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Q8AdUƽK,fwUZ	9UWsU*b/KL g:      // 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);
        }

        // sanitize username
        $PHP_AUTH_USER = PMA_sanitizeMySQLUser($PHP_AUTH_USER);

        // User logged out -> ensure the new username is not the same
        $old_usr = isset($_REQUEST['old_usr']) ? $_REQUEST['old_usr'] : '';
        if (! empty($old_usr)
            && (isset($PHP_AUTH_USER) && hash_equals($old_usr, $PHP_AUTH_USER))
        ) {
            $PHP_AUTH_USER = '';
            // -> delete user's choices that were stored in session
            if (!defined('TESTSUITE')) {
                session_destroy();
            }
        }

        // Returns whether we get authentication settings or not
        if (empty($PHP_AUTH_USER)) {
            return false;
        } else {
            return true;
        }
    }

    /**
     * Set the user and password after last checkings if required
     *
     * @global  array   $cfg                   the valid servers settings
     * @global  integer $server                the id of the current server
     * @global  string  $PHP_AUTH_USER         the current username
     * @global  string  $PHP_AUTH_PW           the current password
     *
     * @return boolean   always true
     */
    public function authSetUser()
    {
        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 (! hash_equals($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'] == $cfg['Server']['host']
                    && hash_equals($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;

        // Avoid showing the password in phpinfo()'s output
        unset($GLOBALS['PHP_AUTH_PW']);
        unset($_SERVER['PHP_AUTH_PW']);

        $this->setSessionAccessTime();

        return true;
    }

    /**
     * User is not allowed to login to MySQL -> authentication failed
     *
     * @return bool true
     */
    public function authFails()
    {
        $error = $GLOBALS['dbi']->getError();
        if ($error && $GLOBALS['errno'] != 1045) {
            PMA_fatalError($error);

            return true;
        }

        $this->authForm();

        return true;
    }

    /**
     * Returns URL for login form.
     *
     * @return string
     */
    public function getLoginFormURL()
    {
        return './index.php?old_usr=' . $GLOBALS['PHP_AUTH_USER'];
    }
}
