PHP Conf::getDefaultUpstreamBaseUrlComponent方法代码示例

 public static function applyReverse(&$body)
 {
     foreach (RedirectWhenBlockedFull::getAltBaseUrls() as $alt_base_url) {
         $searches = array($alt_base_url . 'http://' => 'http://', $alt_base_url . 'https://' => 'https://', $alt_base_url => Conf::getDefaultUpstreamBaseUrlComponent('scheme') . '://' . Conf::getDefaultUpstreamBaseUrlComponent('host') . '/');
         // Add url-encoded versions.
         foreach ($searches as $search => $replace) {
             $search = urlencode($search);
             if (!isset($searches[$search])) {
                 $searches[$search] = urlencode($replace);
             }
         }
         // Special case when only first colon is encoded.
         // Should be moved to site-specific config.
         foreach ($searches as $search => $replace) {
             $search = str_replace('://', urlencode(':') . '//', $search);
             if (!isset($searches[$search])) {
                 $searches[$search] = str_replace('://', urlencode(':') . '//', $replace);
             }
         }
         foreach ($searches as $search => $replace) {
             $body = str_replace($search, $replace, $body);
         }
     }
 }

 public function getUrl()
 {
     static $url;
     if (!isset($url)) {
         if (isset($_GET[RedirectWhenBlockedFull::QUERY_STRING_PARAM_NAME]) && $_GET[RedirectWhenBlockedFull::QUERY_STRING_PARAM_NAME] == Conf::OUTPUT_TYPE_APK && Conf::$apk_url) {
             $url = Conf::$apk_url;
             $filename = basename(parse_url($url, PHP_URL_PATH));
             header('Content-Disposition: attachment; filename=' . $filename);
             // Run after all other code to override other content-type header.
             register_shutdown_function(function () {
                 header('Content-Type: application/vnd.android.package-archive');
             });
         } else {
             $url = RedirectWhenBlockedFull::getRequestUriWithoutQueryStringParam();
             $this->removeThisScriptDirFromUrl($url);
             if (startsWith($url, '/http://') || startsWith($url, '/https://')) {
                 $url = substr($url, 1);
                 if (!TextExternalUrlFilters::matchesUrl($url)) {
                     header('HTTP/1.0 403 Forbidden');
                     exit;
                 }
                 // If we for some reason have the default upstream host and scheme in the URL, remove them.
                 $url_components = parse_url($url);
                 if ($url_components['host'] == Conf::getDefaultUpstreamBaseUrlComponent('host') && $url_components['scheme'] == Conf::getDefaultUpstreamBaseUrlComponent('scheme')) {
                     $new_url = http_build_path_query_fragment($url_components);
                     $new_url = RedirectWhenBlockedFull::getBaseUrl() . ltrim($new_url, '/');
                     header('Location: ' . $new_url);
                     exit;
                 }
                 // Use in DomUtlFilters for relative URLs.
                 $base_url_suffix = rtrim(http_build_scheme_host($url), '/') . '/';
                 RedirectWhenBlockedFull::setBaseUrlSuffix($base_url_suffix);
             } else {
                 if ($url == '/') {
                     if (Conf::$default_upstream_url) {
                         $url = Conf::$default_upstream_url;
                     }
                 }
                 $url = Conf::$default_upstream_base_url . $url;
             }
         }
     }
     // Reverse rewrites of parameters inside URL.
     TextExternalUrlFilters::applyReverse($url);
     Log::add($url, 'url');
     return $url;
 }

require 'conf-local.inc.php';
function getCacheControlHeader($max_age, $stale_while_revalidate, $stale_if_error)
{
    return 'max-age=' . $max_age . ', stale-while-revalidate=' . $stale_while_revalidate . ', stale-if-error=' . $stale_if_error;
}
function getDownstreamOrigin()
{
    static $downstream_origin_verified;
    if (!isset($downstream_origin_verified)) {
        $downstream_origin_verified = NULL;
        if (isset($_SERVER['HTTP_ORIGIN'])) {
            $downstream_origin = $_SERVER['HTTP_ORIGIN'];
        } elseif (isset($_SERVER['HTTP_REFERER'])) {
            $downstream_origin = http_build_scheme_host($_SERVER['HTTP_REFERER']);
        }
        if (isset($downstream_origin)) {
            foreach (RedirectWhenBlockedFull::getAltBaseUrls() as $alt_url_base) {
                if ($downstream_origin == http_build_scheme_host($alt_url_base)) {
                    $downstream_origin_verified = $downstream_origin;
                    break;
                }
            }
        }
    }
    return $downstream_origin_verified;
}
RedirectWhenBlockedFull::addUrlsFromConfDir();
TextExternalUrlFilters::addHost(Conf::getDefaultUpstreamBaseUrlComponent('host'));
DomUrlFilters::addAttribute('action');
DomUrlFilters::addAttribute('href');
DomUrlFilters::addAttribute('src');