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SickGear/lib/apprise/plugins/NotifyTelegram.py
SickGear e56303798c Change bump to major version 3.xx to signal that this branch supports Python3+ only. 
Initial SickGear for Python 3.
2023-02-09 13:41:15 +00:00

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# To use this plugin, you need to first access https://api.telegram.org
# You need to create a bot and acquire it's Token Identifier (bot_token)
#
# Basically you need to create a chat with a user called the 'BotFather'
# and type: /newbot
#
# Then follow through the wizard, it will provide you an api key
# that looks like this:123456789:alphanumeri_characters
#
# For each chat_id a bot joins will have a chat_id associated with it.
# You will need this value as well to send the notification.
#
# Log into the webpage version of the site if you like by accessing:
# https://web.telegram.org
#
# You can't check out to see if your entry is working using:
# https://api.telegram.org/botAPI_KEY/getMe
#
# Pay attention to the word 'bot' that must be present infront of your
# api key that the BotFather gave you.
#
# For example, a url might look like this:
# https://api.telegram.org/bot123456789:alphanumeric_characters/getMe
#
# Development API Reference::
# - https://core.telegram.org/bots/api
import requests
import re
import os
from json import loads
from json import dumps
from .NotifyBase import NotifyBase
from ..common import NotifyType
from ..common import NotifyImageSize
from ..common import NotifyFormat
from ..utils import parse_bool
from ..utils import parse_list
from ..utils import validate_regex
from ..AppriseLocale import gettext_lazy as _
from ..attachment.AttachBase import AttachBase
TELEGRAM_IMAGE_XY = NotifyImageSize.XY_256
# Chat ID is required
# If the Chat ID is positive, then it's addressed to a single person
# If the Chat ID is negative, then it's targeting a group
IS_CHAT_ID_RE = re.compile(
r'^(@*(?P<idno>-?[0-9]{1,32})|(?P<name>[a-z_-][a-z0-9_-]+))$',
re.IGNORECASE,
)
class NotifyTelegram(NotifyBase):
"""
A wrapper for Telegram Notifications
"""
# The default descriptive name associated with the Notification
service_name = 'Telegram'
# The services URL
service_url = 'https://telegram.org/'
icon_path = None
# The default secure protocol
secure_protocol = 'tgram'
# A URL that takes you to the setup/help of the specific protocol
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_telegram'
# Telegram uses the http protocol with JSON requests
notify_url = 'https://api.telegram.org/bot'
# Allows the user to specify the NotifyImageSize object
image_size = NotifyImageSize.XY_256
# The maximum allowable characters allowed in the body per message
body_maxlen = 4096
# Telegram is limited to sending a maximum of 100 requests per second.
request_rate_per_sec = 0.001
# Define object templates
templates = (
'{schema}://{bot_token}',
'{schema}://{bot_token}/{targets}',
)
# Telegram Attachment Support
mime_lookup = (
# This list is intentionally ordered so that it can be scanned
# from top to bottom. The last entry is a catch-all
# Animations are documented to only support gif or H.264/MPEG-4
# Source: https://core.telegram.org/bots/api#sendanimation
{
'regex': re.compile(r'^(image/gif|video/H264)', re.I),
'function_name': 'sendAnimation',
'key': 'animation',
},
# This entry is intentially placed below the sendAnimiation allowing
# it to catch gif files. This then becomes a catch all to remaining
# image types.
# Source: https://core.telegram.org/bots/api#sendphoto
{
'regex': re.compile(r'^image/.*', re.I),
'function_name': 'sendPhoto',
'key': 'photo',
},
# Video is documented to only support .mp4
# Source: https://core.telegram.org/bots/api#sendvideo
{
'regex': re.compile(r'^video/mp4', re.I),
'function_name': 'sendVideo',
'key': 'video',
},
# Voice supports ogg
# Source: https://core.telegram.org/bots/api#sendvoice
{
'regex': re.compile(r'^(application|audio)/ogg', re.I),
'function_name': 'sendVoice',
'key': 'voice',
},
# Audio supports mp3 and m4a only
# Source: https://core.telegram.org/bots/api#sendaudio
{
'regex': re.compile(r'^audio/(mpeg|mp4a-latm)', re.I),
'function_name': 'sendAudio',
'key': 'audio',
},
# Catch All (all other types)
# Source: https://core.telegram.org/bots/api#senddocument
{
'regex': re.compile(r'.*', re.I),
'function_name': 'sendDocument',
'key': 'document',
},
)
# Define our template tokens
template_tokens = dict(NotifyBase.template_tokens, **{
'bot_token': {
'name': _('Bot Token'),
'type': 'string',
'private': True,
'required': True,
# Token required as part of the API request, allow the word 'bot'
# infront of it
'regex': (r'^(bot)?(?P<key>[0-9]+:[a-z0-9_-]+)$', 'i'),
},
'target_user': {
'name': _('Target Chat ID'),
'type': 'string',
'map_to': 'targets',
'regex': (r'^((-?[0-9]{1,32})|([a-z_-][a-z0-9_-]+))$', 'i'),
},
'targets': {
'name': _('Targets'),
'type': 'list:string',
},
})
# Define our template arguments
template_args = dict(NotifyBase.template_args, **{
'image': {
'name': _('Include Image'),
'type': 'bool',
'default': False,
'map_to': 'include_image',
},
'detect': {
'name': _('Detect Bot Owner'),
'type': 'bool',
'default': True,
'map_to': 'detect_owner',
},
'to': {
'alias_of': 'targets',
},
})
def __init__(self, bot_token, targets, detect_owner=True,
include_image=False, **kwargs):
"""
Initialize Telegram Object
"""
super(NotifyTelegram, self).__init__(**kwargs)
self.bot_token = validate_regex(
bot_token, *self.template_tokens['bot_token']['regex'],
fmt='{key}')
if not self.bot_token:
err = 'The Telegram Bot Token specified ({}) is invalid.'.format(
bot_token)
self.logger.warning(err)
raise TypeError(err)
# Parse our list
self.targets = parse_list(targets)
self.detect_owner = detect_owner
if self.user:
# Treat this as a channel too
self.targets.append(self.user)
if len(self.targets) == 0 and self.detect_owner:
_id = self.detect_bot_owner()
if _id:
# Store our id
self.targets.append(str(_id))
if len(self.targets) == 0:
err = 'No chat_id(s) were specified.'
self.logger.warning(err)
raise TypeError(err)
# Track whether or not we want to send an image with our notification
# or not.
self.include_image = include_image
def send_media(self, chat_id, notify_type, attach=None):
"""
Sends a sticker based on the specified notify type
"""
# Prepare our Headers
headers = {
'User-Agent': self.app_id,
}
# Our function name and payload are determined on the path
function_name = 'SendPhoto'
key = 'photo'
if isinstance(attach, AttachBase):
if not attach:
# We could not access the attachment
self.logger.error(
'Could not access attachment {}.'.format(
attach.url(privacy=True)))
return False
self.logger.debug(
'Posting Telegram attachment {}'.format(
attach.url(privacy=True)))
# Store our path to our file
path = attach.path
file_name = attach.name
mimetype = attach.mimetype
# Process our attachment
function_name, key = \
next(((x['function_name'], x['key']) for x in self.mime_lookup
if x['regex'].match(mimetype))) # pragma: no cover
else:
attach = self.image_path(notify_type) if attach is None else attach
if attach is None:
# Nothing specified to send
return True
# Take on specified attachent as path
# hack in self.icon_path to use alt icon as nothing on homepage docs shows how)
path = self.icon_path or attach
file_name = os.path.basename(path)
url = '%s%s/%s' % (
self.notify_url,
self.bot_token,
function_name,
)
# Always call throttle before any remote server i/o is made;
# Telegram throttles to occur before sending the image so that
# content can arrive together.
self.throttle()
try:
with open(path, 'rb') as f:
# Configure file payload (for upload)
files = {key: (file_name, f)}
payload = {'chat_id': chat_id}
self.logger.debug(
'Telegram attachment POST URL: %s (cert_verify=%r)' % (
url, self.verify_certificate))
r = requests.post(
url,
headers=headers,
files=files,
data=payload,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = NotifyTelegram\
.http_response_code_lookup(r.status_code)
self.logger.warning(
'Failed to send Telegram attachment: '
'{}{}error={}.'.format(
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
return False
# Content was sent successfully if we got here
return True
except requests.RequestException as e:
self.logger.warning(
'A connection error occured posting Telegram '
'attachment.')
self.logger.debug('Socket Exception: %s' % str(e))
except (IOError, OSError):
# IOError is present for backwards compatibility with Python
# versions older then 3.3. >= 3.3 throw OSError now.
# Could not open and/or read the file; this is not a problem since
# we scan a lot of default paths.
self.logger.error(
'File can not be opened for read: {}'.format(path))
return False
def detect_bot_owner(self):
"""
Takes a bot and attempts to detect it's chat id from that
"""
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/json',
}
url = '%s%s/%s' % (
self.notify_url,
self.bot_token,
'getUpdates'
)
self.logger.debug(
'Telegram User Detection POST URL: %s (cert_verify=%r)' % (
url, self.verify_certificate))
try:
r = requests.post(
url,
headers=headers,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyTelegram.http_response_code_lookup(r.status_code)
try:
# Try to get the error message if we can:
error_msg = loads(r.content).get('description', 'unknown')
except (AttributeError, TypeError, ValueError):
# ValueError = r.content is Unparsable
# TypeError = r.content is None
# AttributeError = r is None
error_msg = None
if error_msg:
self.logger.warning(
'Failed to detect the Telegram user: (%s) %s.' % (
r.status_code, error_msg))
else:
self.logger.warning(
'Failed to detect the Telegram user: '
'{}{}error={}.'.format(
status_str,
', ' if status_str else '',
r.status_code))
self.logger.debug('Response Details:\r\n{}'.format(r.content))
return 0
# Track our response object
# Load our response and attempt to fetch our userid
response = loads(r.content)
except (AttributeError, TypeError, ValueError):
# Our response was not the JSON type we had expected it to be
# - ValueError = r.content is Unparsable
# - TypeError = r.content is None
# - AttributeError = r is None
self.logger.warning(
'A communication error occured detecting the Telegram User.')
return 0
except requests.RequestException as e:
self.logger.warning(
'A connection error occured detecting the Telegram User.')
self.logger.debug('Socket Exception: %s' % str(e))
return 0
# A Response might look something like this:
# {
# "ok":true,
# "result":[{
# "update_id":645421321,
# "message":{
# "message_id":1,
# "from":{
# "id":532389719,
# "is_bot":false,
# "first_name":"Chris",
# "language_code":"en-US"
# },
# "chat":{
# "id":532389719,
# "first_name":"Chris",
# "type":"private"
# },
# "date":1519694394,
# "text":"/start",
# "entities":[{"offset":0,"length":6,"type":"bot_command"}]}}]
if 'ok' in response and response['ok'] is True \
and 'result' in response and len(response['result']):
entry = response['result'][0]
_id = entry['message']['from'].get('id', 0)
_user = entry['message']['from'].get('first_name')
self.logger.info('Detected telegram user %s (userid=%d)' % (
_user, _id))
# Return our detected userid
return _id
self.logger.warning(
'Failed to detect a Telegram user; '
'try sending your bot a message first.')
return 0
def send(self, body, title='', notify_type=NotifyType.INFO, attach=None,
**kwargs):
"""
Perform Telegram Notification
"""
headers = {
'User-Agent': self.app_id,
'Content-Type': 'application/json',
}
# error tracking (used for function return)
has_error = False
url = '%s%s/%s' % (
self.notify_url,
self.bot_token,
'sendMessage'
)
payload = {}
# Prepare Email Message
if self.notify_format == NotifyFormat.MARKDOWN:
payload['parse_mode'] = 'MARKDOWN'
payload['text'] = '{}{}'.format(
'{}\r\n'.format(title) if title else '',
body,
)
elif self.notify_format == NotifyFormat.HTML:
payload['parse_mode'] = 'HTML'
# HTML Spaces (&nbsp;) and tabs (&emsp;) aren't supported
# See https://core.telegram.org/bots/api#html-style
body = re.sub('&nbsp;?', ' ', body, re.I)
# Tabs become 3 spaces
body = re.sub('&emsp;?', ' ', body, re.I)
if title:
# HTML Spaces (&nbsp;) and tabs (&emsp;) aren't supported
# See https://core.telegram.org/bots/api#html-style
title = re.sub('&nbsp;?', ' ', title, re.I)
# Tabs become 3 spaces
title = re.sub('&emsp;?', ' ', title, re.I)
payload['text'] = '{}{}'.format(
'<b>{}</b>\r\n'.format(title) if title else '',
body,
)
else: # TEXT
payload['parse_mode'] = 'HTML'
# Escape content
title = NotifyTelegram.escape_html(title, whitespace=False)
body = NotifyTelegram.escape_html(body, whitespace=False)
payload['text'] = '{}{}'.format(
'<b>{}</b>\r\n'.format(title) if title else '',
body,
)
# Create a copy of the chat_ids list
targets = list(self.targets)
while len(targets):
chat_id = targets.pop(0)
chat_id = IS_CHAT_ID_RE.match(chat_id)
if not chat_id:
self.logger.warning(
"The specified chat_id '%s' is invalid; skipping." % (
chat_id,
)
)
# Flag our error
has_error = True
continue
if chat_id.group('name') is not None:
# Name
payload['chat_id'] = '@%s' % chat_id.group('name')
else:
# ID
payload['chat_id'] = int(chat_id.group('idno'))
if self.include_image is True:
# Define our path
if not self.send_media(payload['chat_id'], notify_type):
# We failed to send the image associated with our
# notify_type
self.logger.warning(
'Failed to send Telegram type image to {}.',
payload['chat_id'])
# Always call throttle before any remote server i/o is made;
# Telegram throttles to occur before sending the image so that
# content can arrive together.
self.throttle()
self.logger.debug('Telegram POST URL: %s (cert_verify=%r)' % (
url, self.verify_certificate,
))
self.logger.debug('Telegram Payload: %s' % str(payload))
try:
r = requests.post(
url,
data=dumps(payload),
headers=headers,
verify=self.verify_certificate,
)
if r.status_code != requests.codes.ok:
# We had a problem
status_str = \
NotifyTelegram.http_response_code_lookup(r.status_code)
try:
# Try to get the error message if we can:
error_msg = loads(r.content).get(
'description', 'unknown')
except (AttributeError, TypeError, ValueError):
# ValueError = r.content is Unparsable
# TypeError = r.content is None
# AttributeError = r is None
error_msg = None
self.logger.warning(
'Failed to send Telegram notification to {}: '
'{}, error={}.'.format(
payload['chat_id'],
error_msg if error_msg else status_str,
r.status_code))
self.logger.debug(
'Response Details:\r\n{}'.format(r.content))
# Flag our error
has_error = True
continue
except requests.RequestException as e:
self.logger.warning(
'A connection error occured sending Telegram:%s ' % (
payload['chat_id']) + 'notification.'
)
self.logger.debug('Socket Exception: %s' % str(e))
# Flag our error
has_error = True
continue
self.logger.info('Sent Telegram notification.')
if attach:
# Send our attachments now (if specified and if it exists)
for attachment in attach:
if not self.send_media(
payload['chat_id'], notify_type,
attach=attachment):
# We failed; don't continue
has_error = True
break
self.logger.info(
'Sent Telegram attachment: {}.'.format(attachment))
return not has_error
def url(self, privacy=False, *args, **kwargs):
"""
Returns the URL built dynamically based on specified arguments.
"""
# Define any arguments set
args = {
'format': self.notify_format,
'overflow': self.overflow_mode,
'image': self.include_image,
'verify': 'yes' if self.verify_certificate else 'no',
'detect': 'yes' if self.detect_owner else 'no',
}
# No need to check the user token because the user automatically gets
# appended into the list of chat ids
return '{schema}://{bot_token}/{targets}/?{args}'.format(
schema=self.secure_protocol,
bot_token=self.pprint(self.bot_token, privacy, safe=''),
targets='/'.join(
[NotifyTelegram.quote('@{}'.format(x)) for x in self.targets]),
args=NotifyTelegram.urlencode(args))
@staticmethod
def parse_url(url, **kwargs):
"""
Parses the URL and returns enough arguments that can allow
us to substantiate this object.
"""
# This is a dirty hack; but it's the only work around to tgram://
# messages since the bot_token has a colon in it. It invalidates a
# normal URL.
# This hack searches for this bogus URL and corrects it so we can
# properly load it further down. The other alternative is to ask users
# to actually change the colon into a slash (which will work too), but
# it's more likely to cause confusion... So this is the next best thing
# we also check for %3A (incase the URL is encoded) as %3A == :
try:
tgram = re.match(
r'(?P<protocol>{schema}://)(bot)?(?P<prefix>([a-z0-9_-]+)'
r'(:[a-z0-9_-]+)?@)?(?P<btoken_a>[0-9]+)(:|%3A)+'
r'(?P<remaining>.*)$'.format(
schema=NotifyTelegram.secure_protocol), url, re.I)
except (TypeError, AttributeError):
# url is bad; force tgram to be None
tgram = None
if not tgram:
# Content is simply not parseable
return None
if tgram.group('prefix'):
# Try again
results = NotifyBase.parse_url('%s%s%s/%s' % (
tgram.group('protocol'),
tgram.group('prefix'),
tgram.group('btoken_a'),
tgram.group('remaining')))
else:
# Try again
results = NotifyBase.parse_url(
'%s%s/%s' % (
tgram.group('protocol'),
tgram.group('btoken_a'),
tgram.group('remaining'),
),
)
# The first token is stored in the hostname
bot_token_a = NotifyTelegram.unquote(results['host'])
# Get a nice unquoted list of path entries
entries = NotifyTelegram.split_path(results['fullpath'])
# Now fetch the remaining tokens
bot_token_b = entries.pop(0)
bot_token = '%s:%s' % (bot_token_a, bot_token_b)
# Store our chat ids (as these are the remaining entries)
results['targets'] = entries
# Support the 'to' variable so that we can support rooms this way too
# The 'to' makes it easier to use yaml configuration
if 'to' in results['qsd'] and len(results['qsd']['to']):
results['targets'] += \
NotifyTelegram.parse_list(results['qsd']['to'])
# Store our bot token
results['bot_token'] = bot_token
# Include images with our message
results['include_image'] = \
parse_bool(results['qsd'].get('image', False))
# Include images with our message
results['detect_owner'] = \
parse_bool(results['qsd'].get('detect', True))
return results
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