silverstripe-framework/security/MemberAuthenticator.php

149 lines
4.4 KiB
PHP
Raw Normal View History

<?php
/**
* Authenticator for the default "member" method
*
* @author Markus Lanthaler <markus@silverstripe.com>
* @package framework
* @subpackage security
*/
class MemberAuthenticator extends Authenticator {
/**
* Contains encryption algorithm identifiers.
* If set, will migrate to new precision-safe password hashing
* upon login. See http://open.silverstripe.org/ticket/3004
2014-08-15 08:53:05 +02:00
*
* @var array
*/
private static $migrate_legacy_hashes = array(
2014-08-15 08:53:05 +02:00
'md5' => 'md5_v2.4',
'sha1' => 'sha1_v2.4'
);
/**
* Method to authenticate an user
*
* @param array $RAW_data Raw data to authenticate the user
* @param Form $form Optional: If passed, better error messages can be
* produced by using
* {@link Form::sessionMessage()}
* @return bool|Member Returns FALSE if authentication fails, otherwise
* the member object
* @see Security::setDefaultAdmin()
*/
2014-08-15 08:53:05 +02:00
public static function authenticate($RAW_data, Form $form = null) {
// Check for email
if(empty($RAW_data['Email'])) return false;
2014-08-15 08:53:05 +02:00
$userEmail = $RAW_data['Email'];
if(is_array($userEmail)) {
user_error("Bad email passed to MemberAuthenticator::authenticate()", E_USER_WARNING);
return false;
}
$result = null;
// Default login (see Security::setDefaultAdmin())
if(Security::check_default_admin($userEmail, $RAW_data['Password'])) {
$member = Security::findAnAdministrator();
} else {
$member = Member::get()
->filter(Member::config()->unique_identifier_field, $userEmail)
->where('"Member"."Password" IS NOT NULL')
->first();
if($member) {
$result = $member->checkPassword($RAW_data['Password']);
} else {
$result = new ValidationResult(false, _t('Member.ERRORWRONGCRED'));
}
2014-08-15 08:53:05 +02:00
if($member && !$result->valid()) {
$member->registerFailedLogin();
$member = false;
}
}
2014-08-15 08:53:05 +02:00
// Optionally record every login attempt as a {@link LoginAttempt} object
/**
* TODO We could handle this with an extension
*/
if(Security::config()->login_recording) {
$attempt = new LoginAttempt();
if($member) {
// successful login (member is existing with matching password)
$attempt->MemberID = $member->ID;
$attempt->Status = 'Success';
2014-08-15 08:53:05 +02:00
// Audit logging hook
$member->extend('authenticated');
} else {
// failed login - we're trying to see if a user exists with this email (disregarding wrong passwords)
$existingMember = DataObject::get_one("Member", array(
'"'.Member::config()->unique_identifier_field.'"' => $userEmail
));
if($existingMember) {
$attempt->MemberID = $existingMember->ID;
2014-08-15 08:53:05 +02:00
// Audit logging hook
$existingMember->extend('authenticationFailed');
} else {
2014-08-15 08:53:05 +02:00
// Audit logging hook
singleton('Member')->extend('authenticationFailedUnknownUser', $RAW_data);
}
$attempt->Status = 'Failure';
}
2014-08-15 08:53:05 +02:00
$attempt->Email = $userEmail;
$attempt->IP = Controller::curr()->getRequest()->getIP();
$attempt->write();
}
2014-08-15 08:53:05 +02:00
// Legacy migration to precision-safe password hashes.
// A login-event with cleartext passwords is the only time
// when we can rehash passwords to a different hashing algorithm,
// bulk-migration doesn't work due to the nature of hashing.
// See PasswordEncryptor_LegacyPHPHash class.
if(
$member // only migrate after successful login
&& self::$migrate_legacy_hashes
&& array_key_exists($member->PasswordEncryption, self::$migrate_legacy_hashes)
) {
$member->Password = $RAW_data['Password'];
$member->PasswordEncryption = self::$migrate_legacy_hashes[$member->PasswordEncryption];
$member->write();
}
if(!$member && $form && $result) {
$form->sessionMessage($result->message(), 'bad');
}
return $member;
}
/**
* Method that creates the login form for this authentication method
*
* @param Controller The parent controller, necessary to create the
* appropriate form action tag
* @return Form Returns the login form to use with this authentication
* method
*/
public static function get_login_form(Controller $controller) {
return Object::create("MemberLoginForm", $controller, "LoginForm");
}
/**
* Get the name of the authentication method
*
* @return string Returns the name of the authentication method.
*/
public static function get_name() {
return _t('MemberAuthenticator.TITLE', "E-mail &amp; Password");
}
}