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Performance improvements

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This commit is contained in:
Adam 2020-04-28 21:18:42 -07:00
parent 98387f551e
commit 3712d1a39c
1 changed files with 9 additions and 38 deletions
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47
src/js/background.js
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@ -258,58 +258,29 @@ extensionApi.webRequest.onBeforeRequest.addListener(function (details) {
['blocking']
);
var extraInfoSpec = ['blocking', 'requestHeaders'];
const extraInfoSpec = ['blocking', 'requestHeaders'];
if (Object.prototype.hasOwnProperty.call(extensionApi.webRequest.OnBeforeSendHeadersOptions, 'EXTRA_HEADERS')) {
extraInfoSpec.push('extraHeaders');
}
extensionApi.webRequest.onBeforeSendHeaders.addListener(function (details) {
var requestHeaders = details.requestHeaders;
var headerReferer = '';
for (const n in requestHeaders) {
if (requestHeaders[n].name.toLowerCase() === 'referer') {
headerReferer = requestHeaders[n].value;
continue;
}
}
// remove cookies for sites medium platform (mainfest.json needs in permissions: <all_urls>)
if (isSiteEnabled({ url: '.medium.com' }) && details.url.indexOf('cdn-client.medium.com') !== -1 && headerReferer.indexOf('.medium.com') === -1) {
var domainVar = new URL(headerReferer).hostname;
extensionApi.cookies.getAll({ domain: domainVar }, function (cookies) {
for (let i = 0; i < cookies.length; i++) {
extensionApi.cookies.remove({ url: (cookies[i].secure ? 'https://' : 'http://') + cookies[i].domain + cookies[i].path, name: cookies[i].name });
}
});
if (!isSiteEnabled(details)) {
return;
}
let requestHeaders = details.requestHeaders;
// check for blocked regular expression: domain enabled, match regex, block on an internal or external regex
for (const domain in blockedRegexes) {
if ((isSiteEnabled({ url: '.' + domain }) || isSiteEnabled({ url: headerReferer })) && details.url.match(blockedRegexes[domain])) {
// allow BG paywall-script to set cookies in homepage/sections (else no article-text)
if (details.url.indexOf(domain) !== -1 || headerReferer.indexOf(domain) !== -1) {
if (details.url.indexOf('meter.bostonglobe.com/js/') !== -1 && (headerReferer === 'https://www.bostonglobe.com/' ||
headerReferer.indexOf('/?p1=BGHeader_') !== -1 || headerReferer.indexOf('/?p1=BGMenu_') !== -1)) {
extensionApi.webRequest.handlerBehaviorChanged(function () {});
break;
} else if (headerReferer.indexOf('theglobeandmail.com') !== -1 && !(headerReferer.indexOf('/article-') !== -1)) {
extensionApi.webRequest.handlerBehaviorChanged(function () {});
break;
}
if (isSiteEnabled({ url: '.' + domain }) && details.url.match(blockedRegexes[domain])) {
if (details.url.indexOf(domain) !== -1) {
return { cancel: true };
}
}
}
if (!isSiteEnabled(details)) {
return;
}
var tabId = details.tabId;
var useUserAgentMobile = false;
var setReferer = false;
const tabId = details.tabId;
let useUserAgentMobile = false;
let setReferer = false;
// if referer exists, set it to google
requestHeaders = requestHeaders.map(function (requestHeader) {