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package webircgateway
import (
"context"
"strings"
"sync"
"golang.org/x/crypto/acme/autocert"
)
type LEManager struct {
// ensure only one instance of the manager and handler is running
// while allowing multiple listeners to use it
Mutex sync.Mutex
Manager *autocert.Manager
gateway *Gateway
}
func NewLetsEncryptManager(gateway *Gateway) *LEManager {
return &LEManager{gateway: gateway}
}
func (le *LEManager) Get(certCacheDir string) *autocert.Manager {
le.Mutex.Lock()
defer le.Mutex.Unlock()
// Create it if it doesn't already exist
if le.Manager == nil {
le.Manager = &autocert.Manager{
Prompt: autocert.AcceptTOS,
Cache: autocert.DirCache(strings.TrimRight(certCacheDir, "/")),
HostPolicy: func(ctx context.Context, host string) error {
le.gateway.Log(2, "Automatically requesting a HTTPS certificate for %s", host)
return nil
},
}
le.gateway.HttpRouter.Handle("/.well-known/", le.Manager.HTTPHandler(nil))
}
return le.Manager
}
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