📄 http.auth.lib.php
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<?php/* vim: set expandtab sw=4 ts=4 sts=4: *//** * Set of functions used to run http authentication. * NOTE: Requires PHP loaded as a Apache module. * * @version $Id: http.auth.lib.php 11468 2008-08-08 16:15:16Z lem9 $ *//** * Displays authentication form * * @global string the font face to use in case of failure * @global string the default font size to use in case of failure * @global string the big font size to use in case of failure * * @return boolean always true (no return indeed) * * @access public */function PMA_auth(){ /* Perform logout to custom URL */ if (!empty($_REQUEST['old_usr']) && !empty($GLOBALS['cfg']['Server']['LogoutURL'])) { PMA_sendHeaderLocation($GLOBALS['cfg']['Server']['LogoutURL']); exit; } if (empty($GLOBALS['cfg']['Server']['verbose'])) { $server_message = $GLOBALS['cfg']['Server']['host']; } else { $server_message = $GLOBALS['cfg']['Server']['verbose']; } // remove non US-ASCII to respect RFC2616 $server_message = preg_replace('/[^\x20-\x7e]/i', '', $server_message); header('WWW-Authenticate: Basic realm="phpMyAdmin ' . $server_message . '"'); header('HTTP/1.0 401 Unauthorized'); if (php_sapi_name() !== 'cgi-fcgi') { header('status: 401 Unauthorized'); } // Defines the charset to be used header('Content-Type: text/html; charset=' . $GLOBALS['charset']); /* HTML header */ $page_title = $GLOBALS['strAccessDenied']; require './libraries/header_meta_style.inc.php'; ?></head><body> <?php if (file_exists('./config.header.inc.php')) { require './config.header.inc.php'; } ?><br /><br /><center> <h1><?php echo sprintf($GLOBALS['strWelcome'], ' phpMyAdmin'); ?></h1></center><br /> <?php PMA_Message::error('strWrongUser')->display(); if (file_exists('./config.footer.inc.php')) { require './config.footer.inc.php'; } ?></body></html> <?php exit();} // end of the 'PMA_auth()' function/** * Gets advanced authentication settings * * @global string the username if register_globals is on * @global string the password if register_globals is on * @global array the array of server variables if register_globals is * off * @global array the array of environment variables if register_globals * is off * @global string the username for the ? server * @global string the password for the ? server * @global string the username for the WebSite Professional server * @global string the password for the WebSite Professional server * @global string the username of the user who logs out * * @return boolean whether we get authentication settings or not * * @access public */function PMA_auth_check(){ global $PHP_AUTH_USER, $PHP_AUTH_PW; global $old_usr; // Grabs the $PHP_AUTH_USER variable whatever are the values of the // 'register_globals' and the 'variables_order' directives if (empty($PHP_AUTH_USER)) { if (PMA_getenv('PHP_AUTH_USER')) { $PHP_AUTH_USER = PMA_getenv('PHP_AUTH_USER'); } elseif (PMA_getenv('REMOTE_USER')) { // CGI, might be encoded, see below $PHP_AUTH_USER = PMA_getenv('REMOTE_USER'); } elseif (PMA_getenv('REDIRECT_REMOTE_USER')) { // CGI, might be encoded, see below $PHP_AUTH_USER = PMA_getenv('REDIRECT_REMOTE_USER'); } elseif (PMA_getenv('AUTH_USER')) { // WebSite Professional $PHP_AUTH_USER = PMA_getenv('AUTH_USER'); } elseif (PMA_getenv('HTTP_AUTHORIZATION')) { // IIS, might be encoded, see below $PHP_AUTH_USER = PMA_getenv('HTTP_AUTHORIZATION'); } elseif (PMA_getenv('Authorization')) { // FastCGI, might be encoded, see below $PHP_AUTH_USER = PMA_getenv('Authorization'); } } // Grabs the $PHP_AUTH_PW variable whatever are the values of the // 'register_globals' and the 'variables_order' directives if (empty($PHP_AUTH_PW)) { if (PMA_getenv('PHP_AUTH_PW')) { $PHP_AUTH_PW = PMA_getenv('PHP_AUTH_PW'); } elseif (PMA_getenv('REMOTE_PASSWORD')) { // Apache/CGI $PHP_AUTH_PW = PMA_getenv('REMOTE_PASSWORD'); } elseif (PMA_getenv('AUTH_PASSWORD')) { // WebSite Professional $PHP_AUTH_PW = PMA_getenv('AUTH_PASSWORD'); } } // Decode possibly encoded information (used by IIS/CGI/FastCGI) // (do not use explode() because a user might have a colon in his password if (strcmp(substr($PHP_AUTH_USER, 0, 6), 'Basic ') == 0) { $usr_pass = base64_decode(substr($PHP_AUTH_USER, 6)); if (! empty($usr_pass)) { $colon = strpos($usr_pass, ':'); if ($colon) { $PHP_AUTH_USER = substr($usr_pass, 0, $colon); $PHP_AUTH_PW = substr($usr_pass, $colon + 1); } unset($colon); } unset($usr_pass); } // User logged out -> ensure the new username is not the same if (!empty($old_usr) && (isset($PHP_AUTH_USER) && $old_usr == $PHP_AUTH_USER)) { $PHP_AUTH_USER = ''; // -> delete user's choices that were stored in session session_destroy(); } // Returns whether we get authentication settings or not if (empty($PHP_AUTH_USER)) { return false; } else { return true; }} // end of the 'PMA_auth_check()' function/** * Set the user and password after last checkings if required * * @global array the valid servers settings * @global integer the id of the current server * @global array the current server settings * @global string the current username * @global string the current password * * @return boolean always true * * @access public */function PMA_auth_set_user(){ global $cfg, $server; global $PHP_AUTH_USER, $PHP_AUTH_PW; // Ensures valid authentication mode, 'only_db', bookmark database and // table names and relation table name are used if ($cfg['Server']['user'] != $PHP_AUTH_USER) { $servers_cnt = count($cfg['Servers']); for ($i = 1; $i <= $servers_cnt; $i++) { if (isset($cfg['Servers'][$i]) && ($cfg['Servers'][$i]['host'] == $cfg['Server']['host'] && $cfg['Servers'][$i]['user'] == $PHP_AUTH_USER)) { $server = $i; $cfg['Server'] = $cfg['Servers'][$i]; break; } } // end for } // end if $cfg['Server']['user'] = $PHP_AUTH_USER; $cfg['Server']['password'] = $PHP_AUTH_PW; return true;} // end of the 'PMA_auth_set_user()' function/** * User is not allowed to login to MySQL -> authentication failed * * @return boolean always true (no return indeed) * * @access public */function PMA_auth_fails(){ $error = PMA_DBI_getError(); if ($error && $GLOBALS['errno'] != 1045) { PMA_fatalError($error); } else { PMA_auth(); return true; }} // end of the 'PMA_auth_fails()' function?>⌨️ 快捷键说明
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