Viewing file:  SigningFetcherFactory.php (2.93 KB) -rwxrwxr-x
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<?php
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/**
* Produces Signing content fetchers for input tokens.
*/
class SigningFetcherFactory {
private $keyName;
private $privateKey;
/**
* Produces a signing fetcher that will sign requests and delegate actual
* network retrieval to the {@code networkFetcher}
*
* @param RemoteContentFetcher $networkFetcher The fetcher that will be doing actual work.
* @return SigningFetcher
* @throws GadgetException
*/
public function getSigningFetcher(RemoteContentFetcher $networkFetcher) {
return SigningFetcher::makeFromB64PrivateKey($networkFetcher, $this->keyName, $this->privateKey);
}
/**
* @param keyFile The file containing your private key for signing requests.
*/
public function __construct($keyFile = null) {
$this->keyName = 'http://' . $_SERVER["HTTP_HOST"] . Config::get('web_prefix') . '/public.cer';
if (! empty($keyFile)) {
$rsa_private_key = false;
$privateKey = null;
try {
if (File::exists($keyFile)) {
if (File::readable($keyFile)) {
$rsa_private_key = @file_get_contents($keyFile);
} else {
throw new Exception("Could not read keyfile ($keyFile), check the file name and permission");
}
}
if (! $rsa_private_key) {
$rsa_private_key = '';
} else {
$phrase = Config::get('private_key_phrase') != '' ? (Config::get('private_key_phrase')) : null;
if (strpos($rsa_private_key, "-----BEGIN") === false) {
$privateKey .= "-----BEGIN PRIVATE KEY-----\n";
$chunks = str_split($rsa_private_key, 64);
foreach ($chunks as $chunk) {
$privateKey .= $chunk . "\n";
}
$privateKey .= "-----END PRIVATE KEY-----";
} else {
$privateKey = $rsa_private_key;
}
if (! $rsa_private_key = @openssl_pkey_get_private($privateKey, $phrase)) {
throw new Exception("Could not create the key");
}
}
} catch (Exception $e) {
throw new Exception("Error loading private key: " . $e);
}
$this->privateKey = $rsa_private_key;
}
}
}
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