/**
* Test password hashing.
*/
function testPasswordHashing()
{
// Set a log2 iteration count that is deliberately out of bounds to test
// that it is corrected to be within bounds.
$password_hasher = new PhpassHashedPassword(1);
// Set up a fake $account with a password 'baz', hashed with md5.
$password = '******';
$account = entity_create('user', array('name' => 'foo', 'pass' => md5($password)));
// The md5 password should be flagged as needing an update.
$this->assertTrue($password_hasher->userNeedsNewHash($account), 'User with md5 password needs a new hash.');
// Re-hash the password.
$old_hash = $account->getPassword();
$account->setPassword($password_hasher->hash($password));
$this->assertIdentical($password_hasher->getCountLog2($account->getPassword()), $password_hasher::MIN_HASH_COUNT, 'Re-hashed password has the minimum number of log2 iterations.');
$this->assertTrue($account->getPassword() != $old_hash, 'Password hash changed.');
$this->assertTrue($password_hasher->check($password, $account), 'Password check succeeds.');
// Since the log2 setting hasn't changed and the user has a valid password,
// $password_hasher->userNeedsNewHash() should return FALSE.
$this->assertFalse($password_hasher->userNeedsNewHash($account), 'User does not need a new hash.');
// Increment the log2 iteration to MIN + 1.
$password_hasher = new PhpassHashedPassword($password_hasher::MIN_HASH_COUNT + 1);
$this->assertTrue($password_hasher->userNeedsNewHash($account), 'User needs a new hash after incrementing the log2 count.');
// Re-hash the password.
$old_hash = $account->getPassword();
$account->setPassword($password_hasher->hash($password));
$this->assertIdentical($password_hasher->getCountLog2($account->getPassword()), $password_hasher::MIN_HASH_COUNT + 1, 'Re-hashed password has the correct number of log2 iterations.');
$this->assertTrue($account->getPassword() != $old_hash, 'Password hash changed again.');
// Now the hash should be OK.
$this->assertFalse($password_hasher->userNeedsNewHash($account), 'Re-hashed password does not need a new hash.');
$this->assertTrue($password_hasher->check($password, $account), 'Password check succeeds with re-hashed password.');
}
/**
* Tests password rehashing.
*
* @covers ::hash
* @covers ::getCountLog2
* @covers ::check
* @covers ::userNeedsNewHash
*/
public function testPasswordRehashing()
{
// Increment the log2 iteration to MIN + 1.
$this->passwordHasher = new PhpassHashedPassword(PhpassHashedPassword::MIN_HASH_COUNT + 1);
$this->assertTrue($this->passwordHasher->userNeedsNewHash($this->user), 'User needs a new hash after incrementing the log2 count.');
// Re-hash the password.
$rehashed_password = $this->passwordHasher->hash($this->password);
$this->user->expects($this->any())->method('getPassword')->will($this->returnValue($rehashed_password));
$this->assertSame($this->passwordHasher->getCountLog2($rehashed_password), PhpassHashedPassword::MIN_HASH_COUNT + 1, 'Re-hashed password has the correct number of log2 iterations.');
$this->assertNotEquals($rehashed_password, $this->hashedPassword, 'Password hash changed again.');
// Now the hash should be OK.
$this->assertFalse($this->passwordHasher->userNeedsNewHash($this->user), 'Re-hashed password does not need a new hash.');
$this->assertTrue($this->passwordHasher->check($this->password, $this->user), 'Password check succeeds with re-hashed password.');
}