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 ISO6391 = require('iso-639-1') const escapeStringRegexp = require('escape-string-regexp') const markdownInclude = require('markdown-include') 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) { return ISO6391.getName(code) } helper.getISO6391Code = function(name) { return ISO6391.getCode(name) } 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.filterPlaylists = function(arr, include = '', exclude = '') { if(include) { const included = include.split(',').map(filename => `channels/${filename}.m3u`) return arr.filter(i => included.indexOf(i.url) > -1) } if(exclude) { const excluded = exclude.split(',').map(filename => `channels/${filename}.m3u`) return arr.filter(i => excluded.indexOf(i.url) === -1) } return arr } 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}
${item[prop]}
' return output } helper.createChannel = function(data) { return new Channel({ id: data.tvg.id, name: data.tvg.name, language: data.tvg.language, logo: data.tvg.logo, group: data.group.title, url: data.url, title: data.name }) } helper.writeToLog = function(country, msg, url) { var now = new Date() var line = `${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.id this.name = data.name this.language = this._filterLanguage(data.language) this.logo = data.logo this.group = this._filterGroup(data.group) this.url = data.url this.title = data.title } _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 } _filterLanguage(languageName) { if(ISO6391.getCode(languageName) !== '') { return languageName } return '' } toString() { const country = this.countryCode.toUpperCase() const epg = (this.id && this.epg) ? this.epg : '' const 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}` return '#EXTINF:' + info + '\n' + this.url + '\n' } toShortString() { const info = `-1 tvg-id="${this.id}" tvg-name="${this.name}" tvg-language="${this.language}" tvg-logo="${this.logo}" group-title="${this.group}",${this.title}` return '#EXTINF:' + info + '\n' + this.url + '\n' } } module.exports = helper