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Code Issues Releases Wiki Activity

Re-implement change_cloud_password using SRP

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This commit is contained in:
Dan 2018-12-15 12:22:33 +01:00
parent e3459017ef
commit 40ecc082a6
1 changed files with 18 additions and 16 deletions
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34
pyrogram/client/methods/password/change_cloud_password.py
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@ -17,9 +17,9 @@
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import os
from hashlib import sha256
from pyrogram.api import functions, types
from .utils import compute_hash, compute_check, btoi, itob
from ...ext import BaseClient
@ -38,28 +38,30 @@ class ChangeCloudPassword(BaseClient):
A new password hint.
Returns:
True on success, False otherwise.
True on success.
Raises:
:class:`Error <pyrogram.Error>` in case of a Telegram RPC error.
``ValueError`` in case there is no cloud password to change.
"""
r = self.send(functions.account.GetPassword())
if isinstance(r, types.account.Password):
current_password_hash = sha256(r.current_salt + current_password.encode() + r.current_salt).digest()
if not r.has_password:
raise ValueError("There is no cloud password to change")
new_salt = r.new_salt + os.urandom(8)
new_password_hash = sha256(new_salt + new_password.encode() + new_salt).digest()
r.new_algo.salt1 += os.urandom(32)
new_hash = btoi(compute_hash(r.new_algo, new_password))
new_hash = itob(pow(r.new_algo.g, new_hash, btoi(r.new_algo.p)))
return self.send(
functions.account.UpdatePasswordSettings(
current_password_hash=current_password_hash,
new_settings=types.account.PasswordInputSettings(
new_salt=new_salt,
new_password_hash=new_password_hash,
hint=new_hint
)
self.send(
functions.account.UpdatePasswordSettings(
password=compute_check(r, current_password),
new_settings=types.account.PasswordInputSettings(
new_algo=r.new_algo,
new_password_hash=new_hash,
hint=new_hint
)
)
else:
return False
)
return True