/
auth.go
78 lines (66 loc) · 1.63 KB
/
auth.go
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package gcp
import (
"bytes"
"context"
"errors"
"fmt"
"os"
"os/exec"
"strings"
)
func ValidateUserLogin(ctx context.Context) error {
args := []string{
"config",
"list",
"account",
"--format", "value(core.account)",
}
buf := &bytes.Buffer{}
cmd := exec.CommandContext(ctx, "gcloud", args...)
cmd.Stdout = buf
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
return fmt.Errorf("%v\nerror running '%v' command: %w", buf.String(), cmd.String(), err)
}
user := strings.TrimSpace(buf.String())
if !strings.HasSuffix(user, "@nais.io") {
return fmt.Errorf("active gcloud user is not a nais.io user: %v", user)
}
_, exists := os.LookupEnv("GOOGLE_APPLICATION_CREDENTIALS")
if exists {
return nil
}
homedir, err := os.UserHomeDir()
if err != nil {
return err
}
_, err = os.Stat(homedir + "/.config/gcloud/application_default_credentials.json")
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return fmt.Errorf("you are missing Application Default Credentials, run `gcloud auth application-default login` first")
}
return err
}
return nil
}
func GetUserEmails(ctx context.Context) ([]string, error) {
args := []string{
"auth",
"list",
"--format", "value(account)",
}
buf := &bytes.Buffer{}
cmd := exec.CommandContext(ctx, "gcloud", args...)
cmd.Stdout = buf
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
return nil, fmt.Errorf("%v\nerror running '%v' command: %w", buf.String(), cmd.String(), err)
}
users := strings.Split(strings.TrimSpace(buf.String()), "\n")
if len(users) == 0 {
return nil, fmt.Errorf("no users found, are you logged in")
}
return users, nil
}