* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
- * @package StatusNet
+ * @package GNUsocial
* @author Mikael Nordfeldth <mmn@hethane.se>
* @copyright 2012 StatusNet, Inc.
- * @copyright 2012 Free Software Foundation, Inc http://www.fsf.org
+ * @copyright 2013 Free Software Foundation, Inc http://www.fsf.org
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link http://status.net/
+ * @link http://www.gnu.org/software/social/
*/
-if (!defined('STATUSNET')) {
- exit(1);
-}
+if (!defined('GNUSOCIAL')) { exit(1); }
-/**
- * Plugin to use crypt() for user password hashes
- *
- * @category Plugin
- * @package StatusNet
- * @author Mikael Nordfeldth <mmn@hethane.se>
- * @copyright 2012 StatusNet, Inc.
- * @copyright 2012 Free Software Foundation, Inc http://www.fsf.org
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link http://status.net/
- */
class AuthCryptPlugin extends AuthenticationPlugin
{
- public $hash; // defaults to SHA512, i.e. '$6$', in onInitializePlugin()
- public $hostile; // if true, password login means change password to crypt() hash
- public $overwrite; // if true, password change means always store crypt() hash
+ protected $hash = '$6$'; // defaults to SHA512, i.e. '$6$', in onInitializePlugin()
+ protected $statusnet = true; // if true, also check StatusNet style password hash
+ protected $overwrite = true; // if true, password change means overwrite with crypt()
+
+ public $provider_name = 'crypt'; // not actually used
/*
* FUNCTIONALITY
*/
- function checkPassword($username, $password) {
- $user = User::getKV('nickname', common_canonical_nickname($username));
+ function checkPassword($username, $password)
+ {
+ $user = User::getKV('nickname', $username);
+ if (!($user instanceof User)) {
+ return false;
+ }
- // crypt cuts the second parameter to its appropriate length based on hash scheme
- if (!empty($user) && $user->password === crypt($password, $user->password)) {
+ // crypt understands what the salt part of $user->password is
+ if ($user->password === crypt($password, $user->password)) {
return $user;
}
- // if we're hostile, check the password against old-style hashing
- if (!empty($user) && $this->hostile && $user->password === md5($password . $user->id)) {
- // update password hash entry to crypt() compatible
- $this->changePassword($username, $password, $password);
+
+ // If we check StatusNet hash, for backwards compatibility and migration
+ if ($this->statusnet && $user->password === md5($password . $user->id)) {
+ // and update password hash entry to crypt() compatible
+ if ($this->overwrite) {
+ $this->changePassword($user->nickname, null, $password);
+ }
return $user;
}
return false;
}
+ protected function cryptSalt($len=CRYPT_SALT_LENGTH)
+ {
+ $chars = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+ $salt = '';
+
+ for ($i=0; $i<$len; $i++) {
+ $salt .= $chars{mt_rand(0, strlen($chars)-1)};
+ }
+
+ return $salt;
+ }
+
// $oldpassword is already verified when calling this function... shouldn't this be private?!
- function changePassword($username, $oldpassword, $newpassword) {
+ function changePassword($username, $oldpassword, $newpassword)
+ {
if (!$this->password_changeable) {
return false;
}
}
$original = clone($user);
- // a new, unique salt per new record stored... but common_good_rand should be more diverse than hexdec
- $user->password = crypt($newpassword, $this->hash . common_good_rand(CRYPT_SALT_LENGTH));
+ $user->password = $this->hashPassword($newpassword, $user->getProfile());
return (true === $user->validate() && $user->update($original));
}
+ public function hashPassword($password, Profile $profile=null)
+ {
+ // A new, unique salt per new record stored...
+ return crypt($password, $this->hash . self::cryptSalt());
+ }
+
/*
* EVENTS
*/
- function onInitializePlugin() {
- $this->provider_name = 'crypt'; // we don't actually use the provider_name
-
- if (!isset($this->hash)) {
- $this->hash = '$6$'; // SHA512 supported on all systems since PHP 5.3.2
- }
- if (!isset($this->hostile)) {
- $this->hostile = false; // overwrite old style password hashes?
- }
- if (!isset($this->overwrite)) {
- $this->overwrite = true; // overwrite old style password hashes?
- }
- }
-
- function onStartChangePassword($user, $oldpassword, $newpassword) {
- if (!$this->checkPassword($user->nickname, $oldpassword)) {
+ public function onStartChangePassword($user, $oldpassword, $newpassword)
+ {
+ if (!$this->checkPassword($user->nickname, $oldpassword)) {
// if we ARE in overwrite mode, test password with common_check_user
if (!$this->overwrite || !common_check_user($user->nickname, $oldpassword)) {
// either we're not in overwrite mode, or the password was incorrect
}
$changed = $this->changePassword($user->nickname, $oldpassword, $newpassword);
- return (!$changed && empty($this->authoritative));
+ return (!$changed && empty($this->authoritative));
}
- function onStartCheckPassword($nickname, $password, &$authenticatedUser) {
+ public function onStartCheckPassword($nickname, $password, &$authenticatedUser)
+ {
$authenticatedUser = $this->checkPassword($nickname, $password);
- return (empty($authenticatedUser) && empty($this->authoritative));
+ // if we failed, only return false to stop plugin execution if we're authoritative
+ return (!($authenticatedUser instanceof User) && empty($this->authoritative));
}
- function onCheckSchema() {
+ public function onStartHashPassword(&$hashed, $password, Profile $profile=null)
+ {
+ $hashed = $this->hashPassword($password, $profile);
+ return false;
+ }
+
+ public function onCheckSchema()
+ {
// we only use the User database, so default AuthenticationPlugin stuff can be ignored
return true;
}
- function onUserDeleteRelated($user, &$tables) {
+ public function onUserDeleteRelated($user, &$tables)
+ {
// not using User_username table, so no need to add it here.
return true;
}
- function onPluginVersion(&$versions)
+ public function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'AuthCrypt',
'version' => STATUSNET_VERSION,
projects / quix0rs-gnu-social.git / blobdiff