const fs = require('fs') const path = require('path') const playlistParser = require('iptv-playlist-parser') const axios = require('axios') const zlib = require('zlib') const epgParser = require('epg-parser') const urlParser = require('url') const escapeStringRegexp = require('escape-string-regexp') const markdownInclude = require('markdown-include') const iso6393 = require('iso-639-3') let cache = {} let helper = {} helper.sortBy = function (arr, fields) { return arr.sort((a, b) => { for (let field of fields) { if (a[field].toLowerCase() < b[field].toLowerCase()) { return -1 } if (a[field].toLowerCase() > b[field].toLowerCase()) { return 1 } } return 0 }) } helper.createDir = function (dir) { if (!fs.existsSync(dir)) { fs.mkdirSync(dir) } } helper.compileMarkdown = function (filepath) { return markdownInclude.compileFiles(path.resolve(__dirname, filepath)) } helper.escapeStringRegexp = function (scring) { return escapeStringRegexp(string) } helper.getISO6391Name = function (code) { const lang = iso6393.find((l) => l.iso6393 === code.toLowerCase()) return lang && lang.name ? lang.name : null } helper.getISO6391Code = function (name) { const lang = iso6393.find((l) => l.name === name) return lang && lang.iso6393 ? lang.iso6393 : null } helper.parsePlaylist = function (filename) { const content = this.readFile(filename) const result = playlistParser.parse(content) return new Playlist(result) } helper.parseEPG = async function (url) { const content = await this.getEPG(url) const result = epgParser.parse(content) const channels = {} for (let channel of result.channels) { channels[channel.id] = channel } return Promise.resolve({ url, channels, }) } helper.getEPG = function (url) { return new Promise((resolve, reject) => { var buffer = [] axios({ method: 'get', url: url, responseType: 'stream', timeout: 60000, }) .then((res) => { let stream if (/\.gz$/i.test(url)) { let gunzip = zlib.createGunzip() res.data.pipe(gunzip) stream = gunzip } else { stream = res.data } stream .on('data', function (data) { buffer.push(data.toString()) }) .on('end', function () { resolve(buffer.join('')) }) .on('error', function (e) { reject(e) }) }) .catch((e) => { reject(e) }) }) } helper.readFile = function (filename) { return fs.readFileSync(path.resolve(__dirname) + `/../${filename}`, { encoding: 'utf8' }) } helper.appendToFile = function (filename, data) { fs.appendFileSync(path.resolve(__dirname) + '/../' + filename, data) } helper.createFile = function (filename, data = '') { fs.writeFileSync(path.resolve(__dirname) + '/../' + filename, data) } helper.getBasename = function (filename) { return path.basename(filename, path.extname(filename)) } helper.getUrlPath = function (u) { let parsed = urlParser.parse(u) let searchQuery = parsed.search || '' let path = parsed.host + parsed.pathname + searchQuery return path.toLowerCase() } helper.generateTable = function (data, options) { let output = '\n' output += '\t\n\t\t' for (let column of options.columns) { output += `` } output += '\n\t\n' output += '\t\n' for (let item of data) { output += '\t\t' let i = 0 for (let prop in item) { const column = options.columns[i] let nowrap = column.nowrap let align = column.align output += `` i++ } output += '\n' } output += '\t\n' output += '
${column.name}
${item[prop]}
' return output } helper.createChannel = function (data) { return new Channel(data) } helper.writeToLog = function (country, msg, url) { var now = new Date() var line = `${country}: ${msg} '${url}'` this.appendToFile('error.log', now.toISOString() + ' ' + line + '\n') } helper.parseMessage = function (err, u) { if (!err || !err.message) return const msgArr = err.message.split('\n') if (msgArr.length === 0) return const line = msgArr.find((line) => { return line.indexOf(u) === 0 }) if (!line) return return line.replace(`${u}: `, '') } class Playlist { constructor(data) { this.header = data.header this.items = data.items this.changed = false } getHeader() { let parts = ['#EXTM3U'] for (let key in this.header.attrs) { let value = this.header.attrs[key] if (value) { parts.push(`${key}="${value}"`) } } return `${parts.join(' ')}\n` } } class Channel { constructor(data) { this.id = data.tvg.id this.name = data.tvg.name this.language = data.tvg.language .split(';') .filter((l) => !!helper.getISO6391Code(l)) .join(';') this.logo = data.tvg.logo this.group = this._filterGroup(data.group.title) this.url = data.url this.title = data.name.trim() this.userAgent = data.http['user-agent'] this.referrer = data.http['referrer'] } _filterGroup(groupTitle) { if (!groupTitle) return '' const supportedCategories = [ 'Auto', 'Business', 'Classic', 'Comedy', 'Documentary', 'Education', 'Entertainment', 'Family', 'Fashion', 'Food', 'General', 'Health', 'History', 'Hobby', 'Kids', 'Legislative', 'Lifestyle', 'Local', 'Movies', 'Music', 'News', 'Quiz', 'Religious', 'Sci-Fi', 'Shop', 'Sport', 'Travel', 'Weather', 'XXX', ] const groupIndex = supportedCategories .map((g) => g.toLowerCase()) .indexOf(groupTitle.toLowerCase()) if (groupIndex === -1) { groupTitle = '' } else { groupTitle = supportedCategories[groupIndex] } return groupTitle } toString() { const country = this.countryCode.toUpperCase() const epg = this.id && this.epg ? this.epg : '' let info = `-1 tvg-id="${this.id}" tvg-name="${this.name}" tvg-language="${this.language}" tvg-logo="${this.logo}" tvg-country="${country}" tvg-url="${epg}" group-title="${this.group}",${this.title}` if (this.referrer) { info += `\n#EXTVLCOPT:http-referrer=${this.referrer}` } if (this.userAgent) { info += `\n#EXTVLCOPT:http-user-agent=${this.userAgent}` } return '#EXTINF:' + info + '\n' + this.url + '\n' } toShortString() { let info = `-1 tvg-id="${this.id}" tvg-name="${this.name}" tvg-language="${this.language}" tvg-logo="${this.logo}" group-title="${this.group}",${this.title}` if (this.referrer) { info += `\n#EXTVLCOPT:http-referrer=${this.referrer}` } if (this.userAgent) { info += `\n#EXTVLCOPT:http-user-agent=${this.userAgent}` } return '#EXTINF:' + info + '\n' + this.url + '\n' } } module.exports = helper