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<?php
/**
* Password policy checks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Functions to check passwords against a policy requirement
* @since 1.26
*/
class PasswordPolicyChecks {
/**
* Check password is longer than minimum, not fatal
* @param int $policyVal minimal length
* @param User $user
* @param string $password
* @return Status error if $password is shorter than $policyVal
*/
public static function checkMinimalPasswordLength( $policyVal, User $user, $password ) {
$status = Status::newGood();
if ( $policyVal > strlen( $password ) ) {
$status->error( 'passwordtooshort', $policyVal );
}
return $status;
}
/**
* Check password is longer than minimum, fatal
* @param int $policyVal minimal length
* @param User $user
* @param string $password
* @return Status fatal if $password is shorter than $policyVal
*/
public static function checkMinimumPasswordLengthToLogin( $policyVal, User $user, $password ) {
$status = Status::newGood();
if ( $policyVal > strlen( $password ) ) {
$status->fatal( 'passwordtooshort', $policyVal );
}
return $status;
}
/**
* Check password is shorter than maximum, fatal
* @param int $policyVal maximum length
* @param User $user
* @param string $password
* @return Status fatal if $password is shorter than $policyVal
*/
public static function checkMaximalPasswordLength( $policyVal, User $user, $password ) {
$status = Status::newGood();
if ( $policyVal < strlen( $password ) ) {
$status->fatal( 'passwordtoolong', $policyVal );
}
return $status;
}
/**
* Check if username and password match
* @param bool $policyVal true to force compliance.
* @param User $user
* @param string $password
* @return Status error if username and password match, and policy is true
*/
public static function checkPasswordCannotMatchUsername( $policyVal, User $user, $password ) {
global $wgContLang;
$status = Status::newGood();
$username = $user->getName();
if ( $policyVal && $wgContLang->lc( $password ) === $wgContLang->lc( $username ) ) {
$status->error( 'password-name-match' );
}
return $status;
}
/**
* Check if username and password are on a blacklist
* @param bool $policyVal true to force compliance.
* @param User $user
* @param string $password
* @return Status error if username and password match, and policy is true
*/
public static function checkPasswordCannotMatchBlacklist( $policyVal, User $user, $password ) {
static $blockedLogins = array(
'Useruser' => 'Passpass', 'Useruser1' => 'Passpass1', # r75589
'Apitestsysop' => 'testpass', 'Apitestuser' => 'testpass' # r75605
);
$status = Status::newGood();
$username = $user->getName();
if ( $policyVal
&& isset( $blockedLogins[$username] )
&& $password == $blockedLogins[$username]
) {
$status->error( 'password-login-forbidden' );
}
return $status;
}
}
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