Class: Fling::CLI

Inherits:
Thor
  • Object
show all
Defined in:
lib/fling/cli.rb

Overview

The Fling Command Line Interface

Instance Method Summary collapse

Instance Method Details

#config(file_or_uri) ⇒ Object 



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# File 'lib/fling/cli.rb', line 40

def config(file_or_uri)
  require "fling/install"

  if file_or_uri[%r{\Ahttps://}]
    uri = URI(file_or_uri)
    ciphertext = Net::HTTP.get(uri)
  elsif file_or_uri[%r{\Ahttp://}] # ಠ_ಠ
    say "Friends don't let friends use http://"
    exit 1
  else # Perhaps it's a file?
    unless File.exist?(file_or_uri)
      say "No such file: #{file_or_uri}"
      exit 1
    end

    ciphertext = File.read(file_or_uri)
  end

  say "Loaded #{file_or_uri}"
  password = ask "Please enter the password to decrypt the config:", echo: false
  say # newline

  begin
    config = Config.decrypt(password, ciphertext)
  rescue Fling::ConfigError => ex
    say "Error: Couldn't decrypt config: #{ex}"
    exit 1
  end

  base_dir   = File.expand_path("~")
  config_dir = File.join(base_dir, ".tahoe")
  if File.exist?(config_dir)
    say "Error: #{config_dir} already exists"
    exit 1
  end

  config.render(config_dir)

  File.open(File.join(base_dir, ".fling.yml"), "w", 0600) do |file|
    file << YAML.dump(salt: config.salt)
  end

  say "Created #{config_dir}!"
  say "Start Tahoe by running 'tahoe start'"
end

#install ⇒ Object 



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# File 'lib/fling/cli.rb', line 11

def install
  require "fling/install"
  Install.run
  say "Now run 'fling config [file or url]' to configure Tahoe-LAFS"
end

#provision(config_file) ⇒ Object 



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# File 'lib/fling/cli.rb', line 18

def provision(config_file)
  say "Provisioning #{config_file}"

  introducer = ask "What is your introducer FURL? (e.g. pb://...)"
  dropcap    = ask "What is your 'dropcap'? (e.g. URI:DIR2:...)"
  password   = ask "Please enter a password to encrypt the config:", echo: false

  say "\nGenerating encrypted config, please wait..."

  config = Config.encrypt(
    password,
    "introducer"  => introducer,
    "dropcap"     => dropcap,
    "convergence" => Encoding.encode(RbNaCl::Random.random_bytes(32)),
    "salt"        => Encoding.encode(RbNaCl::Random.random_bytes(32))
  )

  File.open(config_file, "w") { |file| file << config }
  say "Created #{config_file}"
end