# = HTTP utilities collection
#
# Some older functionality is removed, use open-uri instead.
#
# code:: tml, drak, ekarak
#
# (c) 2004 Navel, all rights reserved.
# $Id: http.rb 71 2004-10-18 10:50:22Z gmosx $

require "uri"
require "cgi"
require "net/http"

module N

module HTTP
	# HTTP protocol EOL constants

	CR = "\x0d"
	LF = "\x0a"
	CRLF = "\x0d\x0a"
	EOL = CRLF

	# Http protocol status codes maps.

	# constants for readable code

	STATUS_OK = 200
	STATUS_PARTIAL_CONTENT = 206
	STATUS_MOVED = 301
	STATUS_REDIRECT = 302
	STATUS_SEE_OTHER = 303			# gmosx: VERIFY THIS
	STATUS_SEE_OTHER_307 = 307		# gmosx: VERIFY THIS
	STATUS_NOT_MODIFIED = 304
	STATUS_BAD_REQUEST = 400
	STATUS_AUTH_REQUIRED = 401       
	STATUS_FORBIDDEN = 403           
	STATUS_NOT_FOUND = 404           
	STATUS_METHOD_NOT_ALLOWED = 405  
	STATUS_NOT_ACCEPTABLE = 406      
	STATUS_LENGTH_REQUIRED = 411     
	STATUS_PRECONDITION_FAILED = 412 
	STATUS_SERVER_ERROR = 500        
	STATUS_NOT_IMPLEMENTED = 501    
	STATUS_BAD_GATEWAY = 502         
	STATUS_VARIANT_ALSO_VARIES = 506 

	# hash to allow id to description maping.

	STATUS_STRINGS = {
		200 => "OK",
		206 => "Partial Content",
		300 => "Multiple Choices",
		301 => "Moved Permanently",
		302 => "Found",
		303 => "See other",			# gmosx: VERIFY THIS
		304 => "Not Modified",
		307 => "See other 07",		# gmosx: VERIFY THIS
		400 => "Bad Request",
		401 => "Authorization Required",
		403 => "Forbidden",
		404 => "Not Found",
		405 => "Method Not Allowed",
		406 => "Not Acceptable",
		411 => "Length Required",
		412 => "Rrecondition Failed",
		500 => "Internal Server Error",
		501 => "Method Not Implemented",
		502 => "Bad Gateway",
		506 => "Variant Also Negotiates"
	}
end

# = HttpUtils
#
module HttpUtils

	# Converts the given time object to an http time string.
	# Example:
	# Sat, 01 Jan 2000 00:00:00 GMT
	#
	def self.time_to_string(time)
		return CGI::rfc1123_date(time)
	end

	# NOT IMPLEMENTED
	#
	# Converts an http time string to a time object.
	# Example:
	# Sat, 01 Jan 2000 00:00:00 GMT
	#
	def self.string_to_time(string)
		raise "Not implemented"
	end

end	

end # module