def test_authenticator():
transport = TcpTransport('149.154.167.91', 443)
authenticator.do_authentication(transport)
transport.close()
class TelegramClient:
# Current TelegramClient version
__version__ = '0.6'
# region Initialization
def __init__(self, session_user_id, api_id, api_hash):
if api_id is None or api_hash is None:
raise PermissionError('Your API ID or Hash are invalid. Please read "Requirements" on README.md')
self.api_id = api_id
self.api_hash = api_hash
self.session = Session.try_load_or_create_new(session_user_id)
self.transport = TcpTransport(self.session.server_address, self.session.port)
# These will be set later
self.dc_options = None
self.sender = None
self.phone_code_hashes = {}
# We need to be signed in before we can listen for updates
self.signed_in = False
# endregion
# region Connecting
def connect(self, reconnect=False):
"""Connects to the Telegram servers, executing authentication if required.
Note that authenticating to the Telegram servers is not the same as authenticating
the app, which requires to send a code first."""
try:
if not self.session.auth_key or reconnect:
self.session.auth_key, self.session.time_offset = \
authenticator.do_authentication(self.transport)
self.session.save()
self.sender = MtProtoSender(self.transport, self.session)
# Now it's time to send an InitConnectionRequest
# This must always be invoked with the layer we'll be using
query = InitConnectionRequest(api_id=self.api_id,
device_model=platform.node(),
system_version=platform.system(),
app_version=self.__version__,
lang_code='en',
query=GetConfigRequest())
result = self.invoke(InvokeWithLayerRequest(layer=layer, query=query))
# We're only interested in the DC options,
# although many other options are available!
self.dc_options = result.dc_options
# We can now enable these (for such methods such as logout)
self.sender.ack_requests_confirm = True
# We're signed in if we're authorized
self.signed_in = self.is_user_authorized()
return True
except RPCError as error:
print('Could not stabilise initial connection: {}'.format(error))
return False
def reconnect_to_dc(self, dc_id):
"""Reconnects to the specified DC ID. This is automatically called after an InvalidDCError is raised"""
if self.dc_options is None or not self.dc_options:
raise ConnectionError("Can't reconnect. Stabilise an initial connection first.")
dc = next(dc for dc in self.dc_options if dc.id == dc_id)
self.transport.close()
self.transport = TcpTransport(dc.ip_address, dc.port)
self.session.server_address = dc.ip_address
self.session.port = dc.port
self.session.save()
self.connect(reconnect=True)
def disconnect(self):
"""Disconnects from the Telegram server **and pauses all the spawned threads**"""
if self.sender:
self.sender.disconnect()
# endregion
# region Telegram requests functions
def invoke(self, request, timeout=timedelta(seconds=5)):
"""Invokes a MTProtoRequest (sends and receives it) and returns its result.
An optional timeout can be given to cancel the operation after the time delta.
Timeout can be set to None for no timeout"""
if not issubclass(type(request), MTProtoRequest):
raise ValueError('You can only invoke MtProtoRequests')
self.sender.send(request)
self.sender.receive(request, timeout)
return request.result
# region Authorization requests
def is_user_authorized(self):
"""Has the user been authorized yet (code request sent and confirmed)?
Note that this will NOT yield the correct result if the session was revoked by another client!"""
return self.session.user is not None
def send_code_request(self, phone_number):
"""Sends a code request to the specified phone number"""
request = SendCodeRequest(phone_number, self.api_id, self.api_hash)
completed = False
while not completed:
try:
result = self.invoke(request)
self.phone_code_hashes[phone_number] = result.phone_code_hash
completed = True
except InvalidDCError as error:
self.reconnect_to_dc(error.new_dc)
def sign_in(self, phone_number, code):
"""Completes the authorization of a phone number by providing the received code"""
if phone_number not in self.phone_code_hashes:
raise ValueError('Please make sure you have called send_code_request first.')
try:
result = self.invoke(SignInRequest(
phone_number, self.phone_code_hashes[phone_number], code))
except RPCError as error:
if error.message.startswith('PHONE_CODE_'):
print(error)
return False
else:
raise error
# Result is an Auth.Authorization TLObject
self.session.user = result.user
self.session.save()
# Now that we're authorized, set the signed_in flag
# to True so update handlers can be added
self.signed_in = True
return True
def sign_up(self, phone_number, code, first_name, last_name=''):
"""Signs up to Telegram. Make sure you sent a code request first!"""
result = self.invoke(SignUpRequest(phone_number=phone_number,
phone_code_hash=self.phone_code_hashes[phone_number],
phone_code=code,
first_name=first_name,
last_name=last_name))
self.session.user = result.user
self.session.save()
def log_out(self):
"""Logs out and deletes the current session. Returns True if everything went OK"""
try:
self.invoke(LogOutRequest())
if not self.session.delete():
return False
self.session = None
except:
return False
@staticmethod
def list_sessions():
"""Lists all the sessions of the users who have ever connected
using this client and never logged out"""
return [path.splitext(path.basename(f))[0] # splitext = split ext (not spli text!)
for f in listdir('.') if f.endswith('.session')]
# endregion
# region Dialogs ("chats") requests
def get_dialogs(self, count=10, offset_date=None, offset_id=0, offset_peer=InputPeerEmpty()):
"""Returns a tuple of lists ([dialogs], [entities]) with 'count' items each.
The `entity` represents the user, chat or channel corresponding to that dialog"""
r = self.invoke(GetDialogsRequest(offset_date=offset_date,
offset_id=offset_id,
offset_peer=offset_peer,
limit=count))
return (r.dialogs,
[self.find_user_or_chat(d.peer, r.users, r.chats) for d in r.dialogs])
# endregion
# region Message requests
def send_message(self, input_peer, message, markdown=False, no_web_page=False):
"""Sends a message to the given input peer and returns the sent message ID"""
if markdown:
msg, entities = parse_message_entities(message)
else:
msg, entities = message, []
msg_id = utils.generate_random_long()
self.invoke(SendMessageRequest(peer=input_peer,
message=msg,
random_id=msg_id,
entities=entities,
no_webpage=no_web_page))
return msg_id
def get_message_history(self, input_peer, limit=20,
offset_date=None, offset_id=0, max_id=0, min_id=0, add_offset=0):
"""
Gets the message history for the specified InputPeer
:param input_peer: The InputPeer from whom to retrieve the message history
:param limit: Number of messages to be retrieved
:param offset_date: Offset date (messages *previous* to this date will be retrieved)
:param offset_id: Offset message ID (only messages *previous* to the given ID will be retrieved)
:param max_id: All the messages with a higher (newer) ID or equal to this will be excluded
:param min_id: All the messages with a lower (older) ID or equal to this will be excluded
:param add_offset: Additional message offset (all of the specified offsets + this offset = older messages)
:return: A tuple containing total message count and two more lists ([messages], [senders]).
Note that the sender can be null if it was not found!
"""
result = self.invoke(GetHistoryRequest(input_peer,
limit=limit,
offset_date=offset_date,
offset_id=offset_id,
max_id=max_id,
min_id=min_id,
add_offset=add_offset))
# The result may be a messages slice (not all messages were retrieved) or
# simply a messages TLObject. In the later case, no "count" attribute is specified:
# the total messages count is retrieved by counting all the retrieved messages
total_messages = getattr(result, 'count', len(result.messages))
# Iterate over all the messages and find the sender User
users = []
for msg in result.messages:
for usr in result.users:
if msg.from_id == usr.id:
users.append(usr)
break
return total_messages, result.messages, users
def send_read_acknowledge(self, input_peer, messages=None, max_id=None):
"""Sends a "read acknowledge" (i.e., notifying the given peer that we've
read their messages, also known as the "double check ✅✅").
Either a list of messages (or a single message) can be given,
or the maximum message ID (until which message we want to send the read acknowledge).
Returns an AffectedMessages TLObject"""
if max_id is None:
if not messages:
raise InvalidParameterError('Either a message list or a max_id must be provided.')
if isinstance(messages, list):
max_id = max(msg.id for msg in messages)
else:
max_id = messages.id
return self.invoke(ReadHistoryRequest(peer=input_peer, max_id=max_id))
# endregion
# TODO Handle media downloading/uploading in a different session?
# "It is recommended that large queries (upload.getFile, upload.saveFilePart)
# be handled through a separate session and a separate connection"
# region Uploading media requests
def upload_file(self, file_path, part_size_kb=None, file_name=None, progress_callback=None):
"""Uploads the specified file_path and returns a handle which can be later used
:param file_path: The file path of the file that will be uploaded
:param part_size_kb: The part size when uploading the file. None = Automatic
:param file_name: The name of the uploaded file. None = Automatic
:param progress_callback: A callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes)
This is called every time a part is uploaded
"""
file_size = path.getsize(file_path)
if not part_size_kb:
part_size_kb = self.find_appropiate_part_size(file_size)
if part_size_kb > 512:
raise ValueError('The part size must be less or equal to 512KB')
part_size = int(part_size_kb * 1024)
if part_size % 1024 != 0:
raise ValueError('The part size must be evenly divisible by 1024')
# Determine whether the file is too big (over 10MB) or not
# Telegram does make a distinction between smaller or larger files
is_large = file_size > 10 * 1024 * 1024
part_count = (file_size + part_size - 1) // part_size
# Multiply the datetime timestamp by 10^6 to get the ticks
# This is high likely going to be unique
file_id = int(datetime.now().timestamp() * (10 ** 6))
hash_md5 = md5()
with open(file_path, 'rb') as file:
for part_index in range(part_count):
# Read the file by in chunks of size part_size
part = file.read(part_size)
# The SavePartRequest is different depending on whether
# the file is too large or not (over or less than 10MB)
if is_large:
request = SaveBigFilePartRequest(file_id, part_index, part_count, part)
else:
request = SaveFilePartRequest(file_id, part_index, part)
# Invoke the file upload and increment both the part index and MD5 checksum
result = self.invoke(request)
if result:
hash_md5.update(part)
if progress_callback:
progress_callback(file.tell(), file_size)
else:
raise ValueError('Could not upload file part #{}'.format(part_index))
# Set a default file name if None was specified
if not file_name:
file_name = path.basename(file_path)
# After the file has been uploaded, we can return a handle pointing to it
return InputFile(id=file_id,
parts=part_count,
name=file_name,
md5_checksum=hash_md5.hexdigest())
def send_photo_file(self, input_file, input_peer, caption=''):
"""Sends a previously uploaded input_file
(which should be a photo) to an input_peer"""
self.send_media_file(
InputMediaUploadedPhoto(input_file, caption), input_peer)
def send_document_file(self, input_file, input_peer, caption=''):
"""Sends a previously uploaded input_file
(which should be a document) to an input_peer"""
# Determine mime-type and attributes
# Take the first element by using [0] since it returns a tuple
mime_type = guess_type(input_file.name)[0]
attributes = [
DocumentAttributeFilename(input_file.name)
# TODO If the input file is an audio, find out:
# Performer and song title and add DocumentAttributeAudio
]
# Ensure we have a mime type, any; but it cannot be None
# «The "octet-stream" subtype is used to indicate that a body contains arbitrary binary data.»
if not mime_type:
mime_type = 'application/octet-stream'
self.send_media_file(InputMediaUploadedDocument(file=input_file,
mime_type=mime_type,
attributes=attributes,
caption=caption), input_peer)
def send_media_file(self, input_media, input_peer):
"""Sends any input_media (contact, document, photo...) to an input_peer"""
self.invoke(SendMediaRequest(peer=input_peer,
media=input_media,
random_id=utils.generate_random_long()))
# endregion
# region Downloading media requests
def download_profile_photo(self, profile_photo, file_path,
add_extension=True, download_big=True):
"""Downloads the profile photo for an user or a chat (including channels).
Returns False if no photo was providen, or if it was Empty"""
if (not profile_photo or
isinstance(profile_photo, UserProfilePhotoEmpty) or
isinstance(profile_photo, ChatPhotoEmpty)):
return False
# Photos are always compressed into a .jpg by Telegram
if add_extension:
file_path += '.jpg'
if download_big:
photo_location = profile_photo.photo_big
else:
photo_location = profile_photo.photo_small
# Download the media with the largest size input file location
self.download_file_loc(InputFileLocation(volume_id=photo_location.volume_id,
local_id=photo_location.local_id,
secret=photo_location.secret),
file_path)
return True
def download_msg_media(self, message_media, file_path, add_extension=True, progress_callback=None):
"""Downloads the given MessageMedia (Photo, Document or Contact)
into the desired file_path, optionally finding its extension automatically
The progress_callback should be a callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes).
This will be called every time a part is downloaded"""
if type(message_media) == MessageMediaPhoto:
return self.download_photo(message_media, file_path, add_extension, progress_callback)
elif type(message_media) == MessageMediaDocument:
return self.download_document(message_media, file_path, add_extension, progress_callback)
elif type(message_media) == MessageMediaContact:
return self.download_contact(message_media, file_path, add_extension)
def download_photo(self, message_media_photo, file_path, add_extension=False,
progress_callback=None):
"""Downloads MessageMediaPhoto's largest size into the desired
file_path, optionally finding its extension automatically
The progress_callback should be a callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes).
This will be called every time a part is downloaded"""
# Determine the photo and its largest size
photo = message_media_photo.photo
largest_size = photo.sizes[-1]
file_size = largest_size.size
largest_size = largest_size.location
# Photos are always compressed into a .jpg by Telegram
if add_extension:
file_path += '.jpg'
# Download the media with the largest size input file location
self.download_file_loc(InputFileLocation(volume_id=largest_size.volume_id,
local_id=largest_size.local_id,
secret=largest_size.secret),
file_path, file_size, progress_callback)
return file_path
def download_document(self, message_media_document, file_path=None, add_extension=True,
progress_callback=None):
"""Downloads the given MessageMediaDocument into the desired
file_path, optionally finding its extension automatically.
If no file_path is given, it will try to be guessed from the document
The progress_callback should be a callback function which takes two parameters,
uploaded size (in bytes) and total file size (in bytes).
This will be called every time a part is downloaded"""
document = message_media_document.document
file_size = document.size
# If no file path was given, try to guess it from the attributes
if file_path is None:
for attr in document.attributes:
if type(attr) == DocumentAttributeFilename:
file_path = attr.file_name
break # This attribute has higher preference
elif type(attr) == DocumentAttributeAudio:
file_path = '{} - {}'.format(attr.performer, attr.title)
if file_path is None:
print('Could not determine a filename for the document')
# Guess the extension based on the mime_type
if add_extension:
ext = guess_extension(document.mime_type)
if ext is not None:
file_path += ext
self.download_file_loc(InputDocumentFileLocation(id=document.id,
access_hash=document.access_hash,
version=document.version),
file_path, file_size, progress_callback)
return file_path
@staticmethod
def download_contact(message_media_contact, file_path, add_extension=True):
"""Downloads a media contact using the vCard 4.0 format"""
first_name = message_media_contact.first_name
last_name = message_media_contact.last_name
phone_number = message_media_contact.phone_number
# The only way we can save a contact in an understandable
# way by phones is by using the .vCard format
if add_extension:
file_path += '.vcard'
# Ensure that we'll be able to download the contact
utils.ensure_parent_dir_exists(file_path)
with open(file_path, 'w', encoding='utf-8') as file:
file.write('BEGIN:VCARD\n')
file.write('VERSION:4.0\n')
file.write('N:{};{};;;\n'.format(first_name, last_name if last_name else ''))
file.write('FN:{}\n'.format(' '.join((first_name, last_name))))
file.write('TEL;TYPE=cell;VALUE=uri:tel:+{}\n'.format(phone_number))
file.write('END:VCARD\n')
return file_path
def download_file_loc(self, input_location, file_path, part_size_kb=64,
file_size=None, progress_callback=None):
"""Downloads media from the given input_file_location to the specified file_path.
If a progress_callback function is given, it will be called taking two
arguments (downloaded bytes count and total file size)"""
if not part_size_kb:
if not file_size:
raise ValueError('A part size value must be provided')
else:
part_size_kb = self.find_appropiate_part_size(file_size)
part_size = int(part_size_kb * 1024)
if part_size % 1024 != 0:
raise ValueError('The part size must be evenly divisible by 1024')
# Ensure that we'll be able to download the media
utils.ensure_parent_dir_exists(file_path)
# Start with an offset index of 0
offset_index = 0
with open(file_path, 'wb') as file:
while True:
# The current offset equals the offset_index multiplied by the part size
offset = offset_index * part_size
result = self.invoke(GetFileRequest(input_location, offset, part_size))
offset_index += 1
# If we have received no data (0 bytes), the file is over
# So there is nothing left to download and write
if not result.bytes:
return result.type # Return some extra information
file.write(result.bytes)
if progress_callback:
progress_callback(file.tell(), file_size)
# endregion
# endregion
# region Utilities
@staticmethod
def get_display_name(entity):
"""Gets the input peer for the given "entity" (user, chat or channel)
Returns None if it was not found"""
if isinstance(entity, User):
if entity.last_name is not None:
return '{} {}'.format(entity.first_name, entity.last_name)
return entity.first_name
if isinstance(entity, Chat) or isinstance(entity, Channel):
return entity.title
@staticmethod
def get_input_peer(entity):
"""Gets the input peer for the given "entity" (user, chat or channel).
Returns None if it was not found"""
if isinstance(entity, User):
return InputPeerUser(entity.id, entity.access_hash)
if isinstance(entity, Chat):
return InputPeerChat(entity.id)
if isinstance(entity, Channel):
return InputPeerChannel(entity.id, entity.access_hash)
@staticmethod
def find_user_or_chat(peer, users, chats):
"""Finds the corresponding user or chat given a peer.
Returns None if it was not found"""
try:
if isinstance(peer, PeerUser):
user = next(u for u in users if u.id == peer.user_id)
return user
elif isinstance(peer, PeerChat):
chat = next(c for c in chats if c.id == peer.chat_id)
return chat
elif isinstance(peer, PeerChannel):
channel = next(c for c in chats if c.id == peer.channel_id)
return channel
except StopIteration:
return None
@staticmethod
def find_appropiate_part_size(file_size):
if file_size <= 1048576: # 1MB
return 32
if file_size <= 10485760: # 10MB
return 64
if file_size <= 393216000: # 375MB
return 128
if file_size <= 786432000: # 750MB
return 256
if file_size <= 1572864000: # 1500MB
return 512
raise ValueError('File size too large')
# endregion
# region Updates handling
def add_update_handler(self, handler):
"""Adds an update handler (a function which takes a TLObject,
an update, as its parameter) and listens for updates"""
if not self.signed_in:
raise ValueError("You cannot add update handlers until you've signed in.")
self.sender.add_update_handler(handler)
def remove_update_handler(self, handler):
self.sender.remove_update_handler(handler)
class YolkClient:
__version__ = '1.0a'
def __init__(self, session, api_id, api_hash, proxy=None):
if api_id is None or api_hash is None:
raise PermissionError("Your API ID or Hash are invalid.")
self.api_id = api_id
self.api_hash = api_hash
if isinstance(session, str):
self.session = Session.try_load_or_create_new(session)
elif isinstance(session, Session):
self.session = session
else:
raise ValueError(
"The given session must be either a string or a Session instance."
)
self.transport = TcpTransport(self.session.server_address,
self.session.port, proxy)
self.dc_options = None
self.sender = None
self.phone_code_hashes = {}
self.signed_in = False
def connect(self, reconnect=False):
try:
if not self.session.auth_key or (reconnect
and self.sender is not None):
self.session.auth_key, self.session.time_offset = \
authenticator.do_authentication(self.transport)
self.session.save()
self.sender = MtProtoSender(self.transport, self.session)
query = InitConnectionRequest(api_id=self.api_id,
device_model=platform.node(),
system_version=platform.system(),
app_version=self.__version__,
lang_code="en",
query=GetConfigRequest())
result = self.invoke(
InvokeWithLayerRequest(layer=layer, query=query))
self.dc_options = result.dc_options
self.sender.ack_requests_confirm = True
self.signed_in = self.is_user_authorized()
return True
except RPCError as error:
print(f"Could not stabilise initial connection: {error}.")
return False
def reconnect_to_dc(self, dc_id):
if self.dc_options is None or not self.dc_options:
raise ConnectionError(
"Cannot reconnect. Stabilise an initial connection first.")
dc = next(dc for dc in self.dc_options if dc.id == dc_id)
self.transport.close()
self.transport = TcpTransport(dc.ip_address, dc.port)
self.session.server_address = dc.ip_address
self.session.port = dc.port
self.session.save()
self.connect(reconnect=True)
def disconnect(self):
if self.sender:
self.sender.disconnect()
self.sender = None
def invoke(self,
request,
timeout=timedelta(seconds=5),
throw_invalid_dc=False):
if not issubclass(type(request), MTProtoRequest):
raise ValueError("You can only invoke MtProtoRequests")
try:
self.sender.send(request)
self.sender.receive(request, timeout)
return request.result
except InvalidDCError as error:
if throw_invalid_dc:
raise error
self.reconnect_to_dc(error.new_dc)
return self.invoke(request, timeout=timeout, throw_invalid_dc=True)
except RPCError as e:
print(f"RPC error: {e}")
print("Continuing...")
pass
def is_user_authorized(self):
return self.session.user is not None
def send_code_request(self, phone_number):
result = self.invoke(
SendCodeRequest(phone_number, self.api_id, self.api_hash))
self.phone_code_hashes[phone_number] = result.phone_code_hash
def sign_in(self,
phone_number=None,
code=None,
password=None,
bot_token=None):
if phone_number and code:
if phone_number not in self.phone_code_hashes:
raise ValueError(
"Please make sure you have called send_code_request first."
)
try:
result = self.invoke(
SignInRequest(phone_number,
self.phone_code_hashes[phone_number], code))
except RPCError as error:
if error.message.startswith("PHONE_CODE_"):
print(error)
return False
else:
raise error
elif password:
salt = self.invoke(GetPasswordRequest()).current_salt
result = self.invoke(
CheckPasswordRequest(utils.get_password_hash(password, salt)))
elif bot_token:
result = self.invoke(
ImportBotAuthorizationRequest(flags=0,
api_id=self.api_id,
api_hash=self.api_hash,
bot_auth_token=bot_token))
else:
raise ValueError(
"You must provide a phone_number and a code for the first time, "
"and a password only if an RPCError was raised before.")
self.session.user = result.user
self.session.save()
self.signed_in = True
return True
def sign_up(self, phone_number, code, first_name, last_name=''):
result = self.invoke(
SignUpRequest(phone_number=phone_number,
phone_code_hash=self.phone_code_hash[phone_number],
phone_code=code,
first_name=first_name,
last_name=last_name))
self.session.user = result.user
self.session.save()
def log_out(self):
try:
self.invoke(LogOutRequest())
if not self.session.delete():
return False
self.session = None
except:
return False
def send_message(self,
peer,
message,
no_web_page=False,
PM=False,
access_hash=None):
msg_id = utils.generate_random_long()
if not (PM is True):
self.invoke(
SendMessageRequest(peer=InputPeerChat(peer),
message=message,
random_id=msg_id,
no_webpage=no_web_page))
else:
if access_hash:
self.invoke(
SendMessageRequest(peer=InputPeerUser(peer, access_hash),
message=message,
random_id=msg_id,
no_webpage=no_web_page))
else:
print(
"Access hash not provided. Could send message to InputPeerUser."
)
return msg_id
def resolve_username(self, username):
result = self.invoke(ResolveUsernameRequest(username))
if result:
return result
else:
return "Cannot resolve given username. Ensure provided username is valid."
def get_full_user(self, ID, access_hash):
result = self.invoke(GetFullUserRequest(InputUser(ID, access_hash)))
if result:
return result
else:
return "Cannot get full user. Ensure provided ID is valid."
def add_update_handler(self, handler):
if not self.signed_in:
raise ValueError(
"You cannot add update handlers until you've signed in.")
self.sender.add_update_handler(handler)
def test_authenticator():
transport = TcpTransport('149.154.167.91', 443)
authenticator.do_authentication(transport)
transport.close()
class TelegramRegistrator(TelegramClient):
# Current TelegramClient version
__version__ = '0.10.1'
# region Initialization
def __init__(self, session, api_id=None, api_hash=None, proxy=None):
"""Initializes the Telegram client with the specified API ID and Hash.
Session can either be a `str` object (the filename for the loaded/saved .session)
or it can be a `Session` instance (in which case list_sessions() would probably not work).
If you don't want any file to be saved, pass `None`
In the later case, you are free to override the `Session` class to provide different
.save() and .load() implementations to suit your needs."""
# if api_id is None or api_hash is None:
# raise PermissionError(
# 'Your API ID or Hash are invalid. Please read "Requirements" on README.rst')
super().__init__(session, api_id, api_hash, proxy)
self.api_id = api_id
self.api_hash = api_hash
# Determine what session object we have
# TODO JsonSession until migration is complete (by v1.0)
if isinstance(session, str) or session is None:
self.session = JsonSession.try_load_or_create_new(session)
elif isinstance(session, Session):
self.session = session
else:
raise ValueError(
'The given session must either be a string or a Session instance.')
self.transport = None
self.proxy = proxy # Will be used when a TcpTransport is created
self.login_success = False
# Safety across multiple threads (for the updates thread)
self._lock = RLock()
self._logger = app_logger
# Methods to be called when an update is received
self._update_handlers = []
self._updates_thread_running = Event()
self._updates_thread_receiving = Event()
# Cache "exported" senders 'dc_id: MtProtoSender' and
# their corresponding sessions not to recreate them all
# the time since it's a (somewhat expensive) process.
self._cached_senders = {}
self._cached_sessions = {}
# These will be set later
self._updates_thread = None
self.dc_options = None
self.sender = None
self.phone_code_hashes = {}
def connect(self, reconnect=False,
device_model=None, system_version=None,
app_version=None, lang_code=None):
"""Connects to the Telegram servers, executing authentication if
required. Note that authenticating to the Telegram servers is
not the same as authenticating the desired user itself, which
may require a call (or several) to 'sign_in' for the first time.
Default values for the optional parameters if left as None are:
device_model = platform.node()
system_version = platform.system()
app_version = TelegramClient.__version__
lang_code = 'en'
"""
if self.transport is None:
self.transport = TcpTransport(self.session.server_address,
self.session.port, proxy=self.proxy)
try:
if not self.session.auth_key or (reconnect and self.sender is not None):
self.session.auth_key, self.session.time_offset = \
authenticator.do_authentication(self.transport)
self.session.save()
self.sender = MtProtoSender(self.transport, self.session)
self.sender.connect()
# Set the default parameters if left unspecified
if not device_model:
device_model = platform.node()
if not system_version:
system_version = platform.system()
if not app_version:
app_version = self.__version__
if not lang_code:
lang_code = 'en'
# Now it's time to send an InitConnectionRequest
# This must always be invoked with the layer we'll be using
query = InitConnectionRequest(
api_id=self.api_id,
device_model=device_model,
system_version=system_version,
app_version=app_version,
lang_code=lang_code,
query=GetConfigRequest())
result = self.invoke(
InvokeWithLayerRequest(
layer=layer, query=query))
# We're only interested in the DC options,
# although many other options are available!
self.dc_options = result.dc_options
self.login_success = True
return True
except (RPCError, ConnectionError) as error:
# Probably errors from the previous session, ignore them
self._logger.warning('Could not stabilise initial connection: {}'
.format(error))
return False
def check_phone(self, phone_number):
result = self.invoke(
CheckPhoneRequest(phone_number=phone_number))
return result
def sign_up(self, phone_number, code, first_name, last_name=''):
"""Signs up to Telegram. Make sure you sent a code request first!"""
result = self.invoke(
SignUpRequest(
phone_number=phone_number,
phone_code_hash=self.phone_code_hashes[phone_number],
phone_code=code,
first_name=first_name,
last_name=last_name))
self.session.user = result.user
self.session.save()
return result
def invoke(self, request, timeout=timedelta(seconds=5), throw_invalid_dc=False):
"""Invokes a MTProtoRequest (sends and receives it) and returns its result.
An optional timeout can be given to cancel the operation after the time delta.
Timeout can be set to None for no timeout.
If throw_invalid_dc is True, these errors won't be caught (useful to
avoid infinite recursion). This should not be set to True manually."""
if not issubclass(type(request), MTProtoRequest):
raise ValueError('You can only invoke MtProtoRequests')
if not self.sender:
raise ValueError('You must be connected to invoke requests!')
if self._updates_thread_receiving.is_set():
self.sender.cancel_receive()
try:
self._lock.acquire()
updates = []
self.sender.send(request)
self.sender.receive(request, timeout, updates=updates)
for update in updates:
for handler in self._update_handlers:
handler(update)
return request.result
except InvalidDCError as error:
if throw_invalid_dc:
raise
self._reconnect_to_dc(error.new_dc)
return self.invoke(request,
timeout=timeout, throw_invalid_dc=True)
except ConnectionResetError:
self._logger.info('Server disconnected us. Reconnecting and '
'resending request...')
self.reconnect()
self.invoke(request, timeout=timeout,
throw_invalid_dc=throw_invalid_dc)
except FloodWaitError:
self.disconnect()
raise
finally:
self._lock.release()
def reconnect(self):
"""Disconnects and connects again (effectively reconnecting)"""
self.disconnect()
self.connect()
def disconnect(self):
"""Disconnects from the Telegram server and stops all the spawned threads"""
self._set_updates_thread(running=False)
if self.sender:
self.sender.disconnect()
self.sender = None
if self.transport:
self.transport.close()
self.transport = None
# Also disconnect all the cached senders
for sender in self._cached_senders.values():
sender.disconnect()
self._cached_senders.clear()
self._cached_sessions.clear()
def _set_updates_thread(self, running):
"""Sets the updates thread status (running or not)"""
if running == self._updates_thread_running.is_set():
return
# Different state, update the saved value and behave as required
self._logger.info('Changing updates thread running status to %s', running)
if running:
self._updates_thread_running.set()
if not self._updates_thread:
self._updates_thread = Thread(
name='UpdatesThread', daemon=True,
target=self._updates_thread_method)
self._updates_thread.start()
else:
self._updates_thread_running.clear()
if self._updates_thread_receiving.is_set():
self.sender.cancel_receive()
def _updates_thread_method(self):
"""This method will run until specified and listen for incoming updates"""
# Set a reasonable timeout when checking for updates
timeout = timedelta(minutes=1)
while self._updates_thread_running.is_set():
# Always sleep a bit before each iteration to relax the CPU,
# since it's possible to early 'continue' the loop to reach
# the next iteration, but we still should to sleep.
sleep(0.1)
with self._lock:
self._logger.debug('Updates thread acquired the lock')
try:
self._updates_thread_receiving.set()
self._logger.debug('Trying to receive updates from the updates thread')
result = self.sender.receive_update(timeout=timeout)
self._logger.info('Received update from the updates thread')
for handler in self._update_handlers:
handler(result)
except ConnectionResetError:
self._logger.info('Server disconnected us. Reconnecting...')
self.reconnect()
except TimeoutError:
self._logger.debug('Receiving updates timed out')
except ReadCancelledError:
self._logger.info('Receiving updates cancelled')
except OSError:
self._logger.warning('OSError on updates thread, %s logging out',
'was' if self.sender.logging_out else 'was not')
if self.sender.logging_out:
# This error is okay when logging out, means we got disconnected
# TODO Not sure why this happens because we call disconnect()…
self._set_updates_thread(running=False)
else:
raise
self._logger.debug('Updates thread released the lock')
self._updates_thread_receiving.clear()
# Thread is over, so clean unset its variable
self._updates_thread = None
def _reconnect_to_dc(self, dc_id):
"""Reconnects to the specified DC ID. This is automatically
called after an InvalidDCError is raised"""
dc = self._get_dc(dc_id)
self.transport.close()
self.transport = None
self.session.server_address = dc.ip_address
self.session.port = dc.port
self.session.save()
self.connect(reconnect=True)
def _get_dc(self, dc_id):
"""Gets the Data Center (DC) associated to 'dc_id'"""
if not self.dc_options:
raise ConnectionError(
'Cannot determine the required data center IP address. '
'Stabilise a successful initial connection first.')
return next(dc for dc in self.dc_options if dc.id == dc_id)
def send_code_request(self, phone_number):
"""Sends a code request to the specified phone number"""
result = self.invoke(SendCodeRequest(phone_number, self.api_id, self.api_hash))
self.phone_code_hashes[phone_number] = result.phone_code_hash
return result
def run(self):
# Listen for updates
self.add_update_handler(self.update_handler)
# Enter a while loop to chat as long as the user wants
while True:
# Retrieve the top dialogs
dialog_count = 10
# Entities represent the user, chat or channel
# corresponding to the dialog on the same index
dialogs, entities = self.get_dialogs(dialog_count)
i = None
while i is None:
print_title('Dialogs window')
# Display them so the user can choose
for i, entity in enumerate(entities, start=1):
sprint('{}. {}'.format(i, get_display_name(entity)))
# Let the user decide who they want to talk to
print()
print('> Who do you want to send messages to?')
print('> Available commands:')
print(' !q: Quits the dialogs window and exits.')
print(' !l: Logs out, terminating this session.')
print()
i = input('Enter dialog ID or a command: ')
if i == '!q':
return
if i == '!l':
self.log_out()
return
try:
i = int(i if i else 0) - 1
# Ensure it is inside the bounds, otherwise retry
if not 0 <= i < dialog_count:
i = None
except ValueError:
i = None
# Retrieve the selected user (or chat, or channel)
entity = entities[i]
# Show some information
print_title('Chat with "{}"'.format(get_display_name(entity)))
print('Available commands:')
print(' !q: Quits the current chat.')
print(' !Q: Quits the current chat and exits.')
print(' !h: prints the latest messages (message History).')
print(' !up <path>: Uploads and sends the Photo from path.')
print(' !uf <path>: Uploads and sends the File from path.')
print(' !dm <msg-id>: Downloads the given message Media (if any).')
print(' !dp: Downloads the current dialog Profile picture.')
print()
# And start a while loop to chat
while True:
msg = input('Enter a message: ')
# Quit
if msg == '!q':
break
elif msg == '!Q':
return
# History
elif msg == '!h':
# First retrieve the messages and some information
total_count, messages, senders = self.get_message_history(
entity, limit=10)
# Iterate over all (in reverse order so the latest appear
# the last in the console) and print them with format:
# "[hh:mm] Sender: Message"
for msg, sender in zip(
reversed(messages), reversed(senders)):
# Get the name of the sender if any
if sender:
name = getattr(sender, 'first_name', None)
if not name:
name = getattr(sender, 'title')
if not name:
name = '???'
else:
name = '???'
# Format the message content
if getattr(msg, 'media', None):
self.found_media.add(msg)
# The media may or may not have a caption
caption = getattr(msg.media, 'caption', '')
content = '<{}> {}'.format(
type(msg.media).__name__, caption)
elif hasattr(msg, 'message'):
content = msg.message
elif hasattr(msg, 'action'):
content = str(msg.action)
else:
# Unknown message, simply print its class name
content = type(msg).__name__
# And print it to the user
sprint('[{}:{}] (ID={}) {}: {}'.format(
msg.date.hour, msg.date.minute, msg.id, name,
content))
# Send photo
elif msg.startswith('!up '):
# Slice the message to get the path
self.send_photo(path=msg[len('!up '):], entity=entity)
# Send file (document)
elif msg.startswith('!uf '):
# Slice the message to get the path
self.send_document(path=msg[len('!uf '):], entity=entity)
# Download media
elif msg.startswith('!dm '):
# Slice the message to get message ID
self.download_media(msg[len('!dm '):])
# Download profile photo
elif msg == '!dp':
output = str('usermedia/propic_{}'.format(entity.id))
print('Downloading profile picture...')
success = self.download_profile_photo(entity.photo, output)
if success:
print('Profile picture downloaded to {}'.format(
output))
else:
print('No profile picture found for this user.')
# Send chat message (if any)
elif msg:
self.send_message(
entity, msg, no_web_page=True)
@staticmethod
def update_handler(update_object):
if type(update_object) is UpdateShortMessage:
if update_object.out:
sprint('You sent {} to user #{}'.format(
update_object.message, update_object.user_id))
else:
sprint('[User #{} sent {}]'.format(
update_object.user_id, update_object.message))
elif type(update_object) is UpdateShortChatMessage:
if update_object.out:
sprint('You sent {} to chat #{}'.format(
update_object.message, update_object.chat_id))
else:
sprint('[Chat #{}, user #{} sent {}]'.format(
update_object.chat_id, update_object.from_id,
update_object.message))
def is_user_authorized(self):
"""Has the user been authorized yet
(code request sent and confirmed)?"""
return self.session and self.get_me() is not None