jellyfin-kodi/resources/lib/downloadutils.py

371 lines
12 KiB
Python

# -*- coding: utf-8 -*-
##################################################################################################
import json
import requests
import logging
import xbmc
import xbmcgui
import clientinfo
from utils import Logging, window, settings
import utils
##################################################################################################
# Disable requests logging
from requests.packages.urllib3.exceptions import InsecureRequestWarning, InsecurePlatformWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
requests.packages.urllib3.disable_warnings(InsecurePlatformWarning)
#logging.getLogger('requests').setLevel(logging.WARNING)
##################################################################################################
class DownloadUtils():
# Borg - multiple instances, shared state
_shared_state = {}
clientInfo = clientinfo.ClientInfo()
addonName = clientInfo.getAddonName()
# Requests session
s = None
timeout = 30
def __init__(self):
global log
log = Logging(self.__class__.__name__).log
self.__dict__ = self._shared_state
def setUsername(self, username):
# Reserved for userclient only
self.username = username
log("Set username: %s" % username, 2)
def setUserId(self, userId):
# Reserved for userclient only
self.userId = userId
log("Set userId: %s" % userId, 2)
def setServer(self, server):
# Reserved for userclient only
self.server = server
log("Set server: %s" % server, 2)
def setToken(self, token):
# Reserved for userclient only
self.token = token
log("Set token: %s" % token, 2)
def setSSL(self, ssl, sslclient):
# Reserved for userclient only
self.sslverify = ssl
self.sslclient = sslclient
log("Verify SSL host certificate: %s" % ssl, 2)
log("SSL client side certificate: %s" % sslclient, 2)
def postCapabilities(self, deviceId):
# Post settings to session
url = "{server}/emby/Sessions/Capabilities/Full?format=json"
data = {
'PlayableMediaTypes': "Audio,Video",
'SupportsMediaControl': True,
'SupportedCommands': (
"MoveUp,MoveDown,MoveLeft,MoveRight,Select,"
"Back,ToggleContextMenu,ToggleFullscreen,ToggleOsdMenu,"
"GoHome,PageUp,NextLetter,GoToSearch,"
"GoToSettings,PageDown,PreviousLetter,TakeScreenshot,"
"VolumeUp,VolumeDown,ToggleMute,SendString,DisplayMessage,"
"SetAudioStreamIndex,SetSubtitleStreamIndex,"
"Mute,Unmute,SetVolume,"
"Play,Playstate,PlayNext"
)
}
log("Capabilities URL: %s" % url, 2)
log("Postdata: %s" % data, 2)
self.downloadUrl(url, postBody=data, action_type="POST")
log("Posted capabilities to %s" % self.server, 2)
# Attempt at getting sessionId
url = "{server}/emby/Sessions?DeviceId=%s&format=json" % deviceId
result = self.downloadUrl(url)
try:
sessionId = result[0]['Id']
except (KeyError, TypeError):
log("Failed to retrieve sessionId.", 1)
else:
log("Session: %s" % result, 2)
log("SessionId: %s" % sessionId, 1)
window('emby_sessionId', value=sessionId)
# Post any permanent additional users
additionalUsers = settings('additionalUsers')
if additionalUsers:
additionalUsers = additionalUsers.split(',')
log("List of permanent users added to the session: %s"
% additionalUsers, 1)
# Get the user list from server to get the userId
url = "{server}/emby/Users?format=json"
result = self.downloadUrl(url)
for additional in additionalUsers:
addUser = additional.decode('utf-8').lower()
# Compare to server users to list of permanent additional users
for user in result:
username = user['Name'].lower()
if username in addUser:
userId = user['Id']
url = (
"{server}/emby/Sessions/%s/Users/%s?format=json"
% (sessionId, userId)
)
self.downloadUrl(url, postBody={}, action_type="POST")
def startSession(self):
self.deviceId = self.clientInfo.getDeviceId()
# User is identified from this point
# Attach authenticated header to the session
verify = False
header = self.getHeader()
# If user enabled host certificate verification
try:
verify = self.sslverify
if self.sslclient is not None:
verify = self.sslclient
except:
log("Could not load SSL settings.", 1)
# Start session
self.s = requests.Session()
self.s.headers = header
self.s.verify = verify
# Retry connections to the server
self.s.mount("http://", requests.adapters.HTTPAdapter(max_retries=1))
self.s.mount("https://", requests.adapters.HTTPAdapter(max_retries=1))
log("Requests session started on: %s" % self.server, 1)
def stopSession(self):
try:
self.s.close()
except:
log("Requests session could not be terminated.", 1)
def getHeader(self, authenticate=True):
deviceName = self.clientInfo.getDeviceName()
deviceName = deviceName.encode('utf-8')
deviceId = self.clientInfo.getDeviceId()
version = self.clientInfo.getVersion()
if not authenticate:
# If user is not authenticated
auth = (
'MediaBrowser Client="Kodi", Device="%s", DeviceId="%s", Version="%s"'
% (deviceName, deviceId, version))
header = {
'Content-type': 'application/json',
'Accept-encoding': 'gzip',
'Accept-Charset': 'UTF-8,*',
'Authorization': auth
}
else:
userId = self.userId
token = self.token
# Attached to the requests session
auth = (
'MediaBrowser UserId="%s", Client="Kodi", Device="%s", DeviceId="%s", Version="%s"'
% (userId, deviceName, deviceId, version))
header = {
'Content-type': 'application/json',
'Accept-encoding': 'gzip',
'Accept-Charset': 'UTF-8,*',
'Authorization': auth,
'X-MediaBrowser-Token': token
}
return header
def downloadUrl(self, url, postBody=None, action_type="GET", parameters=None,
authenticate=True):
log("===== ENTER downloadUrl =====", 2)
session = requests
kwargs = {}
default_link = ""
try:
if authenticate:
if self.s is not None:
session = self.s
else:
# request session does not exists
# Get user information
self.userId = window('emby_currUser')
self.server = window('emby_server%s' % self.userId)
self.token = window('emby_accessToken%s' % self.userId)
verifyssl = False
# IF user enables ssl verification
if settings('sslverify') == "true":
verifyssl = True
if settings('sslcert') != "None":
verifyssl = settings('sslcert')
kwargs.update({
'verify': verifyssl,
'headers': self.getHeader()
})
# Replace for the real values
url = url.replace("{server}", self.server)
url = url.replace("{UserId}", self.userId)
else: # User is not authenticated
# If user enables ssl verification
try:
verifyssl = self.sslverify
if self.sslclient is not None:
verifyssl = self.sslclient
except AttributeError:
verifyssl = False
kwargs.update({
'verify': verifyssl,
'headers': self.getHeader(authenticate=False)
})
##### PREPARE REQUEST #####
kwargs.update({
'url': url,
'timeout': self.timeout,
'json': postBody,
'params': parameters
})
##### THE RESPONSE #####
log(kwargs, 2)
r = self.__requests(action_type, session, **kwargs)
if r.status_code == 204:
# No body in the response
log("====== 204 Success ======", 2)
# Read response to release connection
r.content
elif r.status_code == requests.codes.ok:
try:
# UNICODE - JSON object
r = r.json()
log("====== 200 Success ======", 2)
log("Response: %s" % r, 2)
return r
except:
if r.headers.get('content-type') != "text/html":
log("Unable to convert the response for: %s" % url, 1)
else: # Bad status code
r.raise_for_status()
##### EXCEPTIONS #####
except requests.exceptions.ConnectionError as e:
# Make the addon aware of status
if window('emby_online') != "false":
log("Server unreachable at: %s" % url, 0)
log(e, 2)
window('emby_online', value="false")
except requests.exceptions.ConnectTimeout as e:
log("Server timeout at: %s" % url, 0)
log(e, 1)
except requests.exceptions.HTTPError as e:
if r.status_code == 401:
# Unauthorized
status = window('emby_serverStatus')
if 'X-Application-Error-Code' in r.headers:
# Emby server errors
if r.headers['X-Application-Error-Code'] == "ParentalControl":
# Parental control - access restricted
window('emby_serverStatus', value="restricted")
xbmcgui.Dialog().notification(
heading="Emby server",
message="Access restricted.",
icon=xbmcgui.NOTIFICATION_ERROR,
time=5000)
return False
elif r.headers['X-Application-Error-Code'] == "UnauthorizedAccessException":
# User tried to do something his emby account doesn't allow
pass
elif status not in ("401", "Auth"):
# Tell userclient token has been revoked.
window('emby_serverStatus', value="401")
log("HTTP Error: %s" % e, 0)
xbmcgui.Dialog().notification(
heading="Error connecting",
message="Unauthorized.",
icon=xbmcgui.NOTIFICATION_ERROR)
return 401
elif r.status_code in (301, 302):
# Redirects
pass
elif r.status_code == 400:
# Bad requests
pass
except requests.exceptions.SSLError as e:
log("Invalid SSL certificate for: %s" % url, 0)
log(e, 1)
except requests.exceptions.RequestException as e:
log("Unknown error connecting to: %s" % url, 0)
log(e, 1)
return default_link
@utils.timeIt
def __requests(self, action, session=requests, **kwargs):
if action == "GET":
r = session.get(**kwargs)
elif action == "POST":
r = session.post(**kwargs)
elif action == "DELETE":
r = session.delete(**kwargs)
return r