duplicati/Duplicati/Library/Backend/OneDrive/OneDrive.cs

// Copyright (C) 2025, The Duplicati Team
// https://duplicati.com, hello@duplicati.com
// 
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
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// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in 
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
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using Duplicati.Library.Interface;

namespace Duplicati.Library.Backend
{
    public class OneDrive : MicrosoftGraphBackend
    {
        private const string DRIVE_ID_OPTION = "drive-id";
        private const string DEFAULT_DRIVE_PATH = "/me/drive";
        private const string PROTOCOL_KEY = "onedrivev2";

        private readonly Task<string> drivePath;

        public OneDrive()
        {
            // Constructor needed for dynamic loading to find it
            drivePath = null!;
        }

        public OneDrive(string url, Dictionary<string, string?> options)
            : base(url, PROTOCOL_KEY, options)
        {
            var driveId = options.GetValueOrDefault(DRIVE_ID_OPTION);
            drivePath = Task.FromResult(string.IsNullOrWhiteSpace(driveId)
                ? DEFAULT_DRIVE_PATH
                : string.Format("/drives/{0}", driveId));
        }

        public override string ProtocolKey => PROTOCOL_KEY;

        public override string DisplayName => Strings.OneDrive.DisplayName;

        protected override Task<string> GetDrivePath(CancellationToken cancelToken) => drivePath;

        protected override DescriptionTemplateDelegate DescriptionTemplate => Strings.OneDrive.Description;

        protected override IList<ICommandLineArgument> AdditionalSupportedCommands => [
            new CommandLineArgument(DRIVE_ID_OPTION, CommandLineArgument.ArgumentType.String, Strings.OneDrive.DriveIdShort, Strings.OneDrive.DriveIdLong(DEFAULT_DRIVE_PATH)),
        ];
    }
}