|
protected static CanonicalizeRequest ( |
||
| endpoint | The endpoint URL | |
| resourcePath | string | the path of the resource being operated on |
| httpMethod | string | The http method used for the request |
| sortedHeaders | string>.IDictionary | The full request headers, sorted into canonical order |
| canonicalQueryString | string | The query parameters for the request |
| precomputedBodyHash | string | /// The hash of the binary request body if present. If not supplied, the routine /// will look for the hash as a header on the request. /// |
| 리턴 | string | |
protected static string CanonicalizeRequest(Uri endpoint,
string resourcePath,
string httpMethod,
IDictionary<string, string> sortedHeaders,
string canonicalQueryString,
string precomputedBodyHash)
{
var canonicalRequest = new StringBuilder();
canonicalRequest.AppendFormat("{0}\n", httpMethod);
canonicalRequest.AppendFormat("{0}\n", AWSSDKUtils.CanonicalizeResourcePath(endpoint, resourcePath));
canonicalRequest.AppendFormat("{0}\n", canonicalQueryString);
canonicalRequest.AppendFormat("{0}\n", CanonicalizeHeaders(sortedHeaders));
canonicalRequest.AppendFormat("{0}\n", CanonicalizeHeaderNames(sortedHeaders));
if (precomputedBodyHash != null)
{
canonicalRequest.Append(precomputedBodyHash);
}
else
{
string contentHash;
if (sortedHeaders.TryGetValue(HeaderKeys.XAmzContentSha256Header, out contentHash))
canonicalRequest.Append(contentHash);
}
return canonicalRequest.ToString();
}
public static AWS4SigningResult SignRequest(IRequest request, IClientConfig clientConfig, RequestMetrics metrics, string awsAccessKeyId, string awsSecretAccessKey, string service, string overrideSigningRegion)
{
request.Headers.Remove("Authorization");
if (!request.Headers.ContainsKey("host"))
{
string text = request.Endpoint.Host;
if (!request.Endpoint.IsDefaultPort)
{
text = text + ":" + request.Endpoint.Port;
}
request.Headers.Add("host", text);
}
DateTime correctedUtcNow = AWSSDKUtils.CorrectedUtcNow;
string text2 = overrideSigningRegion ?? AWS4Signer.DetermineSigningRegion(clientConfig, service, request.AlternateEndpoint, request);
if (request.Headers.ContainsKey("X-Amz-Content-SHA256"))
{
request.Headers.Remove("X-Amz-Content-SHA256");
}
IDictionary <string, string> sortedHeaders = AWS4Signer.SortHeaders(request.Headers);
string text3 = AWS4Signer.CanonicalizeHeaderNames(sortedHeaders);
IDictionary <string, string> parametersToCanonicalize = AWS4Signer.GetParametersToCanonicalize(request);
parametersToCanonicalize.Add("X-Amz-Algorithm", "AWS4-HMAC-SHA256");
parametersToCanonicalize.Add("X-Amz-Credential", string.Format(CultureInfo.InvariantCulture, "{0}/{1}/{2}/{3}/{4}", awsAccessKeyId, AWS4Signer.FormatDateTime(correctedUtcNow, "yyyyMMdd"), text2, service, "aws4_request"));
parametersToCanonicalize.Add("X-Amz-Date", AWS4Signer.FormatDateTime(correctedUtcNow, "yyyyMMddTHHmmssZ"));
parametersToCanonicalize.Add("X-Amz-SignedHeaders", text3);
string canonicalQueryString = AWS4Signer.CanonicalizeQueryParameters(parametersToCanonicalize);
string text4 = AWS4Signer.CanonicalizeRequest(request.Endpoint, request.ResourcePath, request.HttpMethod, sortedHeaders, canonicalQueryString, (service == "s3") ? "UNSIGNED-PAYLOAD" : "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
metrics?.AddProperty(Metric.CanonicalRequest, text4);
return(AWS4Signer.ComputeSignature(awsAccessKeyId, awsSecretAccessKey, text2, correctedUtcNow, service, text3, text4, metrics));
}
