passed/routes/get_password.go

package routes

import (
	"encoding/json"
	"net/http"

	"git.1e99.eu/1e99/passed/storage"
)

func GetPassword(store storage.Store) http.HandlerFunc {
	return func(res http.ResponseWriter, req *http.Request) {
		id := req.PathValue("id")
		password, err := store.Get(id)
		switch {
		case err == storage.ErrNotFound:
			http.Error(res, "Password not found", http.StatusNotFound)
			return
		case err != nil:
			http.Error(res, "", http.StatusInternalServerError)
			return
		}

		err = store.Delete(id)
		if err != nil {
			http.Error(res, "", http.StatusInternalServerError)
			return
		}

		resBody := struct {
			// Go automatically encodes byte arrays using Base64
			Password []byte `json:"password"`
		}{
			Password: password,
		}
		err = json.NewEncoder(res).Encode(&resBody)
		if err != nil {
			http.Error(res, "", http.StatusInternalServerError)
			return
		}
	}
}