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Support terminating TLS #179

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Support terminating TLS #179

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46 changes: 30 additions & 16 deletions cmd/aws-sigv4-proxy/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,9 @@ var (
idleConnTimeout = kingpin.Flag("transport.idle-conn-timeout", "Idle timeout to the upstream service").Default("40s").Duration()
schemeOverride = kingpin.Flag("upstream-url-scheme", "Protocol to proxy with").String()
unsignedPayload = kingpin.Flag("unsigned-payload", "Prevent signing of the payload").Default("false").Bool()
enableTLS = kingpin.Flag("enable-tls", "Enable TLS").Default("false").Bool()
tlsCertFile = kingpin.Flag("tls-cert-file", "TLS certificate file path").String()
tlsKeyFile = kingpin.Flag("tls-key-file", "TLS key file path").String()
)

type awsLoggerAdapter struct {
Expand Down Expand Up @@ -104,7 +107,7 @@ func main() {
} else {
credentials = session.Config.Credentials
}

signer := v4.NewSigner(credentials, func(s *v4.Signer) {
if shouldLogSigning() {
s.Logger = awsLoggerAdapter{}
Expand All @@ -121,21 +124,32 @@ func main() {
log.WithFields(log.Fields{"StripHeaders": *strip}).Infof("Stripping headers %s", *strip)
log.WithFields(log.Fields{"port": *port}).Infof("Listening on %s", *port)

log.Fatal(
http.ListenAndServe(*port, &handler.Handler{
ProxyClient: &handler.ProxyClient{
Signer: signer,
Client: client,
StripRequestHeaders: *strip,
SigningNameOverride: *signingNameOverride,
SigningHostOverride: *signingHostOverride,
HostOverride: *hostOverride,
RegionOverride: *regionOverride,
LogFailedRequest: *logFailedResponse,
SchemeOverride: *schemeOverride,
},
}),
)
handler := &handler.Handler{
ProxyClient: &handler.ProxyClient{
Signer: signer,
Client: client,
StripRequestHeaders: *strip,
SigningNameOverride: *signingNameOverride,
SigningHostOverride: *signingHostOverride,
HostOverride: *hostOverride,
RegionOverride: *regionOverride,
LogFailedRequest: *logFailedResponse,
SchemeOverride: *schemeOverride,
},
}

if *enableTLS {
if *tlsCertFile == "" || *tlsKeyFile == "" {
log.Fatal("TLS enabled but tls-cert-file or tls-key-file flag not specified")
}
log.Fatal(
http.ListenAndServeTLS(*port, *tlsCertFile, *tlsKeyFile, handler),
)
} else {
log.Fatal(
http.ListenAndServe(*port, handler),
)
}
}

func shouldLogSigning() bool {
Expand Down