It sounds like you're running into TW5's CSRF protection. You can either ensure 
the specified header is present, or disable CSRF protection:

https://tiddlywiki.com/#WebServer%20Parameter%3A%20csrf-disable

Best wishes

Jeremy

--
Jeremy Ruston
jer...@jermolene.com
https://jermolene.com

> On 16 Jan 2021, at 09:15, BJ <buggy...@gmail.com> wrote:
> 
> 
> 
> I doubt if this is a bug. I have no idea if tiddlywiki supports anything 
> other than saving tiddlers... You could open an issue on github with the 
> tiddlywiki repository to try and get some expert advise. 
> 
> You could run your own server to support ckeditor upload requests.
> 
> 
>> On Saturday, January 16, 2021 at 7:41:45 AM UTC+1 bluespire wrote:
>> Is there any way we could get Jeremy to weigh in on this? I'm not sure if 
>> this is a bug or a CKEditor configuration problem.
>> 
>>> On Thursday, January 14, 2021 at 4:47:29 AM UTC-6 BJ wrote:
>>> That message is produced by the tw server here:
>>> 
>>>     if(!this.csrfDisable && authorizationType === "writers" && 
>>> request.headers["x-requested-with"] !== "TiddlyWiki") {
>>>         response.writeHead(403,"'X-Requested-With' header required to login 
>>> to '" + this.servername + "'");
>>>         response.end();
>>>         return;        
>>>     }
>>> 
>>> I do not know if the tiddlywiki server will support upload....
>>>> On Thursday, January 14, 2021 at 8:14:32 AM UTC+1 bluespire wrote:
>>>> OK. You pointed me in the right direction. I defined the necessary 
>>>> ckeditor variables in  $:/plugins/bj/visualeditor/config.json  to make 
>>>> uploading work. Now I have the upload tab. However, I still have a 
>>>> blocker. When I try to upload an image through ckeditor I get the 
>>>> following error in the console: Status Code: 403 'X-Requested-With' header 
>>>> required to login to 'My ~TiddlyWiki'. I feel like I'm almost there . . . 
>>>> My wiki is just a basic nodejs instance IP:8080. All my ckeditor files and 
>>>> upload folder are in the ./files folder. I have no authentication enabled. 
>>>> I'm not quite sure why I'm getting a 403. Googling it doesn't really give 
>>>> me a solution, so I'm thinking it's a TW-specific issue.
>>>> 
>>>>  
>>>> 
>>>>> On Saturday, January 9, 2021 at 4:39:34 AM UTC-6 BJ wrote:
>>>>> I don't have a problem with pasting images with  my setup - I use 4.3.2 
>>>>> of the ckeditor lib. However I do not past images dirrectly into ckeditor 
>>>>> as this creates large tiddlers.
>>>>> 
>>>>> As tiddlywiki is a dynamic webpage, the plugin for ckeditor uses 
>>>>> javascript to call the ckeditor lib thru its api - it does not use the 
>>>>> script tags. I have included the abilty to add config information thru 
>>>>> the tiddler 
>>>>> $:/plugins/bj/visualeditor/config.json 
>>>>> 
>>>>> cheer
>>>>> 
>>>>> BJ
>>>>> 
>>>>>> On Friday, January 8, 2021 at 10:26:05 PM UTC+1 bluespire wrote:
>>>>>> I don't want to use the native drag/drop/paste for images that TW5 uses. 
>>>>>> It's WAY to unwieldy for quickly taking notes and screenshots. I have to 
>>>>>> take these during meetings and presentations. CKeditor supports pasting 
>>>>>> images directly into the editor, but it requires a little bit 
>>>>>> configuration. If you can help me understand where in the code the 
>>>>>> editor is actually instantiated (the <script/> tags that call the 
>>>>>> editor), then I might be able to figure it out. I tried searching for 
>>>>>> it, but couldn't find it.
>>>>>> 
>>>>>>> On Friday, January 8, 2021 at 9:36:26 AM UTC-6 BJ wrote:
>>>>>>> I am not sure what uloading means here - but if you select the tiddler 
>>>>>>> type to be 'text/x-htmlp' then you can use the tiddlywiki image syntax 
>>>>>>> - [img['path to image']] within the ckeditor.
>>>>>>>> On Thursday, January 7, 2021 at 4:06:08 AM UTC+1 bluespire wrote:
>>>>>>>> I've got it to work, for the most part. Now I'm struggling to figure 
>>>>>>>> out why I can't get file pasting and uploading to work (for 
>>>>>>>> screenshots). No matter what I try, I keep getting a console error 
>>>>>>>> about the upload variable not being set. Now, most of the examples 
>>>>>>>> that I see for setting this up use a JS script to instantiate ckeditor 
>>>>>>>> in the body of an HTML page. I'm not sure what the analog to that is 
>>>>>>>> in TW5. Anyone have any ideas on this?
>>>>>>>> 
>>>>>>>>> On Monday, December 28, 2020 at 12:23:54 PM UTC-6 bluespire wrote:
>>>>>>>>> @Mark @ BJ
>>>>>>>>> Mark, that worked brilliantly. FYI, it was working using the 
>>>>>>>>> cloudflare link, but I wanted to customize the package, and that can 
>>>>>>>>> only be done with a local file.
>>>>>>>>> Thanks so much!
>>>>>>>>> 
>>>>>>>>> BJ, can you update your documentation for this nodejs solution?
>>>>>>>>> 
>>>>>>>>>> On Sunday, December 27, 2020 at 9:58:12 PM UTC-6 Mark S. wrote:
>>>>>>>>>>> On Sunday, December 27, 2020 at 7:42:14 PM UTC-8 bluespire wrote:
>>>>>>>>>>> Current body of "$:/plugin/bj/visualeditor/includelib": <script 
>>>>>>>>>>> src='file:\\\c\users\Persona\Apps\TiddlyWikis\Personal\ckeditor\ckeditor.js'></script>
>>>>>>>>>> 
>>>>>>>>>> I would be surprised if the browser allowed you mix a web page (even 
>>>>>>>>>> if local) with a local file path.
>>>>>>>>>> 
>>>>>>>>>> Can you navigate to  
>>>>>>>>>> http://cdnjs.cloudflare.com/ajax/libs/ckeditor/4.3.2/ckeditor.js ?
>>>>>>>>>> 
>>>>>>>>>> (I can right now, but understand it may go down).
>>>>>>>>>> 
>>>>>>>>>> If so, you might try changing src above to
>>>>>>>>>> 
>>>>>>>>>> src="http://cdnjs.cloudflare.com/ajax/libs/ckeditor/4.3.2/ckeditor.js";
>>>>>>>>>>  
>>>>>>>>>> TW on node now has a way to serve up static files. Not sure if it 
>>>>>>>>>> will serve up js files though. But if you wanted your own offline 
>>>>>>>>>> (not on the net) version, you would need to serve up ckeditor.js 
>>>>>>>>>> somehow, I think.
>>>>>>>>>> 
>>>>>>>>>> See 
>>>>>>>>>> https://tiddlywiki.com/#Using%20the%20integrated%20static%20file%20server
>>>>>>>>>> 
>>>>>>>>>> So you would make a files directory, put ckeditor.js in it, and 
>>>>>>>>>> change src to the path ckeditor.js has on your local server.
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
> 
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