Add keepalive task

Author: ROODAY

.env.example

@@ -1,5 +1,6 @@
 ENTRY_POINT=https://shib-test.bu.edu/idp/profile/SAML2/Redirect/SSO
 CALLBACK_URL=https://app.bostonhacks.io/login/callback
+KEEPALIVE_URL=https://app.bostonhacks.io/keepalive
 ISSUER=https://app.bostonhacks.io/shibboleth
 SESSION_SECRET=secret
 

app.js

@@ -1,4 +1,6 @@
 const fs = require("fs");
+const cron = require("node-cron");
+const fetch = require("node-fetch");
 const admin = require("firebase-admin");
 const { v4: uuidv4 } = require("uuid");
 const express = require("express");
@@ -181,3 +183,10 @@ app.use(function(err, req, res, next) {
 
 const serverPort = process.env.PORT || 3030;
 app.listen(serverPort, () => console.log(`Listening on port ${serverPort}`));
+
+console.log(`Starting keepalive for ${process.env.KEEPALIVE_URL}`);
+cron.schedule("0 */25 * * * *", () =>
+  fetch(process.env.KEEPALIVE_URL)
+    .then(res => console.log(`response-ok: ${res.ok}, status: ${res.status}`))
+    .catch(console.error)
+);

package.json

@@ -10,6 +10,8 @@
     "express-session": "^1.17.0",
     "firebase-admin": "^9.0.0",
     "firestore-store": "^2.0.1",
+    "node-cron": "^2.0.3",
+    "node-fetch": "^2.6.0",
     "passport": "^0.4.1",
     "passport-saml": "^1.3.3",
     "uuid": "^8.2.0"

yarn.lock

@@ -1462,6 +1462,14 @@ negotiator@0.6.2:
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
   integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
 
+node-cron@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/node-cron/-/node-cron-2.0.3.tgz#b9649784d0d6c00758410eef22fa54a10e3f602d"
+  integrity sha512-eJI+QitXlwcgiZwNNSRbqsjeZMp5shyajMR81RZCqeW0ZDEj4zU9tpd4nTh/1JsBiKbF8d08FCewiipDmVIYjg==
+  dependencies:
+    opencollective-postinstall "^2.0.0"
+    tz-offset "0.0.1"
+
 node-fetch@^2.2.0, node-fetch@^2.3.0, node-fetch@^2.6.0:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
@@ -1503,6 +1511,11 @@ onetime@^5.1.0:
   dependencies:
     mimic-fn "^2.1.0"
 
+opencollective-postinstall@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/opencollective-postinstall/-/opencollective-postinstall-2.0.3.tgz#7a0fff978f6dbfa4d006238fbac98ed4198c3259"
+  integrity sha512-8AV/sCtuzUeTo8gQK5qDZzARrulB3egtLzFgteqB2tcT4Mw7B8Kt7JcDHmltjz6FOAHsvTevk70gZEbhM4ZS9Q==
+
 optionator@^0.9.1:
   version "0.9.1"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.9.1.tgz#4f236a6373dae0566a6d43e1326674f50c291499"
@@ -2016,6 +2029,11 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
+tz-offset@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/tz-offset/-/tz-offset-0.0.1.tgz#fef920257024d3583ed9072a767721a18bdb8a76"
+  integrity sha512-kMBmblijHJXyOpKzgDhKx9INYU4u4E1RPMB0HqmKSgWG8vEcf3exEfLh4FFfzd3xdQOw9EuIy/cP0akY6rHopQ==
+
 uid-safe@~2.1.5:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/uid-safe/-/uid-safe-2.1.5.tgz#2b3d5c7240e8fc2e58f8aa269e5ee49c0857bd3a"