/**
* Returns the original string if the signature is valid or FALSE if not.
*
* @access public
* @param string $string The string you want to validate
* @return string|boolean
*/
public function validate($string)
{
$validated = substr($string, static::MAC_LENGTH);
if (Comparer::compare($this->getSignature($validated), substr($string, 0, static::MAC_LENGTH))) {
return $validated;
}
return false;
}
/**
*
*/
public function testCompare()
{
$this->assertTrue(Comparer::compare('foo', 'foo'));
$this->assertTrue(Comparer::compare('', ''));
$this->assertTrue(Comparer::compare(123, 123));
$this->assertTrue(Comparer::compare(123, '123'));
$this->assertTrue(Comparer::compare(null, null));
$this->assertTrue(Comparer::compare(null, ''));
$this->assertFalse(Comparer::compare('foo', 'bar'));
$this->assertFalse(Comparer::compare('foo', ''));
$this->assertFalse(Comparer::compare('', 'foo'));
$this->assertFalse(Comparer::compare('foo', 'fooo'));
$this->assertFalse(Comparer::compare('fooo', 'foo'));
}
/**
* Validates security token.
*
* @access public
* @param string $token Security token
* @return boolean
*/
public function validateOneTimeToken($token)
{
if (!$this->started) {
throw new LogicException(vsprintf("%s(): The session has not been started yet.", [__METHOD__]));
}
if (!empty($this->sessionData['mako.tokens'])) {
foreach ($this->sessionData['mako.tokens'] as $key => $value) {
if (Comparer::compare($value, $token)) {
unset($this->sessionData['mako.tokens'][$key]);
return true;
}
}
}
return false;
}
