jellyfin-kodi/jellyfin_kodi/jellyfin/http.py

282 lines
8.9 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import division, absolute_import, print_function, unicode_literals
#################################################################################################
import time
import requests
from ..helper.utils import JsonDebugPrinter
from ..helper import LazyLogger
from ..helper.exceptions import HTTPException
from .utils import clean_none_dict_values
#################################################################################################
LOG = LazyLogger(__name__)
#################################################################################################
class HTTP(object):
session = None
keep_alive = False
def __init__(self, client):
self.client = client
self.config = client.config
def start_session(self):
self.session = requests.Session()
max_retries = self.config.data["http.max_retries"]
self.session.mount(
"http://", requests.adapters.HTTPAdapter(max_retries=max_retries)
)
self.session.mount(
"https://", requests.adapters.HTTPAdapter(max_retries=max_retries)
)
def stop_session(self):
if self.session is None:
return
try:
LOG.info("--<[ session/%s ]", id(self.session))
self.session.close()
except Exception as error:
LOG.warning("The requests session could not be terminated: %s", error)
def _replace_user_info(self, string):
if "{server}" in string:
if self.config.data.get("auth.server", None):
string = string.replace("{server}", self.config.data["auth.server"])
else:
LOG.debug("Server address not set")
if "{UserId}" in string:
if self.config.data.get("auth.user_id", None):
string = string.replace("{UserId}", self.config.data["auth.user_id"])
else:
LOG.debug("UserId is not set.")
return string
def request(self, data, session=None):
"""Give a chance to retry the connection. Jellyfin sometimes can be slow to answer back
data dictionary can contain:
type: GET, POST, etc.
url: (optional)
handler: not considered when url is provided (optional)
params: request parameters (optional)
json: request body (optional)
headers: (optional),
verify: ssl certificate, True (verify using device built-in library) or False
"""
if not data:
raise AttributeError("Request cannot be empty")
data = self._request(data)
LOG.debug("--->[ http ] %s", JsonDebugPrinter(data))
retry = data.pop("retry", 5)
while True:
try:
r = self._requests(
session or self.session or requests, data.pop("type", "GET"), **data
)
r.content # release the connection
if not self.keep_alive and self.session is not None:
self.stop_session()
r.raise_for_status()
except requests.exceptions.ConnectionError as error:
if retry:
retry -= 1
time.sleep(1)
continue
LOG.error(error)
self.client.callback(
"ServerUnreachable",
{"ServerId": self.config.data["auth.server-id"]},
)
raise HTTPException("ServerUnreachable", error)
except requests.exceptions.ReadTimeout as error:
if retry:
retry -= 1
time.sleep(1)
continue
LOG.error(error)
raise HTTPException("ReadTimeout", error)
except requests.exceptions.HTTPError as error:
LOG.error(error)
if r.status_code == 401:
if "X-Application-Error-Code" in r.headers:
self.client.callback(
"AccessRestricted",
{"ServerId": self.config.data["auth.server-id"]},
)
raise HTTPException("AccessRestricted", error)
else:
self.client.callback(
"Unauthorized",
{"ServerId": self.config.data["auth.server-id"]},
)
self.client.auth.revoke_token()
raise HTTPException("Unauthorized", error)
elif r.status_code == 400:
LOG.warning(error)
LOG.warning(data)
try:
LOG.warning(r.json())
except Exception:
LOG.warning(r.text)
elif r.status_code == 500: # log and ignore.
LOG.error("--[ 500 response ] %s", error)
return
elif r.status_code == 502:
if retry:
retry -= 1
time.sleep(1)
continue
raise HTTPException(r.status_code, error)
except requests.exceptions.MissingSchema as error:
LOG.error("Request missing Schema. " + str(error))
raise HTTPException(
"MissingSchema", {"Id": self.config.data.get("auth.server", "None")}
)
else:
try:
self.config.data["server-time"] = r.headers["Date"]
elapsed = int(r.elapsed.total_seconds() * 1000)
response = r.json()
LOG.debug("---<[ http ][%s ms]", elapsed)
LOG.debug(JsonDebugPrinter(response))
return clean_none_dict_values(response)
except ValueError:
return
except TypeError:
# Empty json
return
def _request(self, data):
if "url" not in data:
data["url"] = "%s/%s" % (
self.config.data.get("auth.server", ""),
data.pop("handler", ""),
)
self._get_header(data)
data["timeout"] = data.get("timeout") or self.config.data["http.timeout"]
data["verify"] = data.get("verify") or self.config.data.get("auth.ssl", False)
data["url"] = self._replace_user_info(data["url"])
self._process_params(data.get("params") or {})
self._process_params(data.get("json") or {})
return data
def _process_params(self, params):
for key in params:
value = params[key]
if isinstance(value, dict):
self._process_params(value)
if isinstance(value, str):
params[key] = self._replace_user_info(value)
def _get_header(self, data):
data["headers"] = data.setdefault("headers", {})
if not data["headers"]:
data["headers"].update(
{
"Content-type": "application/json",
"Accept-Charset": "UTF-8,*",
"Accept-encoding": "gzip",
"User-Agent": self.config.data["http.user_agent"]
or "%s/%s"
% (
self.config.data.get("app.name", "Jellyfin for Kodi"),
self.config.data.get("app.version", "0.0.0"),
),
}
)
if "x-emby-authorization" not in data["headers"]:
self._authorization(data)
return data
def _authorization(self, data):
auth = "MediaBrowser "
auth += "Client=%s, " % self.config.data.get("app.name", "Jellyfin for Kodi")
auth += "Device=%s, " % self.config.data.get(
"app.device_name", "Unknown Device"
)
auth += "DeviceId=%s, " % self.config.data.get(
"app.device_id", "Unknown Device id"
)
auth += "Version=%s" % self.config.data.get("app.version", "0.0.0")
data["headers"].update({"x-emby-authorization": auth})
if self.config.data.get("auth.token") and self.config.data.get("auth.user_id"):
auth += ", UserId=%s" % self.config.data.get("auth.user_id")
data["headers"].update(
{
"x-emby-authorization": auth,
"X-MediaBrowser-Token": self.config.data.get("auth.token"),
}
)
return data
def _requests(self, session, action, **kwargs):
if action == "GET":
return session.get(**kwargs)
elif action == "POST":
return session.post(**kwargs)
elif action == "HEAD":
return session.head(**kwargs)
elif action == "DELETE":
return session.delete(**kwargs)