Add command to reset user password

cli/reset_password.go

@@ -0,0 +1,39 @@
+// Copyright 2018 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package cli
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/miniflux/miniflux/storage"
+)
+
+func resetPassword(store *storage.Storage) {
+	username, password := askCredentials()
+	user, err := store.UserByUsername(username)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	if user == nil {
+		fmt.Println("User not found!")
+		os.Exit(1)
+	}
+
+	user.Password = password
+	if err := user.ValidatePassword(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	if err := store.UpdateUser(user); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Password changed!")
+}