public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
if (request.Content != null)
{
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentMD5 == null) ? null :
Convert.ToBase64String(request.Content.Headers.ContentMD5));
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentType == null) ? null :
request.Content.Headers.ContentType.ToString());
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
}
// Add the Date HTTP header (or the x-ms-date header if it is being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request, true);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/Azure/dd179428.aspx">Authentication for the Microsoft Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
CommonUtility.AssertNotNull("request", request);
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
if (request.Content != null)
{
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentMD5 == null) ? null :
Convert.ToBase64String(request.Content.Headers.ContentMD5));
//canonicalizedString.AppendCanonicalizedElement(HttpRequestParsers.GetContentCRC64(request)); // should be covered by custom headers
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentType == null) ? null :
request.Content.Headers.ContentType.ToString());
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
}
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
CommonUtility.AssertNotNull("request", request);
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method);
// Add the Content-* HTTP headers. Empty values are allowed.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentEncoding]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentLanguage]);
AuthenticationUtility.AppendCanonicalizedContentLengthHeader(canonicalizedString, request);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add If-* headers and Range header
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]);
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
if (request.Content != null)
{
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentMD5 == null) ? null :
Convert.ToBase64String(request.Content.Headers.ContentMD5));
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentType == null) ? null :
request.Content.Headers.ContentType.ToString());
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
}
// Add the Date HTTP header (or the x-ms-date header if it is being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request, true);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
static string GetCanonicalizedResourceVersion2(Uri address, string accountName)
{
StringBuilder builder = new StringBuilder("/");
builder.Append(accountName);
builder.Append(address.AbsolutePath);
CanonicalizedString str = new CanonicalizedString(builder.ToString());
NameValueCollection values = HttpUtility.ParseQueryString(address.Query);
NameValueCollection values2 = new NameValueCollection();
foreach (string str2 in values.Keys)
{
ArrayList list = new ArrayList(values.GetValues(str2));
list.Sort();
StringBuilder builder2 = new StringBuilder();
foreach (object obj2 in list)
{
if (builder2.Length > 0)
{
builder2.Append(",");
}
builder2.Append(obj2.ToString());
}
values2.Add((str2 == null) ? str2 : str2.ToLowerInvariant(), builder2.ToString());
}
ArrayList list2 = new ArrayList(values2.AllKeys);
list2.Sort();
foreach (string str3 in list2)
{
StringBuilder builder3 = new StringBuilder(string.Empty);
builder3.Append(str3);
builder3.Append(":");
builder3.Append(values2[str3]);
str.AppendCanonicalizedElement(builder3.ToString());
}
return str.Value;
}
/// <summary>
/// Gets the canonicalized resource string for a Blob or Queue service request under the Shared Key authentication scheme.
/// </summary>
/// <param name="address">The resource URI.</param>
/// <param name="accountName">The name of the storage account.</param>
/// <returns>The canonicalized resource string.</returns>
internal static string GetCanonicalizedResourceForSharedKey(Uri address, string accountName)
{
// Resource path
// Note that AbsolutePath starts with a '/'.
string resourcePath = string.Concat(
"/",
accountName,
address.AbsolutePath);
CanonicalizedString canonicalizedResource = new CanonicalizedString(resourcePath);
// Query parameters
Dictionary <string, string> queryVariables = HttpUtility.ParseQueryString(address.Query);
List <string> queryVariableKeys = new List <string>(queryVariables.Keys);
queryVariableKeys.Sort(StringComparer.OrdinalIgnoreCase);
foreach (string key in queryVariableKeys)
{
string queryParamString = string.Concat(
key.ToLowerInvariant(),
":",
queryVariables[key]);
canonicalizedResource.AppendCanonicalizedElement(queryParamString);
}
return(canonicalizedResource.Value);
}
public static void AppendCanonicalizedCustomHeaders(CanonicalizedString canonicalizedString, HttpWebRequest request)
{
List <string> headerNames = new List <string>(request.Headers.AllKeys.Length);
foreach (string headerName in request.Headers.AllKeys)
{
if (headerName.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
headerNames.Add(headerName.ToLowerInvariant());
}
}
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = StringComparer.Create(sortingCulture, false);
headerNames.Sort(sortingComparer);
StringBuilder canonicalizedElement = new StringBuilder(ExpectedHeaderNameAndValueLength);
foreach (string headerName in headerNames)
{
string value = request.Headers[headerName];
if (!string.IsNullOrEmpty(value))
{
canonicalizedElement.Length = 0;
canonicalizedElement.Append(headerName);
canonicalizedElement.Append(HeaderNameValueSeparator);
canonicalizedElement.Append(value.TrimStart().Replace("\r\n", string.Empty));
canonicalizedString.AppendCanonicalizedElement(canonicalizedElement.ToString());
}
}
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
CommonUtility.AssertNotNull("request", request);
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method);
// Add the Content-* HTTP headers. Empty values are allowed.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentEncoding]);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentLanguage]);
AuthenticationUtility.AppendCanonicalizedContentLengthHeader(canonicalizedString, request);
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add If-* headers and Range header
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]);
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
/// <summary>
/// Gets the canonicalized resource string for a Blob or Queue service request under the Shared Key authentication scheme.
/// </summary>
/// <param name="address">The resource URI.</param>
/// <param name="accountName">The name of the storage account.</param>
/// <returns>The canonicalized resource string.</returns>
internal static string GetCanonicalizedResourceForSharedKey(Uri address, string accountName)
{
// Resource path
// Note that AbsolutePath starts with a '/'.
string resourcePath = string.Concat(
"/",
accountName,
address.AbsolutePath);
CanonicalizedString canonicalizedResource = new CanonicalizedString(resourcePath);
// Query parameters
Dictionary<string, string> queryVariables = HttpUtility.ParseQueryString(address.Query);
List<string> queryVariableKeys = new List<string>(queryVariables.Keys);
queryVariableKeys.Sort(StringComparer.OrdinalIgnoreCase);
foreach (string key in queryVariableKeys)
{
string queryParamString = string.Concat(
key.ToLowerInvariant(),
":",
queryVariables[key]);
canonicalizedResource.AppendCanonicalizedElement(queryParamString);
}
return canonicalizedResource.Value;
}
public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method.Method);
// Add the Content-* HTTP headers. Empty values are allowed.
if (request.Content != null)
{
canonicalizedString.AppendCanonicalizedElement(HttpWebUtility.CombineHttpHeaderValues(request.Content.Headers.ContentEncoding));
canonicalizedString.AppendCanonicalizedElement(HttpWebUtility.CombineHttpHeaderValues(request.Content.Headers.ContentLanguage));
AuthenticationUtility.AppendCanonicalizedContentLengthHeader(canonicalizedString, request);
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentMD5 == null) ? null :
Convert.ToBase64String(request.Content.Headers.ContentMD5));
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentType == null) ? null :
request.Content.Headers.ContentType.ToString());
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
if (request.Method == HttpMethod.Put || request.Method == HttpMethod.Delete)
{
canonicalizedString.AppendCanonicalizedElement("0");
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
}
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add If-* headers and Range header
canonicalizedString.AppendCanonicalizedElement(AuthenticationUtility.GetCanonicalizedHeaderValue(request.Headers.IfModifiedSince));
canonicalizedString.AppendCanonicalizedElement(CommonUtility.GetFirstHeaderValue(request.Headers.IfMatch));
canonicalizedString.AppendCanonicalizedElement(CommonUtility.GetFirstHeaderValue(request.Headers.IfNoneMatch));
canonicalizedString.AppendCanonicalizedElement(AuthenticationUtility.GetCanonicalizedHeaderValue(request.Headers.IfUnmodifiedSince));
canonicalizedString.AppendCanonicalizedElement((request.Headers.Range == null) ? null :
CommonUtility.GetFirstHeaderValue(request.Headers.Range.Ranges));
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
/// <summary>
/// Appends the value of the Content-Length header to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
public static void AppendCanonicalizedContentLengthHeader(CanonicalizedString canonicalizedString, HttpWebRequest request)
{
if (request.ContentLength != -1L)
{
canonicalizedString.AppendCanonicalizedElement(request.ContentLength.ToString(CultureInfo.InvariantCulture));
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
/// <summary>
/// Appends the value of the Content-Length header to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
public static void AppendCanonicalizedContentLengthHeader(CanonicalizedString canonicalizedString, HttpRequestMessage request)
{
long? contentLength = request.Content.Headers.ContentLength;
if (contentLength.HasValue && contentLength.Value != -1L)
{
canonicalizedString.AppendCanonicalizedElement(contentLength.Value.ToString(CultureInfo.InvariantCulture));
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method.Method);
// Add the Content-* HTTP headers. Empty values are allowed.
if (request.Content != null)
{
canonicalizedString.AppendCanonicalizedElement(HttpWebUtility.CombineHttpHeaderValues(request.Content.Headers.ContentEncoding));
canonicalizedString.AppendCanonicalizedElement(HttpWebUtility.CombineHttpHeaderValues(request.Content.Headers.ContentLanguage));
AuthenticationUtility.AppendCanonicalizedContentLengthHeader(canonicalizedString, request);
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentMD5 == null) ? null :
Convert.ToBase64String(request.Content.Headers.ContentMD5));
canonicalizedString.AppendCanonicalizedElement((request.Content.Headers.ContentType == null) ? null :
request.Content.Headers.ContentType.ToString());
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
if (request.Method == HttpMethod.Put || request.Method == HttpMethod.Delete)
{
canonicalizedString.AppendCanonicalizedElement("0");
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
canonicalizedString.AppendCanonicalizedElement(null);
canonicalizedString.AppendCanonicalizedElement(null);
}
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add If-* headers and Range header
canonicalizedString.AppendCanonicalizedElement(AuthenticationUtility.GetCanonicalizedHeaderValue(request.Headers.IfModifiedSince));
canonicalizedString.AppendCanonicalizedElement(CommonUtility.GetFirstHeaderValue(request.Headers.IfMatch));
canonicalizedString.AppendCanonicalizedElement(CommonUtility.GetFirstHeaderValue(request.Headers.IfNoneMatch));
canonicalizedString.AppendCanonicalizedElement(AuthenticationUtility.GetCanonicalizedHeaderValue(request.Headers.IfUnmodifiedSince));
canonicalizedString.AppendCanonicalizedElement((request.Headers.Range == null) ? null :
CommonUtility.GetFirstHeaderValue(request.Headers.Range.Ranges));
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
// Add the x-ms-date or Date HTTP header
string dateHeaderValue = AuthenticationUtility.GetPreferredDateHeaderValue(request);
CanonicalizedString canonicalizedString = new CanonicalizedString(dateHeaderValue, ExpectedCanonicalizedStringLength);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.Address, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
public string CanonicalizeHttpRequest(HttpRequestMessage request, string accountName)
{
// Add the Date HTTP header (or the x-ms-date header if it is being used)
string dateHeaderValue = AuthenticationUtility.GetPreferredDateHeaderValue(request);
CanonicalizedString canonicalizedString = new CanonicalizedString(dateHeaderValue, ExpectedCanonicalizedStringLength);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
/// <summary>
/// Appends the value of the Content-Length header to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
public static void AppendCanonicalizedContentLengthHeader(CanonicalizedString canonicalizedString, HttpRequestMessage request)
{
long?contentLength = request.Content.Headers.ContentLength;
if (contentLength.HasValue && contentLength.Value != -1L)
{
canonicalizedString.AppendCanonicalizedElement(contentLength.Value.ToString(CultureInfo.InvariantCulture));
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
private static void AppendCanonicalizedDateHeader(CanonicalizedString canonicalizedString, HttpWebRequest request)
{
string microsoftDateHeaderValue = request.Headers["x-ms-date"];
// Add the Date HTTP header (only if the x-ms-date header is not being used)
if (string.IsNullOrEmpty(microsoftDateHeaderValue))
{
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.Date]);
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
/// <summary>
/// Appends the values of the x-ms-* headers to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the values are appended.</param>
/// <param name="request">The request where the values are read from.</param>
public static void AppendCanonicalizedCustomHeaders(CanonicalizedString canonicalizedString, HttpRequestMessage request)
{
CultureInfo sortingCulture = new CultureInfo("en-US");
#if WINDOWS_DESKTOP
StringComparer sortingComparer = StringComparer.Create(sortingCulture, false);
#else
StringComparer sortingComparer = new CultureStringComparer(sortingCulture, false);
#endif
SortedDictionary <string, IEnumerable <string> > headers = new SortedDictionary <string, IEnumerable <string> >(sortingComparer);
foreach (KeyValuePair <string, IEnumerable <string> > header in request.Headers)
{
string headerName = header.Key;
if (headerName.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
headers.Add(headerName.ToLowerInvariant(), header.Value);
}
}
if (request.Content != null)
{
foreach (KeyValuePair <string, IEnumerable <string> > header in request.Content.Headers)
{
string headerName = header.Key;
if (headerName.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
headers.Add(headerName.ToLowerInvariant(), header.Value);
}
}
}
StringBuilder canonicalizedElement = new StringBuilder(ExpectedHeaderNameAndValueLength);
foreach (KeyValuePair <string, IEnumerable <string> > header in headers)
{
canonicalizedElement.Clear();
canonicalizedElement.Append(header.Key);
canonicalizedElement.Append(HeaderNameValueSeparator);
int keyLength = canonicalizedElement.Length;
foreach (string value in header.Value)
{
canonicalizedElement.Append(value.TrimStart().Replace("\r\n", string.Empty));
canonicalizedElement.Append(HeaderValueDelimiter);
}
canonicalizedString.AppendCanonicalizedElement(canonicalizedElement.ToString(0, canonicalizedElement.Length - 1));
}
}
/// <summary>
/// Add x-ms- prefixed headers in a fixed order.
/// </summary>
/// <param name="headers">The headers.</param>
/// <param name="canonicalizedString">The canonicalized string.</param>
internal static void AddCanonicalizedHeaders(HttpRequestMessage request, CanonicalizedString canonicalizedString)
{
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = new CultureStringComparer(sortingCulture, false);
// Look for header names that start with x-ms-, then sort them in case-insensitive manner.
SortedDictionary <string, IEnumerable <string> > httpStorageHeaders = new SortedDictionary <string, IEnumerable <string> >(sortingComparer);
foreach (KeyValuePair <string, IEnumerable <string> > header in request.Headers)
{
if (header.Key.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
httpStorageHeaders.Add(header.Key.ToLowerInvariant(), header.Value);
}
}
if (request.Content != null)
{
foreach (KeyValuePair <string, IEnumerable <string> > header in request.Content.Headers)
{
if (header.Key.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
httpStorageHeaders.Add(header.Key.ToLowerInvariant(), header.Value);
}
}
}
// Now go through each header's values in the sorted order and append them to the canonicalized string.
foreach (KeyValuePair <string, IEnumerable <string> > header in httpStorageHeaders)
{
StringBuilder canonicalizedElement = new StringBuilder(header.Key);
string delimiter = ":";
// Go through values, unfold them, and then append them to the canonicalized element string.
foreach (string value in header.Value)
{
// Unfolding is simply removal of CRLF.
string unfoldedValue = value.TrimStart().Replace("\r\n", 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());
}
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
CommonUtility.AssertNotNull("request", request);
// Add the x-ms-date or Date HTTP header
string dateHeaderValue = AuthenticationUtility.GetPreferredDateHeaderValue(request);
CanonicalizedString canonicalizedString = new CanonicalizedString(dateHeaderValue, ExpectedCanonicalizedStringLength);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
public static string CanonicalizeHttpRequest(UnityWebRequest request, string accountName)
{
CanonicalizedString canonicalizedString = new CanonicalizedString(request.method, 200);
canonicalizedString.AppendCanonicalizedElement(request.GetRequestHeader("ContentMd5"));
canonicalizedString.AppendCanonicalizedElement(request.GetRequestHeader("Content-Type"));
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request, true);
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(new Uri(request.url), accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
/// <summary>
/// Add x-ms- prefixed headers in a fixed order.
/// </summary>
/// <param name="headers">The headers.</param>
/// <param name="canonicalizedString">The canonicalized string.</param>
internal static void AddCanonicalizedHeaders(HttpRequestMessage request, CanonicalizedString canonicalizedString)
{
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = new CultureStringComparer(sortingCulture, false);
// Look for header names that start with x-ms-, then sort them in case-insensitive manner.
SortedDictionary<string, IEnumerable<string>> httpStorageHeaders = new SortedDictionary<string, IEnumerable<string>>(sortingComparer);
foreach (KeyValuePair<string, IEnumerable<string>> header in request.Headers)
{
if (header.Key.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
httpStorageHeaders.Add(header.Key.ToLowerInvariant(), header.Value);
}
}
if (request.Content != null)
{
foreach (KeyValuePair<string, IEnumerable<string>> header in request.Content.Headers)
{
if (header.Key.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
httpStorageHeaders.Add(header.Key.ToLowerInvariant(), header.Value);
}
}
}
// Now go through each header's values in the sorted order and append them to the canonicalized string.
foreach (KeyValuePair<string, IEnumerable<string>> header in httpStorageHeaders)
{
StringBuilder canonicalizedElement = new StringBuilder(header.Key);
string delimiter = ":";
// Go through values, unfold them, and then append them to the canonicalized element string.
foreach (string value in header.Value)
{
// Unfolding is simply removal of CRLF.
string unfoldedValue = value.TrimStart().Replace("\r\n", 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());
}
}
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
// Start with x-ms-date or Date
string dateValue = request.Headers[Constants.HeaderConstants.Date];
if (string.IsNullOrEmpty(dateValue))
{
dateValue = request.Headers[HttpRequestHeader.Date];
}
CanonicalizedString canonicalizedString = new CanonicalizedString(dateValue);
// And we only need the canonicalized resource in addition to date
canonicalizedString.AppendCanonicalizedElement(CanonicalizationHelper.GetCanonicalizedResourceForSharedKeyLite(request.Address, accountName));
return canonicalizedString.Value;
}
/// <summary>
/// Appends the value of the Date header (or, optionally, the x-ms-date header) to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
/// <param name="allowMicrosoftDateHeader">true if the value of the x-ms-date header can be used and is preferred; otherwise, false.</param>
public static void AppendCanonicalizedDateHeader(CanonicalizedString canonicalizedString, HttpRequestMessage request, bool allowMicrosoftDateHeader = false)
{
string microsoftDateHeaderValue = HttpResponseMessageUtils.GetHeaderSingleValueOrDefault(request.Headers, Constants.HeaderConstants.Date);
if (string.IsNullOrEmpty(microsoftDateHeaderValue))
{
canonicalizedString.AppendCanonicalizedElement(AuthenticationUtility.GetCanonicalizedHeaderValue(request.Headers.Date));
}
else if (allowMicrosoftDateHeader)
{
canonicalizedString.AppendCanonicalizedElement(microsoftDateHeaderValue);
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
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;
}
/// <summary>
/// Add x-ms- prefixed headers in a fixed order.
/// </summary>
/// <param name="headers">The headers.</param>
/// <param name="canonicalizedString">The canonicalized string.</param>
internal static void AddCanonicalizedHeaders(WebHeaderCollection headers, CanonicalizedString canonicalizedString)
{
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = StringComparer.Create(sortingCulture, false);
// Look for header names that start with x-ms-, then sort them in case-insensitive manner.
List <string> httpStorageHeaderNameArray = new List <string>();
foreach (string key in headers.Keys)
{
if (key.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
httpStorageHeaderNameArray.Add(key.ToLowerInvariant());
}
}
httpStorageHeaderNameArray.Sort(sortingComparer);
// 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 = ":";
// Go through values, unfold them, and then append them to the canonicalized element string.
string[] values = headers.GetValues(key);
if (values.Length == 0 || string.IsNullOrEmpty(values[0]))
{
continue;
}
foreach (string value in values)
{
// Unfolding is simply removal of CRLF.
string unfoldedValue = value.TrimStart().Replace("\r\n", 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());
}
}
/// <summary>
/// Appends the value of the Date header (or, optionally, the x-ms-date header) to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
/// <param name="allowMicrosoftDateHeader">true if the value of the x-ms-date header can be used and is preferred; otherwise, false.</param>
public static void AppendCanonicalizedDateHeader(CanonicalizedString canonicalizedString, HttpRequestMessage request, bool allowMicrosoftDateHeader = false)
{
string microsoftDateHeaderValue = HttpResponseMessageUtils.GetHeaderSingleValueOrDefault(request.Headers, Constants.HeaderConstants.Date);
if (string.IsNullOrEmpty(microsoftDateHeaderValue))
{
canonicalizedString.AppendCanonicalizedElement(AuthenticationUtility.GetCanonicalizedHeaderValue(request.Headers.Date));
}
else if (allowMicrosoftDateHeader)
{
canonicalizedString.AppendCanonicalizedElement(microsoftDateHeaderValue);
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
/// <summary>
/// Appends the value of the Date header (or, optionally, the x-ms-date header) to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
/// <param name="allowMicrosoftDateHeader">true if the value of the x-ms-date header can be used and is preferred; otherwise, false.</param>
public static void AppendCanonicalizedDateHeader(CanonicalizedString canonicalizedString, HttpWebRequest request, bool allowMicrosoftDateHeader = false)
{
string microsoftDateHeaderValue = request.Headers[Constants.HeaderConstants.Date];
if (string.IsNullOrEmpty(microsoftDateHeaderValue))
{
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.Date]);
}
else if (allowMicrosoftDateHeader)
{
canonicalizedString.AppendCanonicalizedElement(microsoftDateHeaderValue);
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
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);
}
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
// Start with x-ms-date or Date
string dateValue = request.Headers[Constants.HeaderConstants.Date];
if (string.IsNullOrEmpty(dateValue))
{
dateValue = request.Headers[HttpRequestHeader.Date];
}
CanonicalizedString canonicalizedString = new CanonicalizedString(dateValue);
// And we only need the canonicalized resource in addition to date
canonicalizedString.AppendCanonicalizedElement(CanonicalizationHelper.GetCanonicalizedResourceForSharedKeyLite(request.Address, accountName));
return(canonicalizedString.Value);
}
public static void AppendCanonicalizedDateHeader(CanonicalizedString canonicalizedString, UnityWebRequest request, bool allowMicrosoftDateHeader = false)
{
string microsoftDateHeaderValue = request.GetRequestHeader("x-ms-date");
if (string.IsNullOrEmpty(microsoftDateHeaderValue))
{
canonicalizedString.AppendCanonicalizedElement(request.GetRequestHeader("Date"));
}
else if (allowMicrosoftDateHeader)
{
canonicalizedString.AppendCanonicalizedElement(microsoftDateHeaderValue);
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
/// <summary>
/// Add x-ms- prefixed headers in a fixed order.
/// </summary>
/// <param name="headers">The headers.</param>
/// <param name="canonicalizedString">The canonicalized string.</param>
internal static void AddCanonicalizedHeaders(WebHeaderCollection headers, CanonicalizedString canonicalizedString)
{
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = StringComparer.Create(sortingCulture, false);
// Look for header names that start with x-ms-, then sort them in case-insensitive manner.
List<string> httpStorageHeaderNameArray = new List<string>();
foreach (string key in headers.Keys)
{
if (key.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
httpStorageHeaderNameArray.Add(key.ToLowerInvariant());
}
}
httpStorageHeaderNameArray.Sort(sortingComparer);
// 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 = ":";
// Go through values, unfold them, and then append them to the canonicalized element string.
string[] values = headers.GetValues(key);
if (values.Length == 0 || string.IsNullOrEmpty(values[0]))
{
continue;
}
foreach (string value in values)
{
// Unfolding is simply removal of CRLF.
string unfoldedValue = value.TrimStart().Replace("\r\n", 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());
}
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// Add the Date HTTP header (or the x-ms-date header if it is being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request, true);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.Address, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
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);
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// Add the Date HTTP header (or the x-ms-date header if it is being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request, true);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.Address, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return(canonicalizedString.ToString());
}
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;
}
static string GetCanonicalizedResourceVersion2(Uri address, string accountName)
{
StringBuilder builder = new StringBuilder("/");
builder.Append(accountName);
builder.Append(address.AbsolutePath);
CanonicalizedString str = new CanonicalizedString(builder.ToString());
NameValueCollection values = HttpUtility.ParseQueryString(address.Query);
NameValueCollection values2 = new NameValueCollection();
foreach (string str2 in values.Keys)
{
ArrayList list = new ArrayList(values.GetValues(str2));
list.Sort();
StringBuilder builder2 = new StringBuilder();
foreach (object obj2 in list)
{
if (builder2.Length > 0)
{
builder2.Append(",");
}
builder2.Append(obj2.ToString());
}
values2.Add((str2 == null) ? str2 : str2.ToLowerInvariant(), builder2.ToString());
}
ArrayList list2 = new ArrayList(values2.AllKeys);
list2.Sort();
foreach (string str3 in list2)
{
StringBuilder builder3 = new StringBuilder(string.Empty);
builder3.Append(str3);
builder3.Append(":");
builder3.Append(values2[str3]);
str.AppendCanonicalizedElement(builder3.ToString());
}
return(str.Value);
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Microsoft Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
CommonUtility.AssertNotNull("request", request);
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
/// <summary>
/// Converts the specified HTTP request data into a standard form appropriate for signing.
/// </summary>
/// <param name="request">The HTTP request that needs to be signed.</param>
/// <param name="accountName">The name of the storage account that the HTTP request will access.</param>
/// <returns>The canonicalized string containing the HTTP request data in a standard form appropriate for signing.</returns>
/// <seealso href="http://msdn.microsoft.com/en-us/library/windowsazure/dd179428.aspx">Authentication for the Windows Azure Storage Services</seealso>
public string CanonicalizeHttpRequest(HttpWebRequest request, string accountName)
{
CommonUtility.AssertNotNull("request", request);
// Add the method (GET, POST, PUT, or HEAD).
CanonicalizedString canonicalizedString = new CanonicalizedString(request.Method, ExpectedCanonicalizedStringLength);
// Add the Content-* HTTP headers. Empty values are allowed.
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.ContentMd5]);
canonicalizedString.AppendCanonicalizedElement(request.ContentType);
// Add the Date HTTP header (only if the x-ms-date header is not being used)
AuthenticationUtility.AppendCanonicalizedDateHeader(canonicalizedString, request);
// Add any custom headers
AuthenticationUtility.AppendCanonicalizedCustomHeaders(canonicalizedString, request);
// Add the canonicalized URI element
string resourceString = AuthenticationUtility.GetCanonicalizedResourceString(request.RequestUri, accountName, true);
canonicalizedString.AppendCanonicalizedElement(resourceString);
return canonicalizedString.ToString();
}
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);
}
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, StorageHttpConstants.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, StorageHttpConstants.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(StorageHttpConstants.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(StorageHttpConstants.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;
}
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, StorageHttpConstants.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, StorageHttpConstants.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(StorageHttpConstants.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(StorageHttpConstants.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);
}
/// <summary>
/// Appends the values of the x-ms-* headers to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the values are appended.</param>
/// <param name="request">The request where the values are read from.</param>
public static void AppendCanonicalizedCustomHeaders(CanonicalizedString canonicalizedString, HttpRequestMessage request)
{
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = new CultureStringComparer(sortingCulture, false);
SortedDictionary<string, IEnumerable<string>> headers = new SortedDictionary<string, IEnumerable<string>>(sortingComparer);
foreach (KeyValuePair<string, IEnumerable<string>> header in request.Headers)
{
string headerName = header.Key;
if (headerName.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
headers.Add(headerName.ToLowerInvariant(), header.Value);
}
}
if (request.Content != null)
{
foreach (KeyValuePair<string, IEnumerable<string>> header in request.Content.Headers)
{
string headerName = header.Key;
if (headerName.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
headers.Add(headerName.ToLowerInvariant(), header.Value);
}
}
}
StringBuilder canonicalizedElement = new StringBuilder(ExpectedHeaderNameAndValueLength);
foreach (KeyValuePair<string, IEnumerable<string>> header in headers)
{
canonicalizedElement.Clear();
canonicalizedElement.Append(header.Key);
canonicalizedElement.Append(HeaderNameValueSeparator);
foreach (string value in header.Value)
{
canonicalizedElement.Append(value.TrimStart().Replace("\r\n", string.Empty));
canonicalizedElement.Append(HeaderValueDelimiter);
}
canonicalizedString.AppendCanonicalizedElement(canonicalizedElement.ToString(0, canonicalizedElement.Length - 1));
}
}
public static void AppendCanonicalizedCustomHeaders(CanonicalizedString canonicalizedString, HttpWebRequest request)
{
List<string> headerNames = new List<string>(request.Headers.AllKeys.Length);
foreach (string headerName in request.Headers.AllKeys)
{
if (headerName.StartsWith(Constants.HeaderConstants.PrefixForStorageHeader, StringComparison.OrdinalIgnoreCase))
{
headerNames.Add(headerName.ToLowerInvariant());
}
}
CultureInfo sortingCulture = new CultureInfo("en-US");
StringComparer sortingComparer = StringComparer.Create(sortingCulture, false);
headerNames.Sort(sortingComparer);
StringBuilder canonicalizedElement = new StringBuilder(ExpectedHeaderNameAndValueLength);
foreach (string headerName in headerNames)
{
string value = request.Headers[headerName];
if (!string.IsNullOrEmpty(value))
{
canonicalizedElement.Length = 0;
canonicalizedElement.Append(headerName);
canonicalizedElement.Append(HeaderNameValueSeparator);
canonicalizedElement.Append(value.TrimStart().Replace("\r\n", string.Empty));
canonicalizedString.AppendCanonicalizedElement(canonicalizedElement.ToString());
}
}
}
/// <summary>
/// Appends the value of the Date header (or, optionally, the x-ms-date header) to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
/// <param name="allowMicrosoftDateHeader">true if the value of the x-ms-date header can be used and is preferred; otherwise, false.</param>
public static void AppendCanonicalizedDateHeader(CanonicalizedString canonicalizedString, HttpWebRequest request, bool allowMicrosoftDateHeader = false)
{
string microsoftDateHeaderValue = request.Headers[Constants.HeaderConstants.Date];
if (string.IsNullOrEmpty(microsoftDateHeaderValue))
{
canonicalizedString.AppendCanonicalizedElement(request.Headers[HttpRequestHeader.Date]);
}
else if (allowMicrosoftDateHeader)
{
canonicalizedString.AppendCanonicalizedElement(microsoftDateHeaderValue);
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
/// <summary>
/// Appends the value of the Content-Length header to the specified canonicalized string.
/// </summary>
/// <param name="canonicalizedString">The canonicalized string where the value is appended.</param>
/// <param name="request">The request where the value is read from.</param>
public static void AppendCanonicalizedContentLengthHeader(CanonicalizedString canonicalizedString, HttpWebRequest request)
{
if (request.ContentLength != -1L)
{
canonicalizedString.AppendCanonicalizedElement(request.ContentLength.ToString(CultureInfo.InvariantCulture));
}
else
{
canonicalizedString.AppendCanonicalizedElement(null);
}
}
