filippodb/LocalCDN-Firefox-Chrome-Brave
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Just code style (JS)

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nobody
2021-02-17 07:01:08 +01:00
parent 25a8a0499c
commit db398fadec
26 changed files with 572 additions and 226 deletions
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60
core/manipulate-dom.js
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@@ -28,27 +28,27 @@ var manipulateDOM = {};
manipulateDOM._removeCrossOriginAndIntegrityAttr = function (details) {
if(!BrowserType.FIREFOX) {
if (!BrowserType.FIREFOX) {
// Chromium (and other) browsers do not support webRequest.filterResponseData
// https://bugs.chromium.org/p/chromium/issues/detail?id=487422
console.warn('[ LocalCDN ] browser.webRequest.filterResponseData not supported by your browser.');
return;
}
let initiatorDomain, listedToManipulateDOM, negateHtmlFilter, filtering;
let initiatorDomain, listedToManipulateDOM, negateHtmlFilter, filtering, header;
initiatorDomain = helpers.extractDomainFromUrl(details.url, true) || Address.EXAMPLE;
listedToManipulateDOM = stateManager._domainIsListed(initiatorDomain, "manipulate-dom");
listedToManipulateDOM = stateManager._domainIsListed(initiatorDomain, 'manipulate-dom');
negateHtmlFilter = stateManager.getInvertOption;
if( ( negateHtmlFilter || listedToManipulateDOM ) && !( negateHtmlFilter && listedToManipulateDOM ) ) {
if ((negateHtmlFilter || listedToManipulateDOM) && !(negateHtmlFilter && listedToManipulateDOM)) {
filtering = true;
} else {
filtering = false;
}
// by Jaap (https://gitlab.com/Jaaap)
let header = details.responseHeaders.find(h => h.name.toLowerCase() === 'content-type');
header = details.responseHeaders.find((h) => h.name.toLowerCase() === 'content-type');
if (header && filtering) {
@@ -59,13 +59,13 @@ manipulateDOM._removeCrossOriginAndIntegrityAttr = function (details) {
if (!isAllowlisted && mimeType === 'text/html') {
let asciiDecoder, decoder, encoder, charset, isFirstData, filter;
let asciiDecoder, decoder, encoder, charset, isFirstData, filter, data;
charset = /charset\s*=/.test(header.value) && header.value.replace(/^.*?charset\s*=\s*/, '').replace(/["']?/g, '');
charset = (/charset\s*=/).test(header.value) && header.value.replace(/^.*?charset\s*=\s*/, '').replace(/["']?/g, '');
// Check if charset is supported by TextDecoder()
if(/charset\s*=/.test(header.value) && !EncodingTypes[charset.toString().toLowerCase()]){
console.error('[ LocalCDN ] Unsupported charset: ' + charset);
if (/charset\s*=/.test(header.value) && !EncodingTypes[charset.toString().toLowerCase()]) {
console.error(`[ LocalCDN ] Unsupported charset: ${charset}`);
return;
}
@@ -73,35 +73,40 @@ manipulateDOM._removeCrossOriginAndIntegrityAttr = function (details) {
encoder = new TextEncoder();
isFirstData = true;
filter = browser.webRequest.filterResponseData(details.requestId);
let data = [];
data = [];
header.value = 'text/html; charset=UTF-8';
// Note that should work if the '<script crossorigin="anonymous" src="dfgsfgd.com">' string is divided into two chunks.
filter.ondata = evt => {
// NOTE: should work if 'script' string is divided into two chunks
filter.ondata = (evt) => {
if (isFirstData) {
if (!charset) {
//content-type has no charset declared
let htmlHead = asciiDecoder.decode(evt.data, {stream: false});
let charsetMatch = htmlHead.match(/<meta.*charset=["']?([^>"'\/]+)["'].*[>\/]/i);
charset = charsetMatch ? charsetMatch[1] : "UTF-8";
// content-type has no charset declared
let htmlHead, charsetMatch;
htmlHead = asciiDecoder.decode(evt.data, {'stream': false});
// eslint-disable-next-line no-useless-escape
charsetMatch = htmlHead.match(/<meta.*charset=["']?([^>"'\/]+)["'].*[>\/]/i);
charset = charsetMatch ? charsetMatch[1] : 'UTF-8';
}
decoder = new TextDecoder(charset);
}
isFirstData = false;
data.push(evt.data);
}
};
filter.onstop = evt => {
filter.onstop = () => {
let str = '';
for (let buffer of data) {
str += decoder.decode(buffer, {stream: true});
str += decoder.decode(buffer, {'stream': true});
}
str += decoder.decode(); // end-of-stream
//remove crossorigin and integrity attributes
str = str.replace(/<(link|script)[^>]+>/ig, m => {
// remove crossorigin and integrity attributes
str = str.replace(/<(link|script)[^>]+>/ig, (m) => {
// eslint-disable-next-line no-use-before-define
if (cdnDomainsRE.test(m)) {
return m.replace(/\s+(integrity|crossorigin)(="[^"]*"|='[^']*'|=[^"'`=>\s]+|)/ig, '');
}
@@ -109,9 +114,9 @@ manipulateDOM._removeCrossOriginAndIntegrityAttr = function (details) {
});
filter.write(encoder.encode(str));
filter.close();
}
};
}
return {responseHeaders: details.responseHeaders};
return {'responseHeaders': details.responseHeaders};
}
};
@@ -121,13 +126,14 @@ manipulateDOM._removeCrossOriginAndIntegrityAttr = function (details) {
* Initializations
*/
let allowlistedDomains = {};
let cdnDomainsRE = new RegExp('//(' + Object.keys(mappings.cdn).map(m => m.replace(/\W/g, '\\$&')).join('|') + ')/');
/* eslint-disable one-var */
let cdnDomainsRE = new RegExp(`//(${Object.keys(mappings.cdn).map((m) => m.replace(/\W/g, '\\$&')).join('|')})/`);
/* eslint-enable one-var */
/**
* Event Handlers
*/
* Event Handlers
*/
chrome.webRequest.onHeadersReceived.addListener(
manipulateDOM._removeCrossOriginAndIntegrityAttr,