4 * @file include/diaspora.php
6 * @todo GET /people/9aed8882b9f64896/stream
9 require_once('include/crypto.php');
10 require_once('include/items.php');
11 require_once('include/bb2diaspora.php');
12 require_once('include/contact_selectors.php');
13 require_once('include/queue_fn.php');
14 require_once('include/lock.php');
15 require_once('include/threads.php');
16 require_once('mod/share.php');
17 require_once('include/enotify.php');
19 function diaspora_dispatch_public($msg) {
21 $enabled = intval(get_config('system','diaspora_enabled'));
23 logger('mod-diaspora: disabled');
27 // Use a dummy importer to import the data for the public copy
28 $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
29 $result = diaspora_dispatch($importer,$msg);
30 logger("Dispatcher reported ".$result, LOGGER_DEBUG);
32 // Now distribute it to the followers
33 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
34 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
35 AND `account_expired` = 0 AND `account_removed` = 0 ",
36 dbesc(NETWORK_DIASPORA),
41 logger('diaspora_public: delivering to: ' . $rr['username']);
42 diaspora_dispatch($rr,$msg);
46 logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
51 function diaspora_dispatch($importer,$msg,$attempt=1) {
55 $enabled = intval(get_config('system','diaspora_enabled'));
57 logger('mod-diaspora: disabled');
63 // php doesn't like dashes in variable names
65 $msg['message'] = str_replace(
66 array('<activity_streams-photo>','</activity_streams-photo>'),
67 array('<asphoto>','</asphoto>'),
71 $parsed_xml = parse_xml_string($msg['message'],false);
73 $xmlbase = $parsed_xml->post;
75 logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
78 if($xmlbase->request) {
79 $tempfile = tempnam(get_temppath(), "diaspora-request");
80 file_put_contents($tempfile, json_encode($data));
81 $ret = diaspora_request($importer,$xmlbase->request);
83 elseif($xmlbase->status_message) {
84 //$tempfile = tempnam(get_temppath(), "diaspora-status_message");
85 //file_put_contents($tempfile, json_encode($data));
86 $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
88 elseif($xmlbase->profile) {
89 //$tempfile = tempnam(get_temppath(), "diaspora-profile");
90 //file_put_contents($tempfile, json_encode($data));
91 $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
93 elseif($xmlbase->comment) {
94 //$tempfile = tempnam(get_temppath(), "diaspora-comment");
95 //file_put_contents($tempfile, json_encode($data));
96 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
98 elseif($xmlbase->like) {
99 //$tempfile = tempnam(get_temppath(), "diaspora-like");
100 //file_put_contents($tempfile, json_encode($data));
101 $ret = diaspora_like($importer,$xmlbase->like,$msg);
103 elseif($xmlbase->asphoto) {
104 $tempfile = tempnam(get_temppath(), "diaspora-asphoto");
105 file_put_contents($tempfile, json_encode($data));
106 $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
108 elseif($xmlbase->reshare) {
109 //$tempfile = tempnam(get_temppath(), "diaspora-reshare");
110 //file_put_contents($tempfile, json_encode($data));
111 $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
113 elseif($xmlbase->retraction) {
114 $tempfile = tempnam(get_temppath(), "diaspora-retraction");
115 file_put_contents($tempfile, json_encode($data));
116 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
118 elseif($xmlbase->signed_retraction) {
119 $tempfile = tempnam(get_temppath(), "diaspora-signed_retraction");
120 file_put_contents($tempfile, json_encode($data));
121 $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
123 elseif($xmlbase->relayable_retraction) {
124 //$tempfile = tempnam(get_temppath(), "diaspora-relayable_retraction");
125 //file_put_contents($tempfile, json_encode($data));
126 $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
128 elseif($xmlbase->photo) {
129 //$tempfile = tempnam(get_temppath(), "diaspora-photo");
130 //file_put_contents($tempfile, json_encode($data));
131 $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
133 elseif($xmlbase->conversation) {
134 $tempfile = tempnam(get_temppath(), "diaspora-conversation");
135 file_put_contents($tempfile, json_encode($data));
136 $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
138 elseif($xmlbase->message) {
139 $tempfile = tempnam(get_temppath(), "diaspora-message");
140 file_put_contents($tempfile, json_encode($data));
141 $ret = diaspora_message($importer,$xmlbase->message,$msg);
143 elseif($xmlbase->participation) {
144 //$tempfile = tempnam(get_temppath(), "diaspora-participation");
145 //file_put_contents($tempfile, json_encode($data));
146 $ret = diaspora_participation($importer,$xmlbase->participation);
148 elseif($xmlbase->poll_participation) {
149 $tempfile = tempnam(get_temppath(), "diaspora-poll_participation");
150 file_put_contents($tempfile, json_encode($data));
151 $ret = diaspora_participation($importer,$xmlbase->participation);
154 $tempfile = tempnam(get_temppath(), "diaspora-unknown");
155 file_put_contents($tempfile, json_encode($data));
156 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
161 function diaspora_handle_from_contact($contact_id) {
164 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
166 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
172 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
174 if($contact['network'] === NETWORK_DIASPORA) {
175 $handle = $contact['addr'];
177 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
179 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
180 $baseurl_start = strpos($contact['url'],'://') + 3;
181 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
182 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
183 $handle = $contact['nick'] . '@' . $baseurl;
185 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
192 function diaspora_get_contact_by_handle($uid,$handle) {
193 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
194 dbesc(NETWORK_DIASPORA),
201 $handle_parts = explode("@", $handle);
202 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
203 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
214 function find_diaspora_person_by_handle($handle) {
224 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
225 dbesc(NETWORK_DIASPORA),
230 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
232 // update record occasionally so it doesn't get stale
233 $d = strtotime($person['updated'] . ' +00:00');
234 if($d < strtotime('now - 14 days'))
239 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
241 // If the person isn't in our 'fcontact' table, or if he/she is but
242 // his/her information hasn't been updated for more than 14 days, then
243 // we want to fetch the person's information from the remote server.
245 // Note that $person isn't changed by this block of code unless the
246 // person's information has been successfully fetched from the remote
247 // server. So if $person was 'false' to begin with (because he/she wasn't
248 // in the local cache), it'll stay false, and if $person held the local
249 // cache information to begin with, it'll keep that information. That way
250 // if there's a problem with the remote fetch, we can at least use our
251 // cached information--it's better than nothing.
253 if((! $person) || ($update)) {
254 // Lock the function to prevent race conditions if multiple items
255 // come in at the same time from a person who doesn't exist in
258 // Don't loop forever. On the last loop, try to create the contact
259 // whether the function is locked or not. Maybe the locking thread
260 // has died or something. At any rate, a duplicate in 'fcontact'
261 // is a much smaller problem than a deadlocked thread
262 $got_lock = lock_function('find_diaspora_person_by_handle', false);
263 if(($endlessloop + 1) >= $maxloops)
267 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
268 require_once('include/Scrape.php');
269 $r = probe_url($handle, PROBE_DIASPORA);
271 // Note that Friendica contacts can return a "Diaspora person"
272 // if Diaspora connectivity is enabled on their server
273 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
274 add_fcontact($r,$update);
278 unlock_function('find_diaspora_person_by_handle');
281 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
283 block_on_function_lock('find_diaspora_person_by_handle');
286 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
287 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
288 // The fact that the function was locked may mean that another process was creating the
289 // person's record. It could also mean another process was creating or updating an unrelated
292 // At any rate, we need to keep trying until we've either got the person or had a chance to
293 // try to fetch his/her remote information. But we don't want to block on locking the
294 // function, because if the other process is creating the record, then when we acquire the lock
295 // we'll dive right into creating another, duplicate record. We DO want to at least wait
296 // until the lock is released, so we don't flood the database with requests.
298 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
299 // we do have some information for the person
305 function get_diaspora_key($uri) {
306 logger('Fetching diaspora key for: ' . $uri);
308 $r = find_diaspora_person_by_handle($uri);
315 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
318 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
321 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
323 // $b64_data = base64_encode($msg);
324 // $b64url_data = base64url_encode($b64_data);
326 $b64url_data = base64url_encode($msg);
328 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
330 $type = 'application/xml';
331 $encoding = 'base64url';
334 $signable_data = $data . '.' . base64url_encode($type) . '.'
335 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
337 $signature = rsa_sign($signable_data,$prvkey);
338 $sig = base64url_encode($signature);
341 <?xml version='1.0' encoding='UTF-8'?>
342 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
344 <author_id>$handle</author_id>
347 <me:encoding>base64url</me:encoding>
348 <me:alg>RSA-SHA256</me:alg>
349 <me:data type="application/xml">$data</me:data>
350 <me:sig>$sig</me:sig>
355 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
363 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
367 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
369 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
371 // without a public key nothing will work
374 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
378 $inner_aes_key = random_string(32);
379 $b_inner_aes_key = base64_encode($inner_aes_key);
380 $inner_iv = random_string(16);
381 $b_inner_iv = base64_encode($inner_iv);
383 $outer_aes_key = random_string(32);
384 $b_outer_aes_key = base64_encode($outer_aes_key);
385 $outer_iv = random_string(16);
386 $b_outer_iv = base64_encode($outer_iv);
388 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
390 $padded_data = pkcs5_pad($msg,16);
391 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
393 $b64_data = base64_encode($inner_encrypted);
396 $b64url_data = base64url_encode($b64_data);
397 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
399 $type = 'application/xml';
400 $encoding = 'base64url';
403 $signable_data = $data . '.' . base64url_encode($type) . '.'
404 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
406 $signature = rsa_sign($signable_data,$prvkey);
407 $sig = base64url_encode($signature);
409 $decrypted_header = <<< EOT
412 <aes_key>$b_inner_aes_key</aes_key>
413 <author_id>$handle</author_id>
417 $decrypted_header = pkcs5_pad($decrypted_header,16);
419 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
421 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
423 $encrypted_outer_key_bundle = '';
424 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
426 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
428 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
430 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
431 'ciphertext' => base64_encode($ciphertext)));
432 $cipher_json = base64_encode($encrypted_header_json_object);
434 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
437 <?xml version='1.0' encoding='UTF-8'?>
438 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
441 <me:encoding>base64url</me:encoding>
442 <me:alg>RSA-SHA256</me:alg>
443 <me:data type="application/xml">$data</me:data>
444 <me:sig>$sig</me:sig>
449 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
456 * diaspora_decode($importer,$xml)
457 * array $importer -> from user table
458 * string $xml -> urldecoded Diaspora salmon
461 * 'message' -> decoded Diaspora XML message
462 * 'author' -> author diaspora handle
463 * 'key' -> author public key (converted to pkcs#8)
465 * Author and key are used elsewhere to save a lookup for verifying replies and likes
469 function diaspora_decode($importer,$xml) {
472 $basedom = parse_xml_string($xml);
474 $children = $basedom->children('https://joindiaspora.com/protocol');
476 if($children->header) {
478 $author_link = str_replace('acct:','',$children->header->author_id);
482 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
484 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
485 $ciphertext = base64_decode($encrypted_header->ciphertext);
487 $outer_key_bundle = '';
488 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
490 $j_outer_key_bundle = json_decode($outer_key_bundle);
492 $outer_iv = base64_decode($j_outer_key_bundle->iv);
493 $outer_key = base64_decode($j_outer_key_bundle->key);
495 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
498 $decrypted = pkcs5_unpad($decrypted);
501 * $decrypted now contains something like
504 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
505 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
510 * <name>Ryan Hughes</name>
511 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
516 * <author_id>galaxor@diaspora.priateship.org</author_id>
520 * </decrypted_header>
523 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
524 $idom = parse_xml_string($decrypted,false);
526 $inner_iv = base64_decode($idom->iv);
527 $inner_aes_key = base64_decode($idom->aes_key);
529 $author_link = str_replace('acct:','',$idom->author_id);
533 $dom = $basedom->children(NAMESPACE_SALMON_ME);
535 // figure out where in the DOM tree our data is hiding
537 if($dom->provenance->data)
538 $base = $dom->provenance;
539 elseif($dom->env->data)
545 logger('mod-diaspora: unable to locate salmon data in xml ');
546 http_status_exit(400);
550 // Stash the signature away for now. We have to find their key or it won't be good for anything.
551 $signature = base64url_decode($base->sig);
555 // strip whitespace so our data element will return to one big base64 blob
556 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
559 // stash away some other stuff for later
561 $type = $base->data[0]->attributes()->type[0];
562 $keyhash = $base->sig[0]->attributes()->keyhash[0];
563 $encoding = $base->encoding;
567 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
571 $data = base64url_decode($data);
575 $inner_decrypted = $data;
579 // Decode the encrypted blob
581 $inner_encrypted = base64_decode($data);
582 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
583 $inner_decrypted = pkcs5_unpad($inner_decrypted);
587 logger('mod-diaspora: Could not retrieve author URI.');
588 http_status_exit(400);
591 // Once we have the author URI, go to the web and try to find their public key
592 // (first this will look it up locally if it is in the fcontact cache)
593 // This will also convert diaspora public key from pkcs#1 to pkcs#8
595 logger('mod-diaspora: Fetching key for ' . $author_link );
596 $key = get_diaspora_key($author_link);
599 logger('mod-diaspora: Could not retrieve author key.');
600 http_status_exit(400);
603 $verify = rsa_verify($signed_data,$signature,$key);
606 logger('mod-diaspora: Message did not verify. Discarding.');
607 http_status_exit(400);
610 logger('mod-diaspora: Message verified.');
612 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
617 function diaspora_request($importer,$xml) {
621 $sender_handle = unxmlify($xml->sender_handle);
622 $recipient_handle = unxmlify($xml->recipient_handle);
624 if(! $sender_handle || ! $recipient_handle)
627 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
631 // perhaps we were already sharing with this person. Now they're sharing with us.
632 // That makes us friends.
634 if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
635 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
636 intval(CONTACT_IS_FRIEND),
637 intval($contact['id']),
638 intval($importer['uid'])
643 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
644 intval($importer['uid'])
647 if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
648 require_once('include/items.php');
650 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
651 intval($importer['uid'])
654 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
656 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
659 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
660 $arr['uid'] = $importer['uid'];
661 $arr['contact-id'] = $self[0]['id'];
663 $arr['type'] = 'wall';
666 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
667 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
668 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
669 $arr['verb'] = ACTIVITY_FRIEND;
670 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
672 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
673 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
674 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
675 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
677 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
678 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
679 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
680 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
681 $arr['object'] .= '</link></object>' . "\n";
682 $arr['last-child'] = 1;
684 $arr['allow_cid'] = $user[0]['allow_cid'];
685 $arr['allow_gid'] = $user[0]['allow_gid'];
686 $arr['deny_cid'] = $user[0]['deny_cid'];
687 $arr['deny_gid'] = $user[0]['deny_gid'];
689 $i = item_store($arr);
691 proc_run('php',"include/notifier.php","activity","$i");
700 $ret = find_diaspora_person_by_handle($sender_handle);
703 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
704 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
708 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
712 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
713 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
714 intval($importer['uid']),
715 dbesc($ret['network']),
719 dbesc(normalise_link($ret['url'])),
723 dbesc($ret['photo']),
724 dbesc($ret['pubkey']),
725 dbesc($ret['notify']),
731 // find the contact record we just created
733 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
735 if(! $contact_record) {
736 logger('diaspora_request: unable to locate newly created contact record.');
740 $def_gid = get_default_group($importer['uid'], $ret["network"]);
741 if (intval($def_gid)) {
742 require_once('include/group.php');
743 group_add_member($importer['uid'], '', $contact_record['id'], $def_gid);
746 if($importer['page-flags'] == PAGE_NORMAL) {
748 $hash = random_string() . (string) time(); // Generate a confirm_key
750 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
751 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
752 intval($importer['uid']),
753 intval($contact_record['id']),
756 dbesc( t('Sharing notification from Diaspora network')),
758 dbesc(datetime_convert())
763 // automatic friend approval
765 require_once('include/Photo.php');
767 update_contact_avatar($contact_record['photo'],$importer['uid'],$contact_record['id']);
769 // technically they are sharing with us (CONTACT_IS_SHARING),
770 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
771 // we are going to change the relationship and make them a follower.
773 if($importer['page-flags'] == PAGE_FREELOVE)
774 $new_relation = CONTACT_IS_FRIEND;
776 $new_relation = CONTACT_IS_FOLLOWER;
778 $r = q("UPDATE `contact` SET `rel` = %d,
786 intval($new_relation),
787 dbesc(datetime_convert()),
788 dbesc(datetime_convert()),
789 intval($contact_record['id'])
792 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
794 $ret = diaspora_share($u[0],$contact_record);
800 function diaspora_post_allow($importer,$contact, $is_comment = false) {
802 // perhaps we were already sharing with this person. Now they're sharing with us.
803 // That makes us friends.
804 // Normally this should have handled by getting a request - but this could get lost
805 if($contact['rel'] == CONTACT_IS_FOLLOWER && in_array($importer['page-flags'], array(PAGE_FREELOVE))) {
806 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
807 intval(CONTACT_IS_FRIEND),
808 intval($contact['id']),
809 intval($importer['uid'])
811 $contact['rel'] = CONTACT_IS_FRIEND;
812 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
815 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
817 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
819 if($contact['rel'] == CONTACT_IS_FOLLOWER)
820 if(($importer['page-flags'] == PAGE_COMMUNITY) OR $is_comment)
823 // Messages for the global users are always accepted
824 if ($importer['uid'] == 0)
830 function diaspora_is_redmatrix($url) {
831 return(strstr($url, "/channel/"));
834 function diaspora_plink($addr, $guid) {
835 $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", dbesc($addr));
839 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
841 // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
842 // So we try another way as well.
843 $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
845 $r[0]["network"] = $s[0]["network"];
847 if ($r[0]["network"] == NETWORK_DFRN)
848 return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
850 if (diaspora_is_redmatrix($r[0]["url"]))
851 return $r[0]["url"]."/?f=&mid=".$guid;
853 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
856 function diaspora_repair_signature($signature, $handle = "", $level = 1) {
858 if ($signature == "")
861 if (base64_encode(base64_decode(base64_decode($signature))) == base64_decode($signature)) {
862 $signature = base64_decode($signature);
863 logger("Repaired double encoded signature from Diaspora/Hubzilla handle ".$handle." - level ".$level, LOGGER_DEBUG);
865 // Do a recursive call to be able to fix even multiple levels
867 $signature = diaspora_repair_signature($signature, $handle, ++$level);
873 function diaspora_post($importer,$xml,$msg) {
876 $guid = notags(unxmlify($xml->guid));
877 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
879 if($diaspora_handle != $msg['author']) {
880 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
884 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
886 logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
890 if(! diaspora_post_allow($importer,$contact, false)) {
891 logger('diaspora_post: Ignoring this author.');
895 $message_id = $diaspora_handle . ':' . $guid;
896 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
897 intval($importer['uid']),
901 logger('diaspora_post: message exists: ' . $guid);
905 $created = unxmlify($xml->created_at);
906 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
908 $body = diaspora2bb($xml->raw_message);
912 $datarray["object"] = json_encode($xml);
914 if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
915 $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
917 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
918 // Add OEmbed and other information to the body
919 if (!diaspora_is_redmatrix($contact['url']))
920 $body = add_page_info_to_body($body, false, true);
925 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
927 foreach($matches as $mtch) {
928 if(strlen($str_tags))
930 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
934 $plink = diaspora_plink($diaspora_handle, $guid);
936 $datarray['uid'] = $importer['uid'];
937 $datarray['contact-id'] = $contact['id'];
938 $datarray['wall'] = 0;
939 $datarray['network'] = NETWORK_DIASPORA;
940 $datarray['verb'] = ACTIVITY_POST;
941 $datarray['guid'] = $guid;
942 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
943 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
944 $datarray['private'] = $private;
945 $datarray['parent'] = 0;
946 $datarray['plink'] = $plink;
947 $datarray['owner-name'] = $contact['name'];
948 $datarray['owner-link'] = $contact['url'];
949 //$datarray['owner-avatar'] = $contact['thumb'];
950 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
951 $datarray['author-name'] = $contact['name'];
952 $datarray['author-link'] = $contact['url'];
953 $datarray['author-avatar'] = $contact['thumb'];
954 $datarray['body'] = $body;
955 $datarray['tag'] = $str_tags;
956 if ($xml->provider_display_name)
957 $datarray["app"] = unxmlify($xml->provider_display_name);
959 $datarray['app'] = 'Diaspora';
961 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
963 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
965 DiasporaFetchGuid($datarray);
966 $message_id = item_store($datarray);
968 logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
974 function DiasporaFetchGuid($item) {
975 preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
976 function ($match) use ($item){
977 return(DiasporaFetchGuidSub($match, $item));
981 function DiasporaFetchGuidSub($match, $item) {
984 if (!diaspora_store_by_guid($match[1], $item["author-link"]))
985 diaspora_store_by_guid($match[1], $item["owner-link"]);
988 function diaspora_store_by_guid($guid, $server, $uid = 0) {
989 require_once("include/Contact.php");
991 $serverparts = parse_url($server);
992 $server = $serverparts["scheme"]."://".$serverparts["host"];
994 logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
996 $item = diaspora_fetch_message($guid, $server);
1001 logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
1003 $body = $item["body"];
1004 $str_tags = $item["tag"];
1005 $app = $item["app"];
1006 $created = $item["created"];
1007 $author = $item["author"];
1008 $guid = $item["guid"];
1009 $private = $item["private"];
1010 $object = $item["object"];
1011 $objecttype = $item["object-type"];
1013 $message_id = $author.':'.$guid;
1014 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1021 $person = find_diaspora_person_by_handle($author);
1023 $contact_id = get_contact($person['url'], $uid);
1025 $contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
1026 $importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
1028 if ($contacts AND $importers)
1029 if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
1030 logger('Ignoring author '.$person['url'].' for uid '.$uid);
1033 logger('Author '.$person['url'].' is allowed for uid '.$uid);
1035 $datarray = array();
1036 $datarray['uid'] = $uid;
1037 $datarray['contact-id'] = $contact_id;
1038 $datarray['wall'] = 0;
1039 $datarray['network'] = NETWORK_DIASPORA;
1040 $datarray['guid'] = $guid;
1041 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1042 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1043 $datarray['private'] = $private;
1044 $datarray['parent'] = 0;
1045 $datarray['plink'] = diaspora_plink($author, $guid);
1046 $datarray['author-name'] = $person['name'];
1047 $datarray['author-link'] = $person['url'];
1048 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1049 $datarray['owner-name'] = $datarray['author-name'];
1050 $datarray['owner-link'] = $datarray['author-link'];
1051 $datarray['owner-avatar'] = $datarray['author-avatar'];
1052 $datarray['body'] = $body;
1053 $datarray['tag'] = $str_tags;
1054 $datarray['app'] = $app;
1055 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1056 $datarray['object'] = $object;
1057 $datarray['object-type'] = $objecttype;
1059 if ($datarray['contact-id'] == 0)
1062 DiasporaFetchGuid($datarray);
1063 $message_id = item_store($datarray);
1066 /// Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
1071 function diaspora_fetch_message($guid, $server, $level = 0) {
1078 // This will not work if the server is not a Diaspora server
1079 $source_url = $server.'/p/'.$guid.'.xml';
1080 $x = fetch_url($source_url);
1084 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
1085 $source_xml = parse_xml_string($x,false);
1088 $item["app"] = 'Diaspora';
1089 $item["guid"] = $guid;
1092 if ($source_xml->post->status_message->created_at)
1093 $item["created"] = unxmlify($source_xml->post->status_message->created_at);
1095 if ($source_xml->post->status_message->provider_display_name)
1096 $item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
1098 if ($source_xml->post->status_message->diaspora_handle)
1099 $item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
1101 if ($source_xml->post->status_message->guid)
1102 $item["guid"] = unxmlify($source_xml->post->status_message->guid);
1104 $item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
1105 $item["object"] = json_encode($source_xml->post);
1107 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
1108 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1109 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
1110 $body = scale_external_images($body,false);
1111 } elseif($source_xml->post->asphoto->image_url) {
1112 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1113 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
1114 $body = scale_external_images($body);
1115 } elseif($source_xml->post->status_message) {
1116 $body = diaspora2bb($source_xml->post->status_message->raw_message);
1118 // Checking for embedded pictures
1119 if($source_xml->post->status_message->photo->remote_photo_path AND
1120 $source_xml->post->status_message->photo->remote_photo_name) {
1122 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1124 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
1125 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
1127 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
1129 logger('embedded picture link found: '.$body, LOGGER_DEBUG);
1131 $item["object-type"] = ACTIVITY_OBJ_NOTE;
1133 $body = scale_external_images($body);
1135 // Add OEmbed and other information to the body
1136 /// @TODO It could be a repeated redmatrix item
1137 /// Then we shouldn't add further data to it
1138 if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
1139 $body = add_page_info_to_body($body, false, true);
1141 } elseif($source_xml->post->reshare) {
1142 // Reshare of a reshare
1143 return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
1145 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
1146 logger('no content found: '.print_r($source_xml,true));
1150 if (trim($body) == "")
1154 $item["body"] = $body;
1159 function diaspora_reshare($importer,$xml,$msg) {
1161 logger('diaspora_reshare: init: ' . print_r($xml,true));
1164 $guid = notags(unxmlify($xml->guid));
1165 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1168 if($diaspora_handle != $msg['author']) {
1169 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1173 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1177 if(! diaspora_post_allow($importer,$contact, false)) {
1178 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
1182 $message_id = $diaspora_handle . ':' . $guid;
1183 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1184 intval($importer['uid']),
1188 logger('diaspora_reshare: message exists: ' . $guid);
1192 $orig_author = notags(unxmlify($xml->root_diaspora_id));
1193 $orig_guid = notags(unxmlify($xml->root_guid));
1194 $orig_url = $a->get_baseurl()."/display/".$orig_guid;
1196 $create_original_post = false;
1198 // Do we already have this item?
1199 $r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
1201 dbesc(NETWORK_DIASPORA)
1204 logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
1206 // Maybe it is already a reshared item?
1207 // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
1208 require_once('include/api.php');
1209 if (api_share_as_retweet($r[0]))
1212 $body = $r[0]["body"];
1213 $str_tags = $r[0]["tag"];
1214 $app = $r[0]["app"];
1215 $orig_created = $r[0]["created"];
1216 $orig_plink = $r[0]["plink"];
1217 $orig_uri = $r[0]["uri"];
1218 $object = $r[0]["object"];
1219 $objecttype = $r[0]["object-type"];
1228 $server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
1229 logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1230 $item = diaspora_fetch_message($orig_guid, $server);
1233 $server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1234 logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1235 $item = diaspora_fetch_message($orig_guid, $server);
1238 $server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
1239 logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1240 $item = diaspora_fetch_message($orig_guid, $server);
1243 $server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1244 logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1245 $item = diaspora_fetch_message($orig_guid, $server);
1249 $body = $item["body"];
1250 $str_tags = $item["tag"];
1251 $app = $item["app"];
1252 $orig_created = $item["created"];
1253 $orig_author = $item["author"];
1254 $orig_guid = $item["guid"];
1255 $orig_plink = diaspora_plink($orig_author, $orig_guid);
1256 $orig_uri = $orig_author.':'.$orig_guid;
1257 $create_original_post = ($body != "");
1258 $object = $item["object"];
1259 $objecttype = $item["object-type"];
1263 $plink = diaspora_plink($diaspora_handle, $guid);
1265 $person = find_diaspora_person_by_handle($orig_author);
1267 $created = unxmlify($xml->created_at);
1268 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1270 $datarray = array();
1272 $datarray['uid'] = $importer['uid'];
1273 $datarray['contact-id'] = $contact['id'];
1274 $datarray['wall'] = 0;
1275 $datarray['network'] = NETWORK_DIASPORA;
1276 $datarray['guid'] = $guid;
1277 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1278 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1279 $datarray['private'] = $private;
1280 $datarray['parent'] = 0;
1281 $datarray['plink'] = $plink;
1282 $datarray['owner-name'] = $contact['name'];
1283 $datarray['owner-link'] = $contact['url'];
1284 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1285 if (!intval(get_config('system','wall-to-wall_share'))) {
1286 $prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
1288 $datarray['author-name'] = $contact['name'];
1289 $datarray['author-link'] = $contact['url'];
1290 $datarray['author-avatar'] = $contact['thumb'];
1291 $datarray['body'] = $prefix.$body."[/share]";
1293 // Let reshared messages look like wall-to-wall posts
1294 $datarray['author-name'] = $person['name'];
1295 $datarray['author-link'] = $person['url'];
1296 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1297 $datarray['body'] = $body;
1300 $datarray["object"] = json_encode($xml);
1301 $datarray['object-type'] = $objecttype;
1303 $datarray['tag'] = $str_tags;
1304 $datarray['app'] = $app;
1306 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1307 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1309 // Store the original item of a reshare
1310 if ($create_original_post) {
1311 require_once("include/Contact.php");
1313 $datarray2 = $datarray;
1315 $datarray2['uid'] = 0;
1316 $datarray2['contact-id'] = get_contact($person['url'], 0);
1317 $datarray2['guid'] = $orig_guid;
1318 $datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
1319 $datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
1320 $datarray2['parent'] = 0;
1321 $datarray2['plink'] = $orig_plink;
1323 $datarray2['author-name'] = $person['name'];
1324 $datarray2['author-link'] = $person['url'];
1325 $datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1326 $datarray2['owner-name'] = $datarray2['author-name'];
1327 $datarray2['owner-link'] = $datarray2['author-link'];
1328 $datarray2['owner-avatar'] = $datarray2['author-avatar'];
1329 $datarray2['body'] = $body;
1330 $datarray2["object"] = $object;
1332 DiasporaFetchGuid($datarray2);
1333 $message_id = item_store($datarray2);
1335 logger("Store original item ".$orig_guid." under message id ".$message_id);
1338 DiasporaFetchGuid($datarray);
1339 $message_id = item_store($datarray);
1346 function diaspora_asphoto($importer,$xml,$msg) {
1347 logger('diaspora_asphoto called');
1350 $guid = notags(unxmlify($xml->guid));
1351 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1353 if($diaspora_handle != $msg['author']) {
1354 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1358 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1362 if(! diaspora_post_allow($importer,$contact, false)) {
1363 logger('diaspora_asphoto: Ignoring this author.');
1367 $message_id = $diaspora_handle . ':' . $guid;
1368 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1369 intval($importer['uid']),
1373 logger('diaspora_asphoto: message exists: ' . $guid);
1377 $created = unxmlify($xml->created_at);
1378 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1380 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1381 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1382 $body = scale_external_images($body,false);
1384 elseif($xml->image_url) {
1385 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1386 $body = scale_external_images($body);
1389 logger('diaspora_asphoto: no photo url found.');
1393 $plink = diaspora_plink($diaspora_handle, $guid);
1395 $datarray = array();
1397 $datarray['uid'] = $importer['uid'];
1398 $datarray['contact-id'] = $contact['id'];
1399 $datarray['wall'] = 0;
1400 $datarray['network'] = NETWORK_DIASPORA;
1401 $datarray['guid'] = $guid;
1402 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1403 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1404 $datarray['private'] = $private;
1405 $datarray['parent'] = 0;
1406 $datarray['plink'] = $plink;
1407 $datarray['owner-name'] = $contact['name'];
1408 $datarray['owner-link'] = $contact['url'];
1409 //$datarray['owner-avatar'] = $contact['thumb'];
1410 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1411 $datarray['author-name'] = $contact['name'];
1412 $datarray['author-link'] = $contact['url'];
1413 $datarray['author-avatar'] = $contact['thumb'];
1414 $datarray['body'] = $body;
1415 $datarray["object"] = json_encode($xml);
1416 $datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
1418 $datarray['app'] = 'Diaspora/Cubbi.es';
1420 DiasporaFetchGuid($datarray);
1421 $message_id = item_store($datarray);
1424 // q("update item set plink = '%s' where id = %d",
1425 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1426 // intval($message_id)
1434 function diaspora_comment($importer,$xml,$msg) {
1437 $guid = notags(unxmlify($xml->guid));
1438 $parent_guid = notags(unxmlify($xml->parent_guid));
1439 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1440 $target_type = notags(unxmlify($xml->target_type));
1441 $text = unxmlify($xml->text);
1442 $author_signature = notags(unxmlify($xml->author_signature));
1444 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1446 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1448 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1452 if(! diaspora_post_allow($importer,$contact, true)) {
1453 logger('diaspora_comment: Ignoring this author.');
1457 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1458 intval($importer['uid']),
1462 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1466 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1467 intval($importer['uid']),
1472 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
1475 $person = find_diaspora_person_by_handle($diaspora_handle);
1476 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
1480 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
1482 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1483 intval($importer['uid']),
1490 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1493 $parent_item = $r[0];
1496 /* How Diaspora performs comment signature checking:
1498 - If an item has been sent by the comment author to the top-level post owner to relay on
1499 to the rest of the contacts on the top-level post, the top-level post owner should check
1500 the author_signature, then create a parent_author_signature before relaying the comment on
1501 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1502 check only the parent_author_signature. Basically, they trust that the top-level post
1503 owner has already verified the authenticity of anything he/she sends out
1504 - In either case, the signature that get checked is the signature created by the person
1508 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1511 if($parent_author_signature) {
1512 // If a parent_author_signature exists, then we've received the comment
1513 // relayed from the top-level post owner. There's no need to check the
1514 // author_signature if the parent_author_signature is valid
1516 $parent_author_signature = base64_decode($parent_author_signature);
1518 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1519 logger('diaspora_comment: top-level owner verification failed.');
1524 // If there's no parent_author_signature, then we've received the comment
1525 // from the comment creator. In that case, the person is commenting on
1526 // our post, so he/she must be a contact of ours and his/her public key
1527 // should be in $msg['key']
1529 $author_signature = base64_decode($author_signature);
1531 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1532 logger('diaspora_comment: comment author verification failed.');
1537 // Phew! Everything checks out. Now create an item.
1539 // Find the original comment author information.
1540 // We need this to make sure we display the comment author
1541 // information (name and avatar) correctly.
1542 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1545 $person = find_diaspora_person_by_handle($diaspora_handle);
1547 if(! is_array($person)) {
1548 logger('diaspora_comment: unable to find author details');
1553 // Fetch the contact id - if we know this contact
1554 $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
1555 dbesc(normalise_link($person['url'])), intval($importer['uid']));
1558 $network = $r[0]['network'];
1560 $cid = $contact['id'];
1561 $network = NETWORK_DIASPORA;
1564 $body = diaspora2bb($text);
1565 $message_id = $diaspora_handle . ':' . $guid;
1567 $datarray = array();
1569 $datarray['uid'] = $importer['uid'];
1570 $datarray['contact-id'] = $cid;
1571 $datarray['type'] = 'remote-comment';
1572 $datarray['wall'] = $parent_item['wall'];
1573 $datarray['network'] = $network;
1574 $datarray['verb'] = ACTIVITY_POST;
1575 $datarray['gravity'] = GRAVITY_COMMENT;
1576 $datarray['guid'] = $guid;
1577 $datarray['uri'] = $message_id;
1578 $datarray['parent-uri'] = $parent_item['uri'];
1580 // No timestamps for comments? OK, we'll the use current time.
1581 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1582 $datarray['private'] = $parent_item['private'];
1584 $datarray['owner-name'] = $parent_item['owner-name'];
1585 $datarray['owner-link'] = $parent_item['owner-link'];
1586 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1588 $datarray['author-name'] = $person['name'];
1589 $datarray['author-link'] = $person['url'];
1590 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1591 $datarray['body'] = $body;
1592 $datarray["object"] = json_encode($xml);
1593 $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
1595 // We can't be certain what the original app is if the message is relayed.
1596 if(($parent_item['origin']) && (! $parent_author_signature))
1597 $datarray['app'] = 'Diaspora';
1599 DiasporaFetchGuid($datarray);
1600 $message_id = item_store($datarray);
1602 $datarray['id'] = $message_id;
1605 //q("update item set plink = '%s' where id = %d",
1606 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1607 // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
1608 // intval($message_id)
1612 // If we are the origin of the parent we store the original signature and notify our followers
1613 if($parent_item['origin']) {
1614 $author_signature_base64 = base64_encode($author_signature);
1615 $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
1617 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1618 intval($message_id),
1619 dbesc($signed_data),
1620 dbesc($author_signature_base64),
1621 dbesc($diaspora_handle)
1625 proc_run('php','include/notifier.php','comment-import',$message_id);
1634 function diaspora_conversation($importer,$xml,$msg) {
1638 $guid = notags(unxmlify($xml->guid));
1639 $subject = notags(unxmlify($xml->subject));
1640 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1641 $participant_handles = notags(unxmlify($xml->participant_handles));
1642 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1644 $parent_uri = $diaspora_handle . ':' . $guid;
1646 $messages = $xml->message;
1648 if(! count($messages)) {
1649 logger('diaspora_conversation: empty conversation');
1653 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1655 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1659 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1660 logger('diaspora_conversation: Ignoring this author.');
1664 $conversation = null;
1666 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1667 intval($importer['uid']),
1671 $conversation = $c[0];
1673 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1674 intval($importer['uid']),
1676 dbesc($diaspora_handle),
1677 dbesc(datetime_convert('UTC','UTC',$created_at)),
1678 dbesc(datetime_convert()),
1680 dbesc($participant_handles)
1683 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1684 intval($importer['uid']),
1688 $conversation = $c[0];
1690 if(! $conversation) {
1691 logger('diaspora_conversation: unable to create conversation.');
1695 foreach($messages as $mesg) {
1699 $msg_guid = notags(unxmlify($mesg->guid));
1700 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1701 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1702 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1703 $msg_text = unxmlify($mesg->text);
1704 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1705 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1706 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1707 if($msg_conversation_guid != $guid) {
1708 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1712 $body = diaspora2bb($msg_text);
1713 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1715 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1717 $author_signature = base64_decode($msg_author_signature);
1719 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1724 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1726 if(is_array($person) && x($person,'pubkey'))
1727 $key = $person['pubkey'];
1729 logger('diaspora_conversation: unable to find author details');
1734 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1735 logger('diaspora_conversation: verification failed.');
1739 if($msg_parent_author_signature) {
1740 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1742 $parent_author_signature = base64_decode($msg_parent_author_signature);
1746 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1747 logger('diaspora_conversation: owner verification failed.');
1752 $r = q("select id from mail where `uri` = '%s' limit 1",
1756 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1760 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1761 intval($importer['uid']),
1763 intval($conversation['id']),
1764 dbesc($person['name']),
1765 dbesc($person['photo']),
1766 dbesc($person['url']),
1767 intval($contact['id']),
1774 dbesc($msg_created_at)
1777 q("update conv set updated = '%s' where id = %d",
1778 dbesc(datetime_convert()),
1779 intval($conversation['id'])
1783 'type' => NOTIFY_MAIL,
1784 'notify_flags' => $importer['notify-flags'],
1785 'language' => $importer['language'],
1786 'to_name' => $importer['username'],
1787 'to_email' => $importer['email'],
1788 'uid' =>$importer['uid'],
1789 'item' => array('subject' => $subject, 'body' => $body),
1790 'source_name' => $person['name'],
1791 'source_link' => $person['url'],
1792 'source_photo' => $person['thumb'],
1793 'verb' => ACTIVITY_POST,
1801 function diaspora_message($importer,$xml,$msg) {
1805 $msg_guid = notags(unxmlify($xml->guid));
1806 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1807 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1808 $msg_author_signature = notags(unxmlify($xml->author_signature));
1809 $msg_text = unxmlify($xml->text);
1810 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1811 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1812 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1814 $parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
1816 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1818 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1822 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1823 logger('diaspora_message: Ignoring this author.');
1827 $conversation = null;
1829 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1830 intval($importer['uid']),
1831 dbesc($msg_conversation_guid)
1834 $conversation = $c[0];
1836 logger('diaspora_message: conversation not available.');
1842 $body = diaspora2bb($msg_text);
1843 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1845 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1848 $author_signature = base64_decode($msg_author_signature);
1850 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1851 if(is_array($person) && x($person,'pubkey'))
1852 $key = $person['pubkey'];
1854 logger('diaspora_message: unable to find author details');
1858 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1859 logger('diaspora_message: verification failed.');
1863 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1865 intval($importer['uid'])
1868 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1872 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')",
1873 intval($importer['uid']),
1875 intval($conversation['id']),
1876 dbesc($person['name']),
1877 dbesc($person['photo']),
1878 dbesc($person['url']),
1879 intval($contact['id']),
1880 dbesc($conversation['subject']),
1886 dbesc($msg_created_at)
1889 q("update conv set updated = '%s' where id = %d",
1890 dbesc(datetime_convert()),
1891 intval($conversation['id'])
1897 function diaspora_participation($importer,$xml) {
1898 logger("Unsupported message type 'participation' ".print_r($xml, true));
1901 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1905 logger('diaspora_photo: init',LOGGER_DEBUG);
1907 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1909 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1911 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1913 $guid = notags(unxmlify($xml->guid));
1915 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1917 $public = notags(unxmlify($xml->public));
1919 $created_at = notags(unxmlify($xml_created_at));
1921 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1923 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1925 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1929 if(! diaspora_post_allow($importer,$contact, false)) {
1930 logger('diaspora_photo: Ignoring this author.');
1934 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1935 intval($importer['uid']),
1936 dbesc($status_message_guid)
1939 /* deactivated by now since it can lead to multiplicated pictures in posts.
1941 $result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
1944 $person = find_diaspora_person_by_handle($diaspora_handle);
1945 $result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
1949 logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
1951 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1952 intval($importer['uid']),
1953 dbesc($status_message_guid)
1960 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1961 intval($importer['uid']),
1962 dbesc(serialize($msg)),
1963 intval($attempt + 1)
1967 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1971 $parent_item = $r[0];
1973 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1975 $link_text = scale_external_images($link_text, true,
1976 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1978 if(strpos($parent_item['body'],$link_text) === false) {
1980 $parent_item['body'] = $link_text . $parent_item['body'];
1982 $r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
1983 dbesc($parent_item['body']),
1984 intval($parent_item['id']),
1985 intval($parent_item['uid'])
1987 put_item_in_cache($parent_item, true);
1988 update_thread($parent_item['id']);
1997 function diaspora_like($importer,$xml,$msg) {
2000 $guid = notags(unxmlify($xml->guid));
2001 $parent_guid = notags(unxmlify($xml->parent_guid));
2002 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2003 $target_type = notags(unxmlify($xml->target_type));
2004 $positive = notags(unxmlify($xml->positive));
2005 $author_signature = notags(unxmlify($xml->author_signature));
2007 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2009 // likes on comments not supported here and likes on photos not supported by Diaspora
2011 // if($target_type !== 'Post')
2014 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
2016 logger('diaspora_like: cannot find contact: ' . $msg['author']);
2020 if(! diaspora_post_allow($importer,$contact, false)) {
2021 logger('diaspora_like: Ignoring this author.');
2025 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2026 intval($importer['uid']),
2031 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
2034 $person = find_diaspora_person_by_handle($diaspora_handle);
2035 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
2039 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
2041 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2042 intval($importer['uid']),
2049 logger('diaspora_like: parent item not found: ' . $guid);
2053 $parent_item = $r[0];
2055 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2056 intval($importer['uid']),
2060 if($positive === 'true') {
2061 logger('diaspora_like: duplicate like: ' . $guid);
2064 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2065 // It looks like "RelayableRetractions" are used for "unlike" instead
2066 if($positive === 'false') {
2067 logger('diaspora_like: received a like with positive set to "false"...ignoring');
2068 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
2069 intval($r[0]['id']),
2070 intval($importer['uid'])
2072 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
2073 // send notification via proc_run()
2077 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2078 // It looks like "RelayableRetractions" are used for "unlike" instead
2079 if($positive === 'false') {
2080 logger('diaspora_like: received a like with positive set to "false"');
2081 logger('diaspora_like: unlike received with no corresponding like...ignoring');
2086 /* How Diaspora performs "like" signature checking:
2088 - If an item has been sent by the like author to the top-level post owner to relay on
2089 to the rest of the contacts on the top-level post, the top-level post owner should check
2090 the author_signature, then create a parent_author_signature before relaying the like on
2091 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2092 check only the parent_author_signature. Basically, they trust that the top-level post
2093 owner has already verified the authenticity of anything he/she sends out
2094 - In either case, the signature that get checked is the signature created by the person
2098 // Diaspora has changed the way they are signing the likes.
2099 // Just to make sure that we don't miss any likes we will check the old and the current way.
2100 $old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
2102 $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
2106 if ($parent_author_signature) {
2107 // If a parent_author_signature exists, then we've received the like
2108 // relayed from the top-level post owner. There's no need to check the
2109 // author_signature if the parent_author_signature is valid
2111 $parent_author_signature = base64_decode($parent_author_signature);
2113 if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
2114 !rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
2116 logger('diaspora_like: top-level owner verification failed.');
2120 // If there's no parent_author_signature, then we've received the like
2121 // from the like creator. In that case, the person is "like"ing
2122 // our post, so he/she must be a contact of ours and his/her public key
2123 // should be in $msg['key']
2125 $author_signature = base64_decode($author_signature);
2127 if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
2128 !rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
2130 logger('diaspora_like: like creator verification failed.');
2135 // Phew! Everything checks out. Now create an item.
2137 // Find the original comment author information.
2138 // We need this to make sure we display the comment author
2139 // information (name and avatar) correctly.
2140 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
2143 $person = find_diaspora_person_by_handle($diaspora_handle);
2145 if(! is_array($person)) {
2146 logger('diaspora_like: unable to find author details');
2151 $uri = $diaspora_handle . ':' . $guid;
2153 $activity = ACTIVITY_LIKE;
2154 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
2155 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
2156 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
2157 $body = $parent_item['body'];
2162 <type>$objtype</type>
2164 <id>{$parent_item['uri']}</id>
2167 <content>$body</content>
2170 $bodyverb = t('%1$s likes %2$s\'s %3$s');
2172 // Fetch the contact id - if we know this contact
2173 $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
2174 dbesc(normalise_link($person['url'])), intval($importer['uid']));
2177 $network = $r[0]['network'];
2179 $cid = $contact['id'];
2180 $network = NETWORK_DIASPORA;
2186 $arr['uid'] = $importer['uid'];
2187 $arr['guid'] = $guid;
2188 $arr['network'] = $network;
2189 $arr['contact-id'] = $cid;
2190 $arr['type'] = 'activity';
2191 $arr['wall'] = $parent_item['wall'];
2192 $arr['gravity'] = GRAVITY_LIKE;
2193 $arr['parent'] = $parent_item['id'];
2194 $arr['parent-uri'] = $parent_item['uri'];
2196 $arr['owner-name'] = $parent_item['name'];
2197 $arr['owner-link'] = $parent_item['url'];
2198 //$arr['owner-avatar'] = $parent_item['thumb'];
2199 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
2201 $arr['author-name'] = $person['name'];
2202 $arr['author-link'] = $person['url'];
2203 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
2205 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
2206 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
2207 //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
2208 $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
2209 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
2211 $arr['app'] = 'Diaspora';
2213 $arr['private'] = $parent_item['private'];
2214 $arr['verb'] = $activity;
2215 $arr['object-type'] = $objtype;
2216 $arr['object'] = $obj;
2217 $arr['visible'] = 1;
2219 $arr['last-child'] = 0;
2221 $message_id = item_store($arr);
2225 // q("update item set plink = '%s' where id = %d",
2226 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
2227 // dbesc($a->get_baseurl().'/display/'.$guid),
2228 // intval($message_id)
2232 // If we are the origin of the parent we store the original signature and notify our followers
2233 if($parent_item['origin']) {
2234 $author_signature_base64 = base64_encode($author_signature);
2235 $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
2237 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2238 intval($message_id),
2239 dbesc($signed_data),
2240 dbesc($author_signature_base64),
2241 dbesc($diaspora_handle)
2245 proc_run('php','include/notifier.php','comment-import',$message_id);
2251 function diaspora_retraction($importer,$xml) {
2254 $guid = notags(unxmlify($xml->guid));
2255 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2256 $type = notags(unxmlify($xml->type));
2258 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2262 if($type === 'Person') {
2263 require_once('include/Contact.php');
2264 contact_remove($contact['id']);
2265 } elseif($type === 'StatusMessage') {
2266 $guid = notags(unxmlify($xml->post_guid));
2268 $r = q("SELECT * FROM `item` WHERE `guid` = '%s' AND `uid` = %d AND NOT `file` LIKE '%%[%%' LIMIT 1",
2270 intval($importer['uid'])
2273 if(link_compare($r[0]['author-link'],$contact['url'])) {
2274 q("UPDATE `item` SET `deleted` = 1, `changed` = '%s' WHERE `id` = %d",
2275 dbesc(datetime_convert()),
2278 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2281 } elseif($type === 'Post') {
2282 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2284 intval($importer['uid'])
2287 if(link_compare($r[0]['author-link'],$contact['url'])) {
2288 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2289 dbesc(datetime_convert()),
2292 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2301 function diaspora_signed_retraction($importer,$xml,$msg) {
2304 $guid = notags(unxmlify($xml->target_guid));
2305 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2306 $type = notags(unxmlify($xml->target_type));
2307 $sig = notags(unxmlify($xml->target_author_signature));
2309 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2311 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2313 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2318 $signed_data = $guid . ';' . $type ;
2321 /* How Diaspora performs relayable_retraction signature checking:
2323 - If an item has been sent by the item author to the top-level post owner to relay on
2324 to the rest of the contacts on the top-level post, the top-level post owner checks
2325 the author_signature, then creates a parent_author_signature before relaying the item on
2326 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2327 check only the parent_author_signature. Basically, they trust that the top-level post
2328 owner has already verified the authenticity of anything he/she sends out
2329 - In either case, the signature that get checked is the signature created by the person
2333 if($parent_author_signature) {
2335 $parent_author_signature = base64_decode($parent_author_signature);
2337 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2338 logger('diaspora_signed_retraction: top-level post owner verification failed');
2344 $sig_decode = base64_decode($sig);
2346 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2347 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2352 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2353 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2355 intval($importer['uid'])
2358 if(link_compare($r[0]['author-link'],$contact['url'])) {
2359 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2360 dbesc(datetime_convert()),
2361 dbesc(datetime_convert()),
2364 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2366 // Now check if the retraction needs to be relayed by us
2368 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2369 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2370 // The only item with `parent` and `id` as the parent id is the parent item.
2371 $p = q("SELECT `origin` FROM `item` WHERE `parent` = %d AND `id` = %d LIMIT 1",
2372 intval($r[0]['parent']),
2373 intval($r[0]['parent'])
2376 if($p[0]['origin']) {
2377 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2379 dbesc($signed_data),
2381 dbesc($diaspora_handle)
2384 // the existence of parent_author_signature would have meant the parent_author or owner
2385 // is already relaying.
2386 logger('diaspora_signed_retraction: relaying relayable_retraction');
2388 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2395 logger('diaspora_signed_retraction: unknown type: ' . $type);
2401 function diaspora_profile($importer,$xml,$msg) {
2404 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2407 if($diaspora_handle != $msg['author']) {
2408 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2412 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2416 //if($contact['blocked']) {
2417 // logger('diaspora_post: Ignoring this author.');
2421 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2422 $image_url = unxmlify($xml->image_url);
2423 $birthday = unxmlify($xml->birthday);
2424 $location = diaspora2bb(unxmlify($xml->location));
2425 $about = diaspora2bb(unxmlify($xml->bio));
2426 $gender = unxmlify($xml->gender);
2427 $searchable = (unxmlify($xml->searchable) == "true");
2428 $nsfw = (unxmlify($xml->nsfw) == "true");
2429 $tags = unxmlify($xml->tag_string);
2431 $tags = explode("#", $tags);
2433 $keywords = array();
2434 foreach ($tags as $tag) {
2435 $tag = trim(strtolower($tag));
2440 $keywords = implode(", ", $keywords);
2442 $handle_parts = explode("@", $diaspora_handle);
2443 $nick = $handle_parts[0];
2446 $name = $handle_parts[0];
2449 if( preg_match("|^https?://|", $image_url) === 0) {
2450 $image_url = "http://" . $handle_parts[1] . $image_url;
2453 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2454 intval($importer['uid']),
2455 intval($contact['id'])
2457 $oldphotos = ((count($r)) ? $r : null);*/
2459 require_once('include/Photo.php');
2461 update_contact_avatar($image_url,$importer['uid'],$contact['id']);
2463 // Generic birthday. We don't know the timezone. The year is irrelevant.
2465 $birthday = str_replace('1000','1901',$birthday);
2467 if ($birthday != "")
2468 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2470 // this is to prevent multiple birthday notifications in a single year
2471 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2473 if(substr($birthday,5) === substr($contact['bd'],5))
2474 $birthday = $contact['bd'];
2476 /// @TODO Update name on item['author-name'] if the name changed. See consume_feed()
2477 /// (Not doing this currently because D* protocol is scheduled for revision soon).
2479 $r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s', `name-date` = '%s', `bd` = '%s',
2480 `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
2483 dbesc($diaspora_handle),
2484 dbesc(datetime_convert()),
2490 intval($contact['id']),
2491 intval($importer['uid'])
2495 require_once('include/socgraph.php');
2496 poco_check($contact['url'], $name, NETWORK_DIASPORA, $image_url, $about, $location, $gender, $keywords, "",
2497 datetime_convert(), 2, $contact['id'], $importer['uid']);
2500 update_gcontact(array("url" => $contact['url'], "network" => NETWORK_DIASPORA, "generation" => 2,
2501 "photo" => $image_url, "name" => $name, "location" => $location,
2502 "about" => $about, "birthday" => $birthday, "gender" => $gender,
2503 "addr" => $diaspora_handle, "nick" => $nick, "keywords" => $keywords,
2504 "hide" => !$searchable, "nsfw" => $nsfw));
2508 foreach($oldphotos as $ph) {
2509 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2510 intval($importer['uid']),
2511 intval($contact['id']),
2512 dbesc($ph['resource-id'])
2522 function diaspora_share($me,$contact) {
2524 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2525 $theiraddr = $contact['addr'];
2527 $tpl = get_markup_template('diaspora_share.tpl');
2528 $msg = replace_macros($tpl, array(
2529 '$sender' => $myaddr,
2530 '$recipient' => $theiraddr
2533 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2534 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2536 return(diaspora_transmit($owner,$contact,$slap, false));
2539 function diaspora_unshare($me,$contact) {
2542 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2544 $tpl = get_markup_template('diaspora_retract.tpl');
2545 $msg = replace_macros($tpl, array(
2546 '$guid' => $me['guid'],
2547 '$type' => 'Person',
2548 '$handle' => $myaddr
2551 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2552 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2554 return(diaspora_transmit($owner,$contact,$slap, false));
2559 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2562 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2563 $theiraddr = $contact['addr'];
2567 $title = $item['title'];
2568 $body = $item['body'];
2571 // We're trying to match Diaspora's split message/photo protocol but
2572 // all the photos are displayed on D* as links and not img's - even
2573 // though we're sending pretty much precisely what they send us when
2574 // doing the same operation.
2575 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2576 // which seems to get through intact.
2578 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2580 foreach($matches as $mtch) {
2582 $detail['str'] = $mtch[0];
2583 $detail['path'] = dirname($mtch[1]) . '/';
2584 $detail['file'] = basename($mtch[1]);
2585 $detail['guid'] = $item['guid'];
2586 $detail['handle'] = $myaddr;
2587 $images[] = $detail;
2588 $body = str_replace($detail['str'],$mtch[1],$body);
2593 //if(strlen($title))
2594 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2596 // convert to markdown
2597 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2598 //$body = bb2diaspora($body);
2602 $body = "## ".html_entity_decode($title)."\n\n".$body;
2604 if($item['attach']) {
2605 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2607 $body .= "\n" . t('Attachments:') . "\n";
2608 foreach($matches as $mtch) {
2609 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2615 $public = (($item['private']) ? 'false' : 'true');
2617 require_once('include/datetime.php');
2618 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2620 // Detect a share element and do a reshare
2621 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2622 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2623 $tpl = get_markup_template('diaspora_reshare.tpl');
2624 $msg = replace_macros($tpl, array(
2625 '$root_handle' => xmlify($ret['root_handle']),
2626 '$root_guid' => $ret['root_guid'],
2627 '$guid' => $item['guid'],
2628 '$handle' => xmlify($myaddr),
2629 '$public' => $public,
2630 '$created' => $created,
2631 '$provider' => $item["app"]
2634 $tpl = get_markup_template('diaspora_post.tpl');
2635 $msg = replace_macros($tpl, array(
2637 '$guid' => $item['guid'],
2638 '$handle' => xmlify($myaddr),
2639 '$public' => $public,
2640 '$created' => $created,
2641 '$provider' => $item["app"]
2645 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2646 logger('send guid '.$item['guid'], LOGGER_DEBUG);
2648 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2649 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2651 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']);
2653 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2655 if(count($images)) {
2656 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2659 return $return_code;
2662 function diaspora_is_reshare($body) {
2663 $body = trim($body);
2665 // Skip if it isn't a pure repeated messages
2666 // Does it start with a share?
2667 if (strpos($body, "[share") > 0)
2670 // Does it end with a share?
2671 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2674 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2675 // Skip if there is no shared message in there
2676 if ($body == $attributes)
2680 preg_match("/guid='(.*?)'/ism", $attributes, $matches);
2681 if ($matches[1] != "")
2682 $guid = $matches[1];
2684 preg_match('/guid="(.*?)"/ism', $attributes, $matches);
2685 if ($matches[1] != "")
2686 $guid = $matches[1];
2689 $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
2690 dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
2693 $ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
2694 $ret["root_guid"] = $guid;
2700 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2701 if ($matches[1] != "")
2702 $profile = $matches[1];
2704 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2705 if ($matches[1] != "")
2706 $profile = $matches[1];
2710 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2711 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2715 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2716 if ($matches[1] != "")
2717 $link = $matches[1];
2719 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2720 if ($matches[1] != "")
2721 $link = $matches[1];
2723 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2724 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2730 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2732 if(! count($images))
2734 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2736 $tpl = get_markup_template('diaspora_photo.tpl');
2737 foreach($images as $image) {
2738 if(! stristr($image['path'],$mysite))
2740 $resource = str_replace('.jpg','',$image['file']);
2741 $resource = substr($resource,0,strpos($resource,'-'));
2743 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2745 intval($owner['uid'])
2749 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2750 $msg = replace_macros($tpl,array(
2751 '$path' => xmlify($image['path']),
2752 '$filename' => xmlify($image['file']),
2753 '$msg_guid' => xmlify($image['guid']),
2754 '$guid' => xmlify($r[0]['guid']),
2755 '$handle' => xmlify($image['handle']),
2756 '$public' => xmlify($public),
2757 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2761 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2762 logger('send guid '.$r[0]['guid'], LOGGER_DEBUG);
2764 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2765 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2767 diaspora_transmit($owner,$contact,$slap,$public_batch,false,$r[0]['guid']);
2772 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2775 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2776 // $theiraddr = $contact['addr'];
2778 // Diaspora doesn't support threaded comments, but some
2779 // versions of Diaspora (i.e. Diaspora-pistos) support
2780 // likes on comments
2781 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2782 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2783 dbesc($item['thr-parent'])
2787 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2788 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2789 // The only item with `parent` and `id` as the parent id is the parent item.
2790 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2791 intval($item['parent']),
2792 intval($item['parent'])
2800 if($item['verb'] === ACTIVITY_LIKE) {
2801 $tpl = get_markup_template('diaspora_like.tpl');
2803 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2804 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2805 // $positive = (($item['deleted']) ? 'false' : 'true');
2808 if(($item['deleted']))
2809 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2812 $tpl = get_markup_template('diaspora_comment.tpl');
2816 $text = html_entity_decode(bb2diaspora($item['body']));
2821 $signed_text = $positive . ';' . $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $myaddr;
2823 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2825 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2827 $msg = replace_macros($tpl,array(
2828 '$guid' => xmlify($item['guid']),
2829 '$parent_guid' => xmlify($parent['guid']),
2830 '$target_type' =>xmlify($target_type),
2831 '$authorsig' => xmlify($authorsig),
2832 '$body' => xmlify($text),
2833 '$positive' => xmlify($positive),
2834 '$handle' => xmlify($myaddr)
2837 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2838 logger('send guid '.$item['guid'], LOGGER_DEBUG);
2840 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2841 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2843 return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
2847 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2851 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2852 // $theiraddr = $contact['addr'];
2854 // Diaspora doesn't support threaded comments, but some
2855 // versions of Diaspora (i.e. Diaspora-pistos) support
2856 // likes on comments
2857 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2858 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2859 dbesc($item['thr-parent'])
2863 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2864 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2865 // The only item with `parent` and `id` as the parent id is the parent item.
2866 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2867 intval($item['parent']),
2868 intval($item['parent'])
2877 $relay_retract = false;
2878 $sql_sign_id = 'iid';
2879 if( $item['deleted']) {
2880 $relay_retract = true;
2882 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2884 $sql_sign_id = 'retract_iid';
2885 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2887 elseif($item['verb'] === ACTIVITY_LIKE) {
2890 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2891 // $positive = (($item['deleted']) ? 'false' : 'true');
2894 $tpl = get_markup_template('diaspora_like_relay.tpl');
2896 else { // item is a comment
2897 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2901 // fetch the original signature if the relayable was created by a Diaspora
2902 // or DFRN user. Relayables for other networks are not supported.
2904 $r = q("SELECT `signed_text`, `signature`, `signer` FROM `sign` WHERE " . $sql_sign_id . " = %d LIMIT 1",
2909 $signed_text = $orig_sign['signed_text'];
2910 $authorsig = $orig_sign['signature'];
2911 $handle = $orig_sign['signer'];
2913 // Split the signed text
2914 $signed_parts = explode(";", $signed_text);
2916 // Remove the parent guid
2917 array_shift($signed_parts);
2919 // Remove the comment guid
2920 array_shift($signed_parts);
2922 // Remove the handle
2923 array_pop($signed_parts);
2925 // Glue the parts together
2926 $text = implode(";", $signed_parts);
2929 // This part is meant for cases where we don't have the signatur. (Which shouldn't happen with posts from Diaspora and Friendica)
2930 // This means that the comment won't be accepted by newer Diaspora servers
2932 $body = $item['body'];
2933 $text = html_entity_decode(bb2diaspora($body));
2935 $handle = diaspora_handle_from_contact($item['contact-id']);
2940 $signed_text = $item['guid'] . ';' . $target_type;
2942 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2944 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2946 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2949 // Sign the relayable with the top-level owner's signature
2950 $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2952 $msg = replace_macros($tpl,array(
2953 '$guid' => xmlify($item['guid']),
2954 '$parent_guid' => xmlify($parent['guid']),
2955 '$target_type' =>xmlify($target_type),
2956 '$authorsig' => xmlify($authorsig),
2957 '$parentsig' => xmlify($parentauthorsig),
2958 '$body' => xmlify($text),
2959 '$positive' => xmlify($positive),
2960 '$handle' => xmlify($handle)
2963 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2964 logger('send guid '.$item['guid'], LOGGER_DEBUG);
2966 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2967 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2969 return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
2975 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2978 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2980 // Check whether the retraction is for a top-level post or whether it's a relayable
2981 if( $item['uri'] !== $item['parent-uri'] ) {
2983 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2984 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2988 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2989 $target_type = 'StatusMessage';
2992 $signed_text = $item['guid'] . ';' . $target_type;
2994 $msg = replace_macros($tpl, array(
2995 '$guid' => xmlify($item['guid']),
2996 '$type' => xmlify($target_type),
2997 '$handle' => xmlify($myaddr),
2998 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
3001 logger('send guid '.$item['guid'], LOGGER_DEBUG);
3003 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
3004 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
3006 return(diaspora_transmit($owner,$contact,$slap,$public_batch,false,$item['guid']));
3009 function diaspora_send_mail($item,$owner,$contact) {
3012 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
3014 $r = q("select * from conv where id = %d and uid = %d limit 1",
3015 intval($item['convid']),
3016 intval($item['uid'])
3020 logger('diaspora_send_mail: conversation not found.');
3026 'guid' => xmlify($cnv['guid']),
3027 'subject' => xmlify($cnv['subject']),
3028 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
3029 'diaspora_handle' => xmlify($cnv['creator']),
3030 'participant_handles' => xmlify($cnv['recips'])
3033 $body = bb2diaspora($item['body']);
3034 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
3036 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
3037 . $created . ';' . $myaddr . ';' . $cnv['guid'];
3039 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
3042 'guid' => xmlify($item['guid']),
3043 'parent_guid' => xmlify($cnv['guid']),
3044 'parent_author_signature' => xmlify($sig),
3045 'author_signature' => xmlify($sig),
3046 'text' => xmlify($body),
3047 'created_at' => xmlify($created),
3048 'diaspora_handle' => xmlify($myaddr),
3049 'conversation_guid' => xmlify($cnv['guid'])
3052 if($item['reply']) {
3053 $tpl = get_markup_template('diaspora_message.tpl');
3054 $xmsg = replace_macros($tpl, array('$msg' => $msg));
3057 $conv['messages'] = array($msg);
3058 $tpl = get_markup_template('diaspora_conversation.tpl');
3059 $xmsg = replace_macros($tpl, array('$conv' => $conv));
3062 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
3063 logger('send guid '.$item['guid'], LOGGER_DEBUG);
3065 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
3066 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
3068 return(diaspora_transmit($owner,$contact,$slap,false,false,$item['guid']));
3073 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false,$guid = "") {
3075 $enabled = intval(get_config('system','diaspora_enabled'));
3081 $logid = random_string(4);
3082 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
3084 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
3088 logger('diaspora_transmit: '.$logid.'-'.$guid.' '.$dest_url);
3090 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
3094 if (!intval(get_config('system','diaspora_test'))) {
3095 post_url($dest_url . '/', $slap);
3096 $return_code = $a->get_curl_code();
3098 logger('diaspora_transmit: test_mode');
3103 logger('diaspora_transmit: '.$logid.'-'.$guid.' returns: '.$return_code);
3105 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
3106 logger('diaspora_transmit: queue message');
3108 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
3109 intval($contact['id']),
3110 dbesc(NETWORK_DIASPORA),
3112 intval($public_batch)
3115 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
3118 // queue message for redelivery
3119 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
3124 return(($return_code) ? $return_code : (-1));
3127 function diaspora_fetch_relay() {
3129 $serverdata = get_config("system", "relay_server");
3130 if ($serverdata == "")
3135 $servers = explode(",", $serverdata);
3137 foreach($servers AS $server) {
3138 $server = trim($server);
3139 $batch = $server."/receive/public";
3141 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3144 $addr = "relay@".str_replace("http://", "", normalise_link($server));
3146 $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
3147 VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
3152 dbesc(normalise_link($server)),
3154 dbesc(NETWORK_DIASPORA),
3155 intval(CONTACT_IS_FOLLOWER),
3156 dbesc(datetime_convert()),
3157 dbesc(datetime_convert()),
3158 dbesc(datetime_convert())
3161 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3163 $relay[] = $relais[0];
3165 $relay[] = $relais[0];