A Chrome extension to ease the use and improve user experience of the IT facilities in Tokyo Institute of Technology.
T2Auth Extension
A Chrome extension to ease the use and improve user experience of the IT facilities in Tokyo Institute of Technology.
Currently it supports only auto-login and course calendar generation.
## Usage
### Options
You can select pages from the navigation bar on the left.
Importing and exporting options via JSON files is also possible in any page.
#### Options Page
* `Language` Currently supports English, Japanese and Simplified Chinese.
* `Auto Login`: If checked, he extension will log in when the portal page is opened
* `Periods`: The interval of each periods. Time table can be found on the official website and the Educational Web System system.
#### Account Info Page
The account, password and matrix authentication code is configured inside options page.
One can open options page by right-clicking the extension icon.
### Login
After the [Portal](https://portal.nap.gsic.titech.ac.jp) page is open, if `Auto Login` is checked,
the extension starts to log in automatically. Otherwise, the Matrix Code Authentication button needs to be manually clicked, and a hint is displayed under the button indicating that the extension is ready.
If there is any wrong info, an alert dialog will be popped.
### Generate Calendar
A button of label `Generate Calendar` will appear if available.
* After an OCW course detail page is opened, the button will appear on the right side under the course title.
* After the Course Registration page of the Educational Web System is opened, it will appear above the `Print` button.
After the button is clicked, one can set the interval of all quarters, choose which day to omit on the popped-up window.
Click the `Generate iCalendar File` on the bottom of the window, and a link will be generated.
The generated file's format is iCalendar format with extension `.ics`. It can be imported to common calendar management softwares like Google Calendar.
## Security
* All private information stored are encrypted by AES-256 using key and initial vector generated by the user's e-mail address & identification code. If no users are logged in to Chrome, a default key and iv will be used to encrypt and decrypt data instead.
* This means:
* If the user status is changed (e.g. you logged out or switched an account), the data stored inside the storage will be no longer usable.
* If you leaked **both your e-mail and identification code**, then the data is possible to be decrypted by anyone who has the source code of this extension.
* For more details, see
* No HTTP request is created directly by this extension during its lifetime.
* This means no information is sent manually to any servers (including my private ones).
* You can output and input information in **plain text** in options page. Please store them in some location safe and trusted.
### Disclaimer
By using this extension you agree with **The developer of this extension is not responsible for any privacy leaks**.
## Development
The project uses
* [Vite](https://vitejs.dev/) and [CRXJS](https://crxjs.dev/) for packaging
* [Mithril.js](https://mithril.js.org/) for frontend rendering
* md5.js and [CryptoJS](https://github.com/brix/crypto-js) for encryption and decryption
* [ical.js](https://github.com/kewisch/ical.js) for calendar generation
* [day.js](https://day.js.org/) for immutable datetime representation
* [i18next](https://www.i18next.com/) for internationalization
* [Pure CSS](https://purecss.io/) for UI display.
If you want to build and debug in your own environment, follow [this instruction](https://crxjs.dev/vite-plugin/concepts/pages).
Source Manifest.json
How to download and manually install T2Auth extension for Chrome
Looking for a way to install T2Auth extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install T2Auth extensions manually, this article outlines two simple methods to effortlessly install T2Auth extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download T2Auth extension and manually install through Drag &Drop
If you ever need to manually install a T2Auth extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the T2Auth Extension by clicking the "Download CRX" button on the website.
Look for the T2Auth extension you wish to install. Go to the website and download the T2Auth extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for T2Auth extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the T2Auth extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download T2Auth extension for Chrome and install in Developer Mode
This is another method to install T2Auth extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the T2Auth extension file
Select and download the T2Auth extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the T2Auth extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your T2Auth extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the T2Auth extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install T2Auth extension in 2 ways. We hope this guide proves helpful.
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