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');
10 function diaspora_dispatch_public($msg) {
12 $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' ) AND `account_expired` = 0 ",
13 dbesc(NETWORK_DIASPORA),
18 logger('diaspora_public: delivering to: ' . $rr['username']);
19 diaspora_dispatch($rr,$msg);
23 logger('diaspora_public: no subscribers');
28 function diaspora_dispatch($importer,$msg) {
32 // php doesn't like dashes in variable names
34 $msg['message'] = str_replace(
35 array('<activity_streams-photo>','</activity_streams-photo>'),
36 array('<asphoto>','</asphoto>'),
40 $parsed_xml = parse_xml_string($msg['message'],false);
42 $xmlbase = $parsed_xml->post;
44 if($xmlbase->request) {
45 $ret = diaspora_request($importer,$xmlbase->request);
47 elseif($xmlbase->status_message) {
48 $ret = diaspora_post($importer,$xmlbase->status_message);
50 elseif($xmlbase->profile) {
51 $ret = diaspora_profile($importer,$xmlbase->profile);
53 elseif($xmlbase->comment) {
54 $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
56 elseif($xmlbase->like) {
57 $ret = diaspora_like($importer,$xmlbase->like,$msg);
59 elseif($xmlbase->asphoto) {
60 $ret = diaspora_asphoto($importer,$xmlbase->asphoto);
62 elseif($xmlbase->reshare) {
63 $ret = diaspora_reshare($importer,$xmlbase->reshare);
65 elseif($xmlbase->retraction) {
66 $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
68 elseif($xmlbase->photo) {
69 $ret = diaspora_photo($importer,$xmlbase->photo,$msg);
72 logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
77 function diaspora_get_contact_by_handle($uid,$handle) {
78 $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
79 dbesc(NETWORK_DIASPORA),
88 function find_diaspora_person_by_handle($handle) {
90 $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
91 dbesc(NETWORK_DIASPORA),
95 logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
96 // update record occasionally so it doesn't get stale
97 $d = strtotime($r[0]['updated'] . ' +00:00');
98 if($d > strtotime('now - 14 days'))
102 logger('find_diaspora_person_by_handle: refresh',LOGGER_DEBUG);
103 require_once('include/Scrape.php');
104 $r = probe_url($handle, PROBE_DIASPORA);
105 if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
106 add_fcontact($r,$update);
113 function get_diaspora_key($uri) {
114 logger('Fetching diaspora key for: ' . $uri);
116 $r = find_diaspora_person_by_handle($uri);
123 function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
126 logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
129 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
131 // $b64_data = base64_encode($msg);
132 // $b64url_data = base64url_encode($b64_data);
134 $b64url_data = base64url_encode($msg);
136 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
138 $type = 'application/xml';
139 $encoding = 'base64url';
142 $signable_data = $data . '.' . base64url_encode($type) . '.'
143 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
145 $signature = rsa_sign($signable_data,$prvkey);
146 $sig = base64url_encode($signature);
149 <?xml version='1.0' encoding='UTF-8'?>
150 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
152 <author_id>$handle</author_id>
155 <me:encoding>base64url</me:encoding>
156 <me:alg>RSA-SHA256</me:alg>
157 <me:data type="application/xml">$data</me:data>
158 <me:sig>$sig</me:sig>
163 logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
171 function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
175 return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
177 logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
179 $inner_aes_key = random_string(32);
180 $b_inner_aes_key = base64_encode($inner_aes_key);
181 $inner_iv = random_string(16);
182 $b_inner_iv = base64_encode($inner_iv);
184 $outer_aes_key = random_string(32);
185 $b_outer_aes_key = base64_encode($outer_aes_key);
186 $outer_iv = random_string(16);
187 $b_outer_iv = base64_encode($outer_iv);
189 $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
191 $padded_data = pkcs5_pad($msg,16);
192 $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
194 $b64_data = base64_encode($inner_encrypted);
197 $b64url_data = base64url_encode($b64_data);
198 $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
200 $type = 'application/xml';
201 $encoding = 'base64url';
204 $signable_data = $data . '.' . base64url_encode($type) . '.'
205 . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
207 $signature = rsa_sign($signable_data,$prvkey);
208 $sig = base64url_encode($signature);
210 $decrypted_header = <<< EOT
213 <aes_key>$b_inner_aes_key</aes_key>
214 <author_id>$handle</author_id>
218 $decrypted_header = pkcs5_pad($decrypted_header,16);
220 $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
222 $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
224 $encrypted_outer_key_bundle = '';
225 openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
227 $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
229 logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
231 $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
232 'ciphertext' => base64_encode($ciphertext)));
233 $cipher_json = base64_encode($encrypted_header_json_object);
235 $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
238 <?xml version='1.0' encoding='UTF-8'?>
239 <diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
242 <me:encoding>base64url</me:encoding>
243 <me:alg>RSA-SHA256</me:alg>
244 <me:data type="application/xml">$data</me:data>
245 <me:sig>$sig</me:sig>
250 logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
257 * diaspora_decode($importer,$xml)
258 * array $importer -> from user table
259 * string $xml -> urldecoded Diaspora salmon
262 * 'message' -> decoded Diaspora XML message
263 * 'author' -> author diaspora handle
264 * 'key' -> author public key (converted to pkcs#8)
266 * Author and key are used elsewhere to save a lookup for verifying replies and likes
270 function diaspora_decode($importer,$xml) {
273 $basedom = parse_xml_string($xml);
275 $children = $basedom->children('https://joindiaspora.com/protocol');
277 if($children->header) {
279 $author_link = str_replace('acct:','',$children->header->author_id);
283 $encrypted_header = json_decode(base64_decode($children->encrypted_header));
285 $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
286 $ciphertext = base64_decode($encrypted_header->ciphertext);
288 $outer_key_bundle = '';
289 openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
291 $j_outer_key_bundle = json_decode($outer_key_bundle);
293 $outer_iv = base64_decode($j_outer_key_bundle->iv);
294 $outer_key = base64_decode($j_outer_key_bundle->key);
296 $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
299 $decrypted = pkcs5_unpad($decrypted);
302 * $decrypted now contains something like
305 * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
306 * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
311 * <name>Ryan Hughes</name>
312 * <uri>acct:galaxor@diaspora.pirateship.org</uri>
317 * <author_id>galaxor@diaspora.priateship.org</author_id>
321 * </decrypted_header>
324 logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
325 $idom = parse_xml_string($decrypted,false);
327 $inner_iv = base64_decode($idom->iv);
328 $inner_aes_key = base64_decode($idom->aes_key);
330 $author_link = str_replace('acct:','',$idom->author_id);
334 $dom = $basedom->children(NAMESPACE_SALMON_ME);
336 // figure out where in the DOM tree our data is hiding
338 if($dom->provenance->data)
339 $base = $dom->provenance;
340 elseif($dom->env->data)
346 logger('mod-diaspora: unable to locate salmon data in xml ');
347 http_status_exit(400);
351 // Stash the signature away for now. We have to find their key or it won't be good for anything.
352 $signature = base64url_decode($base->sig);
356 // strip whitespace so our data element will return to one big base64 blob
357 $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
360 // stash away some other stuff for later
362 $type = $base->data[0]->attributes()->type[0];
363 $keyhash = $base->sig[0]->attributes()->keyhash[0];
364 $encoding = $base->encoding;
368 $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
372 $data = base64url_decode($data);
376 $inner_decrypted = $data;
380 // Decode the encrypted blob
382 $inner_encrypted = base64_decode($data);
383 $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
384 $inner_decrypted = pkcs5_unpad($inner_decrypted);
388 logger('mod-diaspora: Could not retrieve author URI.');
389 http_status_exit(400);
392 // Once we have the author URI, go to the web and try to find their public key
393 // (first this will look it up locally if it is in the fcontact cache)
394 // This will also convert diaspora public key from pkcs#1 to pkcs#8
396 logger('mod-diaspora: Fetching key for ' . $author_link );
397 $key = get_diaspora_key($author_link);
400 logger('mod-diaspora: Could not retrieve author key.');
401 http_status_exit(400);
404 $verify = rsa_verify($signed_data,$signature,$key);
407 logger('mod-diaspora: Message did not verify. Discarding.');
408 http_status_exit(400);
411 logger('mod-diaspora: Message verified.');
413 return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
418 function diaspora_request($importer,$xml) {
420 $sender_handle = unxmlify($xml->sender_handle);
421 $recipient_handle = unxmlify($xml->recipient_handle);
423 if(! $sender_handle || ! $recipient_handle)
426 $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
430 // perhaps we were already sharing with this person. Now they're sharing with us.
431 // That makes us friends.
433 if($contact['rel'] == CONTACT_IS_FOLLOWER) {
434 q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
435 intval(CONTACT_IS_FRIEND),
436 intval($contact['id']),
437 intval($importer['uid'])
440 // send notification?
444 $ret = find_diaspora_person_by_handle($sender_handle);
447 if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
448 logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
452 $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
454 $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
455 VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
456 intval($importer['uid']),
457 dbesc($ret['network']),
461 dbesc(normalise_link($ret['url'])),
465 dbesc($ret['photo']),
466 dbesc($ret['pubkey']),
467 dbesc($ret['notify']),
473 // find the contact record we just created
475 $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
477 $hash = random_string() . (string) time(); // Generate a confirm_key
479 if($contact_record) {
480 $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
481 VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
482 intval($importer['uid']),
483 intval($contact_record['id']),
486 dbesc( t('Sharing notification from Diaspora network')),
488 dbesc(datetime_convert())
495 function diaspora_post($importer,$xml) {
498 $guid = notags(unxmlify($xml->guid));
499 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
501 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
505 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
506 logger('diaspora_post: Ignoring this author.');
510 $message_id = $diaspora_handle . ':' . $guid;
511 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
512 intval($importer['uid']),
517 logger('diaspora_post: message exists: ' . $guid);
521 // allocate a guid on our system - we aren't fixing any collisions.
522 // we're ignoring them
524 $g = q("select * from guid where guid = '%s' limit 1",
528 q("insert into guid ( guid ) values ( '%s' )",
533 $created = unxmlify($xml->created_at);
534 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
536 $body = diaspora2bb($xml->raw_message);
542 $tags = get_tags($body);
545 foreach($tags as $tag) {
546 if(strpos($tag,'#') === 0) {
547 if(strpos($tag,'[url='))
549 $basetag = str_replace('_',' ',substr($tag,1));
550 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
551 if(strlen($str_tags))
553 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
559 $datarray['uid'] = $importer['uid'];
560 $datarray['contact-id'] = $contact['id'];
561 $datarray['wall'] = 0;
562 $datarray['guid'] = $guid;
563 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
564 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
565 $datarray['private'] = $private;
566 $datarray['parent'] = 0;
567 $datarray['owner-name'] = $contact['name'];
568 $datarray['owner-link'] = $contact['url'];
569 $datarray['owner-avatar'] = $contact['thumb'];
570 $datarray['author-name'] = $contact['name'];
571 $datarray['author-link'] = $contact['url'];
572 $datarray['author-avatar'] = $contact['thumb'];
573 $datarray['body'] = $body;
574 $datarray['tag'] = $str_tags;
575 $datarray['app'] = 'Diaspora';
577 // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
579 $datarray['visible'] = ((strlen($body)) ? 1 : 0);
581 $message_id = item_store($datarray);
584 q("update item set plink = '%s' where id = %d limit 1",
585 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
594 function diaspora_reshare($importer,$xml) {
596 logger('diaspora_reshare: init: ' . print_r($xml,true));
599 $guid = notags(unxmlify($xml->guid));
600 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
603 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
607 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
608 logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
612 $message_id = $diaspora_handle . ':' . $guid;
613 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
614 intval($importer['uid']),
619 logger('diaspora_reshare: message exists: ' . $guid);
623 $orig_author = notags(unxmlify($xml->root_diaspora_id));
624 $orig_guid = notags(unxmlify($xml->root_guid));
626 $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml';
627 $x = fetch_url($source_url);
629 $x = fetch_url(str_replace('https://','http://',$source_url));
631 logger('diaspora_reshare: unable to fetch source url ' . $source_url);
634 logger('diaspora_reshare: source: ' . $x);
636 $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
637 $source_xml = parse_xml_string($x,false);
639 if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
640 $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
641 $body = scale_diaspora_images($body,false);
643 elseif($source_xml->post->asphoto->image_url) {
644 $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
645 $body = scale_diaspora_images($body);
647 elseif($source_xml->post->status_message) {
648 $body = diaspora2bb($source_xml->post->status_message->raw_message);
649 $body = scale_diaspora_images($body);
653 logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true));
657 logger('diaspora_reshare: empty body: source= ' . $x);
661 $person = find_diaspora_person_by_handle($orig_author);
663 if(is_array($person) && x($person,'name') && x($person,'url'))
664 $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]';
666 $details = $orig_author;
668 $prefix = '♲ ' . $details . "\n";
671 // allocate a guid on our system - we aren't fixing any collisions.
672 // we're ignoring them
674 $g = q("select * from guid where guid = '%s' limit 1",
678 q("insert into guid ( guid ) values ( '%s' )",
683 $created = unxmlify($xml->created_at);
684 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
690 $tags = get_tags($body);
693 foreach($tags as $tag) {
694 if(strpos($tag,'#') === 0) {
695 if(strpos($tag,'[url='))
697 $basetag = str_replace('_',' ',substr($tag,1));
698 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
699 if(strlen($str_tags))
701 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
707 $datarray['uid'] = $importer['uid'];
708 $datarray['contact-id'] = $contact['id'];
709 $datarray['wall'] = 0;
710 $datarray['guid'] = $guid;
711 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
712 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
713 $datarray['private'] = $private;
714 $datarray['parent'] = 0;
715 $datarray['owner-name'] = $contact['name'];
716 $datarray['owner-link'] = $contact['url'];
717 $datarray['owner-avatar'] = $contact['thumb'];
718 $datarray['author-name'] = $contact['name'];
719 $datarray['author-link'] = $contact['url'];
720 $datarray['author-avatar'] = $contact['thumb'];
721 $datarray['body'] = $prefix . $body;
722 $datarray['tag'] = $str_tags;
723 $datarray['app'] = 'Diaspora';
725 $message_id = item_store($datarray);
728 q("update item set plink = '%s' where id = %d limit 1",
729 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
739 function diaspora_asphoto($importer,$xml) {
740 logger('diaspora_asphoto called');
743 $guid = notags(unxmlify($xml->guid));
744 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
746 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
750 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
751 logger('diaspora_asphoto: Ignoring this author.');
755 $message_id = $diaspora_handle . ':' . $guid;
756 $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
757 intval($importer['uid']),
762 logger('diaspora_asphoto: message exists: ' . $guid);
766 // allocate a guid on our system - we aren't fixing any collisions.
767 // we're ignoring them
769 $g = q("select * from guid where guid = '%s' limit 1",
773 q("insert into guid ( guid ) values ( '%s' )",
778 $created = unxmlify($xml->created_at);
779 $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
781 if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
782 $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
783 $body = scale_diaspora_images($body,false);
785 elseif($xml->image_url) {
786 $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
787 $body = scale_diaspora_images($body);
790 logger('diaspora_asphoto: no photo url found.');
797 $datarray['uid'] = $importer['uid'];
798 $datarray['contact-id'] = $contact['id'];
799 $datarray['wall'] = 0;
800 $datarray['guid'] = $guid;
801 $datarray['uri'] = $datarray['parent-uri'] = $message_id;
802 $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
803 $datarray['private'] = $private;
804 $datarray['parent'] = 0;
805 $datarray['owner-name'] = $contact['name'];
806 $datarray['owner-link'] = $contact['url'];
807 $datarray['owner-avatar'] = $contact['thumb'];
808 $datarray['author-name'] = $contact['name'];
809 $datarray['author-link'] = $contact['url'];
810 $datarray['author-avatar'] = $contact['thumb'];
811 $datarray['body'] = $body;
813 $datarray['app'] = 'Diaspora/Cubbi.es';
815 $message_id = item_store($datarray);
818 q("update item set plink = '%s' where id = %d limit 1",
819 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
833 function diaspora_comment($importer,$xml,$msg) {
836 $guid = notags(unxmlify($xml->guid));
837 $parent_guid = notags(unxmlify($xml->parent_guid));
838 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
839 $target_type = notags(unxmlify($xml->target_type));
840 $text = unxmlify($xml->text);
841 $author_signature = notags(unxmlify($xml->author_signature));
843 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
847 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
849 logger('diaspora_comment: cannot find contact: ' . $msg['author']);
853 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
854 logger('diaspora_comment: Ignoring this author.');
858 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
859 intval($importer['uid']),
863 logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
867 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
868 intval($importer['uid']),
872 logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
875 $parent_item = $r[0];
877 $author_signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
879 $author_signature = base64_decode($author_signature);
881 if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
886 $person = find_diaspora_person_by_handle($diaspora_handle);
888 if(is_array($person) && x($person,'pubkey'))
889 $key = $person['pubkey'];
891 logger('diaspora_comment: unable to find author details');
896 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
897 logger('diaspora_comment: verification failed.');
901 if($parent_author_signature) {
902 $owner_signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
904 $parent_author_signature = base64_decode($parent_author_signature);
908 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
909 logger('diaspora_comment: owner verification failed.');
914 // Phew! Everything checks out. Now create an item.
916 $body = diaspora2bb($text);
918 $message_id = $diaspora_handle . ':' . $guid;
924 $tags = get_tags($body);
927 foreach($tags as $tag) {
928 if(strpos($tag,'#') === 0) {
929 if(strpos($tag,'[url='))
931 $basetag = str_replace('_',' ',substr($tag,1));
932 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
933 if(strlen($str_tags))
935 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
941 $datarray['uid'] = $importer['uid'];
942 $datarray['contact-id'] = $contact['id'];
943 $datarray['wall'] = $parent_item['wall'];
944 $datarray['gravity'] = GRAVITY_COMMENT;
945 $datarray['guid'] = $guid;
946 $datarray['uri'] = $message_id;
947 $datarray['parent-uri'] = $parent_item['uri'];
949 // No timestamps for comments? OK, we'll the use current time.
950 $datarray['created'] = $datarray['edited'] = datetime_convert();
951 $datarray['private'] = $parent_item['private'];
953 $datarray['owner-name'] = $parent_item['owner-name'];
954 $datarray['owner-link'] = $parent_item['owner-link'];
955 $datarray['owner-avatar'] = $parent_item['owner-avatar'];
957 $datarray['author-name'] = $person['name'];
958 $datarray['author-link'] = $person['url'];
959 $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
960 $datarray['body'] = $body;
961 $datarray['tag'] = $str_tags;
963 // We can't be certain what the original app is if the message is relayed.
964 if(($parent_item['origin']) && (! $parent_author_signature))
965 $datarray['app'] = 'Diaspora';
967 $message_id = item_store($datarray);
970 q("update item set plink = '%s' where id = %d limit 1",
971 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
976 if(($parent_item['origin']) && (! $parent_author_signature)) {
977 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
979 dbesc($author_signed_data),
980 dbesc(base64_encode($author_signature)),
981 dbesc($diaspora_handle)
984 // if the message isn't already being relayed, notify others
985 // the existence of parent_author_signature means the parent_author or owner
986 // is already relaying.
988 proc_run('php','include/notifier.php','comment',$message_id);
993 function diaspora_photo($importer,$xml,$msg) {
996 $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
998 $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
1000 $status_message_guid = notags(unxmlify($xml->status_message_guid));
1002 $guid = notags(unxmlify($xml->guid));
1004 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1006 $public = notags(unxmlify($xml->public));
1008 $created_at = notags(unxmlify($xml_created_at));
1011 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1015 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1016 logger('diaspora_photo: Ignoring this author.');
1020 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1021 intval($importer['uid']),
1022 dbesc($status_message_guid)
1025 logger('diaspora_photo: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
1028 $parent_item = $r[0];
1030 $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
1032 $link_text = scale_diaspora_images($link_text);
1034 if(strpos($parent_item['body'],$link_text) === false) {
1035 $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
1036 dbesc($link_text . $parent_item['body']),
1037 intval($parent_item['id']),
1038 intval($parent_item['uid'])
1048 function diaspora_like($importer,$xml,$msg) {
1051 $guid = notags(unxmlify($xml->guid));
1052 $parent_guid = notags(unxmlify($xml->parent_guid));
1053 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1054 $target_type = notags(unxmlify($xml->target_type));
1055 $positive = notags(unxmlify($xml->positive));
1056 $author_signature = notags(unxmlify($xml->author_signature));
1058 $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
1060 // likes on comments not supported here and likes on photos not supported by Diaspora
1062 if($target_type !== 'Post')
1065 $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
1067 logger('diaspora_like: cannot find contact: ' . $msg['author']);
1071 if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
1072 logger('diaspora_like: Ignoring this author.');
1076 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1077 intval($importer['uid']),
1081 logger('diaspora_like: parent item not found: ' . $guid);
1085 $parent_item = $r[0];
1087 $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
1088 intval($importer['uid']),
1092 if($positive === 'true') {
1093 logger('diaspora_like: duplicate like: ' . $guid);
1096 if($positive === 'false') {
1097 q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
1098 intval($r[0]['id']),
1099 intval($importer['uid'])
1102 // send notification via proc_run()
1106 if($positive === 'false') {
1107 logger('diaspora_like: unlike received with no corresponding like');
1111 $author_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
1113 $author_signature = base64_decode($author_signature);
1115 if(strcasecmp($diaspora_handle,$msg['author']) == 0) {
1120 $person = find_diaspora_person_by_handle($diaspora_handle);
1121 if(is_array($person) && x($person,'pubkey'))
1122 $key = $person['pubkey'];
1124 logger('diaspora_like: unable to find author details');
1129 if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
1130 logger('diaspora_like: verification failed.');
1134 if($parent_author_signature) {
1136 $owner_signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
1138 $parent_author_signature = base64_decode($parent_author_signature);
1142 if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
1143 logger('diaspora_like: owner verification failed.');
1148 // Phew! Everything checks out. Now create an item.
1150 $uri = $diaspora_handle . ':' . $guid;
1152 $activity = ACTIVITY_LIKE;
1153 $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
1154 $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
1155 $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
1156 $body = $parent_item['body'];
1161 <type>$objtype</type>
1163 <id>{$parent_item['uri']}</id>
1166 <content>$body</content>
1169 $bodyverb = t('%1$s likes %2$s\'s %3$s');
1174 $arr['uid'] = $importer['uid'];
1175 $arr['guid'] = $guid;
1176 $arr['contact-id'] = $contact['id'];
1177 $arr['type'] = 'activity';
1178 $arr['wall'] = $parent_item['wall'];
1179 $arr['gravity'] = GRAVITY_LIKE;
1180 $arr['parent'] = $parent_item['id'];
1181 $arr['parent-uri'] = $parent_item['uri'];
1183 $arr['owner-name'] = $parent_item['name'];
1184 $arr['owner-link'] = $parent_item['url'];
1185 $arr['owner-avatar'] = $parent_item['thumb'];
1187 $arr['author-name'] = $person['name'];
1188 $arr['author-link'] = $person['url'];
1189 $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
1191 $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
1192 $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
1193 $plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
1194 $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
1196 $arr['app'] = 'Diaspora';
1198 $arr['private'] = $parent_item['private'];
1199 $arr['verb'] = $activity;
1200 $arr['object-type'] = $objtype;
1201 $arr['object'] = $obj;
1202 $arr['visible'] = 1;
1204 $arr['last-child'] = 0;
1206 $message_id = item_store($arr);
1210 q("update item set plink = '%s' where id = %d limit 1",
1211 dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
1216 if(! $parent_author_signature) {
1217 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1218 intval($message_id),
1219 dbesc($author_signed_data),
1220 dbesc(base64_encode($author_signature)),
1221 dbesc($diaspora_handle)
1225 // if the message isn't already being relayed, notify others
1226 // the existence of parent_author_signature means the parent_author or owner
1227 // is already relaying. The parent_item['origin'] indicates the message was created on our system
1229 if(($parent_item['origin']) && (! $parent_author_signature))
1230 proc_run('php','include/notifier.php','comment',$message_id);
1235 function diaspora_retraction($importer,$xml) {
1237 $guid = notags(unxmlify($xml->guid));
1238 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1239 $type = notags(unxmlify($xml->type));
1241 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1245 if($type === 'Person') {
1246 contact_remove($contact['id']);
1248 elseif($type === 'Post') {
1249 $r = q("select * from item where guid = '%s' and uid = %d limit 1",
1251 intval($importer['uid'])
1254 if(link_compare($r[0]['author-link'],$contact['url'])) {
1255 q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1",
1256 dbesc(datetime_convert()),
1267 function diaspora_profile($importer,$xml) {
1270 $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
1272 $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
1276 if($contact['blocked']) {
1277 logger('diaspora_post: Ignoring this author.');
1281 $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
1282 $image_url = unxmlify($xml->image_url);
1283 $birthday = unxmlify($xml->birthday);
1285 $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
1286 intval($importer['uid']),
1287 intval($contact['id'])
1289 $oldphotos = ((count($r)) ? $r : null);
1291 require_once('include/Photo.php');
1293 $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
1295 // Generic birthday. We don't know the timezone. The year is irrelevant.
1297 $birthday = str_replace('1000','1901',$birthday);
1299 $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
1301 $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
1303 dbesc(datetime_convert()),
1307 dbesc(datetime_convert()),
1309 intval($contact['id']),
1310 intval($importer['uid'])
1315 foreach($oldphotos as $ph) {
1316 q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
1317 intval($importer['uid']),
1318 intval($contact['id']),
1319 dbesc($ph['resource-id'])
1350 function diaspora_share($me,$contact) {
1352 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
1353 $theiraddr = $contact['addr'];
1355 $tpl = get_markup_template('diaspora_share.tpl');
1356 $msg = replace_macros($tpl, array(
1357 '$sender' => $myaddr,
1358 '$recipient' => $theiraddr
1361 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
1363 return(diaspora_transmit($owner,$contact,$slap, false));
1366 function diaspora_unshare($me,$contact) {
1369 $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
1371 $tpl = get_markup_template('diaspora_retract.tpl');
1372 $msg = replace_macros($tpl, array(
1373 '$guid' => $me['guid'],
1374 '$type' => 'Person',
1375 '$handle' => $myaddr
1378 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
1380 return(diaspora_transmit($owner,$contact,$slap, false));
1386 function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
1389 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
1390 $theiraddr = $contact['addr'];
1394 $body = $item['body'];
1397 // We're trying to match Diaspora's split message/photo protocol but
1398 // all the photos are displayed on D* as links and not img's - even
1399 // though we're sending pretty much precisely what they send us when
1400 // doing the same operation.
1401 // Commented out for now, we'll use bb2diaspora to convert photos to markdown
1402 // which seems to get through intact.
1404 $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
1406 foreach($matches as $mtch) {
1408 $detail['str'] = $mtch[0];
1409 $detail['path'] = dirname($mtch[1]) . '/';
1410 $detail['file'] = basename($mtch[1]);
1411 $detail['guid'] = $item['guid'];
1412 $detail['handle'] = $myaddr;
1413 $images[] = $detail;
1414 $body = str_replace($detail['str'],$mtch[1],$body);
1419 $body = xmlify(html_entity_decode(bb2diaspora($body)));
1421 if($item['attach']) {
1422 $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
1424 $body .= "\n" . t('Attachments:') . "\n";
1425 foreach($matches as $mtch) {
1426 $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
1432 $public = (($item['private']) ? 'false' : 'true');
1434 require_once('include/datetime.php');
1435 $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
1437 $tpl = get_markup_template('diaspora_post.tpl');
1438 $msg = replace_macros($tpl, array(
1440 '$guid' => $item['guid'],
1441 '$handle' => xmlify($myaddr),
1442 '$public' => $public,
1443 '$created' => $created
1446 logger('diaspora_send_status: ' . $owner['username'] . ' -> ' . $contact['name'] . ' base message: ' . $msg, LOGGER_DATA);
1448 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
1450 $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
1452 if(count($images)) {
1453 diaspora_send_images($item,$owner,$contact,$images,$public_batch);
1456 return $return_code;
1460 function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
1462 if(! count($images))
1464 $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
1466 $tpl = get_markup_template('diaspora_photo.tpl');
1467 foreach($images as $image) {
1468 if(! stristr($image['path'],$mysite))
1470 $resource = str_replace('.jpg','',$image['file']);
1471 $resource = substr($resource,0,strpos($resource,'-'));
1473 $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
1475 intval($owner['uid'])
1479 $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
1480 $msg = replace_macros($tpl,array(
1481 '$path' => xmlify($image['path']),
1482 '$filename' => xmlify($image['file']),
1483 '$msg_guid' => xmlify($image['guid']),
1484 '$guid' => xmlify($r[0]['guid']),
1485 '$handle' => xmlify($image['handle']),
1486 '$public' => xmlify($public),
1487 '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
1491 logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
1492 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
1494 diaspora_transmit($owner,$contact,$slap,$public_batch);
1499 function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
1502 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
1503 $theiraddr = $contact['addr'];
1505 $p = q("select guid from item where parent = %d limit 1",
1509 $parent_guid = $p[0]['guid'];
1513 if($item['verb'] === ACTIVITY_LIKE) {
1514 $tpl = get_markup_template('diaspora_like.tpl');
1516 $target_type = 'Post';
1517 $positive = (($item['deleted']) ? 'false' : 'true');
1520 $tpl = get_markup_template('diaspora_comment.tpl');
1524 $text = html_entity_decode(bb2diaspora($item['body']));
1529 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $myaddr;
1531 $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
1533 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
1535 $msg = replace_macros($tpl,array(
1536 '$guid' => xmlify($item['guid']),
1537 '$parent_guid' => xmlify($parent_guid),
1538 '$target_type' =>xmlify($target_type),
1539 '$authorsig' => xmlify($authorsig),
1540 '$body' => xmlify($text),
1541 '$positive' => xmlify($positive),
1542 '$handle' => xmlify($myaddr)
1545 logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
1547 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
1549 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
1553 function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
1557 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
1558 $theiraddr = $contact['addr'];
1561 $p = q("select guid from item where parent = %d limit 1",
1565 $parent_guid = $p[0]['guid'];
1569 if($item['verb'] === ACTIVITY_LIKE) {
1570 $tpl = get_markup_template('diaspora_like_relay.tpl');
1572 $target_type = 'Post';
1573 $positive = (($item['deleted']) ? 'false' : 'true');
1576 $tpl = get_markup_template('diaspora_comment_relay.tpl');
1580 $body = $item['body'];
1582 $text = html_entity_decode(bb2diaspora($body));
1584 // fetch the original signature if somebody sent the post to us to relay
1585 // If we are relaying for a reply originating on our own account, there wasn't a 'send to relay'
1586 // action. It wasn't needed. In that case create the original signature and the
1587 // owner (parent author) signature
1588 // comments from other networks will be relayed under our name, with a brief
1589 // preamble to describe what's happening and noting the real author
1591 $r = q("select * from sign where iid = %d limit 1",
1596 $signed_text = $orig_sign['signed_text'];
1597 $authorsig = $orig_sign['signature'];
1598 $handle = $orig_sign['signer'];
1602 $itemcontact = q("select * from contact where `id` = %d limit 1",
1603 intval($item['contact-id'])
1605 if(count($itemcontact)) {
1606 if(! $itemcontact[0]['self']) {
1607 $prefix = sprintf( t('[Relayed] Comment authored by %s from network %s'),
1608 '['. $item['author-name'] . ']' . '(' . $item['author-link'] . ')',
1609 network_to_name($itemcontact['network'])) . "\n";
1610 $body = $prefix . $body;
1616 $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $myaddr;
1618 $signed_text = $item['guid'] . ';' . $parent_guid . ';' . $text . ';' . $myaddr;
1620 $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
1622 q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
1623 intval($item['id']),
1624 dbesc($signed_text),
1625 dbesc(base64_encode($authorsig)),
1634 $parentauthorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
1636 $msg = replace_macros($tpl,array(
1637 '$guid' => xmlify($item['guid']),
1638 '$parent_guid' => xmlify($parent_guid),
1639 '$target_type' =>xmlify($target_type),
1640 '$authorsig' => xmlify($orig_sign['signature']),
1641 '$parentsig' => xmlify($parentauthorsig),
1642 '$body' => xmlify($text),
1643 '$positive' => xmlify($positive),
1644 '$handle' => xmlify($handle)
1647 logger('diaspora_relay_comment: base message: ' . $msg, LOGGER_DATA);
1649 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
1651 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
1657 function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
1660 $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
1662 $tpl = get_markup_template('diaspora_retract.tpl');
1663 $msg = replace_macros($tpl, array(
1664 '$guid' => $item['guid'],
1666 '$handle' => $myaddr
1669 $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
1671 return(diaspora_transmit($owner,$contact,$slap,$public_batch));
1676 function diaspora_transmit($owner,$contact,$slap,$public_batch) {
1679 $logid = random_string(4);
1680 logger('diaspora_transmit: ' . $logid . ' ' . (($public_batch) ? $contact['batch'] : $contact['notify']));
1681 post_url((($public_batch) ? $contact['batch'] : $contact['notify']) . '/',$slap);
1682 $return_code = $a->get_curl_code();
1683 logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
1685 if((! $return_code) || (($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
1686 logger('diaspora_transmit: queue message');
1687 // queue message for redelivery
1688 add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
1692 return(($return_code) ? $return_code : (-1));