feat: add cli command to generate app token for user

services/auth-app/pkg/command/create.go

@@ -0,0 +1,109 @@
+package command
+
+import (
+	"context"
+	"fmt"
+	authpb "github.com/cs3org/go-cs3apis/cs3/auth/provider/v1beta1"
+	"github.com/cs3org/reva/v2/pkg/auth/scope"
+
+	applicationsv1beta1 "github.com/cs3org/go-cs3apis/cs3/auth/applications/v1beta1"
+	gatewayv1beta1 "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
+	userpb "github.com/cs3org/go-cs3apis/cs3/identity/user/v1beta1"
+	typesv1beta1 "github.com/cs3org/go-cs3apis/cs3/types/v1beta1"
+	ctxpkg "github.com/cs3org/reva/v2/pkg/ctx"
+	"github.com/cs3org/reva/v2/pkg/rgrpc/todo/pool"
+	"github.com/owncloud/ocis/v2/ocis-pkg/config/configlog"
+	"github.com/owncloud/ocis/v2/ocis-pkg/registry"
+	"github.com/owncloud/ocis/v2/ocis-pkg/tracing"
+	"github.com/owncloud/ocis/v2/services/auth-app/pkg/config"
+	"github.com/owncloud/ocis/v2/services/auth-app/pkg/config/parser"
+	"github.com/urfave/cli/v2"
+	"google.golang.org/grpc/metadata"
+	"time"
+)
+
+// Create is the entrypoint for the app auth create command
+func Create(cfg *config.Config) *cli.Command {
+	return &cli.Command{
+		Name:     "create",
+		Usage:    "create an app auth token for a user",
+		Category: "maintenance",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:     "user-name",
+				Value:    "",
+				Usage:    "the user name",
+				Required: true,
+			},
+			&cli.IntFlag{
+				Name:     "expiration",
+				Value:    72,
+				Usage:    "expiration of the app password in hours",
+				Required: false,
+			},
+		},
+		Before: func(_ *cli.Context) error {
+			return configlog.ReturnError(parser.ParseConfig(cfg))
+		},
+		Action: func(c *cli.Context) error {
+			traceProvider, err := tracing.GetServiceTraceProvider(cfg.Tracing, cfg.Service.Name)
+			if err != nil {
+				return err
+			}
+
+			gatewaySelector, err := pool.GatewaySelector(
+				cfg.Reva.Address,
+				append(
+					cfg.Reva.GetRevaOptions(),
+					pool.WithRegistry(registry.GetRegistry()),
+					pool.WithTracerProvider(traceProvider),
+				)...)
+			if err != nil {
+				return err
+			}
+
+			next, err := gatewaySelector.Next()
+			if err != nil {
+				return err
+			}
+
+			userID := c.String("user-name")
+			ctx := context.Background()
+			authRes, err := next.Authenticate(ctx, &gatewayv1beta1.AuthenticateRequest{
+				Type:         "machine",
+				ClientId:     "username:" + userID,
+				ClientSecret: cfg.Commons.MachineAuthAPIKey,
+			})
+			if err != nil {
+				return err
+			}
+			granteeCtx := ctxpkg.ContextSetUser(context.Background(), &userpb.User{Id: authRes.GetUser().GetId()})
+			granteeCtx = metadata.AppendToOutgoingContext(granteeCtx, ctxpkg.TokenHeader, authRes.GetToken())
+
+			exp := c.Int("expiration")
+			expiryDuration := time.Duration(exp) * time.Hour
+			scopes, err := scope.AddOwnerScope(map[string]*authpb.Scope{})
+			if err != nil {
+				return err
+			}
+
+			appPassword, err := next.GenerateAppPassword(granteeCtx, &applicationsv1beta1.GenerateAppPasswordRequest{
+				TokenScope: scopes,
+				Label:      "Generated via CLI",
+				Expiration: &typesv1beta1.Timestamp{
+					Seconds: uint64(time.Now().Add(expiryDuration).Unix()),
+				},
+			})
+			if err != nil {
+				return err
+			}
+
+			fmt.Printf("App password created for %s", authRes.GetUser().GetUsername())
+			fmt.Println()
+			fmt.Printf(" password: %s", appPassword.GetAppPassword().GetPassword())
+			fmt.Println()
+
+			return nil
+		},
+	}
+}

services/auth-app/pkg/command/root.go

@@ -15,6 +15,7 @@ func GetCommands(cfg *config.Config) cli.Commands {
 		Server(cfg),
 
 		// interaction with this service
+		Create(cfg),
 
 		// infos about this service
 		Health(cfg),