5 - GET /people/9aed8882b9f64896/stream
8 require_once('include/crypto.php');
9 require_once('include/items.php');
10 require_once('include/bb2diaspora.php');
11 require_once('include/contact_selectors.php');
12 require_once('include/queue_fn.php');
13 require_once('include/lock.php');
14 require_once('include/threads.php');
15 require_once('mod/share.php');
17 function diaspora_dispatch_public($msg) {
19 $enabled = intval(get_config('system','diaspora_enabled'));
21 logger('mod-diaspora: disabled');
25 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
26 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
27 AND `account_expired` = 0 AND `account_removed` = 0 ",
28 dbesc(NETWORK_DIASPORA),
33 logger('diaspora_public: delivering to: ' . $rr['username']);
34 diaspora_dispatch($rr,$msg);
38 logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
40 // Use a dummy importer
41 $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
42 $result = diaspora_dispatch($importer,$msg);
44 logger("Dispatcher reported ".$result, LOGGER_DEBUG);
50 function diaspora_dispatch($importer,$msg,$attempt=1) {
54 $enabled = intval(get_config('system','diaspora_enabled'));
56 logger('mod-diaspora: disabled');
60 // php doesn't like dashes in variable names
62 $msg['message'] = str_replace(
63 array('<activity_streams-photo>','</activity_streams-photo>'),
64 array('<asphoto>','</asphoto>'),
68 $parsed_xml = parse_xml_string($msg['message'],false);
70 $xmlbase = $parsed_xml->post;
72 logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
75 if($xmlbase->request) {
76 $ret = diaspora_request($importer,$xmlbase->request);
78 elseif($xmlbase->status_message) {
79 $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
81 elseif($xmlbase->profile) {
82 $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
84 elseif($xmlbase->comment) {
85 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
87 elseif($xmlbase->like) {
88 $ret = diaspora_like($importer,$xmlbase->like,$msg);
90 elseif($xmlbase->asphoto) {
91 $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
93 elseif($xmlbase->reshare) {
94 $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
96 elseif($xmlbase->retraction) {
97 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
99 elseif($xmlbase->signed_retraction) {
100 $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
102 elseif($xmlbase->relayable_retraction) {
103 $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
105 elseif($xmlbase->photo) {
106 $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
108 elseif($xmlbase->conversation) {
109 $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
111 elseif($xmlbase->message) {
112 $ret = diaspora_message($importer,$xmlbase->message,$msg);
115 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
120 function diaspora_handle_from_contact($contact_id) {
123 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
125 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
131 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
133 if($contact['network'] === NETWORK_DIASPORA) {
134 $handle = $contact['addr'];
136 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
138 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
139 $baseurl_start = strpos($contact['url'],'://') + 3;
140 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
141 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
142 $handle = $contact['nick'] . '@' . $baseurl;
144 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
151 function diaspora_get_contact_by_handle($uid,$handle) {
152 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
153 dbesc(NETWORK_DIASPORA),
160 $handle_parts = explode("@", $handle);
161 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
162 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
173 function find_diaspora_person_by_handle($handle) {
183 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
184 dbesc(NETWORK_DIASPORA),
189 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
191 // update record occasionally so it doesn't get stale
192 $d = strtotime($person['updated'] . ' +00:00');
193 if($d < strtotime('now - 14 days'))
198 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
200 // If the person isn't in our 'fcontact' table, or if he/she is but
201 // his/her information hasn't been updated for more than 14 days, then
202 // we want to fetch the person's information from the remote server.
204 // Note that $person isn't changed by this block of code unless the
205 // person's information has been successfully fetched from the remote
206 // server. So if $person was 'false' to begin with (because he/she wasn't
207 // in the local cache), it'll stay false, and if $person held the local
208 // cache information to begin with, it'll keep that information. That way
209 // if there's a problem with the remote fetch, we can at least use our
210 // cached information--it's better than nothing.
212 if((! $person) || ($update)) {
213 // Lock the function to prevent race conditions if multiple items
214 // come in at the same time from a person who doesn't exist in
217 // Don't loop forever. On the last loop, try to create the contact
218 // whether the function is locked or not. Maybe the locking thread
219 // has died or something. At any rate, a duplicate in 'fcontact'
220 // is a much smaller problem than a deadlocked thread
221 $got_lock = lock_function('find_diaspora_person_by_handle', false);
222 if(($endlessloop + 1) >= $maxloops)
226 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
227 require_once('include/Scrape.php');
228 $r = probe_url($handle, PROBE_DIASPORA);
230 // Note that Friendica contacts can return a "Diaspora person"
231 // if Diaspora connectivity is enabled on their server
232 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
233 add_fcontact($r,$update);
237 unlock_function('find_diaspora_person_by_handle');
240 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
242 block_on_function_lock('find_diaspora_person_by_handle');
245 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
246 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
247 // The fact that the function was locked may mean that another process was creating the
248 // person's record. It could also mean another process was creating or updating an unrelated
251 // At any rate, we need to keep trying until we've either got the person or had a chance to
252 // try to fetch his/her remote information. But we don't want to block on locking the
253 // function, because if the other process is creating the record, then when we acquire the lock
254 // we'll dive right into creating another, duplicate record. We DO want to at least wait
255 // until the lock is released, so we don't flood the database with requests.
257 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
258 // we do have some information for the person
264 function get_diaspora_key($uri) {
265 logger('Fetching diaspora key for: ' . $uri);
267 $r = find_diaspora_person_by_handle($uri);
274 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
277 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
280 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
282 // $b64_data = base64_encode($msg);
283 // $b64url_data = base64url_encode($b64_data);
285 $b64url_data = base64url_encode($msg);
287 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
289 $type = 'application/xml';
290 $encoding = 'base64url';
293 $signable_data = $data . '.' . base64url_encode($type) . '.'
294 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
296 $signature = rsa_sign($signable_data,$prvkey);
297 $sig = base64url_encode($signature);
300 <?xml version='1.0' encoding='UTF-8'?>
301 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
303 <author_id>$handle</author_id>
306 <me:encoding>base64url</me:encoding>
307 <me:alg>RSA-SHA256</me:alg>
308 <me:data type="application/xml">$data</me:data>
309 <me:sig>$sig</me:sig>
314 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
322 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
326 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
328 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
330 // without a public key nothing will work
333 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
337 $inner_aes_key = random_string(32);
338 $b_inner_aes_key = base64_encode($inner_aes_key);
339 $inner_iv = random_string(16);
340 $b_inner_iv = base64_encode($inner_iv);
342 $outer_aes_key = random_string(32);
343 $b_outer_aes_key = base64_encode($outer_aes_key);
344 $outer_iv = random_string(16);
345 $b_outer_iv = base64_encode($outer_iv);
347 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
349 $padded_data = pkcs5_pad($msg,16);
350 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
352 $b64_data = base64_encode($inner_encrypted);
355 $b64url_data = base64url_encode($b64_data);
356 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
358 $type = 'application/xml';
359 $encoding = 'base64url';
362 $signable_data = $data . '.' . base64url_encode($type) . '.'
363 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
365 $signature = rsa_sign($signable_data,$prvkey);
366 $sig = base64url_encode($signature);
368 $decrypted_header = <<< EOT
371 <aes_key>$b_inner_aes_key</aes_key>
372 <author_id>$handle</author_id>
376 $decrypted_header = pkcs5_pad($decrypted_header,16);
378 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
380 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
382 $encrypted_outer_key_bundle = '';
383 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
385 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
387 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
389 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
390 'ciphertext' => base64_encode($ciphertext)));
391 $cipher_json = base64_encode($encrypted_header_json_object);
393 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
396 <?xml version='1.0' encoding='UTF-8'?>
397 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
400 <me:encoding>base64url</me:encoding>
401 <me:alg>RSA-SHA256</me:alg>
402 <me:data type="application/xml">$data</me:data>
403 <me:sig>$sig</me:sig>
408 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
415 * diaspora_decode($importer,$xml)
416 * array $importer -> from user table
417 * string $xml -> urldecoded Diaspora salmon
420 * 'message' -> decoded Diaspora XML message
421 * 'author' -> author diaspora handle
422 * 'key' -> author public key (converted to pkcs#8)
424 * Author and key are used elsewhere to save a lookup for verifying replies and likes
428 function diaspora_decode($importer,$xml) {
431 $basedom = parse_xml_string($xml);
433 $children = $basedom->children('https://joindiaspora.com/protocol');
435 if($children->header) {
437 $author_link = str_replace('acct:','',$children->header->author_id);
441 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
443 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
444 $ciphertext = base64_decode($encrypted_header->ciphertext);
446 $outer_key_bundle = '';
447 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
449 $j_outer_key_bundle = json_decode($outer_key_bundle);
451 $outer_iv = base64_decode($j_outer_key_bundle->iv);
452 $outer_key = base64_decode($j_outer_key_bundle->key);
454 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
457 $decrypted = pkcs5_unpad($decrypted);
460 * $decrypted now contains something like
463 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
464 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
469 * <name>Ryan Hughes</name>
470 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
475 * <author_id>galaxor@diaspora.priateship.org</author_id>
479 * </decrypted_header>
482 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
483 $idom = parse_xml_string($decrypted,false);
485 $inner_iv = base64_decode($idom->iv);
486 $inner_aes_key = base64_decode($idom->aes_key);
488 $author_link = str_replace('acct:','',$idom->author_id);
492 $dom = $basedom->children(NAMESPACE_SALMON_ME);
494 // figure out where in the DOM tree our data is hiding
496 if($dom->provenance->data)
497 $base = $dom->provenance;
498 elseif($dom->env->data)
504 logger('mod-diaspora: unable to locate salmon data in xml ');
505 http_status_exit(400);
509 // Stash the signature away for now. We have to find their key or it won't be good for anything.
510 $signature = base64url_decode($base->sig);
514 // strip whitespace so our data element will return to one big base64 blob
515 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
518 // stash away some other stuff for later
520 $type = $base->data[0]->attributes()->type[0];
521 $keyhash = $base->sig[0]->attributes()->keyhash[0];
522 $encoding = $base->encoding;
526 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
530 $data = base64url_decode($data);
534 $inner_decrypted = $data;
538 // Decode the encrypted blob
540 $inner_encrypted = base64_decode($data);
541 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
542 $inner_decrypted = pkcs5_unpad($inner_decrypted);
546 logger('mod-diaspora: Could not retrieve author URI.');
547 http_status_exit(400);
550 // Once we have the author URI, go to the web and try to find their public key
551 // (first this will look it up locally if it is in the fcontact cache)
552 // This will also convert diaspora public key from pkcs#1 to pkcs#8
554 logger('mod-diaspora: Fetching key for ' . $author_link );
555 $key = get_diaspora_key($author_link);
558 logger('mod-diaspora: Could not retrieve author key.');
559 http_status_exit(400);
562 $verify = rsa_verify($signed_data,$signature,$key);
565 logger('mod-diaspora: Message did not verify. Discarding.');
566 http_status_exit(400);
569 logger('mod-diaspora: Message verified.');
571 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
576 function diaspora_request($importer,$xml) {
580 $sender_handle = unxmlify($xml->sender_handle);
581 $recipient_handle = unxmlify($xml->recipient_handle);
583 if(! $sender_handle || ! $recipient_handle)
586 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
590 // perhaps we were already sharing with this person. Now they're sharing with us.
591 // That makes us friends.
593 if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
594 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
595 intval(CONTACT_IS_FRIEND),
596 intval($contact['id']),
597 intval($importer['uid'])
602 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
603 intval($importer['uid'])
606 if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
607 require_once('include/items.php');
609 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
610 intval($importer['uid'])
613 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
615 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
618 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
619 $arr['uid'] = $importer['uid'];
620 $arr['contact-id'] = $self[0]['id'];
622 $arr['type'] = 'wall';
625 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
626 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
627 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
628 $arr['verb'] = ACTIVITY_FRIEND;
629 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
631 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
632 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
633 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
634 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
636 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
637 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
638 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
639 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
640 $arr['object'] .= '</link></object>' . "\n";
641 $arr['last-child'] = 1;
643 $arr['allow_cid'] = $user[0]['allow_cid'];
644 $arr['allow_gid'] = $user[0]['allow_gid'];
645 $arr['deny_cid'] = $user[0]['deny_cid'];
646 $arr['deny_gid'] = $user[0]['deny_gid'];
648 $i = item_store($arr);
650 proc_run('php',"include/notifier.php","activity","$i");
659 $ret = find_diaspora_person_by_handle($sender_handle);
662 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
663 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
667 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
671 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
672 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
673 intval($importer['uid']),
674 dbesc($ret['network']),
678 dbesc(normalise_link($ret['url'])),
682 dbesc($ret['photo']),
683 dbesc($ret['pubkey']),
684 dbesc($ret['notify']),
690 // find the contact record we just created
692 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
694 if(! $contact_record) {
695 logger('diaspora_request: unable to locate newly created contact record.');
699 $g = q("select def_gid from user where uid = %d limit 1",
700 intval($importer['uid'])
702 if($g && intval($g[0]['def_gid'])) {
703 require_once('include/group.php');
704 group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
707 if($importer['page-flags'] == PAGE_NORMAL) {
709 $hash = random_string() . (string) time(); // Generate a confirm_key
711 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
712 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
713 intval($importer['uid']),
714 intval($contact_record['id']),
717 dbesc( t('Sharing notification from Diaspora network')),
719 dbesc(datetime_convert())
724 // automatic friend approval
726 require_once('include/Photo.php');
728 $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
730 // technically they are sharing with us (CONTACT_IS_SHARING),
731 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
732 // we are going to change the relationship and make them a follower.
734 if($importer['page-flags'] == PAGE_FREELOVE)
735 $new_relation = CONTACT_IS_FRIEND;
737 $new_relation = CONTACT_IS_FOLLOWER;
739 $r = q("UPDATE `contact` SET
746 `avatar-date` = '%s',
755 intval($new_relation),
756 dbesc(datetime_convert()),
757 dbesc(datetime_convert()),
758 dbesc(datetime_convert()),
759 intval($contact_record['id'])
762 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
764 $ret = diaspora_share($u[0],$contact_record);
770 function diaspora_post_allow($importer,$contact) {
772 // perhaps we were already sharing with this person. Now they're sharing with us.
773 // That makes us friends.
774 // Normally this should have handled by getting a request - but this could get lost
775 if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
776 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
777 intval(CONTACT_IS_FRIEND),
778 intval($contact['id']),
779 intval($importer['uid'])
781 $contact['rel'] = CONTACT_IS_FRIEND;
782 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
785 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
787 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
789 if($contact['rel'] == CONTACT_IS_FOLLOWER)
790 if($importer['page-flags'] == PAGE_COMMUNITY)
793 // Messages for the global users are always accepted
794 if ($importer['uid'] == 0)
800 function diaspora_is_redmatrix($url) {
801 return(strstr($url, "/channel/"));
804 function diaspora_plink($addr, $guid) {
805 $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", $addr);
809 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
811 // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
812 // So we try another way as well.
813 $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
815 $r[0]["network"] = $s[0]["network"];
817 if ($r[0]["network"] == NETWORK_DFRN)
818 return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
820 if (diaspora_is_redmatrix($r[0]["url"]))
821 return $r[0]["url"]."/?f=&mid=".$guid;
823 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
826 function diaspora_post($importer,$xml,$msg) {
829 $guid = notags(unxmlify($xml->guid));
830 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
832 if($diaspora_handle != $msg['author']) {
833 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
837 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
839 logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
843 if(! diaspora_post_allow($importer,$contact)) {
844 logger('diaspora_post: Ignoring this author.');
848 $message_id = $diaspora_handle . ':' . $guid;
849 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
850 intval($importer['uid']),
855 logger('diaspora_post: message exists: ' . $guid);
859 $created = unxmlify($xml->created_at);
860 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
862 $body = diaspora2bb($xml->raw_message);
866 $datarray["object"] = json_encode($xml);
868 if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
869 $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
871 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
872 // Add OEmbed and other information to the body
873 if (!diaspora_is_redmatrix($contact['url']))
874 $body = add_page_info_to_body($body, false, true);
879 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
881 foreach($matches as $mtch) {
882 if(strlen($str_tags))
884 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
888 $plink = diaspora_plink($diaspora_handle, $guid);
890 $datarray['uid'] = $importer['uid'];
891 $datarray['contact-id'] = $contact['id'];
892 $datarray['wall'] = 0;
893 $datarray['network'] = NETWORK_DIASPORA;
894 $datarray['verb'] = ACTIVITY_POST;
895 $datarray['guid'] = $guid;
896 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
897 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
898 $datarray['private'] = $private;
899 $datarray['parent'] = 0;
900 $datarray['plink'] = $plink;
901 $datarray['owner-name'] = $contact['name'];
902 $datarray['owner-link'] = $contact['url'];
903 //$datarray['owner-avatar'] = $contact['thumb'];
904 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
905 $datarray['author-name'] = $contact['name'];
906 $datarray['author-link'] = $contact['url'];
907 $datarray['author-avatar'] = $contact['thumb'];
908 $datarray['body'] = $body;
909 $datarray['tag'] = $str_tags;
910 if ($xml->provider_display_name)
911 $datarray["app"] = unxmlify($xml->provider_display_name);
913 $datarray['app'] = 'Diaspora';
915 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
917 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
919 DiasporaFetchGuid($datarray);
920 $message_id = item_store($datarray);
922 logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
928 function DiasporaFetchGuid($item) {
929 preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
930 function ($match) use ($item){
931 return(DiasporaFetchGuidSub($match, $item));
935 function DiasporaFetchGuidSub($match, $item) {
938 if (!diaspora_store_by_guid($match[1], $item["author-link"]))
939 diaspora_store_by_guid($match[1], $item["owner-link"]);
942 function diaspora_store_by_guid($guid, $server, $uid = 0) {
943 require_once("include/Contact.php");
945 $serverparts = parse_url($server);
946 $server = $serverparts["scheme"]."://".$serverparts["host"];
948 logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
950 $item = diaspora_fetch_message($guid, $server);
955 logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
957 $body = $item["body"];
958 $str_tags = $item["tag"];
960 $created = $item["created"];
961 $author = $item["author"];
962 $guid = $item["guid"];
963 $private = $item["private"];
964 $object = $item["object"];
965 $objecttype = $item["object-type"];
967 $message_id = $author.':'.$guid;
968 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
976 $person = find_diaspora_person_by_handle($author);
979 $datarray['uid'] = $uid;
980 $datarray['contact-id'] = get_contact($person['url'], $uid);
981 $datarray['wall'] = 0;
982 $datarray['network'] = NETWORK_DIASPORA;
983 $datarray['guid'] = $guid;
984 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
985 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
986 $datarray['private'] = $private;
987 $datarray['parent'] = 0;
988 $datarray['plink'] = diaspora_plink($author, $guid);
989 $datarray['author-name'] = $person['name'];
990 $datarray['author-link'] = $person['url'];
991 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
992 $datarray['owner-name'] = $datarray['author-name'];
993 $datarray['owner-link'] = $datarray['author-link'];
994 $datarray['owner-avatar'] = $datarray['author-avatar'];
995 $datarray['body'] = $body;
996 $datarray['tag'] = $str_tags;
997 $datarray['app'] = $app;
998 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
999 $datarray['object'] = $object;
1000 $datarray['object-type'] = $objecttype;
1002 if ($datarray['contact-id'] == 0)
1005 DiasporaFetchGuid($datarray);
1006 $message_id = item_store($datarray);
1009 // Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
1014 function diaspora_fetch_message($guid, $server, $level = 0) {
1021 // This will not work if the server is not a Diaspora server
1022 $source_url = $server.'/p/'.$guid.'.xml';
1023 $x = fetch_url($source_url);
1027 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
1028 $source_xml = parse_xml_string($x,false);
1031 $item["app"] = 'Diaspora';
1032 $item["guid"] = $guid;
1035 if ($source_xml->post->status_message->created_at)
1036 $item["created"] = unxmlify($source_xml->post->status_message->created_at);
1038 if ($source_xml->post->status_message->provider_display_name)
1039 $item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
1041 if ($source_xml->post->status_message->diaspora_handle)
1042 $item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
1044 if ($source_xml->post->status_message->guid)
1045 $item["guid"] = unxmlify($source_xml->post->status_message->guid);
1047 $item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
1048 $item["object"] = json_encode($source_xml->post);
1050 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
1051 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1052 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
1053 $body = scale_external_images($body,false);
1054 } elseif($source_xml->post->asphoto->image_url) {
1055 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1056 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
1057 $body = scale_external_images($body);
1058 } elseif($source_xml->post->status_message) {
1059 $body = diaspora2bb($source_xml->post->status_message->raw_message);
1061 // Checking for embedded pictures
1062 if($source_xml->post->status_message->photo->remote_photo_path AND
1063 $source_xml->post->status_message->photo->remote_photo_name) {
1065 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1067 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
1068 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
1070 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
1072 logger('embedded picture link found: '.$body, LOGGER_DEBUG);
1074 $item["object-type"] = ACTIVITY_OBJ_NOTE;
1076 $body = scale_external_images($body);
1078 // Add OEmbed and other information to the body
1079 // To-Do: It could be a repeated redmatrix item
1080 // Then we shouldn't add further data to it
1081 if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
1082 $body = add_page_info_to_body($body, false, true);
1084 } elseif($source_xml->post->reshare) {
1085 // Reshare of a reshare
1086 return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
1088 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
1089 logger('no content found: '.print_r($source_xml,true));
1093 if (trim($body) == "")
1097 $item["body"] = $body;
1102 function diaspora_reshare($importer,$xml,$msg) {
1104 logger('diaspora_reshare: init: ' . print_r($xml,true));
1107 $guid = notags(unxmlify($xml->guid));
1108 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1111 if($diaspora_handle != $msg['author']) {
1112 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1116 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1120 if(! diaspora_post_allow($importer,$contact)) {
1121 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
1125 $message_id = $diaspora_handle . ':' . $guid;
1126 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1127 intval($importer['uid']),
1132 logger('diaspora_reshare: message exists: ' . $guid);
1136 $orig_author = notags(unxmlify($xml->root_diaspora_id));
1137 $orig_guid = notags(unxmlify($xml->root_guid));
1138 $orig_url = $a->get_baseurl()."/display/".$orig_guid;
1140 $create_original_post = false;
1142 // Do we already have this item?
1143 $r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
1145 dbesc(NETWORK_DIASPORA)
1148 logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
1150 // Maybe it is already a reshared item?
1151 // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
1152 require_once('include/api.php');
1153 if (api_share_as_retweet($r[0]))
1156 $body = $r[0]["body"];
1157 $str_tags = $r[0]["tag"];
1158 $app = $r[0]["app"];
1159 $orig_created = $r[0]["created"];
1160 $orig_plink = $r[0]["plink"];
1161 $orig_uri = $r[0]["uri"];
1162 $object = $r[0]["object"];
1163 $objecttype = $r[0]["object-type"];
1172 $server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
1173 logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1174 $item = diaspora_fetch_message($orig_guid, $server);
1177 $server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1178 logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1179 $item = diaspora_fetch_message($orig_guid, $server);
1182 $server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
1183 logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1184 $item = diaspora_fetch_message($orig_guid, $server);
1187 $server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1188 logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1189 $item = diaspora_fetch_message($orig_guid, $server);
1193 $body = $item["body"];
1194 $str_tags = $item["tag"];
1195 $app = $item["app"];
1196 $orig_created = $item["created"];
1197 $orig_author = $item["author"];
1198 $orig_guid = $item["guid"];
1199 $orig_plink = diaspora_plink($orig_author, $orig_guid);
1200 $orig_uri = $orig_author.':'.$orig_guid;
1201 $create_original_post = ($body != "");
1202 $object = $item["object"];
1203 $objecttype = $item["object-type"];
1207 $plink = diaspora_plink($diaspora_handle, $guid);
1209 $person = find_diaspora_person_by_handle($orig_author);
1211 $created = unxmlify($xml->created_at);
1212 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1214 $datarray = array();
1216 $datarray['uid'] = $importer['uid'];
1217 $datarray['contact-id'] = $contact['id'];
1218 $datarray['wall'] = 0;
1219 $datarray['network'] = NETWORK_DIASPORA;
1220 $datarray['guid'] = $guid;
1221 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1222 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1223 $datarray['private'] = $private;
1224 $datarray['parent'] = 0;
1225 $datarray['plink'] = $plink;
1226 $datarray['owner-name'] = $contact['name'];
1227 $datarray['owner-link'] = $contact['url'];
1228 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1229 if (!intval(get_config('system','wall-to-wall_share'))) {
1230 $prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
1232 $datarray['author-name'] = $contact['name'];
1233 $datarray['author-link'] = $contact['url'];
1234 $datarray['author-avatar'] = $contact['thumb'];
1235 $datarray['body'] = $prefix.$body."[/share]";
1237 // Let reshared messages look like wall-to-wall posts
1238 $datarray['author-name'] = $person['name'];
1239 $datarray['author-link'] = $person['url'];
1240 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1241 $datarray['body'] = $body;
1244 $datarray["object"] = json_encode($xml);
1245 $datarray['object-type'] = $objecttype;
1247 $datarray['tag'] = $str_tags;
1248 $datarray['app'] = $app;
1250 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1251 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1253 // Store the original item of a reshare
1254 if ($create_original_post) {
1255 require_once("include/Contact.php");
1257 $datarray2 = $datarray;
1259 $datarray2['uid'] = 0;
1260 $datarray2['contact-id'] = get_contact($person['url'], 0);
1261 $datarray2['guid'] = $orig_guid;
1262 $datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
1263 $datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
1264 $datarray2['parent'] = 0;
1265 $datarray2['plink'] = $orig_plink;
1267 $datarray2['author-name'] = $person['name'];
1268 $datarray2['author-link'] = $person['url'];
1269 $datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1270 $datarray2['owner-name'] = $datarray2['author-name'];
1271 $datarray2['owner-link'] = $datarray2['author-link'];
1272 $datarray2['owner-avatar'] = $datarray2['author-avatar'];
1273 $datarray2['body'] = $body;
1274 $datarray2["object"] = $object;
1276 DiasporaFetchGuid($datarray2);
1277 $message_id = item_store($datarray2);
1279 logger("Store original item ".$orig_guid." under message id ".$message_id);
1282 DiasporaFetchGuid($datarray);
1283 $message_id = item_store($datarray);
1290 function diaspora_asphoto($importer,$xml,$msg) {
1291 logger('diaspora_asphoto called');
1294 $guid = notags(unxmlify($xml->guid));
1295 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1297 if($diaspora_handle != $msg['author']) {
1298 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1302 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1306 if(! diaspora_post_allow($importer,$contact)) {
1307 logger('diaspora_asphoto: Ignoring this author.');
1311 $message_id = $diaspora_handle . ':' . $guid;
1312 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1313 intval($importer['uid']),
1318 logger('diaspora_asphoto: message exists: ' . $guid);
1322 $created = unxmlify($xml->created_at);
1323 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1325 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1326 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1327 $body = scale_external_images($body,false);
1329 elseif($xml->image_url) {
1330 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1331 $body = scale_external_images($body);
1334 logger('diaspora_asphoto: no photo url found.');
1338 $plink = diaspora_plink($diaspora_handle, $guid);
1340 $datarray = array();
1342 $datarray['uid'] = $importer['uid'];
1343 $datarray['contact-id'] = $contact['id'];
1344 $datarray['wall'] = 0;
1345 $datarray['network'] = NETWORK_DIASPORA;
1346 $datarray['guid'] = $guid;
1347 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1348 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1349 $datarray['private'] = $private;
1350 $datarray['parent'] = 0;
1351 $datarray['plink'] = $plink;
1352 $datarray['owner-name'] = $contact['name'];
1353 $datarray['owner-link'] = $contact['url'];
1354 //$datarray['owner-avatar'] = $contact['thumb'];
1355 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1356 $datarray['author-name'] = $contact['name'];
1357 $datarray['author-link'] = $contact['url'];
1358 $datarray['author-avatar'] = $contact['thumb'];
1359 $datarray['body'] = $body;
1360 $datarray["object"] = json_encode($xml);
1361 $datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
1363 $datarray['app'] = 'Diaspora/Cubbi.es';
1365 DiasporaFetchGuid($datarray);
1366 $message_id = item_store($datarray);
1369 // q("update item set plink = '%s' where id = %d",
1370 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1371 // intval($message_id)
1384 function diaspora_comment($importer,$xml,$msg) {
1387 $guid = notags(unxmlify($xml->guid));
1388 $parent_guid = notags(unxmlify($xml->parent_guid));
1389 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1390 $target_type = notags(unxmlify($xml->target_type));
1391 $text = unxmlify($xml->text);
1392 $author_signature = notags(unxmlify($xml->author_signature));
1394 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1396 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1398 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1402 if(! diaspora_post_allow($importer,$contact)) {
1403 logger('diaspora_comment: Ignoring this author.');
1407 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1408 intval($importer['uid']),
1412 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1416 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1417 intval($importer['uid']),
1422 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
1425 $person = find_diaspora_person_by_handle($diaspora_handle);
1426 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
1430 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
1432 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1433 intval($importer['uid']),
1440 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1443 $parent_item = $r[0];
1446 /* How Diaspora performs comment signature checking:
1448 - If an item has been sent by the comment author to the top-level post owner to relay on
1449 to the rest of the contacts on the top-level post, the top-level post owner should check
1450 the author_signature, then create a parent_author_signature before relaying the comment on
1451 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1452 check only the parent_author_signature. Basically, they trust that the top-level post
1453 owner has already verified the authenticity of anything he/she sends out
1454 - In either case, the signature that get checked is the signature created by the person
1458 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1461 if($parent_author_signature) {
1462 // If a parent_author_signature exists, then we've received the comment
1463 // relayed from the top-level post owner. There's no need to check the
1464 // author_signature if the parent_author_signature is valid
1466 $parent_author_signature = base64_decode($parent_author_signature);
1468 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1469 logger('diaspora_comment: top-level owner verification failed.');
1474 // If there's no parent_author_signature, then we've received the comment
1475 // from the comment creator. In that case, the person is commenting on
1476 // our post, so he/she must be a contact of ours and his/her public key
1477 // should be in $msg['key']
1479 $author_signature = base64_decode($author_signature);
1481 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1482 logger('diaspora_comment: comment author verification failed.');
1487 // Phew! Everything checks out. Now create an item.
1489 // Find the original comment author information.
1490 // We need this to make sure we display the comment author
1491 // information (name and avatar) correctly.
1492 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1495 $person = find_diaspora_person_by_handle($diaspora_handle);
1497 if(! is_array($person)) {
1498 logger('diaspora_comment: unable to find author details');
1503 $body = diaspora2bb($text);
1504 $message_id = $diaspora_handle . ':' . $guid;
1506 $datarray = array();
1508 $datarray['uid'] = $importer['uid'];
1509 $datarray['contact-id'] = $contact['id'];
1510 $datarray['type'] = 'remote-comment';
1511 $datarray['wall'] = $parent_item['wall'];
1512 $datarray['network'] = NETWORK_DIASPORA;
1513 $datarray['verb'] = ACTIVITY_POST;
1514 $datarray['gravity'] = GRAVITY_COMMENT;
1515 $datarray['guid'] = $guid;
1516 $datarray['uri'] = $message_id;
1517 $datarray['parent-uri'] = $parent_item['uri'];
1519 // No timestamps for comments? OK, we'll the use current time.
1520 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1521 $datarray['private'] = $parent_item['private'];
1523 $datarray['owner-name'] = $parent_item['owner-name'];
1524 $datarray['owner-link'] = $parent_item['owner-link'];
1525 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1527 $datarray['author-name'] = $person['name'];
1528 $datarray['author-link'] = $person['url'];
1529 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1530 $datarray['body'] = $body;
1531 $datarray["object"] = json_encode($xml);
1532 $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
1534 // We can't be certain what the original app is if the message is relayed.
1535 if(($parent_item['origin']) && (! $parent_author_signature))
1536 $datarray['app'] = 'Diaspora';
1538 DiasporaFetchGuid($datarray);
1539 $message_id = item_store($datarray);
1541 $datarray['id'] = $message_id;
1544 //q("update item set plink = '%s' where id = %d",
1545 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1546 // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
1547 // intval($message_id)
1551 if(($parent_item['origin']) && (! $parent_author_signature)) {
1552 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1553 intval($message_id),
1554 dbesc($signed_data),
1555 dbesc(base64_encode($author_signature)),
1556 dbesc($diaspora_handle)
1559 // if the message isn't already being relayed, notify others
1560 // the existence of parent_author_signature means the parent_author or owner
1561 // is already relaying.
1563 proc_run('php','include/notifier.php','comment-import',$message_id);
1566 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1567 dbesc($parent_item['uri']),
1568 intval($importer['uid'])
1571 if(count($myconv)) {
1572 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1574 foreach($myconv as $conv) {
1576 // now if we find a match, it means we're in this conversation
1578 if(! link_compare($conv['author-link'],$importer_url))
1581 require_once('include/enotify.php');
1583 $conv_parent = $conv['parent'];
1586 'type' => NOTIFY_COMMENT,
1587 'notify_flags' => $importer['notify-flags'],
1588 'language' => $importer['language'],
1589 'to_name' => $importer['username'],
1590 'to_email' => $importer['email'],
1591 'uid' => $importer['uid'],
1592 'item' => $datarray,
1593 'link' => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
1594 'source_name' => $datarray['author-name'],
1595 'source_link' => $datarray['author-link'],
1596 'source_photo' => $datarray['author-avatar'],
1597 'verb' => ACTIVITY_POST,
1599 'parent' => $conv_parent,
1600 'parent_uri' => $parent_uri
1603 // only send one notification
1613 function diaspora_conversation($importer,$xml,$msg) {
1617 $guid = notags(unxmlify($xml->guid));
1618 $subject = notags(unxmlify($xml->subject));
1619 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1620 $participant_handles = notags(unxmlify($xml->participant_handles));
1621 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1623 $parent_uri = $diaspora_handle . ':' . $guid;
1625 $messages = $xml->message;
1627 if(! count($messages)) {
1628 logger('diaspora_conversation: empty conversation');
1632 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1634 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1638 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1639 logger('diaspora_conversation: Ignoring this author.');
1643 $conversation = null;
1645 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1646 intval($importer['uid']),
1650 $conversation = $c[0];
1652 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1653 intval($importer['uid']),
1655 dbesc($diaspora_handle),
1656 dbesc(datetime_convert('UTC','UTC',$created_at)),
1657 dbesc(datetime_convert()),
1659 dbesc($participant_handles)
1662 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1663 intval($importer['uid']),
1667 $conversation = $c[0];
1669 if(! $conversation) {
1670 logger('diaspora_conversation: unable to create conversation.');
1674 foreach($messages as $mesg) {
1678 $msg_guid = notags(unxmlify($mesg->guid));
1679 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1680 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1681 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1682 $msg_text = unxmlify($mesg->text);
1683 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1684 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1685 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1686 if($msg_conversation_guid != $guid) {
1687 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1691 $body = diaspora2bb($msg_text);
1692 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1694 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1696 $author_signature = base64_decode($msg_author_signature);
1698 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1703 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1705 if(is_array($person) && x($person,'pubkey'))
1706 $key = $person['pubkey'];
1708 logger('diaspora_conversation: unable to find author details');
1713 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1714 logger('diaspora_conversation: verification failed.');
1718 if($msg_parent_author_signature) {
1719 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1721 $parent_author_signature = base64_decode($msg_parent_author_signature);
1725 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1726 logger('diaspora_conversation: owner verification failed.');
1731 $r = q("select id from mail where `uri` = '%s' limit 1",
1735 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1739 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1740 intval($importer['uid']),
1742 intval($conversation['id']),
1743 dbesc($person['name']),
1744 dbesc($person['photo']),
1745 dbesc($person['url']),
1746 intval($contact['id']),
1753 dbesc($msg_created_at)
1756 q("update conv set updated = '%s' where id = %d",
1757 dbesc(datetime_convert()),
1758 intval($conversation['id'])
1761 require_once('include/enotify.php');
1763 'type' => NOTIFY_MAIL,
1764 'notify_flags' => $importer['notify-flags'],
1765 'language' => $importer['language'],
1766 'to_name' => $importer['username'],
1767 'to_email' => $importer['email'],
1768 'uid' =>$importer['uid'],
1769 'item' => array('subject' => $subject, 'body' => $body),
1770 'source_name' => $person['name'],
1771 'source_link' => $person['url'],
1772 'source_photo' => $person['thumb'],
1773 'verb' => ACTIVITY_POST,
1781 function diaspora_message($importer,$xml,$msg) {
1785 $msg_guid = notags(unxmlify($xml->guid));
1786 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1787 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1788 $msg_author_signature = notags(unxmlify($xml->author_signature));
1789 $msg_text = unxmlify($xml->text);
1790 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1791 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1792 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1794 $parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
1796 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1798 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1802 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1803 logger('diaspora_message: Ignoring this author.');
1807 $conversation = null;
1809 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1810 intval($importer['uid']),
1811 dbesc($msg_conversation_guid)
1814 $conversation = $c[0];
1816 logger('diaspora_message: conversation not available.');
1822 $body = diaspora2bb($msg_text);
1823 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1825 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1828 $author_signature = base64_decode($msg_author_signature);
1830 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1831 if(is_array($person) && x($person,'pubkey'))
1832 $key = $person['pubkey'];
1834 logger('diaspora_message: unable to find author details');
1838 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1839 logger('diaspora_message: verification failed.');
1843 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1845 intval($importer['uid'])
1848 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1852 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')",
1853 intval($importer['uid']),
1855 intval($conversation['id']),
1856 dbesc($person['name']),
1857 dbesc($person['photo']),
1858 dbesc($person['url']),
1859 intval($contact['id']),
1860 dbesc($conversation['subject']),
1866 dbesc($msg_created_at)
1869 q("update conv set updated = '%s' where id = %d",
1870 dbesc(datetime_convert()),
1871 intval($conversation['id'])
1878 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1882 logger('diaspora_photo: init',LOGGER_DEBUG);
1884 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1886 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1888 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1890 $guid = notags(unxmlify($xml->guid));
1892 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1894 $public = notags(unxmlify($xml->public));
1896 $created_at = notags(unxmlify($xml_created_at));
1898 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1900 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1902 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1906 if(! diaspora_post_allow($importer,$contact)) {
1907 logger('diaspora_photo: Ignoring this author.');
1911 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1912 intval($importer['uid']),
1913 dbesc($status_message_guid)
1916 /* deactivated by now since it can lead to multiplicated pictures in posts.
1918 $result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
1921 $person = find_diaspora_person_by_handle($diaspora_handle);
1922 $result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
1926 logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
1928 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1929 intval($importer['uid']),
1930 dbesc($status_message_guid)
1937 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1938 intval($importer['uid']),
1939 dbesc(serialize($msg)),
1940 intval($attempt + 1)
1944 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1948 $parent_item = $r[0];
1950 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1952 $link_text = scale_external_images($link_text, true,
1953 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1955 if(strpos($parent_item['body'],$link_text) === false) {
1956 $r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
1957 dbesc($link_text . $parent_item['body']),
1958 intval($parent_item['id']),
1959 intval($parent_item['uid'])
1961 update_thread($parent_item['id']);
1970 function diaspora_like($importer,$xml,$msg) {
1973 $guid = notags(unxmlify($xml->guid));
1974 $parent_guid = notags(unxmlify($xml->parent_guid));
1975 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1976 $target_type = notags(unxmlify($xml->target_type));
1977 $positive = notags(unxmlify($xml->positive));
1978 $author_signature = notags(unxmlify($xml->author_signature));
1980 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1982 // likes on comments not supported here and likes on photos not supported by Diaspora
1984 // if($target_type !== 'Post')
1987 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1989 logger('diaspora_like: cannot find contact: ' . $msg['author']);
1993 if(! diaspora_post_allow($importer,$contact)) {
1994 logger('diaspora_like: Ignoring this author.');
1998 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1999 intval($importer['uid']),
2004 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
2007 $person = find_diaspora_person_by_handle($diaspora_handle);
2008 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
2012 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
2014 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2015 intval($importer['uid']),
2022 logger('diaspora_like: parent item not found: ' . $guid);
2026 $parent_item = $r[0];
2028 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2029 intval($importer['uid']),
2033 if($positive === 'true') {
2034 logger('diaspora_like: duplicate like: ' . $guid);
2037 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2038 // It looks like "RelayableRetractions" are used for "unlike" instead
2039 if($positive === 'false') {
2040 logger('diaspora_like: received a like with positive set to "false"...ignoring');
2041 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
2042 intval($r[0]['id']),
2043 intval($importer['uid'])
2045 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
2046 // send notification via proc_run()
2050 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2051 // It looks like "RelayableRetractions" are used for "unlike" instead
2052 if($positive === 'false') {
2053 logger('diaspora_like: received a like with positive set to "false"');
2054 logger('diaspora_like: unlike received with no corresponding like...ignoring');
2059 /* How Diaspora performs "like" signature checking:
2061 - If an item has been sent by the like author to the top-level post owner to relay on
2062 to the rest of the contacts on the top-level post, the top-level post owner should check
2063 the author_signature, then create a parent_author_signature before relaying the like on
2064 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2065 check only the parent_author_signature. Basically, they trust that the top-level post
2066 owner has already verified the authenticity of anything he/she sends out
2067 - In either case, the signature that get checked is the signature created by the person
2071 // Diaspora has changed the way they are signing the likes.
2072 // Just to make sure that we don't miss any likes we will check the old and the current way.
2073 $old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
2075 $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
2079 if ($parent_author_signature) {
2080 // If a parent_author_signature exists, then we've received the like
2081 // relayed from the top-level post owner. There's no need to check the
2082 // author_signature if the parent_author_signature is valid
2084 $parent_author_signature = base64_decode($parent_author_signature);
2086 if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
2087 !rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
2089 logger('diaspora_like: top-level owner verification failed.');
2093 // If there's no parent_author_signature, then we've received the like
2094 // from the like creator. In that case, the person is "like"ing
2095 // our post, so he/she must be a contact of ours and his/her public key
2096 // should be in $msg['key']
2098 $author_signature = base64_decode($author_signature);
2100 if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
2101 !rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
2103 logger('diaspora_like: like creator verification failed.');
2108 // Phew! Everything checks out. Now create an item.
2110 // Find the original comment author information.
2111 // We need this to make sure we display the comment author
2112 // information (name and avatar) correctly.
2113 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
2116 $person = find_diaspora_person_by_handle($diaspora_handle);
2118 if(! is_array($person)) {
2119 logger('diaspora_like: unable to find author details');
2124 $uri = $diaspora_handle . ':' . $guid;
2126 $activity = ACTIVITY_LIKE;
2127 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
2128 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
2129 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
2130 $body = $parent_item['body'];
2135 <type>$objtype</type>
2137 <id>{$parent_item['uri']}</id>
2140 <content>$body</content>
2143 $bodyverb = t('%1$s likes %2$s\'s %3$s');
2148 $arr['uid'] = $importer['uid'];
2149 $arr['guid'] = $guid;
2150 $arr['network'] = NETWORK_DIASPORA;
2151 $arr['contact-id'] = $contact['id'];
2152 $arr['type'] = 'activity';
2153 $arr['wall'] = $parent_item['wall'];
2154 $arr['gravity'] = GRAVITY_LIKE;
2155 $arr['parent'] = $parent_item['id'];
2156 $arr['parent-uri'] = $parent_item['uri'];
2158 $arr['owner-name'] = $parent_item['name'];
2159 $arr['owner-link'] = $parent_item['url'];
2160 //$arr['owner-avatar'] = $parent_item['thumb'];
2161 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
2163 $arr['author-name'] = $person['name'];
2164 $arr['author-link'] = $person['url'];
2165 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
2167 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
2168 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
2169 //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
2170 $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
2171 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
2173 $arr['app'] = 'Diaspora';
2175 $arr['private'] = $parent_item['private'];
2176 $arr['verb'] = $activity;
2177 $arr['object-type'] = $objtype;
2178 $arr['object'] = $obj;
2179 $arr['visible'] = 1;
2181 $arr['last-child'] = 0;
2183 $message_id = item_store($arr);
2187 // q("update item set plink = '%s' where id = %d",
2188 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
2189 // dbesc($a->get_baseurl().'/display/'.$guid),
2190 // intval($message_id)
2194 if(! $parent_author_signature) {
2195 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2196 intval($message_id),
2197 dbesc($signed_data),
2198 dbesc(base64_encode($author_signature)),
2199 dbesc($diaspora_handle)
2203 // if the message isn't already being relayed, notify others
2204 // the existence of parent_author_signature means the parent_author or owner
2205 // is already relaying. The parent_item['origin'] indicates the message was created on our system
2207 if(($parent_item['origin']) && (! $parent_author_signature))
2208 proc_run('php','include/notifier.php','comment-import',$message_id);
2213 function diaspora_retraction($importer,$xml) {
2216 $guid = notags(unxmlify($xml->guid));
2217 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2218 $type = notags(unxmlify($xml->type));
2220 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2224 if($type === 'Person') {
2225 require_once('include/Contact.php');
2226 contact_remove($contact['id']);
2228 elseif($type === 'Post') {
2229 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2231 intval($importer['uid'])
2234 if(link_compare($r[0]['author-link'],$contact['url'])) {
2235 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2236 dbesc(datetime_convert()),
2239 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2248 function diaspora_signed_retraction($importer,$xml,$msg) {
2251 $guid = notags(unxmlify($xml->target_guid));
2252 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2253 $type = notags(unxmlify($xml->target_type));
2254 $sig = notags(unxmlify($xml->target_author_signature));
2256 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2258 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2260 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2265 $signed_data = $guid . ';' . $type ;
2268 /* How Diaspora performs relayable_retraction signature checking:
2270 - If an item has been sent by the item author to the top-level post owner to relay on
2271 to the rest of the contacts on the top-level post, the top-level post owner checks
2272 the author_signature, then creates a parent_author_signature before relaying the item on
2273 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2274 check only the parent_author_signature. Basically, they trust that the top-level post
2275 owner has already verified the authenticity of anything he/she sends out
2276 - In either case, the signature that get checked is the signature created by the person
2280 if($parent_author_signature) {
2282 $parent_author_signature = base64_decode($parent_author_signature);
2284 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2285 logger('diaspora_signed_retraction: top-level post owner verification failed');
2292 $sig_decode = base64_decode($sig);
2294 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2295 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2300 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2301 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2303 intval($importer['uid'])
2306 if(link_compare($r[0]['author-link'],$contact['url'])) {
2307 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2308 dbesc(datetime_convert()),
2309 dbesc(datetime_convert()),
2312 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2314 // Now check if the retraction needs to be relayed by us
2316 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2317 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2318 // The only item with `parent` and `id` as the parent id is the parent item.
2319 $p = q("select origin from item where parent = %d and id = %d limit 1",
2324 if(($p[0]['origin']) && (! $parent_author_signature)) {
2325 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2327 dbesc($signed_data),
2329 dbesc($diaspora_handle)
2332 // the existence of parent_author_signature would have meant the parent_author or owner
2333 // is already relaying.
2334 logger('diaspora_signed_retraction: relaying relayable_retraction');
2336 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2343 logger('diaspora_signed_retraction: unknown type: ' . $type);
2349 function diaspora_profile($importer,$xml,$msg) {
2352 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2355 if($diaspora_handle != $msg['author']) {
2356 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2360 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2364 if($contact['blocked']) {
2365 logger('diaspora_post: Ignoring this author.');
2369 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2370 $image_url = unxmlify($xml->image_url);
2371 $birthday = unxmlify($xml->birthday);
2372 $location = diaspora2bb(unxmlify($xml->location));
2373 $about = diaspora2bb(unxmlify($xml->bio));
2374 $gender = unxmlify($xml->gender);
2375 $tags = unxmlify($xml->tag_string);
2377 $tags = explode("#", $tags);
2379 $keywords = array();
2380 foreach ($tags as $tag) {
2381 $tag = trim(strtolower($tag));
2386 $keywords = implode(", ", $keywords);
2388 $handle_parts = explode("@", $diaspora_handle);
2390 $name = $handle_parts[0];
2393 if( preg_match("|^https?://|", $image_url) === 0) {
2394 $image_url = "http://" . $handle_parts[1] . $image_url;
2397 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2398 intval($importer['uid']),
2399 intval($contact['id'])
2401 $oldphotos = ((count($r)) ? $r : null);*/
2403 require_once('include/Photo.php');
2405 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2407 // Generic birthday. We don't know the timezone. The year is irrelevant.
2409 $birthday = str_replace('1000','1901',$birthday);
2411 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2413 // this is to prevent multiple birthday notifications in a single year
2414 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2416 if(substr($birthday,5) === substr($contact['bd'],5))
2417 $birthday = $contact['bd'];
2419 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2420 // Not doing this currently because D* protocol is scheduled for revision soon.
2422 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
2424 dbesc(datetime_convert()),
2428 dbesc(datetime_convert()),
2434 intval($contact['id']),
2435 intval($importer['uid'])
2438 if (unxmlify($xml->searchable) == "true") {
2439 require_once('include/socgraph.php');
2440 poco_check($contact['url'], $name, NETWORK_DIASPORA, $images[0], $about, $location, $gender, $keywords, "",
2441 datetime_convert(), 2, $contact['id'], $importer['uid']);
2445 $author = q("SELECT * FROM `unique_contacts` WHERE `url`='%s' LIMIT 1",
2446 dbesc(normalise_link($contact['url'])));
2448 if (count($author) == 0) {
2449 q("INSERT INTO `unique_contacts` (`url`, `name`, `avatar`, `location`, `about`) VALUES ('%s', '%s', '%s', '%s', '%s')",
2450 dbesc(normalise_link($contact['url'])), dbesc($name), dbesc($location), dbesc($about), dbesc($images[0]));
2452 $author = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
2453 dbesc(normalise_link($contact['url'])));
2454 } else if (normalise_link($contact['url']).$name.$location.$about != normalise_link($author[0]["url"]).$author[0]["name"].$author[0]["location"].$author[0]["about"]) {
2455 q("UPDATE unique_contacts SET name = '%s', avatar = '%s', `location` = '%s', `about` = '%s' WHERE url = '%s'",
2456 dbesc($name), dbesc($images[0]), dbesc($location), dbesc($about), dbesc(normalise_link($contact['url'])));
2461 foreach($oldphotos as $ph) {
2462 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2463 intval($importer['uid']),
2464 intval($contact['id']),
2465 dbesc($ph['resource-id'])
2475 function diaspora_share($me,$contact) {
2477 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2478 $theiraddr = $contact['addr'];
2480 $tpl = get_markup_template('diaspora_share.tpl');
2481 $msg = replace_macros($tpl, array(
2482 '$sender' => $myaddr,
2483 '$recipient' => $theiraddr
2486 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2487 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2489 return(diaspora_transmit($owner,$contact,$slap, false));
2492 function diaspora_unshare($me,$contact) {
2495 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2497 $tpl = get_markup_template('diaspora_retract.tpl');
2498 $msg = replace_macros($tpl, array(
2499 '$guid' => $me['guid'],
2500 '$type' => 'Person',
2501 '$handle' => $myaddr
2504 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2505 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2507 return(diaspora_transmit($owner,$contact,$slap, false));
2512 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2515 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2516 $theiraddr = $contact['addr'];
2520 $title = $item['title'];
2521 $body = $item['body'];
2524 // We're trying to match Diaspora's split message/photo protocol but
2525 // all the photos are displayed on D* as links and not img's - even
2526 // though we're sending pretty much precisely what they send us when
2527 // doing the same operation.
2528 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2529 // which seems to get through intact.
2531 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2533 foreach($matches as $mtch) {
2535 $detail['str'] = $mtch[0];
2536 $detail['path'] = dirname($mtch[1]) . '/';
2537 $detail['file'] = basename($mtch[1]);
2538 $detail['guid'] = $item['guid'];
2539 $detail['handle'] = $myaddr;
2540 $images[] = $detail;
2541 $body = str_replace($detail['str'],$mtch[1],$body);
2546 //if(strlen($title))
2547 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2549 // convert to markdown
2550 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2551 //$body = bb2diaspora($body);
2555 $body = "## ".html_entity_decode($title)."\n\n".$body;
2557 if($item['attach']) {
2558 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2560 $body .= "\n" . t('Attachments:') . "\n";
2561 foreach($matches as $mtch) {
2562 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2568 $public = (($item['private']) ? 'false' : 'true');
2570 require_once('include/datetime.php');
2571 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2573 // Detect a share element and do a reshare
2574 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2575 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2576 $tpl = get_markup_template('diaspora_reshare.tpl');
2577 $msg = replace_macros($tpl, array(
2578 '$root_handle' => xmlify($ret['root_handle']),
2579 '$root_guid' => $ret['root_guid'],
2580 '$guid' => $item['guid'],
2581 '$handle' => xmlify($myaddr),
2582 '$public' => $public,
2583 '$created' => $created,
2584 '$provider' => $item["app"]
2587 $tpl = get_markup_template('diaspora_post.tpl');
2588 $msg = replace_macros($tpl, array(
2590 '$guid' => $item['guid'],
2591 '$handle' => xmlify($myaddr),
2592 '$public' => $public,
2593 '$created' => $created,
2594 '$provider' => $item["app"]
2598 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2600 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2601 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2603 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2605 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2607 if(count($images)) {
2608 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2611 return $return_code;
2614 function diaspora_is_reshare($body) {
2615 $body = trim($body);
2617 // Skip if it isn't a pure repeated messages
2618 // Does it start with a share?
2619 if (strpos($body, "[share") > 0)
2622 // Does it end with a share?
2623 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2626 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2627 // Skip if there is no shared message in there
2628 if ($body == $attributes)
2632 preg_match("/guid='(.*?)'/ism", $attributes, $matches);
2633 if ($matches[1] != "")
2634 $guid = $matches[1];
2636 preg_match('/guid="(.*?)"/ism', $attributes, $matches);
2637 if ($matches[1] != "")
2638 $guid = $matches[1];
2641 $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
2642 dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
2645 $ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
2646 $ret["root_guid"] = $guid;
2652 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2653 if ($matches[1] != "")
2654 $profile = $matches[1];
2656 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2657 if ($matches[1] != "")
2658 $profile = $matches[1];
2662 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2663 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2667 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2668 if ($matches[1] != "")
2669 $link = $matches[1];
2671 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2672 if ($matches[1] != "")
2673 $link = $matches[1];
2675 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2676 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2682 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2684 if(! count($images))
2686 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2688 $tpl = get_markup_template('diaspora_photo.tpl');
2689 foreach($images as $image) {
2690 if(! stristr($image['path'],$mysite))
2692 $resource = str_replace('.jpg','',$image['file']);
2693 $resource = substr($resource,0,strpos($resource,'-'));
2695 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2697 intval($owner['uid'])
2701 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2702 $msg = replace_macros($tpl,array(
2703 '$path' => xmlify($image['path']),
2704 '$filename' => xmlify($image['file']),
2705 '$msg_guid' => xmlify($image['guid']),
2706 '$guid' => xmlify($r[0]['guid']),
2707 '$handle' => xmlify($image['handle']),
2708 '$public' => xmlify($public),
2709 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2713 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2714 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2715 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2717 diaspora_transmit($owner,$contact,$slap,$public_batch);
2722 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2725 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2726 // $theiraddr = $contact['addr'];
2728 // Diaspora doesn't support threaded comments, but some
2729 // versions of Diaspora (i.e. Diaspora-pistos) support
2730 // likes on comments
2731 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2732 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2733 dbesc($item['thr-parent'])
2737 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2738 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2739 // The only item with `parent` and `id` as the parent id is the parent item.
2740 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2741 intval($item['parent']),
2742 intval($item['parent'])
2750 if($item['verb'] === ACTIVITY_LIKE) {
2751 $tpl = get_markup_template('diaspora_like.tpl');
2753 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2754 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2755 // $positive = (($item['deleted']) ? 'false' : 'true');
2758 if(($item['deleted']))
2759 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2762 $tpl = get_markup_template('diaspora_comment.tpl');
2766 $text = html_entity_decode(bb2diaspora($item['body']));
2771 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2773 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2775 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2777 $msg = replace_macros($tpl,array(
2778 '$guid' => xmlify($item['guid']),
2779 '$parent_guid' => xmlify($parent['guid']),
2780 '$target_type' =>xmlify($target_type),
2781 '$authorsig' => xmlify($authorsig),
2782 '$body' => xmlify($text),
2783 '$positive' => xmlify($positive),
2784 '$handle' => xmlify($myaddr)
2787 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2789 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2790 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2792 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2796 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2800 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2801 // $theiraddr = $contact['addr'];
2803 $body = $item['body'];
2804 $text = html_entity_decode(bb2diaspora($body));
2806 // Diaspora doesn't support threaded comments, but some
2807 // versions of Diaspora (i.e. Diaspora-pistos) support
2808 // likes on comments
2809 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2810 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2811 dbesc($item['thr-parent'])
2815 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2816 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2817 // The only item with `parent` and `id` as the parent id is the parent item.
2818 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2819 intval($item['parent']),
2820 intval($item['parent'])
2829 $relay_retract = false;
2830 $sql_sign_id = 'iid';
2831 if( $item['deleted']) {
2832 $relay_retract = true;
2834 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2836 $sql_sign_id = 'retract_iid';
2837 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2839 elseif($item['verb'] === ACTIVITY_LIKE) {
2842 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2843 // $positive = (($item['deleted']) ? 'false' : 'true');
2846 $tpl = get_markup_template('diaspora_like_relay.tpl');
2848 else { // item is a comment
2849 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2853 // fetch the original signature if the relayable was created by a Diaspora
2854 // or DFRN user. Relayables for other networks are not supported.
2856 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2861 $signed_text = $orig_sign['signed_text'];
2862 $authorsig = $orig_sign['signature'];
2863 $handle = $orig_sign['signer'];
2867 // Author signature information (for likes, comments, and retractions of likes or comments,
2868 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2869 // function is called
2870 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2874 /* Since the author signature is only checked by the parent, not by the relay recipients,
2875 * I think it may not be necessary for us to do so much work to preserve all the original
2876 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2877 * Let's just generate that and forget about all the original author signature stuff.
2879 * Note: this might be more of an problem if we want to support likes on comments for older
2880 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2881 * doing that, let's ignore it for now.
2883 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2887 $handle = diaspora_handle_from_contact($item['contact-id']);
2893 $sender_signed_text = $item['guid'] . ';' . $target_type;
2895 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2897 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2899 // Sign the relayable with the top-level owner's signature
2901 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2902 // stored in the database, because that provides the best chance that Diaspora will
2903 // be able to reconstruct the signed text the same way we did. This is particularly a
2904 // concern for the comment, whose signed text includes the text of the comment. The
2905 // smallest change in the text of the comment, including removing whitespace, will
2906 // make the signature verification fail. Since we translate from BB code to Diaspora's
2907 // markup at the top of this function, which is AFTER we placed the original $signed_text
2908 // in the database, it's hazardous to trust the original $signed_text.
2910 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2912 $msg = replace_macros($tpl,array(
2913 '$guid' => xmlify($item['guid']),
2914 '$parent_guid' => xmlify($parent['guid']),
2915 '$target_type' =>xmlify($target_type),
2916 '$authorsig' => xmlify($authorsig),
2917 '$parentsig' => xmlify($parentauthorsig),
2918 '$body' => xmlify($text),
2919 '$positive' => xmlify($positive),
2920 '$handle' => xmlify($handle)
2923 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2926 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2927 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2929 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2935 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2938 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2940 // Check whether the retraction is for a top-level post or whether it's a relayable
2941 if( $item['uri'] !== $item['parent-uri'] ) {
2943 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2944 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2948 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2949 $target_type = 'StatusMessage';
2952 $signed_text = $item['guid'] . ';' . $target_type;
2954 $msg = replace_macros($tpl, array(
2955 '$guid' => xmlify($item['guid']),
2956 '$type' => xmlify($target_type),
2957 '$handle' => xmlify($myaddr),
2958 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2961 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2962 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2964 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2967 function diaspora_send_mail($item,$owner,$contact) {
2970 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2972 $r = q("select * from conv where id = %d and uid = %d limit 1",
2973 intval($item['convid']),
2974 intval($item['uid'])
2978 logger('diaspora_send_mail: conversation not found.');
2984 'guid' => xmlify($cnv['guid']),
2985 'subject' => xmlify($cnv['subject']),
2986 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2987 'diaspora_handle' => xmlify($cnv['creator']),
2988 'participant_handles' => xmlify($cnv['recips'])
2991 $body = bb2diaspora($item['body']);
2992 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2994 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
2995 . $created . ';' . $myaddr . ';' . $cnv['guid'];
2997 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
3000 'guid' => xmlify($item['guid']),
3001 'parent_guid' => xmlify($cnv['guid']),
3002 'parent_author_signature' => xmlify($sig),
3003 'author_signature' => xmlify($sig),
3004 'text' => xmlify($body),
3005 'created_at' => xmlify($created),
3006 'diaspora_handle' => xmlify($myaddr),
3007 'conversation_guid' => xmlify($cnv['guid'])
3010 if($item['reply']) {
3011 $tpl = get_markup_template('diaspora_message.tpl');
3012 $xmsg = replace_macros($tpl, array('$msg' => $msg));
3015 $conv['messages'] = array($msg);
3016 $tpl = get_markup_template('diaspora_conversation.tpl');
3017 $xmsg = replace_macros($tpl, array('$conv' => $conv));
3020 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
3022 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
3023 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
3025 return(diaspora_transmit($owner,$contact,$slap,false));
3030 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
3032 $enabled = intval(get_config('system','diaspora_enabled'));
3038 $logid = random_string(4);
3039 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
3041 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
3045 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
3047 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
3051 if (!intval(get_config('system','diaspora_test'))) {
3052 post_url($dest_url . '/', $slap);
3053 $return_code = $a->get_curl_code();
3055 logger('diaspora_transmit: test_mode');
3060 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
3062 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
3063 logger('diaspora_transmit: queue message');
3065 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
3066 intval($contact['id']),
3067 dbesc(NETWORK_DIASPORA),
3069 intval($public_batch)
3072 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
3075 // queue message for redelivery
3076 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
3081 return(($return_code) ? $return_code : (-1));
3084 function diaspora_fetch_relay() {
3086 $serverdata = get_config("system", "relay_server");
3087 if ($serverdata == "")
3092 $servers = explode(",", $serverdata);
3094 foreach($servers AS $server) {
3095 $server = trim($server);
3096 $batch = $server."/receive/public";
3098 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3101 $addr = "relay@".str_replace("http://", "", normalise_link($server));
3103 $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
3104 VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
3109 dbesc(normalise_link($server)),
3111 dbesc(NETWORK_DIASPORA),
3112 intval(CONTACT_IS_FOLLOWER),
3113 dbesc(datetime_convert()),
3114 dbesc(datetime_convert()),
3115 dbesc(datetime_convert())
3118 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3120 $relay[] = $relais[0];
3122 $relay[] = $relais[0];