public static SasTokenParameters Parse(IList <KeyValuePair <string, string> > args)
{
var additionalList = new Dictionary <string, string>();
foreach (var kvp in args.Where(x => !new[] { "skn", "sr", "se", "sig", "nonce" }.Contains(x.Key)))
{
additionalList.Add(kvp.Key, kvp.Value);
}
var token = new SasTokenParameters
{
SigningKeyName = args.FirstOrDefault(q => q.Key == "skn").Value,
SharedResource = args.FirstOrDefault(q => q.Key == "sr").Value,
Expiry = GetInt(args.FirstOrDefault(q => q.Key == "se").Value),
Signature = args.FirstOrDefault(q => q.Key == "sig").Value,
Nonce = args.FirstOrDefault(q => q.Key == "nonce").Value,
AdditionalValues = additionalList
};
token.Invalid = (string.IsNullOrEmpty(token.SigningKeyName) ||
string.IsNullOrEmpty(token.SharedResource) ||
string.IsNullOrEmpty(token.Signature) ||
token.Expiry <= 0);
return(token);
}
/// <summary>
/// Create signed sastoken
/// </summary>
/// <param name="sharedResourceName">Name of the shared resource.</param>
/// <param name="timeoutInSeconds">The timeout for the token in seconds.</param>
/// <param name="signingKeyName">The name for the signing key.</param>
/// <param name="additionalValues">The additional values that should be included.</param>
/// <param name="useNonce">if set to <c>true</c> then use the nonce in the signature.</param>
/// <param name="hashType">Type of the hash.</param>
/// <param name="sharedSecret">if set to a valid string then the calculation is executed immediately.</param>
/// <param name="includeAdditionalValues">if set to <c>true</c> then use the additional values in the signature.</param>
/// <param name="includeAdditionalKeys">if set to <c>true</c> then use the additional keys in the signature.</param>
/// <returns>SASToken.</returns>
private static SasTokenParameters ExecuteCreate(
string sharedResourceName,
int timeoutInSeconds,
string signingKeyName,
IDictionary <string, string> additionalValues,
bool useNonce,
HashType hashType,
string sharedSecret)
{
if (string.IsNullOrEmpty(sharedSecret))
{
throw new ArgumentNullException("sharedSecret", "Invalid signing key");
}
var epochCurrent = DateTime.UtcNow - new DateTime(1970, 1, 1);
var expiry = (int)epochCurrent.TotalSeconds + timeoutInSeconds;
var sasToken = new SasTokenParameters
{
SharedResource = sharedResourceName,
Expiry = expiry,
SigningKeyName = signingKeyName,
AdditionalValues = additionalValues,
Nonce = ""
};
if (useNonce)
{
sasToken.Nonce = CreateNewNonce(12);
}
sasToken.Signature = sasToken.CalcSignature(
sharedSecret,
useNonce,
hashType,
additionalValues?.Keys);
return(sasToken);
}
