dendrite/cmd/create-account/main.go

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// 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 main
import (
"context"
"flag"
"fmt"
"io"
"io/ioutil"
"os"
"strings"
"syscall"
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"github.com/matrix-org/dendrite/setup"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/userapi/storage/accounts"
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"github.com/sirupsen/logrus"
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"golang.org/x/crypto/bcrypt"
"golang.org/x/term"
)
const usage = `Usage: %s
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Creates a new user account on the homeserver.
Example:
# provide password by parameter
%s --config dendrite.yaml -username alice -password foobarbaz
# use password from file
%s --config dendrite.yaml -username alice -passwordfile my.pass
# ask user to provide password
%s --config dendrite.yaml -username alice -ask-pass
# read password from stdin
%s --config dendrite.yaml -username alice -passwordstdin < my.pass
cat my.pass | %s --config dendrite.yaml -username alice -passwordstdin
Arguments:
`
var (
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username = flag.String("username", "", "The username of the account to register (specify the localpart only, e.g. 'alice' for '@alice:domain.com')")
password = flag.String("password", "", "The password to associate with the account (optional, account will be password-less if not specified)")
pwdFile = flag.String("passwordfile", "", "The file to use for the password (e.g. for automated account creation)")
pwdStdin = flag.Bool("passwordstdin", false, "Reads the password from stdin")
askPass = flag.Bool("ask-pass", false, "Ask for the password to use")
)
func main() {
name := os.Args[0]
flag.Usage = func() {
_, _ = fmt.Fprintf(os.Stderr, usage, name, name, name, name, name, name)
flag.PrintDefaults()
}
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cfg := setup.ParseFlags(true)
if *username == "" {
flag.Usage()
os.Exit(1)
}
pass := getPassword(password, pwdFile, pwdStdin, askPass, os.Stdin)
accountDB, err := accounts.NewDatabase(&config.DatabaseOptions{
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ConnectionString: cfg.UserAPI.AccountDatabase.ConnectionString,
}, cfg.Global.ServerName, bcrypt.DefaultCost, cfg.UserAPI.OpenIDTokenLifetimeMS)
if err != nil {
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logrus.Fatalln("Failed to connect to the database:", err.Error())
}
_, err = accountDB.CreateAccount(context.Background(), *username, pass, "")
if err != nil {
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logrus.Fatalln("Failed to create the account:", err.Error())
}
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logrus.Infoln("Created account", *username)
}
func getPassword(password, pwdFile *string, pwdStdin, askPass *bool, r io.Reader) string {
// no password option set, use empty password
if password == nil && pwdFile == nil && pwdStdin == nil && askPass == nil {
return ""
}
// password defined as parameter
if password != nil && *password != "" {
return *password
}
// read password from file
if pwdFile != nil && *pwdFile != "" {
pw, err := ioutil.ReadFile(*pwdFile)
if err != nil {
logrus.Fatalln("Unable to read password from file:", err)
}
return strings.TrimSpace(string(pw))
}
// read password from stdin
if pwdStdin != nil && *pwdStdin {
data, err := ioutil.ReadAll(r)
if err != nil {
logrus.Fatalln("Unable to read password from stdin:", err)
}
return strings.TrimSpace(string(data))
}
// ask the user to provide the password
if *askPass {
fmt.Print("Enter Password: ")
bytePassword, err := term.ReadPassword(syscall.Stdin)
if err != nil {
logrus.Fatalln("Unable to read password:", err)
}
fmt.Println()
fmt.Print("Confirm Password: ")
bytePassword2, err := term.ReadPassword(syscall.Stdin)
if err != nil {
logrus.Fatalln("Unable to read password:", err)
}
fmt.Println()
if strings.TrimSpace(string(bytePassword)) != strings.TrimSpace(string(bytePassword2)) {
logrus.Fatalln("Entered passwords don't match")
}
return strings.TrimSpace(string(bytePassword))
}
return ""
}