mirror of
https://github.com/skidoodle/pastebin
synced 2025-10-14 09:44:48 +02:00
102 lines
2.4 KiB
Go
102 lines
2.4 KiB
Go
package main
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//go:generate go tool templ generate
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import (
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"context"
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"flag"
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"log/slog"
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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/skidoodle/pastebin/handler"
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"github.com/skidoodle/pastebin/store"
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)
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// config holds the application configuration.
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type config struct {
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addr string
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maxSize int64
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dbPath string
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ttl time.Duration
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}
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// parseFlags parses command-line flags.
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func parseFlags() *config {
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cfg := &config{}
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flag.StringVar(&cfg.addr, "addr", ":3000", "socket address to bind to")
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flag.Int64Var(&cfg.maxSize, "max-size", 32*1024, "maximum size of a paste in bytes")
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flag.StringVar(&cfg.dbPath, "db-path", "pastebin.db", "path to the database file")
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flag.DurationVar(&cfg.ttl, "ttl", 7*24*time.Hour, "time to live for pastes (e.g., 24h, 7d)")
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flag.Parse()
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return cfg
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}
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func main() {
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cfg := parseFlags()
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logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
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slog.SetDefault(logger)
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storage, err := store.NewBoltStore(cfg.dbPath)
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if err != nil {
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slog.Error("failed to initialize store", "error", err)
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os.Exit(1)
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}
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defer storage.Close()
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go func() {
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ticker := time.NewTicker(1 * time.Hour)
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defer ticker.Stop()
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for {
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<-ticker.C
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storage.Cleanup(cfg.ttl)
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}
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}()
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httpHandler := handler.NewHandler(storage, cfg.maxSize)
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mux := http.NewServeMux()
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mux.HandleFunc("GET /style.css", func(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "view/style.css")
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})
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mux.HandleFunc("GET /", httpHandler.HandleHome)
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mux.HandleFunc("POST /", httpHandler.HandleSet)
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mux.HandleFunc("GET /{id}", httpHandler.HandleGet)
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mux.HandleFunc("GET /{id}/", httpHandler.HandleGet)
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mux.HandleFunc("GET /{id}/{theme}", httpHandler.HandleGet)
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mux.HandleFunc("GET /{id}/{theme}/", httpHandler.HandleGet)
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server := &http.Server{
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Addr: cfg.addr,
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Handler: mux,
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}
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go func() {
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slog.Info("starting http server", "addr", cfg.addr, "maxSize", cfg.maxSize, "dbPath", cfg.dbPath, "ttl", cfg.ttl)
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if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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slog.Error("server error", "err", err)
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os.Exit(1)
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}
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}()
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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slog.Info("shutting down server...")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := server.Shutdown(ctx); err != nil {
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slog.Error("server shutdown failed", "err", err)
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os.Exit(1)
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}
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slog.Info("server exited gracefully")
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}
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