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['guid'] = $guid;
877 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
878 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
879 $datarray['private'] = $private;
880 $datarray['parent'] = 0;
881 $datarray['plink'] = $plink;
882 $datarray['owner-name'] = $contact['name'];
883 $datarray['owner-link'] = $contact['url'];
884 //$datarray['owner-avatar'] = $contact['thumb'];
885 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
886 $datarray['author-name'] = $contact['name'];
887 $datarray['author-link'] = $contact['url'];
888 $datarray['author-avatar'] = $contact['thumb'];
889 $datarray['body'] = $body;
890 $datarray['tag'] = $str_tags;
891 $datarray['app'] = 'Diaspora';
893 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
895 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
897 $message_id = item_store($datarray);
900 // q("update item set plink = '%s' where id = %d",
901 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
902 // intval($message_id)
910 function diaspora_reshare($importer,$xml,$msg) {
912 logger('diaspora_reshare: init: ' . print_r($xml,true));
915 $guid = notags(unxmlify($xml->guid));
916 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
919 if($diaspora_handle != $msg['author']) {
920 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
924 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
928 if(! diaspora_post_allow($importer,$contact)) {
929 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
933 $message_id = $diaspora_handle . ':' . $guid;
934 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
935 intval($importer['uid']),
940 logger('diaspora_reshare: message exists: ' . $guid);
944 $orig_author = notags(unxmlify($xml->root_diaspora_id));
945 $orig_guid = notags(unxmlify($xml->root_guid));
947 $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml';
948 $orig_url = 'https://'.substr($orig_author,strpos($orig_author,'@')+1).'/posts/'.$orig_guid;
949 $x = fetch_url($source_url);
951 $x = fetch_url(str_replace('https://','http://',$source_url));
953 logger('diaspora_reshare: unable to fetch source url ' . $source_url);
956 logger('diaspora_reshare: source: ' . $x);
958 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
959 $source_xml = parse_xml_string($x,false);
961 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
962 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
963 $body = scale_external_images($body,false);
965 elseif($source_xml->post->asphoto->image_url) {
966 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
967 $body = scale_external_images($body);
969 elseif($source_xml->post->status_message) {
970 $body = diaspora2bb($source_xml->post->status_message->raw_message);
972 // Checking for embedded pictures
973 if($source_xml->post->status_message->photo->remote_photo_path AND
974 $source_xml->post->status_message->photo->remote_photo_name) {
976 $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path));
977 $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name));
979 $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body;
981 logger('diaspora_reshare: embedded picture link found: '.$body, LOGGER_DEBUG);
984 $body = scale_external_images($body);
986 // Add OEmbed and other information to the body
987 $body = add_page_info_to_body($body, false, true);
990 // Maybe it is a reshare of a photo that will be delivered at a later time (testing)
991 logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true));
997 // logger('diaspora_reshare: empty body: source= ' . $x);
1001 $person = find_diaspora_person_by_handle($orig_author);
1003 /*if(is_array($person) && x($person,'name') && x($person,'url'))
1004 $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]';
1006 $details = $orig_author;
1008 $prefix = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $details . "\n";*/
1011 // allocate a guid on our system - we aren't fixing any collisions.
1012 // we're ignoring them
1014 $g = q("select * from guid where guid = '%s' limit 1",
1018 q("insert into guid ( guid ) values ( '%s' )",
1023 $created = unxmlify($xml->created_at);
1024 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1026 $datarray = array();
1030 $tags = get_tags($body);
1033 foreach($tags as $tag) {
1034 if(strpos($tag,'#') === 0) {
1035 if(strpos($tag,'[url='))
1038 // don't link tags that are already embedded in links
1040 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1042 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1046 $basetag = str_replace('_',' ',substr($tag,1));
1047 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1048 if(strlen($str_tags))
1050 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1056 $plink = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1).'/posts/'.$guid;
1058 $datarray['uid'] = $importer['uid'];
1059 $datarray['contact-id'] = $contact['id'];
1060 $datarray['wall'] = 0;
1061 $datarray['network'] = NETWORK_DIASPORA;
1062 $datarray['guid'] = $guid;
1063 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1064 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1065 $datarray['private'] = $private;
1066 $datarray['parent'] = 0;
1067 $datarray['plink'] = $plink;
1068 $datarray['owner-name'] = $contact['name'];
1069 $datarray['owner-link'] = $contact['url'];
1070 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1071 if (!intval(get_config('system','wall-to-wall_share'))) {
1072 $prefix = "[share author='".str_replace(array("'", "[", "]"), array("'", "[", "]"),$person['name']).
1073 "' profile='".$person['url'].
1074 "' avatar='".((x($person,'thumb')) ? $person['thumb'] : $person['photo']).
1075 "' link='".str_replace(array("'", "[", "]"), array("'", "[", "]"),$orig_url)."']";
1076 $datarray['author-name'] = $contact['name'];
1077 $datarray['author-link'] = $contact['url'];
1078 $datarray['author-avatar'] = $contact['thumb'];
1079 $datarray['body'] = $prefix.$body."[/share]";
1081 // Let reshared messages look like wall-to-wall posts
1082 $datarray['author-name'] = $person['name'];
1083 $datarray['author-link'] = $person['url'];
1084 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1085 $datarray['body'] = $body;
1088 $datarray['tag'] = $str_tags;
1089 $datarray['app'] = 'Diaspora';
1091 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. (testing)
1092 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
1094 $message_id = item_store($datarray);
1097 // q("update item set plink = '%s' where id = %d",
1098 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1099 // intval($message_id)
1108 function diaspora_asphoto($importer,$xml,$msg) {
1109 logger('diaspora_asphoto called');
1112 $guid = notags(unxmlify($xml->guid));
1113 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1115 if($diaspora_handle != $msg['author']) {
1116 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1120 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1124 if(! diaspora_post_allow($importer,$contact)) {
1125 logger('diaspora_asphoto: Ignoring this author.');
1129 $message_id = $diaspora_handle . ':' . $guid;
1130 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1131 intval($importer['uid']),
1136 logger('diaspora_asphoto: message exists: ' . $guid);
1140 // allocate a guid on our system - we aren't fixing any collisions.
1141 // we're ignoring them
1143 $g = q("select * from guid where guid = '%s' limit 1",
1147 q("insert into guid ( guid ) values ( '%s' )",
1152 $created = unxmlify($xml->created_at);
1153 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1155 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1156 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1157 $body = scale_external_images($body,false);
1159 elseif($xml->image_url) {
1160 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1161 $body = scale_external_images($body);
1164 logger('diaspora_asphoto: no photo url found.');
1168 $plink = 'https://'.substr($diaspora_handle,strpos($diaspora_handle,'@')+1).'/posts/'.$guid;
1170 $datarray = array();
1172 $datarray['uid'] = $importer['uid'];
1173 $datarray['contact-id'] = $contact['id'];
1174 $datarray['wall'] = 0;
1175 $datarray['network'] = NETWORK_DIASPORA;
1176 $datarray['guid'] = $guid;
1177 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1178 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1179 $datarray['private'] = $private;
1180 $datarray['parent'] = 0;
1181 $datarray['plink'] = $plink;
1182 $datarray['owner-name'] = $contact['name'];
1183 $datarray['owner-link'] = $contact['url'];
1184 //$datarray['owner-avatar'] = $contact['thumb'];
1185 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1186 $datarray['author-name'] = $contact['name'];
1187 $datarray['author-link'] = $contact['url'];
1188 $datarray['author-avatar'] = $contact['thumb'];
1189 $datarray['body'] = $body;
1191 $datarray['app'] = 'Diaspora/Cubbi.es';
1193 $message_id = item_store($datarray);
1196 // q("update item set plink = '%s' where id = %d",
1197 // dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1198 // intval($message_id)
1211 function diaspora_comment($importer,$xml,$msg) {
1214 $guid = notags(unxmlify($xml->guid));
1215 $parent_guid = notags(unxmlify($xml->parent_guid));
1216 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1217 $target_type = notags(unxmlify($xml->target_type));
1218 $text = unxmlify($xml->text);
1219 $author_signature = notags(unxmlify($xml->author_signature));
1221 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1223 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1225 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1229 if(! diaspora_post_allow($importer,$contact)) {
1230 logger('diaspora_comment: Ignoring this author.');
1234 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1235 intval($importer['uid']),
1239 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1243 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1244 intval($importer['uid']),
1248 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1251 $parent_item = $r[0];
1254 /* How Diaspora performs comment signature checking:
1256 - If an item has been sent by the comment author to the top-level post owner to relay on
1257 to the rest of the contacts on the top-level post, the top-level post owner should check
1258 the author_signature, then create a parent_author_signature before relaying the comment on
1259 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1260 check only the parent_author_signature. Basically, they trust that the top-level post
1261 owner has already verified the authenticity of anything he/she sends out
1262 - In either case, the signature that get checked is the signature created by the person
1266 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1269 if($parent_author_signature) {
1270 // If a parent_author_signature exists, then we've received the comment
1271 // relayed from the top-level post owner. There's no need to check the
1272 // author_signature if the parent_author_signature is valid
1274 $parent_author_signature = base64_decode($parent_author_signature);
1276 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1277 logger('diaspora_comment: top-level owner verification failed.');
1282 // If there's no parent_author_signature, then we've received the comment
1283 // from the comment creator. In that case, the person is commenting on
1284 // our post, so he/she must be a contact of ours and his/her public key
1285 // should be in $msg['key']
1287 $author_signature = base64_decode($author_signature);
1289 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1290 logger('diaspora_comment: comment author verification failed.');
1295 // Phew! Everything checks out. Now create an item.
1297 // Find the original comment author information.
1298 // We need this to make sure we display the comment author
1299 // information (name and avatar) correctly.
1300 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1303 $person = find_diaspora_person_by_handle($diaspora_handle);
1305 if(! is_array($person)) {
1306 logger('diaspora_comment: unable to find author details');
1311 $body = diaspora2bb($text);
1312 $message_id = $diaspora_handle . ':' . $guid;
1314 $datarray = array();
1318 $tags = get_tags($body);
1321 foreach($tags as $tag) {
1322 if(strpos($tag,'#') === 0) {
1323 if(strpos($tag,'[url='))
1326 // don't link tags that are already embedded in links
1328 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1330 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1334 $basetag = str_replace('_',' ',substr($tag,1));
1335 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1336 if(strlen($str_tags))
1338 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1344 $datarray['uid'] = $importer['uid'];
1345 $datarray['contact-id'] = $contact['id'];
1346 $datarray['type'] = 'remote-comment';
1347 $datarray['wall'] = $parent_item['wall'];
1348 $datarray['network'] = NETWORK_DIASPORA;
1349 $datarray['gravity'] = GRAVITY_COMMENT;
1350 $datarray['guid'] = $guid;
1351 $datarray['uri'] = $message_id;
1352 $datarray['parent-uri'] = $parent_item['uri'];
1354 // No timestamps for comments? OK, we'll the use current time.
1355 $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
1356 $datarray['private'] = $parent_item['private'];
1358 $datarray['owner-name'] = $parent_item['owner-name'];
1359 $datarray['owner-link'] = $parent_item['owner-link'];
1360 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1362 $datarray['author-name'] = $person['name'];
1363 $datarray['author-link'] = $person['url'];
1364 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1365 $datarray['body'] = $body;
1366 $datarray['tag'] = $str_tags;
1368 // We can't be certain what the original app is if the message is relayed.
1369 if(($parent_item['origin']) && (! $parent_author_signature))
1370 $datarray['app'] = 'Diaspora';
1372 $message_id = item_store($datarray);
1375 q("update item set plink = '%s' where id = %d",
1376 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1381 if(($parent_item['origin']) && (! $parent_author_signature)) {
1382 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1383 intval($message_id),
1384 dbesc($signed_data),
1385 dbesc(base64_encode($author_signature)),
1386 dbesc($diaspora_handle)
1389 // if the message isn't already being relayed, notify others
1390 // the existence of parent_author_signature means the parent_author or owner
1391 // is already relaying.
1393 proc_run('php','include/notifier.php','comment-import',$message_id);
1396 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1397 dbesc($parent_item['uri']),
1398 intval($importer['uid'])
1401 if(count($myconv)) {
1402 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1404 foreach($myconv as $conv) {
1406 // now if we find a match, it means we're in this conversation
1408 if(! link_compare($conv['author-link'],$importer_url))
1411 require_once('include/enotify.php');
1413 $conv_parent = $conv['parent'];
1416 'type' => NOTIFY_COMMENT,
1417 'notify_flags' => $importer['notify-flags'],
1418 'language' => $importer['language'],
1419 'to_name' => $importer['username'],
1420 'to_email' => $importer['email'],
1421 'uid' => $importer['uid'],
1422 'item' => $datarray,
1423 'link' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id,
1424 'source_name' => $datarray['author-name'],
1425 'source_link' => $datarray['author-link'],
1426 'source_photo' => $datarray['author-avatar'],
1427 'verb' => ACTIVITY_POST,
1429 'parent' => $conv_parent,
1430 'parent_uri' => $parent_uri
1433 // only send one notification
1443 function diaspora_conversation($importer,$xml,$msg) {
1447 $guid = notags(unxmlify($xml->guid));
1448 $subject = notags(unxmlify($xml->subject));
1449 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1450 $participant_handles = notags(unxmlify($xml->participant_handles));
1451 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1453 $parent_uri = $diaspora_handle . ':' . $guid;
1455 $messages = $xml->message;
1457 if(! count($messages)) {
1458 logger('diaspora_conversation: empty conversation');
1462 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1464 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1468 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1469 logger('diaspora_conversation: Ignoring this author.');
1473 $conversation = null;
1475 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1476 intval($importer['uid']),
1480 $conversation = $c[0];
1482 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1483 intval($importer['uid']),
1485 dbesc($diaspora_handle),
1486 dbesc(datetime_convert('UTC','UTC',$created_at)),
1487 dbesc(datetime_convert()),
1489 dbesc($participant_handles)
1492 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1493 intval($importer['uid']),
1497 $conversation = $c[0];
1499 if(! $conversation) {
1500 logger('diaspora_conversation: unable to create conversation.');
1504 foreach($messages as $mesg) {
1508 $msg_guid = notags(unxmlify($mesg->guid));
1509 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1510 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1511 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1512 $msg_text = unxmlify($mesg->text);
1513 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1514 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1515 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1516 if($msg_conversation_guid != $guid) {
1517 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1521 $body = diaspora2bb($msg_text);
1522 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1524 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1526 $author_signature = base64_decode($msg_author_signature);
1528 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1533 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1535 if(is_array($person) && x($person,'pubkey'))
1536 $key = $person['pubkey'];
1538 logger('diaspora_conversation: unable to find author details');
1543 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1544 logger('diaspora_conversation: verification failed.');
1548 if($msg_parent_author_signature) {
1549 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1551 $parent_author_signature = base64_decode($msg_parent_author_signature);
1555 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1556 logger('diaspora_conversation: owner verification failed.');
1561 $r = q("select id from mail where `uri` = '%s' limit 1",
1565 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1569 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1570 intval($importer['uid']),
1572 intval($conversation['id']),
1573 dbesc($person['name']),
1574 dbesc($person['photo']),
1575 dbesc($person['url']),
1576 intval($contact['id']),
1583 dbesc($msg_created_at)
1586 q("update conv set updated = '%s' where id = %d",
1587 dbesc(datetime_convert()),
1588 intval($conversation['id'])
1591 require_once('include/enotify.php');
1593 'type' => NOTIFY_MAIL,
1594 'notify_flags' => $importer['notify-flags'],
1595 'language' => $importer['language'],
1596 'to_name' => $importer['username'],
1597 'to_email' => $importer['email'],
1598 'uid' =>$importer['importer_uid'],
1599 'item' => array('subject' => $subject, 'body' => $body),
1600 'source_name' => $person['name'],
1601 'source_link' => $person['url'],
1602 'source_photo' => $person['thumb'],
1603 'verb' => ACTIVITY_POST,
1611 function diaspora_message($importer,$xml,$msg) {
1615 $msg_guid = notags(unxmlify($xml->guid));
1616 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1617 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1618 $msg_author_signature = notags(unxmlify($xml->author_signature));
1619 $msg_text = unxmlify($xml->text);
1620 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1621 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1622 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1624 $parent_uri = $diaspora_handle . ':' . $msg_parent_guid;
1626 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1628 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1632 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1633 logger('diaspora_message: Ignoring this author.');
1637 $conversation = null;
1639 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1640 intval($importer['uid']),
1641 dbesc($msg_conversation_guid)
1644 $conversation = $c[0];
1646 logger('diaspora_message: conversation not available.');
1652 $body = diaspora2bb($msg_text);
1653 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1655 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1658 $author_signature = base64_decode($msg_author_signature);
1660 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1661 if(is_array($person) && x($person,'pubkey'))
1662 $key = $person['pubkey'];
1664 logger('diaspora_message: unable to find author details');
1668 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1669 logger('diaspora_message: verification failed.');
1673 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1675 intval($importer['uid'])
1678 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1682 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')",
1683 intval($importer['uid']),
1685 intval($conversation['id']),
1686 dbesc($person['name']),
1687 dbesc($person['photo']),
1688 dbesc($person['url']),
1689 intval($contact['id']),
1690 dbesc($conversation['subject']),
1696 dbesc($msg_created_at)
1699 q("update conv set updated = '%s' where id = %d",
1700 dbesc(datetime_convert()),
1701 intval($conversation['id'])
1708 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1712 logger('diaspora_photo: init',LOGGER_DEBUG);
1714 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1716 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1718 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1720 $guid = notags(unxmlify($xml->guid));
1722 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1724 $public = notags(unxmlify($xml->public));
1726 $created_at = notags(unxmlify($xml_created_at));
1728 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1730 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1732 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1736 if(! diaspora_post_allow($importer,$contact)) {
1737 logger('diaspora_photo: Ignoring this author.');
1741 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1742 intval($importer['uid']),
1743 dbesc($status_message_guid)
1747 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1748 intval($importer['uid']),
1749 dbesc(serialize($msg)),
1750 intval($attempt + 1)
1753 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1757 $parent_item = $r[0];
1759 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1761 $link_text = scale_external_images($link_text, true,
1762 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1764 if(strpos($parent_item['body'],$link_text) === false) {
1765 $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d",
1766 dbesc($link_text . $parent_item['body']),
1767 intval($parent_item['id']),
1768 intval($parent_item['uid'])
1778 function diaspora_like($importer,$xml,$msg) {
1781 $guid = notags(unxmlify($xml->guid));
1782 $parent_guid = notags(unxmlify($xml->parent_guid));
1783 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1784 $target_type = notags(unxmlify($xml->target_type));
1785 $positive = notags(unxmlify($xml->positive));
1786 $author_signature = notags(unxmlify($xml->author_signature));
1788 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1790 // likes on comments not supported here and likes on photos not supported by Diaspora
1792 // if($target_type !== 'Post')
1795 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1797 logger('diaspora_like: cannot find contact: ' . $msg['author']);
1801 if(! diaspora_post_allow($importer,$contact)) {
1802 logger('diaspora_like: Ignoring this author.');
1806 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1807 intval($importer['uid']),
1811 logger('diaspora_like: parent item not found: ' . $guid);
1815 $parent_item = $r[0];
1817 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1818 intval($importer['uid']),
1822 if($positive === 'true') {
1823 logger('diaspora_like: duplicate like: ' . $guid);
1826 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1827 // It looks like "RelayableRetractions" are used for "unlike" instead
1828 if($positive === 'false') {
1829 logger('diaspora_like: received a like with positive set to "false"...ignoring');
1830 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d",
1831 intval($r[0]['id']),
1832 intval($importer['uid'])
1834 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
1835 // send notification via proc_run()
1839 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1840 // It looks like "RelayableRetractions" are used for "unlike" instead
1841 if($positive === 'false') {
1842 logger('diaspora_like: received a like with positive set to "false"');
1843 logger('diaspora_like: unlike received with no corresponding like...ignoring');
1848 /* How Diaspora performs "like" signature checking:
1850 - If an item has been sent by the like author to the top-level post owner to relay on
1851 to the rest of the contacts on the top-level post, the top-level post owner should check
1852 the author_signature, then create a parent_author_signature before relaying the like on
1853 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1854 check only the parent_author_signature. Basically, they trust that the top-level post
1855 owner has already verified the authenticity of anything he/she sends out
1856 - In either case, the signature that get checked is the signature created by the person
1860 $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
1863 if($parent_author_signature) {
1864 // If a parent_author_signature exists, then we've received the like
1865 // relayed from the top-level post owner. There's no need to check the
1866 // author_signature if the parent_author_signature is valid
1868 $parent_author_signature = base64_decode($parent_author_signature);
1870 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1871 logger('diaspora_like: top-level owner verification failed.');
1876 // If there's no parent_author_signature, then we've received the like
1877 // from the like creator. In that case, the person is "like"ing
1878 // our post, so he/she must be a contact of ours and his/her public key
1879 // should be in $msg['key']
1881 $author_signature = base64_decode($author_signature);
1883 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1884 logger('diaspora_like: like creator verification failed.');
1889 // Phew! Everything checks out. Now create an item.
1891 // Find the original comment author information.
1892 // We need this to make sure we display the comment author
1893 // information (name and avatar) correctly.
1894 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1897 $person = find_diaspora_person_by_handle($diaspora_handle);
1899 if(! is_array($person)) {
1900 logger('diaspora_like: unable to find author details');
1905 $uri = $diaspora_handle . ':' . $guid;
1907 $activity = ACTIVITY_LIKE;
1908 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
1909 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
1910 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
1911 $body = $parent_item['body'];
1916 <type>$objtype</type>
1918 <id>{$parent_item['uri']}</id>
1921 <content>$body</content>
1924 $bodyverb = t('%1$s likes %2$s\'s %3$s');
1929 $arr['uid'] = $importer['uid'];
1930 $arr['guid'] = $guid;
1931 $arr['network'] = NETWORK_DIASPORA;
1932 $arr['contact-id'] = $contact['id'];
1933 $arr['type'] = 'activity';
1934 $arr['wall'] = $parent_item['wall'];
1935 $arr['gravity'] = GRAVITY_LIKE;
1936 $arr['parent'] = $parent_item['id'];
1937 $arr['parent-uri'] = $parent_item['uri'];
1939 $arr['owner-name'] = $parent_item['name'];
1940 $arr['owner-link'] = $parent_item['url'];
1941 //$arr['owner-avatar'] = $parent_item['thumb'];
1942 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
1944 $arr['author-name'] = $person['name'];
1945 $arr['author-link'] = $person['url'];
1946 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1948 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
1949 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
1950 $plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
1951 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
1953 $arr['app'] = 'Diaspora';
1955 $arr['private'] = $parent_item['private'];
1956 $arr['verb'] = $activity;
1957 $arr['object-type'] = $objtype;
1958 $arr['object'] = $obj;
1959 $arr['visible'] = 1;
1961 $arr['last-child'] = 0;
1963 $message_id = item_store($arr);
1967 q("update item set plink = '%s' where id = %d",
1968 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1973 if(! $parent_author_signature) {
1974 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1975 intval($message_id),
1976 dbesc($signed_data),
1977 dbesc(base64_encode($author_signature)),
1978 dbesc($diaspora_handle)
1982 // if the message isn't already being relayed, notify others
1983 // the existence of parent_author_signature means the parent_author or owner
1984 // is already relaying. The parent_item['origin'] indicates the message was created on our system
1986 if(($parent_item['origin']) && (! $parent_author_signature))
1987 proc_run('php','include/notifier.php','comment-import',$message_id);
1992 function diaspora_retraction($importer,$xml) {
1995 $guid = notags(unxmlify($xml->guid));
1996 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1997 $type = notags(unxmlify($xml->type));
1999 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2003 if($type === 'Person') {
2004 require_once('include/Contact.php');
2005 contact_remove($contact['id']);
2007 elseif($type === 'Post') {
2008 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2010 intval($importer['uid'])
2013 if(link_compare($r[0]['author-link'],$contact['url'])) {
2014 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d",
2015 dbesc(datetime_convert()),
2026 function diaspora_signed_retraction($importer,$xml,$msg) {
2029 $guid = notags(unxmlify($xml->target_guid));
2030 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2031 $type = notags(unxmlify($xml->target_type));
2032 $sig = notags(unxmlify($xml->target_author_signature));
2034 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2036 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2038 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2043 $signed_data = $guid . ';' . $type ;
2046 /* How Diaspora performs relayable_retraction signature checking:
2048 - If an item has been sent by the item author to the top-level post owner to relay on
2049 to the rest of the contacts on the top-level post, the top-level post owner checks
2050 the author_signature, then creates a parent_author_signature before relaying the item on
2051 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2052 check only the parent_author_signature. Basically, they trust that the top-level post
2053 owner has already verified the authenticity of anything he/she sends out
2054 - In either case, the signature that get checked is the signature created by the person
2058 if($parent_author_signature) {
2060 $parent_author_signature = base64_decode($parent_author_signature);
2062 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2063 logger('diaspora_signed_retraction: top-level post owner verification failed');
2070 $sig_decode = base64_decode($sig);
2072 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2073 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2078 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2079 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2081 intval($importer['uid'])
2084 if(link_compare($r[0]['author-link'],$contact['url'])) {
2085 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d",
2086 dbesc(datetime_convert()),
2087 dbesc(datetime_convert()),
2091 // Now check if the retraction needs to be relayed by us
2093 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2094 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2095 // The only item with `parent` and `id` as the parent id is the parent item.
2096 $p = q("select origin from item where parent = %d and id = %d limit 1",
2101 if(($p[0]['origin']) && (! $parent_author_signature)) {
2102 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2104 dbesc($signed_data),
2106 dbesc($diaspora_handle)
2109 // the existence of parent_author_signature would have meant the parent_author or owner
2110 // is already relaying.
2111 logger('diaspora_signed_retraction: relaying relayable_retraction');
2113 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2120 logger('diaspora_signed_retraction: unknown type: ' . $type);
2126 function diaspora_profile($importer,$xml,$msg) {
2129 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2132 if($diaspora_handle != $msg['author']) {
2133 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2137 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2141 if($contact['blocked']) {
2142 logger('diaspora_post: Ignoring this author.');
2146 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2147 $image_url = unxmlify($xml->image_url);
2148 $birthday = unxmlify($xml->birthday);
2151 $handle_parts = explode("@", $diaspora_handle);
2153 $name = $handle_parts[0];
2157 if( preg_match("|^https?://|", $image_url) === 0) {
2158 $image_url = "http://" . $handle_parts[1] . $image_url;
2161 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2162 intval($importer['uid']),
2163 intval($contact['id'])
2165 $oldphotos = ((count($r)) ? $r : null);*/
2167 require_once('include/Photo.php');
2169 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2171 // Generic birthday. We don't know the timezone. The year is irrelevant.
2173 $birthday = str_replace('1000','1901',$birthday);
2175 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2177 // this is to prevent multiple birthday notifications in a single year
2178 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2180 if(substr($birthday,5) === substr($contact['bd'],5))
2181 $birthday = $contact['bd'];
2183 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2184 // Not doing this currently because D* protocol is scheduled for revision soon.
2186 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s' WHERE `id` = %d AND `uid` = %d",
2188 dbesc(datetime_convert()),
2192 dbesc(datetime_convert()),
2194 intval($contact['id']),
2195 intval($importer['uid'])
2200 foreach($oldphotos as $ph) {
2201 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2202 intval($importer['uid']),
2203 intval($contact['id']),
2204 dbesc($ph['resource-id'])
2214 function diaspora_share($me,$contact) {
2216 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2217 $theiraddr = $contact['addr'];
2219 $tpl = get_markup_template('diaspora_share.tpl');
2220 $msg = replace_macros($tpl, array(
2221 '$sender' => $myaddr,
2222 '$recipient' => $theiraddr
2225 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2226 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2228 return(diaspora_transmit($owner,$contact,$slap, false));
2231 function diaspora_unshare($me,$contact) {
2234 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2236 $tpl = get_markup_template('diaspora_retract.tpl');
2237 $msg = replace_macros($tpl, array(
2238 '$guid' => $me['guid'],
2239 '$type' => 'Person',
2240 '$handle' => $myaddr
2243 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2244 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2246 return(diaspora_transmit($owner,$contact,$slap, false));
2251 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2254 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2255 $theiraddr = $contact['addr'];
2259 $title = $item['title'];
2260 $body = $item['body'];
2263 // We're trying to match Diaspora's split message/photo protocol but
2264 // all the photos are displayed on D* as links and not img's - even
2265 // though we're sending pretty much precisely what they send us when
2266 // doing the same operation.
2267 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2268 // which seems to get through intact.
2270 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2272 foreach($matches as $mtch) {
2274 $detail['str'] = $mtch[0];
2275 $detail['path'] = dirname($mtch[1]) . '/';
2276 $detail['file'] = basename($mtch[1]);
2277 $detail['guid'] = $item['guid'];
2278 $detail['handle'] = $myaddr;
2279 $images[] = $detail;
2280 $body = str_replace($detail['str'],$mtch[1],$body);
2285 //if(strlen($title))
2286 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2288 // convert to markdown
2289 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2290 //$body = bb2diaspora($body);
2294 $body = "## ".html_entity_decode($title)."\n\n".$body;
2296 if($item['attach']) {
2297 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2299 $body .= "\n" . t('Attachments:') . "\n";
2300 foreach($matches as $mtch) {
2301 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2307 $public = (($item['private']) ? 'false' : 'true');
2309 require_once('include/datetime.php');
2310 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2312 // Detect a share element and do a reshare
2313 // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb
2314 if (!$item['private'] AND ($ret = diaspora_is_reshare($item["body"]))) {
2315 $tpl = get_markup_template('diaspora_reshare.tpl');
2316 $msg = replace_macros($tpl, array(
2317 '$root_handle' => xmlify($ret['root_handle']),
2318 '$root_guid' => $ret['root_guid'],
2319 '$guid' => $item['guid'],
2320 '$handle' => xmlify($myaddr),
2321 '$public' => $public,
2322 '$created' => $created,
2323 '$provider' => $item["app"]
2326 $tpl = get_markup_template('diaspora_post.tpl');
2327 $msg = replace_macros($tpl, array(
2329 '$guid' => $item['guid'],
2330 '$handle' => xmlify($myaddr),
2331 '$public' => $public,
2332 '$created' => $created,
2333 '$provider' => $item["app"]
2337 logger('diaspora_send_status: '.$owner['username'].' -> '.$contact['name'].' base message: '.$msg, LOGGER_DATA);
2339 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2340 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2342 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2344 logger('diaspora_send_status: guid: '.$item['guid'].' result '.$return_code, LOGGER_DEBUG);
2346 if(count($images)) {
2347 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2350 return $return_code;
2353 function diaspora_is_reshare($body) {
2354 $body = trim($body);
2356 // Skip if it isn't a pure repeated messages
2357 // Does it start with a share?
2358 if (strpos($body, "[share") > 0)
2361 // Does it end with a share?
2362 if (strlen($body) > (strrpos($body, "[/share]") + 8))
2365 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
2366 // Skip if there is no shared message in there
2367 if ($body == $attributes)
2371 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
2372 if ($matches[1] != "")
2373 $profile = $matches[1];
2375 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
2376 if ($matches[1] != "")
2377 $profile = $matches[1];
2381 $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile);
2382 if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == ""))
2386 preg_match("/link='(.*?)'/ism", $attributes, $matches);
2387 if ($matches[1] != "")
2388 $link = $matches[1];
2390 preg_match('/link="(.*?)"/ism', $attributes, $matches);
2391 if ($matches[1] != "")
2392 $link = $matches[1];
2394 $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link);
2395 if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == ""))
2401 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2403 if(! count($images))
2405 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2407 $tpl = get_markup_template('diaspora_photo.tpl');
2408 foreach($images as $image) {
2409 if(! stristr($image['path'],$mysite))
2411 $resource = str_replace('.jpg','',$image['file']);
2412 $resource = substr($resource,0,strpos($resource,'-'));
2414 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2416 intval($owner['uid'])
2420 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2421 $msg = replace_macros($tpl,array(
2422 '$path' => xmlify($image['path']),
2423 '$filename' => xmlify($image['file']),
2424 '$msg_guid' => xmlify($image['guid']),
2425 '$guid' => xmlify($r[0]['guid']),
2426 '$handle' => xmlify($image['handle']),
2427 '$public' => xmlify($public),
2428 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2432 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2433 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2434 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2436 diaspora_transmit($owner,$contact,$slap,$public_batch);
2441 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2444 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2445 // $theiraddr = $contact['addr'];
2447 // Diaspora doesn't support threaded comments, but some
2448 // versions of Diaspora (i.e. Diaspora-pistos) support
2449 // likes on comments
2450 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2451 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2452 dbesc($item['thr-parent'])
2456 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2457 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2458 // The only item with `parent` and `id` as the parent id is the parent item.
2459 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2460 intval($item['parent']),
2461 intval($item['parent'])
2469 if($item['verb'] === ACTIVITY_LIKE) {
2470 $tpl = get_markup_template('diaspora_like.tpl');
2472 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2473 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2474 // $positive = (($item['deleted']) ? 'false' : 'true');
2477 if(($item['deleted']))
2478 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2481 $tpl = get_markup_template('diaspora_comment.tpl');
2485 $text = html_entity_decode(bb2diaspora($item['body']));
2490 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2492 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2494 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2496 $msg = replace_macros($tpl,array(
2497 '$guid' => xmlify($item['guid']),
2498 '$parent_guid' => xmlify($parent['guid']),
2499 '$target_type' =>xmlify($target_type),
2500 '$authorsig' => xmlify($authorsig),
2501 '$body' => xmlify($text),
2502 '$positive' => xmlify($positive),
2503 '$handle' => xmlify($myaddr)
2506 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2508 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2509 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2511 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2515 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2519 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2520 // $theiraddr = $contact['addr'];
2522 $body = $item['body'];
2523 $text = html_entity_decode(bb2diaspora($body));
2525 // Diaspora doesn't support threaded comments, but some
2526 // versions of Diaspora (i.e. Diaspora-pistos) support
2527 // likes on comments
2528 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2529 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2530 dbesc($item['thr-parent'])
2534 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2535 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2536 // The only item with `parent` and `id` as the parent id is the parent item.
2537 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2538 intval($item['parent']),
2539 intval($item['parent'])
2548 $relay_retract = false;
2549 $sql_sign_id = 'iid';
2550 if( $item['deleted']) {
2551 $relay_retract = true;
2553 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2555 $sql_sign_id = 'retract_iid';
2556 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2558 elseif($item['verb'] === ACTIVITY_LIKE) {
2561 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2562 // $positive = (($item['deleted']) ? 'false' : 'true');
2565 $tpl = get_markup_template('diaspora_like_relay.tpl');
2567 else { // item is a comment
2568 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2572 // fetch the original signature if the relayable was created by a Diaspora
2573 // or DFRN user. Relayables for other networks are not supported.
2575 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2580 $signed_text = $orig_sign['signed_text'];
2581 $authorsig = $orig_sign['signature'];
2582 $handle = $orig_sign['signer'];
2586 // Author signature information (for likes, comments, and retractions of likes or comments,
2587 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2588 // function is called
2589 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2593 /* Since the author signature is only checked by the parent, not by the relay recipients,
2594 * I think it may not be necessary for us to do so much work to preserve all the original
2595 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2596 * Let's just generate that and forget about all the original author signature stuff.
2598 * Note: this might be more of an problem if we want to support likes on comments for older
2599 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2600 * doing that, let's ignore it for now.
2602 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2606 $handle = diaspora_handle_from_contact($item['contact-id']);
2612 $sender_signed_text = $item['guid'] . ';' . $target_type;
2614 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2616 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2618 // Sign the relayable with the top-level owner's signature
2620 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2621 // stored in the database, because that provides the best chance that Diaspora will
2622 // be able to reconstruct the signed text the same way we did. This is particularly a
2623 // concern for the comment, whose signed text includes the text of the comment. The
2624 // smallest change in the text of the comment, including removing whitespace, will
2625 // make the signature verification fail. Since we translate from BB code to Diaspora's
2626 // markup at the top of this function, which is AFTER we placed the original $signed_text
2627 // in the database, it's hazardous to trust the original $signed_text.
2629 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2631 $msg = replace_macros($tpl,array(
2632 '$guid' => xmlify($item['guid']),
2633 '$parent_guid' => xmlify($parent['guid']),
2634 '$target_type' =>xmlify($target_type),
2635 '$authorsig' => xmlify($authorsig),
2636 '$parentsig' => xmlify($parentauthorsig),
2637 '$body' => xmlify($text),
2638 '$positive' => xmlify($positive),
2639 '$handle' => xmlify($handle)
2642 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2645 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2646 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2648 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2654 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2657 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2659 // Check whether the retraction is for a top-level post or whether it's a relayable
2660 if( $item['uri'] !== $item['parent-uri'] ) {
2662 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2663 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2667 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2668 $target_type = 'StatusMessage';
2671 $signed_text = $item['guid'] . ';' . $target_type;
2673 $msg = replace_macros($tpl, array(
2674 '$guid' => xmlify($item['guid']),
2675 '$type' => xmlify($target_type),
2676 '$handle' => xmlify($myaddr),
2677 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2680 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2681 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2683 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2686 function diaspora_send_mail($item,$owner,$contact) {
2689 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2691 $r = q("select * from conv where id = %d and uid = %d limit 1",
2692 intval($item['convid']),
2693 intval($item['uid'])
2697 logger('diaspora_send_mail: conversation not found.');
2703 'guid' => xmlify($cnv['guid']),
2704 'subject' => xmlify($cnv['subject']),
2705 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2706 'diaspora_handle' => xmlify($cnv['creator']),
2707 'participant_handles' => xmlify($cnv['recips'])
2710 $body = bb2diaspora($item['body']);
2711 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2713 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
2714 . $created . ';' . $myaddr . ';' . $cnv['guid'];
2716 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2719 'guid' => xmlify($item['guid']),
2720 'parent_guid' => xmlify($cnv['guid']),
2721 'parent_author_signature' => (($item['reply']) ? null : xmlify($sig)),
2722 'author_signature' => xmlify($sig),
2723 'text' => xmlify($body),
2724 'created_at' => xmlify($created),
2725 'diaspora_handle' => xmlify($myaddr),
2726 'conversation_guid' => xmlify($cnv['guid'])
2729 if($item['reply']) {
2730 $tpl = get_markup_template('diaspora_message.tpl');
2731 $xmsg = replace_macros($tpl, array('$msg' => $msg));
2734 $conv['messages'] = array($msg);
2735 $tpl = get_markup_template('diaspora_conversation.tpl');
2736 $xmsg = replace_macros($tpl, array('$conv' => $conv));
2739 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
2741 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
2742 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
2744 return(diaspora_transmit($owner,$contact,$slap,false));
2749 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
2751 $enabled = intval(get_config('system','diaspora_enabled'));
2757 $logid = random_string(4);
2758 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
2760 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
2764 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
2766 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
2770 if (!intval(get_config('system','diaspora_test'))) {
2771 post_url($dest_url . '/', $slap);
2772 $return_code = $a->get_curl_code();
2774 logger('diaspora_transmit: test_mode');
2779 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
2781 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
2782 logger('diaspora_transmit: queue message');
2784 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
2785 intval($contact['id']),
2786 dbesc(NETWORK_DIASPORA),
2788 intval($public_batch)
2791 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
2794 // queue message for redelivery
2795 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
2800 return(($return_code) ? $return_code : (-1));