mirror of https://github.com/friendica/friendica
47 lines
1.4 KiB
PHP
47 lines
1.4 KiB
PHP
<?php
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namespace Friendica\Security\OAuth1;
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use Friendica\Security\OAuth1\OAuthRequest;
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use Friendica\Security\OAuth1\OAuthUtil;
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/**
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* The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]
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* where the Signature Base String is the text and the key is the concatenated values (each first
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* encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'
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* character (ASCII code 38) even if empty.
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* - Chapter 9.2 ("HMAC-SHA1")
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*/
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class OAuthSignatureMethod_HMAC_SHA1 extends \Friendica\Security\OAuth1\OAuthSignatureMethod
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{
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function get_name()
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{
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return "HMAC-SHA1";
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}
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/**
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* @param OAuthRequest $request
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* @param \Friendica\Security\OAuth1\OAuthConsumer $consumer
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* @param \Friendica\Security\OAuth1\OAuthToken $token
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*
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* @return string
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*/
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public function build_signature(OAuthRequest $request, \Friendica\Security\OAuth1\OAuthConsumer $consumer, \Friendica\Security\OAuth1\OAuthToken $token = null)
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{
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$base_string = $request->get_signature_base_string();
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$request->base_string = $base_string;
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$key_parts = [
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$consumer->secret,
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($token) ? $token->secret : "",
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];
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$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
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$key = implode('&', $key_parts);
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$r = base64_encode(hash_hmac('sha1', $base_string, $key, true));
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return $r;
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}
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}
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