Merge branch 'testing' of gitorious.org:statusnet/mainline into 0.9.x

24 files changed, 1850 insertions, 85 deletions

diff --git a/actions/apidirectmessage.php b/actions/apidirectmessage.php
index 53da9e0c6..7a0f46274 100644
--- a/actions/apidirectmessage.php
+++ b/actions/apidirectmessage.php
@@ -232,7 +232,8 @@ class ApiDirectMessageAction extends ApiAuthAction
     function showXmlDirectMessages()
     {
         $this->initDocument('xml');
-        $this->elementStart('direct-messages', array('type' => 'array'));
+        $this->elementStart('direct-messages', array('type' => 'array',
+                                                     'xmlns:statusnet' => 'http://status.net/schema/api/1/'));
 
         foreach ($this->messages as $m) {
             $dm_array = $this->directMessageArray($m);
diff --git a/actions/apistatusesdestroy.php b/actions/apistatusesdestroy.php
index 8d9469063..0dfeb4812 100644
--- a/actions/apistatusesdestroy.php
+++ b/actions/apistatusesdestroy.php
@@ -100,32 +100,43 @@ class ApiStatusesDestroyAction extends ApiAuthAction
         parent::handle($args);
 
         if (!in_array($this->format, array('xml', 'json'))) {
-             $this->clientError(_('API method not found.'), $code = 404);
-             return;
+            $this->clientError(
+                _('API method not found.'),
+                404
+            );
+            return;
         }
 
-         if (!in_array($_SERVER['REQUEST_METHOD'], array('POST', 'DELETE'))) {
-             $this->clientError(_('This method requires a POST or DELETE.'),
-                 400, $this->format);
-             return;
-         }
-
-         if (empty($this->notice)) {
-             $this->clientError(_('No status found with that ID.'),
-                 404, $this->format);
-             return;
-         }
-
-         if ($this->user->id == $this->notice->profile_id) {
-             $replies = new Reply;
-             $replies->get('notice_id', $this->notice_id);
-             $replies->delete();
-             $this->notice->delete();
-	     $this->showNotice();
-         } else {
-             $this->clientError(_('You may not delete another user\'s status.'),
-                 403, $this->format);
-         }
+        if (!in_array($_SERVER['REQUEST_METHOD'], array('POST', 'DELETE'))) {
+            $this->clientError(
+                _('This method requires a POST or DELETE.'),
+                400,
+                $this->format
+            );
+            return;
+        }
+
+        if (empty($this->notice)) {
+            $this->clientError(
+                _('No status found with that ID.'),
+                404, $this->format
+            );
+            return;
+        }
+
+        if ($this->user->id == $this->notice->profile_id) {
+            $replies = new Reply;
+            $replies->get('notice_id', $this->notice_id);
+            $replies->delete();
+            $this->notice->delete();
+	        $this->showNotice();
+        } else {
+            $this->clientError(
+                _('You may not delete another user\'s status.'),
+                403,
+                $this->format
+            );
+        }
     }
 
     /**
diff --git a/actions/apiusershow.php b/actions/apiusershow.php
index 6c8fad49b..28993102c 100644
--- a/actions/apiusershow.php
+++ b/actions/apiusershow.php
@@ -113,7 +113,7 @@ class ApiUserShowAction extends ApiPrivateAuthAction
 
         if ($this->format == 'xml') {
             $this->initDocument('xml');
-            $this->showTwitterXmlUser($twitter_user);
+            $this->showTwitterXmlUser($twitter_user, 'user', true);
             $this->endDocument('xml');
         } elseif ($this->format == 'json') {
             $this->initDocument('json');
diff --git a/actions/designadminpanel.php b/actions/designadminpanel.php
index 8c08581b5..763737175 100644
--- a/actions/designadminpanel.php
+++ b/actions/designadminpanel.php
@@ -126,9 +126,19 @@ class DesignadminpanelAction extends AdminPanelAction
             return;
         }
 
-        // check for an image upload
+        // check for file uploads
 
         $bgimage = $this->saveBackgroundImage();
+        $customTheme = $this->saveCustomTheme();
+
+        $oldtheme = common_config('site', 'theme');
+        if ($customTheme) {
+            // This feels pretty hacky :D
+            $this->args['theme'] = $customTheme;
+            $themeChanged = true;
+        } else {
+            $themeChanged = ($this->trimmed('theme') != $oldtheme);
+        }
 
         static $settings = array('theme', 'logo');
 
@@ -140,15 +150,13 @@ class DesignadminpanelAction extends AdminPanelAction
 
         $this->validate($values);
 
-        $oldtheme = common_config('site', 'theme');
-
         $config = new Config();
 
         $config->query('BEGIN');
 
         // Only update colors if the theme has not changed.
 
-        if ($oldtheme == $values['theme']) {
+        if (!$themeChanged) {
 
             $bgcolor = new WebColor($this->trimmed('design_background'));
             $ccolor  = new WebColor($this->trimmed('design_content'));
@@ -190,6 +198,13 @@ class DesignadminpanelAction extends AdminPanelAction
             Config::save('design', 'backgroundimage', $bgimage);
         }
 
+        if (common_config('custom_css', 'enabled')) {
+            $css = $this->arg('css');
+            if ($css != common_config('custom_css', 'css')) {
+                Config::save('custom_css', 'css', $css);
+            }
+        }
+
         $config->query('COMMIT');
     }
 
@@ -264,6 +279,33 @@ class DesignadminpanelAction extends AdminPanelAction
     }
 
     /**
+     * Save the custom theme if the user uploaded one.
+     * 
+     * @return mixed custom theme name, if succesful, or null if no theme upload.
+     * @throws ClientException for invalid theme archives
+     * @throws ServerException if trouble saving the theme files
+     */
+
+    function saveCustomTheme()
+    {
+        if (common_config('theme_upload', 'enabled') &&
+            $_FILES['design_upload_theme']['error'] == UPLOAD_ERR_OK) {
+
+            $upload = ThemeUploader::fromUpload('design_upload_theme');
+            $basedir = common_config('local', 'dir');
+            if (empty($basedir)) {
+                $basedir = INSTALLDIR . '/local';
+            }
+            $name = 'custom'; // @todo allow multiples, custom naming?
+            $outdir = $basedir . '/theme/' . $name;
+            $upload->extract($outdir);
+            return $name;
+        } else {
+            return null;
+        }
+    }
+
+    /**
      * Attempt to validate setting values
      *
      * @return void
@@ -371,7 +413,15 @@ class DesignAdminPanelForm extends AdminForm
 
     function formData()
     {
+        $this->showLogo();
+        $this->showTheme();
+        $this->showBackground();
+        $this->showColors();
+        $this->showAdvanced();
+    }
 
+    function showLogo()
+    {
         $this->out->elementStart('fieldset', array('id' => 'settings_design_logo'));
         $this->out->element('legend', null, _('Change logo'));
 
@@ -384,6 +434,11 @@ class DesignAdminPanelForm extends AdminForm
         $this->out->elementEnd('ul');
 
         $this->out->elementEnd('fieldset');
+
+    }
+
+    function showTheme()
+    {
         $this->out->elementStart('fieldset', array('id' => 'settings_design_theme'));
         $this->out->element('legend', null, _('Change theme'));
 
@@ -407,10 +462,23 @@ class DesignAdminPanelForm extends AdminForm
                              false, $this->value('theme'));
         $this->unli();
 
+        if (common_config('theme_upload', 'enabled')) {
+            $this->li();
+            $this->out->element('label', array('for' => 'design_upload_theme'), _('Custom theme'));
+            $this->out->element('input', array('id' => 'design_upload_theme',
+                                               'name' => 'design_upload_theme',
+                                               'type' => 'file'));
+            $this->out->element('p', 'form_guide', _('You can upload a custom StatusNet theme as a .ZIP archive.'));
+            $this->unli();
+        }
+
         $this->out->elementEnd('ul');
 
         $this->out->elementEnd('fieldset');
+    }
 
+    function showBackground()
+    {
         $design = $this->out->design;
 
         $this->out->elementStart('fieldset', array('id' =>
@@ -486,6 +554,11 @@ class DesignAdminPanelForm extends AdminForm
 
         $this->out->elementEnd('ul');
         $this->out->elementEnd('fieldset');
+    }
+
+    function showColors()
+    {
+        $design = $this->out->design;
 
         $this->out->elementStart('fieldset', array('id' => 'settings_design_color'));
         $this->out->element('legend', null, _('Change colours'));
@@ -493,6 +566,7 @@ class DesignAdminPanelForm extends AdminForm
         $this->out->elementStart('ul', 'form_data');
 
         try {
+            // @fixme avoid loop unrolling in non-performance-critical contexts like this
 
             $bgcolor = new WebColor($design->backgroundcolor);
 
@@ -560,6 +634,7 @@ class DesignAdminPanelForm extends AdminForm
             $this->unli();
 
         } catch (WebColorException $e) {
+            // @fixme normalize them individually!
             common_log(LOG_ERR, 'Bad color values in site design: ' .
                 $e->getMessage());
         }
@@ -569,6 +644,27 @@ class DesignAdminPanelForm extends AdminForm
         $this->out->elementEnd('ul');
     }
 
+    function showAdvanced()
+    {
+        if (common_config('custom_css', 'enabled')) {
+            $this->out->elementStart('fieldset', array('id' => 'settings_design_advanced'));
+            $this->out->element('legend', null, _('Advanced'));
+            $this->out->elementStart('ul', 'form_data');
+
+            $this->li();
+            $this->out->element('label', array('for' => 'css'), _('Custom CSS'));
+            $this->out->element('textarea', array('name' => 'css',
+                                            'id' => 'css',
+                                            'cols' => '50',
+                                            'rows' => '10'),
+                                strval(common_config('custom_css', 'css')));
+            $this->unli();
+
+            $this->out->elementEnd('fieldset');
+            $this->out->elementEnd('ul');
+        }
+    }
+
     /**
      * Action elements
      *
diff --git a/actions/foaf.php b/actions/foaf.php
index 2f054de0c..09af7b502 100644
--- a/actions/foaf.php
+++ b/actions/foaf.php
@@ -154,7 +154,9 @@ class FoafAction extends Action
         }
 
         $person = $this->showMicrobloggingAccount($this->profile,
-                                     common_root_url(), $this->user->uri, false);
+                                     common_root_url(), $this->user->uri,
+                                     /*$fetchSubscriptions*/true,
+                                     /*$isSubscriber*/false);
 
         // Get people who subscribe to user
 
@@ -209,7 +211,8 @@ class FoafAction extends Action
             $this->showMicrobloggingAccount($profile,
                                    ($local == 'local') ? common_root_url() : null,
                                    $uri,
-                                   true);
+                                   /*$fetchSubscriptions*/false,
+                                   /*$isSubscriber*/($type == LISTENER || $type == BOTH));
             if ($foaf_url) {
                 $this->element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
             }
@@ -234,7 +237,21 @@ class FoafAction extends Action
         $this->elementEnd('PersonalProfileDocument');
     }
 
-    function showMicrobloggingAccount($profile, $service=null, $useruri=null, $isSubscriber=false)
+    /**
+     * Output FOAF <account> bit for the given profile.
+     * 
+     * @param Profile $profile
+     * @param mixed $service Root URL of this StatusNet instance for a local
+     *                       user, otherwise null.
+     * @param mixed $useruri URI string for the referenced profile..
+     * @param boolean $fetchSubscriptions Should we load and list all their subscriptions?
+     * @param boolean $isSubscriber if not fetching subs, we can still mark the user as following the current page.
+     * 
+     * @return array if $fetchSubscribers is set, return a list of info on those
+     *               subscriptions.
+     */
+
+    function showMicrobloggingAccount($profile, $service=null, $useruri=null, $fetchSubscriptions=false, $isSubscriber=false)
     {
         $attr = array();
         if ($useruri) {
@@ -256,9 +273,7 @@ class FoafAction extends Action
 
         $person = array();
 
-        if ($isSubscriber) {
-             $this->element('sioc:follows', array('rdf:resource'=>$this->user->uri . '#acct'));
-        } else {
+        if ($fetchSubscriptions) {
             // Get people user is subscribed to
             $sub = new Subscription();
             $sub->subscriber = $profile->id;
@@ -283,6 +298,9 @@ class FoafAction extends Action
             }
 
             unset($sub);
+        } else if ($isSubscriber) {
+            // Just declare that they follow the user whose FOAF we're showing.
+            $this->element('sioc:follows', array('rdf:resource' => $this->user->uri . '#acct'));
         }
 
         $this->elementEnd('OnlineAccount');
diff --git a/classes/Memcached_DataObject.php b/classes/Memcached_DataObject.php
index 0836c2019..4579f64df 100644
--- a/classes/Memcached_DataObject.php
+++ b/classes/Memcached_DataObject.php
@@ -128,12 +128,13 @@ class Memcached_DataObject extends Safe_DataObject
     }
 
     static function cacheKey($cls, $k, $v) {
-        if (is_object($cls) || is_object($k) || is_object($v)) {
+        if (is_object($cls) || is_object($k) || (is_object($v) && !($v instanceof DB_DataObject_Cast))) {
             $e = new Exception();
             common_log(LOG_ERR, __METHOD__ . ' object in param: ' .
                 str_replace("\n", " ", $e->getTraceAsString()));
         }
-        return common_cache_key(strtolower($cls).':'.$k.':'.$v);
+        $vstr = self::valueString($v);
+        return common_cache_key(strtolower($cls).':'.$k.':'.$vstr);
     }
 
     static function getcached($cls, $k, $v) {
@@ -229,10 +230,10 @@ class Memcached_DataObject extends Safe_DataObject
                 if (empty($this->$key)) {
                     continue;
                 }
-                $ckeys[] = $this->cacheKey($this->tableName(), $key, $this->$key);
+                $ckeys[] = $this->cacheKey($this->tableName(), $key, self::valueString($this->$key));
             } else if ($type == 'K' || $type == 'N') {
                 $pkey[] = $key;
-                $pval[] = $this->$key;
+                $pval[] = self::valueString($this->$key);
             } else {
                 throw new Exception("Unknown key type $key => $type for " . $this->tableName());
             }
@@ -351,7 +352,7 @@ class Memcached_DataObject extends Safe_DataObject
      * low-level database function and add a comment to the
      * query string. This should then be visible in process lists
      * and slow query logs, to help identify problem areas.
-     * 
+     *
      * Also marks whether this was a web GET/POST or which daemon
      * was running it.
      *
@@ -604,5 +605,30 @@ class Memcached_DataObject extends Safe_DataObject
 
         return $c->set($cacheKey, $value);
     }
+
+    static function valueString($v)
+    {
+        $vstr = null;
+        if (is_object($v) && $v instanceof DB_DataObject_Cast) {
+            switch ($v->type) {
+            case 'date':
+                $vstr = $v->year . '-' . $v->month . '-' . $v->day;
+                break;
+            case 'blob':
+            case 'string':
+            case 'sql':
+            case 'datetime':
+            case 'time':
+                throw new ServerException("Unhandled DB_DataObject_Cast type passed as cacheKey value: '$v->type'");
+                break;
+            default:
+                throw new ServerException("Unknown DB_DataObject_Cast type passed as cacheKey value: '$v->type'");
+                break;
+            }
+        } else {
+            $vstr = strval($v);
+        }
+        return $vstr;
+    }
 }
 
diff --git a/classes/Notice.php b/classes/Notice.php
index cf6f9c279..fd8ad5493 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -1254,6 +1254,8 @@ class Notice extends Memcached_DataObject
 
         if (!empty($cur)) {
             $noticeInfoAttr['favorite'] = ($cur->hasFave($this)) ? "true" : "false";
+	    $profile = $cur->getProfile();
+	    $noticeInfoAttr['repeated'] = ($profile->hasRepeated($this->id)) ? "true" : "false";
         }
 
         if (!empty($this->repeat_of)) {
diff --git a/db/notice_source.sql b/db/notice_source.sql
index 5d8664631..f5db37f04 100644
--- a/db/notice_source.sql
+++ b/db/notice_source.sql
@@ -18,6 +18,7 @@ VALUES
     ('Facebook','Facebook','http://apps.facebook.com/identica/', now()),
     ('feed2omb','feed2omb','http://projects.ciarang.com/p/feed2omb/', now()),
     ('get2gnow', 'get2gnow', 'http://uberchicgeekchick.com/?projects=get2gnow', now()),
+    ('gNewBook', 'gNewBook', 'http://www.gnewbook.org/', now()),
     ('gravity', 'Gravity', 'http://mobileways.de/gravity', now()),
     ('Gwibber','Gwibber','http://launchpad.net/gwibber', now()),
     ('HelloTxt','HelloTxt','http://hellotxt.com/', now()),
diff --git a/lib/action.php b/lib/action.php
index 98e5ec2c9..2b3b707c5 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -235,6 +235,16 @@ class Action extends HTMLOutputter // lawsuit
                 Event::handle('EndShowDesign', array($this));
             }
             Event::handle('EndShowStyles', array($this));
+            
+            if (common_config('custom_css', 'enabled')) {
+                $css = common_config('custom_css', 'css');
+                if (Event::handle('StartShowCustomCss', array($this, &$css))) {
+                    if (trim($css) != '') {
+                        $this->style($css);
+                    }
+                    Event::handle('EndShowCustomCss', array($this));
+                }
+            }
         }
     }
 
diff --git a/lib/adminpanelaction.php b/lib/adminpanelaction.php
index e22804fc8..41cfe5851 100644
--- a/lib/adminpanelaction.php
+++ b/lib/adminpanelaction.php
@@ -284,9 +284,10 @@ class AdminPanelAction extends Action
                 $this->clientError(_("Unable to delete design setting."));
                 return null;
             }
+            return $result;
         }
 
-        return $result;
+        return null;
     }
 
     function canAdmin($name)
diff --git a/lib/apiaction.php b/lib/apiaction.php
index 7085c096b..27df55892 100644
--- a/lib/apiaction.php
+++ b/lib/apiaction.php
@@ -295,6 +295,10 @@ class ApiAction extends Action
             }
         }
 
+        // StatusNet-specific
+
+        $twitter_user['statusnet:profile_url'] = $profile->profileurl;
+
         return $twitter_user;
     }
 
@@ -396,6 +400,10 @@ class ApiAction extends Action
             $twitter_status['user'] = $twitter_user;
         }
 
+        // StatusNet-specific
+
+        $twitter_status['statusnet:html'] = $notice->rendered;
+
         return $twitter_status;
     }
 
@@ -563,9 +571,13 @@ class ApiAction extends Action
         }
     }
 
-    function showTwitterXmlStatus($twitter_status, $tag='status')
+    function showTwitterXmlStatus($twitter_status, $tag='status', $namespaces=false)
     {
-        $this->elementStart($tag);
+        $attrs = array();
+        if ($namespaces) {
+            $attrs['xmlns:statusnet'] = 'http://status.net/schema/api/1/';
+        }
+        $this->elementStart($tag, $attrs);
         foreach($twitter_status as $element => $value) {
             switch ($element) {
             case 'user':
@@ -599,9 +611,13 @@ class ApiAction extends Action
         $this->elementEnd('group');
     }
 
-    function showTwitterXmlUser($twitter_user, $role='user')
+    function showTwitterXmlUser($twitter_user, $role='user', $namespaces=false)
     {
-        $this->elementStart($role);
+        $attrs = array();
+        if ($namespaces) {
+            $attrs['xmlns:statusnet'] = 'http://status.net/schema/api/1/';
+        }
+        $this->elementStart($role, $attrs);
         foreach($twitter_user as $element => $value) {
             if ($element == 'status') {
                 $this->showTwitterXmlStatus($twitter_user['status']);
@@ -683,7 +699,7 @@ class ApiAction extends Action
     {
         $this->initDocument('xml');
         $twitter_status = $this->twitterStatusArray($notice);
-        $this->showTwitterXmlStatus($twitter_status);
+        $this->showTwitterXmlStatus($twitter_status, 'status', true);
         $this->endDocument('xml');
     }
 
@@ -699,7 +715,8 @@ class ApiAction extends Action
     {
 
         $this->initDocument('xml');
-        $this->elementStart('statuses', array('type' => 'array'));
+        $this->elementStart('statuses', array('type' => 'array',
+                                              'xmlns:statusnet' => 'http://status.net/schema/api/1/'));
 
         if (is_array($notice)) {
             foreach ($notice as $n) {
@@ -866,9 +883,13 @@ class ApiAction extends Action
         $this->elementEnd('entry');
     }
 
-    function showXmlDirectMessage($dm)
+    function showXmlDirectMessage($dm, $namespaces=false)
     {
-        $this->elementStart('direct_message');
+        $attrs = array();
+        if ($namespaces) {
+            $attrs['xmlns:statusnet'] = 'http://status.net/schema/api/1/';
+        }
+        $this->elementStart('direct_message', $attrs);
         foreach($dm as $element => $value) {
             switch ($element) {
             case 'sender':
@@ -945,7 +966,7 @@ class ApiAction extends Action
     {
         $this->initDocument('xml');
         $dmsg = $this->directMessageArray($message);
-        $this->showXmlDirectMessage($dmsg);
+        $this->showXmlDirectMessage($dmsg, true);
         $this->endDocument('xml');
     }
 
@@ -1062,7 +1083,8 @@ class ApiAction extends Action
     {
 
         $this->initDocument('xml');
-        $this->elementStart('users', array('type' => 'array'));
+        $this->elementStart('users', array('type' => 'array',
+                                           'xmlns:statusnet' => 'http://status.net/schema/api/1/'));
 
         if (is_array($user)) {
             foreach ($user as $u) {
diff --git a/lib/default.php b/lib/default.php
index 950c6018d..dcf225d1f 100644
--- a/lib/default.php
+++ b/lib/default.php
@@ -141,10 +141,17 @@ $default =
               'dir' => null,
               'path'=> null,
               'ssl' => null),
+        'theme_upload' =>
+        array('enabled' => extension_loaded('zip')),
         'javascript' =>
         array('server' => null,
               'path'=> null,
               'ssl' => null),
+        'local' => // To override path/server for themes in 'local' dir (not currently applied to local plugins)
+        array('server' => null,
+              'dir' => null,
+              'path' => null,
+              'ssl' => null),
         'throttle' =>
         array('enabled' => false, // whether to throttle edits; false by default
               'count' => 20, // number of allowed messages in timespan
@@ -260,6 +267,9 @@ $default =
               'linkcolor' => null,
               'backgroundimage' => null,
               'disposition' => null),
+        'custom_css' =>
+        array('enabled' => true,
+              'css' => ''),
         'notice' =>
         array('contentlimit' => null),
         'message' =>
diff --git a/lib/installer.php b/lib/installer.php
index 1cad2fd20..56b9b6f4a 100644
--- a/lib/installer.php
+++ b/lib/installer.php
@@ -82,9 +82,12 @@ abstract class Installer
     {
         $pass = true;
 
-        if (file_exists(INSTALLDIR.'/config.php')) {
-            $this->warning('Config file "config.php" already exists.');
-            $pass = false;
+        $config = INSTALLDIR.'/config.php';
+        if (file_exists($config)) {
+            if (!is_writable($config) || filesize($config) > 0) {
+                $this->warning('Config file "config.php" already exists.');
+                $pass = false;
+            }
         }
 
         if (version_compare(PHP_VERSION, '5.2.3', '<')) {
diff --git a/lib/router.php b/lib/router.php
index afe44f92a..f2b2b845f 100644
--- a/lib/router.php
+++ b/lib/router.php
@@ -540,7 +540,7 @@ class Router
             $m->connect('api/favorites/:id.:format',
                         array('action' => 'ApiTimelineFavorites',
                               'id' => '[a-zA-Z0-9]+',
-                              'format' => '(xmljson|rss|atom)'));
+                              'format' => '(xml|json|rss|atom)'));
 
             $m->connect('api/favorites/create/:id.:format',
                         array('action' => 'ApiFavoriteCreate',
@@ -597,7 +597,7 @@ class Router
             $m->connect('api/statusnet/groups/timeline/:id.:format',
                         array('action' => 'ApiTimelineGroup',
                               'id' => '[a-zA-Z0-9]+',
-                              'format' => '(xmljson|rss|atom)'));
+                              'format' => '(xml|json|rss|atom)'));
 
             $m->connect('api/statusnet/groups/show.:format',
                         array('action' => 'ApiGroupShow',
@@ -658,7 +658,7 @@ class Router
             // Tags
             $m->connect('api/statusnet/tags/timeline/:tag.:format',
                         array('action' => 'ApiTimelineTag',
-                              'format' => '(xmljson|rss|atom)'));
+                              'format' => '(xml|json|rss|atom)'));
 
             // media related
             $m->connect(
diff --git a/lib/theme.php b/lib/theme.php
index 0be8c3b9d..a9d0cbc84 100644
--- a/lib/theme.php
+++ b/lib/theme.php
@@ -38,6 +38,9 @@ if (!defined('STATUSNET') && !defined('LACONICA')) {
  * Themes are directories with some expected sub-directories and files
  * in them. They're found in either local/theme (for locally-installed themes)
  * or theme/ subdir of installation dir.
+ * 
+ * Note that the 'local' directory can be overridden as $config['local']['path']
+ * and $config['local']['dir'] etc.
  *
  * This used to be a couple of functions, but for various reasons it's nice
  * to have a class instead.
@@ -76,7 +79,7 @@ class Theme
 
         if (file_exists($fulldir) && is_dir($fulldir)) {
             $this->dir  = $fulldir;
-            $this->path = common_path('local/theme/'.$name.'/');
+            $this->path = $this->relativeThemePath('local', 'local', 'theme/' . $name);
             return;
         }
 
@@ -89,42 +92,63 @@ class Theme
         if (file_exists($fulldir) && is_dir($fulldir)) {
 
             $this->dir = $fulldir;
+            $this->path = $this->relativeThemePath('theme', 'theme', $name);
+        }
+    }
 
-            $path = common_config('theme', 'path');
+    /**
+     * Build a full URL to the given theme's base directory, possibly
+     * using an offsite theme server path.
+     * 
+     * @param string $group configuration section name to pull paths from
+     * @param string $fallbackSubdir default subdirectory under INSTALLDIR
+     * @param string $name theme name
+     * 
+     * @return string URL
+     * 
+     * @todo consolidate code with that for other customizable paths
+     */
 
-            if (empty($path)) {
-                $path = common_config('site', 'path') . '/theme/';
-            }
+    protected function relativeThemePath($group, $fallbackSubdir, $name)
+    {
+        $path = common_config($group, 'path');
 
-            if ($path[strlen($path)-1] != '/') {
-                $path .= '/';
+        if (empty($path)) {
+            $path = common_config('site', 'path') . '/';
+            if ($fallbackSubdir) {
+                $path .= $fallbackSubdir . '/';
             }
+        }
 
-            if ($path[0] != '/') {
-                $path = '/'.$path;
-            }
+        if ($path[strlen($path)-1] != '/') {
+            $path .= '/';
+        }
 
-            $server = common_config('theme', 'server');
+        if ($path[0] != '/') {
+            $path = '/'.$path;
+        }
 
-            if (empty($server)) {
-                $server = common_config('site', 'server');
-            }
+        $server = common_config($group, 'server');
 
-            $ssl = common_config('theme', 'ssl');
+        if (empty($server)) {
+            $server = common_config('site', 'server');
+        }
 
-            if (is_null($ssl)) { // null -> guess
-                if (common_config('site', 'ssl') == 'always' &&
-                    !common_config('theme', 'server')) {
-                    $ssl = true;
-                } else {
-                    $ssl = false;
-                }
+        $ssl = common_config($group, 'ssl');
+
+        if (is_null($ssl)) { // null -> guess
+            if (common_config('site', 'ssl') == 'always' &&
+                !common_config($group, 'server')) {
+                $ssl = true;
+            } else {
+                $ssl = false;
             }
+        }
 
-            $protocol = ($ssl) ? 'https' : 'http';
+        $protocol = ($ssl) ? 'https' : 'http';
 
-            $this->path = $protocol . '://'.$server.$path.$name;
-        }
+        $path = $protocol . '://'.$server.$path.$name;
+        return $path;
     }
 
     /**
@@ -236,7 +260,13 @@ class Theme
 
     protected static function localRoot()
     {
-        return INSTALLDIR.'/local/theme';
+        $basedir = common_config('local', 'dir');
+
+        if (empty($basedir)) {
+            $basedir = INSTALLDIR . '/local';
+        }
+
+        return $basedir . '/theme';
     }
 
     /**
diff --git a/lib/themeuploader.php b/lib/themeuploader.php
new file mode 100644
index 000000000..18ef8c4d1
--- /dev/null
+++ b/lib/themeuploader.php
@@ -0,0 +1,311 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Utilities for theme files and paths
+ *
+ * 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  Paths
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Encapsulation of the validation-and-save process when dealing with
+ * a user-uploaded StatusNet theme archive...
+ * 
+ * @todo extract theme metadata from css/display.css
+ * @todo allow saving multiple themes
+ */
+class ThemeUploader
+{
+    protected $sourceFile;
+    protected $isUpload;
+    private $prevErrorReporting;
+
+    public function __construct($filename)
+    {
+        if (!class_exists('ZipArchive')) {
+            throw new Exception(_("This server cannot handle theme uploads without ZIP support."));
+        }
+        $this->sourceFile = $filename;
+    }
+
+    public static function fromUpload($name)
+    {
+        if (!isset($_FILES[$name]['error'])) {
+            throw new ServerException(_("Theme upload missing or failed."));
+        }
+        if ($_FILES[$name]['error'] != UPLOAD_ERR_OK) {
+            throw new ServerException(_("Theme upload missing or failed."));
+        }
+        return new ThemeUploader($_FILES[$name]['tmp_name']);
+    }
+
+    /**
+     * @param string $destDir
+     * @throws Exception on bogus files
+     */
+    public function extract($destDir)
+    {
+        $zip = $this->openArchive();
+
+        // First pass: validate but don't save anything to disk.
+        // Any errors will trip an exception.
+        $this->traverseArchive($zip);
+
+        // Second pass: now that we know we're good, actually extract!
+        $tmpDir = $destDir . '.tmp' . getmypid();
+        $this->traverseArchive($zip, $tmpDir);
+
+        $zip->close();
+
+        if (file_exists($destDir)) {
+            $killDir = $tmpDir . '.old';
+            $this->quiet();
+            $ok = rename($destDir, $killDir);
+            $this->loud();
+            if (!$ok) {
+                common_log(LOG_ERR, "Could not move old custom theme from $destDir to $killDir");
+                throw new ServerException(_("Failed saving theme."));
+            }
+        } else {
+            $killDir = false;
+        }
+
+        $this->quiet();
+        $ok = rename($tmpDir, $destDir);
+        $this->loud();
+        if (!$ok) {
+            common_log(LOG_ERR, "Could not move saved theme from $tmpDir to $destDir");
+            throw new ServerException(_("Failed saving theme."));
+        }
+
+        if ($killDir) {
+            $this->recursiveRmdir($killDir);
+        }
+    }
+
+    /**
+     * 
+     */
+    protected function traverseArchive($zip, $outdir=false)
+    {
+        $sizeLimit = 2 * 1024 * 1024; // 2 megabyte space limit?
+        $blockSize = 4096; // estimated; any entry probably takes this much space
+
+        $totalSize = 0;
+        $hasMain = false;
+        $commonBaseDir = false;
+
+        for ($i = 0; $i < $zip->numFiles; $i++) {
+            $data = $zip->statIndex($i);
+            $name = str_replace('\\', '/', $data['name']);
+
+            if (substr($name, -1) == '/') {
+                // A raw directory... skip!
+                continue;
+            }
+
+            // Check the directory structure...
+            $path = pathinfo($name);
+            $dirs = explode('/', $path['dirname']);
+            $baseDir = array_shift($dirs);
+            if ($commonBaseDir === false) {
+                $commonBaseDir = $baseDir;
+            } else {
+                if ($commonBaseDir != $baseDir) {
+                    throw new ClientException(_("Invalid theme: bad directory structure."));
+                }
+            }
+
+            foreach ($dirs as $dir) {
+                $this->validateFileOrFolder($dir);
+            }
+
+            // Is this a safe or skippable file?
+            if ($this->skippable($path['filename'], $path['extension'])) {
+                // Documentation and such... booooring
+                continue;
+            } else {
+                $this->validateFile($path['filename'], $path['extension']);
+            }
+
+            $fullPath = $dirs;
+            $fullPath[] = $path['basename'];
+            $localFile = implode('/', $fullPath);
+            if ($localFile == 'css/display.css') {
+                $hasMain = true;
+            }
+            
+            $size = $data['size'];
+            $estSize = $blockSize * max(1, intval(ceil($size / $blockSize)));
+            $totalSize += $estSize;
+            if ($totalSize > $sizeLimit) {
+                $msg = sprintf(_("Uploaded theme is too large; " .
+                                 "must be less than %d bytes uncompressed."),
+                                 $sizeLimit);
+                throw new ClientException($msg);
+            }
+
+            if ($outdir) {
+                $this->extractFile($zip, $data['name'], "$outdir/$localFile");
+            }
+        }
+
+        if (!$hasMain) {
+            throw new ClientException(_("Invalid theme archive: " .
+                                        "missing file css/display.css"));
+        }
+    }
+
+    protected function skippable($filename, $ext)
+    {
+        $skip = array('txt', 'rtf', 'doc', 'docx', 'odt');
+        if (strtolower($filename) == 'readme') {
+            return true;
+        }
+        if (in_array(strtolower($ext), $skip)) {
+            return true;
+        }
+        return false;
+    }
+
+    protected function validateFile($filename, $ext)
+    {
+        $this->validateFileOrFolder($filename);
+        $this->validateExtension($ext);
+        // @fixme validate content
+    }
+
+    protected function validateFileOrFolder($name)
+    {
+        if (!preg_match('/^[a-z0-9_-]+$/i', $name)) {
+            $msg = _("Theme contains invalid file or folder name. " .
+                     "Stick with ASCII letters, digits, underscore, and minus sign.");
+            throw new ClientException($msg);
+        }
+        return true;
+    }
+
+    protected function validateExtension($ext)
+    {
+        $allowed = array('css', 'png', 'gif', 'jpg', 'jpeg');
+        if (!in_array(strtolower($ext), $allowed)) {
+            $msg = sprintf(_("Theme contains file of type '.%s', " .
+                             "which is not allowed."),
+                           $ext);
+            throw new ClientException($msg);
+        }
+        return true;
+    }
+
+    /**
+     * @return ZipArchive
+     */
+    protected function openArchive()
+    {
+        $zip = new ZipArchive;
+        $ok = $zip->open($this->sourceFile); 
+        if ($ok !== true) {
+            common_log(LOG_ERR, "Error opening theme zip archive: " .
+                                "{$this->sourceFile} code: {$ok}");
+            throw new Exception(_("Error opening theme archive."));
+        }
+        return $zip;
+    }
+
+    /**
+     * @param ZipArchive $zip
+     * @param string $from original path inside ZIP archive
+     * @param string $to final destination path in filesystem
+     */
+    protected function extractFile($zip, $from, $to)
+    {
+        $dir = dirname($to);
+        if (!file_exists($dir)) {
+            $this->quiet();
+            $ok = mkdir($dir, 0755, true);
+            $this->loud();
+            if (!$ok) {
+                common_log(LOG_ERR, "Failed to mkdir $dir while uploading theme");
+                throw new ServerException(_("Failed saving theme."));
+            }
+        } else if (!is_dir($dir)) {
+            common_log(LOG_ERR, "Output directory $dir not a directory while uploading theme");
+            throw new ServerException(_("Failed saving theme."));
+        }
+
+        // ZipArchive::extractTo would be easier, but won't let us alter
+        // the directory structure.
+        $in = $zip->getStream($from);
+        if (!$in) {
+            common_log(LOG_ERR, "Couldn't open archived file $from while uploading theme");
+            throw new ServerException(_("Failed saving theme."));
+        }
+        $this->quiet();
+        $out = fopen($to, "wb");
+        $this->loud();
+        if (!$out) {
+            common_log(LOG_ERR, "Couldn't open output file $to while uploading theme");
+            throw new ServerException(_("Failed saving theme."));
+        }
+        while (!feof($in)) {
+            $buffer = fread($in, 65536);
+            fwrite($out, $buffer);
+        }
+        fclose($in);
+        fclose($out);
+    }
+
+    private function quiet()
+    {
+        $this->prevErrorReporting = error_reporting();
+        error_reporting($this->prevErrorReporting & ~E_WARNING);
+    }
+
+    private function loud()
+    {
+        error_reporting($this->prevErrorReporting);
+    }
+
+    private function recursiveRmdir($dir)
+    {
+        $list = dir($dir);
+        while (($file = $list->read()) !== false) {
+            if ($file == '.' || $file == '..') {
+                continue;
+            }
+            $full = "$dir/$file";
+            if (is_dir($full)) {
+                $this->recursiveRmdir($full);
+            } else {
+                unlink($full);
+            }
+        }
+        $list->close();
+        rmdir($dir);
+    }
+
+}
diff --git a/plugins/GeonamesPlugin.php b/plugins/GeonamesPlugin.php
index bc5899943..3815a31fa 100644
--- a/plugins/GeonamesPlugin.php
+++ b/plugins/GeonamesPlugin.php
@@ -376,7 +376,7 @@ class GeonamesPlugin extends Plugin
             return true;
         }
 
-        $url = 'http://sw.geonames.org/' . $location->location_id . '/';
+        $url = 'http://sws.geonames.org/' . $location->location_id . '/';
 
         // it's been filled, so don't process further.
         return false;
diff --git a/plugins/Sitemap/SitemapPlugin.php b/plugins/Sitemap/SitemapPlugin.php
new file mode 100644
index 000000000..7ef5f1aa9
--- /dev/null
+++ b/plugins/Sitemap/SitemapPlugin.php
@@ -0,0 +1,163 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Creates a dynamic sitemap for a StatusNet site
+ *
+ * PHP version 5
+ *
+ * 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  Sample
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+/**
+ * Sitemap plugin
+ *
+ * @category  Sample
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class SitemapPlugin extends Plugin
+{
+    const USERS_PER_MAP   = 50000;
+    const NOTICES_PER_MAP = 50000;
+
+    /**
+     * Load related modules when needed
+     *
+     * @param string $cls Name of the class to be loaded
+     *
+     * @return boolean hook value; true means continue processing, false means stop.
+     */
+
+    function onAutoload($cls)
+    {
+        $dir = dirname(__FILE__);
+
+        switch ($cls)
+        {
+        case 'Sitemap_user_count':
+        case 'Sitemap_notice_count':
+            require_once $dir . '/' . $cls . '.php';
+            return false;
+        case 'SitemapindexAction':
+        case 'NoticesitemapAction':
+        case 'UsersitemapAction':
+            require_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
+            return false;
+        case 'SitemapAction':
+            require_once $dir . '/' . strtolower($cls) . '.php';
+            return false;
+        default:
+            return true;
+        }
+    }
+
+    /**
+     * Add sitemap-related information at the end of robots.txt
+     *
+     * @param Action $action Action being run
+     *
+     * @return boolean hook value.
+     */
+
+    function onEndRobotsTxt($action)
+    {
+        $url = common_local_url('sitemapindex');
+
+        print "\nSitemap: $url\n";
+
+        return true;
+    }
+
+    /**
+     * Map URLs to actions
+     *
+     * @param Net_URL_Mapper $m path-to-action mapper
+     *
+     * @return boolean hook value; true means continue processing, false means stop.
+     */
+
+    function onRouterInitialized($m)
+    {
+        $m->connect('sitemapindex.xml',
+                    array('action' => 'sitemapindex'));
+
+        $m->connect('/notice-sitemap-:year-:month-:day-:index.xml',
+                    array('action' => 'noticesitemap'),
+                    array('year' => '[0-9]{4}',
+                          'month' => '[01][0-9]',
+                          'day' => '[0123][0-9]',
+                          'index' => '[1-9][0-9]*'));
+
+        $m->connect('/user-sitemap-:year-:month-:day-:index.xml',
+                    array('action' => 'usersitemap'),
+                    array('year' => '[0-9]{4}',
+                          'month' => '[01][0-9]',
+                          'day' => '[0123][0-9]',
+                          'index' => '[1-9][0-9]*'));
+        return true;
+    }
+
+    /**
+     * Database schema setup
+     *
+     * We cache some data persistently to avoid overlong queries.
+     *
+     * @see Sitemap_user_count
+     * @see Sitemap_notice_count
+     *
+     * @return boolean hook value; true means continue processing, false means stop.
+     */
+
+    function onCheckSchema()
+    {
+        $schema = Schema::get();
+
+        $schema->ensureTable('sitemap_user_count',
+                             array(new ColumnDef('registration_date', 'date', null,
+                                                 true, 'PRI'),
+                                   new ColumnDef('user_count', 'integer'),
+                                   new ColumnDef('created', 'datetime',
+                                                 null, false),
+                                   new ColumnDef('modified', 'timestamp')));
+
+        $schema->ensureTable('sitemap_notice_count',
+                             array(new ColumnDef('notice_date', 'date', null,
+                                                 true, 'PRI'),
+                                   new ColumnDef('notice_count', 'integer'),
+                                   new ColumnDef('created', 'datetime',
+                                                 null, false),
+                                   new ColumnDef('modified', 'timestamp')));
+
+        return true;
+    }
+}
diff --git a/plugins/Sitemap/Sitemap_notice_count.php b/plugins/Sitemap/Sitemap_notice_count.php
new file mode 100644
index 000000000..2a375b3e4
--- /dev/null
+++ b/plugins/Sitemap/Sitemap_notice_count.php
@@ -0,0 +1,288 @@
+<?php
+/**
+ * Data class for counting notice postings by date
+ *
+ * PHP version 5
+ *
+ * @category Data
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, 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/>.
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
+
+/**
+ * Data class for counting notices by date
+ *
+ * We make a separate sitemap for each notice posted by date.
+ * To save ourselves some (not inconsiderable) processing effort,
+ * we cache this data in the sitemap_notice_count table. Each
+ * row represents a day since the site has been started, with a count
+ * of notices posted on that day. Since, after the end of the day,
+ * this number doesn't change, it's a good candidate for persistent caching.
+ *
+ * @category Data
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * @see      DB_DataObject
+ */
+
+class Sitemap_notice_count extends Memcached_DataObject
+{
+    public $__table = 'sitemap_notice_count'; // table name
+
+    public $notice_date;                       // date primary_key not_null
+    public $notice_count;                      // int(4)
+    public $created;
+    public $modified;
+
+    /**
+     * Get an instance by key
+     *
+     * This is a utility method to get a single instance with a given key value.
+     *
+     * @param string $k Key to use to lookup (usually 'notice_id' for this class)
+     * @param mixed  $v Value to lookup
+     *
+     * @return Sitemap_notice_count object found, or null for no hits
+     *
+     */
+
+    function staticGet($k, $v=null)
+    {
+        return Memcached_DataObject::staticGet('Sitemap_notice_count', $k, $v);
+    }
+
+    /**
+     * return table definition for DB_DataObject
+     *
+     * DB_DataObject needs to know something about the table to manipulate
+     * instances. This method provides all the DB_DataObject needs to know.
+     *
+     * @return array array of column definitions
+     */
+
+    function table()
+    {
+        return array('notice_date' => DB_DATAOBJECT_DATE + DB_DATAOBJECT_NOTNULL,
+                     'notice_count' => DB_DATAOBJECT_INT,
+                     'created'   => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
+                     'modified'  => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
+    }
+
+    /**
+     * return key definitions for DB_DataObject
+     *
+     * DB_DataObject needs to know about keys that the table has; this function
+     * defines them.
+     *
+     * @return array key definitions
+     */
+
+    function keys()
+    {
+        return array('notice_date' => 'K');
+    }
+
+    /**
+     * return key definitions for Memcached_DataObject
+     *
+     * Our caching system uses the same key definitions, but uses a different
+     * method to get them.
+     *
+     * @return array key definitions
+     */
+
+    function keyTypes()
+    {
+        return $this->keys();
+    }
+
+    static function getAll()
+    {
+        $noticeCounts = self::cacheGet('sitemap:notice:counts');
+
+        if ($noticeCounts === false) {
+
+            $snc = new Sitemap_notice_count();
+            $snc->orderBy('notice_date DESC');
+
+            // Fetch the first one to check up-to-date-itude
+
+            $n = $snc->find(true);
+
+            $today = self::today();
+            $noticeCounts = array();
+
+            if (!$n) { // No counts saved yet
+                $noticeCounts = self::initializeCounts();
+            } else if ($snc->notice_date < $today) { // There are counts but not up to today
+                $noticeCounts = self::fillInCounts($snc->notice_date);
+            } else if ($snc->notice_date == $today) { // Refresh today's
+                $noticeCounts[$today] = self::updateToday();
+            }
+
+            // starts with second-to-last date
+
+            while ($snc->fetch()) {
+                $noticeCounts[$snc->notice_date] = $snc->notice_count;
+            }
+
+            self::cacheSet('sitemap:notice:counts', $noticeCounts);
+        }
+
+        return $noticeCounts;
+    }
+
+    static function initializeCounts()
+    {
+        $firstDate = self::getFirstDate(); // awww
+        $today     = self::today();
+
+        $counts = array();
+
+        for ($d = $firstDate; $d <= $today; $d = self::incrementDay($d)) {
+            $n = self::getCount($d);
+            self::insertCount($d, $n);
+            $counts[$d] = $n;
+        }
+
+        return $counts;
+    }
+
+    static function fillInCounts($lastDate)
+    {
+        $today = self::today();
+
+        $counts = array();
+
+        $n = self::getCount($lastDate);
+        self::updateCount($lastDate, $n);
+
+        $counts[$lastDate] = $n;
+
+        for ($d = self::incrementDay($lastDate); $d <= $today; $d = self::incrementDay($d)) {
+            $n = self::getCount($d);
+            self::insertCount($d, $n);
+        }
+
+        return $counts;
+    }
+
+    static function updateToday()
+    {
+        $today = self::today();
+
+        $n = self::getCount($today);
+        self::updateCount($today, $n);
+
+        return $n;
+    }
+
+    static function getCount($d)
+    {
+        $notice = new Notice();
+        $notice->whereAdd('created BETWEEN "'.$d.' 00:00:00" AND "'.self::incrementDay($d).' 00:00:00"');
+        $notice->whereAdd('is_local = ' . Notice::LOCAL_PUBLIC);
+        $n = $notice->count();
+
+        return $n;
+    }
+
+    static function insertCount($d, $n)
+    {
+        $snc = new Sitemap_notice_count();
+
+        $snc->notice_date = DB_DataObject_Cast::date($d);
+
+        $snc->notice_count      = $n;
+        $snc->created           = common_sql_now();
+        $snc->modified          = $snc->created;
+
+        if (!$snc->insert()) {
+            common_log(LOG_WARNING, "Could not save user counts for '$d'");
+        }
+    }
+
+    static function updateCount($d, $n)
+    {
+        $snc = Sitemap_notice_count::staticGet('notice_date', DB_DataObject_Cast::date($d));
+
+        if (empty($snc)) {
+            throw new Exception("No such registration date: $d");
+        }
+
+        $orig = clone($snc);
+
+        $snc->notice_date = DB_DataObject_Cast::date($d);
+
+        $snc->notice_count      = $n;
+        $snc->created           = common_sql_now();
+        $snc->modified          = $snc->created;
+
+        if (!$snc->update($orig)) {
+            common_log(LOG_WARNING, "Could not save user counts for '$d'");
+        }
+    }
+
+    static function incrementDay($d)
+    {
+        $dt = self::dateStrToInt($d);
+        return self::dateIntToStr($dt + 24 * 60 * 60);
+    }
+
+    static function dateStrToInt($d)
+    {
+        return strtotime($d.' 00:00:00');
+    }
+
+    static function dateIntToStr($dt)
+    {
+        return date('Y-m-d', $dt);
+    }
+
+    static function getFirstDate()
+    {
+        $n = new Notice();
+
+        $n->selectAdd();
+        $n->selectAdd('date(min(created)) as first_date');
+
+        if ($n->find(true)) {
+            return $n->first_date;
+        } else {
+            // Is this right?
+            return self::dateIntToStr(time());
+        }
+    }
+
+    static function today()
+    {
+        return self::dateIntToStr(time());
+    }
+}
diff --git a/plugins/Sitemap/Sitemap_user_count.php b/plugins/Sitemap/Sitemap_user_count.php
new file mode 100644
index 000000000..64b4c3442
--- /dev/null
+++ b/plugins/Sitemap/Sitemap_user_count.php
@@ -0,0 +1,284 @@
+<?php
+/**
+ * Data class for counting user registrations by date
+ *
+ * PHP version 5
+ *
+ * @category Data
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, 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/>.
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
+
+/**
+ * Data class for counting users by date
+ *
+ * We make a separate sitemap for each user registered by date.
+ * To save ourselves some processing effort, we cache this data
+ *
+ * @category Action
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * @see      DB_DataObject
+ */
+
+class Sitemap_user_count extends Memcached_DataObject
+{
+    public $__table = 'sitemap_user_count'; // table name
+
+    public $registration_date;               // date primary_key not_null
+    public $user_count;                      // int(4)
+    public $created;
+    public $modified;
+
+    /**
+     * Get an instance by key
+     *
+     * This is a utility method to get a single instance with a given key value.
+     *
+     * @param string $k Key to use to lookup (usually 'user_id' for this class)
+     * @param mixed  $v Value to lookup
+     *
+     * @return Sitemap_user_count object found, or null for no hits
+     *
+     */
+
+    function staticGet($k, $v=null)
+    {
+        return Memcached_DataObject::staticGet('Sitemap_user_count', $k, $v);
+    }
+
+    /**
+     * return table definition for DB_DataObject
+     *
+     * DB_DataObject needs to know something about the table to manipulate
+     * instances. This method provides all the DB_DataObject needs to know.
+     *
+     * @return array array of column definitions
+     */
+
+    function table()
+    {
+        return array('registration_date' => DB_DATAOBJECT_DATE + DB_DATAOBJECT_NOTNULL,
+                     'user_count' => DB_DATAOBJECT_INT,
+                     'created'   => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL,
+                     'modified'  => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
+    }
+
+    /**
+     * return key definitions for DB_DataObject
+     *
+     * DB_DataObject needs to know about keys that the table has; this function
+     * defines them.
+     *
+     * @return array key definitions
+     */
+
+    function keys()
+    {
+        return array('registration_date' => 'K');
+    }
+
+    function sequenceKey()
+    {
+        return array(false, false, false);
+    }
+
+    /**
+     * return key definitions for Memcached_DataObject
+     *
+     * Our caching system uses the same key definitions, but uses a different
+     * method to get them.
+     *
+     * @return array key definitions
+     */
+
+    function keyTypes()
+    {
+        return $this->keys();
+    }
+
+    static function getAll()
+    {
+        $userCounts = self::cacheGet('sitemap:user:counts');
+
+        if ($userCounts === false) {
+
+            $suc = new Sitemap_user_count();
+            $suc->orderBy('registration_date DESC');
+
+            // Fetch the first one to check up-to-date-itude
+
+            $n = $suc->find(true);
+
+            $today = self::today();
+            $userCounts = array();
+
+            if (!$n) { // No counts saved yet
+                $userCounts = self::initializeCounts();
+            } else if ($suc->registration_date < $today) { // There are counts but not up to today
+                $userCounts = self::fillInCounts($suc->registration_date);
+            } else if ($suc->registration_date == $today) { // Refresh today's
+                $userCounts[$today] = self::updateToday();
+            }
+
+            // starts with second-to-last date
+
+            while ($suc->fetch()) {
+                $userCounts[$suc->registration_date] = $suc->user_count;
+            }
+
+            self::cacheSet('sitemap:user:counts', $userCounts);
+        }
+
+        return $userCounts;
+    }
+
+    static function initializeCounts()
+    {
+        $firstDate = self::getFirstDate(); // awww
+        $today     = self::today();
+
+        $counts = array();
+
+        for ($d = $firstDate; $d <= $today; $d = self::incrementDay($d)) {
+            $n = self::getCount($d);
+            self::insertCount($d, $n);
+            $counts[$d] = $n;
+        }
+
+        return $counts;
+    }
+
+    static function fillInCounts($lastDate)
+    {
+        $today = self::today();
+
+        $counts = array();
+
+        $n = self::getCount($lastDate);
+        self::updateCount($lastDate, $n);
+
+        $counts[$lastDate] = $n;
+
+        for ($d = self::incrementDay($lastDate); $d <= $today; $d = self::incrementDay($d)) {
+            $n = self::getCount($d);
+            self::insertCount($d, $n);
+        }
+
+        return $counts;
+    }
+
+    static function updateToday()
+    {
+        $today = self::today();
+
+        $n = self::getCount($today);
+        self::updateCount($today, $n);
+
+        return $n;
+    }
+
+    static function getCount($d)
+    {
+        $user = new User();
+        $user->whereAdd('created BETWEEN "'.$d.' 00:00:00" AND "'.self::incrementDay($d).' 00:00:00"');
+        $n = $user->count();
+
+        return $n;
+    }
+
+    static function insertCount($d, $n)
+    {
+        $suc = new Sitemap_user_count();
+
+        $suc->registration_date = DB_DataObject_Cast::date($d);
+        $suc->user_count        = $n;
+        $suc->created           = common_sql_now();
+        $suc->modified          = $suc->created;
+
+        if (!$suc->insert()) {
+            common_log(LOG_WARNING, "Could not save user counts for '$d'");
+        }
+    }
+
+    static function updateCount($d, $n)
+    {
+        $suc = Sitemap_user_count::staticGet('registration_date', DB_DataObject_Cast::date($d));
+
+        if (empty($suc)) {
+            throw new Exception("No such registration date: $d");
+        }
+
+        $orig = clone($suc);
+
+        $suc->registration_date = DB_DataObject_Cast::date($d);
+        $suc->user_count        = $n;
+        $suc->created           = common_sql_now();
+        $suc->modified          = $suc->created;
+
+        if (!$suc->update($orig)) {
+            common_log(LOG_WARNING, "Could not save user counts for '$d'");
+        }
+    }
+
+    static function incrementDay($d)
+    {
+        $dt = self::dateStrToInt($d);
+        return self::dateIntToStr($dt + 24 * 60 * 60);
+    }
+
+    static function dateStrToInt($d)
+    {
+        return strtotime($d.' 00:00:00');
+    }
+
+    static function dateIntToStr($dt)
+    {
+        return date('Y-m-d', $dt);
+    }
+
+    static function getFirstDate()
+    {
+        $u = new User();
+        $u->selectAdd();
+        $u->selectAdd('date(min(created)) as first_date');
+        if ($u->find(true)) {
+            return $u->first_date;
+        } else {
+            // Is this right?
+            return self::dateIntToStr(time());
+        }
+    }
+
+    static function today()
+    {
+        return self::dateIntToStr(time());
+    }
+}
diff --git a/plugins/Sitemap/noticesitemap.php b/plugins/Sitemap/noticesitemap.php
new file mode 100644
index 000000000..7d9d2e5d6
--- /dev/null
+++ b/plugins/Sitemap/noticesitemap.php
@@ -0,0 +1,137 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Show list of user pages
+ *
+ * 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  Sitemap
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * sitemap for users
+ *
+ * @category Sitemap
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class NoticesitemapAction extends SitemapAction
+{
+    var $notices = null;
+    var $j = 0;
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        $y = $this->trimmed('year');
+
+        $m = $this->trimmed('month');
+        $d = $this->trimmed('day');
+
+        $i = $this->trimmed('index');
+
+        $y += 0;
+        $m += 0;
+        $d += 0;
+        $i += 0;
+
+        $this->notices = $this->getNotices($y, $m, $d, $i);
+        $this->j       = 0;
+
+        return true;
+    }
+
+    function nextUrl()
+    {
+        if ($this->j < count($this->notices)) {
+            $n = $this->notices[$this->j];
+            $this->j++;
+            return array(common_local_url('shownotice', array('notice' => $n[0])),
+                         common_date_w3dtf($n[1]),
+                         'never',
+                         null);
+        } else {
+            return null;
+        }
+    }
+
+    function getNotices($y, $m, $d, $i)
+    {
+        $n = Notice::cacheGet("sitemap:notice:$y:$m:$d:$i");
+
+        if ($n === false) {
+
+            $notice = new Notice();
+
+            $begindt = sprintf('%04d-%02d-%02d 00:00:00', $y, $m, $d);
+
+            // XXX: estimates 1d == 24h, which screws up days
+            // with leap seconds (1d == 24h + 1s). Thankfully they're
+            // few and far between.
+
+            $theend = strtotime($begindt) + (24 * 60 * 60);
+            $enddt  = common_sql_date($theend);
+
+            $notice->selectAdd();
+            $notice->selectAdd('id, created');
+
+            $notice->whereAdd("created >= '$begindt'");
+            $notice->whereAdd("created <  '$enddt'");
+
+            $notice->whereAdd('is_local = ' . Notice::LOCAL_PUBLIC);
+
+            $notice->orderBy('created');
+
+            $offset = ($i-1) * SitemapPlugin::NOTICES_PER_MAP;
+            $limit  = SitemapPlugin::NOTICES_PER_MAP;
+
+            $notice->limit($offset, $limit);
+
+            $notice->find();
+
+            $n = array();
+
+            while ($notice->fetch()) {
+                $n[] = array($notice->id, $notice->created);
+            }
+
+            $c = Cache::instance();
+
+            if (!empty($c)) {
+                $c->set(Cache::key("sitemap:notice:$y:$m:$d:$i"),
+                        $n,
+                        Cache::COMPRESSED,
+                        ((time() > $theend) ? (time() + 90 * 24 * 60 * 60) : (time() + 5 * 60)));
+            }
+        }
+
+        return $n;
+    }
+}
diff --git a/plugins/Sitemap/sitemapaction.php b/plugins/Sitemap/sitemapaction.php
new file mode 100644
index 000000000..45edfccc5
--- /dev/null
+++ b/plugins/Sitemap/sitemapaction.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Superclass for sitemap-generating actions
+ *
+ * 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  Sitemap
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * superclass for sitemap actions
+ *
+ * @category Sitemap
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class SitemapAction extends Action
+{
+    /**
+     * handle the action
+     *
+     * @param array $args unused.
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        header('Content-Type: text/xml; charset=UTF-8');
+        $this->startXML();
+
+        $this->elementStart('urlset', array('xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9'));
+
+        while (list($url, $lm, $cf, $p) = $this->nextUrl()) {
+            $this->showUrl($url, $lm, $cf, $p);
+        }
+
+        $this->elementEnd('urlset');
+
+        $this->endXML();
+    }
+
+    function showUrl($url, $lastMod=null, $changeFreq=null, $priority=null)
+    {
+        $this->elementStart('url');
+        $this->element('loc', null, $url);
+        if (!is_null($lastMod)) {
+            $this->element('lastmod', null, $lastMod);
+        }
+        if (!is_null($changeFreq)) {
+            $this->element('changefreq', null, $changeFreq);
+        }
+        if (!is_null($priority)) {
+            $this->element('priority', null, $priority);
+        }
+        $this->elementEnd('url');
+    }
+
+    function nextUrl()
+    {
+        return null;
+    }
+
+    function isReadOnly()
+    {
+        return true;
+    }
+}
diff --git a/plugins/Sitemap/sitemapindex.php b/plugins/Sitemap/sitemapindex.php
new file mode 100644
index 000000000..169e3031c
--- /dev/null
+++ b/plugins/Sitemap/sitemapindex.php
@@ -0,0 +1,128 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Generate sitemap index
+ *
+ * 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  Sitemap
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Show the sitemap index
+ *
+ * @category Sitemap
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class SitemapindexAction extends Action
+{
+    /**
+     * handle the action
+     *
+     * @param array $args unused.
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        header('Content-Type: text/xml; charset=UTF-8');
+        $this->startXML();
+
+        $this->elementStart('sitemapindex', array('xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9'));
+
+        $this->showNoticeSitemaps();
+        $this->showUserSitemaps();
+
+        $this->elementEnd('sitemapindex');
+
+        $this->endXML();
+    }
+
+    function showUserSitemaps()
+    {
+        $userCounts = Sitemap_user_count::getAll();
+
+        foreach ($userCounts as $dt => $cnt) {
+            $cnt = $cnt+0;
+
+            if ($cnt == 0) {
+                continue;
+            }
+
+            $n = (int)$cnt / (int)SitemapPlugin::USERS_PER_MAP;
+            if (($cnt % SitemapPlugin::USERS_PER_MAP) != 0) {
+                $n++;
+            }
+            for ($i = 1; $i <= $n; $i++) {
+                $this->showSitemap('user', $dt, $i);
+            }
+        }
+    }
+
+    function showNoticeSitemaps()
+    {
+        $noticeCounts = Sitemap_notice_count::getAll();
+
+        foreach ($noticeCounts as $dt => $cnt) {
+            if ($cnt == 0) {
+                continue;
+            }
+            $n = $cnt / SitemapPlugin::NOTICES_PER_MAP;
+            if ($cnt % SitemapPlugin::NOTICES_PER_MAP) {
+                $n++;
+            }
+            for ($i = 1; $i <= $n; $i++) {
+                $this->showSitemap('notice', $dt, $i);
+            }
+        }
+    }
+
+    function showSitemap($prefix, $dt, $i)
+    {
+        list($y, $m, $d) = explode('-', $dt);
+
+        $this->elementStart('sitemap');
+        $this->element('loc', null, common_local_url($prefix.'sitemap',
+                                                     array('year' => $y,
+                                                           'month' => $m,
+                                                           'day' => $d,
+                                                           'index' => $i)));
+
+        $begdate = strtotime("$y-$m-$d 00:00:00");
+        $enddate = $begdate + (24 * 60 * 60);
+
+        if ($enddate < time()) {
+            $this->element('lastmod', null, date(DATE_W3C, $enddate));
+        }
+
+        $this->elementEnd('sitemap');
+    }
+}
diff --git a/plugins/Sitemap/usersitemap.php b/plugins/Sitemap/usersitemap.php
new file mode 100644
index 000000000..de1200715
--- /dev/null
+++ b/plugins/Sitemap/usersitemap.php
@@ -0,0 +1,128 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Show list of user pages
+ *
+ * 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  Sitemap
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * sitemap for users
+ *
+ * @category Sitemap
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class UsersitemapAction extends SitemapAction
+{
+    var $users = null;
+    var $j     = 0;
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        $y = $this->trimmed('year');
+
+        $m = $this->trimmed('month');
+        $d = $this->trimmed('day');
+
+        $i = $this->trimmed('index');
+
+        $y += 0;
+        $m += 0;
+        $d += 0;
+        $i += 0;
+
+        $this->users = $this->getUsers($y, $m, $d, $i);
+        $this->j     = 0;
+        return true;
+    }
+
+    function nextUrl()
+    {
+        if ($this->j < count($this->users)) {
+            $nickname = $this->users[$this->j];
+            $this->j++;
+            return array(common_profile_url($nickname), null, null, '1.0');
+        } else {
+            return null;
+        }
+    }
+
+    function getUsers($y, $m, $d, $i)
+    {
+        $u = User::cacheGet("sitemap:user:$y:$m:$d:$i");
+
+        if ($u === false) {
+
+            $user = new User();
+
+            $begindt = sprintf('%04d-%02d-%02d 00:00:00', $y, $m, $d);
+
+            // XXX: estimates 1d == 24h, which screws up days
+            // with leap seconds (1d == 24h + 1s). Thankfully they're
+            // few and far between.
+
+            $theend = strtotime($begindt) + (24 * 60 * 60);
+            $enddt  = common_sql_date($theend);
+
+            $user->selectAdd();
+            $user->selectAdd('nickname');
+            $user->whereAdd("created >= '$begindt'");
+            $user->whereAdd("created <  '$enddt'");
+
+            $user->orderBy('created');
+
+            $offset = ($i-1) * SitemapPlugin::USERS_PER_MAP;
+            $limit  = SitemapPlugin::USERS_PER_MAP;
+
+            $user->limit($offset, $limit);
+
+            $user->find();
+
+            while ($user->fetch()) {
+                $u[] = $user->nickname;
+            }
+
+            $c = Cache::instance();
+
+            if (!empty($c)) {
+                $c->set(Cache::key("sitemap:user:$y:$m:$d:$i"),
+                        $u,
+                        Cache::COMPRESSED,
+                        ((time() > $theend) ? (time() + 90 * 24 * 60 * 60) : (time() + 5 * 60)));
+            }
+        }
+
+        return $u;
+    }
+}