Add login endpoint

http.go

@@ -13,7 +13,9 @@ import (
 )
 
 type HTTPServer struct {
-	store        FileStore
+	Files        FileStore
+	Users        UserStore
+	Auth         *AuthService
 	config       *ServerConfig
 	Logger       *zap.SugaredLogger
 	AccessLogger *zap.SugaredLogger
@@ -26,7 +28,9 @@ func NewHTTPServer(cfg *ServerConfig) *HTTPServer {
 		Logger:       zap.NewNop().Sugar(),
 		AccessLogger: zap.NewNop().Sugar(),
 	}
-	srv.store = NewMemoryFileStore()
+	srv.Files = NewMemoryFileStore()
+	srv.Users = NewMemoryUserStore()
+	srv.Auth = NewAuthService(srv.Users, []byte("test1235"))
 
 	r := chi.NewRouter()
 	r.Use(middleware.RealIP)
@@ -35,6 +39,7 @@ func NewHTTPServer(cfg *ServerConfig) *HTTPServer {
 	r.Get("/", srv.HandlerIndex)
 	r.Post("/api/file", srv.HandlerAPIFilePost)
 	r.Get("/api/file/{id}", srv.HandlerAPIFileGet)
+	r.Post("/api/login", srv.HandlerAPILogin)
 	srv.Handler = r
 
 	return srv
@@ -57,7 +62,7 @@ func (s *HTTPServer) HandlerAPIFilePost(w http.ResponseWriter, r *http.Request)
 		s.processMultiPartFormUpload(w, r)
 		return
 	}
-	err := s.store.Store(f)
+	err := s.Files.Store(f)
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
 		s.Logger.Warnw("Error storing file.", "req_id", reqID, "error", err, "id", f.ID, "remote_addr", r.RemoteAddr)
@@ -87,7 +92,7 @@ func (s *HTTPServer) HandlerAPIFileGet(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	f, err := s.store.Get(id)
+	f, err := s.Files.Get(id)
 	if err != nil {
 		// TODO: LOG
 		w.WriteHeader(http.StatusInternalServerError)
@@ -126,7 +131,7 @@ func (s *HTTPServer) processMultiPartFormUpload(w http.ResponseWriter, r *http.R
 			Body:             ff,
 		}
 
-		if err := s.store.Store(f); err != nil {
+		if err := s.Files.Store(f); err != nil {
 			w.WriteHeader(http.StatusInternalServerError)
 			s.Logger.Warnw("Error storing file.", "req_id", reqID, "error", err, "id", f.ID, "remote_addr", r.RemoteAddr)
 			return
@@ -143,3 +148,34 @@ func (s *HTTPServer) processMultiPartFormUpload(w http.ResponseWriter, r *http.R
 		s.Logger.Warnw("Error encoding response to client.", "req_id", reqID, "error", err, "remote_addr", r.RemoteAddr)
 	}
 }
+
+func (s *HTTPServer) HandlerAPILogin(w http.ResponseWriter, r *http.Request) {
+	reqID := middleware.GetReqID(r.Context())
+	expectedRequest := struct {
+		Username string `json:"username"`
+		Password string `json:"password"`
+	}{}
+	decoder := json.NewDecoder(r.Body)
+	defer r.Body.Close()
+	if err := decoder.Decode(&expectedRequest); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	token, err := s.Auth.Login(expectedRequest.Username, expectedRequest.Password)
+	if err != nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	response := struct {
+		Token string `json:"token"`
+	}{
+		Token: token,
+	}
+
+	encoder := json.NewEncoder(w)
+	if err := encoder.Encode(&response); err != nil {
+		s.Logger.Infow("Error encoding json response to client.", "req_id", reqID, "error", err, "remote_addr", r.RemoteAddr)
+	}
+}

http_test.go

@@ -96,4 +96,48 @@ func TestHandlers(t *testing.T) {
 			}
 		})
 	})
+	t.Run("HandlerAPILogin", func(t *testing.T) {
+		// TODO: Add test
+		username := "admin"
+		password := "admin"
+		user := &gpaste.User{Username: username}
+		if err := user.SetPassword(password); err != nil {
+			t.Fatalf("Error setting user password: %s", err)
+		}
+		if err := hs.Users.Store(user); err != nil {
+			t.Fatalf("Error storing user: %s", err)
+		}
+
+		requestData := struct {
+			Username string `json:"username"`
+			Password string `json:"password"`
+		}{
+			Username: username,
+			Password: password,
+		}
+
+		body := new(bytes.Buffer)
+		encoder := json.NewEncoder(body)
+		if err := encoder.Encode(&requestData); err != nil {
+			t.Fatalf("Error encoding request body: %s", err)
+		}
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest(http.MethodPost, "/api/login", body)
+
+		hs.Handler.ServeHTTP(rr, req)
+
+		responseData := struct {
+			Token string `json:"token"`
+		}{}
+
+		decoder := json.NewDecoder(rr.Body)
+		if err := decoder.Decode(&responseData); err != nil {
+			t.Fatalf("Error decoding response: %s", err)
+		}
+
+		if err := hs.Auth.ValidateToken(responseData.Token); err != nil {
+			t.Fatalf("Unable to validate received token: %s", err)
+		}
+	})
 }