feat(route): add xhu (#13055)

* feat(route): add xhu

* add xhu doc

* Remove unnecessary URL parameter

* Store xhu cookie in cache

* Add xhu to radar.js

* Update website/docs/routes/social-media.md

---------

lib/v2/zhihu/maintainer.js

@@ -15,5 +15,6 @@ module.exports = {
     '/timeline': ['SeanChao'],
     '/topic/:topicId': ['xyqfer'],
     '/weekly': ['LogicJake'],
+    '/xhu/topic/:topicId': ['JimenezLi'],
     '/zhuanlan/:id': ['DIYgod'],
 };

lib/v2/zhihu/radar.js

@@ -80,6 +80,12 @@ module.exports = {
                 source: '/column/:id',
                 target: '/zhihu/zhuanlan/:id',
             },
+            {
+                title: 'xhu - 话题',
+                docs: 'https://docs.rsshub.app/routes/social-media#zhi-hu',
+                source: '/topic/:topicId/:type',
+                target: '/zhihu/xhu/topic/:topicId',
+            },
         ],
         zhuanlan: [
             {

lib/v2/zhihu/router.js

@@ -15,5 +15,6 @@ module.exports = (router) => {
     router.get('/timeline', require('./timeline'));
     router.get('/topic/:topicId', require('./topic'));
     router.get('/weekly', require('./weekly'));
+    router.get('/xhu/topic/:topicId', require('./xhu/topic'));
     router.get('/zhuanlan/:id', require('./zhuanlan'));
 };

lib/v2/zhihu/xhu/auth.js

@@ -0,0 +1,38 @@
+const got = require('@/utils/got');
+
+const ProcessCookie = (cookie) => cookie.map((cookie) => cookie.split(';')[0]).join('; ');
+
+const ProcessNewCookie = (oldCookie, newCookie) => {
+    const oldCookieArray = oldCookie.split('; ');
+    const newCookieArray = newCookie.map((cookie) => cookie.split(';')[0]);
+    return oldCookieArray.concat(newCookieArray).join('; ');
+};
+
+module.exports = {
+    getCookie: (ctx) => {
+        const key = 'zhihu-xhu-cookie';
+        return ctx.cache.tryGet(key, async () => {
+            // Get udid
+            const udidResponse = await got({
+                method: 'get',
+                url: 'https://api.zhihuvvv.workers.dev/appcloud/v1/device',
+                headers: {
+                    Referer: 'https://api.zhihuvvv.workers.dev',
+                },
+            });
+            const udidCookie = ProcessCookie(udidResponse.headers['set-cookie']);
+
+            // Get access token
+            const accessTokenResponse = await got({
+                method: 'get',
+                url: 'https://api.zhihuvvv.workers.dev/guests/token',
+                headers: {
+                    Referer: 'https://api.zhihuvvv.workers.dev',
+                    Cookie: udidCookie,
+                },
+            });
+            const accessTokenCookie = ProcessNewCookie(udidCookie, accessTokenResponse.headers['set-cookie']);
+            return accessTokenCookie;
+        });
+    },
+};

lib/v2/zhihu/xhu/topic.js

@@ -0,0 +1,74 @@
+const got = require('@/utils/got');
+const auth = require('./auth');
+const utils = require('../utils');
+const { parseDate } = require('@/utils/parse-date');
+
+module.exports = async (ctx) => {
+    const xhuCookie = await auth.getCookie(ctx);
+    const { topicId } = ctx.params;
+    const link = `https://www.zhihu.com/topic/${topicId}/newest`;
+    const url = `https://api.zhihuvvv.workers.dev/topics/${topicId}/feeds/timeline_activity`;
+
+    const response = await got({
+        method: 'get',
+        url,
+        searchParams: {
+            before_id: 0,
+            limit: 20,
+        },
+        headers: {
+            Referer: 'https://api.zhihuvvv.workers.dev',
+            Cookie: xhuCookie,
+        },
+    });
+    const listRes = response.data.data;
+
+    ctx.state.data = {
+        title: `知乎话题-${topicId}`,
+        link,
+        item: listRes.map(({ target: item }) => {
+            const type = item.type;
+            let title = '';
+            let description = '';
+            let link = '';
+            let pubDate = '';
+            let author = '';
+
+            switch (type) {
+                case 'answer':
+                    title = `${item.question.title}-${item.author.name}的回答：${item.excerpt}`;
+                    description = `<strong>${item.question.title}</strong><br>${item.author.name}的回答<br/>${utils.ProcessImage(item.content)}`;
+                    link = `https://www.zhihu.com/question/${item.question.id}/answer/${item.id}`;
+                    pubDate = parseDate(item.updated_time * 1000);
+                    author = item.author.name;
+                    break;
+
+                case 'question':
+                    title = item.title;
+                    description = item.title;
+                    link = `https://www.zhihu.com/question/${item.id}`;
+                    pubDate = parseDate(item.created * 1000);
+                    break;
+
+                case 'article':
+                    title = item.title;
+                    description = item.excerpt;
+                    link = item.url;
+                    pubDate = parseDate(item.created * 1000);
+                    break;
+
+                default:
+                    description = `未知类型 ${topicId}.${type}，请点击<a href="https://github.com/DIYgod/RSSHub/issues">链接</a>提交issue`;
+            }
+
+            return {
+                title,
+                description,
+                author,
+                pubDate,
+                guid: link,
+                link,
+            };
+        }),
+    };
+};

website/docs/routes/social-media.md

@@ -1763,6 +1763,7 @@ rule
 ### 用户关注时间线 {#zhi-hu-yong-hu-guan-zhu-shi-jian-xian}
 
 <Route author="SeanChao" example="/zhihu/timeline" path="/zhihu/timeline" anticrawler="1" selfhost="1">
+
 :::caution 注意
 
 用户关注动态需要登录后的 Cookie 值，所以只能自建，详情见部署页面的配置模块。
@@ -1770,3 +1771,7 @@ rule
 :::
 
 </Route>
+
+### [xhu](https://github.com/REToys/xhu) - 话题 {#zhi-hu-xhu-hua-ti}
+
+<Route author="JimenezLi" example="/zhihu/xhu/topic/19566035" path="/zhihu/xhu/topic/:topicId" paramsDesc={['话题ID']} anticrawler="1"/>