fix: binary file fetching error

Author: PreciousOritsedere

app/lib/helpers/urlUtils.ts

@@ -46,6 +46,27 @@ export function resolveUrl(url: string, baseUrl: string): string {
   }
 }
 
+/**
+ * Checks if a URL represents a known binary/system file that shouldn't be fetched as RDF
+ */
+export function isBinaryFile(url: string): boolean {
+  const urlLower = url.toLowerCase();
+  // Common binary/system files that can't be converted to RDF
+  const binaryPatterns = [
+    '.ds_store',           // macOS system file
+    'thumbs.db',           // Windows thumbnail cache
+    'desktop.ini',         // Windows folder settings
+    '.git/',               // Git directories
+    '.svn/',               // SVN directories
+    '.hg/',                // Mercurial directories
+  ];
+  
+  // Check if URL ends with or contains these patterns
+  return binaryPatterns.some(pattern => 
+    urlLower.includes(pattern) || urlLower.endsWith(pattern)
+  );
+}
+
 /**
  * Checks if a URL has a file extension that indicates it's likely a file
  * @param url - The URL to check

app/lib/hooks/useBrowseStorage.ts

@@ -14,7 +14,7 @@ import {
 } from "@inrupt/solid-client";
 import { DCTERMS, POSIX, RDFS } from "@inrupt/vocab-common-rdf";
 import { FileItemData } from "../../components/FileItem";
-import { extractNameFromUrl, resolveUrl, isLikelyFile } from "../helpers/urlUtils";
+import { extractNameFromUrl, resolveUrl, isLikelyFile, isBinaryFile } from "../helpers/urlUtils";
 
 interface UseBrowseStorageResult {
   files: FileItemData[];
@@ -115,7 +115,8 @@ export function useBrowseStorage(containerUrl: string | null, refreshKey?: numbe
 
             let finalIsContainer = isContainerUrl;
 
-            if (!isContainerUrl && !isLikelyFile(absoluteUrl)) {
+            // Skip RDF fetch for known binary files or files with extensions
+            if (!isContainerUrl && !isLikelyFile(absoluteUrl) && !isBinaryFile(absoluteUrl)) {
               try {
                 const itemDataset = await getSolidDataset(absoluteUrl, {
                   fetch: fetchFn,
@@ -137,6 +138,9 @@ export function useBrowseStorage(containerUrl: string | null, refreshKey?: numbe
                   finalIsContainer = false;
                 }
               }
+            } else if (isBinaryFile(absoluteUrl)) {
+              // Known binary file - treat as file without attempting RDF fetch
+              finalIsContainer = false;
             }
 
             fileItems.push({