Added delete command and delete user subcommand

cmd/delete.go

@@ -0,0 +1,72 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	ldap "gopkg.in/ldap.v2"
+)
+
+var (
+	// user subcommand arguments
+	flagUsername string
+)
+
+func init() {
+	// define delete user subcommand flags
+	deleteUserCmd.Flags().StringP("base_ou", "o", "", "LDAP OU where your user entries are stored")
+	deleteUserCmd.Flags().StringP("uid_attribute", "a", "uid", "LDAP DN attribute for users")
+	deleteUserCmd.Flags().StringVarP(&flagUsername, "username", "u", "", "Username of user to delete")
+	// bind config file values to user flags
+	viper.BindPFlag("user.base_ou", deleteUserCmd.Flags().Lookup("base_ou"))
+	viper.BindPFlag("user.uid_attr", deleteUserCmd.Flags().Lookup("uid_attribute"))
+
+	// register delete command and subcommands
+	deleteCmd.AddCommand(deleteUserCmd)
+	rootCmd.AddCommand(deleteCmd)
+}
+
+// define delete command
+var deleteCmd = &cobra.Command{
+	Use:   "delete",
+	Short: "delete an LDAP resource from the directory",
+	Long:  `Delete an LDAP resource from the directory.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("Metaunix.net LDAP tool, delete command. Available subcommands are: user")
+	},
+}
+
+// define delete user subcommand
+var deleteUserCmd = &cobra.Command{
+	Use:   "user",
+	Short: "delete an LDAP user resource from the directory",
+	Long:  `Delete an LDAP user resource from the directory.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		// create new LDAP connection
+		l, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", viper.GetString("host"), viper.GetInt("port")))
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer l.Close()
+
+		// bind as the admin user
+		err = l.Bind(viper.GetString("bind_dn"), viper.GetString("bind_pw"))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		// set up user DN
+		userDn := fmt.Sprintf("%s=%s,%s", viper.GetString("user.uid_attr"), flagUsername, viper.GetString("user.base_ou"))
+
+		// create a new delete request object
+		deleteRequest := ldap.NewDelRequest(userDn, []ldap.Control{})
+
+		// perform the delete operation
+		err = l.Del(deleteRequest)
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}