From 9f5dfe797bb8c68b7ba4935abe87f355bd56f04f Mon Sep 17 00:00:00 2001 From: redmatrix Date: Sun, 2 Aug 2015 17:38:34 -0700 Subject: begin moving diaspora to plugin --- include/diaspora.php | 3021 -------------------------------------------------- include/notifier.php | 26 +- 2 files changed, 8 insertions(+), 3039 deletions(-) delete mode 100755 include/diaspora.php (limited to 'include') diff --git a/include/diaspora.php b/include/diaspora.php deleted file mode 100755 index b208257c6..000000000 --- a/include/diaspora.php +++ /dev/null @@ -1,3021 +0,0 @@ -',''), - array('',''), - $msg['message']); - - - $parsed_xml = parse_xml_string($msg['message'],false); - - $xmlbase = $parsed_xml->post; - -// logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DATA); - - - if($xmlbase->request) { - $ret = diaspora_request($importer,$xmlbase->request); - } - elseif($xmlbase->status_message) { - $ret = diaspora_post($importer,$xmlbase->status_message,$msg); - } - elseif($xmlbase->profile) { - $ret = diaspora_profile($importer,$xmlbase->profile,$msg); - } - 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,$xmlbase->asphoto,$msg); - } - elseif($xmlbase->reshare) { - $ret = diaspora_reshare($importer,$xmlbase->reshare,$msg); - } - 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 $ret; -} - - -function diaspora_is_blacklisted($s) { - - $bl1 = get_config('system','blacklisted_sites'); - if(is_array($bl1) && $bl1) { - foreach($bl1 as $bl) { - if($bl && strpos($s,$bl) !== false) { - logger('diaspora_is_blacklisted: blacklisted ' . $s); - return true; - } - } - } - return false; -} - -function diaspora_process_outbound($arr) { - -/* - - We are passed the following array from the notifier, providing everything we need to make delivery decisions. - - diaspora_process_outbound(array( - 'channel' => $channel, - 'env_recips' => $env_recips, - 'recipients' => $recipients, - 'item' => $item, - 'target_item' => $target_item, - 'hub' => $hub, - 'top_level_post' => $top_level_post, - 'private' => $private, - 'followup' => $followup, - 'relay_to_owner' => $relay_to_owner, - 'uplink' => $uplink, - 'cmd' => $cmd, - 'expire' => $expire, - 'mail' => $mail, - 'location' => $location, - 'fsuggest' => $fsuggest, - 'normal_mode' => $normal_mode, - 'packet_type' => $packet_type, - 'walltowall' => $walltowall, - )); -*/ - - - $allowed = get_pconfig($arr['channel']['channel_id'],'system','diaspora_allowed'); - - if(! intval($allowed)) { - logger('mod-diaspora: disallowed for channel ' . $arr['channel']['channel_name']); - return; - } - - - if($arr['location']) - return; - - - $target_item = $arr['target_item']; - - if($target_item && array_key_exists('item_obscured',$target_item) && intval($target_item['item_obscured'])) { - $key = get_config('system','prvkey'); - if($target_item['title']) - $target_item['title'] = crypto_unencapsulate(json_decode($target_item['title'],true),$key); - if($target_item['body']) - $target_item['body'] = crypto_unencapsulate(json_decode($target_item['body'],true),$key); - } - - - - if($arr['env_recips']) { - $hashes = array(); - - // re-explode the recipients, but only for this hub/pod - - foreach($arr['env_recips'] as $recip) - $hashes[] = "'" . $recip['hash'] . "'"; - - $r = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where hubloc_url = '%s' - and xchan_hash in (" . implode(',', $hashes) . ") and xchan_network in ('diaspora', 'friendica-over-diaspora') ", - dbesc($arr['hub']['hubloc_url']) - ); - - if(! $r) { - logger('diaspora_process_outbound: no recipients'); - return; - } - - foreach($r as $contact) { - - if($arr['mail']) { - diaspora_send_mail($arr['item'],$arr['channel'],$contact); - continue; - } - - if(! $arr['normal_mode']) - continue; - - // special handling for followup to public post - // all other public posts processed as public batches further below - - if((! $arr['private']) && ($arr['followup'])) { - diaspora_send_followup($target_item,$arr['channel'],$contact, true); - continue; - } - - if(! $contact['xchan_pubkey']) - continue; - - if(intval($target_item['item_deleted']) - && (($target_item['mid'] === $target_item['parent_mid']) || $arr['followup'])) { - // send both top-level retractions and relayable retractions for owner to relay - diaspora_send_retraction($target_item,$arr['channel'],$contact); - continue; - } - elseif($arr['followup']) { - // send comments and likes to owner to relay - diaspora_send_followup($target_item,$arr['channel'],$contact); - continue; - } - - elseif($target_item['mid'] !== $target_item['parent_mid']) { - // we are the relay - send comments, likes and relayable_retractions - // (of comments and likes) to our conversants - diaspora_send_relay($target_item,$arr['channel'],$contact); - continue; - } - elseif($arr['top_level_post']) { - diaspora_send_status($target_item,$arr['channel'],$contact); - continue; - } - } - } - else { - // public message - - $contact = $arr['hub']; - - if(intval($target_item['item_deleted']) - && ($target_item['mid'] === $target_item['parent_mid'])) { - // top-level retraction - logger('delivery: diaspora retract: ' . $loc); - diaspora_send_retraction($target_item,$arr['channel'],$contact,true); - return; - } - elseif($target_item['mid'] !== $target_item['parent_mid']) { - // we are the relay - send comments, likes and relayable_retractions to our conversants - logger('delivery: diaspora relay: ' . $loc); - diaspora_send_relay($target_item,$arr['channel'],$contact,true); - return; - } - elseif($arr['top_level_post']) { - logger('delivery: diaspora status: ' . $loc); - diaspora_send_status($target_item,$arr['channel'],$contact,true); - return; - } - - } - -} - - -function diaspora_handle_from_contact($contact_hash) { - - logger("diaspora_handle_from_contact: contact id is " . $contact_hash, LOGGER_DEBUG); - - $r = q("SELECT xchan_addr from xchan where xchan_hash = '%s' limit 1", - dbesc($contact_hash) - ); - if($r) { - return $r[0]['xchan_addr']; - } - return false; -} - -function diaspora_get_contact_by_handle($uid,$handle) { - - if(diaspora_is_blacklisted($handle)) - return false; - require_once('include/identity.php'); - - $sys = get_sys_channel(); - if(($sys) && ($sys['channel_id'] == $uid)) { - $r = q("SELECT * FROM xchan where xchan_addr = '%s' limit 1", - dbesc($handle) - ); - } - else { - $r = q("SELECT * FROM abook left join xchan on xchan_hash = abook_xchan where xchan_addr = '%s' and abook_channel = %d limit 1", - dbesc($handle), - intval($uid) - ); - } - - return (($r) ? $r[0] : false); -} - -function find_diaspora_person_by_handle($handle) { - - $person = false; - $refresh = false; - - if(diaspora_is_blacklisted($handle)) - return false; - - $r = q("select * from xchan where xchan_addr = '%s' limit 1", - dbesc($handle) - ); - if($r) { - $person = $r[0]; - logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DATA); - if($person['xchan_name_date'] < datetime_convert('UTC','UTC', 'now - 1 month')) { - logger('Updating Diaspora cached record for ' . $handle); - $refresh = true; - } - } - - if((! $person) || ($refresh)) { - - // try webfinger. Make sure to distinguish between diaspora, - // hubzilla w/diaspora protocol and friendica w/diaspora protocol. - - $result = discover_by_webbie($handle); - if($result) { - $r = q("select * from xchan where xchan_addr = '%s' limit 1", - dbesc(str_replace('acct:','',$handle)) - ); - if($r) { - $person = $r[0]; - logger('find_diaspora_person_by handle: discovered ' . print_r($r,true), LOGGER_DATA); - } - } - } - - return $person; -} - - -function get_diaspora_key($handle) { - logger('Fetching diaspora key for: ' . $handle, LOGGER_DEBUG); - $r = find_diaspora_person_by_handle($handle); - return(($r) ? $r['xchan_pubkey'] : ''); -} - - -function diaspora_pubmsg_build($msg,$channel,$contact,$prvkey,$pubkey) { - - $a = get_app(); - - logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA); - - $handle = $channel['channel_address'] . '@' . get_app()->get_hostname(); - - - $b64url_data = base64url_encode($msg,false); - - $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data); - - $type = 'application/xml'; - $encoding = 'base64url'; - $alg = 'RSA-SHA256'; - - $signable_data = $data . '.' . base64url_encode($type,false) . '.' - . base64url_encode($encoding,false) . '.' . base64url_encode($alg,false) ; - - $signature = rsa_sign($signable_data,$prvkey); - $sig = base64url_encode($signature,false); - -$magic_env = <<< EOT - - -
- $handle -
- - base64url - RSA-SHA256 - $data - $sig - - -EOT; - - logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA); - return $magic_env; - -} - - - - -function diaspora_msg_build($msg,$channel,$contact,$prvkey,$pubkey,$public = false) { - $a = get_app(); - - if($public) - return diaspora_pubmsg_build($msg,$channel,$contact,$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['abook_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 = $channel['channel_address'] . '@' . get_app()->get_hostname(); - - $padded_data = pkcs5_pad($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,false); - $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data); - - $type = 'application/xml'; - $encoding = 'base64url'; - $alg = 'RSA-SHA256'; - - $signable_data = $data . '.' . base64url_encode($type,false) . '.' - . base64url_encode($encoding,false) . '.' . base64url_encode($alg,false) ; - - logger('diaspora_msg_build: signable_data: ' . $signable_data, LOGGER_DATA); - - $signature = rsa_sign($signable_data,$prvkey); - $sig = base64url_encode($signature,false); - -$decrypted_header = <<< EOT - - $b_inner_iv - $b_inner_aes_key - $handle - -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 = '' . $cipher_json . ''; - -$magic_env = <<< EOT - - - $encrypted_header - - base64url - RSA-SHA256 - $data - $sig - - -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['channel_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 - * - * - * 8e+G2+ET8l5BPuW0sVTnQw== - * UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU= - -***** OBSOLETE - - * - * Ryan Hughes - * acct:galaxor@diaspora.pirateship.org - * - -***** CURRENT - - * galaxor@diaspora.priateship.org - -***** END DIFFS - - * - */ - - logger('decrypted: ' . $decrypted, LOGGER_DATA); - $idom = parse_xml_string($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,false) . '.' . base64url_encode($encoding,false) . '.' . base64url_encode($alg,false); - - - // 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' => $key); - -} - - -/* sender is now sharing with recipient */ - -function diaspora_request($importer,$xml) { - - $a = get_app(); - - $sender_handle = unxmlify($xml->sender_handle); - $recipient_handle = unxmlify($xml->recipient_handle); - - if(! $sender_handle || ! $recipient_handle) - return; - - - // Do we already have an abook record? - - $contact = diaspora_get_contact_by_handle($importer['channel_id'],$sender_handle); - - if($contact && $contact['abook_id']) { - - // perhaps we were already sharing with this person. Now they're sharing with us. - // That makes us friends. Maybe. - - // Please note some of these permissions such as PERMS_R_PAGES are impossible for Disapora. - // They cannot authenticate to our system. - - $newperms = PERMS_R_STREAM|PERMS_R_PROFILE|PERMS_R_PHOTOS|PERMS_R_ABOOK|PERMS_W_STREAM|PERMS_W_COMMENT|PERMS_W_MAIL|PERMS_W_CHAT|PERMS_R_STORAGE|PERMS_R_PAGES; - - $r = q("update abook set abook_their_perms = %d where abook_id = %d and abook_channel = %d", - intval($newperms), - intval($contact['abook_id']), - intval($importer['channel_id']) - ); - - return; - } - - $ret = find_diaspora_person_by_handle($sender_handle); - - if((! $ret) || (! strstr($ret['xchan_network'],'diaspora'))) { - logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle); - return; - } - - -//FIXME -/* - if(feature_enabled($channel['channel_id'],'premium_channel')) { - $myaddr = $importer['channel_address'] . '@' . get_app()->get_hostname(); - $cnv = random_string(); - $mid = random_string(); - - $msg = t('You have started sharing with a $Projectname premium channel.'); - $msg .= t('$Projectname premium channels are not available for sharing with Diaspora members. This sharing request has been blocked.') . "\r"; - - $msg .= t('Please do not reply to this message, as this channel is not sharing with you and any reply will not be seen by the recipient.') . "\r"; - - $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C'); - $signed_text = $mid . ';' . $cnv . ';' . $msg . ';' - . $created . ';' . $myaddr . ';' . $cnv; - - $sig = base64_encode(rsa_sign($signed_text,$importer['channel_prvkey'],'sha256')); - - $conv = array( - 'guid' => xmlify($cnv), - 'subject' => xmlify(t('Sharing request failed.')), - 'created_at' => xmlify($created), - 'diaspora_handle' => xmlify($myaddr), - 'participant_handles' => xmlify($myaddr . ';' . $sender_handle) - ); - - $msg = array( - 'guid' => xmlify($mid), - 'parent_guid' => xmlify($cnv), - 'parent_author_signature' => xmlify($sig), - 'author_signature' => xmlify($sig), - 'text' => xmlify($msg), - 'created_at' => xmlify($created), - 'diaspora_handle' => xmlify($myaddr), - 'conversation_guid' => xmlify($cnv) - ); - - $conv['messages'] = array($msg); - $tpl = get_markup_template('diaspora_conversation.tpl'); - $xmsg = replace_macros($tpl, array('$conv' => $conv)); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$importer,$ret,$importer['channel_prvkey'],$ret['xchan_pubkey'],false))); - - diaspora_transmit($importer,$ret,$slap,false); - return; - } - -*/ -// End FIXME - - - $role = get_pconfig($channel['channel_id'],'system','permissions_role'); - if($role) { - $x = get_role_perms($role); - if($x['perms_auto']) - $default_perms = $x['perms_accept']; - } - if(! $default_perms) - $default_perms = intval(get_pconfig($importer['channel_id'],'system','autoperms')); - - $their_perms = PERMS_R_STREAM|PERMS_R_PROFILE|PERMS_R_PHOTOS|PERMS_R_ABOOK|PERMS_W_STREAM|PERMS_W_COMMENT|PERMS_W_MAIL|PERMS_W_CHAT|PERMS_R_STORAGE|PERMS_R_PAGES; - - - $closeness = get_pconfig($importer['channel_id'],'system','new_abook_closeness'); - if($closeness === false) - $closeness = 80; - - - $r = q("insert into abook ( abook_account, abook_channel, abook_xchan, abook_my_perms, abook_their_perms, abook_closeness, abook_created, abook_updated, abook_connected, abook_dob, abook_pending) values ( %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', %d )", - intval($importer['channel_account_id']), - intval($importer['channel_id']), - dbesc($ret['xchan_hash']), - intval($default_perms), - intval($their_perms), - intval($closeness), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(NULL_DATE), - intval(($default_perms) ? 0 : 1) - ); - - - if($r) { - logger("New Diaspora introduction received for {$importer['channel_name']}"); - - $new_connection = q("select * from abook left join xchan on abook_xchan = xchan_hash left join hubloc on hubloc_hash = xchan_hash where abook_channel = %d and abook_xchan = '%s' order by abook_created desc limit 1", - intval($importer['channel_id']), - dbesc($ret['xchan_hash']) - ); - if($new_connection) { - require_once('include/enotify.php'); - notification(array( - 'type' => NOTIFY_INTRO, - 'from_xchan' => $ret['xchan_hash'], - 'to_xchan' => $importer['channel_hash'], - 'link' => z_root() . '/connedit/' . $new_connection[0]['abook_id'], - )); - - - if($default_perms) { - // Send back a sharing notification to them - diaspora_share($importer,$new_connection[0]); - - } - - $clone = array(); - foreach($new_connection[0] as $k => $v) { - if(strpos($k,'abook_') === 0) { - $clone[$k] = $v; - } - } - unset($clone['abook_id']); - unset($clone['abook_account']); - unset($clone['abook_channel']); - - build_sync_packet($importer['channel_id'], array('abook' => array($clone))); - - } - } - - // find the abook record we just created - - $contact_record = diaspora_get_contact_by_handle($importer['channel_id'],$sender_handle); - - if(! $contact_record) { - logger('diaspora_request: unable to locate newly created contact record.'); - return; - } - - /** If there is a default group for this channel, add this member to it */ - - if($importer['channel_default_group']) { - require_once('include/group.php'); - $g = group_rec_byhash($importer['channel_id'],$importer['channel_default_group']); - if($g) - group_add_member($importer['channel_id'],'',$contact_record['xchan_hash'],$g['id']); - } - - return; -} - - - -function diaspora_post($importer,$xml,$msg) { - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - $app = notags(xmlify($xml->provider_display_name)); - - - if($diaspora_handle != $msg['author']) { - logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.'); - return 202; - } - - $contact = diaspora_get_contact_by_handle($importer['channel_id'],$diaspora_handle); - if(! $contact) - return; - - - - if(! $app) { - if(strstr($contact['xchan_network'],'friendica')) - $app = 'Friendica'; - else - $app = 'Diaspora'; - } - - - $search_guid = ((strlen($guid) == 64) ? $guid . '%' : $guid); - - $r = q("SELECT id FROM item WHERE uid = %d AND mid like '%s' LIMIT 1", - intval($importer['channel_id']), - dbesc($search_guid) - ); - - if($r) { - // check dates if post editing is implemented - logger('diaspora_post: message exists: ' . $guid); - return; - } - - $created = unxmlify($xml->created_at); - $private = ((unxmlify($xml->public) == 'false') ? 1 : 0); - - $body = diaspora2bb($xml->raw_message); - - if($xml->photo) { - $body = '[img]' . $xml->photo->remote_photo_path . $xml->photo->remote_photo_name . '[/img]' . "\n\n" . $body; - $body = scale_external_images($body); - } - - $maxlen = get_max_import_size(); - - if($maxlen && mb_strlen($body) > $maxlen) { - $body = mb_substr($body,0,$maxlen,'UTF-8'); - logger('message length exceeds max_import_size: truncated'); - } - -//WTF? FIXME - // Add OEmbed and other information to the body -// $body = add_page_info_to_body($body, false, true); - - $datarray = array(); - - - // Look for tags and linkify them - $results = linkify_tags(get_app(), $body, $importer['channel_id'], true); - - $datarray['term'] = array(); - - if($results) { - foreach($results as $result) { - $success = $result['success']; - if($success['replaced']) { - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => $success['termtype'], - 'otype' => TERM_OBJ_POST, - 'term' => $success['term'], - 'url' => $success['url'] - ); - } - } - } - - $cnt = preg_match_all('/@\[url=(.*?)\](.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => TERM_MENTION, - 'otype' => TERM_OBJ_POST, - 'term' => $mtch[2], - 'url' => $mtch[1] - ); - } - } - - $cnt = preg_match_all('/@\[zrl=(.*?)\](.*?)\[\/zrl\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - // don't include plustags in the term - $term = ((substr($mtch[2],-1,1) === '+') ? substr($mtch[2],0,-1) : $mtch[2]); - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => TERM_MENTION, - 'otype' => TERM_OBJ_POST, - 'term' => $term, - 'url' => $mtch[1] - ); - } - } - - - - - $plink = service_plink($contact,$guid); - - - $datarray['uid'] = $importer['channel_id']; - - $datarray['verb'] = ACTIVITY_POST; - $datarray['mid'] = $datarray['parent_mid'] = $guid; - - $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created); - $datarray['item_private'] = $private; - - $datarray['plink'] = $plink; - - $datarray['author_xchan'] = $contact['xchan_hash']; - $datarray['owner_xchan'] = $contact['xchan_hash']; - - $datarray['body'] = $body; - - $datarray['app'] = $app; - - $datarray['item_unseen'] = 1; - $datarray['item_thread_top'] = 1; - - $tgroup = tgroup_check($importer['channel_id'],$datarray); - - if((! $importer['system']) && (! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'send_stream')) && (! $tgroup)) { - logger('diaspora_post: Ignoring this author.'); - return 202; - } - - if(! post_is_importable($datarray,$contact)) { - logger('diaspora_post: filtering this author.'); - return 202; - } - - $result = item_store($datarray); - return; - -} - - -function get_diaspora_reshare_xml($url,$recurse = 0) { - - $x = z_fetch_url($url); - if(! $x['success']) - $x = z_fetch_url(str_replace('https://','http://',$url)); - if(! $x['success']) { - logger('get_diaspora_reshare_xml: unable to fetch source url ' . $url); - return; - } - logger('get_diaspora_reshare_xml: source: ' . $x['body'], LOGGER_DEBUG); - - $source_xml = parse_xml_string($x['body'],false); - - if(! $source_xml) { - logger('get_diaspora_reshare_xml: unparseable result from ' . $url); - return ''; - } - - if($source_xml->post->status_message) { - return $source_xml; - } - - // see if it's a reshare of a reshare - - if($source_xml->post->reshare) - $xml = $source_xml->post->reshare; - else - return false; - - if($xml->root_diaspora_id && $xml->root_guid && $recurse < 15) { - $orig_author = notags(unxmlify($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'; - $y = get_diaspora_reshare_xml($source_url,$recurse+1); - if($y) - return $y; - } - return false; -} - - - -function diaspora_reshare($importer,$xml,$msg) { - - logger('diaspora_reshare: init: ' . print_r($xml,true), LOGGER_DATA); - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - - if($diaspora_handle != $msg['author']) { - logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.'); - return 202; - } - - $contact = diaspora_get_contact_by_handle($importer['channel_id'],$diaspora_handle); - if(! $contact) - return; - - $search_guid = ((strlen($guid) == 64) ? $guid . '%' : $guid); - $r = q("SELECT id FROM item WHERE uid = %d AND mid like '%s' LIMIT 1", - intval($importer['channel_id']), - dbesc($search_guid) - ); - if($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'; - $orig_url = 'https://'.substr($orig_author,strpos($orig_author,'@')+1).'/posts/'.$orig_guid; - - $source_xml = get_diaspora_reshare_xml($source_url); - - if($source_xml->post->status_message) { - $body = diaspora2bb($source_xml->post->status_message->raw_message); - - $orig_author = notags(unxmlify($source_xml->post->status_message->diaspora_handle)); - $orig_guid = notags(unxmlify($source_xml->post->status_message->guid)); - - - // Checking for embedded pictures - if($source_xml->post->status_message->photo->remote_photo_path && - $source_xml->post->status_message->photo->remote_photo_name) { - - $remote_photo_path = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_path)); - $remote_photo_name = notags(unxmlify($source_xml->post->status_message->photo->remote_photo_name)); - - $body = '[img]'.$remote_photo_path.$remote_photo_name.'[/img]'."\n".$body; - - logger('diaspora_reshare: embedded picture link found: '.$body, LOGGER_DEBUG); - } - - $body = scale_external_images($body); - - // Add OEmbed and other information to the body -// $body = add_page_info_to_body($body, false, true); - } - else { - // Maybe it is a reshare of a photo that will be delivered at a later time (testing) - logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true)); - $body = ""; - //return; - } - - $maxlen = get_max_import_size(); - - if($maxlen && mb_strlen($body) > $maxlen) { - $body = mb_substr($body,0,$maxlen,'UTF-8'); - logger('message length exceeds max_import_size: truncated'); - } - - $person = find_diaspora_person_by_handle($orig_author); - - if($person) { - $orig_author_name = $person['xchan_name']; - $orig_author_link = $person['xchan_url']; - $orig_author_photo = $person['xchan_photo_m']; - } - - - $created = unxmlify($xml->created_at); - $private = ((unxmlify($xml->public) == 'false') ? 1 : 0); - - $datarray = array(); - - // Look for tags and linkify them - $results = linkify_tags(get_app(), $body, $importer['channel_id'], true); - - $datarray['term'] = array(); - - if($results) { - foreach($results as $result) { - $success = $result['success']; - if($success['replaced']) { - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => $success['termtype'], - 'otype' => TERM_OBJ_POST, - 'term' => $success['term'], - 'url' => $success['url'] - ); - } - } - } - - $cnt = preg_match_all('/@\[url=(.*?)\](.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => TERM_MENTION, - 'otype' => TERM_OBJ_POST, - 'term' => $mtch[2], - 'url' => $mtch[1] - ); - } - } - - $cnt = preg_match_all('/@\[zrl=(.*?)\](.*?)\[\/zrl\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - // don't include plustags in the term - $term = ((substr($mtch[2],-1,1) === '+') ? substr($mtch[2],0,-1) : $mtch[2]); - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => TERM_MENTION, - 'otype' => TERM_OBJ_POST, - 'term' => $term, - 'url' => $mtch[1] - ); - } - } - - - - - - $newbody = "[share author='" . urlencode($orig_author_name) - . "' profile='" . $orig_author_link - . "' avatar='" . $orig_author_photo - . "' link='" . $orig_url - . "' posted='" . datetime_convert('UTC','UTC',unxmlify($source_xml->post->status_message->created_at)) - . "' message_id='" . unxmlify($source_xml->post->status_message->guid) - . "']" . $body . "[/share]"; - - - $plink = service_plink($contact,$guid); - - $datarray['uid'] = $importer['channel_id']; - $datarray['mid'] = $datarray['parent_mid'] = $guid; - $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created); - $datarray['item_private'] = $private; - $datarray['plink'] = $plink; - $datarray['owner_xchan'] = $contact['xchan_hash']; - $datarray['author_xchan'] = $contact['xchan_hash']; - - $datarray['body'] = $newbody; - $datarray['app'] = 'Diaspora'; - - - - $tgroup = tgroup_check($importer['channel_id'],$datarray); - - if((! $importer['system']) && (! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'send_stream')) && (! $tgroup)) { - logger('diaspora_post: Ignoring this author.'); - return 202; - } - - - $result = item_store($datarray); - - return; - -} - - -function diaspora_asphoto($importer,$xml,$msg) { - logger('diaspora_asphoto called'); - - $a = get_app(); - $guid = notags(unxmlify($xml->guid)); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - if($diaspora_handle != $msg['author']) { - logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.'); - return 202; - } - - $contact = diaspora_get_contact_by_handle($importer['channel_id'],$diaspora_handle); - if(! $contact) - return; - - if((! $importer['system']) && (! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'send_stream'))) { - 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['channel_id']), - 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; - } - - $plink = service_plink($contact,$guid); - - $datarray = array(); - - $datarray['uid'] = $importer['channel_id']; - $datarray['contact-id'] = $contact['id']; - $datarray['wall'] = 0; - $datarray['network'] = NETWORK_DIASPORA; - $datarray['guid'] = $guid; - $datarray['uri'] = $datarray['parent-uri'] = $message_id; - $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created); - $datarray['private'] = $private; - $datarray['parent'] = 0; - $datarray['plink'] = $plink; - $datarray['owner-name'] = $contact['name']; - $datarray['owner-link'] = $contact['url']; - //$datarray['owner-avatar'] = $contact['thumb']; - $datarray['owner-avatar'] = ((x($contact,'thumb')) ? $contact['thumb'] : $contact['photo']); - $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($message_id) { - // q("update item set plink = '%s' where id = %d", - // dbesc($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['channel_id'],$msg['author']); - if(! $contact) { - logger('diaspora_comment: cannot find contact: ' . $msg['author']); - return; - } - - - - $pubcomment = get_pconfig($importer['channel_id'],'system','diaspora_public_comments'); - - // by default comments on public posts are allowed from anybody on Diaspora. That is their policy. - // Once this setting is set to something we'll track your preference and it will over-ride the default. - - if($pubcomment === false) - $pubcomment = 1; - - // Friendica is currently truncating guids at 64 chars - $search_guid = $parent_guid; - if(strlen($parent_guid) == 64) - $search_guid = $parent_guid . '%'; - - $r = q("SELECT * FROM item WHERE uid = %d AND mid LIKE '%s' LIMIT 1", - intval($importer['channel_id']), - dbesc($search_guid) - ); - if(! $r) { - logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid); - return; - } - - $parent_item = $r[0]; - - if(intval($parent_item['item_private'])) - $pubcomment = 0; - - $search_guid = $guid; - if(strlen($guid) == 64) - $search_guid = $guid . '%'; - - - $r = q("SELECT * FROM item WHERE uid = %d AND mid like '%s' LIMIT 1", - intval($importer['channel_id']), - dbesc($search_guid) - ); - if($r) { - logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid); - return; - } - - - - /* 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 psuedo-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 $msg['key'] - - if($importer['system']) { - // don't relay to the sys channel - logger('diaspora_comment: relay to sys channel blocked.'); - return; - } - - $author_signature = base64_decode($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); - - - $maxlen = get_max_import_size(); - - if($maxlen && mb_strlen($body) > $maxlen) { - $body = mb_substr($body,0,$maxlen,'UTF-8'); - logger('message length exceeds max_import_size: truncated'); - } - - - $datarray = array(); - - // Look for tags and linkify them - $results = linkify_tags(get_app(), $body, $importer['channel_id'], true); - - $datarray['term'] = array(); - - if($results) { - foreach($results as $result) { - $success = $result['success']; - if($success['replaced']) { - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => $success['termtype'], - 'otype' => TERM_OBJ_POST, - 'term' => $success['term'], - 'url' => $success['url'] - ); - } - } - } - - $cnt = preg_match_all('/@\[url=(.*?)\](.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => TERM_MENTION, - 'otype' => TERM_OBJ_POST, - 'term' => $mtch[2], - 'url' => $mtch[1] - ); - } - } - - $cnt = preg_match_all('/@\[zrl=(.*?)\](.*?)\[\/zrl\]/ism',$body,$matches,PREG_SET_ORDER); - if($cnt) { - foreach($matches as $mtch) { - // don't include plustags in the term - $term = ((substr($mtch[2],-1,1) === '+') ? substr($mtch[2],0,-1) : $mtch[2]); - $datarray['term'][] = array( - 'uid' => $importer['channel_id'], - 'type' => TERM_MENTION, - 'otype' => TERM_OBJ_POST, - 'term' => $term, - 'url' => $mtch[1] - ); - } - } - - $datarray['uid'] = $importer['channel_id']; - $datarray['verb'] = ACTIVITY_POST; - $datarray['mid'] = $guid; - $datarray['parent_mid'] = $parent_item['mid']; - - // set the route to that of the parent so downstream hubs won't reject it. - $datarray['route'] = $parent_item['route']; - - // No timestamps for comments? OK, we'll the use current time. - $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert(); - $datarray['item_private'] = $parent_item['item_private']; - - $datarray['owner_xchan'] = $parent_item['owner_xchan']; - $datarray['author_xchan'] = $person['xchan_hash']; - - $datarray['body'] = $body; - - if(strstr($person['xchan_network'],'friendica')) - $app = 'Friendica'; - else - $app = 'Diaspora'; - - $datarray['app'] = $app; - - if(! $parent_author_signature) { - $key = get_config('system','pubkey'); - $x = array('signer' => $diaspora_handle, 'body' => $text, - 'signed_text' => $signed_data, 'signature' => base64_encode($author_signature)); - $datarray['diaspora_meta'] = json_encode($x); - } - - - - // So basically if something arrives at the sys channel it's by definition public and we allow it. - // If $pubcomment and the parent was public, we allow it. - // In all other cases, honour the permissions for this Diaspora connection - - $tgroup = tgroup_check($importer['channel_id'],$datarray); - - if((! $importer['system']) && (! $pubcomment) && (! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'post_comments')) && (! $tgroup)) { - logger('diaspora_comment: Ignoring this author.'); - return 202; - } - - - - - $result = item_store($datarray); - - if($result && $result['success']) - $message_id = $result['item_id']; - - if(intval($parent_item['item_origin']) && (! $parent_author_signature)) { - // if the message isn't already being relayed, notify others - // the existence of parent_author_signature means the parent_author or owner - // is already relaying. - - proc_run('php','include/notifier.php','comment-import',$message_id); - } - - if($result['item_id']) { - $r = q("select * from item where id = %d limit 1", - intval($result['item_id']) - ); - if($r) - send_status_notifications($result['item_id'],$r[0]); - } - - return; -} - - - - -function diaspora_conversation($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['channel_id'],$msg['author']); - if(! $contact) { - logger('diaspora_conversation: cannot find contact: ' . $msg['author']); - return; - } - - - if(! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'post_mail')) { - 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['channel_id']), - 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['channel_id']), - 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['channel_id']), - 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); - - - $maxlen = get_max_import_size(); - - if($maxlen && mb_strlen($body) > $maxlen) { - $body = mb_substr($body,0,$maxlen,'UTF-8'); - logger('message length exceeds max_import_size: truncated'); - } - - - $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,'xchan_pubkey')) - $key = $person['xchan_pubkey']; - else { - logger('diaspora_conversation: unable to find author details'); - continue; - } - } - - if(! rsa_verify($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; - } - } - - $r = q("select id from mail where mid = '%s' limit 1", - dbesc($message_id) - ); - if(count($r)) { - logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG); - continue; - } - - if($subject) - $subject = str_rot47(base64url_encode($subject)); - if($body) - $body = str_rot47(base64url_encode($body)); - - q("insert into mail ( `channel_id`, `convid`, `from_xchan`,`to_xchan`,`title`,`body`,`mail_obscured`,`mid`,`parent_mid`,`created`) values ( %d, %d, '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s')", - intval($importer['channel_id']), - intval($conversation['id']), - dbesc($person['xchan_hash']), - dbesc($importer['channel_hash']), - dbesc($subject), - dbesc($body), - intval(1), - dbesc($msg_guid), - dbesc($parent_uri), - dbesc($msg_created_at) - ); - - q("update conv set updated = '%s' where id = %d", - dbesc(datetime_convert()), - intval($conversation['id']) - ); - - require_once('include/enotify.php'); -/****** -//FIXME - - 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 = $msg_parent_guid; - - $contact = diaspora_get_contact_by_handle($importer['channel_id'],$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['channel_id']), - dbesc($msg_conversation_guid) - ); - if($c) - $conversation = $c[0]; - else { - logger('diaspora_message: conversation not available.'); - return; - } - - $reply = 0; - - $subject = $conversation['subject']; - $body = diaspora2bb($msg_text); - - - $maxlen = get_max_import_size(); - - if($maxlen && mb_strlen($body) > $maxlen) { - $body = mb_substr($body,0,$maxlen,'UTF-8'); - logger('message length exceeds max_import_size: truncated'); - } - - - - $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,'xchan_pubkey')) - $key = $person['xchan_pubkey']; - else { - logger('diaspora_message: unable to find author details'); - return; - } - - if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) { - logger('diaspora_message: verification failed.'); - return; - } - - $r = q("select id from mail where mid = '%s' and channel_id = %d limit 1", - dbesc($message_id), - intval($importer['channel_id']) - ); - if($r) { - logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG); - return; - } - - $key = get_config('system','pubkey'); - if($subject) - $subject = str_rot47(base64url_encode($subject)); - if($body) - $body = str_rot47(base64url_encode($body)); - - q("insert into mail ( `channel_id`, `convid`, `from_xchan`,`to_xchan`,`title`,`body`,`mail_obscured`,`mid`,`parent_mid`,`created`) values ( %d, %d, '%s', '%s', '%s', '%s', '%d','%s','%s','%s')", - intval($importer['channel_id']), - intval($conversation['id']), - dbesc($person['xchan_hash']), - dbesc($importer['xchan_hash']), - dbesc($subject), - dbesc($body), - intval(1), - dbesc($msg_guid), - dbesc($parent_uri), - dbesc($msg_created_at) - ); - - q("update conv set updated = '%s' where id = %d", - dbesc(datetime_convert()), - intval($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['channel_id'],$msg['author']); - if(! $contact) { - logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle); - return; - } - - if((! $importer['system']) && (! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'send_stream'))) { - logger('diaspora_photo: Ignoring this author.'); - return 202; - } - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `mid` = '%s' LIMIT 1", - intval($importer['channel_id']), - dbesc($status_message_guid) - ); - if(! $r) { - logger('diaspora_photo: attempt = ' . $attempt . '; status message not found: ' . $status_message_guid . ' for photo: ' . $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) { -// $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d", -// dbesc($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['channel_id'],$msg['author']); - if(! $contact) { - logger('diaspora_like: cannot find contact: ' . $msg['author'] . ' for channel ' . $importer['channel_name']); - return; - } - - - if((! $importer['system']) && (! perm_is_allowed($importer['channel_id'],$contact['xchan_hash'],'post_comments'))) { - logger('diaspora_like: Ignoring this author.'); - return 202; - } - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `mid` = '%s' LIMIT 1", - intval($importer['channel_id']), - dbesc($parent_guid) - ); - if(! count($r)) { - logger('diaspora_like: parent item not found: ' . $guid); - return; - } - - $parent_item = $r[0]; - - $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `mid` = '%s' LIMIT 1", - intval($importer['channel_id']), - 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'); - // perhaps call drop_item() - // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes - // send notification via proc_run() - return; - } - } - - $i = q("select * from xchan where xchan_hash = '%s' limit 1", - dbesc($parent_item['author_xchan']) - ); - if($i) - $item_author = $i[0]; - - // Note: I don't think "Like" objects with positive = "false" are ever actually used - // It looks like "RelayableRetractions" are used for "unlike" instead - if($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 - */ - - // 2014-09-10 let's try this: signatures are failing. I'll try and make a signable string from - // the parameters in the order they were presented in the post. This is how D* creates the signable string. - - - $signed_data = $positive . ';' . $guid . ';' . $target_type . ';' . $parent_guid . ';' . $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')) { - if (intval(get_config('system','ignore_diaspora_like_signature'))) - logger('diaspora_like: top-level owner verification failed. Proceeding anyway.'); - else { - 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,$key,'sha256')) { - if (intval(get_config('system','ignore_diaspora_like_signature'))) - logger('diaspora_like: like creator verification failed. Proceeding anyway'); - else { - logger('diaspora_like: like creator verification failed.'); - return; - } - } - } - - logger('diaspora_like: signature check complete.',LOGGER_DEBUG); - - // Phew! Everything checks out. Now create an item. - - // Find the original comment author information. - // We need this to make sure we display the comment author - // information (name and avatar) correctly. - if(strcasecmp($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_type'] === 'photo') ? t('photo') : t('status')); - - $links = array(array('rel' => 'alternate','type' => 'text/html', 'href' => $parent_item['plink'])); - $objtype = (($parent_item['resource_type'] === 'photo') ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE ); - - $body = $parent_item['body']; - - - $object = json_encode(array( - 'type' => $post_type, - 'id' => $parent_item['mid'], - 'parent' => (($parent_item['thr_parent']) ? $parent_item['thr_parent'] : $parent_item['parent_mid']), - 'link' => $links, - 'title' => $parent_item['title'], - 'content' => $parent_item['body'], - 'created' => $parent_item['created'], - 'edited' => $parent_item['edited'], - 'author' => array( - 'name' => $item_author['xchan_name'], - 'address' => $item_author['xchan_addr'], - 'guid' => $item_author['xchan_guid'], - 'guid_sig' => $item_author['xchan_guid_sig'], - 'link' => array( - array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item_author['xchan_url']), - array('rel' => 'photo', 'type' => $item_author['xchan_photo_mimetype'], 'href' => $item_author['xchan_photo_m'])), - ), - )); - - - $bodyverb = t('%1$s likes %2$s\'s %3$s'); - - $arr = array(); - - $arr['uid'] = $importer['channel_id']; - $arr['aid'] = $importer['channel_account_id']; - $arr['mid'] = $guid; - $arr['parent_mid'] = $parent_item['mid']; - $arr['owner_xchan'] = $parent_item['owner_xchan']; - $arr['author_xchan'] = $person['xchan_hash']; - - $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]'; - $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]'; - $plink = '[url='. z_root() .'/display/'.$guid.']'.$post_type.'[/url]'; - $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink ); - - $arr['app'] = 'Diaspora'; - - // set the route to that of the parent so downstream hubs won't reject it. - $arr['route'] = $parent_item['route']; - - $arr['item_private'] = $parent_item['item_private']; - $arr['verb'] = $activity; - $arr['obj_type'] = $objtype; - $arr['object'] = $object; - - if(! $parent_author_signature) { - $key = get_config('system','pubkey'); - $x = array('signer' => $diaspora_handle, 'body' => $text, - 'signed_text' => $signed_data, 'signature' => base64_encode($author_signature)); - $arr['diaspora_meta'] = json_encode($x); - } - - $x = item_store($arr); - - if($x) - $message_id = $x['item_id']; - - // if the message isn't already being relayed, notify others - // the existence of parent_author_signature means the parent_author or owner - // is already relaying. The parent_item['origin'] indicates the message was created on our system - - if(intval($parent_item['item_origin']) && (! $parent_author_signature)) - proc_run('php','include/notifier.php','comment-import',$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['channel_id'],$diaspora_handle); - if(! $contact) - return; - - if($type === 'Person') { - require_once('include/Contact.php'); - contact_remove($importer['channel_id'],$contact['abook_id']); - } - elseif($type === 'Post') { - $r = q("select * from item where mid = '%s' and uid = %d limit 1", - dbesc('guid'), - intval($importer['channel_id']) - ); - if(count($r)) { - if(link_compare($r[0]['author_xchan'],$contact['xchan_hash'])) { - drop_item($r[0]['id'],false); - } - } - } - - 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['channel_id'],$diaspora_handle); - if(! $contact) { - logger('diaspora_signed_retraction: no contact ' . $diaspora_handle . ' for ' . $importer['channel_id']); - 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') { - $r = q("select * from item where mid = '%s' and uid = %d limit 1", - dbesc($guid), - intval($importer['channel_id']) - ); - if($r) { - if($r[0]['author_xchan'] == $contact['xchan_hash']) { - - drop_item($r[0]['id'],false, DROPITEM_PHASE1); - - // 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 item_flags from item where parent = %d and id = %d limit 1", - $r[0]['parent'], - $r[0]['parent'] - ); - if($p) { - if(intval($p[0]['item_origin']) && (! $parent_author_signature)) { - - // the existence of parent_author_signature would have meant the parent_author or owner - // is already relaying. - - logger('diaspora_signed_retraction: relaying relayable_retraction'); - proc_run('php','include/notifier.php','drop',$r[0]['id']); - } - } - } - } - } - else - logger('diaspora_signed_retraction: unknown type: ' . $type); - - return 202; - // NOTREACHED -} - -function diaspora_profile($importer,$xml,$msg) { - - $a = get_app(); - $diaspora_handle = notags(unxmlify($xml->diaspora_handle)); - - - if($diaspora_handle != $msg['author']) { - logger('diaspora_post: Potential forgery. Message handle is not the same as envelope sender.'); - return 202; - } - - $contact = diaspora_get_contact_by_handle($importer['channel_id'],$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); - - - $handle_parts = explode("@", $diaspora_handle); - if($name === '') { - $name = $handle_parts[0]; - } - - if( preg_match("|^https?://|", $image_url) === 0) { - $image_url = "http://" . $handle_parts[1] . $image_url; - } - - require_once('include/photo/photo_driver.php'); - - $images = import_profile_photo($image_url,$contact['xchan_hash']); - - // 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']; - - $r = q("update xchan set xchan_name = '%s', xchan_name_date = '%s', xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s' where xchan_hash = '%s' ", - dbesc($name), - dbesc(datetime_convert()), - dbesc($images[0]), - dbesc($images[1]), - dbesc($images[2]), - dbesc($images[3]), - dbesc(datetime_convert()), - intval($contact['xchan_hash']) - ); - - return; - -} - -function diaspora_share($owner,$contact) { - $a = get_app(); - - $enabled = intval(get_config('system','diaspora_enabled')); - if(! $enabled) { - logger('diaspora_share: disabled'); - return; - } - - $allowed = get_pconfig($owner['channel_id'],'system','diaspora_allowed'); - if($allowed === false) - $allowed = 1; - - if(! intval($allowed)) { - logger('diaspora_share: disallowed for channel ' . $importer['channel_name']); - return; - } - - - - $myaddr = $owner['channel_address'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - if(! array_key_exists('xchan_hash',$contact)) { - $c = q("select * from xchan left join hubloc on xchan_hash = hubloc_hash where xchan_hash = '%s' limit 1", - dbesc($contact['hubloc_hash']) - ); - if(! $c) { - logger('diaspora_share: ' . $contact['hubloc_hash'] . ' not found.'); - return; - } - $contact = $c[0]; - } - - $theiraddr = $contact['xchan_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,$owner,$contact,$owner['channel_prvkey'],$contact['xchan_pubkey']))); - return(diaspora_transmit($owner,$contact,$slap, false)); -} - -function diaspora_unshare($owner,$contact) { - - $a = get_app(); - $myaddr = $owner['channel_address'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - $tpl = get_markup_template('diaspora_retract.tpl'); - $msg = replace_macros($tpl, array( - '$guid' => $owner['channel_guid'], - '$type' => 'Person', - '$handle' => $myaddr - )); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['channel_prvkey'],$contact['xchan_pubkey']))); - - return(diaspora_transmit($owner,$contact,$slap, false)); -} - - -function diaspora_send_status($item,$owner,$contact,$public_batch = false) { - - $a = get_app(); - $myaddr = $owner['channel_address'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - - if(intval($item['id']) != intval($item['parent'])) { - logger('attempted to send a comment as a top-level post'); - return; - } - - $images = array(); - - $title = $item['title']; - $body = bb2diaspora_itembody($item,true); - -/* - // 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); - } - } -*/ - - if(intval($item['item_consensus'])) { - $poll = replace_macros(get_markup_template('diaspora_consensus.tpl'), array( - '$guid_q' => random_string(), - '$question' => t('Please choose'), - '$guid_y' => random_string(), - '$agree' => t('Agree'), - '$guid_n' => random_string(), - '$disagree' => t('Disagree'), - '$guid_a' => random_string(), - '$abstain' => t('Abstain') - )); - } - else - $poll = ''; - - $public = (($item['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'); - - // Detect a share element and do a reshare - // see: https://github.com/Raven24/diaspora-federation/blob/master/lib/diaspora-federation/entities/reshare.rb - if (!$item['item_private'] AND ($ret = diaspora_is_reshare($item["body"]))) { - $tpl = get_markup_template('diaspora_reshare.tpl'); - $msg = replace_macros($tpl, array( - '$root_handle' => xmlify($ret['root_handle']), - '$root_guid' => $ret['root_guid'], - '$guid' => $item['mid'], - '$handle' => xmlify($myaddr), - '$public' => $public, - '$created' => $created, - '$provider' => (($item['app']) ? $item['app'] : t('$projectname')) - )); - } else { - $tpl = get_markup_template('diaspora_post.tpl'); - $msg = replace_macros($tpl, array( - '$body' => xmlify($body), - '$guid' => $item['mid'], - '$poll' => $poll, - '$handle' => xmlify($myaddr), - '$public' => $public, - '$created' => $created, - '$provider' => (($item['app']) ? $item['app'] : t('$projectname')) - )); - } - - logger('diaspora_send_status: '.$owner['channel_name'].' -> '.$contact['xchan_name'].' base message: ' . $msg, LOGGER_DATA); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['channel_prvkey'],$contact['xchan_pubkey'],$public_batch))); - - $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch); - -// logger('diaspora_send_status: guid: '.$item['mid'].' result '.$return_code, LOGGER_DEBUG); - - if(count($images)) { - diaspora_send_images($item,$owner,$contact,$images,$public_batch); - } - - return $return_code; -} - -function diaspora_is_reshare($body) { - - $body = trim($body); - - // Skip if it isn't a pure repeated messages - // Does it start with a share? - if(strpos($body, "[share") > 0) - return(false); - - // Does it end with a share? - if(strlen($body) > (strrpos($body, "[/share]") + 8)) - return(false); - - $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body); - // Skip if there is no shared message in there - if ($body == $attributes) - return(false); - - $profile = ""; - preg_match("/profile='(.*?)'/ism", $attributes, $matches); - if ($matches[1] != "") - $profile = $matches[1]; - - preg_match('/profile="(.*?)"/ism', $attributes, $matches); - if ($matches[1] != "") - $profile = $matches[1]; - - $ret= array(); - - $ret["root_handle"] = preg_replace("=https?://(.*)/u/(.*)=ism", "$2@$1", $profile); - if (($ret["root_handle"] == $profile) OR ($ret["root_handle"] == "")) - return(false); - - $link = ""; - preg_match("/link='(.*?)'/ism", $attributes, $matches); - if ($matches[1] != "") - $link = $matches[1]; - - preg_match('/link="(.*?)"/ism', $attributes, $matches); - if ($matches[1] != "") - $link = $matches[1]; - - $ret["root_guid"] = preg_replace("=https?://(.*)/posts/(.*)=ism", "$2", $link); - if (($ret["root_guid"] == $link) OR ($ret["root_guid"] == "")) - return(false); - - return($ret); -} - -function diaspora_send_images($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(! $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]['resource_id']), - '$handle' => xmlify($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,$owner['channel_prvkey'],$contact['xchan_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['channel_address'] . '@' . get_app()->get_hostname(); - $theiraddr = $contact['xchan_addr']; - - // Diaspora doesn't support threaded comments, but some - // versions of Diaspora (i.e. Diaspora-pistos) support - // likes on comments - if(($item['verb'] === ACTIVITY_LIKE || $item['verb'] === ACTIVITY_DISLIKE) && $item['thr_parent']) { - $p = q("select mid, parent_mid from item where mid = '%s' limit 1", - dbesc($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. - $p = q("select * from item where parent = %d and id = %d limit 1", - intval($item['parent']), - intval($item['parent']) - ); - } - if($p) - $parent = $p[0]; - else - return; - - - if(($item['verb'] === ACTIVITY_LIKE) && ($parent['mid'] === $parent['parent_mid'])) { - $tpl = get_markup_template('diaspora_like.tpl'); - $like = true; - $target_type = 'Post'; - $positive = 'true'; - - if(intval($item['item_deleted'])) - logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction'); - } - else { - $tpl = get_markup_template('diaspora_comment.tpl'); - $like = false; - } - - if($item['diaspora_meta'] && ! $like) { - $diaspora_meta = json_decode($item['diaspora_meta'],true); - if($diaspora_meta) { - if(array_key_exists('iv',$diaspora_meta)) { - $key = get_config('system','prvkey'); - $meta = json_decode(crypto_unencapsulate($diaspora_meta,$key),true); - } - else - $meta = $diaspora_meta; - } - $signed_text = $meta['signed_text']; - $authorsig = $meta['signature']; - $signer = $meta['signer']; - $text = $meta['body']; - } - else { - $text = bb2diaspora_itembody($item); - - // sign it - - if($like) - $signed_text = $item['mid'] . ';' . $target_type . ';' . $parent['mid'] . ';' . $positive . ';' . $myaddr; - else - $signed_text = $item['mid'] . ';' . $parent['mid'] . ';' . $text . ';' . $myaddr; - - $authorsig = base64_encode(rsa_sign($signed_text,$owner['channel_prvkey'],'sha256')); - - } - - $msg = replace_macros($tpl,array( - '$guid' => xmlify($item['mid']), - '$parent_guid' => xmlify($parent['mid']), - '$target_type' =>xmlify($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,$owner['channel_prvkey'],$contact['xchan_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['channel_address'] . '@' . get_app()->get_hostname(); - - $text = bb2diaspora_itembody($item); - - $body = $text; - - // Diaspora doesn't support threaded comments, but some - // versions of Diaspora (i.e. Diaspora-pistos) support - // likes on comments - - if($item['verb'] === ACTIVITY_LIKE && $item['thr_parent']) { - $p = q("select * from item where mid = '%s' limit 1", - dbesc($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. - $p = q("select * from item where parent = %d and id = %d limit 1", - intval($item['parent']), - intval($item['parent']) - ); - } - - if($p) - $parent = $p[0]; - else { - logger('diaspora_send_relay: no parent'); - return; - } - - $like = false; - $relay_retract = false; - $sql_sign_id = 'iid'; - - if( intval($item['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['mid'] === $parent['parent_mid'] ? 'Post' : 'Comment'); -// $positive = (intval($item['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'); - } - - $diaspora_meta = (($item['diaspora_meta']) ? json_decode($item['diaspora_meta'],true) : ''); - if($diaspora_meta) { - if(array_key_exists('iv',$diaspora_meta)) { - $key = get_config('system','prvkey'); - $meta = json_decode(crypto_unencapsulate($diaspora_meta,$key),true); - } - else - $meta = $diaspora_meta; - $sender_signed_text = $meta['signed_text']; - $authorsig = $meta['signature']; - $handle = $meta['signer']; - $text = $meta['body']; - } - else - logger('diaspora_send_relay: original author signature not found'); - - /* Since the author signature is only checked by the parent, not by the relay recipients, - * I think it may not be necessary for us to do so much work to preserve all the original - * signatures. The important thing that Diaspora DOES need is the original creator's handle. - * Let's just generate that and forget about all the original author signature stuff. - * - * Note: this might be more of an problem if we want to support likes on comments for older - * versions of Diaspora (diaspora-pistos), but since there are a number of problems with - * doing that, let's ignore it for now. - * - * - */ -// bug - nomadic identity may/will affect diaspora_handle_from_contact - if(! $handle) { - if($item['author_xchan'] === $owner['channel_hash']) - $handle = $owner['channel_address'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3); - else - $handle = diaspora_handle_from_contact($item['author_xchan']); - } - if(! $handle) { - logger('diaspora_send_relay: no handle'); - return; - } - - if(! $sender_signed_text) { - if($relay_retract) - $sender_signed_text = $item['mid'] . ';' . $target_type; - elseif($like) - $sender_signed_text = $positive . ';' . $item['mid'] . ';' . $target_type . ';' . $parent['mid'] . ';' . $handle; - else - $sender_signed_text = $item['mid'] . ';' . $parent['mid'] . ';' . $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['channel_prvkey'],'sha256')); - - if(! $text) - logger('diaspora_send_relay: no text'); - - $msg = replace_macros($tpl,array( - '$guid' => xmlify($item['mid']), - '$parent_guid' => xmlify($parent['mid']), - '$target_type' =>xmlify($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,$owner['channel_prvkey'],$contact['xchan_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['channel_address'] . '@' . get_app()->get_hostname(); - - // Check whether the retraction is for a top-level post or whether it's a relayable - if( $item['mid'] !== $item['parent_mid'] ) { - - $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['mid'] . ';' . $target_type; - - $msg = replace_macros($tpl, array( - '$guid' => xmlify($item['mid']), - '$type' => xmlify($target_type), - '$handle' => xmlify($myaddr), - '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['channel_prvkey'],'sha256'))) - )); - - $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['channel_prvkey'],$contact['xchan_pubkey'],$public_batch))); - - return(diaspora_transmit($owner,$contact,$slap,$public_batch)); -} - -function diaspora_send_mail($item,$owner,$contact) { - - $a = get_app(); - $myaddr = $owner['channel_address'] . '@' . get_app()->get_hostname(); - - $r = q("select * from conv where id = %d and uid = %d limit 1", - intval($item['convid']), - intval($item['channel_id']) - ); - - if(! count($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']) - ); - - if(array_key_exists('mail_obscured',$item) && intval($item['mail_obscured'])) { - if($item['title']) - $item['title'] = base64url_decode(str_rot47($item['title'])); - if($item['body']) - $item['body'] = base64url_decode(str_rot47($item['body'])); - } - - - $body = bb2diaspora($item['body']); - $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C'); - - $signed_text = $item['mid'] . ';' . $cnv['guid'] . ';' . $body . ';' - . $created . ';' . $myaddr . ';' . $cnv['guid']; - - $sig = base64_encode(rsa_sign($signed_text,$owner['channel_prvkey'],'sha256')); - - $msg = array( - 'guid' => xmlify($item['mid']), - '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,$owner['channel_prvkey'],$contact['xchan_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; - } - - $allowed = get_pconfig($owner['channel_id'],'system','diaspora_allowed'); - if($allowed === false) - $allowed = 1; - - if(! intval($allowed)) { - return 200; - } - - if($public_batch) - $dest_url = $contact['hubloc_callback'] . '/public'; - else - $dest_url = $contact['hubloc_callback'] . '/users/' . $contact['hubloc_guid']; - - logger('diaspora_transmit: URL: ' . $dest_url, LOGGER_DEBUG); - - if(intval(get_config('system','diaspora_test'))) - return 200; - - $a = get_app(); - $logid = random_string(4); - - logger('diaspora_transmit: ' . $logid . ' ' . $dest_url, LOGGER_DEBUG); - - $hash = random_string(); - - $interval = ((get_config('system','delivery_interval') !== false) - ? intval(get_config('system','delivery_interval')) : 2 ); - - q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )", - dbesc($hash), - intval($owner['account_id']), - intval($owner['channel_id']), - dbesc('post'), - dbesc($dest_url), - intval(1), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(''), - dbesc($slap) - ); - - proc_run('php','include/deliver.php',$hash); - if($interval) - @time_sleep_until(microtime(true) + (float) $interval); - -} diff --git a/include/notifier.php b/include/notifier.php index e4cfbd85d..62aea4106 100644 --- a/include/notifier.php +++ b/include/notifier.php @@ -113,11 +113,9 @@ function notifier_run($argv, $argc){ intval($r[0]['abook_channel']) ); if($s) { - if($r[0]['hubloc_network'] === 'diaspora' || $r[0]['hubloc_network'] === 'friendica-over-diaspora') { - require_once('include/diaspora.php'); - diaspora_share($s[0],$r[0]); - } - else { + $perm_update = array('sender' => $s[0], 'recipient' => $r[0], 'success' => false); + call_hooks('permissions_update',$perm_update); + if(! $perm_update['success']) { // send a refresh message to each hub they have registered here $h = q("select * from hubloc where hubloc_hash = '%s' and not (hubloc_flags & %d) > 0 and not (hubloc_status & %d) > 0", @@ -606,18 +604,9 @@ function notifier_run($argv, $argc){ foreach($dhubs as $hub) { - if($hub['hubloc_network'] === 'diaspora' || $hub['hubloc_network'] === 'friendica-over-diaspora') { - if(! get_config('system','diaspora_enabled')) - continue; - - // allow this to be set per message - - if(strpos($target_item['postopts'],'nodspr') !== false) - continue; - - require_once('include/diaspora.php'); + if($hub['hubloc_network'] !== 'zot') { - diaspora_process_outbound(array( + $narr = array( 'channel' => $channel, 'env_recips' => $env_recips, 'recipients' => $recipients, @@ -638,13 +627,14 @@ function notifier_run($argv, $argc){ 'normal_mode' => $normal_mode, 'packet_type' => $packet_type, 'walltowall' => $walltowall - )); + ); + + call_hooks('notifier_hub',$narr); continue; } - // default: zot protocol -- cgit v1.2.3