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');
11 function diaspora_dispatch_public($msg) {
13 $enabled = intval(get_config('system','diaspora_enabled'));
15 logger('mod-diaspora: disabled');
19 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
20 ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' )
21 AND `account_expired` = 0 AND `account_removed` = 0 ",
22 dbesc(NETWORK_DIASPORA),
27 logger('diaspora_public: delivering to: ' . $rr['username']);
28 diaspora_dispatch($rr,$msg);
32 logger('diaspora_public: no subscribers');
37 function diaspora_dispatch($importer,$msg,$attempt=1) {
41 $enabled = intval(get_config('system','diaspora_enabled'));
43 logger('mod-diaspora: disabled');
47 // php doesn't like dashes in variable names
49 $msg['message'] = str_replace(
50 array('<activity_streams-photo>','</activity_streams-photo>'),
51 array('<asphoto>','</asphoto>'),
55 $parsed_xml = parse_xml_string($msg['message'],false);
57 $xmlbase = $parsed_xml->post;
59 logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
62 if($xmlbase->request) {
63 $ret = diaspora_request($importer,$xmlbase->request);
65 elseif($xmlbase->status_message) {
66 $ret = diaspora_post($importer,$xmlbase->status_message,$msg);
68 elseif($xmlbase->profile) {
69 $ret = diaspora_profile($importer,$xmlbase->profile,$msg);
71 elseif($xmlbase->comment) {
72 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
74 elseif($xmlbase->like) {
75 $ret = diaspora_like($importer,$xmlbase->like,$msg);
77 elseif($xmlbase->asphoto) {
78 $ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
80 elseif($xmlbase->reshare) {
81 $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
83 elseif($xmlbase->retraction) {
84 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
86 elseif($xmlbase->signed_retraction) {
87 $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
89 elseif($xmlbase->relayable_retraction) {
90 $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
92 elseif($xmlbase->photo) {
93 $ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
95 elseif($xmlbase->conversation) {
96 $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
98 elseif($xmlbase->message) {
99 $ret = diaspora_message($importer,$xmlbase->message,$msg);
102 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
107 function diaspora_handle_from_contact($contact_id) {
110 logger("diaspora_handle_from_contact: contact id is " . $contact_id, LOGGER_DEBUG);
112 $r = q("SELECT network, addr, self, url, nick FROM contact WHERE id = %d",
118 logger("diaspora_handle_from_contact: contact 'self' = " . $contact['self'] . " 'url' = " . $contact['url'], LOGGER_DEBUG);
120 if($contact['network'] === NETWORK_DIASPORA) {
121 $handle = $contact['addr'];
123 // logger("diaspora_handle_from_contact: contact id is a Diaspora person, handle = " . $handle, LOGGER_DEBUG);
125 elseif(($contact['network'] === NETWORK_DFRN) || ($contact['self'] == 1)) {
126 $baseurl_start = strpos($contact['url'],'://') + 3;
127 $baseurl_length = strpos($contact['url'],'/profile') - $baseurl_start; // allows installations in a subdirectory--not sure how Diaspora will handle
128 $baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
129 $handle = $contact['nick'] . '@' . $baseurl;
131 // logger("diaspora_handle_from_contact: contact id is a DFRN person, handle = " . $handle, LOGGER_DEBUG);
138 function diaspora_get_contact_by_handle($uid,$handle) {
139 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
140 dbesc(NETWORK_DIASPORA),
147 $handle_parts = explode("@", $handle);
148 $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
149 $r = q("SELECT * FROM contact WHERE network = '%s' AND uid = %d AND nurl LIKE '%s' LIMIT 1",
160 function find_diaspora_person_by_handle($handle) {
170 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
171 dbesc(NETWORK_DIASPORA),
176 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
178 // update record occasionally so it doesn't get stale
179 $d = strtotime($person['updated'] . ' +00:00');
180 if($d < strtotime('now - 14 days'))
185 // FETCHING PERSON INFORMATION FROM REMOTE SERVER
187 // If the person isn't in our 'fcontact' table, or if he/she is but
188 // his/her information hasn't been updated for more than 14 days, then
189 // we want to fetch the person's information from the remote server.
191 // Note that $person isn't changed by this block of code unless the
192 // person's information has been successfully fetched from the remote
193 // server. So if $person was 'false' to begin with (because he/she wasn't
194 // in the local cache), it'll stay false, and if $person held the local
195 // cache information to begin with, it'll keep that information. That way
196 // if there's a problem with the remote fetch, we can at least use our
197 // cached information--it's better than nothing.
199 if((! $person) || ($update)) {
200 // Lock the function to prevent race conditions if multiple items
201 // come in at the same time from a person who doesn't exist in
204 // Don't loop forever. On the last loop, try to create the contact
205 // whether the function is locked or not. Maybe the locking thread
206 // has died or something. At any rate, a duplicate in 'fcontact'
207 // is a much smaller problem than a deadlocked thread
208 $got_lock = lock_function('find_diaspora_person_by_handle', false);
209 if(($endlessloop + 1) >= $maxloops)
213 logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
214 require_once('include/Scrape.php');
215 $r = probe_url($handle, PROBE_DIASPORA);
217 // Note that Friendica contacts can return a "Diaspora person"
218 // if Diaspora connectivity is enabled on their server
219 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
220 add_fcontact($r,$update);
224 unlock_function('find_diaspora_person_by_handle');
227 logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
229 block_on_function_lock('find_diaspora_person_by_handle');
232 } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
233 // We need to try again if the person wasn't in 'fcontact' but the function was locked.
234 // The fact that the function was locked may mean that another process was creating the
235 // person's record. It could also mean another process was creating or updating an unrelated
238 // At any rate, we need to keep trying until we've either got the person or had a chance to
239 // try to fetch his/her remote information. But we don't want to block on locking the
240 // function, because if the other process is creating the record, then when we acquire the lock
241 // we'll dive right into creating another, duplicate record. We DO want to at least wait
242 // until the lock is released, so we don't flood the database with requests.
244 // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
245 // we do have some information for the person
251 function get_diaspora_key($uri) {
252 logger('Fetching diaspora key for: ' . $uri);
254 $r = find_diaspora_person_by_handle($uri);
261 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
264 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
267 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
269 // $b64_data = base64_encode($msg);
270 // $b64url_data = base64url_encode($b64_data);
272 $b64url_data = base64url_encode($msg);
274 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
276 $type = 'application/xml';
277 $encoding = 'base64url';
280 $signable_data = $data . '.' . base64url_encode($type) . '.'
281 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
283 $signature = rsa_sign($signable_data,$prvkey);
284 $sig = base64url_encode($signature);
287 <?xml version='1.0' encoding='UTF-8'?>
288 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
290 <author_id>$handle</author_id>
293 <me:encoding>base64url</me:encoding>
294 <me:alg>RSA-SHA256</me:alg>
295 <me:data type="application/xml">$data</me:data>
296 <me:sig>$sig</me:sig>
301 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
309 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
313 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
315 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
317 // without a public key nothing will work
320 logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
324 $inner_aes_key = random_string(32);
325 $b_inner_aes_key = base64_encode($inner_aes_key);
326 $inner_iv = random_string(16);
327 $b_inner_iv = base64_encode($inner_iv);
329 $outer_aes_key = random_string(32);
330 $b_outer_aes_key = base64_encode($outer_aes_key);
331 $outer_iv = random_string(16);
332 $b_outer_iv = base64_encode($outer_iv);
334 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
336 $padded_data = pkcs5_pad($msg,16);
337 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
339 $b64_data = base64_encode($inner_encrypted);
342 $b64url_data = base64url_encode($b64_data);
343 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
345 $type = 'application/xml';
346 $encoding = 'base64url';
349 $signable_data = $data . '.' . base64url_encode($type) . '.'
350 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
352 $signature = rsa_sign($signable_data,$prvkey);
353 $sig = base64url_encode($signature);
355 $decrypted_header = <<< EOT
358 <aes_key>$b_inner_aes_key</aes_key>
359 <author_id>$handle</author_id>
363 $decrypted_header = pkcs5_pad($decrypted_header,16);
365 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
367 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
369 $encrypted_outer_key_bundle = '';
370 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
372 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
374 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
376 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
377 'ciphertext' => base64_encode($ciphertext)));
378 $cipher_json = base64_encode($encrypted_header_json_object);
380 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
383 <?xml version='1.0' encoding='UTF-8'?>
384 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
387 <me:encoding>base64url</me:encoding>
388 <me:alg>RSA-SHA256</me:alg>
389 <me:data type="application/xml">$data</me:data>
390 <me:sig>$sig</me:sig>
395 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
402 * diaspora_decode($importer,$xml)
403 * array $importer -> from user table
404 * string $xml -> urldecoded Diaspora salmon
407 * 'message' -> decoded Diaspora XML message
408 * 'author' -> author diaspora handle
409 * 'key' -> author public key (converted to pkcs#8)
411 * Author and key are used elsewhere to save a lookup for verifying replies and likes
415 function diaspora_decode($importer,$xml) {
418 $basedom = parse_xml_string($xml);
420 $children = $basedom->children('https://joindiaspora.com/protocol');
422 if($children->header) {
424 $author_link = str_replace('acct:','',$children->header->author_id);
428 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
430 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
431 $ciphertext = base64_decode($encrypted_header->ciphertext);
433 $outer_key_bundle = '';
434 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
436 $j_outer_key_bundle = json_decode($outer_key_bundle);
438 $outer_iv = base64_decode($j_outer_key_bundle->iv);
439 $outer_key = base64_decode($j_outer_key_bundle->key);
441 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
444 $decrypted = pkcs5_unpad($decrypted);
447 * $decrypted now contains something like
450 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
451 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
456 * <name>Ryan Hughes</name>
457 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
462 * <author_id>galaxor@diaspora.priateship.org</author_id>
466 * </decrypted_header>
469 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
470 $idom = parse_xml_string($decrypted,false);
472 $inner_iv = base64_decode($idom->iv);
473 $inner_aes_key = base64_decode($idom->aes_key);
475 $author_link = str_replace('acct:','',$idom->author_id);
479 $dom = $basedom->children(NAMESPACE_SALMON_ME);
481 // figure out where in the DOM tree our data is hiding
483 if($dom->provenance->data)
484 $base = $dom->provenance;
485 elseif($dom->env->data)
491 logger('mod-diaspora: unable to locate salmon data in xml ');
492 http_status_exit(400);
496 // Stash the signature away for now. We have to find their key or it won't be good for anything.
497 $signature = base64url_decode($base->sig);
501 // strip whitespace so our data element will return to one big base64 blob
502 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
505 // stash away some other stuff for later
507 $type = $base->data[0]->attributes()->type[0];
508 $keyhash = $base->sig[0]->attributes()->keyhash[0];
509 $encoding = $base->encoding;
513 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
517 $data = base64url_decode($data);
521 $inner_decrypted = $data;
525 // Decode the encrypted blob
527 $inner_encrypted = base64_decode($data);
528 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
529 $inner_decrypted = pkcs5_unpad($inner_decrypted);
533 logger('mod-diaspora: Could not retrieve author URI.');
534 http_status_exit(400);
537 // Once we have the author URI, go to the web and try to find their public key
538 // (first this will look it up locally if it is in the fcontact cache)
539 // This will also convert diaspora public key from pkcs#1 to pkcs#8
541 logger('mod-diaspora: Fetching key for ' . $author_link );
542 $key = get_diaspora_key($author_link);
545 logger('mod-diaspora: Could not retrieve author key.');
546 http_status_exit(400);
549 $verify = rsa_verify($signed_data,$signature,$key);
552 logger('mod-diaspora: Message did not verify. Discarding.');
553 http_status_exit(400);
556 logger('mod-diaspora: Message verified.');
558 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
563 function diaspora_request($importer,$xml) {
567 $sender_handle = unxmlify($xml->sender_handle);
568 $recipient_handle = unxmlify($xml->recipient_handle);
570 if(! $sender_handle || ! $recipient_handle)
573 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
577 // perhaps we were already sharing with this person. Now they're sharing with us.
578 // That makes us friends.
580 if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
581 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
582 intval(CONTACT_IS_FRIEND),
583 intval($contact['id']),
584 intval($importer['uid'])
589 $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
590 intval($importer['uid'])
593 if((count($r)) && (! $r[0]['hide-friends']) && (! $contact['hidden'])) {
594 require_once('include/items.php');
596 $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
597 intval($importer['uid'])
600 // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
602 if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
605 $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
606 $arr['uid'] = $importer['uid'];
607 $arr['contact-id'] = $self[0]['id'];
609 $arr['type'] = 'wall';
612 $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
613 $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
614 $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
615 $arr['verb'] = ACTIVITY_FRIEND;
616 $arr['object-type'] = ACTIVITY_OBJ_PERSON;
618 $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
619 $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
620 $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
621 $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
623 $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
624 . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
625 $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
626 $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
627 $arr['object'] .= '</link></object>' . "\n";
628 $arr['last-child'] = 1;
630 $arr['allow_cid'] = $user[0]['allow_cid'];
631 $arr['allow_gid'] = $user[0]['allow_gid'];
632 $arr['deny_cid'] = $user[0]['deny_cid'];
633 $arr['deny_gid'] = $user[0]['deny_gid'];
635 $i = item_store($arr);
637 proc_run('php',"include/notifier.php","activity","$i");
646 $ret = find_diaspora_person_by_handle($sender_handle);
649 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
650 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
654 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
658 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
659 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
660 intval($importer['uid']),
661 dbesc($ret['network']),
665 dbesc(normalise_link($ret['url'])),
669 dbesc($ret['photo']),
670 dbesc($ret['pubkey']),
671 dbesc($ret['notify']),
677 // find the contact record we just created
679 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
681 if(! $contact_record) {
682 logger('diaspora_request: unable to locate newly created contact record.');
686 $g = q("select def_gid from user where uid = %d limit 1",
687 intval($importer['uid'])
689 if($g && intval($g[0]['def_gid'])) {
690 require_once('include/group.php');
691 group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
694 if($importer['page-flags'] == PAGE_NORMAL) {
696 $hash = random_string() . (string) time(); // Generate a confirm_key
698 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
699 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
700 intval($importer['uid']),
701 intval($contact_record['id']),
704 dbesc( t('Sharing notification from Diaspora network')),
706 dbesc(datetime_convert())
711 // automatic friend approval
713 require_once('include/Photo.php');
715 $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
717 // technically they are sharing with us (CONTACT_IS_SHARING),
718 // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
719 // we are going to change the relationship and make them a follower.
721 if($importer['page-flags'] == PAGE_FREELOVE)
722 $new_relation = CONTACT_IS_FRIEND;
724 $new_relation = CONTACT_IS_FOLLOWER;
726 $r = q("UPDATE `contact` SET
733 `avatar-date` = '%s',
736 WHERE `id` = %d LIMIT 1
741 intval($new_relation),
742 dbesc(datetime_convert()),
743 dbesc(datetime_convert()),
744 dbesc(datetime_convert()),
745 intval($contact_record['id'])
748 $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
750 $ret = diaspora_share($u[0],$contact_record);
756 function diaspora_post_allow($importer,$contact) {
758 // perhaps we were already sharing with this person. Now they're sharing with us.
759 // That makes us friends.
760 // Normally this should have handled by getting a request - but this could get lost
761 if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
762 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
763 intval(CONTACT_IS_FRIEND),
764 intval($contact['id']),
765 intval($importer['uid'])
767 $contact['rel'] = CONTACT_IS_FRIEND;
768 logger('diaspora_post_allow: defining user '.$contact["nick"].' as friend');
771 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
773 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
775 if($contact['rel'] == CONTACT_IS_FOLLOWER)
776 if($importer['page-flags'] == PAGE_COMMUNITY)
782 function diaspora_post($importer,$xml,$msg) {
785 $guid = notags(unxmlify($xml->guid));
786 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
788 if($diaspora_handle != $msg['author']) {
789 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
793 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
797 if(! diaspora_post_allow($importer,$contact)) {
798 logger('diaspora_post: Ignoring this author.');
802 $message_id = $diaspora_handle . ':' . $guid;
803 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
804 intval($importer['uid']),
809 logger('diaspora_post: message exists: ' . $guid);
813 // allocate a guid on our system - we aren't fixing any collisions.
814 // we're ignoring them
816 $g = q("select * from guid where guid = '%s' limit 1",
820 q("insert into guid ( guid ) values ( '%s' )",
825 $created = unxmlify($xml->created_at);
826 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
828 $body = diaspora2bb($xml->raw_message);
834 $tags = get_tags($body);
837 foreach($tags as $tag) {
838 if(strpos($tag,'#') === 0) {
839 if(strpos($tag,'[url='))
842 // don't link tags that are already embedded in links
844 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
846 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
849 $basetag = str_replace('_',' ',substr($tag,1));
850 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
851 if(strlen($str_tags))
853 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
859 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
861 foreach($matches as $mtch) {
862 if(strlen($str_tags))
864 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
868 $datarray['uid'] = $importer['uid'];
869 $datarray['contact-id'] = $contact['id'];
870 $datarray['wall'] = 0;
871 $datarray['network'] = NETWORK_DIASPORA;
872 $datarray['guid'] = $guid;
873 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
874 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
875 $datarray['private'] = $private;
876 $datarray['parent'] = 0;
877 $datarray['owner-name'] = $contact['name'];
878 $datarray['owner-link'] = $contact['url'];
879 //$datarray['owner-avatar'] = $contact['thumb'];
880 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
881 $datarray['author-name'] = $contact['name'];
882 $datarray['author-link'] = $contact['url'];
883 $datarray['author-avatar'] = $contact['thumb'];
884 $datarray['body'] = $body;
885 $datarray['tag'] = $str_tags;
886 $datarray['app'] = 'Diaspora';
888 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
890 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
892 $message_id = item_store($datarray);
895 q("update item set plink = '%s' where id = %d limit 1",
896 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
905 function diaspora_reshare($importer,$xml,$msg) {
907 logger('diaspora_reshare: init: ' . print_r($xml,true));
910 $guid = notags(unxmlify($xml->guid));
911 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
914 if($diaspora_handle != $msg['author']) {
915 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
919 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
923 if(! diaspora_post_allow($importer,$contact)) {
924 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
928 $message_id = $diaspora_handle . ':' . $guid;
929 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
930 intval($importer['uid']),
935 logger('diaspora_reshare: message exists: ' . $guid);
939 $orig_author = notags(unxmlify($xml->root_diaspora_id));
940 $orig_guid = notags(unxmlify($xml->root_guid));
942 $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml';
943 $orig_url = 'https://'.substr($orig_author,strpos($orig_author,'@')+1).'/posts/'.$orig_guid;
944 $x = fetch_url($source_url);
946 $x = fetch_url(str_replace('https://','http://',$source_url));
948 logger('diaspora_reshare: unable to fetch source url ' . $source_url);
951 logger('diaspora_reshare: source: ' . $x);
953 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
954 $source_xml = parse_xml_string($x,false);
956 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
957 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
958 $body = scale_external_images($body,false);
960 elseif($source_xml->post->asphoto->image_url) {
961 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
962 $body = scale_external_images($body);
964 elseif($source_xml->post->status_message) {
965 $body = diaspora2bb($source_xml->post->status_message->raw_message);
966 $body = scale_external_images($body);
970 logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true));
974 logger('diaspora_reshare: empty body: source= ' . $x);
978 $person = find_diaspora_person_by_handle($orig_author);
980 /*if(is_array($person) && x($person,'name') && x($person,'url'))
981 $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]';
983 $details = $orig_author;
985 $prefix = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $details . "\n";*/
988 // allocate a guid on our system - we aren't fixing any collisions.
989 // we're ignoring them
991 $g = q("select * from guid where guid = '%s' limit 1",
995 q("insert into guid ( guid ) values ( '%s' )",
1000 $created = unxmlify($xml->created_at);
1001 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1003 $datarray = array();
1007 $tags = get_tags($body);
1010 foreach($tags as $tag) {
1011 if(strpos($tag,'#') === 0) {
1012 if(strpos($tag,'[url='))
1015 // don't link tags that are already embedded in links
1017 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1019 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1023 $basetag = str_replace('_',' ',substr($tag,1));
1024 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1025 if(strlen($str_tags))
1027 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1033 $datarray['uid'] = $importer['uid'];
1034 $datarray['contact-id'] = $contact['id'];
1035 $datarray['wall'] = 0;
1036 $datarray['network'] = NETWORK_DIASPORA;
1037 $datarray['guid'] = $guid;
1038 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1039 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1040 $datarray['private'] = $private;
1041 $datarray['parent'] = 0;
1042 $datarray['owner-name'] = $contact['name'];
1043 $datarray['owner-link'] = $contact['url'];
1044 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1045 if (!intval(get_config('system','wall-to-wall_share'))) {
1046 $prefix = "[share author='".str_replace(array("'", "[", "]"), array("'", "[", "]"),$person['name']).
1047 "' profile='".$person['url'].
1048 "' avatar='".((x($person,'thumb')) ? $person['thumb'] : $person['photo']).
1049 "' link='".str_replace(array("'", "[", "]"), array("'", "[", "]"),$orig_url)."']";
1050 $datarray['author-name'] = $contact['name'];
1051 $datarray['author-link'] = $contact['url'];
1052 $datarray['author-avatar'] = $contact['thumb'];
1053 $datarray['body'] = $prefix.$body."[/share]";
1055 // Let reshared messages look like wall-to-wall posts
1056 $datarray['author-name'] = $person['name'];
1057 $datarray['author-link'] = $person['url'];
1058 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1059 $datarray['body'] = $body;
1062 $datarray['tag'] = $str_tags;
1063 $datarray['app'] = 'Diaspora';
1065 $message_id = item_store($datarray);
1068 q("update item set plink = '%s' where id = %d limit 1",
1069 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1079 function diaspora_asphoto($importer,$xml,$msg) {
1080 logger('diaspora_asphoto called');
1083 $guid = notags(unxmlify($xml->guid));
1084 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1086 if($diaspora_handle != $msg['author']) {
1087 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1091 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1095 if(! diaspora_post_allow($importer,$contact)) {
1096 logger('diaspora_asphoto: Ignoring this author.');
1100 $message_id = $diaspora_handle . ':' . $guid;
1101 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1102 intval($importer['uid']),
1107 logger('diaspora_asphoto: message exists: ' . $guid);
1111 // allocate a guid on our system - we aren't fixing any collisions.
1112 // we're ignoring them
1114 $g = q("select * from guid where guid = '%s' limit 1",
1118 q("insert into guid ( guid ) values ( '%s' )",
1123 $created = unxmlify($xml->created_at);
1124 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1126 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1127 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1128 $body = scale_external_images($body,false);
1130 elseif($xml->image_url) {
1131 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1132 $body = scale_external_images($body);
1135 logger('diaspora_asphoto: no photo url found.');
1139 $datarray = array();
1142 $datarray['uid'] = $importer['uid'];
1143 $datarray['contact-id'] = $contact['id'];
1144 $datarray['wall'] = 0;
1145 $datarray['network'] = NETWORK_DIASPORA;
1146 $datarray['guid'] = $guid;
1147 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1148 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1149 $datarray['private'] = $private;
1150 $datarray['parent'] = 0;
1151 $datarray['owner-name'] = $contact['name'];
1152 $datarray['owner-link'] = $contact['url'];
1153 //$datarray['owner-avatar'] = $contact['thumb'];
1154 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1155 $datarray['author-name'] = $contact['name'];
1156 $datarray['author-link'] = $contact['url'];
1157 $datarray['author-avatar'] = $contact['thumb'];
1158 $datarray['body'] = $body;
1160 $datarray['app'] = 'Diaspora/Cubbi.es';
1162 $message_id = item_store($datarray);
1165 q("update item set plink = '%s' where id = %d limit 1",
1166 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1180 function diaspora_comment($importer,$xml,$msg) {
1183 $guid = notags(unxmlify($xml->guid));
1184 $parent_guid = notags(unxmlify($xml->parent_guid));
1185 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1186 $target_type = notags(unxmlify($xml->target_type));
1187 $text = unxmlify($xml->text);
1188 $author_signature = notags(unxmlify($xml->author_signature));
1190 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1192 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1194 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1198 if(! diaspora_post_allow($importer,$contact)) {
1199 logger('diaspora_comment: Ignoring this author.');
1203 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1204 intval($importer['uid']),
1208 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1212 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1213 intval($importer['uid']),
1217 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1220 $parent_item = $r[0];
1223 /* How Diaspora performs comment signature checking:
1225 - If an item has been sent by the comment author to the top-level post owner to relay on
1226 to the rest of the contacts on the top-level post, the top-level post owner should check
1227 the author_signature, then create a parent_author_signature before relaying the comment on
1228 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1229 check only the parent_author_signature. Basically, they trust that the top-level post
1230 owner has already verified the authenticity of anything he/she sends out
1231 - In either case, the signature that get checked is the signature created by the person
1235 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1238 if($parent_author_signature) {
1239 // If a parent_author_signature exists, then we've received the comment
1240 // relayed from the top-level post owner. There's no need to check the
1241 // author_signature if the parent_author_signature is valid
1243 $parent_author_signature = base64_decode($parent_author_signature);
1245 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1246 logger('diaspora_comment: top-level owner verification failed.');
1251 // If there's no parent_author_signature, then we've received the comment
1252 // from the comment creator. In that case, the person is commenting on
1253 // our post, so he/she must be a contact of ours and his/her public key
1254 // should be in $msg['key']
1256 $author_signature = base64_decode($author_signature);
1258 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1259 logger('diaspora_comment: comment author verification failed.');
1264 // Phew! Everything checks out. Now create an item.
1266 // Find the original comment author information.
1267 // We need this to make sure we display the comment author
1268 // information (name and avatar) correctly.
1269 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1272 $person = find_diaspora_person_by_handle($diaspora_handle);
1274 if(! is_array($person)) {
1275 logger('diaspora_comment: unable to find author details');
1280 $body = diaspora2bb($text);
1282 $message_id = $diaspora_handle . ':' . $guid;
1284 $datarray = array();
1288 $tags = get_tags($body);
1291 foreach($tags as $tag) {
1292 if(strpos($tag,'#') === 0) {
1293 if(strpos($tag,'[url='))
1296 // don't link tags that are already embedded in links
1298 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1300 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1304 $basetag = str_replace('_',' ',substr($tag,1));
1305 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1306 if(strlen($str_tags))
1308 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1314 $datarray['uid'] = $importer['uid'];
1315 $datarray['contact-id'] = $contact['id'];
1316 $datarray['type'] = 'remote-comment';
1317 $datarray['wall'] = $parent_item['wall'];
1318 $datarray['network'] = NETWORK_DIASPORA;
1319 $datarray['gravity'] = GRAVITY_COMMENT;
1320 $datarray['guid'] = $guid;
1321 $datarray['uri'] = $message_id;
1322 $datarray['parent-uri'] = $parent_item['uri'];
1324 // No timestamps for comments? OK, we'll the use current time.
1325 $datarray['created'] = $datarray['edited'] = datetime_convert();
1326 $datarray['private'] = $parent_item['private'];
1328 $datarray['owner-name'] = $parent_item['owner-name'];
1329 $datarray['owner-link'] = $parent_item['owner-link'];
1330 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1332 $datarray['author-name'] = $person['name'];
1333 $datarray['author-link'] = $person['url'];
1334 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1335 $datarray['body'] = $body;
1336 $datarray['tag'] = $str_tags;
1338 // We can't be certain what the original app is if the message is relayed.
1339 if(($parent_item['origin']) && (! $parent_author_signature))
1340 $datarray['app'] = 'Diaspora';
1342 $message_id = item_store($datarray);
1345 q("update item set plink = '%s' where id = %d limit 1",
1346 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1351 if(($parent_item['origin']) && (! $parent_author_signature)) {
1352 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1353 intval($message_id),
1354 dbesc($signed_data),
1355 dbesc(base64_encode($author_signature)),
1356 dbesc($diaspora_handle)
1359 // if the message isn't already being relayed, notify others
1360 // the existence of parent_author_signature means the parent_author or owner
1361 // is already relaying.
1363 proc_run('php','include/notifier.php','comment-import',$message_id);
1366 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1367 dbesc($parent_item['uri']),
1368 intval($importer['uid'])
1371 if(count($myconv)) {
1372 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1374 foreach($myconv as $conv) {
1376 // now if we find a match, it means we're in this conversation
1378 if(! link_compare($conv['author-link'],$importer_url))
1381 require_once('include/enotify.php');
1383 $conv_parent = $conv['parent'];
1386 'type' => NOTIFY_COMMENT,
1387 'notify_flags' => $importer['notify-flags'],
1388 'language' => $importer['language'],
1389 'to_name' => $importer['username'],
1390 'to_email' => $importer['email'],
1391 'uid' => $importer['uid'],
1392 'item' => $datarray,
1393 'link' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id,
1394 'source_name' => $datarray['author-name'],
1395 'source_link' => $datarray['author-link'],
1396 'source_photo' => $datarray['author-avatar'],
1397 'verb' => ACTIVITY_POST,
1399 'parent' => $conv_parent,
1400 'parent_uri' => $parent_uri
1403 // only send one notification
1413 function diaspora_conversation($importer,$xml,$msg) {
1417 $guid = notags(unxmlify($xml->guid));
1418 $subject = notags(unxmlify($xml->subject));
1419 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1420 $participant_handles = notags(unxmlify($xml->participant_handles));
1421 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1423 $parent_uri = $diaspora_handle . ':' . $guid;
1425 $messages = $xml->message;
1427 if(! count($messages)) {
1428 logger('diaspora_conversation: empty conversation');
1432 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1434 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1438 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1439 logger('diaspora_conversation: Ignoring this author.');
1443 $conversation = null;
1445 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1446 intval($importer['uid']),
1450 $conversation = $c[0];
1452 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1453 intval($importer['uid']),
1455 dbesc($diaspora_handle),
1456 dbesc(datetime_convert('UTC','UTC',$created_at)),
1457 dbesc(datetime_convert()),
1459 dbesc($participant_handles)
1462 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1463 intval($importer['uid']),
1467 $conversation = $c[0];
1469 if(! $conversation) {
1470 logger('diaspora_conversation: unable to create conversation.');
1474 foreach($messages as $mesg) {
1478 $msg_guid = notags(unxmlify($mesg->guid));
1479 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1480 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1481 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1482 $msg_text = unxmlify($mesg->text);
1483 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1484 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1485 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1486 if($msg_conversation_guid != $guid) {
1487 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1491 $body = diaspora2bb($msg_text);
1492 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1494 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1496 $author_signature = base64_decode($msg_author_signature);
1498 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1503 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1505 if(is_array($person) && x($person,'pubkey'))
1506 $key = $person['pubkey'];
1508 logger('diaspora_conversation: unable to find author details');
1513 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1514 logger('diaspora_conversation: verification failed.');
1518 if($msg_parent_author_signature) {
1519 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1521 $parent_author_signature = base64_decode($msg_parent_author_signature);
1525 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1526 logger('diaspora_conversation: owner verification failed.');
1531 $r = q("select id from mail where `uri` = '%s' limit 1",
1535 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1539 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1540 intval($importer['uid']),
1542 intval($conversation['id']),
1543 dbesc($person['name']),
1544 dbesc($person['photo']),
1545 dbesc($person['url']),
1546 intval($contact['id']),
1553 dbesc($msg_created_at)
1556 q("update conv set updated = '%s' where id = %d limit 1",
1557 dbesc(datetime_convert()),
1558 intval($conversation['id'])
1561 require_once('include/enotify.php');
1563 'type' => NOTIFY_MAIL,
1564 'notify_flags' => $importer['notify-flags'],
1565 'language' => $importer['language'],
1566 'to_name' => $importer['username'],
1567 'to_email' => $importer['email'],
1568 'uid' =>$importer['importer_uid'],
1569 'item' => array('subject' => $subject, 'body' => $body),
1570 'source_name' => $person['name'],
1571 'source_link' => $person['url'],
1572 'source_photo' => $person['thumb'],
1573 'verb' => ACTIVITY_POST,
1581 function diaspora_message($importer,$xml,$msg) {
1585 $msg_guid = notags(unxmlify($xml->guid));
1586 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1587 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1588 $msg_author_signature = notags(unxmlify($xml->author_signature));
1589 $msg_text = unxmlify($xml->text);
1590 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1591 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1592 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1594 $parent_uri = $diaspora_handle . ':' . $msg_parent_guid;
1596 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1598 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1602 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1603 logger('diaspora_message: Ignoring this author.');
1607 $conversation = null;
1609 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1610 intval($importer['uid']),
1611 dbesc($msg_conversation_guid)
1614 $conversation = $c[0];
1616 logger('diaspora_message: conversation not available.');
1622 $body = diaspora2bb($msg_text);
1623 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1625 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1628 $author_signature = base64_decode($msg_author_signature);
1630 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1631 if(is_array($person) && x($person,'pubkey'))
1632 $key = $person['pubkey'];
1634 logger('diaspora_message: unable to find author details');
1638 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1639 logger('diaspora_message: verification failed.');
1643 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1645 intval($importer['uid'])
1648 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1652 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')",
1653 intval($importer['uid']),
1655 intval($conversation['id']),
1656 dbesc($person['name']),
1657 dbesc($person['photo']),
1658 dbesc($person['url']),
1659 intval($contact['id']),
1660 dbesc($conversation['subject']),
1666 dbesc($msg_created_at)
1669 q("update conv set updated = '%s' where id = %d limit 1",
1670 dbesc(datetime_convert()),
1671 intval($conversation['id'])
1678 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1682 logger('diaspora_photo: init',LOGGER_DEBUG);
1684 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1686 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1688 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1690 $guid = notags(unxmlify($xml->guid));
1692 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1694 $public = notags(unxmlify($xml->public));
1696 $created_at = notags(unxmlify($xml_created_at));
1698 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1700 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1702 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1706 if(! diaspora_post_allow($importer,$contact)) {
1707 logger('diaspora_photo: Ignoring this author.');
1711 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1712 intval($importer['uid']),
1713 dbesc($status_message_guid)
1717 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1718 intval($importer['uid']),
1719 dbesc(serialize($msg)),
1720 intval($attempt + 1)
1723 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1727 $parent_item = $r[0];
1729 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1731 $link_text = scale_external_images($link_text, true,
1732 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1734 if(strpos($parent_item['body'],$link_text) === false) {
1735 $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
1736 dbesc($link_text . $parent_item['body']),
1737 intval($parent_item['id']),
1738 intval($parent_item['uid'])
1748 function diaspora_like($importer,$xml,$msg) {
1751 $guid = notags(unxmlify($xml->guid));
1752 $parent_guid = notags(unxmlify($xml->parent_guid));
1753 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1754 $target_type = notags(unxmlify($xml->target_type));
1755 $positive = notags(unxmlify($xml->positive));
1756 $author_signature = notags(unxmlify($xml->author_signature));
1758 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1760 // likes on comments not supported here and likes on photos not supported by Diaspora
1762 // if($target_type !== 'Post')
1765 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1767 logger('diaspora_like: cannot find contact: ' . $msg['author']);
1771 if(! diaspora_post_allow($importer,$contact)) {
1772 logger('diaspora_like: Ignoring this author.');
1776 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1777 intval($importer['uid']),
1781 logger('diaspora_like: parent item not found: ' . $guid);
1785 $parent_item = $r[0];
1787 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1788 intval($importer['uid']),
1792 if($positive === 'true') {
1793 logger('diaspora_like: duplicate like: ' . $guid);
1796 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1797 // It looks like "RelayableRetractions" are used for "unlike" instead
1798 if($positive === 'false') {
1799 logger('diaspora_like: received a like with positive set to "false"...ignoring');
1800 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
1801 intval($r[0]['id']),
1802 intval($importer['uid'])
1804 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
1805 // send notification via proc_run()
1809 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1810 // It looks like "RelayableRetractions" are used for "unlike" instead
1811 if($positive === 'false') {
1812 logger('diaspora_like: received a like with positive set to "false"');
1813 logger('diaspora_like: unlike received with no corresponding like...ignoring');
1818 /* How Diaspora performs "like" signature checking:
1820 - If an item has been sent by the like author to the top-level post owner to relay on
1821 to the rest of the contacts on the top-level post, the top-level post owner should check
1822 the author_signature, then create a parent_author_signature before relaying the like on
1823 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1824 check only the parent_author_signature. Basically, they trust that the top-level post
1825 owner has already verified the authenticity of anything he/she sends out
1826 - In either case, the signature that get checked is the signature created by the person
1830 $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
1833 if($parent_author_signature) {
1834 // If a parent_author_signature exists, then we've received the like
1835 // relayed from the top-level post owner. There's no need to check the
1836 // author_signature if the parent_author_signature is valid
1838 $parent_author_signature = base64_decode($parent_author_signature);
1840 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1841 logger('diaspora_like: top-level owner verification failed.');
1846 // If there's no parent_author_signature, then we've received the like
1847 // from the like creator. In that case, the person is "like"ing
1848 // our post, so he/she must be a contact of ours and his/her public key
1849 // should be in $msg['key']
1851 $author_signature = base64_decode($author_signature);
1853 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1854 logger('diaspora_like: like creator verification failed.');
1859 // Phew! Everything checks out. Now create an item.
1861 // Find the original comment author information.
1862 // We need this to make sure we display the comment author
1863 // information (name and avatar) correctly.
1864 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1867 $person = find_diaspora_person_by_handle($diaspora_handle);
1869 if(! is_array($person)) {
1870 logger('diaspora_like: unable to find author details');
1875 $uri = $diaspora_handle . ':' . $guid;
1877 $activity = ACTIVITY_LIKE;
1878 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
1879 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
1880 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
1881 $body = $parent_item['body'];
1886 <type>$objtype</type>
1888 <id>{$parent_item['uri']}</id>
1891 <content>$body</content>
1894 $bodyverb = t('%1$s likes %2$s\'s %3$s');
1899 $arr['uid'] = $importer['uid'];
1900 $arr['guid'] = $guid;
1901 $arr['network'] = NETWORK_DIASPORA;
1902 $arr['contact-id'] = $contact['id'];
1903 $arr['type'] = 'activity';
1904 $arr['wall'] = $parent_item['wall'];
1905 $arr['gravity'] = GRAVITY_LIKE;
1906 $arr['parent'] = $parent_item['id'];
1907 $arr['parent-uri'] = $parent_item['uri'];
1909 $arr['owner-name'] = $parent_item['name'];
1910 $arr['owner-link'] = $parent_item['url'];
1911 //$arr['owner-avatar'] = $parent_item['thumb'];
1912 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
1914 $arr['author-name'] = $person['name'];
1915 $arr['author-link'] = $person['url'];
1916 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1918 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
1919 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
1920 $plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
1921 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
1923 $arr['app'] = 'Diaspora';
1925 $arr['private'] = $parent_item['private'];
1926 $arr['verb'] = $activity;
1927 $arr['object-type'] = $objtype;
1928 $arr['object'] = $obj;
1929 $arr['visible'] = 1;
1931 $arr['last-child'] = 0;
1933 $message_id = item_store($arr);
1937 q("update item set plink = '%s' where id = %d limit 1",
1938 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1943 if(! $parent_author_signature) {
1944 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1945 intval($message_id),
1946 dbesc($signed_data),
1947 dbesc(base64_encode($author_signature)),
1948 dbesc($diaspora_handle)
1952 // if the message isn't already being relayed, notify others
1953 // the existence of parent_author_signature means the parent_author or owner
1954 // is already relaying. The parent_item['origin'] indicates the message was created on our system
1956 if(($parent_item['origin']) && (! $parent_author_signature))
1957 proc_run('php','include/notifier.php','comment-import',$message_id);
1962 function diaspora_retraction($importer,$xml) {
1965 $guid = notags(unxmlify($xml->guid));
1966 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1967 $type = notags(unxmlify($xml->type));
1969 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1973 if($type === 'Person') {
1974 require_once('include/Contact.php');
1975 contact_remove($contact['id']);
1977 elseif($type === 'Post') {
1978 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
1980 intval($importer['uid'])
1983 if(link_compare($r[0]['author-link'],$contact['url'])) {
1984 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1",
1985 dbesc(datetime_convert()),
1996 function diaspora_signed_retraction($importer,$xml,$msg) {
1999 $guid = notags(unxmlify($xml->target_guid));
2000 $diaspora_handle = notags(unxmlify($xml->sender_handle));
2001 $type = notags(unxmlify($xml->target_type));
2002 $sig = notags(unxmlify($xml->target_author_signature));
2004 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
2006 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2008 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
2013 $signed_data = $guid . ';' . $type ;
2016 /* How Diaspora performs relayable_retraction signature checking:
2018 - If an item has been sent by the item author to the top-level post owner to relay on
2019 to the rest of the contacts on the top-level post, the top-level post owner checks
2020 the author_signature, then creates a parent_author_signature before relaying the item on
2021 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2022 check only the parent_author_signature. Basically, they trust that the top-level post
2023 owner has already verified the authenticity of anything he/she sends out
2024 - In either case, the signature that get checked is the signature created by the person
2028 if($parent_author_signature) {
2030 $parent_author_signature = base64_decode($parent_author_signature);
2032 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2033 logger('diaspora_signed_retraction: top-level post owner verification failed');
2040 $sig_decode = base64_decode($sig);
2042 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2043 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2048 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2049 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2051 intval($importer['uid'])
2054 if(link_compare($r[0]['author-link'],$contact['url'])) {
2055 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d limit 1",
2056 dbesc(datetime_convert()),
2057 dbesc(datetime_convert()),
2061 // Now check if the retraction needs to be relayed by us
2063 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2064 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2065 // The only item with `parent` and `id` as the parent id is the parent item.
2066 $p = q("select origin from item where parent = %d and id = %d limit 1",
2071 if(($p[0]['origin']) && (! $parent_author_signature)) {
2072 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2074 dbesc($signed_data),
2076 dbesc($diaspora_handle)
2079 // the existence of parent_author_signature would have meant the parent_author or owner
2080 // is already relaying.
2081 logger('diaspora_signed_retraction: relaying relayable_retraction');
2083 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2090 logger('diaspora_signed_retraction: unknown type: ' . $type);
2096 function diaspora_profile($importer,$xml,$msg) {
2099 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2102 if($diaspora_handle != $msg['author']) {
2103 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2107 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2111 if($contact['blocked']) {
2112 logger('diaspora_post: Ignoring this author.');
2116 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2117 $image_url = unxmlify($xml->image_url);
2118 $birthday = unxmlify($xml->birthday);
2121 $handle_parts = explode("@", $diaspora_handle);
2123 $name = $handle_parts[0];
2127 if( preg_match("|^https?://|", $image_url) === 0) {
2128 $image_url = "http://" . $handle_parts[1] . $image_url;
2131 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2132 intval($importer['uid']),
2133 intval($contact['id'])
2135 $oldphotos = ((count($r)) ? $r : null);*/
2137 require_once('include/Photo.php');
2139 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2141 // Generic birthday. We don't know the timezone. The year is irrelevant.
2143 $birthday = str_replace('1000','1901',$birthday);
2145 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2147 // this is to prevent multiple birthday notifications in a single year
2148 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2150 if(substr($birthday,5) === substr($contact['bd'],5))
2151 $birthday = $contact['bd'];
2153 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2154 // Not doing this currently because D* protocol is scheduled for revision soon.
2156 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
2158 dbesc(datetime_convert()),
2162 dbesc(datetime_convert()),
2164 intval($contact['id']),
2165 intval($importer['uid'])
2170 foreach($oldphotos as $ph) {
2171 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2172 intval($importer['uid']),
2173 intval($contact['id']),
2174 dbesc($ph['resource-id'])
2184 function diaspora_share($me,$contact) {
2186 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2187 $theiraddr = $contact['addr'];
2189 $tpl = get_markup_template('diaspora_share.tpl');
2190 $msg = replace_macros($tpl, array(
2191 '$sender' => $myaddr,
2192 '$recipient' => $theiraddr
2195 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2196 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2198 return(diaspora_transmit($owner,$contact,$slap, false));
2201 function diaspora_unshare($me,$contact) {
2204 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2206 $tpl = get_markup_template('diaspora_retract.tpl');
2207 $msg = replace_macros($tpl, array(
2208 '$guid' => $me['guid'],
2209 '$type' => 'Person',
2210 '$handle' => $myaddr
2213 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2214 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2216 return(diaspora_transmit($owner,$contact,$slap, false));
2221 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2224 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2225 $theiraddr = $contact['addr'];
2229 $title = $item['title'];
2230 $body = $item['body'];
2233 // We're trying to match Diaspora's split message/photo protocol but
2234 // all the photos are displayed on D* as links and not img's - even
2235 // though we're sending pretty much precisely what they send us when
2236 // doing the same operation.
2237 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2238 // which seems to get through intact.
2240 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2242 foreach($matches as $mtch) {
2244 $detail['str'] = $mtch[0];
2245 $detail['path'] = dirname($mtch[1]) . '/';
2246 $detail['file'] = basename($mtch[1]);
2247 $detail['guid'] = $item['guid'];
2248 $detail['handle'] = $myaddr;
2249 $images[] = $detail;
2250 $body = str_replace($detail['str'],$mtch[1],$body);
2255 //if(strlen($title))
2256 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2258 // convert to markdown
2259 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2260 //$body = bb2diaspora($body);
2264 $body = "## ".html_entity_decode($title)."\n\n".$body;
2266 if($item['attach']) {
2267 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2269 $body .= "\n" . t('Attachments:') . "\n";
2270 foreach($matches as $mtch) {
2271 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2277 $public = (($item['private']) ? 'false' : 'true');
2279 require_once('include/datetime.php');
2280 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2282 $tpl = get_markup_template('diaspora_post.tpl');
2283 $msg = replace_macros($tpl, array(
2285 '$guid' => $item['guid'],
2286 '$handle' => xmlify($myaddr),
2287 '$public' => $public,
2288 '$created' => $created
2291 logger('diaspora_send_status: ' . $owner['username'] . ' -> ' . $contact['name'] . ' base message: ' . $msg, LOGGER_DATA);
2293 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2294 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2296 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2298 if(count($images)) {
2299 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2302 return $return_code;
2306 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2308 if(! count($images))
2310 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2312 $tpl = get_markup_template('diaspora_photo.tpl');
2313 foreach($images as $image) {
2314 if(! stristr($image['path'],$mysite))
2316 $resource = str_replace('.jpg','',$image['file']);
2317 $resource = substr($resource,0,strpos($resource,'-'));
2319 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2321 intval($owner['uid'])
2325 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2326 $msg = replace_macros($tpl,array(
2327 '$path' => xmlify($image['path']),
2328 '$filename' => xmlify($image['file']),
2329 '$msg_guid' => xmlify($image['guid']),
2330 '$guid' => xmlify($r[0]['guid']),
2331 '$handle' => xmlify($image['handle']),
2332 '$public' => xmlify($public),
2333 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2337 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2338 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2339 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2341 diaspora_transmit($owner,$contact,$slap,$public_batch);
2346 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2349 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2350 // $theiraddr = $contact['addr'];
2352 // Diaspora doesn't support threaded comments, but some
2353 // versions of Diaspora (i.e. Diaspora-pistos) support
2354 // likes on comments
2355 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2356 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2357 dbesc($item['thr-parent'])
2361 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2362 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2363 // The only item with `parent` and `id` as the parent id is the parent item.
2364 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2365 intval($item['parent']),
2366 intval($item['parent'])
2374 if($item['verb'] === ACTIVITY_LIKE) {
2375 $tpl = get_markup_template('diaspora_like.tpl');
2377 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2378 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2379 // $positive = (($item['deleted']) ? 'false' : 'true');
2382 if(($item['deleted']))
2383 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2386 $tpl = get_markup_template('diaspora_comment.tpl');
2390 $text = html_entity_decode(bb2diaspora($item['body']));
2395 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2397 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2399 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2401 $msg = replace_macros($tpl,array(
2402 '$guid' => xmlify($item['guid']),
2403 '$parent_guid' => xmlify($parent['guid']),
2404 '$target_type' =>xmlify($target_type),
2405 '$authorsig' => xmlify($authorsig),
2406 '$body' => xmlify($text),
2407 '$positive' => xmlify($positive),
2408 '$handle' => xmlify($myaddr)
2411 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2413 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2414 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2416 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2420 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2424 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2425 // $theiraddr = $contact['addr'];
2427 $body = $item['body'];
2428 $text = html_entity_decode(bb2diaspora($body));
2430 // Diaspora doesn't support threaded comments, but some
2431 // versions of Diaspora (i.e. Diaspora-pistos) support
2432 // likes on comments
2433 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2434 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2435 dbesc($item['thr-parent'])
2439 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2440 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2441 // The only item with `parent` and `id` as the parent id is the parent item.
2442 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2443 intval($item['parent']),
2444 intval($item['parent'])
2453 $relay_retract = false;
2454 $sql_sign_id = 'iid';
2455 if( $item['deleted']) {
2456 $relay_retract = true;
2458 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2460 $sql_sign_id = 'retract_iid';
2461 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2463 elseif($item['verb'] === ACTIVITY_LIKE) {
2466 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2467 // $positive = (($item['deleted']) ? 'false' : 'true');
2470 $tpl = get_markup_template('diaspora_like_relay.tpl');
2472 else { // item is a comment
2473 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2477 // fetch the original signature if the relayable was created by a Diaspora
2478 // or DFRN user. Relayables for other networks are not supported.
2480 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2485 $signed_text = $orig_sign['signed_text'];
2486 $authorsig = $orig_sign['signature'];
2487 $handle = $orig_sign['signer'];
2491 // Author signature information (for likes, comments, and retractions of likes or comments,
2492 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2493 // function is called
2494 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2498 /* Since the author signature is only checked by the parent, not by the relay recipients,
2499 * I think it may not be necessary for us to do so much work to preserve all the original
2500 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2501 * Let's just generate that and forget about all the original author signature stuff.
2503 * Note: this might be more of an problem if we want to support likes on comments for older
2504 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2505 * doing that, let's ignore it for now.
2507 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2511 $handle = diaspora_handle_from_contact($item['contact-id']);
2517 $sender_signed_text = $item['guid'] . ';' . $target_type;
2519 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2521 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2523 // Sign the relayable with the top-level owner's signature
2525 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2526 // stored in the database, because that provides the best chance that Diaspora will
2527 // be able to reconstruct the signed text the same way we did. This is particularly a
2528 // concern for the comment, whose signed text includes the text of the comment. The
2529 // smallest change in the text of the comment, including removing whitespace, will
2530 // make the signature verification fail. Since we translate from BB code to Diaspora's
2531 // markup at the top of this function, which is AFTER we placed the original $signed_text
2532 // in the database, it's hazardous to trust the original $signed_text.
2534 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2536 $msg = replace_macros($tpl,array(
2537 '$guid' => xmlify($item['guid']),
2538 '$parent_guid' => xmlify($parent['guid']),
2539 '$target_type' =>xmlify($target_type),
2540 '$authorsig' => xmlify($authorsig),
2541 '$parentsig' => xmlify($parentauthorsig),
2542 '$body' => xmlify($text),
2543 '$positive' => xmlify($positive),
2544 '$handle' => xmlify($handle)
2547 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2550 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2551 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2553 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2559 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2562 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2564 // Check whether the retraction is for a top-level post or whether it's a relayable
2565 if( $item['uri'] !== $item['parent-uri'] ) {
2567 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2568 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2572 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2573 $target_type = 'StatusMessage';
2576 $signed_text = $item['guid'] . ';' . $target_type;
2578 $msg = replace_macros($tpl, array(
2579 '$guid' => xmlify($item['guid']),
2580 '$type' => xmlify($target_type),
2581 '$handle' => xmlify($myaddr),
2582 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2585 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2586 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2588 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2591 function diaspora_send_mail($item,$owner,$contact) {
2594 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2596 $r = q("select * from conv where id = %d and uid = %d limit 1",
2597 intval($item['convid']),
2598 intval($item['uid'])
2602 logger('diaspora_send_mail: conversation not found.');
2608 'guid' => xmlify($cnv['guid']),
2609 'subject' => xmlify($cnv['subject']),
2610 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2611 'diaspora_handle' => xmlify($cnv['creator']),
2612 'participant_handles' => xmlify($cnv['recips'])
2615 $body = bb2diaspora($item['body']);
2616 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2618 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
2619 . $created . ';' . $myaddr . ';' . $cnv['guid'];
2621 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2624 'guid' => xmlify($item['guid']),
2625 'parent_guid' => xmlify($cnv['guid']),
2626 'parent_author_signature' => (($item['reply']) ? null : xmlify($sig)),
2627 'author_signature' => xmlify($sig),
2628 'text' => xmlify($body),
2629 'created_at' => xmlify($created),
2630 'diaspora_handle' => xmlify($myaddr),
2631 'conversation_guid' => xmlify($cnv['guid'])
2634 if($item['reply']) {
2635 $tpl = get_markup_template('diaspora_message.tpl');
2636 $xmsg = replace_macros($tpl, array('$msg' => $msg));
2639 $conv['messages'] = array($msg);
2640 $tpl = get_markup_template('diaspora_conversation.tpl');
2641 $xmsg = replace_macros($tpl, array('$conv' => $conv));
2644 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
2646 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
2647 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
2649 return(diaspora_transmit($owner,$contact,$slap,false));
2654 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
2656 $enabled = intval(get_config('system','diaspora_enabled'));
2662 $logid = random_string(4);
2663 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
2665 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
2669 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
2671 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
2675 if (!intval(get_config('system','diaspora_test'))) {
2676 post_url($dest_url . '/', $slap);
2677 $return_code = $a->get_curl_code();
2679 logger('diaspora_transmit: test_mode');
2684 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
2686 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
2687 logger('diaspora_transmit: queue message');
2689 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
2690 intval($contact['id']),
2691 dbesc(NETWORK_DIASPORA),
2693 intval($public_batch)
2696 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
2699 // queue message for redelivery
2700 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
2705 return(($return_code) ? $return_code : (-1));