fix(kuaishou): 支持网页端 REST 接口签名请求

- 新增页面签名环境捕获脚本，通过 caver 属性赋值轨迹获取签名调用入口
- 作品列表/关键词搜索接口迁移到带签名的 REST v2 请求，并显式校验 result 状态码
- 修复分页停止条件，空列表时结束翻页
- 更新默认创作者主页 ID

media_platform/kuaishou/core.py

@@ -44,7 +44,11 @@ from var import comment_tasks_var, crawler_type_var, source_keyword_var
 
 from .client import KuaiShouClient
 from .exception import DataFetchError
-from .help import parse_video_info_from_url, parse_creator_info_from_url
+from .help import (
+    KS_SIGN_CAPTURE_SCRIPT,
+    parse_video_info_from_url,
+    parse_creator_info_from_url,
+)
 from .login import KuaishouLogin
 
 
@@ -94,6 +98,8 @@ class KuaishouCrawler(AbstractCrawler):
 
 
             self.context_page = await self.browser_context.new_page()
+            # 注入快手签名环境捕获脚本，页面加载后即可通过 __ks_realm 生成 __NS_hxfalcon 签名
+            await self.context_page.add_init_script(KS_SIGN_CAPTURE_SCRIPT)
             await self.context_page.goto(f"{self.index_url}?isHome=1")
 
             # Create a client to interact with the kuaishou website.
@@ -151,7 +157,7 @@ class KuaishouCrawler(AbstractCrawler):
                     f"[KuaishouCrawler.search] search kuaishou keyword: {keyword}, page: {page}"
                 )
                 video_id_list: List[str] = []
-                videos_res = await self.ks_client.search_info_by_keyword(
+                videos_res = await self.ks_client.search_info_by_keyword_v2(
                     keyword=keyword,
                     pcursor=str(page),
                     search_session_id=search_session_id,
@@ -162,14 +168,13 @@ class KuaishouCrawler(AbstractCrawler):
                     )
                     break
 
-                vision_search_photo: Dict = videos_res.get("visionSearchPhoto")
-                if vision_search_photo.get("result") != 1:
+                if videos_res.get("result") != 1:
                     utils.logger.error(
                         f"[KuaishouCrawler.search] search info by keyword:{keyword} not found data "
                     )
                     break
-                search_session_id = vision_search_photo.get("searchSessionId", "")
-                for video_detail in vision_search_photo.get("feeds"):
+                search_session_id = videos_res.get("searchSessionId", "")
+                for video_detail in videos_res.get("feeds", []):
                     video_id_list.append(video_detail.get("photo", {}).get("id"))
                     await kuaishou_store.update_kuaishou_video(video_item=video_detail)