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[quix0rs-gnu-social.git] / plugins / OStatus / OStatusPlugin.php
index c242afbd7821d365b8fc5104fe6356b42f48feca..0dace39db0a542da1031df2f40de0abe0560ee61 100644 (file)
@@ -30,28 +30,15 @@ if (!defined('GNUSOCIAL')) { exit(1); }
 
 set_include_path(get_include_path() . PATH_SEPARATOR . dirname(__FILE__) . '/extlib/phpseclib');
 
-class FeedSubException extends Exception
-{
-    function __construct($msg=null)
-    {
-        $type = get_class($this);
-        if ($msg) {
-            parent::__construct("$type: $msg");
-        } else {
-            parent::__construct($type);
-        }
-    }
-}
-
 class OStatusPlugin extends Plugin
 {
     /**
      * Hook for RouterInitialized event.
      *
-     * @param Net_URL_Mapper $m path-to-action mapper
+     * @param URLMapper $m path-to-action mapper
      * @return boolean hook return
      */
-    function onRouterInitialized($m)
+    public function onRouterInitialized(URLMapper $m)
     {
         // Discovery actions
         $m->connect('main/ostatustag',
@@ -233,37 +220,6 @@ class OStatusPlugin extends Plugin
         return true;
     }
 
-    function onStartTagProfileAction($action, $profile)
-    {
-        $err = null;
-        $uri = $action->trimmed('uri');
-
-        if (!$profile && $uri) {
-            try {
-                if (Validate::email($uri)) {
-                    $oprofile = Ostatus_profile::ensureWebfinger($uri);
-                } else if (Validate::uri($uri)) {
-                    $oprofile = Ostatus_profile::ensureProfileURL($uri);
-                } else {
-                    // TRANS: Exception in OStatus when invalid URI was entered.
-                    throw new Exception(_m('Invalid URI.'));
-                }
-
-                // redirect to the new profile.
-                common_redirect(common_local_url('tagprofile', array('id' => $oprofile->profile_id)), 303);
-
-            } catch (Exception $e) {
-                // TRANS: Error message in OStatus plugin. Do not translate the domain names example.com
-                // TRANS: and example.net, as these are official standard domain names for use in examples.
-                $err = _m("Sorry, we could not reach that address. Please make sure that the OStatus address is like nickname@example.com or http://example.net/nickname.");
-            }
-
-            $action->showForm($err);
-            return false;
-        }
-        return true;
-    }
-
     /*
      * If the field being looked for is URI look for the profile
      */
@@ -326,7 +282,7 @@ class OStatusPlugin extends Plugin
                                                'type' => 'mention',
                                                'text' => $target,
                                                'position' => $pos,
-                                               'url' => $profile->profileurl);
+                                               'url' => $profile->getUrl());
                     }
                 } catch (Exception $e) {
                     $this->log(LOG_ERR, "Webfinger check failed: " . $e->getMessage());
@@ -353,7 +309,7 @@ class OStatusPlugin extends Plugin
                                                    'type' => 'mention',
                                                    'text' => $target,
                                                    'position' => $pos,
-                                                   'url' => $profile->profileurl);
+                                                   'url' => $profile->getUrl());
                             break;
                         }
                     } catch (Exception $e) {
@@ -1044,7 +1000,7 @@ class OStatusPlugin extends Plugin
                                $notice->getUrl());
 
         $act->actor   = $profile->asActivityObject();
-        $act->object  = ActivityObject::fromNotice($notice);
+        $act->object  = $notice->asActivityObject();
 
         $oprofile->notifyActivity($act, $profile);
 
@@ -1107,8 +1063,12 @@ class OStatusPlugin extends Plugin
 
     function showEntityRemoteSubscribe($action, $target='ostatussub')
     {
-        $user = common_current_user();
-        if ($user && ($user->id == $action->profile->id)) {
+        if (!$action->getScoped() instanceof Profile) {
+            // early return if we're not logged in
+            return true;
+        }
+
+        if ($action->getScoped()->sameAs($action->getTarget())) {
             $action->elementStart('div', 'entity_actions');
             $action->elementStart('p', array('id' => 'entity_remote_subscribe',
                                              'class' => 'entity_subscribe'));
@@ -1171,46 +1131,49 @@ class OStatusPlugin extends Plugin
         return true;
     }
 
-    function onStartProfileListItemActionElements($item, $profile=null)
+    // FIXME: This one can accept both an Action and a Widget. Confusing! Refactor to (HTMLOutputter $out, Profile $target)!
+    function onStartProfileListItemActionElements($item)
     {
-        if (!common_logged_in()) {
-
-            $profileUser = User::getKV('id', $item->profile->id);
-
-            if (!empty($profileUser)) {
-
-                if ($item instanceof Action) {
-                    $output = $item;
-                    $profile = $item->profile;
-                } else {
-                    $output = $item->out;
-                }
+        if (common_logged_in()) {
+            // only non-logged in users get to see the "remote subscribe" form
+            return true;
+        } elseif (!$item->getTarget()->isLocal()) {
+            // we can (for now) only provide remote subscribe forms for local users
+            return true;
+        }
 
-                // Add an OStatus subscribe
-                $output->elementStart('li', 'entity_subscribe');
-                $url = common_local_url('ostatusinit',
-                                        array('nickname' => $profileUser->nickname));
-                $output->element('a', array('href' => $url,
-                                            'class' => 'entity_remote_subscribe'),
-                                  // TRANS: Link text for a user to subscribe to an OStatus user.
-                                 _m('Subscribe'));
-                $output->elementEnd('li');
-
-                $output->elementStart('li', 'entity_tag');
-                $url = common_local_url('ostatustag',
-                                        array('nickname' => $profileUser->nickname));
-                $output->element('a', array('href' => $url,
-                                            'class' => 'entity_remote_tag'),
-                                  // TRANS: Link text for a user to list an OStatus user.
-                                 _m('List'));
-                $output->elementEnd('li');
-            }
+        if ($item instanceof ProfileAction) {
+            $output = $item;
+        } elseif ($item instanceof Widget) {
+            $output = $item->out;
+        } else {
+            // Bad $item class, don't know how to use this for outputting!
+            throw new ServerException('Bad item type for onStartProfileListItemActionElements');
         }
 
+        // Add an OStatus subscribe
+        $output->elementStart('li', 'entity_subscribe');
+        $url = common_local_url('ostatusinit',
+                                array('nickname' => $item->getTarget()->getNickname()));
+        $output->element('a', array('href' => $url,
+                                    'class' => 'entity_remote_subscribe'),
+                          // TRANS: Link text for a user to subscribe to an OStatus user.
+                         _m('Subscribe'));
+        $output->elementEnd('li');
+
+        $output->elementStart('li', 'entity_tag');
+        $url = common_local_url('ostatustag',
+                                array('nickname' => $item->getTarget()->getNickname()));
+        $output->element('a', array('href' => $url,
+                                    'class' => 'entity_remote_tag'),
+                          // TRANS: Link text for a user to list an OStatus user.
+                         _m('List'));
+        $output->elementEnd('li');
+
         return true;
     }
 
-    function onPluginVersion(&$versions)
+    function onPluginVersion(array &$versions)
     {
         $versions[] = array('name' => 'OStatus',
                             'version' => GNUSOCIAL_VERSION,
@@ -1289,21 +1252,21 @@ class OStatusPlugin extends Plugin
     function onEndWebFingerNoticeLinks(XML_XRD $xrd, Notice $target)
     {
         $author = $target->getProfile();
-        $salmon_url = common_local_url('usersalmon', array('id' => $author->id));
+        $profiletype = $this->profileTypeString($author);
+        $salmon_url = common_local_url("{$profiletype}salmon", array('id' => $author->id));
         $xrd->links[] = new XML_XRD_Element_Link(Salmon::REL_SALMON, $salmon_url);
         return true;
     }
 
     function onEndWebFingerProfileLinks(XML_XRD $xrd, Profile $target)
     {
-        $xrd->links[] = new XML_XRD_Element_Link(Discovery::UPDATESFROM,
-                            common_local_url('ApiTimelineUser',
-                                array('id' => $target->id, 'format' => 'atom')),
-                            'application/atom+xml');
+        if ($target->getObjectType() === ActivityObject::PERSON) {
+            $this->addWebFingerPersonLinks($xrd, $target);
+        }
 
-                // Salmon
-        $salmon_url = common_local_url('usersalmon',
-                                       array('id' => $target->id));
+        // Salmon
+        $profiletype = $this->profileTypeString($target);
+        $salmon_url = common_local_url("{$profiletype}salmon", array('id' => $target->id));
 
         $xrd->links[] = new XML_XRD_Element_Link(Salmon::REL_SALMON, $salmon_url);
 
@@ -1311,24 +1274,50 @@ class OStatusPlugin extends Plugin
         $xrd->links[] = new XML_XRD_Element_Link(Salmon::NS_REPLIES, $salmon_url);
         $xrd->links[] = new XML_XRD_Element_Link(Salmon::NS_MENTIONS, $salmon_url);
 
+        // TODO - finalize where the redirect should go on the publisher
+        $xrd->links[] = new XML_XRD_Element_Link('http://ostatus.org/schema/1.0/subscribe',
+                              common_local_url('ostatussub') . '?profile={uri}',
+                              null, // type not set
+                              true); // isTemplate
+
+        return true;
+    }
+
+    protected function profileTypeString(Profile $target)
+    {
+        // This is just used to have a definitive string response to "USERsalmon" or "GROUPsalmon"
+        switch ($target->getObjectType()) {
+        case ActivityObject::PERSON:
+            return 'user';
+        case ActivityObject::GROUP:
+            return 'group';
+        default:
+            throw new ServerException('Unknown profile type for WebFinger profile links');
+        }
+    }
+
+    protected function addWebFingerPersonLinks(XML_XRD $xrd, Profile $target)
+    {
+        $xrd->links[] = new XML_XRD_Element_Link(Discovery::UPDATESFROM,
+                            common_local_url('ApiTimelineUser',
+                                array('id' => $target->id, 'format' => 'atom')),
+                            'application/atom+xml');
+
         // Get this profile's keypair
         $magicsig = Magicsig::getKV('user_id', $target->id);
         if (!$magicsig instanceof Magicsig && $target->isLocal()) {
             $magicsig = Magicsig::generate($target->getUser());
         }
 
-        if ($magicsig instanceof Magicsig) {
+        if (!$magicsig instanceof Magicsig) {
+            return false;   // value doesn't mean anything, just figured I'd indicate this function didn't do anything
+        }
+        if (Event::handle('StartAttachPubkeyToUserXRD', array($magicsig, $xrd, $target))) {
             $xrd->links[] = new XML_XRD_Element_Link(Magicsig::PUBLICKEYREL,
                                 'data:application/magic-public-key,'. $magicsig->toString());
+            // The following event handles plugins like Diaspora which add their own version of the Magicsig pubkey
+            Event::handle('EndAttachPubkeyToUserXRD', array($magicsig, $xrd, $target));
         }
-
-        // TODO - finalize where the redirect should go on the publisher
-        $xrd->links[] = new XML_XRD_Element_Link('http://ostatus.org/schema/1.0/subscribe',
-                              common_local_url('ostatussub') . '?profile={uri}',
-                              null, // type not set
-                              true); // isTemplate
-
-        return true;
     }
 
     public function onGetLocalAttentions(Profile $actor, array $attention_uris, array &$mentions, array &$groups)
@@ -1340,14 +1329,26 @@ class OStatusPlugin extends Plugin
     static public function onCheckActivityAuthorship(Activity $activity, Profile &$profile)
     {
         try {
-            $oprofile = Ostatus_profile::getFromProfile($profile);
-            $oprofile = $oprofile->checkAuthorship($activity);
-            $profile = $oprofile->localProfile();
+            $oprofile = Ostatus_profile::ensureProfileURL($profile->getUrl());
+            $profile = $oprofile->checkAuthorship($activity);
         } catch (Exception $e) {
-            common_log(LOG_ERR, 'Could not get a profile or check authorship ('.get_class($e).': "'.$e->getMessage().'")');
+            common_log(LOG_ERR, 'Could not get a profile or check authorship ('.get_class($e).': "'.$e->getMessage().'") for activity ID: '.$activity->id);
             $profile = null;
             return false;
         }
         return true;
     }
+
+    public function onProfileDeleteRelated($profile, &$related)
+    {
+        // Ostatus_profile has a 'profile_id' property, which will be used to find the object
+        $related[] = 'Ostatus_profile';
+
+        // Magicsig has a "user_id" column instead, so we have to delete it more manually:
+        $magicsig = Magicsig::getKV('user_id', $profile->id);
+        if ($magicsig instanceof Magicsig) {
+            $magicsig->delete();
+        }
+        return true;
+    }
 }