fix(route/sis001): add cookie to solve anti-crawler (#17259)

* fix(route/sis001): add cookie to resolve anti-crawler

* fix desc

* move base url to env config

* update doc

* fix: cache cookie

---------

lib/config.ts

@@ -267,6 +267,9 @@ export type Config = {
     scihub: {
         host?: string;
     };
+    sis001: {
+        baseUrl?: string;
+    };
     skeb: {
         bearerToken?: string;
     };
@@ -663,6 +666,9 @@ const calculateValue = () => {
         scihub: {
             host: envs.SCIHUB_HOST || 'https://sci-hub.se/',
         },
+        sis001: {
+            baseUrl: envs.SIS001_BASE_URL || 'https://sis001.com',
+        },
         skeb: {
             bearerToken: envs.SKEB_BEARER_TOKEN,
         },

lib/routes/sis001/author.ts

@@ -1,8 +1,10 @@
 import { Route } from '@/types';
 import cache from '@/utils/cache';
 import got from '@/utils/got';
+import { config } from '@/config';
 import { load } from 'cheerio';
-import { baseUrl, getThread } from './common';
+import type { Context } from 'hono';
+import { getCookie, getThread } from './common';
 
 export const route: Route = {
     path: '/author/:id?',
@@ -22,11 +24,12 @@ export const route: Route = {
     handler,
 };
 
-async function handler(ctx) {
+async function handler(ctx: Context) {
     const { id = '13131575' } = ctx.req.param();
-    const url = `${baseUrl}/forum/space.php?uid=${id}`;
+    const url = `${config.sis001.baseUrl}/forum/space.php?uid=${id}`;
 
-    const response = await got(url);
+    const cookie = await getCookie(url);
+    const response = await got(url, { headers: { cookie } });
     const $ = load(response.data);
 
     const username = $('div.bg div.title').text().replace('的个人空间', '');
@@ -37,12 +40,12 @@ async function handler(ctx) {
             item = $(item);
             return {
                 title: item.text(),
-                link: `${baseUrl}/forum/${item.attr('href')}`,
+                link: `${config.sis001.baseUrl}/forum/${item.attr('href')}`,
                 author: username,
             };
         });
 
-    items = await Promise.all(items.map((item) => cache.tryGet(item.link, async () => await getThread(item))));
+    items = await Promise.all(items.map((item) => cache.tryGet(item.link, async () => await getThread(cookie, item))));
 
     return {
         title: `${username}的主题`,

lib/routes/sis001/common.ts

@@ -2,11 +2,45 @@ import got from '@/utils/got';
 import { load } from 'cheerio';
 import { parseDate } from '@/utils/parse-date';
 import timezone from '@/utils/timezone';
+import { DataItem } from '@/types';
+import CryptoJS from 'crypto-js';
+import cache from '@/utils/cache';
+import { config } from '@/config';
 
-const baseUrl = 'https://www.sis001.com';
+function getCookie(url: string): Promise<string> {
+    return cache.tryGet(
+        'sis001:cookie',
+        async () => {
+            const response = await got(url);
+            const rsp = response.data;
 
-async function getThread(item) {
-    const response = await got(item.link);
+            const regex = /toNumbers\("([a-fA-F0-9]+)"\)/g;
+            const matches: string[] = [];
+            let match: RegExpExecArray | null;
+
+            while ((match = regex.exec(rsp)) !== null) {
+                matches.push(match[1]);
+            }
+
+            if (matches.length !== 3) {
+                return '';
+            }
+
+            const key = CryptoJS.enc.Hex.parse(matches[0]);
+            const iv = CryptoJS.enc.Hex.parse(matches[1]);
+            const encrypted = CryptoJS.enc.Hex.parse(matches[2]);
+
+            const decrypted = CryptoJS.AES.decrypt({ ciphertext: encrypted }, key, { iv, padding: CryptoJS.pad.NoPadding });
+
+            return 'CeRaHigh1=' + decrypted.toString(CryptoJS.enc.Hex);
+        },
+        config.cache.routeExpire,
+        false
+    );
+}
+
+async function getThread(cookie: string, item: DataItem) {
+    const response = await got(item.link, { headers: { cookie } });
     const $ = load(response.data);
 
     item.category = $('.posttags a')
@@ -35,4 +69,4 @@ async function getThread(item) {
     return item;
 }
 
-export { baseUrl, getThread };
+export { getCookie, getThread };

lib/routes/sis001/forum.ts

@@ -1,8 +1,10 @@
 import { Route } from '@/types';
 import cache from '@/utils/cache';
 import got from '@/utils/got';
+import { config } from '@/config';
 import { load } from 'cheerio';
-import { baseUrl, getThread } from './common';
+import type { Context } from 'hono';
+import { getCookie, getThread } from './common';
 
 export const route: Route = {
     path: '/forum/:id?',
@@ -18,16 +20,16 @@ export const route: Route = {
         supportScihub: false,
     },
     name: '子版块',
-    maintainers: [],
+    maintainers: ['TonyRL'],
     handler,
 };
 
-async function handler(ctx) {
+async function handler(ctx: Context) {
     const { id = 76 } = ctx.req.param();
-    const url = `${baseUrl}/forum/forum-${id}-1.html`;
-
-    const response = await got(url);
+    const url = `${config.sis001.baseUrl}/forum/forum-${id}-1.html`;
 
+    const cookie = await getCookie(url);
+    const response = await got(url, { headers: { cookie } });
     const $ = load(response.data);
 
     let items = $('form table')
@@ -39,12 +41,12 @@ async function handler(ctx) {
             item = $(item);
             return {
                 title: item.find('th em').text() + ' ' + item.find('span a').eq(0).text(),
-                link: new URL(item.find('span a').eq(0).attr('href'), `${baseUrl}/forum/`).href,
+                link: new URL(item.find('span a').eq(0).attr('href'), `${config.sis001.baseUrl}/forum/`).href,
                 author: item.find('.author a').text(),
             };
         });
 
-    items = await Promise.all(items.map((item) => cache.tryGet(item.link, async () => await getThread(item))));
+    items = await Promise.all(items.map((item) => cache.tryGet(item.link, async () => await getThread(cookie, item))));
 
     return {
         title: $('head title').text(),

lib/routes/sis001/namespace.ts

@@ -3,4 +3,7 @@ import type { Namespace } from '@/types';
 export const namespace: Namespace = {
     name: '第一会所',
     url: 'sis001.com',
+    description: `:::tip
+    第一会所有多个备用网址，本路由默认使用\`https://sis001.com\`，若该网址无法访问，可以在部署实例的时候通过\`SIS001_BASE_URL\`环境变量配置要使用的地址，如\`https://www.sis001.com\`等)
+    :::`,
 };