[Security] limited the password length passed to encoders
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@ -64,6 +64,8 @@ class BCryptPasswordEncoder extends BasePasswordEncoder
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*/
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public function encodePassword($raw, $salt)
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{
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$this->checkPasswordLength($raw);
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$options = array('cost' => $this->cost);
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if ($salt) {
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@ -78,6 +80,8 @@ class BCryptPasswordEncoder extends BasePasswordEncoder
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*/
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public function isPasswordValid($encoded, $raw, $salt)
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{
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$this->checkPasswordLength($raw);
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return password_verify($raw, $encoded);
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}
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}
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@ -12,6 +12,7 @@
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namespace Symfony\Component\Security\Core\Encoder;
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use Symfony\Component\Security\Core\Util\StringUtils;
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use Symfony\Component\Security\Core\Exception\BadCredentialsException;
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/**
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* BasePasswordEncoder is the base class for all password encoders.
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@ -20,6 +21,8 @@ use Symfony\Component\Security\Core\Util\StringUtils;
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*/
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abstract class BasePasswordEncoder implements PasswordEncoderInterface
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{
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const MAX_PASSWORD_LENGTH = 4096;
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/**
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* Demerges a merge password and salt string.
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*
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@ -83,4 +86,11 @@ abstract class BasePasswordEncoder implements PasswordEncoderInterface
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{
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return StringUtils::equals($password1, $password2);
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}
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protected function checkPasswordLength($password)
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{
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if (strlen($password) > self::MAX_PASSWORD_LENGTH) {
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throw new BadCredentialsException('Invalid password.');
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}
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}
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}
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@ -41,6 +41,8 @@ class MessageDigestPasswordEncoder extends BasePasswordEncoder
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*/
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public function encodePassword($raw, $salt)
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{
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$this->checkPasswordLength($raw);
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if (!in_array($this->algorithm, hash_algos(), true)) {
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throw new \LogicException(sprintf('The algorithm "%s" is not supported.', $this->algorithm));
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}
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@ -61,6 +63,8 @@ class MessageDigestPasswordEncoder extends BasePasswordEncoder
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*/
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public function isPasswordValid($encoded, $raw, $salt)
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{
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$this->checkPasswordLength($raw);
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return $this->comparePasswords($encoded, $this->encodePassword($raw, $salt));
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}
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}
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@ -54,6 +54,8 @@ class Pbkdf2PasswordEncoder extends BasePasswordEncoder
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*/
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public function encodePassword($raw, $salt)
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{
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$this->checkPasswordLength($raw);
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if (!in_array($this->algorithm, hash_algos(), true)) {
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throw new \LogicException(sprintf('The algorithm "%s" is not supported.', $this->algorithm));
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}
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@ -72,6 +74,8 @@ class Pbkdf2PasswordEncoder extends BasePasswordEncoder
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*/
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public function isPasswordValid($encoded, $raw, $salt)
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{
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$this->checkPasswordLength($raw);
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return $this->comparePasswords($encoded, $this->encodePassword($raw, $salt));
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}
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@ -35,6 +35,8 @@ class PlaintextPasswordEncoder extends BasePasswordEncoder
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*/
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public function encodePassword($raw, $salt)
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{
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$this->checkPasswordLength($raw);
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return $this->mergePasswordAndSalt($raw, $salt);
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}
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@ -43,6 +45,8 @@ class PlaintextPasswordEncoder extends BasePasswordEncoder
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*/
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public function isPasswordValid($encoded, $raw, $salt)
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{
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$this->checkPasswordLength($raw);
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$pass2 = $this->mergePasswordAndSalt($raw, $salt);
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if (!$this->ignorePasswordCase) {
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@ -64,6 +64,26 @@ class BCryptPasswordEncoderTest extends \PHPUnit_Framework_TestCase
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$this->assertFalse($encoder->isPasswordValid($result, 'anotherPassword', null));
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testEncodePasswordLength()
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{
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$encoder = new BCryptPasswordEncoder(4);
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$encoder->encodePassword(str_repeat('a', 5000), 'salt');
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testCheckPasswordLength()
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{
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$encoder = new BCryptPasswordEncoder(4);
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$encoder->isPasswordValid('encoded', str_repeat('a', 5000), 'salt');
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}
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private function skipIfPhpVersionIsNotSupported()
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{
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if (version_compare(phpversion(), '5.3.7', '<')) {
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@ -42,4 +42,24 @@ class MessageDigestPasswordEncoderTest extends \PHPUnit_Framework_TestCase
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$encoder = new MessageDigestPasswordEncoder('foobar');
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$encoder->encodePassword('password', '');
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testEncodePasswordLength()
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{
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$encoder = new MessageDigestPasswordEncoder();
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$encoder->encodePassword(str_repeat('a', 5000), 'salt');
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testCheckPasswordLength()
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{
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$encoder = new MessageDigestPasswordEncoder();
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$encoder->isPasswordValid('encoded', str_repeat('a', 5000), 'salt');
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}
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}
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@ -42,4 +42,24 @@ class Pbkdf2PasswordEncoderTest extends \PHPUnit_Framework_TestCase
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$encoder = new Pbkdf2PasswordEncoder('foobar');
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$encoder->encodePassword('password', '');
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testEncodePasswordLength()
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{
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$encoder = new Pbkdf2PasswordEncoder();
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$encoder->encodePassword(str_repeat('a', 5000), 'salt');
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testCheckPasswordLength()
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{
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$encoder = new Pbkdf2PasswordEncoder();
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$encoder->isPasswordValid('encoded', str_repeat('a', 5000), 'salt');
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}
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}
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@ -36,4 +36,24 @@ class PlaintextPasswordEncoderTest extends \PHPUnit_Framework_TestCase
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$this->assertSame('foo', $encoder->encodePassword('foo', ''));
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testEncodePasswordLength()
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{
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$encoder = new PlaintextPasswordEncoder();
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$encoder->encodePassword(str_repeat('a', 5000), 'salt');
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}
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/**
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* @expectedException \Symfony\Component\Security\Core\Exception\BadCredentialsException
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*/
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public function testCheckPasswordLength()
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{
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$encoder = new PlaintextPasswordEncoder();
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$encoder->isPasswordValid('encoded', str_repeat('a', 5000), 'salt');
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}
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}
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