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,$contact) {
757 if(($contact['blocked']) || ($contact['readonly']) || ($contact['archive']))
759 if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
761 if($contact['rel'] == CONTACT_IS_FOLLOWER)
762 if($importer['page-flags'] == PAGE_COMMUNITY)
768 function diaspora_post($importer,$xml,$msg) {
771 $guid = notags(unxmlify($xml->guid));
772 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
774 if($diaspora_handle != $msg['author']) {
775 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
779 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
783 if(! diaspora_post_allow($importer,$contact)) {
784 logger('diaspora_post: Ignoring this author.');
788 $message_id = $diaspora_handle . ':' . $guid;
789 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
790 intval($importer['uid']),
795 logger('diaspora_post: message exists: ' . $guid);
799 // allocate a guid on our system - we aren't fixing any collisions.
800 // we're ignoring them
802 $g = q("select * from guid where guid = '%s' limit 1",
806 q("insert into guid ( guid ) values ( '%s' )",
811 $created = unxmlify($xml->created_at);
812 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
814 $body = diaspora2bb($xml->raw_message);
820 $tags = get_tags($body);
823 foreach($tags as $tag) {
824 if(strpos($tag,'#') === 0) {
825 if(strpos($tag,'[url='))
828 // don't link tags that are already embedded in links
830 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
832 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
835 $basetag = str_replace('_',' ',substr($tag,1));
836 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
837 if(strlen($str_tags))
839 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
845 $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
847 foreach($matches as $mtch) {
848 if(strlen($str_tags))
850 $str_tags .= '@[url=' . $mtch[1] . '[/url]';
854 $datarray['uid'] = $importer['uid'];
855 $datarray['contact-id'] = $contact['id'];
856 $datarray['wall'] = 0;
857 $datarray['guid'] = $guid;
858 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
859 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
860 $datarray['private'] = $private;
861 $datarray['parent'] = 0;
862 $datarray['owner-name'] = $contact['name'];
863 $datarray['owner-link'] = $contact['url'];
864 //$datarray['owner-avatar'] = $contact['thumb'];
865 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
866 $datarray['author-name'] = $contact['name'];
867 $datarray['author-link'] = $contact['url'];
868 $datarray['author-avatar'] = $contact['thumb'];
869 $datarray['body'] = $body;
870 $datarray['tag'] = $str_tags;
871 $datarray['app'] = 'Diaspora';
873 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
875 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
877 $message_id = item_store($datarray);
880 q("update item set plink = '%s' where id = %d limit 1",
881 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
890 function diaspora_reshare($importer,$xml,$msg) {
892 logger('diaspora_reshare: init: ' . print_r($xml,true));
895 $guid = notags(unxmlify($xml->guid));
896 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
899 if($diaspora_handle != $msg['author']) {
900 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
904 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
908 if(! diaspora_post_allow($importer,$contact)) {
909 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
913 $message_id = $diaspora_handle . ':' . $guid;
914 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
915 intval($importer['uid']),
920 logger('diaspora_reshare: message exists: ' . $guid);
924 $orig_author = notags(unxmlify($xml->root_diaspora_id));
925 $orig_guid = notags(unxmlify($xml->root_guid));
927 $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml';
928 $orig_url = 'https://'.substr($orig_author,strpos($orig_author,'@')+1).'/posts/'.$orig_guid;
929 $x = fetch_url($source_url);
931 $x = fetch_url(str_replace('https://','http://',$source_url));
933 logger('diaspora_reshare: unable to fetch source url ' . $source_url);
936 logger('diaspora_reshare: source: ' . $x);
938 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
939 $source_xml = parse_xml_string($x,false);
941 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
942 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
943 $body = scale_external_images($body,false);
945 elseif($source_xml->post->asphoto->image_url) {
946 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
947 $body = scale_external_images($body);
949 elseif($source_xml->post->status_message) {
950 $body = diaspora2bb($source_xml->post->status_message->raw_message);
951 $body = scale_external_images($body);
955 logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true));
959 logger('diaspora_reshare: empty body: source= ' . $x);
963 $person = find_diaspora_person_by_handle($orig_author);
965 /*if(is_array($person) && x($person,'name') && x($person,'url'))
966 $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]';
968 $details = $orig_author;
970 $prefix = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $details . "\n";*/
973 // allocate a guid on our system - we aren't fixing any collisions.
974 // we're ignoring them
976 $g = q("select * from guid where guid = '%s' limit 1",
980 q("insert into guid ( guid ) values ( '%s' )",
985 $created = unxmlify($xml->created_at);
986 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
992 $tags = get_tags($body);
995 foreach($tags as $tag) {
996 if(strpos($tag,'#') === 0) {
997 if(strpos($tag,'[url='))
1000 // don't link tags that are already embedded in links
1002 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1004 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1008 $basetag = str_replace('_',' ',substr($tag,1));
1009 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1010 if(strlen($str_tags))
1012 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1018 $datarray['uid'] = $importer['uid'];
1019 $datarray['contact-id'] = $contact['id'];
1020 $datarray['wall'] = 0;
1021 $datarray['guid'] = $guid;
1022 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1023 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1024 $datarray['private'] = $private;
1025 $datarray['parent'] = 0;
1026 $datarray['owner-name'] = $contact['name'];
1027 $datarray['owner-link'] = $contact['url'];
1028 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1029 if (intval(get_config('system','new_share'))) {
1030 $prefix = "[share author='".str_replace("'", "'",$person['name']).
1031 "' profile='".$person['url'].
1032 "' avatar='".((x($person,'thumb')) ? $person['thumb'] : $person['photo']).
1033 "' link='".$orig_url."']";
1034 $datarray['author-name'] = $contact['name'];
1035 $datarray['author-link'] = $contact['url'];
1036 $datarray['author-avatar'] = $contact['thumb'];
1037 $datarray['body'] = $prefix.$body."[/share]";
1039 // Let reshared messages look like wall-to-wall posts
1040 $datarray['author-name'] = $person['name'];
1041 $datarray['author-link'] = $person['url'];
1042 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1043 $datarray['body'] = $body;
1046 $datarray['tag'] = $str_tags;
1047 $datarray['app'] = 'Diaspora';
1049 $message_id = item_store($datarray);
1052 q("update item set plink = '%s' where id = %d limit 1",
1053 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1063 function diaspora_asphoto($importer,$xml,$msg) {
1064 logger('diaspora_asphoto called');
1067 $guid = notags(unxmlify($xml->guid));
1068 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1070 if($diaspora_handle != $msg['author']) {
1071 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
1075 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1079 if(! diaspora_post_allow($importer,$contact)) {
1080 logger('diaspora_asphoto: Ignoring this author.');
1084 $message_id = $diaspora_handle . ':' . $guid;
1085 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
1086 intval($importer['uid']),
1091 logger('diaspora_asphoto: message exists: ' . $guid);
1095 // allocate a guid on our system - we aren't fixing any collisions.
1096 // we're ignoring them
1098 $g = q("select * from guid where guid = '%s' limit 1",
1102 q("insert into guid ( guid ) values ( '%s' )",
1107 $created = unxmlify($xml->created_at);
1108 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
1110 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
1111 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
1112 $body = scale_external_images($body,false);
1114 elseif($xml->image_url) {
1115 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
1116 $body = scale_external_images($body);
1119 logger('diaspora_asphoto: no photo url found.');
1123 $datarray = array();
1126 $datarray['uid'] = $importer['uid'];
1127 $datarray['contact-id'] = $contact['id'];
1128 $datarray['wall'] = 0;
1129 $datarray['guid'] = $guid;
1130 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
1131 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
1132 $datarray['private'] = $private;
1133 $datarray['parent'] = 0;
1134 $datarray['owner-name'] = $contact['name'];
1135 $datarray['owner-link'] = $contact['url'];
1136 //$datarray['owner-avatar'] = $contact['thumb'];
1137 $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']);
1138 $datarray['author-name'] = $contact['name'];
1139 $datarray['author-link'] = $contact['url'];
1140 $datarray['author-avatar'] = $contact['thumb'];
1141 $datarray['body'] = $body;
1143 $datarray['app'] = 'Diaspora/Cubbi.es';
1145 $message_id = item_store($datarray);
1148 q("update item set plink = '%s' where id = %d limit 1",
1149 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1163 function diaspora_comment($importer,$xml,$msg) {
1166 $guid = notags(unxmlify($xml->guid));
1167 $parent_guid = notags(unxmlify($xml->parent_guid));
1168 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1169 $target_type = notags(unxmlify($xml->target_type));
1170 $text = unxmlify($xml->text);
1171 $author_signature = notags(unxmlify($xml->author_signature));
1173 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1175 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1177 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
1181 if(! diaspora_post_allow($importer,$contact)) {
1182 logger('diaspora_comment: Ignoring this author.');
1186 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1187 intval($importer['uid']),
1191 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
1195 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1196 intval($importer['uid']),
1200 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1203 $parent_item = $r[0];
1206 /* How Diaspora performs comment signature checking:
1208 - If an item has been sent by the comment author to the top-level post owner to relay on
1209 to the rest of the contacts on the top-level post, the top-level post owner should check
1210 the author_signature, then create a parent_author_signature before relaying the comment on
1211 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1212 check only the parent_author_signature. Basically, they trust that the top-level post
1213 owner has already verified the authenticity of anything he/she sends out
1214 - In either case, the signature that get checked is the signature created by the person
1218 $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
1221 if($parent_author_signature) {
1222 // If a parent_author_signature exists, then we've received the comment
1223 // relayed from the top-level post owner. There's no need to check the
1224 // author_signature if the parent_author_signature is valid
1226 $parent_author_signature = base64_decode($parent_author_signature);
1228 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1229 logger('diaspora_comment: top-level owner verification failed.');
1234 // If there's no parent_author_signature, then we've received the comment
1235 // from the comment creator. In that case, the person is commenting on
1236 // our post, so he/she must be a contact of ours and his/her public key
1237 // should be in $msg['key']
1239 $author_signature = base64_decode($author_signature);
1241 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1242 logger('diaspora_comment: comment author verification failed.');
1247 // Phew! Everything checks out. Now create an item.
1249 // Find the original comment author information.
1250 // We need this to make sure we display the comment author
1251 // information (name and avatar) correctly.
1252 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1255 $person = find_diaspora_person_by_handle($diaspora_handle);
1257 if(! is_array($person)) {
1258 logger('diaspora_comment: unable to find author details');
1263 $body = diaspora2bb($text);
1265 $message_id = $diaspora_handle . ':' . $guid;
1267 $datarray = array();
1271 $tags = get_tags($body);
1274 foreach($tags as $tag) {
1275 if(strpos($tag,'#') === 0) {
1276 if(strpos($tag,'[url='))
1279 // don't link tags that are already embedded in links
1281 if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
1283 if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
1287 $basetag = str_replace('_',' ',substr($tag,1));
1288 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
1289 if(strlen($str_tags))
1291 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1297 $datarray['uid'] = $importer['uid'];
1298 $datarray['contact-id'] = $contact['id'];
1299 $datarray['type'] = 'remote-comment';
1300 $datarray['wall'] = $parent_item['wall'];
1301 $datarray['gravity'] = GRAVITY_COMMENT;
1302 $datarray['guid'] = $guid;
1303 $datarray['uri'] = $message_id;
1304 $datarray['parent-uri'] = $parent_item['uri'];
1306 // No timestamps for comments? OK, we'll the use current time.
1307 $datarray['created'] = $datarray['edited'] = datetime_convert();
1308 $datarray['private'] = $parent_item['private'];
1310 $datarray['owner-name'] = $parent_item['owner-name'];
1311 $datarray['owner-link'] = $parent_item['owner-link'];
1312 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
1314 $datarray['author-name'] = $person['name'];
1315 $datarray['author-link'] = $person['url'];
1316 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1317 $datarray['body'] = $body;
1318 $datarray['tag'] = $str_tags;
1320 // We can't be certain what the original app is if the message is relayed.
1321 if(($parent_item['origin']) && (! $parent_author_signature))
1322 $datarray['app'] = 'Diaspora';
1324 $message_id = item_store($datarray);
1327 q("update item set plink = '%s' where id = %d limit 1",
1328 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1333 if(($parent_item['origin']) && (! $parent_author_signature)) {
1334 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1335 intval($message_id),
1336 dbesc($signed_data),
1337 dbesc(base64_encode($author_signature)),
1338 dbesc($diaspora_handle)
1341 // if the message isn't already being relayed, notify others
1342 // the existence of parent_author_signature means the parent_author or owner
1343 // is already relaying.
1345 proc_run('php','include/notifier.php','comment-import',$message_id);
1348 $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
1349 dbesc($parent_item['uri']),
1350 intval($importer['uid'])
1353 if(count($myconv)) {
1354 $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
1356 foreach($myconv as $conv) {
1358 // now if we find a match, it means we're in this conversation
1360 if(! link_compare($conv['author-link'],$importer_url))
1363 require_once('include/enotify.php');
1365 $conv_parent = $conv['parent'];
1368 'type' => NOTIFY_COMMENT,
1369 'notify_flags' => $importer['notify-flags'],
1370 'language' => $importer['language'],
1371 'to_name' => $importer['username'],
1372 'to_email' => $importer['email'],
1373 'uid' => $importer['uid'],
1374 'item' => $datarray,
1375 'link' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id,
1376 'source_name' => $datarray['author-name'],
1377 'source_link' => $datarray['author-link'],
1378 'source_photo' => $datarray['author-avatar'],
1379 'verb' => ACTIVITY_POST,
1381 'parent' => $conv_parent,
1382 'parent_uri' => $parent_uri
1385 // only send one notification
1395 function diaspora_conversation($importer,$xml,$msg) {
1399 $guid = notags(unxmlify($xml->guid));
1400 $subject = notags(unxmlify($xml->subject));
1401 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1402 $participant_handles = notags(unxmlify($xml->participant_handles));
1403 $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1405 $parent_uri = $diaspora_handle . ':' . $guid;
1407 $messages = $xml->message;
1409 if(! count($messages)) {
1410 logger('diaspora_conversation: empty conversation');
1414 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1416 logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
1420 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1421 logger('diaspora_conversation: Ignoring this author.');
1425 $conversation = null;
1427 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1428 intval($importer['uid']),
1432 $conversation = $c[0];
1434 $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
1435 intval($importer['uid']),
1437 dbesc($diaspora_handle),
1438 dbesc(datetime_convert('UTC','UTC',$created_at)),
1439 dbesc(datetime_convert()),
1441 dbesc($participant_handles)
1444 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1445 intval($importer['uid']),
1449 $conversation = $c[0];
1451 if(! $conversation) {
1452 logger('diaspora_conversation: unable to create conversation.');
1456 foreach($messages as $mesg) {
1460 $msg_guid = notags(unxmlify($mesg->guid));
1461 $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
1462 $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
1463 $msg_author_signature = notags(unxmlify($mesg->author_signature));
1464 $msg_text = unxmlify($mesg->text);
1465 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
1466 $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
1467 $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
1468 if($msg_conversation_guid != $guid) {
1469 logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
1473 $body = diaspora2bb($msg_text);
1474 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1476 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1478 $author_signature = base64_decode($msg_author_signature);
1480 if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
1485 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1487 if(is_array($person) && x($person,'pubkey'))
1488 $key = $person['pubkey'];
1490 logger('diaspora_conversation: unable to find author details');
1495 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1496 logger('diaspora_conversation: verification failed.');
1500 if($msg_parent_author_signature) {
1501 $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1503 $parent_author_signature = base64_decode($msg_parent_author_signature);
1507 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1508 logger('diaspora_conversation: owner verification failed.');
1513 $r = q("select id from mail where `uri` = '%s' limit 1",
1517 logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
1521 q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
1522 intval($importer['uid']),
1524 intval($conversation['id']),
1525 dbesc($person['name']),
1526 dbesc($person['photo']),
1527 dbesc($person['url']),
1528 intval($contact['id']),
1535 dbesc($msg_created_at)
1538 q("update conv set updated = '%s' where id = %d limit 1",
1539 dbesc(datetime_convert()),
1540 intval($conversation['id'])
1543 require_once('include/enotify.php');
1545 'type' => NOTIFY_MAIL,
1546 'notify_flags' => $importer['notify-flags'],
1547 'language' => $importer['language'],
1548 'to_name' => $importer['username'],
1549 'to_email' => $importer['email'],
1550 'uid' =>$importer['importer_uid'],
1551 'item' => array('subject' => $subject, 'body' => $body),
1552 'source_name' => $person['name'],
1553 'source_link' => $person['url'],
1554 'source_photo' => $person['thumb'],
1555 'verb' => ACTIVITY_POST,
1563 function diaspora_message($importer,$xml,$msg) {
1567 $msg_guid = notags(unxmlify($xml->guid));
1568 $msg_parent_guid = notags(unxmlify($xml->parent_guid));
1569 $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
1570 $msg_author_signature = notags(unxmlify($xml->author_signature));
1571 $msg_text = unxmlify($xml->text);
1572 $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
1573 $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1574 $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
1576 $parent_uri = $diaspora_handle . ':' . $msg_parent_guid;
1578 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
1580 logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
1584 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1585 logger('diaspora_message: Ignoring this author.');
1589 $conversation = null;
1591 $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
1592 intval($importer['uid']),
1593 dbesc($msg_conversation_guid)
1596 $conversation = $c[0];
1598 logger('diaspora_message: conversation not available.');
1604 $body = diaspora2bb($msg_text);
1605 $message_id = $msg_diaspora_handle . ':' . $msg_guid;
1607 $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
1610 $author_signature = base64_decode($msg_author_signature);
1612 $person = find_diaspora_person_by_handle($msg_diaspora_handle);
1613 if(is_array($person) && x($person,'pubkey'))
1614 $key = $person['pubkey'];
1616 logger('diaspora_message: unable to find author details');
1620 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1621 logger('diaspora_message: verification failed.');
1625 $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
1627 intval($importer['uid'])
1630 logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
1634 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')",
1635 intval($importer['uid']),
1637 intval($conversation['id']),
1638 dbesc($person['name']),
1639 dbesc($person['photo']),
1640 dbesc($person['url']),
1641 intval($contact['id']),
1642 dbesc($conversation['subject']),
1648 dbesc($msg_created_at)
1651 q("update conv set updated = '%s' where id = %d limit 1",
1652 dbesc(datetime_convert()),
1653 intval($conversation['id'])
1660 function diaspora_photo($importer,$xml,$msg,$attempt=1) {
1664 logger('diaspora_photo: init',LOGGER_DEBUG);
1666 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
1668 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1670 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1672 $guid = notags(unxmlify($xml->guid));
1674 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1676 $public = notags(unxmlify($xml->public));
1678 $created_at = notags(unxmlify($xml_created_at));
1680 logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
1682 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1684 logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
1688 if(! diaspora_post_allow($importer,$contact)) {
1689 logger('diaspora_photo: Ignoring this author.');
1693 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1694 intval($importer['uid']),
1695 dbesc($status_message_guid)
1699 q("INSERT INTO dsprphotoq (uid, msg, attempt) VALUES (%d, '%s', %d)",
1700 intval($importer['uid']),
1701 dbesc(serialize($msg)),
1702 intval($attempt + 1)
1705 logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $guid);
1709 $parent_item = $r[0];
1711 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1713 $link_text = scale_external_images($link_text, true,
1714 array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
1716 if(strpos($parent_item['body'],$link_text) === false) {
1717 $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
1718 dbesc($link_text . $parent_item['body']),
1719 intval($parent_item['id']),
1720 intval($parent_item['uid'])
1730 function diaspora_like($importer,$xml,$msg) {
1733 $guid = notags(unxmlify($xml->guid));
1734 $parent_guid = notags(unxmlify($xml->parent_guid));
1735 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1736 $target_type = notags(unxmlify($xml->target_type));
1737 $positive = notags(unxmlify($xml->positive));
1738 $author_signature = notags(unxmlify($xml->author_signature));
1740 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1742 // likes on comments not supported here and likes on photos not supported by Diaspora
1744 // if($target_type !== 'Post')
1747 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1749 logger('diaspora_like: cannot find contact: ' . $msg['author']);
1753 if(! diaspora_post_allow($importer,$contact)) {
1754 logger('diaspora_like: Ignoring this author.');
1758 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1759 intval($importer['uid']),
1763 logger('diaspora_like: parent item not found: ' . $guid);
1767 $parent_item = $r[0];
1769 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1770 intval($importer['uid']),
1774 if($positive === 'true') {
1775 logger('diaspora_like: duplicate like: ' . $guid);
1778 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1779 // It looks like "RelayableRetractions" are used for "unlike" instead
1780 if($positive === 'false') {
1781 logger('diaspora_like: received a like with positive set to "false"...ignoring');
1782 /* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
1783 intval($r[0]['id']),
1784 intval($importer['uid'])
1786 // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
1787 // send notification via proc_run()
1791 // Note: I don't think "Like" objects with positive = "false" are ever actually used
1792 // It looks like "RelayableRetractions" are used for "unlike" instead
1793 if($positive === 'false') {
1794 logger('diaspora_like: received a like with positive set to "false"');
1795 logger('diaspora_like: unlike received with no corresponding like...ignoring');
1800 /* How Diaspora performs "like" signature checking:
1802 - If an item has been sent by the like author to the top-level post owner to relay on
1803 to the rest of the contacts on the top-level post, the top-level post owner should check
1804 the author_signature, then create a parent_author_signature before relaying the like on
1805 - If an item has been relayed on by the top-level post owner, the contacts who receive it
1806 check only the parent_author_signature. Basically, they trust that the top-level post
1807 owner has already verified the authenticity of anything he/she sends out
1808 - In either case, the signature that get checked is the signature created by the person
1812 $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
1815 if($parent_author_signature) {
1816 // If a parent_author_signature exists, then we've received the like
1817 // relayed from the top-level post owner. There's no need to check the
1818 // author_signature if the parent_author_signature is valid
1820 $parent_author_signature = base64_decode($parent_author_signature);
1822 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
1823 logger('diaspora_like: top-level owner verification failed.');
1828 // If there's no parent_author_signature, then we've received the like
1829 // from the like creator. In that case, the person is "like"ing
1830 // our post, so he/she must be a contact of ours and his/her public key
1831 // should be in $msg['key']
1833 $author_signature = base64_decode($author_signature);
1835 if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
1836 logger('diaspora_like: like creator verification failed.');
1841 // Phew! Everything checks out. Now create an item.
1843 // Find the original comment author information.
1844 // We need this to make sure we display the comment author
1845 // information (name and avatar) correctly.
1846 if(strcasecmp($diaspora_handle,$msg['author']) == 0)
1849 $person = find_diaspora_person_by_handle($diaspora_handle);
1851 if(! is_array($person)) {
1852 logger('diaspora_like: unable to find author details');
1857 $uri = $diaspora_handle . ':' . $guid;
1859 $activity = ACTIVITY_LIKE;
1860 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
1861 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
1862 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
1863 $body = $parent_item['body'];
1868 <type>$objtype</type>
1870 <id>{$parent_item['uri']}</id>
1873 <content>$body</content>
1876 $bodyverb = t('%1$s likes %2$s\'s %3$s');
1881 $arr['uid'] = $importer['uid'];
1882 $arr['guid'] = $guid;
1883 $arr['contact-id'] = $contact['id'];
1884 $arr['type'] = 'activity';
1885 $arr['wall'] = $parent_item['wall'];
1886 $arr['gravity'] = GRAVITY_LIKE;
1887 $arr['parent'] = $parent_item['id'];
1888 $arr['parent-uri'] = $parent_item['uri'];
1890 $arr['owner-name'] = $parent_item['name'];
1891 $arr['owner-link'] = $parent_item['url'];
1892 //$arr['owner-avatar'] = $parent_item['thumb'];
1893 $arr['owner-avatar'] = ((x($parent_item,'thumb')) ? $parent_item['thumb'] : $parent_item['photo']);
1895 $arr['author-name'] = $person['name'];
1896 $arr['author-link'] = $person['url'];
1897 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1899 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
1900 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
1901 $plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
1902 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
1904 $arr['app'] = 'Diaspora';
1906 $arr['private'] = $parent_item['private'];
1907 $arr['verb'] = $activity;
1908 $arr['object-type'] = $objtype;
1909 $arr['object'] = $obj;
1910 $arr['visible'] = 1;
1912 $arr['last-child'] = 0;
1914 $message_id = item_store($arr);
1918 q("update item set plink = '%s' where id = %d limit 1",
1919 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1924 if(! $parent_author_signature) {
1925 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1926 intval($message_id),
1927 dbesc($signed_data),
1928 dbesc(base64_encode($author_signature)),
1929 dbesc($diaspora_handle)
1933 // if the message isn't already being relayed, notify others
1934 // the existence of parent_author_signature means the parent_author or owner
1935 // is already relaying. The parent_item['origin'] indicates the message was created on our system
1937 if(($parent_item['origin']) && (! $parent_author_signature))
1938 proc_run('php','include/notifier.php','comment-import',$message_id);
1943 function diaspora_retraction($importer,$xml) {
1946 $guid = notags(unxmlify($xml->guid));
1947 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1948 $type = notags(unxmlify($xml->type));
1950 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1954 if($type === 'Person') {
1955 require_once('include/Contact.php');
1956 contact_remove($contact['id']);
1958 elseif($type === 'Post') {
1959 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
1961 intval($importer['uid'])
1964 if(link_compare($r[0]['author-link'],$contact['url'])) {
1965 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1",
1966 dbesc(datetime_convert()),
1977 function diaspora_signed_retraction($importer,$xml,$msg) {
1980 $guid = notags(unxmlify($xml->target_guid));
1981 $diaspora_handle = notags(unxmlify($xml->sender_handle));
1982 $type = notags(unxmlify($xml->target_type));
1983 $sig = notags(unxmlify($xml->target_author_signature));
1985 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1987 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1989 logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['uid']);
1994 $signed_data = $guid . ';' . $type ;
1997 /* How Diaspora performs relayable_retraction signature checking:
1999 - If an item has been sent by the item author to the top-level post owner to relay on
2000 to the rest of the contacts on the top-level post, the top-level post owner checks
2001 the author_signature, then creates a parent_author_signature before relaying the item on
2002 - If an item has been relayed on by the top-level post owner, the contacts who receive it
2003 check only the parent_author_signature. Basically, they trust that the top-level post
2004 owner has already verified the authenticity of anything he/she sends out
2005 - In either case, the signature that get checked is the signature created by the person
2009 if($parent_author_signature) {
2011 $parent_author_signature = base64_decode($parent_author_signature);
2013 if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
2014 logger('diaspora_signed_retraction: top-level post owner verification failed');
2021 $sig_decode = base64_decode($sig);
2023 if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
2024 logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
2029 if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
2030 $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
2032 intval($importer['uid'])
2035 if(link_compare($r[0]['author-link'],$contact['url'])) {
2036 q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d limit 1",
2037 dbesc(datetime_convert()),
2038 dbesc(datetime_convert()),
2042 // Now check if the retraction needs to be relayed by us
2044 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2045 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2046 // The only item with `parent` and `id` as the parent id is the parent item.
2047 $p = q("select origin from item where parent = %d and id = %d limit 1",
2052 if(($p[0]['origin']) && (! $parent_author_signature)) {
2053 q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
2055 dbesc($signed_data),
2057 dbesc($diaspora_handle)
2060 // the existence of parent_author_signature would have meant the parent_author or owner
2061 // is already relaying.
2062 logger('diaspora_signed_retraction: relaying relayable_retraction');
2064 proc_run('php','include/notifier.php','drop',$r[0]['id']);
2071 logger('diaspora_signed_retraction: unknown type: ' . $type);
2077 function diaspora_profile($importer,$xml,$msg) {
2080 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
2083 if($diaspora_handle != $msg['author']) {
2084 logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.');
2088 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
2092 if($contact['blocked']) {
2093 logger('diaspora_post: Ignoring this author.');
2097 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
2098 $image_url = unxmlify($xml->image_url);
2099 $birthday = unxmlify($xml->birthday);
2102 $handle_parts = explode("@", $diaspora_handle);
2104 $name = $handle_parts[0];
2106 if(strpos($image_url, $handle_parts[1]) === false) {
2107 $image_url = "http://" . $handle_parts[1] . $image_url;
2110 /* $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
2111 intval($importer['uid']),
2112 intval($contact['id'])
2114 $oldphotos = ((count($r)) ? $r : null);*/
2116 require_once('include/Photo.php');
2118 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
2120 // Generic birthday. We don't know the timezone. The year is irrelevant.
2122 $birthday = str_replace('1000','1901',$birthday);
2124 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
2126 // this is to prevent multiple birthday notifications in a single year
2127 // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
2129 if(substr($birthday,5) === substr($contact['bd'],5))
2130 $birthday = $contact['bd'];
2132 // TODO: update name on item['author-name'] if the name changed. See consume_feed()
2133 // Not doing this currently because D* protocol is scheduled for revision soon.
2135 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
2137 dbesc(datetime_convert()),
2141 dbesc(datetime_convert()),
2143 intval($contact['id']),
2144 intval($importer['uid'])
2149 foreach($oldphotos as $ph) {
2150 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
2151 intval($importer['uid']),
2152 intval($contact['id']),
2153 dbesc($ph['resource-id'])
2163 function diaspora_share($me,$contact) {
2165 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2166 $theiraddr = $contact['addr'];
2168 $tpl = get_markup_template('diaspora_share.tpl');
2169 $msg = replace_macros($tpl, array(
2170 '$sender' => $myaddr,
2171 '$recipient' => $theiraddr
2174 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2175 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2177 return(diaspora_transmit($owner,$contact,$slap, false));
2180 function diaspora_unshare($me,$contact) {
2183 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2185 $tpl = get_markup_template('diaspora_retract.tpl');
2186 $msg = replace_macros($tpl, array(
2187 '$guid' => $me['guid'],
2188 '$type' => 'Person',
2189 '$handle' => $myaddr
2192 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
2193 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
2195 return(diaspora_transmit($owner,$contact,$slap, false));
2200 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
2203 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2204 $theiraddr = $contact['addr'];
2208 $title = $item['title'];
2209 $body = fix_private_photos($item['body'], $owner['uid'], $item, $contact['id']);
2212 // We're trying to match Diaspora's split message/photo protocol but
2213 // all the photos are displayed on D* as links and not img's - even
2214 // though we're sending pretty much precisely what they send us when
2215 // doing the same operation.
2216 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
2217 // which seems to get through intact.
2219 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
2221 foreach($matches as $mtch) {
2223 $detail['str'] = $mtch[0];
2224 $detail['path'] = dirname($mtch[1]) . '/';
2225 $detail['file'] = basename($mtch[1]);
2226 $detail['guid'] = $item['guid'];
2227 $detail['handle'] = $myaddr;
2228 $images[] = $detail;
2229 $body = str_replace($detail['str'],$mtch[1],$body);
2234 //if(strlen($title))
2235 // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
2237 // convert to markdown
2238 $body = xmlify(html_entity_decode(bb2diaspora($body)));
2239 //$body = bb2diaspora($body);
2243 $body = "## ".html_entity_decode($title)."\n\n".$body;
2245 if($item['attach']) {
2246 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
2248 $body .= "\n" . t('Attachments:') . "\n";
2249 foreach($matches as $mtch) {
2250 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
2256 $public = (($item['private']) ? 'false' : 'true');
2258 require_once('include/datetime.php');
2259 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2261 $tpl = get_markup_template('diaspora_post.tpl');
2262 $msg = replace_macros($tpl, array(
2264 '$guid' => $item['guid'],
2265 '$handle' => xmlify($myaddr),
2266 '$public' => $public,
2267 '$created' => $created
2270 logger('diaspora_send_status: ' . $owner['username'] . ' -> ' . $contact['name'] . ' base message: ' . $msg, LOGGER_DATA);
2272 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2273 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2275 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
2277 if(count($images)) {
2278 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
2281 return $return_code;
2285 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
2287 if(! count($images))
2289 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
2291 $tpl = get_markup_template('diaspora_photo.tpl');
2292 foreach($images as $image) {
2293 if(! stristr($image['path'],$mysite))
2295 $resource = str_replace('.jpg','',$image['file']);
2296 $resource = substr($resource,0,strpos($resource,'-'));
2298 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
2300 intval($owner['uid'])
2304 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
2305 $msg = replace_macros($tpl,array(
2306 '$path' => xmlify($image['path']),
2307 '$filename' => xmlify($image['file']),
2308 '$msg_guid' => xmlify($image['guid']),
2309 '$guid' => xmlify($r[0]['guid']),
2310 '$handle' => xmlify($image['handle']),
2311 '$public' => xmlify($public),
2312 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
2316 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
2317 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2318 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2320 diaspora_transmit($owner,$contact,$slap,$public_batch);
2325 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
2328 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2329 // $theiraddr = $contact['addr'];
2331 // Diaspora doesn't support threaded comments
2332 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2333 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2334 dbesc($item['thr-parent'])
2338 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2339 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2340 // The only item with `parent` and `id` as the parent id is the parent item.
2341 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2342 intval($item['parent']),
2343 intval($item['parent'])
2351 if($item['verb'] === ACTIVITY_LIKE) {
2352 $tpl = get_markup_template('diaspora_like.tpl');
2354 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2355 // $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
2356 // $positive = (($item['deleted']) ? 'false' : 'true');
2359 if(($item['deleted']))
2360 logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
2363 $tpl = get_markup_template('diaspora_comment.tpl');
2367 $text = html_entity_decode(bb2diaspora($item['body']));
2372 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
2374 $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
2376 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2378 $msg = replace_macros($tpl,array(
2379 '$guid' => xmlify($item['guid']),
2380 '$parent_guid' => xmlify($parent['guid']),
2381 '$target_type' =>xmlify($target_type),
2382 '$authorsig' => xmlify($authorsig),
2383 '$body' => xmlify($text),
2384 '$positive' => xmlify($positive),
2385 '$handle' => xmlify($myaddr)
2388 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
2390 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2391 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2393 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2397 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
2401 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2402 // $theiraddr = $contact['addr'];
2404 $body = $item['body'];
2405 $text = html_entity_decode(bb2diaspora($body));
2407 // Diaspora doesn't support threaded comments
2408 if($item['verb'] === ACTIVITY_LIKE && $item['thr-parent']) {
2409 $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
2410 dbesc($item['thr-parent'])
2414 // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
2415 // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
2416 // The only item with `parent` and `id` as the parent id is the parent item.
2417 $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
2418 intval($item['parent']),
2419 intval($item['parent'])
2428 $relay_retract = false;
2429 $sql_sign_id = 'iid';
2430 if( $item['deleted']) {
2431 $relay_retract = true;
2433 $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2435 $sql_sign_id = 'retract_iid';
2436 $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
2438 elseif($item['verb'] === ACTIVITY_LIKE) {
2441 $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
2442 // $positive = (($item['deleted']) ? 'false' : 'true');
2445 $tpl = get_markup_template('diaspora_like_relay.tpl');
2447 else { // item is a comment
2448 $tpl = get_markup_template('diaspora_comment_relay.tpl');
2452 // fetch the original signature if the relayable was created by a Diaspora
2453 // or DFRN user. Relayables for other networks are not supported.
2455 /* $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
2460 $signed_text = $orig_sign['signed_text'];
2461 $authorsig = $orig_sign['signature'];
2462 $handle = $orig_sign['signer'];
2466 // Author signature information (for likes, comments, and retractions of likes or comments,
2467 // whether from Diaspora or Friendica) must be placed in the `sign` table before this
2468 // function is called
2469 logger('diaspora_send_relay: original author signature not found, cannot send relayable');
2473 /* Since the author signature is only checked by the parent, not by the relay recipients,
2474 * I think it may not be necessary for us to do so much work to preserve all the original
2475 * signatures. The important thing that Diaspora DOES need is the original creator's handle.
2476 * Let's just generate that and forget about all the original author signature stuff.
2478 * Note: this might be more of an problem if we want to support likes on comments for older
2479 * versions of Diaspora (diaspora-pistos), but since there are a number of problems with
2480 * doing that, let's ignore it for now.
2482 * Currently, only DFRN contacts are supported. StatusNet shouldn't be hard, but it hasn't
2486 $handle = diaspora_handle_from_contact($item['contact-id']);
2492 $sender_signed_text = $item['guid'] . ';' . $target_type;
2494 $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
2496 $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
2498 // Sign the relayable with the top-level owner's signature
2500 // We'll use the $sender_signed_text that we just created, instead of the $signed_text
2501 // stored in the database, because that provides the best chance that Diaspora will
2502 // be able to reconstruct the signed text the same way we did. This is particularly a
2503 // concern for the comment, whose signed text includes the text of the comment. The
2504 // smallest change in the text of the comment, including removing whitespace, will
2505 // make the signature verification fail. Since we translate from BB code to Diaspora's
2506 // markup at the top of this function, which is AFTER we placed the original $signed_text
2507 // in the database, it's hazardous to trust the original $signed_text.
2509 $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
2511 $msg = replace_macros($tpl,array(
2512 '$guid' => xmlify($item['guid']),
2513 '$parent_guid' => xmlify($parent['guid']),
2514 '$target_type' =>xmlify($target_type),
2515 '$authorsig' => xmlify($authorsig),
2516 '$parentsig' => xmlify($parentauthorsig),
2517 '$body' => xmlify($text),
2518 '$positive' => xmlify($positive),
2519 '$handle' => xmlify($handle)
2522 logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
2525 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2526 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2528 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2534 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
2537 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2539 // Check whether the retraction is for a top-level post or whether it's a relayable
2540 if( $item['uri'] !== $item['parent-uri'] ) {
2542 $tpl = get_markup_template('diaspora_relay_retraction.tpl');
2543 $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
2547 $tpl = get_markup_template('diaspora_signed_retract.tpl');
2548 $target_type = 'StatusMessage';
2551 $signed_text = $item['guid'] . ';' . $target_type;
2553 $msg = replace_macros($tpl, array(
2554 '$guid' => xmlify($item['guid']),
2555 '$type' => xmlify($target_type),
2556 '$handle' => xmlify($myaddr),
2557 '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
2560 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
2561 //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
2563 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
2566 function diaspora_send_mail($item,$owner,$contact) {
2569 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
2571 $r = q("select * from conv where id = %d and uid = %d limit 1",
2572 intval($item['convid']),
2573 intval($item['uid'])
2577 logger('diaspora_send_mail: conversation not found.');
2583 'guid' => xmlify($cnv['guid']),
2584 'subject' => xmlify($cnv['subject']),
2585 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
2586 'diaspora_handle' => xmlify($cnv['creator']),
2587 'participant_handles' => xmlify($cnv['recips'])
2590 $body = bb2diaspora($item['body']);
2591 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
2593 $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
2594 . $created . ';' . $myaddr . ';' . $cnv['guid'];
2596 $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
2599 'guid' => xmlify($item['guid']),
2600 'parent_guid' => xmlify($cnv['guid']),
2601 'parent_author_signature' => (($item['reply']) ? null : xmlify($sig)),
2602 'author_signature' => xmlify($sig),
2603 'text' => xmlify($body),
2604 'created_at' => xmlify($created),
2605 'diaspora_handle' => xmlify($myaddr),
2606 'conversation_guid' => xmlify($cnv['guid'])
2609 if($item['reply']) {
2610 $tpl = get_markup_template('diaspora_message.tpl');
2611 $xmsg = replace_macros($tpl, array('$msg' => $msg));
2614 $conv['messages'] = array($msg);
2615 $tpl = get_markup_template('diaspora_conversation.tpl');
2616 $xmsg = replace_macros($tpl, array('$conv' => $conv));
2619 logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
2621 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
2622 //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
2624 return(diaspora_transmit($owner,$contact,$slap,false));
2629 function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run=false) {
2631 $enabled = intval(get_config('system','diaspora_enabled'));
2637 $logid = random_string(4);
2638 $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
2640 logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
2644 logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
2646 if( (! $queue_run) && (was_recently_delayed($contact['id'])) ) {
2650 if(! intval(get_config('system','diaspora_test'))) {
2651 post_url($dest_url . '/', $slap);
2652 $return_code = $a->get_curl_code();
2655 logger('diaspora_transmit: test_mode');
2660 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
2662 if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
2663 logger('diaspora_transmit: queue message');
2665 $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
2666 intval($contact['id']),
2667 dbesc(NETWORK_DIASPORA),
2669 intval($public_batch)
2672 logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
2675 // queue message for redelivery
2676 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
2681 return(($return_code) ? $return_code : (-1));