Реорганизация пакета daemon в http.

Упразднён пакет utils.
Удалён обработчик minecraft.php (legacy с самого-самого начала Ely.by)
Добавлены тесты для всех api-запросов.

http/http.go

@@ -0,0 +1,91 @@
+package http
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/gorilla/mux"
+	"github.com/mono83/slf/wd"
+
+	"elyby/minecraft-skinsystem/interfaces"
+)
+
+type Config struct {
+	ListenSpec string
+
+	SkinsRepo interfaces.SkinsRepository
+	CapesRepo interfaces.CapesRepository
+	Logger    wd.Watchdog
+}
+
+func (cfg *Config) Run() error {
+	cfg.Logger.Info(fmt.Sprintf("Starting, HTTP on: %s\n", cfg.ListenSpec))
+
+	listener, err := net.Listen("tcp", cfg.ListenSpec)
+	if err != nil {
+		return err
+	}
+
+	server := &http.Server{
+		ReadTimeout:    60 * time.Second,
+		WriteTimeout:   60 * time.Second,
+		MaxHeaderBytes: 1 << 16,
+		Handler:        cfg.CreateHandler(),
+	}
+
+	go server.Serve(listener)
+
+	s := waitForSignal()
+	cfg.Logger.Info(fmt.Sprintf("Got signal: %v, exiting.", s))
+
+	return nil
+}
+
+func (cfg *Config) CreateHandler() http.Handler {
+	router := mux.NewRouter().StrictSlash(true)
+
+	router.HandleFunc("/skins/{username}", cfg.Skin).Methods("GET")
+	router.HandleFunc("/cloaks/{username}", cfg.Cape).Methods("GET").Name("cloaks")
+	router.HandleFunc("/textures/{username}", cfg.Textures).Methods("GET")
+	router.HandleFunc("/textures/signed/{username}", cfg.SignedTextures).Methods("GET")
+	router.HandleFunc("/skins/{username}/face", cfg.Face).Methods("GET")
+	router.HandleFunc("/skins/{username}/face.png", cfg.Face).Methods("GET")
+	// Legacy
+	router.HandleFunc("/skins", cfg.SkinGET).Methods("GET")
+	router.HandleFunc("/cloaks", cfg.CapeGET).Methods("GET")
+	// 404
+	router.NotFoundHandler = http.HandlerFunc(cfg.NotFound)
+
+	return router
+}
+
+func parseUsername(username string) string {
+	const suffix = ".png"
+	if strings.HasSuffix(username, suffix) {
+		username = strings.TrimSuffix(username, suffix)
+	}
+
+	return username
+}
+
+func buildElyUrl(route string) string {
+	prefix := "http://ely.by"
+	if !strings.HasPrefix(route, prefix) {
+		route = prefix + route
+	}
+
+	return route
+}
+
+func waitForSignal() os.Signal {
+	ch := make(chan os.Signal)
+	signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
+
+	return <-ch
+}