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SIRHAMY/JwtTokenCreator.cs

Created March 22, 2017 18:22
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Example of how to use Microsoft's System.IdentityModel.Tokens.Jwt to create a JWT Token
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JwtTokenCreator.cs
using System.Collections.Generic;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Linq
using System.Text;
using Microsoft.IdentityModel.Tokens;
public class JwtTokenCreator
{
private readonly JwtSecurityTokenHandler _jwtSecurityTokenHandler;
public JwtTokenCreator()
{
this._jwtSecurityTokenHandler = new JwtSecurityTokenHandler();
}
public string GenerateJwtToken(string secretKey, IReadOnlyDictionary<string, string> payloadContents, string encryptionAlgorithm)
{
var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secretKey));
var signingCredentials = new SigningCredentials(securityKey, encryptionAlgorithm);
var payloadClaims = payloadContents.Select(c => new Claim(c.Key, c.Value));
var payload = new JwtPayload(payloadClaims);
var header = new JwtHeader(signingCredentials);
var securityToken = new JwtSecurityToken(header, payload);
return this._jwtSecurityTokenHandler.WriteToken(securityToken);
}
}
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