Merge pull request #424 from postmanlabs/MARKENG-3397-PROD

[MARKENG-3397][c] add fingerprintJs & pmt.user variable [cherry-pick from develop, for PROD]

bff.js

@@ -27,18 +27,30 @@ const UACode = 'G-X3S374SEP0';
 const prefetch = async () => {
   const script = `
 ${pmt}
+const fpPromise = import('/fp.js')
+  .then(FingerprintJS => FingerprintJS.load());
 setTimeout(function(){
   var propertyName = 'covid-19-apis';
   if (window.pmt) {
     window.pmt('setScalp', [{
       property: propertyName
     }]);
-    window.pmt('scalp', [
-      'pm-analytics',
-      'load',
-      document.location.pathname
-    ]);
-    window.pmt('trackClicks');
+    const initPmt = function() {
+      window.pmt('scalp', [
+        'pm-analytics',
+        'load',
+        document.location.pathname
+      ]);
+      window.pmt('trackClicks');
+    }
+
+    fpPromise
+      .then(fp => fp.get())
+      .then(result => {
+        window.pmt('set', ['user', {fingerprint: result}]);
+        initPmt();
+      })
+      .catch(() => initPmt());
 
     var _ga = (document.cookie.match('(^|;) ?_ga=([^;]*)(;|$)') || [])[2];
     var _PUB_ID = (document.cookie.match('(^|;) ?_PUB_ID=([^;]*)(;|$)') || [])[2];

build/bffData.js

@@ -2,11 +2,14 @@ const fs = require('fs');
 const fetch = require('node-fetch');
 const path = require('path');
 const sh = require('shelljs');
+const cacheCdn = require('./cacheCdn');
 
 const TIME = (new Date()).getTime();
 const api = 'https://www.postman.com/mkapi';
 const url = `${api}/worker.json?${TIME}`;
 
+cacheCdn('https://fpjscdn.net/v3/vytU6aPKbOCzx72ch0fn', 'fp');
+
 const bffData = () => new Promise((resolve) => {
   fetch(url).then((res) => {
     res.text().then((resp) => {

build/cacheCdn.js

@@ -0,0 +1,23 @@
+const fs = require('fs');
+const path = require('path');
+const sh = require('shelljs');
+
+async function cacheCdn(url, name) {
+  const fetch = (await import('node-fetch')).default;
+
+  sh.exec('mkdir -p public');
+
+  fetch(url).then((res) => {
+    res.text().then((resp) => {
+      if (resp) {
+        fs.writeFile(path.join('public', `${name}.js`), resp, (err) => {
+          if (err) {
+            throw err;
+          }
+        });
+      }
+    });
+  });
+}
+
+module.exports = cacheCdn;

build/fp.js

@@ -0,0 +1,3 @@
+const cacheCdn = require('./cacheCdn');
+
+cacheCdn('https://fpjscdn.net/v3/vytU6aPKbOCzx72ch0fn', 'fp');