45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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namespace GaryJones\OAuth;
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/**
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* A class for implementing a Signature Method
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* See section 9 ("Signing Requests") in the spec
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*/
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abstract class SignatureMethod
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{
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/**
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* Needs to return the name of the Signature Method (ie HMAC-SHA1)
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* @return string
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*/
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abstract public function getName();
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/**
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* Build up the signature.
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*
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* NOTE: The output of this function MUST NOT be urlencoded.
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* the encoding is handled in OAuthRequest when the final
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* request is serialized.
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*
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* @param GaryJones\OAuth\OAuthRequest $request
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* @param GaryJones\OAuth\Client $client
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* @param GaryJones\OAuth\Token $token
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* @return string
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*/
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abstract public function buildSignature($request, $client, $token);
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/**
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* Verifies that a given signature is correct.
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*
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* @param GaryJones\OAuth\OAuthRequest $request
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* @param GaryJones\OAuth\Consumer $client
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* @param GaryJones\OAuth\Token $token
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* @param string $signature
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* @return bool
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*/
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public function checkSignature($request, $client, $token, $signature)
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{
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$built = $this->buildSignature($request, $client, $token);
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return $built == $signature;
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}
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}
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