| import re |
| from flask import request, jsonify |
|
|
| def validate_email(email): |
| """Validate an email address.""" |
| regex = r"^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$" |
| return re.match(regex, email) is not None |
|
|
| def validate_password(password): |
| """Validate a password (at least 8 characters, one uppercase, one number).""" |
| if len(password) < 8: |
| return False |
| if not re.search(r"[A-Z]", password): |
| return False |
| if not re.search(r"\d", password): |
| return False |
| return True |
|
|
| def validate_ad_content(content): |
| """Validate ad content (non-empty and within length limits).""" |
| if not content or len(content) > 1000: |
| return False |
| return True |
|
|
| def validate_request_json(required_fields): |
| """Validate JSON request payload for required fields.""" |
| data = request.get_json() |
| if not data: |
| return jsonify({"error": "Request must be JSON"}), 400 |
| for field in required_fields: |
| if field not in data: |
| return jsonify({"error": f"Missing required field: {field}"}), 400 |
| return None |
