]> git.mxchange.org Git - friendica.git/blobdiff - src/Protocol/Relay.php
$id in Transmitter::sendContactAccept() is a string, see Introduction class
[friendica.git] / src / Protocol / Relay.php
index d40ba5c3384447ae74d34d34b8b041588c9af7f3..7414c29315e5981c479804708fa5065a7158c0fd 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -29,7 +29,6 @@ use Friendica\DI;
 use Friendica\Model\APContact;
 use Friendica\Model\Contact;
 use Friendica\Model\GServer;
-use Friendica\Model\Item;
 use Friendica\Model\Post;
 use Friendica\Model\Search;
 use Friendica\Model\Tag;
@@ -38,9 +37,15 @@ use Friendica\Util\Strings;
 
 /**
  * Base class for relay handling
+ * @see https://github.com/jaywink/social-relay
+ * @see https://wiki.diasporafoundation.org/Relay_servers_for_public_posts
  */
 class Relay
 {
+       const SCOPE_NONE = '';
+       const SCOPE_ALL = 'all';
+       const SCOPE_TAGS = 'tags';
+
        /**
         * Check if a post is wanted
         *
@@ -50,18 +55,13 @@ class Relay
         * @param string $url
         * @return boolean "true" is the post is wanted by the system
         */
-       public static function isSolicitedPost(array $tags, string $body, int $authorid, string $url, string $network = '')
+       public static function isSolicitedPost(array $tags, string $body, int $authorid, string $url, string $network = ''): bool
        {
                $config = DI::config();
 
-               $subscribe = $config->get('system', 'relay_subscribe', false);
-               if ($subscribe) {
-                       $scope = $config->get('system', 'relay_scope', SR_SCOPE_ALL);
-               } else {
-                       $scope = SR_SCOPE_NONE;
-               }
+               $scope = $config->get('system', 'relay_scope');
 
-               if ($scope == SR_SCOPE_NONE) {
+               if ($scope == self::SCOPE_NONE) {
                        Logger::info('Server does not accept relay posts - rejected', ['network' => $network, 'url' => $url]);
                        return false;
                }
@@ -80,10 +80,10 @@ class Relay
                $userTags = [];
                $denyTags = [];
 
-               if ($scope == SR_SCOPE_TAGS) {
+               if ($scope == self::SCOPE_TAGS) {
                        $server_tags = $config->get('system', 'relay_server_tags');
                        $tagitems = explode(',', mb_strtolower($server_tags));
-                       foreach ($tagitems AS $tag) {
+                       foreach ($tagitems as $tag) {
                                $systemTags[] = trim($tag, '# ');
                        }
 
@@ -96,7 +96,7 @@ class Relay
 
                $deny_tags = $config->get('system', 'relay_deny_tags');
                $tagitems = explode(',', mb_strtolower($deny_tags));
-               foreach ($tagitems AS $tag) {
+               foreach ($tagitems as $tag) {
                        $tag = trim($tag, '# ');
                        $denyTags[] = $tag;
                }
@@ -125,7 +125,7 @@ class Relay
                        }
                }
 
-               if ($scope == SR_SCOPE_ALL) {
+               if ($scope == self::SCOPE_ALL) {
                        Logger::info('Server accept all posts - accepted', ['network' => $network, 'url' => $url]);
                        return true;
                }
@@ -139,6 +139,7 @@ class Relay
         *
         * @param array $gserver Global server record
         * @param array $fields  Optional network specific fields
+        * @return void
         * @throws \Exception
         */
        public static function updateContact(array $gserver, array $fields = [])
@@ -168,11 +169,11 @@ class Relay
                        return;
                }
 
-               if (DBA::isResult($old)) {      
+               if (DBA::isResult($old)) {
                        $fields['updated'] = DateTimeFormat::utcNow();
 
                        Logger::info('Update relay contact', ['server' => $gserver['url'], 'id' => $old['id'], 'fields' => $fields]);
-                       DBA::update('contact', $fields, ['id' => $old['id']], $old);
+                       Contact::update($fields, ['id' => $old['id']], $old);
                } else {
                        $default = ['created' => DateTimeFormat::utcNow(),
                                'name' => 'relay', 'nick' => 'relay', 'url' => $gserver['url'],
@@ -198,6 +199,7 @@ class Relay
         * The relay contact is a technical contact entry that exists once per server.
         *
         * @param array $contact of the relay contact
+        * @return void
         */
        public static function markForArchival(array $contact)
        {
@@ -224,76 +226,64 @@ class Relay
        }
 
        /**
-        * Return a list of relay servers
-        *
-        * The list contains not only the official relays but also servers that we serve directly
+        * Return a list of servers that we serve via the direct relay
         *
         * @param integer $item_id  id of the item that is sent
         * @param array   $contacts Previously fetched contacts
-        * @param array   $networks Networks of the relay servers 
-        *
+        * @param array   $networks Networks of the relay servers
         * @return array of relay servers
         * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         */
-       public static function getList(int $item_id, array $contacts, array $networks)
+       public static function getDirectRelayList(int $item_id): array
        {
                $serverlist = [];
 
-               // Fetching relay servers
-               $serverdata = DI::config()->get("system", "relay_server");
+               if (!DI::config()->get('system', 'relay_directly', false)) {
+                       return [];
+               }
 
-               if (!empty($serverdata)) {
-                       $servers = explode(",", $serverdata);
-                       foreach ($servers as $server) {
-                               $gserver = DBA::selectFirst('gserver', ['id', 'url', 'network'], ['nurl' => Strings::normaliseLink($server)]);
-                               if (DBA::isResult($gserver)) {
-                                       $serverlist[$gserver['id']] = $gserver;
-                               }
-                       }
+               // We distribute our stuff based on the parent to ensure that the thread will be complete
+               $parent = Post::selectFirst(['uri-id'], ['id' => $item_id]);
+               if (!DBA::isResult($parent)) {
+                       return [];
                }
 
-               if (DI::config()->get("system", "relay_directly", false)) {
-                       // We distribute our stuff based on the parent to ensure that the thread will be complete
-                       $parent = Post::selectFirst(['uri-id'], ['id' => $item_id]);
-                       if (!DBA::isResult($parent)) {
-                               return;
+               // Servers that want to get all content
+               $servers = DBA::select('gserver', ['id', 'url', 'network'], ['relay-subscribe' => true, 'relay-scope' => 'all']);
+               while ($server = DBA::fetch($servers)) {
+                       $serverlist[$server['id']] = $server;
+               }
+               DBA::close($servers);
+
+               // All tags of the current post
+               $tags = DBA::select('tag-view', ['name'], ['uri-id' => $parent['uri-id'], 'type' => Tag::HASHTAG]);
+               $taglist = [];
+               while ($tag = DBA::fetch($tags)) {
+                       $taglist[] = $tag['name'];
+               }
+               DBA::close($tags);
+
+               // 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[] = $server['gserver-id'];
                        }
+                       DBA::close($tagserver);
+               }
 
-                       // Servers that want to get all content
-                       $servers = DBA::select('gserver', ['id', 'url', 'network'], ['relay-subscribe' => true, 'relay-scope' => 'all']);
+               // All adresses with the given id
+               if (!empty($tagserverlist)) {
+                       $servers = DBA::select('gserver', ['id', 'url', 'network'], ['relay-subscribe' => true, 'relay-scope' => 'tags', 'id' => $tagserverlist]);
                        while ($server = DBA::fetch($servers)) {
                                $serverlist[$server['id']] = $server;
                        }
                        DBA::close($servers);
-
-                       // All tags of the current post
-                       $tags = DBA::select('tag-view', ['name'], ['uri-id' => $parent['uri-id'], 'type' => Tag::HASHTAG]);
-                       $taglist = [];
-                       while ($tag = DBA::fetch($tags)) {
-                               $taglist[] = $tag['name'];
-                       }
-                       DBA::close($tags);
-
-                       // 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[] = $server['gserver-id'];
-                               }
-                               DBA::close($tagserver);
-                       }
-
-                       // All adresses with the given id
-                       if (!empty($tagserverlist)) {
-                               $servers = DBA::select('gserver', ['id', 'url', 'network'], ['relay-subscribe' => true, 'relay-scope' => 'tags', 'id' => $tagserverlist]);
-                               while ($server = DBA::fetch($servers)) {
-                                       $serverlist[$server['id']] = $server;
-                               }
-                               DBA::close($servers);
-                       }
                }
 
+               $contacts = [];
+
                // Now we are collecting all relay contacts
                foreach ($serverlist as $gserver) {
                        // We don't send messages to ourselves
@@ -304,21 +294,30 @@ class Relay
                        if (empty($contact)) {
                                continue;
                        }
-
-                       if (in_array($contact['network'], $networks) && !in_array($contact['batch'], array_column($contacts, 'batch'))) {
-                               $contacts[] = $contact;
-                       }
                }
 
                return $contacts;
        }
 
+       /**
+        * Return a list of relay servers
+        *
+        * @param array $fields Field list
+        * @return array List of relay servers
+        * @throws Exception 
+        */
+       public static function getList(array $fields = []): array
+       {
+               return DBA::selectToArray('apcontact', $fields,
+                       ["`type` = ? AND `url` IN (SELECT `url` FROM `contact` WHERE `uid` = ? AND `rel` = ?)", 'Application', 0, Contact::FRIEND]);
+       }
+
        /**
         * Return a contact for a given server address or creates a dummy entry
         *
         * @param array $gserver Global server record
         * @param array $fields  Fieldlist
-        * @return array with the contact
+        * @return array|bool Array with the contact or false on error
         * @throws \Exception
         */
        private static function getContact(array $gserver, array $fields = ['batch', 'id', 'url', 'name', 'network', 'protocol', 'archive', 'blocked'])
@@ -343,4 +342,17 @@ class Relay
                // It should never happen that we arrive here
                return [];
        }
+
+       /**
+        * Resubscribe to all relay servers
+        *
+        * @return void
+        */
+       public static function reSubscribe()
+       {
+               foreach (self::getList() as $server) {
+                       $success = ActivityPub\Transmitter::sendRelayFollow($server['url']);
+                       Logger::debug('Resubscribed', ['profile' => $server['url'], 'success' => $success]);
+               }       
+       }
 }