Class: Jerakia::Server::Rest

Inherits:
Sinatra::Base
  • Object
show all
Defined in:
lib/jerakia/server/rest.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initializeRest


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# File 'lib/jerakia/server/rest.rb', line 16

def initialize
  @authorized_tokens={}
  super
end

Class Method Details

.jerakiaObject


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# File 'lib/jerakia/server/rest.rb', line 12

def self.jerakia
  Jerakia::Server.jerakia
end

Instance Method Details

#auth_deniedObject


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# File 'lib/jerakia/server/rest.rb', line 25

def auth_denied
  request_failed('unauthorized', 401)
end

#authenticate!Object


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# File 'lib/jerakia/server/rest.rb', line 38

def authenticate!
  token = env['HTTP_X_AUTHENTICATION']
  auth_denied if token.nil?
  return true if token_valid?(token)
  unless Jerakia::Server::Auth.authenticate(token)
    auth_denied
  end
  @authorized_tokens[token] = Time.now
end

#determine_content_type!Object


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# File 'lib/jerakia/server/rest.rb', line 57

def determine_content_type!
  if not env.key?('CONTENT_TYPE') or env['CONTENT_TYPE'] == "application/json"
    content_type 'application/json'
    @content_type = :json
  elsif env['CONTENT_TYPE'] == "application/x-msgpack"
    content_type 'application/x-msgpack'
    @content_type = :msgpack
  else
    wrong_media_type("Content type #{env['CONTENT_TYPE']} not supported", 415)
  end
end

#encode_result(data) ⇒ Object


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# File 'lib/jerakia/server/rest.rb', line 48

def encode_result(data)
  case @content_type
  when :json
    return data.to_json
  when :msgpack
    return data.to_msgpack
  end
end

#jerakiaObject


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# File 'lib/jerakia/server/rest.rb', line 21

def jerakia
  self.class.jerakia
end

#mandatory_params(mandatory, params) ⇒ Object


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# File 'lib/jerakia/server/rest.rb', line 88

def mandatory_params(mandatory, params)
  mandatory.each do |m|
    unless params.include?(m)
      request_failed("Must include parameter #{m} in request", 400)
    end
  end
end

#request_failed(message, status_code = 501) ⇒ Object


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# File 'lib/jerakia/server/rest.rb', line 82

def request_failed(message, status_code=501)
  halt(status_code, 
       encode_result({ :status => 'failed', 
                       :message => message }))
end

#token_ttlObject


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# File 'lib/jerakia/server/rest.rb', line 29

def token_ttl
  Jerakia::Server.config["token_ttl"]
end

#token_valid?(token) ⇒ Boolean


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# File 'lib/jerakia/server/rest.rb', line 33

def token_valid?(token)
  return false unless @authorized_tokens[token].is_a?(Time)
  (Time.now - @authorized_tokens[token]) < token_ttl.to_i
end

#wrong_media_type(message, status_code = 415) ⇒ Object


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# File 'lib/jerakia/server/rest.rb', line 78

def wrong_media_type(message, status_code=415)
  halt(status_code, {'Content-Type' => 'text/plain'}, message)
end