$signature = rawurlencode(base64_encode($signature)) Base64 encode the signature and make it URL safe $signature = hash_hmac('sha256', $string_to_sign, AWS_SECRET_ACCESS_KEY, TRUE) str_replace('%7E', '~', rawurlencode($params)) 'Action' => "GetLowestOfferListingsForSKU",
So here is my script: define ("AWS_ACCESS_KEY_ID", "xxxxx") ĭefine ("AWS_SECRET_ACCESS_KEY","xxxxx") Consult the service documentation for details."
Check your AWS Secret Access Key and signing method. "The request signature we calculated does not match the signature you provided. &MarketplaceId.Id.1=APJ6JRA9NG5V4 HTTP/1.1 The HTTP POST is POST /Orders/?AWSAccessKeyId=$CHIAVE_ACCESSO I'm trying to get the list of orders through the MWS Scratchpad.I'm trying to make a signed request for Seller Amazon Web Services (MWS).Ĭonverting amazon MWS scratchpad queries to API calls X-amazon-user-agent: AmazonJavascriptScratchpad/1.0 (Language=Javascript)Īnd the string to Sign (in the second box) is POSTĪWSAccessKeyId=$CHIAVE_ACCESSO&Action=ListOrders&CreatedAfter=T23%3A00%3A00Z&MarketplaceId.Id.1=APJ6JRA9NG5V4&SellerId=$SELLER_ID&Signat ureMethod=HmacSHA256&SignatureVersion=2&Timestamp=T18%3A58%3A52Z&Version= The results that shows the scratchpad are right. $CHIAVE_ACCESSO&Action=ListOrders&MarketplaceId=APJ6JRA9NG5V4&SellerId=$SELLER_ID&SignatureMethod=HmacSHA256&SignatureVersion=2&Timestamp=T19%3A13%3A01.000Z&Version=&Signature=Q9Xnr9JhtkzeLUAsCFKPln8SS34FkCQRmELE2WiIhPo%3D&CreatedAfter=T23%3A00%3A00Z What I would like to do is to make the request via PHP and elaborate the result.īut If I fist try to put the request on my browser like $signature = urlencode(base64_encode($signature)) $signature = hash_hmac("sha256", $sign, $CHIAVE_SEGRETA, true) The Method I used to create the signature was find on stackoverflow and is the following: $sign = 'GET'. the Amazon MWS Amazon MWS Scratchpad is an application that enables you to easily submit query requests using any Amazon MWS API section These Jul 17. Amazon MWS Scratchpad provides input fields that enable you to select the Amazon MWS API section, the operation, your authentication credentials, and the required and optional request parameters.
AMAZON MWS SCRATCHPAD CODE
Here is some sample code that should give you a good place to start.
AMAZON MWS SCRATCHPAD FREE
You can also enter User-Agent header information if you choose to, but you are free to use the defaults. $this->parameters = Constant::get('MarketplaceId.Id.1') $this->parameters = Constant::get('AWSAccessKeyId') $this->secretKey = Constant::get('SECRET_KEY') You'll just need to modify it slightly to fit your system. $this->parameters = Constant::get('SignatureVersion') $this->parameters = Constant::get('SignatureMethod') $this->parameters = Constant::get('SellerId') Hi, I started using Amazon Mws Scratchpad to do some tests, but I soon have found a problem because, although I insert few correct keys, I always have as result: Response (401) Access denied.
$this->parameters = $this->getTimestamp() Check your AWS Secret Access Key and signing method.
Consult the service documentation for details.+ But the signature I send is correct. I know because I have used Amazon MWS Scratchpad (this works perfectly) and when I use the timestamp from this in my program I get the same signature. this part should change and depend on the method/parameter. = $this->getParameterString($parameters) Protected function calculateStringToSign(array $parameters) $this->calculateSignature($this->calculateStringToSign($this->parameters)) = $this->getParameterString($this->parameters). * Gets the query parameters as a String sorted in natural-byte order. Protected function getParameterString(array $parameters) The roles in the Selling Partner API are more fine grained than the roles in Amazon MWS. Whereas Amazon MWS had three roles, the Selling Partner API has 11. See Roles in the Selling Partner API for a detailed explanation of roles in the Selling Partner API, as well as a list of roles and their definitions. * Computes RFC 2104-compliant HMAC signature.
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