fix(route/zhihu): Fix bug that zhihu answers would be truncated (#16473)

* fix(route/zhihu): Fix bug that zhihu answers would be truncated

* fix(route/zhihu): Fix bug that zhihu answers would be truncated

* fix(route/zhihu): Fix bug that zhihu answers would be truncated

* fix(route/zhihu): Fix bug that zhihu answers would be truncated

lib/routes/zhihu/answers.ts

@@ -1,7 +1,7 @@
 import { Route } from '@/types';
 import cache from '@/utils/cache';
 import got from '@/utils/got';
-import { header, processImage } from './utils';
+import { getCookieValueByKey, header, processImage } from './utils';
 import { parseDate } from '@/utils/parse-date';
 
 export const route: Route = {
@@ -29,9 +29,13 @@ export const route: Route = {
 
 async function handler(ctx) {
     const id = ctx.req.param('id');
+
+    const zc0 = getCookieValueByKey('z_c0');
+
     const headers = {
         'User-Agent': 'ZhihuHybrid com.zhihu.android/Futureve/6.59.0 Mozilla/5.0 (Linux; Android 10; GM1900 Build/QKQ1.190716.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.127 Mobile Safari/537.36',
         Referer: `https://www.zhihu.com/people/${id}/answers`,
+        Cookie: zc0 ? `z_c0=${zc0}` : '',
     };
 
     const response = await got({

lib/routes/zhihu/utils.ts

@@ -56,6 +56,13 @@ export const processImage = (content: string) => {
     return $.html();
 };
 
+export const getCookieValueByKey = (key: string) =>
+    config.zhihu.cookies
+        ?.split(';')
+        .map((e) => e.trim())
+        .find((e) => e.startsWith(key + '='))
+        ?.slice(key.length + 1);
+
 export const getSignedHeader = async (url: string, apiPath: string) => {
     // Because the API of zhihu.com has changed, we must use the value of `d_c0` (extracted from cookies) to calculate
     // `x-zse-96`. So first get `d_c0`, then get the actual data of a ZhiHu question. In this way, we don't need to
@@ -95,11 +102,8 @@ export const getSignedHeader = async (url: string, apiPath: string) => {
     const f = `${xzse93}+${apiPath}+${dc0}`;
     const xzse96 = '2.0_' + g_encrypt(md5(f));
 
-    const zc0 = config.zhihu.cookies
-        ?.split(';')
-        .map((e) => e.trim())
-        .find((e) => e.includes('z_c0'))
-        ?.slice('z_c0='.length);
+    const zc0 = getCookieValueByKey('z_c0');
+
     return {
         cookie: `d_c0=${dc0}${zc0 ? `;z_c0=${zc0}` : ''}`,
         'x-zse-96': xzse96,