Class: HashblueController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/hashblue_controller.rb

Overview

O2 Labs has exposed the power of #blue to developers via a simple REST & JSON based API, enabling new ways for users to manage their texts and add combine the ubiquity of SMS with their applications, users simply grant an application access to their messages stream or just certain messages.

Juan de Bravo ([email protected]) Ruby sensei at The Lab (thelab.o2.com)

Constant Summary collapse

DEFAULT_PARAMS =

parameters required in both OAuth steps

{
  :client_id => Rails.application.config.hashblue.client_id    
}

Instance Method Summary collapse

Instance Method Details

#code ⇒ Object

OAuth step2: retrieve the code from HashBlue, ask for a valid access token and forward to the user defined uri



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'app/controllers/hashblue_controller.rb', line 34

def code
  # This code is retrieved from HashBlue
  code = params[:code]

  hb_params = {
    :redirect_uri => redirect_uri,
    :client_secret => Rails.application.config.hashblue.client_secret,
    :grant_type => "authorization_code",
    :code => code
  }
  hb_params.merge!(DEFAULT_PARAMS)

  response = rest.post( "/oauth/access_token?".concat(hb_params.collect { |k, v| "#{k}=#{v.to_s}" }.join("&")), nil)
  
  if response.code.eql?("200")
    response = ActiveSupport::JSON.decode(response.body)

    if response.has_key?("access_token")
      Rails.application.config.hashblue.forward_action.nil? and raise RuntimeError, "Invalid forward_action value"
      
      url = Rails.application.config.hashblue.forward_action.split("#")
      url.length == 2 or raise RuntimeError, "Invalid forward_action value"
      redirect_to ({
        :controller => url.first,
        :action => url.last,
        :access_token => response["access_token"],
        :expires_in => response["expires_in"],
        :refresh_token => response["refresh_token"]
        })
    elsif response.has_key?("error")
      logger.error "Error while accessing to HashBlue #{response['error']}"
      raise RuntimeError, response['error']
    end
  else
    logger.error "Error #{response.code} while accessing to HashBlue #{response.body}"
    raise RuntimeError, "Unable to access to hashblue"
  end
end

#endpoint ⇒ Object

HashBlue endpoint



82
83
84
 
# File 'app/controllers/hashblue_controller.rb', line 82

def endpoint
  Rails.application.config.hashblue.uri
end

#index ⇒ Object

OAuth step1: redirect to HashBlue endpoint with the application idenfitifer and the redirect uri



23
24
25
26
27
28
29
30
 
# File 'app/controllers/hashblue_controller.rb', line 23

def index
  hb_params = {
    :redirect_uri => redirect_uri
  }
  hb_params.merge!(DEFAULT_PARAMS)
  
  redirect_to "#{endpoint}/oauth/authorize?".concat(hb_params.collect { |k, v| "#{k}=#{v.to_s}" }.join("&"))
end

#redirect_uri ⇒ Object 



86
87
88
 
# File 'app/controllers/hashblue_controller.rb', line 86

def redirect_uri
  "#{request.protocol}#{request.host_with_port}/hashblue/code"
end

#rest ⇒ Object

rest client to HashBlue endpoint



74
75
76
77
78
79
 
# File 'app/controllers/hashblue_controller.rb', line 74

def rest
  @@rest ||= (uri = URI.parse(endpoint)
  rest = Net::HTTP.new(uri.host, uri.port)
  rest.use_ssl = true
  rest)
end