http_proxy

A HTTP Proxy server and client written in Crystal proxy-server proxy-client http-proxy http http-server hacktoberfest
0.9.0 released

HTTP::Proxy

Crystal CI GitHub release License

A HTTP Proxy server and client written in Crystal

Installation

Add this to your application's shard.yml:

dependencies:
  http_proxy:
    github: mamantoha/http_proxy

Usage

Server

require "http_proxy"

host = "127.0.0.1"
port = 8080

server = HTTP::Proxy::Server.new

address = server.bind_tcp(host, port)
puts "Listening on http://#{address}"
server.listen
require "http_proxy"
require "option_parser"

host = "192.168.0.1"
port = 3128

OptionParser.parse! do |opts|
  opts.on("-h HOST", "--host HOST", "define host to run server") do |opt|
    host = opt
  end

  opts.on("-p PORT", "--port PORT", "define port to run server") do |opt|
    port = opt.to_i
  end
end

server = HTTP::Proxy::Server.new(handlers: [
  HTTP::LogHandler.new,
]) do |context|
  context.perform
end

address = server.bind_tcp(host, port)
puts "Listening on http://#{address}"
server.listen

Basic Authentication

server = HTTP::Proxy::Server.new(handlers: [
  HTTP::LogHandler.new,
  HTTP::Proxy::Server::BasicAuth.new("user", "passwd"),
]) do |context|
  context.request.headers.add("X-Forwarded-For", "127.0.0.1")
  context.perform
end

Client

Make request with proxy

require "http_proxy"

proxy_client = HTTP::Proxy::Client.new("127.0.0.1", 8080)

uri = URI.parse("http://httpbin.org")
client = HTTP::Client.new(uri)
client.set_proxy(proxy_client)
response = client.get("/get")

Client Authentication

uri = URI.parse("https://httpbin.org")
proxy_client = HTTP::Proxy::Client.new("127.0.0.1", 8080, username: "user", password: "passwd")

response = HTTP::Client.new(uri) do |client|
  client.set_proxy(proxy_client)
  client.get("/get")
end

puts response.status_code
puts response.body

Development

Proxy server

  • [x] Basic HTTP Proxy: GET, POST, PUT, DELETE support
  • [x] Basic HTTP Proxy: OPTIONS support
  • [x] HTTPS Proxy: CONNECT support
  • [x] Make context.request & context.response writable
  • [x] Basic Authentication
  • [ ] MITM HTTPS Proxy

Proxy client

  • [x] Basic HTTP Proxy: GET, POST, PUT, DELETE support
  • [x] Basic HTTP Proxy: OPTIONS support
  • [x] HTTPS Proxy: CONNECT support
  • [x] Basic Authentication

Contributing

  1. Fork it (https://github.com/mamantoha/http_proxy/fork)
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request

Contributors

  • bbtfr Theo Li - creator, maintainer
  • mamantoha Anton Maminov - maintainer
http_proxy:
  github: mamantoha/http_proxy
  version: ~> 0.9.0
License MIT
Crystal >= 0.36.0

Authors

Dependencies 0

Development Dependencies 1

  • ameba
    {'github' => 'crystal-ameba/ameba'}
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