From 0851b32dbe39da60703d4f64cae306f09c6e13c7 Mon Sep 17 00:00:00 2001
From: MisteryMonster <40703811+MisteryMonster@users.noreply.github.com>
Date: Sat, 9 May 2020 11:55:39 +0800
Subject: [PATCH] feat: Add wechat mp homepage (#4696)

---
 assets/radar-rules.js           | 11 ++++++
 docs/new-media.md               | 10 +++++
 lib/router.js                   |  1 +
 lib/routes/tencent/wechat/mp.js | 70 +++++++++++++++++++++++++++++++++
 4 files changed, 92 insertions(+)
 mode change 100644 => 100755 assets/radar-rules.js
 mode change 100644 => 100755 docs/new-media.md
 create mode 100755 lib/routes/tencent/wechat/mp.js

diff --git a/assets/radar-rules.js b/assets/radar-rules.js
old mode 100644
new mode 100755
index 6a5c713902..9ff2164899
--- a/assets/radar-rules.js
+++ b/assets/radar-rules.js
@@ -1748,4 +1748,15 @@
             },
         ],
     },
+    'qq.com': {
+        _name: '微信',
+        'mp.weixin': [
+            {
+                title: '公众号栏目',
+                docs: 'https://docs.rsshub.app/new-media.html#gong-zhong-hao-lan-mu-fei-tui-song-li-shi-xiao-xi',
+                source: '/mp/homepage',
+                target: (params, url) => `/wechat/mp/homepage/${new URL(url).searchParams.get('__biz')}/${new URL(url).searchParams.get('hid')}/${new URL(url).searchParams.get('cid') ? new URL(url).searchParams.get('cid') : ''}`,
+            },
+        ],
+    },
 });
diff --git a/docs/new-media.md b/docs/new-media.md
old mode 100644
new mode 100755
index bc401a6e4f..59eef2aa42
--- a/docs/new-media.md
+++ b/docs/new-media.md
@@ -990,6 +990,16 @@ Supported sub-sites:
 
 <Route author="sanmmm" example="/wechat/ershicimi/59" path="/wechat/ershicimi/:id" :paramsDesc="['公众号id, 打开公众号页, 在 URL 中找到 id']"/>
 
+### 公众号栏目 (非推送 & 历史消息)
+
+<Route author="MisteryMonster" example="/wechat/mp/homepage/MzA3MDM3NjE5NQ==/16" path="/wechat/mp/homepage/:biz/:hid/:cid?" :paramsDesc="['公众号id', '分页id', '页内栏目']" radar="1" anticrawler="1">
+
+只适用拥有首页模板 (分享链接带有 homepage) 的公众号。例如从公众号分享出来的链接为 <https://mp.weixin.qq.com/mp/homepage?__biz=MzA3MDM3NjE5NQ==&hid=4>，`biz` 为 `MzA3MDM3NjE5NQ==`，`hid` 为 `4`。
+
+有些页面里会有分栏， `cid` 可以通过元素选择器选中栏目查看`data-index`。如[链接](https://mp.weixin.qq.com/mp/homepage?__biz=MzA3MDM3NjE5NQ==&hid=4)里的 `京都职人` 栏目的 `cid` 为 `0`，`文艺时光` 栏目的 `cid` 为 `2`。如果不清楚的话最左边的栏目为`0`，其右方栏目依次递增 `1`。
+
+</Route>
+
 ### 公众平台系统公告栏目
 
 <Route author="xyqfer" example="/wechat/announce" path="/wechat/announce" />
diff --git a/lib/router.js b/lib/router.js
index 5d11946069..dd7e4babc7 100755
--- a/lib/router.js
+++ b/lib/router.js
@@ -479,6 +479,7 @@ router.get('/wechat/miniprogram/plugins', require('./routes/tencent/wechat/minip
 router.get('/wechat/tgchannel/:id', require('./routes/tencent/wechat/tgchannel'));
 router.get('/wechat/uread/:userid', require('./routes/tencent/wechat/uread'));
 router.get('/wechat/ershicimi/:id', require('./routes/tencent/wechat/ershcimi'));
+router.get('/wechat/mp/homepage/:biz/:hid/:cid?', require('./routes/tencent/wechat/mp'));
 
 // All the Flight Deals
 router.get('/atfd/:locations/:nearby?', require('./routes/atfd/index'));
diff --git a/lib/routes/tencent/wechat/mp.js b/lib/routes/tencent/wechat/mp.js
new file mode 100755
index 0000000000..d63d16fb03
--- /dev/null
+++ b/lib/routes/tencent/wechat/mp.js
@@ -0,0 +1,70 @@
+const got = require('@/utils/got');
+const cheerio = require('cheerio');
+const dayjs = require('dayjs');
+module.exports = async (ctx) => {
+    const { biz, hid, cid } = ctx.params;
+    let cidurl = '';
+    if (cid) {
+        cidurl = `&cid=${cid}`;
+    }
+    let hidurl = '';
+    if (hid) {
+        hidurl = `&hid=${hid}`;
+    }
+    const JSONresponse = await got({
+        method: 'post',
+        url: `https://mp.weixin.qq.com/mp/homepage?__biz=${biz}${hidurl}${cidurl}&begin=0&count=5&action=appmsg_list`,
+    });
+    // 主页Html，获取 RSS 标题用
+    const HTMLresponse = await got({
+        method: 'get',
+        url: `https://mp.weixin.qq.com/mp/homepage?__biz=${biz}${hidurl}${cidurl}`,
+    });
+    const list = JSONresponse.data.appmsg_list;
+    const $ = cheerio.load(HTMLresponse.data);
+    // 标题，另外差一个菜单标题！求助
+    const mptitle = $('div.articles_header').find('a').text() + `|` + $('div.articles_header > h2.rich_media_title').text();
+    const articledata = await Promise.all(
+        list.map(async (item) => {
+            const link = item.link.replace('http://', 'https://');
+            const cache = await ctx.cache.get(link);
+            if (cache) {
+                return Promise.resolve(JSON.parse(cache));
+            }
+            const response2 = await got({
+                method: 'get',
+                url: link,
+            });
+            const articleHtml = response2.data;
+            const $2 = cheerio.load(articleHtml);
+            $2('img').removeAttr('src');
+            $2('div#js_profile_qrcode').remove();
+
+            const content = $2('div#js_content.rich_media_content')
+                .html()
+                .replace('iframe/preview.html?width=500&amp;height=375&amp;', 'txp/iframe/player.html?')
+                .replace('<iframe ', '<iframe width="640" height="360"')
+                .replace(/data-src/g, 'src');
+            const author = $2('div#meta_content:not(:last-child)').text();
+            const single = {
+                content,
+                author,
+            };
+            ctx.cache.set(link, JSON.stringify(single));
+            return Promise.resolve(single);
+        })
+    );
+    ctx.state.data = {
+        // 源标题，差一个cid相关的标题！
+        title: `${mptitle}`,
+        link: `https://mp.weixin.qq.com/mp/homepage?__biz=${biz}${hidurl}${cidurl}`,
+        item: list.map((item, index) => ({
+            title: `${item.title}`,
+            description: `${item.digest}<br>   
+<img style="max-width: 650px; height: auto; object-fit: contain; width: 100%;" src="${item.cover}"><br><br>${articledata[index].content}`,
+            link: `${item.link}`,
+            author: `${articledata[index].author}`,
+            pubDate: dayjs.unix(item.sendtime).format(),
+        })),
+    };
+};