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Trim the subject before encrypting the subject #383

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merged 1 commit into from Jul 16, 2019
Merged

Trim the subject before encrypting the subject #383

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9 changes: 8 additions & 1 deletion lib/Push.php
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Expand Up @@ -187,11 +187,18 @@ protected function encryptAndSign(Key $userKey, array $device, int $id, INotific
$data = [
'nid' => $id,
'app' => $notification->getApp(),
'subject' => $notification->getParsedSubject(),
'subject' => '',
'type' => $notification->getObjectType(),
'id' => $notification->getObjectId(),
];

// Max length of encryption is 255, so we need to shorten the subject to be shorter
$subject = $notification->getParsedSubject();
$dataLength = 245 - strlen(json_encode($data));
if (strlen($subject) > $dataLength) {
$data['subject'] = substr($subject, 0, $dataLength) . '…';
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Should the substr not be 1 shorter than the dataLength?

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I started with 245, instead of 255 so we have a little buffer there

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Ah ok perfect. I wasn't sure if that was maybe for other metadata somewhere.

}

if ($isTalkNotification) {
$priority = 'high';
} else {
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