Improve the session decoding, limit it to a sample size, improve the output.
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@ -1,4 +1,4 @@
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<?php defined("SYSPATH") or die("No direct script access.");
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41<?php defined("SYSPATH") or die("No direct script access.");
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/**
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/**
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* Gallery - a web based photo album viewer and editor
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2011 Bharat Mediratta
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* Copyright (C) 2000-2011 Bharat Mediratta
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@ -19,27 +19,29 @@
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*/
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*/
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class Admin_Session_Explorer_Controller extends Admin_Controller {
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class Admin_Session_Explorer_Controller extends Admin_Controller {
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public function index() {
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public function index() {
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list($uas, $ips) = $this->get_uas_and_ips();
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list($uas, $ips, $sample_size) = $this->get_uas_and_ips();
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$view = new Admin_View("admin.html");
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$view = new Admin_View("admin.html");
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$view->page_title = t("Akismet spam filtering");
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$view->page_title = t("Akismet spam filtering");
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$view->content = new View("admin_session_explorer.html");
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$view->content = new View("admin_session_explorer.html");
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$view->content->uas = $uas;
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$view->content->uas = $uas;
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$view->content->ips = $ips;
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$view->content->ips = $ips;
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$view->content->sample_size = $sample_size;
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print $view;
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print $view;
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}
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}
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private function get_uas_and_ips() {
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private function get_uas_and_ips() {
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$uas = array();
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$uas = array();
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$ips = array();
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$ips = array();
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$sample_size = 0;
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$d = new Session_Database_Driver();
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$d = new Session_Database_Driver();
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foreach (db::build()
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foreach (db::build()
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->select("session_id")
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->select("session_id")
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->from("sessions")
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->from("sessions")
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->execute() as $r) {
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->execute() as $r) {
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$data = explode("|", $d->read($r->session_id));
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$data = $this->unserialize_session($d->read($r->session_id));
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$ua = unserialize($data[4]);
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$ua = $data["user_agent"];
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$ip = unserialize($data[5]);
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$ip = $data["ip_address"];
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if (!isset($uas[$ua])) {
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if (!isset($uas[$ua])) {
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$uas[$ua] = 0;
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$uas[$ua] = 0;
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}
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}
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@ -48,14 +50,49 @@ class Admin_Session_Explorer_Controller extends Admin_Controller {
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}
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}
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$uas[$ua]++;
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$uas[$ua]++;
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$ips[$ip]++;
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$ips[$ip]++;
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// Limit the sample size once we've found N user agents
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if (++$sample_size == 5000) {
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break;
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}
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}
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}
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arsort($uas);
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arsort($uas);
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arsort($ips);
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arsort($ips);
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// Top 20 only
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// Top N only
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array_splice($uas, 20);
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array_splice($uas, 15);
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array_splice($ips, 20);
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array_splice($ips, 15);
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return array($uas, $ips);
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return array($uas, $ips, $sample_size);
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}
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// Adapted from
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// http://us3.php.net/manual/en/function.session-decode.php#101687
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// by jason at joeymail dot net
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function unserialize_session( $data ) {
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if (strlen($data) == 0) {
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return array();
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}
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// match all the session keys and offsets
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preg_match_all('/(^|;|\})([a-zA-Z0-9_]+)\|/i', $data, $matches_array, PREG_OFFSET_CAPTURE);
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$return_array = array();
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$last_offset = null;
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$current_key = '';
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foreach ($matches_array[2] as $value) {
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$offset = $value[1];
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if(!is_null($last_offset)) {
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$value_text = substr($data, $last_offset, $offset - $last_offset);
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$return_array[$current_key] = unserialize($value_text);
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}
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$current_key = $value[0];
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$last_offset = $offset + strlen($current_key) + 1;
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}
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$value_text = substr($data, $last_offset);
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$return_array[$current_key] = unserialize($value_text);
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return $return_array;
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}
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}
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}
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}
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@ -1,6 +1,9 @@
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<?php defined("SYSPATH") or die("No direct script access.") ?>
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<?php defined("SYSPATH") or die("No direct script access.") ?>
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<div id="g-admin-session-explorer" class="g-block">
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<div id="g-admin-session-explorer" class="g-block">
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<h1> <?= t("Top user agents and ips") ?> </h1>
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<h1> <?= t("Top user agents and ips") ?> </h1>
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<p>
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<?= t("Numbers are based on a sample size of %sample_size sessions", array("sample_size" => $sample_size)) ?>
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</p>
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<div class="g-block-content">
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<div class="g-block-content">
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<h2> <?= t("User agents") ?> </h2>
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<h2> <?= t("User agents") ?> </h2>
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@ -11,8 +14,8 @@
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<th> <?= t("User agent") ?> </th>
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<th> <?= t("User agent") ?> </th>
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</tr>
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</tr>
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<? foreach ($uas as $ua => $count): ?>
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<? $rank = 0; ?>
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<? $rank = 0; ?>
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<? foreach ($uas as $ua => $count): ?>
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<tr class="<?= text::alternate("g-odd", "g-even") ?>">
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<tr class="<?= text::alternate("g-odd", "g-even") ?>">
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<td> <?= ++$rank ?> </td>
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<td> <?= ++$rank ?> </td>
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<td> <?= $count ?> </td>
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<td> <?= $count ?> </td>
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@ -31,8 +34,8 @@
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<th> <?= t("Internet address") ?> </th>
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<th> <?= t("Internet address") ?> </th>
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</tr>
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</tr>
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<? foreach ($ips as $ip => $count): ?>
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<? $rank = 0; ?>
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<? $rank = 0; ?>
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<? foreach ($ips as $ip => $count): ?>
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<tr class="<?= text::alternate("g-odd", "g-even") ?>">
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<tr class="<?= text::alternate("g-odd", "g-even") ?>">
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<td> <?= ++$rank ?> </td>
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<td> <?= ++$rank ?> </td>
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<td> <?= $count ?> </td>
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<td> <?= $count ?> </td>
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