cmd/uplink: Add revoke command

Change-Id: I8ae74da5c9171429b970d76598793a3227ed4d11

cmd/uplink/cmd/revoke.go

@@ -0,0 +1,51 @@
+// Copyright (C) 2020 Storj Labs, Inc.
+// See LICENSE for copying information.
+
+package cmd
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	"storj.io/uplink"
+)
+
+func init() {
+	addCmd(&cobra.Command{
+		Use:   "revoke access_here",
+		Short: "Revoke an access",
+		RunE:  revokeAccess,
+		Args:  cobra.ExactArgs(1),
+	}, RootCmd)
+}
+
+func revokeAccess(cmd *cobra.Command, args []string) error {
+	ctx, _ := withTelemetry(cmd)
+
+	if len(args) == 0 {
+		return fmt.Errorf("no access specified for revocation")
+	}
+
+	accessRaw := args[0]
+	access, err := uplink.ParseAccess(accessRaw)
+	if err != nil {
+		return errors.New("invalid access provided")
+	}
+
+	project, err := cfg.getProject(ctx, false)
+	if err != nil {
+		return err
+	}
+	defer closeProject(project)
+
+	if err = project.RevokeAccess(ctx, access); err != nil {
+		return err
+	}
+	fmt.Println("=========== SUCCESSFULLY REVOKED =========================================================")
+	fmt.Println("NOTE: It may take the satellite several minutes to process the revocation request,")
+	fmt.Println("      depending on its caching policies.")
+
+	return nil
+}