"""
Copyright (C) 2023 Adobe.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
"""
# file: network/server.py
# brief: Web server
# author Adobe - 3D & Immersive
# copyright 2023 Adobe Inc. All rights reserved.
import http.server
import traceback
import threading
import json
from ..utils import SUBSTANCE_Utils
from .client import SRE_Client
from ..common import (
Code_Response,
Code_RequestType,
SERVER_HOST,
SERVER_ALLOW_LIST
)
class SRE_HTTPServer(http.server.HTTPServer):
def run(self):
try:
self.serve_forever()
except KeyboardInterrupt:
pass
finally:
self.server_close()
class SRE_Handler(http.server.BaseHTTPRequestHandler):
def _call_listeners(self, type, data):
if data is not None:
from ..api import SUBSTANCE_Api
SUBSTANCE_Api.listeners_call(type, data)
def _set_response(self, value):
try:
self.send_response(value)
self.send_header("Content-type", "text/html")
self.end_headers()
except Exception:
SUBSTANCE_Utils.log_data("ERROR", "Exception - Http response fail:")
SUBSTANCE_Utils.log_traceback(traceback.format_exc())
def handle(self):
try:
http.server.BaseHTTPRequestHandler.handle(self)
except Exception:
SUBSTANCE_Utils.log_data("ERROR", "Exception - Http handle fail:")
SUBSTANCE_Utils.log_traceback(traceback.format_exc())
def validateRequest(self, headers):
_host = headers.get('Host').split(':')[0]
return _host in SERVER_ALLOW_LIST
def do_HEAD(self, s):
if self.validateRequest(self.headers):
self._set_response(200)
def do_GET(self):
if self.validateRequest(self.headers):
self._call_listeners("get", self.path)
self._set_response(200)
self.wfile.write(bytes("Title goes here.", "utf-8"))
self.wfile.write(bytes("This is a test.
", "utf-8"))
def do_POST(self):
if self.validateRequest(self.headers):
_content_len = int(self.headers.get('Content-Length'))
_data = self.rfile.read(_content_len)
self._set_response(200)
if _data is not None:
_json_data = json.loads(_data)
self._call_listeners("post", _json_data)
def do_PATCH(self):
if self.validateRequest(self.headers):
self._set_response(200)
def log_message(self, format, *args):
# Override this function to prevent log spam
pass
class SRE_Server():
def __init__(self):
self.server = None
self.thread = None
self.host = SERVER_HOST
self.port = None
self.client = SRE_Client()
def is_running(self):
if self.server:
return True
else:
return False
def get_port(self):
return self.port
def start(self):
if self.server is None:
self.server = SRE_HTTPServer((self.host, 0), SRE_Handler)
self.port = self.server.server_port
self.thread = threading.Thread(None, self.server.run)
self.thread.daemon = True
self.thread.start()
return (Code_Response.success, None)
return (Code_Response.server_start_error, None)
def stop(self):
if self.server is not None:
self.server.shutdown()
self.thread.join()
self.server = None
self.thread = None
self.port = None
return (Code_Response.success, None)
return (Code_Response.server_stop_error, None)
def send_message(self, type, endpoint, op, data={}):
if type == Code_RequestType.r_sync:
_result = self.client.sync_request(
endpoint,
op,
data=data)
return _result
elif type == Code_RequestType.r_async:
self.client.async_request(
endpoint,
op,
data=data)
return (Code_Response.success, None)
else:
return (Code_Response.server_request_type_error, None)