mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
ba69ce1d7e
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@91609 467b73ca-7a2a-4603-9d3b-597d59a354a9
116 lines
3.6 KiB
PHP
Executable File
116 lines
3.6 KiB
PHP
Executable File
<?php
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/**
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* Provides an interface to HTTP basic authentication.
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*
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* This utility class can be used to secure any request with basic authentication. To do so,
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* {@link BasicAuth::requireLogin()} from your Controller's init() method or action handler method.
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*
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* It also has a function to protect your entire site. See {@link BasicAuth::protect_entire_site()}
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* for more information.
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*
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* @package sapphire
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* @subpackage security
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*/
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class BasicAuth extends Object {
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/**
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* Flag set by {@link self::protect_entire_site()}
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*/
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private static $entire_site_protected = false;
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/**
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* Require basic authentication. Will request a username and password if none is given.
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*
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* Used by {@link Controller::init()}.
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*
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* @param string $realm
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* @param string|array $permissionCode
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* @return Member $member
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*/
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static function requireLogin($realm, $permissionCode) {
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if(!Security::database_is_ready() || Director::is_cli()) return true;
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if(isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
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$member = MemberAuthenticator::authenticate(array(
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'Email' => $_SERVER['PHP_AUTH_USER'],
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'Password' => $_SERVER['PHP_AUTH_PW'],
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), null);
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if($member) {
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$authenticated = true;
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}
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}
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// If we've failed the authentication mechanism, then show the login form
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if(!isset($authenticated)) {
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header("WWW-Authenticate: Basic realm=\"$realm\"");
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header($_SERVER['SERVER_PROTOCOL'] . ' 401 Unauthorized');
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if(isset($_SERVER['PHP_AUTH_USER'])) {
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echo _t('BasicAuth.ERRORNOTREC', "That username / password isn't recognised");
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} else {
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echo _t('BasicAuth.ENTERINFO', "Please enter a username and password.");
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}
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die();
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}
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if(!Permission::checkMember($member->ID, $permissionCode)) {
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header("WWW-Authenticate: Basic realm=\"$realm\"");
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header($_SERVER['SERVER_PROTOCOL'] . ' 401 Unauthorized');
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if(isset($_SERVER['PHP_AUTH_USER'])) {
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echo _t('BasicAuth.ERRORNOTADMIN', "That user is not an administrator.");
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}
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die();
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}
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return $member;
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}
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/**
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* Enable protection of the entire site with basic authentication.
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*
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* This log-in uses the Member database for authentication, but doesn't interfere with the
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* regular log-in form. This can be useful for test sites, where you want to hide the site
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* away from prying eyes, but still be able to test the regular log-in features of the site.
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*
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* If you are including conf/ConfigureFromEnv.php in your _config.php file, you can also enable
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* this feature by adding this line to your _ss_environment.php:
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*
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* define('SS_USE_BASIC_AUTH', true);
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*
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* @param $protect Set this to false to disable protection.
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*/
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static function protect_entire_site($protect = true) {
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return self::$entire_site_protected = $protect;
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}
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/**
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* @deprecated Use BasicAuth::protect_entire_site() instead.
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*/
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static function enable() {
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user_error("BasicAuth::enable() is deprated. Use BasicAuth::protect_entire_site() instead.", E_USER_NOTICE);
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return self::protect_entire_site();
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}
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/**
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* @deprecated Use BasicAuth::protect_entire_site(false) instead.
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*/
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static function disable() {
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user_error("BasicAuth::disable() is deprated. Use BasicAuth::protect_entire_site(false) instead.", E_USER_NOTICE);
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return self::protect_entire_site(false);
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}
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/**
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* Call {@link BasicAuth::requireLogin()} if {@link BasicAuth::protect_entire_site()} has been called.
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* This is a helper function used by Controller.
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*/
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static function protect_site_if_necessary() {
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if(self::$entire_site_protected) {
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self::requireLogin("SilverStripe test website. Use your CMS login.", "ADMIN");
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}
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}
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}
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