/* 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/. */
"use strict";
const FILE_ENTRY = "201: ";
async function readJarDirectory(jarPath, installToDirPath) {
let extractedPaths = []; // Construct a jar URI from the file URI so we can use the JAR URI scheme // handling to navigate inside the zip file.
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;
} // code: entry size modified-time type
let lineSplits = line.split(" ");
let jarEntry = lineSplits[1];
let jarType = lineSplits[4]; // Descend into and flatten any subfolders. if (jarType === "DIRECTORY") {
extractedPaths.push(
...(await readJarDirectory(jarPath + jarEntry, installToDirPath))
); continue;
}
let fileName = jarEntry.split("/").pop(); // Only keep the binaries and metadata files. if (
!fileName.endsWith(".info") &&
!fileName.endsWith(".dll") &&
!fileName.endsWith(".dylib") &&
!fileName.endsWith(".sig") &&
!fileName.endsWith(".so") &&
!fileName.endsWith(".txt") &&
fileName !== "LICENSE" &&
fileName !== "manifest.json"
) { continue;
}
let filePath = jarPath + jarEntry;
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);
});
await IOUtils.makeDirectory(installToDirPath); // Do not extract into directories. Extract all files to the same // directory.
let destPath = PathUtils.join(installToDirPath, fileName);
await IOUtils.write(destPath, new Uint8Array(fileData), {
tmpPath: destPath + ".tmp",
}); // Ensure files are writable and executable. Otherwise, we may be // unable to execute or uninstall them.
await IOUtils.setPermissions(destPath, 0o700); if (IOUtils.delMacXAttr) { // If we're on MacOS Firefox will add the quarantine xattr to files it // downloads. In this case we want to clear that xattr so we can load // the CDM. try {
await IOUtils.delMacXAttr(destPath, "com.apple.quarantine");
} catch (e) { // Failed to remove the attribute. This could be because the profile // exists on a file system without xattr support. // // Don't fail the extraction here, as in this case it's likely we // didn't set quarantine on these files in the first place.
}
}
extractedPaths.push(destPath);
} return extractedPaths;
}
onmessage = async function (msg) { try { // Construct a jar URI from the file URI so we can use the JAR URI scheme // handling to navigate inside the zip file.
let jarPath = "jar:" + msg.data.zipURI + "!/";
let installToDirPath = PathUtils.join(
await PathUtils.getProfileDir(),
...msg.data.relativeInstallPath
);
let extractedPaths = await readJarDirectory(jarPath, installToDirPath);
postMessage({
result: "success",
extractedPaths,
});
} catch (e) {
postMessage({
result: "fail",
exception: e.message,
});
}
};
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
