diff --git a/.gitignore b/.gitignore
index f4c2bba5f7..5394f5eac5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,4 @@ config-*.php
 good-config.php
 lac08.log
 php.log
-config.php.*
+
diff --git a/README b/README
index 0bf1319c6d..ef5a139346 100644
--- a/README
+++ b/README
@@ -964,9 +964,6 @@ sslserver: use an alternate server name for SSL URLs, like
 shorturllength: Length of URL at which URLs in a message exceeding 140
                 characters will be sent to the user's chosen
                 shortening service.
-design: a default design (colors and background) for the site.
-        Sub-items are: backgroundcolor, contentcolor, sidebarcolor,
-        textcolor, linkcolor, backgroundimage, disposition.
 dupelimit: minimum time allowed for one person to say the same thing
            twice. Default 60s. Anything lower is considered a user
            or UI error.
@@ -1432,6 +1429,20 @@ notify third-party servers of updates.
 notify: an array of URLs for ping endpoints. Default is the empty
         array (no notification).
 
+design
+------
+
+Default design (colors and background) for the site. Actual appearance
+depends on the theme.  Null values mean to use the theme defaults.
+
+backgroundcolor: Hex color of the site background.
+contentcolor: Hex color of the content area background.
+sidebarcolor: Hex color of the sidebar background.
+textcolor: Hex color of all non-link text.
+linkcolor: Hex color of all links.
+backgroundimage: Image to use for the background.
+disposition: Flags for whether or not to tile the background image.
+
 Plugins
 =======
 
diff --git a/actions/api.php b/actions/api.php
index 8b92889f8a..99ab262ad7 100644
--- a/actions/api.php
+++ b/actions/api.php
@@ -130,6 +130,7 @@ class ApiAction extends Action
                                 'laconica/wadl',
                                 'tags/timeline',
                                 'oembed/oembed',
+                                'groups/show',
                                 'groups/timeline');
 
         static $bareauth = array('statuses/user_timeline',
diff --git a/actions/conversation.php b/actions/conversation.php
index c8755ba6ef..6b5d8d54d9 100644
--- a/actions/conversation.php
+++ b/actions/conversation.php
@@ -167,6 +167,8 @@ class ConversationTree extends NoticeList
 
     function _buildTree()
     {
+        $cnt = 0;
+
         $this->tree  = array();
         $this->table = array();
 
diff --git a/actions/public.php b/actions/public.php
index ef9ef0d1ab..d0317ac706 100644
--- a/actions/public.php
+++ b/actions/public.php
@@ -229,7 +229,7 @@ class PublicAction extends Action
         // $top->show();
         $pop = new PopularNoticeSection($this);
         $pop->show();
-        $gbp = new GroupsByPostsSection($this);
+        $gbp = new GroupsByMembersSection($this);
         $gbp->show();
         $feat = new FeaturedUsersSection($this);
         $feat->show();
diff --git a/actions/twitapifavorites.php b/actions/twitapifavorites.php
index 8256668f3d..6f93610650 100644
--- a/actions/twitapifavorites.php
+++ b/actions/twitapifavorites.php
@@ -207,32 +207,10 @@ class TwitapifavoritesAction extends TwitterapiAction
         $other = User::staticGet('id', $notice->profile_id);
         if ($other && $other->id != $user->id) {
             if ($other->email && $other->emailnotifyfav) {
-                $this->notify_mail($other, $user, $notice);
+                mail_notify_fave($other, $user, $notice);
             }
             # XXX: notify by IM
             # XXX: notify by SMS
         }
     }
-
-    function notify_mail($other, $user, $notice)
-    {
-        $profile = $user->getProfile();
-        $bestname = $profile->getBestName();
-        $subject = sprintf(_('%s added your notice as a favorite'), $bestname);
-        $body = sprintf(_("%1\$s just added your notice from %2\$s as one of their favorites.\n\n" .
-                          "In case you forgot, you can see the text of your notice here:\n\n" .
-                          "%3\$s\n\n" .
-                          "You can see the list of %1\$s's favorites here:\n\n" .
-                          "%4\$s\n\n" .
-                          "Faithfully yours,\n" .
-                          "%5\$s\n"),
-                        $bestname,
-                        common_exact_date($notice->created),
-                        common_local_url('shownotice', array('notice' => $notice->id)),
-                        common_local_url('showfavorites', array('nickname' => $user->nickname)),
-                        common_config('site', 'name'));
-
-        mail_to_user($other, $subject, $body);
-    }
-
-}
\ No newline at end of file
+}
diff --git a/actions/twitapigroups.php b/actions/twitapigroups.php
index 71a0776f46..82604ebff2 100644
--- a/actions/twitapigroups.php
+++ b/actions/twitapigroups.php
@@ -51,6 +51,32 @@ require_once INSTALLDIR.'/lib/twitterapi.php';
  class TwitapigroupsAction extends TwitterapiAction
  {
 
+     function show($args, $apidata)
+     {
+         parent::handle($args);
+
+         common_debug("in groups api action");
+
+         $this->auth_user = $apidata['user'];
+         $group = $this->get_group($apidata['api_arg'], $apidata);
+
+         if (empty($group)) {
+             $this->clientError('Not Found', 404, $apidata['content-type']);
+             return;
+         }
+
+         switch($apidata['content-type']) {
+          case 'xml':
+             $this->show_single_xml_group($group);
+             break;
+          case 'json':
+             $this->show_single_json_group($group);
+             break;
+          default:
+             $this->clientError(_('API method not found!'), $code = 404);
+         }
+     }
+
      function timeline($args, $apidata)
      {
          parent::handle($args);
@@ -88,8 +114,7 @@ require_once INSTALLDIR.'/lib/twitterapi.php';
              $this->show_xml_timeline($notice);
              break;
           case 'rss':
-             $this->show_rss_timeline($notice, $title, $link,
-                 $subtitle, $suplink);
+             $this->show_rss_timeline($notice, $title, $link, $subtitle);
              break;
           case 'atom':
              if (isset($apidata['api_arg'])) {
@@ -101,7 +126,7 @@ require_once INSTALLDIR.'/lib/twitterapi.php';
                   'api/laconica/groups/timeline.atom';
              }
              $this->show_atom_timeline($notice, $title, $id, $link,
-                 $subtitle, $suplink, $selfuri);
+                 $subtitle, null, $selfuri);
              break;
           case 'json':
              $this->show_json_timeline($notice);
diff --git a/actions/twitapitags.php b/actions/twitapitags.php
index 5c85275302..e19e1b1ed6 100644
--- a/actions/twitapitags.php
+++ b/actions/twitapitags.php
@@ -88,8 +88,7 @@ require_once INSTALLDIR.'/lib/twitterapi.php';
              $this->show_xml_timeline($notice);
              break;
           case 'rss':
-             $this->show_rss_timeline($notice, $title, $link,
-                 $subtitle, $suplink);
+             $this->show_rss_timeline($notice, $title, $link, $subtitle);
              break;
           case 'atom':
              if (isset($apidata['api_arg'])) {
@@ -101,7 +100,7 @@ require_once INSTALLDIR.'/lib/twitterapi.php';
                   'api/laconica/tags/timeline.atom';
              }
              $this->show_atom_timeline($notice, $title, $id, $link,
-                 $subtitle, $suplink, $selfuri);
+                 $subtitle, null, $selfuri);
              break;
           case 'json':
              $this->show_json_timeline($notice);
diff --git a/classes/Design.php b/classes/Design.php
index 0927fcda70..43544f1c9d 100644
--- a/classes/Design.php
+++ b/classes/Design.php
@@ -55,26 +55,38 @@ class Design extends Memcached_DataObject
 
     function showCSS($out)
     {
-        try {
+        $css = '';
 
-            $bgcolor = new WebColor($this->backgroundcolor);
-            $ccolor  = new WebColor($this->contentcolor);
-            $sbcolor = new WebColor($this->sidebarcolor);
-            $tcolor  = new WebColor($this->textcolor);
-            $lcolor  = new WebColor($this->linkcolor);
+        $bgcolor = Design::toWebColor($this->backgroundcolor);
 
-        } catch (WebColorException $e) {
-            // This shouldn't happen
-            common_log(LOG_ERR, "Unable to create color for design $id.",
-                __FILE__);
+        if (!empty($bgcolor)) {
+            $css .= 'body { background-color: #' . $bgcolor->hexValue() . ' }' . "\n";
         }
 
-        $css  = 'body { background-color: #' . $bgcolor->hexValue() . ' }' . "\n";
-        $css .= '#content, #site_nav_local_views .current a { background-color: #';
-        $css .= $ccolor->hexValue() . '} '."\n";
-        $css .= '#aside_primary { background-color: #'. $sbcolor->hexValue() . ' }' . "\n";
-        $css .= 'html body { color: #'. $tcolor->hexValue() . ' }'. "\n";
-        $css .= 'a { color: #' . $lcolor->hexValue() . ' }' . "\n";
+        $ccolor  = Design::toWebColor($this->contentcolor);
+
+        if (!empty($ccolor)) {
+            $css .= '#content, #site_nav_local_views .current a { background-color: #';
+            $css .= $ccolor->hexValue() . '} '."\n";
+        }
+
+        $sbcolor = Design::toWebColor($this->sidebarcolor);
+
+        if (!empty($sbcolor)) {
+            $css .= '#aside_primary { background-color: #'. $sbcolor->hexValue() . ' }' . "\n";
+        }
+
+        $tcolor  = Design::toWebColor($this->textcolor);
+
+        if (!empty($tcolor)) {
+            $css .= 'html body { color: #'. $tcolor->hexValue() . ' }'. "\n";
+        }
+
+        $lcolor  = Design::toWebColor($this->linkcolor);
+
+        if (!empty($lcolor)) {
+            $css .= 'a { color: #' . $lcolor->hexValue() . ' }' . "\n";
+        }
 
         if (!empty($this->backgroundimage) &&
             $this->disposition & BACKGROUND_ON) {
@@ -88,8 +100,25 @@ class Design extends Memcached_DataObject
                 '); ' . $repeat . ' background-attachment:fixed; }' . "\n";
         }
 
-        $out->element('style', array('type' => 'text/css'), $css);
+        if (0 != mb_strlen($css)) {
+            $out->element('style', array('type' => 'text/css'), $css);
+        }
+    }
 
+    static function toWebColor($color)
+    {
+        if (is_null($color)) {
+            return null;
+        }
+
+        try {
+            return new WebColor($color);
+        } catch (WebColorException $e) {
+            // This shouldn't happen
+            common_log(LOG_ERR, "Unable to create color for design $id.",
+                __FILE__);
+            return null;
+        }
     }
 
     static function filename($id, $extension, $extra=null)
@@ -152,4 +181,33 @@ class Design extends Memcached_DataObject
         }
     }
 
+    /**
+     * Return a design object based on the configured site design.
+     *
+     * @return Design a singleton design object for the site.
+     */
+
+    static function siteDesign()
+    {
+        static $siteDesign = null;
+
+        if (empty($siteDesign)) {
+
+            $siteDesign = new Design();
+
+            $attrs = array('backgroundcolor',
+                           'contentcolor',
+                           'sidebarcolor',
+                           'textcolor',
+                           'linkcolor',
+                           'backgroundimage',
+                           'disposition');
+
+            foreach ($attrs as $attr) {
+                $siteDesign->$attr = common_config('design', $attr);
+            }
+        }
+
+        return $siteDesign;
+    }
 }
diff --git a/classes/File.php b/classes/File.php
index 0c4fbf7e69..959301edae 100644
--- a/classes/File.php
+++ b/classes/File.php
@@ -93,7 +93,6 @@ class File extends Memcached_DataObject
         if (empty($file)) {
             $file_redir = File_redirection::staticGet('url', $given_url);
             if (empty($file_redir)) {
-                common_debug("processNew() '$given_url' not a known redirect.\n");
                 $redir_data = File_redirection::where($given_url);
                 $redir_url = $redir_data['url'];
                 if ($redir_url === $given_url) {
@@ -114,7 +113,9 @@ class File extends Memcached_DataObject
 
         if (empty($x)) {
             $x = File::staticGet($file_id);
-            if (empty($x)) die('Impossible!');
+            if (empty($x)) {
+                throw new ServerException("Robin thinks something is impossible.");
+            }
         }
 
         File_to_post::processNew($file_id, $notice_id);
diff --git a/classes/Notice.php b/classes/Notice.php
index 4e9aff4f57..9578d87b2b 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -116,15 +116,14 @@ class Notice extends Memcached_DataObject
         if (!$count) {
             return true;
         }
-        
+
         //turn each into their canonical tag
         //this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
         $hashtags = array();
         for($i=0; $i<count($match[1]); $i++) {
-             $hashtags[] = common_canonical_tag($match[1][$i]);
+            $hashtags[] = common_canonical_tag($match[1][$i]);
         }
 
- 
         /* Add them to the database */
         foreach(array_unique($hashtags) as $hashtag) {
             /* elide characters we don't want in the tag */
@@ -197,29 +196,30 @@ class Notice extends Memcached_DataObject
             $notice->is_local = $is_local;
         }
 
-		$notice->query('BEGIN');
-
-		$notice->reply_to = $reply_to;
         if (!empty($created)) {
             $notice->created = $created;
         } else {
             $notice->created = common_sql_now();
         }
+
 		$notice->content = $final;
 		$notice->rendered = common_render_content($final, $notice);
 		$notice->source = $source;
 		$notice->uri = $uri;
 
-        if (!empty($reply_to)) {
-            $reply_notice = Notice::staticGet('id', $reply_to);
-            if (!empty($reply_notice)) {
-                $notice->reply_to = $reply_to;
-                $notice->conversation = $reply_notice->conversation;
-            }
+		$notice->reply_to = self::getReplyTo($reply_to, $profile_id, $source, $final);
+
+        if (!empty($notice->reply_to)) {
+            $reply = Notice::staticGet('id', $notice->reply_to);
+            $notice->conversation = $reply->conversation;
         }
 
         if (Event::handle('StartNoticeSave', array(&$notice))) {
 
+            // XXX: some of these functions write to the DB
+
+            $notice->query('BEGIN');
+
             $id = $notice->insert();
 
             if (!$id) {
@@ -227,18 +227,33 @@ class Notice extends Memcached_DataObject
                 return _('Problem saving notice.');
             }
 
-            # Update the URI after the notice is in the database
-            if (!$uri) {
-                $orig = clone($notice);
-                $notice->uri = common_notice_uri($notice);
+            // Update ID-dependent columns: URI, conversation
 
+            $orig = clone($notice);
+
+            $changed = false;
+
+            if (empty($uri)) {
+                $notice->uri = common_notice_uri($notice);
+                $changed = true;
+            }
+
+            // If it's not part of a conversation, it's
+            // the beginning of a new conversation.
+
+            if (empty($notice->conversation)) {
+                $notice->conversation = $notice->id;
+                $changed = true;
+            }
+
+            if ($changed) {
                 if (!$notice->update($orig)) {
                     common_log_db_error($notice, 'UPDATE', __FILE__);
                     return _('Problem saving notice.');
                 }
             }
 
-            # XXX: do we need to change this for remote users?
+            // XXX: do we need to change this for remote users?
 
             $notice->saveReplies();
             $notice->saveTags();
@@ -246,8 +261,13 @@ class Notice extends Memcached_DataObject
             $notice->addToInboxes();
 
             $notice->saveUrls();
+
+            // FIXME: why do we have to re-render the content?
+            // Remove this if it's not necessary.
+
             $orig2 = clone($notice);
-    		$notice->rendered = common_render_content($final, $notice);
+
+            $notice->rendered = common_render_content($final, $notice);
             if (!$notice->update($orig2)) {
                 common_log_db_error($notice, 'UPDATE', __FILE__);
                 return _('Problem saving notice.');
@@ -304,9 +324,9 @@ class Notice extends Memcached_DataObject
         $notice->profile_id = $profile_id;
         $notice->content = $content;
         if (common_config('db','type') == 'pgsql')
-            $notice->whereAdd('extract(epoch from now() - created) < ' . common_config('site', 'dupelimit'));
+          $notice->whereAdd('extract(epoch from now() - created) < ' . common_config('site', 'dupelimit'));
         else
-            $notice->whereAdd('now() - created < ' . common_config('site', 'dupelimit'));
+          $notice->whereAdd('now() - created < ' . common_config('site', 'dupelimit'));
 
         $cnt = $notice->count();
         return ($cnt == 0);
@@ -920,14 +940,14 @@ class Notice extends Memcached_DataObject
     {
         $user = new User();
 
-	if(common_config('db','quote_identifiers'))
-	    $user_table = '"user"';
-	else $user_table = 'user';
+        if(common_config('db','quote_identifiers'))
+          $user_table = '"user"';
+        else $user_table = 'user';
 
         $qry =
           'SELECT id ' .
-	  'FROM '. $user_table .' JOIN subscription '.
-	  'ON '. $user_table .'.id = subscription.subscriber ' .
+          'FROM '. $user_table .' JOIN subscription '.
+          'ON '. $user_table .'.id = subscription.subscriber ' .
           'WHERE subscription.subscribed = %d ';
 
         $user->query(sprintf($qry, $this->profile_id));
@@ -1045,16 +1065,6 @@ class Notice extends Memcached_DataObject
             if (!$recipient) {
                 continue;
             }
-            if ($i == 0 && ($recipient->id != $sender->id) && !$this->reply_to) { // Don't save reply to self
-                $reply_for = $recipient;
-                $recipient_notice = $reply_for->getCurrentNotice();
-                if ($recipient_notice) {
-                    $orig = clone($this);
-                    $this->reply_to = $recipient_notice->id;
-                    $this->conversation = $recipient_notice->conversation;
-                    $this->update($orig);
-                }
-            }
             // Don't save replies from blocked profile to local user
             $recipient_user = User::staticGet('id', $recipient->id);
             if ($recipient_user && $recipient_user->hasBlocked($sender)) {
@@ -1101,14 +1111,6 @@ class Notice extends Memcached_DataObject
             }
         }
 
-        // If it's not a reply, make it the root of a new conversation
-
-        if (empty($this->conversation)) {
-            $orig = clone($this);
-            $this->conversation = $this->id;
-            $this->update($orig);
-        }
-
         foreach (array_keys($replied) as $recipient) {
             $user = User::staticGet('id', $recipient);
             if ($user) {
@@ -1280,4 +1282,76 @@ class Notice extends Memcached_DataObject
 
         return $ids;
     }
+
+    /**
+     * Determine which notice, if any, a new notice is in reply to.
+     *
+     * For conversation tracking, we try to see where this notice fits
+     * in the tree. Rough algorithm is:
+     *
+     * if (reply_to is set and valid) {
+     *     return reply_to;
+     * } else if ((source not API or Web) and (content starts with "T NAME" or "@name ")) {
+     *     return ID of last notice by initial @name in content;
+     * }
+     *
+     * Note that all @nickname instances will still be used to save "reply" records,
+     * so the notice shows up in the mentioned users' "replies" tab.
+     *
+     * @param integer $reply_to   ID passed in by Web or API
+     * @param integer $profile_id ID of author
+     * @param string  $source     Source tag, like 'web' or 'gwibber'
+     * @param string  $content    Final notice content
+     *
+     * @return integer ID of replied-to notice, or null for not a reply.
+     */
+
+    static function getReplyTo($reply_to, $profile_id, $source, $content)
+    {
+        static $lb = array('xmpp', 'mail', 'sms', 'omb');
+
+        // If $reply_to is specified, we check that it exists, and then
+        // return it if it does
+
+        if (!empty($reply_to)) {
+            $reply_notice = Notice::staticGet('id', $reply_to);
+            if (!empty($reply_notice)) {
+                return $reply_to;
+            }
+        }
+
+        // If it's not a "low bandwidth" source (one where you can't set
+        // a reply_to argument), we return. This is mostly web and API
+        // clients.
+
+        if (!in_array($source, $lb)) {
+            return null;
+        }
+
+        // Is there an initial @ or T?
+
+        if (preg_match('/^T ([A-Z0-9]{1,64}) /', $content, $match) ||
+            preg_match('/^@([a-z0-9]{1,64})\s+/', $content, $match)) {
+            $nickname = common_canonical_nickname($match[1]);
+        } else {
+            return null;
+        }
+
+        // Figure out who that is.
+
+        $sender = Profile::staticGet('id', $profile_id);
+        $recipient = common_relative_profile($sender, $nickname, common_sql_now());
+
+        if (empty($recipient)) {
+            return null;
+        }
+
+        // Get their last notice
+
+        $last = $recipient->getCurrentNotice();
+
+        if (!empty($last)) {
+            return $last->id;
+        }
+    }
 }
diff --git a/classes/Session.php b/classes/Session.php
index ac80279c5e..5ec509f5f9 100644
--- a/classes/Session.php
+++ b/classes/Session.php
@@ -108,11 +108,24 @@ class Session extends Memcached_DataObject
 
         $epoch = common_sql_date(time() - $maxlifetime);
 
+        $ids = array();
+
         $session = new Session();
         $session->whereAdd('modified < "'.$epoch.'"');
-        $result = $session->delete(DB_DATAOBJECT_WHEREADD_ONLY);
+        $session->selectAdd();
+        $session->selectAdd('id');
 
-        self::logdeb("garbage collection result = $result");
+        $session->find();
+
+        while ($session->fetch()) {
+            $ids[] = $session->id;
+        }
+
+        $session->free();
+
+        foreach ($ids as $id) {
+            self::destroy($id);
+        }
     }
 
     static function setSaveHandler()
diff --git a/config.php.sample b/config.php.sample
index 36e62f70f2..c27645ff87 100644
--- a/config.php.sample
+++ b/config.php.sample
@@ -18,14 +18,14 @@ $config['site']['server'] = 'localhost';
 $config['site']['path'] = 'laconica';
 // $config['site']['fancy'] = false;
 // $config['site']['theme'] = 'default';
-// Sets the site's default design values (match it with the values in the theme)
-// $config['site']['design']['backgroundcolor'] = '#F0F2F5';
-// $config['site']['design']['contentcolor'] = '#FFFFFF';
-// $config['site']['design']['sidebarcolor'] = '#CEE1E9';
-// $config['site']['design']['textcolor'] = '#000000';
-// $config['site']['design']['linkcolor'] = '#002E6E';
-// $config['site']['design']['backgroundimage'] = null;
-// $config['site']['design']['disposition'] = 1;
+// Sets the site's default design values
+// $config['design']['backgroundcolor'] = '#F0F2F5';
+// $config['design']['contentcolor'] = '#FFFFFF';
+// $config['design']['sidebarcolor'] = '#CEE1E9';
+// $config['design']['textcolor'] = '#000000';
+// $config['design']['linkcolor'] = '#002E6E';
+// $config['design']['backgroundimage'] = null;
+// $config['design']['disposition'] = 1;
 // To enable the built-in mobile style sheet, defaults to false.
 // $config['site']['mobile'] = true;
 // For contact email, defaults to $_SERVER["SERVER_ADMIN"]
diff --git a/db/074to080_pg.sql b/db/074to080_pg.sql
new file mode 100644
index 0000000000..0a7171ae56
--- /dev/null
+++ b/db/074to080_pg.sql
@@ -0,0 +1,108 @@
+BEGIN;
+create sequence design_seq;
+create table design (
+    id bigint default nextval('design_seq') /* comment 'design ID'*/,
+    backgroundcolor integer /* comment 'main background color'*/ ,
+    contentcolor integer /*comment 'content area background color'*/ ,
+    sidebarcolor integer /*comment 'sidebar background color'*/ ,
+    textcolor integer /*comment 'text color'*/ ,
+    linkcolor integer /*comment 'link color'*/,
+    backgroundimage varchar(255) /*comment 'background image, if any'*/,
+    disposition int default 1 /*comment 'bit 1 = hide background image, bit 2 = display background image, bit 4 = tile background image'*/,
+    primary key (id)
+);
+alter table "user"
+     add column design_id integer references design(id);
+alter table "user"
+     add column viewdesigns integer default 1;
+
+alter table notice add column
+     conversation integer references notice (id);
+
+create index notice_conversation_idx on notice(conversation);
+
+alter table foreign_user
+     alter column id TYPE bigint;
+     
+alter table foreign_user alter column id set not null;
+
+alter table foreign_link
+     alter column foreign_id TYPE bigint;
+
+alter table user_group
+      add column design_id integer;
+
+/*attachments and URLs stuff */
+create sequence file_seq;
+create table file (
+    id bigint default nextval('file_seq') primary key /* comment 'unique identifier' */,
+    url varchar(255) unique, 
+    mimetype varchar(50), 
+    size integer, 
+    title varchar(255), 
+    date integer, 
+    protected integer,
+    filename text /* comment 'if a local file, name of the file' */,
+    modified timestamp default CURRENT_TIMESTAMP /* comment 'date this record was modified'*/
+);
+
+create sequence file_oembed_seq;
+create table file_oembed (
+    file_id bigint default nextval('file_oembed_seq') primary key /* comment 'unique identifier' */,
+    version varchar(20),
+    type varchar(20),
+    provider varchar(50),
+    provider_url varchar(255),
+    width integer,
+    height integer,
+    html text,
+    title varchar(255),
+    author_name varchar(50), 
+    author_url varchar(255), 
+    url varchar(255) 
+);
+
+create sequence file_redirection_seq;
+create table file_redirection (
+    url varchar(255) primary key, 
+    file_id bigint, 
+    redirections integer, 
+    httpcode integer
+);
+
+create sequence file_thumbnail_seq;
+create table file_thumbnail (
+    file_id bigint primary key, 
+    url varchar(255) unique, 
+    width integer, 
+    height integer 
+);
+create sequence file_to_post_seq;
+create table file_to_post (
+    file_id bigint, 
+    post_id bigint, 
+
+    primary key (file_id, post_id)
+);
+
+
+create table group_block (
+   group_id integer not null /* comment 'group profile is blocked from' */ references user_group (id),
+   blocked integer not null /* comment 'profile that is blocked' */references profile (id),
+   blocker integer not null /* comment 'user making the block'*/ references "user" (id),
+   modified timestamp /* comment 'date of blocking'*/ ,
+
+   primary key (group_id, blocked)
+);
+
+create table group_alias (
+
+   alias varchar(64) /* comment 'additional nickname for the group'*/ ,
+   group_id integer not null /* comment 'group profile is blocked from'*/ references user_group (id),
+   modified timestamp /* comment 'date alias was created'*/,
+   primary key (alias)
+
+);
+create index group_alias_group_id_idx on group_alias (group_id);
+
+COMMIT;
\ No newline at end of file
diff --git a/index.php b/index.php
index 69c0bc1b23..a73983b595 100644
--- a/index.php
+++ b/index.php
@@ -108,7 +108,7 @@ function checkMirror($action_obj)
 function main()
 {
     // quick check for fancy URL auto-detection support in installer.
-    if (isset($_SERVER['REDIRECT_URL']) && ((dirname($_SERVER['REQUEST_URI']) . '/check-fancy') === $_SERVER['REDIRECT_URL'])) {
+    if (isset($_SERVER['REDIRECT_URL']) && (preg_replace("/^\/$/","",(dirname($_SERVER['REQUEST_URI']))) . '/check-fancy') === $_SERVER['REDIRECT_URL']) {
         die("Fancy URL support detection succeeded. We suggest you enable this to get fancy (pretty) URLs.");
     }
     global $user, $action;
diff --git a/install.php b/install.php
index 901e502f1a..c222afa7b5 100644
--- a/install.php
+++ b/install.php
@@ -77,7 +77,7 @@ function checkPrereqs()
 		if (!is_writable($fileFullPath)) {
     	     ?><p class="error">Cannot write <?php echo $fileSubdir; ?> directory: <code><?php echo $fileFullPath; ?></code></p>
 		       <p>On your server, try this command: <code>chmod a+w <?php echo $fileFullPath; ?></code></p>
-    	     <?
+	     <?php
 		     $pass = false;
 		}
 	}
@@ -219,9 +219,9 @@ function handlePost()
     }
     
     switch($dbtype) {
-      case 'mysql':    mysql_db_installer($host, $database, $username, $password, $sitename);
+      case 'mysql':    mysql_db_installer($host, $database, $username, $password, $sitename, $fancy);
       break;
-      case 'pgsql':    pgsql_db_installer($host, $database, $username, $password, $sitename);
+      case 'pgsql':    pgsql_db_installer($host, $database, $username, $password, $sitename, $fancy);
       break;
       default:
     }
@@ -232,7 +232,7 @@ function handlePost()
 <?php
 }
 
-function pgsql_db_installer($host, $database, $username, $password, $sitename) {
+function pgsql_db_installer($host, $database, $username, $password, $sitename, $fancy) {
   $connstring = "dbname=$database host=$host user=$username";
 
   //No password would mean trust authentication used.
@@ -298,7 +298,7 @@ function pgsql_db_installer($host, $database, $username, $password, $sitename) {
       
 }
 
-function mysql_db_installer($host, $database, $username, $password, $sitename) {
+function mysql_db_installer($host, $database, $username, $password, $sitename, $fancy) {
   updateStatus("Starting installation...");
   updateStatus("Checking database...");
 
diff --git a/js/userdesign.go.js b/js/userdesign.go.js
index dda86294ed..70dd9c7de7 100644
--- a/js/userdesign.go.js
+++ b/js/userdesign.go.js
@@ -7,6 +7,35 @@
  * @link      http://laconi.ca/
  */
 $(document).ready(function() {
+    function InitColors(i, E) {
+        switch (parseInt(E.id.slice(-1))) {
+            case 1: default:
+                $(E).val(rgb2hex($('body').css('background-color')));
+                break;
+            case 2:
+                $(E).val(rgb2hex($('#content').css('background-color')));
+                break;
+            case 3:
+                $(E).val(rgb2hex($('#aside_primary').css('background-color')));
+                break;
+            case 4:
+                $(E).val(rgb2hex($('html body').css('color')));
+                break;
+            case 5:
+                $(E).val(rgb2hex($('a').css('color')));
+                break;
+        }
+    }
+
+    function rgb2hex(rgb) {
+        rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
+        function hex(x) {
+            hexDigits = new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F");
+            return isNaN(x) ? "00" : hexDigits[(x - x % 16) / 16] + hexDigits[x % 16];
+        }
+        return "#" + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
+    }
+
     function UpdateColors(S) {
         C = $(S).val();
         switch (parseInt(S.id.slice(-1))) {
@@ -55,7 +84,7 @@ $(document).ready(function() {
 
         f = $.farbtastic('#color-picker', SynchColors);
         swatches = $('#settings_design_color .swatch');
-
+        swatches.each(InitColors);
         swatches
             .each(SynchColors)
             .blur(function() {
diff --git a/lib/action.php b/lib/action.php
index 95ee10c642..a5244371a5 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -191,6 +191,7 @@ class Action extends HTMLOutputter // lawsuit
     function showStylesheets()
     {
         if (Event::handle('StartShowStyles', array($this))) {
+
             if (Event::handle('StartShowLaconicaStyles', array($this))) {
                 $this->element('link', array('rel' => 'stylesheet',
                                              'type' => 'text/css',
@@ -209,6 +210,7 @@ class Action extends HTMLOutputter // lawsuit
                                              'media' => 'print'));
                 Event::handle('EndShowLaconicaStyles', array($this));
             }
+
             if (Event::handle('StartShowUAStyles', array($this))) {
                 $this->comment('[if IE]><link rel="stylesheet" type="text/css" '.
                                'href="'.theme_path('css/ie.css', 'base').'?version='.LACONICA_VERSION.'" /><![endif]');
@@ -223,6 +225,21 @@ class Action extends HTMLOutputter // lawsuit
                                'href="'.theme_path('css/ie.css', null).'?version='.LACONICA_VERSION.'" /><![endif]');
                 Event::handle('EndShowUAStyles', array($this));
             }
+
+            if (Event::handle('StartShowDesign', array($this))) {
+
+                $user = common_current_user();
+
+                if (empty($user) || $user->viewdesigns) {
+                    $design = $this->getDesign();
+
+                    if (!empty($design)) {
+                        $design->showCSS($this);
+                    }
+                }
+
+                Event::handle('EndShowDesign', array($this));
+            }
             Event::handle('EndShowStyles', array($this));
         }
     }
@@ -1074,4 +1091,15 @@ class Action extends HTMLOutputter // lawsuit
     {
         return null;
     }
+
+    /**
+     * A design for this action
+     *
+     * @return Design a design object to use
+     */
+
+    function getDesign()
+    {
+        return Design::siteDesign();
+    }
 }
diff --git a/lib/common.php b/lib/common.php
index 9d7954fa98..b3d3018620 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -94,14 +94,6 @@ $config =
         array('name' => 'Just another Laconica microblog',
               'server' => $_server,
               'theme' => 'default',
-              'design' =>
-              array('backgroundcolor' => '#CEE1E9',
-                    'contentcolor' => '#FFFFFF',
-                    'sidebarcolor' => '#C8D1D5',
-                    'textcolor' => '#000000',
-                    'linkcolor' => '#002E6E',
-                    'backgroundimage' => null,
-                    'disposition' => 1),
               'path' => $_path,
               'logfile' => null,
               'logo' => null,
@@ -261,6 +253,14 @@ $config =
         'sessions' =>
         array('handle' => false, // whether to handle sessions ourselves
               'debug' => false), // debugging output for sessions
+        'design' =>
+        array('backgroundcolor' => null, // null -> 'use theme default'
+              'contentcolor' => null,
+              'sidebarcolor' => null,
+              'textcolor' => null,
+              'linkcolor' => null,
+              'backgroundimage' => null,
+              'disposition' => null),
         );
 
 $config['db'] = &PEAR::getStaticProperty('DB_DataObject','options');
@@ -277,6 +277,10 @@ $config['db'] =
         'quote_identifiers' => false,
         'type' => 'mysql' );
 
+// Backward compatibility
+
+$config['site']['design'] =& $config['design'];
+
 if (function_exists('date_default_timezone_set')) {
     /* Work internally in UTC */
     date_default_timezone_set('UTC');
diff --git a/lib/currentuserdesignaction.php b/lib/currentuserdesignaction.php
index 4c7e15a8b7..52516b624a 100644
--- a/lib/currentuserdesignaction.php
+++ b/lib/currentuserdesignaction.php
@@ -47,33 +47,10 @@ if (!defined('LACONICA')) {
 
 class CurrentUserDesignAction extends Action
 {
-
-    /**
-      * Show the user's design stylesheet
-      *
-      * @return nothing
-      */
-
-     function showStylesheets()
-     {
-         parent::showStylesheets();
-
-         $user = common_current_user();
-
-         if (empty($user) || $user->viewdesigns) {
-             $design = $this->getDesign();
-
-             if (!empty($design)) {
-                 $design->showCSS($this);
-             }
-         }
-     }
-
     /**
      * A design for this action
      *
-     * if the user attribute has been set, returns that user's
-     * design.
+     * Returns the design preferences for the current user.
      *
      * @return Design a design object to use
      */
@@ -82,11 +59,15 @@ class CurrentUserDesignAction extends Action
     {
         $cur = common_current_user();
 
-        if (empty($cur)) {
-            return null;
+        if (!empty($cur)) {
+
+            $design = $cur->getDesign();
+
+            if (!empty($design)) {
+                return $design;
+            }
         }
 
-        return $cur->getDesign();
+        return parent::getDesign();
     }
-
 }
diff --git a/lib/designsettings.php b/lib/designsettings.php
index fbffdb208f..1b0e621669 100644
--- a/lib/designsettings.php
+++ b/lib/designsettings.php
@@ -182,7 +182,7 @@ class DesignSettingsAction extends AccountSettingsAction
                                           'class' => 'swatch',
                                           'maxlength' => '7',
                                           'size' => '7',
-                                          'value' => '#' . $bgcolor->hexValue()));
+                                          'value' => ''));
             $this->elementEnd('li');
 
             $ccolor = new WebColor($design->contentcolor);
@@ -195,7 +195,7 @@ class DesignSettingsAction extends AccountSettingsAction
                                           'class' => 'swatch',
                                           'maxlength' => '7',
                                           'size' => '7',
-                                          'value' => '#' . $ccolor->hexValue()));
+                                          'value' => ''));
             $this->elementEnd('li');
 
             $sbcolor = new WebColor($design->sidebarcolor);
@@ -208,7 +208,7 @@ class DesignSettingsAction extends AccountSettingsAction
                                         'class' => 'swatch',
                                         'maxlength' => '7',
                                         'size' => '7',
-                                        'value' => '#' . $sbcolor->hexValue()));
+                                        'value' => ''));
             $this->elementEnd('li');
 
             $tcolor = new WebColor($design->textcolor);
@@ -221,7 +221,7 @@ class DesignSettingsAction extends AccountSettingsAction
                                         'class' => 'swatch',
                                         'maxlength' => '7',
                                         'size' => '7',
-                                        'value' => '#' . $tcolor->hexValue()));
+                                        'value' => ''));
             $this->elementEnd('li');
 
             $lcolor = new WebColor($design->linkcolor);
@@ -234,7 +234,7 @@ class DesignSettingsAction extends AccountSettingsAction
                                          'class' => 'swatch',
                                          'maxlength' => '7',
                                          'size' => '7',
-                                         'value' => '#' . $lcolor->hexValue()));
+                                         'value' => ''));
             $this->elementEnd('li');
 
         } catch (WebColorException $e) {
diff --git a/lib/groupdesignaction.php b/lib/groupdesignaction.php
index 58777c283a..c7cdff1fe9 100644
--- a/lib/groupdesignaction.php
+++ b/lib/groupdesignaction.php
@@ -49,26 +49,6 @@ class GroupDesignAction extends Action {
     /** The group in question */
     var $group = null;
 
-    /**
-      * Show the groups's design stylesheet
-      *
-      * @return nothing
-      */
-     function showStylesheets()
-     {
-         parent::showStylesheets();
-
-         $user = common_current_user();
-
-         if (empty($user) || $user->viewdesigns) {
-             $design = $this->getDesign();
-
-             if (!empty($design)) {
-                 $design->showCSS($this);
-             }
-         }
-     }
-
     /**
      * A design for this action
      *
@@ -80,10 +60,12 @@ class GroupDesignAction extends Action {
 
     function getDesign()
     {
-        if (empty($this->group)) {
-            return null;
+        if (!empty($this->group)) {
+            $design = $this->group->getDesign();
+            if (!empty($design)) {
+                return $design;
+            }
         }
-
-        return $this->group->getDesign();
+        return parent::getDesign();
     }
 }
diff --git a/lib/ownerdesignaction.php b/lib/ownerdesignaction.php
index 785b8a93d3..b42df926d0 100644
--- a/lib/ownerdesignaction.php
+++ b/lib/ownerdesignaction.php
@@ -52,26 +52,6 @@ class OwnerDesignAction extends Action {
 
     var $user = null;
 
-    /**
-      * Show the owner's design stylesheet
-      *
-      * @return nothing
-      */
-     function showStylesheets()
-     {
-         parent::showStylesheets();
-
-         $user = common_current_user();
-
-         if (empty($user) || $user->viewdesigns) {
-             $design = $this->getDesign();
-
-             if (!empty($design)) {
-                 $design->showCSS($this);
-             }
-         }
-     }
-
     /**
      * A design for this action
      *
@@ -83,10 +63,15 @@ class OwnerDesignAction extends Action {
 
     function getDesign()
     {
-        if (empty($this->user)) {
-            return null;
+        if (!empty($this->user)) {
+
+            $design = $this->user->getDesign();
+
+            if (!empty($design)) {
+                return $design;
+            }
         }
 
-        return $this->user->getDesign();
+        return parent::getDesign();
     }
 }
diff --git a/lib/router.php b/lib/router.php
index 8e48364979..19839b9972 100644
--- a/lib/router.php
+++ b/lib/router.php
@@ -113,6 +113,16 @@ class Router
 
         $m->connect('main/tagother/:id', array('action' => 'tagother'));
 
+        $m->connect('main/oembed.xml',
+                    array('action' => 'api',
+                          'method' => 'oembed.xml',
+                          'apiaction' => 'oembed'));
+
+        $m->connect('main/oembed.json',
+                    array('action' => 'api',
+                          'method' => 'oembed.json',
+                          'apiaction' => 'oembed'));
+
         // these take a code
 
         foreach (array('register', 'confirmaddress', 'recoverpassword') as $c) {
@@ -129,11 +139,6 @@ class Router
             $m->connect('index.php?action=' . $action, array('action' => $action));
         }
 
-        $m->connect('main/:method',
-                    array('action' => 'api',
-                          'method' => 'oembed(.xml|.json)?',
-                          'apiaction' => 'oembed'));
-
         // settings
 
         foreach (array('profile', 'avatar', 'password', 'openid', 'im',
diff --git a/lib/twitterapi.php b/lib/twitterapi.php
index b2602e77ca..4115d9dcb4 100644
--- a/lib/twitterapi.php
+++ b/lib/twitterapi.php
@@ -213,6 +213,26 @@ class TwitterapiAction extends Action
         return $twitter_status;
     }
 
+    function twitter_group_array($group)
+    {
+        $twitter_group=array();
+        $twitter_group['id']=$group->id;
+        $twitter_group['url']=$group->permalink();
+        $twitter_group['nickname']=$group->nickname;
+        $twitter_group['fullname']=$group->fullname;
+        $twitter_group['homepage_url']=$group->homepage_url;
+        $twitter_group['original_logo']=$group->original_logo;
+        $twitter_group['homepage_logo']=$group->homepage_logo;
+        $twitter_group['stream_logo']=$group->stream_logo;
+        $twitter_group['mini_logo']=$group->mini_logo;
+        $twitter_group['homepage']=$group->homepage;
+        $twitter_group['description']=$group->description;
+        $twitter_group['location']=$group->location;
+        $twitter_group['created']=$this->date_twitter($group->created);
+        $twitter_group['modified']=$this->date_twitter($group->modified);
+        return $twitter_group;
+    }
+
     function twitter_rss_entry_array($notice)
     {
         $profile = $notice->getProfile();
@@ -413,6 +433,15 @@ class TwitterapiAction extends Action
         $this->elementEnd('status');
     }
 
+    function show_twitter_xml_group($twitter_group)
+    {
+        $this->elementStart('group');
+        foreach($twitter_group as $element => $value) {
+            $this->element($element, null, $value);
+        }
+        $this->elementEnd('group');
+    }
+
     function show_twitter_xml_user($twitter_user, $role='user')
     {
         $this->elementStart($role);
@@ -450,12 +479,12 @@ class TwitterapiAction extends Action
         $this->element('link', null, $entry['link']);
 
         # RSS only supports 1 enclosure per item
-        if($entry['enclosures']){
+        if(array_key_exists('enclosures', $entry) and !empty($entry['enclosures'])){
             $enclosure = $entry['enclosures'][0];
             $this->element('enclosure', array('url'=>$enclosure['url'],'type'=>$enclosure['mimetype'],'length'=>$enclosure['size']), null);
         }
         
-        if($entry['tags']){
+        if(array_key_exists('tags', $entry)){
             foreach($entry['tags'] as $tag){
                 $this->element('category', null,$tag);
             }
@@ -639,6 +668,22 @@ class TwitterapiAction extends Action
         $this->end_document('json');
     }
 
+    function show_single_json_group($group)
+    {
+        $this->init_document('json');
+        $twitter_group = $this->twitter_group_array($group);
+        $this->show_json_objects($twitter_group);
+        $this->end_document('json');
+    }
+
+    function show_single_xml_group($group)
+    {
+        $this->init_document('xml');
+        $twitter_group = $this->twitter_group_array($group);
+        $this->show_twitter_xml_group($twitter_group);
+        $this->end_document('xml');
+    }
+
     // Anyone know what date format this is?
     // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
     function date_twitter($dt)
diff --git a/lib/util.php b/lib/util.php
index d784bb7933..c8e318efec 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -140,7 +140,7 @@ function common_have_session()
 function common_ensure_session()
 {
     $c = null;
-    if (array_key_exists(session_name, $_COOKIE)) {
+    if (array_key_exists(session_name(), $_COOKIE)) {
         $c = $_COOKIE[session_name()];
     }
     if (!common_have_session()) {
@@ -1410,20 +1410,21 @@ function common_client_ip()
         return null;
     }
 
-    if ($_SERVER['HTTP_X_FORWARDED_FOR']) {
-        if ($_SERVER['HTTP_CLIENT_IP']) {
+    if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
+        if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
             $proxy = $_SERVER['HTTP_CLIENT_IP'];
         } else {
             $proxy = $_SERVER['REMOTE_ADDR'];
         }
         $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
     } else {
-        if ($_SERVER['HTTP_CLIENT_IP']) {
+        $proxy = null;
+        if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
             $ip = $_SERVER['HTTP_CLIENT_IP'];
         } else {
             $ip = $_SERVER['REMOTE_ADDR'];
         }
     }
 
-    return array($ip, $proxy);
+    return array($proxy, $ip);
 }
diff --git a/plugins/FBConnect/FBConnectPlugin.php b/plugins/FBConnect/FBConnectPlugin.php
index 2e32ad198f..6788793b25 100644
--- a/plugins/FBConnect/FBConnectPlugin.php
+++ b/plugins/FBConnect/FBConnectPlugin.php
@@ -122,9 +122,7 @@ class FBConnectPlugin extends Plugin
                                     FB_RequireFeatures(
                                         ["XFBML"],
                                             function() {
-                                                FB.init("%s", "../xd_receiver.html",
-                                                 {"doNotUseCachedConnectState":true });
-
+                                                FB.init("%s", "../xd_receiver.html");
                                             }
                                         ); }
 
@@ -222,7 +220,7 @@ class FBConnectPlugin extends Plugin
                 try {
 
                     $facebook = getFacebook();
-                    $fbuid    = $facebook->api_client->users_getLoggedInUser();
+                    $fbuid    = $facebook->get_loggedin_user();
 
                 } catch (Exception $e) {
                     common_log(LOG_WARNING,
diff --git a/plugins/recaptcha/LICENSE b/plugins/recaptcha/LICENSE
new file mode 100644
index 0000000000..b612f71f01
--- /dev/null
+++ b/plugins/recaptcha/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net
+AUTHORS:
+  Mike Crawford
+  Ben Maurer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/plugins/recaptcha/README b/plugins/recaptcha/README
new file mode 100644
index 0000000000..3100f697e4
--- /dev/null
+++ b/plugins/recaptcha/README
@@ -0,0 +1,23 @@
+Laconica reCAPTCHA plugin 0.2 8/3/09
+====================================
+Adds a captcha to your registration page to reduce automated spam bots registering.
+
+Use:
+1. Get an API key from http://recaptcha.net
+
+2. In config.php add:
+include_once('plugins/recaptcha.php');
+$captcha = new recaptcha(publickey, privatekey, showErrors);
+
+Changelog
+=========
+0.1 initial release
+0.2 Work around for webkit browsers
+
+reCAPTCHA README
+================
+
+The reCAPTCHA PHP Lirary helps you use the reCAPTCHA API. Documentation
+for this library can be found at
+
+	http://recaptcha.net/plugins/php
diff --git a/plugins/recaptcha/recaptcha.php b/plugins/recaptcha/recaptcha.php
new file mode 100644
index 0000000000..5ef8352d18
--- /dev/null
+++ b/plugins/recaptcha/recaptcha.php
@@ -0,0 +1,106 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Plugin to show reCaptcha when a user registers 
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Plugin
+ * @package   Laconica
+ * @author    Eric Helgeson <erichelgeson@gmail.com>
+ * @copyright 2009
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+define('RECAPTCHA', '0.2');
+
+class recaptcha extends Plugin
+{
+    var $private_key;
+    var $public_key;
+    var $display_errors;
+    var $failed;
+    var $ssl;
+
+    function __construct($public_key, $private_key, $display_errors=false)
+    {
+        parent::__construct();
+        require_once(INSTALLDIR.'/plugins/recaptcha/recaptchalib.php');
+        $this->public_key = $public_key;
+        $this->private_key = $private_key; 
+        $this->display_errors = $display_errors;
+    }
+
+    function checkssl(){
+        if(common_config('site', 'ssl') === 'sometimes' || common_config('site', 'ssl') === 'always') {
+            return true;
+        }
+        return false;
+    }
+
+    function onStartShowHTML($action)
+    {
+        //XXX: Horrible hack to make Safari, FF2, and Chrome work with
+        //reChapcha. reChapcha beaks xhtml strict
+        header('Content-Type: text/html');
+
+        $action->extraHeaders();
+
+        $action->startXML('html',
+            '-//W3C//DTD XHTML 1.0 Strict//EN',
+            'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
+
+        $action->raw('<style type="text/css">#recaptcha_area{float:left;}</style>');
+        return false;
+    }
+
+    function onEndRegistrationFormData($action)
+    {
+        $action->elementStart('li');
+        $action->raw('<label for="recaptcha_area">Captcha</label>');
+        if($this->checkssl() === true){
+            $action->raw(recaptcha_get_html($this->public_key), null, true);
+        } else { 
+            $action->raw(recaptcha_get_html($this->public_key));
+        }
+        $action->elementEnd('li');
+        return true;
+    }
+
+    function onStartRegistrationTry($action)
+    {
+        $resp = recaptcha_check_answer ($this->private_key,
+                                        $_SERVER["REMOTE_ADDR"],
+                                        $action->trimmed('recaptcha_challenge_field'),
+                                        $action->trimmed('recaptcha_response_field'));
+
+        if (!$resp->is_valid) 
+        {
+            if($this->display_errors)
+            { 
+                $action->showForm ("(reCAPTCHA said: " . $resp->error . ")");
+            }
+            $action->showForm("Captcha does not match!");
+            return false;
+        }
+    }
+}
diff --git a/plugins/recaptcha/recaptchalib.php b/plugins/recaptcha/recaptchalib.php
new file mode 100644
index 0000000000..897c50981a
--- /dev/null
+++ b/plugins/recaptcha/recaptchalib.php
@@ -0,0 +1,277 @@
+<?php
+/*
+ * This is a PHP library that handles calling reCAPTCHA.
+ *    - Documentation and latest version
+ *          http://recaptcha.net/plugins/php/
+ *    - Get a reCAPTCHA API Key
+ *          http://recaptcha.net/api/getkey
+ *    - Discussion group
+ *          http://groups.google.com/group/recaptcha
+ *
+ * Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net
+ * AUTHORS:
+ *   Mike Crawford
+ *   Ben Maurer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * The reCAPTCHA server URL's
+ */
+define("RECAPTCHA_API_SERVER", "http://api.recaptcha.net");
+define("RECAPTCHA_API_SECURE_SERVER", "https://api-secure.recaptcha.net");
+define("RECAPTCHA_VERIFY_SERVER", "api-verify.recaptcha.net");
+
+/**
+ * Encodes the given data into a query string format
+ * @param $data - array of string elements to be encoded
+ * @return string - encoded request
+ */
+function _recaptcha_qsencode ($data) {
+        $req = "";
+        foreach ( $data as $key => $value )
+                $req .= $key . '=' . urlencode( stripslashes($value) ) . '&';
+
+        // Cut the last '&'
+        $req=substr($req,0,strlen($req)-1);
+        return $req;
+}
+
+
+
+/**
+ * Submits an HTTP POST to a reCAPTCHA server
+ * @param string $host
+ * @param string $path
+ * @param array $data
+ * @param int port
+ * @return array response
+ */
+function _recaptcha_http_post($host, $path, $data, $port = 80) {
+
+        $req = _recaptcha_qsencode ($data);
+
+        $http_request  = "POST $path HTTP/1.0\r\n";
+        $http_request .= "Host: $host\r\n";
+        $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";
+        $http_request .= "Content-Length: " . strlen($req) . "\r\n";
+        $http_request .= "User-Agent: reCAPTCHA/PHP\r\n";
+        $http_request .= "\r\n";
+        $http_request .= $req;
+
+        $response = '';
+        if( false == ( $fs = @fsockopen($host, $port, $errno, $errstr, 10) ) ) {
+                die ('Could not open socket');
+        }
+
+        fwrite($fs, $http_request);
+
+        while ( !feof($fs) )
+                $response .= fgets($fs, 1160); // One TCP-IP packet
+        fclose($fs);
+        $response = explode("\r\n\r\n", $response, 2);
+
+        return $response;
+}
+
+
+
+/**
+ * Gets the challenge HTML (javascript and non-javascript version).
+ * This is called from the browser, and the resulting reCAPTCHA HTML widget
+ * is embedded within the HTML form it was called from.
+ * @param string $pubkey A public key for reCAPTCHA
+ * @param string $error The error given by reCAPTCHA (optional, default is null)
+ * @param boolean $use_ssl Should the request be made over ssl? (optional, default is false)
+
+ * @return string - The HTML to be embedded in the user's form.
+ */
+function recaptcha_get_html ($pubkey, $error = null, $use_ssl = false)
+{
+	if ($pubkey == null || $pubkey == '') {
+		die ("To use reCAPTCHA you must get an API key from <a href='http://recaptcha.net/api/getkey'>http://recaptcha.net/api/getkey</a>");
+	}
+	
+	if ($use_ssl) {
+                $server = RECAPTCHA_API_SECURE_SERVER;
+        } else {
+                $server = RECAPTCHA_API_SERVER;
+        }
+
+        $errorpart = "";
+        if ($error) {
+           $errorpart = "&amp;error=" . $error;
+        }
+        return '<script type="text/javascript" src="'. $server . '/challenge?k=' . $pubkey . $errorpart . '"></script>
+
+	<noscript>
+  		<iframe src="'. $server . '/noscript?k=' . $pubkey . $errorpart . '" height="300" width="500" frameborder="0"></iframe><br/>
+  		<textarea name="recaptcha_challenge_field" rows="3" cols="40"></textarea>
+  		<input type="hidden" name="recaptcha_response_field" value="manual_challenge"/>
+	</noscript>';
+}
+
+
+
+
+/**
+ * A ReCaptchaResponse is returned from recaptcha_check_answer()
+ */
+class ReCaptchaResponse {
+        var $is_valid;
+        var $error;
+}
+
+
+/**
+  * Calls an HTTP POST function to verify if the user's guess was correct
+  * @param string $privkey
+  * @param string $remoteip
+  * @param string $challenge
+  * @param string $response
+  * @param array $extra_params an array of extra variables to post to the server
+  * @return ReCaptchaResponse
+  */
+function recaptcha_check_answer ($privkey, $remoteip, $challenge, $response, $extra_params = array())
+{
+	if ($privkey == null || $privkey == '') {
+		die ("To use reCAPTCHA you must get an API key from <a href='http://recaptcha.net/api/getkey'>http://recaptcha.net/api/getkey</a>");
+	}
+
+	if ($remoteip == null || $remoteip == '') {
+		die ("For security reasons, you must pass the remote ip to reCAPTCHA");
+	}
+
+	
+	
+        //discard spam submissions
+        if ($challenge == null || strlen($challenge) == 0 || $response == null || strlen($response) == 0) {
+                $recaptcha_response = new ReCaptchaResponse();
+                $recaptcha_response->is_valid = false;
+                $recaptcha_response->error = 'incorrect-captcha-sol';
+                return $recaptcha_response;
+        }
+
+        $response = _recaptcha_http_post (RECAPTCHA_VERIFY_SERVER, "/verify",
+                                          array (
+                                                 'privatekey' => $privkey,
+                                                 'remoteip' => $remoteip,
+                                                 'challenge' => $challenge,
+                                                 'response' => $response
+                                                 ) + $extra_params
+                                          );
+
+        $answers = explode ("\n", $response [1]);
+        $recaptcha_response = new ReCaptchaResponse();
+
+        if (trim ($answers [0]) == 'true') {
+                $recaptcha_response->is_valid = true;
+        }
+        else {
+                $recaptcha_response->is_valid = false;
+                $recaptcha_response->error = $answers [1];
+        }
+        return $recaptcha_response;
+
+}
+
+/**
+ * gets a URL where the user can sign up for reCAPTCHA. If your application
+ * has a configuration page where you enter a key, you should provide a link
+ * using this function.
+ * @param string $domain The domain where the page is hosted
+ * @param string $appname The name of your application
+ */
+function recaptcha_get_signup_url ($domain = null, $appname = null) {
+	return "http://recaptcha.net/api/getkey?" .  _recaptcha_qsencode (array ('domain' => $domain, 'app' => $appname));
+}
+
+function _recaptcha_aes_pad($val) {
+	$block_size = 16;
+	$numpad = $block_size - (strlen ($val) % $block_size);
+	return str_pad($val, strlen ($val) + $numpad, chr($numpad));
+}
+
+/* Mailhide related code */
+
+function _recaptcha_aes_encrypt($val,$ky) {
+	if (! function_exists ("mcrypt_encrypt")) {
+		die ("To use reCAPTCHA Mailhide, you need to have the mcrypt php module installed.");
+	}
+	$mode=MCRYPT_MODE_CBC;   
+	$enc=MCRYPT_RIJNDAEL_128;
+	$val=_recaptcha_aes_pad($val);
+	return mcrypt_encrypt($enc, $ky, $val, $mode, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");
+}
+
+
+function _recaptcha_mailhide_urlbase64 ($x) {
+	return strtr(base64_encode ($x), '+/', '-_');
+}
+
+/* gets the reCAPTCHA Mailhide url for a given email, public key and private key */
+function recaptcha_mailhide_url($pubkey, $privkey, $email) {
+	if ($pubkey == '' || $pubkey == null || $privkey == "" || $privkey == null) {
+		die ("To use reCAPTCHA Mailhide, you have to sign up for a public and private key, " .
+		     "you can do so at <a href='http://mailhide.recaptcha.net/apikey'>http://mailhide.recaptcha.net/apikey</a>");
+	}
+	
+
+	$ky = pack('H*', $privkey);
+	$cryptmail = _recaptcha_aes_encrypt ($email, $ky);
+	
+	return "http://mailhide.recaptcha.net/d?k=" . $pubkey . "&c=" . _recaptcha_mailhide_urlbase64 ($cryptmail);
+}
+
+/**
+ * gets the parts of the email to expose to the user.
+ * eg, given johndoe@example,com return ["john", "example.com"].
+ * the email is then displayed as john...@example.com
+ */
+function _recaptcha_mailhide_email_parts ($email) {
+	$arr = preg_split("/@/", $email );
+
+	if (strlen ($arr[0]) <= 4) {
+		$arr[0] = substr ($arr[0], 0, 1);
+	} else if (strlen ($arr[0]) <= 6) {
+		$arr[0] = substr ($arr[0], 0, 3);
+	} else {
+		$arr[0] = substr ($arr[0], 0, 4);
+	}
+	return $arr;
+}
+
+/**
+ * Gets html to display an email address given a public an private key.
+ * to get a key, go to:
+ *
+ * http://mailhide.recaptcha.net/apikey
+ */
+function recaptcha_mailhide_html($pubkey, $privkey, $email) {
+	$emailparts = _recaptcha_mailhide_email_parts ($email);
+	$url = recaptcha_mailhide_url ($pubkey, $privkey, $email);
+	
+	return htmlentities($emailparts[0]) . "<a href='" . htmlentities ($url) .
+		"' onclick=\"window.open('" . htmlentities ($url) . "', '', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=300'); return false;\" title=\"Reveal this e-mail address\">...</a>@" . htmlentities ($emailparts [1]);
+
+}
+
+
+?>
diff --git a/scripts/maildaemon.php b/scripts/maildaemon.php
index a4003b6b26..3ef4d06383 100755
--- a/scripts/maildaemon.php
+++ b/scripts/maildaemon.php
@@ -317,6 +317,9 @@ class MailerDaemon
         } else if ($parsed->ctype_primary == 'text'
             && $parsed->ctype_secondary=='plain') {
             $msg = $parsed->body;
+            if(strtolower($parsed->ctype_parameters['charset']) != "utf-8"){
+                $msg = utf8_encode($msg);
+            }
         }else if(!empty($parsed->body)){
             if(common_config('attachments', 'uploads')){
                 //only save attachments if uploads are enabled
diff --git a/scripts/sessiongc.php b/scripts/sessiongc.php
new file mode 100644
index 0000000000..314b641eb9
--- /dev/null
+++ b/scripts/sessiongc.php
@@ -0,0 +1,36 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, Control Yourself, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+
+$helptext = <<<END_OF_GC_HELP
+sessiongc.php
+
+Delete old sessions from the server
+
+END_OF_GC_HELP;
+
+require_once INSTALLDIR.'/scripts/commandline.inc';
+
+$maxlifetime = ini_get('session.gc_maxlifetime');
+
+print "Deleting sessions older than $maxlifetime seconds.\n";
+
+Session::gc($maxlifetime);