5 - GET /people/9aed8882b9f64896/stream
8 require_once('include/crypto.php');
9 require_once('include/items.php');
10 require_once('include/bb2diaspora.php');
11 require_once('include/contact_selectors.php');
12 require_once('include/queue_fn.php');
13 require_once('include/lock.php');
14 require_once('include/threads.php');
15 require_once('mod/share.php');
17 function diaspora_dispatch_public($msg) {
19 $enabled = intval(get_config('system','diaspora_enabled'));
21 logger('mod-diaspora: disabled');
25 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
26 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
27 AND `account_expired` = 0 AND `account_removed` = 0 ",
28 dbesc(NETWORK_DIASPORA),
33 logger('diaspora_public: delivering to: ' . $rr['username']);
34 diaspora_dispatch($rr,$msg);
38 logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
40 // Use a dummy importer
41 $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
42 $result = diaspora_dispatch($importer,$msg);
44 logger("Dispatcher reported ".$result, LOGGER_DEBUG);
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);
115 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
120 function diaspora_handle_from_contact($contact_id) {
123 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
125 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
131 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
133 if($contact['network'] === NETWORK_DIASPORA) {
134 $handle = $contact['addr'];
136 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
138 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
139 $baseurl_start = strpos($contact['url'],'://') + 3;
140 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
141 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
142 $handle = $contact['nick'] . '@' . $baseurl;
144 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
151 function diaspora_get_contact_by_handle($uid,$handle) {
152 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
153 dbesc(NETWORK_DIASPORA),
160 $handle_parts = explode("@", $handle);
161 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
162 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
173 function find_diaspora_person_by_handle($handle) {
183 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
184 dbesc(NETWORK_DIASPORA),
189 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
191 // update record occasionally so it doesn't get stale
192 $d = strtotime($person['updated'] . ' +00:00');
193 if($d < strtotime('now - 14 days'))
198 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
200 // If the person isn't in our 'fcontact' table, or if he/she is but
201 // his/her information hasn't been updated for more than 14 days, then
202 // we want to fetch the person's information from the remote server.
204 // Note that $person isn't changed by this block of code unless the
205 // person's information has been successfully fetched from the remote
206 // server. So if $person was 'false' to begin with (because he/she wasn't
207 // in the local cache), it'll stay false, and if $person held the local
208 // cache information to begin with, it'll keep that information. That way
209 // if there's a problem with the remote fetch, we can at least use our
210 // cached information--it's better than nothing.
212 if((! $person) || ($update)) {
213 // Lock the function to prevent race conditions if multiple items
214 // come in at the same time from a person who doesn't exist in
217 // Don't loop forever. On the last loop, try to create the contact
218 // whether the function is locked or not. Maybe the locking thread
219 // has died or something. At any rate, a duplicate in 'fcontact'
220 // is a much smaller problem than a deadlocked thread
221 $got_lock = lock_function('find_diaspora_person_by_handle', false);
222 if(($endlessloop + 1) >= $maxloops)
226 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
227 require_once('include/Scrape.php');
228 $r = probe_url($handle, PROBE_DIASPORA);
230 // Note that Friendica contacts can return a "Diaspora person"
231 // if Diaspora connectivity is enabled on their server
232 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
233 add_fcontact($r,$update);
237 unlock_function('find_diaspora_person_by_handle');
240 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
242 block_on_function_lock('find_diaspora_person_by_handle');
245 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
246 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
247 // The fact that the function was locked may mean that another process was creating the
248 // person's record. It could also mean another process was creating or updating an unrelated
251 // At any rate, we need to keep trying until we've either got the person or had a chance to
252 // try to fetch his/her remote information. But we don't want to block on locking the
253 // function, because if the other process is creating the record, then when we acquire the lock
254 // we'll dive right into creating another, duplicate record. We DO want to at least wait
255 // until the lock is released, so we don't flood the database with requests.
257 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
258 // we do have some information for the person
264 function get_diaspora_key($uri) {
265 logger('Fetching diaspora key for: ' . $uri);
267 $r = find_diaspora_person_by_handle($uri);
274 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
277 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
280 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
282 // $b64_data = base64_encode($msg);
283 // $b64url_data = base64url_encode($b64_data);
285 $b64url_data = base64url_encode($msg);
287 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
289 $type = 'application/xml';
290 $encoding = 'base64url';
293 $signable_data = $data . '.' . base64url_encode($type) . '.'
294 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
296 $signature = rsa_sign($signable_data,$prvkey);
297 $sig = base64url_encode($signature);
300 <?xml version='1.0' encoding='UTF-8'?>
301 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
303 <author_id>$handle</author_id>
306 <me:encoding>base64url</me:encoding>
307 <me:alg>RSA-SHA256</me:alg>
308 <me:data type="application/xml">$data</me:data>
309 <me:sig>$sig</me:sig>
314 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
322 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
326 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
328 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
330 // without a public key nothing will work
333 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
337 $inner_aes_key = random_string(32);
338 $b_inner_aes_key = base64_encode($inner_aes_key);
339 $inner_iv = random_string(16);
340 $b_inner_iv = base64_encode($inner_iv);
342 $outer_aes_key = random_string(32);
343 $b_outer_aes_key = base64_encode($outer_aes_key);
344 $outer_iv = random_string(16);
345 $b_outer_iv = base64_encode($outer_iv);
347 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
349 $padded_data = pkcs5_pad($msg,16);
350 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
352 $b64_data = base64_encode($inner_encrypted);
355 $b64url_data = base64url_encode($b64_data);
356 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
358 $type = 'application/xml';
359 $encoding = 'base64url';
362 $signable_data = $data . '.' . base64url_encode($type) . '.'
363 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
365 $signature = rsa_sign($signable_data,$prvkey);
366 $sig = base64url_encode($signature);
368 $decrypted_header = <<< EOT
371 <aes_key>$b_inner_aes_key</aes_key>
372 <author_id>$handle</author_id>
376 $decrypted_header = pkcs5_pad($decrypted_header,16);
378 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
380 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
382 $encrypted_outer_key_bundle = '';
383 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
385 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
387 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
389 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
390 'ciphertext' => base64_encode($ciphertext)));
391 $cipher_json = base64_encode($encrypted_header_json_object);
393 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
396 <?xml version='1.0' encoding='UTF-8'?>
397 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
400 <me:encoding>base64url</me:encoding>
401 <me:alg>RSA-SHA256</me:alg>
402 <me:data type="application/xml">$data</me:data>
403 <me:sig>$sig</me:sig>
408 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
415 * diaspora_decode($importer,$xml)
416 * array $importer -> from user table
417 * string $xml -> urldecoded Diaspora salmon
420 * 'message' -> decoded Diaspora XML message
421 * 'author' -> author diaspora handle
422 * 'key' -> author public key (converted to pkcs#8)
424 * Author and key are used elsewhere to save a lookup for verifying replies and likes
428 function diaspora_decode($importer,$xml) {
431 $basedom = parse_xml_string($xml);
433 $children = $basedom->children('https://joindiaspora.com/protocol');
435 if($children->header) {
437 $author_link = str_replace('acct:','',$children->header->author_id);
441 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
443 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
444 $ciphertext = base64_decode($encrypted_header->ciphertext);
446 $outer_key_bundle = '';
447 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
449 $j_outer_key_bundle = json_decode($outer_key_bundle);
451 $outer_iv = base64_decode($j_outer_key_bundle->iv);
452 $outer_key = base64_decode($j_outer_key_bundle->key);
454 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
457 $decrypted = pkcs5_unpad($decrypted);
460 * $decrypted now contains something like
463 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
464 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
469 * <name>Ryan Hughes</name>
470 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
475 * <author_id>galaxor@diaspora.priateship.org</author_id>
479 * </decrypted_header>
482 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
483 $idom = parse_xml_string($decrypted,false);
485 $inner_iv = base64_decode($idom->iv);
486 $inner_aes_key = base64_decode($idom->aes_key);
488 $author_link = str_replace('acct:','',$idom->author_id);
492 $dom = $basedom->children(NAMESPACE_SALMON_ME);
494 // figure out where in the DOM tree our data is hiding
496 if($dom->provenance->data)
497 $base = $dom->provenance;
498 elseif($dom->env->data)
504 logger('mod-diaspora: unable to locate salmon data in xml ');
505 http_status_exit(400);
509 // Stash the signature away for now. We have to find their key or it won't be good for anything.
510 $signature = base64url_decode($base->sig);
514 // strip whitespace so our data element will return to one big base64 blob
515 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
518 // stash away some other stuff for later
520 $type = $base->data[0]->attributes()->type[0];
521 $keyhash = $base->sig[0]->attributes()->keyhash[0];
522 $encoding = $base->encoding;
526 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
530 $data = base64url_decode($data);
534 $inner_decrypted = $data;
538 // Decode the encrypted blob
540 $inner_encrypted = base64_decode($data);
541 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
542 $inner_decrypted = pkcs5_unpad($inner_decrypted);
546 logger('mod-diaspora: Could not retrieve author URI.');
547 http_status_exit(400);
550 // Once we have the author URI, go to the web and try to find their public key
551 // (first this will look it up locally if it is in the fcontact cache)
552 // This will also convert diaspora public key from pkcs#1 to pkcs#8
554 logger('mod-diaspora: Fetching key for ' . $author_link );
555 $key = get_diaspora_key($author_link);
558 logger('mod-diaspora: Could not retrieve author key.');
559 http_status_exit(400);
562 $verify = rsa_verify($signed_data,$signature,$key);
565 logger('mod-diaspora: Message did not verify. Discarding.');
566 http_status_exit(400);
569 logger('mod-diaspora: Message verified.');
571 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
576 function diaspora_request($importer,$xml) {
580 $sender_handle = unxmlify($xml->sender_handle);
581 $recipient_handle = unxmlify($xml->recipient_handle);
583 if(! $sender_handle || ! $recipient_handle)
586 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
590 // perhaps we were already sharing with this person. Now they're sharing with us.
591 // That makes us friends.
593 if($contact['rel'] == CONTACT_IS_FOLLOWER && !in_array($importer['page-flags'], array(PAGE_COMMUNITY, PAGE_SOAPBOX))) {
594 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
595 intval(CONTACT_IS_FRIEND),
596 intval($contact['id']),
597 intval($importer['uid'])
602 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
603 intval($importer['uid'])
606 if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
607 require_once('include/items.php');
609 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
610 intval($importer['uid'])
613 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
615 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
618 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
619 $arr['uid'] = $importer['uid'];
620 $arr['contact-id'] = $self[0]['id'];
622 $arr['type'] = 'wall';
625 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
626 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
627 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
628 $arr['verb'] = ACTIVITY_FRIEND;
629 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
631 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
632 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
633 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
634 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
636 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
637 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
638 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
639 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
640 $arr['object'] .= '</link></object>' . "\n";
641 $arr['last-child'] = 1;
643 $arr['allow_cid'] = $user[0]['allow_cid'];
644 $arr['allow_gid'] = $user[0]['allow_gid'];
645 $arr['deny_cid'] = $user[0]['deny_cid'];
646 $arr['deny_gid'] = $user[0]['deny_gid'];
648 $i = item_store($arr);
650 proc_run('php',"include/notifier.php","activity","$i");
659 $ret = find_diaspora_person_by_handle($sender_handle);
662 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
663 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
667 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
671 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
672 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
673 intval($importer['uid']),
674 dbesc($ret['network']),
678 dbesc(normalise_link($ret['url'])),
682 dbesc($ret['photo']),
683 dbesc($ret['pubkey']),
684 dbesc($ret['notify']),
690 // find the contact record we just created
692 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
694 if(! $contact_record) {
695 logger('diaspora_request: unable to locate newly created contact record.');
699 $g = q("select def_gid from user where uid = %d limit 1",
700 intval($importer['uid'])
702 if($g && intval($g[0]['def_gid'])) {
703 require_once('include/group.php');
704 group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
707 if($importer['page-flags'] == PAGE_NORMAL) {
709 $hash = random_string() . (string) time(); // Generate a confirm_key
711 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
712 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
713 intval($importer['uid']),
714 intval($contact_record['id']),
717 dbesc( t('Sharing notification from Diaspora network')),
719 dbesc(datetime_convert())
724 // automatic friend approval
726 require_once('include/Photo.php');
728 $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
730 // technically they are sharing with us (CONTACT_IS_SHARING),
731 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
732 // we are going to change the relationship and make them a follower.
734 if($importer['page-flags'] == PAGE_FREELOVE)
735 $new_relation = CONTACT_IS_FRIEND;
737 $new_relation = CONTACT_IS_FOLLOWER;
739 $r = q("UPDATE `contact` SET
746 `avatar-date` = '%s',
755 intval($new_relation),
756 dbesc(datetime_convert()),
757 dbesc(datetime_convert()),
758 dbesc(datetime_convert()),
759 intval($contact_record['id'])
762 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
764 $ret = diaspora_share($u[0],$contact_record);
770 function diaspora_post_allow($importer,$contact, $is_comment = false) {
772 // perhaps we were already sharing with this person. Now they're sharing with us.
773 // That makes us friends.
774 // Normally this should have handled by getting a request - but this could get lost
775 if($contact['rel'] == CONTACT_IS_FOLLOWER && !in_array($importer['page-flags'], array(PAGE_COMMUNITY, PAGE_SOAPBOX))) {
776 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
777 intval(CONTACT_IS_FRIEND),
778 intval($contact['id']),
779 intval($importer['uid'])
781 $contact['rel'] = CONTACT_IS_FRIEND;
782 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
785 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
787 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
789 if($contact['rel'] == CONTACT_IS_FOLLOWER)
790 if(($importer['page-flags'] == PAGE_COMMUNITY) OR $is_comment)
793 // Messages for the global users are always accepted
794 if ($importer['uid'] == 0)
800 function diaspora_is_redmatrix($url) {
801 return(strstr($url, "/channel/"));
804 function diaspora_plink($addr, $guid) {
805 $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", $addr);
809 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
811 // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
812 // So we try another way as well.
813 $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
815 $r[0]["network"] = $s[0]["network"];
817 if ($r[0]["network"] == NETWORK_DFRN)
818 return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
820 if (diaspora_is_redmatrix($r[0]["url"]))
821 return $r[0]["url"]."/?f=&mid=".$guid;
823 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
826 function diaspora_post($importer,$xml,$msg) {
829 $guid = notags(unxmlify($xml->guid));
830 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
832 if($diaspora_handle != $msg['author']) {
833 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
837 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
839 logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
843 if(! diaspora_post_allow($importer,$contact, false)) {
844 logger('diaspora_post: Ignoring this author.');
848 $message_id = $diaspora_handle . ':' . $guid;
849 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
850 intval($importer['uid']),
855 logger('diaspora_post: message exists: ' . $guid);
859 $created = unxmlify($xml->created_at);
860 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
862 $body = diaspora2bb($xml->raw_message);
866 $datarray["object"] = json_encode($xml);
868 if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
869 $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
871 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
872 // Add OEmbed and other information to the body
873 if (!diaspora_is_redmatrix($contact['url']))
874 $body = add_page_info_to_body($body, false, true);
879 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
881 foreach($matches as $mtch) {
882 if(strlen($str_tags))
884 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
888 $plink = diaspora_plink($diaspora_handle, $guid);
890 $datarray['uid'] = $importer['uid'];
891 $datarray['contact-id'] = $contact['id'];
892 $datarray['wall'] = 0;
893 $datarray['network'] = NETWORK_DIASPORA;
894 $datarray['verb'] = ACTIVITY_POST;
895 $datarray['guid'] = $guid;
896 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
897 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
898 $datarray['private'] = $private;
899 $datarray['parent'] = 0;
900 $datarray['plink'] = $plink;
901 $datarray['owner-name'] = $contact['name'];
902 $datarray['owner-link'] = $contact['url'];
903 //$datarray['owner-avatar'] = $contact['thumb'];
904 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
905 $datarray['author-name'] = $contact['name'];
906 $datarray['author-link'] = $contact['url'];
907 $datarray['author-avatar'] = $contact['thumb'];
908 $datarray['body'] = $body;
909 $datarray['tag'] = $str_tags;
910 if ($xml->provider_display_name)
911 $datarray["app"] = unxmlify($xml->provider_display_name);
913 $datarray['app'] = 'Diaspora';
915 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
917 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
919 DiasporaFetchGuid($datarray);
920 $message_id = item_store($datarray);
922 logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
928 function DiasporaFetchGuid($item) {
929 preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
930 function ($match) use ($item){
931 return(DiasporaFetchGuidSub($match, $item));
935 function DiasporaFetchGuidSub($match, $item) {
938 if (!diaspora_store_by_guid($match[1], $item["author-link"]))
939 diaspora_store_by_guid($match[1], $item["owner-link"]);
942 function diaspora_store_by_guid($guid, $server, $uid = 0) {
943 require_once("include/Contact.php");
945 $serverparts = parse_url($server);
946 $server = $serverparts["scheme"]."://".$serverparts["host"];
948 logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
950 $item = diaspora_fetch_message($guid, $server);
955 logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
957 $body = $item["body"];
958 $str_tags = $item["tag"];
960 $created = $item["created"];
961 $author = $item["author"];
962 $guid = $item["guid"];
963 $private = $item["private"];
964 $object = $item["object"];
965 $objecttype = $item["object-type"];
967 $message_id = $author.':'.$guid;
968 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
976 $person = find_diaspora_person_by_handle($author);
978 $contact_id = get_contact($person['url'], $uid);
980 $contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
981 $importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
983 if ($contacts AND $importers)
984 if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
985 logger('Ignoring author '.$person['url'].' for uid '.$uid);
988 logger('Author '.$person['url'].' is allowed for uid '.$uid);
991 $datarray['uid'] = $uid;
992 $datarray['contact-id'] = $contact_id;
993 $datarray['wall'] = 0;
994 $datarray['network'] = NETWORK_DIASPORA;
995 $datarray['guid'] = $guid;
996 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
997 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
998 $datarray['private'] = $private;
999 $datarray['parent'] = 0;
1000 $datarray['plink'] = diaspora_plink($author, $guid);
1001 $datarray['author-name'] = $person['name'];
1002 $datarray['author-link'] = $person['url'];
1003 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1004 $datarray['owner-name'] = $datarray['author-name'];
1005 $datarray['owner-link'] = $datarray['author-link'];
1006 $datarray['owner-avatar'] = $datarray['author-avatar'];
1007 $datarray['body'] = $body;
1008 $datarray['tag'] = $str_tags;
1009 $datarray['app'] = $app;
1010 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1011 $datarray['object'] = $object;
1012 $datarray['object-type'] = $objecttype;
1014 if ($datarray['contact-id'] == 0)
1017 DiasporaFetchGuid($datarray);
1018 $message_id = item_store($datarray);
1021 // Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
1026 function diaspora_fetch_message($guid, $server, $level = 0) {
1033 // This will not work if the server is not a Diaspora server
1034 $source_url = $server.'/p/'.$guid.'.xml';
1035 $x = fetch_url($source_url);
1039 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
1040 $source_xml = parse_xml_string($x,false);
1043 $item["app"] = 'Diaspora';
1044 $item["guid"] = $guid;
1047 if ($source_xml->post->status_message->created_at)
1048 $item["created"] = unxmlify($source_xml->post->status_message->created_at);
1050 if ($source_xml->post->status_message->provider_display_name)
1051 $item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
1053 if ($source_xml->post->status_message->diaspora_handle)
1054 $item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
1056 if ($source_xml->post->status_message->guid)
1057 $item["guid"] = unxmlify($source_xml->post->status_message->guid);
1059 $item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
1060 $item["object"] = json_encode($source_xml->post);
1062 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
1063 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1064 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
1065 $body = scale_external_images($body,false);
1066 } elseif($source_xml->post->asphoto->image_url) {
1067 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1068 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
1069 $body = scale_external_images($body);
1070 } elseif($source_xml->post->status_message) {
1071 $body = diaspora2bb($source_xml->post->status_message->raw_message);
1073 // Checking for embedded pictures
1074 if($source_xml->post->status_message->photo->remote_photo_path AND
1075 $source_xml->post->status_message->photo->remote_photo_name) {
1077 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1079 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
1080 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
1082 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
1084 logger('embedded picture link found: '.$body, LOGGER_DEBUG);
1086 $item["object-type"] = ACTIVITY_OBJ_NOTE;
1088 $body = scale_external_images($body);
1090 // Add OEmbed and other information to the body
1091 // To-Do: It could be a repeated redmatrix item
1092 // Then we shouldn't add further data to it
1093 if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
1094 $body = add_page_info_to_body($body, false, true);
1096 } elseif($source_xml->post->reshare) {
1097 // Reshare of a reshare
1098 return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
1100 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
1101 logger('no content found: '.print_r($source_xml,true));
1105 if (trim($body) == "")
1109 $item["body"] = $body;
1114 function diaspora_reshare($importer,$xml,$msg) {
1116 logger('diaspora_reshare: init: ' . print_r($xml,true));
1119 $guid = notags(unxmlify($xml->guid));
1120 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1123 if($diaspora_handle != $msg['author']) {
1124 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1128 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1132 if(! diaspora_post_allow($importer,$contact, false)) {
1133 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
1137 $message_id = $diaspora_handle . ':' . $guid;
1138 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1139 intval($importer['uid']),
1144 logger('diaspora_reshare: message exists: ' . $guid);
1148 $orig_author = notags(unxmlify($xml->root_diaspora_id));
1149 $orig_guid = notags(unxmlify($xml->root_guid));
1150 $orig_url = $a->get_baseurl()."/display/".$orig_guid;
1152 $create_original_post = false;
1154 // Do we already have this item?
1155 $r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
1157 dbesc(NETWORK_DIASPORA)
1160 logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
1162 // Maybe it is already a reshared item?
1163 // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
1164 require_once('include/api.php');
1165 if (api_share_as_retweet($r[0]))
1168 $body = $r[0]["body"];
1169 $str_tags = $r[0]["tag"];
1170 $app = $r[0]["app"];
1171 $orig_created = $r[0]["created"];
1172 $orig_plink = $r[0]["plink"];
1173 $orig_uri = $r[0]["uri"];
1174 $object = $r[0]["object"];
1175 $objecttype = $r[0]["object-type"];
1184 $server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
1185 logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1186 $item = diaspora_fetch_message($orig_guid, $server);
1189 $server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1190 logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1191 $item = diaspora_fetch_message($orig_guid, $server);
1194 $server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
1195 logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1196 $item = diaspora_fetch_message($orig_guid, $server);
1199 $server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1200 logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1201 $item = diaspora_fetch_message($orig_guid, $server);
1205 $body = $item["body"];
1206 $str_tags = $item["tag"];
1207 $app = $item["app"];
1208 $orig_created = $item["created"];
1209 $orig_author = $item["author"];
1210 $orig_guid = $item["guid"];
1211 $orig_plink = diaspora_plink($orig_author, $orig_guid);
1212 $orig_uri = $orig_author.':'.$orig_guid;
1213 $create_original_post = ($body != "");
1214 $object = $item["object"];
1215 $objecttype = $item["object-type"];
1219 $plink = diaspora_plink($diaspora_handle, $guid);
1221 $person = find_diaspora_person_by_handle($orig_author);
1223 $created = unxmlify($xml->created_at);
1224 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1226 $datarray = array();
1228 $datarray['uid'] = $importer['uid'];
1229 $datarray['contact-id'] = $contact['id'];
1230 $datarray['wall'] = 0;
1231 $datarray['network'] = NETWORK_DIASPORA;
1232 $datarray['guid'] = $guid;
1233 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1234 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1235 $datarray['private'] = $private;
1236 $datarray['parent'] = 0;
1237 $datarray['plink'] = $plink;
1238 $datarray['owner-name'] = $contact['name'];
1239 $datarray['owner-link'] = $contact['url'];
1240 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1241 if (!intval(get_config('system','wall-to-wall_share'))) {
1242 $prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
1244 $datarray['author-name'] = $contact['name'];
1245 $datarray['author-link'] = $contact['url'];
1246 $datarray['author-avatar'] = $contact['thumb'];
1247 $datarray['body'] = $prefix.$body."[/share]";
1249 // Let reshared messages look like wall-to-wall posts
1250 $datarray['author-name'] = $person['name'];
1251 $datarray['author-link'] = $person['url'];
1252 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1253 $datarray['body'] = $body;
1256 $datarray["object"] = json_encode($xml);
1257 $datarray['object-type'] = $objecttype;
1259 $datarray['tag'] = $str_tags;
1260 $datarray['app'] = $app;
1262 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1263 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1265 // Store the original item of a reshare
1266 if ($create_original_post) {
1267 require_once("include/Contact.php");
1269 $datarray2 = $datarray;
1271 $datarray2['uid'] = 0;
1272 $datarray2['contact-id'] = get_contact($person['url'], 0);
1273 $datarray2['guid'] = $orig_guid;
1274 $datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
1275 $datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
1276 $datarray2['parent'] = 0;
1277 $datarray2['plink'] = $orig_plink;
1279 $datarray2['author-name'] = $person['name'];
1280 $datarray2['author-link'] = $person['url'];
1281 $datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1282 $datarray2['owner-name'] = $datarray2['author-name'];
1283 $datarray2['owner-link'] = $datarray2['author-link'];
1284 $datarray2['owner-avatar'] = $datarray2['author-avatar'];
1285 $datarray2['body'] = $body;
1286 $datarray2["object"] = $object;
1288 DiasporaFetchGuid($datarray2);
1289 $message_id = item_store($datarray2);
1291 logger("Store original item ".$orig_guid." under message id ".$message_id);
1294 DiasporaFetchGuid($datarray);
1295 $message_id = item_store($datarray);
1302 function diaspora_asphoto($importer,$xml,$msg) {
1303 logger('diaspora_asphoto called');
1306 $guid = notags(unxmlify($xml->guid));
1307 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1309 if($diaspora_handle != $msg['author']) {
1310 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1314 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1318 if(! diaspora_post_allow($importer,$contact, false)) {
1319 logger('diaspora_asphoto: Ignoring this author.');
1323 $message_id = $diaspora_handle . ':' . $guid;
1324 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1325 intval($importer['uid']),
1330 logger('diaspora_asphoto: message exists: ' . $guid);
1334 $created = unxmlify($xml->created_at);
1335 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1337 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1338 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1339 $body = scale_external_images($body,false);
1341 elseif($xml->image_url) {
1342 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1343 $body = scale_external_images($body);
1346 logger('diaspora_asphoto: no photo url found.');
1350 $plink = diaspora_plink($diaspora_handle, $guid);
1352 $datarray = array();
1354 $datarray['uid'] = $importer['uid'];
1355 $datarray['contact-id'] = $contact['id'];
1356 $datarray['wall'] = 0;
1357 $datarray['network'] = NETWORK_DIASPORA;
1358 $datarray['guid'] = $guid;
1359 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1360 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1361 $datarray['private'] = $private;
1362 $datarray['parent'] = 0;
1363 $datarray['plink'] = $plink;
1364 $datarray['owner-name'] = $contact['name'];
1365 $datarray['owner-link'] = $contact['url'];
1366 //$datarray['owner-avatar'] = $contact['thumb'];
1367 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1368 $datarray['author-name'] = $contact['name'];
1369 $datarray['author-link'] = $contact['url'];
1370 $datarray['author-avatar'] = $contact['thumb'];
1371 $datarray['body'] = $body;
1372 $datarray["object"] = json_encode($xml);
1373 $datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
1375 $datarray['app'] = 'Diaspora/Cubbi.es';
1377 DiasporaFetchGuid($datarray);
1378 $message_id = item_store($datarray);
1381 // q("update item set plink = '%s' where id = %d",
1382 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1383 // intval($message_id)
1396 function diaspora_comment($importer,$xml,$msg) {
1399 $guid = notags(unxmlify($xml->guid));
1400 $parent_guid = notags(unxmlify($xml->parent_guid));
1401 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1402 $target_type = notags(unxmlify($xml->target_type));
1403 $text = unxmlify($xml->text);
1404 $author_signature = notags(unxmlify($xml->author_signature));
1406 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1408 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1410 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1414 if(! diaspora_post_allow($importer,$contact, true)) {
1415 logger('diaspora_comment: Ignoring this author.');
1419 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1420 intval($importer['uid']),
1424 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1428 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1429 intval($importer['uid']),
1434 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
1437 $person = find_diaspora_person_by_handle($diaspora_handle);
1438 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
1442 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
1444 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1445 intval($importer['uid']),
1452 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1455 $parent_item = $r[0];
1458 /* How Diaspora performs comment signature checking:
1460 - If an item has been sent by the comment author to the top-level post owner to relay on
1461 to the rest of the contacts on the top-level post, the top-level post owner should check
1462 the author_signature, then create a parent_author_signature before relaying the comment on
1463 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1464 check only the parent_author_signature. Basically, they trust that the top-level post
1465 owner has already verified the authenticity of anything he/she sends out
1466 - In either case, the signature that get checked is the signature created by the person
1470 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1473 if($parent_author_signature) {
1474 // If a parent_author_signature exists, then we've received the comment
1475 // relayed from the top-level post owner. There's no need to check the
1476 // author_signature if the parent_author_signature is valid
1478 $parent_author_signature = base64_decode($parent_author_signature);
1480 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1481 logger('diaspora_comment: top-level owner verification failed.');
1486 // If there's no parent_author_signature, then we've received the comment
1487 // from the comment creator. In that case, the person is commenting on
1488 // our post, so he/she must be a contact of ours and his/her public key
1489 // should be in $msg['key']
1491 $author_signature = base64_decode($author_signature);
1493 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1494 logger('diaspora_comment: comment author verification failed.');
1499 // Phew! Everything checks out. Now create an item.
1501 // Find the original comment author information.
1502 // We need this to make sure we display the comment author
1503 // information (name and avatar) correctly.
1504 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1507 $person = find_diaspora_person_by_handle($diaspora_handle);
1509 if(! is_array($person)) {
1510 logger('diaspora_comment: unable to find author details');
1515 $body = diaspora2bb($text);
1516 $message_id = $diaspora_handle . ':' . $guid;
1518 $datarray = array();
1520 $datarray['uid'] = $importer['uid'];
1521 $datarray['contact-id'] = $contact['id'];
1522 $datarray['type'] = 'remote-comment';
1523 $datarray['wall'] = $parent_item['wall'];
1524 $datarray['network'] = NETWORK_DIASPORA;
1525 $datarray['verb'] = ACTIVITY_POST;
1526 $datarray['gravity'] = GRAVITY_COMMENT;
1527 $datarray['guid'] = $guid;
1528 $datarray['uri'] = $message_id;
1529 $datarray['parent-uri'] = $parent_item['uri'];
1531 // No timestamps for comments? OK, we'll the use current time.
1532 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1533 $datarray['private'] = $parent_item['private'];
1535 $datarray['owner-name'] = $parent_item['owner-name'];
1536 $datarray['owner-link'] = $parent_item['owner-link'];
1537 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1539 $datarray['author-name'] = $person['name'];
1540 $datarray['author-link'] = $person['url'];
1541 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1542 $datarray['body'] = $body;
1543 $datarray["object"] = json_encode($xml);
1544 $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
1546 // We can't be certain what the original app is if the message is relayed.
1547 if(($parent_item['origin']) && (! $parent_author_signature))
1548 $datarray['app'] = 'Diaspora';
1550 DiasporaFetchGuid($datarray);
1551 $message_id = item_store($datarray);
1553 $datarray['id'] = $message_id;
1556 //q("update item set plink = '%s' where id = %d",
1557 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1558 // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
1559 // intval($message_id)
1563 if(($parent_item['origin']) && (! $parent_author_signature)) {
1564 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1565 intval($message_id),
1566 dbesc($signed_data),
1567 dbesc(base64_encode($author_signature)),
1568 dbesc($diaspora_handle)
1571 // if the message isn't already being relayed, notify others
1572 // the existence of parent_author_signature means the parent_author or owner
1573 // is already relaying.
1575 proc_run('php','include/notifier.php','comment-import',$message_id);
1578 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1579 dbesc($parent_item['uri']),
1580 intval($importer['uid'])
1583 if(count($myconv)) {
1584 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1586 foreach($myconv as $conv) {
1588 // now if we find a match, it means we're in this conversation
1590 if(! link_compare($conv['author-link'],$importer_url))
1593 require_once('include/enotify.php');
1595 $conv_parent = $conv['parent'];
1598 'type' => NOTIFY_COMMENT,
1599 'notify_flags' => $importer['notify-flags'],
1600 'language' => $importer['language'],
1601 'to_name' => $importer['username'],
1602 'to_email' => $importer['email'],
1603 'uid' => $importer['uid'],
1604 'item' => $datarray,
1605 'link' => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
1606 'source_name' => $datarray['author-name'],
1607 'source_link' => $datarray['author-link'],
1608 'source_photo' => $datarray['author-avatar'],
1609 'verb' => ACTIVITY_POST,
1611 'parent' => $conv_parent,
1612 'parent_uri' => $parent_uri
1615 // only send one notification
1625 function diaspora_conversation($importer,$xml,$msg) {
1629 $guid = notags(unxmlify($xml->guid));
1630 $subject = notags(unxmlify($xml->subject));
1631 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1632 $participant_handles = notags(unxmlify($xml->participant_handles));
1633 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1635 $parent_uri = $diaspora_handle . ':' . $guid;
1637 $messages = $xml->message;
1639 if(! count($messages)) {
1640 logger('diaspora_conversation: empty conversation');
1644 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1646 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1650 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1651 logger('diaspora_conversation: Ignoring this author.');
1655 $conversation = null;
1657 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1658 intval($importer['uid']),
1662 $conversation = $c[0];
1664 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1665 intval($importer['uid']),
1667 dbesc($diaspora_handle),
1668 dbesc(datetime_convert('UTC','UTC',$created_at)),
1669 dbesc(datetime_convert()),
1671 dbesc($participant_handles)
1674 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1675 intval($importer['uid']),
1679 $conversation = $c[0];
1681 if(! $conversation) {
1682 logger('diaspora_conversation: unable to create conversation.');
1686 foreach($messages as $mesg) {
1690 $msg_guid = notags(unxmlify($mesg->guid));
1691 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1692 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1693 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1694 $msg_text = unxmlify($mesg->text);
1695 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1696 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1697 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1698 if($msg_conversation_guid != $guid) {
1699 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1703 $body = diaspora2bb($msg_text);
1704 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1706 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1708 $author_signature = base64_decode($msg_author_signature);
1710 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1715 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1717 if(is_array($person) && x($person,'pubkey'))
1718 $key = $person['pubkey'];
1720 logger('diaspora_conversation: unable to find author details');
1725 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1726 logger('diaspora_conversation: verification failed.');
1730 if($msg_parent_author_signature) {
1731 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1733 $parent_author_signature = base64_decode($msg_parent_author_signature);
1737 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1738 logger('diaspora_conversation: owner verification failed.');
1743 $r = q("select id from mail where `uri` = '%s' limit 1",
1747 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1751 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1752 intval($importer['uid']),
1754 intval($conversation['id']),
1755 dbesc($person['name']),
1756 dbesc($person['photo']),
1757 dbesc($person['url']),
1758 intval($contact['id']),
1765 dbesc($msg_created_at)
1768 q("update conv set updated = '%s' where id = %d",
1769 dbesc(datetime_convert()),
1770 intval($conversation['id'])
1773 require_once('include/enotify.php');
1775 'type' => NOTIFY_MAIL,
1776 'notify_flags' => $importer['notify-flags'],
1777 'language' => $importer['language'],
1778 'to_name' => $importer['username'],
1779 'to_email' => $importer['email'],
1780 'uid' =>$importer['uid'],
1781 'item' => array('subject' => $subject, 'body' => $body),
1782 'source_name' => $person['name'],
1783 'source_link' => $person['url'],
1784 'source_photo' => $person['thumb'],
1785 'verb' => ACTIVITY_POST,
1793 function diaspora_message($importer,$xml,$msg) {
1797 $msg_guid = notags(unxmlify($xml->guid));
1798 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1799 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1800 $msg_author_signature = notags(unxmlify($xml->author_signature));
1801 $msg_text = unxmlify($xml->text);
1802 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1803 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1804 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1806 $parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
1808 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1810 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1814 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1815 logger('diaspora_message: Ignoring this author.');
1819 $conversation = null;
1821 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1822 intval($importer['uid']),
1823 dbesc($msg_conversation_guid)
1826 $conversation = $c[0];
1828 logger('diaspora_message: conversation not available.');
1834 $body = diaspora2bb($msg_text);
1835 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1837 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1840 $author_signature = base64_decode($msg_author_signature);
1842 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1843 if(is_array($person) && x($person,'pubkey'))
1844 $key = $person['pubkey'];
1846 logger('diaspora_message: unable to find author details');
1850 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1851 logger('diaspora_message: verification failed.');
1855 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1857 intval($importer['uid'])
1860 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1864 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')",
1865 intval($importer['uid']),
1867 intval($conversation['id']),
1868 dbesc($person['name']),
1869 dbesc($person['photo']),
1870 dbesc($person['url']),
1871 intval($contact['id']),
1872 dbesc($conversation['subject']),
1878 dbesc($msg_created_at)
1881 q("update conv set updated = '%s' where id = %d",
1882 dbesc(datetime_convert()),
1883 intval($conversation['id'])
1890 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1894 logger('diaspora_photo: init',LOGGER_DEBUG);
1896 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1898 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1900 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1902 $guid = notags(unxmlify($xml->guid));
1904 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1906 $public = notags(unxmlify($xml->public));
1908 $created_at = notags(unxmlify($xml_created_at));
1910 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1912 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1914 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1918 if(! diaspora_post_allow($importer,$contact, false)) {
1919 logger('diaspora_photo: Ignoring this author.');
1923 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1924 intval($importer['uid']),
1925 dbesc($status_message_guid)
1928 /* deactivated by now since it can lead to multiplicated pictures in posts.
1930 $result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
1933 $person = find_diaspora_person_by_handle($diaspora_handle);
1934 $result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
1938 logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
1940 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1941 intval($importer['uid']),
1942 dbesc($status_message_guid)
1949 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1950 intval($importer['uid']),
1951 dbesc(serialize($msg)),
1952 intval($attempt + 1)
1956 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1960 $parent_item = $r[0];
1962 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1964 $link_text = scale_external_images($link_text, true,
1965 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1967 if(strpos($parent_item['body'],$link_text) === false) {
1968 $r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
1969 dbesc($link_text . $parent_item['body']),
1970 intval($parent_item['id']),
1971 intval($parent_item['uid'])
1973 update_thread($parent_item['id']);
1982 function diaspora_like($importer,$xml,$msg) {
1985 $guid = notags(unxmlify($xml->guid));
1986 $parent_guid = notags(unxmlify($xml->parent_guid));
1987 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1988 $target_type = notags(unxmlify($xml->target_type));
1989 $positive = notags(unxmlify($xml->positive));
1990 $author_signature = notags(unxmlify($xml->author_signature));
1992 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1994 // likes on comments not supported here and likes on photos not supported by Diaspora
1996 // if($target_type !== 'Post')
1999 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
2001 logger('diaspora_like: cannot find contact: ' . $msg['author']);
2005 if(! diaspora_post_allow($importer,$contact, false)) {
2006 logger('diaspora_like: Ignoring this author.');
2010 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2011 intval($importer['uid']),
2016 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
2019 $person = find_diaspora_person_by_handle($diaspora_handle);
2020 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
2024 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
2026 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2027 intval($importer['uid']),
2034 logger('diaspora_like: parent item not found: ' . $guid);
2038 $parent_item = $r[0];
2040 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2041 intval($importer['uid']),
2045 if($positive === 'true') {
2046 logger('diaspora_like: duplicate like: ' . $guid);
2049 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2050 // It looks like "RelayableRetractions" are used for "unlike" instead
2051 if($positive === 'false') {
2052 logger('diaspora_like: received a like with positive set to "false"...ignoring');
2053 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
2054 intval($r[0]['id']),
2055 intval($importer['uid'])
2057 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
2058 // send notification via proc_run()
2062 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2063 // It looks like "RelayableRetractions" are used for "unlike" instead
2064 if($positive === 'false') {
2065 logger('diaspora_like: received a like with positive set to "false"');
2066 logger('diaspora_like: unlike received with no corresponding like...ignoring');
2071 /* How Diaspora performs "like" signature checking:
2073 - If an item has been sent by the like author to the top-level post owner to relay on
2074 to the rest of the contacts on the top-level post, the top-level post owner should check
2075 the author_signature, then create a parent_author_signature before relaying the like on
2076 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2077 check only the parent_author_signature. Basically, they trust that the top-level post
2078 owner has already verified the authenticity of anything he/she sends out
2079 - In either case, the signature that get checked is the signature created by the person
2083 // Diaspora has changed the way they are signing the likes.
2084 // Just to make sure that we don't miss any likes we will check the old and the current way.
2085 $old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
2087 $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
2091 if ($parent_author_signature) {
2092 // If a parent_author_signature exists, then we've received the like
2093 // relayed from the top-level post owner. There's no need to check the
2094 // author_signature if the parent_author_signature is valid
2096 $parent_author_signature = base64_decode($parent_author_signature);
2098 if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
2099 !rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
2101 logger('diaspora_like: top-level owner verification failed.');
2105 // If there's no parent_author_signature, then we've received the like
2106 // from the like creator. In that case, the person is "like"ing
2107 // our post, so he/she must be a contact of ours and his/her public key
2108 // should be in $msg['key']
2110 $author_signature = base64_decode($author_signature);
2112 if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
2113 !rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
2115 logger('diaspora_like: like creator verification failed.');
2120 // Phew! Everything checks out. Now create an item.
2122 // Find the original comment author information.
2123 // We need this to make sure we display the comment author
2124 // information (name and avatar) correctly.
2125 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
2128 $person = find_diaspora_person_by_handle($diaspora_handle);
2130 if(! is_array($person)) {
2131 logger('diaspora_like: unable to find author details');
2136 $uri = $diaspora_handle . ':' . $guid;
2138 $activity = ACTIVITY_LIKE;
2139 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
2140 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
2141 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
2142 $body = $parent_item['body'];
2147 <type>$objtype</type>
2149 <id>{$parent_item['uri']}</id>
2152 <content>$body</content>
2155 $bodyverb = t('%1$s likes %2$s\'s %3$s');
2160 $arr['uid'] = $importer['uid'];
2161 $arr['guid'] = $guid;
2162 $arr['network'] = NETWORK_DIASPORA;
2163 $arr['contact-id'] = $contact['id'];
2164 $arr['type'] = 'activity';
2165 $arr['wall'] = $parent_item['wall'];
2166 $arr['gravity'] = GRAVITY_LIKE;
2167 $arr['parent'] = $parent_item['id'];
2168 $arr['parent-uri'] = $parent_item['uri'];
2170 $arr['owner-name'] = $parent_item['name'];
2171 $arr['owner-link'] = $parent_item['url'];
2172 //$arr['owner-avatar'] = $parent_item['thumb'];
2173 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
2175 $arr['author-name'] = $person['name'];
2176 $arr['author-link'] = $person['url'];
2177 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
2179 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
2180 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
2181 //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
2182 $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
2183 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
2185 $arr['app'] = 'Diaspora';
2187 $arr['private'] = $parent_item['private'];
2188 $arr['verb'] = $activity;
2189 $arr['object-type'] = $objtype;
2190 $arr['object'] = $obj;
2191 $arr['visible'] = 1;
2193 $arr['last-child'] = 0;
2195 $message_id = item_store($arr);
2199 // q("update item set plink = '%s' where id = %d",
2200 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
2201 // dbesc($a->get_baseurl().'/display/'.$guid),
2202 // intval($message_id)
2206 if(! $parent_author_signature) {
2207 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2208 intval($message_id),
2209 dbesc($signed_data),
2210 dbesc(base64_encode($author_signature)),
2211 dbesc($diaspora_handle)
2215 // if the message isn't already being relayed, notify others
2216 // the existence of parent_author_signature means the parent_author or owner
2217 // is already relaying. The parent_item['origin'] indicates the message was created on our system
2219 if(($parent_item['origin']) && (! $parent_author_signature))
2220 proc_run('php','include/notifier.php','comment-import',$message_id);
2225 function diaspora_retraction($importer,$xml) {
2228 $guid = notags(unxmlify($xml->guid));
2229 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2230 $type = notags(unxmlify($xml->type));
2232 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2236 if($type === 'Person') {
2237 require_once('include/Contact.php');
2238 contact_remove($contact['id']);
2240 elseif($type === 'Post') {
2241 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2243 intval($importer['uid'])
2246 if(link_compare($r[0]['author-link'],$contact['url'])) {
2247 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2248 dbesc(datetime_convert()),
2251 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2260 function diaspora_signed_retraction($importer,$xml,$msg) {
2263 $guid = notags(unxmlify($xml->target_guid));
2264 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2265 $type = notags(unxmlify($xml->target_type));
2266 $sig = notags(unxmlify($xml->target_author_signature));
2268 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2270 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2272 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2277 $signed_data = $guid . ';' . $type ;
2280 /* How Diaspora performs relayable_retraction signature checking:
2282 - If an item has been sent by the item author to the top-level post owner to relay on
2283 to the rest of the contacts on the top-level post, the top-level post owner checks
2284 the author_signature, then creates a parent_author_signature before relaying the item on
2285 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2286 check only the parent_author_signature. Basically, they trust that the top-level post
2287 owner has already verified the authenticity of anything he/she sends out
2288 - In either case, the signature that get checked is the signature created by the person
2292 if($parent_author_signature) {
2294 $parent_author_signature = base64_decode($parent_author_signature);
2296 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2297 logger('diaspora_signed_retraction: top-level post owner verification failed');
2304 $sig_decode = base64_decode($sig);
2306 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2307 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2312 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2313 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2315 intval($importer['uid'])
2318 if(link_compare($r[0]['author-link'],$contact['url'])) {
2319 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2320 dbesc(datetime_convert()),
2321 dbesc(datetime_convert()),
2324 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2326 // Now check if the retraction needs to be relayed by us
2328 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2329 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2330 // The only item with `parent` and `id` as the parent id is the parent item.
2331 $p = q("select origin from item where parent = %d and id = %d limit 1",
2336 if(($p[0]['origin']) && (! $parent_author_signature)) {
2337 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2339 dbesc($signed_data),
2341 dbesc($diaspora_handle)
2344 // the existence of parent_author_signature would have meant the parent_author or owner
2345 // is already relaying.
2346 logger('diaspora_signed_retraction: relaying relayable_retraction');
2348 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2355 logger('diaspora_signed_retraction: unknown type: ' . $type);
2361 function diaspora_profile($importer,$xml,$msg) {
2364 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2367 if($diaspora_handle != $msg['author']) {
2368 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2372 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2376 if($contact['blocked']) {
2377 logger('diaspora_post: Ignoring this author.');
2381 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2382 $image_url = unxmlify($xml->image_url);
2383 $birthday = unxmlify($xml->birthday);
2384 $location = diaspora2bb(unxmlify($xml->location));
2385 $about = diaspora2bb(unxmlify($xml->bio));
2386 $gender = unxmlify($xml->gender);
2387 $tags = unxmlify($xml->tag_string);
2389 $tags = explode("#", $tags);
2391 $keywords = array();
2392 foreach ($tags as $tag) {
2393 $tag = trim(strtolower($tag));
2398 $keywords = implode(", ", $keywords);
2400 $handle_parts = explode("@", $diaspora_handle);
2402 $name = $handle_parts[0];
2405 if( preg_match("|^https?://|", $image_url) === 0) {
2406 $image_url = "http://" . $handle_parts[1] . $image_url;
2409 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2410 intval($importer['uid']),
2411 intval($contact['id'])
2413 $oldphotos = ((count($r)) ? $r : null);*/
2415 require_once('include/Photo.php');
2417 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2419 // Generic birthday. We don't know the timezone. The year is irrelevant.
2421 $birthday = str_replace('1000','1901',$birthday);
2423 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2425 // this is to prevent multiple birthday notifications in a single year
2426 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2428 if(substr($birthday,5) === substr($contact['bd'],5))
2429 $birthday = $contact['bd'];
2431 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2432 // Not doing this currently because D* protocol is scheduled for revision soon.
2434 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
2436 dbesc(datetime_convert()),
2440 dbesc(datetime_convert()),
2446 intval($contact['id']),
2447 intval($importer['uid'])
2450 if (unxmlify($xml->searchable) == "true") {
2451 require_once('include/socgraph.php');
2452 poco_check($contact['url'], $name, NETWORK_DIASPORA, $images[0], $about, $location, $gender, $keywords, "",
2453 datetime_convert(), 2, $contact['id'], $importer['uid']);
2457 $author = q("SELECT * FROM `unique_contacts` WHERE `url`='%s' LIMIT 1",
2458 dbesc(normalise_link($contact['url'])));
2460 if (count($author) == 0) {
2461 q("INSERT INTO `unique_contacts` (`url`, `name`, `avatar`, `location`, `about`) VALUES ('%s', '%s', '%s', '%s', '%s')",
2462 dbesc(normalise_link($contact['url'])), dbesc($name), dbesc($location), dbesc($about), dbesc($images[0]));
2464 $author = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
2465 dbesc(normalise_link($contact['url'])));
2466 } else if (normalise_link($contact['url']).$name.$location.$about != normalise_link($author[0]["url"]).$author[0]["name"].$author[0]["location"].$author[0]["about"]) {
2467 q("UPDATE unique_contacts SET name = '%s', avatar = '%s', `location` = '%s', `about` = '%s' WHERE url = '%s'",
2468 dbesc($name), dbesc($images[0]), dbesc($location), dbesc($about), dbesc(normalise_link($contact['url'])));
2473 foreach($oldphotos as $ph) {
2474 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2475 intval($importer['uid']),
2476 intval($contact['id']),
2477 dbesc($ph['resource-id'])
2487 function diaspora_share($me,$contact) {
2489 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2490 $theiraddr = $contact['addr'];
2492 $tpl = get_markup_template('diaspora_share.tpl');
2493 $msg = replace_macros($tpl, array(
2494 '$sender' => $myaddr,
2495 '$recipient' => $theiraddr
2498 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2499 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2501 return(diaspora_transmit($owner,$contact,$slap, false));
2504 function diaspora_unshare($me,$contact) {
2507 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2509 $tpl = get_markup_template('diaspora_retract.tpl');
2510 $msg = replace_macros($tpl, array(
2511 '$guid' => $me['guid'],
2512 '$type' => 'Person',
2513 '$handle' => $myaddr
2516 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2517 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2519 return(diaspora_transmit($owner,$contact,$slap, false));
2524 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2527 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2528 $theiraddr = $contact['addr'];
2532 $title = $item['title'];
2533 $body = $item['body'];
2536 // We're trying to match Diaspora's split message/photo protocol but
2537 // all the photos are displayed on D* as links and not img's - even
2538 // though we're sending pretty much precisely what they send us when
2539 // doing the same operation.
2540 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2541 // which seems to get through intact.
2543 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2545 foreach($matches as $mtch) {
2547 $detail['str'] = $mtch[0];
2548 $detail['path'] = dirname($mtch[1]) . '/';
2549 $detail['file'] = basename($mtch[1]);
2550 $detail['guid'] = $item['guid'];
2551 $detail['handle'] = $myaddr;
2552 $images[] = $detail;
2553 $body = str_replace($detail['str'],$mtch[1],$body);
2558 //if(strlen($title))
2559 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2561 // convert to markdown
2562 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2563 //$body = bb2diaspora($body);
2567 $body = "## ".html_entity_decode($title)."\n\n".$body;
2569 if($item['attach']) {
2570 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2572 $body .= "\n" . t('Attachments:') . "\n";
2573 foreach($matches as $mtch) {
2574 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2580 $public = (($item['private']) ? 'false' : 'true');
2582 require_once('include/datetime.php');
2583 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2585 // Detect a share element and do a reshare
2586 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2587 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2588 $tpl = get_markup_template('diaspora_reshare.tpl');
2589 $msg = replace_macros($tpl, array(
2590 '$root_handle' => xmlify($ret['root_handle']),
2591 '$root_guid' => $ret['root_guid'],
2592 '$guid' => $item['guid'],
2593 '$handle' => xmlify($myaddr),
2594 '$public' => $public,
2595 '$created' => $created,
2596 '$provider' => $item["app"]
2599 $tpl = get_markup_template('diaspora_post.tpl');
2600 $msg = replace_macros($tpl, array(
2602 '$guid' => $item['guid'],
2603 '$handle' => xmlify($myaddr),
2604 '$public' => $public,
2605 '$created' => $created,
2606 '$provider' => $item["app"]
2610 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2612 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2613 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2615 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2617 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2619 if(count($images)) {
2620 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2623 return $return_code;
2626 function diaspora_is_reshare($body) {
2627 $body = trim($body);
2629 // Skip if it isn't a pure repeated messages
2630 // Does it start with a share?
2631 if (strpos($body, "[share") > 0)
2634 // Does it end with a share?
2635 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2638 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2639 // Skip if there is no shared message in there
2640 if ($body == $attributes)
2644 preg_match("/guid='(.*?)'/ism", $attributes, $matches);
2645 if ($matches[1] != "")
2646 $guid = $matches[1];
2648 preg_match('/guid="(.*?)"/ism', $attributes, $matches);
2649 if ($matches[1] != "")
2650 $guid = $matches[1];
2653 $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
2654 dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
2657 $ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
2658 $ret["root_guid"] = $guid;
2664 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2665 if ($matches[1] != "")
2666 $profile = $matches[1];
2668 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2669 if ($matches[1] != "")
2670 $profile = $matches[1];
2674 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2675 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2679 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2680 if ($matches[1] != "")
2681 $link = $matches[1];
2683 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2684 if ($matches[1] != "")
2685 $link = $matches[1];
2687 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2688 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2694 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2696 if(! count($images))
2698 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2700 $tpl = get_markup_template('diaspora_photo.tpl');
2701 foreach($images as $image) {
2702 if(! stristr($image['path'],$mysite))
2704 $resource = str_replace('.jpg','',$image['file']);
2705 $resource = substr($resource,0,strpos($resource,'-'));
2707 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2709 intval($owner['uid'])
2713 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2714 $msg = replace_macros($tpl,array(
2715 '$path' => xmlify($image['path']),
2716 '$filename' => xmlify($image['file']),
2717 '$msg_guid' => xmlify($image['guid']),
2718 '$guid' => xmlify($r[0]['guid']),
2719 '$handle' => xmlify($image['handle']),
2720 '$public' => xmlify($public),
2721 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2725 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2726 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2727 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2729 diaspora_transmit($owner,$contact,$slap,$public_batch);
2734 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2737 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2738 // $theiraddr = $contact['addr'];
2740 // Diaspora doesn't support threaded comments, but some
2741 // versions of Diaspora (i.e. Diaspora-pistos) support
2742 // likes on comments
2743 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2744 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2745 dbesc($item['thr-parent'])
2749 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2750 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2751 // The only item with `parent` and `id` as the parent id is the parent item.
2752 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2753 intval($item['parent']),
2754 intval($item['parent'])
2762 if($item['verb'] === ACTIVITY_LIKE) {
2763 $tpl = get_markup_template('diaspora_like.tpl');
2765 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2766 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2767 // $positive = (($item['deleted']) ? 'false' : 'true');
2770 if(($item['deleted']))
2771 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2774 $tpl = get_markup_template('diaspora_comment.tpl');
2778 $text = html_entity_decode(bb2diaspora($item['body']));
2783 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2785 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2787 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2789 $msg = replace_macros($tpl,array(
2790 '$guid' => xmlify($item['guid']),
2791 '$parent_guid' => xmlify($parent['guid']),
2792 '$target_type' =>xmlify($target_type),
2793 '$authorsig' => xmlify($authorsig),
2794 '$body' => xmlify($text),
2795 '$positive' => xmlify($positive),
2796 '$handle' => xmlify($myaddr)
2799 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2801 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2802 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2804 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2808 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2812 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2813 // $theiraddr = $contact['addr'];
2815 $body = $item['body'];
2816 $text = html_entity_decode(bb2diaspora($body));
2818 // Diaspora doesn't support threaded comments, but some
2819 // versions of Diaspora (i.e. Diaspora-pistos) support
2820 // likes on comments
2821 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2822 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2823 dbesc($item['thr-parent'])
2827 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2828 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2829 // The only item with `parent` and `id` as the parent id is the parent item.
2830 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2831 intval($item['parent']),
2832 intval($item['parent'])
2841 $relay_retract = false;
2842 $sql_sign_id = 'iid';
2843 if( $item['deleted']) {
2844 $relay_retract = true;
2846 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2848 $sql_sign_id = 'retract_iid';
2849 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2851 elseif($item['verb'] === ACTIVITY_LIKE) {
2854 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2855 // $positive = (($item['deleted']) ? 'false' : 'true');
2858 $tpl = get_markup_template('diaspora_like_relay.tpl');
2860 else { // item is a comment
2861 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2865 // fetch the original signature if the relayable was created by a Diaspora
2866 // or DFRN user. Relayables for other networks are not supported.
2868 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2873 $signed_text = $orig_sign['signed_text'];
2874 $authorsig = $orig_sign['signature'];
2875 $handle = $orig_sign['signer'];
2879 // Author signature information (for likes, comments, and retractions of likes or comments,
2880 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2881 // function is called
2882 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2886 /* Since the author signature is only checked by the parent, not by the relay recipients,
2887 * I think it may not be necessary for us to do so much work to preserve all the original
2888 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2889 * Let's just generate that and forget about all the original author signature stuff.
2891 * Note: this might be more of an problem if we want to support likes on comments for older
2892 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2893 * doing that, let's ignore it for now.
2895 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2899 $handle = diaspora_handle_from_contact($item['contact-id']);
2905 $sender_signed_text = $item['guid'] . ';' . $target_type;
2907 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2909 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2911 // Sign the relayable with the top-level owner's signature
2913 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2914 // stored in the database, because that provides the best chance that Diaspora will
2915 // be able to reconstruct the signed text the same way we did. This is particularly a
2916 // concern for the comment, whose signed text includes the text of the comment. The
2917 // smallest change in the text of the comment, including removing whitespace, will
2918 // make the signature verification fail. Since we translate from BB code to Diaspora's
2919 // markup at the top of this function, which is AFTER we placed the original $signed_text
2920 // in the database, it's hazardous to trust the original $signed_text.
2922 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2924 $msg = replace_macros($tpl,array(
2925 '$guid' => xmlify($item['guid']),
2926 '$parent_guid' => xmlify($parent['guid']),
2927 '$target_type' =>xmlify($target_type),
2928 '$authorsig' => xmlify($authorsig),
2929 '$parentsig' => xmlify($parentauthorsig),
2930 '$body' => xmlify($text),
2931 '$positive' => xmlify($positive),
2932 '$handle' => xmlify($handle)
2935 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2938 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2939 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2941 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2947 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2950 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2952 // Check whether the retraction is for a top-level post or whether it's a relayable
2953 if( $item['uri'] !== $item['parent-uri'] ) {
2955 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2956 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2960 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2961 $target_type = 'StatusMessage';
2964 $signed_text = $item['guid'] . ';' . $target_type;
2966 $msg = replace_macros($tpl, array(
2967 '$guid' => xmlify($item['guid']),
2968 '$type' => xmlify($target_type),
2969 '$handle' => xmlify($myaddr),
2970 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2973 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2974 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2976 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2979 function diaspora_send_mail($item,$owner,$contact) {
2982 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2984 $r = q("select * from conv where id = %d and uid = %d limit 1",
2985 intval($item['convid']),
2986 intval($item['uid'])
2990 logger('diaspora_send_mail: conversation not found.');
2996 'guid' => xmlify($cnv['guid']),
2997 'subject' => xmlify($cnv['subject']),
2998 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2999 'diaspora_handle' => xmlify($cnv['creator']),
3000 'participant_handles' => xmlify($cnv['recips'])
3003 $body = bb2diaspora($item['body']);
3004 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
3006 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
3007 . $created . ';' . $myaddr . ';' . $cnv['guid'];
3009 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
3012 'guid' => xmlify($item['guid']),
3013 'parent_guid' => xmlify($cnv['guid']),
3014 'parent_author_signature' => xmlify($sig),
3015 'author_signature' => xmlify($sig),
3016 'text' => xmlify($body),
3017 'created_at' => xmlify($created),
3018 'diaspora_handle' => xmlify($myaddr),
3019 'conversation_guid' => xmlify($cnv['guid'])
3022 if($item['reply']) {
3023 $tpl = get_markup_template('diaspora_message.tpl');
3024 $xmsg = replace_macros($tpl, array('$msg' => $msg));
3027 $conv['messages'] = array($msg);
3028 $tpl = get_markup_template('diaspora_conversation.tpl');
3029 $xmsg = replace_macros($tpl, array('$conv' => $conv));
3032 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
3034 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
3035 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
3037 return(diaspora_transmit($owner,$contact,$slap,false));
3042 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
3044 $enabled = intval(get_config('system','diaspora_enabled'));
3050 $logid = random_string(4);
3051 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
3053 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
3057 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
3059 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
3063 if (!intval(get_config('system','diaspora_test'))) {
3064 post_url($dest_url . '/', $slap);
3065 $return_code = $a->get_curl_code();
3067 logger('diaspora_transmit: test_mode');
3072 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
3074 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
3075 logger('diaspora_transmit: queue message');
3077 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
3078 intval($contact['id']),
3079 dbesc(NETWORK_DIASPORA),
3081 intval($public_batch)
3084 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
3087 // queue message for redelivery
3088 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
3093 return(($return_code) ? $return_code : (-1));
3096 function diaspora_fetch_relay() {
3098 $serverdata = get_config("system", "relay_server");
3099 if ($serverdata == "")
3104 $servers = explode(",", $serverdata);
3106 foreach($servers AS $server) {
3107 $server = trim($server);
3108 $batch = $server."/receive/public";
3110 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3113 $addr = "relay@".str_replace("http://", "", normalise_link($server));
3115 $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
3116 VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
3121 dbesc(normalise_link($server)),
3123 dbesc(NETWORK_DIASPORA),
3124 intval(CONTACT_IS_FOLLOWER),
3125 dbesc(datetime_convert()),
3126 dbesc(datetime_convert()),
3127 dbesc(datetime_convert())
3130 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3132 $relay[] = $relais[0];
3134 $relay[] = $relais[0];