2012-02-08 19:12:44 +00:00
|
|
|
<?php
|
|
|
|
|
2012-02-08 19:34:48 +00:00
|
|
|
namespace Eher\OAuth;
|
2012-02-08 19:12:44 +00:00
|
|
|
|
|
|
|
/**
|
|
|
|
* The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]
|
|
|
|
* where the Signature Base String is the text and the key is the concatenated values (each first
|
|
|
|
* encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'
|
|
|
|
* character (ASCII code 38) even if empty.
|
|
|
|
* - Chapter 9.2 ("HMAC-SHA1")
|
|
|
|
*/
|
|
|
|
class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
|
|
|
|
function get_name() {
|
|
|
|
return "HMAC-SHA1";
|
|
|
|
}
|
|
|
|
|
|
|
|
public function build_signature($request, $consumer, $token) {
|
|
|
|
$base_string = $request->get_signature_base_string();
|
|
|
|
$request->base_string = $base_string;
|
|
|
|
|
|
|
|
$key_parts = array(
|
|
|
|
$consumer->secret,
|
|
|
|
($token) ? $token->secret : ""
|
|
|
|
);
|
|
|
|
|
|
|
|
$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
|
|
|
|
$key = implode('&', $key_parts);
|
|
|
|
|
|
|
|
return base64_encode(hash_hmac('sha1', $base_string, $key, true));
|
|
|
|
}
|
|
|
|
}
|