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fix(06): CR-01 validate recurrenceUntil as YYYY-MM-DD to close RRULE injection

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Lucas Berger
2026-06-10 16:51:06 -04:00
parent 924d8e2347
commit d101aa899d
2 changed files with 10 additions and 4 deletions
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apps/api/src/routes/events.ts
+5 -2
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@@ -107,8 +107,11 @@ const eventFieldsSchema = z.object({
recurrence: z.enum(['none', 'daily', 'weekly', 'monthly', 'yearly']).optional(),
calendarUrl: z.string().url().max(1024).optional(),
// D-06: recurrence bounding (RRULE UNTIL / COUNT)
// T-06-02: max(10) bounds 'YYYY-MM-DD'; int().min(1) prevents zero/negative counts
recurrenceUntil: z.string().max(10).optional(), // 'YYYY-MM-DD' → RRULE UNTIL
// CR-01: validate the exact 'YYYY-MM-DD' shape (reusing eventsQuerySchema's regex) so a
// ≤10-char non-date string cannot survive .replace(/-/g,'') and inject extra ';'-delimited
// RRULE parts when spliced into the UNTIL template (outboxWorker.assembleRruleString).
// int().min(1) prevents zero/negative counts.
recurrenceUntil: z.string().regex(/^\d{4}-\d{2}-\d{2}$/).optional(), // 'YYYY-MM-DD' → RRULE UNTIL
recurrenceCount: z.number().int().min(1).optional(), // integer ≥ 1 → RRULE COUNT
})