feat: implement redirector api

api/v1/redirector.go

@@ -0,0 +1,37 @@
+package v1
+
+import (
+	"net/http"
+
+	"github.com/boojack/shortify/store"
+	"github.com/labstack/echo/v4"
+)
+
+func (s *APIV1Service) registerRedirectorRoutes(g *echo.Group) {
+	g.GET("/*", func(c echo.Context) error {
+		ctx := c.Request().Context()
+		if len(c.ParamValues()) == 0 {
+			return echo.NewHTTPError(http.StatusBadRequest, "Invalid shortcut name")
+		}
+		shortcutName := c.ParamValues()[0]
+		shortcut, err := s.Store.GetShortcut(ctx, &store.FindShortcut{
+			Name: &shortcutName,
+		})
+		if err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, "Failed to get shortcut").SetInternal(err)
+		}
+		if shortcut == nil {
+			return echo.NewHTTPError(http.StatusNotFound, "Shortcut not found")
+		}
+		if shortcut.Visibility != store.VisibilityPublic {
+			userID, ok := c.Get(getUserIDContextKey()).(int)
+			if !ok {
+				return echo.NewHTTPError(http.StatusUnauthorized, "Unauthorized")
+			}
+			if shortcut.Visibility == store.VisibilityPrivate && shortcut.CreatorID != userID {
+				return echo.NewHTTPError(http.StatusUnauthorized, "Unauthorized")
+			}
+		}
+		return c.Redirect(http.StatusSeeOther, shortcut.Link)
+	})
+}

api/v1/v1.go

@@ -19,9 +19,13 @@ func NewAPIV1Service(profile *profile.Profile, store *store.Store) *APIV1Service
 	}
 }
 
-func (s *APIV1Service) Start(apiV1Group *echo.Group, secret string) {
+func (s *APIV1Service) Start(apiGroup *echo.Group, secret string) {
+	apiV1Group := apiGroup.Group("/api/v1")
 	s.registerSystemRoutes(apiV1Group)
 	s.registerAuthRoutes(apiV1Group, secret)
 	s.registerUserRoutes(apiV1Group)
 	s.registerShortcutRoutes(apiV1Group)
+
+	redirectorGroup := apiGroup.Group("/o")
+	s.registerRedirectorRoutes(redirectorGroup)
 }