internal static Uri CreateRequestUri(
Uri baseUri,
bool usePathStyleUris,
string accountName,
string containerName,
string blobName,
TimeSpan Timeout,
NameValueCollection queryParameters,
out ResourceUriComponents uriComponents
)
{
uriComponents =
new ResourceUriComponents(accountName, containerName, blobName);
Uri uri = HttpRequestAccessor.ConstructResourceUri(baseUri, uriComponents, usePathStyleUris);
if (queryParameters != null)
{
UriBuilder builder = new UriBuilder(uri);
if (queryParameters.Get(QueryParams.QueryParamTimeout) == null)
{
queryParameters.Add(QueryParams.QueryParamTimeout,
Timeout.TotalSeconds.ToString(CultureInfo.InvariantCulture));
}
StringBuilder sb = new StringBuilder();
bool firstParam = true;
foreach (string queryKey in queryParameters.AllKeys)
{
if (!firstParam)
{
sb.Append("&");
}
sb.Append(HttpUtility.UrlEncode(queryKey));
sb.Append('=');
sb.Append(HttpUtility.UrlEncode(queryParameters[queryKey]));
firstParam = false;
}
if (sb.Length > 0)
{
builder.Query = sb.ToString();
}
return(builder.Uri);
}
else
{
return(uri);
}
}
internal static string CanonicalizeHttpRequest(
Uri address,
ResourceUriComponents uriComponents,
string method,
string contentType,
string date,
NameValueCollection headers)
{
// The first element should be the Method of the request.
// I.e. GET, POST, PUT, or HEAD.
CanonicalizedString canonicalizedString = new CanonicalizedString(method);
// The second element should be the MD5 value.
// This is optional and may be empty.
string httpContentMD5Value = string.Empty;
// First extract all the content MD5 values from the header.
ArrayList httpContentMD5Values = HttpRequestAccessor.GetHeaderValues(headers, HeaderNames.ContentMD5);
// If we only have one, then set it to the value we want to append to the canonicalized string.
if (httpContentMD5Values.Count == 1)
{
httpContentMD5Value = (string)httpContentMD5Values[0];
}
canonicalizedString.AppendCanonicalizedElement(httpContentMD5Value);
// The third element should be the content type.
canonicalizedString.AppendCanonicalizedElement(contentType);
// The fourth element should be the request date.
// See if there's an storage date header.
// If there's one, then don't use the date header.
ArrayList httpStorageDateValues = HttpRequestAccessor.GetHeaderValues(headers, HeaderNames.StorageDateTime);
if (httpStorageDateValues.Count > 0)
{
date = null;
}
canonicalizedString.AppendCanonicalizedElement(date);
// Look for header names that start with StorageHttpConstants.HeaderNames.PrefixForStorageHeader
// Then sort them in case-insensitive manner.
ArrayList httpStorageHeaderNameArray = new ArrayList();
foreach (string key in headers.Keys)
{
if (key.ToLowerInvariant().StartsWith(HeaderNames.PrefixForStorageHeader, StringComparison.Ordinal))
{
httpStorageHeaderNameArray.Add(key.ToLowerInvariant());
}
}
httpStorageHeaderNameArray.Sort();
// Now go through each header's values in the sorted order and append them to the canonicalized string.
foreach (string key in httpStorageHeaderNameArray)
{
StringBuilder canonicalizedElement = new StringBuilder(key);
string delimiter = ":";
ArrayList values = HttpRequestAccessor.GetHeaderValues(headers, key);
// Go through values, unfold them, and then append them to the canonicalized element string.
foreach (string value in values)
{
// Unfolding is simply removal of CRLF.
string unfoldedValue = value.Replace(ConstChars.CarriageReturnLinefeed, string.Empty);
// Append it to the canonicalized element string.
canonicalizedElement.Append(delimiter);
canonicalizedElement.Append(unfoldedValue);
delimiter = ",";
}
// Now, add this canonicalized element to the canonicalized header string.
canonicalizedString.AppendCanonicalizedElement(canonicalizedElement.ToString());
}
// Now we append the canonicalized resource element.
string canonicalizedResource = GetCanonicalizedResource(address, uriComponents);
canonicalizedString.AppendCanonicalizedElement(canonicalizedResource);
return(canonicalizedString.Value);
}
