image processor which strips metadata

zero/Media/ImageSharp/Processors/StripMetadataWebProcessor.cs

@@ -0,0 +1,51 @@
+using Microsoft.Extensions.Logging;
+using SixLabors.ImageSharp.Web;
+using SixLabors.ImageSharp.Web.Commands;
+using SixLabors.ImageSharp.Web.Processors;
+using System.Globalization;
+
+namespace zero.Media.ImageSharp.Processors;
+
+public class StripMetadataWebProcessor : IImageWebProcessor
+{
+  // <summary>
+  /// The command constant for quality.
+  /// </summary>
+  public const string Strip = "strip";
+
+  /// <summary>
+  /// The reusable collection of commands.
+  /// </summary>
+  private static readonly IEnumerable<string> StripCommands
+      = new[] { Strip };
+
+  /// <inheritdoc/>
+  public IEnumerable<string> Commands { get; } = StripCommands;
+
+  /// <inheritdoc/>
+  public FormattedImage Process(
+      FormattedImage image,
+      ILogger logger,
+      CommandCollection commands,
+      CommandParser parser,
+      CultureInfo culture)
+  {
+    if (commands.Contains(Strip))
+    {
+      bool strip = parser.ParseValue<bool>(commands.GetValueOrDefault(Strip), culture);
+
+      if (strip)
+      {
+        image.Image.Metadata.ExifProfile = null;
+        image.Image.Metadata.XmpProfile = null;
+        image.Image.Metadata.IptcProfile = null;
+        image.Image.Metadata.IccProfile = null;
+      }
+    }
+
+    return image;
+  }
+
+  /// <inheritdoc/>
+  public bool RequiresTrueColorPixelFormat(CommandCollection commands, CommandParser parser, CultureInfo culture) => true;
+}

zero/Media/MediaExtensions.cs

@@ -1,4 +1,5 @@
-using SixLabors.ImageSharp.Metadata.Profiles.Exif;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+using SixLabors.ImageSharp.Metadata.Profiles.Exif;
 using SixLabors.ImageSharp.Web;
 using System.Numerics;