3 files changed, 130 insertions, 7 deletions

diff --git a/classes/File.php b/classes/File.php
index f4d0a3a48..308d0a771 100644
--- a/classes/File.php
+++ b/classes/File.php
@@ -78,7 +78,7 @@ class File extends Memcached_DataObject
         $file_id = $x->insert();
 
         if (isset($redir_data['type'])
-            && ('text/html' === substr($redir_data['type'], 0, 9))
+            && (('text/html' === substr($redir_data['type'], 0, 9) || 'application/xhtml+xml' === substr($redir_data['type'], 0, 21)))
             && ($oembed_data = File_oembed::_getOembed($given_url))) {
                 File_oembed::saveNew($oembed_data, $file_id);
         }
@@ -201,7 +201,7 @@ class File extends Memcached_DataObject
         if(isset($this->filename)){
             return true;
         }
-        $notEnclosureMimeTypes = array('text/html','application/xhtml+xml');
+        $notEnclosureMimeTypes = array('text/html','application/xhtml+xml',null);
         $mimetype = strtolower($this->mimetype);
         $semicolon = strpos($mimetype,';');
         if($semicolon){
diff --git a/classes/Profile.php b/classes/Profile.php
index 6ad0e7a3a..8385ebf88 100644
--- a/classes/Profile.php
+++ b/classes/Profile.php
@@ -461,4 +461,79 @@ class Profile extends Memcached_DataObject
             $c->delete(common_cache_key('profile:notice_count:'.$this->id));
         }
     }
+
+    function delete()
+    {
+        $this->_deleteNotices();
+        $this->_deleteSubscriptions();
+        $this->_deleteMessages();
+        $this->_deleteTags();
+        $this->_deleteBlocks();
+
+        $related = array('Avatar',
+                         'Reply',
+                         'Group_member',
+                         );
+
+        foreach ($related as $cls) {
+            $inst = new $cls();
+            $inst->profile_id = $this->id;
+            $inst->delete();
+        }
+
+        parent::delete();
+    }
+
+    function _deleteNotices()
+    {
+        $notice = new Notice();
+        $notice->profile_id = $this->id;
+
+        if ($notice->find()) {
+            while ($notice->fetch()) {
+                $other = clone($notice);
+                $other->delete();
+            }
+        }
+    }
+
+    function _deleteSubscriptions()
+    {
+        $sub = new Subscription();
+        $sub->subscriber = $this->id;
+        $sub->delete();
+
+        $subd = new Subscription();
+        $subd->subscribed = $this->id;
+        $subd->delete();
+    }
+
+    function _deleteMessages()
+    {
+        $msg = new Message();
+        $msg->from_profile = $this->id;
+        $msg->delete();
+
+        $msg = new Message();
+        $msg->to_profile = $this->id;
+        $msg->delete();
+    }
+
+    function _deleteTags()
+    {
+        $tag = new Profile_tag();
+        $tag->tagged = $this->id;
+        $tag->delete();
+    }
+
+    function _deleteBlocks()
+    {
+        $block = new Profile_block();
+        $block->blocked = $this->id;
+        $block->delete();
+
+        $block = new Group_block();
+        $block->blocked = $this->id;
+        $block->delete();
+    }
 }
diff --git a/classes/User.php b/classes/User.php
index 14d3cf54f..007662131 100644
--- a/classes/User.php
+++ b/classes/User.php
@@ -120,11 +120,15 @@ class User extends Memcached_DataObject
     function allowed_nickname($nickname)
     {
         // XXX: should already be validated for size, content, etc.
-        static $blacklist = array('rss', 'xrds', 'doc', 'main',
-                                  'settings', 'notice', 'user',
-                                  'search', 'avatar', 'tag', 'tags',
-                                  'api', 'message', 'group', 'groups',
-                                  'local');
+
+        $blacklist = array();
+
+        //all directory and file names should be blacklisted
+        $d = dir(INSTALLDIR);
+        while (false !== ($entry = $d->read())) {
+            $blacklist[]=$entry;
+        }
+        $d->close();
         $merged = array_merge($blacklist, common_config('nickname', 'blacklist'));
         return !in_array($nickname, $merged);
     }
@@ -685,4 +689,48 @@ class User extends Memcached_DataObject
     {
         return Design::staticGet('id', $this->design_id);
     }
+
+    function delete()
+    {
+        $profile = $this->getProfile();
+        $profile->delete();
+
+        $related = array('Fave',
+                         'User_openid',
+                         'Confirm_address',
+                         'Remember_me',
+                         'Foreign_link',
+                         'Invitation',
+                         );
+
+        if (common_config('inboxes', 'enabled')) {
+            $related[] = 'Notice_inbox';
+        }
+
+        foreach ($related as $cls) {
+            $inst = new $cls();
+            $inst->user_id = $this->id;
+            $inst->delete();
+        }
+
+        $this->_deleteTags();
+        $this->_deleteBlocks();
+
+        parent::delete();
+    }
+
+    function _deleteTags()
+    {
+        $tag = new Profile_tag();
+        $tag->tagger = $this->id;
+        $tag->delete();
+    }
+
+    function _deleteBlocks()
+    {
+        $block = new Profile_block();
+        $block->blocker = $this->id;
+        $block->delete();
+        // XXX delete group block? Reset blocker?
+    }
 }