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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 |