PlexKodiConnect/resources/lib/downloadutils.py

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2015-12-25 07:07:00 +11:00
# -*- coding: utf-8 -*-
##################################################################################################
import json
import requests
import logging
import xbmc
import xbmcgui
import utils
import clientinfo
##################################################################################################
# Disable requests logging
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
#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):
self.__dict__ = self._shared_state
def logMsg(self, msg, lvl=1):
className = self.__class__.__name__
utils.logMsg("%s %s" % (self.addonName, className), msg, lvl)
def setUsername(self, username):
# Reserved for userclient only
self.username = username
self.logMsg("Set username: %s" % username, 2)
def setUserId(self, userId):
# Reserved for userclient only
self.userId = userId
self.logMsg("Set userId: %s" % userId, 2)
def setServer(self, server):
# Reserved for userclient only
self.server = server
self.logMsg("Set server: %s" % server, 2)
def setToken(self, token):
# Reserved for userclient only
self.token = token
self.logMsg("Set token: %s" % token, 2)
def setSSL(self, ssl, sslclient):
# Reserved for userclient only
self.sslverify = ssl
self.sslclient = sslclient
self.logMsg("Verify SSL host certificate: %s" % ssl, 2)
self.logMsg("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"
)
}
self.logMsg("Capabilities URL: %s" % url, 2)
self.logMsg("Postdata: %s" % data, 2)
self.downloadUrl(url, postBody=data, type="POST")
self.logMsg("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):
self.logMsg("Failed to retrieve sessionId.", 1)
else:
self.logMsg("Session: %s" % result, 2)
self.logMsg("SessionId: %s" % sessionId, 1)
utils.window('emby_sessionId', value=sessionId)
# Post any permanent additional users
additionalUsers = utils.settings('additionalUsers')
if additionalUsers:
additionalUsers = additionalUsers.split(',')
self.logMsg(
"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={}, type="POST")
def startSession(self):
self.deviceId = self.clientInfo.getDeviceId()
# User is identified from this point
# Attach authenticated header to the session
verify = None
cert = None
header = self.getHeader()
# If user enabled host certificate verification
try:
verify = self.sslverify
cert = self.sslclient
except:
self.logMsg("Could not load SSL settings.", 1)
# Start session
self.s = requests.Session()
self.s.headers = header
self.s.verify = verify
self.s.cert = cert
# 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))
self.logMsg("Requests session started on: %s" % self.server, 1)
def stopSession(self):
try:
self.s.close()
except:
self.logMsg("Requests session could not be terminated.", 1)
def getHeader(self, authenticate=True):
clientInfo = self.clientInfo
deviceName = clientInfo.getDeviceName()
deviceId = clientInfo.getDeviceId()
version = 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
}
self.logMsg("Header: %s" % header, 2)
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
}
self.logMsg("Header: %s" % header, 2)
return header
def downloadUrl(self, url, postBody=None, type="GET", parameters=None, authenticate=True):
self.logMsg("=== ENTER downloadUrl ===", 2)
timeout = self.timeout
default_link = ""
try:
# If user is authenticated
if (authenticate):
# Get requests session
try:
s = self.s
# Replace for the real values
url = url.replace("{server}", self.server)
url = url.replace("{UserId}", self.userId)
# Prepare request
if type == "GET":
r = s.get(url, json=postBody, params=parameters, timeout=timeout)
elif type == "POST":
r = s.post(url, json=postBody, timeout=timeout)
elif type == "DELETE":
r = s.delete(url, json=postBody, timeout=timeout)
except AttributeError:
# request session does not exists
# Get user information
self.userId = utils.window('emby_currUser')
self.server = utils.window('emby_server%s' % self.userId)
self.token = utils.window('emby_accessToken%s' % self.userId)
header = self.getHeader()
verifyssl = False
cert = None
# IF user enables ssl verification
if utils.settings('sslverify') == "true":
verifyssl = True
if utils.settings('sslcert') != "None":
cert = utils.settings('sslcert')
# Replace for the real values
url = url.replace("{server}", self.server)
url = url.replace("{UserId}", self.userId)
# Prepare request
if type == "GET":
r = requests.get(url,
json=postBody,
params=parameters,
headers=header,
timeout=timeout,
cert=cert,
verify=verifyssl)
elif type == "POST":
print url
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r = requests.post(url,
json=postBody,
headers=header,
timeout=timeout,
cert=cert,
verify=verifyssl)
elif type == "DELETE":
r = requests.delete(url,
json=postBody,
headers=header,
timeout=timeout,
cert=cert,
verify=verifyssl)
# If user is not authenticated
elif not authenticate:
header = self.getHeader(authenticate=False)
verifyssl = False
# If user enables ssl verification
try:
verifyssl = self.sslverify
except AttributeError:
pass
# Prepare request
if type == "GET":
r = requests.get(url,
json=postBody,
params=parameters,
headers=header,
timeout=timeout,
verify=verifyssl)
elif type == "POST":
r = requests.post(url,
json=postBody,
headers=header,
timeout=timeout,
verify=verifyssl)
##### THE RESPONSE #####
self.logMsg(r.url, 2)
if r.status_code == 204:
# No body in the response
self.logMsg("====== 204 Success ======", 2)
elif r.status_code == requests.codes.ok:
try:
# UNICODE - JSON object
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r = r.json()
self.logMsg("====== 200 Success ======", 2)
self.logMsg("Response: %s" % r, 2)
return r
except:
if r.headers.get('content-type') != "text/html":
self.logMsg("Unable to convert the response for: %s" % url, 1)
else:
r.raise_for_status()
##### EXCEPTIONS #####
except requests.exceptions.ConnectionError as e:
# Make the addon aware of status
if utils.window('emby_online') != "false":
self.logMsg("Server unreachable at: %s" % url, 0)
self.logMsg(e, 2)
utils.window('emby_online', value="false")
except requests.exceptions.ConnectTimeout as e:
self.logMsg("Server timeout at: %s" % url, 0)
self.logMsg(e, 1)
except requests.exceptions.HTTPError as e:
if r.status_code == 401:
# Unauthorized
status = utils.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
utils.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.
utils.window('emby_serverStatus', value="401")
self.logMsg("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:
self.logMsg("Invalid SSL certificate for: %s" % url, 0)
self.logMsg(e, 1)
except requests.exceptions.RequestException as e:
self.logMsg("Unknown error connecting to: %s" % url, 0)
self.logMsg(e, 1)
return default_link