http-post.py

import socket
import sys

def sendPost(host, port):
	httpHeader = ''
	httpHeader += 'POST / HTTP/1.1\r\n'
	httpHeader += 'Host: {host}\r\n'.format(host = host)
	httpHeader += 'Connection: keep-alive\r\n'
	httpHeader += 'Content-Type: application/x-www-form-urlencoded\r\n'
	httpHeader += 'User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3223.8 Safari/537.36\r\n'
	httpHeader += 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8\r\n'
	httpHeader += 'Referer: http://{host}/register.ghp\r\n'.format(host = host)
	httpHeader += 'Accept-Encoding: gzip, deflate\r\n'
	httpHeader += 'Accept-Language: en-US,en;q=0.9\r\n\r\n'
	httpHeader += 'postdata=somedata\r\n'

	try:
		s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
		s.connect((host, port))
		s.send(httpHeader)

		data = s.recv(4096)
		print(data)
		s.close()
	except:
		print('Unable to establish connection.')
		sys.exit(-1)

def main():
	host = '127.0.0.1'
	port = 80

	sendPost(host, port)
	sys.exit(0)

if __name__ == '__main__':
	sys.exit(main())