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https://github.com/jamesmoriarty/forward-proxy

Minimal HTTP(S) forward proxy using 150LOC and only standard libraries.
https://github.com/jamesmoriarty/forward-proxy

forward-proxy forwardproxy http http-connect http-proxy https proxy proxy-server ruby tinycode

Last synced: 7 days ago
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Minimal HTTP(S) forward proxy using 150LOC and only standard libraries.

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# ForwardProxy

![Gem Version][3] ![Gem][1] ![Build Status][2]

Minimal forward proxy using 150LOC and only standard libraries. Useful for development, testing, and teaching.

```
$ forward-proxy --binding 0.0.0.0 --port 3182 --threads 2
I, [2021-07-04T10:33:32.947653 #1790] INFO -- : Listening 0.0.0.0:3182
I, [2021-07-04T10:33:32.998298 #1790] INFO -- : CONNECT raw.githubusercontent.com:443 HTTP/1.1
```

## Features

- Supports HTTPS `CONNECT` tunneling and HTTP `GET`, `POST`, and `HEAD` proxy request methods.
- Configurable client connection thread pool and timeout.
- `Transfer-Encoding: chunked` and response streaming.
- Automated tests.

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'forward-proxy'
```

And then execute:

$ bundle install

Or install it yourself as:

$ gem install forward-proxy

## Usage

### CLI

```
forward-proxy
```

```
Usage: forward-proxy [options]
-p, --port=PORT Bind to specified port. Default: 9292
-b, --binding=BINDING Bind to the specified ip. Default: 127.0.0.1
-t, --timeout=TIMEOUT Specify the connection timeout in seconds. Default: 300
-c, --threads=THREADS Specify the number of client threads. Default: 128
-h, --help Prints this help.
```

### Library

```ruby
require 'forward_proxy'

proxy = ForwardProxy::Server.new(
bind_address: "127.0.0.1",
bind_port: 3000
)

proxy.start
```

## Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).

## Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/jamesmoriarty/forward-proxy. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [code of conduct](https://github.com/jamesmoriarty/forward-proxy/blob/master/CODE_OF_CONDUCT.md).

## License

The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).

## Code of Conduct

Everyone interacting in the ForwardProxy project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/jamesmoriarty/forward-proxy/blob/master/CODE_OF_CONDUCT.md).

[1]: https://img.shields.io/gem/dt/forward-proxy
[2]: https://github.com/jamesmoriarty/forward-proxy/workflows/Continuous%20Integration/badge.svg?branch=main
[3]: https://img.shields.io/gem/v/forward-proxy