From 578e2f12fe1d587a1a068439f0343793a1bd46b8 Mon Sep 17 00:00:00 2001
From: pseudoyu <pseudoyu@connect.hku.hk>
Date: Thu, 17 Oct 2024 20:32:13 +0800
Subject: [PATCH] feat(route/bilibili): generate and replace `b_lsid` in cookie

---
 lib/routes/bilibili/cache.ts | 20 +++++++++++++++++++-
 lib/routes/bilibili/video.ts |  2 +-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/lib/routes/bilibili/cache.ts b/lib/routes/bilibili/cache.ts
index 34c2502c397c1a..7e4c4951caf697 100644
--- a/lib/routes/bilibili/cache.ts
+++ b/lib/routes/bilibili/cache.ts
@@ -8,8 +8,18 @@ import puppeteer from '@/utils/puppeteer';
 import { JSDOM } from 'jsdom';
 
 let disableConfigCookie = false;
+
 const getCookie = () => {
     if (!disableConfigCookie && Object.keys(config.bilibili.cookies).length > 0) {
+        // Update b_lsid in cookies
+        for (const key of Object.keys(config.bilibili.cookies)) {
+            const cookie = config.bilibili.cookies[key];
+            if (cookie) {
+                const updatedCookie = cookie.replace(/b_lsid=[0-9A-F]+_[0-9A-F]+/, `b_lsid=${generateBLsid()}`);
+                config.bilibili.cookies[key] = updatedCookie;
+            }
+        }
+
         return config.bilibili.cookies[Object.keys(config.bilibili.cookies)[Math.floor(Math.random() * Object.keys(config.bilibili.cookies).length)]];
     }
     const key = 'bili-cookie';
@@ -22,7 +32,9 @@ const getCookie = () => {
             page.on('requestfinished', async (request) => {
                 if (request.url() === 'https://api.bilibili.com/x/internal/gaia-gateway/ExClimbWuzhi') {
                     const cookies = await page.cookies();
-                    const cookieString = cookies.map((cookie) => `${cookie.name}=${cookie.value}`).join('; ');
+                    let cookieString = cookies.map((cookie) => `${cookie.name}=${cookie.value}`).join('; ');
+
+                    cookieString = cookieString.replace(/b_lsid=[0-9A-F]+_[0-9A-F]+/, `b_lsid=${generateBLsid()}`);
                     resolve(cookieString);
                 }
             });
@@ -35,6 +47,12 @@ const getCookie = () => {
     });
 };
 
+const generateBLsid = () => {
+    const randomString = Array.from({ length: 8 }, () => '0123456789ABCDEF'[Math.floor(Math.random() * 16)]).join('');
+    const timestamp = Date.now();
+    return `${randomString}_${timestamp.toString(16).toUpperCase()}`;
+};
+
 const clearCookie = () => {
     cache.set('bili-cookie');
     disableConfigCookie = true;
diff --git a/lib/routes/bilibili/video.ts b/lib/routes/bilibili/video.ts
index 4013e17877fbb8..7e4ea66ad1e355 100644
--- a/lib/routes/bilibili/video.ts
+++ b/lib/routes/bilibili/video.ts
@@ -25,7 +25,7 @@ export const route: Route = {
         },
     ],
     name: 'UP 主投稿',
-    maintainers: ['DIYgod', 'Konano'],
+    maintainers: ['DIYgod', 'Konano', 'pseudoyu'],
     handler,
 };