@remotion/renderer
Version:
Render Remotion videos using Node.js or Bun
145 lines (144 loc) • 5.31 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractZipArchive = void 0;
const node_fs_1 = require("node:fs");
const promises_1 = require("node:fs/promises");
const path = __importStar(require("node:path"));
const consumers_1 = require("node:stream/consumers");
const promises_2 = require("node:stream/promises");
const node_util_1 = require("node:util");
const yauzl = __importStar(require("../../vendor/yauzl-patched"));
const openZip = (0, node_util_1.promisify)(yauzl.open);
const openReadStream = (zipfile, entry) => {
return new Promise((resolve, reject) => {
zipfile.openReadStream(entry, (err, readStream) => {
if (err) {
reject(err);
return;
}
if (!readStream) {
reject(new Error('Failed to open zip read stream'));
return;
}
resolve(readStream);
});
});
};
const getExtractedMode = (entryMode, isDir) => {
if (entryMode !== 0) {
return entryMode;
}
return isDir ? 0o755 : 0o644;
};
const extractEntry = async ({ entry, zipfile, dir, }) => {
if (entry.fileName.startsWith('__MACOSX/')) {
return;
}
const dest = path.join(dir, entry.fileName);
const destDir = path.dirname(dest);
await (0, promises_1.mkdir)(destDir, { recursive: true });
const canonicalDestDir = await (0, promises_1.realpath)(destDir);
const relativeDestDir = path.relative(dir, canonicalDestDir);
if (relativeDestDir.split(path.sep).includes('..')) {
throw new Error(`Out of bound path "${canonicalDestDir}" found while processing file ${entry.fileName}`);
}
const mode = (entry.externalFileAttributes >> 16) & 0xffff;
const IFMT = 61440;
const IFDIR = 16384;
const IFLNK = 40960;
const symlinkEntry = (mode & IFMT) === IFLNK;
let isDir = (mode & IFMT) === IFDIR;
if (!isDir && entry.fileName.endsWith('/')) {
isDir = true;
}
const madeBy = entry.versionMadeBy >> 8;
if (!isDir && madeBy === 0 && entry.externalFileAttributes === 16) {
isDir = true;
}
const procMode = getExtractedMode(mode, isDir) & 0o777;
const destDirectory = isDir ? dest : path.dirname(dest);
await (0, promises_1.mkdir)(destDirectory, {
recursive: true,
mode: isDir ? procMode : undefined,
});
if (isDir) {
return;
}
const readStream = await openReadStream(zipfile, entry);
if (symlinkEntry) {
const link = (await (0, consumers_1.buffer)(readStream)).toString();
await (0, promises_1.symlink)(link, dest);
return;
}
await (0, promises_2.pipeline)(readStream, (0, node_fs_1.createWriteStream)(dest, { mode: procMode }));
};
const extractZipArchive = async (archivePath, dir) => {
if (!path.isAbsolute(dir)) {
throw new Error('Target directory is expected to be absolute');
}
await (0, promises_1.mkdir)(dir, { recursive: true });
const resolvedDir = await (0, promises_1.realpath)(dir);
const zipfile = await openZip(archivePath, { lazyEntries: true });
return new Promise((resolve, reject) => {
let canceled = false;
const cancel = (err) => {
if (canceled) {
return;
}
canceled = true;
zipfile.close();
reject(err);
};
zipfile.on('error', cancel);
zipfile.on('close', () => {
if (!canceled) {
resolve();
}
});
zipfile.on('entry', (entry) => {
if (canceled) {
return;
}
extractEntry({ entry, zipfile, dir: resolvedDir })
.then(() => {
zipfile.readEntry();
})
.catch(cancel);
});
zipfile.readEntry();
});
};
exports.extractZipArchive = extractZipArchive;