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<?php |
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/* |
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* This file is part of the ManageWP Worker plugin. |
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* |
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* (c) ManageWP LLC <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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class MWP_Signer_PhpSecLibSigner implements MWP_Signer_Interface |
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{ |
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public function verify($data, $signature, $publicKey, $algorithm = null) |
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{ |
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$this->requireLibrary(); |
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|
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$rsa = new Crypt_RSA(); |
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$rsa->setSignatureMode(CRYPT_RSA_SIGNATURE_PKCS1); |
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$rsa->loadKey($publicKey, CRYPT_RSA_PUBLIC_FORMAT_PKCS1); |
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$errorCatcher = new MWP_Debug_ErrorCatcher(); |
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$errorCatcher->register(); |
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$verify = $rsa->verify($data, $signature); |
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$errorMessage = $errorCatcher->yieldErrorMessage(true); |
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|
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if (!$verify && $errorMessage !== null && $errorMessage !== 'Signature representative out of range' && $errorMessage !== 'Invalid signature') { |
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throw new MWP_Worker_Exception(MWP_Worker_Exception::PHPSECLIB_VERIFY_ERROR, null, array( |
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'error' => $errorMessage, |
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)); |
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} |
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|
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return $verify; |
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} |
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|
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private function requireLibrary() |
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{ |
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if (class_exists('Crypt_RSA', false)) { |
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return; |
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} |
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|
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require_once dirname(__FILE__).'/../../PHPSecLib/Crypt/RSA.php'; |
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} |
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} |
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|
