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pratikkabadepratikkabade
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Users Entity
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‎backend/.gitignore‎

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/bin
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/obj
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# migration
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/Migrations

‎backend/BackendAPI.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net5.0</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<LinkerRootAssemblies Include="Microsoft.AspNetCore.Mvc.Razor.Extensions;Microsoft.Extensions.FileProviders.Composite;Microsoft.Extensions.Primitives;Microsoft.AspNetCore.Diagnostics.Abstractions" />
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<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="5.0.9" NoWarn="NU1605" />
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<PackageReference Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="5.0.0" NoWarn="NU1605" />
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<PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" />
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<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.12.0" />
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.9" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.9">
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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<PrivateAssets>all</PrivateAssets>
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</PackageReference>
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.9" />
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</ItemGroup>
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<ItemGroup>
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<Folder Include="Models\" />
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</ItemGroup>
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</Project>

‎backend/BackendAPI.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 16
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VisualStudioVersion = 16.0.808.3
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BackendAPI", "BackendAPI.csproj", "{A3E2E05C-8661-425E-87E9-C18D5F8645E1}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{A3E2E05C-8661-425E-87E9-C18D5F8645E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{A3E2E05C-8661-425E-87E9-C18D5F8645E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{A3E2E05C-8661-425E-87E9-C18D5F8645E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{A3E2E05C-8661-425E-87E9-C18D5F8645E1}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {FCF92181-2A3F-4B97-9BEF-063E12B53E0F}
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EndGlobalSection
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EndGlobal

‎backend/Controllers/Users/AdministrationController.cs‎

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using System;
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using System.Collections.Generic;
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using System.IdentityModel.Tokens.Jwt;
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using System.Linq;
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using System.Security.Claims;
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using System.Text;
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using BackendAPI.Models;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Configuration;
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using Microsoft.IdentityModel.Tokens;
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// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
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namespace BackendAPI.Controllers
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{
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[ApiController]
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[Route("api/[controller]")]
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public class AdministrationController : Controller
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{
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private DataBaseContext user_data_context;
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public AdministrationController(DataBaseContext user_data_context)
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{
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this.user_data_context = user_data_context;
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}
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// CREATE, EDIT, DELETE OPERATIONS
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// INDEX
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[Authorize(Roles = "Admin")]
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[HttpGet]
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public IEnumerable<Users> Get()
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{
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return user_data_context.User.ToList();
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}
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// DETAILS
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[HttpGet("{id}")]
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public Users Get(int id)
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{
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return this.user_data_context.User.Where(user => user.UserId == id).FirstOrDefault();
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}
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// CREATE
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[HttpPost]
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public string Post([FromBody] Users New_User)
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{
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this.user_data_context.User.Add(New_User);
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this.user_data_context.SaveChanges();
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return "New User created successfully!";
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}
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// EDIT
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[HttpPut("{id}")]
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public void Put(int id, [FromBody] Users New_User)
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{
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this.user_data_context.User.Update(New_User);
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this.user_data_context.SaveChanges();
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}
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// DELETE
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[HttpDelete("{id}")]
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public void Delete(int id)
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{
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this.user_data_context.User.Remove(this.user_data_context.User.Where(New_User => New_User.UserId == id).FirstOrDefault());
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this.user_data_context.SaveChanges();
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}
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// DETAILS-MAIL
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[HttpGet("email/{email}")]
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public Users GetMail(string email)
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{
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return this.user_data_context.User.Where(user => user.Email == email).FirstOrDefault();
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}
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// EDIT-BYEMAIL
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[HttpPut("email/{email}")]
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public void PutMail(string email, [FromBody] Users New_User)
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{
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this.user_data_context.User.Update(New_User);
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this.user_data_context.SaveChanges();
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}
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// DELETE-BYEMAIL
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[HttpDelete("email/{email}")]
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public void DeleteMail(string email)
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{
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this.user_data_context.User.Remove(this.user_data_context.User.Where(New_User => New_User.Email == email).FirstOrDefault());
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this.user_data_context.SaveChanges();
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}
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}
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}

‎backend/Controllers/Users/AuthenticateController.cs‎

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using System;
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using System.Collections.Generic;
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using System.IdentityModel.Tokens.Jwt;
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using System.Linq;
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using System.Security.Claims;
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using System.Text;
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using BackendAPI.Models;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Configuration;
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using Microsoft.IdentityModel.Tokens;
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// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860
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namespace BackendAPI.Controllers
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{
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[AllowAnonymous]
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[Route("api/[controller]")]
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public class AuthenticateController : Controller
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{
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private DataBaseContext data_context;
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public AuthenticateController(IConfiguration configuration, DataBaseContext data_context)
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{
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Configuration = configuration;
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this.data_context = data_context;
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}
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public IConfiguration Configuration { get; }
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public IActionResult Post()
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{
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var authorizationHeader = Request.Headers["Authorization"].First();
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var key = authorizationHeader.Split(' ')[1];
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var credentials = Encoding.UTF8.GetString(Convert.FromBase64String(key)).Split(':');
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var serverSecret = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration["JWT:ServerSecret"]));
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Users user = this.data_context.User.Where(u => u.Email == credentials[0] && u.Password == credentials[1]).FirstOrDefault();
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if (user != null)
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{
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var result = new
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{
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token = GenerateToken(serverSecret, user)
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};
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return Ok(result);//status code
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}
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return BadRequest("Invalid Email/Password");//status code
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}
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private string GenerateToken(SecurityKey key, Users user)
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{
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var now = DateTime.UtcNow;
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var issuer = Configuration["JWT:Issuer"];
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var audience = Configuration["JWT:Audience"];
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var identity = new ClaimsIdentity(new Claim[]
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{
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new Claim(ClaimTypes.Email, user.Email),
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new Claim(ClaimTypes.Role, user.Role)
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});
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var signingCredentials = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
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var handler = new JwtSecurityTokenHandler();
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var token = handler.CreateJwtSecurityToken(issuer, audience, identity,
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now, now.Add(TimeSpan.FromHours(100)), now, signingCredentials);
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var encodedJwt = handler.WriteToken(token);
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return encodedJwt;
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}
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}
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}

‎backend/Entities/DataBaseContext.cs‎

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using System;
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using Microsoft.EntityFrameworkCore;
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namespace BackendAPI.Models
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{
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public class DataBaseContext : DbContext
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{
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public DataBaseContext(DbContextOptions<DataBaseContext> dbContextOptions) : base(dbContextOptions)
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{
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}
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public DbSet<Users> User { get; set; }
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// GIVING PREDIFINED DATA TO DATABASE
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// CREATING ADMIN USER
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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// CREATING SAMPLE USER
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modelBuilder.Entity<Users>().HasData(
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new Users
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{
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UserId = 1,
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Email = "admin@localhost",
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Password = "Passcode1",
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Role = Roles.Admin
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}
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);
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}
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}
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}

‎backend/Models/Users/Roles.cs‎

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using System;
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namespace BackendAPI.Models
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{
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public class Roles
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{
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public const string Admin = "Admin";
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public const string Doctor = "Doctor";
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public const string Member = "Member";
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}
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}

‎backend/Models/Users/Users.cs‎

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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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namespace BackendAPI.Models
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{
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public class Users
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{
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public Users()
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{
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}
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[Key]
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public int UserId { get; set; }
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// BASIC DATA FIELD
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public string FirstName { get; set; }
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public string LastName { get; set; }
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// AUTHENTICATION DATA FIELD
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public string Email { get; set; }
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public string Password { get; set; }
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// ROLE DATA FIELD
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public string Role { get; set; } = "Member";
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}
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}

‎backend/Program.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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namespace BackendAPI
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{
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public class Program
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{
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public static void Main(string[] args)
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{
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CreateHostBuilder(args).Build().Run();
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}
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public static IHostBuilder CreateHostBuilder(string[] args) =>
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Host.CreateDefaultBuilder(args)
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.ConfigureWebHostDefaults(webBuilder =>
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{
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webBuilder.UseStartup<Startup>();
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webBuilder.UseKestrel(opts =>
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{
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opts.ListenLocalhost(5001, opts => opts.UseHttps());
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});
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});
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}
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}

‎backend/Properties/HTTP/Login.http‎

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# Login
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POST https://localhost:5001/api/authenticate HTTP/1.1
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Authorization: Basic admin@localhost:Passcode1
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