public override byte[] ComputeUrlDecodedUtf8EncodedStringToSign()
{
string item;
string str = base.QueryParams["st"];
string item1 = base.QueryParams["se"];
string str1 = base.QueryParams["sp"];
string signedIdentifier = base.SignedIdentifier ?? string.Empty;
string item2 = base.QueryParams["sip"];
string str2 = base.QueryParams["spr"];
string item3 = base.QueryParams["sv"];
string tableName = this.TableName ?? string.Empty;
string startingPartitionKey = this.StartingPartitionKey ?? string.Empty;
string startingRowKey = this.StartingRowKey ?? string.Empty;
string endingPartitionKey = this.EndingPartitionKey ?? string.Empty;
string endingRowKey = this.EndingRowKey ?? string.Empty;
if (base.SignedExtraPermission.HasValue)
{
item = base.QueryParams["sep"];
}
else
{
item = null;
}
return(TableSignedAccessHelper.ComputeUrlDecodedUtf8EncodedStringToSign(str, item1, str1, signedIdentifier, item2, str2, item3, tableName, startingPartitionKey, startingRowKey, endingPartitionKey, endingRowKey, item, base.UriComponents));
}
public static AuthDataEntry SignedKeyAuthenticate(string stringToSign, string requestSignature, AuthenticationInformation authInfo)
{
AuthDataEntry authDataEntry;
NephosAssertionException.Assert(!string.IsNullOrEmpty(stringToSign));
NephosAssertionException.Assert(!string.IsNullOrEmpty(requestSignature));
NephosAssertionException.Assert(authInfo != null);
RequestContext requestContext = authInfo.RequestContext;
NephosUriComponents uriComponents = authInfo.UriComponents;
NameValueCollection queryParameters = requestContext.QueryParameters;
string item = queryParameters["st"];
string str = queryParameters["se"];
string item1 = queryParameters["sp"];
string str1 = queryParameters["si"];
string item2 = queryParameters["sip"];
string str2 = queryParameters["spr"];
string item3 = queryParameters["sv"];
string str3 = queryParameters["tn"];
string item4 = queryParameters["spk"];
string str4 = queryParameters["srk"];
string item5 = queryParameters["epk"];
string str5 = queryParameters["erk"];
string item6 = queryParameters["sep"];
byte[] sign = TableSignedAccessHelper.ComputeUrlDecodedUtf8EncodedStringToSign(item, str, item1, str1, item2, str2, item3, str3, item4, str4, item5, str5, item6, uriComponents);
authInfo.AuthKeyName = AuthenticationManagerHelper.ExtractKeyNameFromParamsWithConversion(queryParameters);
using (IEnumerator <AuthDataEntry> enumerator = SharedKeyAuthInfoHelper.GetSharedKeys(authInfo).GetEnumerator())
{
while (enumerator.MoveNext())
{
AuthDataEntry current = enumerator.Current;
byte[] numArray = SASUtilities.ComputeSignedKey(sign, current.AuthValue);
if (!SASUtilities.ComputeSignatureAndCompare((new UTF8Encoding()).GetBytes(stringToSign), numArray, requestSignature))
{
continue;
}
authDataEntry = current;
return(authDataEntry);
}
CultureInfo invariantCulture = CultureInfo.InvariantCulture;
object[] objArray = new object[] { requestSignature, stringToSign };
throw new AuthenticationFailureException(string.Format(invariantCulture, "The MAC signature found in the HTTP request '{0}' is not the same as any computed signature. Server used following string to sign: '{1}'.", objArray));
}
return(authDataEntry);
}