* moved all the authentication work in libraries so it will be easier to add new authentication modes;
* started merging patch #463127 - Cookie based authentication, thanks to Piotr Roszatycki & Dan Wilson.
This commit is contained in:
Loïc Chapeaux
354
libraries/auth/cookie.auth.lib.php3
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354
libraries/auth/cookie.auth.lib.php3
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<?php
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/* $Id$ */
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// +--------------------------------------------------------------------------+
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// | Set of functions used to run cookie based authentication. |
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// | Thanks to Piotr Roszatycki <d3xter at users.sourceforge.net> and |
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// | Dan Wilson who builds this patch for the Debian package. |
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// +--------------------------------------------------------------------------+
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if (!defined('PMA_COOKIE_AUTH_INCLUDED')) {
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define('PMA_COOKIE_AUTH_INCLUDED', 1);
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/**
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* Sorts available languages by their true names
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*
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* @param array the array to be sorted
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* @param mixed a required parameter
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*
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* @return the sorted array
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*
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* @access private
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*/
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function PMA_cookie_cmp(&$a, $b)
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{
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return (strcmp($a[1], $b[1]));
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} // end of the 'PMA_cmp()' function
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/**
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* Displays authentication form
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*
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* @global string the font face to use
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* @global string the default font size to use
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* @global string the big font size to use
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* @global array the list of servers settings
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* @global array the list of available translations
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* @global string the current language
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* @global integer the current server id
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* @global array the array of cookie variables if register_globals is
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* off
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*
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* @return boolean always true (no return indeed)
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*
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* @access public
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*/
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function PMA_auth()
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{
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global $right_font_family, $font_size, $font_bigger;
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global $cfgServers, $available_languages;
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global $lang, $server;
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global $HTTP_COOKIE_VARS;
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// Tries to get the username from cookie whatever are the values of the
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// 'register_globals' and the 'variables_order' directives
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if (!empty($GLOBALS['pma_cookie_username'])) {
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$default_user = $GLOBALS['pma_cookie_username'];
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}
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else if (!empty($_COOKIE) && isset($_COOKIE['pma_cookie_username'])) {
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$default_user = $_COOKIE['pma_cookie_username'];
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}
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else if (!empty($HTTP_COOKIE_VARS) && isset($HTTP_COOKIE_VARS['pma_cookie_username'])) {
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$default_user = $HTTP_COOKIE_VARS['pma_cookie_username'];
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}
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$cell_align = ($GLOBALS['text_dir'] == 'ltr') ? 'left' : 'right';
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// Title
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?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $GLOBALS['available_languages'][$GLOBALS['lang']][2]; ?>" lang="<?php echo $GLOBALS['available_languages'][$GLOBALS['lang']][2]; ?>" dir="<?php echo $GLOBALS['text_dir']; ?>">
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<head>
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<title><?php echo 'phpMyAdmin ' . PMA_VERSION . ' - ' . $GLOBALS['strLogin']; ?></title>
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<style type="text/css">
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<!--
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body {font-family: <?php echo $right_font_family; ?>; font-size: <?php echo $font_size; ?>; color: #000000}
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form {font-family: <?php echo $right_font_family; ?>; font-size: <?php echo $font_size; ?>; font-weight: bold}
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h1 {font-family: <?php echo $right_font_family; ?>; font-size: <?php echo $font_bigger; ?>; font-weight: bold}
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.warning {font-family: <?php echo $right_font_family; ?>; font-size: <?php echo $font_size; ?>; font-weight: bold; color: #FF0000}
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//-->
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</style>
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</head>
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<body bgcolor="<?php echo $GLOBALS['cfgRightBgColor']; ?>">
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<center>
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<h1><?php echo sprintf($GLOBALS['strWelcome'], ' phpMyAdmin ' . PMA_VERSION); ?></h1>
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<br />
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<?php
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// Displays the languages form
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if (empty($cfgLang)) {
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echo "\n";
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?>
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<!-- Language selection -->
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<form method="post" action="index.php3">
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<input type="hidden" name="server" value="<?php echo $server; ?>" />
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Language:
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<select name="lang" dir="ltr" onchange="this.form.submit();">
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<?php
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echo "\n";
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uasort($available_languages, 'PMA_cookie_cmp');
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reset($available_languages);
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while (list($id, $tmplang) = each($available_languages)) {
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$lang_name = ucfirst(substr(strstr($tmplang[0], '|'), 1));
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if ($lang == $id) {
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$selected = ' selected="selected"';
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} else {
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$selected = '';
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}
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echo ' ';
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echo '<option value="' . $id . '"' . $selected . '>' . $lang_name . ' (' . $id . ')</option>' . "\n";
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} // end while
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?>
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</select>
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<input type="submit" value="Go" />
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</form>
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<br />
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<?php
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}
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echo "\n\n";
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// Displays the warning message and the login form
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?>
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<p class="warning"><?php echo $GLOBALS['strCookiesRequired']; ?></p>
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<br />
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<!-- Login form -->
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<form method="post" action="index.php3">
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<table cellpadding="5">
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<tr>
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<td align="<?php echo $cell_align; ?>"><?php echo $GLOBALS['strLogUsername']; ?> </td>
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<td align="<?php echo $cell_align; ?>">
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<input type="text" name="pma_username" value="<?php echo (isset($default_user) ? $default_user : ''); ?>" size="24" />
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</td>
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</tr>
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<tr>
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<td align="<?php echo $cell_align; ?>"><?php echo $GLOBALS['strLogPassword']; ?> </td>
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<td align="<?php echo $cell_align; ?>">
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<input type="text" name="pma_password" value="" size="24" />
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</td>
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</tr>
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<tr>
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<td align="<?php echo $cell_align; ?>"><?php echo $GLOBALS['strServerChoice']; ?> : </td>
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<td align="<?php echo $cell_align; ?>">
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<select name="server">
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<?php
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echo "\n";
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// Displays the MySQL servers choice
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reset($cfgServers);
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while (list($key, $val) = each($cfgServers)) {
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if (!empty($val['host'])) {
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echo ' <option value="' . $key . '"';
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if (!empty($server) && ($server == $key)) {
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echo ' selected="selected"';
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}
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echo '>';
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if ($val['verbose'] != '') {
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echo $val['verbose'];
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} else {
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echo $val['host'];
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if (!empty($val['port'])) {
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echo ':' . $val['port'];
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}
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// loic1: skip this because it's not a so good idea to
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// display sockets used to everybody
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// if (!empty($val['socket']) && PMA_PHP_INT_VERSION >= 30010) {
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// echo ':' . $val['socket'];
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// }
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}
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// loic1: if 'only_db' is an array and there is more than one
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// value, displaying such informations may not be a so
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// good idea
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if (!empty($val['only_db'])) {
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echo ' - ' . (is_array($val['only_db']) ? implode(', ', $val['only_db']) : $val['only_db']);
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}
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if (!empty($val['user']) && ($val['auth_type'] == 'basic')) {
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echo ' (' . $val['user'] . ')';
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}
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echo ' </option>' . "\n";
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} // end if (!empty($val['host']))
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} // end while
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?>
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</select>
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</td>
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</tr>
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<tr>
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<td colspan="2" align="center">
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<input type="hidden" name="lang" value="<?php echo $lang; ?>" />
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<input type="submit" value="<?php echo $GLOBALS['strLogin']; ?>" />
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</td>
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</tr>
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</table>
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</form>
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</center>
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</body>
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</html>
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<?php
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exit();
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return TRUE;
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} // end of the 'PMA_auth()' function
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/**
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* Gets advanced authentication settings
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*
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* @global string the username if register_globals is on
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* @global string the password if register_globals is on
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* @global array the array of cookie variables if register_globals is
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* off
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* @global string the username sent by the login form
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* @global string the password sent by the login form
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* @global string the username of the user who logs out
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* @global boolean whether the login/password pair is grabbed from a
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* cookie or not
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*
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* @return boolean whether we get authentication settings or not
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*
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* @access public
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*/
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function PMA_auth_check()
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{
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global $PHP_AUTH_USER, $PHP_AUTH_PW;
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global $HTTP_COOKIE_VARS;
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global $pma_username, $pma_password, $old_usr;
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global $from_cookie;
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// Initialization
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$PHP_AUTH_USER = $PHP_AUTH_PW = '';
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$from_cookie = FALSE;
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// The user wants to be logged out -> delete password cookie
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if (!empty($old_usr)) {
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setcookie('pma_cookie_password', '');
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}
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// The user just logged in
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else if (!empty($pma_username)) {
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$PHP_AUTH_USER = $pma_username;
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$PHP_AUTH_PW = (empty($pma_password)) ? '' : $pma_password;
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}
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// At the end, try to set the $PHP_AUTH_USER & $PHP_AUTH_PW variables
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// from cookies whatever are the values of the 'register_globals' and
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// the 'variables_order' directives
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else {
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if (!empty($pma_cookie_username)) {
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$PHP_AUTH_USER = $pma_cookie_username;
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}
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else if (!empty($_COOKIE) && isset($_COOKIE['pma_cookie_username'])) {
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$PHP_AUTH_USER = $_COOKIE['pma_cookie_username'];
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}
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else if (!empty($HTTP_COOKIE_VARS) && isset($HTTP_COOKIE_VARS['pma_cookie_username'])) {
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$PHP_AUTH_USER = $HTTP_COOKIE_VARS['pma_cookie_username'];
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}
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if (!empty($pma_cookie_password)) {
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$PHP_AUTH_PW = $pma_cookie_password;
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$from_cookie = TRUE;
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}
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else if (!empty($_COOKIE) && isset($_COOKIE['pma_cookie_password'])) {
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$PHP_AUTH_PW = $_COOKIE['pma_cookie_password'];
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$from_cookie = TRUE;
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}
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else if (!empty($HTTP_COOKIE_VARS) && isset($HTTP_COOKIE_VARS['pma_cookie_password'])) {
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$PHP_AUTH_PW = $HTTP_COOKIE_VARS['pma_cookie_password'];
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$from_cookie = TRUE;
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}
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}
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// Returns whether we get authentication settings or not
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if (empty($PHP_AUTH_USER)) {
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return FALSE;
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} else {
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if (get_magic_quotes_gpc()) {
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$PHP_AUTH_USER = stripslashes($PHP_AUTH_USER);
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$PHP_AUTH_PW = stripslashes($PHP_AUTH_PW);
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}
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return TRUE;
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}
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} // end of the 'PMA_auth_check()' function
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/**
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* Set the user and password after last checkings if required
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*
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* @global array the valid servers settings
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* @global integer the id of the current server
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* @global array the current server settings
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* @global string the current username
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* @global string the current password
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* @global boolean whether the login/password pair has been grabbed from
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* a cookie or not
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*
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* @return boolean always true
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*
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* @access public
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*/
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function PMA_auth_set_user()
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{
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global $cfgServers, $server, $cfgServer;
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global $PHP_AUTH_USER, $PHP_AUTH_PW;
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global $from_cookie;
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// Ensures the valid 'only_db' setting is used
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if ($cfgServer['user'] != $PHP_AUTH_USER) {
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$servers_cnt = count($cfgServers);
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for ($i = 1; $i <= $servers_cnt; $i++) {
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if (isset($cfgServers[$i])
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&& ($cfgServers[$i]['host'] == $cfgServer['host'] && $cfgServers[$i]['user'] == $PHP_AUTH_USER)) {
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$server = $i;
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$cfgServer = $cfgServers[$i];
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break;
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}
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} // end for
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} // end if
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$cfgServer['user'] = $PHP_AUTH_USER;
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$cfgServer['password'] = $PHP_AUTH_PW;
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// Set cookies if required (once per session)
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if (!$from_cookie) {
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// Duration = one month for username
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setcookie('pma_cookie_username', $cfgServer['user'], time() + (60 * 60 * 24 * 30));
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// Duration = till the browser is closed for password
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setcookie('pma_cookie_password', $cfgServer['password']);
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}
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return TRUE;
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} // end of the 'PMA_auth_set_user()' function
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/**
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* User is not allowed to login to MySQL -> authentication failed
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*
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* @return boolean always true (no return indeed)
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*
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* @access public
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*/
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function PMA_auth_fails()
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{
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// Deletes password cookie and displays the login form
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setcookie('pma_cookie_password', '');
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PMA_auth();
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return TRUE;
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} // end of the 'PMA_auth()' function
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} // $__PMA_COOKIE_AUTH_LIB__
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?>
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