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password/cmdServe.go
Knut Ahlers 78cab7a245
Fix: Serve needs to provide proper mime types
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2018-12-30 11:23:30 +01:00

85 lines
2.2 KiB
Go

package main
import (
"fmt"
"log"
"mime"
"net/http"
"path"
"strconv"
"github.com/gorilla/mux"
"github.com/spf13/cobra"
pwd "github.com/Luzifer/password/lib"
)
func getCmdServe() *cobra.Command {
cmd := cobra.Command{
Use: "serve",
Short: "start an API server to request passwords",
Run: actionCmdServe,
}
cmd.Flags().IntVar(&flags.Server.Port, "port", 3000, "port to listen on")
return &cmd
}
func actionCmdServe(cmd *cobra.Command, args []string) {
r := mux.NewRouter()
r.HandleFunc("/", handleFrontend).Methods("GET")
r.PathPrefix("/assets").HandlerFunc(handleAssets).Methods("GET")
r.HandleFunc("/v1/getPassword", handleAPIGetPasswordv1).Methods("GET")
http.Handle("/", r)
http.ListenAndServe(fmt.Sprintf(":%d", flags.Server.Port), nil)
}
func handleAPIGetPasswordv1(res http.ResponseWriter, r *http.Request) {
length, err := strconv.Atoi(r.URL.Query().Get("length"))
if err != nil {
length = 20
}
special := r.URL.Query().Get("special") == "true"
xkcd := r.URL.Query().Get("xkcd") == "true"
prependDate := r.URL.Query().Get("date") != "false"
if length > 128 || length < 4 {
http.Error(res, "Please do not use length with more than 128 or fewer than 4 characters!", http.StatusNotAcceptable)
return
}
var password string
if xkcd {
password, err = pwd.DefaultXKCD.GeneratePassword(length, prependDate)
} else {
password, err = pwd.NewSecurePassword().GeneratePassword(length, special)
}
res.Header().Add("Content-Type", "text/plain")
res.Header().Add("Cache-Control", "no-cache")
res.Write([]byte(password))
}
func handleFrontend(res http.ResponseWriter, r *http.Request) {
res.Header().Add("Content-Type", "text/html")
buf, err := Asset("frontend/index.html")
if err != nil {
http.Error(res, "Unable to load interface", http.StatusInternalServerError)
log.Println(err)
return
}
res.Write(buf)
}
func handleAssets(res http.ResponseWriter, r *http.Request) {
buf, err := Asset(fmt.Sprintf("frontend%s", r.URL.Path))
if err != nil {
http.Error(res, "Unable to load interface", http.StatusInternalServerError)
return
}
res.Header().Set("Content-Type", mime.TypeByExtension(path.Base(r.URL.Path)))
res.Write(buf)
}