Add support for browser policy

README.md

@@ -105,3 +105,42 @@ toolbarbutton#toggle-button--redirectoreinaregilssoncom-redirector[image*="disab
 ```
 
 If you don't know what the `userChrome.css` file is, or how to edit it, please look it up on a Firefox forum instead of asking about it in this repository. Thanks!
+
+## Policy Support
+
+Redirector supports configuring through browser policies.
+
+* Firefox: https://mozilla.github.io/policy-templates/#3rdparty
+* Chromium: https://www.chromium.org/administrators/configuring-policy-for-extensions/
+
+```json
+{
+  "policies": {
+    "3rdparty": {
+      "Extensions": {
+        "[email protected]": {
+          "redirects": [
+            {
+              "description": "Example redirect, try going to http://example.com/anywordhere",
+              "exampleUrl": "http://example.com/some-word-that-matches-wildcard",
+              "exampleResult": "https://google.com/search?q=some-word-that-matches-wildcard",
+              "error": null,
+              "includePattern": "http://example.com/*",
+              "excludePattern": "",
+              "patternDesc": "Any word after example.com leads to google search for that word.",
+              "redirectUrl": "https://google.com/search?q=$1",
+              "patternType": "W",
+              "processMatches": "noProcessing",
+              "disabled": true,
+              "grouped": false,
+              "appliesTo": [
+                  "main_frame"
+              ]
+            }
+          ]
+        }
+      }
+    }
+  }
+}
+```

js/background.js

@@ -192,7 +192,7 @@ function setUpRedirectListener() {
 	chrome.webRequest.onBeforeRequest.removeListener(checkRedirects); //Unsubscribe first, in case there are changes...
 	chrome.webNavigation.onHistoryStateUpdated.removeListener(checkHistoryStateRedirects);
 
-	storageArea.get({redirects:[]}, function(obj) {
+	getRedirects(function(obj) {
 		var redirects = obj.redirects;
 		if (redirects.length == 0) {
 			log('No redirects defined, not setting up listener');
@@ -256,6 +256,20 @@ function updateIcon() {
 	});	
 }
 
+function getRedirects(callback) {
+	if (chrome.storage.managed instanceof Object) {
+		chrome.storage.managed.get('redirects', function (obj) {
+			if (obj) {
+				callback(obj);
+			} else {
+				storageArea.get({redirects: []}, callback);
+			}
+		});
+	} else {
+		storageArea.get({redirects: []}, callback);
+	}
+}
+
 
 //Firefox doesn't allow the "content script" which is actually privileged
 //to access the objects it gets from chrome.storage directly, so we
@@ -265,9 +279,7 @@ chrome.runtime.onMessage.addListener(
 		log('Received background message: ' + JSON.stringify(request));
 		if (request.type == 'get-redirects') {
 			log('Getting redirects from storage');
-			storageArea.get({
-				redirects: []
-			}, function (obj) {
+			getRedirects(function (obj) {
 				log('Got redirects from storage: ' + JSON.stringify(obj));
 				sendResponse(obj);
 				log('Sent redirects to content page');
@@ -469,4 +481,4 @@ function handleStartup(){
 	//This doesn't work yet in Chrome, but we'll put it here anyway, in case it starts working...
 	let darkModeMql = window.matchMedia('(prefers-color-scheme: dark)');
 	darkModeMql.onchange = updateIcon;
-}
+}