115网盘在线播放
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mtvpls
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/* eslint-disable @typescript-eslint/no-explicit-any */
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const SHARE_URL = 'https://webapi.115.com/share/snap';
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const PLAY_URL = 'http://pro.api.115.com/app/share/downurl';
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export interface Pan115ShareVideoFile {
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name: string;
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fileId: string;
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shareCode: string;
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receiveCode: string;
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size: number;
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}
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export interface Pan115ShareListResult {
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title: string;
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files: Pan115ShareVideoFile[];
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}
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const VIDEO_EXTENSIONS = [
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'.mp4', '.webm', '.avi', '.wmv', '.flv', '.mov', '.mkv', '.mpeg', '.3gp', '.ts', '.m2ts', '.mp3', '.wav', '.aac', '.iso',
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];
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const G_KTS = new Uint8Array([
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0xf0, 0xe5, 0x69, 0xae, 0xbf, 0xdc, 0xbf, 0x8a, 0x1a, 0x45, 0xe8, 0xbe, 0x7d, 0xa6, 0x73, 0xb8,
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0xde, 0x8f, 0xe7, 0xc4, 0x45, 0xda, 0x86, 0xc4, 0x9b, 0x64, 0x8b, 0x14, 0x6a, 0xb4, 0xf1, 0xaa,
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0x38, 0x01, 0x35, 0x9e, 0x26, 0x69, 0x2c, 0x86, 0x00, 0x6b, 0x4f, 0xa5, 0x36, 0x34, 0x62, 0xa6,
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0x2a, 0x96, 0x68, 0x18, 0xf2, 0x4a, 0xfd, 0xbd, 0x6b, 0x97, 0x8f, 0x4d, 0x8f, 0x89, 0x13, 0xb7,
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0x6c, 0x8e, 0x93, 0xed, 0x0e, 0x0d, 0x48, 0x3e, 0xd7, 0x2f, 0x88, 0xd8, 0xfe, 0xfe, 0x7e, 0x86,
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0x50, 0x95, 0x4f, 0xd1, 0xeb, 0x83, 0x26, 0x34, 0xdb, 0x66, 0x7b, 0x9c, 0x7e, 0x9d, 0x7a, 0x81,
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0x32, 0xea, 0xb6, 0x33, 0xde, 0x3a, 0xa9, 0x59, 0x34, 0x66, 0x3b, 0xaa, 0xba, 0x81, 0x60, 0x48,
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0xb9, 0xd5, 0x81, 0x9c, 0xf8, 0x6c, 0x84, 0x77, 0xff, 0x54, 0x78, 0x26, 0x5f, 0xbe, 0xe8, 0x1e,
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0x36, 0x9f, 0x34, 0x80, 0x5c, 0x45, 0x2c, 0x9b, 0x76, 0xd5, 0x1b, 0x8f, 0xcc, 0xc3, 0xb8, 0xf5,
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]);
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const RSA_E = BigInt(`0x8686980c0f5a24c4b9d43020cd2c22703ff3f450756529058b1cf88f09b8602136477198a6e2683149659bd122c33592fdb5ad47944ad1ea4d36c6b172aad6338c3bb6ac6227502d010993ac967d1aef00f0c8e038de2e4d3bc2ec368af2e9f10a6f1eda4f7262f136420c07c331b871bf139f74f3010e3c4fe57df3afb71683`);
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const RSA_N = BigInt(0x10001);
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function assertSafe(value: string, label: string) {
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const normalized = value.trim();
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for (let i = 0; i < normalized.length; i += 1) {
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if (normalized.charCodeAt(i) > 255) {
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throw new Error(`${label} 含有非法字符，请检查是否包含中文标点或说明文字`);
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}
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}
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return normalized;
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}
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export function normalizePan115Cookie(cookie: string) {
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return assertSafe(cookie.replace(/；/g, ';').replace(/：/g, ':').replace(/，/g, ','), '115 Cookie');
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}
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export function assertPan115CookieHeaderSafe(cookie: string) {
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return normalizePan115Cookie(cookie);
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}
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function isMediaFile(filename: string) {
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const lower = filename.toLowerCase();
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return VIDEO_EXTENSIONS.some((ext) => lower.endsWith(ext));
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}
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export function parsePan115ShareUrl(shareUrl: string, passcode = '') {
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const cleaned = decodeURIComponent(shareUrl.trim()).replace(/[#.,，/\s]+$/, '');
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const matches = /https:\/\/(?:115|anxia|115cdn)\.com\/s\/([a-zA-Z0-9]+)(?:\?password=([^&#\s]+))?/i.exec(cleaned);
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if (!matches) throw new Error('无法解析115分享链接');
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return {
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shareCode: matches[1],
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receiveCode: passcode || matches[2] || '',
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};
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}
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async function parseJson(response: Response) {
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const text = await response.text();
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try {
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return typeof text === 'string' ? JSON.parse(text) : text;
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} catch {
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throw new Error(`115接口返回异常：${text.slice(0, 200)}`);
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}
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}
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async function fetchShareDir(shareCode: string, receiveCode: string, cid: string) {
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const url = new URL(SHARE_URL);
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url.searchParams.set('share_code', shareCode);
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url.searchParams.set('receive_code', receiveCode);
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url.searchParams.set('cid', cid);
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url.searchParams.set('limit', '9999');
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url.searchParams.set('offset', '0');
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const response = await fetch(url, { cache: 'no-store' });
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if (!response.ok) {
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throw new Error(`115分享接口请求失败 (${response.status})`);
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}
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return parseJson(response);
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}
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async function collectFilesRecursive(shareCode: string, receiveCode: string, cid: string, files: Pan115ShareVideoFile[]) {
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const responseData = await fetchShareDir(shareCode, receiveCode, cid);
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if (!responseData?.data) return;
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if (responseData.data.share_state === 7) {
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throw new Error(responseData.data.shareinfo?.forbid_reason || '链接已过期');
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}
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const list = Array.isArray(responseData.data.list) ? responseData.data.list : [];
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const mediaFiles = list.filter((item: any) => Number(item.fc) === 1 && isMediaFile(String(item.n || '')));
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const folders = list.filter((item: any) => Number(item.fc) === 0);
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mediaFiles.forEach((file: any) => {
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files.push({
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name: String(file.n || ''),
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fileId: String(file.fid || ''),
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shareCode,
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receiveCode,
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size: Number(file.s || 0),
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});
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});
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for (const folder of folders) {
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await collectFilesRecursive(shareCode, receiveCode, String(folder.cid || ''), files);
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}
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}
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export async function listPan115ShareVideos(shareUrl: string, passcode = ''): Promise<Pan115ShareListResult> {
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const { shareCode, receiveCode } = parsePan115ShareUrl(shareUrl, passcode);
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const files: Pan115ShareVideoFile[] = [];
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await collectFilesRecursive(shareCode, receiveCode, shareCode, files);
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files.sort((a, b) => a.name.localeCompare(b.name, 'zh-Hans-CN', { numeric: true, sensitivity: 'base' }));
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if (files.length === 0) {
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throw new Error('115分享中没有可播放的视频文件');
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}
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return {
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title: files.length === 1 ? files[0].name.replace(/\.[^.]+$/, '') : '115网盘立即播放',
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files,
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};
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}
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function bytesToBigInt(bytes: Uint8Array) {
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let value = BigInt(0);
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for (let i = 0; i < bytes.length; i += 1) {
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value = (value << BigInt(8)) | BigInt(bytes[i]);
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}
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return value;
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}
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function bigIntToBytes(value: bigint, length?: number) {
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const hex = value.toString(16);
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const padded = hex.length % 2 === 0 ? hex : `0${hex}`;
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const bytes = Buffer.from(padded, 'hex');
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if (!length) return new Uint8Array(bytes);
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if (bytes.length >= length) return new Uint8Array(bytes.slice(-length));
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const buffer = new Uint8Array(length);
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buffer.set(bytes, length - bytes.length);
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return buffer;
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}
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function* accStep(start: number, stop: number, step = 1): Generator<[number, number, number]> {
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for (let i = start + step; i < stop; i += step) {
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yield [start, i, step];
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start = i;
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}
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if (start !== stop) yield [start, stop, stop - start];
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}
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function bytesXor(v1: Uint8Array, v2: Uint8Array) {
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const result = new Uint8Array(v1.length);
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for (let i = 0; i < v1.length; i += 1) result[i] = v1[i] ^ v2[i];
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return result;
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}
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function xor(src: Uint8Array, key: Uint8Array) {
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const buffer = new Uint8Array(src.length);
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const offset = src.length & 0b11;
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if (offset) buffer.set(bytesXor(src.subarray(0, offset), key.subarray(0, offset)));
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const iterator = accStep(offset, src.length, key.length);
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let next = iterator.next();
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while (!next.done) {
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const [j, k] = next.value;
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buffer.set(bytesXor(src.subarray(j, k), key), j);
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next = iterator.next();
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}
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return buffer;
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}
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function genKey(randKey: Uint8Array, skLen: number) {
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const xorKey = new Uint8Array(skLen);
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let length = skLen * (skLen - 1);
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let index = 0;
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for (let i = 0; i < skLen; i += 1) {
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const x = (randKey[i] + G_KTS[index]) & 0xff;
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xorKey[i] = G_KTS[length] ^ x;
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length -= skLen;
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index += skLen;
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}
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return xorKey;
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}
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function padPkcs1V15(message: Uint8Array) {
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const buffer = new Uint8Array(128);
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buffer.fill(0x02, 1, 127 - message.length);
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buffer.set(message, 128 - message.length);
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return bytesToBigInt(buffer);
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}
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function modPow(base: bigint, exponent: bigint, modulus: bigint) {
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let result = BigInt(1);
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let b = base % modulus;
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let e = exponent;
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while (e > BigInt(0)) {
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if (e & BigInt(1)) result = (result * b) % modulus;
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e >>= BigInt(1);
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b = (b * b) % modulus;
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}
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return result;
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}
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function reverseBytes(bytes: Uint8Array) {
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return Uint8Array.from(Array.from(bytes).reverse());
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}
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function encrypt115(input: string) {
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const data = new Uint8Array(Buffer.from(input, 'utf8'));
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const xorText = new Uint8Array(16 + data.length);
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xorText.set(
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xor(
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reverseBytes(xor(data, new Uint8Array([0x8d, 0xa5, 0xa5, 0x8d]))),
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new Uint8Array([0x78, 0x06, 0xad, 0x4c, 0x33, 0x86, 0x5d, 0x18, 0x4c, 0x01, 0x3f, 0x46])
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),
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16
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);
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const cipherData = new Uint8Array(Math.ceil(xorText.length / 117) * 128);
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let start = 0;
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const iterator = accStep(0, xorText.length, 117);
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let next = iterator.next();
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while (!next.done) {
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const [l, r] = next.value;
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cipherData.set(bigIntToBytes(modPow(padPkcs1V15(xorText.subarray(l, r)), RSA_N, RSA_E), 128), start);
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start += 128;
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next = iterator.next();
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}
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return Buffer.from(cipherData).toString('base64');
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}
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function decrypt115(cipherData: string) {
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const cipherBytes = new Uint8Array(Buffer.from(cipherData, 'base64'));
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const data: number[] = [];
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const iterator = accStep(0, cipherBytes.length, 128);
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let next = iterator.next();
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while (!next.done) {
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const [l, r] = next.value;
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const p = modPow(bytesToBigInt(cipherBytes.subarray(l, r)), RSA_N, RSA_E);
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const b = bigIntToBytes(p);
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const idx = b.indexOf(0);
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data.push(...Array.from(b.subarray(idx + 1)));
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next = iterator.next();
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}
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const keyL = genKey(new Uint8Array(data.slice(0, 16)), 12);
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const tmp = reverseBytes(xor(new Uint8Array(data.slice(16)), keyL));
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const bytes = xor(tmp, new Uint8Array([0x8d, 0xa5, 0xa5, 0x8d]));
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return Buffer.from(bytes).toString('utf8');
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}
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export async function getPan115PlayUrl(file: Pan115ShareVideoFile, cookie: string) {
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const safeCookie = assertPan115CookieHeaderSafe(cookie);
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const payload = `data=${encodeURIComponent(encrypt115(JSON.stringify({
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share_code: file.shareCode,
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receive_code: file.receiveCode,
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file_id: file.fileId,
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})))}`;
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const response = await fetch(PLAY_URL, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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Cookie: safeCookie,
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},
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body: payload,
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cache: 'no-store',
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});
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const responseData = await parseJson(response);
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if (!responseData) {
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throw new Error('115盘无响应数据');
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}
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if (responseData.state === false) {
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const errorMsg = responseData.msg || responseData.error || '未知错误';
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if (String(errorMsg).includes('登录')) {
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throw new Error('115 Cookie 无效，请重新填写');
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}
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throw new Error(`115盘错误: ${errorMsg}`);
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}
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if (!responseData.data || typeof responseData.data !== 'string') {
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throw new Error('115 Cookie 无效，请重新填写');
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}
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const parsed = JSON.parse(decrypt115(responseData.data));
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const playUrl = parsed?.url?.url;
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if (!playUrl) throw new Error('未获取到115播放地址');
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return playUrl as string;
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}
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export async function validatePan115Cookie(cookie: string): Promise<void> {
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assertPan115CookieHeaderSafe(cookie);
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}
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