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<?php |
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/** |
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* @author Todd Burry <[email protected]> |
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* @copyright 2009-2014 Vanilla Forums Inc. |
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* @license MIT |
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*/ |
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namespace Garden\Password; |
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/** |
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* Implements the password hashing algorithm of punBB. |
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* |
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* In order to use this class with passwords from a punbb database concatenate the password hashes and salts. |
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* |
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* ```php |
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* // php |
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* $hash = $password.'$'.$salt; |
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* ``` |
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* |
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* ```sql |
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* -- mysql |
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* select concat(u.password, '$', u.salt) as password_hash |
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* from punbb_users u; |
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* ``` |
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*/ |
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class PunbbPassword implements IPassword { |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hash($password) { |
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$salt = base64_encode(openssl_random_pseudo_bytes(12)); |
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return $this->hashRaw($password, $salt).'$'.$salt; |
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} |
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/** |
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* Hashes a password with a given salt. |
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* |
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* @param string $password The password to hash. |
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* @param string $salt The password salt. |
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* @return string Returns the password hash. |
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*/ |
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protected function hashRaw($password, $salt) { |
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$calc_hash = sha1($salt.sha1($password)); |
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return $calc_hash; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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1 |
View Code Duplication |
public function needsRehash($hash) { |
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list($stored_hash, $stored_salt) = $this->splitHash($hash); |
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// Unsalted hashes should be rehashed. |
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if ($stored_hash === false || $stored_salt === false) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function verify($password, $hash) { |
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list($stored_hash, $stored_salt) = $this->splitHash($hash); |
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if (md5($password) == $stored_hash) { |
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$result = true; |
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} elseif (sha1($password) == $stored_hash) { |
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$result = true; |
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} elseif (sha1($stored_salt.sha1($password)) == $stored_hash) { |
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$result = true; |
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} else { |
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$result = false; |
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} |
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return $result; |
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} |
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/** |
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* Split the hash into its calculated hash and salt. |
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* |
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* @param string $hash The hash to split. |
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* @return array An array in the form [$hash, $salt]. |
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*/ |
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protected function splitHash($hash) { |
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if (strpos($hash, '$') === false) { |
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return [$hash, false]; |
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} else { |
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$parts = explode('$', $hash, 2); |
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return $parts; |
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} |
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} |
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} |
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vanilla /
garden
