From 5598cc2491f32ca6329d2c1e7641b55cef09eb8f Mon Sep 17 00:00:00 2001
From: Nikolaj <nikolajlauridsen@protonmail.ch>
Date: Thu, 23 Mar 2023 09:20:20 +0100
Subject: [PATCH] Convert path to absolute

---
 .../PropertyEditors/RichTextEditorPastedImages.cs | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs b/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs
index 569f38139d..5044a5b13e 100644
--- a/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs
+++ b/src/Umbraco.Infrastructure/PropertyEditors/RichTextEditorPastedImages.cs
@@ -29,6 +29,7 @@ public sealed class RichTextEditorPastedImages
     private readonly IPublishedUrlProvider _publishedUrlProvider;
     private readonly IShortStringHelper _shortStringHelper;
     private readonly IUmbracoContextAccessor _umbracoContextAccessor;
+    private readonly string _tempFolderAbsolutePath;
 
     public RichTextEditorPastedImages(
         IUmbracoContextAccessor umbracoContextAccessor,
@@ -52,6 +53,9 @@ public sealed class RichTextEditorPastedImages
         _mediaUrlGenerators = mediaUrlGenerators;
         _shortStringHelper = shortStringHelper;
         _publishedUrlProvider = publishedUrlProvider;
+
+        _tempFolderAbsolutePath = _hostingEnvironment.MapPathContentRoot(Constants.SystemDirectories.TempImageUploads);
+
     }
 
     /// <summary>
@@ -85,12 +89,14 @@ public sealed class RichTextEditorPastedImages
                 continue;
             }
 
-            if (IsValidPath(tmpImgPath) == false)
+
+            var absoluteTempImagePath = Path.GetFullPath(_hostingEnvironment.MapPathContentRoot(tmpImgPath));
+
+            if (IsValidPath(absoluteTempImagePath) == false)
             {
                 continue;
             }
 
-            var absoluteTempImagePath = _hostingEnvironment.MapPathContentRoot(tmpImgPath);
             var fileName = Path.GetFileName(absoluteTempImagePath);
             var safeFileName = fileName.ToSafeFileName(_shortStringHelper);
 
@@ -191,5 +197,8 @@ public sealed class RichTextEditorPastedImages
         return htmlDoc.DocumentNode.OuterHtml;
     }
 
-    private bool IsValidPath(string imagePath) => imagePath.StartsWith(Constants.SystemDirectories.TempImageUploads);
+    private bool IsValidPath(string imagePath)
+    {
+        return imagePath.StartsWith(_tempFolderAbsolutePath);
+    }
 }