Google Auth 1.0 未经授权访问 Gmail

我为我的域创建了谷歌应用程序，它也有一些电子邮件地址，所以我要访问那里的收件箱电子邮件计数 uisng 身份验证令牌和消费者机密。

问题是我成功地获得了oauth_token_secret和oauth_token和oauth_callback_confirmed

oauth_token={OAUTH_TOKEN}&oauth_token_secret={OAUTH_TOKEN_SECRET}&oauth_callback_confirmed=true

但是当我尝试使用上述令牌访问Gmail时，它给出了一个错误

Warning: file_get_contents(https://mail.google.com/mail/feed/atom/?oauth_token={OAUTH_TOKEN}&oauth_token_secret={OAUTH_TOKEN_SECRET}&oauth_callback_confirmed=true&max-results=100)
[function.file-get-contents]: failed to open stream: HTTP request failed!
HTTP/1.0 401 Unauthorized in /hermes/bosoraweb022/b1554/ipg.webxtreamsnet/freelancer/auth2.php on line 85

这是我的代码

<?php
$consumer = 'www.artbymargaret.co.uk';
$secret = '{CLIENT_SECRET}';
$callback = '';
$sign_method = 'HMAC-SHA1';
$version = '1.0';
$scope = 'https://mail.google.com/mail/feed/atom';
function urlencodeRFC3986($string)
{
   return str_replace('%7E', '~', rawurlencode($string));
}

$mt = microtime();
$rand = mt_rand();
$nonce = md5($mt.$rand);
$time = time();
$url = 'https://www.google.com/accounts/OAuthGetRequestToken';
$path = '/accounts/OAuthGetRequestToken';
$post = array(
    'oauth_callback' => urlencodeRFC3986($callback),
    'oauth_consumer_key' => $consumer,
    'oauth_nonce' => $nonce,
    'oauth_signature_method' => $sign_method,
    'oauth_timestamp' => $time,
    'oauth_version' => $version,
    'scope' => urlencodeRFC3986($scope)
);
$post_string = '';
foreach($post as $key => $value)
{
    $post_string .= $key.'='.($value).'&';
}
$post_string = rtrim($post_string, '&');
$key_parts = array($secret);
$key_parts = urlencodeRFC3986($secret);
//$key = implode('&', $key_parts);
$key = $key_parts.'&';
$base_string = 'GET&'.urlencodeRFC3986($url).'&'.urlencodeRFC3986($post_string);
$signature = base64_encode(hash_hmac('sha1', $base_string, $key, true));

$post = array(
    'oauth_version' => $version,
    'oauth_nonce' => $nonce,
    'oauth_timestamp' => $time,
    'oauth_consumer_key' => $consumer,
    'oauth_callback' => $callback,
    'oauth_signature_method' => $sign_method,
    'oauth_signature' => $signature
);        
$header_string = '';
foreach($post as $key => $value)
{
    $header_string .= $key.'="'.urlencodeRFC3986($value).'", ';
}
$header_string = trim($header_string);
$header_string = rtrim($header_string, ',');
$header[] = 'GET '.$path.'?scope='.urlencodeRFC3986($scope).' HTTP/1.1';
$header[] = 'Host: www.google.com';
$header[] = 'Accept: */*';
//$header[] = 'Content-Type: application/x-www-form-urlencoded';
$header[] = 'Authorization: OAuth '.$header_string;

$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_URL, $url.'?scope='.$scope);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$result = curl_exec($ch);
curl_close($ch);
echo $result;
 $xmlresponse= file_get_contents("https://mail.google.com/mail/feed/atom/?".$result."&mail=jane@funtastic.uk.com&max-results=100");
    print_r($out);
//die();

任何人都知道硬件使用带有PHP的AUTH 1x版本访问Gmail收件箱提要，或者我的客户端是否有任何错误