Addon Submission Blocker for Gravityforms

1.7.0

• Performance: Optimized validation with O(1) hash lookups instead of O(n) array searches
• Performance: Added object caching for statistics (5-minute cache)
• Performance: Static caching of blocked lists to avoid repeated database queries
• Performance: Failed geolocation lookups now cached for 5 minutes to prevent API hammering
• Security: Added rate limiting to quick block AJAX endpoint (10 blocks per minute)
• Security: Enhanced input validation for IP addresses and email formats
• Security: Added file size and type validation for settings import (max 1MB)
• Security: Improved geolocation API error handling with response code validation
• Security: Added user agent to geolocation API requests
• Security: Sanitization improvements for imported settings data
• New: Automatic log cleanup with configurable retention period (default 90 days)
• New: Option to keep logs forever or set custom retention days (30/90/365)
• New: Scheduled daily cleanup task to maintain database performance
• Improved: Better error messages for rate limiting and validation failures
• Improved: Log retention setting included in export/import
• Note: ip-api.com uses HTTP (HTTPS requires pro plan) but only transmits country codes

1.6.0

• New: Comprehensive logging system for all blocked submissions
• New: Statistics dashboard showing blocked counts by type and time period
• New: Export/Import settings functionality
• New: Display blocked item counts in settings
• New: Country-based blocking with geolocation
• New: Quick block button on entry list and detail pages
• Improved: Better OOP structure with separated concerns
• Improved: Enhanced UI with modern styling
• Fixed: Security improvements with wp_safe_redirect

1.5.0

• New: block specific text content within form fields
• New: direct blocking of IPs, emails, domains, and text from entry list and detail pages
• Improved security and nonce verification for all processing
• Enhanced sanitization and escaping
• Added internationalization for user facing strings

1.4.0

• Modular structure with sanitized inputs
• One per line instructions in settings
• Custom validation messages for all block types

1.3.0

• Block email domains
• Block IP addresses

1.2.0

• Settings page under Gravity Forms

1.1.0

• Basic email blocking

1.0.0

• Initial plugin scaffolding