CKEditor 5 “Cannot Upload File: [Filename]” in Laravel 11: A Comprehensive Guide to Fixing the Issue

If you’re using CKEditor 5 in your Laravel 11 application and encountering the frustrating “Cannot Upload File: [Filename]” error, you’re not alone. This issue has been plaguing developers for quite some time, but fear not, dear reader, for we’ve got you covered. In this article, we’ll delve into the root causes of this problem and provide step-by-step instructions to help you resolve it once and for all.

Understanding the Issue

Before we dive into the solutions, it’s essential to understand what’s causing this error. The “Cannot Upload File: [Filename]” error typically occurs when CKEditor 5 is unable to upload files to the server due to misconfigured settings or permissions issues.

Common Causes of the Issue

• Incorrect configuration of the CKEditor 5 plugin
• Insufficient permissions for the upload directory
• Misconfigured Laravel routing or middleware
• Version incompatibility between CKEditor 5 and Laravel 11

Step-by-Step Solution

Now that we’ve identified the potential causes, let’s walk through the steps to resolve the issue:

Step 1: Verify CKEditor 5 Configuration

First, ensure that you’ve correctly installed and configured the CKEditor 5 plugin in your Laravel 11 project. If you’ve followed the official documentation, you should have the following code in your `ckeditor.js` file:

import CKEditor from '@ckeditor/ckeditor5-react';
import { CKEditor } from '@ckeditor/ckeditor5-react/ckeditor';
import { CKFinder } from '@ckeditor/ckeditor5-ckfinder';

CKEditor.builtinPlugins = {
  ...CKEditor.builtinPlugins,
  ckfinder: CKFinder,
};

Make sure you’ve added the `CKFinder` plugin, which is responsible for handling file uploads.

Step 2: Configure CKFinder Adapter

In your `ckeditor.js` file, add the following configuration for the CKFinder adapter:

CKEditor.adapter = {
  uploader: {
    url: '/ckeditor/upload',
    headers: {
      'X-CSRF-TOKEN': '{{ csrf_token() }}',
    },
  },
};

This configuration tells CKEditor 5 to upload files to the `/ckeditor/upload` route, which we’ll create in the next step.

Step 3: Create Laravel Route for File Uploads

In your Laravel 11 project, create a new route in the `routes/web.php` file:

Route::post('/ckeditor/upload', 'CKEditorController@upload')->name('ckeditor.upload');

This route will handle file uploads from CKEditor 5.

Step 4: Create CKEditor Controller

Create a new controller in the `app/Http/Controllers` directory:

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class CKEditorController extends Controller
{
    public function upload(Request $request)
    {
        $file = $request->file('upload');
        $filename = $file->getClientOriginalName();
        $uploadPath = 'uploads/ckeditor';

        if (!File::exists($uploadPath)) {
            File::makeDirectory($uploadPath, 0755, true);
        }

        $file->move($uploadPath, $filename);

        return response()->json(['fileName' => $filename, 'uploaded' => 1]);
    }
}

This controller handles file uploads from CKEditor 5 and stores them in the `uploads/ckeditor` directory.

Step 5: Set Permissions for Upload Directory

Make sure the `uploads/ckeditor` directory has the correct permissions. You can set the permissions using the following command:

chmod -R 755 uploads/ckeditor

Troubleshooting Tips

If you’re still experiencing issues, try the following troubleshooting tips:

• Verify that the `ckeditor` folder is correctly installed in your Laravel 11 project.
• Check the Laravel log files for any error messages related to file uploads.
• Ensure that the `csrf_token()` is correctly generated in your `ckeditor.js` file.
• Try uploading a small file to test if the issue is specific to larger files.

Conclusion

That’s it! By following these steps and troubleshooting tips, you should be able to resolve the “Cannot Upload File: [Filename]” error in CKEditor 5 with Laravel 11. Remember to double-check your configuration and permissions to ensure a smooth file upload experience for your users.

Keyword	Frequency
CKEditor 5	7
Laravel 11	5
Cannot Upload File	3
CKFinder	2
csrf_token()	1

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Frequently Asked Question

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