public override void ParseAccessPolicyFields(bool isDoubleSigned)
{
try
{
this.ValidateAndSetSASVersionToUse(base.QueryParams["sv"]);
base.ParseAccessPolicyFields(false);
string str = AuthenticationManagerHelper.ExtractKeyNameFromParamsWithConversion(base.QueryParams);
base.ValidateOptionalField(str, "sk");
if (str != null)
{
base.KeyName = str.Trim();
Logger <IRestProtocolHeadLogger> .Instance.Verbose.Log("Using secret key with KeyName '{0}' to authenticate SAS request.", new object[] { base.KeyName });
}
string item = base.QueryParams["ss"];
base.ValidateMandatoryField(item, "ss");
this.SignedService = AccountSasHelper.ParseSasService(item);
string item1 = base.QueryParams["srt"];
base.ValidateMandatoryField(item1, "srt");
this.SignedResourceType = AccountSasHelper.ParseSasResourceType(item1);
string str1 = base.QueryParams["sig"];
base.ValidateMandatoryField(str1, "sig");
base.ValidateSignatureFormat(str1);
base.Signature = str1;
string item2 = base.QueryParams["sp"];
base.ValidateMandatoryField(item2, "sp");
base.SignedPermission = new SASPermission?(AccountSasHelper.ParsePermissionsForAccountSas(item2));
}
catch (FormatException formatException)
{
throw new AuthenticationFailureException("Signature fields not well formed.", formatException);
}
}
public override void ParseAccessPolicyFields(bool isDoubleSigned)
{
try
{
if (isDoubleSigned)
{
string str = base.ExtractSignedAuthorization(base.RequestContext);
base.ValidateMandatoryField(str, "SignedKey");
base.ValidateSignedAuthorizationFormat(str);
}
else
{
string item = base.QueryParams["sig"];
base.ValidateMandatoryField(item, "sig");
base.ValidateSignatureFormat(item);
base.Signature = item;
}
string item1 = base.QueryParams["si"];
base.ValidateOptionalField(item1, "si");
base.SignedIdentifier = item1;
string str1 = base.QueryParams["sv"];
base.ValidateMandatoryField(str1, "sv");
this.ValidateSASVersion(str1);
base.ParseAccessPolicyFields(isDoubleSigned);
string item2 = base.QueryParams["sp"];
if (!base.IsRevocableAccess)
{
base.ValidateMandatoryField(item2, "sp");
SASUtilities.ValidatePermissionOrdering(item2, SASPermission.Queue);
base.SignedPermission = new SASPermission?(SASUtilities.ParseSASPermission(item2));
}
else
{
base.ValidateOptionalField(item2, "sp");
if (item2 != null)
{
SASUtilities.ValidatePermissionOrdering(item2, SASPermission.Queue);
base.SignedPermission = new SASPermission?(SASUtilities.ParseSASPermission(item2));
}
}
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 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);
}
public override void ParseAccessPolicyFields(bool isDoubleSigned)
{
try
{
if (isDoubleSigned)
{
string str = base.ExtractSignedAuthorization(base.RequestContext);
base.ValidateMandatoryField(str, "SignedKey");
base.ValidateSignedAuthorizationFormat(str);
}
else
{
string item = base.QueryParams["sig"];
base.ValidateMandatoryField(item, "sig");
base.ValidateSignatureFormat(item);
base.Signature = item;
}
string item1 = base.QueryParams["si"];
base.ValidateOptionalField(item1, "si");
base.SignedIdentifier = item1;
string str1 = base.QueryParams["tn"];
base.ValidateMandatoryField(str1, "tn");
this.TableName = str1.ToLower();
string item2 = base.QueryParams["spk"];
this.StartingPartitionKey = item2;
string str2 = base.QueryParams["srk"];
if (item2 == null && str2 != null)
{
throw new AuthenticationFailureException(string.Format("{0} is required when {1} is provided.", "srk", "spk"));
}
this.StartingRowKey = str2;
string item3 = base.QueryParams["epk"];
this.EndingPartitionKey = item3;
string str3 = base.QueryParams["erk"];
if (item3 == null && str3 != null)
{
throw new AuthenticationFailureException(string.Format("{0} is required when {1} is provided.", "erk", "epk"));
}
this.EndingRowKey = str3;
string item4 = base.QueryParams["sv"];
base.ValidateMandatoryField(item4, "sv");
this.ValidateSASVersion(item4);
base.ParseAccessPolicyFields(isDoubleSigned);
string str4 = base.QueryParams["sp"];
if (!base.IsRevocableAccess)
{
base.ValidateMandatoryField(str4, "sp");
SASUtilities.ValidatePermissionOrdering(str4, SASPermission.Table);
base.SignedPermission = new SASPermission?(SASUtilities.ParseSASPermission(str4));
}
else
{
base.ValidateOptionalField(str4, "sp");
if (str4 != null)
{
SASUtilities.ValidatePermissionOrdering(str4, SASPermission.Table);
base.SignedPermission = new SASPermission?(SASUtilities.ParseSASPermission(str4));
}
}
string str5 = AuthenticationManagerHelper.ExtractKeyNameFromParamsWithConversion(base.QueryParams);
base.ValidateOptionalField(str5, "sk");
if (str5 != null)
{
base.KeyName = str5.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);
}
}