"That page is secured. Enter your credentials below and we will send you right along.", 'alreadyLoggedIn' => "You don't have access to this page. If you have another account that can access that page, you can log in below.", 'logInAgain' => "You have been logged out. If you would like to log in again, enter your credentials below.", ); } else if(!is_array($messageSet)) { $messageSet = array('default' => $messageSet); } // Work out the right message to show if(Member::currentUserID()) { // user_error( 'PermFailure with member', E_USER_ERROR ); $message = $messageSet['alreadyLoggedIn'] ? $messageSet['alreadyLoggedIn'] : $messageSet['default']; if($member = Member::currentUser()) $member->logout(); } else if(substr(Director::history(),0,15) == 'Security/logout') { $message = $messageSet['logInAgain'] ? $messageSet['logInAgain'] : $messageSet['default']; } else { $message = $messageSet['default']; } Session::set("Security.Message.message", $message); Session::set("Security.Message.type", 'warning'); Session::set("BackURL", $_SERVER['REQUEST_URI']); if(Director::is_ajax()) { die('NOTLOGGEDIN:'); } else { Director::redirect("Security/login"); } return; } /** * Get the login form to process according to the submitted data */ protected function LoginForm() { if(is_array($_REQUEST) && isset($_REQUEST['AuthenticationMethod'])) { $authenticator = trim($_REQUEST['AuthenticationMethod']); $authenticators = Authenticator::get_authenticators(); if(in_array($authenticator, $authenticators)) { return call_user_func(array($authenticator, 'get_login_form'), $this); } } user_error('Passed invalid authentication method', E_USER_ERROR); } /** * Get the login forms for all available authentication methods * * @return array Returns an array of available login forms (array of Form * objects). * * @todo Check how to activate/deactivate authentication methods */ protected function GetLoginForms() { $forms = array(); $authenticators = Authenticator::get_authenticators(); foreach($authenticators as $authenticator) { array_push($forms, call_user_func(array($authenticator, 'get_login_form'), $this)); } return $forms; } /** * Get a link to a security action * * @param string $action Name of the action * @return string Returns the link to the given action */ public static function Link($action = null) { return "Security/$action"; } /** * Log the currently logged in user out * * @param bool $redirect Redirect the user back to where they came. * - If it's false, the code calling logout() is * responsible for sending the user where-ever * they should go. */ public function logout($redirect = true) { if($member = Member::currentUser()) $member->logOut(); if($redirect) Director::redirectBack(); } /** * Show the "login" page * * @return string Returns the "login" page as HTML code. */ public function login() { Requirements::javascript("jsparty/behaviour.js"); Requirements::javascript("jsparty/loader.js"); Requirements::javascript("jsparty/prototype.js"); Requirements::javascript("jsparty/prototype_improvements.js"); Requirements::javascript("jsparty/scriptaculous/effects.js"); $customCSS = project() . '/css/tabs.css'; if(Director::fileExists($customCSS)) { Requirements::css($customCSS); } $tmpPage = new Page(); $tmpPage->Title = "Log in"; $tmpPage->URLSegment = "Security"; $controller = new Page_Controller($tmpPage); $controller->init(); //Controller::$currentController = $controller; if(SSViewer::hasTemplate("Security_login")) { return $controller->renderWith(array("Security_login", "Page")); } else { $forms = $this->GetLoginForms(); $content = ''; foreach($forms as $form) $content .= $form->forTemplate(); foreach($forms as $form) { $content .= "
  • FormName()}_tab\">{$form->getAuthenticator()->get_name()}
  • \n"; $content_forms .= '
    ' . $form->forTemplate() . "
    \n"; } $content .= "\n" . $content_forms . "\n\n"; if(strlen($message = Session::get('Security.Message.message')) > 0) { $message_type = Session::get('Security.Message.type'); if($message_type == 'bad') { $message = "

    $message

    "; } else { $message = "

    $message

    "; } $customisedController = $controller->customise(array( "Content" => $message, "Form" => $content )); } else { $customisedController = $controller->customise(array( "Content" => $content )); } return $customisedController->renderWith("Page"); } } /** * Show the "lost password" page * * @return string Returns the "lost password" page as HTML code. */ public function lostpassword() { Requirements::javascript('jsparty/prototype.js'); Requirements::javascript('jsparty/behaviour.js'); Requirements::javascript('jsparty/loader.js'); Requirements::javascript('jsparty/prototype_improvements.js'); Requirements::javascript('jsparty/scriptaculous/effects.js'); $tmpPage = new Page(); $tmpPage->Title = 'Lost Password'; $tmpPage->URLSegment = 'Security'; $controller = new Page_Controller($tmpPage); $customisedController = $controller->customise(array( 'Content' => '

    Enter your e-mail address and we will send you a link with ' . 'which you can reset your password

    ', 'Form' => $this->LostPasswordForm(), )); //Controller::$currentController = $controller; return $customisedController->renderWith("Page"); } /** * Factory method for the lost password form * * @return Form Returns the lost password form */ public function LostPasswordForm() { return new MemberLoginForm($this, 'LostPasswordForm', new FieldSet(new EmailField('Email', 'E-mail address')), new FieldSet(new FormAction('forgotPassword', 'Send me the password reset link')), false); } /** * Show the "password sent" page * * @return string Returns the "password sent" page as HTML code. */ public function passwordsent() { Requirements::javascript('jsparty/behaviour.js'); Requirements::javascript('jsparty/loader.js'); Requirements::javascript('jsparty/prototype.js'); Requirements::javascript('jsparty/prototype_improvements.js'); Requirements::javascript('jsparty/scriptaculous/effects.js'); $tmpPage = new Page(); $tmpPage->Title = 'Lost Password'; $tmpPage->URLSegment = 'Security'; $controller = new Page_Controller($tmpPage); $email = Convert::raw2xml($this->urlParams['ID']); $customisedController = $controller->customise(array( 'Title' => "Password reset link sent to '$email'", 'Content' => "

    Thank you! The password reset link has been sent to '$email'.

    ", )); //Controller::$currentController = $controller; return $customisedController->renderWith("Page"); } /** * Create a link to the password reset form * * @param string $autoLoginHash The auto login hash */ public static function getPasswordResetLink($autoLoginHash) { $autoLoginHash = urldecode($autoLoginHash); return self::Link('changepassword') . "?h=$autoLoginHash"; } /** * Show the "change password" page * * @return string Returns the "change password" page as HTML code. */ public function changepassword() { $tmpPage = new Page(); $tmpPage->Title = 'Change your password'; $tmpPage->URLSegment = 'Security'; $controller = new Page_Controller($tmpPage); if(isset($_REQUEST['h']) && Member::autoLoginHash($_REQUEST['h'])) { // The auto login hash is valid, store it for the change password form Session::set('AutoLoginHash', $_REQUEST['h']); $customisedController = $controller->customise(array( 'Content' => '

    Please enter a new password.

    ', 'Form' => $this->ChangePasswordForm(), )); } elseif(Member::currentUser()) { // let a logged in user change his password $customisedController = $controller->customise(array( 'Content' => '

    You can change your password below.

    ', 'Form' => $this->ChangePasswordForm())); } else { // show an error message if the auto login hash is invalid and the // user is not logged in if(isset($_REQUEST['h'])) { $customisedController = $controller->customise(array('Content' => "

    The password reset link is invalid or expired.

    \n" . '

    You can request a new one here or change your password after you logged in.

    ')); } else { self::permissionFailure($this, 'You must be logged in in order to change your password!'); return; } } Controller::$currentController = $controller; return $customisedController->renderWith('Page'); } /** * Factory method for the lost password form * * @return Form Returns the lost password form */ public function ChangePasswordForm() { return new ChangePasswordForm($this, 'ChangePasswordForm'); } /** * Authenticate using the given email and password, returning the * appropriate member object if * * @return bool|Member Returns FALSE if authentication fails, otherwise * the member object */ public static function authenticate($RAW_email, $RAW_password) { $SQL_email = Convert::raw2sql($RAW_email); $SQL_password = Convert::raw2sql($RAW_password); // Default login (see {@setDetaultAdmin()}) if(($RAW_email == self::$username) && ($RAW_password == self::$password) && !empty(self::$username) && !empty(self::$password)) { $member = self::findAnAdministrator(); } else { $member = DataObject::get_one("Member", "Email = '$SQL_email' And Password = '$SQL_password'"); } return $member; } /** * Return a member with administrator privileges * * @return Member Returns a member object that has administrator * privileges. */ static function findAnAdministrator($username = 'admin', $password = 'password') { $permission = DataObject::get_one("Permission", "`Code` = 'ADMIN'", true, "ID"); $adminGroup = null; if($permission) $adminGroup = DataObject::get_one("Group", "`ID` = '{$permission->GroupID}'", true, "ID"); if($adminGroup) { if($adminGroup->Members()->First()) { $member = $adminGroup->Members()->First(); } } if(!$adminGroup) { $adminGroup = Object::create('Group'); $adminGroup->Title = 'Administrators'; $adminGroup->Code = "administrators"; $adminGroup->write(); Permission::grant($adminGroup->ID, "ADMIN"); } if(!isset($member)) { $member = Object::create('Member'); $member->FirstName = $member->Surname = 'Admin'; $member->Email = $username; $member->Password = $password; $member->write(); $member->Groups()->add($adminGroup); } return $member; } /** * This will set a static default-admin (e.g. "td") 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 {@authenticate()}. * * @param $username String * @param $password String (Cleartext) */ public static function setDefaultAdmin($username, $password) { if( self::$username || self::$password ) return; self::$username = $username; self::$password = $password; } /** * Set strict path checking * * This prevents sharing of the session across several sites in the * domain. * * @param boolean $strictPathChecking To enable or disable strict patch * checking. */ public static function setStrictPathChecking($strictPathChecking) { self::$strictPathChecking = $strictPathChecking; } /** * Get strict path checking * * @return boolean Status of strict path checking */ public static function getStrictPathChecking() { return self::$strictPathChecking; } /** * Set if passwords should be encrypted or not * * @param bool $encrypt Set to TRUE if you want that all (new) passwords * will be stored encrypted, FALSE if you want to * store the passwords in clear text. */ public static function encrypt_passwords($encrypt) { self::$encryptPasswords = (bool)$encrypt; } /** * Get a list of all available encryption algorithms * * This method tries to use PHP's hash_algos() function. If it is not * supported or it returns no algorithms, as a failback mechanism it tries * to use the md5() and sha1() function and returns them. * * @return array Returns an array of strings containing all supported * encryption algorithms. */ public static function get_encryption_algorithms() { $result = function_exists('hash_algos') ? hash_algos() : array(); if(count($result) == 0) { if(function_exists('md5')) $result[] = 'md5'; if(function_exists('sha1')) $result[] = 'sha1'; } return $result; } /** * Set the password encryption algorithm * * @param string $algorithm One of the available password encryption * algorithms determined by * {@link Security::get_encryption_algorithms()} * @param bool $use_salt Set to TRUE if a random salt should be used to * encrypt the passwords, otherwise FALSE * @return bool Returns TRUE if the passed algorithm was valid, otherwise * FALSE. */ public static function set_password_encryption_algorithm($algorithm, $use_salt) { if(in_array($algorithm, self::get_encryption_algorithms()) == false) return false; self::$encryptionAlgorithm = $algorithm; self::$useSalt = (bool)$use_salt; return true; } /** * Get the the password encryption details * * The return value is an array of the following form: * * array('encrypt_passwords' => bool, * 'algorithm' => string, * 'use_salt' => bool) * * * @return array Returns an associative array containing all the * password encryption relevant information. */ public static function get_password_encryption_details() { return array('encrypt_passwords' => self::$encryptPasswords, 'algorithm' => self::$encryptionAlgorithm, 'use_salt' => self::$useSalt); } /** * Encrypt a password * * Encrypt a password according to the current password encryption * settings. * Use {@link Security::get_password_encryption_details()} to retrieve the * current 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 $algorithm Optional: Use another algorithm to encrypt the * password (so that the encryption algorithm can * be changed over the time). * @return mixed Returns an associative array containing the encrypted * password and the used salt in the form * array('encrypted_password' => string, 'salt' => * string, 'algorithm' => string). * If the passed algorithm is invalid, FALSE will be * returned. * * @see encrypt_passwords() * @see set_password_encryption_algorithm() * @see get_password_encryption_details() */ public static function encrypt_password($password, $salt = null, $algorithm = null) { if(strlen(trim($password)) == 0) { // An empty password was passed, return an empty password an salt! return array('password' => null, 'salt' => null, 'algorithm' => 'none'); } elseif((self::$encryptPasswords == false) || ($algorithm == 'none')) { // The password should not be encrypted return array('password' => substr($password, 0, 64), 'salt' => null, 'algorithm' => 'none'); } elseif(strlen(trim($algorithm)) != 0) { // A custom encryption algorithm was passed, check if we can use it if(in_array($algorithm, self::get_encryption_algorithms()) == false) return false; } else { // Just use the default encryption algorithm $algorithm = self::$encryptionAlgorithm; } // If no salt was provided but we need one we just generate a random one if(strlen(trim($salt)) == 0) $salt = null; if((self::$useSalt == true) && is_null($salt)) { $salt = sha1(mt_rand()) . time(); $salt = substr(base_convert($salt, 16, 36), 0, 50); } // Encrypt the password if(function_exists('hash')) { $password = hash($algorithm, $password . $salt); } else { $password = call_user_func($algorithm, $password . $salt); } // Convert the base of the hexadecimal password to 36 to make it shorter // In that way we can store also a SHA256 encrypted password in just 64 // letters. $password = substr(base_convert($password, 16, 36), 0, 64); return array('password' => $password, 'salt' => $salt, 'algorithm' => $algorithm); } /** * Encrypt all passwords * * Action to encrypt all *clear text* passwords in the database according * to the current settings. * If the current settings are so that passwords shouldn't be encrypted, * an explanation will be printed out. * * To run this action, the user needs to have administrator rights! */ public function encryptallpasswords() { // Only administrators can run this method if(!Member::currentUser() || !Member::currentUser()->isAdmin()) { Security::permissionFailure($this, "This page is secured and you need administrator rights to access it. " . "Enter your credentials below and we will send you right along."); return; } if(self::$encryptPasswords == false) { print "

    Password encryption disabled!

    \n"; print "

    To encrypt your passwords change your password settings by adding\n"; print "

    Security::encrypt_passwords(true);
    \nto mysite/_config.php

    "; return; } // Are there members with a clear text password? $members = DataObject::get("Member", "PasswordEncryption = 'none' AND Password IS NOT NULL"); if(!$members) { print "

    No passwords to encrypt

    \n"; print "

    There are no members with a clear text password that could be encrypted!

    \n"; return; } // Encrypt the passwords... print "

    Encrypting all passwords

    "; print '

    The passwords will be encrypted using the "' . htmlentities(self::$encryptionAlgorithm) . '" algorithm '; print (self::$useSalt) ? "with a salt to increase the security.

    \n" : "without using a salt to increase the security.

    \n"; foreach($members as $member) { // Force the update of the member record, as new passwords get // automatically encrypted according to the settings, this will do all // the work for us $member->forceChange(); $member->write(); print " Encrypted credentials for member ""; print htmlentities($member->getTitle()) . '" (ID: ' . $member->ID . '; E-Mail: ' . htmlentities($member->Email) . ")
    \n"; } print '

    '; } } ?>