jellyfin-kodi/jellyfin_kodi/jellyfin/http.py

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# -*- coding: utf-8 -*-
#################################################################################################
import json
import logging
import time
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import requests
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from exceptions import HTTPException
#################################################################################################
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LOG = logging.getLogger('Jellyfin.' + __name__)
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#################################################################################################
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class HTTP(object):
session = None
keep_alive = False
def __init__(self, client):
self.client = client
self.config = client.config
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def start_session(self):
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self.session = requests.Session()
max_retries = self.config.data['http.max_retries']
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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):
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if self.session is None:
return
try:
LOG.info("--<[ session/%s ]", id(self.session))
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self.session.close()
except Exception as error:
LOG.warning("The requests session could not be terminated: %s", error)
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def _replace_user_info(self, string):
if '{server}' in string:
if self.config.data['auth.server']:
string = string.decode('utf-8').replace("{server}", self.config.data['auth.server'])
else:
raise Exception("Server address not set.")
if '{UserId}'in string:
if self.config.data['auth.user_id']:
string = string.decode('utf-8').replace("{UserId}", self.config.data['auth.user_id'])
else:
raise Exception("UserId is not set.")
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return string
def request(self, data, session=None):
''' Give a chance to retry the connection. Jellyfin sometimes can be slow to answer back
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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)
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LOG.debug("--->[ http ] %s", json.dumps(data, indent=4))
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retry = data.pop('retry', 5)
while True:
try:
r = self._requests(session or self.session or requests, data.pop('type', "GET"), **data)
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r.content # release the connection
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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']})
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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']})
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raise HTTPException("AccessRestricted", error)
else:
self.client.callback("Unauthorized", {'ServerId': self.config.data['auth.server-id']})
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self.client.auth.revoke_token()
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raise HTTPException("Unauthorized", error)
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elif r.status_code == 500: # log and ignore.
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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:
raise HTTPException("MissingSchema", {'Id': self.config.data['auth.server']})
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except Exception as error:
raise
else:
try:
self.config.data['server-time'] = r.headers['Date']
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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/emby/%s" % (self.config.data['auth.server'], data.pop('handler', ""))
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self._get_header(data)
data['timeout'] = data.get('timeout') or self.config.data['http.timeout']
data['verify'] = data.get('verify') or self.config.data['auth.ssl'] or False
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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['app.name'], self.config.data['app.version'])
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})
if 'x-emby-authorization' not in data['headers']:
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self._authorization(data)
return data
def _authorization(self, data):
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auth = "MediaBrowser "
auth += "Client=%s, " % self.config.data['app.name'].encode('utf-8')
auth += "Device=%s, " % self.config.data['app.device_name'].encode('utf-8')
auth += "DeviceId=%s, " % self.config.data['app.device_id'].encode('utf-8')
auth += "Version=%s" % self.config.data['app.version'].encode('utf-8')
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data['headers'].update({'x-emby-authorization': auth})
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if self.config.data.get('auth.token') and self.config.data.get('auth.user_id'):
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auth += ', UserId=%s' % self.config.data['auth.user_id'].encode('utf-8')
data['headers'].update({'x-emby-authorization': auth, 'X-MediaBrowser-Token': self.config.data['auth.token'].encode('utf-8')})
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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)