From c4f379ff1c3bfcc4be8e3948b4f33ed69357ea30 Mon Sep 17 00:00:00 2001
From: Adrian Bonpin <adrianbonpin@gmail.com>
Date: Tue, 18 Aug 2026 15:47:15 +0800
Subject: [PATCH] feat: content script for auto-login, privacy, scraping

---
 content.js | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 content.js

diff --git a/content.js b/content.js
new file mode 100644
index 0000000..446a951
--- /dev/null
+++ b/content.js
@@ -0,0 +1,142 @@
+(function () {
+  'use strict';
+
+  const MASTER_KEY = 'enabled';
+
+  async function isEnabled() {
+    const { enabled } = await browser.storage.local.get(MASTER_KEY);
+    return enabled !== false;
+  }
+
+  function autoAcceptPrivacy() {
+    const modal = document.getElementById('myModal');
+    if (!modal) return;
+    const checkbox = document.getElementById('Confirmation');
+    const submit = document.getElementById('Submit');
+    if (checkbox && !checkbox.checked) checkbox.click();
+    if (submit) submit.click();
+  }
+
+  function watchPrivacyModal() {
+    autoAcceptPrivacy();
+    const observer = new MutationObserver(() => autoAcceptPrivacy());
+    observer.observe(document.body, { childList: true, subtree: true });
+    setTimeout(() => observer.disconnect(), 30000);
+  }
+
+  async function autoLogin() {
+    const { profiles } = await browser.storage.local.get('profiles');
+    const active = (profiles || []).find((p) => p.enabled);
+    if (!active) return;
+    const userField = document.querySelector(
+      'input[name="UserName"], input[name="username"], input[id="UserName"], input[id="username"]'
+    );
+    const passField = document.querySelector('input[type="password"]');
+    if (!userField || !passField) return;
+    userField.value = active.username;
+    passField.value = active.password;
+    userField.dispatchEvent(new Event('input', { bubbles: true }));
+    passField.dispatchEvent(new Event('input', { bubbles: true }));
+    const form = userField.closest('form') || passField.closest('form');
+    if (!form) return;
+    setTimeout(() => {
+      const submitBtn = form.querySelector('input[type="submit"], button[type="submit"]');
+      if (submitBtn) submitBtn.click();
+      else form.submit();
+    }, 300);
+  }
+
+  async function fetchCourseDescription(courseCode, academicPeriod, academicYear, token) {
+    const body = new URLSearchParams();
+    body.set('Courses', courseCode);
+    body.set('AcademicPeriod', academicPeriod);
+    body.set('AcademicYear', academicYear);
+    body.set('AjaxFormVM.Controller', 'CourseSchedule');
+    body.set('AjaxFormVM.Action', 'CourseScheduleOffered');
+    body.set('AjaxFormVM.ResultTargetId', 'CourseScheduleOfferedList');
+    body.set('AjaxFormVM.LinkToReturn', '');
+    body.set('AjaxFormVM.LinkToReturnTargetId', '');
+    body.set('AjaxFormVM.FormHeader', 'Choose term to view courses offered');
+    body.set('AjaxFormVM.FormHeaderIcon', '');
+    body.set('AjaxFormVM.FormId', 'CourseScheduleCourseScheduleOffered');
+    body.set('AjaxFormVM.ShowCloseButton', 'True');
+    body.set('AjaxFormVM.PreventAutoUpdateTarget', 'True');
+    body.set('AjaxFormVM.CloseModalAfterSubmit', 'False');
+    body.set('AjaxFormVM.AjaxFormType', 'Search');
+    body.set('AjaxFormVM.FormNoteLocation', '');
+    body.set('AjaxFormVM.SubmitButton.FaIcon', '');
+    body.set('AjaxFormVM.SubmitButton.ButtonText', '');
+    body.set('AjaxFormVM.SubmitButton.ButtonSize', '');
+    body.set('__RequestVerificationToken', token);
+    const resp = await fetch('/CourseSchedule/CourseScheduleOffered?Length=14', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+        'X-Requested-With': 'XMLHttpRequest'
+      },
+      body: body.toString(),
+      credentials: 'same-origin'
+    });
+    const html = await resp.text();
+    const courses = ISMIStools.parseOfferedCourses(html);
+    const match = courses.find((c) => c.courseCode === courseCode);
+    return match ? match.description : '';
+  }
+
+  function extractTotalUnits(text) {
+    const m = /Total Units:\s*([\d.]+)/i.exec(text);
+    return m ? m[1] : '';
+  }
+
+  async function scrapeStudyLoad() {
+    const table = document.querySelector('table.table-forum');
+    if (!table) throw new Error('No study load table found on this page.');
+    const courses = ISMIStools.parseStudyLoadTable(table.outerHTML);
+    if (!courses.length) throw new Error('No courses found in study load table.');
+
+    const periodEl = document.getElementById('AcademicPeriod');
+    const yearEl = document.getElementById('AcademicYear');
+    const tokenEl = document.querySelector('input[name="__RequestVerificationToken"]');
+    const academicPeriod = periodEl ? periodEl.value : '';
+    const academicYear = yearEl ? yearEl.value : '';
+    const token = tokenEl ? tokenEl.value : '';
+
+    const uniqueCodes = [...new Set(courses.map((c) => c.courseCode))];
+    const descMap = {};
+    for (const code of uniqueCodes) {
+      try {
+        descMap[code] = await fetchCourseDescription(code, academicPeriod, academicYear, token);
+      } catch (e) {
+        descMap[code] = '';
+      }
+    }
+    courses.forEach((c) => { c.description = descMap[c.courseCode] || ''; });
+
+    let header = {};
+    try {
+      const resp = await fetch('/Manage/Student', { credentials: 'same-origin' });
+      const html = await resp.text();
+      header = ISMIStools.parseProfilePage(html);
+    } catch (e) {
+      header = {};
+    }
+
+    const totalUnits = extractTotalUnits(document.body.innerText);
+    return { header, courses, totalUnits };
+  }
+
+  browser.runtime.onMessage.addListener((msg, sender, sendResponse) => {
+    if (msg && msg.type === 'scrape-study-load') {
+      scrapeStudyLoad()
+        .then((data) => sendResponse({ ok: true, data }))
+        .catch((err) => sendResponse({ ok: false, error: String((err && err.message) || err) }));
+      return true; // async response
+    }
+  });
+
+  (async function init() {
+    if (!(await isEnabled())) return;
+    watchPrivacyModal();
+    if (/\/Account\/Login/i.test(location.href)) autoLogin();
+  })();
+})();