Direct transfer without a relay is now possible
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3 changed files with 88 additions and 47 deletions
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@ -85,6 +85,7 @@ Example: To set the automatic database cleanup process add this line to your .ht
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* **proxy_cache_time** - Time after which the cache is cleared. Default value is one day.
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* **pushpoll_frequency** -
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* **qsearch_limit** - Default value is 100.
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* **relay_directly** (Boolean) - Enables the direct transfer without using the relay servers
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* **relay_server** - Experimental Diaspora feature. Address of the relay server where public posts should be send to. For example https://podrelay.net
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* **relay_subscribe** (Boolean) - Enables the receiving of public posts from the relay. They will be included in the search and on the community page when it is set up to show all public items.
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* **relay_scope** - Can be "all" or "tags". "all" means that every public post should be received. "tags" means that only posts with selected tags should be received.
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@ -47,60 +47,100 @@ class Diaspora
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/**
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* @brief Return a list of relay servers
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*
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* This is an experimental Diaspora feature.
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* The list contains not only the official relays but also servers that we serve directly
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*
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* @param integer $item_id The id of the item that is sent
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* @return array of relay servers
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*/
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public static function relayList()
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public static function relayList($item_id)
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{
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$serverlist = [];
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// Fetching relay servers
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$serverdata = Config::get("system", "relay_server");
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if ($serverdata == "") {
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return [];
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}
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$relay = [];
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if ($serverdata != "") {
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$servers = explode(",", $serverdata);
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foreach ($servers as $server) {
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$server = trim($server);
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$addr = "relay@".str_replace("http://", "", normalise_link($server));
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$batch = $server."/receive/public";
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$relais = q(
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"SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' AND `addr` = '%s' AND `nurl` = '%s' LIMIT 1",
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dbesc($batch),
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dbesc($addr),
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dbesc(normalise_link($server))
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);
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if (!$relais) {
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$r = q(
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"INSERT INTO `contact` (`uid`, `created`, `name`, `nick`, `addr`, `url`, `nurl`, `batch`, `network`, `rel`, `blocked`, `pending`, `writable`, `name-date`, `uri-date`, `avatar-date`)
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VALUES (0, '%s', '%s', 'relay', '%s', '%s', '%s', '%s', '%s', %d, 0, 0, 1, '%s', '%s', '%s')",
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DateTimeFormat::utcNow(),
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dbesc($addr),
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dbesc($addr),
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dbesc($server),
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dbesc(normalise_link($server)),
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dbesc($batch),
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dbesc(NETWORK_DIASPORA),
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intval(CONTACT_IS_FOLLOWER),
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dbesc(DateTimeFormat::utcNow()),
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dbesc(DateTimeFormat::utcNow()),
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dbesc(DateTimeFormat::utcNow())
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);
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$relais = q("SELECT `batch`, `id`, `name`,`network` FROM `contact` WHERE `uid` = 0 AND `batch` = '%s' LIMIT 1", dbesc($batch));
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if ($relais) {
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$relay[] = $relais[0];
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$serverlist[$server] = trim($server);
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}
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}
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if (Config::get("system", "relay_directly", false)) {
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// Servers that want to get all content
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$servers = dba::select('gserver', ['url'], ['relay-subscribe' => true, 'relay-scope' => 'all']);
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while ($server = dba::fetch($servers)) {
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$serverlist[$server['url']] = $server['url'];
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}
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// All tags of the current post
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$condition = ['otype' => TERM_OBJ_POST, 'type' => TERM_HASHTAG, 'oid' => $item_id];
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$tags = dba::select('term', ['term'], $condition);
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$taglist = [];
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while ($tag = dba::fetch($tags)) {
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$taglist[] = $tag['term'];
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}
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// All servers who wants content with this tag
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$tagserverlist = [];
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$tagserver = dba::select('gserver-tag', ['gserver-id'], ['tag' => $taglist]);
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while ($server = dba::fetch($tagserver)) {
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$tagserverlist[] = $server['gserver-id'];
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}
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// All adresses with the given id
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$servers = dba::select('gserver', ['url'], ['relay-subscribe' => true, 'relay-scope' => 'tags', 'id' => $tagserverlist]);
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while ($server = dba::fetch($servers)) {
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$serverlist[$server['url']] = $server['url'];
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}
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}
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// Now we are collecting all relay contacts
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$contacts = [];
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foreach ($serverlist as $server_url) {
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// We don't send messages to ourselves
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if (!link_compare($server_url, System::baseUrl())) {
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$contacts[] = self::getRelayContactId($server_url);
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}
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}
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return $contacts;
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}
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/**
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* @brief Return a contact for a given server address or creates a dummy entry
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*
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* @param string $server_url The url of the server
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* @return array with the contact
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*/
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private static function getRelayContactId($server_url)
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{
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$batch = $server_url . '/receive/public';
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$fields = ['batch', 'id', 'name', 'network'];
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$condition = ['uid' => 0, 'network' => NETWORK_DIASPORA, 'batch' => $batch,
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'archive' => false, 'blocked' => false];
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$contact = dba::selectFirst('contact', $fields, $condition);
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if (DBM::is_result($contact)) {
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return $contact;
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} else {
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$relay[] = $relais[0];
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}
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$fields = ['uid' => 0, 'created' => DateTimeFormat::utcNow(),
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'name' => 'relay', 'nick' => 'relay',
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'url' => $server_url, 'nurl' => normalise_link($server_url),
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'batch' => $batch, 'network' => NETWORK_DIASPORA,
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'rel' => CONTACT_IS_FOLLOWER, 'blocked' => false,
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'pending' => false, 'writable' => true];
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dba::insert('contact', $fields);
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$fields = ['batch', 'id', 'name', 'network'];
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$contact = dba::selectFirst('contact', $fields, $condition);
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if (DBM::is_result($contact)) {
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return $contact;
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}
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return $relay;
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}
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// It should never happen that we arrive here
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return [];
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}
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/**
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@ -485,7 +485,7 @@ class Notifier {
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if ($diaspora_delivery) {
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if (!$followup) {
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$r0 = Diaspora::relayList();
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$r0 = Diaspora::relayList($item_id);
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}
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$r1 = q("SELECT `batch`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`name`) AS `name`, ANY_VALUE(`network`) AS `network`
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