<?php

[0] Fix | Delete

[1] Fix | Delete

namespace Eher\OAuth;

[2] Fix | Delete

[3] Fix | Delete

/**

[4] Fix | Delete

* The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]

[5] Fix | Delete

* where the Signature Base String is the text and the key is the concatenated values (each first

[6] Fix | Delete

* encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'

[7] Fix | Delete

* character (ASCII code 38) even if empty.

[8] Fix | Delete

* - Chapter 9.2 ("HMAC-SHA1")

[9] Fix | Delete

*/

[10] Fix | Delete

class HmacSha1 extends SignatureMethod {

[11] Fix | Delete

function get_name() {

[12] Fix | Delete

return "HMAC-SHA1";

[13] Fix | Delete

}

[14] Fix | Delete

[15] Fix | Delete

public function build_signature($request, $consumer, $token) {

[16] Fix | Delete

$base_string = $request->get_signature_base_string();

[17] Fix | Delete

$request->base_string = $base_string;

[18] Fix | Delete

[19] Fix | Delete

$key_parts = array(

[20] Fix | Delete

$consumer->secret,

[21] Fix | Delete

($token) ? $token->secret : ""

[22] Fix | Delete

);

[23] Fix | Delete

[24] Fix | Delete

$key_parts = Util::urlencode_rfc3986($key_parts);

[25] Fix | Delete

$key = implode('&', $key_parts);

[26] Fix | Delete

[27] Fix | Delete

return base64_encode(hash_hmac('sha1', $base_string, $key, true));

[28] Fix | Delete

}

[29] Fix | Delete

}

[30] Fix | Delete

[31] Fix | Delete