[handlers] rewrite location

Author: capcom6

internal/config/module.go

@@ -80,7 +80,7 @@ var Module = fx.Module(
 	}),
 	fx.Provide(func(cfg Config) handlers.Config {
 		// Default and normalize API path/host
-		if cfg.HTTP.API.Path == "" {
+		if cfg.HTTP.API.Host == "" {
 			cfg.HTTP.API.Path = "/api"
 		}
 		// Ensure leading slash and trim trailing slash (except root)

internal/sms-gateway/handlers/root.go

@@ -1,7 +1,9 @@
 package handlers
 
 import (
+	"fmt"
 	"path"
+	"strings"
 
 	"github.com/android-sms-gateway/server/internal/sms-gateway/openapi"
 	"github.com/gofiber/fiber/v2"
@@ -15,6 +17,21 @@ type rootHandler struct {
 }
 
 func (h *rootHandler) Register(app *fiber.App) {
+	if h.config.PublicPath != "/api" {
+		app.Use(func(c *fiber.Ctx) error {
+			err := c.Next()
+
+			location := c.GetRespHeader(fiber.HeaderLocation)
+			if after, ok := strings.CutPrefix(location, "/api"); ok {
+				c.Set(fiber.HeaderLocation, path.Join(h.config.PublicPath, after))
+			}
+
+			fmt.Printf("Request: %s %s\n", c.Method(), location)
+
+			return err
+		})
+	}
+
 	h.healthHandler.Register(app)
 
 	h.registerOpenAPI(app)
@@ -27,7 +44,7 @@ func (h *rootHandler) registerOpenAPI(router fiber.Router) {
 
 	router.Use(func(c *fiber.Ctx) error {
 		if c.Path() == "/api" || c.Path() == "/api/" {
-			return c.Redirect(path.Join(h.config.PublicPath, "docs"), fiber.StatusMovedPermanently)
+			return c.Redirect("/api/docs", fiber.StatusMovedPermanently)
 		}
 
 		return c.Next()