From 32fca654cb68f2b54b5c054a6b373d98e0e5daca Mon Sep 17 00:00:00 2001
From: Wytze van der Raay <wytze@cacert.org>
Date: Wed, 20 Nov 2013 16:05:13 +0000
Subject: [PATCH] Fix for https://bugs.cacert.org/view.php?id=1004 "performance
 of CAcert webserver is hampered by simultaneous stats.php execution"

---
 scripts/cron/refresh_stats.php | 307 +++++++++++++++++++++++
 www/stats.php                  | 428 ++++++++++++---------------------
 2 files changed, 467 insertions(+), 268 deletions(-)
 create mode 100755 scripts/cron/refresh_stats.php

diff --git a/scripts/cron/refresh_stats.php b/scripts/cron/refresh_stats.php
new file mode 100755
index 0000000..2a3d2b5
--- /dev/null
+++ b/scripts/cron/refresh_stats.php
@@ -0,0 +1,307 @@
+#!/usr/bin/php -q
+<?php
+/*
+LibreSSL - CAcert web application
+Copyright (C) 2004-2012  CAcert Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; version 2 of the License.
+
+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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+require_once(dirname(__FILE__).'/../../includes/mysql.php');
+
+/**
+ * Wrapper around mysql_query() to provide some error handling. Prints an error
+ * message and dies if query fails
+ * 
+ * @param string $sql
+ * 		the SQL statement to execute
+ * @return resource|boolean
+ * 		the MySQL result set
+ */
+function sql_query($sql) {
+	$res = mysql_query($sql);
+	if (!$res) {
+		fwrite(STDERR, "MySQL query failed:\n\"$sql\"\n".mysql_error());
+		die(1);
+	}
+	
+	return $res;
+}
+
+function tc($sql) {
+	$row = mysql_fetch_assoc(sql_query($sql));
+	return(intval($row['count']));
+}
+
+/**
+* writes new data to cache, create cache or update existing cache, set current
+* time stamp
+* @return boolean
+*/
+function updateCache($stats) {
+	$timestamp = time();
+	$sql = "insert into `statscache` (`timestamp`, `cache`) values
+	('$timestamp', '".mysql_real_escape_string(serialize($stats))."')";
+	sql_query($sql);
+	
+	// Make sure the new statistic was inserted successfully
+	$res = sql_query(
+		"select 1 from `statscache` where `timestamp` = '$timestamp'");
+	if (mysql_num_rows($res) !== 1) {
+		fwrite(STDERR, "Error on inserting the new statistic");
+		return false;
+	}
+	
+	sql_query("delete from `statscache` where `timestamp` != '$timestamp'");
+	return true;
+}
+
+/**
+* get statistics data from live tables, takes a long time so please try to use the
+* cache
+* @return array
+*/
+function getDataFromLive() {
+	echo "Calculating current statistics\n";
+	
+	$stats = array();
+	$stats['verified_users'] = number_format(tc(
+		"select count(*) as `count` from `users`
+			where `verified` = 1
+			and `deleted` = 0
+			and `locked` = 0"));
+	
+	$stats['verified_emails'] = number_format(tc(
+		"select count(*) as `count` from `email`
+			where `hash` = '' and `deleted` = 0"));
+	
+	$stats['verified_domains'] = number_format(tc(
+		"select count(*) as `count` from `domains`
+			where `hash` = '' and `deleted` = 0"));
+	
+	$certs = tc("select count(*) as `count` from `domaincerts`
+			where `expire` != 0");
+	$certs += tc("select count(*) as `count` from `emailcerts`
+			where `expire` != 0");
+	$certs += tc("select count(*) as `count` from `gpg`
+			where `expire` != 0");
+	$certs += tc("select count(*) as `count` from `orgdomaincerts`
+			where `expire` != 0");
+	$certs += tc("select count(*) as `count` from `orgemailcerts`
+			where `expire` != 0");
+	$stats['verified_certificates'] = number_format($certs);
+	
+	$certs = tc("select count(*) as `count` from `domaincerts`
+		where `revoked` = 0 and `expire` > NOW()");
+	$certs += tc("select count(*) as `count` from `emailcerts`
+		where `revoked` = 0 and `expire` > NOW()");
+	$certs += tc("select count(*) as `count` from `gpg`
+		where `expire` > NOW()");
+	$certs += tc("select count(*) as `count` from `orgdomaincerts`
+		where `revoked` = 0 and `expire` > NOW()");
+	$certs += tc("select count(*) as `count` from `orgemailcerts`
+		where `revoked` = 0 and `expire` > NOW()");
+	$stats['valid_certificates'] = number_format($certs);
+	
+	$stats['assurances_made'] = number_format(tc(
+		"select count(*) as `count` from `notary`
+			where `method` = '' or `method` = 'Face to Face Meeting'"));
+	
+	$stats['users_1to49'] = number_format(tc(
+		"select count(*) as `count` from (
+			select 1 from `notary`
+				where `deleted` = 0
+				group by `to`
+				having sum(`points`) > 0 and sum(`points`) < 50
+			) as `low_points`"));
+	
+	$stats['users_50to99'] = number_format(tc(
+		"select count(*) as `count` from (
+			select 1 from `notary`
+				where `deleted` = 0
+				group by `to`
+				having sum(`points`) >= 50 and sum(`points`) < 100
+			) as `high_points`"));
+	
+	$stats['assurer_candidates'] = number_format(tc(
+		"select count(*) as `count` from `users`
+			where (
+				select sum(`points`) from `notary`
+					where `to`=`users`.`id`
+					and `deleted` = 0
+				) >= 100
+			and not exists(
+				select 1 from `cats_passed` as `cp`, `cats_variant` as `cv`
+					where `cp`.`user_id`=`users`.`id`
+					and `cp`.`variant_id`=`cv`.`id`
+					and `cv`.`type_id`=1
+				)"
+		));
+	
+	$stats['aussurers_with_test'] = number_format(tc(
+		"select count(*) as `count` from `users`
+			where (
+				select sum(`points`) from `notary`
+					where `to`=`users`.`id`
+					and `deleted` = 0
+				) >= 100
+			and exists(
+				select 1 from `cats_passed` as `cp`, `cats_variant` as `cv`
+					where `cp`.`user_id`=`users`.`id`
+					and `cp`.`variant_id`=`cv`.`id`
+					and `cv`.`type_id`=1
+				)"
+		));
+	
+	$stats['points_issued'] = number_format(tc(
+		"select sum(greatest(`points`, `awarded`)) as `count` from `notary`
+			where `deleted` = 0
+			and `method` = 'Face to Face Meeting'"));
+
+	$totalusers=0;
+	$totassurers=0;
+	$totalcerts=0;
+	for($i = 0; $i < 12; $i++) {
+		$first_ts = mktime(0, 0, 0, date("m") - $i, 1, date("Y"));
+		$next_month_ts =  mktime(0, 0, 0, date("m") - $i + 1, 1, date("Y"));
+		$first = date("Y-m-d", $first_ts);
+		$next_month = date("Y-m-d", $next_month_ts);
+		
+		echo "Calculating statistics for month $first\n";
+		
+		$totalusers += $users = tc(
+			"select count(*) as `count` from `users` 
+				where `created` >= '$first' and `created` < '$next_month'
+				and `verified` = 1
+				and `deleted` = 0
+				and `locked` = 0");
+		
+		$totassurers += $assurers = tc(
+			"select count(*) as `count` from (
+				select 1 from `notary`
+					where `when` >= '$first' and `when` < '$next_month'
+					and `method`!='Administrative Increase'
+					and `deleted` = 0
+					group by `to` having sum(`points`) >= 100
+				) as `assurer_candidates`");
+		
+		$certs = tc(
+			"select count(*) as `count` from `domaincerts`
+				where `created` >= '$first' and `created` < '$next_month'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `emailcerts`
+				where `created` >= '$first' and `created` < '$next_month'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `gpg`
+				where `issued` >= '$first' and `issued` < '$next_month'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `orgdomaincerts`
+				where `created` >= '$first' and `created` < '$next_month'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `orgemailcerts`
+				where `created` >= '$first' and `created` < '$next_month'
+				and `expire` != 0");
+		$totalcerts += $certs;
+
+		$tmp_arr = array();
+		$tmp_arr['date'] = date("Y-m", $first_ts);
+		$tmp_arr['new_users'] = number_format($users);
+		$tmp_arr['new_assurers'] = number_format($assurers);
+		$tmp_arr['new_certificates'] = number_format($certs);
+
+		$stats['growth_last_12m'][] = $tmp_arr;
+	}
+	$stats['growth_last_12m_total'] = array(
+			'new_users' => number_format($totalusers),
+			'new_assurers' => number_format($totassurers),
+			'new_certificates' => number_format($totalcerts),
+		);
+
+	$totalcerts = 0;
+	$totalusers = 0;
+	$totassurers = 0;
+	for($i = date("Y"); $i >= 2002; $i--) {
+		$first_ts = mktime(0, 0, 0, 1, 1, $i);
+		$next_year_ts =  mktime(0, 0, 0, 1, 1, $i + 1);
+		$first = date("Y-m-d", $first_ts);
+		$next_year = date("Y-m-d", $next_year_ts);
+		
+		echo "Calculating statistics for year $i\n";
+		
+		$totalusers += $users = tc(
+			"select count(*) as `count` from `users` 
+				where `created` >= '$first' and `created` < '$next_year'
+				and `verified` = 1
+				and `deleted` = 0
+				and `locked` = 0");
+		
+		$totassurers += $assurers = tc(
+			"select count(*) as `count` from (
+				select 1 from `notary`
+					where `when` >= '$first' and `when` < '$next_year'
+					and `method`!='Administrative Increase'
+					and `deleted` = 0
+					group by `to` having sum(`points`) >= 100
+				) as `assurer_candidates`");
+		
+		$certs = tc(
+			"select count(*) as `count` from `domaincerts`
+				where `created` >= '$first' and `created` < '$next_year'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `emailcerts`
+				where `created` >= '$first' and `created` < '$next_year'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `gpg`
+				where `issued` >= '$first' and `issued` < '$next_year'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `orgdomaincerts`
+				where `created` >= '$first' and `created` < '$next_year'
+				and `expire` != 0");
+		$certs += tc(
+			"select count(*) as `count` from `orgemailcerts`
+				where `created` >= '$first' and `created` < '$next_year'
+				and `expire` != 0");
+		$totalcerts += $certs;
+
+		$tmp_arr = array();
+		$tmp_arr['date'] = $i;
+		$tmp_arr['new_users'] = number_format($users);
+		$tmp_arr['new_assurers'] = number_format($assurers);
+		$tmp_arr['new_certificates'] = number_format($certs);
+		
+		$stats['growth_last_years'][] = $tmp_arr;
+	}
+	$stats['growth_last_years_total'] = array(
+			'new_users' => number_format($totalusers),
+			'new_assurers' => number_format($totassurers),
+			'new_certificates' => number_format($totalcerts),
+		);
+
+	return $stats;
+}
+
+
+$stats = getDataFromLive();
+if (! updateCache($stats) ) {
+	fwrite(STDERR,
+		"An error occured. The statistics were not successfully updated!");
+	die(1);
+}
diff --git a/www/stats.php b/www/stats.php
index 93f693e..1599e17 100644
--- a/www/stats.php
+++ b/www/stats.php
@@ -1,268 +1,160 @@
-<? /*
-    LibreSSL - CAcert web application
-    Copyright (C) 2004-2008  CAcert Inc.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; version 2 of the License.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
-*/
-	define('MAX_CACHE_TTL', 36000);
-
-	loadem("index");
-	showheader(_("Welcome to CAcert.org"));
-
-	function tc($sql)
-	{
-		$row = mysql_fetch_assoc($sql);
-		return($row['count']);
-	}
-
-	/**
-	 * writes new data to cache, create cache or update existing cache, set current
-	 * time stamp
-	 * @return boolean
-	 */
-	function updateCache($stats) {
-		$sql = 'insert into statscache (timestamp, cache) values ("' . time() . '", ' .
-			'"' . mysql_real_escape_string(serialize($stats)) . '")';
-		mysql_query($sql);
-	}
-
-    /**
-     * get statistics data from current cache, return result of getDataFromLive if no cache file exists
-     * @return array
-     */
-	function getData() {
-		$sql = 'select * from statscache order by timestamp desc limit 1';
-		$res = mysql_query($sql);
-		if ($res && mysql_numrows($res) > 0) {
-			$ar = mysql_fetch_assoc($res);
-			$stats = unserialize($ar['cache']);
-			$stats['timestamp'] = $ar['timestamp'];
-			if ($ar['timestamp'] + MAX_CACHE_TTL < time())
-			{
-				$stats=getDataFromLive();
-				updateCache($stats);
-			}
-			return $stats;
-		}
-		$stats=getDataFromLive();
-		updateCache($stats);
-		return $stats;
-	}
-
-	/**
-     * get statistics data from live tables, takes a long time so please try to use the
-     * cache
-     * @return array
-     */
-	function getDataFromLive() {
-        $stats = array();
-		$stats['verified_users'] = number_format(tc(mysql_query("select count(`id`) as `count` from `users` where `verified`=1")));
-		$stats['verified_emails'] = number_format(tc(mysql_query("select count(`id`) as `count` from `email` where `hash`='' and `deleted`=0")));
-		$stats['verified_domains'] = number_format(tc(mysql_query("select count(`id`) as `count` from `domains` where `hash`='' and `deleted`=0")));
-		$certs = tc(mysql_query("select count(`id`) as `count` from `domaincerts`"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `emailcerts`"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `gpg`"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `orgdomaincerts`"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `orgemailcerts`"));
-		$stats['verified_certificates'] = number_format($certs);
-		$certs = tc(mysql_query("select count(`id`) as `count` from `domaincerts` where `revoked`=0 and `expire`>NOW()"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `emailcerts` where `revoked`=0 and `expire`>NOW()"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `gpg` where `expire`<=NOW()"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `orgdomaincerts` where `revoked`=0 and `expire`>NOW()"));
-		$certs += tc(mysql_query("select count(`id`) as `count` from `orgemailcerts` where `revoked`=0 and `expire`>NOW()"));
-		$stats['valid_certificates'] = number_format($certs);
-		$stats['assurances_made'] = number_format(tc(mysql_query("select count(`id`) as `count` from `notary`")));
-		$stats['users_1to49'] = number_format(mysql_num_rows(mysql_query("select `to` from `notary` group by `to` having sum(`points`) > 0 and sum(`points`) < 50")));
-		$stats['users_50to99'] = number_format(mysql_num_rows(mysql_query("select `to` from `notary` group by `to` having sum(`points`) >= 50 and sum(`points`) < 100")));
-		$stats['assurer_candidates'] = number_format(tc(mysql_query("select count(*) as `count` from `users` where ".
-                                    "not exists(select 1 from `cats_passed` as `cp`, `cats_variant` as `cv` where `cp`.`user_id`=`users`.`id` and `cp`.`variant_id`=`cv`.`id` and `cv`.`type_id`=1) and ".
-                                    "(select sum(`points`) from `notary` where `to`=`users`.`id`) >= 100")));
-		$stats['aussurers_with_test'] = number_format(tc(mysql_query("select count(*) as `count` from `users` where ".
-                                    "exists(select 1 from `cats_passed` as `cp`, `cats_variant` as `cv` where `cp`.`user_id`=`users`.`id` and `cp`.`variant_id`=`cv`.`id` and `cv`.`type_id`=1) and ".
-                                    "(select sum(`points`) from `notary` where `to`=`users`.`id`) >= 100")));
-		$stats['points_issued'] = number_format(tc(mysql_query("select sum(`points`) as `count` from `notary`")));
-
-		$totalusers=0;
-		$totassurers=0;
-		$totalcerts=0;
-		for($i = 0; $i < 12; $i++) {
-			$tmp_arr = array();
-			$tmp_arr['date'] = date("Y-m", mktime(0,0,0,date("m") - $i,1,date("Y")));
-			$date = date("Y-m", mktime(0,0,0,date("m") - $i,1,date("Y")));
-			$totalusers += $users = tc(mysql_query("select count(`id`) as `count` from `users` where `created` like '$date%' and `verified`=1"));
-			$totassurers += $assurers = mysql_num_rows(mysql_query("select `to` from `notary` where `when` like '$date%' and `method`!='Administrative Increase' group by `to` having sum(`points`) >= 100"));
-			$certs = tc(mysql_query("select count(`id`) as `count` from `domaincerts` where `created` like '$date%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `emailcerts` where `created` like '$date%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `gpg` where `issued` like '$date%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `orgdomaincerts` where `created` like '$date%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `orgemailcerts` where `created` like '$date%'"));
-			$totalcerts += $certs;
-
-			$tmp_arr['new_users'] = number_format($users);
-			$tmp_arr['new_assurers'] = number_format($assurers);
-			$tmp_arr['new_certificates'] = number_format($certs);
-
-			$stats['growth_last_12m'][] = $tmp_arr;
-		}
-		$stats['growth_last_12m_total'] = array('new_users' => number_format($totalusers),
-												'new_assurers' => number_format($totassurers),
-												'new_certificates' => number_format($totalcerts));
-
-		$totalcerts = 0;
-		$totalusers = 0;
-		$totassurers = 0;
-		for($i = date("Y"); $i >= 2002; $i--) {
-			$tmp_arr = array();
-			$tmp_arr['date'] = $i;
-			$totalusers += $users = tc(mysql_query("select count(`id`) as `count` from `users` where `created` like '$i%' and `verified`=1"));
-			$totassurers += $assurers = mysql_num_rows(mysql_query("select `to` from `notary` where `when` like '$i%' and `method`!='Administrative Increase' group by `to` having sum(`points`) >= 100"));
-			$certs = tc(mysql_query("select count(`id`) as `count` from `domaincerts` where `created` like '$i%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `emailcerts` where `created` like '$i%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `gpg` where `issued` like '$i%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `orgdomaincerts` where `created` like '$i%'"));
-			$certs += tc(mysql_query("select count(`id`) as `count` from `orgemailcerts` where `created` like '$i%'"));
-			$totalcerts += $certs;
-
-			$tmp_arr['new_users'] = number_format($users);
-			$tmp_arr['new_assurers'] = number_format($assurers);
-			$tmp_arr['new_certificates'] = number_format($certs);
-
-			$stats['growth_last_years'][] = $tmp_arr;
-		}
-		$stats['growth_last_years_total'] = array('new_users' => number_format($totalusers),
-												  'new_assurers' => number_format($totassurers),
-												  'new_certificates' => number_format($totalcerts));
-
-		return $stats;
-	}
-
-	$stats = getData();
-?>
-<h1>CAcert.org <?=_("Statistics")?></h1>
-
-<table align="center" border="0" cellspacing="0" cellpadding="0" class="wrapper">
-  <tr>
-    <td colspan="2" class="title">CAcert.org <?=_("Statistics")?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Verified Users")?>:</td>
-    <td class="DataTD"><?=$stats['verified_users'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Verified Emails")?>:</td>
-    <td class="DataTD"><?=$stats['verified_emails'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Verified Domains")?>:</td>
-    <td class="DataTD"><?=$stats['verified_domains'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Certificates Issued")?>:</td>
-    <td class="DataTD"><?=$stats['verified_certificates'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Valid Certificates")?>:</td>
-    <td class="DataTD"><?=$stats['valid_certificates'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Assurances Made")?>:</td>
-    <td class="DataTD"><?=$stats['assurances_made'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Users with 1-49 Points")?>:</td>
-    <td class="DataTD"><?=$stats['users_1to49'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Users with 50-99 Points")?>:</td>
-    <td class="DataTD"><?=$stats['users_50to99'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Assurer Candidates")?>:</td>
-    <td class="DataTD"><?=$stats['assurer_candidates'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Assurers with test")?>:</td>
-    <td class="DataTD"><?=$stats['aussurers_with_test'];?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><?=_("Points Issued")?>:</td>
-    <td class="DataTD"><?=$stats['points_issued'];?></td>
-  </tr>
-</table>
-<br>
-<table align="center" border="0" cellspacing="0" cellpadding="0" class="wrapper">
-  <tr>
-    <td colspan="4" class="title">CAcert.org <?=_("Growth in the last 12 months")?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><b><?=_("Date")?></b>
-    <td class="DataTD"><b><?=_("New Users")?></b>
-    <td class="DataTD"><b><?=_("New Assurers")?></b>
-    <td class="DataTD"><b><?=_("New Certificates")?></b>
-  </tr>
-<?
-	for($i = 0; $i < 12; $i++) {
-?>
-  <tr>
-    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['date'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['new_users'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['new_assurers'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['new_certificates'];?></td>
-  </tr>
-<? } ?>
-  <tr>
-    <td class="DataTD">N/A</td>
-    <td class="DataTD"><?=$stats['growth_last_12m_total']['new_users'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_12m_total']['new_assurers'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_12m_total']['new_certificates'];?></td>
-  </tr>
-</table>
-<br>
-<table align="center" border="0" cellspacing="0" cellpadding="0" class="wrapper">
-  <tr>
-    <td colspan="4" class="title">CAcert.org <?=_("Growth by year")?></td>
-  </tr>
-  <tr>
-    <td class="DataTD"><b><?=_("Date")?></b>
-    <td class="DataTD"><b><?=_("New Users")?></b>
-    <td class="DataTD"><b><?=_("New Assurers")?></b>
-    <td class="DataTD"><b><?=_("New Certificates")?></b>
-  </tr>
-<?
-	for($i = 0; $i < count($stats['growth_last_years']); $i++) {
-?>
-  <tr>
-    <td class="DataTD"><?=$stats['growth_last_years'][$i]['date'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_years'][$i]['new_users'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_years'][$i]['new_assurers'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_years'][$i]['new_certificates'];?></td>
-  </tr>
-<? } ?>
-  <tr>
-    <td class="DataTD">N/A</td>
-    <td class="DataTD"><?=$stats['growth_last_years_total']['new_users'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_years_total']['new_assurers'];?></td>
-    <td class="DataTD"><?=$stats['growth_last_years_total']['new_certificates'];?></td>
-  </tr>
-</table>
-<br>
-<?php
-	if (isset($stats['timestamp'])) {
-?>
-<div style="text-align: center;font-size: small;"><?=_("Statistical data from cache, created at ") . date('Y-m-d H:i:s', $stats['timestamp']);?></div>
-<?php
-	}
-?>
-<? showfooter(); ?>
-
+<? /*
+    LibreSSL - CAcert web application
+    Copyright (C) 2004-2008  CAcert Inc.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; version 2 of the License.
+
+    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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+	loadem("index");
+	showheader(_("Welcome to CAcert.org"));
+
+    /**
+     * get statistics data from current cache, return result of getDataFromLive if no cache file exists
+     * @return array
+     */
+	function getData() {
+		$sql = 'select * from `statscache` order by `timestamp` desc limit 1';
+		$res = mysql_query($sql);
+		if ($res && mysql_numrows($res) > 0) {
+			$ar = mysql_fetch_assoc($res);
+			$stats = unserialize($ar['cache']);
+			$stats['timestamp'] = $ar['timestamp'];
+			return $stats;
+		}
+		
+		return null;
+	}
+
+	$stats = getData();
+	if ($stats === null) {
+		echo '<p>', _("Error while retrieving the statistics!"), '</p>';
+		showfooter();
+		die(); 
+	}
+?>
+<h1>CAcert.org <?=_("Statistics")?></h1>
+
+<table align="center" border="0" cellspacing="0" cellpadding="0" class="wrapper">
+  <tr>
+    <td colspan="2" class="title">CAcert.org <?=_("Statistics")?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Verified Users")?>:</td>
+    <td class="DataTD"><?=$stats['verified_users'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Verified Emails")?>:</td>
+    <td class="DataTD"><?=$stats['verified_emails'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Verified Domains")?>:</td>
+    <td class="DataTD"><?=$stats['verified_domains'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Certificates Issued")?>:</td>
+    <td class="DataTD"><?=$stats['verified_certificates'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Valid Certificates")?>:</td>
+    <td class="DataTD"><?=$stats['valid_certificates'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Assurances Made")?>:</td>
+    <td class="DataTD"><?=$stats['assurances_made'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Users with 1-49 Points")?>:</td>
+    <td class="DataTD"><?=$stats['users_1to49'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Users with 50-99 Points")?>:</td>
+    <td class="DataTD"><?=$stats['users_50to99'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Assurer Candidates")?>:</td>
+    <td class="DataTD"><?=$stats['assurer_candidates'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Assurers with test")?>:</td>
+    <td class="DataTD"><?=$stats['aussurers_with_test'];?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><?=_("Points Issued")?>:</td>
+    <td class="DataTD"><?=$stats['points_issued'];?></td>
+  </tr>
+</table>
+<br>
+<table align="center" border="0" cellspacing="0" cellpadding="0" class="wrapper">
+  <tr>
+    <td colspan="4" class="title">CAcert.org <?=_("Growth in the last 12 months")?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><b><?=_("Date")?></b>
+    <td class="DataTD"><b><?=_("New Users")?></b>
+    <td class="DataTD"><b><?=_("New Assurers")?></b>
+    <td class="DataTD"><b><?=_("New Certificates")?></b>
+  </tr>
+<?
+	for($i = 0; $i < 12; $i++) {
+?>
+  <tr>
+    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['date'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['new_users'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['new_assurers'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_12m'][$i]['new_certificates'];?></td>
+  </tr>
+<? } ?>
+  <tr>
+    <td class="DataTD"><?=_("Total")?></td>
+    <td class="DataTD"><?=$stats['growth_last_12m_total']['new_users'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_12m_total']['new_assurers'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_12m_total']['new_certificates'];?></td>
+  </tr>
+</table>
+<br>
+<table align="center" border="0" cellspacing="0" cellpadding="0" class="wrapper">
+  <tr>
+    <td colspan="4" class="title">CAcert.org <?=_("Growth by year")?></td>
+  </tr>
+  <tr>
+    <td class="DataTD"><b><?=_("Date")?></b>
+    <td class="DataTD"><b><?=_("New Users")?></b>
+    <td class="DataTD"><b><?=_("New Assurers")?></b>
+    <td class="DataTD"><b><?=_("New Certificates")?></b>
+  </tr>
+<?
+	for($i = 0; $i < count($stats['growth_last_years']); $i++) {
+?>
+  <tr>
+    <td class="DataTD"><?=$stats['growth_last_years'][$i]['date'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_years'][$i]['new_users'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_years'][$i]['new_assurers'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_years'][$i]['new_certificates'];?></td>
+  </tr>
+<? } ?>
+  <tr>
+    <td class="DataTD"><?=_("Total")?></td>
+    <td class="DataTD"><?=$stats['growth_last_years_total']['new_users'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_years_total']['new_assurers'];?></td>
+    <td class="DataTD"><?=$stats['growth_last_years_total']['new_certificates'];?></td>
+  </tr>
+</table>
+<br>
+
+<div style="text-align: center;font-size: small;"><?
+	printf(_("Last updated: %s"), date('Y-m-d H:i:s', $stats['timestamp']));?>
+</div>
+
+<? showfooter(); ?>
+