101 lines
3.7 KiB
C#
101 lines
3.7 KiB
C#
using System.Reflection;
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using System.Security.Claims;
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using System.Text;
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using ApplicationLayer;
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using Domains.Users;
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using Infrastructure;
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using Infrastructure.Auth;
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using Microsoft.AspNetCore.Authentication.JwtBearer;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.Extensions.Options;
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using Microsoft.IdentityModel.Tokens;
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using SchengenVisaApi.Common;
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using SchengenVisaApi.ExceptionFilters;
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using Swashbuckle.AspNetCore.SwaggerGen;
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namespace SchengenVisaApi;
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/// Provides methods to add services to DI-container
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public static class DependencyInjection
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{
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/// Add needed services
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public static void RegisterServices(this WebApplicationBuilder builder)
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{
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var config = builder.Configuration;
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var environment = builder.Environment;
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builder.Services
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.AddInfrastructure(config, environment.IsDevelopment())
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.AddApplicationLayer(environment.IsDevelopment())
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.AddAuth(config)
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.AddPresentation(environment);
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}
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/// Add services needed for Presentation layer
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private static void AddPresentation(this IServiceCollection services,
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IWebHostEnvironment environment)
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{
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if (environment.IsDevelopment())
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{
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services.AddSwagger();
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}
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services.AddProblemDetails();
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services.AddControllers(opts => opts.Filters.Add<GlobalExceptionsFilter>());
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}
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/// Adds authentication, authorization and token generator
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private static IServiceCollection AddAuth(this IServiceCollection services, IConfigurationManager configurationManager)
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{
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var parameters = new TokenValidationParameters
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{
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ValidIssuer = configurationManager["JwtSettings:Issuer"],
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ValidAudience = configurationManager["JwtSettings:Audience"],
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IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(configurationManager["JwtSettings:Key"]!)),
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ValidateIssuer = true,
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ValidateAudience = true,
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ValidateLifetime = true,
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ValidateIssuerSigningKey = true
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};
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services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
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.AddJwtBearer(opts => opts.TokenValidationParameters = parameters);
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services.AddAuthorizationBuilder().ConfigureAuthorizationPolicies();
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services.AddTokenGenerator(new TokenGeneratorOptions(
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Issuer: parameters.ValidIssuer!,
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Audience: parameters.ValidAudience!,
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Credentials: new SigningCredentials(parameters.IssuerSigningKey, SecurityAlgorithms.HmacSha256),
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ValidTime: TimeSpan.FromMinutes(30)
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));
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return services;
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}
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/// Configure roles
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private static void ConfigureAuthorizationPolicies(this AuthorizationBuilder builder)
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{
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builder.AddPolicy(
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PolicyConstants.AdminPolicy,
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p => p.RequireClaim(ClaimTypes.Role, Role.Admin.ToString()))
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.AddPolicy(
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PolicyConstants.ApprovingAuthorityPolicy,
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p => p.RequireClaim(ClaimTypes.Role, Role.ApprovingAuthority.ToString()))
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.AddPolicy(
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PolicyConstants.ApplicantPolicy,
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p => p.RequireClaim(ClaimTypes.Role, Role.Applicant.ToString()));
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}
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/// Add swagger
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private static void AddSwagger(this IServiceCollection services)
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{
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services.AddTransient<IConfigureOptions<SwaggerGenOptions>, ConfigureSwaggerOptions>();
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services.AddSwaggerGen(options =>
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{
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var xmlFilename = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
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options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, xmlFilename));
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});
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}
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}
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