An extension to shine light on the Project Fugu ? APIs web apps want to use.
How Fugu is the Web? Extension
API data
The raw data for the different Project Fugu 🐡 APIs is curated in a spreadsheet, which is then turned into JavaScript, so keeping the list of APIs updated is hopefully a straightforward task.
API detection
The extension monitors the requests a page makes via the chrome.webRequest.onBeforeRequest.addListener() API. Each response body, grouped by main frame, JavaScript, and Web App Manifest response bodies, is then run through a set of regular expressions like /navigator\\.hid\\.requestDevice\\s*\\(/g to determine if the code hints at a Project Fugu 🐡 API potentially being used.
Browser support detection
Most Project Fugu 🐡 APIs are easily feature-detectable by checking for the existence of interfaces or properties, for example, as in 'BarcodeDetector' in window. Other APIs require a ServiceWorkerRegistration, but luckily the popup window in Manifest V3 extensions uses a service worker, so it can be used via an IIFE that can be run in the client or the service worker. An example is (async () => 'periodicSync' in (await navigator.serviceWorker?.ready || self.registration))().
The support categories are listed below:
✔️ Supported by your browser.
🚫 Not supported by your browser.
🤷 Support unknown for your browser. (The only way to know would be user-agent sniffing.)
Deep-linking
The extension makes use of Text Fragment URLs to deep-link to the occurrence of a detected API, for example https://airhorner.com/scripts/main.min.js#:~:text=navigator.setAppBadge(. For main frame documents, the source code gets rendered in a helper HTML page controlled by the extension, since it is impossible to link to view-source: protocol links.
Limitations
• The chrome.webRequest.onBeforeRequest.addListener() API unfortunately does not \"see\" requests that are handled by a service worker (crbug.com/766433). There are three possible workarounds for this:
- Hard-reload via ⌘/ctrl+shift+r.
- Open DevTools and check the Bypass for network checkbox in the Service Worker section of the Application tab.
- Clear storage in the Storage section of the Application tab.
• The extension only does static code analysis, that is, there is no guarantee that the app actually uses the code snippet where a Project Fugu 🐡 API was detected.
• Heavily minified code will not be detected. For example, if an app minifies navigator.clipboard.write() to const nav = navigator; nav.clipboard.write(), the extension will not detect this.
License
Apache 2.0.
Source Manifest.json
How to download and manually install How Fugu is the Web? extension for Chrome
Looking for a way to install How Fugu is the Web? 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 How Fugu is the Web? extensions manually, this article outlines two simple methods to effortlessly install How Fugu is the Web? extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download How Fugu is the Web? extension and manually install through Drag &Drop
If you ever need to manually install a How Fugu is the Web? 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 How Fugu is the Web? Extension by clicking the "Download CRX" button on the website.
Look for the How Fugu is the Web? extension you wish to install. Go to the website and download the How Fugu is the Web? extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for How Fugu is the Web? 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 How Fugu is the Web? 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 How Fugu is the Web? extension for Chrome and install in Developer Mode
This is another method to install How Fugu is the Web? 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 How Fugu is the Web? extension file
Select and download the How Fugu is the Web? 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 How Fugu is the Web? 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 How Fugu is the Web? 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 How Fugu is the Web? 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 How Fugu is the Web? extension in 2 ways. We hope this guide proves helpful.
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