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<?php
class EduSharingHelperBase {
public $baseUrl;
public $privateKey;
public $appId;
public $language = 'de';
public $http_proxy = '';
/**
* @param string $baseUrl
* The base url to your repository in the format "http://<host>/edu-sharing"
* @param string $privateKey
* Your app's private key. This must match the public key registered in the repo
* @param string $appId
* Your app id name (as registered in the edu-sharing repository)
*/
public function __construct(
string $baseUrl,
string $privateKey,
string $appId,
string $http_proxy = ''
) {
if(!preg_match('/^([a-z]|[A-Z]|[0-9]|[-_])+$/', $appId)) {
throw new Exception('The given app id contains invalid characters or symbols');
}
$this->baseUrl=$baseUrl;
$this->privateKey=$privateKey;
$this->appId=$appId;
$this->http_proxy = $http_proxy;
}
public function setLanguage(string $language) {
$this->language = $language;
}
function sign(string $toSign) {
$pkeyid = openssl_get_privatekey($this->privateKey);
openssl_sign($toSign, $signature, $pkeyid);
$signature = base64_encode($signature);
openssl_free_key($pkeyid);
return $signature;
}
}
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