/// <summary> /// Encodes this instance as Base64UrlEncoded JSON. /// </summary> /// <returns>Base64UrlEncoded JSON.</returns> /// <remarks>use <see cref="JsonExtensions.Serializer"/> to customize JSON serialization.</remarks> public virtual string Base64UrlEncode() { return(Base64UrlEncoder.Encode(SerializeToJson())); }
/// <summary> /// Deserializes Base64UrlEncoded JSON into a <see cref="JwtHeader"/> instance. /// </summary> /// <param name="base64UrlEncodedJsonString">base64url encoded JSON to deserialize.</param> /// <returns>an instance of <see cref="JwtHeader"/>.</returns> /// <remarks>use <see cref="JsonExtensions.Deserializer"/> to customize JSON serialization.</remarks> public static JwtHeader Base64UrlDeserialize(string base64UrlEncodedJsonString) { return(JsonExtensions.DeserializeJwtHeader(Base64UrlEncoder.Decode(base64UrlEncodedJsonString))); }
/// <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]; }