Reset a user password using CLI (#226)

internal/cli/admin.go

@@ -0,0 +1,50 @@
+package cli
+
+import (
+	"fmt"
+	"github.com/thomiceli/opengist/internal/db"
+	"github.com/thomiceli/opengist/internal/utils"
+	"github.com/urfave/cli/v2"
+)
+
+var CmdAdmin = cli.Command{
+	Name:  "admin",
+	Usage: "Admin commands",
+	Subcommands: []*cli.Command{
+		&CmdAdminResetPassword,
+	},
+}
+
+var CmdAdminResetPassword = cli.Command{
+	Name:      "reset-password",
+	Usage:     "Reset the password for a given user",
+	ArgsUsage: "[username] [password]",
+	Action: func(ctx *cli.Context) error {
+		initialize(ctx)
+		if ctx.NArg() < 2 {
+			return fmt.Errorf("username and password are required")
+		}
+		username := ctx.Args().Get(0)
+		plainPassword := ctx.Args().Get(1)
+
+		user, err := db.GetUserByUsername(username)
+		if err != nil {
+			fmt.Printf("Cannot get user %s: %s\n", username, err)
+			return err
+		}
+		password, err := utils.Argon2id.Hash(plainPassword)
+		if err != nil {
+			fmt.Printf("Cannot hash password for user %s: %s\n", username, err)
+			return err
+		}
+		user.Password = password
+
+		if err = user.Update(); err != nil {
+			fmt.Printf("Cannot update password for user %s: %s\n", username, err)
+			return err
+		}
+
+		fmt.Printf("Password for user %s has been reset.\n", username)
+		return nil
+	},
+}