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authorredmatrix <redmatrix@redmatrix.me>2015-08-02 17:38:34 -0700
committerredmatrix <redmatrix@redmatrix.me>2015-08-02 17:38:34 -0700
commit9f5dfe797bb8c68b7ba4935abe87f355bd56f04f (patch)
treea1cd59eb387b298bb261d28955a4d858cc037586
parent49532aa6dd63d2f3fd95a0e20c0dd0529b320ed5 (diff)
downloadvolse-hubzilla-9f5dfe797bb8c68b7ba4935abe87f355bd56f04f.tar.gz
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begin moving diaspora to plugin
-rwxr-xr-xinclude/diaspora.php3021
-rw-r--r--include/notifier.php26
-rw-r--r--mod/p.php51
-rw-r--r--mod/receive.php76
4 files changed, 8 insertions, 3166 deletions
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 @@
-<?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;
- }
-
- $sys_disabled = true;
-
- if(! get_config('system','disable_discover_tab')) {
- $sys_disabled = get_config('system','disable_diaspora_discover_tab');
- }
- $sys = (($sys_disabled) ? null : get_sys_channel());
-
- // find everybody following or allowing this author
-
- $r = q("SELECT * from channel where channel_id in ( SELECT abook_channel from abook left join xchan on abook_xchan = xchan_hash WHERE xchan_network like '%%diaspora%%' and xchan_addr = '%s' ) and channel_removed = 0 ",
- dbesc($msg['author'])
- );
-
- // also need to look for those following public streams
-
- if($r) {
- foreach($r as $rr) {
- logger('diaspora_public: delivering to: ' . $rr['channel_name'] . ' (' . $rr['channel_address'] . ') ');
- diaspora_dispatch($rr,$msg);
- }
- }
- else {
- if(! $sys)
- logger('diaspora_public: no subscribers');
- }
-
- if($sys) {
- $sys['system'] = true;
- logger('diaspora_public: delivering to sys.');
- diaspora_dispatch($sys,$msg);
- }
-}
-
-
-
-function diaspora_dispatch($importer,$msg) {
-
- $ret = 0;
-
- if(! array_key_exists('system',$importer))
- $importer['system'] = false;
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod-diaspora: disabled');
- return;
- }
-
- $allowed = get_pconfig($importer['channel_id'],'system','diaspora_allowed');
-
- if(! intval($allowed)) {
- logger('mod-diaspora: disallowed for channel ' . $importer['channel_name']);
- 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_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);
-
-$magic_env = <<< EOT
-<?xml version='1.0' encoding='UTF-8'?>
-<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
- <header>
- <author_id>$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,$channel,$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);
-
-$decrypted_header = <<< EOT
-<decrypted_header>
- <iv>$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['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
- *
- * <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_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
diff --git a/mod/p.php b/mod/p.php
deleted file mode 100644
index 4e411a17b..000000000
--- a/mod/p.php
+++ /dev/null
@@ -1,51 +0,0 @@
-<?php /** @file */
-
-require_once('include/bb2diaspora.php');
-
-// used in Diaspora communications to provide a server copy of a sent post in XML format.
-
-function p_init(&$a) {
-
- if(argc() < 2)
- http_status_exit(401);
-
- $mid = str_replace('.xml','',argv(1));
-
- $r = q("select * from item where mid = '%s' and item_wall = 1 and item_private = 0 limit 1",
- dbesc($mid)
- );
-
-
- if((! $r) || (! perm_is_allowed($r[0]['uid'],'','view_stream')))
- http_status_exit(404);
-
-
- $c = q("select * from channel where channel_id = %d limit 1",
- intval($r[0]['uid'])
- );
-
- if(! $c)
- http_status_exit(404);
-
- $myaddr = $c[0]['channel_address'] . '@' . $a->get_hostname();
-
- $item = $r[0];
-
- $title = $item['title'];
- $body = bb2diaspora_itembody($item);
- $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
-
- $tpl = get_markup_template('diaspora_post.tpl');
- $msg = replace_macros($tpl, array(
- '$body' => xmlify($body),
- '$guid' => $item['mid'],
- '$handle' => xmlify($myaddr),
- '$public' => 'true',
- '$created' => $created,
- '$provider' => (($item['app']) ? $item['app'] : t('$projectname'))
- ));
-
- header('Content-type: text/xml');
- echo $msg;
- killme();
-} \ No newline at end of file
diff --git a/mod/receive.php b/mod/receive.php
deleted file mode 100644
index 571f736ed..000000000
--- a/mod/receive.php
+++ /dev/null
@@ -1,76 +0,0 @@
-<?php
-
-/**
- * Diaspora endpoint
- */
-
-require_once('include/crypto.php');
-require_once('include/diaspora.php');
-
-
-function receive_post(&$a) {
-
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod-diaspora: disabled');
- http_status_exit(500);
- }
-
- $public = false;
-
- if((argc() == 2) && (argv(1) === 'public')) {
- $public = true;
- }
- else {
-
- if(argc() != 3 || argv(1) !== 'users')
- http_status_exit(500);
-
- $guid = argv(2);
-
- // Diaspora sites *may* provide a truncated guid.
-
- $r = q("SELECT * FROM channel left join xchan on channel_hash = xchan_hash WHERE channel_guid like '%s' AND channel_removed = 0 LIMIT 1",
- dbesc($guid . '%')
- );
- if(! $r)
- http_status_exit(500);
-
- $importer = $r[0];
- }
-
- // It is an application/x-www-form-urlencoded that has been urlencoded twice.
-
- logger('mod-diaspora: receiving post', LOGGER_DEBUG);
-
- $xml = urldecode($_POST['xml']);
-
- logger('mod-diaspora: new salmon ' . $xml, LOGGER_DATA);
-
- if(! $xml)
- http_status_exit(500);
-
- logger('mod-diaspora: message is okay', LOGGER_DEBUG);
-
- $msg = diaspora_decode($importer,$xml);
-
- logger('mod-diaspora: decoded', LOGGER_DEBUG);
-
- logger('mod-diaspora: decoded msg: ' . print_r($msg,true), LOGGER_DATA);
-
- if(! is_array($msg))
- http_status_exit(500);
-
- logger('mod-diaspora: dispatching', LOGGER_DEBUG);
-
- $ret = 0;
- if($public)
- diaspora_dispatch_public($msg);
- else
- $ret = diaspora_dispatch($importer,$msg);
-
- http_status_exit(($ret) ? $ret : 200);
- // NOTREACHED
-}
-