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fix(registration): enforce the strict user ID grammar

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previously, !is_historical was used, but this caused user IDs that are no longer allowed under the current spec version's historial grammer to be allowed in registration
This commit is contained in:
Matthias Ahouansou 2025-06-22 01:11:03 +01:00
parent 1ea5f412b6
commit 3248efbe4b
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1 changed files with 4 additions and 3 deletions
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7
src/api/client_server/account.rs
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@ -25,7 +25,7 @@ const RANDOM_USER_ID_LENGTH: usize = 10;
/// Checks if a username is valid and available on this server.
///
/// Conditions for returning true:
/// - The user id is not historical
/// - The user id must be valid according to the strict grammar
/// - The server name of the user id matches this server
/// - No user or appservice on this server already claimed this username
///
@ -40,7 +40,8 @@ pub async fn get_register_available_route(
)
.ok()
.filter(|user_id| {
!user_id.is_historical() && user_id.server_name() == services().globals.server_name()
user_id.validate_strict().is_ok()
&& user_id.server_name() == services().globals.server_name()
})
.ok_or(Error::BadRequest(
ErrorKind::InvalidUsername,
@ -92,7 +93,7 @@ pub async fn register_route(body: Ruma<register::v3::Request>) -> Result<registe
)
.ok()
.filter(|user_id| {
!user_id.is_historical()
user_id.validate_strict().is_ok()
&& user_id.server_name() == services().globals.server_name()
})
.ok_or(Error::BadRequest(