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<?php |
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namespace App\Hustoj\Hashing; |
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use Illuminate\Contracts\Hashing\Hasher as HashingContract; |
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use Illuminate\Support\Arr; |
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class Hasher implements HashingContract |
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{ |
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/** |
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* Check the given plain value against a hash. |
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* |
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* @param string $value |
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* @param string $hashedValue |
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* @param array $options |
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* |
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* @return bool |
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*/ |
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public function check($value, $hashedValue, array $options = []) |
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{ |
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// TODO: Implement check() method. |
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if (md5($value) == $hashedValue) { |
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// generate new style password |
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} |
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$origin_hash = base64_decode($hashedValue); |
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$salt = substr($origin_hash, 20); |
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$hashed_password = $this->make($value, ['salt' => $salt]); |
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return $hashed_password == $hashedValue; |
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} |
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/** |
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* Hash the given value. |
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* |
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* @param string $value |
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* @param array $options |
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* |
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* @return string |
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*/ |
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public function make($value, array $options = []) |
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{ |
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$salt = Arr::get($options, 'salt'); |
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if (! $salt) { |
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$this->generateSalt(); |
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} |
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$hashed_password = sha1(md5($value).$salt, true); |
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return base64_encode($hashed_password.$salt); |
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} |
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protected function generateSalt() |
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{ |
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$salt = sha1(mt_rand()); |
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return substr($salt, 0, 4); |
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} |
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/** |
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* Check if the given hash has been hashed using the given options. |
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* |
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* @param string $hashedValue |
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* @param array $options |
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* |
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* @return bool |
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*/ |
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public function needsRehash($hashedValue, array $options = []) |
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{ |
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//todo: rehash old password to new password |
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return false; |
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} |
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/** |
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* Get information about the given hashed value. |
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* |
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* @param string $hashedValue |
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* |
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* @return array |
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*/ |
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public function info($hashedValue) |
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{ |
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return [ |
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'algo' => 0, |
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'algoName' => 'hustoj', |
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'options' => [], |
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]; |
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} |
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/** |
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* detect password is old md5 password. |
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* |
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* @param string $password |
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* |
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* @return bool |
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*/ |
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protected function isDeprecated($password) |
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{ |
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$len = strlen($password); |
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for ($pos = 0; $pos < $len; $pos++) { |
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$char = $password[$pos]; |
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if ($this->isCharactorInHexScope($char)) { |
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continue; |
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} |
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break; |
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} |
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return false; |
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} |
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/** |
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* detect charactor is 0-9a-z. |
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* |
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* @param $char |
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* |
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* @return bool |
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*/ |
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private function isCharactorInHexScope($char) |
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{ |
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$char = strtolower($char); |
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if (ctype_digit($char)) { |
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return true; |
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} |
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if ($char >= 'a' && $char <= 'z') { |
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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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hustoj /
hustoj-neo
