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

15 files changed, 1333 insertions, 44 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 0bfcdd060..749f72e68 100644
--- a/actions/apistatusesdestroy.php
+++ b/actions/apistatusesdestroy.php
@@ -99,32 +99,43 @@ 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/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 cda632885..9ac9e10c1 100644
--- a/classes/Notice.php
+++ b/classes/Notice.php
@@ -1252,6 +1252,8 @@ 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/apiaction.php b/lib/apiaction.php
index 68198effc..320aa0316 100644
--- a/lib/apiaction.php
+++ b/lib/apiaction.php
@@ -232,6 +232,10 @@ class ApiAction extends Action
             }
         }
 
+        // StatusNet-specific
+
+        $twitter_user['statusnet:profile_url'] = $profile->profileurl;
+
         return $twitter_user;
     }
 
@@ -333,6 +337,10 @@ class ApiAction extends Action
             $twitter_status['user'] = $twitter_user;
         }
 
+        // StatusNet-specific
+
+        $twitter_status['statusnet:html'] = $notice->rendered;
+
         return $twitter_status;
     }
 
@@ -500,9 +508,13 @@ 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':
@@ -536,9 +548,13 @@ 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']);
@@ -620,7 +636,7 @@ 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');
     }
 
@@ -636,7 +652,8 @@ 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) {
@@ -803,9 +820,13 @@ 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':
@@ -882,7 +903,7 @@ class ApiAction extends Action
     {
         $this->initDocument('xml');
         $dmsg = $this->directMessageArray($message);
-        $this->showXmlDirectMessage($dmsg);
+        $this->showXmlDirectMessage($dmsg, true);
         $this->endDocument('xml');
     }
 
@@ -999,7 +1020,8 @@ 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/installer.php b/lib/installer.php
index 58ffbfef7..7936d5d5d 100644
--- a/lib/installer.php
+++ b/lib/installer.php
@@ -81,9 +81,12 @@ 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/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;
+    }
+}