/// <summary>CreateJwtBearerTokenFlowAssertion</summary>
/// <param name="iss">client_id</param>
/// <param name="aud">Token2 EndPointのuri</param>
/// <param name="forExp">DateTimeOffset</param>
/// <param name="scopes">scopes</param>
/// <param name="xmlPrivateKey">RS256用のXML秘密鍵</param>
/// <returns>JwtAssertion</returns>
public static string CreateJwtBearerTokenFlowAssertion(
string iss, string aud, TimeSpan forExp, string scopes, string xmlPrivateKey)
{
string json = "";
string jwt = "";
#region ClaimSetの生成
Dictionary <string, object> jwtAssertionClaimSet = new Dictionary <string, object>();
jwtAssertionClaimSet.Add("iss", iss); // client_id
jwtAssertionClaimSet.Add("aud", aud); // Token2 EndPointのuri。
#if NET45
jwtAssertionClaimSet.Add("exp", PubCmnFunction.ToUnixTime(DateTimeOffset.Now.Add(forExp)).ToString());
jwtAssertionClaimSet.Add("iat", PubCmnFunction.ToUnixTime(DateTimeOffset.Now).ToString());
#else
jwtAssertionClaimSet.Add("exp", (DateTimeOffset.Now.Add(forExp)).ToUnixTimeSeconds().ToString());
jwtAssertionClaimSet.Add("iat", DateTimeOffset.Now.ToUnixTimeSeconds().ToString());
#endif
jwtAssertionClaimSet.Add("jti", Guid.NewGuid().ToString("N"));
jwtAssertionClaimSet.Add("scope", scopes); // scopes
json = JsonConvert.SerializeObject(jwtAssertionClaimSet);
#endregion
#region JWT化
JWT_RS256_XML jwtRS256 = null;
// 署名
jwtRS256 = new JWT_RS256_XML(xmlPrivateKey);
jwt = jwtRS256.Create(json);
// 検証
jwtRS256 = new JWT_RS256_XML(xmlPrivateKey);
if (jwtRS256.Verify(jwt))
{
return(jwt); // 検証できた。
}
else
{
return(""); // 検証できなかった。
}
#endregion
}
/// <summary>JWT生成</summary>
private void btnJWTSign_Click(object sender, EventArgs e)
{
if (rbnJWTHS256.Checked)
{
// HS256
string password = GetPassword.Generate(20, 10);
JWT_HS256 jwtHS256 = new JWT_HS256(CustomEncode.StringToByte(password, CustomEncode.UTF_8));
// 生成
string jwt = jwtHS256.Create(this.txtJWTPayload.Text);
// 出力
this.txtJWTKey.Text = password;
this.txtJWTJWK.Text = jwtHS256.JWK;
this.txtJWTSign.Text = jwt;
// 改竄可能なフィールドに出力
string[] temp = jwt.Split('.');
this.txtJWTHeader.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[0]), CustomEncode.UTF_8);
this.txtJWTPayload.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[1]), CustomEncode.UTF_8);
}
else if (rbnJWTRS256_XML.Checked)
{
// RS256 (XML)
JWT_RS256_XML jwtRS256 = new JWT_RS256_XML();
// 生成
string jwt = jwtRS256.Create(this.txtJWTPayload.Text);
// 出力
this.txtJWTKey.Text = jwtRS256.XMLPublicKey;
this.txtJWTJWK.Text =
RS256_KeyConverter.ParamToJwkPublicKey(
RS256_KeyConverter.XmlToProvider(jwtRS256.XMLPublicKey).ExportParameters(false));
this.txtJWTSign.Text = jwt;
// 改竄可能なフィールドに出力
string[] temp = jwt.Split('.');
this.txtJWTHeader.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[0]), CustomEncode.UTF_8);
this.txtJWTPayload.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[1]), CustomEncode.UTF_8);
}
else if (rbnJWTRS256_Param.Checked)
{
// RS256 (Param)
JWT_RS256_Param jwtRS256 = new JWT_RS256_Param();
// 生成
string jwt = jwtRS256.Create(this.txtJWTPayload.Text);
// 出力
this.txtJWTKey.Text = RS256_KeyConverter.ParamToXmlPublicKey(jwtRS256.RsaPublicParameters);
this.txtJWTJWK.Text = RS256_KeyConverter.ParamToJwkPublicKey(jwtRS256.RsaPublicParameters);
this.txtJWTSign.Text = jwt;
// 改竄可能なフィールドに出力
string[] temp = jwt.Split('.');
this.txtJWTHeader.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[0]), CustomEncode.UTF_8);
this.txtJWTPayload.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[1]), CustomEncode.UTF_8);
}
else
{
// RS256 (X509)
JWT_RS256_X509 jwtRS256 = new JWT_RS256_X509(this.CertificateFilePath_pfx, this.CertificateFilePassword,
X509KeyStorageFlags.Exportable | X509KeyStorageFlags.MachineKeySet);
// 生成
string jwt = jwtRS256.Create(this.txtJWTPayload.Text);
// 出力
this.txtJWTKey.Text = jwtRS256.DigitalSignX509.X509PublicKey;
this.txtJWTJWK.Text =
RS256_KeyConverter.ParamToJwkPublicKey(
RS256_KeyConverter.X509CerToProvider(
this.CertificateFilePath_cer).ExportParameters(false));
this.txtJWTSign.Text = jwt;
// 改竄可能なフィールドに出力
string[] temp = jwt.Split('.');
this.txtJWTHeader.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[0]), CustomEncode.UTF_8);
this.txtJWTPayload.Text = CustomEncode.ByteToString(
CustomEncode.FromBase64UrlString(temp[1]), CustomEncode.UTF_8);
}
}