From 5a19db5dc2db7c02d0f99630a07a64cacb7f7b44 Mon Sep 17 00:00:00 2001
From: Matt Holt <mholt@users.noreply.github.com>
Date: Fri, 13 Mar 2020 11:06:08 -0600
Subject: v2: Implement 'pki' app powered by Smallstep for localhost
 certificates (#3125)

* pki: Initial commit of PKI app (WIP) (see #2502 and #3021)

* pki: Ability to use root/intermediates, and sign with root

* pki: Fix benign misnamings left over from copy+paste

* pki: Only install root if not already trusted

* Make HTTPS port the default; all names use auto-HTTPS; bug fixes

* Fix build - what happened to our CI tests??

* Fix go.mod
---
 modules/caddypki/certificates.go | 50 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 modules/caddypki/certificates.go

(limited to 'modules/caddypki/certificates.go')

diff --git a/modules/caddypki/certificates.go b/modules/caddypki/certificates.go
new file mode 100644
index 0000000..a55c165
--- /dev/null
+++ b/modules/caddypki/certificates.go
@@ -0,0 +1,50 @@
+// 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 caddypki
+
+import (
+	"crypto/x509"
+	"time"
+
+	"github.com/smallstep/cli/crypto/x509util"
+)
+
+func generateRoot(commonName string) (rootCrt *x509.Certificate, privateKey interface{}, err error) {
+	rootProfile, err := x509util.NewRootProfile(commonName)
+	if err != nil {
+		return
+	}
+	rootProfile.Subject().NotAfter = time.Now().Add(defaultRootLifetime) // TODO: make configurable
+	return newCert(rootProfile)
+}
+
+func generateIntermediate(commonName string, rootCrt *x509.Certificate, rootKey interface{}) (cert *x509.Certificate, privateKey interface{}, err error) {
+	interProfile, err := x509util.NewIntermediateProfile(commonName, rootCrt, rootKey)
+	if err != nil {
+		return
+	}
+	interProfile.Subject().NotAfter = time.Now().Add(defaultIntermediateLifetime) // TODO: make configurable
+	return newCert(interProfile)
+}
+
+func newCert(profile x509util.Profile) (cert *x509.Certificate, privateKey interface{}, err error) {
+	certBytes, err := profile.CreateCertificate()
+	if err != nil {
+		return
+	}
+	privateKey = profile.SubjectPrivateKey()
+	cert, err = x509.ParseCertificate(certBytes)
+	return
+}
-- 
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