Created
November 9, 2020 21:04
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Reverse proxy ignoring TLS
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module github.com/bombsimon/reverse-proxy | |
go 1.15 |
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package main | |
import ( | |
"crypto/tls" | |
"log" | |
"net/http" | |
"net/http/httputil" | |
"net/url" | |
) | |
// MyRoundTripper represents a custom round tripper. | |
type MyRoundTripper struct { | |
RoundTripper http.RoundTripper | |
} | |
// RoundTrip implements the RoundTripper interface. | |
func (mrt MyRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) { | |
newReq := *req | |
newReq.Header = req.Header.Clone() | |
return mrt.RoundTripper.RoundTrip(&newReq) | |
} | |
func main() { | |
proxy := &httputil.ReverseProxy{ | |
Director: func(r *http.Request) { | |
target := "https://self-signed.badssl.com/" | |
remoteURL, err := url.Parse(target) | |
if err != nil { | |
panic(err) | |
} | |
r.Host = remoteURL.Host | |
r.URL.Scheme = "https" | |
r.URL.Host = remoteURL.Host | |
}, | |
Transport: MyRoundTripper{ | |
RoundTripper: &http.Transport{ | |
TLSClientConfig: &tls.Config{ | |
InsecureSkipVerify: true, //nolint:gosec // POC | |
}, | |
}, | |
}, | |
} | |
server := &http.Server{ | |
Addr: ":8080", | |
Handler: proxy, | |
} | |
log.Printf("Starting server on port: %d", 8080) | |
log.Fatal(server.ListenAndServe()) | |
} |
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