mirror of
https://github.com/Luzifer/ots.git
synced 2024-06-26 14:12:14 +00:00
120 lines
2.9 KiB
Go
120 lines
2.9 KiB
Go
package main
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//go:generate go-bindata -pkg $GOPACKAGE -o assets.go -modtime 1 -md5checksum ./frontend/...
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import (
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"fmt"
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"mime"
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"net/http"
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"os"
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"path"
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"strings"
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"github.com/gorilla/mux"
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log "github.com/sirupsen/logrus"
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http_helpers "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:"IP/Port to listen on"`
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LogLevel string `flag:"log-level" default:"info" description:"Set log level (debug, info, warning, error)"`
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StorageType string `flag:"storage-type" default:"mem" description:"Storage to use for putting secrets to" validate:"nonzero"`
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VersionAndExit bool `flag:"version" default:"false" description:"Print version information and exit"`
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}
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product = "ots"
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version = "dev"
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)
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func init() {
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if err := rconfig.ParseAndValidate(&cfg); err != nil {
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log.Fatalf("Error parsing CLI arguments: %s", err)
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}
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if l, err := log.ParseLevel(cfg.LogLevel); err == nil {
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log.SetLevel(l)
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} else {
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log.Fatalf("Invalid log level: %s", err)
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}
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if cfg.VersionAndExit {
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fmt.Printf("%s %s\n", product, version)
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os.Exit(0)
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}
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}
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func main() {
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store, err := getStorageByType(cfg.StorageType)
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if err != nil {
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log.Fatalf("Could not initialize storage: %s", err)
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}
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api := newAPI(store)
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r := mux.NewRouter()
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api.Register(r.PathPrefix("/api").Subrouter())
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r.HandleFunc("/vars.js", handleVars)
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r.PathPrefix("/").HandlerFunc(http_helpers.GzipFunc(assetDelivery))
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log.Fatalf("HTTP server quit: %s", http.ListenAndServe(cfg.Listen, http_helpers.NewHTTPLogHandler(r)))
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}
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func assetDelivery(res http.ResponseWriter, r *http.Request) {
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assetName := r.URL.Path
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if assetName == "/" {
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assetName = "/index.html"
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}
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dot := strings.LastIndex(assetName, ".")
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if dot < 0 {
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// There are no assets with no dot in it
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http.Error(res, "404 not found", http.StatusNotFound)
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return
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}
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ext := assetName[dot:]
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assetData, err := Asset(path.Join("frontend", assetName))
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if err != nil {
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http.Error(res, "404 not found", http.StatusNotFound)
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return
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}
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res.Header().Set("Content-Type", mime.TypeByExtension(ext))
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res.Write(assetData)
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}
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func handleVars(w http.ResponseWriter, r *http.Request) {
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cookie, _ := r.Cookie("lang")
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cookieLang := ""
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if cookie != nil {
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cookieLang = cookie.Value
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}
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acceptLang := r.Header.Get("Accept-Language")
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defaultLang := "en" // known valid language
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vars := map[string]string{
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"version": version,
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}
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switch {
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case cookieLang != "":
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vars["locale"] = normalizeLang(cookieLang)
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case acceptLang != "":
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vars["locale"] = normalizeLang(strings.Split(acceptLang, ",")[0])
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default:
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vars["locale"] = defaultLang
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}
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w.Header().Set("Content-Type", "application/javascript")
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for k, v := range vars {
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fmt.Fprintf(w, "var %s = %q\n", k, v)
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}
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}
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func normalizeLang(lang string) string {
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return strings.ToLower(strings.Split(lang, "-")[0])
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}
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