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authorfriendica <info@friendica.com>2012-07-18 04:49:15 -0700
committerfriendica <info@friendica.com>2012-07-18 04:49:15 -0700
commitd683df17bd530739bc64c79f152957ab229b6a02 (patch)
tree80d8a9e92d764aeacbb7bc09551ca1e501456ace /include/diaspora.php
parent22cf19e174bcee88b44968f2773d1bad2da2b54d (diff)
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Removing connectors we won't be needing - this is probably going to break some shit.
Diffstat (limited to 'include/diaspora.php')
-rwxr-xr-xinclude/diaspora.php2571
1 files changed, 0 insertions, 2571 deletions
diff --git a/include/diaspora.php b/include/diaspora.php
deleted file mode 100755
index 69eaca16e..000000000
--- a/include/diaspora.php
+++ /dev/null
@@ -1,2571 +0,0 @@
-<?php
-
-require_once('include/crypto.php');
-require_once('include/items.php');
-require_once('include/bb2diaspora.php');
-require_once('include/contact_selectors.php');
-require_once('include/queue_fn.php');
-require_once('include/lock.php');
-
-
-function diaspora_dispatch_public($msg) {
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod-diaspora: disabled');
- return;
- }
-
- $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN ( SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s' ) AND `account_expired` = 0 ",
- dbesc(NETWORK_DIASPORA),
- dbesc($msg['author'])
- );
- if(count($r)) {
- foreach($r as $rr) {
- logger('diaspora_public: delivering to: ' . $rr['username']);
- diaspora_dispatch($rr,$msg);
- }
- }
- else
- logger('diaspora_public: no subscribers');
-}
-
-
-
-function diaspora_dispatch($importer,$msg) {
-
- $ret = 0;
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod-diaspora: disabled');
- return;
- }
-
- // php doesn't like dashes in variable names
-
- $msg['message'] = str_replace(
- array('<activity_streams-photo>','</activity_streams-photo>'),
- array('<asphoto>','</asphoto>'),
- $msg['message']);
-
-
- $parsed_xml = parse_xml_string($msg['message'],false);
-
- $xmlbase = $parsed_xml->post;
-
- logger('diaspora_dispatch: ' . print_r($xmlbase,true), LOGGER_DEBUG);
-
-
- if($xmlbase->request) {
- $ret = diaspora_request($importer,$xmlbase->request);
- }
- elseif($xmlbase->status_message) {
- $ret = diaspora_post($importer,$xmlbase->status_message);
- }
- elseif($xmlbase->profile) {
- $ret = diaspora_profile($importer,$xmlbase->profile);
- }
- elseif($xmlbase->comment) {
- $ret = diaspora_comment($importer,$xmlbase->comment,$msg);
- }
- elseif($xmlbase->like) {
- $ret = diaspora_like($importer,$xmlbase->like,$msg);
- }
- elseif($xmlbase->asphoto) {
- $ret = diaspora_asphoto($importer,$xmlbase->asphoto);
- }
- elseif($xmlbase->reshare) {
- $ret = diaspora_reshare($importer,$xmlbase->reshare);
- }
- elseif($xmlbase->retraction) {
- $ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
- }
- elseif($xmlbase->signed_retraction) {
- $ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
- }
- elseif($xmlbase->relayable_retraction) {
- $ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
- }
- elseif($xmlbase->photo) {
- $ret = diaspora_photo($importer,$xmlbase->photo,$msg);
- }
- elseif($xmlbase->conversation) {
- $ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
- }
- elseif($xmlbase->message) {
- $ret = diaspora_message($importer,$xmlbase->message,$msg);
- }
- else {
- logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
- }
- return $ret;
-}
-
-function diaspora_get_contact_by_handle($uid,$handle) {
- $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `addr` = '%s' LIMIT 1",
- dbesc(NETWORK_DIASPORA),
- intval($uid),
- dbesc($handle)
- );
- if($r && count($r))
- return $r[0];
- return false;
-}
-
-function find_diaspora_person_by_handle($handle) {
-
- $person = false;
- $update = false;
- $got_lock = false;
-
- $endlessloop = 0;
- $maxloops = 10;
-
- do {
- $r = q("select * from fcontact where network = '%s' and addr = '%s' limit 1",
- dbesc(NETWORK_DIASPORA),
- dbesc($handle)
- );
- if(count($r)) {
- $person = $r[0];
- logger('find_diaspora_person_by handle: in cache ' . print_r($r,true), LOGGER_DEBUG);
-
- // update record occasionally so it doesn't get stale
- $d = strtotime($person['updated'] . ' +00:00');
- if($d < strtotime('now - 14 days'))
- $update = true;
- }
-
-
- // FETCHING PERSON INFORMATION FROM REMOTE SERVER
- //
- // If the person isn't in our 'fcontact' table, or if he/she is but
- // his/her information hasn't been updated for more than 14 days, then
- // we want to fetch the person's information from the remote server.
- //
- // Note that $person isn't changed by this block of code unless the
- // person's information has been successfully fetched from the remote
- // server. So if $person was 'false' to begin with (because he/she wasn't
- // in the local cache), it'll stay false, and if $person held the local
- // cache information to begin with, it'll keep that information. That way
- // if there's a problem with the remote fetch, we can at least use our
- // cached information--it's better than nothing.
-
- if((! $person) || ($update)) {
- // Lock the function to prevent race conditions if multiple items
- // come in at the same time from a person who doesn't exist in
- // fcontact
- //
- // Don't loop forever. On the last loop, try to create the contact
- // whether the function is locked or not. Maybe the locking thread
- // has died or something. At any rate, a duplicate in 'fcontact'
- // is a much smaller problem than a deadlocked thread
- $got_lock = lock_function('find_diaspora_person_by_handle', false);
- if(($endlessloop + 1) >= $maxloops)
- $got_lock = true;
-
- if($got_lock) {
- logger('find_diaspora_person_by_handle: create or refresh', LOGGER_DEBUG);
- require_once('include/Scrape.php');
- $r = probe_url($handle, PROBE_DIASPORA);
-
- // Note that Friendica contacts can return a "Diaspora person"
- // if Diaspora connectivity is enabled on their server
- if((count($r)) && ($r['network'] === NETWORK_DIASPORA)) {
- add_fcontact($r,$update);
- $person = ($r);
- }
-
- unlock_function('find_diaspora_person_by_handle');
- }
- else {
- logger('find_diaspora_person_by_handle: couldn\'t lock function', LOGGER_DEBUG);
- if(! $person)
- block_on_function_lock('find_diaspora_person_by_handle');
- }
- }
- } while((! $person) && (! $got_lock) && (++$endlessloop < $maxloops));
- // We need to try again if the person wasn't in 'fcontact' but the function was locked.
- // The fact that the function was locked may mean that another process was creating the
- // person's record. It could also mean another process was creating or updating an unrelated
- // person.
- //
- // At any rate, we need to keep trying until we've either got the person or had a chance to
- // try to fetch his/her remote information. But we don't want to block on locking the
- // function, because if the other process is creating the record, then when we acquire the lock
- // we'll dive right into creating another, duplicate record. We DO want to at least wait
- // until the lock is released, so we don't flood the database with requests.
- //
- // If the person was in the 'fcontact' table, don't try again. It's not worth the time, since
- // we do have some information for the person
-
- return $person;
-}
-
-
-function get_diaspora_key($uri) {
- logger('Fetching diaspora key for: ' . $uri);
-
- $r = find_diaspora_person_by_handle($uri);
- if($r)
- return $r['pubkey'];
- return '';
-}
-
-
-function diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey) {
- $a = get_app();
-
- logger('diaspora_pubmsg_build: ' . $msg, LOGGER_DATA);
-
-
- $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-
-// $b64_data = base64_encode($msg);
-// $b64url_data = base64url_encode($b64_data);
-
- $b64url_data = base64url_encode($msg);
-
- $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
-
- $type = 'application/xml';
- $encoding = 'base64url';
- $alg = 'RSA-SHA256';
-
- $signable_data = $data . '.' . base64url_encode($type) . '.'
- . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
-
- $signature = rsa_sign($signable_data,$prvkey);
- $sig = base64url_encode($signature);
-
-$magic_env = <<< EOT
-<?xml version='1.0' encoding='UTF-8'?>
-<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
- <header>
- <author_id>$handle</author_id>
- </header>
- <me:env>
- <me:encoding>base64url</me:encoding>
- <me:alg>RSA-SHA256</me:alg>
- <me:data type="application/xml">$data</me:data>
- <me:sig>$sig</me:sig>
- </me:env>
-</diaspora>
-EOT;
-
- logger('diaspora_pubmsg_build: magic_env: ' . $magic_env, LOGGER_DATA);
- return $magic_env;
-
-}
-
-
-
-
-function diaspora_msg_build($msg,$user,$contact,$prvkey,$pubkey,$public = false) {
- $a = get_app();
-
- if($public)
- return diaspora_pubmsg_build($msg,$user,$contact,$prvkey,$pubkey);
-
- logger('diaspora_msg_build: ' . $msg, LOGGER_DATA);
-
- // without a public key nothing will work
-
- if(! $pubkey) {
- logger('diaspora_msg_build: pubkey missing: contact id: ' . $contact['id']);
- return '';
- }
-
- $inner_aes_key = random_string(32);
- $b_inner_aes_key = base64_encode($inner_aes_key);
- $inner_iv = random_string(16);
- $b_inner_iv = base64_encode($inner_iv);
-
- $outer_aes_key = random_string(32);
- $b_outer_aes_key = base64_encode($outer_aes_key);
- $outer_iv = random_string(16);
- $b_outer_iv = base64_encode($outer_iv);
-
- $handle = $user['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-
- $padded_data = pkcs5_pad($msg,16);
- $inner_encrypted = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $padded_data, MCRYPT_MODE_CBC, $inner_iv);
-
- $b64_data = base64_encode($inner_encrypted);
-
-
- $b64url_data = base64url_encode($b64_data);
- $data = str_replace(array("\n","\r"," ","\t"),array('','','',''),$b64url_data);
-
- $type = 'application/xml';
- $encoding = 'base64url';
- $alg = 'RSA-SHA256';
-
- $signable_data = $data . '.' . base64url_encode($type) . '.'
- . base64url_encode($encoding) . '.' . base64url_encode($alg) ;
-
- $signature = rsa_sign($signable_data,$prvkey);
- $sig = base64url_encode($signature);
-
-$decrypted_header = <<< EOT
-<decrypted_header>
- <iv>$b_inner_iv</iv>
- <aes_key>$b_inner_aes_key</aes_key>
- <author_id>$handle</author_id>
-</decrypted_header>
-EOT;
-
- $decrypted_header = pkcs5_pad($decrypted_header,16);
-
- $ciphertext = mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $outer_aes_key, $decrypted_header, MCRYPT_MODE_CBC, $outer_iv);
-
- $outer_json = json_encode(array('iv' => $b_outer_iv,'key' => $b_outer_aes_key));
-
- $encrypted_outer_key_bundle = '';
- openssl_public_encrypt($outer_json,$encrypted_outer_key_bundle,$pubkey);
-
- $b64_encrypted_outer_key_bundle = base64_encode($encrypted_outer_key_bundle);
-
- logger('outer_bundle: ' . $b64_encrypted_outer_key_bundle . ' key: ' . $pubkey, LOGGER_DATA);
-
- $encrypted_header_json_object = json_encode(array('aes_key' => base64_encode($encrypted_outer_key_bundle),
- 'ciphertext' => base64_encode($ciphertext)));
- $cipher_json = base64_encode($encrypted_header_json_object);
-
- $encrypted_header = '<encrypted_header>' . $cipher_json . '</encrypted_header>';
-
-$magic_env = <<< EOT
-<?xml version='1.0' encoding='UTF-8'?>
-<diaspora xmlns="https://joindiaspora.com/protocol" xmlns:me="http://salmon-protocol.org/ns/magic-env" >
- $encrypted_header
- <me:env>
- <me:encoding>base64url</me:encoding>
- <me:alg>RSA-SHA256</me:alg>
- <me:data type="application/xml">$data</me:data>
- <me:sig>$sig</me:sig>
- </me:env>
-</diaspora>
-EOT;
-
- logger('diaspora_msg_build: magic_env: ' . $magic_env, LOGGER_DATA);
- return $magic_env;
-
-}
-
-/**
- *
- * diaspora_decode($importer,$xml)
- * array $importer -> from user table
- * string $xml -> urldecoded Diaspora salmon
- *
- * Returns array
- * 'message' -> decoded Diaspora XML message
- * 'author' -> author diaspora handle
- * 'key' -> author public key (converted to pkcs#8)
- *
- * Author and key are used elsewhere to save a lookup for verifying replies and likes
- */
-
-
-function diaspora_decode($importer,$xml) {
-
- $public = false;
- $basedom = parse_xml_string($xml);
-
- $children = $basedom->children('https://joindiaspora.com/protocol');
-
- if($children->header) {
- $public = true;
- $author_link = str_replace('acct:','',$children->header->author_id);
- }
- else {
-
- $encrypted_header = json_decode(base64_decode($children->encrypted_header));
-
- $encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
- $ciphertext = base64_decode($encrypted_header->ciphertext);
-
- $outer_key_bundle = '';
- openssl_private_decrypt($encrypted_aes_key_bundle,$outer_key_bundle,$importer['prvkey']);
-
- $j_outer_key_bundle = json_decode($outer_key_bundle);
-
- $outer_iv = base64_decode($j_outer_key_bundle->iv);
- $outer_key = base64_decode($j_outer_key_bundle->key);
-
- $decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $outer_key, $ciphertext, MCRYPT_MODE_CBC, $outer_iv);
-
-
- $decrypted = pkcs5_unpad($decrypted);
-
- /**
- * $decrypted now contains something like
- *
- * <decrypted_header>
- * <iv>8e+G2+ET8l5BPuW0sVTnQw==</iv>
- * <aes_key>UvSMb4puPeB14STkcDWq+4QE302Edu15oaprAQSkLKU=</aes_key>
-
-***** OBSOLETE
-
- * <author>
- * <name>Ryan Hughes</name>
- * <uri>acct:galaxor@diaspora.pirateship.org</uri>
- * </author>
-
-***** CURRENT
-
- * <author_id>galaxor@diaspora.priateship.org</author_id>
-
-***** END DIFFS
-
- * </decrypted_header>
- */
-
- logger('decrypted: ' . $decrypted, LOGGER_DEBUG);
- $idom = parse_xml_string($decrypted,false);
-
- $inner_iv = base64_decode($idom->iv);
- $inner_aes_key = base64_decode($idom->aes_key);
-
- $author_link = str_replace('acct:','',$idom->author_id);
-
- }
-
- $dom = $basedom->children(NAMESPACE_SALMON_ME);
-
- // figure out where in the DOM tree our data is hiding
-
- if($dom->provenance->data)
- $base = $dom->provenance;
- elseif($dom->env->data)
- $base = $dom->env;
- elseif($dom->data)
- $base = $dom;
-
- if(! $base) {
- logger('mod-diaspora: unable to locate salmon data in xml ');
- http_status_exit(400);
- }
-
-
- // Stash the signature away for now. We have to find their key or it won't be good for anything.
- $signature = base64url_decode($base->sig);
-
- // unpack the data
-
- // strip whitespace so our data element will return to one big base64 blob
- $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
-
-
- // stash away some other stuff for later
-
- $type = $base->data[0]->attributes()->type[0];
- $keyhash = $base->sig[0]->attributes()->keyhash[0];
- $encoding = $base->encoding;
- $alg = $base->alg;
-
-
- $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
-
-
- // decode the data
- $data = base64url_decode($data);
-
-
- if($public) {
- $inner_decrypted = $data;
- }
- else {
-
- // Decode the encrypted blob
-
- $inner_encrypted = base64_decode($data);
- $inner_decrypted = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $inner_aes_key, $inner_encrypted, MCRYPT_MODE_CBC, $inner_iv);
- $inner_decrypted = pkcs5_unpad($inner_decrypted);
- }
-
- if(! $author_link) {
- logger('mod-diaspora: Could not retrieve author URI.');
- http_status_exit(400);
- }
-
- // Once we have the author URI, go to the web and try to find their public key
- // (first this will look it up locally if it is in the fcontact cache)
- // This will also convert diaspora public key from pkcs#1 to pkcs#8
-
- logger('mod-diaspora: Fetching key for ' . $author_link );
- $key = get_diaspora_key($author_link);
-
- if(! $key) {
- logger('mod-diaspora: Could not retrieve author key.');
- http_status_exit(400);
- }
-
- $verify = rsa_verify($signed_data,$signature,$key);
-
- if(! $verify) {
- logger('mod-diaspora: Message did not verify. Discarding.');
- http_status_exit(400);
- }
-
- logger('mod-diaspora: Message verified.');
-
- return array('message' => $inner_decrypted, 'author' => $author_link, 'key' => $key);
-
-}
-
-
-function diaspora_request($importer,$xml) {
-
- $a = get_app();
-
- $sender_handle = unxmlify($xml->sender_handle);
- $recipient_handle = unxmlify($xml->recipient_handle);
-
- if(! $sender_handle || ! $recipient_handle)
- return;
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
-
- if($contact) {
-
- // perhaps we were already sharing with this person. Now they're sharing with us.
- // That makes us friends.
-
- if($contact['rel'] == CONTACT_IS_FOLLOWER && $importer['page-flags'] != PAGE_COMMUNITY) {
- q("UPDATE `contact` SET `rel` = %d, `writable` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval(CONTACT_IS_FRIEND),
- intval($contact['id']),
- intval($importer['uid'])
- );
- }
- // send notification
-
- $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
- intval($importer['uid'])
- );
-
- if((count($r)) && (! $r[0]['hide-friends']) && (! $contact['hidden'])) {
- require_once('include/items.php');
-
- $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
- intval($importer['uid'])
- );
-
- // they are not CONTACT_IS_FOLLOWER anymore but that's what we have in the array
-
- if(count($self) && $contact['rel'] == CONTACT_IS_FOLLOWER) {
-
- $arr = array();
- $arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $importer['uid']);
- $arr['uid'] = $importer['uid'];
- $arr['contact-id'] = $self[0]['id'];
- $arr['wall'] = 1;
- $arr['type'] = 'wall';
- $arr['gravity'] = 0;
- $arr['origin'] = 1;
- $arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
- $arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
- $arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
- $arr['verb'] = ACTIVITY_FRIEND;
- $arr['object-type'] = ACTIVITY_OBJ_PERSON;
-
- $A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
- $B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
- $BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
- $arr['body'] = sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$Bphoto;
-
- $arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
- . '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
- $arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
- $arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
- $arr['object'] .= '</link></object>' . "\n";
- $arr['last-child'] = 1;
-
- $arr['allow_cid'] = $user[0]['allow_cid'];
- $arr['allow_gid'] = $user[0]['allow_gid'];
- $arr['deny_cid'] = $user[0]['deny_cid'];
- $arr['deny_gid'] = $user[0]['deny_gid'];
-
- $i = item_store($arr);
- if($i)
- proc_run('php',"include/notifier.php","activity","$i");
-
- }
-
- }
-
- return;
- }
-
- $ret = find_diaspora_person_by_handle($sender_handle);
-
-
- if((! count($ret)) || ($ret['network'] != NETWORK_DIASPORA)) {
- logger('diaspora_request: Cannot resolve diaspora handle ' . $sender_handle . ' for ' . $recipient_handle);
- return;
- }
-
- $batch = (($ret['batch']) ? $ret['batch'] : implode('/', array_slice(explode('/',$ret['url']),0,3)) . '/receive/public');
-
-
-
- $r = q("INSERT INTO `contact` (`uid`, `network`,`addr`,`created`,`url`,`nurl`,`batch`,`name`,`nick`,`photo`,`pubkey`,`notify`,`poll`,`blocked`,`priority`)
- VALUES ( %d, '%s', '%s', '%s', '%s','%s','%s','%s','%s','%s','%s','%s','%s',%d,%d) ",
- intval($importer['uid']),
- dbesc($ret['network']),
- dbesc($ret['addr']),
- datetime_convert(),
- dbesc($ret['url']),
- dbesc(normalise_link($ret['url'])),
- dbesc($batch),
- dbesc($ret['name']),
- dbesc($ret['nick']),
- dbesc($ret['photo']),
- dbesc($ret['pubkey']),
- dbesc($ret['notify']),
- dbesc($ret['poll']),
- 1,
- 2
- );
-
- // find the contact record we just created
-
- $contact_record = diaspora_get_contact_by_handle($importer['uid'],$sender_handle);
-
- if(! $contact_record) {
- logger('diaspora_request: unable to locate newly created contact record.');
- return;
- }
-
- $g = q("select def_gid from user where uid = %d limit 1",
- intval($importer['uid'])
- );
- if($g && intval($g[0]['def_gid'])) {
- require_once('include/group.php');
- group_add_member($importer['uid'],'',$contact_record['id'],$g[0]['def_gid']);
- }
-
- if($importer['page-flags'] == PAGE_NORMAL) {
-
- $hash = random_string() . (string) time(); // Generate a confirm_key
-
- $ret = q("INSERT INTO `intro` ( `uid`, `contact-id`, `blocked`, `knowyou`, `note`, `hash`, `datetime` )
- VALUES ( %d, %d, %d, %d, '%s', '%s', '%s' )",
- intval($importer['uid']),
- intval($contact_record['id']),
- 0,
- 0,
- dbesc( t('Sharing notification from Diaspora network')),
- dbesc($hash),
- dbesc(datetime_convert())
- );
- }
- else {
-
- // automatic friend approval
-
- require_once('include/Photo.php');
-
- $photos = import_profile_photo($contact_record['photo'],$importer['uid'],$contact_record['id']);
-
- // technically they are sharing with us (CONTACT_IS_SHARING),
- // but if our page-type is PAGE_COMMUNITY or PAGE_SOAPBOX
- // we are going to change the relationship and make them a follower.
-
- if($importer['page-flags'] == PAGE_FREELOVE)
- $new_relation = CONTACT_IS_FRIEND;
- else
- $new_relation = CONTACT_IS_FOLLOWER;
-
- $r = q("UPDATE `contact` SET
- `photo` = '%s',
- `thumb` = '%s',
- `micro` = '%s',
- `rel` = %d,
- `name-date` = '%s',
- `uri-date` = '%s',
- `avatar-date` = '%s',
- `blocked` = 0,
- `pending` = 0
- WHERE `id` = %d LIMIT 1
- ",
- dbesc($photos[0]),
- dbesc($photos[1]),
- dbesc($photos[2]),
- intval($new_relation),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($contact_record['id'])
- );
-
- $u = q("select * from user where uid = %d limit 1",intval($importer['uid']));
- if($u)
- $ret = diaspora_share($u[0],$contact_record);
- }
-
- return;
-}
-
-function diaspora_post_allow($importer,$contact) {
- if(($contact['blocked']) || ($contact['readonly']))
- return false;
- if($contact['rel'] == CONTACT_IS_SHARING || $contact['rel'] == CONTACT_IS_FRIEND)
- return true;
- if($contact['rel'] == CONTACT_IS_FOLLOWER)
- if($importer['page-flags'] == PAGE_COMMUNITY)
- return true;
- return false;
-}
-
-
-function diaspora_post($importer,$xml) {
-
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- if(! diaspora_post_allow($importer,$contact)) {
- logger('diaspora_post: Ignoring this author.');
- return 202;
- }
-
- $message_id = $diaspora_handle . ':' . $guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($message_id),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_post: message exists: ' . $guid);
- return;
- }
-
- // allocate a guid on our system - we aren't fixing any collisions.
- // we're ignoring them
-
- $g = q("select * from guid where guid = '%s' limit 1",
- dbesc($guid)
- );
- if(! count($g)) {
- q("insert into guid ( guid ) values ( '%s' )",
- dbesc($guid)
- );
- }
-
- $created = unxmlify($xml->created_at);
- $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
-
- $body = diaspora2bb($xml->raw_message);
-
- $datarray = array();
-
- $str_tags = '';
-
- $tags = get_tags($body);
-
- if(count($tags)) {
- foreach($tags as $tag) {
- if(strpos($tag,'#') === 0) {
- if(strpos($tag,'[url='))
- continue;
-
- // don't link tags that are already embedded in links
-
- if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
- continue;
- if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
- continue;
-
- $basetag = str_replace('_',' ',substr($tag,1));
- $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
- if(strlen($str_tags))
- $str_tags .= ',';
- $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
- continue;
- }
- }
- }
-
- $cnt = preg_match_all('/@\[url=(.*?)\[\/url\]/ism',$body,$matches,PREG_SET_ORDER);
- if($cnt) {
- foreach($matches as $mtch) {
- if(strlen($str_tags))
- $str_tags .= ',';
- $str_tags .= '@[url=' . $mtch[1] . '[/url]';
- }
- }
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['wall'] = 0;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['owner-name'] = $contact['name'];
- $datarray['owner-link'] = $contact['url'];
- $datarray['owner-avatar'] = $contact['thumb'];
- $datarray['author-name'] = $contact['name'];
- $datarray['author-link'] = $contact['url'];
- $datarray['author-avatar'] = $contact['thumb'];
- $datarray['body'] = $body;
- $datarray['tag'] = $str_tags;
- $datarray['app'] = 'Diaspora';
-
- // if empty content it might be a photo that hasn't arrived yet. If a photo arrives, we'll make it visible.
-
- $datarray['visible'] = ((strlen($body)) ? 1 : 0);
-
- $message_id = item_store($datarray);
-
- if($message_id) {
- q("update item set plink = '%s' where id = %d limit 1",
- dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- intval($message_id)
- );
- }
-
- return;
-
-}
-
-function diaspora_reshare($importer,$xml) {
-
- logger('diaspora_reshare: init: ' . print_r($xml,true));
-
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
-
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- if(! diaspora_post_allow($importer,$contact)) {
- logger('diaspora_reshare: Ignoring this author: ' . $diaspora_handle . ' ' . print_r($xml,true));
- return 202;
- }
-
- $message_id = $diaspora_handle . ':' . $guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($message_id),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_reshare: message exists: ' . $guid);
- return;
- }
-
- $orig_author = notags(unxmlify($xml->root_diaspora_id));
- $orig_guid = notags(unxmlify($xml->root_guid));
-
- $source_url = 'https://' . substr($orig_author,strpos($orig_author,'@')+1) . '/p/' . $orig_guid . '.xml';
- $x = fetch_url($source_url);
- if(! $x)
- $x = fetch_url(str_replace('https://','http://',$source_url));
- if(! $x) {
- logger('diaspora_reshare: unable to fetch source url ' . $source_url);
- return;
- }
- logger('diaspora_reshare: source: ' . $x);
-
- $x = str_replace(array('<activity_streams-photo>','</activity_streams-photo>'),array('<asphoto>','</asphoto>'),$x);
- $source_xml = parse_xml_string($x,false);
-
- if(strlen($source_xml->post->asphoto->objectId) && ($source_xml->post->asphoto->objectId != 0) && ($source_xml->post->asphoto->image_url)) {
- $body = '[url=' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '][img]' . notags(unxmlify($source_xml->post->asphoto->objectId)) . '[/img][/url]' . "\n";
- $body = scale_external_images($body,false);
- }
- elseif($source_xml->post->asphoto->image_url) {
- $body = '[img]' . notags(unxmlify($source_xml->post->asphoto->image_url)) . '[/img]' . "\n";
- $body = scale_external_images($body);
- }
- elseif($source_xml->post->status_message) {
- $body = diaspora2bb($source_xml->post->status_message->raw_message);
- $body = scale_external_images($body);
-
- }
- else {
- logger('diaspora_reshare: no reshare content found: ' . print_r($source_xml,true));
- return;
- }
- if(! $body) {
- logger('diaspora_reshare: empty body: source= ' . $x);
- return;
- }
-
- $person = find_diaspora_person_by_handle($orig_author);
-
- if(is_array($person) && x($person,'name') && x($person,'url'))
- $details = '[url=' . $person['url'] . ']' . $person['name'] . '[/url]';
- else
- $details = $orig_author;
-
- $prefix = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8') . $details . "\n";
-
-
- // allocate a guid on our system - we aren't fixing any collisions.
- // we're ignoring them
-
- $g = q("select * from guid where guid = '%s' limit 1",
- dbesc($guid)
- );
- if(! count($g)) {
- q("insert into guid ( guid ) values ( '%s' )",
- dbesc($guid)
- );
- }
-
- $created = unxmlify($xml->created_at);
- $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
-
- $datarray = array();
-
- $str_tags = '';
-
- $tags = get_tags($body);
-
- if(count($tags)) {
- foreach($tags as $tag) {
- if(strpos($tag,'#') === 0) {
- if(strpos($tag,'[url='))
- continue;
-
- // don't link tags that are already embedded in links
-
- if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
- continue;
- if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
- continue;
-
-
- $basetag = str_replace('_',' ',substr($tag,1));
- $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
- if(strlen($str_tags))
- $str_tags .= ',';
- $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
- continue;
- }
- }
- }
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['wall'] = 0;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['owner-name'] = $contact['name'];
- $datarray['owner-link'] = $contact['url'];
- $datarray['owner-avatar'] = $contact['thumb'];
- $datarray['author-name'] = $contact['name'];
- $datarray['author-link'] = $contact['url'];
- $datarray['author-avatar'] = $contact['thumb'];
- $datarray['body'] = $prefix . $body;
- $datarray['tag'] = $str_tags;
- $datarray['app'] = 'Diaspora';
-
- $message_id = item_store($datarray);
-
- if($message_id) {
- q("update item set plink = '%s' where id = %d limit 1",
- dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- intval($message_id)
- );
- }
-
- return;
-
-}
-
-
-function diaspora_asphoto($importer,$xml) {
- logger('diaspora_asphoto called');
-
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- if(! diaspora_post_allow($importer,$contact)) {
- logger('diaspora_asphoto: Ignoring this author.');
- return 202;
- }
-
- $message_id = $diaspora_handle . ':' . $guid;
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($message_id),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_asphoto: message exists: ' . $guid);
- return;
- }
-
- // allocate a guid on our system - we aren't fixing any collisions.
- // we're ignoring them
-
- $g = q("select * from guid where guid = '%s' limit 1",
- dbesc($guid)
- );
- if(! count($g)) {
- q("insert into guid ( guid ) values ( '%s' )",
- dbesc($guid)
- );
- }
-
- $created = unxmlify($xml->created_at);
- $private = ((unxmlify($xml->public) == 'false') ? 1 : 0);
-
- if(strlen($xml->objectId) && ($xml->objectId != 0) && ($xml->image_url)) {
- $body = '[url=' . notags(unxmlify($xml->image_url)) . '][img]' . notags(unxmlify($xml->objectId)) . '[/img][/url]' . "\n";
- $body = scale_external_images($body,false);
- }
- elseif($xml->image_url) {
- $body = '[img]' . notags(unxmlify($xml->image_url)) . '[/img]' . "\n";
- $body = scale_external_images($body);
- }
- else {
- logger('diaspora_asphoto: no photo url found.');
- return;
- }
-
- $datarray = array();
-
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['wall'] = 0;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $datarray['parent-uri'] = $message_id;
- $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
- $datarray['private'] = $private;
- $datarray['parent'] = 0;
- $datarray['owner-name'] = $contact['name'];
- $datarray['owner-link'] = $contact['url'];
- $datarray['owner-avatar'] = $contact['thumb'];
- $datarray['author-name'] = $contact['name'];
- $datarray['author-link'] = $contact['url'];
- $datarray['author-avatar'] = $contact['thumb'];
- $datarray['body'] = $body;
-
- $datarray['app'] = 'Diaspora/Cubbi.es';
-
- $message_id = item_store($datarray);
-
- if($message_id) {
- q("update item set plink = '%s' where id = %d limit 1",
- dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- intval($message_id)
- );
- }
-
- return;
-
-}
-
-
-
-
-
-
-function diaspora_comment($importer,$xml,$msg) {
-
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $parent_guid = notags(unxmlify($xml->parent_guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $target_type = notags(unxmlify($xml->target_type));
- $text = unxmlify($xml->text);
- $author_signature = notags(unxmlify($xml->author_signature));
-
- $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_comment: cannot find contact: ' . $msg['author']);
- return;
- }
-
- if(! diaspora_post_allow($importer,$contact)) {
- logger('diaspora_comment: Ignoring this author.');
- return 202;
- }
-
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
- return;
- }
-
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($parent_guid)
- );
- if(! count($r)) {
- logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
- return;
- }
- $parent_item = $r[0];
-
-
- /* How Diaspora performs comment signature checking:
-
- - If an item has been sent by the comment author to the top-level post owner to relay on
- to the rest of the contacts on the top-level post, the top-level post owner should check
- the author_signature, then create a parent_author_signature before relaying the comment on
- - If an item has been relayed on by the top-level post owner, the contacts who receive it
- check only the parent_author_signature. Basically, they trust that the top-level post
- owner has already verified the authenticity of anything he/she sends out
- - In either case, the signature that get checked is the signature created by the person
- who sent the salmon
- */
-
- $signed_data = $guid . ';' . $parent_guid . ';' . $text . ';' . $diaspora_handle;
- $key = $msg['key'];
-
- if($parent_author_signature) {
- // If a parent_author_signature exists, then we've received the comment
- // relayed from the top-level post owner. There's no need to check the
- // author_signature if the parent_author_signature is valid
-
- $parent_author_signature = base64_decode($parent_author_signature);
-
- if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_comment: top-level owner verification failed.');
- return;
- }
- }
- else {
- // If there's no parent_author_signature, then we've received the comment
- // from the comment creator. In that case, the person is commenting on
- // our post, so he/she must be a contact of ours and his/her public key
- // should be in $msg['key']
-
- $author_signature = base64_decode($author_signature);
-
- if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_comment: comment author verification failed.');
- return;
- }
- }
-
- // Phew! Everything checks out. Now create an item.
-
- // Find the original comment author information.
- // We need this to make sure we display the comment author
- // information (name and avatar) correctly.
- if(strcasecmp($diaspora_handle,$msg['author']) == 0)
- $person = $contact;
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
-
- if(! is_array($person)) {
- logger('diaspora_comment: unable to find author details');
- return;
- }
- }
-
- $body = diaspora2bb($text);
-
- $message_id = $diaspora_handle . ':' . $guid;
-
- $datarray = array();
-
- $str_tags = '';
-
- $tags = get_tags($body);
-
- if(count($tags)) {
- foreach($tags as $tag) {
- if(strpos($tag,'#') === 0) {
- if(strpos($tag,'[url='))
- continue;
-
- // don't link tags that are already embedded in links
-
- if(preg_match('/\[(.*?)' . preg_quote($tag,'/') . '(.*?)\]/',$body))
- continue;
- if(preg_match('/\[(.*?)\]\((.*?)' . preg_quote($tag,'/') . '(.*?)\)/',$body))
- continue;
-
-
- $basetag = str_replace('_',' ',substr($tag,1));
- $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
- if(strlen($str_tags))
- $str_tags .= ',';
- $str_tags .= '#[url=' . $a->get_baseurl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
- continue;
- }
- }
- }
-
- $datarray['uid'] = $importer['uid'];
- $datarray['contact-id'] = $contact['id'];
- $datarray['type'] = 'remote-comment';
- $datarray['wall'] = $parent_item['wall'];
- $datarray['gravity'] = GRAVITY_COMMENT;
- $datarray['guid'] = $guid;
- $datarray['uri'] = $message_id;
- $datarray['parent-uri'] = $parent_item['uri'];
-
- // No timestamps for comments? OK, we'll the use current time.
- $datarray['created'] = $datarray['edited'] = datetime_convert();
- $datarray['private'] = $parent_item['private'];
-
- $datarray['owner-name'] = $parent_item['owner-name'];
- $datarray['owner-link'] = $parent_item['owner-link'];
- $datarray['owner-avatar'] = $parent_item['owner-avatar'];
-
- $datarray['author-name'] = $person['name'];
- $datarray['author-link'] = $person['url'];
- $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
- $datarray['body'] = $body;
- $datarray['tag'] = $str_tags;
-
- // We can't be certain what the original app is if the message is relayed.
- if(($parent_item['origin']) && (! $parent_author_signature))
- $datarray['app'] = 'Diaspora';
-
- $message_id = item_store($datarray);
-
- if($message_id) {
- q("update item set plink = '%s' where id = %d limit 1",
- dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- intval($message_id)
- );
- }
-
- if(($parent_item['origin']) && (! $parent_author_signature)) {
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($message_id),
- dbesc($signed_data),
- dbesc(base64_encode($author_signature)),
- dbesc($diaspora_handle)
- );
-
- // if the message isn't already being relayed, notify others
- // the existence of parent_author_signature means the parent_author or owner
- // is already relaying.
-
- proc_run('php','include/notifier.php','comment',$message_id);
- }
-
- $myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
- dbesc($parent_item['uri']),
- intval($importer['uid'])
- );
-
- if(count($myconv)) {
- $importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
-
- foreach($myconv as $conv) {
-
- // now if we find a match, it means we're in this conversation
-
- if(! link_compare($conv['author-link'],$importer_url))
- continue;
-
- require_once('include/enotify.php');
-
- $conv_parent = $conv['parent'];
-
- notification(array(
- 'type' => NOTIFY_COMMENT,
- 'notify_flags' => $importer['notify-flags'],
- 'language' => $importer['language'],
- 'to_name' => $importer['username'],
- 'to_email' => $importer['email'],
- 'uid' => $importer['uid'],
- 'item' => $datarray,
- 'link' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id,
- 'source_name' => $datarray['author-name'],
- 'source_link' => $datarray['author-link'],
- 'source_photo' => $datarray['author-avatar'],
- 'verb' => ACTIVITY_POST,
- 'otype' => 'item',
- 'parent' => $conv_parent,
-
- ));
-
- // only send one notification
- break;
- }
- }
- return;
-}
-
-
-
-
-function diaspora_conversation($importer,$xml,$msg) {
-
- $a = get_app();
-
- $guid = notags(unxmlify($xml->guid));
- $subject = notags(unxmlify($xml->subject));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $participant_handles = notags(unxmlify($xml->participant_handles));
- $created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
-
- $parent_uri = $diaspora_handle . ':' . $guid;
-
- $messages = $xml->message;
-
- if(! count($messages)) {
- logger('diaspora_conversation: empty conversation');
- return;
- }
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_conversation: cannot find contact: ' . $msg['author']);
- return;
- }
-
- if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
- logger('diaspora_conversation: Ignoring this author.');
- return 202;
- }
-
- $conversation = null;
-
- $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($c))
- $conversation = $c[0];
- else {
- $r = q("insert into conv (uid,guid,creator,created,updated,subject,recips) values(%d, '%s', '%s', '%s', '%s', '%s', '%s') ",
- intval($importer['uid']),
- dbesc($guid),
- dbesc($diaspora_handle),
- dbesc(datetime_convert('UTC','UTC',$created_at)),
- dbesc(datetime_convert()),
- dbesc($subject),
- dbesc($participant_handles)
- );
- if($r)
- $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($c))
- $conversation = $c[0];
- }
- if(! $conversation) {
- logger('diaspora_conversation: unable to create conversation.');
- return;
- }
-
- foreach($messages as $mesg) {
-
- $reply = 0;
-
- $msg_guid = notags(unxmlify($mesg->guid));
- $msg_parent_guid = notags(unxmlify($mesg->parent_guid));
- $msg_parent_author_signature = notags(unxmlify($mesg->parent_author_signature));
- $msg_author_signature = notags(unxmlify($mesg->author_signature));
- $msg_text = unxmlify($mesg->text);
- $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($mesg->created_at)));
- $msg_diaspora_handle = notags(unxmlify($mesg->diaspora_handle));
- $msg_conversation_guid = notags(unxmlify($mesg->conversation_guid));
- if($msg_conversation_guid != $guid) {
- logger('diaspora_conversation: message conversation guid does not belong to the current conversation. ' . $xml);
- continue;
- }
-
- $body = diaspora2bb($msg_text);
- $message_id = $msg_diaspora_handle . ':' . $msg_guid;
-
- $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
-
- $author_signature = base64_decode($msg_author_signature);
-
- if(strcasecmp($msg_diaspora_handle,$msg['author']) == 0) {
- $person = $contact;
- $key = $msg['key'];
- }
- else {
- $person = find_diaspora_person_by_handle($msg_diaspora_handle);
-
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_conversation: unable to find author details');
- continue;
- }
- }
-
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_conversation: verification failed.');
- continue;
- }
-
- if($msg_parent_author_signature) {
- $owner_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($mesg->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
-
- $parent_author_signature = base64_decode($msg_parent_author_signature);
-
- $key = $msg['key'];
-
- if(! rsa_verify($owner_signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_conversation: owner verification failed.');
- continue;
- }
- }
-
- $r = q("select id from mail where `uri` = '%s' limit 1",
- dbesc($message_id)
- );
- if(count($r)) {
- logger('diaspora_conversation: duplicate message already delivered.', LOGGER_DEBUG);
- continue;
- }
-
- q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
- intval($importer['uid']),
- dbesc($msg_guid),
- intval($conversation['id']),
- dbesc($person['name']),
- dbesc($person['photo']),
- dbesc($person['url']),
- intval($contact['id']),
- dbesc($subject),
- dbesc($body),
- 0,
- 0,
- dbesc($message_id),
- dbesc($parent_uri),
- dbesc($msg_created_at)
- );
-
- q("update conv set updated = '%s' where id = %d limit 1",
- dbesc(datetime_convert()),
- intval($conversation['id'])
- );
-
- require_once('include/enotify.php');
- notification(array(
- 'type' => NOTIFY_MAIL,
- 'notify_flags' => $importer['notify-flags'],
- 'language' => $importer['language'],
- 'to_name' => $importer['username'],
- 'to_email' => $importer['email'],
- 'uid' =>$importer['importer_uid'],
- 'item' => array('subject' => $subject, 'body' => $body),
- 'source_name' => $person['name'],
- 'source_link' => $person['url'],
- 'source_photo' => $person['thumb'],
- 'verb' => ACTIVITY_POST,
- 'otype' => 'mail'
- ));
- }
-
- return;
-}
-
-function diaspora_message($importer,$xml,$msg) {
-
- $a = get_app();
-
- $msg_guid = notags(unxmlify($xml->guid));
- $msg_parent_guid = notags(unxmlify($xml->parent_guid));
- $msg_parent_author_signature = notags(unxmlify($xml->parent_author_signature));
- $msg_author_signature = notags(unxmlify($xml->author_signature));
- $msg_text = unxmlify($xml->text);
- $msg_created_at = datetime_convert('UTC','UTC',notags(unxmlify($xml->created_at)));
- $msg_diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $msg_conversation_guid = notags(unxmlify($xml->conversation_guid));
-
- $parent_uri = $diaspora_handle . ':' . $msg_parent_guid;
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg_diaspora_handle);
- if(! $contact) {
- logger('diaspora_message: cannot find contact: ' . $msg_diaspora_handle);
- return;
- }
-
- if(($contact['rel'] == CONTACT_IS_FOLLOWER) || ($contact['blocked']) || ($contact['readonly'])) {
- logger('diaspora_message: Ignoring this author.');
- return 202;
- }
-
- $conversation = null;
-
- $c = q("select * from conv where uid = %d and guid = '%s' limit 1",
- intval($importer['uid']),
- dbesc($msg_conversation_guid)
- );
- if(count($c))
- $conversation = $c[0];
- else {
- logger('diaspora_message: conversation not available.');
- return;
- }
-
- $reply = 0;
-
- $body = diaspora2bb($msg_text);
- $message_id = $msg_diaspora_handle . ':' . $msg_guid;
-
- $author_signed_data = $msg_guid . ';' . $msg_parent_guid . ';' . $msg_text . ';' . unxmlify($xml->created_at) . ';' . $msg_diaspora_handle . ';' . $msg_conversation_guid;
-
-
- $author_signature = base64_decode($msg_author_signature);
-
- $person = find_diaspora_person_by_handle($msg_diaspora_handle);
- if(is_array($person) && x($person,'pubkey'))
- $key = $person['pubkey'];
- else {
- logger('diaspora_message: unable to find author details');
- return;
- }
-
- if(! rsa_verify($author_signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_message: verification failed.');
- return;
- }
-
- $r = q("select id from mail where `uri` = '%s' and uid = %d limit 1",
- dbesc($message_id),
- intval($importer['uid'])
- );
- if(count($r)) {
- logger('diaspora_message: duplicate message already delivered.', LOGGER_DEBUG);
- return;
- }
-
- q("insert into mail ( `uid`, `guid`, `convid`, `from-name`,`from-photo`,`from-url`,`contact-id`,`title`,`body`,`seen`,`reply`,`uri`,`parent-uri`,`created`) values ( %d, '%s', %d, '%s', '%s', '%s', %d, '%s', '%s', %d, %d, '%s','%s','%s')",
- intval($importer['uid']),
- dbesc($msg_guid),
- intval($conversation['id']),
- dbesc($person['name']),
- dbesc($person['photo']),
- dbesc($person['url']),
- intval($contact['id']),
- dbesc($conversation['subject']),
- dbesc($body),
- 0,
- 1,
- dbesc($message_id),
- dbesc($parent_uri),
- dbesc($msg_created_at)
- );
-
- q("update conv set updated = '%s' where id = %d limit 1",
- dbesc(datetime_convert()),
- intval($conversation['id'])
- );
-
- return;
-}
-
-
-function diaspora_photo($importer,$xml,$msg) {
-
- $a = get_app();
-
- logger('diaspora_photo: init',LOGGER_DEBUG);
-
- $remote_photo_path = notags(unxmlify($xml->remote_photo_path));
-
- $remote_photo_name = notags(unxmlify($xml->remote_photo_name));
-
- $status_message_guid = notags(unxmlify($xml->status_message_guid));
-
- $guid = notags(unxmlify($xml->guid));
-
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
-
- $public = notags(unxmlify($xml->public));
-
- $created_at = notags(unxmlify($xml_created_at));
-
- logger('diaspora_photo: status_message_guid: ' . $status_message_guid, LOGGER_DEBUG);
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_photo: contact record not found: ' . $msg['author'] . ' handle: ' . $diaspora_handle);
- return;
- }
-
- if(! diaspora_post_allow($importer,$contact)) {
- logger('diaspora_photo: Ignoring this author.');
- return 202;
- }
-
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($status_message_guid)
- );
- if(! count($r)) {
- logger('diaspora_photo: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
- return;
- }
-
- $parent_item = $r[0];
-
- $link_text = '[img]' . $remote_photo_path . $remote_photo_name . '[/img]' . "\n";
-
- $link_text = scale_external_images($link_text, true,
- array($remote_photo_name, 'scaled_full_' . $remote_photo_name));
-
- if(strpos($parent_item['body'],$link_text) === false) {
- $r = q("update item set `body` = '%s', `visible` = 1 where `id` = %d and `uid` = %d limit 1",
- dbesc($link_text . $parent_item['body']),
- intval($parent_item['id']),
- intval($parent_item['uid'])
- );
- }
-
- return;
-}
-
-
-
-
-function diaspora_like($importer,$xml,$msg) {
-
- $a = get_app();
- $guid = notags(unxmlify($xml->guid));
- $parent_guid = notags(unxmlify($xml->parent_guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $target_type = notags(unxmlify($xml->target_type));
- $positive = notags(unxmlify($xml->positive));
- $author_signature = notags(unxmlify($xml->author_signature));
-
- $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
-
- // likes on comments not supported here and likes on photos not supported by Diaspora
-
-// if($target_type !== 'Post')
-// return;
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$msg['author']);
- if(! $contact) {
- logger('diaspora_like: cannot find contact: ' . $msg['author']);
- return;
- }
-
- if(! diaspora_post_allow($importer,$contact)) {
- logger('diaspora_like: Ignoring this author.');
- return 202;
- }
-
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($parent_guid)
- );
- if(! count($r)) {
- logger('diaspora_like: parent item not found: ' . $guid);
- return;
- }
-
- $parent_item = $r[0];
-
- $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
- intval($importer['uid']),
- dbesc($guid)
- );
- if(count($r)) {
- if($positive === 'true') {
- logger('diaspora_like: duplicate like: ' . $guid);
- return;
- }
- // Note: I don't think "Like" objects with positive = "false" are ever actually used
- // It looks like "RelayableRetractions" are used for "unlike" instead
- if($positive === 'false') {
- logger('diaspora_like: received a like with positive set to "false"...ignoring');
-/* q("UPDATE `item` SET `deleted` = 1 WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($r[0]['id']),
- intval($importer['uid'])
- );*/
- // FIXME--actually don't unless it turns out that Diaspora does indeed send out "false" likes
- // send notification via proc_run()
- return;
- }
- }
- // Note: I don't think "Like" objects with positive = "false" are ever actually used
- // It looks like "RelayableRetractions" are used for "unlike" instead
- if($positive === 'false') {
- logger('diaspora_like: received a like with positive set to "false"');
- logger('diaspora_like: unlike received with no corresponding like...ignoring');
- return;
- }
-
-
- /* How Diaspora performs "like" signature checking:
-
- - If an item has been sent by the like author to the top-level post owner to relay on
- to the rest of the contacts on the top-level post, the top-level post owner should check
- the author_signature, then create a parent_author_signature before relaying the like on
- - If an item has been relayed on by the top-level post owner, the contacts who receive it
- check only the parent_author_signature. Basically, they trust that the top-level post
- owner has already verified the authenticity of anything he/she sends out
- - In either case, the signature that get checked is the signature created by the person
- who sent the salmon
- */
-
- $signed_data = $guid . ';' . $target_type . ';' . $parent_guid . ';' . $positive . ';' . $diaspora_handle;
- $key = $msg['key'];
-
- if($parent_author_signature) {
- // If a parent_author_signature exists, then we've received the like
- // relayed from the top-level post owner. There's no need to check the
- // author_signature if the parent_author_signature is valid
-
- $parent_author_signature = base64_decode($parent_author_signature);
-
- if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_like: top-level owner verification failed.');
- return;
- }
- }
- else {
- // If there's no parent_author_signature, then we've received the like
- // from the like creator. In that case, the person is "like"ing
- // our post, so he/she must be a contact of ours and his/her public key
- // should be in $msg['key']
-
- $author_signature = base64_decode($author_signature);
-
- if(! rsa_verify($signed_data,$author_signature,$key,'sha256')) {
- logger('diaspora_like: like creator verification failed.');
- return;
- }
- }
-
- // Phew! Everything checks out. Now create an item.
-
- // Find the original comment author information.
- // We need this to make sure we display the comment author
- // information (name and avatar) correctly.
- if(strcasecmp($diaspora_handle,$msg['author']) == 0)
- $person = $contact;
- else {
- $person = find_diaspora_person_by_handle($diaspora_handle);
-
- if(! is_array($person)) {
- logger('diaspora_like: unable to find author details');
- return;
- }
- }
-
- $uri = $diaspora_handle . ':' . $guid;
-
- $activity = ACTIVITY_LIKE;
- $post_type = (($parent_item['resource-id']) ? t('photo') : t('status'));
- $objtype = (($parent_item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
- $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . '" />' . "\n") ;
- $body = $parent_item['body'];
-
- $obj = <<< EOT
-
- <object>
- <type>$objtype</type>
- <local>1</local>
- <id>{$parent_item['uri']}</id>
- <link>$link</link>
- <title></title>
- <content>$body</content>
- </object>
-EOT;
- $bodyverb = t('%1$s likes %2$s\'s %3$s');
-
- $arr = array();
-
- $arr['uri'] = $uri;
- $arr['uid'] = $importer['uid'];
- $arr['guid'] = $guid;
- $arr['contact-id'] = $contact['id'];
- $arr['type'] = 'activity';
- $arr['wall'] = $parent_item['wall'];
- $arr['gravity'] = GRAVITY_LIKE;
- $arr['parent'] = $parent_item['id'];
- $arr['parent-uri'] = $parent_item['uri'];
-
- $arr['owner-name'] = $parent_item['name'];
- $arr['owner-link'] = $parent_item['url'];
- $arr['owner-avatar'] = $parent_item['thumb'];
-
- $arr['author-name'] = $person['name'];
- $arr['author-link'] = $person['url'];
- $arr['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
-
- $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
- $alink = '[url=' . $parent_item['author-link'] . ']' . $parent_item['author-name'] . '[/url]';
- $plink = '[url=' . $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $parent_item['id'] . ']' . $post_type . '[/url]';
- $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
-
- $arr['app'] = 'Diaspora';
-
- $arr['private'] = $parent_item['private'];
- $arr['verb'] = $activity;
- $arr['object-type'] = $objtype;
- $arr['object'] = $obj;
- $arr['visible'] = 1;
- $arr['unseen'] = 1;
- $arr['last-child'] = 0;
-
- $message_id = item_store($arr);
-
-
- if($message_id) {
- q("update item set plink = '%s' where id = %d limit 1",
- dbesc($a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $message_id),
- intval($message_id)
- );
- }
-
- if(! $parent_author_signature) {
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($message_id),
- dbesc($signed_data),
- dbesc(base64_encode($author_signature)),
- dbesc($diaspora_handle)
- );
- }
-
- // if the message isn't already being relayed, notify others
- // the existence of parent_author_signature means the parent_author or owner
- // is already relaying. The parent_item['origin'] indicates the message was created on our system
-
- if(($parent_item['origin']) && (! $parent_author_signature))
- proc_run('php','include/notifier.php','comment',$message_id);
-
- return;
-}
-
-function diaspora_retraction($importer,$xml) {
-
-
- $guid = notags(unxmlify($xml->guid));
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
- $type = notags(unxmlify($xml->type));
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- if($type === 'Person') {
- require_once('include/Contact.php');
- contact_remove($contact['id']);
- }
- elseif($type === 'Post') {
- $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
- dbesc('guid'),
- intval($importer['uid'])
- );
- if(count($r)) {
- if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("update item set `deleted` = 1, `changed` = '%s' where `id` = %d limit 1",
- dbesc(datetime_convert()),
- intval($r[0]['id'])
- );
- }
- }
- }
-
- return 202;
- // NOTREACHED
-}
-
-function diaspora_signed_retraction($importer,$xml,$msg) {
-
-
- $guid = notags(unxmlify($xml->target_guid));
- $diaspora_handle = notags(unxmlify($xml->sender_handle));
- $type = notags(unxmlify($xml->target_type));
- $sig = notags(unxmlify($xml->target_author_signature));
-
- $parent_author_signature = (($xml->parent_author_signature) ? notags(unxmlify($xml->parent_author_signature)) : '');
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact) {
- logger('diaspora_signed_retraction: no contact');
- return;
- }
-
-
- $signed_data = $guid . ';' . $type ;
- $key = $msg['key'];
-
- /* How Diaspora performs relayable_retraction signature checking:
-
- - If an item has been sent by the item author to the top-level post owner to relay on
- to the rest of the contacts on the top-level post, the top-level post owner checks
- the author_signature, then creates a parent_author_signature before relaying the item on
- - If an item has been relayed on by the top-level post owner, the contacts who receive it
- check only the parent_author_signature. Basically, they trust that the top-level post
- owner has already verified the authenticity of anything he/she sends out
- - In either case, the signature that get checked is the signature created by the person
- who sent the salmon
- */
-
- if($parent_author_signature) {
-
- $parent_author_signature = base64_decode($parent_author_signature);
-
- if(! rsa_verify($signed_data,$parent_author_signature,$key,'sha256')) {
- logger('diaspora_signed_retraction: top-level post owner verification failed');
- return;
- }
-
- }
- else {
-
- $sig_decode = base64_decode($sig);
-
- if(! rsa_verify($signed_data,$sig_decode,$key,'sha256')) {
- logger('diaspora_signed_retraction: retraction owner verification failed.' . print_r($msg,true));
- return;
- }
- }
-
- if($type === 'StatusMessage' || $type === 'Comment' || $type === 'Like') {
- $r = q("select * from item where guid = '%s' and uid = %d and not file like '%%[%%' limit 1",
- dbesc($guid),
- intval($importer['uid'])
- );
- if(count($r)) {
- if(link_compare($r[0]['author-link'],$contact['url'])) {
- q("update item set `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = '' , `title` = '' where `id` = %d limit 1",
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($r[0]['id'])
- );
-
- // Now check if the retraction needs to be relayed by us
- //
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select origin from item where parent = %d and id = %d limit 1",
- $r[0]['parent'],
- $r[0]['parent']
- );
- if(count($p)) {
- if(($p[0]['origin']) && (! $parent_author_signature)) {
- q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- $r[0]['id'],
- dbesc($signed_data),
- dbesc($sig),
- dbesc($diaspora_handle)
- );
-
- // the existence of parent_author_signature would have meant the parent_author or owner
- // is already relaying.
- logger('diaspora_signed_retraction: relaying relayable_retraction');
-
- proc_run('php','include/notifier.php','relayable_retraction',$r[0]['id']);
- }
- }
- }
- }
- }
- else
- logger('diaspora_signed_retraction: unknown type: ' . $type);
-
- return 202;
- // NOTREACHED
-}
-
-function diaspora_profile($importer,$xml) {
-
- $a = get_app();
- $diaspora_handle = notags(unxmlify($xml->diaspora_handle));
-
- $contact = diaspora_get_contact_by_handle($importer['uid'],$diaspora_handle);
- if(! $contact)
- return;
-
- if($contact['blocked']) {
- logger('diaspora_post: Ignoring this author.');
- return 202;
- }
-
- $name = unxmlify($xml->first_name) . ((strlen($xml->last_name)) ? ' ' . unxmlify($xml->last_name) : '');
- $image_url = unxmlify($xml->image_url);
- $birthday = unxmlify($xml->birthday);
-
- $r = q("SELECT DISTINCT ( `resource-id` ) FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' ",
- intval($importer['uid']),
- intval($contact['id'])
- );
- $oldphotos = ((count($r)) ? $r : null);
-
- require_once('include/Photo.php');
-
- $images = import_profile_photo($image_url,$importer['uid'],$contact['id']);
-
- // Generic birthday. We don't know the timezone. The year is irrelevant.
-
- $birthday = str_replace('1000','1901',$birthday);
-
- $birthday = datetime_convert('UTC','UTC',$birthday,'Y-m-d');
-
- // this is to prevent multiple birthday notifications in a single year
- // if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
-
- if(substr($birthday,5) === substr($contact['bd'],5))
- $birthday = $contact['bd'];
-
- // TODO: update name on item['author-name'] if the name changed. See consume_feed()
- // Not doing this currently because D* protocol is scheduled for revision soon.
-
- $r = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s', `avatar-date` = '%s' , `bd` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
- dbesc($name),
- dbesc(datetime_convert()),
- dbesc($images[0]),
- dbesc($images[1]),
- dbesc($images[2]),
- dbesc(datetime_convert()),
- dbesc($birthday),
- intval($contact['id']),
- intval($importer['uid'])
- );
-
- if($r) {
- if($oldphotos) {
- foreach($oldphotos as $ph) {
- q("DELETE FROM `photo` WHERE `uid` = %d AND `contact-id` = %d AND `album` = 'Contact Photos' AND `resource-id` = '%s' ",
- intval($importer['uid']),
- intval($contact['id']),
- dbesc($ph['resource-id'])
- );
- }
- }
- }
-
- return;
-
-}
-
-function diaspora_share($me,$contact) {
- $a = get_app();
- $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $theiraddr = $contact['addr'];
-
- $tpl = get_markup_template('diaspora_share.tpl');
- $msg = replace_macros($tpl, array(
- '$sender' => $myaddr,
- '$recipient' => $theiraddr
- ));
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
-
- return(diaspora_transmit($owner,$contact,$slap, false));
-}
-
-function diaspora_unshare($me,$contact) {
-
- $a = get_app();
- $myaddr = $me['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-
- $tpl = get_markup_template('diaspora_retract.tpl');
- $msg = replace_macros($tpl, array(
- '$guid' => $me['guid'],
- '$type' => 'Person',
- '$handle' => $myaddr
- ));
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey'])));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$me,$contact,$me['prvkey'],$contact['pubkey']));
-
- return(diaspora_transmit($owner,$contact,$slap, false));
-
-}
-
-
-
-function diaspora_send_status($item,$owner,$contact,$public_batch = false) {
-
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
- $theiraddr = $contact['addr'];
-
- $images = array();
-
- $title = $item['title'];
- $body = $item['body'];
-
-/*
- // We're trying to match Diaspora's split message/photo protocol but
- // all the photos are displayed on D* as links and not img's - even
- // though we're sending pretty much precisely what they send us when
- // doing the same operation.
- // Commented out for now, we'll use bb2diaspora to convert photos to markdown
- // which seems to get through intact.
-
- $cnt = preg_match_all('|\[img\](.*?)\[\/img\]|',$body,$matches,PREG_SET_ORDER);
- if($cnt) {
- foreach($matches as $mtch) {
- $detail = array();
- $detail['str'] = $mtch[0];
- $detail['path'] = dirname($mtch[1]) . '/';
- $detail['file'] = basename($mtch[1]);
- $detail['guid'] = $item['guid'];
- $detail['handle'] = $myaddr;
- $images[] = $detail;
- $body = str_replace($detail['str'],$mtch[1],$body);
- }
- }
-*/
- // Removal of tags
- $body = preg_replace('/#\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', '#$2', $body);
-
- //if(strlen($title))
- // $body = "[b]".html_entity_decode($title)."[/b]\n\n".$body;
-
- // convert to markdown
- $body = xmlify(html_entity_decode(bb2diaspora($body)));
- //$body = bb2diaspora($body);
-
- // Adding the title
- if(strlen($title))
- $body = "## ".html_entity_decode($title)."\n\n".$body;
-
- if($item['attach']) {
- $cnt = preg_match_all('/href=\"(.*?)\"(.*?)title=\"(.*?)\"/ism',$item['attach'],$matches,PREG_SET_ORDER);
- if(cnt) {
- $body .= "\n" . t('Attachments:') . "\n";
- foreach($matches as $mtch) {
- $body .= '[' . $mtch[3] . '](' . $mtch[1] . ')' . "\n";
- }
- }
- }
-
-
- $public = (($item['private']) ? 'false' : 'true');
-
- require_once('include/datetime.php');
- $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
-
- $tpl = get_markup_template('diaspora_post.tpl');
- $msg = replace_macros($tpl, array(
- '$body' => $body,
- '$guid' => $item['guid'],
- '$handle' => xmlify($myaddr),
- '$public' => $public,
- '$created' => $created
- ));
-
- logger('diaspora_send_status: ' . $owner['username'] . ' -> ' . $contact['name'] . ' base message: ' . $msg, LOGGER_DATA);
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
-
- $return_code = diaspora_transmit($owner,$contact,$slap,$public_batch);
-
- if(count($images)) {
- diaspora_send_images($item,$owner,$contact,$images,$public_batch);
- }
-
- return $return_code;
-}
-
-
-function diaspora_send_images($item,$owner,$contact,$images,$public_batch = false) {
- $a = get_app();
- if(! count($images))
- return;
- $mysite = substr($a->get_baseurl(),strpos($a->get_baseurl(),'://') + 3) . '/photo';
-
- $tpl = get_markup_template('diaspora_photo.tpl');
- foreach($images as $image) {
- if(! stristr($image['path'],$mysite))
- continue;
- $resource = str_replace('.jpg','',$image['file']);
- $resource = substr($resource,0,strpos($resource,'-'));
-
- $r = q("select * from photo where `resource-id` = '%s' and `uid` = %d limit 1",
- dbesc($resource),
- intval($owner['uid'])
- );
- if(! count($r))
- continue;
- $public = (($r[0]['allow_cid'] || $r[0]['allow_gid'] || $r[0]['deny_cid'] || $r[0]['deny_gid']) ? 'false' : 'true' );
- $msg = replace_macros($tpl,array(
- '$path' => xmlify($image['path']),
- '$filename' => xmlify($image['file']),
- '$msg_guid' => xmlify($image['guid']),
- '$guid' => xmlify($r[0]['guid']),
- '$handle' => xmlify($image['handle']),
- '$public' => xmlify($public),
- '$created_at' => xmlify(datetime_convert('UTC','UTC',$r[0]['created'],'Y-m-d H:i:s \U\T\C'))
- ));
-
-
- logger('diaspora_send_photo: base message: ' . $msg, LOGGER_DATA);
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
-
- diaspora_transmit($owner,$contact,$slap,$public_batch);
- }
-
-}
-
-function diaspora_send_followup($item,$owner,$contact,$public_batch = false) {
-
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-// $theiraddr = $contact['addr'];
-
- if($item['thr-parent']) {
- $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
- dbesc($item['thr-parent'])
- );
- }
- else {
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
- intval($item['parent']),
- intval($item['parent'])
- );
- }
- if(count($p))
- $parent = $p[0];
- else
- return;
-
- if($item['verb'] === ACTIVITY_LIKE) {
- $tpl = get_markup_template('diaspora_like.tpl');
- $like = true;
- $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
-// $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
-// $positive = (($item['deleted']) ? 'false' : 'true');
- $positive = 'true';
-
- if(($item['deleted']))
- logger('diaspora_send_followup: received deleted "like". Those should go to diaspora_send_retraction');
- }
- else {
- $tpl = get_markup_template('diaspora_comment.tpl');
- $like = false;
- }
-
- $text = html_entity_decode(bb2diaspora($item['body']));
-
- // sign it
-
- if($like)
- $signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $myaddr;
- else
- $signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $myaddr;
-
- $authorsig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
-
- $msg = replace_macros($tpl,array(
- '$guid' => xmlify($item['guid']),
- '$parent_guid' => xmlify($parent['guid']),
- '$target_type' =>xmlify($target_type),
- '$authorsig' => xmlify($authorsig),
- '$body' => xmlify($text),
- '$positive' => xmlify($positive),
- '$handle' => xmlify($myaddr)
- ));
-
- logger('diaspora_followup: base message: ' . $msg, LOGGER_DATA);
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
-
- return(diaspora_transmit($owner,$contact,$slap,$public_batch));
-}
-
-
-function diaspora_send_relay($item,$owner,$contact,$public_batch = false) {
-
-
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-// $theiraddr = $contact['addr'];
-
- $body = $item['body'];
- $text = html_entity_decode(bb2diaspora($body));
-
-
- if($item['thr-parent']) {
- $p = q("select guid, type, uri, `parent-uri` from item where uri = '%s' limit 1",
- dbesc($item['thr-parent'])
- );
- }
- else {
- // The first item in the `item` table with the parent id is the parent. However, MySQL doesn't always
- // return the items ordered by `item`.`id`, in which case the wrong item is chosen as the parent.
- // The only item with `parent` and `id` as the parent id is the parent item.
- $p = q("select guid, type, uri, `parent-uri` from item where parent = %d and id = %d limit 1",
- intval($item['parent']),
- intval($item['parent'])
- );
- }
- if(count($p))
- $parent = $p[0];
- else
- return;
-
- $like = false;
- $relay_retract = false;
- $sql_sign_id = 'iid';
- if( $item['deleted']) {
- $relay_retract = true;
-
- $target_type = ( ($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
-
- $sql_sign_id = 'retract_iid';
- $tpl = get_markup_template('diaspora_relayable_retraction.tpl');
- }
- elseif($item['verb'] === ACTIVITY_LIKE) {
- $like = true;
-
- $target_type = ( $parent['uri'] === $parent['parent-uri'] ? 'Post' : 'Comment');
-// $target_type = (strpos($parent['type'], 'comment') ? 'Comment' : 'Post');
-// $positive = (($item['deleted']) ? 'false' : 'true');
- $positive = 'true';
-
- $tpl = get_markup_template('diaspora_like_relay.tpl');
- }
- else { // item is a comment
- $tpl = get_markup_template('diaspora_comment_relay.tpl');
- }
-
-
- // fetch the original signature if the relayable was created by a Diaspora
- // or DFRN user. Relayables for other networks are not supported.
-
- $r = q("select * from sign where " . $sql_sign_id . " = %d limit 1",
- intval($item['id'])
- );
- if(count($r)) {
- $orig_sign = $r[0];
- $signed_text = $orig_sign['signed_text'];
- $authorsig = $orig_sign['signature'];
- $handle = $orig_sign['signer'];
- }
- else {
-
- // Author signature information (for likes, comments, and retractions of likes or comments,
- // whether from Diaspora or Friendica) must be placed in the `sign` table before this
- // function is called
- logger('diaspora_send_relay: original author signature not found, cannot send relayable');
- return;
- }
-
- if($relay_retract)
- $sender_signed_text = $item['guid'] . ';' . $target_type;
- elseif($like)
- $sender_signed_text = $item['guid'] . ';' . $target_type . ';' . $parent['guid'] . ';' . $positive . ';' . $handle;
- else
- $sender_signed_text = $item['guid'] . ';' . $parent['guid'] . ';' . $text . ';' . $handle;
-
- // Sign the relayable with the top-level owner's signature
- //
- // We'll use the $sender_signed_text that we just created, instead of the $signed_text
- // stored in the database, because that provides the best chance that Diaspora will
- // be able to reconstruct the signed text the same way we did. This is particularly a
- // concern for the comment, whose signed text includes the text of the comment. The
- // smallest change in the text of the comment, including removing whitespace, will
- // make the signature verification fail. Since we translate from BB code to Diaspora's
- // markup at the top of this function, which is AFTER we placed the original $signed_text
- // in the database, it's hazardous to trust the original $signed_text.
-
- $parentauthorsig = base64_encode(rsa_sign($sender_signed_text,$owner['uprvkey'],'sha256'));
-
- $msg = replace_macros($tpl,array(
- '$guid' => xmlify($item['guid']),
- '$parent_guid' => xmlify($parent['guid']),
- '$target_type' =>xmlify($target_type),
- '$authorsig' => xmlify($authorsig),
- '$parentsig' => xmlify($parentauthorsig),
- '$body' => xmlify($text),
- '$positive' => xmlify($positive),
- '$handle' => xmlify($handle)
- ));
-
- logger('diaspora_send_relay: base message: ' . $msg, LOGGER_DATA);
-
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
-
- return(diaspora_transmit($owner,$contact,$slap,$public_batch));
-
-}
-
-
-
-function diaspora_send_retraction($item,$owner,$contact,$public_batch = false) {
-
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-
- // Check whether the retraction is for a top-level post or whether it's a relayable
- if( $item['uri'] !== $item['parent-uri'] ) {
-
- $tpl = get_markup_template('diaspora_relay_retraction.tpl');
- $target_type = (($item['verb'] === ACTIVITY_LIKE) ? 'Like' : 'Comment');
- }
- else {
-
- $tpl = get_markup_template('diaspora_signed_retract.tpl');
- $target_type = 'StatusMessage';
- }
-
- $signed_text = $item['guid'] . ';' . $target_type;
-
- $msg = replace_macros($tpl, array(
- '$guid' => xmlify($item['guid']),
- '$type' => xmlify($target_type),
- '$handle' => xmlify($myaddr),
- '$signature' => xmlify(base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256')))
- ));
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($msg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],$public_batch));
-
- return(diaspora_transmit($owner,$contact,$slap,$public_batch));
-}
-
-function diaspora_send_mail($item,$owner,$contact) {
-
- $a = get_app();
- $myaddr = $owner['nickname'] . '@' . substr($a->get_baseurl(), strpos($a->get_baseurl(),'://') + 3);
-
- $r = q("select * from conv where id = %d and uid = %d limit 1",
- intval($item['convid']),
- intval($item['uid'])
- );
-
- if(! count($r)) {
- logger('diaspora_send_mail: conversation not found.');
- return;
- }
- $cnv = $r[0];
-
- $conv = array(
- 'guid' => xmlify($cnv['guid']),
- 'subject' => xmlify($cnv['subject']),
- 'created_at' => xmlify(datetime_convert('UTC','UTC',$cnv['created'],'Y-m-d H:i:s \U\T\C')),
- 'diaspora_handle' => xmlify($cnv['creator']),
- 'participant_handles' => xmlify($cnv['recips'])
- );
-
- $body = bb2diaspora($item['body']);
- $created = datetime_convert('UTC','UTC',$item['created'],'Y-m-d H:i:s \U\T\C');
-
- $signed_text = $item['guid'] . ';' . $cnv['guid'] . ';' . $body . ';'
- . $created . ';' . $myaddr . ';' . $cnv['guid'];
-
- $sig = base64_encode(rsa_sign($signed_text,$owner['uprvkey'],'sha256'));
-
- $msg = array(
- 'guid' => xmlify($item['guid']),
- 'parent_guid' => xmlify($cnv['guid']),
- 'parent_author_signature' => (($item['reply']) ? null : xmlify($sig)),
- 'author_signature' => xmlify($sig),
- 'text' => xmlify($body),
- 'created_at' => xmlify($created),
- 'diaspora_handle' => xmlify($myaddr),
- 'conversation_guid' => xmlify($cnv['guid'])
- );
-
- if($item['reply']) {
- $tpl = get_markup_template('diaspora_message.tpl');
- $xmsg = replace_macros($tpl, array('$msg' => $msg));
- }
- else {
- $conv['messages'] = array($msg);
- $tpl = get_markup_template('diaspora_conversation.tpl');
- $xmsg = replace_macros($tpl, array('$conv' => $conv));
- }
-
- logger('diaspora_conversation: ' . print_r($xmsg,true), LOGGER_DATA);
-
- $slap = 'xml=' . urlencode(urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false)));
- //$slap = 'xml=' . urlencode(diaspora_msg_build($xmsg,$owner,$contact,$owner['uprvkey'],$contact['pubkey'],false));
-
- return(diaspora_transmit($owner,$contact,$slap,false));
-
-
-}
-
-function diaspora_transmit($owner,$contact,$slap,$public_batch,$queue_run = false) {
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- return 200;
- }
-
- $a = get_app();
- $logid = random_string(4);
- $dest_url = (($public_batch) ? $contact['batch'] : $contact['notify']);
- if(! $dest_url) {
- logger('diaspora_transmit: no url for contact: ' . $contact['id'] . ' batch mode =' . $public_batch);
- return 0;
- }
-
- logger('diaspora_transmit: ' . $logid . ' ' . $dest_url);
-
- if( (! $queue_run) && (was_recently_delayed($contact['id']))) {
- $return_code = 0;
- }
- else {
- if(! intval(get_config('system','diaspora_test'))) {
- post_url($dest_url . '/', $slap);
- $return_code = $a->get_curl_code();
- }
- else {
- logger('diaspora_transmit: test_mode');
- return 200;
- }
- }
-
- logger('diaspora_transmit: ' . $logid . ' returns: ' . $return_code);
-
- if((! $return_code) || (($return_code == 503) && (stristr($a->get_curl_headers(),'retry-after')))) {
- logger('diaspora_transmit: queue message');
-
- $r = q("SELECT id from queue where cid = %d and network = '%s' and content = '%s' and batch = %d limit 1",
- intval($contact['id']),
- dbesc(NETWORK_DIASPORA),
- dbesc($slap),
- intval($public_batch)
- );
- if(count($r)) {
- logger('diaspora_transmit: add_to_queue ignored - identical item already in queue');
- }
- else {
- // queue message for redelivery
- add_to_queue($contact['id'],NETWORK_DIASPORA,$slap,$public_batch);
- }
- }
-
-
- return(($return_code) ? $return_code : (-1));
-}
-
-