// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// retrieve smtp config from environment variable (needed for configuring both identity email confirm and email service)
string smtpConfig = Configuration.GetValue <string>("BOOKING_SMTP");
// determine whether email confirmation should be configured (enable for testing)
bool emailConfirmation = string.IsNullOrEmpty(smtpConfig) ? HostingEnvironment.IsEnvironment("Development_WebAPI_Test") ? true : false : true;
// configure data protection rules explicitly (linux hosts require this for the persistence of keys)
// note: for production environments, set up a protector to interface with an external HSM/Key management system
services.AddDataProtection()
.SetApplicationName("angularbooking")
.PersistKeysToFileSystem(new DirectoryInfo("/keys"));
// configure CORS
services.AddCors(options =>
{
options.AddPolicy("Default", builder =>
builder.
AllowAnyHeader().
AllowAnyOrigin().
AllowAnyMethod().
AllowCredentials()
);
});
// configure CSRF
services.AddAntiforgery(options =>
{
options.HeaderName = "X-XSRF-TOKEN";
options.SuppressXFrameOptionsHeader = false;
});
// configure MVC
services.AddMvc(options =>
{
options.Filters.Add(new AutoValidateAntiforgeryTokenAttribute());
})
.SetCompatibilityVersion(CompatibilityVersion.Version_2_1)
.AddJsonOptions(options =>
{
options.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
options.SerializerSettings.DateTimeZoneHandling = DateTimeZoneHandling.Utc;
});
services.AddSpaStaticFiles(conf =>
{
conf.RootPath = "ClientApp/dist";
});
// configure global CORS policy
services.Configure <MvcOptions>(options =>
{
options.Filters.Add(new CorsAuthorizationFilterFactory("Default"));
});
// add EF
services.AddEntityFrameworkSqlite()
.AddDbContext <ApplicationDbContext>(options =>
{
if (HostingEnvironment.IsEnvironment("Development_WebAPI_Test"))
{
// configure in-memory WebAPI test environment
options.UseSqlite(_connection);
}
else
{
options.UseSqlite("DataSource=local.db");
}
});
// add Identity
services.AddIdentity <User, IdentityRole>(config =>
{
config.SignIn.RequireConfirmedEmail = emailConfirmation;
})
.AddEntityFrameworkStores <ApplicationDbContext>()
.AddDefaultTokenProviders();
// add JWT auth
// clear default claims
JwtSecurityTokenHandler.DefaultInboundClaimTypeMap.Clear();
// specify jwt key
string jwtKey = Configuration["JWT_KEY"];
// configure default authentication scheme
services.AddAuthentication(options =>
{
options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
}).AddJwtBearer(options =>
{
options.SaveToken = true;
options.TokenValidationParameters = new TokenValidationParameters
{
ValidIssuer = Configuration["JWT_ISSUER"],
ValidAudience = Configuration["JWT_AUDIENCE"],
// todo - use injected key from docker/kubernetes secret manager
IssuerSigningKey = new SymmetricSecurityKey(
Encoding.UTF8.GetBytes(jwtKey)),
ClockSkew = TimeSpan.Zero,
};
options.Events = new JwtBearerEvents
{
OnTokenValidated = (content) =>
{
// get service for jwt manager
IJwtManager jwtManager = content.HttpContext.RequestServices.GetService <IJwtManager>();
JwtSecurityToken token = (JwtSecurityToken)content.SecurityToken;
// check against revocation list, and fail auth if on list
if (jwtManager.IsRevoked(token))
{
content.Fail("Refused: token has been revoked");
return(Task.CompletedTask);
}
return(Task.CompletedTask);
}
};
});
services.AddOData();
// add service for sending basic emails (BasicEmailService for local testing only, NOT for production use)
string emailPickupDirectory = HostingEnvironment.IsEnvironment("Development_WebAPI_Test") ?
Path.Combine(Environment.CurrentDirectory, "test_email") : null;
services.AddTransient <IEmailService, BasicEmailService>(f => new BasicEmailService(emailPickupDirectory, smtpConfig));
// add service for accessing application data layer
services.AddScoped <IUnitOfWork, DbUnitOfWork>();
// service for managing JWT creation and revocation
services.AddSingleton <IJwtManager, InMemoryJwtManager>(f => new InMemoryJwtManager(Configuration, jwtKey));
}
