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justguestbook/cmd/justguestbookd/main.go

91 lines
2.0 KiB
Go

package main
import (
"flag"
"fmt"
"justguestbook/internal/configuration"
"justguestbook/internal/database/sqlite"
"justguestbook/internal/handlers"
"justguestbook/pkg/server"
"log"
"net/netip"
"os"
"os/signal"
"strings"
"syscall"
)
var version string
var configFilePath *string = flag.String("conf", "/etc/justguestbook.yaml", "path to a configuration file")
var showVersion *bool = flag.Bool("v", false, "show version")
func main() {
flag.Parse()
if *showVersion {
fmt.Println("justguestbookd ver.", version, "\nCopyright (c) 2022 Alexander \"Arav\" Andreev <me@arav.top>")
return
}
log.SetFlags(0)
config, err := configuration.LoadConfiguration(*configFilePath)
if err != nil {
log.Fatalln(err)
}
if len(config.Owner.Password) == 0 {
log.Fatalln("empty password is not allowed")
}
db, err := sqlite.New(config.DBPath)
if err != nil {
log.Fatalln("failed to init DB:", err)
}
defer db.Close()
hand := handlers.New(config.Owner.Name, config.Owner.Password, config.AnonymousPosterName, config.PageSize, db, config.CaptchaAddr)
srv := server.NewHttpServer()
srv.GET("/", hand.Entries)
srv.POST("/", hand.New)
srv.PUT("/:entry", hand.Update)
srv.DELETE("/:entry", hand.Delete)
srv.POST("/:entry/reply", hand.Reply)
srv.PUT("/:entry/reply", hand.Update)
srv.DELETE("/:entry/reply", hand.Delete)
var network string
if !strings.ContainsRune(config.ListenOn, ':') {
network = "unix"
defer os.Remove(config.ListenOn)
} else {
ap, err := netip.ParseAddrPort(config.ListenOn)
if err != nil {
log.Fatalln(err)
}
if ap.Addr().Is4() {
network = "tcp4"
} else if ap.Addr().Is6() {
network = "tcp6"
}
}
if err := srv.Start(network, config.ListenOn); err != nil {
log.Fatalln("failed to start a server:", err)
}
doneSignal := make(chan os.Signal, 1)
signal.Notify(doneSignal, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
<-doneSignal
if err := srv.Stop(); err != nil {
log.Fatalln("failed to properly shutdown a server:", err)
}
}