From 3fbe728d9498ae59d0ee301fb9c11419566c57f8 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Mon, 19 Jun 2017 12:56:55 +0100 Subject: [PATCH] Add utility functions for generating dendrite configs for integration tests (#142) --- .../matrix-org/dendrite/common/test/config.go | 193 ++++++++++++++++++ 1 file changed, 193 insertions(+) create mode 100644 src/github.com/matrix-org/dendrite/common/test/config.go diff --git a/src/github.com/matrix-org/dendrite/common/test/config.go b/src/github.com/matrix-org/dendrite/common/test/config.go new file mode 100644 index 000000000..8c957e77a --- /dev/null +++ b/src/github.com/matrix-org/dendrite/common/test/config.go @@ -0,0 +1,193 @@ +// Copyright 2017 Vector Creations Ltd +// +// 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 test + +import ( + "crypto/rand" + "crypto/rsa" + "crypto/x509" + "encoding/base64" + "encoding/pem" + "fmt" + "github.com/matrix-org/dendrite/common/config" + "github.com/matrix-org/gomatrixserverlib" + "gopkg.in/yaml.v2" + "io/ioutil" + "math/big" + "os" + "path/filepath" + "time" +) + +const ( + // ConfigFile is the name of the config file for a server. + ConfigFile = "dendrite.yaml" + // ServerKeyFile is the name of the file holding the matrix server private key. + ServerKeyFile = "server_key.pem" + // TLSCertFile is the name of the file holding the TLS certificate used for federation. + TLSCertFile = "tls_cert.pem" + // TLSKeyFile is the name of the file holding the TLS key used for federation. + TLSKeyFile = "tls_key.pem" + // MediaDir is the name of the directory used to store media. + MediaDir = "media" +) + +// MakeConfig makes a config suitable for running integration tests. +// Generates new matrix and TLS keys for the server. +func MakeConfig(configDir, kafkaURI, database, host string, startPort int) (*config.Dendrite, int, error) { + var cfg config.Dendrite + + port := startPort + assignAddress := func() config.Address { + result := config.Address(fmt.Sprintf("%s:%d", host, port)) + port++ + return result + } + + serverKeyPath := filepath.Join(configDir, ServerKeyFile) + tlsCertPath := filepath.Join(configDir, TLSKeyFile) + tlsKeyPath := filepath.Join(configDir, TLSCertFile) + mediaBasePath := filepath.Join(configDir, MediaDir) + + if err := newMatrixKey(serverKeyPath); err != nil { + return nil, 0, err + } + + if err := newTLSKey(tlsKeyPath, tlsCertPath); err != nil { + return nil, 0, err + } + + cfg.Version = config.Version + + cfg.Matrix.ServerName = gomatrixserverlib.ServerName(assignAddress()) + cfg.Matrix.PrivateKeyPath = config.Path(serverKeyPath) + cfg.Matrix.FederationCertificatePaths = []config.Path{config.Path(tlsCertPath)} + + cfg.Media.BasePath = config.Path(mediaBasePath) + + cfg.Kafka.Addresses = []string{kafkaURI} + // TODO: Different servers should be using different topics. + // Make this configurable somehow? + cfg.Kafka.Topics.InputRoomEvent = "test.room.input" + cfg.Kafka.Topics.OutputRoomEvent = "test.room.output" + + // TODO: Use different databases for the different schemas. + // Using the same database for every schema currently works because + // the table names are globally unique. But we might not want to + // rely on that in the future. + cfg.Database.Account = config.DataSource(database) + cfg.Database.Device = config.DataSource(database) + cfg.Database.MediaAPI = config.DataSource(database) + cfg.Database.RoomServer = config.DataSource(database) + cfg.Database.ServerKey = config.DataSource(database) + cfg.Database.SyncAPI = config.DataSource(database) + + cfg.Listen.ClientAPI = assignAddress() + cfg.Listen.FederationAPI = assignAddress() + cfg.Listen.MediaAPI = assignAddress() + cfg.Listen.RoomServer = assignAddress() + cfg.Listen.SyncAPI = assignAddress() + + return &cfg, port, nil +} + +// WriteConfig writes the config file to the directory. +func WriteConfig(cfg *config.Dendrite, configDir string) error { + data, err := yaml.Marshal(cfg) + if err != nil { + return err + } + if err = ioutil.WriteFile(filepath.Join(configDir, ConfigFile), data, 0666); err != nil { + return err + } + return nil +} + +// newMatrixKey generates a new ed25519 matrix server key and writes it to a file. +func newMatrixKey(matrixKeyPath string) error { + var data [35]byte + if _, err := rand.Read(data[:]); err != nil { + return err + } + keyOut, err := os.OpenFile(matrixKeyPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) + if err != nil { + return err + } + defer keyOut.Close() + if err = pem.Encode(keyOut, &pem.Block{ + Type: "MATRIX PRIVATE KEY", + Headers: map[string]string{ + "Key-ID": "ed25519:" + base64.RawStdEncoding.EncodeToString(data[:3]), + }, + Bytes: data[3:], + }); err != nil { + return err + } + + return nil +} + +const certificateDuration = time.Hour * 24 * 365 * 10 + +// newTLSKey generates a new RSA TLS key and certificate and writes it to a file. +func newTLSKey(tlsKeyPath, tlsCertPath string) error { + priv, err := rsa.GenerateKey(rand.Reader, 4096) + if err != nil { + return err + } + + notBefore := time.Now() + notAfter := notBefore.Add(certificateDuration) + serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) + serialNumber, err := rand.Int(rand.Reader, serialNumberLimit) + if err != nil { + return err + } + + template := x509.Certificate{ + SerialNumber: serialNumber, + NotBefore: notBefore, + NotAfter: notAfter, + KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature, + ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, + BasicConstraintsValid: true, + } + derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv) + if err != nil { + return err + } + certOut, err := os.Create(tlsCertPath) + if err != nil { + return err + } + defer certOut.Close() + if err = pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil { + return err + } + + keyOut, err := os.OpenFile(tlsKeyPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) + if err != nil { + return err + } + defer keyOut.Close() + if err = pem.Encode(keyOut, &pem.Block{ + Type: "RSA PRIVATE KEY", + Bytes: x509.MarshalPKCS1PrivateKey(priv), + }); err != nil { + return err + } + + return nil +}