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<?php |
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|
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namespace Intervention\HttpAuth\Vault; |
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|
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use Intervention\HttpAuth\AbstractVault; |
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use Intervention\HttpAuth\Directive; |
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use Intervention\HttpAuth\Key; |
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|
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class DigestVault extends AbstractVault |
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{ |
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/** |
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* Determine if given key is able to unlock (access) vault. |
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* |
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* @param Key $key |
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* @return bool |
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*/ |
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public function unlocksWithKey(Key $key): bool |
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{ |
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$username_match = $key->getUsername() == $this->getUsername(); |
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$hash_match = $key->getResponse() == $this->getKeyHash($key); |
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|
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return $username_match && $hash_match; |
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} |
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|
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/** |
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* Build and return hash from given key/vault |
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* |
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* @param Key $key |
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* @return string |
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*/ |
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private function getKeyHash(Key $key): string |
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{ |
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return md5(implode(':', [ |
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md5(sprintf('%s:%s:%s', $key->getUsername(), $this->getRealm(), $this->getPassword())), |
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$key->getNonce(), |
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$key->getNc(), |
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$key->getCnonce(), |
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$key->getQop(), |
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md5(sprintf('%s:%s', $this->getRequestMethod(), $key->getUri())), |
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])); |
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} |
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|
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/** |
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* Return HTTP request method |
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* |
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* @return string |
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*/ |
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private function getRequestMethod() |
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{ |
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return isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'GET'; |
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} |
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|
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/** |
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* Return auth directive |
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* |
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* @return Directive |
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*/ |
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public function getDirective(): Directive |
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{ |
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return new Directive('digest', [ |
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'realm' => $this->getRealm(), |
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'qop' => 'auth', |
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'nonce' => uniqid(), |
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'opaque' => md5($this->getRealm()), |
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]); |
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} |
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} |
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