Class: Rhoconnect::Android

Inherits:
Object
  • Object
show all
Defined in:
lib/rhoconnect/ping/android.rb

Defined Under Namespace

Classes: AndroidPingError, InvalidAuthToken

Constant Summary collapse

C2DM_AUTHTOKEN_KEY = 
'app:application:c2dm_auth_token'

Class Method Summary collapse

Class Method Details

.c2d_message(params) ⇒ Object 



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# File 'lib/rhoconnect/ping/android.rb', line 64

def self.c2d_message(params)
  params.reject! {|k,v| v.nil? || v.length == 0}
  data = {}
  data['registration_id'] = params['device_pin']
  data['collapse_key'] = (rand * 100000000).to_i.to_s
  data['data.do_sync'] = params['sources'] ? params['sources'].join(',') : ''
  data['data.alert'] = params['message'] if params['message']
  data['data.vibrate'] = params['vibrate'] if params['vibrate']
  data['data.sound'] = params['sound'] if params['sound']
  data['data.phone_id'] = params['phone_id'] if params['phone_id']
  data
end

.get_c2dm_token ⇒ Object 



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# File 'lib/rhoconnect/ping/android.rb', line 77

def self.get_c2dm_token
  if Store.exists? C2DM_AUTHTOKEN_KEY
    return Store.get_value(C2DM_AUTHTOKEN_KEY)
  end
  
  settings = get_config(Rhoconnect.base_directory)[Rhoconnect.environment]
  data = {}
  data['accountType'] = 'HOSTED_OR_GOOGLE'
  data['Email'] = settings[:c2dm_username]
  data['Passwd'] = settings[:c2dm_passwd]
  data['service'] = 'ac2dm'
  
  urldata = ''
  data.each do |key,value|
    urldata += '&' + key.to_s + '=' + value.to_s
  end
  urldata[0,1] = ''
  
  RestClient.post(
    'https://www.google.com/accounts/ClientLogin', urldata, 
    :content_type => "application/x-www-form-urlencoded"
  ) do |response, request, result, &block|
    # return exceptions based on response code & body
    case response.code
    when 200
      authdata = /.*Auth=(.*)\n.*/.match(response.body)
      Store.put_value(C2DM_AUTHTOKEN_KEY, authdata[1])
      return authdata[1]
    else
      error_code = "Can not obtain auth token from C2DM service. Make sure that your C2DM credentials are valid."
      if response.body =~ /^Error=(.*)$/
        error_code += ': ' + response.body.to_s
      end
      raise InvalidAuthToken.new(error_code)
    end
  end
  nil
end

.ping(params) ⇒ Object 



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# File 'lib/rhoconnect/ping/android.rb', line 10

def self.ping(params)
  already_retried = false
  begin
    settings = get_config(Rhoconnect.base_directory)[Rhoconnect.environment]
    authtoken = settings[:authtoken]
    
    # obtain C2DM auth token
    if not authtoken
      authtoken = get_c2dm_token
      if not already_retried
        authtoken = "BadToken"
      end
    end
          
    send_ping_to_device(authtoken, params)
  rescue InvalidAuthToken => error
    if not already_retried
      Store.flash_data(C2DM_AUTHTOKEN_KEY)
      already_retried = true
      retry
    end
    log error
    log error.backtrace.join("\n")
    raise error
  rescue Exception => error
    log error
    log error.backtrace.join("\n")
    raise error
  end
end

.send_ping_to_device(authtoken, params) ⇒ Object 



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# File 'lib/rhoconnect/ping/android.rb', line 41

def self.send_ping_to_device(authtoken,params)
  RestClient.post(
    'https://android.apis.google.com/c2dm/send', c2d_message(params), 
    :authorization => "GoogleLogin auth=#{authtoken}"
  ) do |response, request, result, &block|
    # return exceptions based on response code & body
    case response.code
    when 200
      if response.body =~ /^Error=(.*)$/
        raise AndroidPingError.new("Android ping error: #{$1 || ''}")
      else
        # store new token in redis for future calls
        if response.headers[:update_client_auth]
          Store.put_value(C2DM_AUTHTOKEN_KEY, response.headers[:update_client_auth])
        end
        response.return!(request, result, &block)
      end
    when 401, 403
      raise InvalidAuthToken.new("Invalid or expired auth token. Obtain new authtoken from C2DM service.")
    end
  end
end