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{ InvalidConfigurationError } from \"builder-util\"\nimport { copy, emptyDir } from \"fs-extra\"\nimport { chmod, copyFile, mkdir, rename, writeFile } from \"fs/promises\"\nimport * as https from \"https\"\nimport * as path from \"path\"\nimport { AfterPackContext } from \"../configuration\"\nimport { Platform } from \"../core\"\nimport { Framework, PrepareApplicationStageDirectoryOptions } from \"../Framework\"\nimport { LinuxPackager } from \"../linuxPackager\"\nimport { MacPackager } from \"../macPackager\"\nimport { downloadBuilderToolset } from \"../util/electronGet\"\nimport { savePlistFile } from \"../util/plist\"\n\n/** Validates that a value is safe to embed in a double-quoted shell string (no metacharacters). */\nexport function validateShellEmbeddable(value: string, fieldName: string): void {\n // Allow letters, digits, dots, underscores, hyphens, forward slashes, and spaces.\n // Reject anything that could be interpreted as a shell metacharacter when embedded\n // inside a double-quoted string: $, `, \", \\, and newlines.\n if (/[$`\"\\\\\\n]/.test(value)) {\n throw new InvalidConfigurationError(\n `${fieldName} contains characters that are not safe in shell scripts: ${JSON.stringify(value)}. ` + `Avoid $, backtick, double-quote, backslash, and newline characters.`\n )\n }\n}\n\n// LaunchUI version is independent of the Node.js version; this was the hardcoded default in the Go binary.\n// https://github.com/develar/app-builder/blob/master/pkg/package-format/proton-native/protonNative.go#L105-L136\nexport const LAUNCHUI_DEFAULT_VERSION = \"0.1.4-10.13.0\"\n// https://github.com/develar/launchui/releases/tag/v0.1.4-10.13.0\nconst launchUiChecksums = {\n \"launchui-v0.1.4-10.13.0-linux-x64.7z\": \"4fb5cd8ed79e1e24e0f5cf4b26107f2fa6f6fd8dc48ecd18fb6f48f3ccfe9ee6\",\n \"launchui-v0.1.4-10.13.0-win32-ia32.7z\": \"682734da3d817ac365093c6c8ef3d9a70cc3f2a809e4588cb12a311358a68a2d\",\n \"launchui-v0.1.4-10.13.0-win32-x64.7z\": \"2f26629c5f5c12baeff272ac7855a1df7f27621cce782b79965f9a9b5eccc359\",\n}\n\nexport class LibUiFramework implements Framework {\n readonly name: string = \"libui\"\n // noinspection JSUnusedGlobalSymbols\n readonly macOsDefaultTargets = [\"dmg\"]\n\n readonly defaultAppIdPrefix: string = \"com.libui.\"\n\n // noinspection JSUnusedGlobalSymbols\n readonly isCopyElevateHelper = false\n\n // noinspection JSUnusedGlobalSymbols\n readonly isNpmRebuildRequired = false\n\n readonly launchUiVersion: string = LAUNCHUI_DEFAULT_VERSION\n\n constructor(\n readonly version: string,\n readonly macOsProductName: string,\n protected readonly isUseLaunchUi: boolean\n ) {}\n\n get distMacOsAppName(): string {\n return `${this.macOsProductName}.app`\n }\n\n async prepareApplicationStageDirectory(options: PrepareApplicationStageDirectoryOptions) {\n await emptyDir(options.appOutDir)\n\n const packager = options.packager\n const platform = packager.platform\n\n if (this.isUseLaunchUiForPlatform(platform)) {\n const appOutDir = options.appOutDir\n const launchUiDir = await downloadLaunchUiDir(this.launchUiVersion, platform, options.arch)\n await copy(launchUiDir, appOutDir)\n const skeletonExe = `launchui${platform === Platform.WINDOWS ? \".exe\" : \"\"}`\n const executableName = `${packager.appInfo.productFilename}${platform === Platform.WINDOWS ? \".exe\" : \"\"}`\n await rename(path.join(appOutDir, skeletonExe), path.join(appOutDir, executableName))\n return\n }\n\n if (platform === Platform.MAC) {\n await this.prepareMacosApplicationStageDirectory(packager as MacPackager, options)\n } else if (platform === Platform.LINUX) {\n await this.prepareLinuxApplicationStageDirectory(options)\n }\n }\n\n private async prepareMacosApplicationStageDirectory(packager: MacPackager, options: PrepareApplicationStageDirectoryOptions) {\n const appContentsDir = path.join(options.appOutDir, this.distMacOsAppName, \"Contents\")\n await mkdir(path.join(appContentsDir, \"Resources\"), { recursive: true })\n await mkdir(path.join(appContentsDir, \"MacOS\"), { recursive: true })\n const nodeBinaryMac = await downloadNodeJsBinary(this.version, Platform.MAC, \"x64\")\n await copyFile(nodeBinaryMac, path.join(appContentsDir, \"MacOS\", \"node\"))\n await chmod(path.join(appContentsDir, \"MacOS\", \"node\"), 0o755)\n\n const appPlist: any = {\n // https://github.com/albe-rosado/create-proton-app/issues/13\n NSHighResolutionCapable: true,\n }\n await packager.applyCommonInfo(appPlist, appContentsDir)\n await savePlistFile(path.join(appContentsDir, \"Info.plist\"), appPlist)\n const macMain = options.packager.info.metadata.main || \"index.js\"\n validateShellEmbeddable(macMain, \"package.json main\")\n await writeExecutableMain(\n path.join(appContentsDir, \"MacOS\", appPlist.CFBundleExecutable),\n `#!/bin/sh\n DIR=$(dirname \"$0\")\n \"$DIR/node\" \"$DIR/../Resources/app/${macMain}\"\n `\n )\n }\n\n private async prepareLinuxApplicationStageDirectory(options: PrepareApplicationStageDirectoryOptions) {\n const appOutDir = options.appOutDir\n const nodeBinaryLinux = await downloadNodeJsBinary(this.version, Platform.LINUX, options.arch)\n await copyFile(nodeBinaryLinux, path.join(appOutDir, \"node\"))\n await chmod(path.join(appOutDir, \"node\"), 0o755)\n const mainPath = path.join(appOutDir, (options.packager as LinuxPackager).executableName)\n const linuxMain = options.packager.info.metadata.main || \"index.js\"\n validateShellEmbeddable(linuxMain, \"package.json main\")\n await writeExecutableMain(\n mainPath,\n `#!/bin/sh\n DIR=$(dirname \"$0\")\n \"$DIR/node\" \"$DIR/app/${linuxMain}\"\n `\n )\n }\n\n async afterPack(context: AfterPackContext) {\n const packager = context.packager\n if (!this.isUseLaunchUiForPlatform(packager.platform)) {\n return\n }\n\n // LaunchUI requires main.js, rename if need\n const userMain = packager.info.metadata.main || \"index.js\"\n if (userMain === \"main.js\") {\n return\n }\n\n await rename(path.join(context.appOutDir, \"app\", userMain), path.join(context.appOutDir, \"app\", \"main.js\"))\n }\n\n getMainFile(platform: Platform): string | null {\n return this.isUseLaunchUiForPlatform(platform) ? \"main.js\" : null\n }\n\n private isUseLaunchUiForPlatform(platform: Platform) {\n return platform === Platform.WINDOWS || (this.isUseLaunchUi && platform === Platform.LINUX)\n }\n\n getExcludedDependencies(platform: Platform): Array | null {\n // part of launchui\n return this.isUseLaunchUiForPlatform(platform) ? [\"libui-node\"] : null\n }\n}\n\nasync function writeExecutableMain(file: string, content: string) {\n await writeFile(file, content, { mode: 0o755 })\n await chmod(file, 0o755)\n}\n\nexport type NodeJsDownloadParams = {\n releaseName: string\n filenameWithExt: string\n overrideUrl: string\n binaryRelPath: string\n}\n\nexport function getNodeJsDownloadParams(version: string, platform: Platform, arch: string): NodeJsDownloadParams {\n const isWindows = platform === Platform.WINDOWS\n const nodePlatform = isWindows ? \"win\" : platform === Platform.MAC ? \"darwin\" : \"linux\"\n const nodeArch = isWindows && arch === \"ia32\" ? \"x86\" : arch\n const format = isWindows ? \"zip\" : \"tar.gz\"\n const filenameWithExt = `node-v${version}-${nodePlatform}-${nodeArch}.${format}`\n // tar.gz: strip:1 moves node-v.../bin/node → bin/node in extractDir\n // zip: no strip, node.exe lives under the top-level dir node-v{version}-win-{arch}/\n const binaryRelPath = isWindows ? path.join(`node-v${version}-win-${nodeArch}`, \"node.exe\") : path.join(\"bin\", \"node\")\n return { releaseName: `nodejs-v${version}`, filenameWithExt, overrideUrl: `https://nodejs.org/dist/v${version}`, binaryRelPath }\n}\n\nexport async function downloadNodeJsBinary(version: string, platform: Platform, arch: string): Promise {\n const { releaseName, filenameWithExt, overrideUrl, binaryRelPath } = getNodeJsDownloadParams(version, platform, arch)\n const sha256 = await fetchNodeJsChecksum(version, filenameWithExt)\n const checksums = { [filenameWithExt]: sha256 }\n const extractDir = await downloadBuilderToolset({ releaseName, filenameWithExt, overrideUrl, checksums })\n return path.join(extractDir, binaryRelPath)\n}\n\n/**\n * Fetches the SHA-256 hex digest for a specific Node.js distribution file from\n * the official nodejs.org SHASUMS256.txt, preventing MITM substitution attacks.\n */\nexport async function fetchNodeJsChecksum(version: string, filename: string): Promise {\n const url = `https://nodejs.org/dist/v${version}/SHASUMS256.txt`\n return new Promise((resolve, reject) => {\n https\n .get(url, { headers: { \"User-Agent\": \"electron-builder\" } }, res => {\n if (res.statusCode !== 200) {\n res.resume()\n reject(new Error(`HTTP ${res.statusCode} fetching Node.js SHASUMS256.txt for v${version}`))\n return\n }\n const chunks: Buffer[] = []\n res.on(\"data\", (c: Buffer) => chunks.push(c))\n res.on(\"end\", () => {\n const text = Buffer.concat(chunks).toString(\"utf8\")\n for (const line of text.split(\"\\n\")) {\n const m = line.match(/^([0-9a-f]{64})\\s+(.+)$/)\n if (m != null && m[2].trim() === filename) {\n resolve(m[1])\n return\n }\n }\n reject(new Error(`No checksum for ${filename} in Node.js v${version} SHASUMS256.txt`))\n })\n res.on(\"error\", reject)\n })\n .on(\"error\", reject)\n })\n}\n\nexport type LaunchUiDownloadParams = {\n releaseName: string\n filenameWithExt: string\n githubOrgRepo: string\n checksums: Record\n}\n\nexport function getLaunchUiDownloadParams(version: string, platform: Platform, arch: string): LaunchUiDownloadParams {\n const launchPlatform = platform === Platform.MAC ? \"mac\" : platform === Platform.WINDOWS ? \"win32\" : \"linux\"\n return {\n releaseName: `v${version}`,\n filenameWithExt: `launchui-v${version}-${launchPlatform}-${arch}.7z`,\n githubOrgRepo: \"develar/launchui\",\n checksums: launchUiChecksums,\n }\n}\n\nexport async function downloadLaunchUiDir(version: string, platform: Platform, arch: string): Promise {\n return downloadBuilderToolset(getLaunchUiDownloadParams(version, platform, arch))\n}\n"]}