Encrypted cloud storage API based on a Telegram API
Project description
from tgbox.api import (
TelegramClient,
make_remotebox,
make_localbox
)
from asyncio import run as asyncio_run
from tgbox.keys import Phrase, make_basekey
from getpass import getpass # Hidden input
# Phone number linked to your Telegram account
PHONE_NUMBER = '+10000000000'
# This two will not work. Get your own at https://my.telegram.org
API_ID, API_HASH = 1234567, '00000000000000000000000000000000'
async def main():
tc = TelegramClient(
phone_number = PHONE_NUMBER,
api_id = API_ID,
api_hash = API_HASH
)
await tc.connect() # Connecting with Telegram
await tc.send_code() # Requesting login code
await tc.log_in(
code = int(input('Code: ')),
password = getpass('Pass: ')
)
# Generating your passphrase
p = Phrase.generate()
print(p.phrase.decode())
# WARNING: This will use 1GB of RAM for a
# couple of seconds. See help(make_basekey)
basekey = make_basekey(p)
# Make EncryptedRemoteBox
erb = await make_remotebox(tc)
# Make DecryptedLocalBox
dlb = await make_localbox(erb, basekey)
# Obtain DecryptedRemoteBox
drb = await erb.decrypt(dlb=dlb)
# CATTRS is a File's CustomAttributes. You
# can specify any you want. Here we will add
# a "comment" attr with a true statement :^)
cattrs = {'comment': b'Cats are cool B-)'}
# Preparing file for upload. This will return a PreparedFile object
pf = await dlb.prepare_file(open('cats.png','rb'), cattrs=cattrs)
# Uploading PreparedFile to the RemoteBox
# and return DecryptedRemoteBoxFile
drbf = await drb.push_file(pf)
# Retrieving some info from the RemoteBoxFile
print('File size:', drbf.size, 'bytes')
print('File name:', drbf.file_name)
# You can also access all information about
# the RemoteBoxFile you need from the LocalBox
dlbf = await dlb.get_file(drbf.id)
print('File path:', dlbf.file_path)
print('Custom Attributes:', dlbf.cattrs)
# Downloading file back.
await drbf.download()
# Close all connections
# after work was done
await erb.done()
await dlb.done()
asyncio_run(main())
Motivation
The Telegram is beautiful app. Not only by mean of features and Client API, but it’s also good in cryptography and secure messaging. In the last years, core and client devs of Telegram mostly work for “social-network features”, i.e video chats and message reactions which is OK, but there also can be plenty of “crypto-related” things.
Target
This [unofficial] library targets to be a PoC of encrypted file storage inside the Telegram, but can be used as standalone API.
Abstract
We name “encrypted cloud storage” as Box and the API to it as Tgbox. There is two of boxes: the RemoteBox and the LocalBox. They define a basic primitives. You can share your Box and separate Files with other people absolutely secure - only You and someone you want will have decryption key, even through insecure communication canals (e2e). You can make unlimited amount of Boxes, Upload & Download speed is faster than in official Telegram clients and maximum filesize is around 2GB and around 4GB for Premium users.
Documentation
See ReadTheDocs for main information and help.
You can also build docs from the source
git clone https://github.com/NonProject/tgbox --branch=indev
cd tgbox && python3 -m pip install .[doc] # Install with doc
cd docs && make html && firefox _build/html/index.html
Third party & thanks to
Resources
Official developer channel: @nontgbox
Example TGBOX container: @nontgbox_non
Project details
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