diff options
Diffstat (limited to 'include/diaspora.php')
| -rwxr-xr-x | include/diaspora.php | 2571 |
1 files changed, 0 insertions, 2571 deletions
diff --git a/include/diaspora.php b/include/diaspora.php deleted file mode 100755 index 69eaca16e..000000000 --- a/include/diaspora.php +++ /dev/null @@ -1,2571 +0,0 @@ -<?php - -require_once('include/crypto.php'); -require_once('include/items.php'); -require_once('include/bb2diaspora.php'); -require_once('include/contact_selectors.php'); -require_once('include/queue_fn.php'); -require_once('include/lock.php'); - - -function diaspora_dispatch_public($msg) { - - $enabled = intval(get_config('system','diaspora_enabled')); - if(! $enabled) { - logger('mod-diaspora: disabled'); - return; - } - - $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' ) AND `account_expired` = 0 ", - dbesc(NETWORK_DIASPORA), - dbesc($msg['author']) - ); - if(count($r)) { - foreach($r as $rr) { - logger('diaspora_public: delivering to: ' . $rr['username']); - diaspora_dispatch($rr,$msg); - } - } - else - logger('diaspora_public: no subscribers'); -} - - - -function diaspora_dispatch($importer,$msg) { - - $ret = 0; - - $enabled = intval(get_config('system','diaspora_enabled')); - if(! $enabled) { - logger('mod-diaspora: disabled'); - return; - } - - // php doesn't like dashes in variable names - - $msg['message'] = str_replace( - array('<activity_streams-photo>','</activity_streams-photo>'), - array('<asphoto>','</asphoto>'), - $msg['message']); - - - $parsed_xml = parse_xml_string($msg['message'],false); - - $xmlbase = $parsed_xml->post; - - logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG); - - - if($xmlbase->request) { - $ret = diaspora_request($importer,$xmlbase->request); - } - elseif($xmlbase->status_message) { - $ret = diaspora_post($importer,$xmlbase->status_message); - } - elseif($xmlbase->profile) { - $ret = diaspora_profile($importer,$xmlbase->profile); - } - elseif($xmlbase->comment) { - $ret = diaspora_comment($importer,$xmlbase->comment,$msg); - } - elseif($xmlbase->like) { - $ret = diaspora_like($importer,$xmlbase->like,$msg); - } - elseif($xmlbase->asphoto) { - $ret = diaspora_asphoto($importer,$xmlbase->asphoto); - } - elseif($xmlbase->reshare) { - $ret = diaspora_reshare($importer,$xmlbase->reshare); - } - elseif($xmlbase->retraction) { - $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg); - } - elseif($xmlbase->signed_retraction) { - $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg); - } - elseif($xmlbase->relayable_retraction) { - $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg); - } - elseif($xmlbase->photo) { - $ret = diaspora_photo($importer,$xmlbase->photo,$msg); - } - elseif($xmlbase->conversation) { - $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg); - } - elseif($xmlbase->message) { - $ret = diaspora_message($importer,$xmlbase->message,$msg); - } - else { - logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true)); - } - return $ret; -} - -function diaspora_get_contact_by_handle($uid,$handle) { - $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1", - dbesc(NETWORK_DIASPORA), - intval($uid), - dbesc($handle) - ); - if($r && count($r)) - return $r[0]; - return false; -} - -function find_diaspora_person_by_handle($handle) { - - $person = false; - $update = false; - $got_lock = false; - - $endlessloop = 0; - $maxloops = 10; - - do { - $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1", - dbesc(NETWORK_DIASPORA), - dbesc($handle) - ); - if(count($r)) { - $person = $r[0]; - logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG); - - // update record occasionally so it doesn't get stale - $d = strtotime($person['updated'] . ' +00:00'); - if($d < strtotime('now - 14 days')) - $update = true; - } - - - // FETCHING PERSON INFORMATION FROM REMOTE SERVER - // - // If the person isn't in our 'fcontact' table, or if he/she is but - // his/her information hasn't been updated for more than 14 days, then - // we want to fetch the person's information from the remote server. - // - // Note that $person isn't changed by this block of code unless the - // person's information has been successfully fetched from the remote - // server. So if $person was 'false' to begin with (because he/she wasn't - // in the local cache), it'll stay false, and if $person held the local - // cache information to begin with, it'll keep that information. That way - // if there's a problem with the remote fetch, we can at least use our - // cached information--it's better than nothing. - - if((! $person) || ($update)) { - // Lock the function to prevent race conditions if multiple items - // come in at the same time from a person who doesn't exist in - // fcontact - // - // Don't loop forever. On the last loop, try to create the contact - // whether the function is locked or not. Maybe the locking thread - // has died or something. At any rate, a duplicate in 'fcontact' - // is a much smaller problem than a deadlocked thread - $got_lock = lock_function('find_diaspora_person_by_handle', false); - if(($endlessloop + 1) >= $maxloops) - $got_lock = true; - - if($got_lock) { - logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG); - require_once('include/Scrape.php'); - $r = probe_url($handle, PROBE_DIASPORA); - - // Note that Friendica contacts can return a "Diaspora person" - // if Diaspora connectivity is enabled on their server - if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) { - add_fcontact($r,$update); - $person = ($r); - } - - unlock_function('find_diaspora_person_by_handle'); - } - else { - logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG); - if(! $person) - block_on_function_lock('find_diaspora_person_by_handle'); - } - } - } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops)); - // We need to try again if the person wasn't in 'fcontact' but the function was locked. - // The fact that the function was locked may mean that another process was creating the - // person's record. It could also mean another process was creating or updating an unrelated - // person. - // - // At any rate, we need to keep trying until we've either got the person or had a chance to - // try to fetch his/her remote information. But we don't want to block on locking the - // function, because if the other process is creating the record, then when we acquire the lock - // we'll dive right into creating another, duplicate record. We DO want to at least wait - // until the lock is released, so we don't flood the database with requests. - // - // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since - // we do have some information for the person - - return $person; -} - - -function get_diaspora_key($uri) { - logger('Fetching diaspora key for: ' . $uri); - - $r = find_diaspora_person_by_handle($uri); - if($r) - return $r['pubkey']; - return ''; -} - - -function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) { - $a = get_app(); - - logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA); - - - $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - -// $b64_data = base64_encode($msg); -// $b64url_data = base64url_encode($b64_data); - - $b64url_data = base64url_encode($msg); - - $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data); - - $type = 'application/xml'; - $encoding = 'base64url'; - $alg = 'RSA-SHA256'; - - $signable_data = $data . '.' . base64url_encode($type) . '.' - . base64url_encode($encoding) . '.' . base64url_encode($alg) ; - - $signature = rsa_sign($signable_data,$prvkey); - $sig = base64url_encode($signature); - -$magic_env = <<< EOT -<?xml version='1.0' encoding='UTF-8'?> -<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" > - <header> - <author_id>$handle</author_id> - </header> - <me:env> - <me:encoding>base64url</me:encoding> - <me:alg>RSA-SHA256</me:alg> - <me:data type="application/xml">$data</me:data> - <me:sig>$sig</me:sig> - </me:env> -</diaspora> -EOT; - - logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA); - return $magic_env; - -} - - - - -function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) { - $a = get_app(); - - if($public) - return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey); - - logger('diaspora_msg_build: ' . $msg, LOGGER_DATA); - - // without a public key nothing will work - - if(! $pubkey) { - logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']); - return ''; - } - - $inner_aes_key = random_string(32); - $b_inner_aes_key = base64_encode($inner_aes_key); - $inner_iv = random_string(16); - $b_inner_iv = base64_encode($inner_iv); - - $outer_aes_key = random_string(32); - $b_outer_aes_key = base64_encode($outer_aes_key); - $outer_iv = random_string(16); - $b_outer_iv = base64_encode($outer_iv); - - $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - $padded_data = pkcs5_pad($msg,16); - $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv); - - $b64_data = base64_encode($inner_encrypted); - - - $b64url_data = base64url_encode($b64_data); - $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data); - - $type = 'application/xml'; - $encoding = 'base64url'; - $alg = 'RSA-SHA256'; - - $signable_data = $data . '.' . base64url_encode($type) . '.' - . base64url_encode($encoding) . '.' . base64url_encode($alg) ; - - $signature = rsa_sign($signable_data,$prvkey); - $sig = base64url_encode($signature); - -$decrypted_header = <<< EOT -<decrypted_header> - <iv>$b_inner_iv</iv> - <aes_key>$b_inner_aes_key</aes_key> - <author_id>$handle</author_id> -</decrypted_header> -EOT; - - $decrypted_header = pkcs5_pad($decrypted_header,16); - - $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv); - - $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key)); - - $encrypted_outer_key_bundle = ''; - openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey); - - $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle); - - logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA); - - $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle), - 'ciphertext' => base64_encode($ciphertext))); - $cipher_json = base64_encode($encrypted_header_json_object); - - $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>'; - -$magic_env = <<< EOT -<?xml version='1.0' encoding='UTF-8'?> -<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" > - $encrypted_header - <me:env> - <me:encoding>base64url</me:encoding> - <me:alg>RSA-SHA256</me:alg> - <me:data type="application/xml">$data</me:data> - <me:sig>$sig</me:sig> - </me:env> -</diaspora> -EOT; - - logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA); - return $magic_env; - -} - -/** - * - * diaspora_decode($importer,$xml) - * array $importer -> from user table - * string $xml -> urldecoded Diaspora salmon - * - * Returns array - * 'message' -> decoded Diaspora XML message - * 'author' -> author diaspora handle - * 'key' -> author public key (converted to pkcs#8) - * - * Author and key are used elsewhere to save a lookup for verifying replies and likes - */ - - -function diaspora_decode($importer,$xml) { - - $public = false; - $basedom = parse_xml_string($xml); - - $children = $basedom->children('https://joindiaspora.com/protocol'); - - if($children->header) { - $public = true; - $author_link = str_replace('acct:','',$children->header->author_id); - } - else { - - $encrypted_header = json_decode(base64_decode($children->encrypted_header)); - - $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key); - $ciphertext = base64_decode($encrypted_header->ciphertext); - - $outer_key_bundle = ''; - openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']); - - $j_outer_key_bundle = json_decode($outer_key_bundle); - - $outer_iv = base64_decode($j_outer_key_bundle->iv); - $outer_key = base64_decode($j_outer_key_bundle->key); - - $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv); - - - $decrypted = pkcs5_unpad($decrypted); - - /** - * $decrypted now contains something like - * - * <decrypted_header> - * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv> - * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key> - -***** OBSOLETE - - * <author> - * <name>Ryan Hughes</name> - * <uri>acct:galaxor@diaspora.pirateship.org</uri> - * </author> - -***** CURRENT - - * <author_id>galaxor@diaspora.priateship.org</author_id> - -***** END DIFFS - - * </decrypted_header> - */ - - logger('decrypted: ' . $decrypted, LOGGER_DEBUG); - $idom = parse_xml_string($decrypted,false); - - $inner_iv = base64_decode($idom->iv); - $inner_aes_key = base64_decode($idom->aes_key); - - $author_link = str_replace('acct:','',$idom->author_id); - - } - - $dom = $basedom->children(NAMESPACE_SALMON_ME); - - // figure out where in the DOM tree our data is hiding - - if($dom->provenance->data) - $base = $dom->provenance; - elseif($dom->env->data) - $base = $dom->env; - elseif($dom->data) - $base = $dom; - - if(! $base) { - logger('mod-diaspora: unable to locate salmon data in xml '); - http_status_exit(400); - } - - - // Stash the signature away for now. We have to find their key or it won't be good for anything. - $signature = base64url_decode($base->sig); - - // unpack the data - - // strip whitespace so our data element will return to one big base64 blob - $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data); - - - // stash away some other stuff for later - - $type = $base->data[0]->attributes()->type[0]; - $keyhash = $base->sig[0]->attributes()->keyhash[0]; - $encoding = $base->encoding; - $alg = $base->alg; - - - $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg); - - - // decode the data - $data = base64url_decode($data); - - - if($public) { - $inner_decrypted = $data; - } - else { - - // Decode the encrypted blob - - $inner_encrypted = base64_decode($data); - $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv); - $inner_decrypted = pkcs5_unpad($inner_decrypted); - } - - if(! $author_link) { - logger('mod-diaspora: Could not retrieve author URI.'); - http_status_exit(400); - } - - // Once we have the author URI, go to the web and try to find their public key - // (first this will look it up locally if it is in the fcontact cache) - // This will also convert diaspora public key from pkcs#1 to pkcs#8 - - logger('mod-diaspora: Fetching key for ' . $author_link ); - $key = get_diaspora_key($author_link); - - if(! $key) { - logger('mod-diaspora: Could not retrieve author key.'); - http_status_exit(400); - } - - $verify = rsa_verify($signed_data,$signature,$key); - - if(! $verify) { - logger('mod-diaspora: Message did not verify. Discarding.'); - http_status_exit(400); - } - - logger('mod-diaspora: Message verified.'); - - return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key); - -} - - -function diaspora_request($importer,$xml) { - - $a = get_app(); - - $sender_handle = unxmlify($xml->sender_handle); - $recipient_handle = unxmlify($xml->recipient_handle); - - if(! $sender_handle || ! $recipient_handle) - return; - - $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle); - - if($contact) { - - // perhaps we were already sharing with this person. Now they're sharing with us. - // That makes us friends. - - if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) { - q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1", - intval(CONTACT_IS_FRIEND), - intval($contact['id']), - intval($importer['uid']) - ); - } - // send notification - - $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1", - intval($importer['uid']) - ); - - if((count($r)) && (! $r[0]['hide-friends']) && (! $contact['hidden'])) { - require_once('include/items.php'); - - $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1", - intval($importer['uid']) - ); - - // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array - - if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) { - - $arr = array(); - $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']); - $arr['uid'] = $importer['uid']; - $arr['contact-id'] = $self[0]['id']; - $arr['wall'] = 1; - $arr['type'] = 'wall'; - $arr['gravity'] = 0; - $arr['origin'] = 1; - $arr['author-name'] = $arr['owner-name'] = $self[0]['name']; - $arr['author-link'] = $arr['owner-link'] = $self[0]['url']; - $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb']; - $arr['verb'] = ACTIVITY_FRIEND; - $arr['object-type'] = ACTIVITY_OBJ_PERSON; - - $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]'; - $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]'; - $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]'; - $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto; - - $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>' - . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>'; - $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n"); - $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n"); - $arr['object'] .= '</link></object>' . "\n"; - $arr['last-child'] = 1; - - $arr['allow_cid'] = $user[0]['allow_cid']; - $arr['allow_gid'] = $user[0]['allow_gid']; - $arr['deny_cid'] = $user[0]['deny_cid']; - $arr['deny_gid'] = $user[0]['deny_gid']; - - $i = item_store($arr); - if($i) - proc_run('php',"include/notifier.php","activity","$i"); - - } - - } - - return; - } - - $ret = find_diaspora_person_by_handle($sender_handle); - - - if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) { - logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle); - return; - } - - $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public'); - - - - $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`) - VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ", - intval($importer['uid']), - dbesc($ret['network']), - dbesc($ret['addr']), - datetime_convert(), - dbesc($ret['url']), - dbesc(normalise_link($ret['url'])), - dbesc($batch), - dbesc($ret['name']), - dbesc($ret['nick']), - dbesc($ret['photo']), - dbesc($ret['pubkey']), - dbesc($ret['notify']), - dbesc($ret['poll']), - 1, - 2 - ); - - // find the contact record we just created - - $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle); - - if(! $contact_record) { - logger('diaspora_request: unable to locate newly created contact record.'); - return; - } - - $g = q("select def_gid from user where uid = %d limit 1", - intval($importer['uid']) - ); - if($g && intval($g[0]['def_gid'])) { - require_once('include/group.php'); - group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']); - } - - if($importer['page-flags'] == PAGE_NORMAL) { - - $hash = random_string() . (string) time(); // Generate a confirm_key - - $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` ) - VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )", - intval($importer['uid']), - intval($contact_record['id']), - 0, - 0, - dbesc( t('Sharing notification from Diaspora network')), - dbesc($hash), - dbesc(datetime_convert()) - ); - } - else { - - // automatic friend approval - - require_once('include/Photo.php'); - - $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']); - - // technically they are sharing with us (CONTACT_IS_SHARING), - // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX - // we are going to change the relationship and make them a follower. - - if($importer['page-flags'] == PAGE_FREELOVE) - $new_relation = CONTACT_IS_FRIEND; - else - $new_relation = CONTACT_IS_FOLLOWER; - - $r = q("UPDATE `contact` SET - `photo` = '%s', - `thumb` = '%s', - `micro` = '%s', - `rel` = %d, - `name-date` = '%s', - `uri-date` = '%s', - `avatar-date` = '%s', - `blocked` = 0, - `pending` = 0 - WHERE `id` = %d LIMIT 1 - ", - dbesc($photos[0]), - dbesc($photos[1]), - dbesc($photos[2]), - intval($new_relation), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - intval($contact_record['id']) - ); - - $u = q("select * from user where uid = %d limit 1",intval($importer['uid'])); - if($u) - $ret = diaspora_share($u[0],$contact_record); - } - - return; -} - -function diaspora_post_allow($importer,$contact) { - if(($contact['blocked']) || ($contact['readonly'])) - return false; - if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND) - return true; - if($contact['rel'] == CONTACT_IS_FOLLOWER) - if($importer['page-flags'] == PAGE_COMMUNITY) - return true; - return false; -} - - -function diaspora_post($importer,$xml) { - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle); - if(! $contact) - return; - - if(! diaspora_post_allow($importer,$contact)) { - logger('diaspora_post: Ignoring this author.'); - return 202; - } - - $message_id = $diaspora_handle . ':' . $guid; - $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($message_id), - dbesc($guid) - ); - if(count($r)) { - logger('diaspora_post: message exists: ' . $guid); - return; - } - - // allocate a guid on our system - we aren't fixing any collisions. - // we're ignoring them - - $g = q("select * from guid where guid = '%s' limit 1", - dbesc($guid) - ); - if(! count($g)) { - q("insert into guid ( guid ) values ( '%s' )", - dbesc($guid) - ); - } - - $created = unxmlify($xml->created_at); - $private = ((unxmlify($xml->public) == 'false') ? 1 : 0); - - $body = diaspora2bb($xml->raw_message); - - $datarray = array(); - - $str_tags = ''; - - $tags = get_tags($body); - - if(count($tags)) { - foreach($tags as $tag) { - if(strpos($tag,'#') === 0) { - if(strpos($tag,'[url=')) - continue; - - // don't link tags that are already embedded in links - - if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body)) - continue; - if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body)) - continue; - - $basetag = str_replace('_',' ',substr($tag,1)); - $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body); - if(strlen($str_tags)) - $str_tags .= ','; - $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]'; - continue; - } - } - } - - $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - if(strlen($str_tags)) - $str_tags .= ','; - $str_tags .= '@[url=' . $mtch[1] . '[/url]'; - } - } - - $datarray['uid'] = $importer['uid']; - $datarray['contact-id'] = $contact['id']; - $datarray['wall'] = 0; - $datarray['guid'] = $guid; - $datarray['uri'] = $datarray['parent-uri'] = $message_id; - $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created); - $datarray['private'] = $private; - $datarray['parent'] = 0; - $datarray['owner-name'] = $contact['name']; - $datarray['owner-link'] = $contact['url']; - $datarray['owner-avatar'] = $contact['thumb']; - $datarray['author-name'] = $contact['name']; - $datarray['author-link'] = $contact['url']; - $datarray['author-avatar'] = $contact['thumb']; - $datarray['body'] = $body; - $datarray['tag'] = $str_tags; - $datarray['app'] = 'Diaspora'; - - // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible. - - $datarray['visible'] = ((strlen($body)) ? 1 : 0); - - $message_id = item_store($datarray); - - if($message_id) { - q("update item set plink = '%s' where id = %d limit 1", - dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id), - intval($message_id) - ); - } - - return; - -} - -function diaspora_reshare($importer,$xml) { - - logger('diaspora_reshare: init: ' . print_r($xml,true)); - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - - $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle); - if(! $contact) - return; - - if(! diaspora_post_allow($importer,$contact)) { - logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true)); - return 202; - } - - $message_id = $diaspora_handle . ':' . $guid; - $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($message_id), - dbesc($guid) - ); - if(count($r)) { - logger('diaspora_reshare: message exists: ' . $guid); - return; - } - - $orig_author = notags(unxmlify($xml->root_diaspora_id)); - $orig_guid = notags(unxmlify($xml->root_guid)); - - $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml'; - $x = fetch_url($source_url); - if(! $x) - $x = fetch_url(str_replace('https://','http://',$source_url)); - if(! $x) { - logger('diaspora_reshare: unable to fetch source url ' . $source_url); - return; - } - logger('diaspora_reshare: source: ' . $x); - - $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x); - $source_xml = parse_xml_string($x,false); - - if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) { - $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n"; - $body = scale_external_images($body,false); - } - elseif($source_xml->post->asphoto->image_url) { - $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n"; - $body = scale_external_images($body); - } - elseif($source_xml->post->status_message) { - $body = diaspora2bb($source_xml->post->status_message->raw_message); - $body = scale_external_images($body); - - } - else { - logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true)); - return; - } - if(! $body) { - logger('diaspora_reshare: empty body: source= ' . $x); - return; - } - - $person = find_diaspora_person_by_handle($orig_author); - - if(is_array($person) && x($person,'name') && x($person,'url')) - $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]'; - else - $details = $orig_author; - - $prefix = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8') . $details . "\n"; - - - // allocate a guid on our system - we aren't fixing any collisions. - // we're ignoring them - - $g = q("select * from guid where guid = '%s' limit 1", - dbesc($guid) - ); - if(! count($g)) { - q("insert into guid ( guid ) values ( '%s' )", - dbesc($guid) - ); - } - - $created = unxmlify($xml->created_at); - $private = ((unxmlify($xml->public) == 'false') ? 1 : 0); - - $datarray = array(); - - $str_tags = ''; - - $tags = get_tags($body); - - if(count($tags)) { - foreach($tags as $tag) { - if(strpos($tag,'#') === 0) { - if(strpos($tag,'[url=')) - continue; - - // don't link tags that are already embedded in links - - if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body)) - continue; - if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body)) - continue; - - - $basetag = str_replace('_',' ',substr($tag,1)); - $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body); - if(strlen($str_tags)) - $str_tags .= ','; - $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]'; - continue; - } - } - } - - $datarray['uid'] = $importer['uid']; - $datarray['contact-id'] = $contact['id']; - $datarray['wall'] = 0; - $datarray['guid'] = $guid; - $datarray['uri'] = $datarray['parent-uri'] = $message_id; - $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created); - $datarray['private'] = $private; - $datarray['parent'] = 0; - $datarray['owner-name'] = $contact['name']; - $datarray['owner-link'] = $contact['url']; - $datarray['owner-avatar'] = $contact['thumb']; - $datarray['author-name'] = $contact['name']; - $datarray['author-link'] = $contact['url']; - $datarray['author-avatar'] = $contact['thumb']; - $datarray['body'] = $prefix . $body; - $datarray['tag'] = $str_tags; - $datarray['app'] = 'Diaspora'; - - $message_id = item_store($datarray); - - if($message_id) { - q("update item set plink = '%s' where id = %d limit 1", - dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id), - intval($message_id) - ); - } - - return; - -} - - -function diaspora_asphoto($importer,$xml) { - logger('diaspora_asphoto called'); - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle); - if(! $contact) - return; - - if(! diaspora_post_allow($importer,$contact)) { - logger('diaspora_asphoto: Ignoring this author.'); - return 202; - } - - $message_id = $diaspora_handle . ':' . $guid; - $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($message_id), - dbesc($guid) - ); - if(count($r)) { - logger('diaspora_asphoto: message exists: ' . $guid); - return; - } - - // allocate a guid on our system - we aren't fixing any collisions. - // we're ignoring them - - $g = q("select * from guid where guid = '%s' limit 1", - dbesc($guid) - ); - if(! count($g)) { - q("insert into guid ( guid ) values ( '%s' )", - dbesc($guid) - ); - } - - $created = unxmlify($xml->created_at); - $private = ((unxmlify($xml->public) == 'false') ? 1 : 0); - - if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) { - $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n"; - $body = scale_external_images($body,false); - } - elseif($xml->image_url) { - $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n"; - $body = scale_external_images($body); - } - else { - logger('diaspora_asphoto: no photo url found.'); - return; - } - - $datarray = array(); - - - $datarray['uid'] = $importer['uid']; - $datarray['contact-id'] = $contact['id']; - $datarray['wall'] = 0; - $datarray['guid'] = $guid; - $datarray['uri'] = $datarray['parent-uri'] = $message_id; - $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created); - $datarray['private'] = $private; - $datarray['parent'] = 0; - $datarray['owner-name'] = $contact['name']; - $datarray['owner-link'] = $contact['url']; - $datarray['owner-avatar'] = $contact['thumb']; - $datarray['author-name'] = $contact['name']; - $datarray['author-link'] = $contact['url']; - $datarray['author-avatar'] = $contact['thumb']; - $datarray['body'] = $body; - - $datarray['app'] = 'Diaspora/Cubbi.es'; - - $message_id = item_store($datarray); - - if($message_id) { - q("update item set plink = '%s' where id = %d limit 1", - dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id), - intval($message_id) - ); - } - - return; - -} - - - - - - -function diaspora_comment($importer,$xml,$msg) { - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $parent_guid = notags(unxmlify($xml->parent_guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - $target_type = notags(unxmlify($xml->target_type)); - $text = unxmlify($xml->text); - $author_signature = notags(unxmlify($xml->author_signature)); - - $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : ''); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']); - if(! $contact) { - logger('diaspora_comment: cannot find contact: ' . $msg['author']); - return; - } - - if(! diaspora_post_allow($importer,$contact)) { - logger('diaspora_comment: Ignoring this author.'); - return 202; - } - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($guid) - ); - if(count($r)) { - logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid); - return; - } - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($parent_guid) - ); - if(! count($r)) { - logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid); - return; - } - $parent_item = $r[0]; - - - /* How Diaspora performs comment signature checking: - - - If an item has been sent by the comment author to the top-level post owner to relay on - to the rest of the contacts on the top-level post, the top-level post owner should check - the author_signature, then create a parent_author_signature before relaying the comment on - - If an item has been relayed on by the top-level post owner, the contacts who receive it - check only the parent_author_signature. Basically, they trust that the top-level post - owner has already verified the authenticity of anything he/she sends out - - In either case, the signature that get checked is the signature created by the person - who sent the salmon - */ - - $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle; - $key = $msg['key']; - - if($parent_author_signature) { - // If a parent_author_signature exists, then we've received the comment - // relayed from the top-level post owner. There's no need to check the - // author_signature if the parent_author_signature is valid - - $parent_author_signature = base64_decode($parent_author_signature); - - if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) { - logger('diaspora_comment: top-level owner verification failed.'); - return; - } - } - else { - // If there's no parent_author_signature, then we've received the comment - // from the comment creator. In that case, the person is commenting on - // our post, so he/she must be a contact of ours and his/her public key - // should be in $msg['key'] - - $author_signature = base64_decode($author_signature); - - if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) { - logger('diaspora_comment: comment author verification failed.'); - return; - } - } - - // Phew! Everything checks out. Now create an item. - - // Find the original comment author information. - // We need this to make sure we display the comment author - // information (name and avatar) correctly. - if(strcasecmp($diaspora_handle,$msg['author']) == 0) - $person = $contact; - else { - $person = find_diaspora_person_by_handle($diaspora_handle); - - if(! is_array($person)) { - logger('diaspora_comment: unable to find author details'); - return; - } - } - - $body = diaspora2bb($text); - - $message_id = $diaspora_handle . ':' . $guid; - - $datarray = array(); - - $str_tags = ''; - - $tags = get_tags($body); - - if(count($tags)) { - foreach($tags as $tag) { - if(strpos($tag,'#') === 0) { - if(strpos($tag,'[url=')) - continue; - - // don't link tags that are already embedded in links - - if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body)) - continue; - if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body)) - continue; - - - $basetag = str_replace('_',' ',substr($tag,1)); - $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body); - if(strlen($str_tags)) - $str_tags .= ','; - $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]'; - continue; - } - } - } - - $datarray['uid'] = $importer['uid']; - $datarray['contact-id'] = $contact['id']; - $datarray['type'] = 'remote-comment'; - $datarray['wall'] = $parent_item['wall']; - $datarray['gravity'] = GRAVITY_COMMENT; - $datarray['guid'] = $guid; - $datarray['uri'] = $message_id; - $datarray['parent-uri'] = $parent_item['uri']; - - // No timestamps for comments? OK, we'll the use current time. - $datarray['created'] = $datarray['edited'] = datetime_convert(); - $datarray['private'] = $parent_item['private']; - - $datarray['owner-name'] = $parent_item['owner-name']; - $datarray['owner-link'] = $parent_item['owner-link']; - $datarray['owner-avatar'] = $parent_item['owner-avatar']; - - $datarray['author-name'] = $person['name']; - $datarray['author-link'] = $person['url']; - $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']); - $datarray['body'] = $body; - $datarray['tag'] = $str_tags; - - // We can't be certain what the original app is if the message is relayed. - if(($parent_item['origin']) && (! $parent_author_signature)) - $datarray['app'] = 'Diaspora'; - - $message_id = item_store($datarray); - - if($message_id) { - q("update item set plink = '%s' where id = %d limit 1", - dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id), - intval($message_id) - ); - } - - if(($parent_item['origin']) && (! $parent_author_signature)) { - q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", - intval($message_id), - dbesc($signed_data), - dbesc(base64_encode($author_signature)), - dbesc($diaspora_handle) - ); - - // if the message isn't already being relayed, notify others - // the existence of parent_author_signature means the parent_author or owner - // is already relaying. - - proc_run('php','include/notifier.php','comment',$message_id); - } - - $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ", - dbesc($parent_item['uri']), - intval($importer['uid']) - ); - - if(count($myconv)) { - $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname']; - - foreach($myconv as $conv) { - - // now if we find a match, it means we're in this conversation - - if(! link_compare($conv['author-link'],$importer_url)) - continue; - - require_once('include/enotify.php'); - - $conv_parent = $conv['parent']; - - notification(array( - 'type' => NOTIFY_COMMENT, - 'notify_flags' => $importer['notify-flags'], - 'language' => $importer['language'], - 'to_name' => $importer['username'], - 'to_email' => $importer['email'], - 'uid' => $importer['uid'], - 'item' => $datarray, - 'link' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id, - 'source_name' => $datarray['author-name'], - 'source_link' => $datarray['author-link'], - 'source_photo' => $datarray['author-avatar'], - 'verb' => ACTIVITY_POST, - 'otype' => 'item', - 'parent' => $conv_parent, - - )); - - // only send one notification - break; - } - } - return; -} - - - - -function diaspora_conversation($importer,$xml,$msg) { - - $a = get_app(); - - $guid = notags(unxmlify($xml->guid)); - $subject = notags(unxmlify($xml->subject)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - $participant_handles = notags(unxmlify($xml->participant_handles)); - $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at))); - - $parent_uri = $diaspora_handle . ':' . $guid; - - $messages = $xml->message; - - if(! count($messages)) { - logger('diaspora_conversation: empty conversation'); - return; - } - - $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']); - if(! $contact) { - logger('diaspora_conversation: cannot find contact: ' . $msg['author']); - return; - } - - if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) { - logger('diaspora_conversation: Ignoring this author.'); - return 202; - } - - $conversation = null; - - $c = q("select * from conv where uid = %d and guid = '%s' limit 1", - intval($importer['uid']), - dbesc($guid) - ); - if(count($c)) - $conversation = $c[0]; - else { - $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ", - intval($importer['uid']), - dbesc($guid), - dbesc($diaspora_handle), - dbesc(datetime_convert('UTC','UTC',$created_at)), - dbesc(datetime_convert()), - dbesc($subject), - dbesc($participant_handles) - ); - if($r) - $c = q("select * from conv where uid = %d and guid = '%s' limit 1", - intval($importer['uid']), - dbesc($guid) - ); - if(count($c)) - $conversation = $c[0]; - } - if(! $conversation) { - logger('diaspora_conversation: unable to create conversation.'); - return; - } - - foreach($messages as $mesg) { - - $reply = 0; - - $msg_guid = notags(unxmlify($mesg->guid)); - $msg_parent_guid = notags(unxmlify($mesg->parent_guid)); - $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature)); - $msg_author_signature = notags(unxmlify($mesg->author_signature)); - $msg_text = unxmlify($mesg->text); - $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at))); - $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle)); - $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid)); - if($msg_conversation_guid != $guid) { - logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml); - continue; - } - - $body = diaspora2bb($msg_text); - $message_id = $msg_diaspora_handle . ':' . $msg_guid; - - $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid; - - $author_signature = base64_decode($msg_author_signature); - - if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) { - $person = $contact; - $key = $msg['key']; - } - else { - $person = find_diaspora_person_by_handle($msg_diaspora_handle); - - if(is_array($person) && x($person,'pubkey')) - $key = $person['pubkey']; - else { - logger('diaspora_conversation: unable to find author details'); - continue; - } - } - - if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) { - logger('diaspora_conversation: verification failed.'); - continue; - } - - if($msg_parent_author_signature) { - $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid; - - $parent_author_signature = base64_decode($msg_parent_author_signature); - - $key = $msg['key']; - - if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) { - logger('diaspora_conversation: owner verification failed.'); - continue; - } - } - - $r = q("select id from mail where `uri` = '%s' limit 1", - dbesc($message_id) - ); - if(count($r)) { - logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG); - continue; - } - - q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')", - intval($importer['uid']), - dbesc($msg_guid), - intval($conversation['id']), - dbesc($person['name']), - dbesc($person['photo']), - dbesc($person['url']), - intval($contact['id']), - dbesc($subject), - dbesc($body), - 0, - 0, - dbesc($message_id), - dbesc($parent_uri), - dbesc($msg_created_at) - ); - - q("update conv set updated = '%s' where id = %d limit 1", - dbesc(datetime_convert()), - intval($conversation['id']) - ); - - require_once('include/enotify.php'); - notification(array( - 'type' => NOTIFY_MAIL, - 'notify_flags' => $importer['notify-flags'], - 'language' => $importer['language'], - 'to_name' => $importer['username'], - 'to_email' => $importer['email'], - 'uid' =>$importer['importer_uid'], - 'item' => array('subject' => $subject, 'body' => $body), - 'source_name' => $person['name'], - 'source_link' => $person['url'], - 'source_photo' => $person['thumb'], - 'verb' => ACTIVITY_POST, - 'otype' => 'mail' - )); - } - - return; -} - -function diaspora_message($importer,$xml,$msg) { - - $a = get_app(); - - $msg_guid = notags(unxmlify($xml->guid)); - $msg_parent_guid = notags(unxmlify($xml->parent_guid)); - $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature)); - $msg_author_signature = notags(unxmlify($xml->author_signature)); - $msg_text = unxmlify($xml->text); - $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at))); - $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - $msg_conversation_guid = notags(unxmlify($xml->conversation_guid)); - - $parent_uri = $diaspora_handle . ':' . $msg_parent_guid; - - $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle); - if(! $contact) { - logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle); - return; - } - - if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) { - logger('diaspora_message: Ignoring this author.'); - return 202; - } - - $conversation = null; - - $c = q("select * from conv where uid = %d and guid = '%s' limit 1", - intval($importer['uid']), - dbesc($msg_conversation_guid) - ); - if(count($c)) - $conversation = $c[0]; - else { - logger('diaspora_message: conversation not available.'); - return; - } - - $reply = 0; - - $body = diaspora2bb($msg_text); - $message_id = $msg_diaspora_handle . ':' . $msg_guid; - - $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid; - - - $author_signature = base64_decode($msg_author_signature); - - $person = find_diaspora_person_by_handle($msg_diaspora_handle); - if(is_array($person) && x($person,'pubkey')) - $key = $person['pubkey']; - else { - logger('diaspora_message: unable to find author details'); - return; - } - - if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) { - logger('diaspora_message: verification failed.'); - return; - } - - $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1", - dbesc($message_id), - intval($importer['uid']) - ); - if(count($r)) { - logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG); - return; - } - - 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')", - intval($importer['uid']), - dbesc($msg_guid), - intval($conversation['id']), - dbesc($person['name']), - dbesc($person['photo']), - dbesc($person['url']), - intval($contact['id']), - dbesc($conversation['subject']), - dbesc($body), - 0, - 1, - dbesc($message_id), - dbesc($parent_uri), - dbesc($msg_created_at) - ); - - q("update conv set updated = '%s' where id = %d limit 1", - dbesc(datetime_convert()), - intval($conversation['id']) - ); - - return; -} - - -function diaspora_photo($importer,$xml,$msg) { - - $a = get_app(); - - logger('diaspora_photo: init',LOGGER_DEBUG); - - $remote_photo_path = notags(unxmlify($xml->remote_photo_path)); - - $remote_photo_name = notags(unxmlify($xml->remote_photo_name)); - - $status_message_guid = notags(unxmlify($xml->status_message_guid)); - - $guid = notags(unxmlify($xml->guid)); - - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - $public = notags(unxmlify($xml->public)); - - $created_at = notags(unxmlify($xml_created_at)); - - logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']); - if(! $contact) { - logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle); - return; - } - - if(! diaspora_post_allow($importer,$contact)) { - logger('diaspora_photo: Ignoring this author.'); - return 202; - } - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($status_message_guid) - ); - if(! count($r)) { - logger('diaspora_photo: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid); - return; - } - - $parent_item = $r[0]; - - $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n"; - - $link_text = scale_external_images($link_text, true, - array($remote_photo_name, 'scaled_full_' . $remote_photo_name)); - - if(strpos($parent_item['body'],$link_text) === false) { - $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1", - dbesc($link_text . $parent_item['body']), - intval($parent_item['id']), - intval($parent_item['uid']) - ); - } - - return; -} - - - - -function diaspora_like($importer,$xml,$msg) { - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $parent_guid = notags(unxmlify($xml->parent_guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - $target_type = notags(unxmlify($xml->target_type)); - $positive = notags(unxmlify($xml->positive)); - $author_signature = notags(unxmlify($xml->author_signature)); - - $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : ''); - - // likes on comments not supported here and likes on photos not supported by Diaspora - -// if($target_type !== 'Post') -// return; - - $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']); - if(! $contact) { - logger('diaspora_like: cannot find contact: ' . $msg['author']); - return; - } - - if(! diaspora_post_allow($importer,$contact)) { - logger('diaspora_like: Ignoring this author.'); - return 202; - } - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($parent_guid) - ); - if(! count($r)) { - logger('diaspora_like: parent item not found: ' . $guid); - return; - } - - $parent_item = $r[0]; - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1", - intval($importer['uid']), - dbesc($guid) - ); - if(count($r)) { - if($positive === 'true') { - logger('diaspora_like: duplicate like: ' . $guid); - return; - } - // Note: I don't think "Like" objects with positive = "false" are ever actually used - // It looks like "RelayableRetractions" are used for "unlike" instead - if($positive === 'false') { - logger('diaspora_like: received a like with positive set to "false"...ignoring'); -/* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1", - intval($r[0]['id']), - intval($importer['uid']) - );*/ - // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes - // send notification via proc_run() - return; - } - } - // Note: I don't think "Like" objects with positive = "false" are ever actually used - // It looks like "RelayableRetractions" are used for "unlike" instead - if($positive === 'false') { - logger('diaspora_like: received a like with positive set to "false"'); - logger('diaspora_like: unlike received with no corresponding like...ignoring'); - return; - } - - - /* How Diaspora performs "like" signature checking: - - - If an item has been sent by the like author to the top-level post owner to relay on - to the rest of the contacts on the top-level post, the top-level post owner should check - the author_signature, then create a parent_author_signature before relaying the like on - - If an item has been relayed on by the top-level post owner, the contacts who receive it - check only the parent_author_signature. Basically, they trust that the top-level post - owner has already verified the authenticity of anything he/she sends out - - In either case, the signature that get checked is the signature created by the person - who sent the salmon - */ - - $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle; - $key = $msg['key']; - - if($parent_author_signature) { - // If a parent_author_signature exists, then we've received the like - // relayed from the top-level post owner. There's no need to check the - // author_signature if the parent_author_signature is valid - - $parent_author_signature = base64_decode($parent_author_signature); - - if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) { - logger('diaspora_like: top-level owner verification failed.'); - return; - } - } - else { - // If there's no parent_author_signature, then we've received the like - // from the like creator. In that case, the person is "like"ing - // our post, so he/she must be a contact of ours and his/her public key - // should be in $msg['key'] - - $author_signature = base64_decode($author_signature); - - if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) { - logger('diaspora_like: like creator verification failed.'); - return; - } - } - - // Phew! Everything checks out. Now create an item. - - // Find the original comment author information. - // We need this to make sure we display the comment author - // information (name and avatar) correctly. - if(strcasecmp($diaspora_handle,$msg['author']) == 0) - $person = $contact; - else { - $person = find_diaspora_person_by_handle($diaspora_handle); - - if(! is_array($person)) { - logger('diaspora_like: unable to find author details'); - return; - } - } - - $uri = $diaspora_handle . ':' . $guid; - - $activity = ACTIVITY_LIKE; - $post_type = (($parent_item['resource-id']) ? t('photo') : t('status')); - $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE ); - $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ; - $body = $parent_item['body']; - - $obj = <<< EOT - - <object> - <type>$objtype</type> - <local>1</local> - <id>{$parent_item['uri']}</id> - <link>$link</link> - <title></title> - <content>$body</content> - </object> -EOT; - $bodyverb = t('%1$s likes %2$s\'s %3$s'); - - $arr = array(); - - $arr['uri'] = $uri; - $arr['uid'] = $importer['uid']; - $arr['guid'] = $guid; - $arr['contact-id'] = $contact['id']; - $arr['type'] = 'activity'; - $arr['wall'] = $parent_item['wall']; - $arr['gravity'] = GRAVITY_LIKE; - $arr['parent'] = $parent_item['id']; - $arr['parent-uri'] = $parent_item['uri']; - - $arr['owner-name'] = $parent_item['name']; - $arr['owner-link'] = $parent_item['url']; - $arr['owner-avatar'] = $parent_item['thumb']; - - $arr['author-name'] = $person['name']; - $arr['author-link'] = $person['url']; - $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']); - - $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]'; - $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]'; - $plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]'; - $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink ); - - $arr['app'] = 'Diaspora'; - - $arr['private'] = $parent_item['private']; - $arr['verb'] = $activity; - $arr['object-type'] = $objtype; - $arr['object'] = $obj; - $arr['visible'] = 1; - $arr['unseen'] = 1; - $arr['last-child'] = 0; - - $message_id = item_store($arr); - - - if($message_id) { - q("update item set plink = '%s' where id = %d limit 1", - dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id), - intval($message_id) - ); - } - - if(! $parent_author_signature) { - q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", - intval($message_id), - dbesc($signed_data), - dbesc(base64_encode($author_signature)), - dbesc($diaspora_handle) - ); - } - - // if the message isn't already being relayed, notify others - // the existence of parent_author_signature means the parent_author or owner - // is already relaying. The parent_item['origin'] indicates the message was created on our system - - if(($parent_item['origin']) && (! $parent_author_signature)) - proc_run('php','include/notifier.php','comment',$message_id); - - return; -} - -function diaspora_retraction($importer,$xml) { - - - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - $type = notags(unxmlify($xml->type)); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle); - if(! $contact) - return; - - if($type === 'Person') { - require_once('include/Contact.php'); - contact_remove($contact['id']); - } - elseif($type === 'Post') { - $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1", - dbesc('guid'), - intval($importer['uid']) - ); - if(count($r)) { - if(link_compare($r[0]['author-link'],$contact['url'])) { - q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1", - dbesc(datetime_convert()), - intval($r[0]['id']) - ); - } - } - } - - return 202; - // NOTREACHED -} - -function diaspora_signed_retraction($importer,$xml,$msg) { - - - $guid = notags(unxmlify($xml->target_guid)); - $diaspora_handle = notags(unxmlify($xml->sender_handle)); - $type = notags(unxmlify($xml->target_type)); - $sig = notags(unxmlify($xml->target_author_signature)); - - $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : ''); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle); - if(! $contact) { - logger('diaspora_signed_retraction: no contact'); - return; - } - - - $signed_data = $guid . ';' . $type ; - $key = $msg['key']; - - /* How Diaspora performs relayable_retraction signature checking: - - - If an item has been sent by the item author to the top-level post owner to relay on - to the rest of the contacts on the top-level post, the top-level post owner checks - the author_signature, then creates a parent_author_signature before relaying the item on - - If an item has been relayed on by the top-level post owner, the contacts who receive it - check only the parent_author_signature. Basically, they trust that the top-level post - owner has already verified the authenticity of anything he/she sends out - - In either case, the signature that get checked is the signature created by the person - who sent the salmon - */ - - if($parent_author_signature) { - - $parent_author_signature = base64_decode($parent_author_signature); - - if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) { - logger('diaspora_signed_retraction: top-level post owner verification failed'); - return; - } - - } - else { - - $sig_decode = base64_decode($sig); - - if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) { - logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true)); - return; - } - } - - if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') { - $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1", - dbesc($guid), - intval($importer['uid']) - ); - if(count($r)) { - if(link_compare($r[0]['author-link'],$contact['url'])) { - q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d limit 1", - dbesc(datetime_convert()), - dbesc(datetime_convert()), - intval($r[0]['id']) - ); - - // Now check if the retraction needs to be relayed by us - // - // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always - // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent. - // The only item with `parent` and `id` as the parent id is the parent item. - $p = q("select origin from item where parent = %d and id = %d limit 1", - $r[0]['parent'], - $r[0]['parent'] - ); - if(count($p)) { - if(($p[0]['origin']) && (! $parent_author_signature)) { - q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ", - $r[0]['id'], - dbesc($signed_data), - dbesc($sig), - dbesc($diaspora_handle) - ); - - // the existence of parent_author_signature would have meant the parent_author or owner - // is already relaying. - logger('diaspora_signed_retraction: relaying relayable_retraction'); - - proc_run('php','include/notifier.php','relayable_retraction',$r[0]['id']); - } - } - } - } - } - else - logger('diaspora_signed_retraction: unknown type: ' . $type); - - return 202; - // NOTREACHED -} - -function diaspora_profile($importer,$xml) { - - $a = get_app(); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle); - if(! $contact) - return; - - if($contact['blocked']) { - logger('diaspora_post: Ignoring this author.'); - return 202; - } - - $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : ''); - $image_url = unxmlify($xml->image_url); - $birthday = unxmlify($xml->birthday); - - $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ", - intval($importer['uid']), - intval($contact['id']) - ); - $oldphotos = ((count($r)) ? $r : null); - - require_once('include/Photo.php'); - - $images = import_profile_photo($image_url,$importer['uid'],$contact['id']); - - // Generic birthday. We don't know the timezone. The year is irrelevant. - - $birthday = str_replace('1000','1901',$birthday); - - $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d'); - - // this is to prevent multiple birthday notifications in a single year - // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year - - if(substr($birthday,5) === substr($contact['bd'],5)) - $birthday = $contact['bd']; - - // TODO: update name on item['author-name'] if the name changed. See consume_feed() - // Not doing this currently because D* protocol is scheduled for revision soon. - - $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1", - dbesc($name), - dbesc(datetime_convert()), - dbesc($images[0]), - dbesc($images[1]), - dbesc($images[2]), - dbesc(datetime_convert()), - dbesc($birthday), - intval($contact['id']), - intval($importer['uid']) - ); - - if($r) { - if($oldphotos) { - foreach($oldphotos as $ph) { - q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ", - intval($importer['uid']), - intval($contact['id']), - dbesc($ph['resource-id']) - ); - } - } - } - - return; - -} - -function diaspora_share($me,$contact) { - $a = get_app(); - $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - $theiraddr = $contact['addr']; - - $tpl = get_markup_template('diaspora_share.tpl'); - $msg = replace_macros($tpl, array( - '$sender' => $myaddr, - '$recipient' => $theiraddr - )); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])); - - return(diaspora_transmit($owner,$contact,$slap, false)); -} - -function diaspora_unshare($me,$contact) { - - $a = get_app(); - $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - $tpl = get_markup_template('diaspora_retract.tpl'); - $msg = replace_macros($tpl, array( - '$guid' => $me['guid'], - '$type' => 'Person', - '$handle' => $myaddr - )); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])); - - return(diaspora_transmit($owner,$contact,$slap, false)); - -} - - - -function diaspora_send_status($item,$owner,$contact,$public_batch = false) { - - $a = get_app(); - $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - $theiraddr = $contact['addr']; - - $images = array(); - - $title = $item['title']; - $body = $item['body']; - -/* - // We're trying to match Diaspora's split message/photo protocol but - // all the photos are displayed on D* as links and not img's - even - // though we're sending pretty much precisely what they send us when - // doing the same operation. - // Commented out for now, we'll use bb2diaspora to convert photos to markdown - // which seems to get through intact. - - $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - $detail = array(); - $detail['str'] = $mtch[0]; - $detail['path'] = dirname($mtch[1]) . '/'; - $detail['file'] = basename($mtch[1]); - $detail['guid'] = $item['guid']; - $detail['handle'] = $myaddr; - $images[] = $detail; - $body = str_replace($detail['str'],$mtch[1],$body); - } - } -*/ - // Removal of tags - $body = preg_replace('/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $body); - - //if(strlen($title)) - // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body; - - // convert to markdown - $body = xmlify(html_entity_decode(bb2diaspora($body))); - //$body = bb2diaspora($body); - - // Adding the title - if(strlen($title)) - $body = "## ".html_entity_decode($title)."\n\n".$body; - - if($item['attach']) { - $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER); - if(cnt) { - $body .= "\n" . t('Attachments:') . "\n"; - foreach($matches as $mtch) { - $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n"; - } - } - } - - - $public = (($item['private']) ? 'false' : 'true'); - - require_once('include/datetime.php'); - $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C'); - - $tpl = get_markup_template('diaspora_post.tpl'); - $msg = replace_macros($tpl, array( - '$body' => $body, - '$guid' => $item['guid'], - '$handle' => xmlify($myaddr), - '$public' => $public, - '$created' => $created - )); - - logger('diaspora_send_status: ' . $owner['username'] . ' -> ' . $contact['name'] . ' base message: ' . $msg, LOGGER_DATA); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)); - - $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch); - - if(count($images)) { - diaspora_send_images($item,$owner,$contact,$images,$public_batch); - } - - return $return_code; -} - - -function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) { - $a = get_app(); - if(! count($images)) - return; - $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo'; - - $tpl = get_markup_template('diaspora_photo.tpl'); - foreach($images as $image) { - if(! stristr($image['path'],$mysite)) - continue; - $resource = str_replace('.jpg','',$image['file']); - $resource = substr($resource,0,strpos($resource,'-')); - - $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1", - dbesc($resource), - intval($owner['uid']) - ); - if(! count($r)) - continue; - $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' ); - $msg = replace_macros($tpl,array( - '$path' => xmlify($image['path']), - '$filename' => xmlify($image['file']), - '$msg_guid' => xmlify($image['guid']), - '$guid' => xmlify($r[0]['guid']), - '$handle' => xmlify($image['handle']), - '$public' => xmlify($public), - '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C')) - )); - - - logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA); - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)); - - diaspora_transmit($owner,$contact,$slap,$public_batch); - } - -} - -function diaspora_send_followup($item,$owner,$contact,$public_batch = false) { - - $a = get_app(); - $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); -// $theiraddr = $contact['addr']; - - if($item['thr-parent']) { - $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1", - dbesc($item['thr-parent']) - ); - } - else { - // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always - // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent. - // The only item with `parent` and `id` as the parent id is the parent item. - $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1", - intval($item['parent']), - intval($item['parent']) - ); - } - if(count($p)) - $parent = $p[0]; - else - return; - - if($item['verb'] === ACTIVITY_LIKE) { - $tpl = get_markup_template('diaspora_like.tpl'); - $like = true; - $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment'); -// $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post'); -// $positive = (($item['deleted']) ? 'false' : 'true'); - $positive = 'true'; - - if(($item['deleted'])) - logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction'); - } - else { - $tpl = get_markup_template('diaspora_comment.tpl'); - $like = false; - } - - $text = html_entity_decode(bb2diaspora($item['body'])); - - // sign it - - if($like) - $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr; - else - $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr; - - $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')); - - $msg = replace_macros($tpl,array( - '$guid' => xmlify($item['guid']), - '$parent_guid' => xmlify($parent['guid']), - '$target_type' =>xmlify($target_type), - '$authorsig' => xmlify($authorsig), - '$body' => xmlify($text), - '$positive' => xmlify($positive), - '$handle' => xmlify($myaddr) - )); - - logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)); - - return(diaspora_transmit($owner,$contact,$slap,$public_batch)); -} - - -function diaspora_send_relay($item,$owner,$contact,$public_batch = false) { - - - $a = get_app(); - $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); -// $theiraddr = $contact['addr']; - - $body = $item['body']; - $text = html_entity_decode(bb2diaspora($body)); - - - if($item['thr-parent']) { - $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1", - dbesc($item['thr-parent']) - ); - } - else { - // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always - // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent. - // The only item with `parent` and `id` as the parent id is the parent item. - $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1", - intval($item['parent']), - intval($item['parent']) - ); - } - if(count($p)) - $parent = $p[0]; - else - return; - - $like = false; - $relay_retract = false; - $sql_sign_id = 'iid'; - if( $item['deleted']) { - $relay_retract = true; - - $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment'); - - $sql_sign_id = 'retract_iid'; - $tpl = get_markup_template('diaspora_relayable_retraction.tpl'); - } - elseif($item['verb'] === ACTIVITY_LIKE) { - $like = true; - - $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment'); -// $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post'); -// $positive = (($item['deleted']) ? 'false' : 'true'); - $positive = 'true'; - - $tpl = get_markup_template('diaspora_like_relay.tpl'); - } - else { // item is a comment - $tpl = get_markup_template('diaspora_comment_relay.tpl'); - } - - - // fetch the original signature if the relayable was created by a Diaspora - // or DFRN user. Relayables for other networks are not supported. - - $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1", - intval($item['id']) - ); - if(count($r)) { - $orig_sign = $r[0]; - $signed_text = $orig_sign['signed_text']; - $authorsig = $orig_sign['signature']; - $handle = $orig_sign['signer']; - } - else { - - // Author signature information (for likes, comments, and retractions of likes or comments, - // whether from Diaspora or Friendica) must be placed in the `sign` table before this - // function is called - logger('diaspora_send_relay: original author signature not found, cannot send relayable'); - return; - } - - if($relay_retract) - $sender_signed_text = $item['guid'] . ';' . $target_type; - elseif($like) - $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle; - else - $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle; - - // Sign the relayable with the top-level owner's signature - // - // We'll use the $sender_signed_text that we just created, instead of the $signed_text - // stored in the database, because that provides the best chance that Diaspora will - // be able to reconstruct the signed text the same way we did. This is particularly a - // concern for the comment, whose signed text includes the text of the comment. The - // smallest change in the text of the comment, including removing whitespace, will - // make the signature verification fail. Since we translate from BB code to Diaspora's - // markup at the top of this function, which is AFTER we placed the original $signed_text - // in the database, it's hazardous to trust the original $signed_text. - - $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256')); - - $msg = replace_macros($tpl,array( - '$guid' => xmlify($item['guid']), - '$parent_guid' => xmlify($parent['guid']), - '$target_type' =>xmlify($target_type), - '$authorsig' => xmlify($authorsig), - '$parentsig' => xmlify($parentauthorsig), - '$body' => xmlify($text), - '$positive' => xmlify($positive), - '$handle' => xmlify($handle) - )); - - logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA); - - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)); - - return(diaspora_transmit($owner,$contact,$slap,$public_batch)); - -} - - - -function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) { - - $a = get_app(); - $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - // Check whether the retraction is for a top-level post or whether it's a relayable - if( $item['uri'] !== $item['parent-uri'] ) { - - $tpl = get_markup_template('diaspora_relay_retraction.tpl'); - $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment'); - } - else { - - $tpl = get_markup_template('diaspora_signed_retract.tpl'); - $target_type = 'StatusMessage'; - } - - $signed_text = $item['guid'] . ';' . $target_type; - - $msg = replace_macros($tpl, array( - '$guid' => xmlify($item['guid']), - '$type' => xmlify($target_type), - '$handle' => xmlify($myaddr), - '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'))) - )); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)); - - return(diaspora_transmit($owner,$contact,$slap,$public_batch)); -} - -function diaspora_send_mail($item,$owner,$contact) { - - $a = get_app(); - $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - $r = q("select * from conv where id = %d and uid = %d limit 1", - intval($item['convid']), - intval($item['uid']) - ); - - if(! count($r)) { - logger('diaspora_send_mail: conversation not found.'); - return; - } - $cnv = $r[0]; - - $conv = array( - 'guid' => xmlify($cnv['guid']), - 'subject' => xmlify($cnv['subject']), - 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')), - 'diaspora_handle' => xmlify($cnv['creator']), - 'participant_handles' => xmlify($cnv['recips']) - ); - - $body = bb2diaspora($item['body']); - $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C'); - - $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';' - . $created . ';' . $myaddr . ';' . $cnv['guid']; - - $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')); - - $msg = array( - 'guid' => xmlify($item['guid']), - 'parent_guid' => xmlify($cnv['guid']), - 'parent_author_signature' => (($item['reply']) ? null : xmlify($sig)), - 'author_signature' => xmlify($sig), - 'text' => xmlify($body), - 'created_at' => xmlify($created), - 'diaspora_handle' => xmlify($myaddr), - 'conversation_guid' => xmlify($cnv['guid']) - ); - - if($item['reply']) { - $tpl = get_markup_template('diaspora_message.tpl'); - $xmsg = replace_macros($tpl, array('$msg' => $msg)); - } - else { - $conv['messages'] = array($msg); - $tpl = get_markup_template('diaspora_conversation.tpl'); - $xmsg = replace_macros($tpl, array('$conv' => $conv)); - } - - logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false))); - //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)); - - return(diaspora_transmit($owner,$contact,$slap,false)); - - -} - -function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run = false) { - - $enabled = intval(get_config('system','diaspora_enabled')); - if(! $enabled) { - return 200; - } - - $a = get_app(); - $logid = random_string(4); - $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']); - if(! $dest_url) { - logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch); - return 0; - } - - logger('diaspora_transmit: ' . $logid . ' ' . $dest_url); - - if( (! $queue_run) && (was_recently_delayed($contact['id']))) { - $return_code = 0; - } - else { - if(! intval(get_config('system','diaspora_test'))) { - post_url($dest_url . '/', $slap); - $return_code = $a->get_curl_code(); - } - else { - logger('diaspora_transmit: test_mode'); - return 200; - } - } - - logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code); - - if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) { - logger('diaspora_transmit: queue message'); - - $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1", - intval($contact['id']), - dbesc(NETWORK_DIASPORA), - dbesc($slap), - intval($public_batch) - ); - if(count($r)) { - logger('diaspora_transmit: add_to_queue ignored - identical item already in queue'); - } - else { - // queue message for redelivery - add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch); - } - } - - - return(($return_code) ? $return_code : (-1)); -} - - |