1240 lines
40 KiB
PHP
1240 lines
40 KiB
PHP
<?php
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namespace SilverStripe\Security;
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use Page;
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use LogicException;
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use SilverStripe\CMS\Controllers\ContentController;
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use SilverStripe\Control\Controller;
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use SilverStripe\Control\Director;
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use SilverStripe\Control\HTTPRequest;
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use SilverStripe\Control\HTTPResponse;
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use SilverStripe\Control\Session;
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use SilverStripe\Core\ClassInfo;
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use SilverStripe\Core\Config\Config;
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use SilverStripe\Core\Convert;
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use SilverStripe\Dev\Deprecation;
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use SilverStripe\Dev\TestOnly;
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use SilverStripe\Forms\EmailField;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\Forms\Form;
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use SilverStripe\Forms\FormAction;
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use SilverStripe\ORM\ArrayList;
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use SilverStripe\ORM\DB;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\ORM\FieldType\DBField;
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use SilverStripe\ORM\ValidationResult;
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use SilverStripe\View\ArrayData;
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use SilverStripe\View\SSViewer;
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use SilverStripe\View\TemplateGlobalProvider;
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use Exception;
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use SilverStripe\View\ViewableData_Customised;
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use Subsite;
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/**
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* Implements a basic security model
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*/
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class Security extends Controller implements TemplateGlobalProvider
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{
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private static $allowed_actions = array(
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'index',
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'login',
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'logout',
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'basicauthlogin',
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'lostpassword',
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'passwordsent',
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'changepassword',
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'ping',
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'LoginForm',
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'ChangePasswordForm',
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'LostPasswordForm',
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);
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/**
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* Default user name. Only used in dev-mode by {@link setDefaultAdmin()}
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*
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* @var string
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* @see setDefaultAdmin()
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*/
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protected static $default_username;
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/**
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* Default password. Only used in dev-mode by {@link setDefaultAdmin()}
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*
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* @var string
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* @see setDefaultAdmin()
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*/
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protected static $default_password;
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/**
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* If set to TRUE to prevent sharing of the session across several sites
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* in the domain.
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*
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* @config
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* @var bool
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*/
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protected static $strict_path_checking = false;
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/**
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* The password encryption algorithm to use by default.
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* This is an arbitrary code registered through {@link PasswordEncryptor}.
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*
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* @config
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* @var string
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*/
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private static $password_encryption_algorithm = 'blowfish';
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/**
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* Showing "Remember me"-checkbox
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* on loginform, and saving encrypted credentials to a cookie.
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*
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* @config
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* @var bool
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*/
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private static $autologin_enabled = true;
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/**
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* Determine if login username may be remembered between login sessions
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* If set to false this will disable autocomplete and prevent username persisting in the session
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*
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* @config
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* @var bool
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*/
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private static $remember_username = true;
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/**
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* Location of word list to use for generating passwords
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*
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* @config
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* @var string
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*/
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private static $word_list = './wordlist.txt';
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/**
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* @config
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* @var string
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*/
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private static $template = 'BlankPage';
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/**
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* Template thats used to render the pages.
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*
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* @var string
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* @config
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*/
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private static $template_main = 'Page';
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/**
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* Class to use for page rendering
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*
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* @var string
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* @config
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*/
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private static $page_class = Page::class;
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/**
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* Default message set used in permission failures.
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*
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* @config
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* @var array|string
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*/
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private static $default_message_set;
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/**
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* Random secure token, can be used as a crypto key internally.
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* Generate one through 'sake dev/generatesecuretoken'.
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*
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* @config
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* @var String
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*/
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private static $token;
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/**
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* The default login URL
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*
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* @config
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*
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* @var string
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*/
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private static $login_url = "Security/login";
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/**
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* The default logout URL
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*
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* @config
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*
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* @var string
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*/
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private static $logout_url = "Security/logout";
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/**
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* The default lost password URL
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*
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* @config
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*
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* @var string
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*/
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private static $lost_password_url = "Security/lostpassword";
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/**
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* Value of X-Frame-Options header
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*
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* @config
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* @var string
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*/
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private static $frame_options = 'SAMEORIGIN';
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/**
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* Value of the X-Robots-Tag header (for the Security section)
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*
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* @config
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* @var string
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*/
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private static $robots_tag = 'noindex, nofollow';
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/**
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* Enable or disable recording of login attempts
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* through the {@link LoginRecord} object.
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*
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* @config
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* @var boolean $login_recording
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*/
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private static $login_recording = false;
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/**
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* @var boolean If set to TRUE or FALSE, {@link database_is_ready()}
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* will always return FALSE. Used for unit testing.
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*/
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static $force_database_is_ready = null;
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/**
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* When the database has once been verified as ready, it will not do the
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* checks again.
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*
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* @var bool
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*/
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static $database_is_ready = false;
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/**
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* Register that we've had a permission failure trying to view the given page
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*
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* This will redirect to a login page.
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* If you don't provide a messageSet, a default will be used.
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*
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* @param Controller $controller The controller that you were on to cause the permission
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* failure.
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* @param string|array $messageSet The message to show to the user. This
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* can be a string, or a map of different
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* messages for different contexts.
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* If you pass an array, you can use the
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* following keys:
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* - default: The default message
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* - alreadyLoggedIn: The message to
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* show if the user
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* is already logged
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* in and lacks the
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* permission to
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* access the item.
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*
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* The alreadyLoggedIn value can contain a '%s' placeholder that will be replaced with a link
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* to log in.
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* @return HTTPResponse
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*/
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public static function permissionFailure($controller = null, $messageSet = null)
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{
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self::set_ignore_disallowed_actions(true);
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if (!$controller) {
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$controller = Controller::curr();
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}
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if (Director::is_ajax()) {
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$response = ($controller) ? $controller->getResponse() : new HTTPResponse();
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$response->setStatusCode(403);
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if (!Member::currentUser()) {
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$response->setBody(_t('SilverStripe\\CMS\\Controllers\\ContentController.NOTLOGGEDIN', 'Not logged in'));
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$response->setStatusDescription(_t('SilverStripe\\CMS\\Controllers\\ContentController.NOTLOGGEDIN', 'Not logged in'));
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// Tell the CMS to allow re-aunthentication
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if (CMSSecurity::enabled()) {
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$response->addHeader('X-Reauthenticate', '1');
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}
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}
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return $response;
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}
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// Prepare the messageSet provided
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if (!$messageSet) {
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if ($configMessageSet = static::config()->get('default_message_set')) {
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$messageSet = $configMessageSet;
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} else {
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$messageSet = array(
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'default' => _t(
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'SilverStripe\\Security\\Security.NOTEPAGESECURED',
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"That page is secured. Enter your credentials below and we will send "
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. "you right along."
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),
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'alreadyLoggedIn' => _t(
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'SilverStripe\\Security\\Security.ALREADYLOGGEDIN',
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"You don't have access to this page. If you have another account that "
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. "can access that page, you can log in again below.",
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"%s will be replaced with a link to log in."
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)
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);
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}
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}
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if (!is_array($messageSet)) {
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$messageSet = array('default' => $messageSet);
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}
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$member = Member::currentUser();
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// Work out the right message to show
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if ($member && $member->exists()) {
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$response = ($controller) ? $controller->getResponse() : new HTTPResponse();
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$response->setStatusCode(403);
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//If 'alreadyLoggedIn' is not specified in the array, then use the default
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//which should have been specified in the lines above
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if (isset($messageSet['alreadyLoggedIn'])) {
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$message = $messageSet['alreadyLoggedIn'];
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} else {
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$message = $messageSet['default'];
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}
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// Somewhat hackish way to render a login form with an error message.
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$me = new Security();
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$form = $me->LoginForm();
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$form->sessionMessage($message, ValidationResult::TYPE_WARNING);
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Session::set('MemberLoginForm.force_message', 1);
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$loginResponse = $me->login();
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if ($loginResponse instanceof HTTPResponse) {
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return $loginResponse;
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}
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$response->setBody((string)$loginResponse);
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$controller->extend('permissionDenied', $member);
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return $response;
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} else {
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$message = $messageSet['default'];
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}
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static::setLoginMessage($message, ValidationResult::TYPE_WARNING);
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Session::set("BackURL", $_SERVER['REQUEST_URI']);
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// TODO AccessLogEntry needs an extension to handle permission denied errors
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// Audit logging hook
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$controller->extend('permissionDenied', $member);
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return $controller->redirect(Controller::join_links(
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Security::config()->uninherited('login_url'),
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"?BackURL=" . urlencode($_SERVER['REQUEST_URI'])
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));
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}
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protected function init()
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{
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parent::init();
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// Prevent clickjacking, see https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
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$frameOptions = $this->config()->get('frame_options');
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if ($frameOptions) {
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$this->getResponse()->addHeader('X-Frame-Options', $frameOptions);
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}
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// Prevent search engines from indexing the login page
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$robotsTag = $this->config()->get('robots_tag');
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if ($robotsTag) {
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$this->getResponse()->addHeader('X-Robots-Tag', $robotsTag);
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}
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}
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public function index()
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{
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return $this->httpError(404); // no-op
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}
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/**
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* Get the selected authenticator for this request
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*
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* @return string Class name of Authenticator
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* @throws LogicException
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*/
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protected function getAuthenticator()
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{
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$authenticator = $this->getRequest()->requestVar('AuthenticationMethod');
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if ($authenticator && Authenticator::is_registered($authenticator)) {
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return $authenticator;
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} elseif ($authenticator !== '' && Authenticator::is_registered(Authenticator::get_default_authenticator())) {
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return Authenticator::get_default_authenticator();
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}
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throw new LogicException('No valid authenticator found');
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}
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/**
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* Get the login form to process according to the submitted data
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*
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* @return Form
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* @throws Exception
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*/
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public function LoginForm()
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{
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$authenticator = $this->getAuthenticator();
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if ($authenticator) {
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return $authenticator::get_login_form($this);
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}
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throw new Exception('Passed invalid authentication method');
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}
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/**
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* Get the login forms for all available authentication methods
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*
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* @return array Returns an array of available login forms (array of Form
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* objects).
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*
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* @todo Check how to activate/deactivate authentication methods
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*/
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public function GetLoginForms()
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{
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$forms = array();
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$authenticators = Authenticator::get_authenticators();
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foreach ($authenticators as $authenticator) {
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$forms[] = $authenticator::get_login_form($this);
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}
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return $forms;
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}
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/**
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* Get a link to a security action
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*
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* @param string $action Name of the action
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* @return string Returns the link to the given action
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*/
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public function Link($action = null)
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{
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/** @skipUpgrade */
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return Controller::join_links(Director::baseURL(), "Security", $action);
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}
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/**
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* This action is available as a keep alive, so user
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* sessions don't timeout. A common use is in the admin.
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*/
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public function ping()
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{
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return 1;
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}
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/**
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* Log the currently logged in user out
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*
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* @param bool $redirect Redirect the user back to where they came.
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* - If it's false, the code calling logout() is
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* responsible for sending the user where-ever
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* they should go.
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* @return HTTPResponse|null
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*/
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public function logout($redirect = true)
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{
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$member = Member::currentUser();
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if ($member) {
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$member->logOut();
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}
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if ($redirect && (!$this->getResponse()->isFinished())) {
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return $this->redirectBack();
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}
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return null;
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}
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/**
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* Perform pre-login checking and prepare a response if available prior to login
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*
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* @return HTTPResponse Substitute response object if the login process should be curcumvented.
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* Returns null if should proceed as normal.
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*/
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protected function preLogin()
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{
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// Event handler for pre-login, with an option to let it break you out of the login form
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$eventResults = $this->extend('onBeforeSecurityLogin');
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// If there was a redirection, return
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if ($this->redirectedTo()) {
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return $this->getResponse();
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}
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// If there was an HTTPResponse object returned, then return that
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if ($eventResults) {
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foreach ($eventResults as $result) {
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if ($result instanceof HTTPResponse) {
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return $result;
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}
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}
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}
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// If arriving on the login page already logged in, with no security error, and a ReturnURL then redirect
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// back. The login message check is neccesary to prevent infinite loops where BackURL links to
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// an action that triggers Security::permissionFailure.
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// This step is necessary in cases such as automatic redirection where a user is authenticated
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// upon landing on an SSL secured site and is automatically logged in, or some other case
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// where the user has permissions to continue but is not given the option.
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if ($this->getRequest()->requestVar('BackURL')
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&& !$this->getLoginMessage()
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&& ($member = Member::currentUser())
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&& $member->exists()
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) {
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return $this->redirectBack();
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}
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return null;
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}
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/**
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* Prepare the controller for handling the response to this request
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*
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* @param string $title Title to use
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* @return Controller
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*/
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protected function getResponseController($title)
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{
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// Use the default setting for which Page to use to render the security page
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$pageClass = $this->stat('page_class');
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if (!$pageClass || !class_exists($pageClass)) {
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return $this;
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}
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// Create new instance of page holder
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/** @var Page $holderPage */
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$holderPage = new $pageClass;
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$holderPage->Title = $title;
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/** @skipUpgrade */
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$holderPage->URLSegment = 'Security';
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// Disable ID-based caching of the log-in page by making it a random number
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$holderPage->ID = -1 * rand(1, 10000000);
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$controllerClass = $holderPage->getControllerName();
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/** @var ContentController $controller */
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$controller = $controllerClass::create($holderPage);
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$controller->setDataModel($this->model);
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$controller->doInit();
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return $controller;
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}
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/**
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* Combine the given forms into a formset with a tabbed interface
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*
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* @param array $forms List of LoginForm instances
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* @return string
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*/
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protected function generateLoginFormSet($forms)
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{
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$viewData = new ArrayData(array(
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'Forms' => new ArrayList($forms),
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));
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return $viewData->renderWith(
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$this->getTemplatesFor('MultiAuthenticatorLogin')
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);
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}
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/**
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* Get the HTML Content for the $Content area during login
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*
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* @param string &$messageType Type of message, if available, passed back to caller
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* @return string Message in HTML format
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*/
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protected function getLoginMessage(&$messageType = null)
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{
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$message = Session::get('Security.Message.message');
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$messageType = null;
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if (empty($message)) {
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return null;
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}
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$messageType = Session::get('Security.Message.type');
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$messageCast = Session::get('Security.Message.cast');
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if ($messageCast !== ValidationResult::CAST_HTML) {
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$message = Convert::raw2xml($message);
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}
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return sprintf('<p class="message %s">%s</p>', Convert::raw2att($messageType), $message);
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}
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/**
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* Set the next message to display for the security login page. Defaults to warning
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*
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* @param string $message Message
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* @param string $messageType Message type. One of ValidationResult::TYPE_*
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* @param string $messageCast Message cast. One of ValidationResult::CAST_*
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*/
|
|
public static function setLoginMessage(
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$message,
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$messageType = ValidationResult::TYPE_WARNING,
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$messageCast = ValidationResult::CAST_TEXT
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) {
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Session::set("Security.Message.message", $message);
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Session::set("Security.Message.type", $messageType);
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Session::set("Security.Message.cast", $messageCast);
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}
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|
/**
|
|
* Clear login message
|
|
*/
|
|
public static function clearLoginMessage()
|
|
{
|
|
Session::clear("Security.Message");
|
|
}
|
|
|
|
|
|
/**
|
|
* Show the "login" page
|
|
*
|
|
* For multiple authenticators, Security_MultiAuthenticatorLogin is used.
|
|
* See getTemplatesFor and getIncludeTemplate for how to override template logic
|
|
*
|
|
* @return string|HTTPResponse Returns the "login" page as HTML code.
|
|
*/
|
|
public function login()
|
|
{
|
|
// Check pre-login process
|
|
if ($response = $this->preLogin()) {
|
|
return $response;
|
|
}
|
|
|
|
// Get response handler
|
|
$controller = $this->getResponseController(_t('SilverStripe\\Security\\Security.LOGIN', 'Log in'));
|
|
|
|
// if the controller calls Director::redirect(), this will break early
|
|
if (($response = $controller->getResponse()) && $response->isFinished()) {
|
|
return $response;
|
|
}
|
|
|
|
$forms = $this->GetLoginForms();
|
|
if (!count($forms)) {
|
|
user_error(
|
|
'No login-forms found, please use Authenticator::register_authenticator() to add one',
|
|
E_USER_ERROR
|
|
);
|
|
}
|
|
|
|
// Handle any form messages from validation, etc.
|
|
$messageType = '';
|
|
$message = $this->getLoginMessage($messageType);
|
|
|
|
// We've displayed the message in the form output, so reset it for the next run.
|
|
static::clearLoginMessage();
|
|
|
|
// only display tabs when more than one authenticator is provided
|
|
// to save bandwidth and reduce the amount of custom styling needed
|
|
if (count($forms) > 1) {
|
|
$content = $this->generateLoginFormSet($forms);
|
|
} else {
|
|
$content = $forms[0]->forTemplate();
|
|
}
|
|
|
|
// Finally, customise the controller to add any form messages and the form.
|
|
$customisedController = $controller->customise(array(
|
|
"Content" => DBField::create_field('HTMLFragment', $message),
|
|
"Message" => DBField::create_field('HTMLFragment', $message),
|
|
"MessageType" => $messageType,
|
|
"Form" => $content,
|
|
));
|
|
|
|
// Return the customised controller
|
|
return $customisedController->renderWith(
|
|
$this->getTemplatesFor('login')
|
|
);
|
|
}
|
|
|
|
public function basicauthlogin()
|
|
{
|
|
$member = BasicAuth::requireLogin("SilverStripe login", 'ADMIN');
|
|
$member->logIn();
|
|
}
|
|
|
|
/**
|
|
* Show the "lost password" page
|
|
*
|
|
* @return string Returns the "lost password" page as HTML code.
|
|
*/
|
|
public function lostpassword()
|
|
{
|
|
$controller = $this->getResponseController(_t('SilverStripe\\Security\\Security.LOSTPASSWORDHEADER', 'Lost Password'));
|
|
|
|
// if the controller calls Director::redirect(), this will break early
|
|
if (($response = $controller->getResponse()) && $response->isFinished()) {
|
|
return $response;
|
|
}
|
|
|
|
$message = _t(
|
|
'SilverStripe\\Security\\Security.NOTERESETPASSWORD',
|
|
'Enter your e-mail address and we will send you a link with which you can reset your password'
|
|
);
|
|
/** @var ViewableData_Customised $customisedController */
|
|
$customisedController = $controller->customise(array(
|
|
'Content' => DBField::create_field('HTMLFragment', "<p>$message</p>"),
|
|
'Form' => $this->LostPasswordForm(),
|
|
));
|
|
|
|
//Controller::$currentController = $controller;
|
|
$result = $customisedController->renderWith($this->getTemplatesFor('lostpassword'));
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Factory method for the lost password form
|
|
*
|
|
* @skipUpgrade
|
|
* @return Form Returns the lost password form
|
|
*/
|
|
public function LostPasswordForm()
|
|
{
|
|
return MemberLoginForm::create(
|
|
$this,
|
|
Config::inst()->get('Authenticator', 'default_authenticator'),
|
|
'LostPasswordForm',
|
|
new FieldList(
|
|
new EmailField('Email', _t('SilverStripe\\Security\\Member.EMAIL', 'Email'))
|
|
),
|
|
new FieldList(
|
|
new FormAction(
|
|
'forgotPassword',
|
|
_t(__CLASS__.'.BUTTONSEND', 'Send me the password reset link')
|
|
)
|
|
),
|
|
false
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
* Show the "password sent" page, after a user has requested
|
|
* to reset their password.
|
|
*
|
|
* @param HTTPRequest $request The HTTPRequest for this action.
|
|
* @return string Returns the "password sent" page as HTML code.
|
|
*/
|
|
public function passwordsent($request)
|
|
{
|
|
$controller = $this->getResponseController(_t('SilverStripe\\Security\\Security.LOSTPASSWORDHEADER', 'Lost Password'));
|
|
|
|
// if the controller calls Director::redirect(), this will break early
|
|
if (($response = $controller->getResponse()) && $response->isFinished()) {
|
|
return $response;
|
|
}
|
|
|
|
$email = Convert::raw2xml(rawurldecode($request->param('ID')) . '.' . $request->getExtension());
|
|
|
|
$message = _t(
|
|
'SilverStripe\\Security\\Security.PASSWORDSENTTEXT',
|
|
"Thank you! A reset link has been sent to '{email}', provided an account exists for this email"
|
|
. " address.",
|
|
array('email' => Convert::raw2xml($email))
|
|
);
|
|
$customisedController = $controller->customise(array(
|
|
'Title' => _t(
|
|
'SilverStripe\\Security\\Security.PASSWORDSENTHEADER',
|
|
"Password reset link sent to '{email}'",
|
|
array('email' => $email)
|
|
),
|
|
'Content' => DBField::create_field('HTMLFragment', "<p>$message</p>"),
|
|
'Email' => $email
|
|
));
|
|
|
|
//Controller::$currentController = $controller;
|
|
return $customisedController->renderWith($this->getTemplatesFor('passwordsent'));
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a link to the password reset form.
|
|
*
|
|
* GET parameters used:
|
|
* - m: member ID
|
|
* - t: plaintext token
|
|
*
|
|
* @param Member $member Member object associated with this link.
|
|
* @param string $autologinToken The auto login token.
|
|
* @return string
|
|
*/
|
|
public static function getPasswordResetLink($member, $autologinToken)
|
|
{
|
|
$autologinToken = urldecode($autologinToken);
|
|
$selfControllerClass = __CLASS__;
|
|
/** @var static $selfController */
|
|
$selfController = new $selfControllerClass();
|
|
return $selfController->Link('changepassword') . "?m={$member->ID}&t=$autologinToken";
|
|
}
|
|
|
|
/**
|
|
* Show the "change password" page.
|
|
* This page can either be called directly by logged-in users
|
|
* (in which case they need to provide their old password),
|
|
* or through a link emailed through {@link lostpassword()}.
|
|
* In this case no old password is required, authentication is ensured
|
|
* through the Member.AutoLoginHash property.
|
|
*
|
|
* @see ChangePasswordForm
|
|
*
|
|
* @return string|HTTPRequest Returns the "change password" page as HTML code, or a redirect response
|
|
*/
|
|
public function changepassword()
|
|
{
|
|
$controller = $this->getResponseController(_t('SilverStripe\\Security\\Security.CHANGEPASSWORDHEADER', 'Change your password'));
|
|
|
|
// if the controller calls Director::redirect(), this will break early
|
|
if (($response = $controller->getResponse()) && $response->isFinished()) {
|
|
return $response;
|
|
}
|
|
|
|
// Extract the member from the URL.
|
|
/** @var Member $member */
|
|
$member = null;
|
|
if (isset($_REQUEST['m'])) {
|
|
$member = Member::get()->filter('ID', (int)$_REQUEST['m'])->first();
|
|
}
|
|
|
|
// Check whether we are merely changin password, or resetting.
|
|
if (isset($_REQUEST['t']) && $member && $member->validateAutoLoginToken($_REQUEST['t'])) {
|
|
// On first valid password reset request redirect to the same URL without hash to avoid referrer leakage.
|
|
|
|
// if there is a current member, they should be logged out
|
|
if ($curMember = Member::currentUser()) {
|
|
$curMember->logOut();
|
|
}
|
|
|
|
// Store the hash for the change password form. Will be unset after reload within the ChangePasswordForm.
|
|
Session::set('AutoLoginHash', $member->encryptWithUserSettings($_REQUEST['t']));
|
|
|
|
return $this->redirect($this->Link('changepassword'));
|
|
} elseif (Session::get('AutoLoginHash')) {
|
|
// Subsequent request after the "first load with hash" (see previous if clause).
|
|
$customisedController = $controller->customise(array(
|
|
'Content' => DBField::create_field(
|
|
'HTMLFragment',
|
|
'<p>' . _t('SilverStripe\\Security\\Security.ENTERNEWPASSWORD', 'Please enter a new password.') . '</p>'
|
|
),
|
|
'Form' => $this->ChangePasswordForm(),
|
|
));
|
|
} elseif (Member::currentUser()) {
|
|
// Logged in user requested a password change form.
|
|
$customisedController = $controller->customise(array(
|
|
'Content' => DBField::create_field(
|
|
'HTMLFragment',
|
|
'<p>' . _t('SilverStripe\\Security\\Security.CHANGEPASSWORDBELOW', 'You can change your password below.') . '</p>'
|
|
),
|
|
'Form' => $this->ChangePasswordForm()));
|
|
} else {
|
|
// Show friendly message if it seems like the user arrived here via password reset feature.
|
|
if (isset($_REQUEST['m']) || isset($_REQUEST['t'])) {
|
|
$customisedController = $controller->customise(
|
|
array('Content' => DBField::create_field(
|
|
'HTMLFragment',
|
|
_t(
|
|
'SilverStripe\\Security\\Security.NOTERESETLINKINVALID',
|
|
'<p>The password reset link is invalid or expired.</p>'
|
|
. '<p>You can request a new one <a href="{link1}">here</a> or change your password after'
|
|
. ' you <a href="{link2}">logged in</a>.</p>',
|
|
[
|
|
'link1' => $this->Link('lostpassword'),
|
|
'link2' => $this->Link('login')
|
|
]
|
|
)
|
|
))
|
|
);
|
|
} else {
|
|
return self::permissionFailure(
|
|
$this,
|
|
_t('SilverStripe\\Security\\Security.ERRORPASSWORDPERMISSION', 'You must be logged in in order to change your password!')
|
|
);
|
|
}
|
|
}
|
|
|
|
return $customisedController->renderWith($this->getTemplatesFor('changepassword'));
|
|
}
|
|
|
|
/**
|
|
* Factory method for the lost password form
|
|
*
|
|
* @skipUpgrade
|
|
* @return ChangePasswordForm Returns the lost password form
|
|
*/
|
|
public function ChangePasswordForm()
|
|
{
|
|
return ChangePasswordForm::create($this, 'ChangePasswordForm');
|
|
}
|
|
|
|
/**
|
|
* Determine the list of templates to use for rendering the given action.
|
|
*
|
|
* @skipUpgrade
|
|
* @param string $action
|
|
* @return array Template list
|
|
*/
|
|
public function getTemplatesFor($action)
|
|
{
|
|
$templates = SSViewer::get_templates_by_class(get_class($this), "_{$action}", __CLASS__);
|
|
return array_merge(
|
|
$templates,
|
|
[
|
|
"Security_{$action}",
|
|
"Security",
|
|
$this->stat("template_main"),
|
|
"BlankPage"
|
|
]
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Return an existing member with administrator privileges, or create one of necessary.
|
|
*
|
|
* Will create a default 'Administrators' group if no group is found
|
|
* with an ADMIN permission. Will create a new 'Admin' member with administrative permissions
|
|
* if no existing Member with these permissions is found.
|
|
*
|
|
* Important: Any newly created administrator accounts will NOT have valid
|
|
* login credentials (Email/Password properties), which means they can't be used for login
|
|
* purposes outside of any default credentials set through {@link Security::setDefaultAdmin()}.
|
|
*
|
|
* @return Member
|
|
*/
|
|
public static function findAnAdministrator()
|
|
{
|
|
// coupling to subsites module
|
|
$origSubsite = null;
|
|
if (is_callable('Subsite::changeSubsite')) {
|
|
$origSubsite = Subsite::currentSubsiteID();
|
|
Subsite::changeSubsite(0);
|
|
}
|
|
|
|
/** @var Member $member */
|
|
$member = null;
|
|
|
|
// find a group with ADMIN permission
|
|
$adminGroup = Permission::get_groups_by_permission('ADMIN')->first();
|
|
|
|
if (is_callable('Subsite::changeSubsite')) {
|
|
Subsite::changeSubsite($origSubsite);
|
|
}
|
|
|
|
if ($adminGroup) {
|
|
$member = $adminGroup->Members()->First();
|
|
}
|
|
|
|
if (!$adminGroup) {
|
|
Group::singleton()->requireDefaultRecords();
|
|
$adminGroup = Permission::get_groups_by_permission('ADMIN')->first();
|
|
}
|
|
|
|
if (!$member) {
|
|
Member::singleton()->requireDefaultRecords();
|
|
$member = Permission::get_members_by_permission('ADMIN')->first();
|
|
}
|
|
|
|
if (!$member) {
|
|
$member = Member::default_admin();
|
|
}
|
|
|
|
if (!$member) {
|
|
// Failover to a blank admin
|
|
$member = Member::create();
|
|
$member->FirstName = _t('SilverStripe\\Security\\Member.DefaultAdminFirstname', 'Default Admin');
|
|
$member->write();
|
|
// Add member to group instead of adding group to member
|
|
// This bypasses the privilege escallation code in Member_GroupSet
|
|
$adminGroup
|
|
->DirectMembers()
|
|
->add($member);
|
|
}
|
|
|
|
return $member;
|
|
}
|
|
|
|
/**
|
|
* Flush the default admin credentials
|
|
*/
|
|
public static function clear_default_admin()
|
|
{
|
|
self::$default_username = null;
|
|
self::$default_password = null;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set a default admin in dev-mode
|
|
*
|
|
* This will set a static default-admin which is not existing
|
|
* as a database-record. By this workaround we can test pages in dev-mode
|
|
* with a unified login. Submitted login-credentials are first checked
|
|
* against this static information in {@link Security::authenticate()}.
|
|
*
|
|
* @param string $username The user name
|
|
* @param string $password The password (in cleartext)
|
|
* @return bool True if successfully set
|
|
*/
|
|
public static function setDefaultAdmin($username, $password)
|
|
{
|
|
// don't overwrite if already set
|
|
if (self::$default_username || self::$default_password) {
|
|
return false;
|
|
}
|
|
|
|
self::$default_username = $username;
|
|
self::$default_password = $password;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks if the passed credentials are matching the default-admin.
|
|
* Compares cleartext-password set through Security::setDefaultAdmin().
|
|
*
|
|
* @param string $username
|
|
* @param string $password
|
|
* @return bool
|
|
*/
|
|
public static function check_default_admin($username, $password)
|
|
{
|
|
return (
|
|
self::$default_username === $username
|
|
&& self::$default_password === $password
|
|
&& self::has_default_admin()
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Check that the default admin account has been set.
|
|
*/
|
|
public static function has_default_admin()
|
|
{
|
|
return !empty(self::$default_username) && !empty(self::$default_password);
|
|
}
|
|
|
|
/**
|
|
* Get default admin username
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function default_admin_username()
|
|
{
|
|
return self::$default_username;
|
|
}
|
|
|
|
/**
|
|
* Get default admin password
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function default_admin_password()
|
|
{
|
|
return self::$default_password;
|
|
}
|
|
|
|
/**
|
|
* Encrypt a password according to the current password encryption settings.
|
|
* If the settings are so that passwords shouldn't be encrypted, the
|
|
* result is simple the clear text password with an empty salt except when
|
|
* a custom algorithm ($algorithm parameter) was passed.
|
|
*
|
|
* @param string $password The password to encrypt
|
|
* @param string $salt Optional: The salt to use. If it is not passed, but
|
|
* needed, the method will automatically create a
|
|
* random salt that will then be returned as return value.
|
|
* @param string $algorithm Optional: Use another algorithm to encrypt the
|
|
* password (so that the encryption algorithm can be changed over the time).
|
|
* @param Member $member Optional
|
|
* @return mixed Returns an associative array containing the encrypted
|
|
* password and the used salt in the form:
|
|
* <code>
|
|
* array(
|
|
* 'password' => string,
|
|
* 'salt' => string,
|
|
* 'algorithm' => string,
|
|
* 'encryptor' => PasswordEncryptor instance
|
|
* )
|
|
* </code>
|
|
* If the passed algorithm is invalid, FALSE will be returned.
|
|
*
|
|
* @see encrypt_passwords()
|
|
*/
|
|
public static function encrypt_password($password, $salt = null, $algorithm = null, $member = null)
|
|
{
|
|
// Fall back to the default encryption algorithm
|
|
if (!$algorithm) {
|
|
$algorithm = self::config()->get('password_encryption_algorithm');
|
|
}
|
|
|
|
$e = PasswordEncryptor::create_for_algorithm($algorithm);
|
|
|
|
// New salts will only need to be generated if the password is hashed for the first time
|
|
$salt = ($salt) ? $salt : $e->salt($password);
|
|
|
|
return array(
|
|
'password' => $e->encrypt($password, $salt, $member),
|
|
'salt' => $salt,
|
|
'algorithm' => $algorithm,
|
|
'encryptor' => $e
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Checks the database is in a state to perform security checks.
|
|
* See {@link DatabaseAdmin->init()} for more information.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function database_is_ready()
|
|
{
|
|
// Used for unit tests
|
|
if (self::$force_database_is_ready !== null) {
|
|
return self::$force_database_is_ready;
|
|
}
|
|
|
|
if (self::$database_is_ready) {
|
|
return self::$database_is_ready;
|
|
}
|
|
|
|
$requiredClasses = ClassInfo::dataClassesFor(Member::class);
|
|
$requiredClasses[] = Group::class;
|
|
$requiredClasses[] = Permission::class;
|
|
$schema = DataObject::getSchema();
|
|
foreach ($requiredClasses as $class) {
|
|
// Skip test classes, as not all test classes are scaffolded at once
|
|
if (is_a($class, TestOnly::class, true)) {
|
|
continue;
|
|
}
|
|
|
|
// if any of the tables aren't created in the database
|
|
$table = $schema->tableName($class);
|
|
if (!ClassInfo::hasTable($table)) {
|
|
return false;
|
|
}
|
|
|
|
// HACK: DataExtensions aren't applied until a class is instantiated for
|
|
// the first time, so create an instance here.
|
|
singleton($class);
|
|
|
|
// if any of the tables don't have all fields mapped as table columns
|
|
$dbFields = DB::field_list($table);
|
|
if (!$dbFields) {
|
|
return false;
|
|
}
|
|
|
|
$objFields = $schema->databaseFields($class, false);
|
|
$missingFields = array_diff_key($objFields, $dbFields);
|
|
|
|
if ($missingFields) {
|
|
return false;
|
|
}
|
|
}
|
|
self::$database_is_ready = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Enable or disable recording of login attempts
|
|
* through the {@link LoginRecord} object.
|
|
*
|
|
* @deprecated 4.0 Use the "Security.login_recording" config setting instead
|
|
* @param boolean $bool
|
|
*/
|
|
public static function set_login_recording($bool)
|
|
{
|
|
Deprecation::notice('4.0', 'Use the "Security.login_recording" config setting instead');
|
|
self::$login_recording = (bool)$bool;
|
|
}
|
|
|
|
/**
|
|
* @deprecated 4.0 Use the "Security.login_recording" config setting instead
|
|
* @return boolean
|
|
*/
|
|
public static function login_recording()
|
|
{
|
|
Deprecation::notice('4.0', 'Use the "Security.login_recording" config setting instead');
|
|
return self::$login_recording;
|
|
}
|
|
|
|
/**
|
|
* @config
|
|
* @var string Set the default login dest
|
|
* This is the URL that users will be redirected to after they log in,
|
|
* if they haven't logged in en route to access a secured page.
|
|
* By default, this is set to the homepage.
|
|
*/
|
|
private static $default_login_dest = "";
|
|
|
|
protected static $ignore_disallowed_actions = false;
|
|
|
|
/**
|
|
* Set to true to ignore access to disallowed actions, rather than returning permission failure
|
|
* Note that this is just a flag that other code needs to check with Security::ignore_disallowed_actions()
|
|
* @param $flag True or false
|
|
*/
|
|
public static function set_ignore_disallowed_actions($flag)
|
|
{
|
|
self::$ignore_disallowed_actions = $flag;
|
|
}
|
|
|
|
public static function ignore_disallowed_actions()
|
|
{
|
|
return self::$ignore_disallowed_actions;
|
|
}
|
|
|
|
/**
|
|
* Get the URL of the log-in page.
|
|
*
|
|
* To update the login url use the "Security.login_url" config setting.
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function login_url()
|
|
{
|
|
return Controller::join_links(Director::baseURL(), self::config()->get('login_url'));
|
|
}
|
|
|
|
|
|
/**
|
|
* Get the URL of the logout page.
|
|
*
|
|
* To update the logout url use the "Security.logout_url" config setting.
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function logout_url()
|
|
{
|
|
return Controller::join_links(Director::baseURL(), self::config()->get('logout_url'));
|
|
}
|
|
|
|
/**
|
|
* Get the URL of the logout page.
|
|
*
|
|
* To update the logout url use the "Security.logout_url" config setting.
|
|
*
|
|
* @return string
|
|
*/
|
|
public static function lost_password_url()
|
|
{
|
|
return Controller::join_links(Director::baseURL(), self::config()->get('lost_password_url'));
|
|
}
|
|
|
|
/**
|
|
* Defines global accessible templates variables.
|
|
*
|
|
* @return array
|
|
*/
|
|
public static function get_template_global_variables()
|
|
{
|
|
return array(
|
|
"LoginURL" => "login_url",
|
|
"LogoutURL" => "logout_url",
|
|
"LostPasswordURL" => "lost_password_url",
|
|
);
|
|
}
|
|
}
|