71 lines
2.2 KiB
PHP
71 lines
2.2 KiB
PHP
<?php
|
|
/*
|
|
* Copyright 2011 Google Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
* Signs data.
|
|
*
|
|
* Only used for testing.
|
|
*
|
|
* @author Brian Eaton <beaton@google.com>
|
|
*/
|
|
class Google_P12Signer extends Google_Signer {
|
|
// OpenSSL private key resource
|
|
private $privateKey;
|
|
|
|
// Creates a new signer from a .p12 file.
|
|
function __construct($p12, $password) {
|
|
if (!function_exists('openssl_x509_read')) {
|
|
throw new Exception(
|
|
'The Google PHP API library needs the openssl PHP extension');
|
|
}
|
|
|
|
// This throws on error
|
|
$certs = array();
|
|
if (!openssl_pkcs12_read($p12, $certs, $password)) {
|
|
throw new Google_AuthException("Unable to parse the p12 file. " .
|
|
"Is this a .p12 file? Is the password correct? OpenSSL error: " .
|
|
openssl_error_string());
|
|
}
|
|
// TODO(beaton): is this part of the contract for the openssl_pkcs12_read
|
|
// method? What happens if there are multiple private keys? Do we care?
|
|
if (!array_key_exists("pkey", $certs) || !$certs["pkey"]) {
|
|
throw new Google_AuthException("No private key found in p12 file.");
|
|
}
|
|
$this->privateKey = openssl_pkey_get_private($certs["pkey"]);
|
|
if (!$this->privateKey) {
|
|
throw new Google_AuthException("Unable to load private key in ");
|
|
}
|
|
}
|
|
|
|
function __destruct() {
|
|
if ($this->privateKey) {
|
|
openssl_pkey_free($this->privateKey);
|
|
}
|
|
}
|
|
|
|
function sign($data) {
|
|
if(version_compare(PHP_VERSION, '5.3.0') < 0) {
|
|
throw new Google_AuthException(
|
|
"PHP 5.3.0 or higher is required to use service accounts.");
|
|
}
|
|
if (!openssl_sign($data, $signature, $this->privateKey, "sha256")) {
|
|
throw new Google_AuthException("Unable to sign data");
|
|
}
|
|
return $signature;
|
|
}
|
|
}
|