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Fixed dynamic script injection breaking images shown as frame content.

This commit is contained in:
hackademix 2018-07-07 01:28:20 +02:00
parent 093b9d724e
commit 0ad5f95eb4
2 changed files with 17 additions and 15 deletions
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23
src/bg/RequestGuard.js
View File

@ -90,9 +90,6 @@ var RequestGuard = (() => {
if (what === "noscriptFrame") {
let nsf = records.noscriptFrames;
if (frameId in nsf) {
return null;
}
nsf[frameId] = optValue;
what = optValue ? "blocked" : "allowed";
if (frameId === 0) {
@ -278,18 +275,20 @@ var RequestGuard = (() => {
};
if (tabId < 0) return;
if (pending) request.initialUrl = pending.initialUrl;
try {
browser.tabs.sendMessage(
tabId,
{type: "seen", request, allowed, policyType, ownFrame: true},
{frameId}
);
} catch (e) {
debug(`Couldn't deliver "seen" message for ${type}@${url} ${allowed ? "A" : "F" } to document ${documentUrl} (${frameId}/${tabId}`, e);
if (type !== "sub_frame") { // we couldn't deliver it to frameId, since it's generally not loaded yet
try {
await browser.tabs.sendMessage(
tabId,
{type: "seen", request, allowed, policyType, ownFrame: true},
{frameId}
);
} catch (e) {
debug(`Couldn't deliver "seen" message for ${type}@${url} ${allowed ? "A" : "F" } to document ${documentUrl} (${frameId}/${tabId})`, e);
}
}
if (frameId === 0) return;
try {
browser.tabs.sendMessage(
await browser.tabs.sendMessage(
tabId,
{type: "seen", request, allowed, policyType},
{frameId: 0}

9
src/bg/RequestUtil.js
View File

@ -1,6 +1,7 @@
'use strict';
{
let NULL = new Uint8Array();
let brokenOnLoad = (async () => parseInt(await browser.runtime.getBrowserInfo().version) < 61);
let pendingRequests = new Map();
let cleanup = r => {
@ -59,7 +60,7 @@
let content = this.getContentMetaData(request);
debug(request.url, content.type);
if (/\bxml\b/.test(content.type) && !/\bhtml\b/.test(content.type)) return;
if (/^[\w/+-]*\b(xml|image)\b/i.test(content.type) && !/\bhtml\b/i.test(content.type)) return;
let filter = browser.webRequest.filterResponseData(requestId);
let buffer = [];
@ -76,8 +77,10 @@
}
};
filter.onstart = event => {
filter.write(NULL);
if (brokenOnLoad) {
filter.onstart = event => {
filter.write(NULL);
}
}
filter.ondata = event => {