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<?php
/**
* @file
* Provides unit tests for password.inc.
*/
/**
* Unit tests for password hashing API.
*/
class PasswordHashingTest extends DrupalWebTestCase {
protected $profile = 'testing';
public static function getInfo() {
return array(
'name' => 'Password hashing',
'description' => 'Password hashing unit tests.',
'group' => 'System',
);
}
function setUp() {
require_once DRUPAL_ROOT . '/' . variable_get('password_inc', 'includes/password.inc');
parent::setUp();
}
/**
* 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.
variable_set('password_count_log2', 1);
// Set up a fake $account with a password 'baz', hashed with md5.
$password = 'baz';
$account = (object) array('name' => 'foo', 'pass' => md5($password));
// The md5 password should be flagged as needing an update.
$this->assertTrue(user_needs_new_hash($account), t('User with md5 password needs a new hash.'));
// Re-hash the password.
$old_hash = $account->pass;
$account->pass = user_hash_password($password);
$this->assertIdentical(_password_get_count_log2($account->pass), DRUPAL_MIN_HASH_COUNT, t('Re-hashed password has the minimum number of log2 iterations.'));
$this->assertTrue($account->pass != $old_hash, t('Password hash changed.'));
$this->assertTrue(user_check_password($password, $account), t('Password check succeeds.'));
// Since the log2 setting hasn't changed and the user has a valid password,
// user_needs_new_hash() should return FALSE.
$this->assertFalse(user_needs_new_hash($account), t('User does not need a new hash.'));
// Increment the log2 iteration to MIN + 1.
variable_set('password_count_log2', DRUPAL_MIN_HASH_COUNT + 1);
$this->assertTrue(user_needs_new_hash($account), t('User needs a new hash after incrementing the log2 count.'));
// Re-hash the password.
$old_hash = $account->pass;
$account->pass = user_hash_password($password);
$this->assertIdentical(_password_get_count_log2($account->pass), DRUPAL_MIN_HASH_COUNT + 1, t('Re-hashed password has the correct number of log2 iterations.'));
$this->assertTrue($account->pass != $old_hash, t('Password hash changed again.'));
// Now the hash should be OK.
$this->assertFalse(user_needs_new_hash($account), t('Re-hashed password does not need a new hash.'));
$this->assertTrue(user_check_password($password, $account), t('Password check succeeds with re-hashed password.'));
}
}
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