public override void ParseAccessPolicyFields(bool isDoubleSigned)
{
try
{
string item = base.QueryParams["sr"];
base.ValidateMandatoryField(item, "sr");
this.SignedResource = SASUtilities.ParseSasAccessLevel(item);
if (isDoubleSigned)
{
string str = base.ExtractSignedAuthorization(base.RequestContext);
base.ValidateMandatoryField(str, "SignedKey");
base.ValidateSignedAuthorizationFormat(str);
}
else
{
string item1 = base.QueryParams["sig"];
base.ValidateMandatoryField(item1, "sig");
base.ValidateSignatureFormat(item1);
base.Signature = item1;
}
string str1 = base.QueryParams["si"];
base.ValidateOptionalField(str1, "si");
base.SignedIdentifier = str1;
this.ValidateAndSetSASVersionToUse(base.QueryParams["sv"]);
base.ParseAccessPolicyFields(isDoubleSigned);
string item2 = base.QueryParams["sp"];
if (!base.IsRevocableAccess)
{
base.ValidateMandatoryField(item2, "sp");
}
else
{
base.ValidateOptionalField(item2, "sp");
}
if (item2 != null)
{
if (!VersioningHelper.IsPreApril15OrInvalidVersion(base.SignedVersion))
{
SASUtilities.ValidatePermissionOrdering(item2, SASPermission.BlobWithAddAndCreate);
}
else
{
SASUtilities.ValidatePermissionOrdering(item2, SASPermission.Blob);
}
base.SignedPermission = new SASPermission?(SASUtilities.ParseSASPermission(item2));
}
if (this.IsAtLeastFeb2012SasVersion)
{
string str2 = AuthenticationManagerHelper.ExtractKeyNameFromParamsWithConversion(base.QueryParams);
base.ValidateOptionalField(str2, "sk");
if (str2 != null)
{
base.KeyName = str2.Trim();
Logger <IRestProtocolHeadLogger> .Instance.Verbose.Log("Using secret key with KeyName '{0}' to authenticate SAS request.", new object[] { base.KeyName });
}
}
}
catch (FormatException formatException)
{
throw new AuthenticationFailureException("Signature fields not well formed.", formatException);
}
}
public static byte[] ComputeUrlDecodedUtf8EncodedStringToSign(NameValueCollection queryParams, NephosUriComponents uriComponents)
{
string item = queryParams["st"];
string str = queryParams["se"];
string item1 = queryParams["sp"];
string str1 = queryParams["sr"];
string item2 = queryParams["si"];
string str2 = queryParams["sip"];
string item3 = queryParams["spr"];
string str3 = queryParams["sv"];
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append(item1 ?? string.Empty);
stringBuilder.Append("\n");
stringBuilder.Append(item ?? string.Empty);
stringBuilder.Append("\n");
stringBuilder.Append(str ?? string.Empty);
stringBuilder.Append("\n");
stringBuilder.Append(BlobSignedAccessHelper.GetCanonicalizedResource(uriComponents, SASUtilities.ParseSasAccessLevel(str1), str3));
stringBuilder.Append("\n");
stringBuilder.Append(item2 ?? string.Empty);
if (str3 != null)
{
if (VersioningHelper.CompareVersions(str3, "2015-04-05") >= 0)
{
stringBuilder.Append("\n");
stringBuilder.Append(str2 ?? string.Empty);
stringBuilder.Append("\n");
stringBuilder.Append(item3 ?? string.Empty);
}
stringBuilder.Append("\n");
stringBuilder.Append(queryParams["sv"]);
if (VersioningHelper.CompareVersions(str3, "2014-02-14") >= 0)
{
stringBuilder.Append("\n");
if (queryParams["rscc"] != null)
{
stringBuilder.Append(queryParams["rscc"]);
}
stringBuilder.Append("\n");
if (queryParams["rscd"] != null)
{
stringBuilder.Append(queryParams["rscd"]);
}
stringBuilder.Append("\n");
if (queryParams["rsce"] != null)
{
stringBuilder.Append(queryParams["rsce"]);
}
stringBuilder.Append("\n");
if (queryParams["rscl"] != null)
{
stringBuilder.Append(queryParams["rscl"]);
}
stringBuilder.Append("\n");
if (queryParams["rsct"] != null)
{
stringBuilder.Append(queryParams["rsct"]);
}
}
}
if (queryParams["sep"] != null)
{
stringBuilder.Append("\n");
stringBuilder.Append(queryParams["sep"]);
}
return((new UTF8Encoding()).GetBytes(stringBuilder.ToString()));
}