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Edit File : OpenSSL.php \| Size : 2.94 KB
<?php namespace Lcobucci\JWT\Signer; use InvalidArgumentException; use Lcobucci\JWT\Signer; use function assert; use function is_array; use function is_resource; use function openssl_error_string; use function openssl_free_key; use function openssl_pkey_get_details; use function openssl_pkey_get_private; use function openssl_pkey_get_public; use function openssl_sign; use function openssl_verify; abstract class OpenSSL extends BaseSigner { public function createHash($payload, Key $key) { $privateKey = $this->getPrivateKey($key->getContent(), $key->getPassphrase()); try { $signature = ''; if (! openssl_sign($payload, $signature, $privateKey, $this->getAlgorithm())) { throw new InvalidArgumentException( 'There was an error while creating the signature: ' . openssl_error_string() ); } return $signature; } finally { openssl_free_key($privateKey); } } /** * @param string $pem * @param string $passphrase * * @return resource / private function getPrivateKey($pem, $passphrase) { $privateKey = openssl_pkey_get_private($pem, $passphrase); $this->validateKey($privateKey); return $privateKey; } /* * @param $expected * @param $payload * @param $pem * @return bool / public function doVerify($expected, $payload, Key $key) { $publicKey = $this->getPublicKey($key->getContent()); $result = openssl_verify($payload, $expected, $publicKey, $this->getAlgorithm()); openssl_free_key($publicKey); return $result === 1; } /* * @param string $pem * * @return resource / private function getPublicKey($pem) { $publicKey = openssl_pkey_get_public($pem); $this->validateKey($publicKey); return $publicKey; } /* * Raises an exception when the key type is not the expected type * * @param resource\|bool $key * * @throws InvalidArgumentException / private function validateKey($key) { if (! is_resource($key)) { throw new InvalidArgumentException( 'It was not possible to parse your key, reason: ' . openssl_error_string() ); } $details = openssl_pkey_get_details($key); if (! isset($details['key']) \|\| $details['type'] !== $this->getKeyType()) { throw new InvalidArgumentException('This key is not compatible with this signer'); } } /* * Returns the type of key to be used to create/verify the signature (using OpenSSL constants) * * @internal / abstract public function getKeyType(); /* * Returns which algorithm to be used to create/verify the signature (using OpenSSL constants) * * @internal */ abstract public function getAlgorithm(); } Back

Edit File : OpenSSL.php | Size : 2.94 KB

<?php
namespace Lcobucci\JWT\Signer;

use InvalidArgumentException;
use Lcobucci\JWT\Signer;
use function assert;
use function is_array;
use function is_resource;
use function openssl_error_string;
use function openssl_free_key;
use function openssl_pkey_get_details;
use function openssl_pkey_get_private;
use function openssl_pkey_get_public;
use function openssl_sign;
use function openssl_verify;

abstract class OpenSSL extends BaseSigner
{
    public function createHash($payload, Key $key)
    {
        $privateKey = $this->getPrivateKey($key->getContent(), $key->getPassphrase());

try {
            $signature = '';

if (! openssl_sign($payload, $signature, $privateKey, $this->getAlgorithm())) {
                throw new InvalidArgumentException(
                    'There was an error while creating the signature: ' . openssl_error_string()
                );
            }

return $signature;
        } finally {
            openssl_free_key($privateKey);
        }
    }

/**
     * @param string $pem
     * @param string $passphrase
     *
     * @return resource
     */
    private function getPrivateKey($pem, $passphrase)
    {
        $privateKey = openssl_pkey_get_private($pem, $passphrase);
        $this->validateKey($privateKey);

return $privateKey;
    }

/**
     * @param $expected
     * @param $payload
     * @param $pem
     * @return bool
     */
    public function doVerify($expected, $payload, Key $key)
    {
        $publicKey = $this->getPublicKey($key->getContent());
        $result    = openssl_verify($payload, $expected, $publicKey, $this->getAlgorithm());
        openssl_free_key($publicKey);

return $result === 1;
    }

/**
     * @param string $pem
     *
     * @return resource
     */
    private function getPublicKey($pem)
    {
        $publicKey = openssl_pkey_get_public($pem);
        $this->validateKey($publicKey);

return $publicKey;
    }

/**
     * Raises an exception when the key type is not the expected type
     *
     * @param resource|bool $key
     *
     * @throws InvalidArgumentException
     */
    private function validateKey($key)
    {
        if (! is_resource($key)) {
            throw new InvalidArgumentException(
                'It was not possible to parse your key, reason: ' . openssl_error_string()
            );
        }

$details = openssl_pkey_get_details($key);

if (! isset($details['key']) || $details['type'] !== $this->getKeyType()) {
            throw new InvalidArgumentException('This key is not compatible with this signer');
        }
    }

/**
     * Returns the type of key to be used to create/verify the signature (using OpenSSL constants)
     *
     * @internal
     */
    abstract public function getKeyType();

/**
     * Returns which algorithm to be used to create/verify the signature (using OpenSSL constants)
     *
     * @internal
     */
    abstract public function getAlgorithm();
}

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