c3b7db7114
- comics: reads pages straight out of the archive on demand. No extraction pass, so a 200-page CBZ is not materialised for a reader who views three pages. Pages are read into memory and served via http.ServeContent, which gives Range for free. - natural page ordering: page2 sorts before page10. Lexical ordering shuffles a numbered archive, which is the difference between a readable book and a scrambled one. - skips __MACOSX and dotfiles; rejects archives with no images. - cover is the first page. - media.Item gained ModTime (from the backing file) so page responses carry a Last-Modified and support conditional GETs. - web: ComicReader with a bounded prefetch window (two pages each way), page jump, keyboard nav, and progress stored as a page number. Verified: 3-page CBZ served in natural order, out-of-range 404, cover from page 1, progress round-trip. svelte-check 0/0.
118 lines
3.2 KiB
Go
118 lines
3.2 KiB
Go
// Command vellum is the unified media server: one process, one database,
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// every media type.
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package main
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/mithral/vellum/internal/auth"
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"github.com/mithral/vellum/internal/core"
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"github.com/mithral/vellum/internal/httpapi"
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"github.com/mithral/vellum/internal/library"
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"github.com/mithral/vellum/internal/media"
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"github.com/mithral/vellum/internal/modules/comics"
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"github.com/mithral/vellum/internal/modules/ebooks"
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"github.com/mithral/vellum/migrations"
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)
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// version is overridden at build time with -ldflags "-X main.version=...".
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var version = "dev"
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func main() {
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if err := run(); err != nil {
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fmt.Fprintln(os.Stderr, "vellum: fatal:", err)
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os.Exit(1)
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}
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}
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func run() error {
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cfg, err := core.LoadConfig()
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if err != nil {
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return err
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}
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log := core.NewLogger(cfg.LogLevel, cfg.LogFormat)
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log.Info("starting vellum", "version", version, "listen", cfg.Listen)
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if err := cfg.Validate(); err != nil {
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return err
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}
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db, err := core.OpenDB(cfg.DBPath)
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if err != nil {
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return err
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}
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defer db.Close()
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migCtx, cancelMig := context.WithTimeout(context.Background(), 60*time.Second)
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err = core.Migrate(migCtx, db, migrations.FS, log)
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cancelMig()
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if err != nil {
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return err
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}
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api := httpapi.New(db, log, version)
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authenticator := auth.NewAuthenticator(db, cfg.CookieName, cfg.SessionTTL, cfg.CookieSecure, log)
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if !cfg.CookieSecure {
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log.Warn("VELLUM_COOKIE_SECURE is false; session cookies will be sent over plain HTTP. " +
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"Set it to true when serving over TLS.")
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}
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if err := auth.EnsureAdminFromEnv(context.Background(), db, log, cfg.AdminUser, cfg.AdminPassword); err != nil {
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return fmt.Errorf("bootstrap admin: %w", err)
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}
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authHandlers := auth.NewHandlers(authenticator, log)
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authHandlers.Register(api.Mux())
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api.SetAuth(authenticator)
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library.NewHandlers(db, log, authenticator).Register(api.Mux())
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media.NewHandlers(db, log, authenticator, cfg.ConfigDir).Register(api.Mux())
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ebooks.NewHandlers(db, log, authenticator).Register(api.Mux())
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comics.NewHandlers(db, log, authenticator).Register(api.Mux())
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srv := &http.Server{
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Addr: cfg.Listen,
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Handler: api.Handler(),
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// ReadHeaderTimeout protects against slowloris. WriteTimeout is
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// deliberately zero: streaming large media files must not be cut off.
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ReadHeaderTimeout: 10 * time.Second,
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ReadTimeout: cfg.ReadTimeout,
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WriteTimeout: cfg.WriteTimeout,
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IdleTimeout: cfg.IdleTimeout,
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ErrorLog: nil,
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}
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errCh := make(chan error, 1)
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go func() {
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log.Info("listening", "addr", cfg.Listen, "data_dir", cfg.DataDir)
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if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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errCh <- err
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}
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}()
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
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select {
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case err := <-errCh:
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return fmt.Errorf("http server: %w", err)
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case sig := <-stop:
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log.Info("shutting down", "signal", sig.String())
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}
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shutdownCtx, cancel := context.WithTimeout(context.Background(), cfg.ShutdownGrace)
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defer cancel()
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if err := srv.Shutdown(shutdownCtx); err != nil {
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return fmt.Errorf("graceful shutdown: %w", err)
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}
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log.Info("stopped")
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return nil
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}
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