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fix: Correctly check for local users' existence #1746

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ginger merged 2 commits from ginger/fix-local-user-existence-check into main 2026-05-08 16:50:23 +00:00
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ginger commented 2026-05-08 15:49:41 +00:00
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This pull request stops services.users.exists() from erroneously returning true for remote users. Fixes #1745.

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This pull request stops `services.users.exists()` from erroneously returning `true` for remote users. Fixes #1745. <!-- Example: This pull request allows us to warp through time and space ten times faster than before by double-inverting the warp drive with hyperheated jump fluid, both making the drive faster and more efficient. This resolves the common issue where we have to wait more than 10 milliseconds to engage, use, and disengage the warp drive when travelling between galaxies. --> <!-- Closes: #... --> <!-- Fixes: #... --> <!-- Uncomment the above line(s) if your pull request fixes an issue or closes another pull request by superseding it. Replace `#...` with the issue/pr number, such as `#123`. --> **Pull request checklist:** <!-- You need to complete these before your PR can be considered. If you aren't sure about some, feel free to ask for clarification in #dev:continuwuity.org. --> - [x] This pull request targets the `main` branch, and the branch is named something other than `main`. - [x] I have written an appropriate pull request title and my description is clear. - [x] I understand I am responsible for the contents of this pull request. - I have followed the [contributing guidelines][c1]: - [x] My contribution follows the [code style][c2], if applicable. - [x] I ran [pre-commit checks][c1pc] before opening/drafting this pull request. - [x] I have [tested my contribution][c1t] (or proof-read it for documentation-only changes) myself, if applicable. This includes ensuring code compiles. - [x] My commit messages follow the [commit message format][c1cm] and are descriptive. <!-- Notes on these requirements: - While not required, we encourage you to sign your commits with GPG or SSH to attest the authenticity of your changes. - While we allow LLM-assisted contributions, we do not appreciate contributions that are low quality, which is typical of machine-generated contributions that have not had a lot of love and care from a human. Please do not open a PR if all you have done is asked ChatGPT to tidy up the codebase with a +-100,000 diff. - In the case of code style violations, reviewers may leave review comments/change requests indicating what the ideal change would look like. For example, a reviewer may suggest you lower a log level, or use `match` instead of `if/else` etc. - In the case of code style violations, pre-commit check failures, minor things like typos/spelling errors, and in some cases commit format violations, reviewers may modify your branch directly, typically by making changes and adding a commit. Particularly in the latter case, a reviewer may rebase your commits to squash "spammy" ones (like "fix", "fix", "actually fix"), and reword commit messages that don't satisfy the format. - Pull requests MUST pass the `Checks` CI workflows to be capable of being merged. This can only be bypassed in exceptional circumstances. If your CI flakes, let us know in matrix:r/dev:continuwuity.org. - Pull requests have to be based on the latest `main` commit before being merged. If the main branch changes while you're making your changes, you should make sure you rebase on main before opening a PR. Your branch will be rebased on main before it is merged if it has fallen behind. - We typically only do fast-forward merges, so your entire commit log will be included. Once in main, it's difficult to get out cleanly, so put on your best dress, smile for the cameras! --> [c1]: https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/CONTRIBUTING.md [c2]: https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/docs/development/code_style.mdx [c1pc]: https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/CONTRIBUTING.md#pre-commit-checks [c1t]: https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/CONTRIBUTING.md#running-tests-locally [c1cm]: https://forgejo.ellis.link/continuwuation/continuwuity/src/branch/main/CONTRIBUTING.md#commit-messages
fix: Correctly check for local users' existence
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Henry-Hiles reviewed 2026-05-08 15:51:25 +00:00
src/service/users/mod.rs Outdated
@ -259,3 +259,3 @@
/// deactivated) account on this homeserver.
#[inline]
pub async fn exists(&self, user_id: &UserId) -> bool {
self.db.userid_password.get(user_id).await.is_ok()
Henry-Hiles commented 2026-05-08 15:51:25 +00:00
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Why did the old behavior here break? I'm curious why getting a password for a remote user would return Okay?

Why did the old behavior here break? I'm curious why getting a password for a remote user would return Okay?
ginger commented 2026-05-08 15:53:56 +00:00
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Remote users are also stored in userid_password with an empty password, for the purpose of user search. This is something I plan to change eventually, because it's a really stupid and footgun-prone way to handle it, but it was causing exists to return true for remote users if Continuwuity had seen them in a room before.

Remote users are also stored in `userid_password` with an empty password, for the purpose of user search. This is something I plan to change eventually, because it's a really stupid and footgun-prone way to handle it, but it was causing `exists` to return `true` for remote users if Continuwuity had seen them in a room before.
Henry-Hiles commented 2026-05-08 15:54:29 +00:00
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Oh thats a design decision for sure :3

Oh thats a design decision for sure :3
ginger marked this conversation as resolved
nex approved these changes 2026-05-08 16:38:31 +00:00
nex left a comment
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i wonder what this button does

i wonder what this button does
chore: Clippy fixes
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39a882c4a1
ginger scheduled this pull request to auto merge when all checks succeed 2026-05-08 16:42:09 +00:00
ginger merged commit 39a882c4a1 into main 2026-05-08 16:50:23 +00:00
ginger deleted branch ginger/fix-local-user-existence-check 2026-05-08 16:50:23 +00:00
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