Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Mirrored from https://github.com/Slazee/caddy.git
Synced Nov 11, 01:00 UTC
| 1 | // Copyright 2015 Matthew Holt and The Caddy Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package caddytls |
| 16 | |
| 17 | import ( |
| 18 | "crypto/tls" |
| 19 | "fmt" |
| 20 | |
| 21 | "github.com/caddyserver/caddy/v2" |
| 22 | ) |
| 23 | |
| 24 | func init() { |
| 25 | caddy.RegisterModule(PEMLoader{}) |
| 26 | } |
| 27 | |
| 28 | // PEMLoader loads certificates and their associated keys by |
| 29 | // decoding their PEM blocks directly. This has the advantage |
| 30 | // of not needing to store them on disk at all. |
| 31 | type PEMLoader []CertKeyPEMPair |
| 32 | |
| 33 | // Provision implements caddy.Provisioner. |
| 34 | func (pl PEMLoader) Provision(ctx caddy.Context) error { |
| 35 | repl, ok := ctx.Value(caddy.ReplacerCtxKey).(*caddy.Replacer) |
| 36 | if !ok { |
| 37 | repl = caddy.NewReplacer() |
| 38 | } |
| 39 | for k, pair := range pl { |
| 40 | for i, tag := range pair.Tags { |
| 41 | pair.Tags[i] = repl.ReplaceKnown(tag, "") |
| 42 | } |
| 43 | pl[k] = CertKeyPEMPair{ |
| 44 | CertificatePEM: repl.ReplaceKnown(pair.CertificatePEM, ""), |
| 45 | KeyPEM: repl.ReplaceKnown(pair.KeyPEM, ""), |
| 46 | Tags: pair.Tags, |
| 47 | } |
| 48 | } |
| 49 | return nil |
| 50 | } |
| 51 | |
| 52 | // CaddyModule returns the Caddy module information. |
| 53 | func (PEMLoader) CaddyModule() caddy.ModuleInfo { |
| 54 | return caddy.ModuleInfo{ |
| 55 | ID: "tls.certificates.load_pem", |
| 56 | New: func() caddy.Module { return new(PEMLoader) }, |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | // CertKeyPEMPair pairs certificate and key PEM blocks. |
| 61 | type CertKeyPEMPair struct { |
| 62 | // The certificate (public key) in PEM format. |
| 63 | CertificatePEM string `json:"certificate"` |
| 64 | |
| 65 | // The private key in PEM format. |
| 66 | KeyPEM string `json:"key"` |
| 67 | |
| 68 | // Arbitrary values to associate with this certificate. |
| 69 | // Can be useful when you want to select a particular |
| 70 | // certificate when there may be multiple valid candidates. |
| 71 | Tags []string `json:"tags,omitempty"` |
| 72 | } |
| 73 | |
| 74 | // LoadCertificates returns the certificates contained in pl. |
| 75 | func (pl PEMLoader) LoadCertificates() ([]Certificate, error) { |
| 76 | certs := make([]Certificate, 0, len(pl)) |
| 77 | for i, pair := range pl { |
| 78 | cert, err := tls.X509KeyPair([]byte(pair.CertificatePEM), []byte(pair.KeyPEM)) |
| 79 | if err != nil { |
| 80 | return nil, fmt.Errorf("PEM pair %d: %v", i, err) |
| 81 | } |
| 82 | certs = append(certs, Certificate{ |
| 83 | Certificate: cert, |
| 84 | Tags: pair.Tags, |
| 85 | }) |
| 86 | } |
| 87 | return certs, nil |
| 88 | } |
| 89 | |
| 90 | // Interface guard |
| 91 | var ( |
| 92 | _ CertificateLoader = PEMLoader(nil) |
| 93 | _ caddy.Provisioner = PEMLoader(nil) |
| 94 | ) |