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| author | Stefan Giehl <stefan@matomo.org> | 2019-07-03 10:24:04 +0300 |
|---|---|---|
| committer | Thomas Steur <tsteur@users.noreply.github.com> | 2019-07-03 10:24:04 +0300 |
| commit | 8b7b4b2a40d25dc5011ae30b6423af360e0aa208 (patch) | |
| tree | 2c8b35d3d455ea8df811a2ee2fe824e79193531a | |
| parent | 47dbd8ad86dd6e6e545ff1e12a44baf3e7e0fe20 (diff) | |
Truncate very long useragents to prevent possible tracking slowdown (#14581)
* Truncate very long useragents to prevent possible tracking slowdown
* use Common::mb_substr
| -rw-r--r-- | core/DeviceDetectorFactory.php | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/DeviceDetectorFactory.php b/core/DeviceDetectorFactory.php index 896132e792..b88148efee 100644 --- a/core/DeviceDetectorFactory.php +++ b/core/DeviceDetectorFactory.php @@ -9,6 +9,7 @@ namespace Piwik; use DeviceDetector\DeviceDetector; +use Piwik\Common; class DeviceDetectorFactory { @@ -21,6 +22,8 @@ class DeviceDetectorFactory */ public static function getInstance($userAgent) { + $userAgent = Common::mb_substr($userAgent, 0, 500); + if (array_key_exists($userAgent, self::$deviceDetectorInstances)) { return self::$deviceDetectorInstances[$userAgent]; } |