test

vscode-server-linux-x64-web/node_modules/vsda/rust/crypt.js

@@ -0,0 +1,58 @@
+const fs = require('fs');
+const crypto = require('crypto');
+
+const key = [
+  "*",
+  "* Visual Studio Code Server",
+  "*",
+  "* By using the software, you agree to",
+  "* the Visual Studio Code Server License Terms (https://aka.ms/vscode-server-license) and",
+  "* the Microsoft Privacy Statement (https://privacy.microsoft.com/en-US/privacystatement).",
+  "*"
+].join('\n');
+
+const keyBytes = new TextEncoder().encode(key);
+const keySize = 32;
+const ivSize = 16;
+const step = keySize + ivSize;
+
+/**
+ * @param {BufferSource} contents
+ * @returns Promise<ArrayBuffer>
+ */
+exports.encrypt = async (contents) => {
+  for (let i = Math.floor(keyBytes.length / step - 1) * step; i >= 0; i -= step) {
+    const key = await crypto.subtle.importKey('raw', keyBytes.slice(i + ivSize, i + ivSize + keySize), { name: 'AES-CBC' }, false, ['encrypt']);
+    contents = await crypto.subtle.encrypt({ name: 'AES-CBC', iv: keyBytes.slice(i, i + ivSize) }, key, contents);
+  }
+
+  return contents;
+};
+
+/**
+ * @param {BufferSource} contents
+ * @returns Promise<ArrayBuffer>
+ */
+exports.decrypt = async (contents) => {
+  for (let i = 0;  i + step < keyBytes.length; i += step) {
+    const key = await crypto.subtle.importKey('raw', keyBytes.slice(i + ivSize, i + ivSize + keySize), { name: 'AES-CBC' }, false, ['decrypt']);
+    contents = await crypto.subtle.decrypt({ name: 'AES-CBC', iv: keyBytes.slice(i, i + ivSize) }, key, contents);
+  }
+
+  return contents;
+};
+
+if (require.main === module) {
+  (async () => {
+    const [a0, a1, operation, file] = process.argv;
+
+    if (file && operation === 'encrypt') {
+      fs.writeFileSync(file, Buffer.from(await exports.encrypt(fs.readFileSync(file))));
+    } else if (file && operation === 'decrypt') {
+      fs.writeFileSync(file, Buffer.from(await exports.decrypt(fs.readFileSync(file))));
+    } else {
+      console.error(`Usage: ${a0} ${a1} <encrypt|decrypt> <file>`);
+      process.exit(1);
+    }
+  })();
+}