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#--depends-on commands
#--depends-on config
#--depends-on permissions
#--require-config tls-api-key
#--require-config tls-api-certificate
import http.server, json, socket, ssl, threading, uuid, urllib.parse
from src import ModuleManager, utils
class Response(object):
def __init__(self, compact=False):
self._compact = compact
self._headers = {}
self._data = b""
self.code = 200
self.content_type = "text/plain"
def write(self, data):
self._data += data
def write_text(self, data):
self._data += data.encode("utf8")
def write_json(self, obj):
if self._compact:
data = json.dumps(obj, separators=(",", ":"))
else:
data = json.dumps(obj, sort_keys=True, indent=4)
self._data += data.encode("utf8")
def set_header(self, key: str, value: str):
self._headers[key] = value
def get_headers(self):
headers = {}
has_content_type = False
for key, value in self._headers.items():
if key.lower() == "content-type":
has_content_type = True
headers[key] = value
if not has_content_type:
headers["Content-Type"] = self.content_type
return headers
def get_data(self):
return self._data
_bot = None
_events = None
_log = None
class Handler(http.server.BaseHTTPRequestHandler):
timeout = 10
def _path_data(self):
path = urllib.parse.urlparse(self.path).path
_, _, endpoint = path[1:].partition("/")
endpoint, _, args = endpoint.partition("/")
args = list(filter(None, args.split("/")))
return path, endpoint, args
def _url_params(self):
parsed = urllib.parse.urlparse(self.path)
query = urllib.parse.parse_qs(parsed.query)
return dict([(k, v[0]) for k, v in query.items()])
def _body(self):
content_length = int(self.headers.get("content-length", 0))
return self.rfile.read(content_length)
def _respond(self, response):
self.send_response(response.code)
for key, value in response.get_headers().items():
self.send_header(key, value)
self.end_headers()
self.wfile.write(response.get_data())
def _key_settings(self, key):
return _bot.get_setting("api-key-%s" % key, {})
def _minify_setting(self):
return _bot.get_setting("rest-api-minify", False)
def url_for(self, headers, route, endpoint, get_params={}):
if "Host" in headers:
host, _, port = headers["Host"].partition(":")
if not port:
port = _bot.config.get("api-port", "5000")
get_params_str = ""
if get_params:
get_params_str = "?%s" % urllib.parse.urlencode(get_params)
return "%s:%s/%s/%s%s" % (host, port, route, endpoint,
get_params_str)
else:
return None
def _url_for(self, headers):
return lambda route, endpoint, get_params={}: self.url_for(
headers, route, endpoint, get_params)
def _handle(self, method, path, endpoint, args):
headers = utils.CaseInsensitiveDict(dict(self.headers.items()))
params = self._url_params()
data = self._body()
response = Response(compact=self._minify_setting())
response.code = 404
hooks = _events.on("api").on(method).on(endpoint).get_hooks()
if hooks:
response.code = 200
hook = hooks[0]
authenticated = hook.get_kwarg("authenticated", True)
key = params.get("key", None)
key_setting = self._key_settings(key)
permissions = key_setting.get("permissions", [])
if key_setting:
_log.debug("[HTTP] %s from API key %s (%s)",
[method, key, key_setting["comment"]])
if not authenticated or path in permissions or "*" in permissions:
if path.startswith("/api/"):
event_response = None
try:
event_response = _events.on("api").on(method).on(
endpoint).call_for_result_unsafe(params=params,
path=args, data=data, headers=headers,
response=response, url_for=self._url_for(headers))
except Exception as e:
_log.error("failed to call API endpoint \"%s\"",
[path], exc_info=True)
response.code = 500
if not event_response == None:
response.write_json(event_response)
response.content_type = "application/json"
else:
response.code = 401
return response
def _handle_wrap(self, method):
path, endpoint, args = self._path_data()
_log.debug("[HTTP] starting _handle for %s from %s:%d: %s",
[method, self.client_address[0], self.client_address[1], path])
response = _bot.trigger(lambda: self._handle(method, path, endpoint,
args))
self._respond(response)
_log.debug("[HTTP] finishing _handle for %s from %s:%d (%d)",
[method, self.client_address[0], self.client_address[1],
response.code])
def do_GET(self):
self._handle_wrap("GET")
def do_POST(self):
self._handle_wrap("POST")
def log_message(self, format, *args):
return
class BitBotIPv6HTTPd(http.server.HTTPServer):
address_family = socket.AF_INET6
@utils.export("botset",
utils.BoolSetting("rest-api", "Enable/disable REST API"))
@utils.export("botset",
utils.BoolSetting("rest-api-minify", "Enable/disable REST API minifying"))
class Module(ModuleManager.BaseModule):
def on_load(self):
global _bot
_bot = self.bot
global _events
_events = self.events
global _log
_log = self.log
self.httpd = None
if self.bot.get_setting("rest-api", False):
port = int(self.bot.config.get("api-port", "5000"))
self.httpd = BitBotIPv6HTTPd(("", port), Handler)
self.httpd.socket = utils.security.ssl_wrap(self.httpd.socket,
cert=self.bot.config["tls-api-certificate"],
key=self.bot.config["tls-api-key"],
server_side=True, verify=False)
self.thread = threading.Thread(target=self.httpd.serve_forever)
self.thread.daemon = True
self.thread.start()
def unload(self):
if self.httpd:
self.httpd.shutdown()
@utils.hook("received.command.apikey", private_only=True, min_args=1)
def api_key(self, event):
"""
:help: Generate a new API key
:usage: <comment> [endpoint [endpoint ...]]
:permission: api-key
:prefix: APIKey
"""
api_key = uuid.uuid4().hex
comment = event["args_split"][0]
self.bot.set_setting("api-key-%s" % api_key, {
"comment": comment,
"permissions": event["args_split"][1:]
})
event["stdout"].write("New API key ('%s'): %s" % (comment, api_key))
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