ma1 pushed to branch base-browser-128.1.0esr-14.0-1 at The Tor Project / Applications / Tor Browser
Commits:
-
ac2dbd4d
by hackademix at 2024-08-02T22:23:38+02:00
4 changed files:
- + toolkit/actors/FilesFilterChild.sys.mjs
- + toolkit/actors/FilesFilterParent.sys.mjs
- toolkit/actors/moz.build
- toolkit/modules/ActorManagerParent.sys.mjs
Changes:
| 1 | +/* This Source Code Form is subject to the terms of the Mozilla Public
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| 2 | + * License, v. 2.0. If a copy of the MPL was not distributed with this
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| 3 | + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 4 | + |
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| 5 | +const lazy = {};
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| 6 | + |
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| 7 | +ChromeUtils.defineLazyGetter(lazy, "console", () => {
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| 8 | + return console.createInstance({
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| 9 | + prefix: "FilesFilter",
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| 10 | + });
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| 11 | +});
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| 12 | + |
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| 13 | +export class FilesFilterChild extends JSWindowActorChild {
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| 14 | + handleEvent(event) {
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| 15 | + // drop or paste
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| 16 | + const { composedTarget } = event;
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| 17 | + const dt = event.clipboardData || event.dataTransfer;
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| 18 | + |
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| 19 | + if (dt.files.length) {
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| 20 | + if (
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| 21 | + ["HTMLInputElement", "HTMLTextAreaElement"].includes(
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| 22 | + ChromeUtils.getClassName(composedTarget)
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| 23 | + )
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| 24 | + ) {
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| 25 | + event.preventDefault();
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| 26 | + lazy.console.log(
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| 27 | + `Preventing path leak on ${event.type} for ${[...dt.files]
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| 28 | + .map(f => f.name)
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| 29 | + .join(", ")}.`
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| 30 | + );
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| 31 | + }
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| 32 | + return;
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| 33 | + }
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| 34 | + |
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| 35 | + // "Paste Without Formatting" (ctrl+shift+V) in HTML editors coerces files into paths
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| 36 | + if (!(event.clipboardData && dt.getData("text"))) {
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| 37 | + return;
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| 38 | + }
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| 39 | + |
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| 40 | + // check wether the clipboard contains a file
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| 41 | + const { clipboard } = Services;
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| 42 | + if (
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| 43 | + [clipboard.kSelectionClipboard, clipboard.kGlobalClipboard].some(
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| 44 | + clipboardType =>
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| 45 | + clipboard.isClipboardTypeSupported(clipboardType) &&
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| 46 | + clipboard.hasDataMatchingFlavors(
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| 47 | + ["application/x-moz-file"],
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| 48 | + clipboardType
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| 49 | + )
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| 50 | + )
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| 51 | + ) {
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| 52 | + event.preventDefault();
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| 53 | + event.stopPropagation();
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| 54 | + lazy.console.log(
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| 55 | + `Preventing path leak on "Paste Without Formatting" for ${dt.getData(
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| 56 | + "text"
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| 57 | + )}.`
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| 58 | + );
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| 59 | + }
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| 60 | + }
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| 61 | +} |
| 1 | +/* This Source Code Form is subject to the terms of the Mozilla Public
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| 2 | + * License, v. 2.0. If a copy of the MPL was not distributed with this
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| 3 | + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 4 | + |
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| 5 | +export class FilesFilterParent extends JSWindowActorParent {
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| 6 | + // just a stub for now
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| 7 | +} |
| ... | ... | @@ -53,6 +53,8 @@ FINAL_TARGET_FILES.actors += [ |
| 53 | 53 | "DateTimePickerChild.sys.mjs",
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| 54 | 54 | "DateTimePickerParent.sys.mjs",
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| 55 | 55 | "ExtFindChild.sys.mjs",
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| 56 | + "FilesFilterChild.sys.mjs",
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| 57 | + "FilesFilterParent.sys.mjs",
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| 56 | 58 | "FindBarChild.sys.mjs",
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| 57 | 59 | "FindBarParent.sys.mjs",
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| 58 | 60 | "FinderChild.sys.mjs",
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| ... | ... | @@ -285,6 +285,22 @@ let JSWINDOWACTORS = { |
| 285 | 285 | allFrames: true,
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| 286 | 286 | },
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| 287 | 287 | |
| 288 | + FilesFilter: {
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| 289 | + parent: {
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| 290 | + esModuleURI: "resource://gre/actors/FilesFilterParent.sys.mjs",
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| 291 | + },
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| 292 | + |
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| 293 | + child: {
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| 294 | + esModuleURI: "resource://gre/actors/FilesFilterChild.sys.mjs",
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| 295 | + events: {
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| 296 | + drop: {},
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| 297 | + paste: { capture: true },
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| 298 | + },
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| 299 | + },
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| 300 | + |
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| 301 | + allFrames: true,
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| 302 | + },
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| 303 | + |
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| 288 | 304 | FindBar: {
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| 289 | 305 | parent: {
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| 290 | 306 | esModuleURI: "resource://gre/actors/FindBarParent.sys.mjs",
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