ShareX/ShareX.UploadersLib/CustomUploader/Functions/CustomUploaderFunctionJson.cs

#region License Information (GPL v3)

/*
    ShareX - A program that allows you to take screenshots and share any file type
    Copyright (c) 2007-2023 ShareX Team

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    Optionally you can also view the license at <http://www.gnu.org/licenses/>.
*/

#endregion License Information (GPL v3)

using Newtonsoft.Json.Linq;

namespace ShareX.UploadersLib
{
    // Example: {json:files[0].url}
    // Example: {json:{response}|files[0].url}
    internal class CustomUploaderFunctionJson : CustomUploaderFunction
    {
        public override string Name { get; } = "json";

        public override int MinParameterCount { get; } = 1;

        public override string Call(ShareXCustomUploaderSyntaxParser parser, string[] parameters)
        {
            // https://goessner.net/articles/JsonPath/
            string input, jsonPath;

            if (parameters.Length > 1)
            {
                // {json:input|jsonPath}
                input = parameters[0];
                jsonPath = parameters[1];
            }
            else
            {
                // {json:jsonPath}
                input = parser.ResponseInfo.ResponseText;
                jsonPath = parameters[0];
            }

            if (!string.IsNullOrEmpty(input) && !string.IsNullOrEmpty(jsonPath))
            {
                if (!jsonPath.StartsWith("$."))
                {
                    jsonPath = "$." + jsonPath;
                }

                return (string)JToken.Parse(input).SelectToken(jsonPath);
            }

            return null;
        }
    }
}