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Merge pull request #1914 from sgoranov/fix/1913-datetime-overflow

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Fix DateTimeHelper::ParseRFC2822DateString integer overflow on 32-bit PHP
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Maarten 2025-06-16 17:30:55 +02:00 • committed by GitHub
commit 24bb509b96
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1 changed files with 14 additions and 3 deletions
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17
snappymail/v/0.0.0/app/libraries/MailSo/Base/DateTimeHelper.php
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@ -54,11 +54,22 @@ abstract class DateTimeHelper
\DateTime::createFromFormat('d M Y H:i:s O', $sDateTime, static::GetUtcTimeZoneObject()) \DateTime::createFromFormat('d M Y H:i:s O', $sDateTime, static::GetUtcTimeZoneObject())
// Using T (obsolete timezone abbreviation) // Using T (obsolete timezone abbreviation)
?: \DateTime::createFromFormat('d M Y H:i:s T', $sDateTime, static::GetUtcTimeZoneObject()); ?: \DateTime::createFromFormat('d M Y H:i:s T', $sDateTime, static::GetUtcTimeZoneObject());
// 398045302 is 1982-08-13 00:08:22 the date RFC 822 was created
if (!$oDateTime || 398045302 > $oDateTime->getTimestamp()) { try {
$timestamp = $oDateTime->getTimestamp();
// 398045302 is 1982-08-13 00:08:22, the date RFC 822 was created
if (398045302 > $timestamp) {
\SnappyMail\Log::notice('', "Failed to parse RFC 2822 date '{$sDateTime}'");
return 0;
}
return $timestamp;
} catch (\Error $error) {
// Catch integer overflow or other fatal errors
\SnappyMail\Log::notice('', "Failed to parse RFC 2822 date '{$sDateTime}'"); \SnappyMail\Log::notice('', "Failed to parse RFC 2822 date '{$sDateTime}'");
return 0;
} }
return $oDateTime ? $oDateTime->getTimestamp() : 0;
} }
/** /**