remove ublock

PBlock/block.js

@@ -0,0 +1,129 @@
+/**
+ * All the actual functionality of the extension; loads as part of the background page.
+ *
+ * Active ingredient is enable(), which sets up the webRequest callbacks.
+ *
+ * */
+
+let blockingEnabled = false;
+let allFilters = null;
+let webRTCPrivacy = null;
+
+function setFilters(newFilters) {
+	allFilters = newFilters;
+	chrome.storage.local.set({"filters": newFilters});
+	if (blockingEnabled) {
+		refreshFilters();
+	}
+}
+
+// Convert URL patterns to declarativeNetRequest rule format
+function createRules(filters) {
+	return filters.map((filter, index) => ({
+		id: index + 1,
+		priority: 1,
+		action: {
+			type: "block"
+		},
+		condition: {
+			urlFilter: filter.replace("*://", "*"),
+			resourceTypes: [
+				"main_frame", "sub_frame", "stylesheet", "script", "image", 
+				"font", "object", "xmlhttprequest", "ping", "media", "websocket"
+			]
+		}
+	}));
+}
+
+async function enable(icon = true) {
+	if (blockingEnabled) return;
+	
+	if (allFilters && allFilters.length > 0) {
+		const rules = createRules(allFilters);
+		await chrome.declarativeNetRequest.updateDynamicRules({
+			removeRuleIds: rules.map(rule => rule.id),
+			addRules: rules
+		});
+	}
+
+	blockingEnabled = true;
+	if (icon) {
+		chrome.action.setIcon({
+			path: {
+				"16": "enabled16.png",
+				"48": "enabled48.png"
+			}
+		});
+	}
+}
+
+async function disable(icon = true) {
+	if (!blockingEnabled) return;
+
+	const rules = await chrome.declarativeNetRequest.getDynamicRules();
+	await chrome.declarativeNetRequest.updateDynamicRules({
+		removeRuleIds: rules.map(rule => rule.id),
+		addRules: []
+	});
+
+	blockingEnabled = false;
+	if (icon) {
+		chrome.action.setIcon({
+			path: {
+				"16": "disabled.png",
+				"32": "disabled.png"
+			}
+		});
+	}
+}
+
+async function refreshFilters() {
+	await disable(false);
+	await enable(true);
+}
+
+async function toggleEnabled() {
+	if (blockingEnabled) {
+		await disable();
+	} else {
+		await enable();
+	}
+}
+
+function setWebRTCPrivacy(flag, store = true) {
+	webRTCPrivacy = flag;
+	const privacySetting = flag ? "default_public_interface_only" : "default";
+	chrome.privacy.network.webRTCIPHandlingPolicy.set({value: privacySetting});
+	if (store) {
+		chrome.storage.local.set({"webrtc_privacy": flag});
+	}
+}
+
+// Initialization
+chrome.storage.local.get("filters",
+	function(result) {
+		if (result["filters"] == undefined) {
+			console.log("Initializing filters to defaults.");
+			setFilters(defaultFilters);
+		} else {
+			setFilters(result["filters"]);
+			allFilters = result["filters"];
+		}
+
+		// toggle blocking on-off via the extension icon
+		chrome.action.onClicked.addListener(toggleEnabled);
+		// initialize blocking
+		enable();
+	}
+);
+
+chrome.storage.local.get("webrtc_privacy",
+	function(result) {
+		if (result["webrtc_privacy"] == undefined) {
+			console.log("Initializing WebRTC privacy to default.");
+			setWebRTCPrivacy(false, true);
+		} else {
+			setWebRTCPrivacy(result["webrtc_privacy"], false);
+		}
+	}
+);