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# -*- coding: utf-8 -*-
#################################################################################################
import json
import logging
import time
import urllib
import requests
from .exceptions import HTTPException
#################################################################################################
LOG = logging.getLogger('Jellyfin.' + __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']
# Configure the session for tls client authentication
if 'auth.tls_client_cert' in self.client.config.data and 'auth.tls_client_key' in self.client.config.data:
self.session.cert = (self.client.config.data['auth.tls_client_cert'],
self.client.config.data['auth.tls_client_key'])
if self.client.config.data['auth.tls_server_ca']:
self.session.verify = self.client.config.data['auth.tls_server_ca']
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.")
if '{DeviceId}'in string:
if self.config.data.get('app.device_id', None):
string = string.replace("{DeviceId}", self.config.data['app.device_id'])
else:
LOG.debug("DeviceId is not set.")
return string
def request_url(self, data):
if not data:
raise AttributeError("Request cannot be empty")
data = self._request(data)
params = data["params"]
if "api_key" not in params:
params["api_key"] = self.config.data.get('auth.token')
encoded_params = urllib.parse.urlencode(data["params"])
return "%s?%s" % (data["url"], encoded_params)
def request(self, data, session=None, dest_file=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", json.dumps(data, indent=4))
retry = data.pop('retry', 5)
stream = dest_file is not None
while True:
try:
r = self._requests(session or self.session or requests, data.pop('type', "GET"), **data, stream=stream)
if stream:
for chunk in r.iter_content(chunk_size=8192):
if chunk: # filter out keep-alive new chunks
dest_file.write(chunk)
else:
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 == 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")})
except Exception:
raise
else:
try:
if stream:
return
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(json.dumps(response, indent=4))
return response
except ValueError:
return
def _request(self, data):
if 'url' not in data:
data['url'] = "%s/%s" % (self.config.data.get("auth.server", ""), data.pop('handler', ""))
data['headers'] = self._get_default_headers()
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_authenication_header(self):
params = {}
if "app.device_name" in self.config.data:
params.update({
"Client": self.config.data['app.name'],
"Device": self.config.data['app.device_name'],
"DeviceId": self.config.data['app.device_id'],
"Version": self.config.data['app.version']
})
if "auth.token" in self.config.data:
params["Token"] = self.config.data['auth.token']
param_line = ", ".join(f'{k}="{v}"' for k, v in params.items())
return f"MediaBrowser {param_line}"
def _get_default_headers(self, content_type="application/json"):
app_name = f"{self.config.data.get('app.name', 'Jellyfin for Kodi')}/{self.config.data.get('app.version', '0.0.0')}"
return {
"Accept": "application/json",
"Content-type": content_type,
"X-Application": app_name,
"Accept-Charset": "UTF-8,*",
"Accept-encoding": "gzip",
"User-Agent": self.config.data['http.user_agent'] or app_name,
"Authorization": self._get_authenication_header()
}
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)
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