storj/cmd/certificates/auth.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package main
import (
"bufio"
"encoding/csv"
"fmt"
"io"
"os"
"path/filepath"
"strconv"
"strings"
"text/tabwriter"
"github.com/spf13/cobra"
"github.com/zeebo/errs"
"storj.io/storj/pkg/certificates"
)
var (
authCmd = &cobra.Command{
Use: "auth",
Short: "CSR authorization management",
}
authCreateCmd = &cobra.Command{
Use: "create <auth_increment_count> [<email>, ...]",
Short: "Create authorizations from a list of emails",
Args: cobra.MinimumNArgs(1),
RunE: cmdCreateAuth,
}
authInfoCmd = &cobra.Command{
Use: "info [<email>, ...]",
Short: "Get authorization(s) info from CSR authorization DB",
RunE: cmdInfoAuth,
}
authExportCmd = &cobra.Command{
Use: "export [<email>, ...]",
Short: "Export authorization(s) from CSR authorization DB to a CSV file (or stdout)",
RunE: cmdExportAuth,
}
)
func parseEmailsList(fileName, delimiter string) (emails []string, err error) {
file, err := os.Open(fileName)
if err != nil {
return nil, errs.Wrap(err)
}
scanner := bufio.NewScanner(file)
for scanner.Scan() {
line := scanner.Text()
if strings.HasPrefix(line, "#") {
continue
}
emails = append(emails, line)
}
return emails, file.Close()
}
func cmdCreateAuth(cmd *cobra.Command, args []string) error {
count, err := strconv.Atoi(args[0])
if err != nil {
return errs.New("Count couldn't be parsed: %s", args[0])
}
authDB, err := config.Signer.NewAuthDB()
if err != nil {
return err
}
var emails []string
if len(args) > 1 {
if config.EmailsPath != "" {
return errs.New("Either use `--emails-path` or positional args, not both.")
}
emails = args[1:]
} else {
emails, err = parseEmailsList(config.EmailsPath, config.Delimiter)
if err != nil {
return errs.Wrap(err)
}
}
var incErrs errs.Group
for _, email := range emails {
if _, err := authDB.Create(email, count); err != nil {
incErrs.Add(err)
}
}
return incErrs.Err()
}
func cmdInfoAuth(cmd *cobra.Command, args []string) error {
authDB, err := config.Signer.NewAuthDB()
if err != nil {
return err
}
var emails []string
if len(args) > 0 {
if config.EmailsPath != "" && !config.All {
return errs.New("Either use `--emails-path` or positional args, not both.")
}
emails = args
} else if len(args) == 0 || config.All {
emails, err = authDB.UserIDs()
if err != nil {
return err
}
} else if _, err := os.Stat(config.EmailsPath); err != nil {
return errs.New("Emails path error: %s", err)
} else {
emails, err = parseEmailsList(config.EmailsPath, config.Delimiter)
if err != nil {
return errs.Wrap(err)
}
}
var emailErrs, printErrs errs.Group
w := tabwriter.NewWriter(os.Stdout, 0, 2, 2, ' ', 0)
if _, err := fmt.Fprintln(w, "Email\tClaimed\tAvail.\t"); err != nil {
return err
}
for _, email := range emails {
if err := writeAuthInfo(authDB, email, w); err != nil {
emailErrs.Add(err)
continue
}
}
if err := w.Flush(); err != nil {
return errs.Wrap(err)
}
return errs.Combine(emailErrs.Err(), printErrs.Err())
}
func writeAuthInfo(authDB *certificates.AuthorizationDB, email string, w io.Writer) error {
auths, err := authDB.Get(email)
if err != nil {
return err
}
if len(auths) < 1 {
return nil
}
claimed, open := auths.Group()
if _, err := fmt.Fprintf(w,
"%s\t%d\t%d\t\n",
email,
len(claimed),
len(open),
); err != nil {
return err
}
if config.ShowTokens {
if err := writeTokenInfo(claimed, open, w); err != nil {
return err
}
}
return nil
}
func writeTokenInfo(claimed, open certificates.Authorizations, w io.Writer) error {
groups := map[string]certificates.Authorizations{
"Claimed": claimed,
"Open": open,
}
for label, group := range groups {
if _, err := fmt.Fprintf(w, "\t%s:\n", label); err != nil {
return err
}
if len(group) > 0 {
for _, auth := range group {
if _, err := fmt.Fprintf(w, "\t\t%s\n", auth.Token.String()); err != nil {
return err
}
}
} else {
if _, err := fmt.Fprintln(w, "\t\tnone"); err != nil {
return err
}
}
}
return nil
}
func cmdExportAuth(cmd *cobra.Command, args []string) error {
authDB, err := config.Signer.NewAuthDB()
if err != nil {
return err
}
var emails []string
if len(args) > 0 && !config.All {
if config.EmailsPath != "" {
return errs.New("Either use `--emails-path` or positional args, not both.")
}
emails = args
} else if len(args) == 0 || config.All {
emails, err = authDB.UserIDs()
if err != nil {
return err
}
} else {
emails, err = parseEmailsList(config.EmailsPath, config.Delimiter)
if err != nil {
return errs.Wrap(err)
}
}
var (
emailErrs, csvErrs errs.Group
output io.Writer
)
switch config.Out {
case "-":
output = os.Stdout
default:
if err := os.MkdirAll(filepath.Dir(config.Out), 0600); err != nil {
return errs.Wrap(err)
}
output, err = os.OpenFile(config.Out, os.O_CREATE, 0600)
if err != nil {
return errs.Wrap(err)
}
}
csvWriter := csv.NewWriter(output)
for _, email := range emails {
if err := writeAuthExport(authDB, email, csvWriter); err != nil {
emailErrs.Add(err)
}
}
csvWriter.Flush()
return errs.Combine(emailErrs.Err(), csvErrs.Err())
}
func writeAuthExport(authDB *certificates.AuthorizationDB, email string, w *csv.Writer) error {
auths, err := authDB.Get(email)
if err != nil {
return err
}
if len(auths) < 1 {
return nil
}
var authErrs errs.Group
for _, auth := range auths {
if err := w.Write([]string{email, auth.Token.String()}); err != nil {
authErrs.Add(err)
}
}
return authErrs.Err()
}