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-rw-r--r--main_background.js170
1 files changed, 81 insertions, 89 deletions
diff --git a/main_background.js b/main_background.js
index 71b9ab5..c09e0a3 100644
--- a/main_background.js
+++ b/main_background.js
@@ -29,7 +29,7 @@ const { ExternalLicenses } = require('./bg/ExternalLicenses');
const { makeDebugLogger } = require('./common/debug.js');
const PRINT_DEBUG = false;
-const dbg_print = makeDebugLogger('main_background.js', PRINT_DEBUG, Date.now());
+const dbgPrint = makeDebugLogger('main_background.js', PRINT_DEBUG, Date.now());
/*
*
@@ -43,22 +43,14 @@ const dbg_print = makeDebugLogger('main_background.js', PRINT_DEBUG, Date.now())
* with its code to update accordingly
*
*/
-function options_listener(changes, area) {
- dbg_print('Items updated in area' + area + ': ');
-
- var changedItems = Object.keys(changes);
- var changed_items = '';
- for (var i = 0; i < changedItems.length; i++) {
- var item = changedItems[i];
- changed_items += item + ',';
- }
- dbg_print(changed_items);
-
+function optionsListener(changes, area) {
+ dbgPrint('Items updated in area' + area + ': ');
+ dbgPrint(Object.keys(changes).join(','));
}
+const activeMessagePorts = {};
+const activityReports = {};
-var activeMessagePorts = {};
-var activityReports = {};
async function createReport(initializer) {
if (!(initializer && (initializer.url || initializer.tabId))) {
throw new Error('createReport() needs an URL or a tabId at least');
@@ -75,7 +67,7 @@ async function createReport(initializer) {
template.url = url;
template.site = ListStore.siteItem(url);
template.siteStatus = listManager.getStatus(template.site);
- let list = { 'whitelisted': whitelist, 'blacklisted': blacklist }[template.siteStatus];
+ const list = { 'whitelisted': whitelist, 'blacklisted': blacklist }[template.siteStatus];
if (list) {
template.listedSite = ListManager.siteMatch(template.site, list);
}
@@ -88,19 +80,17 @@ async function createReport(initializer) {
* at the moment.
*/
async function openReportInTab(data) {
- let popupURL = await browser.browserAction.getPopup({});
- let tab = await browser.tabs.create({ url: `${popupURL}#fromTab=${data.tabId}` });
+ const popupURL = await browser.browserAction.getPopup({});
+ const tab = await browser.tabs.create({ url: `${popupURL}#fromTab=${data.tabId}` });
activityReports[tab.id] = await createReport(data);
}
/**
-*
* Clears local storage (the persistent data)
-*
*/
-function debug_delete_local() {
+function debugDeleteLocal() {
browser.storage.local.clear();
- dbg_print('Local storage cleared');
+ dbgPrint('Local storage cleared');
}
/**
@@ -108,16 +98,16 @@ function debug_delete_local() {
* Prints local storage (the persistent data) as well as the temporary popup object
*
*/
-function debug_print_local() {
- function storage_got(items) {
+function debugPrintLocal() {
+ function storageGot(items) {
console.log('%c Local storage: ', 'color: red;');
- for (var i in items) {
+ for (const i in items) {
console.log('%c ' + i + ' = ' + items[i], 'color: blue;');
}
}
console.log('%c Variable \'activityReports\': ', 'color: red;');
console.log(activityReports);
- browser.storage.local.get(storage_got);
+ browser.storage.local.get(storageGot);
}
/**
@@ -136,22 +126,22 @@ function debug_print_local() {
*
*/
async function updateReport(tabId, oldReport, updateUI = false) {
- let { url } = oldReport;
- let newReport = await createReport({ url, tabId });
- for (let property of Object.keys(oldReport)) {
- let entries = oldReport[property];
+ const { url } = oldReport;
+ const newReport = await createReport({ url, tabId });
+ for (const property of Object.keys(oldReport)) {
+ const entries = oldReport[property];
if (!Array.isArray(entries)) continue;
- let defValue = property === 'accepted' || property === 'blocked' ? property : 'unknown';
- for (let script of entries) {
- let status = listManager.getStatus(script[0], defValue);
+ const defValue = property === 'accepted' || property === 'blocked' ? property : 'unknown';
+ for (const script of entries) {
+ const status = listManager.getStatus(script[0], defValue);
if (Array.isArray(newReport[status])) newReport[status].push(script);
}
}
activityReports[tabId] = newReport;
if (browser.sessions) browser.sessions.setTabValue(tabId, url, newReport);
- dbg_print(newReport);
+ dbgPrint(newReport);
if (updateUI && activeMessagePorts[tabId]) {
- dbg_print(`[TABID: ${tabId}] Sending script blocking report directly to browser action.`);
+ dbgPrint(`[TABID: ${tabId}] Sending script blocking report directly to browser action.`);
activeMessagePorts[tabId].postMessage({ show_info: newReport });
}
}
@@ -203,9 +193,9 @@ async function addReportEntry(tabId, action) {
entryType = listManager.getStatus(scriptName, actionType);
const entries = report[entryType];
if (!entries.find(e => e[0] === scriptName)) {
- dbg_print(activityReports);
- dbg_print(activityReports[tabId]);
- dbg_print(entryType);
+ dbgPrint(activityReports);
+ dbgPrint(activityReports[tabId]);
+ dbgPrint(entryType);
entries.push(actionValue);
}
} catch (e) {
@@ -238,10 +228,11 @@ function getDomain(url) {
}
/**
-*
-* This is the callback where the content scripts of the browser action will contact the background script.
-*
-*/
+ *
+ * This is the callback where the content scripts of the browser action
+ * will contact the background script.
+ *
+ */
async function connected(p) {
if (p.name === 'contact_finder') {
// style the contact finder panel
@@ -257,10 +248,10 @@ async function connected(p) {
return;
}
p.onMessage.addListener(async function(m) {
- var update = false;
- var contact_finder = false;
+ let update = false;
+ let contactFinder = false;
- for (let action of ['whitelist', 'blacklist', 'forget']) {
+ for (const action of ['whitelist', 'blacklist', 'forget']) {
if (m[action]) {
let [key] = m[action];
if (m.site) {
@@ -279,42 +270,41 @@ async function connected(p) {
// a debug feature
if (m['printlocalstorage'] !== undefined) {
console.log('Print local storage');
- debug_print_local();
+ debugPrintLocal();
}
// invoke_contact_finder
if (m['invoke_contact_finder'] !== undefined) {
- contact_finder = true;
+ contactFinder = true;
await injectContactFinder();
}
// a debug feature (maybe give the user an option to do this?)
if (m['deletelocalstorage'] !== undefined) {
console.log('Delete local storage');
- debug_delete_local();
+ debugDeleteLocal();
}
- let tabs = await browser.tabs.query({ active: true, currentWindow: true });
+ const tabs = await browser.tabs.query({ active: true, currentWindow: true });
- if (contact_finder) {
- let tab = tabs.pop();
- dbg_print(`[TABID:${tab.id}] Injecting contact finder`);
- //inject_contact_finder(tabs[0]["id"]);
+ if (contactFinder) {
+ const tab = tabs.pop();
+ dbgPrint(`[TABID:${tab.id}] Injecting contact finder`);
}
if (update || m.update && activityReports[m.tabId]) {
- let tabId = 'tabId' in m ? m.tabId : tabs.pop().id;
- dbg_print(`%c updating tab ${tabId}`, 'color: red;');
+ const tabId = 'tabId' in m ? m.tabId : tabs.pop().id;
+ dbgPrint(`%c updating tab ${tabId}`, 'color: red;');
activeMessagePorts[tabId] = p;
await updateReport(tabId, activityReports[tabId], true);
} else {
- for (let tab of tabs) {
+ for (const tab of tabs) {
if (activityReports[tab.id]) {
// If we have some data stored here for this tabID, send it
- dbg_print(`[TABID: ${tab.id}] Sending stored data associated with browser action'`);
+ dbgPrint(`[TABID: ${tab.id}] Sending stored data associated with browser action'`);
p.postMessage({ 'show_info': activityReports[tab.id] });
} else {
// create a new entry
- let report = activityReports[tab.id] = await createReport({ 'url': tab.url, tabId: tab.id });
+ const report = activityReports[tab.id] = await createReport({ 'url': tab.url, tabId: tab.id });
p.postMessage({ show_info: report });
- dbg_print(`[TABID: ${tab.id}] No data found, creating a new entry for this window.`);
+ dbgPrint(`[TABID: ${tab.id}] No data found, creating a new entry for this window.`);
}
}
}
@@ -337,8 +327,8 @@ async function injectContactFinder(tabId) {
* Delete the info we are storing about this tab if there is any.
*
*/
-function delete_removed_tab_info(tab_id, _) {
- dbg_print('[TABID:' + tab_id + ']' + 'Deleting stored info about closed tab');
+function deleteRemovedTabInfo(tab_id, _) {
+ dbgPrint('[TABID:' + tab_id + ']' + 'Deleting stored info about closed tab');
if (activityReports[tab_id] !== undefined) {
delete activityReports[tab_id];
}
@@ -357,10 +347,10 @@ function delete_removed_tab_info(tab_id, _) {
*/
async function onTabUpdated(tabId, _, tab) {
- let [url] = tab.url.split('#');
- let report = activityReports[tabId];
+ const [url] = tab.url.split('#');
+ const report = activityReports[tabId];
if (!(report && report.url === url)) {
- let cache = browser.sessions &&
+ const cache = browser.sessions &&
await browser.sessions.getTabValue(tabId, url) || null;
// on session restore tabIds may change
if (cache && cache.tabId !== tabId) cache.tabId = tabId;
@@ -445,9 +435,10 @@ function updateBadge(tabId, report = null, forceRed = false) {
}
}
+// TODO: is this the only way google analytics can show up?
function blockGoogleAnalytics(request) {
- let { url } = request;
- let res = {};
+ const { url } = request;
+ const res = {};
if (url === 'https://www.google-analytics.com/analytics.js' ||
/^https:\/\/www\.google\.com\/analytics\/[^#]/.test(url)
) {
@@ -457,16 +448,16 @@ function blockGoogleAnalytics(request) {
}
async function blockBlacklistedScripts(request) {
- let { url, tabId, documentUrl } = request;
- url = ListStore.urlItem(url);
- let status = listManager.getStatus(url);
+ const { tabId, documentUrl } = request;
+ const url = ListStore.urlItem(request.url);
+ const status = listManager.getStatus(url);
if (status !== 'blacklisted') return {};
- let blacklistedSite = ListManager.siteMatch(url, blacklist);
+ const blacklistedSite = ListManager.siteMatch(url, blacklist);
await addReportEntry(tabId, {
url: documentUrl,
'blacklisted': [url, /\*/.test(blacklistedSite) ? `User blacklisted ${blacklistedSite}` : 'Blacklisted by user']
});
- return { cancel: true };
+ return BLOCKING_RESPONSES.REJECT;
}
/**
@@ -575,7 +566,7 @@ async function handleScript(response, whitelisted) {
function doc2HTML(doc) {
let s = doc.documentElement.outerHTML;
if (doc.doctype) {
- let dt = doc.doctype;
+ const dt = doc.doctype;
let sDoctype = `<!DOCTYPE ${dt.name || 'html'}`;
if (dt.publicId) sDoctype += ` PUBLIC "${dt.publicId}"`;
if (dt.systemId) sDoctype += ` "${dt.systemId}"`;
@@ -596,7 +587,7 @@ function createHTMLElement(doc, name) {
* NOSCRIPT elements to visible the same way as NoScript and uBlock do)
*/
function forceElement(doc, element) {
- let replacement = createHTMLElement(doc, 'span');
+ const replacement = createHTMLElement(doc, 'span');
replacement.innerHTML = element.innerHTML;
element.replaceWith(replacement);
return replacement;
@@ -610,10 +601,10 @@ function forceElement(doc, element) {
function forceNoscriptElements(doc) {
let shown = 0;
// inspired by NoScript's onScriptDisabled.js
- for (let noscript of doc.querySelectorAll('noscript:not([data-librejs-nodisplay])')) {
- let replacement = forceElement(doc, noscript);
+ for (const noscript of doc.querySelectorAll('noscript:not([data-librejs-nodisplay])')) {
+ const replacement = forceElement(doc, noscript);
// emulate meta-refresh
- let meta = replacement.querySelector('meta[http-equiv="refresh"]');
+ const meta = replacement.querySelector('meta[http-equiv="refresh"]');
if (meta) {
doc.head.appendChild(meta);
}
@@ -621,6 +612,7 @@ function forceNoscriptElements(doc) {
}
return shown;
}
+
/**
* Forces displaying any element having the "data-librejs-display" attribute and
* <noscript> elements on pages where LibreJS disabled inline scripts (unless
@@ -628,7 +620,7 @@ function forceNoscriptElements(doc) {
*/
function showConditionalElements(doc) {
let shown = 0;
- for (let element of document.querySelectorAll('[data-librejs-display]')) {
+ for (const element of document.querySelectorAll('[data-librejs-display]')) {
forceElement(doc, element);
shown++;
}
@@ -823,9 +815,9 @@ async function handleHtml(response, whitelisted) {
return await editHtml(text, url, tabId, frameId, whitelisted);
}
-var whitelist = new ListStore('pref_whitelist', Storage.CSV);
-var blacklist = new ListStore('pref_blacklist', Storage.CSV);
-var listManager = new ListManager(whitelist, blacklist,
+const whitelist = new ListStore('pref_whitelist', Storage.CSV);
+const blacklist = new ListStore('pref_blacklist', Storage.CSV);
+const listManager = new ListManager(whitelist, blacklist,
// built-in whitelist of script hashes, e.g. jQuery
Object.values(require('./utilities/hash_script/whitelist').whitelist)
.reduce((a, b) => a.concat(b)) // as a flat array
@@ -834,15 +826,15 @@ var listManager = new ListManager(whitelist, blacklist,
async function initDefaults() {
- let defaults = {
+ const defaults = {
pref_subject: 'Issues with Javascript on your website',
pref_body: `Please consider using a free license for the Javascript on your website.
[Message generated by LibreJS. See https://www.gnu.org/software/librejs/ for more information]
`
};
- let keys = Object.keys(defaults);
- let prefs = await browser.storage.local.get(keys);
+ const keys = Object.keys(defaults);
+ const prefs = await browser.storage.local.get(keys);
let changed = false;
for (let k of keys) {
if (!(k in prefs)) {
@@ -859,16 +851,16 @@ async function initDefaults() {
* Initializes various add-on functions
* only meant to be called once when the script starts
*/
-async function init_addon() {
+async function initAddon() {
await initDefaults();
await whitelist.load();
browser.runtime.onConnect.addListener(connected);
- browser.storage.onChanged.addListener(options_listener);
- browser.tabs.onRemoved.addListener(delete_removed_tab_info);
+ browser.storage.onChanged.addListener(optionsListener);
+ browser.tabs.onRemoved.addListener(deleteRemovedTabInfo);
browser.tabs.onUpdated.addListener(onTabUpdated);
browser.tabs.onActivated.addListener(onTabActivated);
// Prevents Google Analytics from being loaded from Google servers
- let all_types = [
+ const all_types = [
'beacon', 'csp_report', 'font', 'image', 'imageset', 'main_frame', 'media',
'object', 'object_subrequest', 'ping', 'script', 'stylesheet', 'sub_frame',
'web_manifest', 'websocket', 'xbl', 'xml_dtd', 'xmlhttprequest', 'xslt',
@@ -883,8 +875,8 @@ async function init_addon() {
['blocking']
);
browser.webRequest.onResponseStarted.addListener(request => {
- let { tabId } = request;
- let report = activityReports[tabId];
+ const { tabId } = request;
+ const report = activityReports[tabId];
if (report) {
updateBadge(tabId, activityReports[tabId]);
}
@@ -911,4 +903,4 @@ async function init_addon() {
}
}
-init_addon();
+initAddon();