144 lines
4.4 KiB
PHP
144 lines
4.4 KiB
PHP
<?php
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/**
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* Authenticator for the default "member" method
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*
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* @author Markus Lanthaler <markus@silverstripe.com>
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* @package sapphire
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* @subpackage security
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*/
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class MemberAuthenticator extends Authenticator {
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/**
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* @var Array Contains encryption algorithm identifiers.
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* If set, will migrate to new precision-safe password hashing
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* upon login. See http://open.silverstripe.org/ticket/3004.
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*/
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static $migrate_legacy_hashes = array(
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'md5' => 'md5_v2.4',
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'sha1' => 'sha1_v2.4'
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);
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/**
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* Method to authenticate an user
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*
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* @param array $RAW_data Raw data to authenticate the user
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* @param Form $form Optional: If passed, better error messages can be
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* produced by using
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* {@link Form::sessionMessage()}
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* @return bool|Member Returns FALSE if authentication fails, otherwise
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* the member object
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* @see Security::setDefaultAdmin()
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*/
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public static function authenticate($RAW_data, Form $form = null) {
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$SQL_user = Convert::raw2sql($RAW_data['Email']);
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$isLockedOut = false;
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$result = null;
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// Default login (see Security::setDefaultAdmin())
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if(Security::check_default_admin($RAW_data['Email'], $RAW_data['Password'])) {
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$member = Security::findAnAdministrator();
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} else {
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$member = DataObject::get_one(
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"Member",
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"\"" . Member::get_unique_identifier_field() . "\" = '$SQL_user' AND \"Password\" IS NOT NULL"
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);
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if($member) {
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$result = $member->checkPassword($RAW_data['Password']);
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} else {
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$result = new ValidationResult(false, _t('Member.ERRORWRONGCRED'));
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}
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if($member && !$result->valid()) {
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$member->registerFailedLogin();
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$member = false;
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}
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}
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// Optionally record every login attempt as a {@link LoginAttempt} object
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/**
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* TODO We could handle this with an extension
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*/
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if(Security::login_recording()) {
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$attempt = new LoginAttempt();
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if($member) {
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// successful login (member is existing with matching password)
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$attempt->MemberID = $member->ID;
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$attempt->Status = 'Success';
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// Audit logging hook
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$member->extend('authenticated');
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} else {
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// failed login - we're trying to see if a user exists with this email (disregarding wrong passwords)
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$existingMember = DataObject::get_one("Member", "\"" . Member::get_unique_identifier_field() . "\" = '$SQL_user'");
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if($existingMember) {
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$attempt->MemberID = $existingMember->ID;
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// Audit logging hook
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$existingMember->extend('authenticationFailed');
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} else {
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// Audit logging hook
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singleton('Member')->extend('authenticationFailedUnknownUser', $RAW_data);
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}
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$attempt->Status = 'Failure';
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}
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if(is_array($RAW_data['Email'])) {
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user_error("Bad email passed to MemberAuthenticator::authenticate(): $RAW_data[Email]", E_USER_WARNING);
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return false;
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}
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$attempt->Email = $RAW_data['Email'];
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$attempt->IP = Controller::curr()->getRequest()->getIP();
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$attempt->write();
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}
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// Legacy migration to precision-safe password hashes.
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// A login-event with cleartext passwords is the only time
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// when we can rehash passwords to a different hashing algorithm,
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// bulk-migration doesn't work due to the nature of hashing.
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// See PasswordEncryptor_LegacyPHPHash class.
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if(
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$member // only migrate after successful login
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&& self::$migrate_legacy_hashes
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&& array_key_exists($member->PasswordEncryption, self::$migrate_legacy_hashes)
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) {
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$member->Password = $RAW_data['Password'];
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$member->PasswordEncryption = self::$migrate_legacy_hashes[$member->PasswordEncryption];
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$member->write();
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}
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if($member) {
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Session::clear('BackURL');
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} else {
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if($form && $result) $form->sessionMessage($result->message(), 'bad');
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}
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return $member;
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}
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/**
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* Method that creates the login form for this authentication method
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*
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* @param Controller The parent controller, necessary to create the
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* appropriate form action tag
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* @return Form Returns the login form to use with this authentication
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* method
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*/
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public static function get_login_form(Controller $controller) {
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return Object::create("MemberLoginForm", $controller, "LoginForm");
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}
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/**
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* Get the name of the authentication method
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*
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* @return string Returns the name of the authentication method.
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*/
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public static function get_name() {
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return _t('MemberAuthenticator.TITLE', "E-mail & Password");
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}
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}
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?>
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