smartproxy/changelog.md

# Changelog

## 2025-02-21 - 3.7.0 - feat(PortProxy)
Add optional source IP preservation support in PortProxy

- Added a feature to optionally preserve the client's source IP when proxying connections.
- Enhanced test cases to include scenarios for source IP preservation.

## 2025-02-21 - 3.6.0 - feat(PortProxy)
Add feature to preserve original client IP through chained proxies

- Added support to bind local address in PortProxy to preserve original client IP.
- Implemented test for chained proxies to ensure client IP is preserved.

## 2025-02-21 - 3.5.0 - feat(PortProxy)
Enhance PortProxy to support domain-specific target IPs

- Introduced support for domain-specific target IP configurations in PortProxy.
- Updated connection handling to prioritize domain-specific target IPs if provided.
- Added tests to verify forwarding based on domain-specific target IPs.

## 2025-02-21 - 3.4.4 - fix(PortProxy)
Fixed handling of SNI domain connections and IP allowance checks

- Improved logic for handling SNI domain checks, ensuring IPs are correctly verified.
- Fixed issue where default allowed IPs were not being checked correctly for non-SNI connections.
- Revised the SNICallback behavior to handle connections more gracefully when domain configurations are unavailable.

## 2025-02-21 - 3.4.3 - fix(PortProxy)
Fixed indentation issue and ensured proper cleanup of sockets in PortProxy

- Fixed inconsistent indentation in IP allowance check.
- Ensured proper cleanup of sockets on connection end in PortProxy.

## 2025-02-21 - 3.4.2 - fix(smartproxy)
Enhance SSL/TLS handling with SNI and error logging

- Improved handling for SNI-enabled and non-SNI connections
- Added detailed logging for connection establishment and rejections
- Introduced error logging for TLS client errors and server errors

## 2025-02-21 - 3.4.1 - fix(PortProxy)
Normalize IP addresses for port proxy to handle IPv4-mapped IPv6 addresses.

- Improved IP normalization logic in PortProxy to support IPv4-mapped IPv6 addresses.
- Updated isAllowed function to expand patterns for better matching accuracy.

## 2025-02-21 - 3.4.0 - feat(PortProxy)
Enhanced PortProxy with custom target host and improved testing

- PortProxy constructor now accepts 'fromPort', 'toPort', and optional 'toHost' directly from settings
- Refactored test cases to cover forwarding to the custom host
- Added support to handle multiple concurrent connections
- Refactored internal connection handling logic to utilize default configurations

## 2025-02-21 - 3.3.1 - fix(PortProxy)
fixed import usage of net and tls libraries for PortProxy

- Corrected the use of plugins for importing 'tls' and 'net' libraries in the PortProxy module.
- Updated the constructor of PortProxy to accept combined tls options with ProxySettings.

## 2025-02-21 - 3.3.0 - feat(PortProxy)
Enhanced PortProxy with domain and IP filtering, SNI support, and minimatch integration

- Added new ProxySettings interface to configure domain patterns, SNI, and default allowed IPs.
- Integrated minimatch to filter allowed IPs and domains.
- Enabled SNI support for PortProxy connections.
- Updated port proxy test to accommodate new settings.

## 2025-02-04 - 3.2.0 - feat(testing)
Added a comprehensive test suite for the PortProxy class

- Set up a test environment for PortProxy using net.Server.
- Test coverage includes starting and stopping the proxy, handling TCP connections, concurrent connections, and timeouts.
- Ensures proper resource cleanup after tests.

## 2025-02-04 - 3.1.4 - fix(core)
No uncommitted changes. Preparing for potential minor improvements or bug fixes.


## 2025-02-04 - 3.1.3 - fix(networkproxy)
Refactor and improve WebSocket handling and request processing

- Improved error handling in WebSocket connection and request processing.
- Refactored the WebSocket handling in NetworkProxy to use a unified error logging mechanism.

## 2025-02-04 - 3.1.2 - fix(core)
Refactor certificate handling across the project

- Moved certificate keys and certs to the assets/certs directory.
- Updated test utilities to load certificates from the central location.
- Cleaned up redundant code and improved error logging regarding certificates.
- Ensured correct handling of host header in ProxyRouter class.

## 2025-02-03 - 3.1.1 - fix(workflow)
Update Gitea workflow paths and dependencies

- Updated registry paths for npmci image and repositories in Gitea workflow files.
- Fixed dependency paths in package.json.
- Completed adding typescript to the list of devDependencies.

## 2024-10-07 - 3.1.0 - feat(NetworkProxy)
Introduce WebSocket heartbeat to maintain active connections in NetworkProxy

- Added heartbeat mechanism to WebSocket connections to ensure they remain active.
- Terminating WebSocket if no pong is received for 5 minutes.
- Set up heartbeat interval to run every 1 minute for connection checks.

## 2024-10-07 - 3.0.61 - fix(networkproxy)
Improve error handling for proxy requests

- Wrapped proxy request logic in a try-catch block to handle errors gracefully.
- Improved error handling for WebSocket communication by checking errors before attempting to send messages.
- Added logging for error cases to aid in debugging.

## 2024-05-29 - 3.0.60 - various updates
Maintenance updates and adjustments.

- Updated project description
- Updated tsconfig settings
- Updated npmextra.json with new githost info

## 2023-07-27 - 3.0.58 to 3.0.59 - core improvements
Improvements and internal restructuring.

- Switch to a new organizational scheme
- Core updates and adjustments

## 2022-07-29 - 2.0.16 to 3.0.0 - major transition
This release marks a major transition with several breaking changes.

- BREAKING CHANGE: switched core to ESM (EcmaScript Module)
- Major core updates