Class: AceClient::Query3

Inherits:
Base
  • Object
show all
Defined in:
lib/ace-client/query3.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#access_key_id, #endpoint, #http_proxy, #last_response, #last_response_time, #secret_access_key, #use_ssl, #user_agent

Instance Method Summary collapse

Methods inherited from Base

#endpoint_url, #record_response, #set_http_proxy

Constructor Details

#initialize(options = {}) ⇒ Query3

Returns a new instance of Query3.



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# File 'lib/ace-client/query3.rb', line 14

def initialize(options={})
  super(options)
  @signature_method = options[:signature_method] || 'HmacSHA256'
  @authorization_key = options[:authorization_key] || 'authorization'
  @date_key = options[:date_key] || 'x-date'
  @nonce_key = options[:nonce_key] || 'x-amz-nonce'
  @authorization_prefix = options[:authorization_prefix] || 'AWS3-HTTPS'
  @nonce = options[:nonce]

  @sampler = options[:sampler]
  @before_signature = options[:before_signature]
  @before_request = options[:before_request]
end

Instance Attribute Details

#http_method ⇒ Object

Returns the value of attribute http_method.



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# File 'lib/ace-client/query3.rb', line 8

def http_method
  @http_method
end

#sampler ⇒ Object

Returns the value of attribute sampler.



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# File 'lib/ace-client/query3.rb', line 10

def sampler
  @sampler
end

#signature_method ⇒ Object

TODO: HMAC-SHA256 or HMAC-SHA1



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# File 'lib/ace-client/query3.rb', line 9

def signature_method
  @signature_method
end

Instance Method Details

#action(action, params = {}) ⇒ Object 



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# File 'lib/ace-client/query3.rb', line 28

def action(action, params={})
  params.update('Action' => action)
  execute(params)
end

#create_signature ⇒ Object 



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# File 'lib/ace-client/query3.rb', line 72

def create_signature
  digest = OpenSSL::Digest::Digest.new(@signature_method.downcase.gsub(/hmac/, ''))
  Base64.encode64(OpenSSL::HMAC.digest(digest, secret_access_key, string_to_sign)).strip
end

#date ⇒ Object 



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# File 'lib/ace-client/query3.rb', line 81

def date
  @date ||= Time.now.utc.rfc822.gsub(/[\-\+]\d{4}$/, 'GMT')
end

#dryrun(action, params = {}) ⇒ Object 



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# File 'lib/ace-client/query3.rb', line 33

def dryrun(action, params={})
  params.update('Action' => action)
  execute(params, true)
end

#execute(params = {}, dryrun = false) ⇒ Object 



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# File 'lib/ace-client/query3.rb', line 38

def execute(params={}, dryrun=false)
  @params = params
  @params['Version'] = @version if @version

  @before_signature.call(@params) if @before_signature

  signature = create_signature

  options = self.class.default_options.dup
  options[:headers] = {}
  options[:headers]['Date'] = date
  options[:headers][@authorization_key] = "#{@authorization_prefix} #{@access_key_id_key}=#{access_key_id},Algorithm=#{signature_method},Signature=#{signature}"
  options[:headers]['Content-Type'] = 'application/x-www-form-urlencoded;charset=UTF-8'
  options[:headers]['User-Agent'] = @user_agent if @user_agent
  options[:headers][@nonce_key] = @nonce if @nonce

  if http_method == :get
    options[:query] = @params
    http_method_class = Net::HTTP::Get
  elsif http_method == :post
    options[:body] = @params
    http_method_class = Net::HTTP::Post
  end

  @before_request.call(@params) if @before_request

  request = HTTParty::Request.new(http_method_class, endpoint_url + @path, options)
  if dryrun
    request
  else
    record_response { request.perform }
  end
end

#string_to_sign ⇒ Object 



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# File 'lib/ace-client/query3.rb', line 77

def string_to_sign
  @nonce ? date + @nonce : date
end