162 lines
5.6 KiB
Python
162 lines
5.6 KiB
Python
#--depends-on commands
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#--depends-on config
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#--depends-on permissions
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#--require-config tls-api-key
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#--require-config tls-api-certificate
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import http.server, json, ssl, threading, uuid, urllib.parse
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from src import ModuleManager, utils
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_bot = None
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_events = None
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_log = None
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class Handler(http.server.BaseHTTPRequestHandler):
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timeout = 10
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def _path_data(self):
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path = urllib.parse.urlparse(self.path).path
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_, _, endpoint = path[1:].partition("/")
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endpoint, _, args = endpoint.partition("/")
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args = list(filter(None, args.split("/")))
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return path, endpoint, args
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def _url_params(self):
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parsed = urllib.parse.urlparse(self.path)
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query = urllib.parse.parse_qs(parsed.query)
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return dict([(k, v[0]) for k, v in query.items()])
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def _body(self):
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content_length = int(self.headers.get("content-length", 0))
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return self.rfile.read(content_length)
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def _respond(self, code, headers, data):
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self.send_response(code)
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for key, value in headers.items():
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self.send_header(key, value)
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self.end_headers()
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self.wfile.write(data.encode("utf8"))
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def _get_settings(self, key):
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key_setting = _bot.get_setting("api-key-%s" % key, {})
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minify = _bot.get_setting("rest-api-minify", False)
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return [key_setting, minify]
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def _handle(self, method):
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path, endpoint, args = self._path_data()
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_log.debug("[HTTP] starting _handle for %s from %s:%d: %s",
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[method, self.client_address[0], self.client_address[1], path])
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headers = utils.CaseInsensitiveDict(dict(self.headers.items()))
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params = self._url_params()
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data = self._body()
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response = ""
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code = 404
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content_type = "text/plain"
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hooks = _events.on("api").on(method).on(endpoint).get_hooks()
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if hooks:
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hook = hooks[0]
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authenticated = hook.get_kwarg("authenticated", True)
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key = params.get("key", None)
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key_setting, minify = _bot.trigger(lambda: self._get_settings(key))
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permissions = key_setting.get("permissions", [])
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if key_setting:
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_log.debug("[HTTP] %s from API key %s (%s)",
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[method, key, key_setting["comment"]])
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if not authenticated or path in permissions or "*" in permissions:
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if path.startswith("/api/"):
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event_response = None
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try:
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event_response = _bot.trigger(lambda:
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_events.on("api").on(method).on(
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endpoint).call_unsafe_for_result(params=params,
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path=args, data=data, headers=headers))
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except Exception as e:
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_log.error("failed to call API endpoint \"%s\"",
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[path], exc_info=True)
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code = 500
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if not event_response == None:
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content_type = "application/json"
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if minify:
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response = json.dumps(event_response,
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sort_keys=True, separators=(",", ":"))
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else:
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response = json.dumps(event_response,
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sort_keys=True, indent=4)
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code = 200
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else:
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code = 401
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headers = {
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"Content-type": content_type
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}
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self._respond(code, headers, response)
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_log.debug("[HTTP] finishing _handle for %s from %s:%d (%d)",
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[method, self.client_address[0], self.client_address[1], code])
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def do_GET(self):
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self._handle("GET")
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def do_POST(self):
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self._handle("POST")
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def log_message(self, format, *args):
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return
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@utils.export("botset", {"setting": "rest-api",
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"help": "Enable/disable REST API",
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"validate": utils.bool_or_none, "example": "on"})
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@utils.export("botset", {"setting": "rest-api-minify",
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"help": "Enable/disable REST API minifying",
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"validate": utils.bool_or_none, "example": "on"})
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class Module(ModuleManager.BaseModule):
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def on_load(self):
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global _bot
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_bot = self.bot
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global _events
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_events = self.events
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global _log
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_log = self.log
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self.httpd = None
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if self.bot.get_setting("rest-api", False):
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port = int(self.bot.config.get("api-port", "5000"))
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self.httpd = http.server.HTTPServer(("", port), Handler)
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self.httpd.socket = utils.security.ssl_wrap(self.httpd.socket,
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cert=self.bot.config["tls-api-certificate"],
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key=self.bot.config["tls-api-key"],
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server_side=True, verify=False)
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self.thread = threading.Thread(target=self.httpd.serve_forever)
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self.thread.daemon = True
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self.thread.start()
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def unload(self):
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if self.httpd:
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self.httpd.shutdown()
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@utils.hook("received.command.apikey", private_only=True, min_args=1)
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def api_key(self, event):
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"""
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:help: Generate a new API key
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:usage: <comment> [endpoint [endpoint ...]]
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:permission: api-key
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:prefix: APIKey
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"""
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api_key = uuid.uuid4().hex
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comment = event["args_split"][0]
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self.bot.set_setting("api-key-%s" % api_key, {
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"comment": comment,
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"permissions": event["args_split"][1:]
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})
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event["stdout"].write("New API key ('%s'): %s" % (comment, api_key))
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