Example Linkedin Sign In

1const Apify = require('apify');
2
3const humanDelay = ms => (Math.random() + 1) * ms;
4
5const saveScreen = async (page, key) => {
6    const screenshotBuffer = await page.screenshot();
7    await Apify.setValue(key, screenshotBuffer, { contentType: 'image/png' });
8};
9
10/**
11 * Use this class for sign in to linkedin
12 * NOTE: linkedin sometimes can verified user with pin, which is sent to user email. In this case
13 * forward email to 8mxmzpus@robot.zapier.com. It is email parser, which send pin direct to act.
14 * usage: const browser = await Apify.launchPuppeteer({ proxyUrl: proxy.href, headless: true });
15 * const page = await browser.newPage(); const linkedinUtils = new LinkedinUtils(page, user, pwd)
16 * linkedinUtils.login();
17 */
18class LinkedinUtils {
19    /**
20     * @param page - instance of puppeteer page object
21     * @param user - linkedin user
22     * @param pwd - linkedin user password
23     */
24    constructor(page, user, pwd, debugMode = false) {
25        this.page = page;
26        this.user = user;
27        this.pwd = pwd;
28        this.loginPageUrl = 'https://www.linkedin.com/';
29        this.debugMode = debugMode;
30        this.signInCount = 0;
31    }
32
33    async login() {
34        console.log('Sign in ...');
35        if (this.signInCount > 5) {
36            throw new Error('Failed to sign in, check user and password');
37            return;
38        }
39        await this.page.goto(this.loginPageUrl);
40        const userInput = await this.page.$('#login-email');
41        await userInput.type(this.user, humanDelay(100));
42        const pwdInput = await this.page.$('#login-password');
43        await pwdInput.type(this.pwd, { delay: humanDelay(100) });
44        await this.page.click('#login-submit', { delay: humanDelay(100) });
45        await new Promise(resolve => setTimeout(resolve, humanDelay(5000)));
46
47        // Page can contain verification code
48        const isVerifCode = await this.isVerifCode();
49        if (isVerifCode) await this.fillVerifCode();
50
51        // Check if we signed in
52        const isLogged = await this.isAfterLoginPage();
53        if (!isLogged) {
54            //noCaptchaIframe
55            const isCaptcha = await this.isCaptcha();
56            if (isCaptcha) await this.solveCaptcha();
57            const isPhoneForm = await this.isPhoneForm();
58            if (isPhoneForm) await this.page.click('button.secondary-action', { delay: humanDelay(100) });
59            await saveScreen(this.page, 'failed-sign-in');
60            console.log('Sign in again ...');
61            this.signInCount++;
62            return this.login();
63        }
64    }
65
66    async isAfterLoginPage() {
67        const profileButton = !!await this.page.$('.nav-item--profile');
68        return profileButton;
69    }
70
71    async isVerifCode() {
72        const isVerifCode = !!await this.page.$('#verification-code');
73        return isVerifCode;
74    }
75
76    async isCaptcha() {
77        const isCaptcha = !!await this.page.$('#noCaptchaIframe');
78        return isCaptcha;
79    }
80
81    async isPhoneForm() {
82        const isPhoneForm = !!await this.page.$('input#phone-number');
83        return isPhoneForm;
84    }
85
86    async solveCaptcha() {
87        console.log('Star solving captcha...');
88        throw new Error('We found captcha!');
89    }
90
91    async fillVerifCode() {
92        const triedPins = [];
93        const startedAt = new Date();
94        while (true) {
95            const isVerified = await this.isVerifCode();
96            if (!isVerified) break;
97            // check timeout
98            if ((new Date() - startedAt) > 10 * 60 * 1000) {
99                console.log('Waiting for verification code timeouts');
100                break;
101            }
102            console.log('Verification code is needed');
103            if (this.debugMode) await saveScreen(this.page, 'verifCodeForm');
104            // Pin code with key email
105            const object = await Apify.client.keyValueStores.getRecord({
106                storeId: 'Zu2366Fzvw66gMjEk',
107                key: this.user.replace('@', '(at)'),
108            });
109            const emailPin = (object && object.body) ? object.body: '';
110            // Pin code without key email
111            // NOTE: sometimes we can recognise email from email with pin and we save pin with nomail key
112            const objectWithoutMail = await Apify.client.keyValueStores.getRecord({
113                storeId: 'Zu2366Fzvw66gMjEk',
114                key: 'nomail',
115            });
116            const noEmailPin = (objectWithoutMail && objectWithoutMail.body) ? objectWithoutMail.body : '';
117
118            const tryPin = (!emailPin || triedPins.includes(emailPin)) ? noEmailPin : emailPin;
119            console.log(`DEBUG: emailPin: ${emailPin}, noEmailPin: ${noEmailPin}, tryPin: ${tryPin}`);
120            if (tryPin) {
121                if (triedPins.includes(tryPin)) {
122                    console.log(`We tried this ${tryPin} pin yet`);
123                } else if (tryPin === 'newCode') {
124                    console.log('Pin is newCode we clicked on reset pin button');
125                    await this.page.click('#resendCodeATOPinChallenge');
126                } else {
127                    console.log(`Try fill pin from store: ${tryPin}`);
128                    const codeInput = await this.page.$('#verification-code');
129                    // clean exist value TODO: Find better approach
130                    await this.page.$eval('#verification-code', (el) => {
131                        el.value = '';
132                    });
133                    await codeInput.type(tryPin, { delay: humanDelay(100) });
134                    await this.page.click('form[name="ATOPinChallengeForm"] input[name="signin"]', { delay: humanDelay(100) });
135                    triedPins.push(tryPin);
136                }
137            } else {
138                console.log('Pin is not in kvs');
139            }
140            await new Promise(resolve => setTimeout(resolve, humanDelay(8000)));
141        }
142    }
143}
144
145Apify.main(async () => {
146    const input = await Apify.getValue('INPUT');
147
148    const user = input.user || process.env.USER;
149    const pwd = input.pwd || process.env.PWD;
150    const proxyUrl = input.proxyUrl || process.env.PROXY_URL;
151
152    console.log('Launching Puppeteer...');
153    const opts = {
154        args: [
155            '--disable-web-security',
156        ],
157    };
158    if (proxyUrl) opts.proxyUrl = input.proxyUrl;
159
160    const browser = await Apify.launchPuppeteer(opts);
161
162    const page = await browser.newPage();
163    await page.setUserAgent('Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko');
164
165    const linkedinUtils = new LinkedinUtils(page, user, pwd);
166    await linkedinUtils.login();
167
168    // Crawl linkedin as logged user
169    await page.goto('https://www.linkedin.com/mynetwork/');
170    await new Promise(resolve => setTimeout(resolve, humanDelay(8000)));
171    const networkCount = await page.$eval('h3.mn-connections-summary__count', el => el.innerText);
172    console.log(`You have ${networkCount} people in your linkedin network.`);
173
174    console.log('Closing Puppeteer...');
175
176    await browser.close();
177
178    await Apify.setValue('OUTPUT', { networkCount });
179
180    console.log('Done.');
181});