public string CanonicalizeHttpRequest(HttpWebRequest 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);
// The next elements are Content*
// If any element is missing it may be empty.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentEncoding]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentLanguage]);
canonicalizedString.AppendCanonicalizedElement(request.ContentLength == -1 ? string.Empty : request.ContentLength.ToString());
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// If x-ms-date header exists, Date should be empty string
string dateValue = CommonUtils.GetSingleValueOrDefault(request.Headers.GetValues(Constants.HeaderConstants.Date));
if (!string.IsNullOrEmpty(dateValue))
{
dateValue = string.Empty;
}
else
{
dateValue = request.Headers[HttpRequestHeader.Date];
}
canonicalizedString.AppendCanonicalizedElement(dateValue);
// Conditionals and range
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.IfModifiedSince]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.IfMatch]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.IfNoneMatch]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.IfUnmodifiedSince]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.Range]);
// Rest of the headers
CanonicalizationHelper.AddCanonicalizedHeaders(request.Headers, canonicalizedString);
// Now we append the canonicalized resource element
canonicalizedString.AppendCanonicalizedElement(CanonicalizationHelper.GetCanonicalizedResourceForSharedKey(request.Address, accountName));
return(canonicalizedString.Value);
}
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);
}