
1075 $item["guid"] = unxmlify($source_xml->post->status_message->guid);
1077 $item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
1078 $item["object"] = json_encode($source_xml->post);
1080 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
1081 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1082 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
1083 $body = scale_external_images($body,false);
1084 } elseif($source_xml->post->asphoto->image_url) {
1085 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1086 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
1087 $body = scale_external_images($body);
1088 } elseif($source_xml->post->status_message) {
1089 $body = diaspora2bb($source_xml->post->status_message->raw_message);
1091 // Checking for embedded pictures
1092 if($source_xml->post->status_message->photo->remote_photo_path AND
1093 $source_xml->post->status_message->photo->remote_photo_name) {
1095 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1097 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
1098 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
1100 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
1102 logger('embedded picture link found: '.$body, LOGGER_DEBUG);
1104 $item["object-type"] = ACTIVITY_OBJ_NOTE;
1106 $body = scale_external_images($body);
1108 // Add OEmbed and other information to the body
1109 /// @TODO It could be a repeated redmatrix item
1110 /// Then we shouldn't add further data to it
1111 if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
1112 $body = add_page_info_to_body($body, false, true);
1114 } elseif($source_xml->post->reshare) {
1115 // Reshare of a reshare
1116 return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
1118 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
1119 logger('no content found: '.print_r($source_xml,true));
1123 if (trim($body) == "")
1127 $item["body"] = $body;
1132 function diaspora_reshare($importer,$xml,$msg) {
1134 logger('diaspora_reshare: init: ' . print_r($xml,true));
1137 $guid = notags(unxmlify($xml->guid));
1138 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1141 if($diaspora_handle != $msg['author']) {
1142 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1146 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1150 if(! diaspora_post_allow($importer,$contact, false)) {
1151 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
1155 $message_id = $diaspora_handle . ':' . $guid;
1156 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1157 intval($importer['uid']),
1161 logger('diaspora_reshare: message exists: ' . $guid);
1165 $orig_author = notags(unxmlify($xml->root_diaspora_id));
1166 $orig_guid = notags(unxmlify($xml->root_guid));
1167 $orig_url = $a->get_baseurl()."/display/".$orig_guid;
1169 $create_original_post = false;
1171 // Do we already have this item?
1172 $r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
1174 dbesc(NETWORK_DIASPORA)
1177 logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
1179 // Maybe it is already a reshared item?
1180 // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
1181 require_once('include/api.php');
1182 if (api_share_as_retweet($r[0]))
1185 $body = $r[0]["body"];
1186 $str_tags = $r[0]["tag"];
1187 $app = $r[0]["app"];
1188 $orig_created = $r[0]["created"];
1189 $orig_plink = $r[0]["plink"];
1190 $orig_uri = $r[0]["uri"];
1191 $object = $r[0]["object"];
1192 $objecttype = $r[0]["object-type"];
1201 $server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
1202 logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1203 $item = diaspora_fetch_message($orig_guid, $server);
1206 $server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1207 logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1208 $item = diaspora_fetch_message($orig_guid, $server);
1211 $server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
1212 logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1213 $item = diaspora_fetch_message($orig_guid, $server);
1216 $server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1217 logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1218 $item = diaspora_fetch_message($orig_guid, $server);
1222 $body = $item["body"];
1223 $str_tags = $item["tag"];
1224 $app = $item["app"];
1225 $orig_created = $item["created"];
1226 $orig_author = $item["author"];
1227 $orig_guid = $item["guid"];
1228 $orig_plink = diaspora_plink($orig_author, $orig_guid);
1229 $orig_uri = $orig_author.':'.$orig_guid;
1230 $create_original_post = ($body != "");
1231 $object = $item["object"];
1232 $objecttype = $item["object-type"];
1236 $plink = diaspora_plink($diaspora_handle, $guid);
1238 $person = find_diaspora_person_by_handle($orig_author);
1240 $created = unxmlify($xml->created_at);
1241 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1243 $datarray = array();
1245 $datarray['uid'] = $importer['uid'];
1246 $datarray['contact-id'] = $contact['id'];
1247 $datarray['wall'] = 0;
1248 $datarray['network'] = NETWORK_DIASPORA;
1249 $datarray['guid'] = $guid;
1250 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1251 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1252 $datarray['private'] = $private;
1253 $datarray['parent'] = 0;
1254 $datarray['plink'] = $plink;
1255 $datarray['owner-name'] = $contact['name'];
1256 $datarray['owner-link'] = $contact['url'];
1257 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1258 if (!intval(get_config('system','wall-to-wall_share'))) {
1259 $prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
1261 $datarray['author-name'] = $contact['name'];
1262 $datarray['author-link'] = $contact['url'];
1263 $datarray['author-avatar'] = $contact['thumb'];
1264 $datarray['body'] = $prefix.$body."[/share]";
1266 // Let reshared messages look like wall-to-wall posts
1267 $datarray['author-name'] = $person['name'];
1268 $datarray['author-link'] = $person['url'];
1269 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1270 $datarray['body'] = $body;
1273 $datarray["object"] = json_encode($xml);
1274 $datarray['object-type'] = $objecttype;
1276 $datarray['tag'] = $str_tags;
1277 $datarray['app'] = $app;
1279 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1280 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1282 // Store the original item of a reshare
1283 if ($create_original_post) {
1284 require_once("include/Contact.php");
1286 $datarray2 = $datarray;
1288 $datarray2['uid'] = 0;
1289 $datarray2['contact-id'] = get_contact($person['url'], 0);
1290 $datarray2['guid'] = $orig_guid;
1291 $datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
1292 $datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
1293 $datarray2['parent'] = 0;
1294 $datarray2['plink'] = $orig_plink;
1296 $datarray2['author-name'] = $person['name'];
1297 $datarray2['author-link'] = $person['url'];
1298 $datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1299 $datarray2['owner-name'] = $datarray2['author-name'];
1300 $datarray2['owner-link'] = $datarray2['author-link'];
1301 $datarray2['owner-avatar'] = $datarray2['author-avatar'];
1302 $datarray2['body'] = $body;
1303 $datarray2["object"] = $object;
1305 DiasporaFetchGuid($datarray2);
1306 $message_id = item_store($datarray2);
1308 logger("Store original item ".$orig_guid." under message id ".$message_id);
1311 DiasporaFetchGuid($datarray);
1312 $message_id = item_store($datarray);
1319 function diaspora_asphoto($importer,$xml,$msg) {
1320 logger('diaspora_asphoto called');
1323 $guid = notags(unxmlify($xml->guid));
1324 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1326 if($diaspora_handle != $msg['author']) {
1327 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1331 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1335 if(! diaspora_post_allow($importer,$contact, false)) {
1336 logger('diaspora_asphoto: Ignoring this author.');
1340 $message_id = $diaspora_handle . ':' . $guid;
1341 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1342 intval($importer['uid']),
1346 logger('diaspora_asphoto: message exists: ' . $guid);
1350 $created = unxmlify($xml->created_at);
1351 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1353 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1354 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1355 $body = scale_external_images($body,false);
1357 elseif($xml->image_url) {
1358 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1359 $body = scale_external_images($body);
1362 logger('diaspora_asphoto: no photo url found.');
1366 $plink = diaspora_plink($diaspora_handle, $guid);
1368 $datarray = array();
1370 $datarray['uid'] = $importer['uid'];
1371 $datarray['contact-id'] = $contact['id'];
1372 $datarray['wall'] = 0;
1373 $datarray['network'] = NETWORK_DIASPORA;
1374 $datarray['guid'] = $guid;
1375 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1376 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1377 $datarray['private'] = $private;
1378 $datarray['parent'] = 0;
1379 $datarray['plink'] = $plink;
1380 $datarray['owner-name'] = $contact['name'];
1381 $datarray['owner-link'] = $contact['url'];
1382 //$datarray['owner-avatar'] = $contact['thumb'];
1383 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1384 $datarray['author-name'] = $contact['name'];
1385 $datarray['author-link'] = $contact['url'];
1386 $datarray['author-avatar'] = $contact['thumb'];
1387 $datarray['body'] = $body;
1388 $datarray["object"] = json_encode($xml);
1389 $datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
1391 $datarray['app'] = 'Diaspora/Cubbi.es';
1393 DiasporaFetchGuid($datarray);
1394 $message_id = item_store($datarray);
1397 // q("update item set plink = '%s' where id = %d",
1398 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1399 // intval($message_id)
1407 function diaspora_comment($importer,$xml,$msg) {
1410 $guid = notags(unxmlify($xml->guid));
1411 $parent_guid = notags(unxmlify($xml->parent_guid));
1412 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1413 $target_type = notags(unxmlify($xml->target_type));
1414 $text = unxmlify($xml->text);
1415 $author_signature = notags(unxmlify($xml->author_signature));
1417 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1419 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1421 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1425 if(! diaspora_post_allow($importer,$contact, true)) {
1426 logger('diaspora_comment: Ignoring this author.');
1430 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1431 intval($importer['uid']),
1435 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1439 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1440 intval($importer['uid']),
1445 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
1448 $person = find_diaspora_person_by_handle($diaspora_handle);
1449 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
1453 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
1455 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1456 intval($importer['uid']),
1463 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1466 $parent_item = $r[0];
1469 /* How Diaspora performs comment signature checking:
1471 - If an item has been sent by the comment author to the top-level post owner to relay on
1472 to the rest of the contacts on the top-level post, the top-level post owner should check
1473 the author_signature, then create a parent_author_signature before relaying the comment on
1474 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1475 check only the parent_author_signature. Basically, they trust that the top-level post
1476 owner has already verified the authenticity of anything he/she sends out
1477 - In either case, the signature that get checked is the signature created by the person
1481 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1484 if($parent_author_signature) {
1485 // If a parent_author_signature exists, then we've received the comment
1486 // relayed from the top-level post owner. There's no need to check the
1487 // author_signature if the parent_author_signature is valid
1489 $parent_author_signature = base64_decode($parent_author_signature);
1491 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1492 logger('diaspora_comment: top-level owner verification failed.');
1497 // If there's no parent_author_signature, then we've received the comment
1498 // from the comment creator. In that case, the person is commenting on
1499 // our post, so he/she must be a contact of ours and his/her public key
1500 // should be in $msg['key']
1502 $author_signature = base64_decode($author_signature);
1504 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1505 logger('diaspora_comment: comment author verification failed.');
1510 // Phew! Everything checks out. Now create an item.
1512 // Find the original comment author information.
1513 // We need this to make sure we display the comment author
1514 // information (name and avatar) correctly.
1515 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1518 $person = find_diaspora_person_by_handle($diaspora_handle);
1520 if(! is_array($person)) {
1521 logger('diaspora_comment: unable to find author details');
1526 // Fetch the contact id - if we know this contact
1527 $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
1528 dbesc(normalise_link($person['url'])), intval($importer['uid']));
1531 $network = $r[0]['network'];
1533 $cid = $contact['id'];
1534 $network = NETWORK_DIASPORA;
1537 $body = diaspora2bb($text);
1538 $message_id = $diaspora_handle . ':' . $guid;
1540 $datarray = array();
1542 $datarray['uid'] = $importer['uid'];
1543 $datarray['contact-id'] = $cid;
1544 $datarray['type'] = 'remote-comment';
1545 $datarray['wall'] = $parent_item['wall'];
1546 $datarray['network'] = $network;
1547 $datarray['verb'] = ACTIVITY_POST;
1548 $datarray['gravity'] = GRAVITY_COMMENT;
1549 $datarray['guid'] = $guid;
1550 $datarray['uri'] = $message_id;
1551 $datarray['parent-uri'] = $parent_item['uri'];
1553 // No timestamps for comments? OK, we'll the use current time.
1554 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1555 $datarray['private'] = $parent_item['private'];
1557 $datarray['owner-name'] = $parent_item['owner-name'];
1558 $datarray['owner-link'] = $parent_item['owner-link'];
1559 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1561 $datarray['author-name'] = $person['name'];
1562 $datarray['author-link'] = $person['url'];
1563 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1564 $datarray['body'] = $body;
1565 $datarray["object"] = json_encode($xml);
1566 $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
1568 // We can't be certain what the original app is if the message is relayed.
1569 if(($parent_item['origin']) && (! $parent_author_signature))
1570 $datarray['app'] = 'Diaspora';
1572 DiasporaFetchGuid($datarray);
1573 $message_id = item_store($datarray);
1575 $datarray['id'] = $message_id;
1578 //q("update item set plink = '%s' where id = %d",
1579 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1580 // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
1581 // intval($message_id)
1585 // If we are the origin of the parent we store the original signature and notify our followers
1586 if($parent_item['origin']) {
1587 $author_signature_base64 = base64_encode($author_signature);
1588 $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
1590 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1591 intval($message_id),
1592 dbesc($signed_data),
1593 dbesc($author_signature_base64),
1594 dbesc($diaspora_handle)
1598 proc_run('php','include/notifier.php','comment-import',$message_id);
1601 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1602 dbesc($parent_item['uri']),
1603 intval($importer['uid'])
1606 if(count($myconv)) {
1607 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1609 foreach($myconv as $conv) {
1611 // now if we find a match, it means we're in this conversation
1613 if(! link_compare($conv['author-link'],$importer_url))
1616 require_once('include/enotify.php');
1618 $conv_parent = $conv['parent'];
1621 'type' => NOTIFY_COMMENT,
1622 'notify_flags' => $importer['notify-flags'],
1623 'language' => $importer['language'],
1624 'to_name' => $importer['username'],
1625 'to_email' => $importer['email'],
1626 'uid' => $importer['uid'],
1627 'item' => $datarray,
1628 'link' => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
1629 'source_name' => $datarray['author-name'],
1630 'source_link' => $datarray['author-link'],
1631 'source_photo' => $datarray['author-avatar'],
1632 'verb' => ACTIVITY_POST,
1634 'parent' => $conv_parent,
1635 'parent_uri' => $parent_uri
1638 // only send one notification
1648 function diaspora_conversation($importer,$xml,$msg) {
1652 $guid = notags(unxmlify($xml->guid));
1653 $subject = notags(unxmlify($xml->subject));
1654 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1655 $participant_handles = notags(unxmlify($xml->participant_handles));
1656 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1658 $parent_uri = $diaspora_handle . ':' . $guid;
1660 $messages = $xml->message;
1662 if(! count($messages)) {
1663 logger('diaspora_conversation: empty conversation');
1667 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1669 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1673 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1674 logger('diaspora_conversation: Ignoring this author.');
1678 $conversation = null;
1680 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1681 intval($importer['uid']),
1685 $conversation = $c[0];
1687 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1688 intval($importer['uid']),
1690 dbesc($diaspora_handle),
1691 dbesc(datetime_convert('UTC','UTC',$created_at)),
1692 dbesc(datetime_convert()),
1694 dbesc($participant_handles)
1697 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1698 intval($importer['uid']),
1702 $conversation = $c[0];
1704 if(! $conversation) {
1705 logger('diaspora_conversation: unable to create conversation.');
1709 foreach($messages as $mesg) {
1713 $msg_guid = notags(unxmlify($mesg->guid));
1714 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1715 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1716 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1717 $msg_text = unxmlify($mesg->text);
1718 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1719 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1720 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1721 if($msg_conversation_guid != $guid) {
1722 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1726 $body = diaspora2bb($msg_text);
1727 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1729 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1731 $author_signature = base64_decode($msg_author_signature);
1733 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1738 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1740 if(is_array($person) && x($person,'pubkey'))
1741 $key = $person['pubkey'];
1743 logger('diaspora_conversation: unable to find author details');
1748 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1749 logger('diaspora_conversation: verification failed.');
1753 if($msg_parent_author_signature) {
1754 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1756 $parent_author_signature = base64_decode($msg_parent_author_signature);
1760 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1761 logger('diaspora_conversation: owner verification failed.');
1766 $r = q("select id from mail where `uri` = '%s' limit 1",
1770 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1774 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1775 intval($importer['uid']),
1777 intval($conversation['id']),
1778 dbesc($person['name']),
1779 dbesc($person['photo']),
1780 dbesc($person['url']),
1781 intval($contact['id']),
1788 dbesc($msg_created_at)
1791 q("update conv set updated = '%s' where id = %d",
1792 dbesc(datetime_convert()),
1793 intval($conversation['id'])
1796 require_once('include/enotify.php');
1798 'type' => NOTIFY_MAIL,
1799 'notify_flags' => $importer['notify-flags'],
1800 'language' => $importer['language'],
1801 'to_name' => $importer['username'],
1802 'to_email' => $importer['email'],
1803 'uid' =>$importer['uid'],
1804 'item' => array('subject' => $subject, 'body' => $body),
1805 'source_name' => $person['name'],
1806 'source_link' => $person['url'],
1807 'source_photo' => $person['thumb'],
1808 'verb' => ACTIVITY_POST,
1816 function diaspora_message($importer,$xml,$msg) {
1820 $msg_guid = notags(unxmlify($xml->guid));
1821 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1822 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1823 $msg_author_signature = notags(unxmlify($xml->author_signature));
1824 $msg_text = unxmlify($xml->text);
1825 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1826 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1827 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1829 $parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
1831 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1833 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1837 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1838 logger('diaspora_message: Ignoring this author.');
1842 $conversation = null;
1844 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1845 intval($importer['uid']),
1846 dbesc($msg_conversation_guid)
1849 $conversation = $c[0];
1851 logger('diaspora_message: conversation not available.');
1857 $body = diaspora2bb($msg_text);
1858 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1860 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1863 $author_signature = base64_decode($msg_author_signature);
1865 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1866 if(is_array($person) && x($person,'pubkey'))
1867 $key = $person['pubkey'];
1869 logger('diaspora_message: unable to find author details');
1873 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1874 logger('diaspora_message: verification failed.');
1878 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1880 intval($importer['uid'])
1883 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1887 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')",
1888 intval($importer['uid']),
1890 intval($conversation['id']),
1891 dbesc($person['name']),
1892 dbesc($person['photo']),
1893 dbesc($person['url']),
1894 intval($contact['id']),
1895 dbesc($conversation['subject']),
1901 dbesc($msg_created_at)
1904 q("update conv set updated = '%s' where id = %d",
1905 dbesc(datetime_convert()),
1906 intval($conversation['id'])
1912 function diaspora_participation($importer,$xml) {
1913 logger("Unsupported message type 'participation' ".print_r($xml, true));
1916 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1920 logger('diaspora_photo: init',LOGGER_DEBUG);
1922 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1924 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1926 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1928 $guid = notags(unxmlify($xml->guid));
1930 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1932 $public = notags(unxmlify($xml->public));
1934 $created_at = notags(unxmlify($xml_created_at));
1936 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1938 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1940 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1944 if(! diaspora_post_allow($importer,$contact, false)) {
1945 logger('diaspora_photo: Ignoring this author.');
1949 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1950 intval($importer['uid']),
1951 dbesc($status_message_guid)
1954 /* deactivated by now since it can lead to multiplicated pictures in posts.
1956 $result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
1959 $person = find_diaspora_person_by_handle($diaspora_handle);
1960 $result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
1964 logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
1966 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1967 intval($importer['uid']),
1968 dbesc($status_message_guid)
1975 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1976 intval($importer['uid']),
1977 dbesc(serialize($msg)),
1978 intval($attempt + 1)
1982 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1986 $parent_item = $r[0];
1988 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1990 $link_text = scale_external_images($link_text, true,
1991 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1993 if(strpos($parent_item['body'],$link_text) === false) {
1995 $parent_item['body'] = $link_text . $parent_item['body'];
1997 $r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
1998 dbesc($parent_item['body']),
1999 intval($parent_item['id']),
2000 intval($parent_item['uid'])
2002 put_item_in_cache($parent_item, true);
2003 update_thread($parent_item['id']);
2012 function diaspora_like($importer,$xml,$msg) {
2015 $guid = notags(unxmlify($xml->guid));
2016 $parent_guid = notags(unxmlify($xml->parent_guid));
2017 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2018 $target_type = notags(unxmlify($xml->target_type));
2019 $positive = notags(unxmlify($xml->positive));
2020 $author_signature = notags(unxmlify($xml->author_signature));
2022 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2024 // likes on comments not supported here and likes on photos not supported by Diaspora
2026 // if($target_type !== 'Post')
2029 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
2031 logger('diaspora_like: cannot find contact: ' . $msg['author']);
2035 if(! diaspora_post_allow($importer,$contact, false)) {
2036 logger('diaspora_like: Ignoring this author.');
2040 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2041 intval($importer['uid']),
2046 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
2049 $person = find_diaspora_person_by_handle($diaspora_handle);
2050 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
2054 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
2056 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2057 intval($importer['uid']),
2064 logger('diaspora_like: parent item not found: ' . $guid);
2068 $parent_item = $r[0];
2070 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2071 intval($importer['uid']),
2075 if($positive === 'true') {
2076 logger('diaspora_like: duplicate like: ' . $guid);
2079 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2080 // It looks like "RelayableRetractions" are used for "unlike" instead
2081 if($positive === 'false') {
2082 logger('diaspora_like: received a like with positive set to "false"...ignoring');
2083 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
2084 intval($r[0]['id']),
2085 intval($importer['uid'])
2087 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
2088 // send notification via proc_run()
2092 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2093 // It looks like "RelayableRetractions" are used for "unlike" instead
2094 if($positive === 'false') {
2095 logger('diaspora_like: received a like with positive set to "false"');
2096 logger('diaspora_like: unlike received with no corresponding like...ignoring');
2101 /* How Diaspora performs "like" signature checking:
2103 - If an item has been sent by the like author to the top-level post owner to relay on
2104 to the rest of the contacts on the top-level post, the top-level post owner should check
2105 the author_signature, then create a parent_author_signature before relaying the like on
2106 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2107 check only the parent_author_signature. Basically, they trust that the top-level post
2108 owner has already verified the authenticity of anything he/she sends out
2109 - In either case, the signature that get checked is the signature created by the person
2113 // Diaspora has changed the way they are signing the likes.
2114 // Just to make sure that we don't miss any likes we will check the old and the current way.
2115 $old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
2117 $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
2121 if ($parent_author_signature) {
2122 // If a parent_author_signature exists, then we've received the like
2123 // relayed from the top-level post owner. There's no need to check the
2124 // author_signature if the parent_author_signature is valid
2126 $parent_author_signature = base64_decode($parent_author_signature);
2128 if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
2129 !rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
2131 logger('diaspora_like: top-level owner verification failed.');
2135 // If there's no parent_author_signature, then we've received the like
2136 // from the like creator. In that case, the person is "like"ing
2137 // our post, so he/she must be a contact of ours and his/her public key
2138 // should be in $msg['key']
2140 $author_signature = base64_decode($author_signature);
2142 if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
2143 !rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
2145 logger('diaspora_like: like creator verification failed.');
2150 // Phew! Everything checks out. Now create an item.
2152 // Find the original comment author information.
2153 // We need this to make sure we display the comment author
2154 // information (name and avatar) correctly.
2155 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
2158 $person = find_diaspora_person_by_handle($diaspora_handle);
2160 if(! is_array($person)) {
2161 logger('diaspora_like: unable to find author details');
2166 $uri = $diaspora_handle . ':' . $guid;
2168 $activity = ACTIVITY_LIKE;
2169 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
2170 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
2171 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
2172 $body = $parent_item['body'];
2177 <type>$objtype</type>
2179 <id>{$parent_item['uri']}</id>
2182 <content>$body</content>
2185 $bodyverb = t('%1$s likes %2$s\'s %3$s');
2187 // Fetch the contact id - if we know this contact
2188 $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
2189 dbesc(normalise_link($person['url'])), intval($importer['uid']));
2192 $network = $r[0]['network'];
2194 $cid = $contact['id'];
2195 $network = NETWORK_DIASPORA;
2201 $arr['uid'] = $importer['uid'];
2202 $arr['guid'] = $guid;
2203 $arr['network'] = $network;
2204 $arr['contact-id'] = $cid;
2205 $arr['type'] = 'activity';
2206 $arr['wall'] = $parent_item['wall'];
2207 $arr['gravity'] = GRAVITY_LIKE;
2208 $arr['parent'] = $parent_item['id'];
2209 $arr['parent-uri'] = $parent_item['uri'];
2211 $arr['owner-name'] = $parent_item['name'];
2212 $arr['owner-link'] = $parent_item['url'];
2213 //$arr['owner-avatar'] = $parent_item['thumb'];
2214 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
2216 $arr['author-name'] = $person['name'];
2217 $arr['author-link'] = $person['url'];
2218 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
2220 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
2221 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
2222 //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
2223 $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
2224 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
2226 $arr['app'] = 'Diaspora';
2228 $arr['private'] = $parent_item['private'];
2229 $arr['verb'] = $activity;
2230 $arr['object-type'] = $objtype;
2231 $arr['object'] = $obj;
2232 $arr['visible'] = 1;
2234 $arr['last-child'] = 0;
2236 $message_id = item_store($arr);
2240 // q("update item set plink = '%s' where id = %d",
2241 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
2242 // dbesc($a->get_baseurl().'/display/'.$guid),
2243 // intval($message_id)
2247 // If we are the origin of the parent we store the original signature and notify our followers
2248 if($parent_item['origin']) {
2249 $author_signature_base64 = base64_encode($author_signature);
2250 $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
2252 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2253 intval($message_id),
2254 dbesc($signed_data),
2255 dbesc($author_signature_base64),
2256 dbesc($diaspora_handle)
2260 proc_run('php','include/notifier.php','comment-import',$message_id);
2266 function diaspora_retraction($importer,$xml) {
2269 $guid = notags(unxmlify($xml->guid));
2270 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2271 $type = notags(unxmlify($xml->type));
2273 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2277 if($type === 'Person') {
2278 require_once('include/Contact.php');
2279 contact_remove($contact['id']);
2280 } elseif($type === 'StatusMessage') {
2281 $guid = notags(unxmlify($xml->post_guid));
2283 $r = q("SELECT * FROM `item` WHERE `guid` = '%s' AND `uid` = %d AND NOT `file` LIKE '%%[%%' LIMIT 1",
2285 intval($importer['uid'])
2288 if(link_compare($r[0]['author-link'],$contact['url'])) {
2289 q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d",
2290 dbesc(datetime_convert()),
2293 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2296 } elseif($type === 'Post') {
2297 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2299 intval($importer['uid'])
2302 if(link_compare($r[0]['author-link'],$contact['url'])) {
2303 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2304 dbesc(datetime_convert()),
2307 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2316 function diaspora_signed_retraction($importer,$xml,$msg) {
2319 $guid = notags(unxmlify($xml->target_guid));
2320 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2321 $type = notags(unxmlify($xml->target_type));
2322 $sig = notags(unxmlify($xml->target_author_signature));
2324 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2326 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2328 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2333 $signed_data = $guid . ';' . $type ;
2336 /* How Diaspora performs relayable_retraction signature checking:
2338 - If an item has been sent by the item author to the top-level post owner to relay on
2339 to the rest of the contacts on the top-level post, the top-level post owner checks
2340 the author_signature, then creates a parent_author_signature before relaying the item on
2341 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2342 check only the parent_author_signature. Basically, they trust that the top-level post
2343 owner has already verified the authenticity of anything he/she sends out
2344 - In either case, the signature that get checked is the signature created by the person
2348 if($parent_author_signature) {
2350 $parent_author_signature = base64_decode($parent_author_signature);
2352 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2353 logger('diaspora_signed_retraction: top-level post owner verification failed');
2359 $sig_decode = base64_decode($sig);
2361 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2362 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2367 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2368 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2370 intval($importer['uid'])
2373 if(link_compare($r[0]['author-link'],$contact['url'])) {
2374 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2375 dbesc(datetime_convert()),
2376 dbesc(datetime_convert()),
2379 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2381 // Now check if the retraction needs to be relayed by us
2383 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2384 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2385 // The only item with `parent` and `id` as the parent id is the parent item.
2386 $p = q("SELECT `origin` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
2387 intval($r[0]['parent']),
2388 intval($r[0]['parent'])
2391 if($p[0]['origin']) {
2392 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2394 dbesc($signed_data),
2396 dbesc($diaspora_handle)
2399 // the existence of parent_author_signature would have meant the parent_author or owner
2400 // is already relaying.
2401 logger('diaspora_signed_retraction: relaying relayable_retraction');
2403 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2410 logger('diaspora_signed_retraction: unknown type: ' . $type);
2416 function diaspora_profile($importer,$xml,$msg) {
2419 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2422 if($diaspora_handle != $msg['author']) {
2423 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2427 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2431 //if($contact['blocked']) {
2432 // logger('diaspora_post: Ignoring this author.');
2436 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2437 $image_url = unxmlify($xml->image_url);
2438 $birthday = unxmlify($xml->birthday);
2439 $location = diaspora2bb(unxmlify($xml->location));
2440 $about = diaspora2bb(unxmlify($xml->bio));
2441 $gender = unxmlify($xml->gender);
2442 $searchable = (unxmlify($xml->searchable) == "true");
2443 $nsfw = (unxmlify($xml->nsfw) == "true");
2444 $tags = unxmlify($xml->tag_string);
2446 $tags = explode("#", $tags);
2448 $keywords = array();
2449 foreach ($tags as $tag) {
2450 $tag = trim(strtolower($tag));
2455 $keywords = implode(", ", $keywords);
2457 $handle_parts = explode("@", $diaspora_handle);
2458 $nick = $handle_parts[0];
2461 $name = $handle_parts[0];
2464 if( preg_match("|^https?://|", $image_url) === 0) {
2465 $image_url = "http://" . $handle_parts[1] . $image_url;
2468 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2469 intval($importer['uid']),
2470 intval($contact['id'])
2472 $oldphotos = ((count($r)) ? $r : null);*/
2474 require_once('include/Photo.php');
2476 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2478 // Generic birthday. We don't know the timezone. The year is irrelevant.
2480 $birthday = str_replace('1000','1901',$birthday);
2482 if ($birthday != "")
2483 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2485 // this is to prevent multiple birthday notifications in a single year
2486 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2488 if(substr($birthday,5) === substr($contact['bd'],5))
2489 $birthday = $contact['bd'];
2491 /// @TODO Update name on item['author-name'] if the name changed. See consume_feed()
2492 /// (Not doing this currently because D* protocol is scheduled for revision soon).
2494 $r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
2497 dbesc($diaspora_handle),
2498 dbesc(datetime_convert()),
2502 dbesc(datetime_convert()),
2508 intval($contact['id']),
2509 intval($importer['uid'])
2513 require_once('include/socgraph.php');
2514 poco_check($contact['url'], $name, NETWORK_DIASPORA, $image_url, $about, $location, $gender, $keywords, "",
2515 datetime_convert(), 2, $contact['id'], $importer['uid']);
2518 update_gcontact(array("url" => $contact['url'], "network" => NETWORK_DIASPORA, "generation" => 2,
2519 "photo" => $image_url, "name" => $name, "location" => $location,
2520 "about" => $about, "birthday" => $birthday, "gender" => $gender,
2521 "addr" => $diaspora_handle, "nick" => $nick, "keywords" => $keywords,
2522 "hide" => !$searchable, "nsfw" => $nsfw));
2526 foreach($oldphotos as $ph) {
2527 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2528 intval($importer['uid']),
2529 intval($contact['id']),
2530 dbesc($ph['resource-id'])
2540 function diaspora_share($me,$contact) {
2542 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2543 $theiraddr = $contact['addr'];
2545 $tpl = get_markup_template('diaspora_share.tpl');
2546 $msg = replace_macros($tpl, array(
2547 '$sender' => $myaddr,
2548 '$recipient' => $theiraddr
2551 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2552 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2554 return(diaspora_transmit($owner,$contact,$slap, false));
2557 function diaspora_unshare($me,$contact) {
2560 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2562 $tpl = get_markup_template('diaspora_retract.tpl');
2563 $msg = replace_macros($tpl, array(
2564 '$guid' => $me['guid'],
2565 '$type' => 'Person',
2566 '$handle' => $myaddr
2569 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2570 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2572 return(diaspora_transmit($owner,$contact,$slap, false));
2577 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2580 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2581 $theiraddr = $contact['addr'];
2585 $title = $item['title'];
2586 $body = $item['body'];
2589 // We're trying to match Diaspora's split message/photo protocol but
2590 // all the photos are displayed on D* as links and not img's - even
2591 // though we're sending pretty much precisely what they send us when
2592 // doing the same operation.
2593 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2594 // which seems to get through intact.
2596 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2598 foreach($matches as $mtch) {
2600 $detail['str'] = $mtch[0];
2601 $detail['path'] = dirname($mtch[1]) . '/';
2602 $detail['file'] = basename($mtch[1]);
2603 $detail['guid'] = $item['guid'];
2604 $detail['handle'] = $myaddr;
2605 $images[] = $detail;
2606 $body = str_replace($detail['str'],$mtch[1],$body);
2611 //if(strlen($title))
2612 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2614 // convert to markdown
2615 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2616 //$body = bb2diaspora($body);
2620 $body = "## ".html_entity_decode($title)."\n\n".$body;
2622 if($item['attach']) {
2623 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2625 $body .= "\n" . t('Attachments:') . "\n";
2626 foreach($matches as $mtch) {
2627 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2633 $public = (($item['private']) ? 'false' : 'true');
2635 require_once('include/datetime.php');
2636 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2638 // Detect a share element and do a reshare
2639 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2640 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2641 $tpl = get_markup_template('diaspora_reshare.tpl');
2642 $msg = replace_macros($tpl, array(
2643 '$root_handle' => xmlify($ret['root_handle']),
2644 '$root_guid' => $ret['root_guid'],
2645 '$guid' => $item['guid'],
2646 '$handle' => xmlify($myaddr),
2647 '$public' => $public,
2648 '$created' => $created,
2649 '$provider' => $item["app"]
2652 $tpl = get_markup_template('diaspora_post.tpl');
2653 $msg = replace_macros($tpl, array(
2655 '$guid' => $item['guid'],
2656 '$handle' => xmlify($myaddr),
2657 '$public' => $public,
2658 '$created' => $created,
2659 '$provider' => $item["app"]
2663 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2664 logger('send guid '.$item['guid'], LOGGER_DEBUG);
2666 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2667 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2669 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']);
2671 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2673 if(count($images)) {
2674 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2677 return $return_code;
2680 function diaspora_is_reshare($body) {
2681 $body = trim($body);
2683 // Skip if it isn't a pure repeated messages
2684 // Does it start with a share?
2685 if (strpos($body, "[share") > 0)
2688 // Does it end with a share?
2689 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2692 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2693 // Skip if there is no shared message in there
2694 if ($body == $attributes)
2698 preg_match("/guid='(.*?)'/ism", $attributes, $matches);
2699 if ($matches[1] != "")
2700 $guid = $matches[1];
2702 preg_match('/guid="(.*?)"/ism', $attributes, $matches);
2703 if ($matches[1] != "")
2704 $guid = $matches[1];
2707 $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
2708 dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
2711 $ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
2712 $ret["root_guid"] = $guid;
2718 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2719 if ($matches[1] != "")
2720 $profile = $matches[1];
2722 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2723 if ($matches[1] != "")
2724 $profile = $matches[1];
2728 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2729 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2733 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2734 if ($matches[1] != "")
2735 $link = $matches[1];
2737 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2738 if ($matches[1] != "")
2739 $link = $matches[1];
2741 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2742 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2748 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2750 if(! count($images))
2752 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2754 $tpl = get_markup_template('diaspora_photo.tpl');
2755 foreach($images as $image) {
2756 if(! stristr($image['path'],$mysite))
2758 $resource = str_replace('.jpg','',$image['file']);
2759 $resource = substr($resource,0,strpos($resource,'-'));
2761 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2763 intval($owner['uid'])
2767 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2768 $msg = replace_macros($tpl,array(
2769 '$path' => xmlify($image['path']),
2770 '$filename' => xmlify($image['file']),
2771 '$msg_guid' => xmlify($image['guid']),
2772 '$guid' => xmlify($r[0]['guid']),
2773 '$handle' => xmlify($image['handle']),
2774 '$public' => xmlify($public),
2775 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2779 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2780 logger('send guid '.$r[0]['guid'], LOGGER_DEBUG);
2782 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2783 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2785 diaspora_transmit($owner,$contact,$slap,$public_batch,false,$r[0]['guid']);
2790 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2793 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2794 // $theiraddr = $contact['addr'];
2796 // Diaspora doesn't support threaded comments, but some
2797 // versions of Diaspora (i.e. Diaspora-pistos) support
2798 // likes on comments
2799 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2800 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2801 dbesc($item['thr-parent'])
2805 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2806 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2807 // The only item with `parent` and `id` as the parent id is the parent item.
2808 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2809 intval($item['parent']),
2810 intval($item['parent'])
2818 if($item['verb'] === ACTIVITY_LIKE) {
2819 $tpl = get_markup_template('diaspora_like.tpl');
2821 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2822 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2823 // $positive = (($item['deleted']) ? 'false' : 'true');
2826 if(($item['deleted']))
2827 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2830 $tpl = get_markup_template('diaspora_comment.tpl');
2834 $text = html_entity_decode(bb2diaspora($item['body']));
2839 $signed_text = $positive . ';' . $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $myaddr;
2841 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2843 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2845 $msg = replace_macros($tpl,array(
2846 '$guid' => xmlify($item['guid']),
2847 '$parent_guid' => xmlify($parent['guid']),
2848 '$target_type' =>xmlify($target_type),
2849 '$authorsig' => xmlify($authorsig),
2850 '$body' => xmlify($text),
2851 '$positive' => xmlify($positive),
2852 '$handle' => xmlify($myaddr)
2855 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2856 logger('send guid '.$item['guid'], LOGGER_DEBUG);
2858 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2859 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2861 return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
2865 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2869 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2870 // $theiraddr = $contact['addr'];
2872 // Diaspora doesn't support threaded comments, but some
2873 // versions of Diaspora (i.e. Diaspora-pistos) support
2874 // likes on comments
2875 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2876 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2877 dbesc($item['thr-parent'])
2881 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2882 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2883 // The only item with `parent` and `id` as the parent id is the parent item.
2884 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2885 intval($item['parent']),
2886 intval($item['parent'])
2895 $relay_retract = false;
2896 $sql_sign_id = 'iid';
2897 if( $item['deleted']) {
2898 $relay_retract = true;
2900 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2902 $sql_sign_id = 'retract_iid';
2903 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2905 elseif($item['verb'] === ACTIVITY_LIKE) {
2908 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2909 // $positive = (($item['deleted']) ? 'false' : 'true');
2912 $tpl = get_markup_template('diaspora_like_relay.tpl');
2914 else { // item is a comment
2915 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2919 // fetch the original signature if the relayable was created by a Diaspora
2920 // or DFRN user. Relayables for other networks are not supported.
2922 $r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
2927 $signed_text = $orig_sign['signed_text'];
2928 $authorsig = $orig_sign['signature'];
2929 $handle = $orig_sign['signer'];
2931 // Split the signed text
2932 $signed_parts = explode(";", $signed_text);
2934 // Remove the parent guid
2935 array_shift($signed_parts);
2937 // Remove the comment guid
2938 array_shift($signed_parts);
2940 // Remove the handle
2941 array_pop($signed_parts);
2943 // Glue the parts together
2944 $text = implode(";", $signed_parts);
2947 // This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
2948 // This means that the comment won't be accepted by newer Diaspora servers
2950 $body = $item['body'];
2951 $text = html_entity_decode(bb2diaspora($body));
2953 $handle = diaspora_handle_from_contact($item['contact-id']);
2958 $signed_text = $item['guid'] . ';' . $target_type;
2960 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2962 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2964 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2967 // Sign the relayable with the top-level owner's signature
2968 $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2970 $msg = replace_macros($tpl,array(
2971 '$guid' => xmlify($item['guid']),
2972 '$parent_guid' => xmlify($parent['guid']),
2973 '$target_type' =>xmlify($target_type),
2974 '$authorsig' => xmlify($authorsig),
2975 '$parentsig' => xmlify($parentauthorsig),
2976 '$body' => xmlify($text),
2977 '$positive' => xmlify($positive),
2978 '$handle' => xmlify($handle)
2981 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2982 logger('send guid '.$item['guid'], LOGGER_DEBUG);
2984 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2985 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2987 return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
2993 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2996 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2998 // Check whether the retraction is for a top-level post or whether it's a relayable
2999 if( $item['uri'] !== $item['parent-uri'] ) {
3001 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
3002 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
3006 $tpl = get_markup_template('diaspora_signed_retract.tpl');
3007 $target_type = 'StatusMessage';
3010 $signed_text = $item['guid'] . ';' . $target_type;
3012 $msg = replace_macros($tpl, array(
3013 '$guid' => xmlify($item['guid']),
3014 '$type' => xmlify($target_type),
3015 '$handle' => xmlify($myaddr),
3016 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
3019 logger('send guid '.$item['guid'], LOGGER_DEBUG);
3021 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
3022 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
3024 return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
3027 function diaspora_send_mail($item,$owner,$contact) {
3030 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
3032 $r = q("select * from conv where id = %d and uid = %d limit 1",
3033 intval($item['convid']),
3034 intval($item['uid'])
3038 logger('diaspora_send_mail: conversation not found.');
3044 'guid' => xmlify($cnv['guid']),
3045 'subject' => xmlify($cnv['subject']),
3046 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
3047 'diaspora_handle' => xmlify($cnv['creator']),
3048 'participant_handles' => xmlify($cnv['recips'])
3051 $body = bb2diaspora($item['body']);
3052 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
3054 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
3055 . $created . ';' . $myaddr . ';' . $cnv['guid'];
3057 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
3060 'guid' => xmlify($item['guid']),
3061 'parent_guid' => xmlify($cnv['guid']),
3062 'parent_author_signature' => xmlify($sig),
3063 'author_signature' => xmlify($sig),
3064 'text' => xmlify($body),
3065 'created_at' => xmlify($created),
3066 'diaspora_handle' => xmlify($myaddr),
3067 'conversation_guid' => xmlify($cnv['guid'])
3070 if($item['reply']) {
3071 $tpl = get_markup_template('diaspora_message.tpl');
3072 $xmsg = replace_macros($tpl, array('$msg' => $msg));
3075 $conv['messages'] = array($msg);
3076 $tpl = get_markup_template('diaspora_conversation.tpl');
3077 $xmsg = replace_macros($tpl, array('$conv' => $conv));
3080 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
3081 logger('send guid '.$item['guid'], LOGGER_DEBUG);
3083 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
3084 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
3086 return(diaspora_transmit($owner,$contact,$slap,false,false,$item['guid']));
3091 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false,$guid = "") {
3093 $enabled = intval(get_config('system','diaspora_enabled'));
3099 $logid = random_string(4);
3100 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
3102 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
3106 logger('diaspora_transmit: '.$logid.'-'.$guid.' '.$dest_url);
3108 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
3112 if (!intval(get_config('system','diaspora_test'))) {
3113 post_url($dest_url . '/', $slap);
3114 $return_code = $a->get_curl_code();
3116 logger('diaspora_transmit: test_mode');
3121 logger('diaspora_transmit: '.$logid.'-'.$guid.' returns: '.$return_code);
3123 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
3124 logger('diaspora_transmit: queue message');
3126 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
3127 intval($contact['id']),
3128 dbesc(NETWORK_DIASPORA),
3130 intval($public_batch)
3133 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
3136 // queue message for redelivery
3137 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
3142 return(($return_code) ? $return_code : (-1));
3145 function diaspora_fetch_relay() {
3147 $serverdata = get_config("system", "relay_server");
3148 if ($serverdata == "")
3153 $servers = explode(",", $serverdata);
3155 foreach($servers AS $server) {
3156 $server = trim($server);
3157 $batch = $server."/receive/public";
3159 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3162 $addr = "relay@".str_replace("http://", "", normalise_link($server));
3164 $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
3165 VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
3170 dbesc(normalise_link($server)),
3172 dbesc(NETWORK_DIASPORA),
3173 intval(CONTACT_IS_FOLLOWER),
3174 dbesc(datetime_convert()),
3175 dbesc(datetime_convert()),
3176 dbesc(datetime_convert())
3179 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3181 $relay[] = $relais[0];
3183 $relay[] = $relais[0];