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Mitmproxy implemented with golang. Intercept HTTP & HTTPS requests and responses and modify them.

Features

• Intercept HTTP & HTTPS requests and responses and modify them on the fly
• SSL/TLS certificates for interception are generated on the fly
• Certificates logic compatible with mitmproxy, saved at ~/.mitmproxy. If you used mitmproxy before and installed certificates, then you can use this go-mitmproxy directly
• Addon mechanism, you can add your functions easily, refer to addon/addon.go
• Performance advantages
  • Golang's inherent performance advantages
  • Forwarding and parsing HTTPS traffic in process memory without inter-process communication such as tcp port or unix socket
  • Use LRU cache when generating certificates of different domain names to avoid double counting
• Support Wireshark to analyze traffic through the environment variable SSLKEYLOGFILE
• Support streaming when uploading/downloading large files
• Web interface

Install

GO111MODULE=on go get -u github.com/lqqyt2423/go-mitmproxy/cmd/go-mitmproxy

Usage

Startup

After startup, the HTTP proxy address defaults to port 9080, and the web interface defaults to port 9081.

After the first startup, the SSL/TLS certificate will be automatically generated at ~/.mitmproxy/mitmproxy-ca-cert.pem. You can refer to this link to install: About Certificates.

Help

Usage of go-mitmproxy:
  -addr string
    	proxy listen addr (default ":9080")
  -dump string
    	dump filename
  -dump_level int
    	dump level: 0 - header, 1 - header + body
  -version
    	show version
  -web_addr string
    	web interface listen addr (default ":9081")

Usage as package

Refer to cmd/go-mitmproxy/main.go, you can add your own addon by call AddAddon method.

For more examples, please refer to examples

Web interface

TODO

• Support http2
• Support parse websocket

License

MIT License