🐞 fix(bilibili.js): 修复 av 号无法解析问题 [#86]

apps/tools.js

@@ -66,7 +66,6 @@ import NeteaseMusicInfo from '../model/neteaseMusicInfo.js';
 import * as aBogus from "../utils/a-bogus.cjs";
 import { downloadM3u8Videos, mergeAcFileToMp4, parseM3u8, parseUrl } from "../utils/acfun.js";
 import { startBBDown } from "../utils/bbdown-util.js";
-import { av2BV } from "../utils/bilibili-bv-av-convert.js";
 import {
     BILI_HEADER,
     downloadBFile,
@@ -879,11 +878,6 @@ export class tools extends plugin {
         }
         // 补充https
         url = url.startsWith("https://") ? url : "https://" + url;
-        // av处理
-        const matched = url.match(/\/(AV|av)(\w+)/);
-        if (matched) {
-            url = url.replace(matched[0].replace("\/", ""), av2BV(Number(matched[2])));
-        }
         // 直播间分享
         // logger.info(url)
         if (url.includes("live.bilibili.com")) {

config/version.yaml

@@ -1,5 +1,5 @@
 - {
-  version: 1.10.0-rc2,
+  version: 1.10.1,
   data:
     [
       新增<span class="cmd">RBS查看哔哩哔哩状态</span>功能,

utils/bilibili-bv-av-convert.js

@@ -1,29 +0,0 @@
-const table = 'fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'
-const tr = Array.from(table).reduce((o, c, i) => Object.assign(o, { [c]: i }), {})
-const s = [11, 10, 3, 8, 4, 6]
-const xor = 177451812
-const add = 8728348608
-/** 算法来源：https://www.zhihu.com/question/381784377/answer/1099438784 **/
-
-/**
- * Convert a BV string to AV number
- * @param {string} bv The BV string to be converted to AV number
- * @returns {number} The AV number converted from the provided BV string
- */
-function bv2AV(bv) {
-    return (new Uint8Array(6).reduce((r, _, i) => r + tr[bv[s[i]]] * 58 ** i, 0) - add) ^ xor
-}
-
-/**
- * Convert a AV number to BV string
- * @param {number} av The AV number to be converted to BV string
- * @returns {string} The BV string converted from the provided AV number
- */
-function av2BV(av) {
-    return (new Uint8Array(6).reduce((r, _, i) => { r.splice(s[i], 1, table[Math.floor(((av ^ xor) + add) / 58 ** i % 58)]); return r }, Array.from('BV1  4 1 7  '))).join('')
-}
-
-export {
-    bv2AV,
-    av2BV
-}

utils/bilibili.js

@@ -204,7 +204,15 @@ async function axelDownloadBFile(url, fullFileName, progressCallback, videoDownl
  * @returns {Promise<any>}
  */
 export async function getDownloadUrl(url, SESSDATA, qn) {
-    const videoId = /video\/[^\?\/ ]+/.exec(url)[0].split("/")[1];
+    let videoId = /video\/[^\?\/ ]+/.exec(url)[0].split("/")[1];
+    // AV号特殊处理
+    let cid = "";
+    if (videoId.toLowerCase().startsWith('av')) {
+        // 将 AV 转换为 BV
+        const { bvid, cid: newCid } = await getVideoInfo(url);
+        videoId = bvid;
+        cid = newCid;
+    }
     // 转换画质数字为分辨率
     let qualityText;
     switch(parseInt(qn)) {
@@ -215,7 +223,7 @@ export async function getDownloadUrl(url, SESSDATA, qn) {
         default: qualityText = "480P"; break;
     }
     logger.info(`[R插件][BILI下载] 开始获取视频下载链接，视频ID: ${videoId}, 请求画质: ${qualityText}`);
-    const dash = await getBiliVideoWithSession(videoId, "", SESSDATA, qn);
+    const dash = await getBiliVideoWithSession(videoId, cid, SESSDATA, qn);
     // 获取关键信息
     const { video, audio } = dash;
     
@@ -388,7 +396,7 @@ export async function m4sToMp3(m4sUrl, path) {
 export async function getBiliAudio(bvid, cid) {
     // 转换cid
     if (!cid)
-        cid = await fetchCID(bvid).catch((err) => console.log(err))
+        cid = await fetchCID(bvid).catch((err) => logger.info(err))
 
     // 返回一个fetch的promise
     return (new Promise((resolve, reject) => {
@@ -447,11 +455,11 @@ export async function getBiliVideoWithSession(bvid, cid, SESSDATA, qn) {
  * @returns {Promise<*>}
  */
 export const fetchCID = async (bvid) => {
-    //console.log('Data.js Calling fetchCID:' + URL_BVID_TO_CID.replace("{bvid}", bvid))
+    //logger.info('Data.js Calling fetchCID:' + URL_BVID_TO_CID.replace("{bvid}", bvid))
-    const res = await fetch(BILI_BVID_TO_CID.replace("{bvid}", bvid))
+    const res = await fetch(BILI_BVID_TO_CID.replace("{bvid}", bvid));
-    const json = await res.json()
+    const json = await res.json();
-    const cid = json.data[0].cid
+    const cid = json.data[0].cid;
-    return cid
+    return cid;
 }
 
 /**
@@ -462,8 +470,16 @@ export const fetchCID = async (bvid) => {
 export async function getVideoInfo(url) {
     // const baseVideoInfo = "http://api.bilibili.com/x/web-interface/view";
     const videoId = /video\/[^\?\/ ]+/.exec(url)[0].split("/")[1];
+    // 如果匹配到的是AV号特殊处理
+    let finalUrl = `${ BILI_VIDEO_INFO }?`;
+    if (videoId.toLowerCase().startsWith('av')) {
+        finalUrl += `aid=${ videoId.slice(2) }`;
+    } else {
+        finalUrl += `bvid=${ videoId }`;
+    }
+    logger.debug(finalUrl);
     // 获取视频信息，然后发送
-    return fetch(`${ BILI_VIDEO_INFO }?bvid=${ videoId }`)
+    return fetch(finalUrl)
         .then(async resp => {
             const respJson = await resp.json();
             const respData = respJson.data;
@@ -521,7 +537,7 @@ export async function getDynamic(dynamicId, SESSDATA) {
                 }
             }
         }
-        // console.log(dynamic_src)
+        // logger.info(dynamic_src)
         return {
             dynamicSrc,
             dynamicDesc