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preventing avatars corrupt

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ingvar1995 2016-04-28 22:57:32 +03:00
parent 12d2ee52dc
commit 8621782c8e
1 changed files with 17 additions and 9 deletions
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26
src/file_transfers.py
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@ -1,6 +1,6 @@
from toxcore_enums_and_consts import TOX_FILE_KIND, TOX_FILE_CONTROL from toxcore_enums_and_consts import TOX_FILE_KIND, TOX_FILE_CONTROL
from os.path import basename, getsize, exists from os.path import basename, getsize, exists
from os import remove, chdir from os import remove, rename
from time import time, sleep from time import time, sleep
from tox import Tox from tox import Tox
import settings import settings
@ -149,9 +149,8 @@ class ReceiveTransfer(FileTransfer):
def __init__(self, path, tox, friend_number, size, file_number): def __init__(self, path, tox, friend_number, size, file_number):
super(ReceiveTransfer, self).__init__(path, tox, friend_number, size, file_number) super(ReceiveTransfer, self).__init__(path, tox, friend_number, size, file_number)
if type(self) is not ReceiveAvatar: self._file = open(self._path, 'wb')
self._file = open(self._path, 'wb') self._file.truncate(0)
self._file.truncate(0)
self._file_size = 0 self._file_size = 0
def cancel(self): def cancel(self):
@ -220,15 +219,17 @@ class ReceiveAvatar(ReceiveTransfer):
def __init__(self, tox, friend_number, size, file_number): def __init__(self, tox, friend_number, size, file_number):
path = settings.ProfileHelper.get_path() + 'avatars/{}.png'.format(tox.friend_get_public_key(friend_number)) path = settings.ProfileHelper.get_path() + 'avatars/{}.png'.format(tox.friend_get_public_key(friend_number))
super(ReceiveAvatar, self).__init__(path, tox, friend_number, size, file_number) super(ReceiveAvatar, self).__init__(path + '.tmp', tox, friend_number, size, file_number)
if size > self.MAX_AVATAR_SIZE: if size > self.MAX_AVATAR_SIZE:
self.send_control(TOX_FILE_CONTROL['CANCEL']) self.send_control(TOX_FILE_CONTROL['CANCEL'])
remove(path + '.tmp')
elif exists(path): elif exists(path):
if not size: if not size:
self.send_control(TOX_FILE_CONTROL['CANCEL']) self.send_control(TOX_FILE_CONTROL['CANCEL'])
self.state = TOX_FILE_TRANSFER_STATE['CANCELED'] self.state = TOX_FILE_TRANSFER_STATE['CANCELED']
self._file.close() self._file.close()
remove(path) remove(path)
remove(path + '.tmp')
else: else:
hash = self.get_file_id() hash = self.get_file_id()
with open(path) as fl: with open(path) as fl:
@ -237,11 +238,18 @@ class ReceiveAvatar(ReceiveTransfer):
if hash == existing_hash: if hash == existing_hash:
self.send_control(TOX_FILE_CONTROL['CANCEL']) self.send_control(TOX_FILE_CONTROL['CANCEL'])
self.state = TOX_FILE_TRANSFER_STATE['CANCELED'] self.state = TOX_FILE_TRANSFER_STATE['CANCELED']
remove(path + '.tmp')
else: else:
self._file = open(self._path, 'wb')
self._file.truncate(0)
self.send_control(TOX_FILE_CONTROL['RESUME']) self.send_control(TOX_FILE_CONTROL['RESUME'])
else: else:
self._file = open(self._path, 'wb')
self._file.truncate(0)
self.send_control(TOX_FILE_CONTROL['RESUME']) self.send_control(TOX_FILE_CONTROL['RESUME'])
def write_chunk(self, position, data):
super(ReceiveAvatar, self).write_chunk(position, data)
if self.state:
avatar_path = self._path[:-4]
if exists(avatar_path):
remove(avatar_path)
rename(self._path, avatar_path)