class Pebbles::Auth

Attributes

credentials[RW]

Public Class Methods

api() click to toggle source
# File lib/pebbles/auth.rb, line 13
def api
  @api ||= begin
    debug "Using API with key: #{password[0,6]}..."
    Pebbles::API.new(default_params.merge(:api_key => password))
  end
end
api_key(user=get_credentials[0], password=get_credentials[1]) click to toggle source
# File lib/pebbles/auth.rb, line 66
def api_key(user=get_credentials[0], password=get_credentials[1])
  @api ||= Pebbles::API.new(default_params)
  api_key = @api.post_login(user, password).body["api_key"]
  @api = nil
  api_key
end
ask_for_and_save_credentials() click to toggle source
# File lib/pebbles/auth.rb, line 188
def ask_for_and_save_credentials
  @credentials = ask_for_credentials
  debug "Logged in as #{@credentials[0]} with key: #{@credentials[1][0,6]}..."
  write_credentials
  check
  @credentials
rescue Pebbles::API::Errors::Unauthorized => e
  delete_credentials
  display "Authentication failed."
  warn "WARNING: PEBBLES_API_KEY is set to an invalid key." if ENV['PEBBLES_API_KEY']
  retry if retry_login?
  exit 1
rescue => e
  delete_credentials
  raise e
end
ask_for_credentials() click to toggle source
# File lib/pebbles/auth.rb, line 148
def ask_for_credentials
  puts "Enter your Pebblescape credentials."

  print "Email: "
  user = ask

  print "Password (typing will be hidden): "
  password = running_on_windows? ? ask_for_password_on_windows : ask_for_password
  [user, api_key(user, password)]
end
ask_for_password() click to toggle source
# File lib/pebbles/auth.rb, line 177
def ask_for_password
  begin
    echo_off
    password = ask
    puts
  ensure
    echo_on
  end
  return password
end
ask_for_password_on_windows() click to toggle source
# File lib/pebbles/auth.rb, line 159
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
associate_key(key) click to toggle source
# File lib/pebbles/auth.rb, line 255
def associate_key(key)
  action("Uploading SSH public key #{key}") do
    if File.exists?(key)
      api.post_key(File.read(key))
    else
      error("Could not upload SSH public key: key file '" + key + "' does not exist")
    end
  end
end
associate_or_generate_ssh_key() click to toggle source
# File lib/pebbles/auth.rb, line 205
def associate_or_generate_ssh_key
  unless File.exists?("#{home_directory}/.ssh/id_rsa.pub")
    display "Could not find an existing public key at ~/.ssh/id_rsa.pub"
    display "Would you like to generate one? [Yn] ", false
    unless ask.strip.downcase =~ /^n/
      display "Generating new SSH public key."
      generate_ssh_key("#{home_directory}/.ssh/id_rsa")
      associate_key("#{home_directory}/.ssh/id_rsa.pub")
      return
    end
  end

  chosen = ssh_prompt
  associate_key(chosen) if chosen
end
base_host(host) click to toggle source
# File lib/pebbles/auth.rb, line 271
def base_host(host)
  parts = URI.parse(full_host(host)).host.split(".")
  return parts.first if parts.size == 1
  parts[-2..-1].join(".")
end
check() click to toggle source

just a stub; will raise if not authenticated

# File lib/pebbles/auth.rb, line 30
def check
  api.get_user
end
default_host() click to toggle source
# File lib/pebbles/auth.rb, line 34
def default_host
  "pebblesinspace.com"
end
delete_credentials() click to toggle source
# File lib/pebbles/auth.rb, line 77
def delete_credentials
  return 
  if netrc
    subdomains.each do |sub|
      netrc.delete("#{sub}.#{host}")
    end
    netrc.save
  end
  @api, @credentials = nil, nil
end
echo_off() click to toggle source
# File lib/pebbles/auth.rb, line 136
def echo_off
  with_tty do
    system "stty -echo"
  end
end
echo_on() click to toggle source
# File lib/pebbles/auth.rb, line 142
def echo_on
  with_tty do
    system "stty echo"
  end
end
full_host(host) click to toggle source
# File lib/pebbles/auth.rb, line 277
def full_host(host)
  scheme = debugging? ? 'http' : 'https'
  (host =~ /^http/) ? host : "#{scheme}://api.#{host}"
end
generate_ssh_key(keyfile) click to toggle source
# File lib/pebbles/auth.rb, line 246
def generate_ssh_key(keyfile)
  ssh_dir = File.dirname(keyfile)
  FileUtils.mkdir_p ssh_dir, :mode => 0700
  output = `ssh-keygen -t rsa -N "" -f \"#{keyfile}\" 2>&1`
  if ! $?.success?
    error("Could not generate key: #{output}")
  end
end
git_host() click to toggle source
# File lib/pebbles/auth.rb, line 42
def git_host
  ENV['PEBBLES_GIT_HOST'] || host
end
host() click to toggle source
# File lib/pebbles/auth.rb, line 46
def host
  ENV['PEBBLES_HOST'] || default_host
end
http_git_host() click to toggle source
# File lib/pebbles/auth.rb, line 38
def http_git_host
  ENV['PEBBLES_HTTP_GIT_HOST'] || "git.#{host}"
end
login() click to toggle source
# File lib/pebbles/auth.rb, line 20
def login
  delete_credentials
  get_credentials
end
logout() click to toggle source
# File lib/pebbles/auth.rb, line 25
def logout
  delete_credentials
end
netrc_path() click to toggle source
# File lib/pebbles/auth.rb, line 88
def netrc_path
  default = Netrc.default_path
  encrypted = default + ".gpg"
  if File.exists?(encrypted)
    encrypted
  else
    default
  end
end
read_credentials() click to toggle source
# File lib/pebbles/auth.rb, line 113
def read_credentials
  if ENV['PEBBLES_API_KEY']
    ['', ENV['PEBBLES_API_KEY']]
  else
    # read netrc credentials if they exist
    if netrc
      netrc["api.#{host}"]
    end
  end
end
reauthorize() click to toggle source
# File lib/pebbles/auth.rb, line 54
def reauthorize
  @credentials = ask_for_and_save_credentials
end
retry_login?() click to toggle source
# File lib/pebbles/auth.rb, line 265
def retry_login?
  @login_attempts ||= 0
  @login_attempts += 1
  @login_attempts < 3
end
ssh_prompt() click to toggle source
# File lib/pebbles/auth.rb, line 221
def ssh_prompt
  public_keys = Dir.glob("#{home_directory}/.ssh/*.pub").sort
  case public_keys.length
  when 0
    error("No SSH keys found")
    return nil
  when 1
    display "Found an SSH public key at #{public_keys.first}"
    display "Would you like to upload it to Pebblescape? [Yn] ", false
    return ask.strip.downcase =~ /^n/ ? nil : public_keys.first
  else
    display "Found the following SSH public keys:"
    public_keys.each_with_index do |key, index|
      display "#{index+1}) #{File.basename(key)}"
    end
    display "Which would you like to use with your Pebblescape account? ", false
    choice = ask.to_i - 1
    chosen = public_keys[choice]
    if choice == -1 || chosen.nil?
      error("Invalid choice")
    end
    return chosen
  end
end
subdomains() click to toggle source
# File lib/pebbles/auth.rb, line 50
def subdomains
  %w(api git)
end
verify_host?(host) click to toggle source
# File lib/pebbles/auth.rb, line 282
def verify_host?(host)
  return false if ENV["PEBBLES_SSL_VERIFY"] == "disable"
  base_host(host) == "pebblesinspace.com"
end
write_credentials() click to toggle source
# File lib/pebbles/auth.rb, line 124
def write_credentials
  FileUtils.mkdir_p(File.dirname(netrc_path))
  FileUtils.touch(netrc_path)
  unless running_on_windows?
    FileUtils.chmod(0600, netrc_path)
  end
  subdomains.each do |sub|
    netrc["#{sub}.#{host}"] = self.credentials
  end
  netrc.save
end

Protected Class Methods

default_params() click to toggle source
# File lib/pebbles/auth.rb, line 289
def default_params
  uri = URI.parse(full_host(host))
  params = {
    :headers          => {'User-Agent' => Pebbles.user_agent},
    :host             => uri.host,
    :port             => uri.port.to_s,
    :scheme           => uri.scheme,
    :ssl_verify_peer  => verify_host?(host)
  }

  params
end