/
ejabberd.go
253 lines (228 loc) · 6.88 KB
/
ejabberd.go
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// Copyright 2020 The Mellium Contributors.
// Use of this source code is governed by the BSD 2-clause
// license that can be found in the LICENSE file.
// Package ejabberd facilitates integration testing against Ejabberd.
package ejabberd // import "mellium.im/xmpp/internal/integration/ejabberd"
import (
"context"
"fmt"
"io"
"net"
"os/exec"
"path/filepath"
"testing"
"mellium.im/xmpp/internal/integration"
"mellium.im/xmpp/jid"
)
const (
cfgFileName = "ejabberd.yml"
cmdName = "ejabberdctl"
configFlag = "--config-dir"
logsFlag = "--logs"
spoolFlag = "--spool"
)
// New creates a new, unstarted, ejabberd daemon.
//
// The provided context is used to kill the process (by calling os.Process.Kill)
// if the context becomes done before the command completes on its own.
func New(ctx context.Context, opts ...integration.Option) (*integration.Cmd, error) {
opts = append(opts, foreground)
cmd, err := integration.New(
ctx, cmdName,
opts...,
)
return cmd, err
}
// ConfigFile is an option that can be used to write a temporary Ejabberd config
// file.
// This will overwrite the existing config file and make most of the other
// options in this package noops.
// This option only exists for the rare occasion that you need complete control
// over the config file.
func ConfigFile(cfg Config) integration.Option {
return func(cmd *integration.Cmd) error {
cmd.Config = cfg
err := integration.TempFile(cfgFileName, func(cmd *integration.Cmd, w io.Writer) error {
return cfgTmpl.Execute(w, struct {
Config
ConfigDir string
}{
Config: cfg,
ConfigDir: cmd.ConfigDir(),
})
})(cmd)
if err != nil {
return err
}
err = integration.Args(configFlag, cmd.ConfigDir())(cmd)
if err != nil {
return err
}
err = integration.Args(logsFlag, cmd.ConfigDir())(cmd)
if err != nil {
return err
}
return integration.Args(spoolFlag, cmd.ConfigDir())(cmd)
}
}
func getConfig(cmd *integration.Cmd) Config {
if cmd.Config == nil {
cmd.Config = Config{}
}
return cmd.Config.(Config)
}
// ListenC2S listens for client-to-server (c2s) connections on a Unix domain
// socket.
func ListenC2S() integration.Option {
return func(cmd *integration.Cmd) error {
c2sListener, err := cmd.C2SListen("unix", filepath.Join(cmd.ConfigDir(), "c2s.socket"))
if err != nil {
return err
}
c2sSocket := c2sListener.Addr().(*net.UnixAddr).Name
err = c2sListener.Close()
if err != nil {
return err
}
cfg := getConfig(cmd)
cfg.C2SSocket = c2sSocket
cmd.Config = cfg
return nil
}
}
// ListenS2S listens for server-to-server (s2s) connections on a Unix domain
// socket.
func ListenS2S() integration.Option {
return func(cmd *integration.Cmd) error {
s2sListener, err := cmd.S2SListen("unix", filepath.Join(cmd.ConfigDir(), "s2s.socket"))
if err != nil {
return err
}
s2sSocket := s2sListener.Addr().(*net.UnixAddr).Name
cfg := getConfig(cmd)
cfg.S2SSocket = s2sSocket
cmd.Config = cfg
return nil
}
}
// VHost configures one or more virtual hosts.
// The default if this option is not provided is to create a single vhost called
// "localhost" and create a self-signed cert for it (if VHost is specified certs
// must be manually created).
func VHost(hosts ...string) integration.Option {
return func(cmd *integration.Cmd) error {
cfg := getConfig(cmd)
cfg.VHosts = append(cfg.VHosts, hosts...)
cmd.Config = cfg
return nil
}
}
func defaultConfig(cmd *integration.Cmd) error {
for _, arg := range cmd.Cmd.Args {
if arg == configFlag {
return nil
}
}
cfg := getConfig(cmd)
if len(cfg.VHosts) == 0 {
const vhost = "localhost"
cfg.VHosts = append(cfg.VHosts, vhost)
err := integration.Cert(vhost)(cmd)
if err != nil {
return err
}
}
cmd.Config = cfg
if j, _ := cmd.User(); j.Equal(jid.JID{}) {
err := CreateUser(context.TODO(), "me@"+cfg.VHosts[0], "password")(cmd)
if err != nil {
return err
}
}
return ConfigFile(cfg)(cmd)
}
func inetrcFile(cmd *integration.Cmd) error {
return integration.TempFile("inetrc", func(_ *integration.Cmd, w io.Writer) error {
_, err := fmt.Fprint(w, inetrc)
return err
})(cmd)
}
func foreground(cmd *integration.Cmd) error {
return integration.Args("foreground")(cmd)
}
// Ctl returns an option that calls ejabberdctl with the provided args after the
// config has been written.
// It automatically points ejabberdctl at the config file path.
func Ctl(ctx context.Context, args ...string) integration.Option {
return integration.Defer(ctlFunc(ctx, args...))
}
func ctlFunc(ctx context.Context, args ...string) func(*integration.Cmd) error {
return func(cmd *integration.Cmd) error {
cfgFilePath := cmd.ConfigDir()
/* #nosec */
ejabberdCtl := exec.CommandContext(ctx, "ejabberdctl",
configFlag, cfgFilePath, logsFlag, cfgFilePath, spoolFlag, cfgFilePath)
ejabberdCtl.Args = append(ejabberdCtl.Args, args...)
return ejabberdCtl.Run()
}
}
// Component adds an external component with the given domain and secret to the
// config file.
func Component(domain, secret string) integration.Option {
return func(cmd *integration.Cmd) error {
compListener, err := cmd.ComponentListen("unix", filepath.Join(cmd.ConfigDir(), "comp.socket"))
if err != nil {
return err
}
cfg := getConfig(cmd)
cfg.CompSocket = compListener.Addr().(*net.UnixAddr).Name
if cfg.Component == nil {
cfg.Component = make(map[string]string)
}
cfg.Component[domain] = secret
cmd.Config = cfg
return nil
}
}
// WebSocket listens for WebSocket connections.
func WebSocket() integration.Option {
return func(cmd *integration.Cmd) error {
httpsListener, err := cmd.HTTPSListen("unix", filepath.Join(cmd.ConfigDir(), "https.socket"))
if err != nil {
return err
}
cfg := getConfig(cmd)
cfg.HTTPSocket = httpsListener.Addr().(*net.UnixAddr).Name
cmd.Config = cfg
return nil
}
}
// CreateUser returns an option that calls ejabberdctl to create a user.
// It is equivalent to calling:
// Ctl(ctx, "register", "localpart", "domainpart", "password") except that it
// also configures the underlying Cmd to know about the user.
func CreateUser(ctx context.Context, addr, pass string) integration.Option {
return func(cmd *integration.Cmd) error {
j, err := jid.Parse(addr)
if err != nil {
return err
}
err = Ctl(ctx, "register", j.Localpart(), j.Domainpart(), pass)(cmd)
if err != nil {
return err
}
return integration.User(j, pass)(cmd)
}
}
// Test starts an Ejabberd instance and returns a function that runs f as a
// subtest using t.Run.
// Multiple calls to the returned function will result in uniquely named
// subtests.
// When all subtests have completed, the daemon is stopped.
func Test(ctx context.Context, t *testing.T, opts ...integration.Option) integration.SubtestRunner {
opts = append(opts, defaultConfig, inetrcFile, foreground,
integration.Shutdown(ctlFunc(ctx, "stop")),
integration.Shutdown(ctlFunc(ctx, "stopped")),
)
return integration.Test(ctx, cmdName, t, opts...)
}