def db_gen_user_keys(session, tid, user, password):
"""
Transaction generating and saving user keys
:param session: An ORM session
:param tid: A tenant ID
:param user: A user object
:param password: A user's password
:return: A private key generated for the user
"""
enc_key = GCE.derive_key(password.encode(), user.salt)
crypto_prv_key, user.crypto_pub_key = GCE.generate_keypair()
user.crypto_bkp_key, user.crypto_rec_key = GCE.generate_recovery_key(
crypto_prv_key)
user.crypto_prv_key = Base64Encoder.encode(
GCE.symmetric_encrypt(enc_key, crypto_prv_key))
# Create an escrow backup for the root tenant
tid_1_escrow = config.ConfigFactory(session,
1).get_val('crypto_escrow_pub_key')
if tid_1_escrow:
user.crypto_escrow_bkp1_key = Base64Encoder.encode(
GCE.asymmetric_encrypt(tid_1_escrow, crypto_prv_key))
# Create an escrow backup for the actual tenant
tid_n_escrow = config.ConfigFactory(session,
tid).get_val('crypto_escrow_pub_key')
if tid_n_escrow:
user.crypto_escrow_bkp2_key = Base64Encoder.encode(
GCE.asymmetric_encrypt(tid_n_escrow, crypto_prv_key))
return crypto_prv_key
def set_user_password(tid, user, password, cc):
# Regenerate the password hash only if different from the best choice on the platform
if user.hash_alg != 'ARGON2':
user.hash_alg = 'ARGON2'
user.salt = GCE.generate_salt()
password_hash = GCE.hash_password(password, user.salt)
# Check that the new password is different form the current password
if user.password == password_hash:
raise errors.PasswordReuseError
user.password = password_hash
user.password_change_date = datetime_now()
if not State.tenant_cache[tid].encryption and cc == '':
return None
enc_key = GCE.derive_key(password.encode(), user.salt)
if not cc:
# The first password change triggers the generation
# of the user encryption private key and its backup
cc, user.crypto_pub_key = GCE.generate_keypair()
user.crypto_bkp_key, user.crypto_rec_key = GCE.generate_recovery_key(cc)
user.crypto_prv_key = Base64Encoder.encode(GCE.symmetric_encrypt(enc_key, cc))
if State.tenant_cache[1].crypto_escrow_pub_key:
user.crypto_escrow_bkp1_key = Base64Encoder.encode(GCE.asymmetric_encrypt(State.tenant_cache[1].crypto_escrow_pub_key, cc))
if State.tenant_cache[tid].crypto_escrow_pub_key:
user.crypto_escrow_bkp2_key = Base64Encoder.encode(GCE.asymmetric_encrypt(State.tenant_cache[tid].crypto_escrow_pub_key, cc))
return cc
def test_recovery_key(self):
prv_key, _ = GCE.generate_keypair()
bck_key, rec_key = GCE.generate_recovery_key(prv_key)
plain_rec_key = GCE.asymmetric_decrypt(prv_key,
Base64Encoder.decode(rec_key))
x = GCE.symmetric_decrypt(plain_rec_key, Base64Encoder.decode(bck_key))
self.assertEqual(x, prv_key)
################################################################################
# BEGIN MOCKS NECESSARY FOR DETERMINISTIC ENCRYPTION
VALID_PASSWORD1 = 'ACollectionOfDiplomaticHistorySince_1966_ToThe_Pr esentDay#'
VALID_PASSWORD2 = VALID_PASSWORD1
VALID_SALT1 = GCE.generate_salt()
VALID_SALT2 = GCE.generate_salt()
VALID_HASH1 = GCE.hash_password(VALID_PASSWORD1, VALID_SALT1)
VALID_HASH2 = GCE.hash_password(VALID_PASSWORD2, VALID_SALT2)
VALID_BASE64_IMG = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVQYV2NgYAAAAAMAAWgmWQ0AAAAASUVORK5CYII='
INVALID_PASSWORD = '******'
KEY = GCE.generate_key()
USER_KEY = GCE.derive_key(VALID_PASSWORD1, VALID_SALT1)
USER_PRV_KEY, USER_PUB_KEY = GCE.generate_keypair()
USER_PRV_KEY_ENC = Base64Encoder.encode(GCE.symmetric_encrypt(USER_KEY, USER_PRV_KEY))
USER_BKP_KEY, USER_REC_KEY = GCE.generate_recovery_key(USER_PRV_KEY)
USER_REC_KEY_PLAIN = GCE.asymmetric_decrypt(USER_PRV_KEY, Base64Encoder.decode(USER_REC_KEY))
USER_REC_KEY_PLAIN = Base32Encoder.encode(USER_REC_KEY_PLAIN).replace(b'=', b'').decode('utf-8')
GCE_orig_generate_key = GCE.generate_key
GCE_orig_generate_keypair = GCE.generate_keypair
def GCE_mock_generate_key():
return KEY
def GCE_mock_generate_keypair():
return USER_PRV_KEY, USER_PUB_KEY
setattr(GCE, 'generate_key', GCE_mock_generate_key)
def db_user_update_user(session, tid, user_session, request):
"""
Updates the specified user.
This version of the function is specific for users that with comparison with
admins can change only few things:
- real name
- email address
- preferred language
- the password (with old password check)
- pgp key
raises: globaleaks.errors.ResourceNotFound` if the receiver does not exist.
"""
from globaleaks.handlers.admin.notification import db_get_notification
from globaleaks.handlers.admin.node import db_admin_serialize_node
user = models.db_get(session, models.User,
models.User.id == user_session.user_id)
user.language = request.get('language',
State.tenant_cache[tid].default_language)
user.name = request['name']
new_password = request['password']
old_password = request['old_password']
if new_password:
if user.password_change_needed:
user.password_change_needed = False
else:
if not GCE.check_password(user.hash_alg, old_password, user.salt,
user.password):
raise errors.InvalidOldPassword
# Regenerate the password hash only if different from the best choice on the platform
if user.hash_alg != GCE.HASH:
user.hash_alg = GCE.HASH
user.salt = GCE.generate_salt()
password_hash = GCE.hash_password(new_password, user.salt)
# Check that the new password is different form the current password
if user.password == password_hash:
raise errors.PasswordReuseError
user.password = password_hash
user.password_change_date = datetime_now()
if State.tenant_cache[tid].encryption:
enc_key = GCE.derive_key(request['password'].encode(), user.salt)
if not user_session.cc:
# Th First first password change triggers the generation
# of the user encryption private key and its backup
user_session.cc, user.crypto_pub_key = GCE.generate_keypair()
user.crypto_bkp_key, user.crypto_rec_key = GCE.generate_recovery_key(
user_session.cc)
# If the user had already enabled two factor before encryption was not enable
# encrypt the two factor secret
if user.two_factor_secret:
user.two_factor_secret = GCE.asymmetric_encrypt(
user.crypto_pub_key, user.two_factor_secret)
user.crypto_prv_key = GCE.symmetric_encrypt(
enc_key, user_session.cc)
# If the email address changed, send a validation email
if request['mail_address'] != user.mail_address:
user.change_email_address = request['mail_address']
user.change_email_date = datetime_now()
user.change_email_token = generateRandomKey(32)
user_desc = user_serialize_user(session, user, user.language)
user_desc['mail_address'] = request['mail_address']
template_vars = {
'type': 'email_validation',
'user': user_desc,
'new_email_address': request['mail_address'],
'validation_token': user.change_email_token,
'node': db_admin_serialize_node(session, tid, user.language),
'notification': db_get_notification(session, tid, user.language)
}
State.format_and_send_mail(session, tid, user_desc, template_vars)
# If the platform allows users to change PGP keys, process it
if State.tenant_cache[tid]['enable_user_pgp_key_upload'] is True:
parse_pgp_options(user, request)
return user
