1 files changed, 65 insertions, 0 deletions
diff --git a/modules/caddytls/pemloader.go b/modules/caddytls/pemloader.go
new file mode 100644
index 0000000..30a491c
--- /dev/null
+++ b/modules/caddytls/pemloader.go
@@ -0,0 +1,65 @@
+// Copyright 2015 Matthew Holt and The Caddy Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package caddytls
+
+import (
+	"crypto/tls"
+	"fmt"
+
+	"github.com/caddyserver/caddy/v2"
+)
+
+func init() {
+	caddy.RegisterModule(PEMLoader{})
+}
+
+// PEMLoader loads certificates and their associated keys by
+// decoding their PEM blocks directly. This has the advantage
+// of not needing to store them on disk at all.
+type PEMLoader []CertKeyPEMPair
+
+// CaddyModule returns the Caddy module information.
+func (PEMLoader) CaddyModule() caddy.ModuleInfo {
+	return caddy.ModuleInfo{
+		Name: "tls.certificates.load_pem",
+		New:  func() caddy.Module { return PEMLoader{} },
+	}
+}
+
+// CertKeyPEMPair pairs certificate and key PEM blocks.
+type CertKeyPEMPair struct {
+	CertificatePEM string   `json:"certificate"`
+	KeyPEM         string   `json:"key"`
+	Tags           []string `json:"tags,omitempty"`
+}
+
+// LoadCertificates returns the certificates contained in pl.
+func (pl PEMLoader) LoadCertificates() ([]Certificate, error) {
+	var certs []Certificate
+	for i, pair := range pl {
+		cert, err := tls.X509KeyPair([]byte(pair.CertificatePEM), []byte(pair.KeyPEM))
+		if err != nil {
+			return nil, fmt.Errorf("PEM pair %d: %v", i, err)
+		}
+		certs = append(certs, Certificate{
+			Certificate: cert,
+			Tags:        pair.Tags,
+		})
+	}
+	return certs, nil
+}
+
+// Interface guard
+var _ CertificateLoader = (PEMLoader)(nil)