cmd/uplink: 'uplink access inspect' for displaying access fields

https://storjlabs.atlassian.net/browse/V3-3492

Change-Id: Id75aad869f8d06444f970f1da50e784179993894

cmd/uplink/cmd/access.go

@@ -0,0 +1,71 @@
+// Copyright (C) 2020 Storj Labs, Inc.
+// See LICENSE for copying information.
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	libuplink "storj.io/storj/lib/uplink"
+	"storj.io/storj/pkg/cfgstruct"
+	"storj.io/storj/pkg/process"
+)
+
+var inspectCfg AccessConfig
+
+func init() {
+	// We skip the use of addCmd here because we only want the configuration options listed
+	// above, and addCmd adds a whole lot more than we want.
+	accessCmd := &cobra.Command{
+		Use:   "access",
+		Short: "Set of commands to manage access.",
+	}
+
+	inspectCmd := &cobra.Command{
+		Use:   "inspect [ACCESS]",
+		Short: "Inspect allows you to explode a serialized access into it's constituent parts.",
+		RunE:  accessInspect,
+		Args:  cobra.MaximumNArgs(1),
+	}
+	RootCmd.AddCommand(accessCmd)
+	accessCmd.AddCommand(inspectCmd)
+
+	process.Bind(inspectCmd, &inspectCfg, defaults, cfgstruct.ConfDir(getConfDir()))
+}
+
+func accessInspect(cmd *cobra.Command, args []string) (err error) {
+	var access *libuplink.Scope
+	if len(args) == 0 {
+		access, err = inspectCfg.GetAccess()
+		if err != nil {
+			return err
+		}
+	} else {
+		firstArg := args[0]
+
+		access, err = inspectCfg.GetNamedAccess(firstArg)
+		if err != nil {
+			return err
+		}
+
+		if access == nil {
+			if access, err = libuplink.ParseScope(firstArg); err != nil {
+				return err
+			}
+		}
+	}
+
+	serializedAPIKey := access.APIKey.Serialize()
+	serializedEncAccess, err := access.EncryptionAccess.Serialize()
+	if err != nil {
+		return err
+	}
+
+	fmt.Println("=========== ACCESS INFO ==================================================================")
+	fmt.Println("Satellite        :", access.SatelliteAddr)
+	fmt.Println("API Key          :", serializedAPIKey)
+	fmt.Println("Encryption Access:", serializedEncAccess)
+	return nil
+}