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fix(oidc): keep dots in generated usernames

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The OIDC username sanitizer stripped dots because they were missing from the
allowed character class, so a name claim like "first.last" became "firstlast".
Dots are valid usernames (the profile validator already allows
^[a-zA-Z0-9_.-]+$), so add the dot to the sanitizer.
This commit is contained in:
Maurice
2026-06-17 21:00:04 +02:00
parent b3fc5411ca
commit e09849d5b4
1 changed files with 4 additions and 2 deletions
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server/src/services/oidcService.ts
+4 -2
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@@ -417,8 +417,10 @@ export function findOrCreateUser(
const bcrypt = require('bcryptjs');
const hash = bcrypt.hashSync(randomPass, 10);
// Username: sanitize and avoid collisions
let username = name.replace(/[^a-zA-Z0-9_-]/g, '').substring(0, 30) || 'user';
// Username: sanitize and avoid collisions. Keep dots — they are valid in
// usernames (see the ^[a-zA-Z0-9_.-]+$ validation in authService) and common
// in OIDC name claims like "first.last".
let username = name.replace(/[^a-zA-Z0-9_.-]/g, '').substring(0, 30) || 'user';
const existing = db.prepare('SELECT id FROM users WHERE LOWER(username) = LOWER(?)').get(username);
if (existing) username = `${username}_${Date.now() % 10000}`;