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ccd0 / 4chan-x

Adds various features to anonymous imageboards.
https://www.4chan-x.net/
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Can't use Quick Reply, Getting ''Connection error while posting.'' error #2474

Closed DesertStars closed 4 years ago

DesertStars commented 4 years ago

Steps to reproduce:

Try to post in 4chan - not 4channel - via Quick Reply.

Expected Result:

Succeeded at posting.

Current Result:

Get ''Connection error while posting.'' error. The more detailed error Mozilla gives is:

''Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://sys.4chan.org/h/post. (Reason: CORS request did not succeed).''

More information:

Browser: Mozilla Firefox 70.0.1 (64-bit)

Both Violentmonkey and 4chanX is up to date.

I know there's a mentioned workaround in the wiki, saying ''8 May 2017: If you are having connection errors when posting certain text, it is because of an extra captcha Cloudflare wants you to solve before allowing your post to go through to 4chan. It is not yet integrated correctly with 4chan yet (CORS headers are missing). To make your post go through, you will need to use the post form at the top of the page (click the "[Original Form]" link).''

But does this issue still persist? I thought it was resolved, am I wrong?

DesertStars commented 4 years ago

Already tried turning off ''Show Upload Progress'' option by the way, no luck there. Also I can't reproduce in Chromium, it posts just fine so it's a Firefox only issue I guess.

ccd0 commented 4 years ago

What do you get when you try to post using the original post form?

DesertStars commented 4 years ago

In Console?

Content Security Policy: Ignoring “'unsafe-inline'” within script-src: ‘strict-dynamic’ specified
Content Security Policy: Ignoring “https:” within script-src: ‘strict-dynamic’ specified
Content Security Policy: Ignoring “http:” within script-src: ‘strict-dynamic’ specified
Content Security Policy: Ignoring “'unsafe-inline'” within script-src: ‘strict-dynamic’ specified
Content Security Policy: Ignoring “https:” within script-src: ‘strict-dynamic’ specified
Content Security Policy: Ignoring “http:” within script-src: ‘strict-dynamic’ specified
[Nano] Nano Defender Activated :: boards.4chan.org core.js:43:24
[Nano] Excluded :: uBO-Extra

And then I get the ''Post successful'' screen.

Meanwhile Quick Reply gives this:

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://sys.4chan.org/h/post. (Reason: CORS request did not succeed).
4chan X failed to load: https://sys.4chan.org/h/post

The page Firefox redirects me in console for more information says

''In many cases, it is caused by a browser plugin (e.g. an ad blocker or privacy protector) blocking the request.''

and I have a lot of extensions added so I suspect it may be caused by them, I'll try with them disabled to see if it's caused by that.

DesertStars commented 4 years ago

The culprit was an extension as I suspected, ''Windscribe VPN'' to be precise, going to ''Add-ons Manager'' menu and disabling the extension fixed the issue. Though it wasn't on when I was trying to post it, otherwise I wouldn't be able to post with Original Form either as it'd just give me a warning saying your IP range is banned.

Sorry for the inconvenience I've made, I'm closing the issue now as the problem has been solved.