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change password modularized

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azivner
2017-09-12 22:09:09 -04:00
parent 8bc1bdd5f7
commit b0957a0c8f
2 changed files with 69 additions and 54 deletions
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66
change-password.py
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@@ -1,69 +1,27 @@
#!/usr/bin/python
import src.config_provider
import src.sql
import base64
import getpass
from Crypto.Cipher import AES
from Crypto.Util import Counter
import binascii
import src.my_scrypt
import src.sql
import src.change_password
config = src.config_provider.getConfig()
src.sql.connect(config['Document']['documentPath'])
currentPassword = getpass.getpass(prompt="Enter current password: ")
current_password = getpass.getpass(prompt="Enter current password: ")
currentPasswordHash = binascii.hexlify(src.my_scrypt.getVerificationHash(currentPassword))
new_password1 = getpass.getpass(prompt="Enter new password: ")
new_password2 = getpass.getpass(prompt="Repeat the same password: ")
if currentPasswordHash != src.sql.getOption('password'):
print("Given password doesn't match hash")
exit(-1)
currentPasswordEncryptionKey = src.my_scrypt.getEncryptionHash(currentPassword)
newPassword1 = getpass.getpass(prompt="Enter new password: ")
newPassword2 = getpass.getpass(prompt="Repeat the same password: ")
if newPassword1 != newPassword2:
if new_password1 != new_password2:
print('Entered passwords are not identical!')
exit(-1)
newPasswordVerificationKey = binascii.hexlify(src.my_scrypt.getVerificationHash(newPassword1))
newPasswordEncryptionKey = src.my_scrypt.getEncryptionHash(newPassword1)
ret = src.change_password.change_password(current_password, new_password1)
encryptedNotes = src.sql.getResults("select note_id, note_title, note_text from notes where encryption = 1")
def decrypt(encryptedBase64):
encryptedBytes = base64.b64decode(encryptedBase64)
aes = getAes(currentPasswordEncryptionKey)
return aes.decrypt(encryptedBytes)
def encrypt(plainText):
aes = getAes(newPasswordEncryptionKey)
encryptedBytes = aes.encrypt(plainText)
return base64.b64encode(encryptedBytes)
def getAes(key):
return AES.new(key, AES.MODE_CTR, counter=Counter.new(128, initial_value=5))
for note in encryptedNotes:
decryptedTitle = decrypt(note['note_title'])
decryptedText = decrypt(note['note_text'])
reEncryptedTitle = encrypt(decryptedTitle)
reEncryptedText = encrypt(decryptedText)
src.sql.execute("update notes set note_title = ?, note_text = ? where note_id = ?",
[reEncryptedTitle, reEncryptedText, note['note_id']])
print("Note " + note['note_id'] + " re-encrypted with new password")
src.sql.setOption('password', newPasswordVerificationKey)
src.sql.commit()
print("Changes committed. All encrypted notes were re-encrypted successfully with new password key.")
print("You can now start application and login with new password.")
if (ret['success']):
print("Changes committed. All encrypted notes were re-encrypted successfully with new password key.")
print("You can now start application and login with new password.")
else:
print(ret['message'])