PHP OAuth签名不匹配


PHP OAuth Signature Mismatch

我正在尝试学习和玩PHP对OAuth的实现,如这里所定义的。我并没有使用某种库,只是纯粹的OAuth实现,因为我正在努力学习它。然而,尽管我正在努力制作它,但我似乎无法获得匹配的签名。

在消费者方面,我有:

<?php
$consumer_key = '1234';
$consumer_secret = '1234';
$url = 'http://localhost/oauth/provider/request';
try {
    $oauth = new OAuth($consumer_key, $consumer_secret);
    $signature = $oauth->generateSignature('POST', $url);
    $request_token = $oauth->getRequestToken($url);
    var_dump($signature);
    print_r($request_token);
} catch (OAuthException $E) {
    var_dump($E);
}

在提供商方面,我有:

<?php
function call(){
    return OAUTH_OK;
}
$OAuthProvider = NULL;
try{
    $OAuthProvider = new OAuthProvider();
    $OAuthProvider->consumerHandler('call');
    $OAuthProvider->timestampNonceHandler('call');
    $OAuthProvider->tokenHandler('call');
    $OAuthProvider->isRequestTokenEndpoint(true);
    $OAuthProvider->checkOAuthRequest();
}
catch(Exception $ex){
    echo $OAuthProvider->signature;
}

很简单吧?然后,我从捕获的异常中得到的错误消息是"Signatures_do_not_match"。我已经检查过了,事实上,签名不匹配。以下是输出示例:

Consumer: 8cePFQFqJbL3hY6OjZe6kw63irc=
Provider: 2SPGA0GcC7GLLR1Jte53xz_bWOY

有什么想法吗?

真傻,我没有正确阅读回调函数的规范。有效的实现是:

消费者:

<?php
$consumer_key = '1234';
$consumer_secret = '1234';
$url = 'http://localhost/oauth/provider/request';
try {
    $oauth = new OAuth($consumer_key, $consumer_secret);
    $signature = $oauth->generateSignature('POST', $url);
    $request_token = $oauth->getRequestToken($url);
} catch (Exception $ex) {
    var_dump($ex);
}

供应商:

<?php
$OAuthProvider = NULL;
function consumerHandler(){
    return OAUTH_OK;
}
function timestampNonceHandler(){
    global $OAuthProvider;
    /**
     * Here is supposed to be a function to check if 
     * the consumer secret is legit, and is then used to check if the signatures match.
     */
    $OAuthProvider->consumer_secret = '1234';
    return OAUTH_OK;
}
try{
    $OAuthProvider = new OAuthProvider();
    $OAuthProvider->consumerHandler('consumerHandler');
    $OAuthProvider->timestampNonceHandler('timestampNonceHandler');
    $OAuthProvider->isRequestTokenEndpoint(true);
    $OAuthProvider->checkOAuthRequest();
}
catch(Exception $ex){
    var_dump($ex);
}

希望这能帮助像我一样想了解OAuth的人。