Class: Cpaas::Api

Inherits:
Object
  • Object
show all
Includes:
HTTParty
Defined in:
lib/cpaas-sdk/api.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Api

Returns a new instance of Api.



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# File 'lib/cpaas-sdk/api.rb', line 14

def initialize(config)
  @config = config
  @id_token_parsed = nil
  @access_token = nil
  @user_id = nil
  @client_correlator = "#{config.client_id}-ruby"

  self.class.base_uri config.base_url

  auth_token
end

Instance Attribute Details

#client_correlator ⇒ Object

Returns the value of attribute client_correlator.



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# File 'lib/cpaas-sdk/api.rb', line 12

def client_correlator
  @client_correlator
end

#user_id ⇒ Object

Returns the value of attribute user_id.



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# File 'lib/cpaas-sdk/api.rb', line 12

def user_id
  @user_id
end

Instance Method Details

#auth_headers ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 74

def auth_headers
  {
    'Authorization' => "Bearer #{auth_token}"
  }
end

#auth_token ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 80

def auth_token
  set_tokens(get_auth_token) if token_expired

  @access_token
end

#get_auth_token ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 86

def get_auth_token
  options = {
    body: {
      client_id: @config.client_id,
      scope: 'openid'
    },
    headers: {
      'Content-Type' => 'application/x-www-form-urlencoded'
    }
  }

  if !@config.client_secret.nil?
    credentials = {
      grant_type: 'client_credentials',
      client_secret: @config.client_secret
    }
  else
    credentials = {
      grant_type: 'password',
      username: @config.email,
      password: @config.password
    }
  end

  options[:body].merge!(credentials)

  response = send_request('/cpaas/auth/v1/token', options, :post , false)

  process_response(response, false)
end

#handle_response(response) ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 48

def handle_response(response)
  @parsed_response = begin
    res = convert_hash_keys(response.parsed_response)

    if response.code >= 400 && !res.nil?
      compose_error_from(res)
    else
      res || { status_code: response.code, response: response }
    end
  rescue JSON::ParserError => e
    response.success? ? { message: response.body } : { error: response.body }
  end
end

#headers(request_headers = {}, with_token = false) ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 62

def headers(request_headers = {}, with_token = false)
  base_headers = {
    'X-Cpaas-Agent' => "ruby-sdk/#{Cpaas::VERSION}",
    'Content-Type' => 'application/json',
    'Accept' => '*/*',
  }.merge(request_headers)

  return base_headers.merge(auth_headers) if with_token

  base_headers
end

#recursive_compact(hash_or_array) ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 141

def recursive_compact(hash_or_array)
  p = proc do |*args|
    v = args.last
    v.delete_if(&p) if v.respond_to? :delete_if
    v.nil? || v.respond_to?(:"empty?") && v.empty?
  end

  hash_or_array.delete_if(&p)
end

#send_request(url, options = {}, verb = :get, with_token = true) ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 26

def send_request(url, options = {}, verb = :get, with_token = true)
  body = recursive_compact(options[:body]) if options[:body]
  options[:headers] = headers(options[:headers] || {}, with_token)
  options[:body] = body.to_json if options[:headers]['Content-Type'] == 'application/json'
  options[:query] = options[:query] if options.has_key? :query

  case verb
  when :get
    response = self.class.get(url, options)
  when :post
    response = self.class.post(url, options)
  when :put
    response = self.class.put(url, options)
  when :delete
    response = self.class.delete(url, options)
  else
    raise 'Invalid Verb'
  end

  handle_response(response)
end

#set_tokens(tokens) ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 126

def set_tokens(tokens)
  if tokens[:access_token].nil?
    @access_token = nil
    @id_token = nil
    @id_token_parsed = nil
    @user_id = nil
  else
    @access_token = tokens[:access_token]
    @id_token = tokens[:id_token]
    @id_token_parsed = JWT.decode(tokens[:id_token], nil, false).first
    @token_parsed = JWT.decode(tokens[:access_token], nil, false).first
    @user_id = @id_token_parsed['preferred_username']
  end
end

#token_expired ⇒ Object 



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# File 'lib/cpaas-sdk/api.rb', line 117

def token_expired
  return true if @access_token.nil?

  min_buffer = (@token_parsed['exp'] - @token_parsed['iat']) / 2
  expires_in = @token_parsed['exp'] - Time.now.to_i - min_buffer

  expires_in < 0
end