84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
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package main
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import (
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"net/http"
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"os"
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"time"
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"github.com/gorilla/mux"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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httpHelper "github.com/Luzifer/go_helpers/v2/http"
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"github.com/Luzifer/rconfig/v2"
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)
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var (
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cfg = struct {
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Listen string `flag:"listen" default:":3000" description:"Port/IP to listen on"`
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LogLevel string `flag:"log-level" default:"info" description:"Log level (debug, info, warn, error, fatal)"`
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RootDir string `flag:"root-dir,r" default:"" vardefault:"rootDir" description:"Where to store files / get files from"`
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VersionAndExit bool `flag:"version" default:"false" description:"Prints current version and exits"`
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}{}
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version = "dev"
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)
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func initApp() error {
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rconfig.SetVariableDefaults(map[string]string{
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"rootDir": mustMkdirTemp(),
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})
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rconfig.AutoEnv(true)
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if err := rconfig.ParseAndValidate(&cfg); err != nil {
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return errors.Wrap(err, "parsing cli options")
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}
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l, err := logrus.ParseLevel(cfg.LogLevel)
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if err != nil {
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return errors.Wrap(err, "parsing log-level")
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}
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logrus.SetLevel(l)
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return nil
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}
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func main() {
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var err error
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if err = initApp(); err != nil {
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logrus.WithError(err).Fatal("initializing app")
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}
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if cfg.VersionAndExit {
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logrus.WithField("version", version).Info("hold-this")
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os.Exit(0)
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}
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router := mux.NewRouter()
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router.PathPrefix("/").Methods(http.MethodDelete).HandlerFunc(handleDelete)
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router.PathPrefix("/").Methods(http.MethodGet).HandlerFunc(handleGet)
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router.PathPrefix("/").Methods(http.MethodPost, http.MethodPut).HandlerFunc(handlePut)
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var hdl http.Handler = router
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hdl = httpHelper.GzipHandler(hdl)
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hdl = httpHelper.NewHTTPLogHandlerWithLogger(hdl, logrus.StandardLogger())
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server := &http.Server{
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Addr: cfg.Listen,
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Handler: hdl,
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ReadHeaderTimeout: time.Second,
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}
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logrus.WithField("version", version).WithField("root_dir", cfg.RootDir).Info("hold-this started")
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if err = server.ListenAndServe(); err != nil {
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logrus.WithError(err).Fatal("listening for HTTP traffic")
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}
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}
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func mustMkdirTemp() string {
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td, err := os.MkdirTemp("", "")
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if err != nil {
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panic(err)
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}
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return td
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}
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