62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
package server
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import (
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"crypto/tls"
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"fmt"
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"net"
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)
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// ListenerFactory is the factory function to create a listener.
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type ListenerFactory func(map[string]string) (net.Listener, map[string]string, error)
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// BuiltinListeners is the list of built-in listener types.
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var BuiltinListeners = map[string]ListenerFactory{
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"tcp": tcpListenerFactory,
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}
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// NewListener creates a new listener of the given type with the given
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// configuration. The type is looked up in the BuiltinListeners map.
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func NewListener(t string, config map[string]string) (net.Listener, map[string]string, error) {
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f, ok := BuiltinListeners[t]
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if !ok {
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return nil, nil, fmt.Errorf("unknown listener type: %s", t)
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}
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return f(config)
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}
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func listenerWrapTLS(
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ln net.Listener,
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props map[string]string,
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config map[string]string) (net.Listener, map[string]string, error) {
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props["tls"] = "disabled"
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if v, ok := config["tls_disable"]; ok && v != "" {
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return ln, props, nil
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}
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certFile, ok := config["tls_cert_file"]
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if !ok {
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return nil, nil, fmt.Errorf("'tls_cert_file' must be set")
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}
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keyFile, ok := config["tls_key_file"]
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if !ok {
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return nil, nil, fmt.Errorf("'tls_key_file' must be set")
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}
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cert, err := tls.LoadX509KeyPair(certFile, keyFile)
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if err != nil {
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return nil, nil, fmt.Errorf("error loading TLS cert: %s", err)
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}
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tlsConf := &tls.Config{}
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tlsConf.Certificates = []tls.Certificate{cert}
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tlsConf.NextProtos = []string{"http/1.1"}
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tlsConf.MinVersion = tls.VersionTLS12 // Minimum version is TLS 1.2
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ln = tls.NewListener(ln, tlsConf)
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props["tls"] = "enabled"
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return ln, props, nil
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}
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