refactor: duozhuayu replace puppeteer to api (#2973)

lib/routes/duozhuayu/search.js

@@ -1,35 +1,79 @@
-const puppeteer = require('@/utils/puppeteer');
-const cheerio = require('cheerio');
+const got = require('@/utils/got');
+const aesjs = require('aes-js');
 
-module.exports = async (ctx, next) => {
+module.exports = async (ctx) => {
     const wd = ctx.params.wd;
     const link = `https://www.duozhuayu.com/search/${wd}`;
-    const browser = await puppeteer();
-    const page = await browser.newPage();
 
-    await page.goto(link, { waitUntil: 'networkidle0' });
-    // eslint-disable-next-line no-undef
-    const html = await page.evaluate(() => document.querySelector('html').innerHTML);
-    browser.close();
-    const $ = cheerio.load(html);
-    const books = $('.result-list').find('.SearchBookItem');
+    // token获取见 https://github.com/wong2/userscripts/blob/master/duozhuayu.user.js
+    const key = 'DkOliWvFNR7C4WvR'.split('').map(function(c) {
+        return c.charCodeAt();
+    });
+    const iv = 'GQWKUE2CVGOOBKXU'.split('').map(function(c) {
+        return c.charCodeAt();
+    });
+    const aesCfb = new aesjs.ModeOfOperation.cfb(key, iv);
+
+    const encrypt = (text) => {
+        const textBytes = aesjs.utils.utf8.toBytes(text);
+        const encryptedBytes = aesCfb.encrypt(textBytes);
+        return aesjs.utils.hex.fromBytes(encryptedBytes);
+    };
+
+    const getCustomRequestHeaders = () => {
+        const timestamp = Date.now();
+        const userId = 0;
+        const securityKey = Math.floor(1e8 * Math.random());
+        const token = encrypt([timestamp, userId, securityKey].join(':'));
+        const requestId = [userId, timestamp, Math.round(1e5 * Math.random())].join('-');
+        return {
+            'x-timestamp': timestamp,
+            'x-security-key': securityKey,
+            'x-user-id': userId,
+            'x-request-token': token,
+            'x-request-misc': '{"platform":"browser"}',
+            'x-api-version': '0.0.15',
+            'x-request-id': requestId,
+            'x-refer-request-id': requestId,
+        };
+    };
+
+    const response = await got({
+        method: 'get',
+        url: 'https://www.duozhuayu.com/api/search',
+        params: {
+            type: 'normal',
+            q: wd,
+        },
+        headers: getCustomRequestHeaders(),
+    });
+    const books = response.data.data || {};
+
     const item = books
-        .map((index, i) => {
-            const book = $(i);
-            const text = book.find('.SearchBookItem-title').text() + ' - ' + book.find('.SearchBookItem-description').text() + ' - ' + book.find('.Price').text();
+        .filter((item) => item.type === 'book')
+        .map((item) => {
+            const book = item.book;
             return {
-                title: text,
-                link: `https://www.duozhuayu.com${book.attr('href')}`,
-                description: book.html(),
-                guid: `https://www.duozhuayu.com${book.attr('href')}${book.find('.Price').text()}`,
+                title: book.title,
+                link: `https://www.duozhuayu.com/books/${book.id}`,
+                pubDate: new Date(book.updated).toUTCString(),
+                description: `
+                <img src="${book.images.origin}" ><br>
+                书名：${book.title} ${book.originalTitle}<br>
+                作者：${book.rawAuthor}<br>
+                ISBN：${book.isbn13}<br>
+                出版社：${book.publisher}<br>
+                出版时间：${book.publishDate}<br>
+                价格：${(book.price / 100).toFixed(2)}元起  <del>${(book.originalPrice / 100).toFixed(2)}元</del><br>
+                `,
+                guid: book.id,
             };
-        })
-        .get();
+        });
+
     ctx.state.data = {
         title: `多抓鱼搜索-${wd}`,
         link,
         description: `多抓鱼搜索-${wd}`,
         item,
     };
-    await next();
 };

package.json

@@ -52,6 +52,7 @@
   },
   "dependencies": {
     "@postlight/mercury-parser": "2.1.1",
+    "aes-js": "3.1.2",
     "art-template": "4.13.2",
     "cheerio": "1.0.0-rc.3",
     "co-redis": "2.1.1",

yarn.lock

@@ -1495,6 +1495,11 @@ acorn@^7.0.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.0.0.tgz#26b8d1cd9a9b700350b71c0905546f64d1284e7a"
   integrity sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==
 
+aes-js@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.1.2.tgz#db9aabde85d5caabbfc0d4f2a4446960f627146a"
+  integrity sha1-25qr3oXVyqu/wNTypERpYPYnFGo=
+
 agent-base@^4.1.0, agent-base@~4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.1.tgz#d89e5999f797875674c07d87f260fc41e83e8ca9"