forked from mirrors/gecko-dev
bf659512f8
Users with certain special characters on the path to the temp dirs where GMPs are saved would not be able to extract GMPS. This fixes this by escaping characters such as # so that the URIs to the file are treated correctly. Differential Revision: https://phabricator.services.mozilla.com/D92088
91 lines
3.1 KiB
JavaScript
91 lines
3.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* eslint-env mozilla/chrome-worker */
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"use strict";
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importScripts("resource://gre/modules/osfile.jsm");
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const FILE_ENTRY = "201: ";
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onmessage = async function(msg) {
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try {
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let extractedPaths = [];
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// Construct a jar URI from the file URI so we can use the JAR URI scheme
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// handling to navigate inside the zip file.
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let jarPath = "jar:" + msg.data.zipURI + "!/";
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let jarResponse = await fetch(jarPath);
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let dirListing = await jarResponse.text();
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let lines = dirListing.split("\n");
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let reader = new FileReader();
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for (let line of lines) {
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if (!line.startsWith(FILE_ENTRY)) {
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// Not a file entry, skip.
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continue;
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}
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let lineSplits = line.split(" ");
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let fileName = lineSplits[1];
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// We don't need these types of files.
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if (
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fileName == "verified_contents.json" ||
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fileName == "icon-128x128.png"
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) {
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continue;
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}
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let filePath = jarPath + fileName;
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let filePathResponse = await fetch(filePath);
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let fileContents = await filePathResponse.blob();
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let fileData = await new Promise(resolve => {
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reader.onloadend = function() {
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resolve(reader.result);
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};
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reader.readAsArrayBuffer(fileContents);
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});
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let profileDirPath = OS.Constants.Path.profileDir;
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let installToDirPath = OS.Path.join(
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profileDirPath,
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msg.data.relativeInstallPath
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);
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await OS.File.makeDir(installToDirPath, {
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ignoreExisting: true,
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unixMode: 0o755,
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from: profileDirPath,
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});
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// Do not extract into directories. Extract all files to the same
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// directory.
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let destPath = OS.Path.join(installToDirPath, fileName);
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await OS.File.writeAtomic(destPath, new Uint8Array(fileData), {
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tmpPath: destPath + ".tmp",
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});
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// Ensure files are writable and executable. Otherwise, we may be
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// unable to execute or uninstall them.
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await OS.File.setPermissions(destPath, { unixMode: 0o700 });
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if (OS.Constants.Sys.Name == "Darwin") {
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// If we're on MacOS Firefox will add the quarantine xattr to files it
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// downloads. In this case we want to clear that xattr so we can load
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// the CDM.
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try {
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await OS.File.macRemoveXAttr(destPath, "com.apple.quarantine");
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} catch (e) {
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// Failed to remove the attribute. This could be because the profile
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// exists on a file system without xattr support.
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//
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// Don't fail the extraction here, as in this case it's likely we
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// didn't set quarantine on these files in the first place.
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}
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}
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extractedPaths.push(destPath);
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}
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postMessage({
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result: "success",
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extractedPaths,
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});
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} catch (e) {
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postMessage({
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result: "fail",
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exception: e.message,
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});
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}
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};
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