use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\Util\XML;
+use Friendica\Util\Map;
use dba;
use SimpleXMLElement;
/**
* @brief Return a list of relay servers
*
- * This is an experimental Diaspora feature.
+ * The list contains not only the official relays but also servers that we serve directly
+ *
+ * @param integer $item_id The id of the item that is sent
+ * @param array $contacts The previously fetched contacts
*
* @return array of relay servers
*/
- public static function relayList()
+ public static function relayList($item_id, $contacts = [])
{
+ $serverlist = [];
+
+ // Fetching relay servers
$serverdata = Config::get("system", "relay_server");
- if ($serverdata == "") {
- return [];
+ if ($serverdata != "") {
+ $servers = explode(",", $serverdata);
+ foreach ($servers as $server) {
+ $serverlist[$server] = trim($server);
+ }
}
- $relay = [];
+ if (Config::get("system", "relay_directly", false)) {
+ // Servers that want to get all content
+ $servers = dba::select('gserver', ['url'], ['relay-subscribe' => true, 'relay-scope' => 'all']);
+ while ($server = dba::fetch($servers)) {
+ $serverlist[$server['url']] = $server['url'];
+ }
- $servers = explode(",", $serverdata);
+ // All tags of the current post
+ $condition = ['otype' => TERM_OBJ_POST, 'type' => TERM_HASHTAG, 'oid' => $item_id];
+ $tags = dba::select('term', ['term'], $condition);
+ $taglist = [];
+ while ($tag = dba::fetch($tags)) {
+ $taglist[] = $tag['term'];
+ }
- foreach ($servers as $server) {
- $server = trim($server);
- $addr = "relay@".str_replace("http://", "", normalise_link($server));
- $batch = $server."/receive/public";
+ // All servers who wants content with this tag
+ $tagserverlist = [];
+ if (!empty($taglist)) {
+ $tagserver = dba::select('gserver-tag', ['gserver-id'], ['tag' => $taglist]);
+ while ($server = dba::fetch($tagserver)) {
+ $tagserverlist[] = $server['gserver-id'];
+ }
+ }
- $relais = q(
- "SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' AND `addr` = '%s' AND `nurl` = '%s' LIMIT 1",
- dbesc($batch),
- dbesc($addr),
- dbesc(normalise_link($server))
- );
+ // All adresses with the given id
+ if (!empty($tagserverlist)) {
+ $servers = dba::select('gserver', ['url'], ['relay-subscribe' => true, 'relay-scope' => 'tags', 'id' => $tagserverlist]);
+ while ($server = dba::fetch($servers)) {
+ $serverlist[$server['url']] = $server['url'];
+ }
+ }
+ }
- if (!$relais) {
- $r = q(
- "INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
- VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
- DateTimeFormat::utcNow(),
- dbesc($addr),
- dbesc($addr),
- dbesc($server),
- dbesc(normalise_link($server)),
- dbesc($batch),
- dbesc(NETWORK_DIASPORA),
- intval(CONTACT_IS_FOLLOWER),
- dbesc(DateTimeFormat::utcNow()),
- dbesc(DateTimeFormat::utcNow()),
- dbesc(DateTimeFormat::utcNow())
- );
+ // Now we are collecting all relay contacts
+ foreach ($serverlist as $server_url) {
+ // We don't send messages to ourselves
+ if (link_compare($server_url, System::baseUrl())) {
+ continue;
+ }
+ $contact = self::getRelayContact($server_url);
+ if (is_bool($contact)) {
+ continue;
+ }
- $relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
- if ($relais) {
- $relay[] = $relais[0];
+ $exists = false;
+ foreach ($contacts as $entry) {
+ if ($entry['batch'] == $contact['batch']) {
+ $exists = true;
}
- } else {
- $relay[] = $relais[0];
+ }
+
+ if (!$exists) {
+ $contacts[] = $contact;
+ }
+ }
+
+ return $contacts;
+ }
+
+ /**
+ * @brief Return a contact for a given server address or creates a dummy entry
+ *
+ * @param string $server_url The url of the server
+ * @return array with the contact
+ */
+ private static function getRelayContact($server_url)
+ {
+ $batch = $server_url . '/receive/public';
+
+ $fields = ['batch', 'id', 'name', 'network', 'archive', 'blocked'];
+
+ // Fetch the relay contact
+ $condition = ['uid' => 0, 'network' => NETWORK_DIASPORA, 'batch' => $batch,
+ 'contact-type' => ACCOUNT_TYPE_RELAY];
+ $contact = dba::selectFirst('contact', $fields, $condition);
+
+ // If there is nothing found, we check if there is some unmarked relay
+ // This code segment can be removed before the release 2018-05
+ if (!DBM::is_result($contact)) {
+ $condition = ['uid' => 0, 'network' => NETWORK_DIASPORA, 'batch' => $batch,
+ 'name' => 'relay', 'nick' => 'relay', 'url' => $server_url];
+ $contact = dba::selectFirst('contact', $fields, $condition);
+
+ if (DBM::is_result($contact)) {
+ // Mark the relay account as a relay account
+ $fields = ['contact-type' => ACCOUNT_TYPE_RELAY];
+ dba::update('contact', $fields, ['id' => $contact['id']]);
}
}
+ if (DBM::is_result($contact)) {
+ if ($contact['archive'] || $contact['blocked']) {
+ return false;
+ }
+ return $contact;
+ } else {
+ $fields = ['uid' => 0, 'created' => DateTimeFormat::utcNow(),
+ 'name' => 'relay', 'nick' => 'relay',
+ 'url' => $server_url, 'nurl' => normalise_link($server_url),
+ 'batch' => $batch, 'network' => NETWORK_DIASPORA,
+ 'rel' => CONTACT_IS_FOLLOWER, 'blocked' => false,
+ 'contact-type' => ACCOUNT_TYPE_RELAY,
+ 'pending' => false, 'writable' => true];
+ dba::insert('contact', $fields);
+
+ $fields = ['batch', 'id', 'name', 'network'];
+ $contact = dba::selectFirst('contact', $fields, $condition);
+ if (DBM::is_result($contact)) {
+ return $contact;
+ }
+
+ }
- return $relay;
+ // It should never happen that we arrive here
+ return [];
}
/**
$signable_data = $msg.".".base64url_encode($type).".".base64url_encode($encoding).".".base64url_encode($alg);
+ if ($handle == '') {
+ logger('No author could be decoded. Discarding. Message: ' . $envelope);
+ return false;
+ }
+
$key = self::key($handle);
+ if ($key == '') {
+ logger("Couldn't get a key for handle " . $handle . ". Discarding.");
+ return false;
+ }
$verify = Crypto::rsaVerify($signable_data, $sig, $key);
if (!$verify) {
- logger('Message did not verify. Discarding.');
+ logger('Message from ' . $handle . ' did not verify. Discarding.');
return false;
}
// Get the senders' public key
$key_id = $base->sig[0]->attributes()->key_id[0];
$author_addr = base64_decode($key_id);
+ if ($author_addr == '') {
+ logger('No author could be decoded. Discarding. Message: ' . $xml);
+ System::httpExit(400);
+ }
+
$key = self::key($author_addr);
+ if ($key == '') {
+ logger("Couldn't get a key for handle " . $author_addr . ". Discarding.");
+ System::httpExit(400);
+ }
$verify = Crypto::rsaVerify($signed_data, $signature, $key);
if (!$verify) {
}
logger('Received participation for ID: '.$item['id'].' - Contact: '.$contact_id.' - Server: '.$server, LOGGER_DEBUG);
- dba::insert('participation', ['iid' => $item['id'], 'cid' => $contact_id, 'fid' => $person['id'], 'server' => $server]);
+
+ if (!dba::exists('participation', ['iid' => $item['id'], 'server' => $server])) {
+ dba::insert('participation', ['iid' => $item['id'], 'cid' => $contact_id, 'fid' => $person['id'], 'server' => $server]);
+ }
// Send all existing comments and likes to the requesting server
$comments = dba::p("SELECT `item`.`id`, `item`.`verb`, `contact`.`self`
*
* @return string The message that will be transmitted to other servers
*/
- private static function buildMessage($msg, $user, $contact, $prvkey, $pubkey, $public = false)
+ public static function buildMessage($msg, $user, $contact, $prvkey, $pubkey, $public = false)
{
// The message is put into an envelope with the sender's signature
$envelope = self::buildMagicEnvelope($msg, $user);
}
$logid = random_string(4);
+
$dest_url = ($public_batch ? $contact["batch"] : $contact["notify"]);
- // Fetch the fcontact entry when there is missing data
- // Will possibly happen when data is transmitted to a DFRN contact
- if (empty($dest_url) && !empty($contact['addr'])) {
+ // We always try to use the data from the fcontact table.
+ // This is important for transmitting data to Friendica servers.
+ if (!empty($contact['addr'])) {
$fcontact = self::personByHandle($contact['addr']);
- $dest_url = ($public_batch ? $fcontact["batch"] : $fcontact["notify"]);
+ if (!empty($fcontact)) {
+ $dest_url = ($public_batch ? $fcontact["batch"] : $fcontact["notify"]);
+ }
}
if (!$dest_url) {
}
}
- logger("transmit: ".$logid."-".$guid." returns: ".$return_code);
+ logger("transmit: ".$logid."-".$guid." to ".$dest_url." returns: ".$return_code);
if (!$return_code || (($return_code == 503) && (stristr($a->get_curl_headers(), "retry-after")))) {
- if (!$no_queue) {
+ if (!$no_queue && ($contact['contact-type'] != ACCOUNT_TYPE_RELAY)) {
logger("queue message");
// queue message for redelivery
Queue::add($contact["id"], NETWORK_DIASPORA, $envelope, $public_batch, $guid);
$eventdata['description'] = html_entity_decode(BBCode::toMarkdown($event['desc']));
}
if ($event['location']) {
+ $event['location'] = preg_replace("/\[map\](.*?)\[\/map\]/ism", '$1', $event['location']);
+ $coord = Map::getCoordinates($event['location']);
+
$location = [];
$location["address"] = html_entity_decode(BBCode::toMarkdown($event['location']));
- $location["lat"] = 0;
- $location["lng"] = 0;
+ if (!empty($coord['lat']) && !empty($coord['lon'])) {
+ $location["lat"] = $coord['lat'];
+ $location["lng"] = $coord['lon'];
+ } else {
+ $location["lat"] = 0;
+ $location["lng"] = 0;
+ }
$eventdata['location'] = $location;
}
$title = $item["title"];
$body = $item["body"];
+ if ($item['author-link'] != $item['owner-link']) {
+ require_once 'mod/share.php';
+ $body = share_header($item['author-name'], $item['author-link'], $item['author-avatar'],
+ "", $item['created'], $item['plink']) . $body . '[/share]';
+ }
+
// convert to markdown
$body = html_entity_decode(BBCode::toMarkdown($body));
if (count($event)) {
$message['event'] = $event;
- /// @todo Once Diaspora supports it, we will remove the body
+ if (!empty($event['location']['address']) &&
+ !empty($event['location']['lat']) &&
+ !empty($event['location']['lng'])) {
+ $message['location'] = $event['location'];
+ }
+
+ /// @todo Once Diaspora supports it, we will remove the body and the location hack above
// $message['text'] = '';
}
}