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Handle issue when encryption password for local cache is missing

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This commit is contained in:
Antonio J. Delgado 2024-11-28 11:35:02 +02:00
parent b0a2e83795
commit c50c7c9413
1 changed files with 36 additions and 12 deletions
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48
nc_password_client/nc_password_client.py
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@ -24,6 +24,7 @@ import click
import click_config_file import click_config_file
import passpy import passpy
import secretstorage import secretstorage
import cryptography.fernet
from cryptography.fernet import Fernet from cryptography.fernet import Fernet
from yaml import dump from yaml import dump
try: try:
@ -128,7 +129,7 @@ class NextcloudHandler:
self.field_replacements[key] = value self.field_replacements[key] = value
self.debug( self.debug(
{ {
"action": "Initializing Netcloud handler", "action": "Initializing Nextcloud handler",
"field_replacements": self.field_replacements "field_replacements": self.field_replacements
} }
) )
@ -229,9 +230,18 @@ class NextcloudHandler:
collection = secretstorage.get_default_collection(connection) collection = secretstorage.get_default_collection(connection)
if collection.is_locked(): if collection.is_locked():
collection.unlock() collection.unlock()
for item in collection.get_all_items(): try:
if item.get_label() == 'nc_password_client': for item in collection.get_all_items():
self.encryption_pass = item.get_secret() if item.get_label() == 'nc_password_client':
self.encryption_pass = item.get_secret()
except secretstorage.exceptions.ItemNotFoundException as error:
self.error(
{
"action": "_get_encryption_pass_from_keyring",
"message": "Item not found browsing keyring items",
"error": error
}
)
if self.encryption_pass is None: if self.encryption_pass is None:
self.debug( self.debug(
{ {
@ -245,10 +255,11 @@ class NextcloudHandler:
} }
item = collection.create_item('nc_password_client', attributes, self.encryption_pass) item = collection.create_item('nc_password_client', attributes, self.encryption_pass)
else: else:
print(self.encryption_pass)
self.debug( self.debug(
{ {
"action": "_get_encryption_pass_from_keyring", "action": "_get_encryption_pass_from_keyring",
"message": "Encryption password obtained from keyring" "message": "Encryption password obtained from keyring",
} }
) )
@ -264,14 +275,27 @@ class NextcloudHandler:
content = cache_file.read() content = cache_file.read()
if len(content) != 0: if len(content) != 0:
cipher_suite = Fernet(self.encryption_pass) cipher_suite = Fernet(self.encryption_pass)
self.cache = json.loads(cipher_suite.decrypt(content)) try:
self.debug( self.cache = json.loads(cipher_suite.decrypt(content))
{ self.debug(
"action": "_read_cache", {
"last_update": self.cache['last_update'], "action": "_read_cache",
"total_cached_password": len(self.cache['cached_passwords']) "last_update": self.cache['last_update'],
"total_cached_password": len(self.cache['cached_passwords'])
}
)
except cryptography.fernet.InvalidToken as error:
self.debug(
{
"action": "_read_cache",
"message": "Fernet token for passwords local cache is invalid, discarding the local cache.",
}
)
self.cache = {
"last_update": -1,
"cached_passwords": []
} }
)
else: else:
self.debug( self.debug(
{ {