mirror of https://github.com/caddyserver/caddy
77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package caddytls
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import (
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"crypto/x509"
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"fmt"
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"github.com/caddyserver/caddy/v2"
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)
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func init() {
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caddy.RegisterModule(LeafPEMLoader{})
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}
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// LeafPEMLoader loads leaf certificates by
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// decoding their PEM blocks directly. This has the advantage
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// of not needing to store them on disk at all.
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type LeafPEMLoader struct {
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Certificates []string `json:"certificates,omitempty"`
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}
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// Provision implements caddy.Provisioner.
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func (pl *LeafPEMLoader) Provision(ctx caddy.Context) error {
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repl, ok := ctx.Value(caddy.ReplacerCtxKey).(*caddy.Replacer)
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if !ok {
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repl = caddy.NewReplacer()
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}
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for i, cert := range pl.Certificates {
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pl.Certificates[i] = repl.ReplaceKnown(cert, "")
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}
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return nil
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}
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// CaddyModule returns the Caddy module information.
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func (LeafPEMLoader) CaddyModule() caddy.ModuleInfo {
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return caddy.ModuleInfo{
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ID: "tls.leaf_cert_loader.pem",
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New: func() caddy.Module { return new(LeafPEMLoader) },
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}
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}
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// LoadLeafCertificates returns the certificates contained in pl.
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func (pl LeafPEMLoader) LoadLeafCertificates() ([]*x509.Certificate, error) {
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certs := make([]*x509.Certificate, 0, len(pl.Certificates))
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for i, cert := range pl.Certificates {
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derBytes, err := convertPEMToDER([]byte(cert))
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if err != nil {
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return nil, fmt.Errorf("PEM leaf certificate loader, cert %d: %v", i, err)
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}
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cert, err := x509.ParseCertificate(derBytes)
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if err != nil {
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return nil, fmt.Errorf("PEM cert %d: %v", i, err)
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}
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certs = append(certs, cert)
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}
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return certs, nil
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}
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// Interface guard
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var (
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_ LeafCertificateLoader = (*LeafPEMLoader)(nil)
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_ caddy.Provisioner = (*LeafPEMLoader)(nil)
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)
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