forked from mirrors/gecko-dev
23533b8865
Use the correct function name (delMacXAttr vs removeMacXAttr) to remove the com.apple.quarantine extended attribute from downloaded plugin files. Add test code to ensure extracted plugin files do not have the quarantine attribute. Differential Revision: https://phabricator.services.mozilla.com/D148739
84 lines
2.8 KiB
JavaScript
84 lines
2.8 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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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 installToDirPath = PathUtils.join(
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await PathUtils.getProfileDir(),
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...msg.data.relativeInstallPath
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);
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await IOUtils.makeDirectory(installToDirPath);
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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 = PathUtils.join(installToDirPath, fileName);
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await IOUtils.write(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 IOUtils.setPermissions(destPath, 0o700);
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if (IOUtils.delMacXAttr) {
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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 IOUtils.delMacXAttr(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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