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tls.go
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tls.go
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package crypto
import (
"context"
"crypto/tls"
"crypto/x509"
"errors"
"github.com/pydio/cells/v4/common/crypto/storage"
"github.com/pydio/cells/v4/common/runtime"
"net/url"
)
const (
KeyCertStoreName = "tlsCertStoreName"
KeyCertInsecureHost = "tlsCertInsecureHost"
KeyCertUUID = "tlsCertUUID"
KeyCertKeyUUID = "tlsCertKeyUUID"
KeyCertCAUUID = "tlsCertCAUUID"
)
func TLSConfigFromURL(u *url.URL) (*tls.Config, error) {
var done bool
conf := &tls.Config{}
q := u.Query()
ctx := context.Background()
store, err := storage.OpenStore(ctx, runtime.CertsStoreURL())
if err != nil {
return nil, err
}
if certUUID := q.Get(KeyCertUUID); certUUID != "" {
var certs []tls.Certificate
clientCertBlock, err := store.Load(ctx, certUUID)
if err != nil {
return nil, err
}
var clientCertKeyBlock []byte
if certKeyUUID := q.Get(KeyCertKeyUUID); certKeyUUID != "" {
block, err := store.Load(ctx, certKeyUUID)
if err != nil {
return nil, err
}
clientCertKeyBlock = block
} else {
block, err := store.Load(ctx, certUUID+"-key")
if err != nil {
return nil, err
}
clientCertKeyBlock = block
}
cert, err := tls.X509KeyPair(clientCertBlock, clientCertKeyBlock)
if err != nil {
return nil, err
}
certs = append(certs, cert)
if len(certs) > 0 {
conf.Certificates = certs
}
done = true
}
if certStoreName := q.Get(KeyCertStoreName); certStoreName != "" {
conf.ServerName = certStoreName
done = true
}
if q.Has(KeyCertInsecureHost) {
conf.InsecureSkipVerify = true
}
if certCAUUID := q.Get(KeyCertCAUUID); certCAUUID != "" {
caBlock, err := store.Load(ctx, certCAUUID)
if err != nil {
return nil, err
}
caCertPool := x509.NewCertPool()
successful := caCertPool.AppendCertsFromPEM(caBlock)
if !successful {
return nil, errors.New("failed to parse ca certificate as PEM encoded content")
}
conf.RootCAs = caCertPool
done = true
}
if !done {
return nil, nil
}
return conf, nil
}