1 files changed, 0 insertions, 139 deletions
diff --git a/data/extensions/jsr@javascriptrestrictor/document_start.js b/data/extensions/jsr@javascriptrestrictor/document_start.js
deleted file mode 100644
index c78aa73..0000000
--- a/data/extensions/jsr@javascriptrestrictor/document_start.js
+++ /dev/null
@@ -1,139 +0,0 @@
-/** \file
- * \brief Main script launched when a page is being loaded by a browser
- *
- *  \author Copyright (C) 2020  Libor Polcak
- *  \author Copyright (C) 2021  Matus Svancar
- *  \author Copyright (C) 2021  Giorgio Maone
- *  \author Copyright (C) 2021  Marek Salon
- *  \author Copyright (C) 2023  Martin Zmitko
- *
- *  \license SPDX-License-Identifier: GPL-3.0-or-later
- */
-//
-//  This program is free software: you can redistribute it and/or modify
-//  it under the terms of the GNU General Public License as published by
-//  the Free Software Foundation, either version 3 of the License, or
-//  (at your option) any later version.
-//
-//  This program is distributed in the hope that it will be useful,
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-//  GNU General Public License for more details.
-//
-//  You should have received a copy of the GNU General Public License
-//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
-//
-
-var wrappersPort;
-var pageConfiguration = null;
-
-function wrapWindow(currentLevel, fpdWrappers, wrappersConf) {
-	const code = fp_assemble_injection(currentLevel, fpdWrappers, `
-		init(${JSON.stringify(wrappersConf)});
-	`);
-	return patchWindow(code);
-}
-
-function configureInjection({currentLevel, fpdWrappers, fpdTrackCallers, domainHash, incognitoHash, portId}) {
-	if (pageConfiguration) return; // one shot
-	pageConfiguration = {currentLevel};
-	if (browser.extension.inIncognitoContext) {
-		domainHash = incognitoHash;
-	}
-	try {
-		const wrappersConf = {
-			fpdTrackCallers,
-			domainHash,
-		};
-		wrappersPort = portId ? patchWindow({portId}) : wrapWindow(currentLevel, fpdWrappers, wrappersConf);
-
-		// initialize in case the userScript API already injected
-		wrappersPort.postMessage(wrappersConf);
-
-		wrappersPort.onMessage = msg => {
-			if (msg.wrapperName) {
-				let {wrapperName, wrapperType, wrapperArgs, stack} = msg;
-				// pass access logs to FPD background script
-				browser.runtime.sendMessage({
-					purpose: "fp-detection",
-					resource: wrapperName,
-					type: wrapperType,
-					args: wrapperArgs,
-					stack: stack,
-				});
-			}
-			if (msg.init) {
-				// initialize on late demand
-				return wrappersConf;
-			}
-		}
-		return true;
-	} catch (e) {
-		console.error(e, "Trying to initialize wrappers.");
-	}
-	return false;
-}
-
-/**
- * See https://pagure.io/JShelter/paper2022/c/a7e7e88edecfa19c3a52542b553bf1dc9b4388a9?branch=cnil,
- * https://pagure.io/JShelter/webextension/issue/70 and
- * https://pagure.io/JShelter/webextension/issue/46#comment-793783
- * for more information on the early injection mechanism.
- */
-if ("configuration" in window) {
-	configureInjection(configuration);
-} else if ("sendSyncMessage" in browser.runtime) { // not in mv3 chrome
-	/// Get current level configuration from the background script
-	configureInjection(browser.runtime.sendSyncMessage({
-			message: "get wrapping for URL",
-			url: window.location.href
-		}
-	));
-}
-
-/**
- * Event listener that listens for background script messages.
- *
- * \param callback Function that clears certain storage facilities.
- */
-browser.runtime.onMessage.addListener(function (message) {
-	if (message.cleanStorage) { 
-		localStorage.clear();
-		sessionStorage.clear();
-		window.name = "";
-
-		if (!message.ignoreWorkaround) {
-			// clear indexedDB (only Chrome)
-			if (window.indexedDB && indexedDB.databases) {	
-				indexedDB.databases().then(dbs => {
-					dbs.forEach(db => indexedDB.deleteDatabase(db.name))
-				}).catch(err => console.error(err));
-			}
-		
-			// clear cacheStorage
-			if (window.caches) {
-				caches.keys().then((names) => {
-					for (let name of names) {
-						caches.delete(name);
-					}
-				}).catch(err => console.error(err));
-			}
-
-			// clear cookies (only JS)
-			// Source: https://stackoverflow.com/a/66698063/17661959
-			document.cookie.replace(
-				/(?<=^|;).+?(?=\=|;|$)/g, 
-				name => location.hostname
-				  .split(/\.(?=[^\.]+\.)/)
-				  .reduceRight((acc, val, i, arr) => i ? arr[i]='.'+val+acc : (arr[i]='', arr), '')
-				  .map(domain => document.cookie=`${name}=;${location.protocol == 'https:' ? 'Secure;' : ''}max-age=0;path=/;domain=${domain}`)
-			);
-		}
-
-		// clear storages of all injected windows (using BrowsingData)
-		browser.runtime.sendMessage({
-			purpose: "fpd-clear-storage",
-			url: window.location.href
-		});
-	}
-});