/// <summary>
/// Decodes the string into the header, payload and signature
/// </summary>
/// <param name="jwtEncodedString">Base64Url encoded string.</param>
internal void Decode(string jwtEncodedString)
{
IdentityModelEventSource.Logger.WriteInformation(LogMessages.IDX10716, jwtEncodedString);
string[] tokenParts = jwtEncodedString.Split(new char[] { '.' }, 4);
if (tokenParts.Length != 3)
{
throw LogHelper.LogException <ArgumentException>(LogMessages.IDX10709, "jwtEncodedString", jwtEncodedString);
}
try
{
IdentityModelEventSource.Logger.WriteVerbose(LogMessages.IDX10717, tokenParts[0]);
Header = JwtHeader.Base64UrlDeserialize(tokenParts[0]);
// if present, "typ" should be set to "JWT" or "http://openid.net/specs/jwt/1.0"
string type = Header.Typ;
if (type != null)
{
if (!(StringComparer.Ordinal.Equals(type, JwtConstants.HeaderType) || StringComparer.Ordinal.Equals(type, JwtConstants.HeaderTypeAlt)))
{
throw LogHelper.LogException <SecurityTokenException>(LogMessages.IDX10702, JwtConstants.HeaderType, JwtConstants.HeaderTypeAlt, type);
}
}
}
catch (Exception ex)
{
throw LogHelper.LogException <ArgumentException>(ex, LogMessages.IDX10703, "header", tokenParts[0], jwtEncodedString);
}
try
{
IdentityModelEventSource.Logger.WriteVerbose(LogMessages.IDX10718, tokenParts[1]);
Payload = JwtPayload.Base64UrlDeserialize(tokenParts[1]);
}
catch (Exception ex)
{
throw LogHelper.LogException <ArgumentException>(ex, LogMessages.IDX10703, "payload", tokenParts[1], jwtEncodedString);
}
if (!string.IsNullOrEmpty(tokenParts[2]))
{
try
{
Base64UrlEncoder.DecodeBytes(tokenParts[2]);
}
catch (Exception ex)
{
throw LogHelper.LogException <ArgumentException>(ex, LogMessages.IDX10703, "signature", tokenParts[2], jwtEncodedString);
}
}
RawData = jwtEncodedString;
RawHeader = tokenParts[0];
RawPayload = tokenParts[1];
RawSignature = tokenParts[2];
}
/// <summary>
/// Decodes the payload and signature from the JWS parts.
/// </summary>
/// <param name="tokenParts">Parts of the JWS including the header.</param>
/// <remarks>Assumes Header has already been set.</remarks>
private void DecodeJws(string[] tokenParts)
{
// Log if CTY is set, assume compact JWS
if (Header.Cty != null)
{
IdentityModelEventSource.Logger.WriteVerbose(string.Format(CultureInfo.InvariantCulture, LogMessages.IDX10738, Header.Cty));
}
try
{
Payload = JwtPayload.Base64UrlDeserialize(tokenParts[1]);
}
catch (Exception ex)
{
throw LogHelper.LogExceptionMessage(new ArgumentException(string.Format(CultureInfo.InvariantCulture, LogMessages.IDX10723, tokenParts[1], RawData), ex));
}
RawHeader = tokenParts[0];
RawPayload = tokenParts[1];
RawSignature = tokenParts[2];
}
/// <summary>
/// Decodes the payload and signature from the JWS parts.
/// </summary>
/// <param name="tokenParts">Parts of the JWS including the header.</param>
/// <remarks>Assumes Header has already been set.</remarks>
private void DecodeJws(string[] tokenParts)
{
// Log if CTY is set, assume compact JWS
if (Header.Cty != null)
{
LogHelper.LogVerbose(LogHelper.FormatInvariant(LogMessages.IDX12738, Header.Cty));
}
try
{
Payload = JwtPayload.Base64UrlDeserialize(tokenParts[1]);
}
catch (Exception ex)
{
throw LogHelper.LogExceptionMessage(new ArgumentException(LogHelper.FormatInvariant(LogMessages.IDX12723, tokenParts[1], RawData), ex));
}
RawHeader = tokenParts[0];
RawPayload = tokenParts[1];
RawSignature = tokenParts[2];
}
/// <summary>
/// Decodes the payload and signature from the JWS parts.
/// </summary>
/// <param name="tokenParts">Parts of the JWS including the header.</param>
/// <remarks>Assumes Header has already been set.</remarks>
private void DecodeJws(string[] tokenParts)
{
// We do not support other content types for JWS.
if (Header.Cty != null)
{
throw LogHelper.LogExceptionMessage(new ArgumentException(string.Format(CultureInfo.InvariantCulture, LogMessages.IDX10723, tokenParts[1], RawData)));
}
try
{
Payload = JwtPayload.Base64UrlDeserialize(tokenParts[1]);
}
catch (Exception ex)
{
throw LogHelper.LogExceptionMessage(new ArgumentException(string.Format(CultureInfo.InvariantCulture, LogMessages.IDX10723, tokenParts[1], RawData), ex));
}
RawHeader = tokenParts[0];
RawPayload = tokenParts[1];
RawSignature = tokenParts[2];
}