c2patool-npm/install.js

NPM wrapper for c2patool executable

#!/usr/bin/env node

const fs = require('fs');
const path = require('path');
const os = require('os');
const { spawnSync } = require('child_process');

// Determine the platform and architecture
const platform = os.platform();
const arch = os.arch();

// Map platform and architecture to the correct binary path
function getBinaryInfo() {
  let binaryName = 'c2patool';
  
  // Add .exe extension for Windows
  if (platform === 'win32') {
    binaryName += '.exe';
  }
  
  // Map architecture
  let archName;
  if (arch === 'x64') {
    archName = 'x64';
  } else if (arch === 'arm64') {
    archName = 'arm64';
  } else {
    throw new Error(`Unsupported architecture: ${arch}`);
  }
  
  // Map platform
  let platformName;
  if (platform === 'darwin') {
    platformName = 'darwin';
  } else if (platform === 'linux') {
    platformName = 'linux';
  } else if (platform === 'win32') {
    platformName = 'win32';
  } else {
    throw new Error(`Unsupported platform: ${platform}`);
  }
  
  return {
    binaryName,
    platformName,
    archName,
    vendorPath: path.join(__dirname, 'vendor', `${platformName}-${archName}`, binaryName)
  };
}

// Make the binary executable (not needed on Windows)
function ensureExecutable(binaryPath) {
  if (platform !== 'win32') {
    try {
      fs.chmodSync(binaryPath, 0o755);
      console.log(`Made binary executable: ${binaryPath}`);
    } catch (err) {
      console.error(`Failed to make binary executable: ${err.message}`);
    }
  }
}

// Check if the binary exists and is executable
function checkBinary() {
  try {
    const { vendorPath } = getBinaryInfo();
    
    if (!fs.existsSync(vendorPath)) {
      console.error(`Binary not found at ${vendorPath}`);
      console.error('Please make sure to place the appropriate c2patool binary in the vendor directory.');
      process.exit(1);
    }
    
    ensureExecutable(vendorPath);
    console.log('c2patool binary is ready to use.');
  } catch (err) {
    console.error(`Error during installation: ${err.message}`);
    process.exit(1);
  }
}

// Run the installation check
checkBinary();