public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// Start with x-ms-date or Date
string dateValue = HttpResponseMessageUtils.GetHeaderSingleValueOrDefault(request.Headers, Constants.HeaderConstants.Date);
if (string.IsNullOrEmpty(dateValue))
{
dateValue = CommonUtils.GetDateTimeValueOrDefault(request.Headers.Date);
}
CanonicalizedString canonicalizedString = new CanonicalizedString(dateValue);
// And we only need the canonicalized resource in addition to date
canonicalizedString.AppendCanonicalizedElement(CanonicalizationHelper.GetCanonicalizedResourceForSharedKeyLite(request.RequestUri, accountName));
return(canonicalizedString.Value);
}
private static void PopulateRequestResult(RequestResult reqResult, HttpResponseMessage response)
{
reqResult.HttpStatusMessage = response.ReasonPhrase;
reqResult.HttpStatusCode = (int)response.StatusCode;
#if !WINDOWS_RT
if (response.Headers != null)
{
reqResult.ServiceRequestID = HttpResponseMessageUtils.GetHeaderSingleValueOrDefault(response.Headers, Constants.HeaderConstants.RequestIdHeader);
reqResult.RequestDate = response.Headers.Date.HasValue ? response.Headers.Date.Value.UtcDateTime.ToString("R", CultureInfo.InvariantCulture) : null;
reqResult.Etag = response.Headers.ETag?.ToString();
reqResult.ErrorCode = HttpResponseMessageUtils.GetHeaderSingleValueOrDefault(response.Headers, Constants.HeaderConstants.StorageErrorCodeHeader);
}
if (response.Content != null && response.Content.Headers != null)
{
reqResult.ContentMd5 = response.Content.Headers.ContentMD5 != null?Convert.ToBase64String(response.Content.Headers.ContentMD5) : null;
reqResult.IngressBytes += response.Content.Headers.ContentLength.HasValue ? (long)response.Content.Headers.ContentLength : 0;
}
#endif
}
public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// The first element should be the Method of the request.
// I.e. GET, POST, PUT, or HEAD.
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method.Method);
// The next elements are Content*
// If any element is missing it may be empty.
if (request.Content != null)
{
canonicalizedString.AppendCanonicalizedElement(HttpUtility.CombineHttpHeaderValues(request.Content.Headers.ContentEncoding));
canonicalizedString.AppendCanonicalizedElement(HttpUtility.CombineHttpHeaderValues(request.Content.Headers.ContentLanguage));
long contentLength = request.Content.Headers.ContentLength.HasValue ? request.Content.Headers.ContentLength.Value : -1;
canonicalizedString.AppendCanonicalizedElement(contentLength == -1 ? string.Empty : contentLength.ToString());
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentMD5 == null) ? string.Empty :
Convert.ToBase64String(request.Content.Headers.ContentMD5));
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentType == null) ? string.Empty :
request.Content.Headers.ContentType.ToString());
}
else
{
canonicalizedString.AppendCanonicalizedElement(string.Empty);
canonicalizedString.AppendCanonicalizedElement(string.Empty);
if ((request.Method == HttpMethod.Put) ||
(request.Method == HttpMethod.Delete))
{
canonicalizedString.AppendCanonicalizedElement("0");
}
else
{
canonicalizedString.AppendCanonicalizedElement(string.Empty);
}
canonicalizedString.AppendCanonicalizedElement(string.Empty);
canonicalizedString.AppendCanonicalizedElement(string.Empty);
}
// If x-ms-date header exists, Date should be empty string
string dateValue = HttpResponseMessageUtils.GetHeaderSingleValueOrDefault(request.Headers, Constants.HeaderConstants.Date);
if (!string.IsNullOrEmpty(dateValue))
{
dateValue = string.Empty;
}
else
{
dateValue = CommonUtils.GetDateTimeValueOrDefault(request.Headers.Date);
}
canonicalizedString.AppendCanonicalizedElement(dateValue);
// Conditionals and range
canonicalizedString.AppendCanonicalizedElement(CommonUtils.GetDateTimeValueOrDefault(request.Headers.IfModifiedSince));
canonicalizedString.AppendCanonicalizedElement(CommonUtils.GetSingleValueOrDefault(request.Headers.IfMatch));
canonicalizedString.AppendCanonicalizedElement(CommonUtils.GetSingleValueOrDefault(request.Headers.IfNoneMatch));
canonicalizedString.AppendCanonicalizedElement(CommonUtils.GetDateTimeValueOrDefault(request.Headers.IfUnmodifiedSince));
canonicalizedString.AppendCanonicalizedElement((request.Headers.Range == null) ? string.Empty :
CommonUtils.GetSingleValueOrDefault(request.Headers.Range.Ranges));
// Rest of the headers
CanonicalizationHelper.AddCanonicalizedHeaders(request, canonicalizedString);
// Now we append the canonicalized resource element
canonicalizedString.AppendCanonicalizedElement(CanonicalizationHelper.GetCanonicalizedResourceForSharedKey(request.RequestUri, accountName));
return(canonicalizedString.Value);
}
