PositionViewer/Assets/Scripts/Controllers/FileBrowserController.cs

using System.Text;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using SFB;
using UnityEngine.Networking;
using System.IO;
using System;
using Newtonsoft.Json;

public class FileBrowserController : MonoBehaviour, IPointerDownHandler
{
    //public enum Extensions { Image, VuforiaDB }; //".png, .jpg"".xml, .dat"
    //public Extensions extensions = Extensions.Image;
    public InputField inputField;
    //public Button OpenVuforiaXML;
    //public Button OpenImage;
    // Warning: paths returned by FileBrowser dialogs do not contain a trailing '\' character
    // Warning: FileBrowser can only show 1 dialog at a time

#if UNITY_WEBGL && !UNITY_EDITOR
    //
    // WebGL
    //
    [DllImport("__Internal")]
    private static extern void UploadFile(string gameObjectName, string methodName, string filter, bool multiple);

    public void OnPointerDown(PointerEventData eventData) {
        UploadFile(gameObject.name, "OnFileUpload", ".png, .jpg", false);
        Debug.Log("OnPointerDown");
    }

    // Called from browser
    public void OnFileUpload(string url) {
        StartCoroutine(UpLoadUserData(url));
    }
#else
    //
    // Standalone platforms & editor
    //
    public void OnPointerDown(PointerEventData eventData) { }

    void Start()
    {
        //    OpenVuforiaXML.onClick.AddListener(() => { ShowLoadDialogCoroutine($"Выбор объекта", new ExtensionFilter("Vuforia Files", "xml", "dat")); });
        //    OpenImage.onClick.AddListener(() => { ShowLoadDialogCoroutine($"Выбор изображения", new ExtensionFilter("Image Files", "png", "jpg", "jpeg")); });
        var button =GetComponent<Button>();
        button.onClick.AddListener(OnClick);
    }

    //public void OpenFileBrowser()
    //{
    //    ShowLoadDialogCoroutine($"Выбор объекта", new ExtensionFilter("Vuforia Files", "xml", "dat"));
    //}
#endif

    public void OnClick()
    {
        // Open file
        string[] paths = new string[0];

        // Open file with filter
        //var es = new[] {new ExtensionFilter("Image Files", "png", "jpg", "jpeg" )};

        //es = new[] {new ExtensionFilter("Image Files", "png", "jpg", "jpeg" )};
        paths = StandaloneFileBrowser.OpenFilePanel($"Выбор изображения", "", "png,jpg", false);
     
        //var paths = StandaloneFileBrowser.OpenFilePanel("Open File", "", extensions, true);

        // Open file async
        //StandaloneFileBrowser.OpenFilePanelAsync(name_view, "", es, false, (string[] paths) => {
        //    if (paths.Length > 0)
        //    {
        //        StartCoroutine(OutputRoutine(new System.Uri(paths[0]).AbsoluteUri));
        //    }
        //});

        //var paths = StandaloneFileBrowser.OpenFilePanel(name_view, "", "txt", true);
        if (paths.Length > 0)
        {
            Debug.Log(paths[0]);
            //StartCoroutine(UpLoadUserData(new System.Uri(paths[0]).AbsoluteUri));
            StartCoroutine(UpLoadUserData(paths[0]));
        }
    }

    private IEnumerator OutputRoutine(string url)
    {
        //var loader = new WWW(url);
        Debug.Log($"file url pc {url}");

        var server_url = $"{Application.streamingAssetsPath}/Targets/{Path.GetFileName(url)}";

        Debug.Log($"file url server {server_url}");
        var request = UnityWebRequest.Get(url);
        yield return request.SendWebRequest();
        //yield return loader;
        if (!File.Exists(url))
        {
            while (!request.isDone)
            {
                yield return null;
            }
            if (!string.IsNullOrEmpty(request.error))
            {
                Debug.LogError("Error unpacking:" + request.error + " path: " + request.url);
                yield break; //skip it                
            }
            else
            {
                if (!Directory.Exists(Path.GetDirectoryName(server_url)))
                {
                    Directory.CreateDirectory(Path.GetDirectoryName(server_url));
                }
                File.WriteAllBytes(server_url, request.downloadHandler.data);
                Debug.Log($"success file load {server_url}");
                inputField.text = server_url;
                //could add to some kind of uninstall list?
            }
        }
        yield return 0;
        //output.texture = loader.texture;
    }

    /// <summary>
    /// Отправка файла на сервер
    /// </summary>
    /// <param name="url"></param>
    /// <returns></returns>
    IEnumerator UpLoadUserData(string url)
    {
        //var file = UnityWebRequest.Get(url);
        //yield return file;
        Debug.Log(url);
        
        WWWForm form = new WWWForm();
        //form.AddBinaryData("file", file.downloadHandler.data);

        //var screenShotURL = URL_OF_SERVER_PHP_PAGE;
        //var bytes = Encoding.UTF8.GetBytes(url);
        //var form = new WWWForm();

        // string data = JsonUtility.ToJson(DataBaseManager.DataBase[username]);
        //WWWForm form = new WWWForm();
        //form.AddField("name", username);
        //form.AddField("data", data);
        UnityWebRequest www;
        string file_name;
        if (Application.platform == RuntimePlatform.WebGLPlayer)
        {
            var deserialize = JsonConvert.DeserializeObject<List<urls>>(url);
            file_name = deserialize[0].file_name;
            byte[] bytes = Encoding.UTF8.GetBytes(deserialize[0].reader);
            form.AddBinaryData("file", bytes, deserialize[0].file_name);
            www = UnityWebRequest.Post($"{Application.streamingAssetsPath}/upload.php", form);
        }
        else
        {
            file_name = Path.GetFileName(url);
            var bytes = File.ReadAllBytes(url);
            form.AddBinaryData("file", bytes, file_name);
            www = UnityWebRequest.Post($"http://dev.prmsys.net/positionviewer/StreamingAssets/upload.php", form);
        }
        yield return www.SendWebRequest();
        if (www.isHttpError)
            Debug.Log(www.error);
        else
        {
            Debug.Log("Uploaded");
            inputField.text = $"{Application.streamingAssetsPath}/{file_name}";
        }
        Debug.Log(www.downloadHandler.text);
    }

    class urls
    {
        public string url { get; set; }
        public string file_name { get; set; }
        public string reader { get; set; }
    }
}