/// <summary>
/// Initializes a new instance of the <see cref="JwtSecurityToken"/> class specifying optional parameters.
/// </summary>
/// <param name="issuer">if this value is not null, a { iss, 'issuer' } claim will be added.</param>
/// <param name="audience">if this value is not null, a { aud, 'audience' } claim will be added</param>
/// <param name="claims">if this value is not null then for each <see cref="Claim"/> a { 'Claim.Type', 'Claim.Value' } is added. If duplicate claims are found then a { 'Claim.Type', List<object> } will be created to contain the duplicate values.</param>
/// <param name="expires">if expires.HasValue a { exp, 'value' } claim is added.</param>
/// <param name="notBefore">if notbefore.HasValue a { nbf, 'value' } claim is added.</param>
/// <param name="signingCredentials">The <see cref="SigningCredentials"/> that will be used to sign the <see cref="JwtSecurityToken"/>. See <see cref="JwtHeader(SigningCredentials)"/> for details pertaining to the Header Parameter(s).</param>
/// <exception cref="ArgumentException">if 'expires' <= 'notbefore'.</exception>
public JwtSecurityToken(string issuer = null, string audience = null, IEnumerable <Claim> claims = null, DateTime?notBefore = null, DateTime?expires = null, SigningCredentials signingCredentials = null)
{
if (expires.HasValue && notBefore.HasValue)
{
if (notBefore >= expires)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10401, expires.Value, notBefore.Value));
}
}
this.payload = new JwtPayload(issuer: issuer, audience: audience, claims: claims, notBefore: notBefore, expires: expires);
this.header = new JwtHeader(signingCredentials);
}
/// <summary>
/// Initializes a new instance of the <see cref="JwtSecurityToken"/> class where the <see cref="JwtHeader"/> contains the crypto algorithms applied to the encoded <see cref="JwtHeader"/> and <see cref="JwtPayload"/>. The jwtEncodedString is the result of those operations.
/// </summary>
/// <param name="header">Contains JSON objects representing the cryptographic operations applied to the JWT and optionally any additional properties of the JWT</param>
/// <param name="payload">Contains JSON objects representing the claims contained in the JWT. Each claim is a JSON object of the form { Name, Value }</param>
/// <exception cref="ArgumentNullException">'header' is null.</exception>
/// <exception cref="ArgumentNullException">'payload' is null.</exception>
public JwtSecurityToken(JwtHeader header, JwtPayload payload)
{
if (header == null)
{
throw new ArgumentNullException("header");
}
if (payload == null)
{
throw new ArgumentNullException("payload");
}
this.header = header;
this.payload = payload;
}
/// <summary>
/// Decodes the string into the header, payload and signature
/// </summary>
/// <param name="jwtEncodedString">Base64Url encoded string.</param>
internal void Decode(string jwtEncodedString)
{
string[] tokenParts = jwtEncodedString.Split(new char[] { '.' }, 4);
if (tokenParts.Length != 3)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10709, "jwtEncodedString", jwtEncodedString));
}
try
{
this.header = JwtHeader.Base64UrlDeserialize(tokenParts[0]);
// if present, "typ" should be set to "JWT" or "http://openid.net/specs/jwt/1.0"
string type = this.header.Typ;
if (type != null)
{
if (!(StringComparer.Ordinal.Equals(type, JwtConstants.HeaderType) || StringComparer.Ordinal.Equals(type, JwtConstants.HeaderTypeAlt)))
{
throw new SecurityTokenException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10702, JwtConstants.HeaderType, JwtConstants.HeaderTypeAlt, type));
}
}
}
catch (Exception ex)
{
if (DiagnosticUtility.IsFatal(ex))
{
throw;
}
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10703, "header", tokenParts[0], jwtEncodedString), ex);
}
try
{
this.payload = JwtPayload.Base64UrlDeserialize(tokenParts[1]);
}
catch (Exception ex)
{
if (DiagnosticUtility.IsFatal(ex))
{
throw;
}
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10703, "payload", tokenParts[1], jwtEncodedString), ex);
}
// ensure signature is well-formed, GitIssue 103
if (!string.IsNullOrEmpty(tokenParts[2]))
{
try
{
Base64UrlEncoder.Decode(tokenParts[2]);
}
catch (Exception ex)
{
if (DiagnosticUtility.IsFatal(ex))
{
throw;
}
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, ErrorMessages.IDX10703, "signature", tokenParts[1], jwtEncodedString), ex);
}
}
this.rawData = jwtEncodedString;
this.rawHeader = tokenParts[0];
this.rawPayload = tokenParts[1];
this.rawSignature = tokenParts[2];
}
