Normalize execution guards on OStatus php files; mostly helps cut down on annoying...

[quix0rs-gnu-social.git] / plugins / OStatus / actions / pushcallback.php

diff --git a/plugins/OStatus/actions/pushcallback.php b/plugins/OStatus/actions/pushcallback.php
index 2601a377a0bdf2d5b32246a05d3e43cc9dfb6686..9b83d43c4ddd7528fc41aedc5c728895c3b4a65b 100644 (file)
--- a/plugins/OStatus/actions/pushcallback.php
+++ b/plugins/OStatus/actions/pushcallback.php
@@ -22,13 +22,15 @@
  * @maintainer Brion Vibber <brion@status.net>
  */
 
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
+if (!defined('STATUSNET')) {
+    exit(1);
+}
 
 class PushCallbackAction extends Action
 {
     function handle()
     {
+        StatusNet::setApi(true); // Minimize error messages to aid in debugging
         parent::handle();
         if ($_SERVER['REQUEST_METHOD'] == 'POST') {
             $this->handlePost();
@@ -36,7 +38,7 @@ class PushCallbackAction extends Action
             $this->handleGet();
         }
     }
-    
+
     /**
      * Handler for POST content updates from the hub
      */
@@ -45,12 +47,13 @@ class PushCallbackAction extends Action
         $feedid = $this->arg('feed');
         common_log(LOG_INFO, "POST for feed id $feedid");
         if (!$feedid) {
-            throw new ServerException('Empty or invalid feed id', 400);
+            throw new ServerException(_m('Empty or invalid feed id.'), 400);
         }
 
-        $profile = Ostatus_profile::staticGet('id', $feedid);
-        if (!$profile) {
-            throw new ServerException('Unknown OStatus/PuSH feed id ' . $feedid, 400);
+        $feedsub = FeedSub::staticGet('id', $feedid);
+        if (!$feedsub) {
+            // TRANS: Server exception. %s is a feed ID.
+            throw new ServerException(sprintf(_m('Unknown PuSH feed id %s'),$feedid), 400);
         }
 
         $hmac = '';
@@ -59,11 +62,19 @@ class PushCallbackAction extends Action
         }
 
         $post = file_get_contents('php://input');
-        $profile->postUpdates($post, $hmac);
+
+        // Queue this to a background process; we should return
+        // as quickly as possible from a distribution POST.
+        // If queues are disabled this'll process immediately.
+        $data = array('feedsub_id' => $feedsub->id,
+                      'post' => $post,
+                      'hmac' => $hmac);
+        $qm = QueueManager::get();
+        $qm->enqueue($data, 'pushin');
     }
-    
+
     /**
-     * Handler for GET verification requests from the hub
+     * Handler for GET verification requests from the hub.
      */
     function handleGet()
     {
@@ -72,35 +83,47 @@ class PushCallbackAction extends Action
         $challenge = $this->arg('hub_challenge');
         $lease_seconds = $this->arg('hub_lease_seconds');
         $verify_token = $this->arg('hub_verify_token');
-        
+        common_log(LOG_INFO, __METHOD__ . ": sub verification mode: $mode topic: $topic challenge: $challenge lease_seconds: $lease_seconds verify_token: $verify_token");
+
         if ($mode != 'subscribe' && $mode != 'unsubscribe') {
-            common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback with mode \"$mode\"");
-            throw new ServerException("Bogus hub callback: bad mode", 404);
+            // TRANS: Client exception. %s is an invalid value for hub.mode.
+            throw new ClientException(sprintf(_m('Bad hub.mode "$s".',$mode)), 404);
         }
-        
-        $profile = Ostatus_profile::staticGet('feeduri', $topic);
-        if (!$profile) {
-            common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback for unknown feed $topic");
-            throw new ServerException("Bogus hub callback: unknown feed", 404);
+
+        $feedsub = FeedSub::staticGet('uri', $topic);
+        if (!$feedsub) {
+            // TRANS: Client exception. %s is an invalid feed name.
+            throw new ClientException(sprintf(_m('Bad hub.topic feed "%s".'),$topic), 404);
         }
 
-        if ($profile->verify_token !== $verify_token) {
-            common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback with bad token \"$verify_token\" for feed $topic");
-            throw new ServerError("Bogus hub callback: bad token", 404);
+        if ($feedsub->verify_token !== $verify_token) {
+            // TRANS: Client exception. %1$s the invalid token, %2$s is the topic for which the invalid token was given.
+            throw new ClientException(sprintf(_m('Bad hub.verify_token %1$s for %2$s.'),$token,$topic), 404);
         }
 
-        if ($mode != $profile->sub_state) {
-            common_log(LOG_WARNING, __METHOD__ . ": bogus hub callback with bad mode \"$mode\" for feed $topic in state \"{$profile->sub_state}\"");
-            throw new ServerException("Bogus hub callback: mode doesn't match subscription state.", 404);
+        if ($mode == 'subscribe') {
+            // We may get re-sub requests legitimately.
+            if ($feedsub->sub_state != 'subscribe' && $feedsub->sub_state != 'active') {
+                // TRANS: Client exception. %s is an invalid topic.
+                throw new ClientException(sprintf(_m('Unexpected subscribe request for %s.'),$topic), 404);
+            }
+        } else {
+            if ($feedsub->sub_state != 'unsubscribe') {
+                // TRANS: Client exception. %s is an invalid topic.
+                throw new ClientException(sprintf(_m('Unexpected unsubscribe request for %s.'),$topic), 404);
+            }
         }
 
-        // OK!
         if ($mode == 'subscribe') {
-            common_log(LOG_INFO, __METHOD__ . ': sub confirmed');
-            $profile->confirmSubscribe($lease_seconds);
+            if ($feedsub->sub_state == 'active') {
+                common_log(LOG_INFO, __METHOD__ . ': sub update confirmed');
+            } else {
+                common_log(LOG_INFO, __METHOD__ . ': sub confirmed');
+            }
+            $feedsub->confirmSubscribe($lease_seconds);
         } else {
             common_log(LOG_INFO, __METHOD__ . ": unsub confirmed; deleting sub record for $topic");
-            $profile->confirmUnsubscribe();
+            $feedsub->confirmUnsubscribe();
         }
         print $challenge;
     }