Class: Iodine::Http::Http1

Inherits:
Protocol show all
Defined in:
lib/iodine/http/http1.rb

Instance Attribute Summary

Attributes inherited from Protocol

#io

Instance Method Summary collapse

Methods inherited from Protocol

#call, #close, #closed?, each, #id, #initialize, #on_close, #on_shutdown, #ping, #read, #set_timeout, #ssl?, #timeout?, #write

Constructor Details

This class inherits a constructor from Iodine::Protocol

Instance Method Details

#on_message(data) ⇒ Object 



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# File 'lib/iodine/http/http1.rb', line 10

def on_message data
		return if @refuse_requests
		@http2_pri_review ||= ( ::Iodine::Http.http2 && ::Iodine::Http::Http2.pre_handshake(self, data) && (return true) ) || true

		data = ::StringIO.new data
		until data.eof?
			request = (@request ||= ::Iodine::Http::Request.new(self))
			unless request[:method]
				l = data.gets.strip
				if l.bytesize > 16_384
					write "HTTP/1.0 414 Request-URI Too Long\r\ncontent-length: 20\r\n\r\nRequest URI too Long"
					Iodine.warn "Http/1 URI too long, closing connection."
					return close
				end
				next if l.empty?
				request[:method], request[:query], request[:version] = l.split(/[\s]+/, 3)
				return (Iodine.warn('Htt1 Protocol Error, closing connection.') && close) unless request[:method] =~ HTTP_METHODS_REGEXP
				request[:version] = (request[:version] || '1.1'.freeze).match(/[\d\.]+/)[0]
				request[:time_recieved] = Time.now
			end
			until request[:headers_complete] || (l = data.gets).nil?
				if l.include? ':'
					# n = l.slice!(0, l.index(':')); l.slice! 0
					# n.strip! ; n.downcase!; n.freeze
					# request[n] ? (request[n].is_a?(Array) ? (request[n] << l) : request[n] = [request[n], l ]) : (request[n] = l)
					request[:headers_size] ||= 0
					request[:headers_size] += l.bytesize
					l = l.strip.split(/:[\s]?/, 2)
					l[0].strip! ; l[0].downcase!;
					request[l[0]] ? (request[l[0]].is_a?(Array) ? (request[l[0]] << l[1]) : request[l[0]] = [request[l[0]], l[1] ]) : (request[l[0]] = l[1])
				elsif l =~ /^[\r]?\n/
					request[:headers_complete] = true
				else
					#protocol error
					Iodine.warn 'Protocol Error, closing connection.'
					return close
				end
				if request.length > 2096 || request[:headers_size] > 262_144
					write "HTTP/1.0 431 Request Header Fields Too Large\r\ncontent-length: 31\r\n\r\nRequest Header Fields Too Large"
					return (Iodine.warn('Http1 header overloading, closing connection.') && close)
				end
			end
			until request[:body_complete] && request[:headers_complete]
				if request['transfer-coding'.freeze] == 'chunked'.freeze
					# ad mid chunk logic here
					if @parser[:length].to_i == 0
						chunk = data.gets
						return false unless chunk
						@parser[:length] = chunk.to_i(16)
						return (Iodine.warn('Protocol Error, closing connection.') && close) unless @parser[:length]
						request[:body_complete] = true && break if @parser[:length] == 0
						@parser[:act_length] = 0
						request[:body] ||= Tempfile.new('iodine'.freeze, :encoding => 'binary'.freeze)
					end
					chunk = data.read(@parser[:length] - @parser[:act_length])
					return false unless chunk
					request[:body] << chunk
					@parser[:act_length] += chunk.bytesize
					(@parser[:act_length] = @parser[:length] = 0) && (data.gets) if @parser[:act_length] >= @parser[:length]
				elsif request['content-length'.freeze] && request['content-length'.freeze].to_i != 0
					request[:body] ||= Tempfile.new('iodine'.freeze, :encoding => 'binary'.freeze)
					packet = data.read(request['content-length'.freeze].to_i - request[:body].size)
					return false unless packet
					request[:body] << packet
					request[:body_complete] = true if request['content-length'.freeze].to_i - request[:body].size <= 0
				elsif request['content-type'.freeze]
					Iodine.warn 'Body type protocol error.' unless request[:body]
					line = data.gets
					return false unless line
					(request[:body] ||= Tempfile.new('iodine'.freeze, :encoding => 'binary'.freeze) ) << line
					request[:body_complete] = true if line =~ EOHEADERS
				else
					request[:body_complete] = true
				end
			end
			if request[:body] && request[:body].size > ::Iodine::Http.max_http_buffer
				Iodine.warn("Http1 message body too big, closing connection (Iodine::Http.max_http_buffer == #{::Iodine::Http.max_http_buffer} bytes) - #{request[:body].size} bytes.")
				request.delete(:body).tap {|f| f.close unless f.closed? } rescue false
				write "HTTP/1.0 413 Payload Too Large\r\ncontent-length: 17\r\n\r\nPayload Too Large"
				return close
			end
			(@request = ::Iodine::Http::Request.new(self)) && ( (::Iodine::Http.http2 && ::Iodine::Http::Http2.handshake(request, self, data)) || dispatch(request, data) ) if request.delete :body_complete
		end
end

#on_open ⇒ Object 



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# File 'lib/iodine/http/http1.rb', line 4

def on_open
	set_timeout 1
	@refuse_requests = false
	@bytes_sent = 0
	@parser = {}
end

#send_response(response) ⇒ Object 



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# File 'lib/iodine/http/http1.rb', line 95

def send_response response
	return false if response.headers.frozen?

	request = response.request
	headers = response.headers
	body = response.extract_body

	headers['content-length'.freeze] ||= body.to_s.bytesize

	keep_alive = response.keep_alive
	if (request[:version].to_f > 1 && request['connection'.freeze].nil?) || request['connection'.freeze].to_s =~ /ke/i || (headers['connection'.freeze] && headers['connection'.freeze] =~ /^ke/i)
		keep_alive = true
		headers['connection'.freeze] ||= 'keep-alive'.freeze
		headers['keep-alive'.freeze] ||= "timeout=#{(@timeout ||= 3).to_s}"
	else
		headers['connection'.freeze] ||= 'close'.freeze
	end

	send_headers response
	return log_finished(response) if request.head?
	if body
		written = write(body)
		return Iodine.warn "Http/1 couldn't send response because connection was lost." unless written
		response.bytes_written += written
		(body.frozen? || body.clear)
	end
	close unless keep_alive
	log_finished response
end

#stream_response(response, finish = false) ⇒ Object 



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# File 'lib/iodine/http/http1.rb', line 124

def stream_response response, finish = false
	unless response.headers.frozen?
		response['transfer-encoding'.freeze] = 'chunked'
		response.headers['connection'.freeze] = 'close'.freeze
		send_headers response
		@refuse_requests = true
	end
	return if response.request.head?
	body = response.extract_body
	if body
		written = stream_data(body)
		return Iodine.warn "Http/1 couldn't send response because connection was lost." unless written
		response.bytes_written += written
	end
	if finish
		response.bytes_written += stream_data('')
		log_finished response
		close unless response.keep_alive
	end
	(body.frozen? || body.clear) if body
	true
end