gistfile2.txt

Ruby JayCut Class

class JayCutCommandFactory
	  attr_accessor :site_name, :key, :secret, :api_host_base
	 
	  def initialize(site_name, key, secret)
		@site_name = site_name
		@key =  key
		@secret = secret
		@api_host_base = "api.jaycut.com"
	  end
	  
	  def create(method, path)
		JayCutCommand.new(self, method, path)		
	  end
	  
	  
	end
	
	class JayCutCommand
		attr_accessor :factory, :method, :path, :expires
		
		def initialize(factory, method, path)

			raise "Path must begin with slash." if path[0] != 47
			raise "Factory cannot be nil" if factory.nil?
			if (method.upcase != "PUT" and method.upcase != "GET" and  method.upcase != "POST" and method.upcase != "DELETE")
				raise ArgumentError, "Method must be PUT, DELETE, GET or POST", method
			
			@factory = factory
			@method = method.upcase
			@path = path		
			@expires = Time.now.to_i + 3600		
		end
		
		
		def uri
			# Returns the uri for the command
			URI.parse( "http://" + @factory.site_name + "." + @factory.api_host_base + @path )
		end
		
		def uri_with_authentication
			# Returns the uri for the command, including authentication query string
			uri = uri.to_s + "?" + query_string
			method_hack = "&_method=" + @method 
			# some clients (such as flash, and explorer) have an issue with PUT and delete methods. This insures that the right format gets through.
			URI.parse( uri + method_hack )
		end
		
		def uri_with_authentication_and_login
			# Same as uri_with_authentication, but also includes a login parameter, setting a cookie on the client. 
			URI.parse( uri_with_querystring.to_s + "&login=true" )
		end
		
		def query_string				
			"api_key=" + @factory.key  + 
			"&signature=" + generate_signature() + 
			"&expires=" + @expires.to_s								
		end
		
		def run
			req = Net::HTTP::Put.new(uri.path)
			req.body = query_string
			res = Net::HTTP.start(url.host, url.port) { |http|
			  http.request(req)
			}
			res.body
		end	

		  
		def generate_signature() 
			base = @factory.secret + @method + @path + @expires.to_s
			Digest::SHA1.hexdigest base	
		end
	end