gecko-dev/toolkit/modules/GMPExtractorWorker.js
Mark Banner 691543ee89 Bug 1486739 - Add missing dangling commas in browser/, services/, taskcluster/ and toolkit/. r=mossop
Automatic changes by ESLint, except for manual corrections for .xml files.

Differential Revision: https://phabricator.services.mozilla.com/D4439

--HG--
extra : moz-landing-system : lando
2018-08-31 05:59:17 +00:00

67 lines
2.4 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* eslint-env mozilla/chrome-worker */
"use strict";
importScripts("resource://gre/modules/osfile.jsm");
const FILE_ENTRY = "201: ";
onmessage = async function(msg) {
try {
let extractedPaths = [];
let jarPath = "jar:file://" + msg.data.zipPath + "!/";
let jarResponse = await fetch(jarPath);
let dirListing = await jarResponse.text();
let lines = dirListing.split("\n");
let reader = new FileReader();
for (let line of lines) {
if (!line.startsWith(FILE_ENTRY)) {
// Not a file entry, skip.
continue;
}
let lineSplits = line.split(" ");
let fileName = lineSplits[1];
// We don't need these types of files.
if (fileName == "verified_contents.json" ||
fileName == "icon-128x128.png") {
continue;
}
let filePath = jarPath + fileName;
let filePathResponse = await fetch(filePath);
let fileContents = await filePathResponse.blob();
let fileData = await new Promise(resolve => {
reader.onloadend = function() { resolve(reader.result); };
reader.readAsArrayBuffer(fileContents);
});
let profileDirPath = OS.Constants.Path.profileDir;
let installToDirPath = OS.Path.join(profileDirPath,
msg.data.relativeInstallPath);
await OS.File.makeDir(installToDirPath, {ignoreExisting: true,
unixMode: 0o755,
from: profileDirPath});
// Do not extract into directories. Extract all files to the same
// directory.
let destPath = OS.Path.join(installToDirPath, fileName);
await OS.File.writeAtomic(destPath, new Uint8Array(fileData),
{tmpPath: destPath + ".tmp"});
// Ensure files are writable and executable. Otherwise, we may be
// unable to execute or uninstall them.
await OS.File.setPermissions(destPath, {unixMode: 0o700});
extractedPaths.push(destPath);
}
postMessage({
"result": "success",
extractedPaths,
});
} catch (e) {
postMessage({
"result": "fail",
"exception": e.message,
});
}
};