Closed
Description
Use case
In some of case I would like to custom masking like example Aadhar number or SSN number is 1111-1111-1111 then masking should be done like ****-****-6789 or ****-****-**** or regex pattern.
Solution/User Experience
currently erase, encrypt and decrypt is supported. Similarly can be introduce mask or custom_mask method which accept parameter s like masking_chars
This is just an example to explain how it can worked this can move to prebuild function mask or custom_mask
from aws_lambda_powertools import Logger
import re
# Initialize logger with custom masking
logger = Logger()
def mask_sensitive_data(value):
"""Custom function to mask sensitive data"""
return re.sub(r'\d{4}-\d{4}-\d{4}-(\d{4})', '****-****-****-****', value)
user_data = {
"username": "john_doe",
"card_number": "4111-1111-1111-1111"
}
# Apply custom masking
masked_card_number = mask_sensitive_data(user_data["card_number"])
logger.info("Processing payment", extra={"card_number": masked_card_number})
Alternative solutions
Acknowledgment
- This feature request meets Powertools for AWS Lambda (Python) Tenets
- Should this be considered in other Powertools for AWS Lambda languages? i.e. Java, TypeScript, and .NET
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