34 lines
994 B
PHP
34 lines
994 B
PHP
<?php
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namespace GaryJones\OAuth;
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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 HmacSha1 extends SignatureMethod
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{
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public function getName()
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{
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return "HMAC-SHA1";
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}
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public function buildSignature($request, $consumer, $token)
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{
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$base_string = $request->getSignatureBaseString();
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$request->base_string = $base_string;
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$key_parts = array(
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$consumer->secret,
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($token) ? $token->secret : ""
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);
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$key_parts = Util::urlencodeRfc3986($key_parts);
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$key = implode('&', $key_parts);
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return base64_encode(hash_hmac('sha1', $base_string, $key, true));
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}
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}
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