hmmhmmhm · hmmhmmhm · May 14, 2026 · May 12, 2026 · May 13, 2026 · May 13, 2026
@@ -35,6 +35,7 @@
                 "daisoFindStores",
                 "daisoCheckInventory",
                 "daisoGetDisplayLocation",
+                "oliveyoungSearchProducts",
                 "oliveyoungFindStores",
                 "oliveyoungCheckInventory",
                 "cuFindStores",
@@ -494,7 +495,7 @@
           "imageUrl": {
             "type": "string",
             "description": "제품 이미지 URL",
-            "example": "https://img.daisomall.co.kr/..."
+            "example": "https://cdn.daisomall.co.kr/..."
           },
           "soldOut": {
             "type": "boolean",
@@ -552,6 +553,36 @@
           }
         }
       },
+      "InventoryProduct": {
+        "type": "object",
+        "description": "재고 응답에 포함되는 상품 요약 정보",
+        "properties": {
+          "id": {
+            "type": "string",
+            "description": "제품 ID"
+          },
+          "name": {
+            "type": "string",
+            "description": "제품명"
+          },
+          "imageUrl": {
+            "type": "string",
+            "description": "제품 이미지 URL"
+          },
+          "brand": {
+            "type": "string",
+            "description": "브랜드명"
+          },
+          "soldOut": {
+            "type": "boolean",
+            "description": "품절 여부"
+          },
+          "isNew": {
+            "type": "boolean",
+            "description": "신상품 여부"
+          }
+        }
+      },
       "Store": {
         "type": "object",
         "description": "매장 정보",
@@ -746,6 +777,9 @@
                 "type": "string",
                 "description": "제품 ID"
               },
+              "product": {
+                "$ref": "#/components/schemas/InventoryProduct"
+              },
               "location": {
                 "type": "object",
                 "properties": {
@@ -849,6 +883,10 @@
             "type": "string",
             "example": "달바 퍼플 톤업 선크림 듀오 기획"
           },
+          "imageUrl": {
+            "type": "string",
+            "example": "https://image.oliveyoung.co.kr/uploads/images/goods/10/0000/0020/A00000020061401ko.jpg"
+          },
           "priceToPay": {
             "type": "integer",
             "example": 32130
@@ -1024,6 +1062,51 @@
           }
         }
       },
+      "OliveyoungProductSearchResponse": {
+        "type": "object",
+        "properties": {
+          "success": {
+            "type": "boolean",
+            "example": true
+          },
+          "data": {
+            "type": "object",
+            "properties": {
+              "keyword": {
+                "type": "string",
+                "example": "마스크팩"
+              },
+              "count": {
+                "type": "integer",
+                "example": 2
+              },
+              "products": {
+                "type": "array",
+                "items": {
+                  "$ref": "#/components/schemas/OliveyoungProduct"
+                }
+              }
+            }
+          },
+          "meta": {
+            "type": "object",
+            "properties": {
+              "total": {
+                "type": "integer"
+              },
+              "page": {
+                "type": "integer"
+              },
+              "pageSize": {
+                "type": "integer"
+              },
+              "nextPage": {
+                "type": "boolean"
+              }
+            }
+          }
+        }
+      },
       "OliveyoungInventoryResponse": {
         "type": "object",
         "properties": {

@@ -36,6 +36,7 @@ paths:
               - daisoFindStores
               - daisoCheckInventory
               - daisoGetDisplayLocation
+              - oliveyoungSearchProducts
               - oliveyoungFindStores
               - oliveyoungCheckInventory
               - cuFindStores
@@ -350,7 +351,7 @@ components:
         imageUrl:
           type: string
           description: 제품 이미지 URL
-          example: "https://img.daisomall.co.kr/..."
+          example: "https://cdn.daisomall.co.kr/..."
         soldOut:
           type: boolean
           description: 품절 여부
@@ -392,6 +393,28 @@ components:
         isNew:
           type: boolean
           description: 신상품 여부
+    InventoryProduct:
+      type: object
+      description: 재고 응답에 포함되는 상품 요약 정보
+      properties:
+        id:
+          type: string
+          description: 제품 ID
+        name:
+          type: string
+          description: 제품명
+        imageUrl:
+          type: string
+          description: 제품 이미지 URL
+        brand:
+          type: string
+          description: 브랜드명
+        soldOut:
+          type: boolean
+          description: 품절 여부
+        isNew:
+          type: boolean
+          description: 신상품 여부
     Store:
       type: object
       description: 매장 정보
@@ -533,6 +556,8 @@ components:
             productId:
               type: string
               description: 제품 ID
+            product:
+              $ref: "#/components/schemas/InventoryProduct"
             location:
               type: object
               properties:
@@ -605,6 +630,9 @@ components:
         goodsName:
           type: string
           example: 달바 퍼플 톤업 선크림 듀오 기획
+        imageUrl:
+          type: string
+          example: "https://image.oliveyoung.co.kr/uploads/images/goods/10/0000/0020/A00000020061401ko.jpg"
         priceToPay:
           type: integer
           example: 32130
@@ -731,6 +759,36 @@ components:
               type: integer
             pageSize:
               type: integer
+    OliveyoungProductSearchResponse:
+      type: object
+      properties:
+        success:
+          type: boolean
+          example: true
+        data:
+          type: object
+          properties:
+            keyword:
+              type: string
+              example: 마스크팩
+            count:
+              type: integer
+              example: 2
+            products:
+              type: array
+              items:
+                $ref: "#/components/schemas/OliveyoungProduct"
+        meta:
+          type: object
+          properties:
+            total:
+              type: integer
+            page:
+              type: integer
+            pageSize:
+              type: integer
+            nextPage:
+              type: boolean
     OliveyoungInventoryResponse:
       type: object
       properties:

@@ -15,9 +15,18 @@ export const DAISOMALL_API = {
   /** 온라인 재고 조회 API */
   ONLINE_STOCK: 'https://mapi.daisomall.co.kr/ms/msg/selOnlStck',
 
-  /** 매장별 재고 조회 API */
+  /** 구 재고 조회 API (현재 403 Unauthorized 발생) */
   STORE_INVENTORY: 'https://mapi.daisomall.co.kr/ms/msg/newIntSelStr',
 
+  /** 현재 사용 중인 인증 토큰 요청 API */
+  AUTH_REQUEST: 'https://fapi.daisomall.co.kr/auth/request',
+
+  /** 현재 사용 중인 위치 기반 매장 조회 API */
+  STORE_SEARCH_V2: 'https://fapi.daisomall.co.kr/ms/msg/selStr',
+
+  /** 현재 사용 중인 매장별 재고 조회 API */
+  STORE_INVENTORY_V2: 'https://fapi.daisomall.co.kr/pd/pdh/selStrPkupStck',
+
   /** 매장 내 상품 진열 위치 조회 API */
   DISPLAY_LOCATION: 'https://fapi.daisomall.co.kr/pdo/selIntPdStDispInfo',
 

@@ -5,6 +5,9 @@
  */
 
 import { type FetchOptions, fetchJson, fetchText, fetchWithTimeout } from '../../utils/http.js';
+import { DAISOMALL_API } from './api.js';
+
+const DAISO_AUTH_KEY = 'PRE_AUTH_ENC_KEY';
 
 const DAISO_DEFAULT_HEADERS = {
   'User-Agent':
@@ -40,3 +43,90 @@ export async function fetchDaisoHtml(url: string, options: FetchOptions = {}): P
     headers: withDaisoHeaders(options.headers),
   });
 }
+
+function base64FromBytes(bytes: Uint8Array): string {
+  /* c8 ignore next -- Node 20 CI always provides Buffer; the fallback below is for browser-like runtimes. */
+  if (typeof Buffer !== 'undefined') {
+    return Buffer.from(bytes).toString('base64');
+  }
+
+  /* c8 ignore start -- Node 20 CI always provides Buffer; this fallback is for browser-like runtimes. */
+  let binary = '';
+  for (const byte of bytes) {
+    binary += String.fromCharCode(byte);
+  }
+
+  if (typeof btoa === 'function') {
+    return btoa(binary);
+  }
+
+  throw new Error('Base64 인코딩을 지원하지 않는 환경입니다.');
+  /* c8 ignore stop */
+}
+
+async function createDaisoAuthHeader(token: string): Promise<string> {
+  const encoder = new TextEncoder();
+  const iv = crypto.getRandomValues(new Uint8Array(16));
+  const key = await crypto.subtle.importKey(
+    'raw',
+    encoder.encode(DAISO_AUTH_KEY),
+    { name: 'AES-CBC' },
+    false,
+    ['encrypt'],
+  );
+  const encrypted = await crypto.subtle.encrypt(
+    { name: 'AES-CBC', iv },
+    key,
+    encoder.encode(token),
+  );
+
+  return `${base64FromBytes(iv)}${base64FromBytes(new Uint8Array(encrypted))}`;
+}
+
+export interface DaisoAuthContext {
+  authorization: string;
+  dmUid: string;
+  cookie: string;
+}
+
+export async function createDaisoAuthContext(): Promise<DaisoAuthContext> {
+  const response = await daisoFetch(DAISOMALL_API.AUTH_REQUEST, {
+    method: 'GET',
+  });
+
+  if (!response.ok) {
+    throw new Error(`다이소 인증 토큰 요청 실패: ${response.status} ${response.statusText}`);
+  }
+
+  const token = (await response.text()).trim();
+  const dmUid = response.headers.get('x-dm-uid')?.trim() || '';
+
+  if (!token) {
+    throw new Error('다이소 인증 토큰이 비어 있습니다.');
+  }
+
+  if (!dmUid) {
+    throw new Error('다이소 인증 응답에 X-DM-UID 헤더가 없습니다.');
+  }
+
+  const authorization = await createDaisoAuthHeader(token);
+  return {
+    authorization: `Bearer ${authorization}`,
+    dmUid,
+    cookie: `DM_UID=${dmUid}`,
+  };
+}
+
+export async function fetchDaisoJsonWithAuth<T>(url: string, options: FetchOptions = {}): Promise<T> {
+  const auth = await createDaisoAuthContext();
+
+  return fetchJson<T>(url, {
+    ...options,
+    headers: withDaisoHeaders({
+      ...options.headers,
+      Authorization: auth.authorization,
+      'X-DM-UID': auth.dmUid,
+      Cookie: auth.cookie,
+    }),
+  });
+}