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Add command to generate test keys/certs (#204)
Add `generate-keys` command, which can be used to generate TLS keys/certs, and, more usefully, matrix signing keys.
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11
INSTALL.md
11
INSTALL.md
@ -71,21 +71,14 @@ Dendrite requires a postgres database engine, version 9.5 or later.
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### Crypto key generation
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Generate the keys (unlike synapse, dendrite doesn't autogen yet):
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Generate the keys:
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```bash
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# Generate a self-signed SSL cert for federation:
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test -f server.key || openssl req -x509 -newkey rsa:4096 -keyout server.key -out server.crt -days 3650 -nodes -subj /CN=localhost
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# generate ed25519 signing key
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test -f matrix_key.pem || python3 > matrix_key.pem <<EOF
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import base64;
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r = lambda n: base64.b64encode(open("/dev/urandom", "rb").read(n)).decode("utf8");
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print("-----BEGIN MATRIX PRIVATE KEY-----")
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print("Key-ID:", "ed25519:" + r(3).rstrip("="))
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print(r(32))
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print("-----END MATRIX PRIVATE KEY-----")
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EOF
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test -f matrix_key.pem || ./bin/generate-keys -private-key matrix_key.pem
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```
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### Configuration
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65
src/github.com/matrix-org/dendrite/cmd/generate-keys/main.go
Normal file
65
src/github.com/matrix-org/dendrite/cmd/generate-keys/main.go
Normal file
@ -0,0 +1,65 @@
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// Copyright 2017 Vector Creations Ltd
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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 main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"github.com/matrix-org/dendrite/common/test"
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)
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const usage = `Usage: %s
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Generate key files which are required by dendrite.
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Arguments:
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`
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var (
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tlsCertFile = flag.String("tls-cert", "", "An X509 certificate file to generate for use for TLS")
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tlsKeyFile = flag.String("tls-key", "", "An RSA private key file to generate for use for TLS")
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privateKeyFile = flag.String("private-key", "", "An Ed25519 private key to generate for use for object signing")
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)
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func main() {
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flag.Usage = func() {
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fmt.Fprintf(os.Stderr, usage, os.Args[0])
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flag.PrintDefaults()
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}
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flag.Parse()
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if *tlsCertFile != "" || *tlsKeyFile != "" {
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if *tlsCertFile == "" || *tlsKeyFile == "" {
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log.Fatal("Zero or both of --tls-key and --tls-cert must be supplied")
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}
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if err := test.NewTLSKey(*tlsKeyFile, *tlsCertFile); err != nil {
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panic(err)
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}
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fmt.Printf("Created TLS cert file: %s\n", *tlsCertFile)
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fmt.Printf("Created TLS key file: %s\n", *tlsKeyFile)
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}
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if *privateKeyFile != "" {
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if err := test.NewMatrixKey(*privateKeyFile); err != nil {
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panic(err)
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}
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fmt.Printf("Created private key file: %s\n", *privateKeyFile)
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}
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}
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@ -62,11 +62,11 @@ func MakeConfig(configDir, kafkaURI, database, host string, startPort int) (*con
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tlsKeyPath := filepath.Join(configDir, TLSCertFile)
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mediaBasePath := filepath.Join(configDir, MediaDir)
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if err := newMatrixKey(serverKeyPath); err != nil {
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if err := NewMatrixKey(serverKeyPath); err != nil {
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return nil, 0, err
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}
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if err := newTLSKey(tlsKeyPath, tlsCertPath); err != nil {
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if err := NewTLSKey(tlsKeyPath, tlsCertPath); err != nil {
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return nil, 0, err
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}
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@ -119,8 +119,8 @@ func WriteConfig(cfg *config.Dendrite, configDir string) error {
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return nil
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}
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// newMatrixKey generates a new ed25519 matrix server key and writes it to a file.
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func newMatrixKey(matrixKeyPath string) error {
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// NewMatrixKey generates a new ed25519 matrix server key and writes it to a file.
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func NewMatrixKey(matrixKeyPath string) error {
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var data [35]byte
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if _, err := rand.Read(data[:]); err != nil {
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return err
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@ -145,8 +145,8 @@ func newMatrixKey(matrixKeyPath string) error {
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const certificateDuration = time.Hour * 24 * 365 * 10
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// newTLSKey generates a new RSA TLS key and certificate and writes it to a file.
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func newTLSKey(tlsKeyPath, tlsCertPath string) error {
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// NewTLSKey generates a new RSA TLS key and certificate and writes it to a file.
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func NewTLSKey(tlsKeyPath, tlsCertPath string) error {
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priv, err := rsa.GenerateKey(rand.Reader, 4096)
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if err != nil {
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return err
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