marcosdsdba
commented
2 years ago 'use strict';
const request = require('request'); const fs = require('fs'); const axios = require('axios'); const logger = require('./utils/logger') require('dotenv').config()
main(process.env.ACCOUNT, process.env.COURSE_DOWNLOAD);
/**
- main function, where the magic happens
- @param {string} account
-
@param {string} course */ async function main(account, course) {
let [_, id_course] = course.split('course/'); let [email, pwd] = account.split(':');
logger.log(1, {email, pwd}); let access_token = await sign_in(email, pwd);
if (!access_token) { logger.log(2, {email, pwd}); return; }
logger.log(6, {email, pwd});
logger.log(7, {email, pwd}); let parse = await get_course(access_token, id_course);
logger.log(8, {email, pwd}); let infos = JSON.parse(parse);
//console.log(infos);
logger.log(3, {id: infos.id, slug: infos.slug, name: infos.name, totalVideoTime: infos.totalVideoTime});
//process.exit()
//let folderName = infos.slug; let folderName = infos.name.replace(':', ' -').toLowerCase(); create_folder(folderName)
for (const title of infos.sections) {
// console.log(title.titulo.replace('?', '').replace(' ', '').replace(' ','-').toLowerCase());
//process.exit()
//create_folder(`${folderName}`); create_folder(`${folderName}/${title.position} - ${title.titulo.replace('?', '').replace(' ', '').replace(' ','-').toLowerCase()}`); for (const lesson of title.videos) { let folderLesson = lesson.nome.replace(':', ' -').toLowerCase(); let url = await get_video(lesson.id, infos.slug, access_token); logger.log(5, {lesson: lesson.nome, id: lesson.id}) //video_download(`${folderName}/${lesson.position} - ${folderLesson}.mp4`, url, folderLesson) video_download(`${folderName}/${title.position} - ${title.titulo.replace('?', '').replace(' ', '').replace(' ','-').toLowerCase()}/${lesson.position} - ${folderLesson}.mp4`, url, folderLesson) }}
}
/**
- Login in account
- @param {string} mail
-
@param {string} pass */ async function sign_in(mail, pass) {
let res = await http_request({ url: 'https://cursos.alura.com.br/mobile/token', method: 'POST', body:
password=${pass}&client_secret=3de44ac5f5bccbcfba14a77181fbdbb9&client_id=br.com.alura.mobi&username=${mail}&grant_type=password, headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'User-Agent': 'alura-mobi/android', 'Host': 'cursos.alura.com.br', 'Connection': 'Keep-Alive' } })if (res.body.includes('access_token')) return JSON.parse(res.body).access_token;
return false
}
/**
- get link video for download
- @param {int} id
- @param {string} slug
-
@param {string} token */ async function get_video(id, slug, token) {
let res = await http_request({ url:
https://cursos.alura.com.br/mobile/courses/${slug}/busca-video-${id}, headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'User-Agent': 'alura-mobi/android', 'Host': 'cursos.alura.com.br', 'Authorization':Bearer ${token}, 'Connection': 'Keep-Alive' } });let [hd, sd] = JSON.parse(res.body); return hd.link;
}
/**
- get course: video list and informations
- @param {sting} access_token
-
@param {string} course */ async function get_course(access_token, course) {
let res = await http_request({ url:
https://cursos.alura.com.br/mobile/v2/course/${course}, headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'User-Agent': 'alura-mobi/android', 'Host': 'cursos.alura.com.br', 'Authorization':Bearer ${access_token}, 'Connection': 'Keep-Alive' } })return res.body
}
/**
- video downloand and save in path
- @param {string} path
-
@param {string} url */ async function video_download(path, url, title) {
const response = await axios({ method: 'GET', url: url, responseType: 'stream' })
response.data.pipe(fs.createWriteStream(path))
return new Promise((resolve, reject) => { response.data.on('end', () => { logger.log(9, {title}) resolve() })
response.data.on('error', () => { reject() })}) }
/**
- send http request with proxy
- @param {object} options */ function http_request(options) { return new Promise(resolve => request(options, (error, response, body) => resolve({error, response, body}))) }
/**
- create folder
- @param {string} dir */ function create_folder(dir) { if (!fs.existsSync(dir)) { fs.mkdirSync(dir); } }
brunodelucasbarbosa
anilsonlopes
heliomarpm
akupac
Patrick-Carlos
undefined:1
SyntaxError: Unexpected end of JSON input at JSON.parse ()
at main (C:\Users\Marcos\Downloads\gengar\index.js:35:22)
at processTicksAndRejections (node:internal/process/task_queues:96:5)
If you see this error use the code below in next post: