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login.go
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login.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package auth
import (
"context"
"fmt"
"github.com/morikuni/aec"
"github.com/pkg/browser"
"github.com/spf13/cobra"
"namespacelabs.dev/foundation/internal/auth"
"namespacelabs.dev/foundation/internal/clerk"
"namespacelabs.dev/foundation/internal/cli/fncobra"
"namespacelabs.dev/foundation/internal/console"
"namespacelabs.dev/foundation/internal/fnapi"
"namespacelabs.dev/foundation/internal/fnerrors"
)
func NewLoginCmd() *cobra.Command {
var kind string
var openBrowser bool
cmd := &cobra.Command{
Use: "login",
Short: "Login to Namespace to use Ephemeral Clusters, Remote Builders, etc.",
Args: cobra.NoArgs,
RunE: fncobra.RunE(func(ctx context.Context, args []string) error {
res, err := fnapi.StartLogin(ctx, kind, auth.Workspace)
if err != nil {
return err
}
stdout := console.Stdout(ctx)
fmt.Fprintf(stdout, "%s\n", aec.Bold.Apply("Login to Namespace"))
if openBrowser && openURL(res.LoginUrl) {
fmt.Fprintf(stdout, "Please complete the login flow in your browser.\n\n %s\n", res.LoginUrl)
} else {
fmt.Fprintf(stdout, "In order to login, open the following URL in your browser:\n\n %s\n", res.LoginUrl)
}
tenant, err := completeLogin(ctx, res.LoginId, res.Kind)
if err != nil {
return err
}
if err := auth.StoreTenantToken(tenant.token); err != nil {
return err
}
if tenant.name != "" {
fmt.Fprintf(stdout, "\nYou are now logged into workspace %q, have a nice day.\n", tenant.name)
} else {
fmt.Fprintf(stdout, "\nYou are now logged in, have a nice day.\n")
}
return nil
}),
}
cmd.Flags().StringVar(&kind, "kind", "", "Internal kind.")
_ = cmd.Flags().MarkHidden("kind")
cmd.Flags().BoolVar(&openBrowser, "browser", true, "Open a browser to login.")
return cmd
}
func openURL(url string) bool {
err := browser.OpenURL(url)
return err == nil
}
type tenant struct {
token string
name string
}
func completeLogin(ctx context.Context, id, kind string) (tenant, error) {
if kind == "tenant" {
res, err := fnapi.CompleteTenantLogin(ctx, id)
if err != nil {
return tenant{}, err
}
return tenant{
token: res.TenantToken,
name: res.TenantName,
}, nil
}
// TODO remove old login path
userAuth, err := getUserAuth(ctx, id, kind)
if err != nil {
return tenant{}, err
}
if _, err := auth.StoreUser(ctx, userAuth); err != nil {
return tenant{}, err
}
userToken, err := auth.GenerateTokenFromUserAuth(ctx, userAuth)
if err != nil {
return tenant{}, err
}
tt, err := fnapi.ExchangeUserToken(ctx, userToken)
if err != nil {
return tenant{}, err
}
return tenant{token: tt.TenantToken}, nil
}
func getUserAuth(ctx context.Context, id, kind string) (*auth.UserAuth, error) {
switch kind {
case "tenant":
return nil, fnerrors.InternalError("tenant login cannot produce user auth")
case "clerk":
t, err := fnapi.CompleteClerkLogin(ctx, id)
if err != nil {
return nil, err
}
n, err := clerk.Login(ctx, t.Ticket)
if err != nil {
return nil, err
}
return &auth.UserAuth{
Username: n.Email,
Clerk: n,
}, nil
default:
return fnapi.CompleteLogin(ctx, id)
}
}