happyDomain/internal/app/app.go

281 lines
7.8 KiB
Go

// This file is part of the happyDomain (R) project.
// Copyright (c) 2020-2024 happyDomain
// Authors: Pierre-Olivier Mercier, et al.
//
// This program is offered under a commercial and under the AGPL license.
// For commercial licensing, contact us at <contact@happydomain.org>.
//
// For AGPL licensing:
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package app
import (
"context"
"log"
"net/http"
"time"
"github.com/gin-contrib/sessions"
"github.com/gin-gonic/gin"
api "git.happydns.org/happyDomain/internal/api/route"
"git.happydns.org/happyDomain/internal/mailer"
"git.happydns.org/happyDomain/internal/newsletter"
"git.happydns.org/happyDomain/internal/session"
"git.happydns.org/happyDomain/internal/storage"
"git.happydns.org/happyDomain/internal/usecase"
authuserUC "git.happydns.org/happyDomain/internal/usecase/authuser"
sessionUC "git.happydns.org/happyDomain/internal/usecase/session"
"git.happydns.org/happyDomain/model"
"git.happydns.org/happyDomain/web"
)
type Usecases struct {
authentication happydns.AuthenticationUsecase
authUser happydns.AuthUserUsecase
domain happydns.DomainUsecase
domainLog happydns.DomainLogUsecase
provider happydns.ProviderUsecase
providerAdmin happydns.ProviderUsecase
providerSpecs happydns.ProviderSpecsUsecase
providerSettings happydns.ProviderSettingsUsecase
resolver happydns.ResolverUsecase
session happydns.SessionUsecase
service happydns.ServiceUsecase
serviceSpecs happydns.ServiceSpecsUsecase
user happydns.UserUsecase
zone happydns.ZoneUsecase
}
type App struct {
cfg *happydns.Options
mailer *mailer.Mailer
newsletter happydns.NewsletterSubscriptor
router *gin.Engine
srv *http.Server
insights *insightsCollector
store storage.Storage
usecases Usecases
}
func (a *App) AuthenticationUsecase() happydns.AuthenticationUsecase {
return a.usecases.authentication
}
func (a *App) AuthUserUsecase() happydns.AuthUserUsecase {
return a.usecases.authUser
}
func (a *App) DomainUsecase() happydns.DomainUsecase {
return a.usecases.domain
}
func (a *App) DomainLogUsecase() happydns.DomainLogUsecase {
return a.usecases.domainLog
}
func (a *App) ProviderUsecase(secure bool) happydns.ProviderUsecase {
if secure {
return a.usecases.provider
} else {
return a.usecases.providerAdmin
}
}
func (a *App) ProviderSettingsUsecase() happydns.ProviderSettingsUsecase {
return a.usecases.providerSettings
}
func (a *App) ProviderSpecsUsecase() happydns.ProviderSpecsUsecase {
return a.usecases.providerSpecs
}
func (a *App) ResolverUsecase() happydns.ResolverUsecase {
return a.usecases.resolver
}
func (a *App) ServiceUsecase() happydns.ServiceUsecase {
return a.usecases.service
}
func (a *App) ServiceSpecsUsecase() happydns.ServiceSpecsUsecase {
return a.usecases.serviceSpecs
}
func (a *App) SessionUsecase() happydns.SessionUsecase {
return a.usecases.session
}
func (a *App) UserUsecase() happydns.UserUsecase {
return a.usecases.user
}
func (a *App) ZoneUsecase() happydns.ZoneUsecase {
return a.usecases.zone
}
func NewApp(cfg *happydns.Options) *App {
app := &App{
cfg: cfg,
}
app.initMailer()
app.initStorageEngine()
app.initNewsletter()
app.initInsights()
app.initUsecases()
app.setupRouter()
return app
}
func NewAppWithStorage(cfg *happydns.Options, store storage.Storage) *App {
app := &App{
cfg: cfg,
store: store,
}
app.initMailer()
app.initNewsletter()
app.initUsecases()
app.setupRouter()
return app
}
func (app *App) initMailer() {
if app.cfg.MailSMTPHost != "" {
app.mailer = &mailer.Mailer{
MailFrom: &app.cfg.MailFrom,
SendMethod: mailer.NewSMTPMailer(app.cfg.MailSMTPHost, app.cfg.MailSMTPPort, app.cfg.MailSMTPUsername, app.cfg.MailSMTPPassword),
}
if app.cfg.MailSMTPTLSSNoVerify {
app.mailer.SendMethod.(*mailer.SMTPMailer).WithTLSNoVerify()
}
} else if !app.cfg.NoMail {
app.mailer = &mailer.Mailer{
MailFrom: &app.cfg.MailFrom,
SendMethod: &mailer.SystemSendmail{},
}
}
}
func (app *App) initStorageEngine() {
if s, ok := storage.StorageEngines[app.cfg.StorageEngine]; !ok {
log.Fatalf("Nonexistent storage engine: %q, please select one of: %v", app.cfg.StorageEngine, storage.GetStorageEngines())
} else {
var err error
log.Println("Opening database...")
app.store, err = s()
if err != nil {
log.Fatal("Could not open the database: ", err)
}
log.Println("Performing database migrations...")
if err = app.store.MigrateSchema(); err != nil {
log.Fatal("Could not migrate database: ", err)
}
}
}
func (app *App) initNewsletter() {
if app.cfg.ListmonkURL.String() != "" {
app.newsletter = &newsletter.ListmonkNewsletterSubscription{
ListmonkURL: &app.cfg.ListmonkURL,
ListmonkId: app.cfg.ListmonkId,
}
} else {
app.newsletter = &newsletter.DummyNewsletterSubscription{}
}
}
func (app *App) initInsights() {
if !app.cfg.OptOutInsights {
app.insights = &insightsCollector{
cfg: app.cfg,
store: app.store,
stop: make(chan bool),
}
}
}
func (app *App) initUsecases() {
sessionService := sessionUC.NewSessionUsecases(app.store)
app.usecases.providerSpecs = usecase.NewProviderSpecsUsecase()
app.usecases.provider = usecase.NewProviderUsecase(app.cfg, app.store)
app.usecases.providerSettings = usecase.NewProviderSettingsUsecase(app.cfg, app.usecases.provider, app.store)
app.usecases.service = usecase.NewServiceUsecase()
app.usecases.serviceSpecs = usecase.NewServiceSpecsUsecase()
app.usecases.zone = usecase.NewZoneUsecase(app.usecases.provider, app.usecases.service, app.store)
app.usecases.domainLog = usecase.NewDomainLogUsecase(app.store)
app.usecases.domain = usecase.NewDomainUsecase(app.store, app.usecases.domainLog, app.usecases.provider, app.usecases.zone)
app.usecases.user = usecase.NewUserUsecase(app.store, app.newsletter)
app.usecases.authentication = usecase.NewAuthenticationUsecase(app.cfg, app.store, app.usecases.user)
app.usecases.authUser = authuserUC.NewAuthUserUsecases(app.cfg, app.mailer, app.store, sessionService.CloseUserSessionsUC)
app.usecases.resolver = usecase.NewResolverUsecase(app.cfg)
app.usecases.session = sessionService
}
func (app *App) setupRouter() {
if app.cfg.DevProxy == "" {
gin.SetMode(gin.ReleaseMode)
}
gin.ForceConsoleColor()
app.router = gin.New()
app.router.Use(gin.Logger(), gin.Recovery(), sessions.Sessions(
session.COOKIE_NAME,
session.NewSessionStore(app.cfg, app.store, []byte(app.cfg.JWTSecretKey)),
))
api.DeclareRoutes(app.cfg, app.router, app)
web.DeclareRoutes(app.cfg, app.router)
}
func (app *App) Start() {
app.srv = &http.Server{
Addr: app.cfg.Bind,
Handler: app.router,
ReadHeaderTimeout: 15 * time.Second,
}
if app.insights != nil {
go app.insights.Run()
}
log.Printf("Public interface listening on %s\n", app.cfg.Bind)
if err := app.srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("listen: %s\n", err)
}
}
func (app *App) Stop() {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := app.srv.Shutdown(ctx); err != nil {
log.Fatal("Server Shutdown:", err)
}
// Close storage
if app.store != nil {
app.store.Close()
}
if app.insights != nil {
app.insights.Close()
}
}