Replaced WebEncoders with Base64Url

Author: usercode

src/ImageWizard.Client/Builder/DeliveryTypeExtensions.cs

@@ -3,9 +3,9 @@
 // MIT License
 
 using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.FileProviders;
+using System.Buffers.Text;
 using System.Security.Cryptography;
 using System.Text;
 
@@ -40,9 +40,9 @@ public static IFilter FetchLocalFile(this ILoader imageBuilder, string path, int
 
         SHA256.HashData(Encoding.UTF8.GetBytes(hash), hashBufferSpan);
 
-        string hashBase64 = WebEncoders.Base64UrlEncode(hashBufferSpan);
+        string hashBase64 = Base64Url.EncodeToString(hashBufferSpan);
 
-        path += $"?v={hashBase64.AsSpan(0, maxVersionLength)}";
+        path = $"{path}?v={hashBase64.AsSpan(0, maxVersionLength)}";
 
         return imageBuilder.LoadData("fetch", path);
     }

src/ImageWizard.Client/Builder/ImageFilterExtensions.cs

@@ -3,7 +3,7 @@
 // MIT License
 
 using ImageWizard.Utils;
-using Microsoft.AspNetCore.WebUtilities;
+using System.Buffers.Text;
 using System.Text;
 
 namespace ImageWizard.Client;
@@ -202,7 +202,7 @@ public static Image DrawText(this Image image, string text, int? size = null, do
         if (useBase64Url)
         {
             byte[] buffer = Encoding.UTF8.GetBytes(text);
-            string base64Url = WebEncoders.Base64UrlEncode(buffer);
+            string base64Url = Base64Url.EncodeToString(buffer);
 
             builder.Add($"text={base64Url}");
         }

src/ImageWizard.Utils/Signature/HMACSHA256UrlSignature.cs

@@ -3,9 +3,9 @@
 // MIT License
 
 using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.WebUtilities;
 using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.Options;
+using System.Buffers.Text;
 using System.Security.Cryptography;
 using System.Text;
 
@@ -88,7 +88,7 @@ public string Encrypt(byte[] key, ImageWizardRequest request)
         HMACSHA256.HashData(key, inputBuffer, hashBuffer);
 
         //convert to Base64Url
-        string keyBase64Url = WebEncoders.Base64UrlEncode(hashBuffer);
+        string keyBase64Url = Base64Url.EncodeToString(hashBuffer);
 
         //add signature to cache
         _cache.Set(input, keyBase64Url, new MemoryCacheEntryOptions()