Class: Blockspring::CLI::Auth

Inherits:
Object
  • Object
show all
Extended by:
Helpers
Defined in:
lib/blockspring/cli/auth.rb

Class Method Summary collapse

Methods included from Helpers

display, error, error_with_failure, error_with_failure=, format_with_bang, home_directory, longest, output_with_bang, running_on_a_mac?, running_on_windows?

Class Method Details

.api_key(login, password) ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 83

def api_key(, password)
  response = RestClient.post "#{base_url}/cli/login", { login: , password: password }, user_agent: Blockspring::CLI.user_agent
  if response.code == 200
    response.to_str
  else
    raise 'login failed'
  end
end

.ask ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 38

def ask
  $stdin.gets.to_s.strip
end

.ask_for_and_save_credentials ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 108

def ask_for_and_save_credentials
  @credentials = ask_for_credentials
  write_credentials
  @credentials
end

.ask_for_credentials ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 71

def ask_for_credentials
  puts "Enter your Blockspring credentials."

  print "Username or email: "
   = ask

  print "Password (typing will be hidden): "
  password = running_on_windows? ? ask_for_password_on_windows : ask_for_password

  [, api_key(, password)]
end

.ask_for_password ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 42

def ask_for_password
  begin
    echo_off
    password = ask
    puts
  ensure
    echo_on
  end
  return password
end

.ask_for_password_on_windows ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 53

def ask_for_password_on_windows
  require "Win32API"
  char = nil
  password = ''

  while char = Win32API.new("crtdll", "_getch", [ ], "L").Call do
    break if char == 10 || char == 13 # received carriage return or newline
    if char == 127 || char == 8 # backspace and delete
      password.slice!(-1, 1)
    else
      # windows might throw a -1 at us so make sure to handle RangeError
      (password << char.chr) rescue RangeError
    end
  end
  puts
  return password
end

.base_url ⇒ Object

TODO: change to https



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# File 'lib/blockspring/cli/auth.rb', line 12

def base_url
  protocol = ENV['BLOCKSPRING_API_PROTOCOL'] || 'https'
  "#{protocol}://#{host}"
end

.delete_credentials ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 96

def delete_credentials
  if netrc
    netrc.delete(host)
    netrc.save
  end
  @credentials = nil
end

.echo_off ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 26

def echo_off
  with_tty do
    system "stty -echo"
  end
end

.echo_on ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 32

def echo_on
  with_tty do
    system "stty echo"
  end
end

.get_credentials ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 104

def get_credentials
  @credentials ||= (read_credentials || ask_for_and_save_credentials)
end

.host ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 7

def host
  ENV['BLOCKSPRING_API_HOST'] || 'api.blockspring.com'
end

.netrc ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 134

def netrc
  @netrc ||= begin
    File.exists?(netrc_path) && Netrc.read(netrc_path)
  rescue => error
    if error.message =~ /^Permission bits for/
      perm = File.stat(netrc_path).mode & 0777
      abort("Permissions #{perm} for '#{netrc_path}' are too open. You should run `chmod 0600 #{netrc_path}` so that your credentials are NOT accessible by others.")
    else
      raise error
    end
  end
end

.netrc_path ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 124

def netrc_path
  default = Netrc.default_path
  encrypted = default + ".gpg"
  if File.exists?(encrypted)
    encrypted
  else
    default
  end
end

.read_credentials ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 147

def read_credentials
  if ENV['BLOCKSPRING_API_KEY']
    ['', ENV['BLOCKSPRING_API_KEY']]
  else
    if netrc
      netrc[host]
    end
  end
end

.reauthorize ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 92

def reauthorize
  @credentials = ask_for_and_save_credentials
end

.with_tty(&block) ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 17

def with_tty(&block)
  return unless $stdin.isatty
  begin
    yield
  rescue
    # fails on windows
  end
end

.write_credentials ⇒ Object 



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# File 'lib/blockspring/cli/auth.rb', line 114

def write_credentials
  FileUtils.mkdir_p(File.dirname(netrc_path))
  FileUtils.touch(netrc_path)
  unless running_on_windows?
    FileUtils.chmod(0600, netrc_path)
  end
  netrc[host] = @credentials
  netrc.save
end