0b64a2aedb
- Removed the deprecated convert binary file from the project. - Enhanced the runtime synchronization logic to support dynamic version fetching from GitHub releases. - Improved platform and architecture detection for the converter candidates. - Added functions for downloading, extracting, and validating the export runtime. - Implemented error handling for HTTP requests and file operations. - Updated the main function to handle existing runtime validation and conditional downloading.
362 lines
10 KiB
JavaScript
362 lines
10 KiB
JavaScript
const fs = require("fs");
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const http = require("http");
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const https = require("https");
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const path = require("path");
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const { execFileSync } = require("child_process");
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const packageJson = JSON.parse(fs.readFileSync(path.join(__dirname, "package.json"), "utf8"));
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const targetRoot = path.join(__dirname, "resources", "export");
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const targetPyDir = path.join(targetRoot, "py");
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const targetIndex = path.join(targetRoot, "index.js");
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const cacheDir = path.join(__dirname, ".cache", "export-runtime");
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const exportRepoBase = "https://github.com/presenton/presenton-export/releases/download";
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const exportVersion = packageJson.exportVersion || "v0.1.0";
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const cliArgs = new Set(process.argv.slice(2));
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const forceDownload = cliArgs.has("--force");
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const checkOnly = cliArgs.has("--check-only");
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async function getTargetVersion() {
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const requestedVersion = process.env.EXPORT_RUNTIME_VERSION || exportVersion;
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if (requestedVersion !== "latest") {
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return requestedVersion;
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}
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const apiUrl = "https://api.github.com/repos/presenton/presenton-export/releases/latest";
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const latest = await requestJson(apiUrl);
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if (!latest.tag_name) {
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throw new Error(`Could not resolve latest release tag from ${apiUrl}`);
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}
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return latest.tag_name;
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}
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function getPlatformAssetName() {
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const platformArch = `${process.platform}-${process.arch}`;
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if (platformArch === "linux-x64") return "export-Linux-X64.zip";
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if (platformArch === "darwin-arm64") return "export-macOS-ARM64.zip";
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if (platformArch === "win32-x64") return "export-Windows-X64.zip";
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throw new Error(
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`Unsupported export runtime platform: ${platformArch}. Supported: linux-x64, darwin-arm64, win32-x64`
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);
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}
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function getConverterCandidates() {
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const platformAliases = {
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linux: ["linux"],
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darwin: ["darwin", "macos", "mac"],
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win32: ["win32", "windows", "win"],
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};
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const archAliases = {
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x64: ["x64", "amd64"],
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arm64: ["arm64", "aarch64"],
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};
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const candidates = [];
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const platforms = platformAliases[process.platform] || [process.platform];
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const archs = archAliases[process.arch] || [process.arch];
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const windows = process.platform === "win32";
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for (const p of platforms) {
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for (const a of archs) {
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candidates.push(path.join(targetPyDir, `convert-${p}-${a}`));
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candidates.push(path.join(targetPyDir, `convert-${p}-${a}.exe`));
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}
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candidates.push(path.join(targetPyDir, `convert-${p}`));
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candidates.push(path.join(targetPyDir, `convert-${p}.exe`));
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}
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if (windows) {
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candidates.push(path.join(targetPyDir, "convert.exe"));
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}
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candidates.push(path.join(targetPyDir, "convert"));
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return [...new Set(candidates)];
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}
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function ensureDir(dirPath) {
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fs.mkdirSync(dirPath, { recursive: true });
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}
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function chmodIfPossible(filePath) {
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if (process.platform !== "win32") {
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fs.chmodSync(filePath, 0o755);
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}
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}
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function detectBinaryFormat(filePath) {
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const fd = fs.openSync(filePath, "r");
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try {
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const header = Buffer.alloc(4);
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fs.readSync(fd, header, 0, 4, 0);
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if (header[0] === 0x7f && header[1] === 0x45 && header[2] === 0x4c && header[3] === 0x46) {
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return "elf";
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}
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if (header[0] === 0x4d && header[1] === 0x5a) {
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return "pe";
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}
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const magic = header.readUInt32BE(0);
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if (
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magic === 0xfeedface ||
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magic === 0xcefaedfe ||
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magic === 0xfeedfacf ||
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magic === 0xcffaedfe ||
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magic === 0xcafebabe ||
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magic === 0xbebafeca
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) {
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return "mach-o";
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}
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return "unknown";
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} finally {
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fs.closeSync(fd);
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}
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}
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function isFormatCompatible(format) {
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if (process.platform === "darwin") return format === "mach-o";
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if (process.platform === "linux") return format === "elf";
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if (process.platform === "win32") return format === "pe";
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return true;
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}
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function validateExistingRuntime() {
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if (!fs.existsSync(targetIndex)) {
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return { ok: false, reason: `Missing runtime bundle: ${targetIndex}` };
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}
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const converterCandidates = getConverterCandidates();
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const converterPath = converterCandidates.find((candidate) => fs.existsSync(candidate));
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if (!converterPath) {
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return {
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ok: false,
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reason: [
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"No converter binary found in electron/resources/export/py.",
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"Expected one of:",
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...converterCandidates.map((candidate) => ` - ${candidate}`),
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].join("\n"),
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};
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}
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const binaryFormat = detectBinaryFormat(converterPath);
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if (!isFormatCompatible(binaryFormat)) {
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return {
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ok: false,
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reason: [
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`Converter binary is not valid for ${process.platform}/${process.arch}.`,
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`Selected converter: ${converterPath}`,
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`Detected format: ${binaryFormat}`,
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].join("\n"),
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};
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}
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chmodIfPossible(converterPath);
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return { ok: true, converterPath };
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}
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function hasExportDirectoryContent() {
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if (!fs.existsSync(targetRoot)) return false;
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return fs.readdirSync(targetRoot).length > 0;
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}
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function request(url) {
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const client = url.startsWith("https:") ? https : http;
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return client;
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}
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function requestJson(url, redirects = 5) {
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return new Promise((resolve, reject) => {
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const client = request(url);
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const req = client.get(
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url,
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{
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headers: {
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"User-Agent": "presenton-export-runtime-sync",
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Accept: "application/vnd.github+json",
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},
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},
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(res) => {
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if ([301, 302, 303, 307, 308].includes(res.statusCode) && res.headers.location) {
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if (redirects <= 0) {
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reject(new Error(`Too many redirects for JSON request: ${url}`));
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return;
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}
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requestJson(res.headers.location, redirects - 1).then(resolve).catch(reject);
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return;
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}
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if (res.statusCode < 200 || res.statusCode >= 300) {
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reject(new Error(`Failed to fetch ${url}. HTTP ${res.statusCode}`));
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return;
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}
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let payload = "";
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res.setEncoding("utf8");
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res.on("data", (chunk) => {
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payload += chunk;
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});
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res.on("end", () => {
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try {
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resolve(JSON.parse(payload));
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} catch (error) {
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reject(new Error(`Invalid JSON received from ${url}: ${error.message}`));
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}
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});
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}
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);
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req.on("error", reject);
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});
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}
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function downloadFile(url, outputPath, redirects = 5) {
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return new Promise((resolve, reject) => {
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const client = request(url);
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const req = client.get(
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url,
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{
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headers: {
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"User-Agent": "presenton-export-runtime-sync",
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Accept: "application/octet-stream",
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},
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},
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(res) => {
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if ([301, 302, 303, 307, 308].includes(res.statusCode) && res.headers.location) {
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if (redirects <= 0) {
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reject(new Error(`Too many redirects while downloading ${url}`));
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return;
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}
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downloadFile(res.headers.location, outputPath, redirects - 1).then(resolve).catch(reject);
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return;
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}
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if (res.statusCode < 200 || res.statusCode >= 300) {
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reject(new Error(`Failed to download ${url}. HTTP ${res.statusCode}`));
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return;
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}
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ensureDir(path.dirname(outputPath));
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const fileStream = fs.createWriteStream(outputPath);
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res.pipe(fileStream);
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fileStream.on("finish", () => {
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fileStream.close(resolve);
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});
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fileStream.on("error", reject);
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}
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);
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req.on("error", reject);
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});
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}
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function unzipArchive(zipPath, destDir) {
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ensureDir(destDir);
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if (process.platform === "win32") {
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execFileSync(
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"powershell",
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[
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"-NoProfile",
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"-Command",
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`Expand-Archive -Path '${zipPath}' -DestinationPath '${destDir}' -Force`,
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],
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{ stdio: "inherit" }
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);
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return;
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}
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execFileSync("unzip", ["-o", zipPath, "-d", destDir], { stdio: "inherit" });
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}
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function resolveExtractedRoot(extractDir) {
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const directIndex = path.join(extractDir, "index.js");
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const directPy = path.join(extractDir, "py");
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if (fs.existsSync(directIndex) && fs.existsSync(directPy)) {
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return extractDir;
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}
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const children = fs.readdirSync(extractDir, { withFileTypes: true });
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for (const entry of children) {
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if (!entry.isDirectory()) continue;
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const candidate = path.join(extractDir, entry.name);
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const candidateIndex = path.join(candidate, "index.js");
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const candidatePy = path.join(candidate, "py");
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if (fs.existsSync(candidateIndex) && fs.existsSync(candidatePy)) {
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return candidate;
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}
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}
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throw new Error(`Unable to locate export runtime root under ${extractDir}`);
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}
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async function downloadAndInstallRuntime() {
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const tag = await getTargetVersion();
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const assetName = getPlatformAssetName();
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const downloadUrl = `${exportRepoBase}/${tag}/${assetName}`;
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ensureDir(cacheDir);
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const zipPath = path.join(cacheDir, assetName);
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const extractDir = path.join(cacheDir, `extract-${Date.now()}`);
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console.log(`[export-runtime] Downloading ${downloadUrl}`);
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await downloadFile(downloadUrl, zipPath);
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console.log(`[export-runtime] Extracting ${zipPath}`);
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unzipArchive(zipPath, extractDir);
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const sourceRoot = resolveExtractedRoot(extractDir);
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fs.rmSync(targetRoot, { recursive: true, force: true });
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ensureDir(targetRoot);
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fs.cpSync(sourceRoot, targetRoot, { recursive: true, force: true });
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fs.rmSync(extractDir, { recursive: true, force: true });
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return { tag, downloadUrl };
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}
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async function main() {
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const existing = validateExistingRuntime();
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if (checkOnly) {
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if (!existing.ok) {
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throw new Error(existing.reason);
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}
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console.log("[export-runtime] Existing runtime is valid.");
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console.log(` - ${targetIndex}`);
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console.log(` - ${existing.converterPath}`);
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return;
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}
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if (existing.ok && !forceDownload) {
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console.log("[export-runtime] Using existing runtime artifacts:");
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console.log(` - ${targetIndex}`);
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console.log(` - ${existing.converterPath}`);
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return;
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}
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if (!existing.ok && hasExportDirectoryContent()) {
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console.log("[export-runtime] Existing export directory is invalid, re-syncing package.");
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}
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const { tag, downloadUrl } = await downloadAndInstallRuntime();
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const installed = validateExistingRuntime();
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if (!installed.ok) {
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throw new Error(installed.reason);
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}
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console.log("[export-runtime] Runtime synced successfully:");
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console.log(` - release: ${tag}`);
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console.log(` - url: ${downloadUrl}`);
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console.log(` - ${targetIndex}`);
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console.log(` - ${installed.converterPath}`);
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}
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main().catch((error) => {
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console.error(`[export-runtime] ${error.message}`);
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process.exit(1);
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});
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