119 lines
3.6 KiB
Go
119 lines
3.6 KiB
Go
package main
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import (
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"context"
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"log"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"git.yuntuo.hk/k2safe/go-omni"
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"git.yuntuo.hk/k2safe/go-omni/auth"
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"git.yuntuo.hk/k2safe/go-omni/database"
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"git.yuntuo.hk/k2safe/go-omni/examples/reference/handler"
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"git.yuntuo.hk/k2safe/go-omni/examples/reference/repository"
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"git.yuntuo.hk/k2safe/go-omni/examples/reference/service"
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"git.yuntuo.hk/k2safe/go-omni/logx"
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_ "github.com/go-sql-driver/mysql"
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)
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func newApp(users service.UserRepository, logger *logx.Logger, options ...omni.Option) *omni.App {
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application := omni.New(options...)
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registerRoutes(application, users, logger, nil, nil)
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return application
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}
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func newProtectedApp(users service.UserRepository, logger *logx.Logger, authenticator auth.Authenticator, options ...omni.Option) *omni.App {
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application := omni.New(options...)
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registerRoutes(application, users, logger, auth.RequireAuth(authenticator), auth.RequireRole("admin"))
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return application
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}
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// Registration and business layers are shared by every network adapter.
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func registerRoutes(application *omni.App, users service.UserRepository, logger *logx.Logger, write, delete omni.Middleware) {
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application.GET("/health", func(ctx *omni.Context) error {
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return ctx.OK(map[string]string{"status": "ok"})
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})
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api := application.Group("/api/v1", handler.RequestLog(logger))
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handler.NewUsers(service.NewUsers(users)).RegisterRoutes(api, write, delete)
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}
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func main() {
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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if err := runReference(ctx); err != nil {
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log.Fatal(err)
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}
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}
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func referenceConfig() (omni.Config, error) {
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settings, err := omni.LoadConfig("")
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if err != nil {
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return settings, err
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}
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// Preserve the example's loopback default and legacy address variable.
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if strings.TrimSpace(os.Getenv("GO_OMNI_HTTP_ADDR")) == "" {
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settings.Address = strings.TrimSpace(os.Getenv("GO_OMNI_ADDR"))
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if settings.Address == "" {
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settings.Address = "127.0.0.1:8080"
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}
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}
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if settings.Log.Service == "" {
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settings.Log.Service = "reference-api"
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}
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if settings.Log.Environment == "" {
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settings.Log.Environment = "local"
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}
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if strings.TrimSpace(os.Getenv("GO_OMNI_LOG_OUTPUT")) == "" {
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settings.Log.Output = "stdout"
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}
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return settings, nil
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}
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func runReference(ctx context.Context) error {
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settings, err := referenceConfig()
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if err != nil {
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return err
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}
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logger, err := logx.New(settings.Log)
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if err != nil {
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return err
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}
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defer logger.Close()
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logx.SetDefault(logger)
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users, closeStorage, storage, err := openUsers(ctx, logger)
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if err != nil {
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return err
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}
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devToken := strings.TrimSpace(os.Getenv("GO_OMNI_DEV_TOKEN"))
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if devToken == "" {
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devToken = "dev-token"
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}
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authenticator := auth.StaticAuthenticator{
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devToken: {UserID: "dev-user", Roles: []string{"admin"}},
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}
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application := newProtectedApp(users, logger, authenticator, omni.WithConfig(settings))
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application.OnShutdown(logger.Close)
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application.OnShutdown(closeStorage)
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logger.Info("starting reference API", "address", settings.Address, "transport", settings.Transport, "tls", settings.TLS.CertFile != "", "storage", storage)
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return application.RunContext(ctx)
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}
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func openUsers(ctx context.Context, logger *logx.Logger) (service.UserRepository, func() error, string, error) {
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if strings.TrimSpace(os.Getenv("GO_OMNI_DB_DSN")) == "" {
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return repository.NewMemoryUsers(), func() error { return nil }, "memory", nil
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}
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cfg, err := database.ConfigFromEnv("GO_OMNI_DB_")
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if err != nil {
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return nil, nil, "", err
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}
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db, err := database.Open(ctx, cfg)
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if err != nil {
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return nil, nil, "", err
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}
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return repository.NewMySQLUsers(db.DB), db.Close, "mysql", nil
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}
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