Backend/C_shape/WEBAPI/JWT/JWTdemo/Program.cs

using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using JWTdemo.Authorization;
using JWTdemo.Helpers;
using System.Configuration;
using System.Reflection;
using JWTdemo.Services;
using Microsoft.IdentityModel.Tokens;
using System.Text;
using Microsoft.OpenApi.Models;


var builder = WebApplication.CreateBuilder(args);

builder.Services.AddCors();
builder.Services.AddControllers();

// Add services to the container.
//builder.Services.AddControllersWithViews();

//*------------------------------連線PostgreSQL資料庫-----------------------------------------------
var connectionString = "Server=localhost;UserID=postgres;Password=vip125125;Database=postgres;port=5432;";
builder.Services.AddDbContext<SqlContext>(opt => opt.UseNpgsql(connectionString));

//*---------------------------------JWT身分驗證-------------------------------------------------------
{
    var services = builder.Services;
    services.AddCors();
    services.AddControllers();
    services.Configure<AppSettings>(builder.Configuration.GetSection("AppSettings"));
    var jwtSettings = builder.Configuration.GetSection("AppSettings").Get<AppSettings>();

    services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = false,
            ValidateAudience = false,
            ValidateIssuerSigningKey = true,
            //ValidIssuer = "your_issuer",
            // ValidAudience = "your_audience",
            ClockSkew = TimeSpan.Zero,
            IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwtSettings.Secret))
        };
    });
    services.AddSwaggerGen(c =>
    {
        c.SwaggerDoc("v1", new OpenApiInfo { Title = "WebApi_data_value", Version = "v1" });

        // Configure Swagger to use JWT authentication
        c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
        {
            Description = "JWT Authorization header using the Bearer scheme",
            Name = "Authorization",
            In = ParameterLocation.Header,
            Type = SecuritySchemeType.ApiKey,
            Scheme = "Bearer"
        });

        // 将JWT令牌作为所有端点的要求添加到Swagger文档
        c.AddSecurityRequirement(new OpenApiSecurityRequirement
            {
                {
                    new OpenApiSecurityScheme
                    {
                        Reference = new OpenApiReference
                        {
                            Type = ReferenceType.SecurityScheme,
                            Id = "Bearer"
                        }
                    },
                    new string[] { }
                }
            });
    });

    // configure DI for application services
    services.AddScoped<IJwtUtils, JwtUtils>();
    services.AddScoped<IUserService, UserService>();
    // 注册 HttpClient 服务
    services.AddHttpClient();
}


//*---------------------------創專案就有--------------------------
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

//*---------------------------WebAPI註解設定--------------------------
builder.Services.AddSwaggerGen(options =>
{
    var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
    options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
});
var app = builder.Build();
//*---------------------------JWT身分驗證------------------------------
{
    // global cors policy
    //在 ASP.NET Core 中啟用 CORS (跨原始來源要求)
    // Shows UseCors with CorsPolicyBuilder.
    app.UseCors(x => x
        .AllowAnyOrigin()
        .AllowAnyMethod()
        .AllowAnyHeader());

    // custom jwt auth middleware
    app.UseMiddleware<JwtMiddleware>();

    app.MapControllers();
}

//-------------------------Swagger初始化-------------------------------------
if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI(c =>
    {
        c.SwaggerEndpoint("/swagger/v1/swagger.json", "JWTdemo");       //API註解開啟
    });
}

app.UseHttpsRedirection();

app.UseAuthorization();

app.MapControllers();

app.Run();