72 lines
2.6 KiB
JavaScript
72 lines
2.6 KiB
JavaScript
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const asar_1 = __importDefault(require("asar"));
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const buffer_1 = require("./buffer");
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const path_1 = __importDefault(require("path"));
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const promisified_functions_1 = require("./promisified-functions");
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const ASAR_EXTNAME = '.asar';
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class Asar {
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constructor() {
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this._archivePaths = new Set();
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}
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static async _isAsarArchive(archivePath) {
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try {
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const stats = await (0, promisified_functions_1.stat)(archivePath);
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return stats.isFile() && path_1.default.extname(archivePath) === ASAR_EXTNAME;
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}
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catch (e) {
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return false;
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}
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}
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async _findArchivePath(fullPath) {
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let currentPath = fullPath;
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let currentDir = path_1.default.dirname(currentPath);
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while (currentPath !== currentDir) {
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if (await Asar._isAsarArchive(currentPath))
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return currentPath;
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currentPath = path_1.default.dirname(currentPath);
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currentDir = path_1.default.dirname(currentPath);
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}
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return '';
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}
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parse(fullPath) {
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for (const archivePath of this._archivePaths) {
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if (fullPath.startsWith(archivePath))
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return { archive: archivePath, fileName: fullPath.substr(archivePath.length + 1) };
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}
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return { archive: '', fileName: '' };
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}
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async isAsar(fullPath) {
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for (const archivePath of this._archivePaths) {
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if (fullPath.startsWith(archivePath)) {
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if (!await Asar._isAsarArchive(archivePath)) {
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this._archivePaths.delete(archivePath);
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break;
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}
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return true;
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}
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}
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const archivePath = await this._findArchivePath(fullPath);
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if (archivePath) {
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this._archivePaths.add(archivePath);
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return true;
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}
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return false;
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}
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extractFileToReadStream(archive, fileName) {
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const extractedFile = asar_1.default.extractFile(archive, fileName);
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return (0, buffer_1.toReadableStream)(extractedFile);
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}
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getFileInAsarNotFoundErrorMessage(archive, fileName) {
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return `Cannot find the "${fileName.replace(/\\/g, '/')}" file in the "${archive.replace(/\\/g, '/')}" archive.`;
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}
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getArchivePath(fullPath) {
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return this.parse(fullPath).archive;
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}
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}
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exports.default = Asar;module.exports = exports.default;
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