Module: Imobile::AppStoreReceiptValidation

Defined in:
lib/imobile/validate_receipt.rb

Overview

Implementation details for validate_receipt.

Class Method Summary collapse

Class Method Details

.issue_request(http_request, store_uri) ⇒ Object

Issues a HTTP request to Apple’s receipt validating server.



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# File 'lib/imobile/validate_receipt.rb', line 61

def self.issue_request(http_request, store_uri)
  http = Net::HTTP.new store_uri.host, store_uri.port
  http.use_ssl = (store_uri.scheme == 'https')
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  http.request http_request
end

.nice_receipt(json_receipt) ⇒ Object

Turns JSON receipt information into a nice Ruby-like receipt.

String keys are mapped to Ruby symbols (e.g. ‘purchase-date’ becomes :purchase_date) and date strings are parsed to Ruby dates.



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# File 'lib/imobile/validate_receipt.rb', line 72

def self.nice_receipt(json_receipt)
  nice = Hash[*json_receipt.map { |key, value|
    [key.gsub('-', '_').to_sym, value]
  }.flatten]
  
  [:purchase_date, :original_purchase_date].each do |key|
    nice[key] = DateTime.parse(nice[key]) if nice[key]
  end
  nice[:quantity] = nice[:quantity].to_i if nice[:quantity]
  
  nice
end

.process_response(http_response) ⇒ Object

Processes a HTTP response into a receipt.



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# File 'lib/imobile/validate_receipt.rb', line 86

def self.process_response(http_response)
  unless http_response.kind_of? Net::HTTPSuccess
    raise "Internal error in Apple's Web service -- #{http_response.inspect}"
  end
  
  response = JSON.parse http_response.body
  return false unless response['status'] == 0
  nice_receipt response['receipt']
end

.request(receipt_blob, store_uri) ⇒ Object

A Net:HTTP request for validating a receipt.



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# File 'lib/imobile/validate_receipt.rb', line 53

def self.request(receipt_blob, store_uri)
  request = Net::HTTP::Post.new store_uri.path
  request.set_content_type 'application/json'
  request.body = {'receipt-data' => Base64.encode64(receipt_blob) }.to_json
  request
end

.store_uri(server_type) ⇒ Object

An URI object pointing to the App Store receipt validating server.

The server type is production or sandbox (strings and symbols work).



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# File 'lib/imobile/validate_receipt.rb', line 43

def self.store_uri(server_type)
  uri_string = {
    :production => "https://buy.itunes.apple.com/verifyReceipt",
    :sandbox => "https://sandbox.itunes.apple.com/verifyReceipt" 
  }[server_type.to_sym]
  
  uri_string and URI.parse(uri_string)
end

.validate_receipt(receipt_blob, server_type = :production) ⇒ Object

Real implementation of Imobile.validate_receipt



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# File 'lib/imobile/validate_receipt.rb', line 97

def self.validate_receipt(receipt_blob, server_type = :production)
  uri = store_uri server_type
  
  process_response issue_request(request(receipt_blob, uri), uri)     
end