Merge branch '0.9.x' into activityexport

[quix0rs-gnu-social.git] / plugins / OStatus / lib / salmon.php

diff --git a/plugins/OStatus/lib/salmon.php b/plugins/OStatus/lib/salmon.php
index 8c77222a6284ea6c63a85135510e76b0834be0be..963da650840ecf869fe1bc868779f3ad67d1508a 100644 (file)
--- a/plugins/OStatus/lib/salmon.php
+++ b/plugins/OStatus/lib/salmon.php
@@ -28,37 +28,85 @@
  */
 class Salmon
 {
-    public function post($endpoint_uri, $xml)
+    const REL_SALMON = 'salmon';
+    const REL_MENTIONED = 'mentioned';
+
+    // XXX: these are deprecated
+    const NS_REPLIES = "http://salmon-protocol.org/ns/salmon-replies";
+    const NS_MENTIONS = "http://salmon-protocol.org/ns/salmon-mention";
+
+    /**
+     * Sign and post the given Atom entry as a Salmon message.
+     *
+     * @fixme pass through the actor for signing?
+     *
+     * @param string $endpoint_uri
+     * @param string $xml
+     * @return boolean success
+     */
+    public function post($endpoint_uri, $xml, $actor)
     {
         if (empty($endpoint_uri)) {
-            return FALSE;
+            return false;
+        }
+
+        try {
+            $xml = $this->createMagicEnv($xml, $actor);
+        } catch (Exception $e) {
+            common_log(LOG_ERR, "Salmon unable to sign: " . $e->getMessage());
+            return false;
         }
 
-        $headers = array('Content-type: application/atom+xml');
+        $headers = array('Content-Type: application/magic-envelope+xml');
 
         try {
             $client = new HTTPClient();
             $client->setBody($xml);
             $response = $client->post($endpoint_uri, $headers);
         } catch (HTTP_Request2_Exception $e) {
+            common_log(LOG_ERR, "Salmon post to $endpoint_uri failed: " . $e->getMessage());
             return false;
         }
         if ($response->getStatus() != 200) {
+            common_log(LOG_ERR, "Salmon at $endpoint_uri returned status " .
+                $response->getStatus() . ': ' . $response->getBody());
             return false;
         }
-
+        return true;
     }
 
-    public function createMagicEnv($text, $userid)
+    public function createMagicEnv($text, $actor)
     {
+        $magic_env = new MagicEnvelope();
 
+        $user = User::staticGet('id', $actor->id);
+        if ($user->id) {
+            // Use local key
+            $magickey = Magicsig::staticGet('user_id', $user->id);
+            if (!$magickey) {
+                // No keypair yet, let's generate one.
+                $magickey = new Magicsig();
+                $magickey->generate($user->id);
+            }
+        } else {
+            // TRANS: Exception.
+            throw new Exception(_m('Salmon invalid actor for signing.'));
+        }
 
+        try {
+            $env = $magic_env->signMessage($text, 'application/atom+xml', $magickey->toString());
+        } catch (Exception $e) {
+            return $text;
+        }
+        return $magic_env->toXML($env);
     }
 
-
-    public function verifyMagicEnv($env)
+    public function verifyMagicEnv($text)
     {
+        $magic_env = new MagicEnvelope();
 
+        $env = $magic_env->parse($text);
 
+        return $magic_env->verify($env);
     }
 }