Module: EM::FTPD::Authentication

Included in:
Server
Defined in:
lib/em-ftpd/authentication.rb

Instance Method Summary collapse

Instance Method Details

#cmd_pass(param) ⇒ Object

handle the PASS FTP command. This is the second stage of a user logging in



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# File 'lib/em-ftpd/authentication.rb', line 25

def cmd_pass(param)
  send_response "202 User already logged in" and return unless @user.nil?
  send_param_required and return if param.nil?
  send_response "530 password with no username" and return if @requested_user.nil?

  # return an error message if:
  #  - the specified username isn't in our system
  #  - the password is wrong

  @driver.authenticate(@requested_user, param) do |result|
    if result
      @name_prefix = "/"
      @user = @requested_user
      @requested_user = nil
      send_response "230 OK, password correct"
    else
      @user = nil
      send_response "530 incorrect login. not logged in."
    end
  end
end

#cmd_user(param) ⇒ Object

handle the USER FTP command. This is a user attempting to login. we simply store the requested user name as an instance variable and wait for the password to be submitted before doing anything



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# File 'lib/em-ftpd/authentication.rb', line 17

def cmd_user(param)
  send_param_required and return if param.nil?
  send_response("500 Already logged in") and return unless @user.nil?
  @requested_user = param
  send_response "331 OK, password required"
end

#initialize ⇒ Object 



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# File 'lib/em-ftpd/authentication.rb', line 4

def initialize
  @user = nil
  @requested_user = nil
  super
end

#logged_in? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/em-ftpd/authentication.rb', line 10

def logged_in?
  @user.nil? ? false : true
end