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// Material/Shader Inspector for Unity 2017/2018
// Copyright (C) 2019 Thryrallo
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using UnityEditor;
using UnityEngine;
using UnityEngine.Networking;
namespace Thry
{
public class WebHelper
{
public static string FixUrl(string url)
{
if (!url.StartsWith("http"))
url = "http://" + url;
url = url.Replace("\\","/");
if (System.Text.RegularExpressions.Regex.IsMatch(url, @"^https?:\/[^\/].*"))
url = url.Replace(":/", "://");
return url;
}
public static string GetFinalRedirect(string url)
{
if (string.IsNullOrEmpty(url))
return url;
try
{
UnityWebRequest request = new UnityWebRequest(url);
request.method = UnityWebRequest.kHttpVerbHEAD;
DownloadHandlerBuffer response = new DownloadHandlerBuffer();
request.downloadHandler = response;
request.SendWebRequest();
bool fetching = true;
while (fetching)
{
if (request.isHttpError || request.isNetworkError)
{
fetching = false;
Debug.Log(request.error);
}
if (request.isDone)
{
fetching = false;
}
}
return request.url;
}
catch (Exception ex)
{
ex.ToString();
return null;
}
}
private static Dictionary<string, string> fileCache = new Dictionary<string, string>();
public static string GetCachedString(string url)
{
if (fileCache.ContainsKey(url) == false) fileCache[url] = DownloadString(url);
return fileCache[url];
}
//-------------------Downloaders-----------------------------
[InitializeOnLoad]
public class MainThreader
{
private struct CallData
{
public Action<string> action;
public object[] arguments;
}
static List<CallData> queue;
static MainThreader()
{
queue = new List<CallData>();
EditorApplication.update += Update;
}
public static void Call(Action<string> action, params object[] args)
{
if (action == null)
return;
CallData data = new CallData();
data.action = action;
data.arguments = args;
if (args == null || args.Length == 0 || args[0] == null)
data.arguments = new object[] { "" };
else
data.arguments = args;
queue.Add(data);
}
public static void Update()
{
if (queue.Count > 0)
{
try
{
queue[0].action.DynamicInvoke(queue[0].arguments);
}
catch(Exception e) {
Debug.LogWarning("[Thry] Error during WebRequest: " + e.ToString());
}
queue.RemoveAt(0);
}
}
}
public static void DownloadFile(string url, string path)
{
DownloadAsFile(url, path);
}
public static void DownloadFileASync(string url, string path, Action<string> callback)
{
DownloadAsBytesASync(url, delegate (object o, DownloadDataCompletedEventArgs a)
{
if (a.Cancelled || a.Error != null)
MainThreader.Call(callback, null);
else
{
FileHelper.WriteBytesToFile(a.Result, path);
MainThreader.Call(callback, path);
}
});
}
public static string DownloadString(string url)
{
return DownloadAsString(url);
}
public static void DownloadStringASync(string url, Action<string> callback)
{
DownloadAsStringASync(url, delegate (object o, DownloadStringCompletedEventArgs e)
{
if (e.Cancelled || e.Error != null)
{
Debug.LogWarning(e.Error);
MainThreader.Call(callback, null);
}
else
MainThreader.Call(callback, e.Result);
});
}
private static void SetCertificate()
{
ServicePointManager.ServerCertificateValidationCallback =
delegate (object s, X509Certificate certificate,
X509Chain chain, SslPolicyErrors sslPolicyErrors)
{ return true; };
}
private static string DownloadAsString(string url)
{
SetCertificate();
string contents = null;
try
{
using (var wc = new System.Net.WebClient())
contents = wc.DownloadString(url);
}catch(WebException e)
{
Debug.LogError(e);
}
return contents;
}
private static void DownloadAsStringASync(string url, Action<object, DownloadStringCompletedEventArgs> callback)
{
SetCertificate();
using (var wc = new System.Net.WebClient())
{
wc.Headers["User-Agent"] = "Mozilla/4.0 (Compatible; Windows NT 5.1; MSIE 6.0)";
wc.DownloadStringCompleted += new DownloadStringCompletedEventHandler(callback);
wc.DownloadStringAsync(new Uri(url));
}
}
private static void DownloadAsFileASync(string url, string path, Action<object, AsyncCompletedEventArgs> callback)
{
SetCertificate();
using (var wc = new System.Net.WebClient())
{
wc.DownloadFileCompleted += new AsyncCompletedEventHandler(callback);
wc.DownloadFileAsync(new Uri(url), path);
}
}
private static void DownloadAsFile(string url, string path)
{
SetCertificate();
using (var wc = new System.Net.WebClient())
wc.DownloadFile(url, path);
}
private static byte[] DownloadAsBytes(string url)
{
SetCertificate();
byte[] contents = null;
using (var wc = new System.Net.WebClient())
contents = wc.DownloadData(url);
return contents;
}
private static void DownloadAsBytesASync(string url, Action<object, DownloadDataCompletedEventArgs> callback)
{
SetCertificate();
using (var wc = new System.Net.WebClient())
{
wc.DownloadDataCompleted += new DownloadDataCompletedEventHandler(callback);
url = FixUrl(url);
wc.DownloadDataAsync(new Uri(url));
}
}
}
}
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