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import gzip
import brotli
from typing import Any
from ssl import SSLSocket
from src.status_code import StatusCode
class Request:
"""
Just a request
"""
def __init__(self):
self.type: str = ""
self.path: str = ""
self.path_args: dict[str, str | None] = dict()
@staticmethod
def create(raw_request: bytes):
"""
Creates self class from raw request
:param raw_request: bytes
:return: self
"""
# new request
request = Request()
# change type and path
request.type = raw_request[:raw_request.find(b' ')].decode("ascii")
raw_path = raw_request[len(request.type)+1:raw_request.find(b' ', len(request.type)+1)].decode("ascii")
# remove path args from path
request.path = raw_path.split("?")[0]
# decode path args
raw_args = raw_path.split("/")[-1].split("?")
raw_args = raw_args[1] if len(raw_args) == 2 else ""
for raw_arg in raw_args.split("&"):
split = raw_arg.split("=")
# if there is a key value pair present
if len(split) == 2:
request.path_args[split[0]] = split[1]
# if there is only a key present (and it's a valid key)
elif len(split) == 1 and split[0] != "":
request.path_args[split[0]] = None
# decode headers
for raw_header in raw_request.split(b'\r\n'):
if len(pair := raw_header.decode("ascii").split(":")) == 2:
key, val = pair
val = val.strip()
# set attribute to key value pair
setattr(request, key, val)
# return request
return request
def __str__(self):
return '\n'.join([f"{key}: {val}" for key, val in self.__dict__.items()])
def send_response(sock: SSLSocket, data: bytes, status: StatusCode, headers: dict[str, Any] = None):
"""
Sends response to client.
Probably ran inside a daemonic thread
:param sock: client's socket
:param data: raw data to send
:param status: status code
:param headers: headers to include
"""
# process header data
if headers is None:
headers = dict()
if headers.get("Content-Encoding") is not None:
if headers["Content-Encoding"] == "br":
data = brotli.compress(data)
elif headers["Content-Encoding"] == "gzip":
data = gzip.compress(data)
if headers.get("Content-Length") is None:
headers["Content-Length"] = len(data)
if headers.get("Connection") is None:
headers["Connection"] = "close"
# generate basic message
message = b'HTTP/1.1 ' + status.__bytes__() + b'\r\n'
for key, value in headers.items():
message += f"{key}: {value}\r\n".encode("ascii")
message += b'\r\n' + data
# send message
sock.sendall(message)
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