Merge commit 'upstream/0.7.x' into 0.7.x

30 files changed, 901 insertions, 351 deletions

diff --git a/.gitignore b/.gitignore
index f5a3e0212..f2e96d3eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ dataobject.ini
 *.bak
 *.orig
 *.rej
+.#*
diff --git a/EVENTS.txt b/EVENTS.txt
new file mode 100644
index 000000000..d9634325d
--- /dev/null
+++ b/EVENTS.txt
@@ -0,0 +1,41 @@
+InitializePlugin: a chance to initialize a plugin in a complete
+		  environment
+
+CleanupPlugin: a chance to cleanup a plugin at the end of a program
+
+StartPrimaryNav: Showing the primary nav menu
+- $action: the current action
+
+EndPrimaryNav: At the end of the primary nav menu
+- $action: the current action
+
+StartSecondaryNav: Showing the secondary nav menu
+- $action: the current action
+
+EndSecondaryNav: At the end of the secondary nav menu
+- $action: the current action
+
+StartShowScripts: Showing JavaScript links
+- $action: the current action
+
+EndShowScripts: End showing JavaScript links; good place to add custom
+		links like Google Analytics
+- $action: the current action
+
+StartShowJQueryScripts: Showing JQuery script links (use this to link to e.g. Google mirrors)
+- $action: the current action
+
+EndShowJQueryScripts: End showing JQuery script links
+- $action: the current action
+
+StartShowLaconicaScripts: Showing Laconica script links (use this to link to a CDN or something)
+- $action: the current action
+
+EndShowLaconicaScripts: End showing Laconica script links
+- $action: the current action
+
+StartShowSections: Start the list of sections in the sidebar
+- $action: the current action
+
+EndShowSections: End the list of sections in the sidebar
+- $action: the current action
diff --git a/actions/editgroup.php b/actions/editgroup.php
index 98ebcb87a..e7e79040a 100644
--- a/actions/editgroup.php
+++ b/actions/editgroup.php
@@ -191,13 +191,13 @@ class EditgroupAction extends Action
                                         array('http', 'https')))) {
             $this->showForm(_('Homepage is not a valid URL.'));
             return;
-        } else if (!is_null($fullname) && strlen($fullname) > 255) {
+        } else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
             $this->showForm(_('Full name is too long (max 255 chars).'));
             return;
-        } else if (!is_null($description) && strlen($description) > 140) {
+        } else if (!is_null($description) && mb_strlen($description) > 140) {
             $this->showForm(_('description is too long (max 140 chars).'));
             return;
-        } else if (!is_null($location) && strlen($location) > 255) {
+        } else if (!is_null($location) && mb_strlen($location) > 255) {
             $this->showForm(_('Location is too long (max 255 chars).'));
             return;
         }
diff --git a/actions/facebookinvite.php b/actions/facebookinvite.php
index 3c872f94b..1302064ad 100644
--- a/actions/facebookinvite.php
+++ b/actions/facebookinvite.php
@@ -71,13 +71,13 @@ class FacebookinviteAction extends FacebookAction
             common_config('site', 'name')));
         $this->element('p', null, _('Invitations have been sent to the following users:'));
 
-        $friend_ids = $_POST['ids']; // XXX: Hmm... is this the best way to acces the list?
+        $friend_ids = $_POST['ids']; // XXX: Hmm... is this the best way to access the list?
 
         $this->elementStart('ul', array('id' => 'facebook-friends'));
 
         foreach ($friend_ids as $friend) {
             $this->elementStart('li');
-            $this->element('fb:profile-pic', array('uid' => $friend));
+            $this->element('fb:profile-pic', array('uid' => $friend, 'size' => 'square'));
             $this->element('fb:name', array('uid' => $friend,
                                             'capitalize' => 'true'));
             $this->elementEnd('li');
@@ -92,6 +92,12 @@ class FacebookinviteAction extends FacebookAction
 
         // Get a list of users who are already using the app for exclusion
         $exclude_ids = $this->facebook->api_client->friends_getAppUsers();
+        $exclude_ids_csv = null;
+        
+        // fbml needs these as a csv string, not an array
+        if ($exclude_ids) {
+            $exclude_ids_csv = implode(',', $exclude_ids);
+        }
 
         $content = sprintf(_('You have been invited to %s'), common_config('site', 'name')) .
             htmlentities('<fb:req-choice url="' . $this->app_uri . '" label="Add"/>');
@@ -103,10 +109,17 @@ class FacebookinviteAction extends FacebookAction
                                                       'content' => $content));
         $this->hidden('invite', 'true');
         $actiontext = sprintf(_('Invite your friends to use %s'), common_config('site', 'name'));
-        $this->element('fb:multi-friend-selector', array('showborder' => 'false',
-                                                               'actiontext' => $actiontext,
-                                                               'exclude_ids' => implode(',', $exclude_ids),
-                                                               'bypass' => 'cancel'));
+        
+        $multi_params = array('showborder' => 'false');    
+        $multi_params['actiontext'] = $actiontext;
+        
+        if ($exclude_ids_csv) {
+            $multi_params['exclude_ids'] = $exclude_ids_csv;
+        }
+
+        $multi_params['bypass'] = 'cancel';
+                
+        $this->element('fb:multi-friend-selector', $multi_params);
 
         $this->elementEnd('fb:request-form');
 
diff --git a/actions/finishopenidlogin.php b/actions/finishopenidlogin.php
index bc9151120..1e7b73a7f 100644
--- a/actions/finishopenidlogin.php
+++ b/actions/finishopenidlogin.php
@@ -242,7 +242,7 @@ class FinishopenidloginAction extends Action
             }
         }
 
-        if ($sreg['fullname'] && strlen($sreg['fullname']) <= 255) {
+        if ($sreg['fullname'] && mb_strlen($sreg['fullname']) <= 255) {
             $fullname = $sreg['fullname'];
         }
 
diff --git a/actions/newgroup.php b/actions/newgroup.php
index 42fd380df..cbd8dfeec 100644
--- a/actions/newgroup.php
+++ b/actions/newgroup.php
@@ -142,13 +142,13 @@ class NewgroupAction extends Action
                                         array('http', 'https')))) {
             $this->showForm(_('Homepage is not a valid URL.'));
             return;
-        } else if (!is_null($fullname) && strlen($fullname) > 255) {
+        } else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
             $this->showForm(_('Full name is too long (max 255 chars).'));
             return;
-        } else if (!is_null($description) && strlen($description) > 140) {
+        } else if (!is_null($description) && mb_strlen($description) > 140) {
             $this->showForm(_('description is too long (max 140 chars).'));
             return;
-        } else if (!is_null($location) && strlen($location) > 255) {
+        } else if (!is_null($location) && mb_strlen($location) > 255) {
             $this->showForm(_('Location is too long (max 255 chars).'));
             return;
         }
diff --git a/actions/newmessage.php b/actions/newmessage.php
index f83015a37..82276ff34 100644
--- a/actions/newmessage.php
+++ b/actions/newmessage.php
@@ -201,7 +201,7 @@ class NewmessageAction extends Action
 
     function showNoticeForm()
     {
-        $message_form = new MessageForm($this, $this->to, $this->content);
+        $message_form = new MessageForm($this, $this->other, $this->content);
         $message_form->show();
     }
 }
diff --git a/actions/peopletag.php b/actions/peopletag.php
index 3578c53fd..6b1e34f1a 100644
--- a/actions/peopletag.php
+++ b/actions/peopletag.php
@@ -1,9 +1,12 @@
 <?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * Laconica, the distributed open-source microblogging tool
  *
- * This program is free software: you can redistribute it and/or modify
+ * Action for showing profiles self-tagged with a given tag
+ *
+ * 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.
@@ -15,78 +18,131 @@
  *
  * 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  Action
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @author    Zach Copley <zach@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @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); }
+if (!defined('LACONICA')) {
+    exit(1);
+}
 
 require_once INSTALLDIR.'/lib/profilelist.php';
 
+/**
+ * This class outputs a paginated list of profiles self-tagged with a given tag
+ *
+ * @category Output
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @author   Zach Copley <zach@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ *
+ * @see      Action
+ */
+
 class PeopletagAction extends Action
 {
-    
-    var $tag = null;
+
+    var $tag  = null;
     var $page = null;
-        
-    function handle($args)
+
+    /**
+     * For initializing members of the class.
+     *
+     * @param array $argarray misc. arguments
+     *
+     * @return boolean true
+     */
+    function prepare($argarray)
     {
-        parent::handle($args);    
-        
-        parent::prepare($args);
+        parent::prepare($argarray);
 
         $this->tag = $this->trimmed('tag');
 
         if (!common_valid_profile_tag($this->tag)) {
-            $this->clientError(sprintf(_('Not a valid people tag: %s'), $this->tag));
+            $this->clientError(sprintf(_('Not a valid people tag: %s'),
+                $this->tag));
             return;
         }
 
-        $this->page = $this->trimmed('page');
+        $this->page = ($this->arg('page')) ? $this->arg('page') : 1;
 
-        if (!$this->page) {
-            $this->page = 1;
-        }
-        
+        common_set_returnto($this->selfUrl());
+
+        return true;
+    }
+
+    /**
+     * Handler method
+     *
+     * @param array $argarray is ignored since it's now passed in in prepare()
+     *
+     * @return boolean is read only action?
+     */
+    function handle($argarray)
+    {
+        parent::handle($argarray);
         $this->showPage();
     }
-    
+
+    /**
+     * Whips up a query to get a list of profiles based on the provided
+     * people tag and page, initalizes a ProfileList widget, and displays
+     * it to the user.
+     *
+     * @return nothing
+     */
     function showContent()
     {
-        
+
         $profile = new Profile();
 
-        $offset = ($page-1)*PROFILES_PER_PAGE;
-        $limit = PROFILES_PER_PAGE + 1;
-        
-        if (common_config('db','type') == 'pgsql') {
+        $offset = ($this->page - 1) * PROFILES_PER_PAGE;
+        $limit  = PROFILES_PER_PAGE + 1;
+
+        if (common_config('db', 'type') == 'pgsql') {
             $lim = ' LIMIT ' . $limit . ' OFFSET ' . $offset;
         } else {
             $lim = ' LIMIT ' . $offset . ', ' . $limit;
         }
 
-        # XXX: memcached this
-        
+        // XXX: memcached this
+
         $qry =  'SELECT profile.* ' .
                 'FROM profile JOIN profile_tag ' .
                 'ON profile.id = profile_tag.tagger ' .
                 'WHERE profile_tag.tagger = profile_tag.tagged ' .
                 'AND tag = "%s" ' .
-                'ORDER BY profile_tag.modified DESC';
-        
+                'ORDER BY profile_tag.modified DESC%s';
+
         $profile->query(sprintf($qry, $this->tag, $lim));
 
-        $pl = new ProfileList($profile, null, $this);
+        $pl  = new ProfileList($profile, null, $this);
         $cnt = $pl->show();
-                
+
         $this->pagination($this->page > 1,
                           $cnt > PROFILES_PER_PAGE,
                           $this->page,
-                          $this->trimmed('action'),
+                          'peopletag',
                           array('tag' => $this->tag));
     }
-    
-    function title() 
+
+    /**
+     * Returns the page title
+     *
+     * @return string page title
+     */
+    function title()
     {
-        return sprintf( _('Users self-tagged with %s - page %d'), $this->tag, $this->page);
+        return sprintf(_('Users self-tagged with %s - page %d'),
+            $this->tag, $this->page);
     }
-    
+
 }
diff --git a/actions/profilesettings.php b/actions/profilesettings.php
index 82e6c3c82..60f7c0796 100644
--- a/actions/profilesettings.php
+++ b/actions/profilesettings.php
@@ -198,13 +198,13 @@ class ProfilesettingsAction extends AccountSettingsAction
                    !Validate::uri($homepage, array('allowed_schemes' => array('http', 'https')))) {
             $this->showForm(_('Homepage is not a valid URL.'));
             return;
-        } else if (!is_null($fullname) && strlen($fullname) > 255) {
+        } else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
             $this->showForm(_('Full name is too long (max 255 chars).'));
             return;
-        } else if (!is_null($bio) && strlen($bio) > 140) {
+        } else if (!is_null($bio) && mb_strlen($bio) > 140) {
             $this->showForm(_('Bio is too long (max 140 chars).'));
             return;
-        } else if (!is_null($location) && strlen($location) > 255) {
+        } else if (!is_null($location) && mb_strlen($location) > 255) {
             $this->showForm(_('Location is too long (max 255 chars).'));
             return;
         }  else if (is_null($timezone) || !in_array($timezone, DateTimeZone::listIdentifiers())) {
diff --git a/actions/register.php b/actions/register.php
index 01d94f488..5d7a8ce69 100644
--- a/actions/register.php
+++ b/actions/register.php
@@ -167,13 +167,13 @@ class RegisterAction extends Action
                                         array('http', 'https')))) {
             $this->showForm(_('Homepage is not a valid URL.'));
             return;
-        } else if (!is_null($fullname) && strlen($fullname) > 255) {
+        } else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
             $this->showForm(_('Full name is too long (max 255 chars).'));
             return;
-        } else if (!is_null($bio) && strlen($bio) > 140) {
+        } else if (!is_null($bio) && mb_strlen($bio) > 140) {
             $this->showForm(_('Bio is too long (max 140 chars).'));
             return;
-        } else if (!is_null($location) && strlen($location) > 255) {
+        } else if (!is_null($location) && mb_strlen($location) > 255) {
             $this->showForm(_('Location is too long (max 255 chars).'));
             return;
         } else if (strlen($password) < 6) {
diff --git a/actions/showstream.php b/actions/showstream.php
index 6bed700c2..962f4b452 100644
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -111,7 +111,7 @@ class ShowstreamAction extends Action
         $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
 
         common_set_returnto($this->selfUrl());
-        
+
         return true;
     }
 
@@ -178,21 +178,21 @@ class ShowstreamAction extends Action
     function showFeeds()
     {
         $this->element('link', array('rel' => 'alternate',
-                        'type' => 'application/rss+xml',
-                        'href' => common_local_url('userrss',
-                         array('nickname' => $this->user->nickname)),
-                               'title' => sprintf(_('Notice feed for %s (RSS)'),
-                                 $this->user->nickname)));
-
-         $this->element('link',
-             array('rel' => 'alternate',
-                   'href' => common_local_url('api',
-                     array('apiaction' => 'statuses',
-                           'method' => 'user_timeline.atom',
-                           'argument' => $this->user->nickname)),
-                           'type' => 'application/atom+xml',
-                           'title' => sprintf(_('Notice feed for %s (Atom)'),
-                             $this->user->nickname)));
+                                     'type' => 'application/rss+xml',
+                                     'href' => common_local_url('userrss',
+                                                                array('nickname' => $this->user->nickname)),
+                                     'title' => sprintf(_('Notice feed for %s (RSS)'),
+                                                        $this->user->nickname)));
+
+        $this->element('link',
+                       array('rel' => 'alternate',
+                             'href' => common_local_url('api',
+                                                        array('apiaction' => 'statuses',
+                                                              'method' => 'user_timeline.atom',
+                                                              'argument' => $this->user->nickname)),
+                             'type' => 'application/atom+xml',
+                             'title' => sprintf(_('Notice feed for %s (Atom)'),
+                                                $this->user->nickname)));
     }
 
     function extraHead()
@@ -206,7 +206,7 @@ class ShowstreamAction extends Action
         // for remote subscriptions etc.
         $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
                                      'content' => common_local_url('xrds', array('nickname' =>
-                                                                               $this->user->nickname))));
+                                                                                 $this->user->nickname))));
 
         if ($this->profile->bio) {
             $this->element('meta', array('name' => 'description',
@@ -248,7 +248,7 @@ class ShowstreamAction extends Action
                                     'height' => AVATAR_PROFILE_SIZE,
                                     'alt' => $this->profile->nickname));
         $this->elementEnd('dd');
-        
+
         $user = User::staticGet('id', $this->profile->id);
         $cur = common_current_user();
         if ($cur && $cur->id == $user->id) {
@@ -256,7 +256,7 @@ class ShowstreamAction extends Action
             $this->element('a', array('href' => common_local_url('avatarsettings')), _('Edit Avatar'));
             $this->elementEnd('dd');
         }
-        
+
         $this->elementEnd('dl');
 
         $this->elementStart('dl', 'entity_nickname');
@@ -265,7 +265,7 @@ class ShowstreamAction extends Action
         $hasFN = ($this->profile->fullname) ? 'nickname url uid' : 'fn nickname url uid';
         $this->element('a', array('href' => $this->profile->profileurl,
                                   'rel' => 'me', 'class' => $hasFN),
-                            $this->profile->nickname);
+                       $this->profile->nickname);
         $this->elementEnd('dd');
         $this->elementEnd('dl');
 
@@ -333,7 +333,7 @@ class ShowstreamAction extends Action
             $this->elementStart('li', 'entity_edit');
             $this->element('a', array('href' => common_local_url('profilesettings'),
                                       'title' => _('Edit profile settings')),
-                                      _('Edit'));
+                           _('Edit'));
             $this->elementEnd('li');
         }
 
@@ -356,7 +356,7 @@ class ShowstreamAction extends Action
         }
 
         if ($cur && $cur->id != $user->id && $cur->mutuallySubscribed($user)) {
-           $this->elementStart('li', 'entity_send-a-message');
+            $this->elementStart('li', 'entity_send-a-message');
             $this->element('a', array('href' => common_local_url('newmessage', array('to' => $user->id)),
                                       'title' => _('Send a direct message to this user')),
                            _('Message'));
@@ -498,7 +498,7 @@ class ShowstreamAction extends Action
         $this->elementStart('dl', 'entity_member-since');
         $this->element('dt', null, _('Member since'));
         $this->element('dd', null, date('j M Y',
-                                                 strtotime($this->profile->created)));
+                                        strtotime($this->profile->created)));
         $this->elementEnd('dl');
 
         $this->elementStart('dl', 'entity_subscriptions');
diff --git a/actions/twitapiaccount.php b/actions/twitapiaccount.php
index dc8e2e798..b7c09cc9d 100644
--- a/actions/twitapiaccount.php
+++ b/actions/twitapiaccount.php
@@ -56,7 +56,7 @@ class TwitapiaccountAction extends TwitterapiAction
 
         $location = trim($this->arg('location'));
 
-        if (!is_null($location) && strlen($location) > 255) {
+        if (!is_null($location) && mb_strlen($location) > 255) {
 
             // XXX: But Twitter just truncates and runs with it. -- Zach
             $this->clientError(_('That\'s too long. Max notice size is 255 chars.'), 406, $apidate['content-type']);
diff --git a/actions/updateprofile.php b/actions/updateprofile.php
index c79112dac..898c53543 100644
--- a/actions/updateprofile.php
+++ b/actions/updateprofile.php
@@ -93,22 +93,22 @@ class UpdateprofileAction extends Action
         }
         # optional stuff
         $fullname = $req->get_parameter('omb_listenee_fullname');
-        if ($fullname && strlen($fullname) > 255) {
+        if ($fullname && mb_strlen($fullname) > 255) {
             $this->clientError(_("Full name is too long (max 255 chars)."));
             return false;
         }
         $homepage = $req->get_parameter('omb_listenee_homepage');
-        if ($homepage && (!common_valid_http_url($homepage) || strlen($homepage) > 255)) {
+        if ($homepage && (!common_valid_http_url($homepage) || mb_strlen($homepage) > 255)) {
             $this->clientError(sprintf(_("Invalid homepage '%s'"), $homepage));
             return false;
         }
         $bio = $req->get_parameter('omb_listenee_bio');
-        if ($bio && strlen($bio) > 140) {
+        if ($bio && mb_strlen($bio) > 140) {
             $this->clientError(_("Bio is too long (max 140 chars)."));
             return false;
         }
         $location = $req->get_parameter('omb_listenee_location');
-        if ($location && strlen($location) > 255) {
+        if ($location && mb_strlen($location) > 255) {
             $this->clientError(_("Location is too long (max 255 chars)."));
             return false;
         }
diff --git a/actions/userauthorization.php b/actions/userauthorization.php
index 58fc96c0e..7455a41a6 100644
--- a/actions/userauthorization.php
+++ b/actions/userauthorization.php
@@ -469,19 +469,19 @@ class UserauthorizationAction extends Action
         }
         # optional stuff
         $fullname = $req->get_parameter('omb_listenee_fullname');
-        if ($fullname && strlen($fullname) > 255) {
+        if ($fullname && mb_strlen($fullname) > 255) {
             throw new OAuthException("Full name '$fullname' too long.");
         }
         $homepage = $req->get_parameter('omb_listenee_homepage');
-        if ($homepage && (!common_valid_http_url($homepage) || strlen($homepage) > 255)) {
+        if ($homepage && (!common_valid_http_url($homepage) || mb_strlen($homepage) > 255)) {
             throw new OAuthException("Invalid homepage '$homepage'");
         }
         $bio = $req->get_parameter('omb_listenee_bio');
-        if ($bio && strlen($bio) > 140) {
+        if ($bio && mb_strlen($bio) > 140) {
             throw new OAuthException("Bio too long '$bio'");
         }
         $location = $req->get_parameter('omb_listenee_location');
-        if ($location && strlen($location) > 255) {
+        if ($location && mb_strlen($location) > 255) {
             throw new OAuthException("Location too long '$location'");
         }
         $avatar = $req->get_parameter('omb_listenee_avatar');
diff --git a/config.php.sample b/config.php.sample
index db1a21663..a2c5801f4 100644
--- a/config.php.sample
+++ b/config.php.sample
@@ -142,3 +142,7 @@ $config['sphinx']['port'] = 3312;
 # config section for the built-in Facebook application
 #$config['facebook']['apikey'] = 'APIKEY';
 #$config['facebook']['secret'] = 'SECRET';
+
+# Add Google Analytics
+# require_once('plugins/GoogleAnalyticsPlugin.php');
+# $ga = new GoogleAnalyticsPlugin('your secret code');
diff --git a/db/laconica.sql b/db/laconica.sql
index 012270b51..16f482134 100644
--- a/db/laconica.sql
+++ b/db/laconica.sql
@@ -258,7 +258,8 @@ create table notice_tag (
     created datetime not null comment 'date this record was created',
 
     constraint primary key (tag, notice_id),
-    index notice_tag_created_idx (created)
+    index notice_tag_created_idx (created),
+    index notice_tag_notice_id_idx (notice_id)
 ) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
 
 /* Synching with foreign services */
@@ -356,7 +357,8 @@ create table profile_tag (
 
    constraint primary key (tagger, tagged, tag),
    index profile_tag_modified_idx (modified),
-   index profile_tag_tagger_tag_idx (tagger, tag)
+   index profile_tag_tagger_tag_idx (tagger, tag),
+   index profile_tag_tagged_idx (tagged)
 ) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
 
 create table profile_block (
@@ -400,7 +402,9 @@ create table group_member (
     created datetime not null comment 'date this record was created',
     modified timestamp comment 'date this record was modified',
 
-    constraint primary key (group_id, profile_id)
+    constraint primary key (group_id, profile_id),
+    index group_member_profile_id_idx (profile_id),
+    index group_member_created_idx (created)
 
 ) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
 
diff --git a/index.php b/index.php
index 387b642e2..e62d9469a 100644
--- a/index.php
+++ b/index.php
@@ -22,6 +22,8 @@ define('LACONICA', true);
 
 require_once INSTALLDIR . '/lib/common.php';
 
+// XXX: we need a little more structure in this script
+
 // get and cache current user
 
 $user = common_current_user();
@@ -45,16 +47,16 @@ if (!$user && common_config('site', 'private') &&
     common_redirect(common_local_url('login'));
 }
 
-$actionfile = INSTALLDIR."/actions/$action.php";
-
-if (file_exists($actionfile)) {
-
-    include_once $actionfile;
-
-    $action_class = ucfirst($action).'Action';
+$action_class = ucfirst($action).'Action';
 
+if (!class_exists($action_class)) {
+    $cac = new ClientErrorAction(_('Unknown action'), 404);
+    $cac->showPage();
+} else {
     $action_obj = new $action_class();
 
+    // XXX: find somewhere for this little block to live
+
     if ($config['db']['mirror'] && $action_obj->isReadOnly()) {
         if (is_array($config['db']['mirror'])) {
             // "load balancing", ha ha
@@ -66,9 +68,24 @@ if (file_exists($actionfile)) {
         }
         $config['db']['database'] = $mirror;
     }
-    if (call_user_func(array($action_obj, 'prepare'), $_REQUEST)) {
-        call_user_func(array($action_obj, 'handle'), $_REQUEST);
+
+    try {
+        if ($action_obj->prepare($_REQUEST)) {
+            $action_obj->handle($_REQUEST);
+        }
+    } catch (ClientException $cex) {
+        $cac = new ClientErrorAction($cex->getMessage(), $cex->getCode());
+        $cac->showPage();
+    } catch (ServerException $sex) { // snort snort guffaw
+        $sac = new ServerErrorAction($sex->getMessage(), $sex->getCode());
+        $sac->showPage();
+    } catch (Exception $ex) {
+        $sac = new ServerErrorAction($ex->getMessage());
+        $sac->showPage();
     }
-} else {
-    common_user_error(_('Unknown action'));
-}
\ No newline at end of file
+}
+
+// XXX: cleanup exit() calls or add an exit handler so
+// this always gets called
+
+Event::handle('CleanupPlugin');
diff --git a/js/jquery.js b/js/jquery.js
index fc06ace27..94e9c1755 100644
--- a/js/jquery.js
+++ b/js/jquery.js
@@ -1,13 +1,13 @@
 /*!
- * jQuery JavaScript Library v1.3
+ * jQuery JavaScript Library v1.3.1
  * http://jquery.com/
  *
  * Copyright (c) 2009 John Resig
  * Dual licensed under the MIT and GPL licenses.
  * http://docs.jquery.com/License
  *
- * Date: 2009-01-13 12:50:31 -0500 (Tue, 13 Jan 2009)
- * Revision: 6104
+ * Date: 2009-01-21 20:42:16 -0500 (Wed, 21 Jan 2009)
+ * Revision: 6158
  */
 (function(){
 
@@ -60,20 +60,16 @@ jQuery.fn = jQuery.prototype = {
 				else {
 					var elem = document.getElementById( match[3] );
 
-					// Make sure an element was located
-					if ( elem ){
-						// Handle the case where IE and Opera return items
-						// by name instead of ID
-						if ( elem.id != match[3] )
-							return jQuery().find( selector );
-
-						// Otherwise, we inject the element directly into the jQuery object
-						var ret = jQuery( elem );
-						ret.context = document;
-						ret.selector = selector;
-						return ret;
-					}
-					selector = [];
+					// Handle the case where IE and Opera return items
+					// by name instead of ID
+					if ( elem && elem.id != match[3] )
+						return jQuery().find( selector );
+
+					// Otherwise, we inject the element directly into the jQuery object
+					var ret = jQuery( elem || [] );
+					ret.context = document;
+					ret.selector = selector;
+					return ret;
 				}
 
 			// HANDLE: $(expr, [context])
@@ -99,7 +95,7 @@ jQuery.fn = jQuery.prototype = {
 	selector: "",
 
 	// The current version of jQuery being used
-	jquery: "1.3",
+	jquery: "1.3.1",
 
 	// The number of elements contained in the matched element set
 	size: function() {
@@ -634,8 +630,8 @@ jQuery.extend({
 
 	// check if an element is in a (or is an) XML document
 	isXMLDoc: function( elem ) {
-		return elem.documentElement && !elem.body ||
-			elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+		return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
+			!!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument );
 	},
 
 	// Evalulates a script in a global context
@@ -725,7 +721,7 @@ jQuery.extend({
 
 		// internal only, use hasClass("class")
 		has: function( elem, className ) {
-			return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
+			return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
 		}
 	},
 
@@ -999,9 +995,11 @@ jQuery.extend({
 					var attributeNode = elem.getAttributeNode( "tabIndex" );
 					return attributeNode && attributeNode.specified
 						? attributeNode.value
-						: elem.nodeName.match(/^(a|area|button|input|object|select|textarea)$/i)
+						: elem.nodeName.match(/(button|input|object|select|textarea)/i)
 							? 0
-							: undefined;
+							: elem.nodeName.match(/^(a|area)$/i) && elem.href
+								? 0
+								: undefined;
 				}
 
 				return elem[ name ];
@@ -1397,14 +1395,14 @@ jQuery.fn.extend({
 		});

 	}

 });/*!
- * Sizzle CSS Selector Engine - v0.9.1
+ * Sizzle CSS Selector Engine - v0.9.3
  *  Copyright 2009, The Dojo Foundation
  *  Released under the MIT, BSD, and GPL Licenses.
  *  More information: http://sizzlejs.com/
  */
 (function(){
 
-var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|[^[\]]+)+\]|\\.|[^ >+~,(\[]+)+|[>+~])(\s*,\s*)?/g,
+var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]+['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[]+)+|[>+~])(\s*,\s*)?/g,
 	done = 0,
 	toString = Object.prototype.toString;
 
@@ -1433,40 +1431,27 @@ var Sizzle = function(selector, context, results, seed) {
 		}
 	}
 
-	if ( parts.length > 1 && Expr.match.POS.exec( selector ) ) {
+	if ( parts.length > 1 && origPOS.exec( selector ) ) {
 		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
-			var later = "", match;
-
-			// Position selectors must be done after the filter
-			while ( (match = Expr.match.POS.exec( selector )) ) {
-				later += match[0];
-				selector = selector.replace( Expr.match.POS, "" );
-			}
-
-			set = Sizzle.filter( later, Sizzle( /\s$/.test(selector) ? selector + "*" : selector, context ) );
+			set = posProcess( parts[0] + parts[1], context );
 		} else {
 			set = Expr.relative[ parts[0] ] ?
 				[ context ] :
 				Sizzle( parts.shift(), context );
 
 			while ( parts.length ) {
-				var tmpSet = [];
-
 				selector = parts.shift();
+
 				if ( Expr.relative[ selector ] )
 					selector += parts.shift();
 
-				for ( var i = 0, l = set.length; i < l; i++ ) {
-					Sizzle( selector, set[i], tmpSet );
-				}
-
-				set = tmpSet;
+				set = posProcess( selector, set );
 			}
 		}
 	} else {
 		var ret = seed ?
 			{ expr: parts.pop(), set: makeArray(seed) } :
-			Sizzle.find( parts.pop(), parts.length === 1 && context.parentNode ? context.parentNode : context );
+			Sizzle.find( parts.pop(), parts.length === 1 && context.parentNode ? context.parentNode : context, isXML(context) );
 		set = Sizzle.filter( ret.expr, ret.set );
 
 		if ( parts.length > 0 ) {
@@ -1531,7 +1516,7 @@ Sizzle.matches = function(expr, set){
 	return Sizzle(expr, null, null, set);
 };
 
-Sizzle.find = function(expr, context){
+Sizzle.find = function(expr, context, isXML){
 	var set, match;
 
 	if ( !expr ) {
@@ -1546,7 +1531,7 @@ Sizzle.find = function(expr, context){
 
 			if ( left.substr( left.length - 1 ) !== "\\" ) {
 				match[1] = (match[1] || "").replace(/\\/g, "");
-				set = Expr.find[ type ]( match, context );
+				set = Expr.find[ type ]( match, context, isXML );
 				if ( set != null ) {
 					expr = expr.replace( Expr.match[ type ], "" );
 					break;
@@ -1568,7 +1553,7 @@ Sizzle.filter = function(expr, set, inplace, not){
 	while ( expr && set.length ) {
 		for ( var type in Expr.filter ) {
 			if ( (match = Expr.match[ type ].exec( expr )) != null ) {
-				var filter = Expr.filter[ type ], goodArray = null, goodPos = 0, found, item;
+				var filter = Expr.filter[ type ], found, item;
 				anyFound = false;
 
 				if ( curLoop == result ) {
@@ -1582,26 +1567,13 @@ Sizzle.filter = function(expr, set, inplace, not){
 						anyFound = found = true;
 					} else if ( match === true ) {
 						continue;
-					} else if ( match[0] === true ) {
-						goodArray = [];
-						var last = null, elem;
-						for ( var i = 0; (elem = curLoop[i]) !== undefined; i++ ) {
-							if ( elem && last !== elem ) {
-								goodArray.push( elem );
-								last = elem;
-							}
-						}
 					}
 				}
 
 				if ( match ) {
-					for ( var i = 0; (item = curLoop[i]) !== undefined; i++ ) {
+					for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
 						if ( item ) {
-							if ( goodArray && item != goodArray[goodPos] ) {
-								goodPos++;
-							}
-	
-							found = filter( item, match, goodPos, goodArray );
+							found = filter( item, match, i, curLoop );
 							var pass = not ^ !!found;
 
 							if ( inplace && found != null ) {
@@ -1739,14 +1711,16 @@ var Expr = Sizzle.selectors = {
 		}
 	},
 	find: {
-		ID: function(match, context){
-			if ( context.getElementById ) {
+		ID: function(match, context, isXML){
+			if ( typeof context.getElementById !== "undefined" && !isXML ) {
 				var m = context.getElementById(match[1]);
 				return m ? [m] : [];
 			}
 		},
-		NAME: function(match, context){
-			return context.getElementsByName ? context.getElementsByName(match[1]) : null;
+		NAME: function(match, context, isXML){
+			if ( typeof context.getElementsByName !== "undefined" && !isXML ) {
+				return context.getElementsByName(match[1]);
+			}
 		},
 		TAG: function(match, context){
 			return context.getElementsByTagName(match[1]);
@@ -1756,12 +1730,15 @@ var Expr = Sizzle.selectors = {
 		CLASS: function(match, curLoop, inplace, result, not){
 			match = " " + match[1].replace(/\\/g, "") + " ";
 
-			for ( var i = 0; curLoop[i]; i++ ) {
-				if ( not ^ (" " + curLoop[i].className + " ").indexOf(match) >= 0 ) {
-					if ( !inplace )
-						result.push( curLoop[i] );
-				} else if ( inplace ) {
-					curLoop[i] = false;
+			var elem;
+			for ( var i = 0; (elem = curLoop[i]) != null; i++ ) {
+				if ( elem ) {
+					if ( not ^ (" " + elem.className + " ").indexOf(match) >= 0 ) {
+						if ( !inplace )
+							result.push( elem );
+					} else if ( inplace ) {
+						curLoop[i] = false;
+					}
 				}
 			}
 
@@ -1771,8 +1748,8 @@ var Expr = Sizzle.selectors = {
 			return match[1].replace(/\\/g, "");
 		},
 		TAG: function(match, curLoop){
-			for ( var i = 0; !curLoop[i]; i++ ){}
-			return isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
+			for ( var i = 0; curLoop[i] === false; i++ ){}
+			return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
 		},
 		CHILD: function(match){
 			if ( match[1] == "nth" ) {
@@ -1792,7 +1769,7 @@ var Expr = Sizzle.selectors = {
 			return match;
 		},
 		ATTR: function(match){
-			var name = match[1];
+			var name = match[1].replace(/\\/g, "");
 			
 			if ( Expr.attrMap[name] ) {
 				match[1] = Expr.attrMap[name];
@@ -1916,7 +1893,7 @@ var Expr = Sizzle.selectors = {
 		CHILD: function(elem, match){
 			var type = match[1], parent = elem.parentNode;
 
-			var doneName = "child" + parent.childNodes.length;
+			var doneName = match[0];
 			
 			if ( parent && (!parent[ doneName ] || !elem.nodeIndex) ) {
 				var count = 1;
@@ -1985,7 +1962,7 @@ var Expr = Sizzle.selectors = {
 		ATTR: function(elem, match){
 			var result = Expr.attrHandle[ match[1] ] ? Expr.attrHandle[ match[1] ]( elem ) : elem[ match[1] ] || elem.getAttribute( match[1] ), value = result + "", type = match[2], check = match[4];
 			return result == null ?
-				false :
+				type === "!=" :
 				type === "=" ?
 				value === check :
 				type === "*=" ?
@@ -2014,6 +1991,8 @@ var Expr = Sizzle.selectors = {
 	}
 };
 
+var origPOS = Expr.match.POS;
+
 for ( var type in Expr.match ) {
 	Expr.match[ type ] = RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
 }
@@ -2072,15 +2051,15 @@ try {
 	// The workaround has to do additional checks after a getElementById
 	// Which slows things down for other browsers (hence the branching)
 	if ( !!document.getElementById( id ) ) {
-		Expr.find.ID = function(match, context){
-			if ( context.getElementById ) {
+		Expr.find.ID = function(match, context, isXML){
+			if ( typeof context.getElementById !== "undefined" && !isXML ) {
 				var m = context.getElementById(match[1]);
-				return m ? m.id === match[1] || m.getAttributeNode && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
+				return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
 			}
 		};
 
 		Expr.filter.ID = function(elem, match){
-			var node = elem.getAttributeNode && elem.getAttributeNode("id");
+			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
 			return elem.nodeType === 1 && node && node.nodeValue === match;
 		};
 	}
@@ -2120,7 +2099,7 @@ try {
 
 	// Check to see if an attribute returns normalized href attributes
 	div.innerHTML = "<a href='#'></a>";
-	if ( div.firstChild.getAttribute("href") !== "#" ) {
+	if ( div.firstChild && div.firstChild.getAttribute("href") !== "#" ) {
 		Expr.attrHandle.href = function(elem){
 			return elem.getAttribute("href", 2);
 		};
@@ -2128,12 +2107,21 @@ try {
 })();
 
 if ( document.querySelectorAll ) (function(){
-	var oldSizzle = Sizzle;
+	var oldSizzle = Sizzle, div = document.createElement("div");
+	div.innerHTML = "<p class='TEST'></p>";
+
+	// Safari can't handle uppercase or unicode characters when
+	// in quirks mode.
+	if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
+		return;
+	}
 	
 	Sizzle = function(query, context, extra, seed){
 		context = context || document;
 
-		if ( !seed && context.nodeType === 9 ) {
+		// Only use querySelectorAll on non-XML documents
+		// (ID selectors don't work in non-HTML documents)
+		if ( !seed && context.nodeType === 9 && !isXML(context) ) {
 			try {
 				return makeArray( context.querySelectorAll(query), extra );
 			} catch(e){}
@@ -2148,7 +2136,7 @@ if ( document.querySelectorAll ) (function(){
 	Sizzle.matches = oldSizzle.matches;
 })();
 
-if ( document.documentElement.getElementsByClassName ) {
+if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) {
 	Expr.order.splice(1, 0, "CLASS");
 	Expr.find.CLASS = function(match, context) {
 		return context.getElementsByClassName(match[1]);
@@ -2229,8 +2217,28 @@ var contains = document.compareDocumentPosition ?  function(a, b){
 };
 
 var isXML = function(elem){
-	return elem.documentElement && !elem.body ||
-		elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+	return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
+		!!elem.ownerDocument && isXML( elem.ownerDocument );
+};
+
+var posProcess = function(selector, context){
+	var tmpSet = [], later = "", match,
+		root = context.nodeType ? [context] : context;
+
+	// Position selectors must be done after the filter
+	// And so must :not(positional) so we move all PSEUDOs to the end
+	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
+		later += match[0];
+		selector = selector.replace( Expr.match.PSEUDO, "" );
+	}
+
+	selector = Expr.relative[selector] ? selector + "*" : selector;
+
+	for ( var i = 0, l = root.length; i < l; i++ ) {
+		Sizzle( selector, root[i], tmpSet );
+	}
+
+	return Sizzle.filter( later, tmpSet );
 };
 
 // EXPOSE
@@ -2681,13 +2689,13 @@ jQuery.Event = function( src ){
 	if( src && src.type ){
 		this.originalEvent = src;
 		this.type = src.type;
-		this.timeStamp = src.timeStamp;
 	// Event type
 	}else
 		this.type = src;
 
-	if( !this.timeStamp )
-		this.timeStamp = now();
+	// timeStamp is buggy for some events on Firefox(#3843)
+	// So we won't rely on the native value
+	this.timeStamp = now();
 	
 	// Mark it as fixed
 	this[expando] = true;
@@ -2876,9 +2884,8 @@ function liveHandler( event ){
 	});
 
 	jQuery.each(elems, function(){
-		if ( !event.isImmediatePropagationStopped() &&
-			this.fn.call(this.elem, event, this.fn.data) === false )
-				stop = false;
+		if ( this.fn.call(this.elem, event, this.fn.data) === false )
+			stop = false;
 	});
 
 	return stop;
@@ -2942,7 +2949,7 @@ function bindReady(){
 
 		// If IE and not an iframe
 		// continually check to see if the document is ready
-		if ( document.documentElement.doScroll && !window.frameElement ) (function(){
+		if ( document.documentElement.doScroll && typeof window.frameElement === "undefined" ) (function(){
 			if ( jQuery.isReady ) return;
 
 			try {
@@ -3477,6 +3484,9 @@ jQuery.extend({
 				// Fire the complete handlers
 				complete();
 
+				if ( isTimeout )
+					xhr.abort();
+
 				// Stop memory leaks
 				if ( s.async )
 					xhr = null;
@@ -3491,14 +3501,8 @@ jQuery.extend({
 			if ( s.timeout > 0 )
 				setTimeout(function(){
 					// Check to see if the request is still happening
-					if ( xhr ) {
-						if( !requestDone )
-							onreadystatechange( "timeout" );
-
-						// Cancel the request
-						if ( xhr )
-							xhr.abort();
-					}
+					if ( xhr && !requestDone )
+						onreadystatechange( "timeout" );
 				}, s.timeout);
 		}
 
@@ -3637,6 +3641,7 @@ jQuery.extend({
 
 });
 var elemdisplay = {},
+	timerId,
 	fxAttrs = [
 		// height animations
 		[ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ],
@@ -3859,7 +3864,6 @@ jQuery.extend({
 	},
 
 	timers: [],
-	timerId: null,
 
 	fx: function( elem, options, prop ){
 		this.options = options;
@@ -3911,10 +3915,8 @@ jQuery.fx.prototype = {
 
 		t.elem = this.elem;
 
-		jQuery.timers.push(t);
-
-		if ( t() && jQuery.timerId == null ) {
-			jQuery.timerId = setInterval(function(){
+		if ( t() && jQuery.timers.push(t) == 1 ) {
+			timerId = setInterval(function(){
 				var timers = jQuery.timers;
 
 				for ( var i = 0; i < timers.length; i++ )
@@ -3922,8 +3924,7 @@ jQuery.fx.prototype = {
 						timers.splice(i--, 1);
 
 				if ( !timers.length ) {
-					clearInterval( jQuery.timerId );
-					jQuery.timerId = null;
+					clearInterval( timerId );
 				}
 			}, 13);
 		}
@@ -3989,11 +3990,10 @@ jQuery.fx.prototype = {
 				if ( this.options.hide || this.options.show )
 					for ( var p in this.options.curAnim )
 						jQuery.attr(this.elem.style, p, this.options.orig[p]);
-			}
-
-			if ( done )
+					
 				// Execute the complete function
 				this.options.complete.call( this.elem );
+			}
 
 			return false;
 		} else {
@@ -4087,7 +4087,7 @@ jQuery.offset = {
 	initialize: function() {
 		if ( this.initialized ) return;
 		var body = document.body, container = document.createElement('div'), innerDiv, checkDiv, table, td, rules, prop, bodyMarginTop = body.style.marginTop,
-			html = '<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"cellpadding="0"cellspacing="0"><tr><td></td></tr></table>';
+			html = '<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;" cellpadding="0" cellspacing="0"><tr><td></td></tr></table>';
 
 		rules = { position: 'absolute', top: 0, left: 0, margin: 0, border: 0, width: '1px', height: '1px', visibility: 'hidden' };
 		for ( prop in rules ) container.style[prop] = rules[prop];
diff --git a/js/jquery.min.js b/js/jquery.min.js
index 396646c84..c327fae81 100644
--- a/js/jquery.min.js
+++ b/js/jquery.min.js
@@ -1,19 +1,19 @@
 /*
- * jQuery JavaScript Library v1.3
+ * jQuery JavaScript Library v1.3.1
  * http://jquery.com/
  *
  * Copyright (c) 2009 John Resig
  * Dual licensed under the MIT and GPL licenses.
  * http://docs.jquery.com/License
  *
- * Date: 2009-01-13 12:50:31 -0500 (Tue, 13 Jan 2009)
- * Revision: 6104
+ * Date: 2009-01-21 20:42:16 -0500 (Wed, 21 Jan 2009)
+ * Revision: 6158
  */
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E=parseFloat(o.css(this.elem,this.prop,F));return E&&E>-10000?E:parseFloat(o.curCSS(this.elem,this.prop))||0},custom:function(I,H,G){this.startTime=e();this.start=I;this.end=H;this.unit=G||this.unit||"px";this.now=this.start;this.pos=this.state=0;var E=this;function F(J){return E.step(J)}F.elem=this.elem;if(F()&&o.timers.push(F)==1){n=setInterval(function(){var K=o.timers;for(var J=0;J<K.length;J++){if(!K[J]()){K.splice(J--,1)}}if(!K.length){clearInterval(n)}},13)}},show:function(){this.options.orig[this.prop]=o.attr(this.elem.style,this.prop);this.options.show=true;this.custom(this.prop=="width"||this.prop=="height"?1:0,this.cur());o(this.elem).show()},hide:function(){this.options.orig[this.prop]=o.attr(this.elem.style,this.prop);this.options.hide=true;this.custom(this.cur(),0)},step:function(H){var G=e();if(H||G>=this.options.duration+this.startTime){this.now=this.end;this.pos=this.state=1;this.update();this.options.curAnim[this.prop]=true;var E=true;for(var F in this.options.curAnim){if(this.options.curAnim[F]!==true){E=false}}if(E){if(this.options.display!=null){this.elem.style.overflow=this.options.overflow;this.elem.style.display=this.options.display;if(o.css(this.elem,"display")=="none"){this.elem.style.display="block"}}if(this.options.hide){o(this.elem).hide()}if(this.options.hide||this.options.show){for(var I in this.options.curAnim){o.attr(this.elem.style,I,this.options.orig[I])}}this.options.complete.call(this.elem)}return false}else{var J=G-this.startTime;this.state=J/this.options.duration;this.pos=o.easing[this.options.easing||(o.easing.swing?"swing":"linear")](this.state,J,0,1,this.options.duration);this.now=this.start+((this.end-this.start)*this.pos);this.update()}return true}};o.extend(o.fx,{speeds:{slow:600,fast:200,_default:400},step:{opacity:function(E){o.attr(E.elem.style,"opacity",E.now)},_default:function(E){if(E.elem.style&&E.elem.style[E.prop]!=null){E.elem.style[E.prop]=E.now+E.unit}else{E.elem[E.prop]=E.now}}}});if(document.documentElement.getBoundingClientRect){o.fn.offset=function(){if(!this[0]){return{top:0,left:0}}if(this[0]===this[0].ownerDocument.body){return o.offset.bodyOffset(this[0])}var G=this[0].getBoundingClientRect(),J=this[0].ownerDocument,F=J.body,E=J.documentElement,L=E.clientTop||F.clientTop||0,K=E.clientLeft||F.clientLeft||0,I=G.top+(self.pageYOffset||o.boxModel&&E.scrollTop||F.scrollTop)-L,H=G.left+(self.pageXOffset||o.boxModel&&E.scrollLeft||F.scrollLeft)-K;return{top:I,left:H}}}else{o.fn.offset=function(){if(!this[0]){return{top:0,left:0}}if(this[0]===this[0].ownerDocument.body){return o.offset.bodyOffset(this[0])}o.offset.initialized||o.offset.initialize();var J=this[0],G=J.offsetParent,F=J,O=J.ownerDocument,M,H=O.documentElement,K=O.body,L=O.defaultView,E=L.getComputedStyle(J,null),N=J.offsetTop,I=J.offsetLeft;while((J=J.parentNode)&&J!==K&&J!==H){M=L.getComputedStyle(J,null);N-=J.scrollTop,I-=J.scrollLeft;if(J===G){N+=J.offsetTop,I+=J.offsetLeft;if(o.offset.doesNotAddBorder&&!(o.offset.doesAddBorderForTableAndCells&&/^t(able|d|h)$/i.test(J.tagName))){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}F=G,G=J.offsetParent}if(o.offset.subtractsBorderForOverflowNotVisible&&M.overflow!=="visible"){N+=parseInt(M.borderTopWidth,10)||0,I+=parseInt(M.borderLeftWidth,10)||0}E=M}if(E.position==="relative"||E.position==="static"){N+=K.offsetTop,I+=K.offsetLeft}if(E.position==="fixed"){N+=Math.max(H.scrollTop,K.scrollTop),I+=Math.max(H.scrollLeft,K.scrollLeft)}return{top:N,left:I}}}o.offset={initialize:function(){if(this.initialized){return}var L=document.body,F=document.createElement("div"),H,G,N,I,M,E,J=L.style.marginTop,K='<div style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;"><div></div></div><table style="position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;" cellpadding="0" cellspacing="0"><tr><td></td></tr></table>';M={position:"absolute",top:0,left:0,margin:0,border:0,width:"1px",height:"1px",visibility:"hidden"};for(E in M){F.style[E]=M[E]}F.innerHTML=K;L.insertBefore(F,L.firstChild);H=F.firstChild,G=H.firstChild,I=H.nextSibling.firstChild.firstChild;this.doesNotAddBorder=(G.offsetTop!==5);this.doesAddBorderForTableAndCells=(I.offsetTop===5);H.style.overflow="hidden",H.style.position="relative";this.subtractsBorderForOverflowNotVisible=(G.offsetTop===-5);L.style.marginTop="1px";this.doesNotIncludeMarginInBodyOffset=(L.offsetTop===0);L.style.marginTop=J;L.removeChild(F);this.initialized=true},bodyOffset:function(E){o.offset.initialized||o.offset.initialize();var G=E.offsetTop,F=E.offsetLeft;if(o.offset.doesNotIncludeMarginInBodyOffset){G+=parseInt(o.curCSS(E,"marginTop",true),10)||0,F+=parseInt(o.curCSS(E,"marginLeft",true),10)||0}return{top:G,left:F}}};o.fn.extend({position:function(){var I=0,H=0,F;if(this[0]){var G=this.offsetParent(),J=this.offset(),E=/^body|html$/i.test(G[0].tagName)?{top:0,left:0}:G.offset();J.top-=j(this,"marginTop");J.left-=j(this,"marginLeft");E.top+=j(G,"borderTopWidth");E.left+=j(G,"borderLeftWidth");F={top:J.top-E.top,left:J.left-E.left}}return F},offsetParent:function(){var E=this[0].offsetParent||document.body;while(E&&(!/^body|html$/i.test(E.tagName)&&o.css(E,"position")=="static")){E=E.offsetParent}return o(E)}});o.each(["Left","Top"],function(F,E){var G="scroll"+E;o.fn[G]=function(H){if(!this[0]){return null}return H!==g?this.each(function(){this==l||this==document?l.scrollTo(!F?H:o(l).scrollLeft(),F?H:o(l).scrollTop()):this[G]=H}):this[0]==l||this[0]==document?self[F?"pageYOffset":"pageXOffset"]||o.boxModel&&document.documentElement[G]||document.body[G]:this[0][G]}});o.each(["Height","Width"],function(H,F){var E=H?"Left":"Top",G=H?"Right":"Bottom";o.fn["inner"+F]=function(){return this[F.toLowerCase()]()+j(this,"padding"+E)+j(this,"padding"+G)};o.fn["outer"+F]=function(J){return this["inner"+F]()+j(this,"border"+E+"Width")+j(this,"border"+G+"Width")+(J?j(this,"margin"+E)+j(this,"margin"+G):0)};var I=F.toLowerCase();o.fn[I]=function(J){return this[0]==l?document.compatMode=="CSS1Compat"&&document.documentElement["client"+F]||document.body["client"+F]:this[0]==document?Math.max(document.documentElement["client"+F],document.body["scroll"+F],document.documentElement["scroll"+F],document.body["offset"+F],document.documentElement["offset"+F]):J===g?(this.length?o.css(this[0],I):null):this.css(I,typeof J==="string"?J:J+"px")}})})();
\ No newline at end of file
diff --git a/lib/action.php b/lib/action.php
index c4172ada1..ce92addf5 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -179,18 +179,27 @@ class Action extends HTMLOutputter // lawsuit
      */
     function showScripts()
     {
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/jquery.min.js')),
-                       ' ');
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/jquery.form.js')),
-                       ' ');
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/xbImportNode.js')),
-                       ' ');
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
-                       ' ');
+        if (Event::handle('StartShowScripts', array($this))) {
+            if (Event::handle('StartShowJQueryScripts', array($this))) {
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/jquery.min.js')),
+                               ' ');
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/jquery.form.js')),
+                               ' ');
+                Event::handle('EndShowJQueryScripts', array($this));
+            }
+            if (Event::handle('StartShowLaconicaScripts', array($this))) {
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/xbImportNode.js')),
+                               ' ');
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
+                               ' ');
+                Event::handle('EndShowLaconicaScripts', array($this));
+            }
+            Event::handle('EndShowScripts', array($this));
+        }
     }
 
     /**
@@ -312,42 +321,46 @@ class Action extends HTMLOutputter // lawsuit
      */
     function showPrimaryNav()
     {
+        $user = common_current_user();
+
         $this->elementStart('dl', array('id' => 'site_nav_global_primary'));
         $this->element('dt', null, _('Primary site navigation'));
         $this->elementStart('dd');
-        $user = common_current_user();
         $this->elementStart('ul', array('class' => 'nav'));
-        if ($user) {
-            $this->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
-                            _('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
-        }
-        $this->menuItem(common_local_url('peoplesearch'),
-                        _('Search'), _('Search for people or text'), false, 'nav_search');
-        if ($user) {
-            $this->menuItem(common_local_url('profilesettings'),
-                            _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
-
-            if (common_config('xmpp', 'enabled')) {
-                $this->menuItem(common_local_url('imsettings'),
-                            _('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect');
-            } else {
-                $this->menuItem(common_local_url('smssettings'),
-                            _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
+        if (Event::handle('StartPrimaryNav', array($this))) {
+            if ($user) {
+                $this->menuItem(common_local_url('all', array('nickname' => $user->nickname)),
+                                _('Home'), _('Personal profile and friends timeline'), false, 'nav_home');
             }
-            $this->menuItem(common_local_url('logout'),
-                            _('Logout'), _('Logout from the site'), false, 'nav_logout');
-        } else {
-            $this->menuItem(common_local_url('login'),
-                            _('Login'), _('Login to the site'), false, 'nav_login');
-            if (!common_config('site', 'closed')) {
-                $this->menuItem(common_local_url('register'),
-                                _('Register'), _('Create an account'), false, 'nav_register');
+            $this->menuItem(common_local_url('peoplesearch'),
+                            _('Search'), _('Search for people or text'), false, 'nav_search');
+            if ($user) {
+                $this->menuItem(common_local_url('profilesettings'),
+                                _('Account'), _('Change your email, avatar, password, profile'), false, 'nav_account');
+
+                if (common_config('xmpp', 'enabled')) {
+                    $this->menuItem(common_local_url('imsettings'),
+                                    _('Connect'), _('Connect to IM, SMS, Twitter'), false, 'nav_connect');
+                } else {
+                    $this->menuItem(common_local_url('smssettings'),
+                                    _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
+                }
+                $this->menuItem(common_local_url('logout'),
+                                _('Logout'), _('Logout from the site'), false, 'nav_logout');
+            } else {
+                $this->menuItem(common_local_url('login'),
+                                _('Login'), _('Login to the site'), false, 'nav_login');
+                if (!common_config('site', 'closed')) {
+                    $this->menuItem(common_local_url('register'),
+                                    _('Register'), _('Create an account'), false, 'nav_register');
+                }
+                $this->menuItem(common_local_url('openidlogin'),
+                                _('OpenID'), _('Login with OpenID'), false, 'nav_openid');
             }
-            $this->menuItem(common_local_url('openidlogin'),
-                            _('OpenID'), _('Login with OpenID'), false, 'nav_openid');
+            $this->menuItem(common_local_url('doc', array('title' => 'help')),
+                            _('Help'), _('Help me!'), false, 'nav_help');
+            Event::handle('EndPrimaryNav', array($this));
         }
-        $this->menuItem(common_local_url('doc', array('title' => 'help')),
-                        _('Help'), _('Help me!'), false, 'nav_help');
         $this->elementEnd('ul');
         $this->elementEnd('dd');
         $this->elementEnd('dl');
@@ -511,12 +524,16 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
+
     function showAside()
     {
         $this->elementStart('div', array('id' => 'aside_primary',
                                          'class' => 'aside'));
         $this->showExportData();
-        $this->showSections();
+        if (Event::handle('StartShowSections', array($this))) {
+            $this->showSections();
+            Event::handle('EndShowSections', array($this));
+        }
         $this->elementEnd('div');
     }
 
@@ -570,18 +587,21 @@ class Action extends HTMLOutputter // lawsuit
         $this->element('dt', null, _('Secondary site navigation'));
         $this->elementStart('dd', null);
         $this->elementStart('ul', array('class' => 'nav'));
-        $this->menuItem(common_local_url('doc', array('title' => 'help')),
-                        _('Help'));
-        $this->menuItem(common_local_url('doc', array('title' => 'about')),
-                        _('About'));
-        $this->menuItem(common_local_url('doc', array('title' => 'faq')),
-                        _('FAQ'));
-        $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
-                        _('Privacy'));
-        $this->menuItem(common_local_url('doc', array('title' => 'source')),
-                        _('Source'));
-        $this->menuItem(common_local_url('doc', array('title' => 'contact')),
-                        _('Contact'));
+        if (Event::handle('StartSecondaryNav', array($this))) {
+            $this->menuItem(common_local_url('doc', array('title' => 'help')),
+                            _('Help'));
+            $this->menuItem(common_local_url('doc', array('title' => 'about')),
+                            _('About'));
+            $this->menuItem(common_local_url('doc', array('title' => 'faq')),
+                            _('FAQ'));
+            $this->menuItem(common_local_url('doc', array('title' => 'privacy')),
+                            _('Privacy'));
+            $this->menuItem(common_local_url('doc', array('title' => 'source')),
+                            _('Source'));
+            $this->menuItem(common_local_url('doc', array('title' => 'contact')),
+                            _('Contact'));
+            Event::handle('EndSecondaryNav', array($this));
+        }
         $this->elementEnd('ul');
         $this->elementEnd('dd');
         $this->elementEnd('dl');
@@ -789,11 +809,12 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
+
     function serverError($msg, $code=500)
     {
         $action = $this->trimmed('action');
         common_debug("Server error '$code' on '$action': $msg", __FILE__);
-        common_server_error($msg, $code);
+        throw new ServerException($msg, $code);
     }
 
     /**
@@ -804,11 +825,12 @@ class Action extends HTMLOutputter // lawsuit
      *
      * @return nothing
      */
+
     function clientError($msg, $code=400)
     {
         $action = $this->trimmed('action');
         common_debug("User error '$code' on '$action': $msg", __FILE__);
-        common_user_error($msg, $code);
+        throw new ClientException($msg, $code);
     }
 
     /**
diff --git a/lib/clientexception.php b/lib/clientexception.php
new file mode 100644
index 000000000..3020d7f50
--- /dev/null
+++ b/lib/clientexception.php
@@ -0,0 +1,56 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * class for a client exception (user error)
+ *
+ * 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  Exception
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @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);
+}
+
+/**
+ * Class for client exceptions
+ *
+ * Subclass of PHP Exception for user errors.
+ *
+ * @category Exception
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class ClientException extends Exception
+{
+    public function __construct($message = null, $code = 400) {
+        parent::__construct($message, $code);
+    }
+
+    // custom string representation of object
+    public function __toString() {
+        return __CLASS__ . ": [{$this->code}]: {$this->message}\n";
+    }
+}
diff --git a/lib/common.php b/lib/common.php
index 5b4e3c40c..7bfd14c42 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -49,6 +49,12 @@ require_once('DB/DataObject/Cast.php'); # for dates
 
 require_once(INSTALLDIR.'/lib/language.php');
 
+// This gets included before the config file, so that admin code and plugins
+// can use it
+
+require_once(INSTALLDIR.'/lib/event.php');
+require_once(INSTALLDIR.'/lib/plugin.php');
+
 // try to figure out where we are
 
 $_server = array_key_exists('SERVER_NAME', $_SERVER) ?
@@ -177,6 +183,8 @@ foreach ($_config_files as $_config_file) {
     }
 }
 
+// XXX: how many of these could be auto-loaded on use?
+
 require_once('Validate.php');
 require_once('markdown.php');
 
@@ -188,6 +196,9 @@ require_once(INSTALLDIR.'/lib/subs.php');
 require_once(INSTALLDIR.'/lib/Shorturl_api.php');
 require_once(INSTALLDIR.'/lib/twitter.php');
 
+require_once(INSTALLDIR.'/lib/clientexception.php');
+require_once(INSTALLDIR.'/lib/serverexception.php');
+
 // XXX: other formats here
 
 define('NICKNAME_FMT', VALIDATE_NUM.VALIDATE_ALPHA_LOWER);
@@ -200,5 +211,12 @@ function __autoload($class)
         require_once(INSTALLDIR.'/classes/' . $class . '.php');
     } else if (file_exists(INSTALLDIR.'/lib/' . strtolower($class) . '.php')) {
         require_once(INSTALLDIR.'/lib/' . strtolower($class) . '.php');
+    } else if (mb_substr($class, -6) == 'Action' &&
+               file_exists(INSTALLDIR.'/actions/' . strtolower(mb_substr($class, 0, -6)) . '.php')) {
+        require_once(INSTALLDIR.'/actions/' . strtolower(mb_substr($class, 0, -6)) . '.php');
     }
 }
+
+// Give plugins a chance to initialize in a fully-prepared environment
+
+Event::handle('InitializePlugin');
diff --git a/lib/event.php b/lib/event.php
new file mode 100644
index 000000000..d815ae54b
--- /dev/null
+++ b/lib/event.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * utilities for defining and running event handlers
+ *
+ * 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  Event
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @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);
+}
+
+/**
+ * Class for events
+ *
+ * This "class" two static functions for managing events in the Laconica code.
+ *
+ * @category Event
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ *
+ * @todo     Define a system for using Event instances
+ */
+
+class Event {
+
+    /* Global array of hooks, mapping eventname => array of callables */
+
+    protected static $_handlers = array();
+
+    /**
+     * Add an event handler
+     *
+     * To run some code at a particular point in Laconica processing.
+     * Named events include receiving an XMPP message, adding a new notice,
+     * or showing part of an HTML page.
+     *
+     * The arguments to the handler vary by the event. Handlers can return
+     * two possible values: false means that the event has been replaced by
+     * the handler completely, and no default processing should be done.
+     * Non-false means successful handling, and that the default processing
+     * should succeed. (Note that this only makes sense for some events.)
+     *
+     * Handlers can also abort processing by throwing an exception; these will
+     * be caught by the closest code and displayed as errors.
+     *
+     * @param string   $name    Name of the event
+     * @param callable $handler Code to run
+     *
+     * @return void
+     */
+
+    public static function addHandler($name, $handler) {
+        if (array_key_exists($name, Event::$_handlers)) {
+            Event::$_handlers[$name][] = $handler;
+        } else {
+            Event::$_handlers[$name] = array($handler);
+        }
+    }
+
+    /**
+     * Handle an event
+     *
+     * Events are any point in the code that we want to expose for admins
+     * or third-party developers to use.
+     *
+     * We pass in an array of arguments (including references, for stuff
+     * that can be changed), and each assigned handler gets run with those
+     * arguments. Exceptions can be thrown to indicate an error.
+     *
+     * @param string $name Name of the event that's happening
+     * @param array  $args Arguments for handlers
+     *
+     * @return boolean flag saying whether to continue processing, based
+     *                 on results of handlers.
+     */
+
+    public static function handle($name, $args=array()) {
+        $result = null;
+        if (array_key_exists($name, Event::$_handlers)) {
+            foreach (Event::$_handlers[$name] as $handler) {
+                $result = call_user_func_array($handler, $args);
+                if ($result === false) {
+                    break;
+                }
+            }
+        }
+        return ($result !== false);
+    }
+}
diff --git a/lib/htmloutputter.php b/lib/htmloutputter.php
index 7780b1c19..e2319b1fd 100644
--- a/lib/htmloutputter.php
+++ b/lib/htmloutputter.php
@@ -255,7 +255,7 @@ class HTMLOutputter extends XMLOutputter
         foreach ($content as $value => $option) {
             if ($value == $selected) {
                 $this->element('option', array('value' => $value,
-                                               'selected' => $value),
+                                               'selected' => 'selected'),
                                $option);
             } else {
                 $this->element('option', array('value' => $value), $option);
diff --git a/lib/imagefile.php b/lib/imagefile.php
index ea24029a3..0c93b257e 100644
--- a/lib/imagefile.php
+++ b/lib/imagefile.php
@@ -68,17 +68,17 @@ class ImageFile
     static function fromUpload($param='upload')
     {
         switch ($_FILES[$param]['error']) {
-        case UPLOAD_ERR_OK: // success, jump out
+         case UPLOAD_ERR_OK: // success, jump out
             break;
-        case UPLOAD_ERR_INI_SIZE:
-        case UPLOAD_ERR_FORM_SIZE:
+         case UPLOAD_ERR_INI_SIZE:
+         case UPLOAD_ERR_FORM_SIZE:
             throw new Exception(sprintf(_('That file is too big. The maximum file size is %d.'), $this->maxFileSize()));
             return;
-        case UPLOAD_ERR_PARTIAL:
+         case UPLOAD_ERR_PARTIAL:
             @unlink($_FILES[$param]['tmp_name']);
             throw new Exception(_('Partial upload.'));
             return;
-        default:
+         default:
             throw new Exception(_('System error uploading file.'));
             return;
         }
@@ -112,19 +112,19 @@ class ImageFile
             throw new Exception(_('Lost our file.'));
             return;
         }
-        
+
         // Don't crop/scale if it isn't necessary
-        if ($size === $this->width 
-            && $size === $this->height 
-            && $x === 0 
-            && $y === 0 
+        if ($size === $this->width
+            && $size === $this->height
+            && $x === 0
+            && $y === 0
             && $w === $this->width
             && $h === $this->height) {
-            
+
             $outname = Avatar::filename($this->id,
-                                                image_type_to_extension($this->type),
-                                                $size,
-                                                common_timestamp());
+                                        image_type_to_extension($this->type),
+                                        $size,
+                                        common_timestamp());
             $outpath = Avatar::path($outname);
             @copy($this->filepath, $outpath);
             return $outname;
@@ -171,9 +171,9 @@ class ImageFile
         imagecopyresampled($image_dest, $image_src, 0, 0, $x, $y, $size, $size, $w, $h);
 
         $outname = Avatar::filename($this->id,
-                                          image_type_to_extension($this->type),
-                                          $size,
-                                          common_timestamp());
+                                    image_type_to_extension($this->type),
+                                    $size,
+                                    common_timestamp());
 
         $outpath = Avatar::path($outname);
 
@@ -191,7 +191,7 @@ class ImageFile
             throw new Exception(_('Unknown file type'));
             return;
         }
-        
+
         imagedestroy($image_src);
         imagedestroy($image_dest);
 
@@ -229,12 +229,12 @@ class ImageFile
         $num = substr($str, 0, -1);
 
         switch(strtoupper($unit)){
-            case 'G':
-                $num *= 1024;
-            case 'M':
-                $num *= 1024;
-            case 'K':
-                $num *= 1024;
+         case 'G':
+            $num *= 1024;
+         case 'M':
+            $num *= 1024;
+         case 'K':
+            $num *= 1024;
         }
 
         return $num;
diff --git a/lib/plugin.php b/lib/plugin.php
new file mode 100644
index 000000000..7b2436e54
--- /dev/null
+++ b/lib/plugin.php
@@ -0,0 +1,79 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Utility class for plugins
+ *
+ * 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    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @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);
+}
+
+/**
+ * Base class for plugins
+ *
+ * A base class for Laconica plugins. Mostly a light wrapper around
+ * the Event framework.
+ *
+ * Subclasses of Plugin will automatically handle an event if they define
+ * a method called "onEventName". (Well, OK -- only if they call parent::__construct()
+ * in their constructors.)
+ *
+ * They will also automatically handle the InitializePlugin and CleanupPlugin with the
+ * initialize() and cleanup() methods, respectively.
+ *
+ * @category Plugin
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ *
+ * @see      Event
+ */
+
+class Plugin
+{
+    function __construct()
+    {
+        Event::addHandler('InitializePlugin', array($this, 'initialize'));
+        Event::addHandler('CleanupPlugin', array($this, 'cleanup'));
+
+        foreach (get_class_methods($this) as $method) {
+            if (mb_substr($method, 0, 2) == 'on') {
+                Event::addHandler(mb_substr($method, 2), array($this, $method));
+            }
+        }
+    }
+
+    function initialize()
+    {
+        return true;
+    }
+
+    function cleanup()
+    {
+        return true;
+    }
+}
diff --git a/lib/serverexception.php b/lib/serverexception.php
new file mode 100644
index 000000000..b8ed6846e
--- /dev/null
+++ b/lib/serverexception.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * class for a server exception (user error)
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Exception
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Class for server exceptions
+ *
+ * Subclass of PHP Exception for server errors. The user typically can't fix these.
+ *
+ * @category Exception
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class ServerException extends Exception
+{
+    public function __construct($message = null, $code = 400) {
+        parent::__construct($message, $code);
+    }
+
+    public function __toString() {
+        return __CLASS__ . ": [{$this->code}]: {$this->message}\n";
+    }
+}
diff --git a/lib/util.php b/lib/util.php
index 5204693bc..be92f422f 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -481,7 +481,7 @@ function common_linkify($url) {
     }
     else $title = '';
 
-    return "<a href=\"$url\" $title class=\"extlink\">$display</a>";
+    return "<a href=\"$url\" $title rel=\"external\">$display</a>";
 }
 
 function common_longurl($short_url)
diff --git a/plugins/GoogleAnalyticsPlugin.php b/plugins/GoogleAnalyticsPlugin.php
new file mode 100644
index 000000000..87a70e31e
--- /dev/null
+++ b/plugins/GoogleAnalyticsPlugin.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Plugin to use Google Analytics
+ *
+ * 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    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @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);
+}
+
+/**
+ * Plugin to use Google Analytics
+ *
+ * This plugin will spoot out the correct JavaScript spell to invoke Google Analytics on a page.
+ *
+ * Note that Google Analytics is not compatible with the Franklin Street Statement; consider using
+ * Pikiw (http://www.pikiw.org/) instead!
+ *
+ * @category Plugin
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ *
+ * @see      Event
+ */
+
+class GoogleAnalyticsPlugin extends Plugin
+{
+    var $code = null;
+
+    function __construct($code=null)
+    {
+        $this->code = $code;
+        parent::__construct();
+    }
+
+    function onEndShowScripts($action)
+    {
+        $js1 = 'var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");'.
+          'document.write(unescape("%3Cscript src=\'" + gaJsHost + "google-analytics.com/ga.js\' type=\'text/javascript\'%3E%3C/script%3E"));';
+        $js2 = sprintf('try{'.
+                       'var pageTracker = _gat._getTracker("%s");'.
+                       'pageTracker._trackPageview();'.
+                       '} catch(err) {}',
+                       $this->code);
+        $action->elementStart('script', array('type' => 'text/javascript'));
+        $action->raw($js1);
+        $action->elementEnd('script');
+        $action->elementStart('script', array('type' => 'text/javascript'));
+        $action->raw($js2);
+        $action->elementEnd('script');
+    }
+}
diff --git a/scripts/update_facebook.php b/scripts/update_facebook.php
index 141bcfe0c..60e10417f 100755
--- a/scripts/update_facebook.php
+++ b/scripts/update_facebook.php
@@ -34,22 +34,19 @@ require_once INSTALLDIR . '/lib/facebookutil.php';
 $last_updated_file = INSTALLDIR . '/scripts/facebook_last_updated';
 
 // Lock file name
-$tmp_file = INSTALLDIR . '/scripts/update_facebook.lock';
+$lock_file = INSTALLDIR . '/scripts/update_facebook.lock';
 
 // Make sure only one copy of the script is running at a time
-if (!($tmp_file = @fopen($tmp_file, "w")))
-{
-	die("Can't open lock file. Script already running?");
+$lock_file = @fopen($lock_file, "w+");
+if (!flock( $lock_file, LOCK_EX | LOCK_NB, &$wouldblock) || $wouldblock) {
+    die("Can't open lock file. Script already running?\n");
 }
 
 $facebook = getFacebook();
-
 $current_time = time();
-
 $since = getLastUpdated();
-
+updateLastUpdated($current_time);
 $notice = getFacebookNotices($since);
-
 $cnt = 0;
 
 while($notice->fetch()) {
@@ -73,26 +70,30 @@ while($notice->fetch()) {
              
                 // Avoid a Loop
                 if ($notice->source != 'Facebook') {
-                    updateStatus($fbuid, $content);
-                    updateProfileBox($facebook, $flink, $notice);
-                    $cnt++;
+                    
+                    try {
+                        $facebook->api_client->users_setStatus($content, 
+                            $fbuid, false, true);
+                        updateProfileBox($facebook, $flink, $notice);
+                        $cnt++;
+                    } catch(FacebookRestClientException $e) {
+                        print "Couldn't sent notice $notice->id!\n";
+                        print $e->getMessage();
+
+                        // Remove flink?
+                    }
                 }
-            }
+        }
     }
 }
 
 if ($cnt > 0) {
     print date('r', $current_time) . 
-	": Found $cnt new notices to send to Facebook since last run at " . 
-	 date('Y-m-d H:i:s', $since) . "\n";
-
+    ": Found $cnt new notices for Facebook since last run at " . 
+     date('r', $since) . "\n";
 }
 
-#Save the last updated time. It needs to do this even if there were no
-#changes made, otherwise it will never create it and thus never send
-#any updates at all.
-updateLastUpdated($current_time);
-
+fclose($lock_file);
 exit(0);
 
 
@@ -111,37 +112,30 @@ function userCanUpdate($fbuid) {
     return $result;
 }
 
-
-function updateStatus($fbuid, $content) {
-    global $facebook;
-
-    try {
-        $result = $facebook->api_client->users_setStatus($content, $fbuid, false, true);
-    } catch(FacebookRestClientException $e){
-    	print_r($e);
-    }
-}
-
 function getLastUpdated(){
-	global $last_updated_file, $current_time;
-
-	$file = fopen($last_updated_file, 'r');
-
-	if ($file) {
-	    $last = fgets($file);
-	} else {
-	    print "Unable to read $last_updated_file. Using current time.\n";
-	    return $current_time;
-	}
-
-	fclose($file);
-
-	return $last;
+    global $last_updated_file, $current_time;
+    $last = $current_time;
+
+    if (file_exists($last_updated_file) && 
+        ($file = fopen($last_updated_file, 'r'))) {
+            $last = fgets($file);
+    } else {
+        print "$last_updated_file doesn't exit. Trying to create it...\n";
+        $file = fopen($last_updated_file, 'w+') or 
+            die("Can't open $last_updated_file for writing!\n");
+        print 'Success. Using current time (' . date('r', $last) . 
+            ") to look for new notices.\n";
+    }
+    
+    fclose($file);
+    return $last;
 }
 
 function updateLastUpdated($time){
-	global $last_updated_file;
-	$file = fopen($last_updated_file, 'w') or die("Can't open $last_updated_file for writing!");
-	fwrite($file, $time);
-	fclose($file);
+    global $last_updated_file;
+    $file = fopen($last_updated_file, 'w') or
+        die("Can't open $last_updated_file for writing!");
+    fwrite($file, $time);
+    fclose($file);
 }
+