Symfony version(s) affected

6.3

Description

MailgunPayloadConverter threw a RejectWebhookException ("Invalid date") when converting a valid Mailgun webhook in which the payload's timestamp value was 1693425964.0000026. json_encode changed that value to 1693425964.0, and the exception occurred because in line 53 the code

\DateTimeImmutable::createFromFormat('U.u', $payload['timestamp']

did not return a DateTimeImmutable.

How to reproduce

run

MailgunPayloadConverter::convert($payload)

with a payload containing a timestamp with a microsecond value less than 000050.

Possible Solution

Replace line 53 with

if (!$date = \DateTimeImmutable::createFromFormat('U.u', number_format($payload['timestamp'], 6, '.', ''))) {

Additional Context

php is version 8,1