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<?php |
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namespace vakata\asn1\structures; |
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use \vakata\asn1\ASN1; |
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use \vakata\asn1\ASN1Exception; |
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use \vakata\asn1\Encoder; |
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class TimestampRequest extends Structure |
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{ |
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/** |
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* Generate a timestamp request (tsq) for a file path |
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* @param string $path the path to the file to be timestamped |
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* @param boolean|string $nonce should a nonce be used - defaults to true, could be a value to use as nonce |
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* @param boolean $requireCert should a certificate be returned in the response, defaults to false |
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* @param string $alg the algorithm to use, defaults to 'sha1' |
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* @param string|null $policy the policy to use, defaults to null |
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* @return string the raw timestamp request |
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* @codeCoverageIgnore |
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*/ |
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public static function generateFromFile($path, $nonce = true, $requireCert = false, $alg = 'sha1', $policy = null) |
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{ |
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return static::generateFromData(file_get_contents($path), $none, $requireCert, $alg, $policy); |
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} |
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/** |
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* Generate a timestamp request (tsq) for a string |
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* @param string $data the data to be timestamped |
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* @param boolean|string $nonce should a nonce be used - defaults to true, could be a value to use as nonce |
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* @param boolean $requireCert should a certificate be returned in the response, defaults to false |
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* @param string $alg the algorithm to use, defaults to 'sha1' |
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* @param string|null $policy the policy to use, defaults to null |
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* @return string the raw timestamp request |
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*/ |
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public static function generateFromData($data, $nonce = true, $requireCert = false, $alg = 'sha1', $policy = null) |
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{ |
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if (!in_array($alg, ['sha1', 'sha256', 'sha384', 'sha512', 'md5'])) { |
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throw new TimestampException('Unsupported hash algorithm'); |
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} |
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$hash = hash($alg, $data, true); |
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if ($nonce === true) { |
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$nonce = rand(1, PHP_INT_MAX); |
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} |
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if (!$nonce) { |
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$nonce = null; |
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} |
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$src = [ |
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'version' => 'v1', |
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'reqPolicy' => $policy, |
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'messageImprint' => [ |
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'hashAlgorithm' => [ "algorithm" => $alg, 'parameters' => null ], |
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'hashedMessage' => base64_encode($hash), |
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], |
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'nonce' => $nonce, |
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'certReq' => $requireCert |
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]; |
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return Encoder::encode($src, static::map()); |
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} |
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/** |
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* Generate a timestamp request (tsq) for a given hash |
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* @param string $data the hash to be timestamped (raw binary) |
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* @param boolean|string $nonce should a nonce be used - defaults to true, could be a value to use as nonce |
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* @param boolean $requireCert should a certificate be returned in the response, defaults to false |
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* @param string $alg the algorithm to use, defaults to 'sha1' |
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* @param string|null $policy the policy to use, defaults to null |
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* @return string the raw timestamp request |
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*/ |
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public static function generateFromHash($data, $nonce = true, $requireCert = false, $alg = 'sha1', $policy = null) |
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{ |
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if (!in_array($alg, ['sha1', 'sha256', 'sha384', 'sha512', 'md5'])) { |
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throw new ASN1Exception('Unsupported hash algorithm'); |
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} |
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if ($nonce === true) { |
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$nonce = rand(1, PHP_INT_MAX); |
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} |
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if (!$nonce) { |
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$nonce = null; |
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} |
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$src = [ |
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'version' => 'v1', |
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'reqPolicy' => $policy, |
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'messageImprint' => [ |
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'hashAlgorithm' => [ "algorithm" => $alg, 'parameters' => null ], |
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'hashedMessage' => base64_encode($data), |
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], |
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'nonce' => $nonce, |
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'certReq' => $requireCert |
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]; |
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return Encoder::encode($src, static::map()); |
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} |
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public static function map() |
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{ |
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return [ |
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'tag' => ASN1::TYPE_SEQUENCE, |
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'children' => [ |
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'version' => [ |
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'tag' => ASN1::TYPE_INTEGER, |
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'map' => [1=>'v1','v2','v3'] |
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], |
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'reqPolicy' => [ |
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'tag' => ASN1::TYPE_OBJECT_IDENTIFIER, |
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'optional' => true, |
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], |
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'messageImprint' => [ |
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'tag' => ASN1::TYPE_SEQUENCE, |
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'children' => [ |
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'hashAlgorithm' => Common::AlgorithmIdentifier(), |
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'hashedMessage' => [ |
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'tag' => ASN1::TYPE_OCTET_STRING |
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] |
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] |
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], |
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'nonce' => [ |
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'tag' => ASN1::TYPE_INTEGER, |
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'optional' => true |
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], |
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'certReq' => [ |
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'tag' => ASN1::TYPE_BOOLEAN, |
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'optional' => true |
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] |
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] |
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]; |
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} |
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} |
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vakata /
asn1
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.