101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
// PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
package certmanager
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/getprobo/probo/pkg/coredata"
|
|
"github.com/getprobo/probo/pkg/crypto/cipher"
|
|
"go.gearno.de/kit/log"
|
|
"go.gearno.de/kit/pg"
|
|
)
|
|
|
|
type ACMEChallengeHandler struct {
|
|
pg *pg.Client
|
|
encryptionKey cipher.EncryptionKey
|
|
logger *log.Logger
|
|
}
|
|
|
|
func NewACMEChallengeHandler(
|
|
pg *pg.Client,
|
|
encryptionKey cipher.EncryptionKey,
|
|
logger *log.Logger,
|
|
) *ACMEChallengeHandler {
|
|
return &ACMEChallengeHandler{
|
|
pg: pg,
|
|
encryptionKey: encryptionKey,
|
|
logger: logger.Named("certmanager.acme-challenge-handler"),
|
|
}
|
|
}
|
|
|
|
func (h *ACMEChallengeHandler) Handle(next http.Handler) http.Handler {
|
|
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
if !strings.HasPrefix(r.URL.Path, "/.well-known/acme-challenge/") {
|
|
next.ServeHTTP(w, r)
|
|
return
|
|
}
|
|
|
|
token := strings.TrimPrefix(r.URL.Path, "/.well-known/acme-challenge/")
|
|
if token == "" {
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
|
|
keyAuth, err := h.getKeyAuthForToken(r.Context(), token)
|
|
if err != nil {
|
|
h.logger.WarnCtx(
|
|
r.Context(),
|
|
"cannot get key auth for token",
|
|
log.String("token", token),
|
|
log.Error(err),
|
|
)
|
|
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "text/plain")
|
|
w.WriteHeader(http.StatusOK)
|
|
w.Write([]byte(keyAuth))
|
|
})
|
|
}
|
|
|
|
func (h *ACMEChallengeHandler) getKeyAuthForToken(ctx context.Context, token string) (string, error) {
|
|
var keyAuth string
|
|
|
|
err := h.pg.WithConn(
|
|
ctx,
|
|
func(conn pg.Conn) error {
|
|
domain := &coredata.CustomDomain{}
|
|
if err := domain.LoadByHTTPChallengeToken(ctx, conn, coredata.NewNoScope(), h.encryptionKey, token); err != nil {
|
|
return err
|
|
}
|
|
|
|
if domain.HTTPChallengeKeyAuth == nil {
|
|
return http.ErrNotSupported
|
|
}
|
|
|
|
keyAuth = *domain.HTTPChallengeKeyAuth
|
|
|
|
return nil
|
|
},
|
|
)
|
|
|
|
return keyAuth, err
|
|
}
|