mirror of
https://github.com/caddyserver/caddy.git
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90 lines
2.5 KiB
Go
90 lines
2.5 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/tls"
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"fmt"
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"os"
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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(FileLoader{})
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}
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// FileLoader loads certificates and their associated keys from disk.
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type FileLoader []CertKeyFilePair
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// CaddyModule returns the Caddy module information.
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func (FileLoader) CaddyModule() caddy.ModuleInfo {
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return caddy.ModuleInfo{
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ID: "tls.certificates.load_files",
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New: func() caddy.Module { return new(FileLoader) },
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}
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}
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// CertKeyFilePair pairs certificate and key file names along with their
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// encoding format so that they can be loaded from disk.
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type CertKeyFilePair struct {
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// Path to the certificate (public key) file.
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Certificate string `json:"certificate"`
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// Path to the private key file.
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Key string `json:"key"`
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// The format of the cert and key. Can be "pem". Default: "pem"
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Format string `json:"format,omitempty"`
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// Arbitrary values to associate with this certificate.
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// Can be useful when you want to select a particular
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// certificate when there may be multiple valid candidates.
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Tags []string `json:"tags,omitempty"`
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}
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// LoadCertificates returns the certificates to be loaded by fl.
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func (fl FileLoader) LoadCertificates() ([]Certificate, error) {
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certs := make([]Certificate, 0, len(fl))
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for _, pair := range fl {
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certData, err := os.ReadFile(pair.Certificate)
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if err != nil {
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return nil, err
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}
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keyData, err := os.ReadFile(pair.Key)
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if err != nil {
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return nil, err
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}
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var cert tls.Certificate
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switch pair.Format {
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case "":
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fallthrough
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case "pem":
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cert, err = tls.X509KeyPair(certData, keyData)
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default:
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return nil, fmt.Errorf("unrecognized certificate/key encoding format: %s", pair.Format)
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}
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if err != nil {
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return nil, err
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}
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certs = append(certs, Certificate{Certificate: cert, Tags: pair.Tags})
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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 _ CertificateLoader = (FileLoader)(nil)
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