DamageAssessment_Backend/DamageAssesmentApi/DamageAssesment.Api.UsersAccess/Providers/TokenServiceProvider.cs
2023-08-18 15:30:34 -04:00

57 lines
2.3 KiB
C#

using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;
using System.Security.Cryptography;
using System.Text;
using DamageAssesment.Api.UsersAccess.Db;
using DamageAssesment.Api.UsersAccess.Interfaces;
using DamageAssesment.Api.UsersAccess.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using Microsoft.IdentityModel.Tokens;
public class TokenServiceProvider : ITokenServiceProvider
{
private readonly UsersAccessDbContext usersAccessDbContext;
private readonly JwtSettings jwtSettings;
public TokenServiceProvider(IOptions<JwtSettings> options,UsersAccessDbContext usersAccessDbContext)
{
this.usersAccessDbContext = usersAccessDbContext;
this.jwtSettings = options.Value;
}
public async Task<string> GenerateToken(DamageAssesment.Api.UsersAccess.Models.User user)
{
var randomnumber = new byte[32];
using (var ramdomnumbergenerator = RandomNumberGenerator.Create())
{
ramdomnumbergenerator.GetBytes(randomnumber);
string refreshtoken = Convert.ToBase64String(randomnumber);
var token = await usersAccessDbContext.Tokens.FirstOrDefaultAsync(item => item.UserId == user.Id);
if (token != null)
{
token.RefreshToken = refreshtoken;
}
else
{
usersAccessDbContext.Tokens.Add(new DamageAssesment.Api.UsersAccess.Db.Token()
{
Id = new Random().Next().ToString(),
UserId = user.Id,
RefreshToken = refreshtoken,
IsActive = true
});
}
await usersAccessDbContext.SaveChangesAsync();
return refreshtoken;
}
}
public async Task<TokenResponse> TokenAuthenticate(DamageAssesment.Api.UsersAccess.Models.User user, Claim[] claims)
{
var token = new JwtSecurityToken(claims: claims, expires: DateTime.Now.AddSeconds(20),
signingCredentials: new SigningCredentials(new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSettings.securitykey)), SecurityAlgorithms.HmacSha256)
);
var jwttoken = new JwtSecurityTokenHandler().WriteToken(token);
return new TokenResponse() { jwttoken = jwttoken, refreshtoken = await GenerateToken(user) };
}
}