Add feature to exclude tracking requests via config file (#16302)

1 files changed, 67 insertions, 0 deletions

diff --git a/core/Tracker/Request.php b/core/Tracker/Request.php
index 98133e4319..93d64d0781 100644
--- a/core/Tracker/Request.php
+++ b/core/Tracker/Request.php
@@ -20,6 +20,7 @@ use Matomo\Network\IPUtils;
 use Piwik\Piwik;
 use Piwik\Plugins\UsersManager\UsersManager;
 use Piwik\ProxyHttp;
+use Piwik\Segment\SegmentExpression;
 use Piwik\Tracker;
 use Piwik\Cache as PiwikCache;
 
@@ -234,6 +235,72 @@ class Request
         return false;
     }
 
+    public function isRequestExcluded()
+    {
+        $config = Config::getInstance();
+        $tracker = $config->Tracker;
+
+        if (!empty($tracker['exclude_requests'])) {
+            $excludedRequests = explode(',', $tracker['exclude_requests']);
+            $pattern = '/^(.+?)('.SegmentExpression::MATCH_EQUAL.'|'
+                .SegmentExpression::MATCH_NOT_EQUAL.'|'
+                .SegmentExpression::MATCH_CONTAINS.'|'
+                .SegmentExpression::MATCH_DOES_NOT_CONTAIN.'|'
+                .preg_quote(SegmentExpression::MATCH_STARTS_WITH).'|'
+                .preg_quote(SegmentExpression::MATCH_ENDS_WITH)
+                .'){1}(.*)/';
+            foreach ($excludedRequests as $excludedRequest) {
+                $match = preg_match($pattern, $excludedRequest, $matches);
+
+                if (!empty($match)) {
+                    $leftMember = $matches[1];
+                    $operation = $matches[2];
+                    if (!isset($matches[3])) {
+                        $valueRightMember = '';
+                    } else {
+                        $valueRightMember = urldecode($matches[3]);
+                    }
+                    $actual = Common::getRequestVar($leftMember, '', 'string', $this->params);
+                    $actual = Common::mb_strtolower($actual);
+                    $valueRightMember = Common::mb_strtolower($valueRightMember);
+                    switch ($operation) {
+                        case SegmentExpression::MATCH_EQUAL:
+                            if ($actual === $valueRightMember) {
+                                return true;
+                            }
+                            break;
+                        case SegmentExpression::MATCH_NOT_EQUAL:
+                            if ($actual !== $valueRightMember) {
+                                return true;
+                            }
+                            break;
+                        case SegmentExpression::MATCH_CONTAINS:
+                            if (stripos($actual, $valueRightMember) !== false) {
+                                return true;
+                            }
+                            break;
+                        case SegmentExpression::MATCH_DOES_NOT_CONTAIN:
+                            if (stripos($actual, $valueRightMember) === false) {
+                                return true;
+                            }
+                            break;
+                        case SegmentExpression::MATCH_STARTS_WITH:
+                            if (stripos($actual, $valueRightMember) === 0) {
+                                return true;
+                            }
+                            break;
+                        case SegmentExpression::MATCH_ENDS_WITH:
+                            if (Common::stringEndsWith($actual, $valueRightMember)) {
+                                return true;
+                            }
+                            break;
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
     /**
      * Returns the language the visitor is viewing.
      *