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scrape-linkedin.js
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var phantom = require('phantom');
var request = require('request');
//
// DEFAULT Config
//
const EMAIL = 'justforyou@kingkong.fr'; // login email > CAN BE CHANGED
const PASSWORD = 'iamsecured'; // login pwd > CAN BE CHANGED
const DEBUG = false; // set true to debug
//
// OBJECT
//
var ScrapeLinkedin = function(config){
config = config || {};
this.debug = config.debug || DEBUG;
// Token used to fetch user profiles
this.linkedinToken = {
'name' : 'li_at',
'value' : config.liAt || config.token || '',
'domain' : '.www.linkedin.com',
'path' : '/',
'httponly' : true,
'secure' : true,
'expires' : new Date("2217-11-11T18:24:17.000Z").getTime()
};
// Used to login to linkedin
this.loginCsrf = config.loginCsrf || null;
this.loginCookies = config.loginCookies || null;
this.loginEmail = config.loginEmail || EMAIL;
this.loginPassword = config.loginPassword || PASSWORD;
};
//
// FETCH LINKEDIN PROFILE
//
ScrapeLinkedin.prototype.fetchLinkedinProfile = function(username){
const self = this;
return new Promise((resolve, reject) => {
phantom.create().then(function(ph){
ph.createPage().then( function(page){
page.setting('javascriptEnabled', true);
page.setting('cookiesEnabled', true);
page.addCookie(self.linkedinToken);
if(self.debug)
console.log("Fetch linkedin: " + username);
return page.open("https://www.linkedin.com/in/" + username)
.then(function(status){
return page.evaluate(function(){
//
// Query helpers
//
function getText(selector){
return get(selector) ? get(selector).textContent : "";
};
function get(selector){
return document.querySelector(selector) ? document.querySelector(selector) : false;
};
function getTextArray(mainSelector, textSelector){
var tmp = document.querySelectorAll(mainSelector);
var array = [];
if(tmp.length > 0){
for(var k = 0 ; k < tmp.length ; k++){
if(tmp[k].querySelector(textSelector))
array.push(tmp[k].querySelector(textSelector).textContent);
else
array.push(tmp[k].textContent);
}
}
return array;
};
function getJson(mainSelector, json){
var tmp = document.querySelectorAll(mainSelector);
var array = [];
if(tmp.length > 0){
for(var k = 0 ; k < tmp.length ; k++){
var jsonResult = {};
for(var j in json){
jsonResult[j] = tmp[k].querySelector(json[j]) ? tmp[k].querySelector(json[j]).textContent : "";
}
array.push(jsonResult);
}
}
return array;
};
function getPicture(selector){
return document.querySelector(selector) ? document.querySelector(selector).getAttribute("src") : "";
};
//
// Parsing -> can often change /!\
//
var user = {};
user.fullName = getText(".full-name");
user.title = getText(".title");
user.locality = getText(".locality");
user.industry = getText(".industry");
user.profilePicture = getPicture(".profile-picture img");
user.curentCompany = getTextArray("#overview-summary-current li", "span");
user.previousCompanies = getTextArray("#overview-summary-past li", "span");
user.languages = getJson("#languages-view .section-item", {
"language":"h4",
"level":"div"
});
user.experiences = getJson("#background-experience > div", {
"title":"header h4",
"company":"header h5:not(.experience-logo)",
"since":".experience-date-locale time:nth-child(1)",
"until":".experience-date-locale time:nth-child(2)",
"location":".experience-date-locale .locality",
"description":".description"
});
user.skills = getJson("#profile-skills .skill-pill", {
"recommendations":".endorse-count",
"name":".endorse-item-name"
});
user.educations = getJson("#background-education .education", {
"title":"header h4",
"degree":"header h5 .degree",
"major":"header h5 .major",
"date":".education-date"
});
user.volonteers = getJson("#background-volunteering .experience", {
"title":"h4",
"association":"h5:not(.volunteering-logo)",
"major":"header h5 .major",
"since":".volunteering-date-cause time:nth-child(1)",
"until":".volunteering-date-cause time:nth-child(2)",
"location":".volunteering-date-cause .locality",
"description":".description"
});
return user;
})
.then(function(result){
resolve(result);
return ph.exit();
})
.catch(err => reject(err));
});
});
});
});
};
//
// LOG INTO LINKEDIN -> get token
//
ScrapeLinkedin.prototype.getToken = function(){
const self = this;
var form = {
'loginCsrfParam':self.loginCsrf,
'session_key':self.loginEmail,
'session_password':self.loginPassword
};
var tokenOptions = {
method: 'POST',
url: 'https://www.linkedin.com/uas/login-submit',
headers:
{
'cache-control': 'no-cache',
'cookie': self.loginCookies,
'accept-language': 'fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4',
'accept-encoding': 'gzip, deflate',
'referer': 'https://www.linkedin.com/',
'accept': '*/*',
'content-type': 'application/x-www-form-urlencoded',
'user-agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.130 Safari/537.36',
'x-requested-with': 'XMLHttpRequest',
'origin': 'https://www.linkedin.com',
'x-isajaxform': '1'
},
'form': form
};
return new Promise(function(resolve, reject){
request(tokenOptions, function (error, response, body) {
if (error) throw new Error(error);
const cookies = response.headers["set-cookie"];
var liAt = "";
for(var i = 0; i<cookies.length; i++){
if(/^li_at/.test(cookies[i])){
liAt = cookies[i];
break;
}
}
if(liAt == ""){
return reject("no token found");
}
liAt = liAt.split("=")[1].split(";")[0];
return resolve(liAt);
});
});
};
//
// If token is not set, update token
//
ScrapeLinkedin.prototype.updateTokenIfNeeded = function(){
const self = this;
return new Promise(function(resolve, reject){
if(self.linkedinToken.value == ""){
if(self.debug)
console.log("fetch linkedin token");
self.getToken()
.then(function(res){
if(self.debug)
console.log("linkedin token received:", res);
self.linkedinToken.value = res;
resolve(res);
})
.catch(function(err){
reject(err);
});
}
});
};
//
// Get CSRF and Cookies if needed
//
var cookiesOptions = {
method: 'GET',
url: 'https://www.linkedin.com/uas/login-submit',
headers:
{
'Accept':'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
'Accept-Encoding':'gzip, deflate, br',
'Accept-Language':'fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4',
'Cache-Control':'max-age=0',
'Connection':'keep-alive',
'Host':'www.linkedin.com',
'Upgrade-Insecure-Requests':1,
'User-Agent':'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36'
}
};
ScrapeLinkedin.prototype.fetchCsrfAndCookies = function(){
return new Promise(function(resolve, reject){
request(cookiesOptions, function (error, response, body) {
if (error) throw new Error(error);
const cookies = response.headers["set-cookie"];
var strCookies = "";
var csrf = null
cookies.map(v =>{
if(/bcookie=/.test(v))
csrf = v.split('"')[1].split("&")[1];
strCookies += v.split(";")[0] +"; ";
});
resolve({
cookies : strCookies,
csrf : csrf
});
});
});
};
//
// Update cookie if needed
//
ScrapeLinkedin.prototype.updateCsrfAndCookiesIfNeeded = function(){
const self = this;
return new Promise((resolve, reject)=>{
if(self.loginCsrf == null || self.loginCookies == null){
if(self.debug)
console.log("fetch default cookies and csrf");
self.fetchCsrfAndCookies().then(json =>{
self.loginCsrf = json.csrf;
self.loginCookies = json.cookies;
if(self.debug)
console.log("default cookies and csrf are:", json);
resolve();
}).catch(err => {
reject(err);
});
}else{
return resolve();
}
});
};
//
// Login to linkedin if needed, get the token if needed and THEN fetch profile
//
ScrapeLinkedin.prototype.bindIfNeededThenfetch = function(username){
const self = this;
return new Promise((resolve, reject) => {
self.updateCsrfAndCookiesIfNeeded().then()
.then(()=>{
self.updateTokenIfNeeded()
.then(()=>{
self.fetchLinkedinProfile(username).then(profile => resolve(profile)).catch(err => reject(err));
})
.catch(function(err){
reject(err);
});
})
.catch(err => {
reject(err);
});
});
};
ScrapeLinkedin.prototype.now = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
ScrapeLinkedin.prototype.love = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
ScrapeLinkedin.prototype.get = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
ScrapeLinkedin.prototype.fetch = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
ScrapeLinkedin.prototype.scrape = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
ScrapeLinkedin.prototype.kingkong = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
ScrapeLinkedin.prototype.zidane = ScrapeLinkedin.prototype.bindIfNeededThenfetch;
//
// Example of use
//
/*
var scrapper = new ScrapeLinkedin();
scrapper.fetch("charlyberthet").then(profile => console.log(profile)).catch(err => console.log(err));
*/
// EXPORT
module.exports = ScrapeLinkedin;