fix:와인 모달 이미지 확장자 유효성 검사 및 잘못된 확장자 업로드 방지

src/components/Modal/WineModal/AddWineModal.tsx

@@ -27,6 +27,8 @@ interface AddWineModalProps {
   setShowRegisterModal: (state: boolean) => void;
 }
 const AddWineModal = ({ showRegisterModal, setShowRegisterModal }: AddWineModalProps) => {
+  const ALLOWED_IMAGE_TYPES = ['image/png', 'image/jpeg', 'image/webp'];
+
   const [category, setCategory] = useState('');
   const fileInputRef = useRef<HTMLInputElement | null>(null);
   const [previewImage, setPreviewImage] = useState<string | null>(null);
@@ -38,6 +40,14 @@ const AddWineModal = ({ showRegisterModal, setShowRegisterModal }: AddWineModalP
   const handleImageChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      if (!ALLOWED_IMAGE_TYPES.includes(file.type)) {
+        setPreviewImage(null);
+        setError('wineImage', {
+          type: 'manual',
+          message: '지원하지 않는 이미지 형식입니다. (png, jpg, webp)',
+        });
+        return;
+      }
       const renamedFile = renameFileIfNeeded(file); //이미지파일 이름 정규화
       const imageUrl = URL.createObjectURL(renamedFile);
       setPreviewImage(imageUrl);
@@ -52,6 +62,7 @@ const AddWineModal = ({ showRegisterModal, setShowRegisterModal }: AddWineModalP
     clearErrors,
     trigger,
     setValue,
+    setError,
     reset,
   } = useForm<WineForm>({
     mode: 'onBlur',
@@ -97,11 +108,31 @@ const AddWineModal = ({ showRegisterModal, setShowRegisterModal }: AddWineModalP
     },
   });
   const onSubmit = async (form: WineForm) => {
-    let file = form.wineImage[0];
-    file = renameFileIfNeeded(file); //이미지파일 이름 정규화
+    const file = form.wineImage?.[0];
+
+    // 1. 이미지 없을 때 막기 (선택사항: 이미 react-hook-form required로 막고 있음)
+    if (!file) {
+      setError('wineImage', {
+        type: 'manual',
+        message: '이미지를 업로드해 주세요.',
+      });
+      return;
+    }
+
+    // 2. 확장자 제한
+    if (!ALLOWED_IMAGE_TYPES.includes(file.type)) {
+      setError('wineImage', {
+        type: 'manual',
+        message: '지원하지 않는 이미지 형식입니다. (png, jpg, webp)',
+      });
+      return;
+    }
+
+    // 3. 파일 정규화 및 제출
+    const renamedFile = renameFileIfNeeded(file);
     postWineMutation.mutate({
       ...form,
-      wineImage: [file] as unknown as FileList,
+      wineImage: [renamedFile] as unknown as FileList,
     });
   };
   const categoryOptions = [
@@ -207,7 +238,7 @@ const AddWineModal = ({ showRegisterModal, setShowRegisterModal }: AddWineModalP
         })}
         id='wineImage'
         type='file'
-        accept='image/*'
+        accept='.png, .jpg, .jpeg, .webp'
         className='hidden'
         ref={(e) => {
           register('wineImage').ref(e);

src/components/Modal/WineModal/EditWineModal.tsx

@@ -37,6 +37,8 @@ interface EditWineModalProps {
 }
 
 const EditWineModal = ({ wine, showEditModal, setShowEditModal }: EditWineModalProps) => {
+  const ALLOWED_IMAGE_TYPES = ['image/png', 'image/jpeg', 'image/webp'];
+
   const [previewImage, setPreviewImage] = useState<string | null>(wine.image);
   const fileInputRef = useRef<HTMLInputElement | null>(null);
   const queryClient = useQueryClient();
@@ -49,6 +51,7 @@ const EditWineModal = ({ wine, showEditModal, setShowEditModal }: EditWineModalP
     clearErrors,
     reset,
     setValue,
+    setError,
     trigger,
     watch,
   } = useForm<WineForm>({
@@ -79,6 +82,15 @@ const EditWineModal = ({ wine, showEditModal, setShowEditModal }: EditWineModalP
   const handleImageChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
     if (file) {
+      if (!ALLOWED_IMAGE_TYPES.includes(file.type)) {
+        setPreviewImage(null);
+        setError('wineImage', {
+          type: 'manual',
+          message: '지원하지 않는 이미지 형식입니다. (png, jpg, webp)',
+        });
+        return;
+      }
+
       const renamedFile = renameFileIfNeeded(file);
       setPreviewImage(URL.createObjectURL(renamedFile));
     }
@@ -108,6 +120,16 @@ const EditWineModal = ({ wine, showEditModal, setShowEditModal }: EditWineModalP
   const onSubmit = async (form: WineForm) => {
     try {
       const file = form.wineImage?.[0];
+
+      //파일이 있을 때 확장자 검사
+      if (file && !ALLOWED_IMAGE_TYPES.includes(file.type)) {
+        setError('wineImage', {
+          type: 'manual',
+          message: '지원하지 않는 이미지 형식입니다. (png, jpg, webp)',
+        });
+        return; // 제출 막기
+      }
+
       let imageUrl = wine.image;
 
       if (file) {
@@ -254,7 +276,7 @@ const EditWineModal = ({ wine, showEditModal, setShowEditModal }: EditWineModalP
       <Input
         id='wineImage'
         type='file'
-        accept='image/*'
+        accept='.png, .jpg, .jpeg, .webp'
         className='custom-text-md-regular md:custom-text-lg-regular hidden'
         {...register('wineImage', {
           onChange: (e) => {

src/components/my-profile/ProfileImageInput.tsx

@@ -1,6 +1,7 @@
 import React, { useRef } from 'react';
 
 import Image from 'next/image';
+import { toast } from 'sonner';
 
 import Camera from '@/assets/camera.svg';
 import UserDefaultImg from '@/assets/icons/userDefaultImg.svg';
@@ -45,7 +46,9 @@ export function ProfileImageInput({ imageUrl, onFileSelect }: ProfileImageInputP
     if (file) {
       const allowedTypes = ['image/png', 'image/jpeg', 'image/webp'];
       if (!allowedTypes.includes(file.type)) {
-        alert('지원하지 않는 이미지 형식입니다.');
+        toast.warning('', {
+          description: '지원하지 않는 이미지 형식입니다.',
+        });
         return;
       }