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shithouse_tv.py
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shithouse_tv.py
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#!/usr/bin/env python3
# GREAT DANE ON THE BEAT
import json
import os
import subprocess
import sys
import threading
from ctypes import (CDLL, POINTER, Structure, byref, c_char, c_char_p, c_int64,
c_size_t, c_void_p)
from bottle import HTTPResponse, error, get, post, request, run
TMPFILE_LOC = "/tmp/"
SRV_DIR = "./"
LUA_ENTRYPOINT = f"{SRV_DIR}src/shithouse_tv.lua"
debug = True
reloader = False
class ShithouseRequest(Structure):
_fields_ = [
("verb", c_char_p),
("path", c_char_p),
("host", c_char_p),
("post_data_json", c_char_p),
]
class ShithouseResponse(Structure):
_fields_ = [
("status_code", c_int64),
("body_len", c_size_t),
("body", c_void_p),
("ctype_len", c_size_t),
("ctype", c_char_p),
]
class ShithouseApp(Structure):
pass
libshithouse = CDLL("libshithouse.so")
libshithouse.sh_process_request.restype = POINTER(ShithouseResponse)
libshithouse.sh_free_response.argtypes = [POINTER(ShithouseResponse)]
libshithouse.sh_app.restype = POINTER(ShithouseApp)
libshithouse.sh_app.argtypes = [c_char_p]
_sh_app = None
def get_sh_app():
global _sh_app
if not _sh_app:
_sh_app = libshithouse.sh_app(LUA_ENTRYPOINT.encode())
if not _sh_app:
print("Could not init app.")
sys.exit(1)
return _sh_app
libshithouse_lock = threading.Lock()
def bottle_request_2_lua(req, post_data_json: str) -> ShithouseRequest:
return ShithouseRequest(
req.method.encode(),
req.path.encode(),
req.urlparts.netloc.split(":")[0].encode(),
post_data_json,
)
def good_old_500():
output = (
f"<!DOCTYPE html><html><body><p>Fat error with Lua somewhere</p></body></html>"
)
resp = HTTPResponse(body=output, status=500)
return resp
@error(404)
def catchall_route(error):
json_val = None
if request.POST:
json_val = {k: v for k, v in request.forms.items()}
for k in ("image", "music"):
fil = request.files.get(k)
if fil:
json_val[k] = TMPFILE_LOC + fil.filename
fil.save(TMPFILE_LOC, overwrite=True)
s_req = bottle_request_2_lua(request, json.dumps(json_val).encode())
resp = None
with libshithouse_lock:
sh_app = get_sh_app()
s_resp = libshithouse.sh_process_request(sh_app, byref(s_req))
unwrapped = s_resp.contents
buf = (c_char * unwrapped.body_len).from_address(s_resp.contents.body)
new_barray = bytes(bytearray(buf))
headers = {"Content-Length": unwrapped.body_len}
resp = HTTPResponse(
body=new_barray,
status=unwrapped.status_code,
content_type=unwrapped.ctype,
headers=headers,
)
libshithouse.sh_free_response(s_resp)
if not resp.body:
return good_old_500()
if request.get_header("host", "").startswith("api."):
resp.content_type = "application/json"
resp.headers["Access-Control-Allow-Origin"] = "*"
resp.headers["Access-Control-Allow-Methods"] = "GET, OPTIONS"
resp.headers[
"Access-Control-Allow-Headers"
] = "Origin, Accept, Content-Type, X-Requested-With, X-CSRF-Token"
return resp
def main():
print(f"Moving to {SRV_DIR}")
os.chdir(SRV_DIR)
print("New vars are:\n - SRV_DIR: {}\n - LUA_ENTRYPOINT: {}".format(SRV_DIR, LUA_ENTRYPOINT))
run(server="paste", host="localhost", debug=debug, port=8090, reloader=reloader)
if __name__ == "__main__":
for i, arg in enumerate(sys.argv):
if arg in ("-s", "--serve-dir"):
print(f"SETTINGS SRV_DIR TO {sys.argv[i+1]}")
SRV_DIR = sys.argv[i + 1]
LUA_ENTRYPOINT = os.path.join(f"{SRV_DIR}", "src/shithouse_tv.lua")
elif arg in ("-d", "--debug"):
debug = True
elif arg in ("-r", "--reloader"):
reloader = True
main()