Replace unsupported characters in all tracking request params (#13437)

* replace unsupported characters in all tracking request params

* Ensure unsupported chars are replaced in json_encoded params as well

* Adds simple test for 4byte UTF8 chars

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/PHPUnit/Fixtures/Utf8mb4.php b/tests/PHPUnit/Fixtures/Utf8mb4.php
new file mode 100644
index 0000000000..20313332b9
--- /dev/null
+++ b/tests/PHPUnit/Fixtures/Utf8mb4.php
@@ -0,0 +1,52 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link    http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+namespace Piwik\Tests\Fixtures;
+
+use Piwik\Date;
+use Piwik\Tests\Framework\Fixture;
+
+/**
+ *
+ */
+class Utf8mb4 extends Fixture
+{
+    public $idSite = 1;
+    public $dateTime = '2010-01-04 00:11:42';
+
+    public $trackInvalidRequests = true;
+
+    public function setUp()
+    {
+        $this->setUpWebsitesAndGoals();
+        $this->trackVisits();
+    }
+
+    public function tearDown()
+    {
+        // empty
+    }
+
+    private function setUpWebsitesAndGoals()
+    {
+        if (!self::siteCreated($idSite = 1)) {
+            self::createWebsite($this->dateTime);
+        }
+    }
+
+    private function trackVisits()
+    {
+        $t = self::getTracker($this->idSite, $this->dateTime, $defaultInit = true);
+        $t->setForceVisitDateTime(Date::factory($this->dateTime)->addHour(1)->getDatetime());
+        $t->setUrlReferrer('http://www.google.com/search?q=😡');
+        $t->setUrl('http://example.org/foo/🙙.html');
+        self::checkResponse($t->doTrackPageView('incredible 🚜'));
+
+        $t->addEcommerceItem('sku 🛸', 'name 🛩', 'category 🛤', 95);
+        self::checkResponse($t->doTrackEcommerceCartUpdate(100));
+    }
+}
\ No newline at end of file