Removed temporary fix for old filenames that used absolute urls pointing to the get file api

web/react/utils/utils.jsx

@@ -533,13 +533,7 @@ export function getPreviewImagePath(filename) {
     const fileType = getFileType(fileInfo.ext);
 
     if (fileType === 'image') {
-        // This is a temporary patch to fix issue with old files using absolute paths
-        if (fileInfo.path.indexOf('/api/v1/files/get') !== -1) {
-            fileInfo.path = fileInfo.path.split('/api/v1/files/get')[1];
-        }
-        fileInfo.path = getWindowLocationOrigin() + '/api/v1/files/get' + fileInfo.path;
-
-        return fileInfo.path + '_preview.jpg?' + getSessionIndex();
+        return getFileUrl(fileInfo.path + '_preview.jpg');
     }
 
     // only images have proper previews, so just use a placeholder icon for non-images
@@ -1069,15 +1063,7 @@ export function fileSizeToString(bytes) {
 
 // Converts a filename (like those attached to Post objects) to a url that can be used to retrieve attachments from the server.
 export function getFileUrl(filename) {
-    var url = filename;
-
-    // This is a temporary patch to fix issue with old files using absolute paths
-    if (url.indexOf('/api/v1/files/get') !== -1) {
-        url = filename.split('/api/v1/files/get')[1];
-    }
-    url = getWindowLocationOrigin() + '/api/v1/files/get' + url + '?' + getSessionIndex();
-
-    return url;
+    return getWindowLocationOrigin() + '/api/v1/files/get' + filename + '?' + getSessionIndex();
 }
 
 // Gets the name of a file (including extension) from a given url or file path.