我正在尝试让亚马逊 MWS Scratchpad 正常工作,但它一直给我一条消息:
The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details.
我一直在寻找类似的主题,但没有什么真正有用的。所以,这是代码:
$params = array(
'AWSAccessKeyId' => AWS_ACCESS_KEY_ID,
'Action' => "GetLowestOfferListingsForASIN",
'SellerId' => MERCHANT_ID,
'SignatureMethod' => "HmacSHA256",
'SignatureVersion' => "2",
'Timestamp' => gmdate("Y-m-d\TH:i:s\Z", time()),
'Version' => "2011-10-01",
'MarketplaceId' => MARKETPLACE_ID,
'ItemCondition' => "new",
'ASINList.ASIN.1' => "B001T6OP32");
$url = array();
foreach($params as $key => $val){
$val = str_replace('%7E', '~', rawurlencode($val));
$url[] = $key . '=' . $val;
}
$uri = implode('&', $url);
$string_to_sign = 'POST';
$string_to_sign .= "\n";
$string_to_sign .= 'mws.amazonservices.co.uk' . "\n";
$string_to_sign .= '/Products/2011-10-01' . "\n";
$string_to_sign .= $uri;
$signature = hash_hmac("sha256", $string_to_sign, AWS_SECRET_ACCESS_KEY, TRUE);
$signature = base64_encode($signature);
$signature = urlencode($signature);
$signature = str_replace("%7E", "~", $signature);
$url = 'https://mws.amazonservices.co.uk/';
$url .= 'Products/2011-10-01' . '?' . $uri . "&Signature=" . $signature;
我打赌这个问题出在签名上,当我用 print $signature
打印它时,它总是包含 %
符号,当我与 Amazon Scratchpad 请求进行比较时详细信息页面,SHA 256 HMAC
字段 - 没有。
请问有什么我看不到的东西吗?我正在检查 Secret Access Key 中的空格,看起来没问题。
非常感谢。
最佳答案
工作版本:
$param = array();
$param['AWSAccessKeyId'] = AWS_ACCESS_KEY_ID;
$param['Action'] = 'GetLowestOfferListingsForASIN';
$param['SellerId'] = MERCHANT_ID;
$param['SignatureMethod'] = 'HmacSHA256';
$param['SignatureVersion'] = '2';
$param['Timestamp'] = gmdate("Y-m-d\TH:i:s.\\0\\0\\0\\Z", time());
$param['Version'] = '2011-10-01';
$param['MarketplaceId'] = MARKETPLACE_ID;
$param['ItemCondition'] = 'new';
$param['ASINList.ASIN.1'] = << ITEM ASIN >>;
$url = array();
foreach ($param as $key => $val) {
$key = str_replace("%7E", "~", rawurlencode($key));
$val = str_replace("%7E", "~", rawurlencode($val));
$url[] = "{$key}={$val}";
}
sort($url);
$arr = implode('&', $url);
$sign = 'GET' . "\n";
$sign .= 'mws.amazonservices.co.uk' . "\n";
$sign .= '/Products/2011-10-01' . "\n";
$sign .= $arr;
$signature = hash_hmac("sha256", $sign, AWS_SECRET_ACCESS_KEY, true);
$signature = urlencode(base64_encode($signature));
$link = "https://mws.amazonservices.co.uk/Products/2011-10-01?";
$link .= $arr . "&Signature=" . $signature;
使用 curl 和 vualia 加载 $link
!
关于php - 亚马逊 MWS Scratchpad API,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/18968714/