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Remove crossorigin and integrity attributes #66 (experimental)

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nobody42 2020-04-30 07:31:41 +02:00
parent 022f625c55
commit 296c3310ab
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1 changed files with 30 additions and 1 deletions
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31
core/state-manager.js
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@ -4,6 +4,10 @@
*
* @author Thomas Rientjes
* @since 2017-03-10
*
* @author nobody42
* @since 2020-02-26
*
* @license MPL 2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
@ -315,6 +319,30 @@ chrome.storage.local.get(Setting.SHOW_ICON_BADGE, function (items) {
stateManager.showIconBadge = items.showIconBadge;
});
stateManager._removeCrossoriginAndIntegrityAttr = function (details) {
// by Jaap (https://gitlab.com/Jaaap)
let filter = chrome.webRequest.filterResponseData(details.requestId);
let decoder = new TextDecoder("utf-8"); //FIXME: get content-encoding from headers
let encoder = new TextEncoder();
filter.ondata = evt => {
//remove crossorigin and integrity attributes
//Note that this will not work if the crossorigin="anonymous" string is divided into two chunks, but we want to flush this data asap.
let str = decoder.decode(evt.data, {stream: true})
.replace(/<(link|script)[^>]+>/ig, m => m.replace(/\s+(integrity|crossorigin)(="[^"]*"|='[^']*'|=[^"'`=\s]+|)/ig, ""));
filter.write(encoder.encode(str));
}
filter.onstop = evt => {
let str = decoder.decode(); // end-of-stream
filter.write(encoder.encode(str));
filter.close();
}
}
/**
* Event Handlers
*/
@ -324,6 +352,7 @@ chrome.tabs.onRemoved.addListener(stateManager._removeTab);
chrome.webRequest.onBeforeRequest.addListener(function (requestDetails) {
stateManager._removeCrossoriginAndIntegrityAttr(requestDetails);
if (requestDetails.tabId !== -1 && stateManager.tabs[requestDetails.tabId]) {
stateManager.tabs[requestDetails.tabId].details = {
@ -331,7 +360,7 @@ chrome.webRequest.onBeforeRequest.addListener(function (requestDetails) {
};
}
}, {'types': [WebRequestType.MAIN_FRAME], 'urls': [Address.ANY]});
}, {'types': [WebRequestType.MAIN_FRAME], 'urls': [Address.ANY]}, [WebRequest.BLOCKING]);
chrome.webNavigation.onCommitted.addListener(stateManager._updateTab, {
'url': [{'urlContains': ':'}]