artemis/titles/diva/index.py

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from twisted.web.http import Request
import yaml
import logging, coloredlogs
from logging.handlers import TimedRotatingFileHandler
import zlib
import json
import urllib.parse
import base64
from os import path
from typing import Tuple
from core.config import CoreConfig
from titles.diva.config import DivaConfig
from titles.diva.const import DivaConstants
from titles.diva.base import DivaBase
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class DivaServlet:
def __init__(self, core_cfg: CoreConfig, cfg_dir: str) -> None:
self.core_cfg = core_cfg
self.game_cfg = DivaConfig()
if path.exists(f"{cfg_dir}/{DivaConstants.CONFIG_NAME}"):
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self.game_cfg.update(
yaml.safe_load(open(f"{cfg_dir}/{DivaConstants.CONFIG_NAME}"))
)
self.base = DivaBase(core_cfg, self.game_cfg)
self.logger = logging.getLogger("diva")
log_fmt_str = "[%(asctime)s] Diva | %(levelname)s | %(message)s"
log_fmt = logging.Formatter(log_fmt_str)
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fileHandler = TimedRotatingFileHandler(
"{0}/{1}.log".format(self.core_cfg.server.log_dir, "diva"),
encoding="utf8",
when="d",
backupCount=10,
)
fileHandler.setFormatter(log_fmt)
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consoleHandler = logging.StreamHandler()
consoleHandler.setFormatter(log_fmt)
self.logger.addHandler(fileHandler)
self.logger.addHandler(consoleHandler)
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self.logger.setLevel(self.game_cfg.server.loglevel)
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coloredlogs.install(
level=self.game_cfg.server.loglevel, logger=self.logger, fmt=log_fmt_str
)
@classmethod
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def get_allnet_info(
cls, game_code: str, core_cfg: CoreConfig, cfg_dir: str
) -> Tuple[bool, str, str]:
game_cfg = DivaConfig()
if path.exists(f"{cfg_dir}/{DivaConstants.CONFIG_NAME}"):
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game_cfg.update(
yaml.safe_load(open(f"{cfg_dir}/{DivaConstants.CONFIG_NAME}"))
)
if not game_cfg.server.enable:
return (False, "", "")
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if core_cfg.server.is_develop:
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return (
True,
f"http://{core_cfg.title.hostname}:{core_cfg.title.port}/{game_code}/$v/",
"",
)
return (True, f"http://{core_cfg.title.hostname}/{game_code}/$v/", "")
def render_POST(self, req: Request, version: int, url_path: str) -> bytes:
req_raw = req.content.getvalue()
url_header = req.getAllHeaders()
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# Ping Dispatch
if "THIS_STRING_SEPARATES" in str(url_header):
binary_request = req_raw.splitlines()
binary_cmd_decoded = binary_request[3].decode("utf-8")
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binary_array = binary_cmd_decoded.split("&")
bin_req_data = {}
for kvp in binary_array:
split_bin = kvp.split("=")
bin_req_data[split_bin[0]] = split_bin[1]
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self.logger.info(f"Binary {bin_req_data['cmd']} Request")
self.logger.debug(bin_req_data)
handler = getattr(self.base, f"handle_{bin_req_data['cmd']}_request")
resp = handler(bin_req_data)
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self.logger.debug(
f"Response cmd={bin_req_data['cmd']}&req_id={bin_req_data['req_id']}&stat=ok{resp}"
)
return f"cmd={bin_req_data['cmd']}&req_id={bin_req_data['req_id']}&stat=ok{resp}".encode(
"utf-8"
)
# Main Dispatch
json_string = json.dumps(
req_raw.decode("utf-8")
) # Take the response and decode as UTF-8 and dump
b64string = json_string.replace(
r"\n", "\n"
) # Remove all \n and separate them as new lines
gz_string = base64.b64decode(b64string) # Decompressing the base64 string
try:
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url_data = zlib.decompress(gz_string).decode(
"utf-8"
) # Decompressing the gzip
except zlib.error as e:
self.logger.error(f"Failed to defalte! {e} -> {gz_string}")
return "stat=0"
req_kvp = urllib.parse.unquote(url_data)
req_data = {}
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# We then need to split each parts with & so we can reuse them to fill out the requests
splitted_request = str.split(req_kvp, "&")
for kvp in splitted_request:
split = kvp.split("=")
req_data[split[0]] = split[1]
self.logger.info(f"{req_data['cmd']} Request")
self.logger.debug(req_data)
func_to_find = f"handle_{req_data['cmd']}_request"
# Load the requests
try:
handler = getattr(self.base, func_to_find)
resp = handler(req_data)
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except AttributeError as e:
self.logger.warning(f"Unhandled {req_data['cmd']} request {e}")
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return f"cmd={req_data['cmd']}&req_id={req_data['req_id']}&stat=ok".encode(
"utf-8"
)
except Exception as e:
self.logger.error(f"Error handling method {func_to_find} {e}")
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return f"cmd={req_data['cmd']}&req_id={req_data['req_id']}&stat=ok".encode(
"utf-8"
)
req.responseHeaders.addRawHeader(b"content-type", b"text/plain")
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self.logger.debug(
f"Response cmd={req_data['cmd']}&req_id={req_data['req_id']}&stat=ok{resp}"
)
return (
f"cmd={req_data['cmd']}&req_id={req_data['req_id']}&stat=ok{resp}".encode(
"utf-8"
)
)