v1.3.0.1 (Epic Store release)

Deploy/DeployAll/Util.cs

@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
+using System.Xml.Linq;
 
 namespace DeployAll;
 
@@ -64,13 +66,16 @@ public static class Util
         DeleteDirectory(path);
         Directory.CreateDirectory(path);
     }
-    
-    public static IReadOnlyList<byte> DownloadFile(string url)
+
+    public static IReadOnlyList<byte> DownloadFile(string url, out string finalUrl)
     {
-        var httpClient = new HttpClient();
+        finalUrl = url;
+
+        using var httpClient = new HttpClient();
         var response = httpClient.Send(new HttpRequestMessage(
             HttpMethod.Get,
             new Uri(url)));
+        finalUrl = response.RequestMessage?.RequestUri?.AbsoluteUri ?? url;
         using var stream = response.Content.ReadAsStream();
 
         using var reader = new BinaryReader(stream);
@@ -100,6 +105,50 @@ public static class Util
     public static bool AnsweredNo(this string answer)
         => !answer.AnsweredYes();
 
+    public static bool IsValidEpicCfg(this char c)
+        => char.IsDigit(c)
+           || c is (>= 'a' and <= 'z') or (>= 'A' and <= 'Z') or '-' or '_' or '+' or '/';
+
+    public static bool IsValidEpicCfg(this string s)
+        => !string.IsNullOrEmpty(s) && s.All(IsValidEpicCfg);
+
+    public static bool TryLoadXml(string path, [NotNullWhen(returnValue: true)]out XDocument? doc)
+    {
+        try
+        {
+            doc = XDocument.Load(path);
+            return true;
+        }
+        catch
+        {
+            doc = null;
+            return false;
+        }
+    }
+
+    public static string GetAttributeOrThrow(this XElement element, string attributeName)
+    {
+        var attribute = element
+            .Attributes()
+            .FirstOrDefault(e => e.Name.LocalName.Equals(attributeName, StringComparison.OrdinalIgnoreCase));
+        if (attribute != null
+            && !string.IsNullOrEmpty(attribute.Value))
+        {
+            return attribute.Value;
+        }
+
+        throw new Exception($"{attributeName} is not set");
+    }
+
+    public static string ThrowIfNullOrEmpty(this string? s, string msg)
+    {
+        if (string.IsNullOrEmpty(s)) { throw new Exception(msg); }
+        return s;
+    }
+
+    public static string NormalizePathSeparators(this string s)
+        => s.Replace("\\", "/");
+
     public static Process StartProcess(ProcessStartInfo info)
         => Process.Start(info)
             ?? throw new Exception($"Failed to start process \"{info.FileName}\"");