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