Module: Robocap::SDK::CLI

Defined in:
lib/robocap/sdk/cli.rb

Constant Summary collapse

USAGE = 
<<~TXT
  Usage: robocap-decryption-sdk <command> [options]

  Commands:
    import-rsa     Import an RSA key pair into the vault
    delete-rsa     Delete one RSA key version from the vault
    decrypt-cenc   Decrypt a CENC MP4 (RSA-OAEP CEK unwrap + ffmpeg)

  Run `robocap-decryption-sdk <command> --help` for command-specific options.
TXT

Class Method Summary collapse

Class Method Details

.cmd_decrypt_cenc(argv) ⇒ Object 



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# File 'lib/robocap/sdk/cli.rb', line 116

def cmd_decrypt_cenc(argv)
  opts = {}
  OptionParser.new do |o|
    o.banner = 'Usage: robocap-decryption-sdk decrypt-cenc [options]'
    o.on('--mp4-path PATH')     { |v| opts[:mp4_path] = Pathname(v) }
    o.on('--private-key PATH')  { |v| opts[:private_key] = Pathname(v) }
    o.on('--output-dir PATH')   { |v| opts[:output_dir] = Pathname(v) }
    o.on('--sdk-root PATH')     { |v| opts[:sdk_root] = Pathname(v) }
    o.on('--ffmpeg PATH')       { |v| opts[:ffmpeg_executable] = v }
    o.on('--ffprobe PATH')      { |v| opts[:ffprobe_executable] = v }
  end.parse!(argv)

  require_opts!(opts, %i[mp4_path private_key output_dir])
  opts[:output_dir].mkpath
  result = Robocap::SDK.decrypt_cenc_mp4(
    mp4_path: opts[:mp4_path],
    user_private_pem: opts[:private_key].binread,
    output_dir: opts[:output_dir],
    sdk_root: opts[:sdk_root],
    ffmpeg_executable: opts[:ffmpeg_executable],
    ffprobe_executable: opts[:ffprobe_executable],
  )
  emit_json(
    status: 'ok',
    output_path: result.output_path.to_s,
    customer_id: result.customer_id,
    rsa_key_version: result.rsa_key_version,
    kid_hex: result.kid_hex,
  )
end

.cmd_delete_rsa(argv) ⇒ Object 



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# File 'lib/robocap/sdk/cli.rb', line 93

def cmd_delete_rsa(argv)
  opts = {}
  OptionParser.new do |o|
    o.banner = 'Usage: robocap-decryption-sdk delete-rsa [options]'
    o.on('--customer-id CID') { |v| opts[:customer_id] = v }
    o.on('--rsa-key-version N', Integer) { |v| opts[:rsa_key_version] = v }
    o.on('--sdk-root PATH')   { |v| opts[:sdk_root] = Pathname(v) }
  end.parse!(argv)

  require_opts!(opts, %i[customer_id rsa_key_version])
  result = Robocap::SDK.delete_rsa_key_version(
    customer_id: opts[:customer_id],
    rsa_key_version: opts[:rsa_key_version],
    sdk_root: opts[:sdk_root],
  )
  emit_json(
    status: 'ok',
    customer_id: result.customer_id,
    rsa_key_version: opts[:rsa_key_version],
    folder_name: result.folder_name,
  )
end

.cmd_import_rsa(argv) ⇒ Object 



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# File 'lib/robocap/sdk/cli.rb', line 55

def cmd_import_rsa(argv)
  opts = {}
  OptionParser.new do |o|
    o.banner = 'Usage: robocap-decryption-sdk import-rsa [options]'
    o.on('--customer-id CID')       { |v| opts[:customer_id] = v }
    o.on('--public-key PATH')       { |v| opts[:public_key] = Pathname(v) }
    o.on('--private-key PATH')      { |v| opts[:private_key] = Pathname(v) }
    o.on('--rsa-key-version N', Integer) { |v| opts[:rsa_key_version] = v }
    o.on('--rsa-bits N',     ['2048', '4096']) { |v| opts[:rsa_bits] = v.to_i }
    o.on('--device-id ID')          { |v| opts[:device_id] = v }
    o.on('--effective-at ISO8601')  { |v| opts[:effective_at] = v }
    o.on('--sdk-root PATH')         { |v| opts[:sdk_root] = Pathname(v) }
  end.parse!(argv)

  require_opts!(opts, %i[customer_id public_key private_key rsa_key_version])
  opts[:rsa_bits] ||= 2048
  eff = opts[:effective_at] ? Time.iso8601(opts[:effective_at]) : Time.now.utc
  meta = RsaKeyMeta.new(
    rsa_key_version: opts[:rsa_key_version],
    effective_at: eff,
    device_id: opts[:device_id] || opts[:customer_id],
    rsa_bits: opts[:rsa_bits],
  )
  result = Robocap::SDK.import_rsa_key_version(
    customer_id: opts[:customer_id],
    public_pem: opts[:public_key].binread,
    private_pem: opts[:private_key].binread,
    meta: meta,
    sdk_root: opts[:sdk_root],
  )
  emit_json(
    status: 'ok',
    customer_id: result.customer_id,
    rsa_key_version: result.rsa_key_version,
    vault_rsa_dir: result.vault_rsa_dir.to_s,
  )
end

.emit_json(data) ⇒ Object 



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# File 'lib/robocap/sdk/cli.rb', line 51

def emit_json(data)
  puts JSON.generate(data)
end

.require_opts!(opts, keys) ⇒ Object

Raises:

  • (OptionParser::ParseError) 


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# File 'lib/robocap/sdk/cli.rb', line 147

def require_opts!(opts, keys)
  missing = keys.reject { |k| opts.key?(k) }
  return if missing.empty?
  raise OptionParser::ParseError, "missing required option(s): #{missing.map { |k| "--#{k.to_s.tr('_', '-')}" }.join(', ')}"
end

.run(argv) ⇒ Object 



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# File 'lib/robocap/sdk/cli.rb', line 25

def run(argv)
  command = argv.shift
  case command
  when 'import-rsa'   then with_error_handling { cmd_import_rsa(argv) }
  when 'delete-rsa'   then with_error_handling { cmd_delete_rsa(argv) }
  when 'decrypt-cenc' then with_error_handling { cmd_decrypt_cenc(argv) }
  when '--help', '-h', nil
    warn(USAGE)
    0
  else
    warn("Unknown command: #{command}\n\n#{USAGE}")
    2
  end
end

.with_error_handling ⇒ Object 



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# File 'lib/robocap/sdk/cli.rb', line 40

def with_error_handling
  yield
  0
rescue Error => exc
  warn(JSON.generate(exc.to_h))
  1
rescue OptionParser::ParseError => exc
  warn(exc.message)
  2
end