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main.go
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main.go
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package main
import (
"flag"
"net/http"
"net/http/httputil"
"net/url"
"time"
"github.com/rs/zerolog/log"
)
var (
proxy http.Handler
server *http.Server
tlsCert, tlsKey string
)
func init() {
var proxyURL string
var readTimeout time.Duration
var writeTimeout time.Duration
var addr string
flag.StringVar(&proxyURL, "target", "http://localhost:8081", "URL to proxy requests to")
flag.StringVar(&addr, "addr", "0.0.0.0:8080", "Address to bind for incoming requests")
flag.DurationVar(&readTimeout, "read-timeout", time.Minute, "How long to wait for the first read")
flag.DurationVar(&writeTimeout, "write-timeout", time.Minute, "How long to wait for the first write")
flag.StringVar(&tlsCert, "cert", "/etc/bouncer/tls/tls.cert", "TLS Certificate")
flag.StringVar(&tlsKey, "key", "/etc/bouncer/tls/tls.key", "TLS Certificate")
flag.Parse()
targetURL, err := url.Parse(proxyURL)
if err != nil {
panic(err.Error())
}
proxy = httputil.NewSingleHostReverseProxy(targetURL)
server = &http.Server{
Addr: addr,
ReadTimeout: readTimeout,
WriteTimeout: writeTimeout,
MaxHeaderBytes: 1 * 1024 * 1024 * 1024,
}
}
func main() {
http.HandleFunc(BounceCheckPath, CheckAccess)
http.HandleFunc("/", Bounce)
log.Info().Str("Addr", server.Addr).Msg("Starting server")
err := server.ListenAndServeTLS(tlsCert, tlsKey)
if err != nil {
log.Fatal().Err(err).Msg("Unexpected server exit")
} else {
log.Info().Msg("Clean server exit")
}
}