Hi everyone, So recently I discovered that if I inclue ‘~’ in a user’s bios, I get a base64decode error from Discourse. It can handle all sorts of other problematic characters just fine (spaces, =, %, &) but not ~ for some reason. Anyone else encounter this issue? My first thought is that perhaps…

Upon further investigation, I was indeed encoding it wrong. Here is what I ended up with, for posterity: return_payload = base64.b64encode(parse.urlencode(kwargs).encode("utf-8")) h = hmac.new(secret.encode("utf-8"), return_payload, digestmod=hashlib.sha256) resp = requests.post( ".../admin…

It propably should be fixed, but that question is above my paygrade and skills. But out of pure practical curiosity: why someone would use a tilde in a bio?

Heh I guess that’s a reasonable question. I run a multilingual forum and in other cultures ‘~’ is frequently used. As an example, in Korean, it’s often used at the end to soften your tone, like ‘If you have any questions, let me know~’

So this is a bug report and not a support request?

Is it? A bug is something that is done, but doesn’t work. This is more like question ”is it done or not” and then it’s more Contribute > Feature if not a support question.

[圖片] Thomas Kalka: So this is a bug report and not a support request? [圖片] Jakke Flemming: Is it? A bug is something that is done, but doesn’t work. This is more like question ”is it done or not” and then it’s more #feature::category if not a support question. Yeah I think Bug is appro…

I think it is a bug (provided we can repro it)

[圖片] sweetbeems: Here is my python implementation of the encoding: return_payload = base64.urlsafe_b64encode(parse.urlencode(params).encode()) It looks like urlsafe_b64encode replaces some characters in the base64 encoding. From the docs : Encode bytes-like object s using the URL- and files…

与SSO和 '~' 字符有关的问题

支持

Jagster (Jakke Flemming) 2025年二月11日 06:51 2

它可能应该被修复，但这超出了我的能力范围和技能。但出于纯粹的实际好奇：为什么有人会在简介中使用波浪号？

話題		回覆	觀看
Server-side sync_sso rejects valid payloads with 422 "Login Error" when the base64 contains a `+` (triggered by `~` in synced fields) Bug sso , fixed	2	133	2026年七月27日
SSO and e-mail addresses having a plus sign Support	3	2160	2021年四月14日
Watch out for double url encoding of SSO payload SSO	0	1583	2019年七月28日
Registration email address special characters Support	2	524	2021年八月16日
Unicode usernames Development rest-api	28	1934	2024年十一月29日

与SSO和 '~' 字符有关的问题

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