Files
rekushi d82cb81ca7 feat(server): use configurable startup settings
Load the listen address and port from settings, print connection guidance and explain startup failures.
2026-10-29 04:35:30 +00:00

117 lines
3.9 KiB
Python

#!/usr/bin/env python3
from __future__ import annotations
import os
import sys
import time
import socket
from server_config import load_config
DOCS_ARGUMENT = "docs:enabled"
def docs_enabled_from_args():
return DOCS_ARGUMENT in sys.argv[1:]
def _force_project_working_directory():
os.chdir(os.path.dirname(os.path.abspath(__file__)))
def _import_twisted():
try:
from twisted.internet import reactor
from twisted.web import server
except ImportError as exc:
raise SystemExit("Twisted is required. Install dependencies with: python3 -m pip install -r requirements.txt") from exc
return reactor, server
class Log:
def __init__(self):
os.makedirs("logs", exist_ok=True)
self.handle = open("logs/reximemo.log", "a", encoding="utf-8")
def write(self, text, silent=False):
line = "[%s] %s" % (time.strftime("%H:%M:%S"), str(text).rstrip())
if not silent:
print(line)
self.handle.write(line + "\n")
self.handle.flush()
def close(self):
self.handle.close()
def create_site(*, docs_enabled=False):
_force_project_working_directory()
reactor, twisted_server = _import_twisted()
import DB # initializes SQLite
import hatena
log = Log()
hatena.ServerLog = log
class ProxyCompatibleSite(twisted_server.Site):
def buildProtocol(self, addr):
protocol = super().buildProtocol(addr)
original = protocol.dataReceived
def data_received(data):
for host in (b"flipnote.hatena.com", b"ugomemo.hatena.ne.jp"):
data = data.replace(b"GET http://" + host, b"GET ")
data = data.replace(b"POST http://" + host, b"POST ")
return original(data)
protocol.dataReceived = data_received
return protocol
return reactor, ProxyCompatibleSite(hatena.Setup(docs_enabled=docs_enabled)), log
def main():
settings = load_config()
try:
port = int(os.environ.get("REXIMEMO_PORT", settings["port"]))
if not 1024 <= port <= 65535:
raise ValueError
except ValueError as exc:
raise SystemExit("Choose a port between 1024 and 65535 in server-settings.json or REXIMEMO_PORT.") from exc
host = os.environ.get("REXIMEMO_HOST", settings["host"])
docs_enabled = docs_enabled_from_args()
reactor, site, log = create_site(docs_enabled=docs_enabled)
log.write("%s starting on %s:%d" % (settings["site_name"], host, port))
log.write("Web client: http://127.0.0.1:%d/" % port)
try:
addresses = sorted({address[4][0] for address in socket.getaddrinfo(socket.gethostname(), None, socket.AF_INET)
if not address[4][0].startswith("127.")})
except OSError:
addresses = []
if host in {"0.0.0.0", "::"}:
for address in addresses:
log.write("DSi HTTP proxy: %s, port %d" % (address, port))
elif host not in {"127.0.0.1", "::1", "localhost"}:
log.write("DSi HTTP proxy: %s, port %d" % (host, port))
else:
log.write("Listening on this computer only. For a DSi on your network, choose listen address 0.0.0.0 during setup.")
if not settings["setup_complete"]:
log.write("First-run setup is available: python manage.py setup")
log.write("DSi mode uses the historical HTTP proxy path; NAS/DNS/auth services are not included.")
if docs_enabled:
log.write("Built-in documentation enabled at /docs")
from twisted.internet.error import CannotListenError
try:
reactor.listenTCP(port, site, interface=host)
except CannotListenError as exc:
log.close()
raise SystemExit(f"Could not listen on {host}:{port}. Another server may already use that port. Stop it or choose another port with: python manage.py setup") from exc
try:
reactor.run()
finally:
log.write("Server shutdown", True)
log.close()
if __name__ == "__main__":
main()