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"""
Simple API Key Encryption Module for Glossarion
Encrypts only specific API key fields including multi-key support
"""
import os
import json
import base64
from cryptography.fernet import Fernet
from pathlib import Path
class APIKeyEncryption:
"""Simple encryption handler for API keys"""
def __init__(self):
self.key_file = Path('.glossarion_key')
self.cipher = self._get_or_create_cipher()
# Define which fields to encrypt
self.api_key_fields = [
'api_key',
'replicate_api_key',
# Add more field names here if needed
]
def _get_or_create_cipher(self):
"""Get existing cipher or create new one"""
if self.key_file.exists():
try:
key = self.key_file.read_bytes()
return Fernet(key)
except:
pass
# Generate new key
key = Fernet.generate_key()
self.key_file.write_bytes(key)
# Hide file on Windows
if os.name == 'nt':
import ctypes
ctypes.windll.kernel32.SetFileAttributesW(str(self.key_file), 2)
else:
# Restrict permissions on Unix
os.chmod(self.key_file, 0o600)
return Fernet(key)
def encrypt_value(self, value):
"""Encrypt a single value"""
try:
encrypted = self.cipher.encrypt(value.encode())
return f"ENC:{base64.b64encode(encrypted).decode()}"
except:
return value
def decrypt_value(self, value):
"""Decrypt a single value"""
if not isinstance(value, str) or not value.startswith('ENC:'):
return value
try:
encrypted_data = base64.b64decode(value[4:])
return self.cipher.decrypt(encrypted_data).decode()
except:
return value
def encrypt_multi_keys(self, multi_keys):
"""Encrypt API keys in multi_api_keys array"""
if not isinstance(multi_keys, list):
return multi_keys
encrypted_keys = []
for key_entry in multi_keys:
if isinstance(key_entry, dict):
encrypted_entry = key_entry.copy()
# Encrypt the api_key field in each entry
if 'api_key' in encrypted_entry and encrypted_entry['api_key']:
value = encrypted_entry['api_key']
if isinstance(value, str) and not value.startswith('ENC:'):
encrypted_entry['api_key'] = self.encrypt_value(value)
encrypted_keys.append(encrypted_entry)
else:
encrypted_keys.append(key_entry)
return encrypted_keys
def decrypt_multi_keys(self, multi_keys):
"""Decrypt API keys in multi_api_keys array"""
if not isinstance(multi_keys, list):
return multi_keys
decrypted_keys = []
for key_entry in multi_keys:
if isinstance(key_entry, dict):
decrypted_entry = key_entry.copy()
# Decrypt the api_key field in each entry
if 'api_key' in decrypted_entry and decrypted_entry['api_key']:
decrypted_entry['api_key'] = self.decrypt_value(decrypted_entry['api_key'])
decrypted_keys.append(decrypted_entry)
else:
decrypted_keys.append(key_entry)
return decrypted_keys
def encrypt_config(self, config):
"""Encrypt specific API key fields including multi-key support"""
encrypted = config.copy()
# Encrypt regular API key fields
for field in self.api_key_fields:
if field in encrypted and encrypted[field]:
value = encrypted[field]
# Only encrypt if not already encrypted
if isinstance(value, str) and not value.startswith('ENC:'):
encrypted[field] = self.encrypt_value(value)
# Encrypt multi_api_keys if present
if 'multi_api_keys' in encrypted:
encrypted['multi_api_keys'] = self.encrypt_multi_keys(encrypted['multi_api_keys'])
# Encrypt fallback_keys if present
if 'fallback_keys' in encrypted:
encrypted['fallback_keys'] = self.encrypt_multi_keys(encrypted['fallback_keys'])
return encrypted
def decrypt_config(self, config):
"""Decrypt specific API key fields including multi-key support"""
decrypted = config.copy()
# Decrypt regular API key fields
for field in self.api_key_fields:
if field in decrypted and decrypted[field]:
decrypted[field] = self.decrypt_value(decrypted[field])
# Decrypt multi_api_keys if present
if 'multi_api_keys' in decrypted:
decrypted['multi_api_keys'] = self.decrypt_multi_keys(decrypted['multi_api_keys'])
# Decrypt fallback_keys if present
if 'fallback_keys' in decrypted:
decrypted['fallback_keys'] = self.decrypt_multi_keys(decrypted['fallback_keys'])
return decrypted
# Simple interface functions
_handler = None
def get_handler():
global _handler
if _handler is None:
_handler = APIKeyEncryption()
return _handler
def encrypt_config(config):
"""Encrypt API keys in config"""
return get_handler().encrypt_config(config)
def decrypt_config(config):
"""Decrypt API keys in config"""
return get_handler().decrypt_config(config)
def migrate_config_file(config_file='config.json'):
"""Migrate existing config to encrypted format"""
try:
# Read config
with open(config_file, 'r', encoding='utf-8') as f:
config = json.load(f)
# Check if already encrypted
handler = get_handler()
needs_encryption = False
# Check regular API key fields
for field in handler.api_key_fields:
if field in config and config[field]:
if isinstance(config[field], str) and not config[field].startswith('ENC:'):
needs_encryption = True
break
# Check multi_api_keys
if 'multi_api_keys' in config and isinstance(config['multi_api_keys'], list):
for key_entry in config['multi_api_keys']:
if isinstance(key_entry, dict) and 'api_key' in key_entry:
if key_entry['api_key'] and not key_entry['api_key'].startswith('ENC:'):
needs_encryption = True
break
# Check fallback_keys
if 'fallback_keys' in config and isinstance(config['fallback_keys'], list):
for key_entry in config['fallback_keys']:
if isinstance(key_entry, dict) and 'api_key' in key_entry:
if key_entry['api_key'] and not key_entry['api_key'].startswith('ENC:'):
needs_encryption = True
break
if not needs_encryption:
print("Config already encrypted or no API keys found.")
return True
# Backup
backup_file = f"{config_file}.backup"
with open(backup_file, 'w', encoding='utf-8') as f:
json.dump(config, f, ensure_ascii=False, indent=2)
print(f"Created backup: {backup_file}")
# Encrypt
encrypted = encrypt_config(config)
# Save
with open(config_file, 'w', encoding='utf-8') as f:
json.dump(encrypted, f, ensure_ascii=False, indent=2)
print("✅ Successfully encrypted API keys!")
# Show summary
if 'multi_api_keys' in config:
print(f" - Encrypted {len(config['multi_api_keys'])} multi-key entries")
if 'fallback_keys' in config:
print(f" - Encrypted {len(config['fallback_keys'])} fallback-key entries")
return True
except Exception as e:
print(f"❌ Error: {e}")
return False
if __name__ == "__main__":
# Simple migration script
import sys
config_file = 'config.json'
if len(sys.argv) > 1:
config_file = sys.argv[1]
if os.path.exists(config_file):
print(f"Encrypting API keys in {config_file}...")
migrate_config_file(config_file)
else:
print(f"Config file not found: {config_file}")
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