3 require_once('include/crypto.php');
4 require_once('include/items.php');
5 require_once('include/bb2diaspora.php');
6 require_once('include/contact_selectors.php');
7 require_once('include/queue_fn.php');
8 require_once('include/lock.php');
10 function diaspora_dispatch_public($msg) {
12 $enabled = intval(get_config('system','diaspora_enabled'));
14 logger('mod-diaspora: disabled');
18 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
19 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
20 AND `account_expired` = 0 AND `account_removed` = 0 ",
21 dbesc(NETWORK_DIASPORA),
26 logger('diaspora_public: delivering to: ' . $rr['username']);
27 diaspora_dispatch($rr,$msg);
31 logger('diaspora_public: no subscribers');
36 function diaspora_dispatch($importer,$msg,$attempt=1) {
40 $enabled = intval(get_config('system','diaspora_enabled'));
42 logger('mod-diaspora: disabled');
46 // php doesn't like dashes in variable names
48 $msg['message'] = str_replace(
49 array('<activity_streams-photo>','</activity_streams-photo>'),
50 array('<asphoto>','</asphoto>'),
54 $parsed_xml = parse_xml_string($msg['message'],false);
56 $xmlbase = $parsed_xml->post;
58 logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
61 if($xmlbase->request) {
62 $ret = diaspora_request($importer,$xmlbase->request);
64 elseif($xmlbase->status_message) {
65 $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
67 elseif($xmlbase->profile) {
68 $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
70 elseif($xmlbase->comment) {
71 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
73 elseif($xmlbase->like) {
74 $ret = diaspora_like($importer,$xmlbase->like,$msg);
76 elseif($xmlbase->asphoto) {
77 $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
79 elseif($xmlbase->reshare) {
80 $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
82 elseif($xmlbase->retraction) {
83 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
85 elseif($xmlbase->signed_retraction) {
86 $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
88 elseif($xmlbase->relayable_retraction) {
89 $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
91 elseif($xmlbase->photo) {
92 $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
94 elseif($xmlbase->conversation) {
95 $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
97 elseif($xmlbase->message) {
98 $ret = diaspora_message($importer,$xmlbase->message,$msg);
101 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
106 function diaspora_handle_from_contact($contact_id) {
109 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
111 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
117 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
119 if($contact['network'] === NETWORK_DIASPORA) {
120 $handle = $contact['addr'];
122 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
124 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
125 $baseurl_start = strpos($contact['url'],'://') + 3;
126 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
127 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
128 $handle = $contact['nick'] . '@' . $baseurl;
130 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
137 function diaspora_get_contact_by_handle($uid,$handle) {
138 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
139 dbesc(NETWORK_DIASPORA),
146 $handle_parts = explode("@", $handle);
147 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
148 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
159 function find_diaspora_person_by_handle($handle) {
169 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
170 dbesc(NETWORK_DIASPORA),
175 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
177 // update record occasionally so it doesn't get stale
178 $d = strtotime($person['updated'] . ' +00:00');
179 if($d < strtotime('now - 14 days'))
184 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
186 // If the person isn't in our 'fcontact' table, or if he/she is but
187 // his/her information hasn't been updated for more than 14 days, then
188 // we want to fetch the person's information from the remote server.
190 // Note that $person isn't changed by this block of code unless the
191 // person's information has been successfully fetched from the remote
192 // server. So if $person was 'false' to begin with (because he/she wasn't
193 // in the local cache), it'll stay false, and if $person held the local
194 // cache information to begin with, it'll keep that information. That way
195 // if there's a problem with the remote fetch, we can at least use our
196 // cached information--it's better than nothing.
198 if((! $person) || ($update)) {
199 // Lock the function to prevent race conditions if multiple items
200 // come in at the same time from a person who doesn't exist in
203 // Don't loop forever. On the last loop, try to create the contact
204 // whether the function is locked or not. Maybe the locking thread
205 // has died or something. At any rate, a duplicate in 'fcontact'
206 // is a much smaller problem than a deadlocked thread
207 $got_lock = lock_function('find_diaspora_person_by_handle', false);
208 if(($endlessloop + 1) >= $maxloops)
212 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
213 require_once('include/Scrape.php');
214 $r = probe_url($handle, PROBE_DIASPORA);
216 // Note that Friendica contacts can return a "Diaspora person"
217 // if Diaspora connectivity is enabled on their server
218 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
219 add_fcontact($r,$update);
223 unlock_function('find_diaspora_person_by_handle');
226 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
228 block_on_function_lock('find_diaspora_person_by_handle');
231 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
232 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
233 // The fact that the function was locked may mean that another process was creating the
234 // person's record. It could also mean another process was creating or updating an unrelated
237 // At any rate, we need to keep trying until we've either got the person or had a chance to
238 // try to fetch his/her remote information. But we don't want to block on locking the
239 // function, because if the other process is creating the record, then when we acquire the lock
240 // we'll dive right into creating another, duplicate record. We DO want to at least wait
241 // until the lock is released, so we don't flood the database with requests.
243 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
244 // we do have some information for the person
250 function get_diaspora_key($uri) {
251 logger('Fetching diaspora key for: ' . $uri);
253 $r = find_diaspora_person_by_handle($uri);
260 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
263 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
266 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
268 // $b64_data = base64_encode($msg);
269 // $b64url_data = base64url_encode($b64_data);
271 $b64url_data = base64url_encode($msg);
273 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
275 $type = 'application/xml';
276 $encoding = 'base64url';
279 $signable_data = $data . '.' . base64url_encode($type) . '.'
280 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
282 $signature = rsa_sign($signable_data,$prvkey);
283 $sig = base64url_encode($signature);
286 <?xml version='1.0' encoding='UTF-8'?>
287 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
289 <author_id>$handle</author_id>
292 <me:encoding>base64url</me:encoding>
293 <me:alg>RSA-SHA256</me:alg>
294 <me:data type="application/xml">$data</me:data>
295 <me:sig>$sig</me:sig>
300 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
308 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
312 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
314 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
316 // without a public key nothing will work
319 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
323 $inner_aes_key = random_string(32);
324 $b_inner_aes_key = base64_encode($inner_aes_key);
325 $inner_iv = random_string(16);
326 $b_inner_iv = base64_encode($inner_iv);
328 $outer_aes_key = random_string(32);
329 $b_outer_aes_key = base64_encode($outer_aes_key);
330 $outer_iv = random_string(16);
331 $b_outer_iv = base64_encode($outer_iv);
333 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
335 $padded_data = pkcs5_pad($msg,16);
336 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
338 $b64_data = base64_encode($inner_encrypted);
341 $b64url_data = base64url_encode($b64_data);
342 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
344 $type = 'application/xml';
345 $encoding = 'base64url';
348 $signable_data = $data . '.' . base64url_encode($type) . '.'
349 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
351 $signature = rsa_sign($signable_data,$prvkey);
352 $sig = base64url_encode($signature);
354 $decrypted_header = <<< EOT
357 <aes_key>$b_inner_aes_key</aes_key>
358 <author_id>$handle</author_id>
362 $decrypted_header = pkcs5_pad($decrypted_header,16);
364 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
366 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
368 $encrypted_outer_key_bundle = '';
369 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
371 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
373 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
375 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
376 'ciphertext' => base64_encode($ciphertext)));
377 $cipher_json = base64_encode($encrypted_header_json_object);
379 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
382 <?xml version='1.0' encoding='UTF-8'?>
383 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
386 <me:encoding>base64url</me:encoding>
387 <me:alg>RSA-SHA256</me:alg>
388 <me:data type="application/xml">$data</me:data>
389 <me:sig>$sig</me:sig>
394 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
401 * diaspora_decode($importer,$xml)
402 * array $importer -> from user table
403 * string $xml -> urldecoded Diaspora salmon
406 * 'message' -> decoded Diaspora XML message
407 * 'author' -> author diaspora handle
408 * 'key' -> author public key (converted to pkcs#8)
410 * Author and key are used elsewhere to save a lookup for verifying replies and likes
414 function diaspora_decode($importer,$xml) {
417 $basedom = parse_xml_string($xml);
419 $children = $basedom->children('https://joindiaspora.com/protocol');
421 if($children->header) {
423 $author_link = str_replace('acct:','',$children->header->author_id);
427 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
429 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
430 $ciphertext = base64_decode($encrypted_header->ciphertext);
432 $outer_key_bundle = '';
433 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
435 $j_outer_key_bundle = json_decode($outer_key_bundle);
437 $outer_iv = base64_decode($j_outer_key_bundle->iv);
438 $outer_key = base64_decode($j_outer_key_bundle->key);
440 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
443 $decrypted = pkcs5_unpad($decrypted);
446 * $decrypted now contains something like
449 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
450 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
455 * <name>Ryan Hughes</name>
456 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
461 * <author_id>galaxor@diaspora.priateship.org</author_id>
465 * </decrypted_header>
468 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
469 $idom = parse_xml_string($decrypted,false);
471 $inner_iv = base64_decode($idom->iv);
472 $inner_aes_key = base64_decode($idom->aes_key);
474 $author_link = str_replace('acct:','',$idom->author_id);
478 $dom = $basedom->children(NAMESPACE_SALMON_ME);
480 // figure out where in the DOM tree our data is hiding
482 if($dom->provenance->data)
483 $base = $dom->provenance;
484 elseif($dom->env->data)
490 logger('mod-diaspora: unable to locate salmon data in xml ');
491 http_status_exit(400);
495 // Stash the signature away for now. We have to find their key or it won't be good for anything.
496 $signature = base64url_decode($base->sig);
500 // strip whitespace so our data element will return to one big base64 blob
501 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
504 // stash away some other stuff for later
506 $type = $base->data[0]->attributes()->type[0];
507 $keyhash = $base->sig[0]->attributes()->keyhash[0];
508 $encoding = $base->encoding;
512 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
516 $data = base64url_decode($data);
520 $inner_decrypted = $data;
524 // Decode the encrypted blob
526 $inner_encrypted = base64_decode($data);
527 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
528 $inner_decrypted = pkcs5_unpad($inner_decrypted);
532 logger('mod-diaspora: Could not retrieve author URI.');
533 http_status_exit(400);
536 // Once we have the author URI, go to the web and try to find their public key
537 // (first this will look it up locally if it is in the fcontact cache)
538 // This will also convert diaspora public key from pkcs#1 to pkcs#8
540 logger('mod-diaspora: Fetching key for ' . $author_link );
541 $key = get_diaspora_key($author_link);
544 logger('mod-diaspora: Could not retrieve author key.');
545 http_status_exit(400);
548 $verify = rsa_verify($signed_data,$signature,$key);
551 logger('mod-diaspora: Message did not verify. Discarding.');
552 http_status_exit(400);
555 logger('mod-diaspora: Message verified.');
557 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
562 function diaspora_request($importer,$xml) {
566 $sender_handle = unxmlify($xml->sender_handle);
567 $recipient_handle = unxmlify($xml->recipient_handle);
569 if(! $sender_handle || ! $recipient_handle)
572 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
576 // perhaps we were already sharing with this person. Now they're sharing with us.
577 // That makes us friends.
579 if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
580 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
581 intval(CONTACT_IS_FRIEND),
582 intval($contact['id']),
583 intval($importer['uid'])
588 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
589 intval($importer['uid'])
592 if((count($r)) && (! $r[0]['hide-friends']) && (! $contact['hidden'])) {
593 require_once('include/items.php');
595 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
596 intval($importer['uid'])
599 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
601 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
604 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
605 $arr['uid'] = $importer['uid'];
606 $arr['contact-id'] = $self[0]['id'];
608 $arr['type'] = 'wall';
611 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
612 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
613 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
614 $arr['verb'] = ACTIVITY_FRIEND;
615 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
617 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
618 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
619 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
620 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
622 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
623 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
624 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
625 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
626 $arr['object'] .= '</link></object>' . "\n";
627 $arr['last-child'] = 1;
629 $arr['allow_cid'] = $user[0]['allow_cid'];
630 $arr['allow_gid'] = $user[0]['allow_gid'];
631 $arr['deny_cid'] = $user[0]['deny_cid'];
632 $arr['deny_gid'] = $user[0]['deny_gid'];
634 $i = item_store($arr);
636 proc_run('php',"include/notifier.php","activity","$i");
645 $ret = find_diaspora_person_by_handle($sender_handle);
648 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
649 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
653 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
657 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
658 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
659 intval($importer['uid']),
660 dbesc($ret['network']),
664 dbesc(normalise_link($ret['url'])),
668 dbesc($ret['photo']),
669 dbesc($ret['pubkey']),
670 dbesc($ret['notify']),
676 // find the contact record we just created
678 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
680 if(! $contact_record) {
681 logger('diaspora_request: unable to locate newly created contact record.');
685 $g = q("select def_gid from user where uid = %d limit 1",
686 intval($importer['uid'])
688 if($g && intval($g[0]['def_gid'])) {
689 require_once('include/group.php');
690 group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
693 if($importer['page-flags'] == PAGE_NORMAL) {
695 $hash = random_string() . (string) time(); // Generate a confirm_key
697 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
698 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
699 intval($importer['uid']),
700 intval($contact_record['id']),
703 dbesc( t('Sharing notification from Diaspora network')),
705 dbesc(datetime_convert())
710 // automatic friend approval
712 require_once('include/Photo.php');
714 $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
716 // technically they are sharing with us (CONTACT_IS_SHARING),
717 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
718 // we are going to change the relationship and make them a follower.
720 if($importer['page-flags'] == PAGE_FREELOVE)
721 $new_relation = CONTACT_IS_FRIEND;
723 $new_relation = CONTACT_IS_FOLLOWER;
725 $r = q("UPDATE `contact` SET
732 `avatar-date` = '%s',
740 intval($new_relation),
741 dbesc(datetime_convert()),
742 dbesc(datetime_convert()),
743 dbesc(datetime_convert()),
744 intval($contact_record['id'])
747 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
749 $ret = diaspora_share($u[0],$contact_record);
755 function diaspora_post_allow($importer,$contact) {
757 // perhaps we were already sharing with this person. Now they're sharing with us.
758 // That makes us friends.
759 // Normally this should have handled by getting a request - but this could get lost
760 if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
761 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d",
762 intval(CONTACT_IS_FRIEND),
763 intval($contact['id']),
764 intval($importer['uid'])
766 $contact['rel'] = CONTACT_IS_FRIEND;
767 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
770 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
772 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
774 if($contact['rel'] == CONTACT_IS_FOLLOWER)
775 if($importer['page-flags'] == PAGE_COMMUNITY)
781 function diaspora_post($importer,$xml,$msg) {
784 $guid = notags(unxmlify($xml->guid));
785 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
787 if($diaspora_handle != $msg['author']) {
788 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
792 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
796 if(! diaspora_post_allow($importer,$contact)) {
797 logger('diaspora_post: Ignoring this author.');
801 $message_id = $diaspora_handle . ':' . $guid;
802 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
803 intval($importer['uid']),
808 logger('diaspora_post: message exists: ' . $guid);
812 // allocate a guid on our system - we aren't fixing any collisions.
813 // we're ignoring them
815 $g = q("select * from guid where guid = '%s' limit 1",
819 q("insert into guid ( guid ) values ( '%s' )",
824 $created = unxmlify($xml->created_at);
825 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
827 $body = diaspora2bb($xml->raw_message);
829 // Add OEmbed and other information to the body
830 $body = add_page_info_to_body($body, false, true);
836 $tags = get_tags($body);
839 foreach($tags as $tag) {
840 if(strpos($tag,'#') === 0) {
841 if(strpos($tag,'[url='))
844 // don't link tags that are already embedded in links
846 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
848 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
851 $basetag = str_replace('_',' ',substr($tag,1));
852 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
853 if(strlen($str_tags))
855 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
861 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
863 foreach($matches as $mtch) {
864 if(strlen($str_tags))
866 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
870 $plink = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1).'/posts/'.$guid;
872 $datarray['uid'] = $importer['uid'];
873 $datarray['contact-id'] = $contact['id'];
874 $datarray['wall'] = 0;
875 $datarray['network'] = NETWORK_DIASPORA;
876 $datarray['verb'] = ACTIVITY_POST;
877 $datarray['guid'] = $guid;
878 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
879 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
880 $datarray['private'] = $private;
881 $datarray['parent'] = 0;
882 $datarray['plink'] = $plink;
883 $datarray['owner-name'] = $contact['name'];
884 $datarray['owner-link'] = $contact['url'];
885 //$datarray['owner-avatar'] = $contact['thumb'];
886 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
887 $datarray['author-name'] = $contact['name'];
888 $datarray['author-link'] = $contact['url'];
889 $datarray['author-avatar'] = $contact['thumb'];
890 $datarray['body'] = $body;
891 $datarray['tag'] = $str_tags;
892 $datarray['app'] = 'Diaspora';
894 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
896 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
898 $message_id = item_store($datarray);
901 // q("update item set plink = '%s' where id = %d",
902 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
903 // intval($message_id)
911 function diaspora_reshare($importer,$xml,$msg) {
913 logger('diaspora_reshare: init: ' . print_r($xml,true));
916 $guid = notags(unxmlify($xml->guid));
917 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
920 if($diaspora_handle != $msg['author']) {
921 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
925 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
929 if(! diaspora_post_allow($importer,$contact)) {
930 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
934 $message_id = $diaspora_handle . ':' . $guid;
935 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
936 intval($importer['uid']),
941 logger('diaspora_reshare: message exists: ' . $guid);
945 $orig_author = notags(unxmlify($xml->root_diaspora_id));
946 $orig_guid = notags(unxmlify($xml->root_guid));
948 $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml';
949 $orig_url = 'https://'.substr($orig_author,strpos($orig_author,'@')+1).'/posts/'.$orig_guid;
950 $x = fetch_url($source_url);
952 $x = fetch_url(str_replace('https://','http://',$source_url));
954 logger('diaspora_reshare: unable to fetch source url ' . $source_url);
957 logger('diaspora_reshare: source: ' . $x);
959 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
960 $source_xml = parse_xml_string($x,false);
962 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
963 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
964 $body = scale_external_images($body,false);
966 elseif($source_xml->post->asphoto->image_url) {
967 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
968 $body = scale_external_images($body);
970 elseif($source_xml->post->status_message) {
971 $body = diaspora2bb($source_xml->post->status_message->raw_message);
973 // Checking for embedded pictures
974 if($source_xml->post->status_message->photo->remote_photo_path AND
975 $source_xml->post->status_message->photo->remote_photo_name) {
977 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
978 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
980 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
982 logger('diaspora_reshare: embedded picture link found: '.$body, LOGGER_DEBUG);
985 $body = scale_external_images($body);
987 // Add OEmbed and other information to the body
988 $body = add_page_info_to_body($body, false, true);
991 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
992 logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true));
998 // logger('diaspora_reshare: empty body: source= ' . $x);
1002 $person = find_diaspora_person_by_handle($orig_author);
1004 /*if(is_array($person) && x($person,'name') && x($person,'url'))
1005 $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]';
1007 $details = $orig_author;
1009 $prefix = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $details . "\n";*/
1012 // allocate a guid on our system - we aren't fixing any collisions.
1013 // we're ignoring them
1015 $g = q("select * from guid where guid = '%s' limit 1",
1019 q("insert into guid ( guid ) values ( '%s' )",
1024 $created = unxmlify($xml->created_at);
1025 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1027 $datarray = array();
1031 $tags = get_tags($body);
1034 foreach($tags as $tag) {
1035 if(strpos($tag,'#') === 0) {
1036 if(strpos($tag,'[url='))
1039 // don't link tags that are already embedded in links
1041 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1043 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1047 $basetag = str_replace('_',' ',substr($tag,1));
1048 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1049 if(strlen($str_tags))
1051 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1057 $plink = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1).'/posts/'.$guid;
1059 $datarray['uid'] = $importer['uid'];
1060 $datarray['contact-id'] = $contact['id'];
1061 $datarray['wall'] = 0;
1062 $datarray['network'] = NETWORK_DIASPORA;
1063 $datarray['guid'] = $guid;
1064 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1065 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1066 $datarray['private'] = $private;
1067 $datarray['parent'] = 0;
1068 $datarray['plink'] = $plink;
1069 $datarray['owner-name'] = $contact['name'];
1070 $datarray['owner-link'] = $contact['url'];
1071 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1072 if (!intval(get_config('system','wall-to-wall_share'))) {
1073 $prefix = "[share author='".str_replace(array("'", "[", "]"), array("'", "[", "]"),$person['name']).
1074 "' profile='".$person['url'].
1075 "' avatar='".((x($person,'thumb')) ? $person['thumb'] : $person['photo']).
1076 "' link='".str_replace(array("'", "[", "]"), array("'", "[", "]"),$orig_url)."']";
1077 $datarray['author-name'] = $contact['name'];
1078 $datarray['author-link'] = $contact['url'];
1079 $datarray['author-avatar'] = $contact['thumb'];
1080 $datarray['body'] = $prefix.$body."[/share]";
1082 // Let reshared messages look like wall-to-wall posts
1083 $datarray['author-name'] = $person['name'];
1084 $datarray['author-link'] = $person['url'];
1085 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1086 $datarray['body'] = $body;
1089 $datarray['tag'] = $str_tags;
1090 $datarray['app'] = 'Diaspora';
1092 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1093 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1095 $message_id = item_store($datarray);
1098 // q("update item set plink = '%s' where id = %d",
1099 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1100 // intval($message_id)
1109 function diaspora_asphoto($importer,$xml,$msg) {
1110 logger('diaspora_asphoto called');
1113 $guid = notags(unxmlify($xml->guid));
1114 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1116 if($diaspora_handle != $msg['author']) {
1117 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1121 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1125 if(! diaspora_post_allow($importer,$contact)) {
1126 logger('diaspora_asphoto: Ignoring this author.');
1130 $message_id = $diaspora_handle . ':' . $guid;
1131 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1132 intval($importer['uid']),
1137 logger('diaspora_asphoto: message exists: ' . $guid);
1141 // allocate a guid on our system - we aren't fixing any collisions.
1142 // we're ignoring them
1144 $g = q("select * from guid where guid = '%s' limit 1",
1148 q("insert into guid ( guid ) values ( '%s' )",
1153 $created = unxmlify($xml->created_at);
1154 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1156 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1157 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1158 $body = scale_external_images($body,false);
1160 elseif($xml->image_url) {
1161 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1162 $body = scale_external_images($body);
1165 logger('diaspora_asphoto: no photo url found.');
1169 $plink = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1).'/posts/'.$guid;
1171 $datarray = array();
1173 $datarray['uid'] = $importer['uid'];
1174 $datarray['contact-id'] = $contact['id'];
1175 $datarray['wall'] = 0;
1176 $datarray['network'] = NETWORK_DIASPORA;
1177 $datarray['guid'] = $guid;
1178 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1179 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1180 $datarray['private'] = $private;
1181 $datarray['parent'] = 0;
1182 $datarray['plink'] = $plink;
1183 $datarray['owner-name'] = $contact['name'];
1184 $datarray['owner-link'] = $contact['url'];
1185 //$datarray['owner-avatar'] = $contact['thumb'];
1186 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1187 $datarray['author-name'] = $contact['name'];
1188 $datarray['author-link'] = $contact['url'];
1189 $datarray['author-avatar'] = $contact['thumb'];
1190 $datarray['body'] = $body;
1192 $datarray['app'] = 'Diaspora/Cubbi.es';
1194 $message_id = item_store($datarray);
1197 // q("update item set plink = '%s' where id = %d",
1198 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1199 // intval($message_id)
1212 function diaspora_comment($importer,$xml,$msg) {
1215 $guid = notags(unxmlify($xml->guid));
1216 $parent_guid = notags(unxmlify($xml->parent_guid));
1217 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1218 $target_type = notags(unxmlify($xml->target_type));
1219 $text = unxmlify($xml->text);
1220 $author_signature = notags(unxmlify($xml->author_signature));
1222 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1224 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1226 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1230 if(! diaspora_post_allow($importer,$contact)) {
1231 logger('diaspora_comment: Ignoring this author.');
1235 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1236 intval($importer['uid']),
1240 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1244 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1245 intval($importer['uid']),
1249 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1252 $parent_item = $r[0];
1255 /* How Diaspora performs comment signature checking:
1257 - If an item has been sent by the comment author to the top-level post owner to relay on
1258 to the rest of the contacts on the top-level post, the top-level post owner should check
1259 the author_signature, then create a parent_author_signature before relaying the comment on
1260 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1261 check only the parent_author_signature. Basically, they trust that the top-level post
1262 owner has already verified the authenticity of anything he/she sends out
1263 - In either case, the signature that get checked is the signature created by the person
1267 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1270 if($parent_author_signature) {
1271 // If a parent_author_signature exists, then we've received the comment
1272 // relayed from the top-level post owner. There's no need to check the
1273 // author_signature if the parent_author_signature is valid
1275 $parent_author_signature = base64_decode($parent_author_signature);
1277 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1278 logger('diaspora_comment: top-level owner verification failed.');
1283 // If there's no parent_author_signature, then we've received the comment
1284 // from the comment creator. In that case, the person is commenting on
1285 // our post, so he/she must be a contact of ours and his/her public key
1286 // should be in $msg['key']
1288 $author_signature = base64_decode($author_signature);
1290 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1291 logger('diaspora_comment: comment author verification failed.');
1296 // Phew! Everything checks out. Now create an item.
1298 // Find the original comment author information.
1299 // We need this to make sure we display the comment author
1300 // information (name and avatar) correctly.
1301 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1304 $person = find_diaspora_person_by_handle($diaspora_handle);
1306 if(! is_array($person)) {
1307 logger('diaspora_comment: unable to find author details');
1312 $body = diaspora2bb($text);
1313 $message_id = $diaspora_handle . ':' . $guid;
1315 $datarray = array();
1319 $tags = get_tags($body);
1322 foreach($tags as $tag) {
1323 if(strpos($tag,'#') === 0) {
1324 if(strpos($tag,'[url='))
1327 // don't link tags that are already embedded in links
1329 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1331 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1335 $basetag = str_replace('_',' ',substr($tag,1));
1336 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1337 if(strlen($str_tags))
1339 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1345 $datarray['uid'] = $importer['uid'];
1346 $datarray['contact-id'] = $contact['id'];
1347 $datarray['type'] = 'remote-comment';
1348 $datarray['wall'] = $parent_item['wall'];
1349 $datarray['network'] = NETWORK_DIASPORA;
1350 $datarray['verb'] = ACTIVITY_POST;
1351 $datarray['gravity'] = GRAVITY_COMMENT;
1352 $datarray['guid'] = $guid;
1353 $datarray['uri'] = $message_id;
1354 $datarray['parent-uri'] = $parent_item['uri'];
1356 // No timestamps for comments? OK, we'll the use current time.
1357 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1358 $datarray['private'] = $parent_item['private'];
1360 $datarray['owner-name'] = $parent_item['owner-name'];
1361 $datarray['owner-link'] = $parent_item['owner-link'];
1362 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1364 $datarray['author-name'] = $person['name'];
1365 $datarray['author-link'] = $person['url'];
1366 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1367 $datarray['body'] = $body;
1368 $datarray['tag'] = $str_tags;
1370 // We can't be certain what the original app is if the message is relayed.
1371 if(($parent_item['origin']) && (! $parent_author_signature))
1372 $datarray['app'] = 'Diaspora';
1374 $message_id = item_store($datarray);
1377 //q("update item set plink = '%s' where id = %d",
1378 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1379 // dbesc($a->get_baseurl().'/display/'.$datarray['guid']),
1380 // intval($message_id)
1384 if(($parent_item['origin']) && (! $parent_author_signature)) {
1385 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1386 intval($message_id),
1387 dbesc($signed_data),
1388 dbesc(base64_encode($author_signature)),
1389 dbesc($diaspora_handle)
1392 // if the message isn't already being relayed, notify others
1393 // the existence of parent_author_signature means the parent_author or owner
1394 // is already relaying.
1396 proc_run('php','include/notifier.php','comment-import',$message_id);
1399 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1400 dbesc($parent_item['uri']),
1401 intval($importer['uid'])
1404 if(count($myconv)) {
1405 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1407 foreach($myconv as $conv) {
1409 // now if we find a match, it means we're in this conversation
1411 if(! link_compare($conv['author-link'],$importer_url))
1414 require_once('include/enotify.php');
1416 $conv_parent = $conv['parent'];
1419 'type' => NOTIFY_COMMENT,
1420 'notify_flags' => $importer['notify-flags'],
1421 'language' => $importer['language'],
1422 'to_name' => $importer['username'],
1423 'to_email' => $importer['email'],
1424 'uid' => $importer['uid'],
1425 'item' => $datarray,
1426 'link' => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
1427 'source_name' => $datarray['author-name'],
1428 'source_link' => $datarray['author-link'],
1429 'source_photo' => $datarray['author-avatar'],
1430 'verb' => ACTIVITY_POST,
1432 'parent' => $conv_parent,
1433 'parent_uri' => $parent_uri
1436 // only send one notification
1446 function diaspora_conversation($importer,$xml,$msg) {
1450 $guid = notags(unxmlify($xml->guid));
1451 $subject = notags(unxmlify($xml->subject));
1452 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1453 $participant_handles = notags(unxmlify($xml->participant_handles));
1454 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1456 $parent_uri = $diaspora_handle . ':' . $guid;
1458 $messages = $xml->message;
1460 if(! count($messages)) {
1461 logger('diaspora_conversation: empty conversation');
1465 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1467 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1471 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1472 logger('diaspora_conversation: Ignoring this author.');
1476 $conversation = null;
1478 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1479 intval($importer['uid']),
1483 $conversation = $c[0];
1485 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1486 intval($importer['uid']),
1488 dbesc($diaspora_handle),
1489 dbesc(datetime_convert('UTC','UTC',$created_at)),
1490 dbesc(datetime_convert()),
1492 dbesc($participant_handles)
1495 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1496 intval($importer['uid']),
1500 $conversation = $c[0];
1502 if(! $conversation) {
1503 logger('diaspora_conversation: unable to create conversation.');
1507 foreach($messages as $mesg) {
1511 $msg_guid = notags(unxmlify($mesg->guid));
1512 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1513 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1514 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1515 $msg_text = unxmlify($mesg->text);
1516 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1517 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1518 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1519 if($msg_conversation_guid != $guid) {
1520 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1524 $body = diaspora2bb($msg_text);
1525 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1527 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1529 $author_signature = base64_decode($msg_author_signature);
1531 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1536 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1538 if(is_array($person) && x($person,'pubkey'))
1539 $key = $person['pubkey'];
1541 logger('diaspora_conversation: unable to find author details');
1546 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1547 logger('diaspora_conversation: verification failed.');
1551 if($msg_parent_author_signature) {
1552 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1554 $parent_author_signature = base64_decode($msg_parent_author_signature);
1558 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1559 logger('diaspora_conversation: owner verification failed.');
1564 $r = q("select id from mail where `uri` = '%s' limit 1",
1568 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1572 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1573 intval($importer['uid']),
1575 intval($conversation['id']),
1576 dbesc($person['name']),
1577 dbesc($person['photo']),
1578 dbesc($person['url']),
1579 intval($contact['id']),
1586 dbesc($msg_created_at)
1589 q("update conv set updated = '%s' where id = %d",
1590 dbesc(datetime_convert()),
1591 intval($conversation['id'])
1594 require_once('include/enotify.php');
1596 'type' => NOTIFY_MAIL,
1597 'notify_flags' => $importer['notify-flags'],
1598 'language' => $importer['language'],
1599 'to_name' => $importer['username'],
1600 'to_email' => $importer['email'],
1601 'uid' =>$importer['importer_uid'],
1602 'item' => array('subject' => $subject, 'body' => $body),
1603 'source_name' => $person['name'],
1604 'source_link' => $person['url'],
1605 'source_photo' => $person['thumb'],
1606 'verb' => ACTIVITY_POST,
1614 function diaspora_message($importer,$xml,$msg) {
1618 $msg_guid = notags(unxmlify($xml->guid));
1619 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1620 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1621 $msg_author_signature = notags(unxmlify($xml->author_signature));
1622 $msg_text = unxmlify($xml->text);
1623 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1624 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1625 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1627 $parent_uri = $diaspora_handle . ':' . $msg_parent_guid;
1629 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1631 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1635 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1636 logger('diaspora_message: Ignoring this author.');
1640 $conversation = null;
1642 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1643 intval($importer['uid']),
1644 dbesc($msg_conversation_guid)
1647 $conversation = $c[0];
1649 logger('diaspora_message: conversation not available.');
1655 $body = diaspora2bb($msg_text);
1656 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1658 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1661 $author_signature = base64_decode($msg_author_signature);
1663 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1664 if(is_array($person) && x($person,'pubkey'))
1665 $key = $person['pubkey'];
1667 logger('diaspora_message: unable to find author details');
1671 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1672 logger('diaspora_message: verification failed.');
1676 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1678 intval($importer['uid'])
1681 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1685 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')",
1686 intval($importer['uid']),
1688 intval($conversation['id']),
1689 dbesc($person['name']),
1690 dbesc($person['photo']),
1691 dbesc($person['url']),
1692 intval($contact['id']),
1693 dbesc($conversation['subject']),
1699 dbesc($msg_created_at)
1702 q("update conv set updated = '%s' where id = %d",
1703 dbesc(datetime_convert()),
1704 intval($conversation['id'])
1711 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1715 logger('diaspora_photo: init',LOGGER_DEBUG);
1717 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1719 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1721 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1723 $guid = notags(unxmlify($xml->guid));
1725 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1727 $public = notags(unxmlify($xml->public));
1729 $created_at = notags(unxmlify($xml_created_at));
1731 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1733 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1735 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1739 if(! diaspora_post_allow($importer,$contact)) {
1740 logger('diaspora_photo: Ignoring this author.');
1744 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1745 intval($importer['uid']),
1746 dbesc($status_message_guid)
1750 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1751 intval($importer['uid']),
1752 dbesc(serialize($msg)),
1753 intval($attempt + 1)
1756 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1760 $parent_item = $r[0];
1762 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1764 $link_text = scale_external_images($link_text, true,
1765 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1767 if(strpos($parent_item['body'],$link_text) === false) {
1768 $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d",
1769 dbesc($link_text . $parent_item['body']),
1770 intval($parent_item['id']),
1771 intval($parent_item['uid'])
1781 function diaspora_like($importer,$xml,$msg) {
1784 $guid = notags(unxmlify($xml->guid));
1785 $parent_guid = notags(unxmlify($xml->parent_guid));
1786 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1787 $target_type = notags(unxmlify($xml->target_type));
1788 $positive = notags(unxmlify($xml->positive));
1789 $author_signature = notags(unxmlify($xml->author_signature));
1791 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1793 // likes on comments not supported here and likes on photos not supported by Diaspora
1795 // if($target_type !== 'Post')
1798 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1800 logger('diaspora_like: cannot find contact: ' . $msg['author']);
1804 if(! diaspora_post_allow($importer,$contact)) {
1805 logger('diaspora_like: Ignoring this author.');
1809 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1810 intval($importer['uid']),
1814 logger('diaspora_like: parent item not found: ' . $guid);
1818 $parent_item = $r[0];
1820 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1821 intval($importer['uid']),
1825 if($positive === 'true') {
1826 logger('diaspora_like: duplicate like: ' . $guid);
1829 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1830 // It looks like "RelayableRetractions" are used for "unlike" instead
1831 if($positive === 'false') {
1832 logger('diaspora_like: received a like with positive set to "false"...ignoring');
1833 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
1834 intval($r[0]['id']),
1835 intval($importer['uid'])
1837 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
1838 // send notification via proc_run()
1842 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1843 // It looks like "RelayableRetractions" are used for "unlike" instead
1844 if($positive === 'false') {
1845 logger('diaspora_like: received a like with positive set to "false"');
1846 logger('diaspora_like: unlike received with no corresponding like...ignoring');
1851 /* How Diaspora performs "like" signature checking:
1853 - If an item has been sent by the like author to the top-level post owner to relay on
1854 to the rest of the contacts on the top-level post, the top-level post owner should check
1855 the author_signature, then create a parent_author_signature before relaying the like on
1856 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1857 check only the parent_author_signature. Basically, they trust that the top-level post
1858 owner has already verified the authenticity of anything he/she sends out
1859 - In either case, the signature that get checked is the signature created by the person
1863 $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
1866 if($parent_author_signature) {
1867 // If a parent_author_signature exists, then we've received the like
1868 // relayed from the top-level post owner. There's no need to check the
1869 // author_signature if the parent_author_signature is valid
1871 $parent_author_signature = base64_decode($parent_author_signature);
1873 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1874 if (intval(get_config('system','ignore_diaspora_like_signature')))
1875 logger('diaspora_like: top-level owner verification failed. Proceeding anyway.');
1877 logger('diaspora_like: top-level owner verification failed.');
1883 // If there's no parent_author_signature, then we've received the like
1884 // from the like creator. In that case, the person is "like"ing
1885 // our post, so he/she must be a contact of ours and his/her public key
1886 // should be in $msg['key']
1888 $author_signature = base64_decode($author_signature);
1890 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1891 if (intval(get_config('system','ignore_diaspora_like_signature')))
1892 logger('diaspora_like: like creator verification failed. Proceeding anyway');
1894 logger('diaspora_like: like creator verification failed.');
1900 // Phew! Everything checks out. Now create an item.
1902 // Find the original comment author information.
1903 // We need this to make sure we display the comment author
1904 // information (name and avatar) correctly.
1905 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1908 $person = find_diaspora_person_by_handle($diaspora_handle);
1910 if(! is_array($person)) {
1911 logger('diaspora_like: unable to find author details');
1916 $uri = $diaspora_handle . ':' . $guid;
1918 $activity = ACTIVITY_LIKE;
1919 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
1920 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
1921 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
1922 $body = $parent_item['body'];
1927 <type>$objtype</type>
1929 <id>{$parent_item['uri']}</id>
1932 <content>$body</content>
1935 $bodyverb = t('%1$s likes %2$s\'s %3$s');
1940 $arr['uid'] = $importer['uid'];
1941 $arr['guid'] = $guid;
1942 $arr['network'] = NETWORK_DIASPORA;
1943 $arr['contact-id'] = $contact['id'];
1944 $arr['type'] = 'activity';
1945 $arr['wall'] = $parent_item['wall'];
1946 $arr['gravity'] = GRAVITY_LIKE;
1947 $arr['parent'] = $parent_item['id'];
1948 $arr['parent-uri'] = $parent_item['uri'];
1950 $arr['owner-name'] = $parent_item['name'];
1951 $arr['owner-link'] = $parent_item['url'];
1952 //$arr['owner-avatar'] = $parent_item['thumb'];
1953 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
1955 $arr['author-name'] = $person['name'];
1956 $arr['author-link'] = $person['url'];
1957 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1959 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
1960 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
1961 //$plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
1962 $plink = '[url='.$a->get_baseurl().'/display/'.urlencode($guid).']'.$post_type.'[/url]';
1963 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
1965 $arr['app'] = 'Diaspora';
1967 $arr['private'] = $parent_item['private'];
1968 $arr['verb'] = $activity;
1969 $arr['object-type'] = $objtype;
1970 $arr['object'] = $obj;
1971 $arr['visible'] = 1;
1973 $arr['last-child'] = 0;
1975 $message_id = item_store($arr);
1979 // q("update item set plink = '%s' where id = %d",
1980 // //dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1981 // dbesc($a->get_baseurl().'/display/'.$guid),
1982 // intval($message_id)
1986 if(! $parent_author_signature) {
1987 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1988 intval($message_id),
1989 dbesc($signed_data),
1990 dbesc(base64_encode($author_signature)),
1991 dbesc($diaspora_handle)
1995 // if the message isn't already being relayed, notify others
1996 // the existence of parent_author_signature means the parent_author or owner
1997 // is already relaying. The parent_item['origin'] indicates the message was created on our system
1999 if(($parent_item['origin']) && (! $parent_author_signature))
2000 proc_run('php','include/notifier.php','comment-import',$message_id);
2005 function diaspora_retraction($importer,$xml) {
2008 $guid = notags(unxmlify($xml->guid));
2009 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2010 $type = notags(unxmlify($xml->type));
2012 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2016 if($type === 'Person') {
2017 require_once('include/Contact.php');
2018 contact_remove($contact['id']);
2020 elseif($type === 'Post') {
2021 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2023 intval($importer['uid'])
2026 if(link_compare($r[0]['author-link'],$contact['url'])) {
2027 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2028 dbesc(datetime_convert()),
2031 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2040 function diaspora_signed_retraction($importer,$xml,$msg) {
2043 $guid = notags(unxmlify($xml->target_guid));
2044 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2045 $type = notags(unxmlify($xml->target_type));
2046 $sig = notags(unxmlify($xml->target_author_signature));
2048 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2050 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2052 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2057 $signed_data = $guid . ';' . $type ;
2060 /* How Diaspora performs relayable_retraction signature checking:
2062 - If an item has been sent by the item author to the top-level post owner to relay on
2063 to the rest of the contacts on the top-level post, the top-level post owner checks
2064 the author_signature, then creates a parent_author_signature before relaying the item on
2065 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2066 check only the parent_author_signature. Basically, they trust that the top-level post
2067 owner has already verified the authenticity of anything he/she sends out
2068 - In either case, the signature that get checked is the signature created by the person
2072 if($parent_author_signature) {
2074 $parent_author_signature = base64_decode($parent_author_signature);
2076 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2077 logger('diaspora_signed_retraction: top-level post owner verification failed');
2084 $sig_decode = base64_decode($sig);
2086 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2087 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2092 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2093 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2095 intval($importer['uid'])
2098 if(link_compare($r[0]['author-link'],$contact['url'])) {
2099 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2100 dbesc(datetime_convert()),
2101 dbesc(datetime_convert()),
2104 delete_thread($r[0]['id'], $r[0]['parent-uri']);
2106 // Now check if the retraction needs to be relayed by us
2108 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2109 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2110 // The only item with `parent` and `id` as the parent id is the parent item.
2111 $p = q("select origin from item where parent = %d and id = %d limit 1",
2116 if(($p[0]['origin']) && (! $parent_author_signature)) {
2117 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2119 dbesc($signed_data),
2121 dbesc($diaspora_handle)
2124 // the existence of parent_author_signature would have meant the parent_author or owner
2125 // is already relaying.
2126 logger('diaspora_signed_retraction: relaying relayable_retraction');
2128 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2135 logger('diaspora_signed_retraction: unknown type: ' . $type);
2141 function diaspora_profile($importer,$xml,$msg) {
2144 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2147 if($diaspora_handle != $msg['author']) {
2148 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2152 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2156 if($contact['blocked']) {
2157 logger('diaspora_post: Ignoring this author.');
2161 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2162 $image_url = unxmlify($xml->image_url);
2163 $birthday = unxmlify($xml->birthday);
2164 $location = diaspora2bb(unxmlify($xml->location));
2165 $about = diaspora2bb(unxmlify($xml->bio));
2168 $handle_parts = explode("@", $diaspora_handle);
2170 $name = $handle_parts[0];
2173 if( preg_match("|^https?://|", $image_url) === 0) {
2174 $image_url = "http://" . $handle_parts[1] . $image_url;
2177 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2178 intval($importer['uid']),
2179 intval($contact['id'])
2181 $oldphotos = ((count($r)) ? $r : null);*/
2183 require_once('include/Photo.php');
2185 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2187 // Generic birthday. We don't know the timezone. The year is irrelevant.
2189 $birthday = str_replace('1000','1901',$birthday);
2191 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2193 // this is to prevent multiple birthday notifications in a single year
2194 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2196 if(substr($birthday,5) === substr($contact['bd'],5))
2197 $birthday = $contact['bd'];
2199 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2200 // Not doing this currently because D* protocol is scheduled for revision soon.
2202 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s', `location` = '%s', `about` = '%s' WHERE `id` = %d AND `uid` = %d",
2204 dbesc(datetime_convert()),
2208 dbesc(datetime_convert()),
2212 intval($contact['id']),
2213 intval($importer['uid'])
2217 $author = q("SELECT * FROM `unique_contacts` WHERE `url`='%s' LIMIT 1",
2218 dbesc(normalise_link($contact['url'])));
2220 if (count($author) == 0) {
2221 q("INSERT INTO `unique_contacts` (`url`, `name`, `avatar`, `location`, `about`) VALUES ('%s', '%s', '%s', '%s', '%s')",
2222 dbesc(normalise_link($contact['url'])), dbesc($name), dbesc($location), dbesc($about), dbesc($images[0]));
2224 $author = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
2225 dbesc(normalise_link($contact['url'])));
2226 } else if (normalise_link($contact['url']).$name.$location.$about != normalise_link($author[0]["url"]).$author[0]["name"].$author[0]["location"].$author[0]["about"]) {
2227 q("UPDATE unique_contacts SET name = '%s', avatar = '%s', `location` = '%s', `about` = '%s' WHERE url = '%s'",
2228 dbesc($name), dbesc($images[0]), dbesc($location), dbesc($about), dbesc(normalise_link($contact['url'])));
2233 foreach($oldphotos as $ph) {
2234 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2235 intval($importer['uid']),
2236 intval($contact['id']),
2237 dbesc($ph['resource-id'])
2247 function diaspora_share($me,$contact) {
2249 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2250 $theiraddr = $contact['addr'];
2252 $tpl = get_markup_template('diaspora_share.tpl');
2253 $msg = replace_macros($tpl, array(
2254 '$sender' => $myaddr,
2255 '$recipient' => $theiraddr
2258 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2259 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2261 return(diaspora_transmit($owner,$contact,$slap, false));
2264 function diaspora_unshare($me,$contact) {
2267 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2269 $tpl = get_markup_template('diaspora_retract.tpl');
2270 $msg = replace_macros($tpl, array(
2271 '$guid' => $me['guid'],
2272 '$type' => 'Person',
2273 '$handle' => $myaddr
2276 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2277 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2279 return(diaspora_transmit($owner,$contact,$slap, false));
2284 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2287 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2288 $theiraddr = $contact['addr'];
2292 $title = $item['title'];
2293 $body = $item['body'];
2296 // We're trying to match Diaspora's split message/photo protocol but
2297 // all the photos are displayed on D* as links and not img's - even
2298 // though we're sending pretty much precisely what they send us when
2299 // doing the same operation.
2300 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2301 // which seems to get through intact.
2303 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2305 foreach($matches as $mtch) {
2307 $detail['str'] = $mtch[0];
2308 $detail['path'] = dirname($mtch[1]) . '/';
2309 $detail['file'] = basename($mtch[1]);
2310 $detail['guid'] = $item['guid'];
2311 $detail['handle'] = $myaddr;
2312 $images[] = $detail;
2313 $body = str_replace($detail['str'],$mtch[1],$body);
2318 //if(strlen($title))
2319 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2321 // convert to markdown
2322 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2323 //$body = bb2diaspora($body);
2327 $body = "## ".html_entity_decode($title)."\n\n".$body;
2329 if($item['attach']) {
2330 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2332 $body .= "\n" . t('Attachments:') . "\n";
2333 foreach($matches as $mtch) {
2334 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2340 $public = (($item['private']) ? 'false' : 'true');
2342 require_once('include/datetime.php');
2343 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2345 // Detect a share element and do a reshare
2346 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2347 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2348 $tpl = get_markup_template('diaspora_reshare.tpl');
2349 $msg = replace_macros($tpl, array(
2350 '$root_handle' => xmlify($ret['root_handle']),
2351 '$root_guid' => $ret['root_guid'],
2352 '$guid' => $item['guid'],
2353 '$handle' => xmlify($myaddr),
2354 '$public' => $public,
2355 '$created' => $created,
2356 '$provider' => $item["app"]
2359 $tpl = get_markup_template('diaspora_post.tpl');
2360 $msg = replace_macros($tpl, array(
2362 '$guid' => $item['guid'],
2363 '$handle' => xmlify($myaddr),
2364 '$public' => $public,
2365 '$created' => $created,
2366 '$provider' => $item["app"]
2370 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2372 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2373 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2375 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2377 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2379 if(count($images)) {
2380 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2383 return $return_code;
2386 function diaspora_is_reshare($body) {
2387 $body = trim($body);
2389 // Skip if it isn't a pure repeated messages
2390 // Does it start with a share?
2391 if (strpos($body, "[share") > 0)
2394 // Does it end with a share?
2395 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2398 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2399 // Skip if there is no shared message in there
2400 if ($body == $attributes)
2404 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2405 if ($matches[1] != "")
2406 $profile = $matches[1];
2408 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2409 if ($matches[1] != "")
2410 $profile = $matches[1];
2414 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2415 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2419 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2420 if ($matches[1] != "")
2421 $link = $matches[1];
2423 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2424 if ($matches[1] != "")
2425 $link = $matches[1];
2427 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2428 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2434 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2436 if(! count($images))
2438 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2440 $tpl = get_markup_template('diaspora_photo.tpl');
2441 foreach($images as $image) {
2442 if(! stristr($image['path'],$mysite))
2444 $resource = str_replace('.jpg','',$image['file']);
2445 $resource = substr($resource,0,strpos($resource,'-'));
2447 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2449 intval($owner['uid'])
2453 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2454 $msg = replace_macros($tpl,array(
2455 '$path' => xmlify($image['path']),
2456 '$filename' => xmlify($image['file']),
2457 '$msg_guid' => xmlify($image['guid']),
2458 '$guid' => xmlify($r[0]['guid']),
2459 '$handle' => xmlify($image['handle']),
2460 '$public' => xmlify($public),
2461 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2465 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2466 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2467 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2469 diaspora_transmit($owner,$contact,$slap,$public_batch);
2474 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2477 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2478 // $theiraddr = $contact['addr'];
2480 // Diaspora doesn't support threaded comments, but some
2481 // versions of Diaspora (i.e. Diaspora-pistos) support
2482 // likes on comments
2483 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2484 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2485 dbesc($item['thr-parent'])
2489 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2490 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2491 // The only item with `parent` and `id` as the parent id is the parent item.
2492 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2493 intval($item['parent']),
2494 intval($item['parent'])
2502 if($item['verb'] === ACTIVITY_LIKE) {
2503 $tpl = get_markup_template('diaspora_like.tpl');
2505 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2506 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2507 // $positive = (($item['deleted']) ? 'false' : 'true');
2510 if(($item['deleted']))
2511 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2514 $tpl = get_markup_template('diaspora_comment.tpl');
2518 $text = html_entity_decode(bb2diaspora($item['body']));
2523 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2525 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2527 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2529 $msg = replace_macros($tpl,array(
2530 '$guid' => xmlify($item['guid']),
2531 '$parent_guid' => xmlify($parent['guid']),
2532 '$target_type' =>xmlify($target_type),
2533 '$authorsig' => xmlify($authorsig),
2534 '$body' => xmlify($text),
2535 '$positive' => xmlify($positive),
2536 '$handle' => xmlify($myaddr)
2539 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2541 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2542 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2544 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2548 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2552 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2553 // $theiraddr = $contact['addr'];
2555 $body = $item['body'];
2556 $text = html_entity_decode(bb2diaspora($body));
2558 // Diaspora doesn't support threaded comments, but some
2559 // versions of Diaspora (i.e. Diaspora-pistos) support
2560 // likes on comments
2561 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2562 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2563 dbesc($item['thr-parent'])
2567 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2568 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2569 // The only item with `parent` and `id` as the parent id is the parent item.
2570 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2571 intval($item['parent']),
2572 intval($item['parent'])
2581 $relay_retract = false;
2582 $sql_sign_id = 'iid';
2583 if( $item['deleted']) {
2584 $relay_retract = true;
2586 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2588 $sql_sign_id = 'retract_iid';
2589 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2591 elseif($item['verb'] === ACTIVITY_LIKE) {
2594 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2595 // $positive = (($item['deleted']) ? 'false' : 'true');
2598 $tpl = get_markup_template('diaspora_like_relay.tpl');
2600 else { // item is a comment
2601 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2605 // fetch the original signature if the relayable was created by a Diaspora
2606 // or DFRN user. Relayables for other networks are not supported.
2608 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2613 $signed_text = $orig_sign['signed_text'];
2614 $authorsig = $orig_sign['signature'];
2615 $handle = $orig_sign['signer'];
2619 // Author signature information (for likes, comments, and retractions of likes or comments,
2620 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2621 // function is called
2622 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2626 /* Since the author signature is only checked by the parent, not by the relay recipients,
2627 * I think it may not be necessary for us to do so much work to preserve all the original
2628 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2629 * Let's just generate that and forget about all the original author signature stuff.
2631 * Note: this might be more of an problem if we want to support likes on comments for older
2632 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2633 * doing that, let's ignore it for now.
2635 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2639 $handle = diaspora_handle_from_contact($item['contact-id']);
2645 $sender_signed_text = $item['guid'] . ';' . $target_type;
2647 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2649 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2651 // Sign the relayable with the top-level owner's signature
2653 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2654 // stored in the database, because that provides the best chance that Diaspora will
2655 // be able to reconstruct the signed text the same way we did. This is particularly a
2656 // concern for the comment, whose signed text includes the text of the comment. The
2657 // smallest change in the text of the comment, including removing whitespace, will
2658 // make the signature verification fail. Since we translate from BB code to Diaspora's
2659 // markup at the top of this function, which is AFTER we placed the original $signed_text
2660 // in the database, it's hazardous to trust the original $signed_text.
2662 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2664 $msg = replace_macros($tpl,array(
2665 '$guid' => xmlify($item['guid']),
2666 '$parent_guid' => xmlify($parent['guid']),
2667 '$target_type' =>xmlify($target_type),
2668 '$authorsig' => xmlify($authorsig),
2669 '$parentsig' => xmlify($parentauthorsig),
2670 '$body' => xmlify($text),
2671 '$positive' => xmlify($positive),
2672 '$handle' => xmlify($handle)
2675 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2678 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2679 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2681 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2687 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2690 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2692 // Check whether the retraction is for a top-level post or whether it's a relayable
2693 if( $item['uri'] !== $item['parent-uri'] ) {
2695 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2696 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2700 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2701 $target_type = 'StatusMessage';
2704 $signed_text = $item['guid'] . ';' . $target_type;
2706 $msg = replace_macros($tpl, array(
2707 '$guid' => xmlify($item['guid']),
2708 '$type' => xmlify($target_type),
2709 '$handle' => xmlify($myaddr),
2710 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2713 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2714 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2716 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2719 function diaspora_send_mail($item,$owner,$contact) {
2722 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2724 $r = q("select * from conv where id = %d and uid = %d limit 1",
2725 intval($item['convid']),
2726 intval($item['uid'])
2730 logger('diaspora_send_mail: conversation not found.');
2736 'guid' => xmlify($cnv['guid']),
2737 'subject' => xmlify($cnv['subject']),
2738 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2739 'diaspora_handle' => xmlify($cnv['creator']),
2740 'participant_handles' => xmlify($cnv['recips'])
2743 $body = bb2diaspora($item['body']);
2744 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2746 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
2747 . $created . ';' . $myaddr . ';' . $cnv['guid'];
2749 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2752 'guid' => xmlify($item['guid']),
2753 'parent_guid' => xmlify($cnv['guid']),
2754 'parent_author_signature' => (($item['reply']) ? null : xmlify($sig)),
2755 'author_signature' => xmlify($sig),
2756 'text' => xmlify($body),
2757 'created_at' => xmlify($created),
2758 'diaspora_handle' => xmlify($myaddr),
2759 'conversation_guid' => xmlify($cnv['guid'])
2762 if($item['reply']) {
2763 $tpl = get_markup_template('diaspora_message.tpl');
2764 $xmsg = replace_macros($tpl, array('$msg' => $msg));
2767 $conv['messages'] = array($msg);
2768 $tpl = get_markup_template('diaspora_conversation.tpl');
2769 $xmsg = replace_macros($tpl, array('$conv' => $conv));
2772 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
2774 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
2775 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
2777 return(diaspora_transmit($owner,$contact,$slap,false));
2782 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
2784 $enabled = intval(get_config('system','diaspora_enabled'));
2790 $logid = random_string(4);
2791 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
2793 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
2797 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
2799 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
2803 if (!intval(get_config('system','diaspora_test'))) {
2804 post_url($dest_url . '/', $slap);
2805 $return_code = $a->get_curl_code();
2807 logger('diaspora_transmit: test_mode');
2812 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
2814 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
2815 logger('diaspora_transmit: queue message');
2817 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
2818 intval($contact['id']),
2819 dbesc(NETWORK_DIASPORA),
2821 intval($public_batch)
2824 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
2827 // queue message for redelivery
2828 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
2833 return(($return_code) ? $return_code : (-1));