From de93618f1838df9c8bcf09cf21d237499f0444d2 Mon Sep 17 00:00:00 2001
From: Sryvkver <20717854+Sryvkver@users.noreply.github.com>
Date: Tue, 21 Jul 2026 04:03:19 +0200
Subject: [PATCH] fix(route/fanbox): refactor to use playwright to load posts
 (#22681)

* fix(route/fanbox): refactor to use playwright to load posts

* fix(route/fanbox) added missing await

* fix(route/fanbox) closing context after page close

* fix(route/fanbox) Update model to conform to new API response

---------

Co-authored-by: Sryvkver <git@sryvkver.com>
---
 lib/routes/fanbox/index.ts  | 38 ++++++++++++++++++++++++++++++++++---
 lib/routes/fanbox/types.ts  |  4 +++-
 lib/routes/fanbox/utils.tsx | 38 ++++++++++++++++++++++++++++++-------
 3 files changed, 69 insertions(+), 11 deletions(-)

diff --git a/lib/routes/fanbox/index.ts b/lib/routes/fanbox/index.ts
index 487b5bc98..4e8a0d485 100644
--- a/lib/routes/fanbox/index.ts
+++ b/lib/routes/fanbox/index.ts
@@ -1,12 +1,14 @@
 import type { Context } from 'hono';
 
 import InvalidParameterError from '@/errors/types/invalid-parameter';
-import type { Data, Route } from '@/types';
+import type { Data, DataItem, Route } from '@/types';
 import ofetch from '@/utils/ofetch';
+import playwright from '@/utils/playwright';
+import { setCookies } from '@/utils/playwright-utils';
 import { isValidHost } from '@/utils/valid-host';
 
 import type { PostListResponse, UserInfoResponse } from './types';
-import { getHeaders, parseItem } from './utils';
+import { getCookieString, getHeaders, parseItem } from './utils';
 
 export const route: Route = {
     path: '/:creator',
@@ -24,6 +26,7 @@ export const route: Route = {
                 optional: true,
             },
         ],
+        requirePuppeteer: true,
         nsfw: true,
     },
 };
@@ -53,7 +56,36 @@ async function handler(ctx: Context): Promise<Data> {
     }
 
     const postListResponse = (await ofetch(`https://api.fanbox.cc/post.listCreator?creatorId=${creator}&limit=20&withPinned=true`, { headers: getHeaders() })) as PostListResponse;
-    const items = await Promise.all(postListResponse.body.map((i) => parseItem(i)));
+
+    const context = await playwright();
+    const page = await context.newPage();
+
+    const cookieString = getCookieString();
+    if (cookieString) {
+        await setCookies(page, cookieString, '.fanbox.cc');
+    }
+
+    await page.route('**/*', (route) => {
+        const request = route.request();
+
+        if (request.url().startsWith('https://api.fanbox.cc/post.info')) {
+            route.continue();
+            return;
+        }
+
+        request.resourceType() === 'document' ? route.continue() : route.abort();
+    });
+    await page.goto('https://www.fanbox.cc/', {
+        waitUntil: 'domcontentloaded',
+    });
+
+    let items: DataItem[];
+    try {
+        items = await Promise.all(postListResponse.body.map((i) => parseItem(page, i)));
+    } finally {
+        await page.close();
+        await context.close();
+    }
 
     return {
         title,
diff --git a/lib/routes/fanbox/types.ts b/lib/routes/fanbox/types.ts
index cb447ef06..774843c39 100644
--- a/lib/routes/fanbox/types.ts
+++ b/lib/routes/fanbox/types.ts
@@ -29,7 +29,9 @@ export interface PostListResponse {
 }
 
 export interface PostDetailResponse {
-    body: PostDetail;
+    body: {
+        post: PostDetail;
+    };
 }
 
 export interface PostItem {
diff --git a/lib/routes/fanbox/utils.tsx b/lib/routes/fanbox/utils.tsx
index f0d6d6713..2abc076a4 100644
--- a/lib/routes/fanbox/utils.tsx
+++ b/lib/routes/fanbox/utils.tsx
@@ -5,18 +5,22 @@ import type { DataItem } from '@/types';
 import cache from '@/utils/cache';
 import ofetch from '@/utils/ofetch';
 import { parseDate } from '@/utils/parse-date';
+import type { Page } from '@/utils/playwright';
 
 import type { ArticlePost, FilePost, ImagePost, PostDetailResponse, PostItem, TextPost, VideoPost } from './types';
 
 export function getHeaders() {
-    const sessionid = config.fanbox.session;
-    const cookie = sessionid ? `FANBOXSESSID=${sessionid}` : '';
     return {
         origin: 'https://fanbox.cc',
-        cookie,
+        cookie: getCookieString(),
     };
 }
 
+export function getCookieString() {
+    const sessionid = config.fanbox.session;
+    return sessionid ? `FANBOXSESSID=${sessionid}` : '';
+}
+
 function embedUrlMap(urlEmbed: ArticlePost['body']['urlEmbedMap'][string]) {
     switch (urlEmbed.type) {
         case 'html':
@@ -131,7 +135,7 @@ async function parseArtile(body: ArticlePost['body']) {
     return ret.join('');
 }
 
-async function parseDetail(i: PostDetailResponse['body']) {
+async function parseDetail(i: PostDetailResponse['body']['post']) {
     let ret = '';
     if (i.feeRequired !== 0) {
         ret += `Fee Required: <b>${i.feeRequired} JPY/month</b><hr>`;
@@ -167,12 +171,32 @@ async function parseDetail(i: PostDetailResponse['body']) {
     return ret;
 }
 
-export function parseItem(item: PostItem) {
+export function parseItem(page: Page, item: PostItem) {
     return cache.tryGet(`fanbox-${item.id}-${item.updatedDatetime}`, async () => {
-        const postDetail = (await ofetch(`https://api.fanbox.cc/post.info?postId=${item.id}`, { headers: { ...getHeaders(), 'User-Agent': config.trueUA } })) as PostDetailResponse;
+        const postDetail: PostDetailResponse = await page.evaluate(
+            async ({ url }) => {
+                const res = await fetch(url, {
+                    method: 'GET',
+                    credentials: 'include',
+                    headers: {
+                        'Sec-Fetch-Dest': 'empty',
+                        'Sec-Fetch-Mode': 'cors',
+                        'Sec-Fetch-Site': 'same-site',
+                    },
+                });
+
+                if (!res.ok) {
+                    throw new Error(`HTTP error! status: ${res.status}`);
+                }
+
+                return res.json();
+            },
+            { url: `https://api.fanbox.cc/post.info?postId=${item.id}` }
+        );
+
         return {
             title: item.title || 'No title',
-            description: await parseDetail(postDetail.body),
+            description: await parseDetail(postDetail.body.post),
             pubDate: parseDate(item.updatedDatetime),
             link: `https://${item.creatorId}.fanbox.cc/posts/${item.id}`,
             category: item.tags,