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 // Use a dummy importer to import the data for the public copy
26 $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
27 $result = diaspora_dispatch($importer,$msg);
28 logger("Dispatcher reported ".$result, LOGGER_DEBUG);
30 // Now distribute it to the followers
31 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
32 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
33 AND `account_expired` = 0 AND `account_removed` = 0 ",
34 dbesc(NETWORK_DIASPORA),
39 logger('diaspora_public: delivering to: ' . $rr['username']);
40 diaspora_dispatch($rr,$msg);
44 logger('diaspora_public: no subscribers for '.$msg["author"].' '.print_r($msg, true));
49 function diaspora_dispatch($importer,$msg,$attempt=1) {
53 $enabled = intval(get_config('system','diaspora_enabled'));
55 logger('mod-diaspora: disabled');
59 // php doesn't like dashes in variable names
61 $msg['message'] = str_replace(
62 array('<activity_streams-photo>','</activity_streams-photo>'),
63 array('<asphoto>','</asphoto>'),
67 $parsed_xml = parse_xml_string($msg['message'],false);
69 $xmlbase = $parsed_xml->post;
71 logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
74 if($xmlbase->request) {
75 $ret = diaspora_request($importer,$xmlbase->request);
77 elseif($xmlbase->status_message) {
78 $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
80 elseif($xmlbase->profile) {
81 $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
83 elseif($xmlbase->comment) {
84 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
86 elseif($xmlbase->like) {
87 $ret = diaspora_like($importer,$xmlbase->like,$msg);
89 elseif($xmlbase->asphoto) {
90 $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
92 elseif($xmlbase->reshare) {
93 $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
95 elseif($xmlbase->retraction) {
96 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
98 elseif($xmlbase->signed_retraction) {
99 $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
101 elseif($xmlbase->relayable_retraction) {
102 $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
104 elseif($xmlbase->photo) {
105 $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
107 elseif($xmlbase->conversation) {
108 $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
110 elseif($xmlbase->message) {
111 $ret = diaspora_message($importer,$xmlbase->message,$msg);
114 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
119 function diaspora_handle_from_contact($contact_id) {
122 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
124 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
130 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
132 if($contact['network'] === NETWORK_DIASPORA) {
133 $handle = $contact['addr'];
135 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
137 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
138 $baseurl_start = strpos($contact['url'],'://') + 3;
139 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
140 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
141 $handle = $contact['nick'] . '@' . $baseurl;
143 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
150 function diaspora_get_contact_by_handle($uid,$handle) {
151 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
152 dbesc(NETWORK_DIASPORA),
159 $handle_parts = explode("@", $handle);
160 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
161 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
172 function find_diaspora_person_by_handle($handle) {
182 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
183 dbesc(NETWORK_DIASPORA),
188 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
190 // update record occasionally so it doesn't get stale
191 $d = strtotime($person['updated'] . ' +00:00');
192 if($d < strtotime('now - 14 days'))
197 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
199 // If the person isn't in our 'fcontact' table, or if he/she is but
200 // his/her information hasn't been updated for more than 14 days, then
201 // we want to fetch the person's information from the remote server.
203 // Note that $person isn't changed by this block of code unless the
204 // person's information has been successfully fetched from the remote
205 // server. So if $person was 'false' to begin with (because he/she wasn't
206 // in the local cache), it'll stay false, and if $person held the local
207 // cache information to begin with, it'll keep that information. That way
208 // if there's a problem with the remote fetch, we can at least use our
209 // cached information--it's better than nothing.
211 if((! $person) || ($update)) {
212 // Lock the function to prevent race conditions if multiple items
213 // come in at the same time from a person who doesn't exist in
216 // Don't loop forever. On the last loop, try to create the contact
217 // whether the function is locked or not. Maybe the locking thread
218 // has died or something. At any rate, a duplicate in 'fcontact'
219 // is a much smaller problem than a deadlocked thread
220 $got_lock = lock_function('find_diaspora_person_by_handle', false);
221 if(($endlessloop + 1) >= $maxloops)
225 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
226 require_once('include/Scrape.php');
227 $r = probe_url($handle, PROBE_DIASPORA);
229 // Note that Friendica contacts can return a "Diaspora person"
230 // if Diaspora connectivity is enabled on their server
231 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
232 add_fcontact($r,$update);
236 unlock_function('find_diaspora_person_by_handle');
239 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
241 block_on_function_lock('find_diaspora_person_by_handle');
244 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
245 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
246 // The fact that the function was locked may mean that another process was creating the
247 // person's record. It could also mean another process was creating or updating an unrelated
250 // At any rate, we need to keep trying until we've either got the person or had a chance to
251 // try to fetch his/her remote information. But we don't want to block on locking the
252 // function, because if the other process is creating the record, then when we acquire the lock
253 // we'll dive right into creating another, duplicate record. We DO want to at least wait
254 // until the lock is released, so we don't flood the database with requests.
256 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
257 // we do have some information for the person
263 function get_diaspora_key($uri) {
264 logger('Fetching diaspora key for: ' . $uri);
266 $r = find_diaspora_person_by_handle($uri);
273 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
276 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
279 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
281 // $b64_data = base64_encode($msg);
282 // $b64url_data = base64url_encode($b64_data);
284 $b64url_data = base64url_encode($msg);
286 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
288 $type = 'application/xml';
289 $encoding = 'base64url';
292 $signable_data = $data . '.' . base64url_encode($type) . '.'
293 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
295 $signature = rsa_sign($signable_data,$prvkey);
296 $sig = base64url_encode($signature);
299 <?xml version='1.0' encoding='UTF-8'?>
300 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
302 <author_id>$handle</author_id>
305 <me:encoding>base64url</me:encoding>
306 <me:alg>RSA-SHA256</me:alg>
307 <me:data type="application/xml">$data</me:data>
308 <me:sig>$sig</me:sig>
313 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
321 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
325 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
327 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
329 // without a public key nothing will work
332 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
336 $inner_aes_key = random_string(32);
337 $b_inner_aes_key = base64_encode($inner_aes_key);
338 $inner_iv = random_string(16);
339 $b_inner_iv = base64_encode($inner_iv);
341 $outer_aes_key = random_string(32);
342 $b_outer_aes_key = base64_encode($outer_aes_key);
343 $outer_iv = random_string(16);
344 $b_outer_iv = base64_encode($outer_iv);
346 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
348 $padded_data = pkcs5_pad($msg,16);
349 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
351 $b64_data = base64_encode($inner_encrypted);
354 $b64url_data = base64url_encode($b64_data);
355 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
357 $type = 'application/xml';
358 $encoding = 'base64url';
361 $signable_data = $data . '.' . base64url_encode($type) . '.'
362 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
364 $signature = rsa_sign($signable_data,$prvkey);
365 $sig = base64url_encode($signature);
367 $decrypted_header = <<< EOT
370 <aes_key>$b_inner_aes_key</aes_key>
371 <author_id>$handle</author_id>
375 $decrypted_header = pkcs5_pad($decrypted_header,16);
377 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
379 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
381 $encrypted_outer_key_bundle = '';
382 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
384 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
386 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
388 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
389 'ciphertext' => base64_encode($ciphertext)));
390 $cipher_json = base64_encode($encrypted_header_json_object);
392 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
395 <?xml version='1.0' encoding='UTF-8'?>
396 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
399 <me:encoding>base64url</me:encoding>
400 <me:alg>RSA-SHA256</me:alg>
401 <me:data type="application/xml">$data</me:data>
402 <me:sig>$sig</me:sig>
407 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
414 * diaspora_decode($importer,$xml)
415 * array $importer -> from user table
416 * string $xml -> urldecoded Diaspora salmon
419 * 'message' -> decoded Diaspora XML message
420 * 'author' -> author diaspora handle
421 * 'key' -> author public key (converted to pkcs#8)
423 * Author and key are used elsewhere to save a lookup for verifying replies and likes
427 function diaspora_decode($importer,$xml) {
430 $basedom = parse_xml_string($xml);
432 $children = $basedom->children('https://joindiaspora.com/protocol');
434 if($children->header) {
436 $author_link = str_replace('acct:','',$children->header->author_id);
440 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
442 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
443 $ciphertext = base64_decode($encrypted_header->ciphertext);
445 $outer_key_bundle = '';
446 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
448 $j_outer_key_bundle = json_decode($outer_key_bundle);
450 $outer_iv = base64_decode($j_outer_key_bundle->iv);
451 $outer_key = base64_decode($j_outer_key_bundle->key);
453 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
456 $decrypted = pkcs5_unpad($decrypted);
459 * $decrypted now contains something like
462 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
463 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
468 * <name>Ryan Hughes</name>
469 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
474 * <author_id>galaxor@diaspora.priateship.org</author_id>
478 * </decrypted_header>
481 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
482 $idom = parse_xml_string($decrypted,false);
484 $inner_iv = base64_decode($idom->iv);
485 $inner_aes_key = base64_decode($idom->aes_key);
487 $author_link = str_replace('acct:','',$idom->author_id);
491 $dom = $basedom->children(NAMESPACE_SALMON_ME);
493 // figure out where in the DOM tree our data is hiding
495 if($dom->provenance->data)
496 $base = $dom->provenance;
497 elseif($dom->env->data)
503 logger('mod-diaspora: unable to locate salmon data in xml ');
504 http_status_exit(400);
508 // Stash the signature away for now. We have to find their key or it won't be good for anything.
509 $signature = base64url_decode($base->sig);
513 // strip whitespace so our data element will return to one big base64 blob
514 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
517 // stash away some other stuff for later
519 $type = $base->data[0]->attributes()->type[0];
520 $keyhash = $base->sig[0]->attributes()->keyhash[0];
521 $encoding = $base->encoding;
525 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
529 $data = base64url_decode($data);
533 $inner_decrypted = $data;
537 // Decode the encrypted blob
539 $inner_encrypted = base64_decode($data);
540 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
541 $inner_decrypted = pkcs5_unpad($inner_decrypted);
545 logger('mod-diaspora: Could not retrieve author URI.');
546 http_status_exit(400);
549 // Once we have the author URI, go to the web and try to find their public key
550 // (first this will look it up locally if it is in the fcontact cache)
551 // This will also convert diaspora public key from pkcs#1 to pkcs#8
553 logger('mod-diaspora: Fetching key for ' . $author_link );
554 $key = get_diaspora_key($author_link);
557 logger('mod-diaspora: Could not retrieve author key.');
558 http_status_exit(400);
561 $verify = rsa_verify($signed_data,$signature,$key);
564 logger('mod-diaspora: Message did not verify. Discarding.');
565 http_status_exit(400);
568 logger('mod-diaspora: Message verified.');
570 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
575 function diaspora_request($importer,$xml) {
579 $sender_handle = unxmlify($xml->sender_handle);
580 $recipient_handle = unxmlify($xml->recipient_handle);
582 if(! $sender_handle || ! $recipient_handle)
585 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
589 // perhaps we were already sharing with this person. Now they're sharing with us.
590 // That makes us friends.
592 if($contact['rel'] == CONTACT_IS_FOLLOWER && !in_array($importer['page-flags'], array(PAGE_COMMUNITY, PAGE_SOAPBOX))) {
593 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
594 intval(CONTACT_IS_FRIEND),
595 intval($contact['id']),
596 intval($importer['uid'])
601 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
602 intval($importer['uid'])
605 if((count($r)) && (!$r[0]['hide-friends']) && (!$contact['hidden']) && intval(get_pconfig($importer['uid'],'system','post_newfriend'))) {
606 require_once('include/items.php');
608 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
609 intval($importer['uid'])
612 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
614 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
617 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
618 $arr['uid'] = $importer['uid'];
619 $arr['contact-id'] = $self[0]['id'];
621 $arr['type'] = 'wall';
624 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
625 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
626 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
627 $arr['verb'] = ACTIVITY_FRIEND;
628 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
630 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
631 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
632 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
633 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
635 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
636 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
637 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
638 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
639 $arr['object'] .= '</link></object>' . "\n";
640 $arr['last-child'] = 1;
642 $arr['allow_cid'] = $user[0]['allow_cid'];
643 $arr['allow_gid'] = $user[0]['allow_gid'];
644 $arr['deny_cid'] = $user[0]['deny_cid'];
645 $arr['deny_gid'] = $user[0]['deny_gid'];
647 $i = item_store($arr);
649 proc_run('php',"include/notifier.php","activity","$i");
658 $ret = find_diaspora_person_by_handle($sender_handle);
661 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
662 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
666 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
670 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
671 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
672 intval($importer['uid']),
673 dbesc($ret['network']),
677 dbesc(normalise_link($ret['url'])),
681 dbesc($ret['photo']),
682 dbesc($ret['pubkey']),
683 dbesc($ret['notify']),
689 // find the contact record we just created
691 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
693 if(! $contact_record) {
694 logger('diaspora_request: unable to locate newly created contact record.');
698 $g = q("select def_gid from user where uid = %d limit 1",
699 intval($importer['uid'])
701 if($g && intval($g[0]['def_gid'])) {
702 require_once('include/group.php');
703 group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
706 if($importer['page-flags'] == PAGE_NORMAL) {
708 $hash = random_string() . (string) time(); // Generate a confirm_key
710 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
711 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
712 intval($importer['uid']),
713 intval($contact_record['id']),
716 dbesc( t('Sharing notification from Diaspora network')),
718 dbesc(datetime_convert())
723 // automatic friend approval
725 require_once('include/Photo.php');
727 $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
729 // technically they are sharing with us (CONTACT_IS_SHARING),
730 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
731 // we are going to change the relationship and make them a follower.
733 if($importer['page-flags'] == PAGE_FREELOVE)
734 $new_relation = CONTACT_IS_FRIEND;
736 $new_relation = CONTACT_IS_FOLLOWER;
738 $r = q("UPDATE `contact` SET
745 `avatar-date` = '%s',
754 intval($new_relation),
755 dbesc(datetime_convert()),
756 dbesc(datetime_convert()),
757 dbesc(datetime_convert()),
758 intval($contact_record['id'])
761 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
763 $ret = diaspora_share($u[0],$contact_record);
769 function diaspora_post_allow($importer,$contact, $is_comment = false) {
771 // perhaps we were already sharing with this person. Now they're sharing with us.
772 // That makes us friends.
773 // Normally this should have handled by getting a request - but this could get lost
774 if($contact['rel'] == CONTACT_IS_FOLLOWER && !in_array($importer['page-flags'], array(PAGE_COMMUNITY, PAGE_SOAPBOX))) {
775 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
776 intval(CONTACT_IS_FRIEND),
777 intval($contact['id']),
778 intval($importer['uid'])
780 $contact['rel'] = CONTACT_IS_FRIEND;
781 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
784 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
786 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
788 if($contact['rel'] == CONTACT_IS_FOLLOWER)
789 if(($importer['page-flags'] == PAGE_COMMUNITY) OR $is_comment)
792 // Messages for the global users are always accepted
793 if ($importer['uid'] == 0)
799 function diaspora_is_redmatrix($url) {
800 return(strstr($url, "/channel/"));
803 function diaspora_plink($addr, $guid) {
804 $r = q("SELECT `url`, `nick`, `network` FROM `fcontact` WHERE `addr`='%s' LIMIT 1", $addr);
808 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
810 // Friendica contacts are often detected as Diaspora contacts in the "fcontact" table
811 // So we try another way as well.
812 $s = q("SELECT `network` FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($r[0]["url"])));
814 $r[0]["network"] = $s[0]["network"];
816 if ($r[0]["network"] == NETWORK_DFRN)
817 return(str_replace("/profile/".$r[0]["nick"]."/", "/display/".$guid, $r[0]["url"]."/"));
819 if (diaspora_is_redmatrix($r[0]["url"]))
820 return $r[0]["url"]."/?f=&mid=".$guid;
822 return 'https://'.substr($addr,strpos($addr,'@')+1).'/posts/'.$guid;
825 function diaspora_post($importer,$xml,$msg) {
828 $guid = notags(unxmlify($xml->guid));
829 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
831 if($diaspora_handle != $msg['author']) {
832 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
836 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
838 logger('diaspora_post: A Contact for handle '.$diaspora_handle.' and user '.$importer['uid'].' was not found');
842 if(! diaspora_post_allow($importer,$contact, false)) {
843 logger('diaspora_post: Ignoring this author.');
847 $message_id = $diaspora_handle . ':' . $guid;
848 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
849 intval($importer['uid']),
853 logger('diaspora_post: message exists: ' . $guid);
857 $created = unxmlify($xml->created_at);
858 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
860 $body = diaspora2bb($xml->raw_message);
864 $datarray["object"] = json_encode($xml);
866 if($xml->photo->remote_photo_path AND $xml->photo->remote_photo_name)
867 $datarray["object-type"] = ACTIVITY_OBJ_PHOTO;
869 $datarray['object-type'] = ACTIVITY_OBJ_NOTE;
870 // Add OEmbed and other information to the body
871 if (!diaspora_is_redmatrix($contact['url']))
872 $body = add_page_info_to_body($body, false, true);
877 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
879 foreach($matches as $mtch) {
880 if(strlen($str_tags))
882 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
886 $plink = diaspora_plink($diaspora_handle, $guid);
888 $datarray['uid'] = $importer['uid'];
889 $datarray['contact-id'] = $contact['id'];
890 $datarray['wall'] = 0;
891 $datarray['network'] = NETWORK_DIASPORA;
892 $datarray['verb'] = ACTIVITY_POST;
893 $datarray['guid'] = $guid;
894 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
895 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
896 $datarray['private'] = $private;
897 $datarray['parent'] = 0;
898 $datarray['plink'] = $plink;
899 $datarray['owner-name'] = $contact['name'];
900 $datarray['owner-link'] = $contact['url'];
901 //$datarray['owner-avatar'] = $contact['thumb'];
902 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
903 $datarray['author-name'] = $contact['name'];
904 $datarray['author-link'] = $contact['url'];
905 $datarray['author-avatar'] = $contact['thumb'];
906 $datarray['body'] = $body;
907 $datarray['tag'] = $str_tags;
908 if ($xml->provider_display_name)
909 $datarray["app"] = unxmlify($xml->provider_display_name);
911 $datarray['app'] = 'Diaspora';
913 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
915 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
917 DiasporaFetchGuid($datarray);
918 $message_id = item_store($datarray);
920 logger("Stored item with message id ".$message_id, LOGGER_DEBUG);
926 function DiasporaFetchGuid($item) {
927 preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
928 function ($match) use ($item){
929 return(DiasporaFetchGuidSub($match, $item));
933 function DiasporaFetchGuidSub($match, $item) {
936 if (!diaspora_store_by_guid($match[1], $item["author-link"]))
937 diaspora_store_by_guid($match[1], $item["owner-link"]);
940 function diaspora_store_by_guid($guid, $server, $uid = 0) {
941 require_once("include/Contact.php");
943 $serverparts = parse_url($server);
944 $server = $serverparts["scheme"]."://".$serverparts["host"];
946 logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
948 $item = diaspora_fetch_message($guid, $server);
953 logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
955 $body = $item["body"];
956 $str_tags = $item["tag"];
958 $created = $item["created"];
959 $author = $item["author"];
960 $guid = $item["guid"];
961 $private = $item["private"];
962 $object = $item["object"];
963 $objecttype = $item["object-type"];
965 $message_id = $author.':'.$guid;
966 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
973 $person = find_diaspora_person_by_handle($author);
975 $contact_id = get_contact($person['url'], $uid);
977 $contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
978 $importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
980 if ($contacts AND $importers)
981 if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
982 logger('Ignoring author '.$person['url'].' for uid '.$uid);
985 logger('Author '.$person['url'].' is allowed for uid '.$uid);
988 $datarray['uid'] = $uid;
989 $datarray['contact-id'] = $contact_id;
990 $datarray['wall'] = 0;
991 $datarray['network'] = NETWORK_DIASPORA;
992 $datarray['guid'] = $guid;
993 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
994 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
995 $datarray['private'] = $private;
996 $datarray['parent'] = 0;
997 $datarray['plink'] = diaspora_plink($author, $guid);
998 $datarray['author-name'] = $person['name'];
999 $datarray['author-link'] = $person['url'];
1000 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1001 $datarray['owner-name'] = $datarray['author-name'];
1002 $datarray['owner-link'] = $datarray['author-link'];
1003 $datarray['owner-avatar'] = $datarray['author-avatar'];
1004 $datarray['body'] = $body;
1005 $datarray['tag'] = $str_tags;
1006 $datarray['app'] = $app;
1007 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1008 $datarray['object'] = $object;
1009 $datarray['object-type'] = $objecttype;
1011 if ($datarray['contact-id'] == 0)
1014 DiasporaFetchGuid($datarray);
1015 $message_id = item_store($datarray);
1018 // Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
1023 function diaspora_fetch_message($guid, $server, $level = 0) {
1030 // This will not work if the server is not a Diaspora server
1031 $source_url = $server.'/p/'.$guid.'.xml';
1032 $x = fetch_url($source_url);
1036 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
1037 $source_xml = parse_xml_string($x,false);
1040 $item["app"] = 'Diaspora';
1041 $item["guid"] = $guid;
1044 if ($source_xml->post->status_message->created_at)
1045 $item["created"] = unxmlify($source_xml->post->status_message->created_at);
1047 if ($source_xml->post->status_message->provider_display_name)
1048 $item["app"] = unxmlify($source_xml->post->status_message->provider_display_name);
1050 if ($source_xml->post->status_message->diaspora_handle)
1051 $item["author"] = unxmlify($source_xml->post->status_message->diaspora_handle);
1053 if ($source_xml->post->status_message->guid)
1054 $item["guid"] = unxmlify($source_xml->post->status_message->guid);
1056 $item["private"] = (unxmlify($source_xml->post->status_message->public) == 'false');
1057 $item["object"] = json_encode($source_xml->post);
1059 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
1060 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1061 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
1062 $body = scale_external_images($body,false);
1063 } elseif($source_xml->post->asphoto->image_url) {
1064 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1065 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
1066 $body = scale_external_images($body);
1067 } elseif($source_xml->post->status_message) {
1068 $body = diaspora2bb($source_xml->post->status_message->raw_message);
1070 // Checking for embedded pictures
1071 if($source_xml->post->status_message->photo->remote_photo_path AND
1072 $source_xml->post->status_message->photo->remote_photo_name) {
1074 $item["object-type"] = ACTIVITY_OBJ_PHOTO;
1076 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
1077 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
1079 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
1081 logger('embedded picture link found: '.$body, LOGGER_DEBUG);
1083 $item["object-type"] = ACTIVITY_OBJ_NOTE;
1085 $body = scale_external_images($body);
1087 // Add OEmbed and other information to the body
1088 // To-Do: It could be a repeated redmatrix item
1089 // Then we shouldn't add further data to it
1090 if ($item["object-type"] == ACTIVITY_OBJ_NOTE)
1091 $body = add_page_info_to_body($body, false, true);
1093 } elseif($source_xml->post->reshare) {
1094 // Reshare of a reshare
1095 return diaspora_fetch_message($source_xml->post->reshare->root_guid, $server, ++$level);
1097 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
1098 logger('no content found: '.print_r($source_xml,true));
1102 if (trim($body) == "")
1106 $item["body"] = $body;
1111 function diaspora_reshare($importer,$xml,$msg) {
1113 logger('diaspora_reshare: init: ' . print_r($xml,true));
1116 $guid = notags(unxmlify($xml->guid));
1117 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1120 if($diaspora_handle != $msg['author']) {
1121 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1125 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1129 if(! diaspora_post_allow($importer,$contact, false)) {
1130 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
1134 $message_id = $diaspora_handle . ':' . $guid;
1135 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1136 intval($importer['uid']),
1140 logger('diaspora_reshare: message exists: ' . $guid);
1144 $orig_author = notags(unxmlify($xml->root_diaspora_id));
1145 $orig_guid = notags(unxmlify($xml->root_guid));
1146 $orig_url = $a->get_baseurl()."/display/".$orig_guid;
1148 $create_original_post = false;
1150 // Do we already have this item?
1151 $r = q("SELECT `body`, `tag`, `app`, `created`, `plink`, `object`, `object-type`, `uri` FROM `item` WHERE `guid` = '%s' AND `visible` AND NOT `deleted` AND `body` != '' LIMIT 1",
1153 dbesc(NETWORK_DIASPORA)
1156 logger('reshared message '.$orig_guid." reshared by ".$guid.' already exists on system.');
1158 // Maybe it is already a reshared item?
1159 // Then refetch the content, since there can be many side effects with reshared posts from other networks or reshares from reshares
1160 require_once('include/api.php');
1161 if (api_share_as_retweet($r[0]))
1164 $body = $r[0]["body"];
1165 $str_tags = $r[0]["tag"];
1166 $app = $r[0]["app"];
1167 $orig_created = $r[0]["created"];
1168 $orig_plink = $r[0]["plink"];
1169 $orig_uri = $r[0]["uri"];
1170 $object = $r[0]["object"];
1171 $objecttype = $r[0]["object-type"];
1180 $server = 'https://'.substr($orig_author,strpos($orig_author,'@')+1);
1181 logger('1st try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1182 $item = diaspora_fetch_message($orig_guid, $server);
1185 $server = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1186 logger('2nd try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1187 $item = diaspora_fetch_message($orig_guid, $server);
1190 $server = 'http://'.substr($orig_author,strpos($orig_author,'@')+1);
1191 logger('3rd try: reshared message '.$orig_guid." reshared by ".$guid.' will be fetched from original server: '.$server);
1192 $item = diaspora_fetch_message($orig_guid, $server);
1195 $server = 'http://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1);
1196 logger('4th try: reshared message '.$orig_guid." reshared by ".$guid." will be fetched from sharer's server: ".$server);
1197 $item = diaspora_fetch_message($orig_guid, $server);
1201 $body = $item["body"];
1202 $str_tags = $item["tag"];
1203 $app = $item["app"];
1204 $orig_created = $item["created"];
1205 $orig_author = $item["author"];
1206 $orig_guid = $item["guid"];
1207 $orig_plink = diaspora_plink($orig_author, $orig_guid);
1208 $orig_uri = $orig_author.':'.$orig_guid;
1209 $create_original_post = ($body != "");
1210 $object = $item["object"];
1211 $objecttype = $item["object-type"];
1215 $plink = diaspora_plink($diaspora_handle, $guid);
1217 $person = find_diaspora_person_by_handle($orig_author);
1219 $created = unxmlify($xml->created_at);
1220 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1222 $datarray = array();
1224 $datarray['uid'] = $importer['uid'];
1225 $datarray['contact-id'] = $contact['id'];
1226 $datarray['wall'] = 0;
1227 $datarray['network'] = NETWORK_DIASPORA;
1228 $datarray['guid'] = $guid;
1229 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1230 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1231 $datarray['private'] = $private;
1232 $datarray['parent'] = 0;
1233 $datarray['plink'] = $plink;
1234 $datarray['owner-name'] = $contact['name'];
1235 $datarray['owner-link'] = $contact['url'];
1236 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1237 if (!intval(get_config('system','wall-to-wall_share'))) {
1238 $prefix = share_header($person['name'], $person['url'], ((x($person,'thumb')) ? $person['thumb'] : $person['photo']), $orig_guid, $orig_created, $orig_url);
1240 $datarray['author-name'] = $contact['name'];
1241 $datarray['author-link'] = $contact['url'];
1242 $datarray['author-avatar'] = $contact['thumb'];
1243 $datarray['body'] = $prefix.$body."[/share]";
1245 // Let reshared messages look like wall-to-wall posts
1246 $datarray['author-name'] = $person['name'];
1247 $datarray['author-link'] = $person['url'];
1248 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1249 $datarray['body'] = $body;
1252 $datarray["object"] = json_encode($xml);
1253 $datarray['object-type'] = $objecttype;
1255 $datarray['tag'] = $str_tags;
1256 $datarray['app'] = $app;
1258 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1259 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1261 // Store the original item of a reshare
1262 if ($create_original_post) {
1263 require_once("include/Contact.php");
1265 $datarray2 = $datarray;
1267 $datarray2['uid'] = 0;
1268 $datarray2['contact-id'] = get_contact($person['url'], 0);
1269 $datarray2['guid'] = $orig_guid;
1270 $datarray2['uri'] = $datarray2['parent-uri'] = $orig_uri;
1271 $datarray2['changed'] = $datarray2['created'] = $datarray2['edited'] = $datarray2['commented'] = $datarray2['received'] = datetime_convert('UTC','UTC',$orig_created);
1272 $datarray2['parent'] = 0;
1273 $datarray2['plink'] = $orig_plink;
1275 $datarray2['author-name'] = $person['name'];
1276 $datarray2['author-link'] = $person['url'];
1277 $datarray2['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1278 $datarray2['owner-name'] = $datarray2['author-name'];
1279 $datarray2['owner-link'] = $datarray2['author-link'];
1280 $datarray2['owner-avatar'] = $datarray2['author-avatar'];
1281 $datarray2['body'] = $body;
1282 $datarray2["object"] = $object;
1284 DiasporaFetchGuid($datarray2);
1285 $message_id = item_store($datarray2);
1287 logger("Store original item ".$orig_guid." under message id ".$message_id);
1290 DiasporaFetchGuid($datarray);
1291 $message_id = item_store($datarray);
1298 function diaspora_asphoto($importer,$xml,$msg) {
1299 logger('diaspora_asphoto called');
1302 $guid = notags(unxmlify($xml->guid));
1303 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1305 if($diaspora_handle != $msg['author']) {
1306 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1310 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1314 if(! diaspora_post_allow($importer,$contact, false)) {
1315 logger('diaspora_asphoto: Ignoring this author.');
1319 $message_id = $diaspora_handle . ':' . $guid;
1320 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1321 intval($importer['uid']),
1325 logger('diaspora_asphoto: message exists: ' . $guid);
1329 $created = unxmlify($xml->created_at);
1330 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1332 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1333 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1334 $body = scale_external_images($body,false);
1336 elseif($xml->image_url) {
1337 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1338 $body = scale_external_images($body);
1341 logger('diaspora_asphoto: no photo url found.');
1345 $plink = diaspora_plink($diaspora_handle, $guid);
1347 $datarray = array();
1349 $datarray['uid'] = $importer['uid'];
1350 $datarray['contact-id'] = $contact['id'];
1351 $datarray['wall'] = 0;
1352 $datarray['network'] = NETWORK_DIASPORA;
1353 $datarray['guid'] = $guid;
1354 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1355 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1356 $datarray['private'] = $private;
1357 $datarray['parent'] = 0;
1358 $datarray['plink'] = $plink;
1359 $datarray['owner-name'] = $contact['name'];
1360 $datarray['owner-link'] = $contact['url'];
1361 //$datarray['owner-avatar'] = $contact['thumb'];
1362 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1363 $datarray['author-name'] = $contact['name'];
1364 $datarray['author-link'] = $contact['url'];
1365 $datarray['author-avatar'] = $contact['thumb'];
1366 $datarray['body'] = $body;
1367 $datarray["object"] = json_encode($xml);
1368 $datarray['object-type'] = ACTIVITY_OBJ_PHOTO;
1370 $datarray['app'] = 'Diaspora/Cubbi.es';
1372 DiasporaFetchGuid($datarray);
1373 $message_id = item_store($datarray);
1376 // q("update item set plink = '%s' where id = %d",
1377 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1378 // intval($message_id)
1391 function diaspora_comment($importer,$xml,$msg) {
1394 $guid = notags(unxmlify($xml->guid));
1395 $parent_guid = notags(unxmlify($xml->parent_guid));
1396 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1397 $target_type = notags(unxmlify($xml->target_type));
1398 $text = unxmlify($xml->text);
1399 $author_signature = notags(unxmlify($xml->author_signature));
1401 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1403 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1405 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1409 if(! diaspora_post_allow($importer,$contact, true)) {
1410 logger('diaspora_comment: Ignoring this author.');
1414 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1415 intval($importer['uid']),
1419 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1423 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1424 intval($importer['uid']),
1429 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
1432 $person = find_diaspora_person_by_handle($diaspora_handle);
1433 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
1437 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
1439 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1440 intval($importer['uid']),
1447 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1450 $parent_item = $r[0];
1453 /* How Diaspora performs comment signature checking:
1455 - If an item has been sent by the comment author to the top-level post owner to relay on
1456 to the rest of the contacts on the top-level post, the top-level post owner should check
1457 the author_signature, then create a parent_author_signature before relaying the comment on
1458 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1459 check only the parent_author_signature. Basically, they trust that the top-level post
1460 owner has already verified the authenticity of anything he/she sends out
1461 - In either case, the signature that get checked is the signature created by the person
1465 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1468 if($parent_author_signature) {
1469 // If a parent_author_signature exists, then we've received the comment
1470 // relayed from the top-level post owner. There's no need to check the
1471 // author_signature if the parent_author_signature is valid
1473 $parent_author_signature = base64_decode($parent_author_signature);
1475 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1476 logger('diaspora_comment: top-level owner verification failed.');
1481 // If there's no parent_author_signature, then we've received the comment
1482 // from the comment creator. In that case, the person is commenting on
1483 // our post, so he/she must be a contact of ours and his/her public key
1484 // should be in $msg['key']
1486 $author_signature = base64_decode($author_signature);
1488 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1489 logger('diaspora_comment: comment author verification failed.');
1494 // Phew! Everything checks out. Now create an item.
1496 // Find the original comment author information.
1497 // We need this to make sure we display the comment author
1498 // information (name and avatar) correctly.
1499 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1502 $person = find_diaspora_person_by_handle($diaspora_handle);
1504 if(! is_array($person)) {
1505 logger('diaspora_comment: unable to find author details');
1510 $body = diaspora2bb($text);
1511 $message_id = $diaspora_handle . ':' . $guid;
1513 $datarray = array();
1515 $datarray['uid'] = $importer['uid'];
1516 $datarray['contact-id'] = $contact['id'];
1517 $datarray['type'] = 'remote-comment';
1518 $datarray['wall'] = $parent_item['wall'];
1519 $datarray['network'] = NETWORK_DIASPORA;
1520 $datarray['verb'] = ACTIVITY_POST;
1521 $datarray['gravity'] = GRAVITY_COMMENT;
1522 $datarray['guid'] = $guid;
1523 $datarray['uri'] = $message_id;
1524 $datarray['parent-uri'] = $parent_item['uri'];
1526 // No timestamps for comments? OK, we'll the use current time.
1527 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1528 $datarray['private'] = $parent_item['private'];
1530 $datarray['owner-name'] = $parent_item['owner-name'];
1531 $datarray['owner-link'] = $parent_item['owner-link'];
1532 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1534 $datarray['author-name'] = $person['name'];
1535 $datarray['author-link'] = $person['url'];
1536 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1537 $datarray['body'] = $body;
1538 $datarray["object"] = json_encode($xml);
1539 $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
1541 // We can't be certain what the original app is if the message is relayed.
1542 if(($parent_item['origin']) && (! $parent_author_signature))
1543 $datarray['app'] = 'Diaspora';
1545 DiasporaFetchGuid($datarray);
1546 $message_id = item_store($datarray);
1548 $datarray['id'] = $message_id;
1551 //q("update item set plink = '%s' where id = %d",
1552 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1553 // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
1554 // intval($message_id)
1558 if(($parent_item['origin']) && (! $parent_author_signature)) {
1559 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1560 intval($message_id),
1561 dbesc($signed_data),
1562 dbesc(base64_encode($author_signature)),
1563 dbesc($diaspora_handle)
1566 // if the message isn't already being relayed, notify others
1567 // the existence of parent_author_signature means the parent_author or owner
1568 // is already relaying.
1570 proc_run('php','include/notifier.php','comment-import',$message_id);
1573 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1574 dbesc($parent_item['uri']),
1575 intval($importer['uid'])
1578 if(count($myconv)) {
1579 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1581 foreach($myconv as $conv) {
1583 // now if we find a match, it means we're in this conversation
1585 if(! link_compare($conv['author-link'],$importer_url))
1588 require_once('include/enotify.php');
1590 $conv_parent = $conv['parent'];
1593 'type' => NOTIFY_COMMENT,
1594 'notify_flags' => $importer['notify-flags'],
1595 'language' => $importer['language'],
1596 'to_name' => $importer['username'],
1597 'to_email' => $importer['email'],
1598 'uid' => $importer['uid'],
1599 'item' => $datarray,
1600 'link' => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
1601 'source_name' => $datarray['author-name'],
1602 'source_link' => $datarray['author-link'],
1603 'source_photo' => $datarray['author-avatar'],
1604 'verb' => ACTIVITY_POST,
1606 'parent' => $conv_parent,
1607 'parent_uri' => $parent_uri
1610 // only send one notification
1620 function diaspora_conversation($importer,$xml,$msg) {
1624 $guid = notags(unxmlify($xml->guid));
1625 $subject = notags(unxmlify($xml->subject));
1626 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1627 $participant_handles = notags(unxmlify($xml->participant_handles));
1628 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1630 $parent_uri = $diaspora_handle . ':' . $guid;
1632 $messages = $xml->message;
1634 if(! count($messages)) {
1635 logger('diaspora_conversation: empty conversation');
1639 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1641 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1645 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1646 logger('diaspora_conversation: Ignoring this author.');
1650 $conversation = null;
1652 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1653 intval($importer['uid']),
1657 $conversation = $c[0];
1659 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1660 intval($importer['uid']),
1662 dbesc($diaspora_handle),
1663 dbesc(datetime_convert('UTC','UTC',$created_at)),
1664 dbesc(datetime_convert()),
1666 dbesc($participant_handles)
1669 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1670 intval($importer['uid']),
1674 $conversation = $c[0];
1676 if(! $conversation) {
1677 logger('diaspora_conversation: unable to create conversation.');
1681 foreach($messages as $mesg) {
1685 $msg_guid = notags(unxmlify($mesg->guid));
1686 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1687 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1688 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1689 $msg_text = unxmlify($mesg->text);
1690 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1691 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1692 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1693 if($msg_conversation_guid != $guid) {
1694 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1698 $body = diaspora2bb($msg_text);
1699 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1701 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1703 $author_signature = base64_decode($msg_author_signature);
1705 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1710 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1712 if(is_array($person) && x($person,'pubkey'))
1713 $key = $person['pubkey'];
1715 logger('diaspora_conversation: unable to find author details');
1720 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1721 logger('diaspora_conversation: verification failed.');
1725 if($msg_parent_author_signature) {
1726 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1728 $parent_author_signature = base64_decode($msg_parent_author_signature);
1732 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1733 logger('diaspora_conversation: owner verification failed.');
1738 $r = q("select id from mail where `uri` = '%s' limit 1",
1742 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1746 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1747 intval($importer['uid']),
1749 intval($conversation['id']),
1750 dbesc($person['name']),
1751 dbesc($person['photo']),
1752 dbesc($person['url']),
1753 intval($contact['id']),
1760 dbesc($msg_created_at)
1763 q("update conv set updated = '%s' where id = %d",
1764 dbesc(datetime_convert()),
1765 intval($conversation['id'])
1768 require_once('include/enotify.php');
1770 'type' => NOTIFY_MAIL,
1771 'notify_flags' => $importer['notify-flags'],
1772 'language' => $importer['language'],
1773 'to_name' => $importer['username'],
1774 'to_email' => $importer['email'],
1775 'uid' =>$importer['uid'],
1776 'item' => array('subject' => $subject, 'body' => $body),
1777 'source_name' => $person['name'],
1778 'source_link' => $person['url'],
1779 'source_photo' => $person['thumb'],
1780 'verb' => ACTIVITY_POST,
1788 function diaspora_message($importer,$xml,$msg) {
1792 $msg_guid = notags(unxmlify($xml->guid));
1793 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1794 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1795 $msg_author_signature = notags(unxmlify($xml->author_signature));
1796 $msg_text = unxmlify($xml->text);
1797 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1798 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1799 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1801 $parent_uri = $msg_diaspora_handle . ':' . $msg_parent_guid;
1803 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1805 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1809 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1810 logger('diaspora_message: Ignoring this author.');
1814 $conversation = null;
1816 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1817 intval($importer['uid']),
1818 dbesc($msg_conversation_guid)
1821 $conversation = $c[0];
1823 logger('diaspora_message: conversation not available.');
1829 $body = diaspora2bb($msg_text);
1830 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1832 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1835 $author_signature = base64_decode($msg_author_signature);
1837 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1838 if(is_array($person) && x($person,'pubkey'))
1839 $key = $person['pubkey'];
1841 logger('diaspora_message: unable to find author details');
1845 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1846 logger('diaspora_message: verification failed.');
1850 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1852 intval($importer['uid'])
1855 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1859 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')",
1860 intval($importer['uid']),
1862 intval($conversation['id']),
1863 dbesc($person['name']),
1864 dbesc($person['photo']),
1865 dbesc($person['url']),
1866 intval($contact['id']),
1867 dbesc($conversation['subject']),
1873 dbesc($msg_created_at)
1876 q("update conv set updated = '%s' where id = %d",
1877 dbesc(datetime_convert()),
1878 intval($conversation['id'])
1885 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1889 logger('diaspora_photo: init',LOGGER_DEBUG);
1891 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1893 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1895 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1897 $guid = notags(unxmlify($xml->guid));
1899 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1901 $public = notags(unxmlify($xml->public));
1903 $created_at = notags(unxmlify($xml_created_at));
1905 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1907 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1909 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1913 if(! diaspora_post_allow($importer,$contact, false)) {
1914 logger('diaspora_photo: Ignoring this author.');
1918 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1919 intval($importer['uid']),
1920 dbesc($status_message_guid)
1923 /* deactivated by now since it can lead to multiplicated pictures in posts.
1925 $result = diaspora_store_by_guid($status_message_guid, $contact['url'], $importer['uid']);
1928 $person = find_diaspora_person_by_handle($diaspora_handle);
1929 $result = diaspora_store_by_guid($status_message_guid, $person['url'], $importer['uid']);
1933 logger("Fetched missing item ".$status_message_guid." - result: ".$result, LOGGER_DEBUG);
1935 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1936 intval($importer['uid']),
1937 dbesc($status_message_guid)
1944 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1945 intval($importer['uid']),
1946 dbesc(serialize($msg)),
1947 intval($attempt + 1)
1951 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1955 $parent_item = $r[0];
1957 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1959 $link_text = scale_external_images($link_text, true,
1960 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1962 if(strpos($parent_item['body'],$link_text) === false) {
1963 $r = q("UPDATE `item` SET `body` = '%s', `visible` = 1 WHERE `id` = %d AND `uid` = %d",
1964 dbesc($link_text . $parent_item['body']),
1965 intval($parent_item['id']),
1966 intval($parent_item['uid'])
1968 update_thread($parent_item['id']);
1977 function diaspora_like($importer,$xml,$msg) {
1980 $guid = notags(unxmlify($xml->guid));
1981 $parent_guid = notags(unxmlify($xml->parent_guid));
1982 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1983 $target_type = notags(unxmlify($xml->target_type));
1984 $positive = notags(unxmlify($xml->positive));
1985 $author_signature = notags(unxmlify($xml->author_signature));
1987 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1989 // likes on comments not supported here and likes on photos not supported by Diaspora
1991 // if($target_type !== 'Post')
1994 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1996 logger('diaspora_like: cannot find contact: ' . $msg['author']);
2000 if(! diaspora_post_allow($importer,$contact, false)) {
2001 logger('diaspora_like: Ignoring this author.');
2005 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2006 intval($importer['uid']),
2011 $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
2014 $person = find_diaspora_person_by_handle($diaspora_handle);
2015 $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
2019 logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
2021 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2022 intval($importer['uid']),
2029 logger('diaspora_like: parent item not found: ' . $guid);
2033 $parent_item = $r[0];
2035 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
2036 intval($importer['uid']),
2040 if($positive === 'true') {
2041 logger('diaspora_like: duplicate like: ' . $guid);
2044 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2045 // It looks like "RelayableRetractions" are used for "unlike" instead
2046 if($positive === 'false') {
2047 logger('diaspora_like: received a like with positive set to "false"...ignoring');
2048 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
2049 intval($r[0]['id']),
2050 intval($importer['uid'])
2052 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
2053 // send notification via proc_run()
2057 // Note: I don't think "Like" objects with positive = "false" are ever actually used
2058 // It looks like "RelayableRetractions" are used for "unlike" instead
2059 if($positive === 'false') {
2060 logger('diaspora_like: received a like with positive set to "false"');
2061 logger('diaspora_like: unlike received with no corresponding like...ignoring');
2066 /* How Diaspora performs "like" signature checking:
2068 - If an item has been sent by the like author to the top-level post owner to relay on
2069 to the rest of the contacts on the top-level post, the top-level post owner should check
2070 the author_signature, then create a parent_author_signature before relaying the like on
2071 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2072 check only the parent_author_signature. Basically, they trust that the top-level post
2073 owner has already verified the authenticity of anything he/she sends out
2074 - In either case, the signature that get checked is the signature created by the person
2078 // Diaspora has changed the way they are signing the likes.
2079 // Just to make sure that we don't miss any likes we will check the old and the current way.
2080 $old_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
2082 $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $diaspora_handle;
2086 if ($parent_author_signature) {
2087 // If a parent_author_signature exists, then we've received the like
2088 // relayed from the top-level post owner. There's no need to check the
2089 // author_signature if the parent_author_signature is valid
2091 $parent_author_signature = base64_decode($parent_author_signature);
2093 if (!rsa_verify($signed_data,$parent_author_signature,$key,'sha256') AND
2094 !rsa_verify($old_signed_data,$parent_author_signature,$key,'sha256')) {
2096 logger('diaspora_like: top-level owner verification failed.');
2100 // If there's no parent_author_signature, then we've received the like
2101 // from the like creator. In that case, the person is "like"ing
2102 // our post, so he/she must be a contact of ours and his/her public key
2103 // should be in $msg['key']
2105 $author_signature = base64_decode($author_signature);
2107 if (!rsa_verify($signed_data,$author_signature,$key,'sha256') AND
2108 !rsa_verify($old_signed_data,$author_signature,$key,'sha256')) {
2110 logger('diaspora_like: like creator verification failed.');
2115 // Phew! Everything checks out. Now create an item.
2117 // Find the original comment author information.
2118 // We need this to make sure we display the comment author
2119 // information (name and avatar) correctly.
2120 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
2123 $person = find_diaspora_person_by_handle($diaspora_handle);
2125 if(! is_array($person)) {
2126 logger('diaspora_like: unable to find author details');
2131 $uri = $diaspora_handle . ':' . $guid;
2133 $activity = ACTIVITY_LIKE;
2134 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
2135 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
2136 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
2137 $body = $parent_item['body'];
2142 <type>$objtype</type>
2144 <id>{$parent_item['uri']}</id>
2147 <content>$body</content>
2150 $bodyverb = t('%1$s likes %2$s\'s %3$s');
2155 $arr['uid'] = $importer['uid'];
2156 $arr['guid'] = $guid;
2157 $arr['network'] = NETWORK_DIASPORA;
2158 $arr['contact-id'] = $contact['id'];
2159 $arr['type'] = 'activity';
2160 $arr['wall'] = $parent_item['wall'];
2161 $arr['gravity'] = GRAVITY_LIKE;
2162 $arr['parent'] = $parent_item['id'];
2163 $arr['parent-uri'] = $parent_item['uri'];
2165 $arr['owner-name'] = $parent_item['name'];
2166 $arr['owner-link'] = $parent_item['url'];
2167 //$arr['owner-avatar'] = $parent_item['thumb'];
2168 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
2170 $arr['author-name'] = $person['name'];
2171 $arr['author-link'] = $person['url'];
2172 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
2174 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
2175 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
2176 //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
2177 $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
2178 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
2180 $arr['app'] = 'Diaspora';
2182 $arr['private'] = $parent_item['private'];
2183 $arr['verb'] = $activity;
2184 $arr['object-type'] = $objtype;
2185 $arr['object'] = $obj;
2186 $arr['visible'] = 1;
2188 $arr['last-child'] = 0;
2190 $message_id = item_store($arr);
2194 // q("update item set plink = '%s' where id = %d",
2195 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
2196 // dbesc($a->get_baseurl().'/display/'.$guid),
2197 // intval($message_id)
2201 if(! $parent_author_signature) {
2202 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2203 intval($message_id),
2204 dbesc($signed_data),
2205 dbesc(base64_encode($author_signature)),
2206 dbesc($diaspora_handle)
2210 // if the message isn't already being relayed, notify others
2211 // the existence of parent_author_signature means the parent_author or owner
2212 // is already relaying. The parent_item['origin'] indicates the message was created on our system
2214 if(($parent_item['origin']) && (! $parent_author_signature))
2215 proc_run('php','include/notifier.php','comment-import',$message_id);
2220 function diaspora_retraction($importer,$xml) {
2223 $guid = notags(unxmlify($xml->guid));
2224 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2225 $type = notags(unxmlify($xml->type));
2227 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2231 if($type === 'Person') {
2232 require_once('include/Contact.php');
2233 contact_remove($contact['id']);
2235 elseif($type === 'Post') {
2236 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2238 intval($importer['uid'])
2241 if(link_compare($r[0]['author-link'],$contact['url'])) {
2242 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2243 dbesc(datetime_convert()),
2246 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2255 function diaspora_signed_retraction($importer,$xml,$msg) {
2258 $guid = notags(unxmlify($xml->target_guid));
2259 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2260 $type = notags(unxmlify($xml->target_type));
2261 $sig = notags(unxmlify($xml->target_author_signature));
2263 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2265 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2267 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2272 $signed_data = $guid . ';' . $type ;
2275 /* How Diaspora performs relayable_retraction signature checking:
2277 - If an item has been sent by the item author to the top-level post owner to relay on
2278 to the rest of the contacts on the top-level post, the top-level post owner checks
2279 the author_signature, then creates a parent_author_signature before relaying the item on
2280 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2281 check only the parent_author_signature. Basically, they trust that the top-level post
2282 owner has already verified the authenticity of anything he/she sends out
2283 - In either case, the signature that get checked is the signature created by the person
2287 if($parent_author_signature) {
2289 $parent_author_signature = base64_decode($parent_author_signature);
2291 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2292 logger('diaspora_signed_retraction: top-level post owner verification failed');
2299 $sig_decode = base64_decode($sig);
2301 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2302 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2307 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2308 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2310 intval($importer['uid'])
2313 if(link_compare($r[0]['author-link'],$contact['url'])) {
2314 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2315 dbesc(datetime_convert()),
2316 dbesc(datetime_convert()),
2319 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2321 // Now check if the retraction needs to be relayed by us
2323 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2324 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2325 // The only item with `parent` and `id` as the parent id is the parent item.
2326 $p = q("select origin from item where parent = %d and id = %d limit 1",
2331 if(($p[0]['origin']) && (! $parent_author_signature)) {
2332 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2334 dbesc($signed_data),
2336 dbesc($diaspora_handle)
2339 // the existence of parent_author_signature would have meant the parent_author or owner
2340 // is already relaying.
2341 logger('diaspora_signed_retraction: relaying relayable_retraction');
2343 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2350 logger('diaspora_signed_retraction: unknown type: ' . $type);
2356 function diaspora_profile($importer,$xml,$msg) {
2359 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2362 if($diaspora_handle != $msg['author']) {
2363 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2367 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2371 if($contact['blocked']) {
2372 logger('diaspora_post: Ignoring this author.');
2376 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2377 $image_url = unxmlify($xml->image_url);
2378 $birthday = unxmlify($xml->birthday);
2379 $location = diaspora2bb(unxmlify($xml->location));
2380 $about = diaspora2bb(unxmlify($xml->bio));
2381 $gender = unxmlify($xml->gender);
2382 $tags = unxmlify($xml->tag_string);
2384 $tags = explode("#", $tags);
2386 $keywords = array();
2387 foreach ($tags as $tag) {
2388 $tag = trim(strtolower($tag));
2393 $keywords = implode(", ", $keywords);
2395 $handle_parts = explode("@", $diaspora_handle);
2397 $name = $handle_parts[0];
2400 if( preg_match("|^https?://|", $image_url) === 0) {
2401 $image_url = "http://" . $handle_parts[1] . $image_url;
2404 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2405 intval($importer['uid']),
2406 intval($contact['id'])
2408 $oldphotos = ((count($r)) ? $r : null);*/
2410 require_once('include/Photo.php');
2412 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2414 // Generic birthday. We don't know the timezone. The year is irrelevant.
2416 $birthday = str_replace('1000','1901',$birthday);
2418 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2420 // this is to prevent multiple birthday notifications in a single year
2421 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2423 if(substr($birthday,5) === substr($contact['bd'],5))
2424 $birthday = $contact['bd'];
2426 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2427 // Not doing this currently because D* protocol is scheduled for revision soon.
2429 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s', `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s' WHERE `id` = %d AND `uid` = %d",
2431 dbesc(datetime_convert()),
2435 dbesc(datetime_convert()),
2441 intval($contact['id']),
2442 intval($importer['uid'])
2445 if (unxmlify($xml->searchable) == "true") {
2446 require_once('include/socgraph.php');
2447 poco_check($contact['url'], $name, NETWORK_DIASPORA, $images[0], $about, $location, $gender, $keywords, "",
2448 datetime_convert(), 2, $contact['id'], $importer['uid']);
2452 $author = q("SELECT * FROM `unique_contacts` WHERE `url`='%s' LIMIT 1",
2453 dbesc(normalise_link($contact['url'])));
2455 if (count($author) == 0) {
2456 q("INSERT INTO `unique_contacts` (`url`, `name`, `avatar`, `location`, `about`) VALUES ('%s', '%s', '%s', '%s', '%s')",
2457 dbesc(normalise_link($contact['url'])), dbesc($name), dbesc($location), dbesc($about), dbesc($images[0]));
2459 $author = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
2460 dbesc(normalise_link($contact['url'])));
2461 } else if (normalise_link($contact['url']).$name.$location.$about != normalise_link($author[0]["url"]).$author[0]["name"].$author[0]["location"].$author[0]["about"]) {
2462 q("UPDATE unique_contacts SET name = '%s', avatar = '%s', `location` = '%s', `about` = '%s' WHERE url = '%s'",
2463 dbesc($name), dbesc($images[0]), dbesc($location), dbesc($about), dbesc(normalise_link($contact['url'])));
2468 foreach($oldphotos as $ph) {
2469 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2470 intval($importer['uid']),
2471 intval($contact['id']),
2472 dbesc($ph['resource-id'])
2482 function diaspora_share($me,$contact) {
2484 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2485 $theiraddr = $contact['addr'];
2487 $tpl = get_markup_template('diaspora_share.tpl');
2488 $msg = replace_macros($tpl, array(
2489 '$sender' => $myaddr,
2490 '$recipient' => $theiraddr
2493 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2494 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2496 return(diaspora_transmit($owner,$contact,$slap, false));
2499 function diaspora_unshare($me,$contact) {
2502 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2504 $tpl = get_markup_template('diaspora_retract.tpl');
2505 $msg = replace_macros($tpl, array(
2506 '$guid' => $me['guid'],
2507 '$type' => 'Person',
2508 '$handle' => $myaddr
2511 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2512 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2514 return(diaspora_transmit($owner,$contact,$slap, false));
2519 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2522 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2523 $theiraddr = $contact['addr'];
2527 $title = $item['title'];
2528 $body = $item['body'];
2531 // We're trying to match Diaspora's split message/photo protocol but
2532 // all the photos are displayed on D* as links and not img's - even
2533 // though we're sending pretty much precisely what they send us when
2534 // doing the same operation.
2535 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2536 // which seems to get through intact.
2538 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2540 foreach($matches as $mtch) {
2542 $detail['str'] = $mtch[0];
2543 $detail['path'] = dirname($mtch[1]) . '/';
2544 $detail['file'] = basename($mtch[1]);
2545 $detail['guid'] = $item['guid'];
2546 $detail['handle'] = $myaddr;
2547 $images[] = $detail;
2548 $body = str_replace($detail['str'],$mtch[1],$body);
2553 //if(strlen($title))
2554 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2556 // convert to markdown
2557 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2558 //$body = bb2diaspora($body);
2562 $body = "## ".html_entity_decode($title)."\n\n".$body;
2564 if($item['attach']) {
2565 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2567 $body .= "\n" . t('Attachments:') . "\n";
2568 foreach($matches as $mtch) {
2569 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2575 $public = (($item['private']) ? 'false' : 'true');
2577 require_once('include/datetime.php');
2578 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2580 // Detect a share element and do a reshare
2581 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2582 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2583 $tpl = get_markup_template('diaspora_reshare.tpl');
2584 $msg = replace_macros($tpl, array(
2585 '$root_handle' => xmlify($ret['root_handle']),
2586 '$root_guid' => $ret['root_guid'],
2587 '$guid' => $item['guid'],
2588 '$handle' => xmlify($myaddr),
2589 '$public' => $public,
2590 '$created' => $created,
2591 '$provider' => $item["app"]
2594 $tpl = get_markup_template('diaspora_post.tpl');
2595 $msg = replace_macros($tpl, array(
2597 '$guid' => $item['guid'],
2598 '$handle' => xmlify($myaddr),
2599 '$public' => $public,
2600 '$created' => $created,
2601 '$provider' => $item["app"]
2605 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2607 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2608 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2610 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2612 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2614 if(count($images)) {
2615 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2618 return $return_code;
2621 function diaspora_is_reshare($body) {
2622 $body = trim($body);
2624 // Skip if it isn't a pure repeated messages
2625 // Does it start with a share?
2626 if (strpos($body, "[share") > 0)
2629 // Does it end with a share?
2630 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2633 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2634 // Skip if there is no shared message in there
2635 if ($body == $attributes)
2639 preg_match("/guid='(.*?)'/ism", $attributes, $matches);
2640 if ($matches[1] != "")
2641 $guid = $matches[1];
2643 preg_match('/guid="(.*?)"/ism', $attributes, $matches);
2644 if ($matches[1] != "")
2645 $guid = $matches[1];
2648 $r = q("SELECT `contact-id` FROM `item` WHERE `guid` = '%s' AND `network` IN ('%s', '%s') LIMIT 1",
2649 dbesc($guid), NETWORK_DFRN, NETWORK_DIASPORA);
2652 $ret["root_handle"] = diaspora_handle_from_contact($r[0]["contact-id"]);
2653 $ret["root_guid"] = $guid;
2659 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2660 if ($matches[1] != "")
2661 $profile = $matches[1];
2663 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2664 if ($matches[1] != "")
2665 $profile = $matches[1];
2669 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2670 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2674 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2675 if ($matches[1] != "")
2676 $link = $matches[1];
2678 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2679 if ($matches[1] != "")
2680 $link = $matches[1];
2682 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2683 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2689 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2691 if(! count($images))
2693 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2695 $tpl = get_markup_template('diaspora_photo.tpl');
2696 foreach($images as $image) {
2697 if(! stristr($image['path'],$mysite))
2699 $resource = str_replace('.jpg','',$image['file']);
2700 $resource = substr($resource,0,strpos($resource,'-'));
2702 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2704 intval($owner['uid'])
2708 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2709 $msg = replace_macros($tpl,array(
2710 '$path' => xmlify($image['path']),
2711 '$filename' => xmlify($image['file']),
2712 '$msg_guid' => xmlify($image['guid']),
2713 '$guid' => xmlify($r[0]['guid']),
2714 '$handle' => xmlify($image['handle']),
2715 '$public' => xmlify($public),
2716 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2720 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2721 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2722 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2724 diaspora_transmit($owner,$contact,$slap,$public_batch);
2729 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2732 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2733 // $theiraddr = $contact['addr'];
2735 // Diaspora doesn't support threaded comments, but some
2736 // versions of Diaspora (i.e. Diaspora-pistos) support
2737 // likes on comments
2738 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2739 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2740 dbesc($item['thr-parent'])
2744 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2745 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2746 // The only item with `parent` and `id` as the parent id is the parent item.
2747 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2748 intval($item['parent']),
2749 intval($item['parent'])
2757 if($item['verb'] === ACTIVITY_LIKE) {
2758 $tpl = get_markup_template('diaspora_like.tpl');
2760 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2761 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2762 // $positive = (($item['deleted']) ? 'false' : 'true');
2765 if(($item['deleted']))
2766 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2769 $tpl = get_markup_template('diaspora_comment.tpl');
2773 $text = html_entity_decode(bb2diaspora($item['body']));
2778 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2780 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2782 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2784 $msg = replace_macros($tpl,array(
2785 '$guid' => xmlify($item['guid']),
2786 '$parent_guid' => xmlify($parent['guid']),
2787 '$target_type' =>xmlify($target_type),
2788 '$authorsig' => xmlify($authorsig),
2789 '$body' => xmlify($text),
2790 '$positive' => xmlify($positive),
2791 '$handle' => xmlify($myaddr)
2794 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2796 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2797 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2799 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2803 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2807 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2808 // $theiraddr = $contact['addr'];
2810 $body = $item['body'];
2811 $text = html_entity_decode(bb2diaspora($body));
2813 // Diaspora doesn't support threaded comments, but some
2814 // versions of Diaspora (i.e. Diaspora-pistos) support
2815 // likes on comments
2816 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2817 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2818 dbesc($item['thr-parent'])
2822 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2823 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2824 // The only item with `parent` and `id` as the parent id is the parent item.
2825 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2826 intval($item['parent']),
2827 intval($item['parent'])
2836 $relay_retract = false;
2837 $sql_sign_id = 'iid';
2838 if( $item['deleted']) {
2839 $relay_retract = true;
2841 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2843 $sql_sign_id = 'retract_iid';
2844 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2846 elseif($item['verb'] === ACTIVITY_LIKE) {
2849 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2850 // $positive = (($item['deleted']) ? 'false' : 'true');
2853 $tpl = get_markup_template('diaspora_like_relay.tpl');
2855 else { // item is a comment
2856 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2860 // fetch the original signature if the relayable was created by a Diaspora
2861 // or DFRN user. Relayables for other networks are not supported.
2863 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2868 $signed_text = $orig_sign['signed_text'];
2869 $authorsig = $orig_sign['signature'];
2870 $handle = $orig_sign['signer'];
2874 // Author signature information (for likes, comments, and retractions of likes or comments,
2875 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2876 // function is called
2877 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2881 /* Since the author signature is only checked by the parent, not by the relay recipients,
2882 * I think it may not be necessary for us to do so much work to preserve all the original
2883 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2884 * Let's just generate that and forget about all the original author signature stuff.
2886 * Note: this might be more of an problem if we want to support likes on comments for older
2887 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2888 * doing that, let's ignore it for now.
2890 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2894 $handle = diaspora_handle_from_contact($item['contact-id']);
2900 $sender_signed_text = $item['guid'] . ';' . $target_type;
2902 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2904 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2906 // Sign the relayable with the top-level owner's signature
2908 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2909 // stored in the database, because that provides the best chance that Diaspora will
2910 // be able to reconstruct the signed text the same way we did. This is particularly a
2911 // concern for the comment, whose signed text includes the text of the comment. The
2912 // smallest change in the text of the comment, including removing whitespace, will
2913 // make the signature verification fail. Since we translate from BB code to Diaspora's
2914 // markup at the top of this function, which is AFTER we placed the original $signed_text
2915 // in the database, it's hazardous to trust the original $signed_text.
2917 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2919 $msg = replace_macros($tpl,array(
2920 '$guid' => xmlify($item['guid']),
2921 '$parent_guid' => xmlify($parent['guid']),
2922 '$target_type' =>xmlify($target_type),
2923 '$authorsig' => xmlify($authorsig),
2924 '$parentsig' => xmlify($parentauthorsig),
2925 '$body' => xmlify($text),
2926 '$positive' => xmlify($positive),
2927 '$handle' => xmlify($handle)
2930 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2933 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2934 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2936 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2942 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2945 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2947 // Check whether the retraction is for a top-level post or whether it's a relayable
2948 if( $item['uri'] !== $item['parent-uri'] ) {
2950 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2951 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2955 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2956 $target_type = 'StatusMessage';
2959 $signed_text = $item['guid'] . ';' . $target_type;
2961 $msg = replace_macros($tpl, array(
2962 '$guid' => xmlify($item['guid']),
2963 '$type' => xmlify($target_type),
2964 '$handle' => xmlify($myaddr),
2965 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2968 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2969 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2971 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2974 function diaspora_send_mail($item,$owner,$contact) {
2977 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2979 $r = q("select * from conv where id = %d and uid = %d limit 1",
2980 intval($item['convid']),
2981 intval($item['uid'])
2985 logger('diaspora_send_mail: conversation not found.');
2991 'guid' => xmlify($cnv['guid']),
2992 'subject' => xmlify($cnv['subject']),
2993 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2994 'diaspora_handle' => xmlify($cnv['creator']),
2995 'participant_handles' => xmlify($cnv['recips'])
2998 $body = bb2diaspora($item['body']);
2999 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
3001 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
3002 . $created . ';' . $myaddr . ';' . $cnv['guid'];
3004 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
3007 'guid' => xmlify($item['guid']),
3008 'parent_guid' => xmlify($cnv['guid']),
3009 'parent_author_signature' => xmlify($sig),
3010 'author_signature' => xmlify($sig),
3011 'text' => xmlify($body),
3012 'created_at' => xmlify($created),
3013 'diaspora_handle' => xmlify($myaddr),
3014 'conversation_guid' => xmlify($cnv['guid'])
3017 if($item['reply']) {
3018 $tpl = get_markup_template('diaspora_message.tpl');
3019 $xmsg = replace_macros($tpl, array('$msg' => $msg));
3022 $conv['messages'] = array($msg);
3023 $tpl = get_markup_template('diaspora_conversation.tpl');
3024 $xmsg = replace_macros($tpl, array('$conv' => $conv));
3027 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
3029 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
3030 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
3032 return(diaspora_transmit($owner,$contact,$slap,false));
3037 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
3039 $enabled = intval(get_config('system','diaspora_enabled'));
3045 $logid = random_string(4);
3046 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
3048 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
3052 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
3054 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
3058 if (!intval(get_config('system','diaspora_test'))) {
3059 post_url($dest_url . '/', $slap);
3060 $return_code = $a->get_curl_code();
3062 logger('diaspora_transmit: test_mode');
3067 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
3069 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
3070 logger('diaspora_transmit: queue message');
3072 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
3073 intval($contact['id']),
3074 dbesc(NETWORK_DIASPORA),
3076 intval($public_batch)
3079 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
3082 // queue message for redelivery
3083 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
3088 return(($return_code) ? $return_code : (-1));
3091 function diaspora_fetch_relay() {
3093 $serverdata = get_config("system", "relay_server");
3094 if ($serverdata == "")
3099 $servers = explode(",", $serverdata);
3101 foreach($servers AS $server) {
3102 $server = trim($server);
3103 $batch = $server."/receive/public";
3105 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3108 $addr = "relay@".str_replace("http://", "", normalise_link($server));
3110 $r = q("INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
3111 VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
3116 dbesc(normalise_link($server)),
3118 dbesc(NETWORK_DIASPORA),
3119 intval(CONTACT_IS_FOLLOWER),
3120 dbesc(datetime_convert()),
3121 dbesc(datetime_convert()),
3122 dbesc(datetime_convert())
3125 $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
3127 $relay[] = $relais[0];
3129 $relay[] = $relais[0];