remove separate identity api

This commit is contained in:
Michele Scandura 2020-11-11 09:44:03 +00:00
parent 50e3f220e1
commit 628fab2146
27 changed files with 0 additions and 903 deletions

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@ -1,135 +0,0 @@
using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc;
using AutoMapper;
using System.IdentityModel.Tokens.Jwt;
using WebApi.Helpers;
using Microsoft.Extensions.Options;
using System.Text;
using Microsoft.IdentityModel.Tokens;
using System.Security.Claims;
using Microsoft.AspNetCore.Authorization;
using WebApi.Services;
using WebApi.Entities;
using WebApi.Models.Users;
namespace WebApi.Controllers
{
[Authorize]
[ApiController]
[Route("[controller]")]
public class UsersController : ControllerBase
{
private IUserService _userService;
private IMapper _mapper;
private readonly AppSettings _appSettings;
public UsersController(
IUserService userService,
IMapper mapper,
IOptions<AppSettings> appSettings)
{
_userService = userService;
_mapper = mapper;
_appSettings = appSettings.Value;
}
[AllowAnonymous]
[HttpPost("authenticate")]
public IActionResult Authenticate([FromBody]AuthenticateModel model)
{
var user = _userService.Authenticate(model.Username, model.Password);
if (user == null)
return BadRequest(new { message = "Username or password is incorrect" });
var tokenHandler = new JwtSecurityTokenHandler();
var key = Encoding.ASCII.GetBytes(_appSettings.Secret);
var tokenDescriptor = new SecurityTokenDescriptor
{
Subject = new ClaimsIdentity(new Claim[]
{
new Claim(ClaimTypes.Name, user.Id.ToString())
}),
Expires = DateTime.UtcNow.AddDays(7),
SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature)
};
var token = tokenHandler.CreateToken(tokenDescriptor);
var tokenString = tokenHandler.WriteToken(token);
// return basic user info and authentication token
return Ok(new
{
Id = user.Id,
Username = user.Username,
FirstName = user.FirstName,
LastName = user.LastName,
Initials = user.Initials,
Token = tokenString
});
}
[AllowAnonymous]
[HttpPost("register")]
public IActionResult Register([FromBody]RegisterModel model)
{
// map model to entity
var user = _mapper.Map<User>(model);
try
{
// create user
_userService.Create(user, model.Password);
return Ok();
}
catch (AppException ex)
{
// return error message if there was an exception
return BadRequest(new { message = ex.Message });
}
}
[HttpGet]
public IActionResult GetAll()
{
var users = _userService.GetAll();
var model = _mapper.Map<IList<UserModel>>(users);
return Ok(model);
}
[HttpGet("{id}")]
public IActionResult GetById(int id)
{
var user = _userService.GetById(id);
var model = _mapper.Map<UserModel>(user);
return Ok(model);
}
[HttpPut("{id}")]
public IActionResult Update(int id, [FromBody]UpdateModel model)
{
// map model to entity and set id
var user = _mapper.Map<User>(model);
user.Id = id;
try
{
// update user
_userService.Update(user, model.Password);
return Ok();
}
catch (AppException ex)
{
// return error message if there was an exception
return BadRequest(new { message = ex.Message });
}
}
[HttpDelete("{id}")]
public IActionResult Delete(int id)
{
_userService.Delete(id);
return Ok();
}
}
}

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namespace WebApi.Entities
{
public class User
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Username { get; set; }
public string Initials { get; set; }
public byte[] PasswordHash { get; set; }
public byte[] PasswordSalt { get; set; }
}
}

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@ -1,19 +0,0 @@
using System;
using System.Globalization;
namespace WebApi.Helpers
{
// Custom exception class for throwing application specific exceptions (e.g. for validation)
// that can be caught and handled within the application
public class AppException : Exception
{
public AppException() : base() {}
public AppException(string message) : base(message) { }
public AppException(string message, params object[] args)
: base(String.Format(CultureInfo.CurrentCulture, message, args))
{
}
}
}

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namespace WebApi.Helpers
{
public class AppSettings
{
public string Secret { get; set; }
}
}

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using AutoMapper;
using WebApi.Entities;
using WebApi.Models.Users;
namespace WebApi.Helpers
{
public class AutoMapperProfile : Profile
{
public AutoMapperProfile()
{
CreateMap<User, UserModel>();
CreateMap<RegisterModel, User>();
CreateMap<UpdateModel, User>();
}
}
}

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@ -1,24 +0,0 @@
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using WebApi.Entities;
namespace WebApi.Helpers
{
public class DataContext : DbContext
{
protected readonly IConfiguration Configuration;
public DataContext(IConfiguration configuration)
{
Configuration = configuration;
}
protected override void OnConfiguring(DbContextOptionsBuilder options)
{
// connect to sql server database
options.UseSqlServer(Configuration.GetConnectionString("WebApiDatabase"));
}
public DbSet<User> Users { get; set; }
}
}

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@ -1,16 +0,0 @@
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
namespace WebApi.Helpers
{
public class SqliteDataContext : DataContext
{
public SqliteDataContext(IConfiguration configuration) : base(configuration) { }
protected override void OnConfiguring(DbContextOptionsBuilder options)
{
// connect to sqlite database
options.UseSqlite(Configuration.GetConnectionString("WebApiDatabase"));
}
}
}

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@ -1,53 +0,0 @@
// <auto-generated />
using System;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using WebApi.Helpers;
namespace WebApi.Migrations.SqlServerMigrations
{
[DbContext(typeof(DataContext))]
[Migration("20200102103423_InitialCreate")]
partial class InitialCreate
{
protected override void BuildTargetModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "3.1.0")
.HasAnnotation("Relational:MaxIdentifierLength", 128)
.HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
modelBuilder.Entity("WebApi.Entities.User", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int")
.HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
b.Property<string>("FirstName")
.HasColumnType("nvarchar(max)");
b.Property<string>("LastName")
.HasColumnType("nvarchar(max)");
b.Property<byte[]>("PasswordHash")
.HasColumnType("varbinary(max)");
b.Property<byte[]>("PasswordSalt")
.HasColumnType("varbinary(max)");
b.Property<string>("Username")
.HasColumnType("nvarchar(max)");
b.HasKey("Id");
b.ToTable("Users");
});
#pragma warning restore 612, 618
}
}
}

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@ -1,34 +0,0 @@
using System;
using Microsoft.EntityFrameworkCore.Migrations;
namespace WebApi.Migrations.SqlServerMigrations
{
public partial class InitialCreate : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "Users",
columns: table => new
{
Id = table.Column<int>(nullable: false)
.Annotation("SqlServer:Identity", "1, 1"),
FirstName = table.Column<string>(nullable: true),
LastName = table.Column<string>(nullable: true),
Username = table.Column<string>(nullable: true),
PasswordHash = table.Column<byte[]>(nullable: true),
PasswordSalt = table.Column<byte[]>(nullable: true)
},
constraints: table =>
{
table.PrimaryKey("PK_Users", x => x.Id);
});
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "Users");
}
}
}

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@ -1,51 +0,0 @@
// <auto-generated />
using System;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using WebApi.Helpers;
namespace WebApi.Migrations.SqlServerMigrations
{
[DbContext(typeof(DataContext))]
partial class DataContextModelSnapshot : ModelSnapshot
{
protected override void BuildModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "3.1.0")
.HasAnnotation("Relational:MaxIdentifierLength", 128)
.HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
modelBuilder.Entity("WebApi.Entities.User", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("int")
.HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
b.Property<string>("FirstName")
.HasColumnType("nvarchar(max)");
b.Property<string>("LastName")
.HasColumnType("nvarchar(max)");
b.Property<byte[]>("PasswordHash")
.HasColumnType("varbinary(max)");
b.Property<byte[]>("PasswordSalt")
.HasColumnType("varbinary(max)");
b.Property<string>("Username")
.HasColumnType("nvarchar(max)");
b.HasKey("Id");
b.ToTable("Users");
});
#pragma warning restore 612, 618
}
}
}

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@ -1,52 +0,0 @@
// <auto-generated />
using System;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using WebApi.Helpers;
namespace WebApi.Migrations.SqliteMigrations
{
[DbContext(typeof(SqliteDataContext))]
[Migration("20200102102942_InitialCreate")]
partial class InitialCreate
{
protected override void BuildTargetModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "3.1.0");
modelBuilder.Entity("WebApi.Entities.User", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("INTEGER");
b.Property<string>("FirstName")
.HasColumnType("TEXT");
b.Property<string>("LastName")
.HasColumnType("TEXT");
b.Property<string>("Initials")
.HasColumnType("TEXT");
b.Property<byte[]>("PasswordHash")
.HasColumnType("BLOB");
b.Property<byte[]>("PasswordSalt")
.HasColumnType("BLOB");
b.Property<string>("Username")
.HasColumnType("TEXT");
b.HasKey("Id");
b.ToTable("Users");
});
#pragma warning restore 612, 618
}
}
}

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@ -1,35 +0,0 @@
using System;
using Microsoft.EntityFrameworkCore.Migrations;
namespace WebApi.Migrations.SqliteMigrations
{
public partial class InitialCreate : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "Users",
columns: table => new
{
Id = table.Column<int>(nullable: false)
.Annotation("Sqlite:Autoincrement", true),
FirstName = table.Column<string>(nullable: true),
LastName = table.Column<string>(nullable: true),
Username = table.Column<string>(nullable: true),
Initials = table.Column<string>(nullable: true),
PasswordHash = table.Column<byte[]>(nullable: true),
PasswordSalt = table.Column<byte[]>(nullable: true)
},
constraints: table =>
{
table.PrimaryKey("PK_Users", x => x.Id);
});
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "Users");
}
}
}

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@ -1,50 +0,0 @@
// <auto-generated />
using System;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using WebApi.Helpers;
namespace WebApi.Migrations.SqliteMigrations
{
[DbContext(typeof(SqliteDataContext))]
partial class SqliteDataContextModelSnapshot : ModelSnapshot
{
protected override void BuildModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "3.1.0");
modelBuilder.Entity("WebApi.Entities.User", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("INTEGER");
b.Property<string>("FirstName")
.HasColumnType("TEXT");
b.Property<string>("LastName")
.HasColumnType("TEXT");
b.Property<string>("Initials")
.HasColumnType("TEXT");
b.Property<byte[]>("PasswordHash")
.HasColumnType("BLOB");
b.Property<byte[]>("PasswordSalt")
.HasColumnType("BLOB");
b.Property<string>("Username")
.HasColumnType("TEXT");
b.HasKey("Id");
b.ToTable("Users");
});
#pragma warning restore 612, 618
}
}
}

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@ -1,13 +0,0 @@
using System.ComponentModel.DataAnnotations;
namespace WebApi.Models.Users
{
public class AuthenticateModel
{
[Required]
public string Username { get; set; }
[Required]
public string Password { get; set; }
}
}

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using System.ComponentModel.DataAnnotations;
namespace WebApi.Models.Users
{
public class RegisterModel
{
[Required]
public string FirstName { get; set; }
[Required]
public string LastName { get; set; }
[Required]
public string Username { get; set; }
[Required]
public string Password { get; set; }
[Required]
public string Initials { get; set; }
}
}

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@ -1,10 +0,0 @@
namespace WebApi.Models.Users
{
public class UpdateModel
{
public string FirstName { get; set; }
public string LastName { get; set; }
public string Username { get; set; }
public string Password { get; set; }
}
}

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namespace WebApi.Models.Users
{
public class UserModel
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Username { get; set; }
public string Initials { get; set; }
}
}

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@ -1,21 +0,0 @@
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;
namespace WebApi
{
public class Program
{
public static void Main(string[] args)
{
CreateHostBuilder(args).Build().Run();
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.UseStartup<Startup>()
.UseUrls("http://localhost:4000");
});
}
}

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@ -1,10 +0,0 @@
{
"profiles": {
"Development": {
"commandName": "Project",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
}
}
}

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using System;
using System.Collections.Generic;
using System.Linq;
using WebApi.Entities;
using WebApi.Helpers;
namespace WebApi.Services
{
public interface IUserService
{
User Authenticate(string username, string password);
IEnumerable<User> GetAll();
User GetById(int id);
User Create(User user, string password);
void Update(User user, string password = null);
void Delete(int id);
}
public class UserService : IUserService
{
private DataContext _context;
public UserService(DataContext context)
{
_context = context;
}
public User Authenticate(string username, string password)
{
if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password))
return null;
var user = _context.Users.SingleOrDefault(x => x.Username == username);
// check if username exists
if (user == null)
return null;
// check if password is correct
if (!VerifyPasswordHash(password, user.PasswordHash, user.PasswordSalt))
return null;
// authentication successful
return user;
}
public IEnumerable<User> GetAll()
{
return _context.Users;
}
public User GetById(int id)
{
return _context.Users.Find(id);
}
public User Create(User user, string password)
{
// validation
if (string.IsNullOrWhiteSpace(password))
throw new AppException("Password is required");
if (_context.Users.Any(x => x.Username == user.Username))
throw new AppException("Username \"" + user.Username + "\" is already taken");
byte[] passwordHash, passwordSalt;
CreatePasswordHash(password, out passwordHash, out passwordSalt);
user.PasswordHash = passwordHash;
user.PasswordSalt = passwordSalt;
_context.Users.Add(user);
_context.SaveChanges();
return user;
}
public void Update(User userParam, string password = null)
{
var user = _context.Users.Find(userParam.Id);
if (user == null)
throw new AppException("User not found");
// update username if it has changed
if (!string.IsNullOrWhiteSpace(userParam.Username) && userParam.Username != user.Username)
{
// throw error if the new username is already taken
if (_context.Users.Any(x => x.Username == userParam.Username))
throw new AppException("Username " + userParam.Username + " is already taken");
user.Username = userParam.Username;
}
// update user properties if provided
if (!string.IsNullOrWhiteSpace(userParam.FirstName))
user.FirstName = userParam.FirstName;
if (!string.IsNullOrWhiteSpace(userParam.LastName))
user.LastName = userParam.LastName;
// update password if provided
if (!string.IsNullOrWhiteSpace(password))
{
byte[] passwordHash, passwordSalt;
CreatePasswordHash(password, out passwordHash, out passwordSalt);
user.PasswordHash = passwordHash;
user.PasswordSalt = passwordSalt;
}
_context.Users.Update(user);
_context.SaveChanges();
}
public void Delete(int id)
{
var user = _context.Users.Find(id);
if (user != null)
{
_context.Users.Remove(user);
_context.SaveChanges();
}
}
// private helper methods
private static void CreatePasswordHash(string password, out byte[] passwordHash, out byte[] passwordSalt)
{
if (password == null) throw new ArgumentNullException("password");
if (string.IsNullOrWhiteSpace(password)) throw new ArgumentException("Value cannot be empty or whitespace only string.", "password");
using (var hmac = new System.Security.Cryptography.HMACSHA512())
{
passwordSalt = hmac.Key;
passwordHash = hmac.ComputeHash(System.Text.Encoding.UTF8.GetBytes(password));
}
}
private static bool VerifyPasswordHash(string password, byte[] storedHash, byte[] storedSalt)
{
if (password == null) throw new ArgumentNullException("password");
if (string.IsNullOrWhiteSpace(password)) throw new ArgumentException("Value cannot be empty or whitespace only string.", "password");
if (storedHash.Length != 64) throw new ArgumentException("Invalid length of password hash (64 bytes expected).", "passwordHash");
if (storedSalt.Length != 128) throw new ArgumentException("Invalid length of password salt (128 bytes expected).", "passwordHash");
using (var hmac = new System.Security.Cryptography.HMACSHA512(storedSalt))
{
var computedHash = hmac.ComputeHash(System.Text.Encoding.UTF8.GetBytes(password));
for (int i = 0; i < computedHash.Length; i++)
{
if (computedHash[i] != storedHash[i]) return false;
}
}
return true;
}
}
}

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using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Hosting;
using WebApi.Helpers;
using WebApi.Services;
using AutoMapper;
using Microsoft.IdentityModel.Tokens;
using System.Text;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using System;
namespace WebApi
{
public class Startup
{
private readonly IWebHostEnvironment _env;
private readonly IConfiguration _configuration;
public Startup(IWebHostEnvironment env, IConfiguration configuration)
{
_env = env;
_configuration = configuration;
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// use sql server db in production and sqlite db in development
if (_env.IsProduction())
services.AddDbContext<DataContext>();
else
services.AddDbContext<DataContext, SqliteDataContext>();
services.AddCors();
services.AddControllers();
services.AddAutoMapper(AppDomain.CurrentDomain.GetAssemblies());
// configure strongly typed settings objects
var appSettingsSection = _configuration.GetSection("AppSettings");
services.Configure<AppSettings>(appSettingsSection);
// configure jwt authentication
var appSettings = appSettingsSection.Get<AppSettings>();
var key = Encoding.ASCII.GetBytes(appSettings.Secret);
services.AddAuthentication(x =>
{
x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(x =>
{
x.Events = new JwtBearerEvents
{
OnTokenValidated = context =>
{
var userService = context.HttpContext.RequestServices.GetRequiredService<IUserService>();
var userId = int.Parse(context.Principal.Identity.Name);
var user = userService.GetById(userId);
if (user == null)
{
// return unauthorized if user no longer exists
context.Fail("Unauthorized");
}
return Task.CompletedTask;
}
};
x.RequireHttpsMetadata = false;
x.SaveToken = true;
x.TokenValidationParameters = new TokenValidationParameters
{
ValidateIssuerSigningKey = true,
IssuerSigningKey = new SymmetricSecurityKey(key),
ValidateIssuer = false,
ValidateAudience = false
};
});
// configure DI for application services
services.AddScoped<IUserService, UserService>();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, DataContext dataContext)
{
// migrate any database changes on startup (includes initial db creation)
dataContext.Database.Migrate();
app.UseRouting();
// global cors policy
app.UseCors(x => x
.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader());
app.UseAuthentication();
app.UseAuthorization();
app.UseEndpoints(endpoints => endpoints.MapControllers());
}
}
}

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<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp3.1</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="AutoMapper" Version="9.0.0" />
<PackageReference Include="AutoMapper.Extensions.Microsoft.DependencyInjection" Version="7.0.0" />
<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.0" />
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.0" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="3.1.0">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.0" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.0" />
<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="5.6.0" />
</ItemGroup>
</Project>

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{
"ConnectionStrings": {
"WebApiDatabase": "Data Source=LocalDatabase.db"
},
"Logging": {
"LogLevel": {
"Default": "Debug",
"System": "Information",
"Microsoft": "Information"
}
}
}

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{
"AppSettings": {
"Secret": "THIS IS USED TO SIGN AND VERIFY JWT TOKENS, REPLACE IT WITH YOUR OWN SECRET, IT CAN BE ANY STRING"
},
"ConnectionStrings": {
"WebApiDatabase": "ENTER PRODUCTION SQL SERVER CONNECTION STRING HERE"
},
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft": "Warning",
"Microsoft.Hosting.Lifetime": "Information"
}
},
"AllowedHosts": "*"
}