From bc522efcd24d888b6ea1e43ba44a34281ac864fc Mon Sep 17 00:00:00 2001
From: Artem Bulgakov <ArtemSBulgakov@ya.ru>
Date: Sun, 14 Jul 2024 18:46:29 +0300
Subject: [PATCH] feat: send session keepalive requests every 5 minutes

---
 src/entrypoints/content-script-moodle/index.ts             | 2 ++
 src/entrypoints/content-script-moodle/session-keepalive.js | 4 ++++
 src/features/autologin/content-script.ts                   | 7 +++++++
 src/manifest.ts                                            | 5 +++++
 4 files changed, 18 insertions(+)
 create mode 100644 src/entrypoints/content-script-moodle/session-keepalive.js

diff --git a/src/entrypoints/content-script-moodle/index.ts b/src/entrypoints/content-script-moodle/index.ts
index 7e9e9fc..7b36fe1 100644
--- a/src/entrypoints/content-script-moodle/index.ts
+++ b/src/entrypoints/content-script-moodle/index.ts
@@ -1,4 +1,5 @@
 import {
+  injectSessionKeepalive,
   redirectFromLogin,
   refreshPageOnAutologin,
   requestAutologinIfNeeded,
@@ -23,6 +24,7 @@ onMessage('AUTOLOGIN_FAILED', () => {
 function main() {
   sendMessage('MOODLE_LOAD')
   requestAutologinIfNeeded()
+  injectSessionKeepalive()
 }
 
 main()
diff --git a/src/entrypoints/content-script-moodle/session-keepalive.js b/src/entrypoints/content-script-moodle/session-keepalive.js
new file mode 100644
index 0000000..ad8776e
--- /dev/null
+++ b/src/entrypoints/content-script-moodle/session-keepalive.js
@@ -0,0 +1,4 @@
+// Touch session regularly to keep it alive
+setInterval(() => {
+  require('core/ajax').call([{ methodname: 'core_session_touch', args: {} }])
+}, 5 * 60 * 1000) // 5 minutes
diff --git a/src/features/autologin/content-script.ts b/src/features/autologin/content-script.ts
index 5c67dfa..0a9bb20 100644
--- a/src/features/autologin/content-script.ts
+++ b/src/features/autologin/content-script.ts
@@ -69,3 +69,10 @@ export function showAutologinNotification() {
     notification.remove()
   }, 2000)
 }
+
+export function injectSessionKeepalive() {
+  const script = document.createElement('script')
+  script.type = 'text/javascript'
+  script.src = chrome.runtime.getURL('src/entrypoints/content-script-moodle/session-keepalive.js')
+  document.body.appendChild(script)
+}
diff --git a/src/manifest.ts b/src/manifest.ts
index 1b3cb6a..a26d4d2 100644
--- a/src/manifest.ts
+++ b/src/manifest.ts
@@ -31,6 +31,11 @@ export default defineManifest({
       resources: ['icons/logo-16.png', 'icons/logo-32.png', 'icons/logo-48.png', 'icons/logo-128.png'],
       matches: [],
     },
+    {
+      // Injected into the moodle page to keep the session alive
+      resources: ['src/entrypoints/content-script-moodle/session-keepalive.js'],
+      matches: ['https://moodle.innopolis.university/*'],
+    },
   ],
 
   permissions: [