build/appinfo/app.php


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<?php
$url = \OC::$server->getConfig()->getAppValue('piwik', 'url');

if (!empty($url)) {
    \OCP\Util::addHeader(
        'script',
        [
            'src' => \OC::$server->getURLGenerator()->linkToRoute('piwik.JavaScript.tracking'),
            'nonce' => \OC::$server->getContentSecurityPolicyNonceManager()->getNonce(),
        ], ''
    );

    $parseurl = parse_url($url);
    $url = $parseurl['host'];
    if (isset($parseurl['port'])) {
      $url .= ':' . (string) $parseurl['port'];
    }
    $policy = new OCP\AppFramework\Http\ContentSecurityPolicy();

    if ($url !== false && array_key_exists('HTTP_HOST', $_SERVER)
        && $_SERVER['HTTP_HOST'] !== $url && !empty($url)) {
        $policy->addAllowedScriptDomain($url);
        $policy->addAllowedImageDomain($url);

        \OC::$server->getContentSecurityPolicyManager()->addDefaultPolicy($policy);
    }
}