X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FProxy.php;h=7f3c94672273dacb5341e6d98d6ef4080fd73c4e;hb=a8402109b183e81dad4e5443883dd292df094b86;hp=8478ce868af103794aad2ba1c534fc929dff3a57;hpb=9c9ebfc7c97016881d9ad2bb3c3b54a5640d2f08;p=friendica.git diff --git a/src/Util/Proxy.php b/src/Util/Proxy.php index 8478ce868a..7f3c946722 100644 --- a/src/Util/Proxy.php +++ b/src/Util/Proxy.php @@ -1,31 +1,53 @@ . + * + */ namespace Friendica\Util; -use Friendica\BaseModule; -use Friendica\BaseObject; -use Friendica\Core\Config; +use Friendica\Core\Logger; use Friendica\Core\System; +use Friendica\DI; +use GuzzleHttp\Psr7\Uri; /** - * @brief Proxy utilities class + * Proxy utilities class */ class Proxy { - /** - * Default time to keep images in proxy storage + * Sizes constants */ - const DEFAULT_TIME = 86400; // 1 Day + const SIZE_MICRO = 'micro'; // 48 + const SIZE_THUMB = 'thumb'; // 80 + const SIZE_SMALL = 'small'; // 300 + const SIZE_MEDIUM = 'medium'; // 600 + const SIZE_LARGE = 'large'; // 1024 /** - * Sizes constants + * Pixel Sizes */ - const SIZE_MICRO = 'micro'; - const SIZE_THUMB = 'thumb'; - const SIZE_SMALL = 'small'; - const SIZE_MEDIUM = 'medium'; - const SIZE_LARGE = 'large'; + const PIXEL_MICRO = 48; + const PIXEL_THUMB = 80; + const PIXEL_SMALL = 300; + const PIXEL_MEDIUM = 600; + const PIXEL_LARGE = 1024; /** * Accepted extensions @@ -41,64 +63,43 @@ class Proxy ]; /** - * @brief Private constructor + * Private constructor */ private function __construct () { // No instances from utilities classes } /** - * @brief Transform a remote URL into a local one. + * Transform a remote URL into a local one. * * This function only performs the URL replacement on http URL and if the - * provided URL isn't local, "the isn't deactivated" (sic) and if the config - * system.proxy_disabled is set to false. + * provided URL isn't local * * @param string $url The URL to proxyfy - * @param bool $writemode Returns a local path the remote URL should be saved to - * @param string $size One of the ProxyUtils::SIZE_* constants - * + * @param string $size One of the Proxy::SIZE_* constants * @return string The proxyfied URL or relative path + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - public static function proxifyUrl($url, $writemode = false, $size = '') + public static function proxifyUrl(string $url, string $size = ''): string { - // Get application instance - $a = BaseObject::getApp(); - - // Trim URL first - $url = trim($url); - - // Is no http in front of it? - /// @TODO To weak test for being a valid URL - if (substr($url, 0, 4) !== 'http') { + if (!DI::config()->get('system', 'proxify_content')) { return $url; } - // Only continue if it isn't a local image and the isn't deactivated - if (self::isLocalImage($url)) { - $url = str_replace(normalise_link(System::baseUrl()) . '/', System::baseUrl() . '/', $url); - return $url; - } + // Trim URL first + $url = trim($url); - // Is the proxy disabled? - if (Config::get('system', 'proxy_disabled')) { + // Quit if not an HTTP/HTTPS link or if local + if (!in_array(parse_url($url, PHP_URL_SCHEME), ['http', 'https']) || self::isLocalImage($url)) { return $url; } // Image URL may have encoded ampersands for display which aren't desirable for proxy $url = html_entity_decode($url, ENT_NOQUOTES, 'utf-8'); - // Creating a sub directory to reduce the amount of files in the cache directory - $basepath = $a->getBasePath() . '/proxy'; - $shortpath = hash('md5', $url); $longpath = substr($shortpath, 0, 2); - if (is_dir($basepath) && $writemode && !is_dir($basepath . '/' . $longpath)) { - mkdir($basepath . '/' . $longpath); - chmod($basepath . '/' . $longpath, 0777); - } - $longpath .= '/' . strtr(base64_encode($url), '+/', '-_'); // Extract the URL extension @@ -109,27 +110,24 @@ class Proxy $longpath .= '.' . $extension; } - $proxypath = System::baseUrl() . '/proxy/' . $longpath; + $proxypath = DI::baseUrl() . '/proxy/' . $longpath; if ($size != '') { $size = ':' . $size; } + Logger::info('Created proxy link', ['url' => $url, 'callstack' => System::callstack(20)]); + // Too long files aren't supported by Apache - // Writemode in combination with long files shouldn't be possible - if ((strlen($proxypath) > 250) && $writemode) { - return $shortpath; - } elseif (strlen($proxypath) > 250) { - return System::baseUrl() . '/proxy/' . $shortpath . '?url=' . urlencode($url); - } elseif ($writemode) { - return $longpath; + if (strlen($proxypath) > 250) { + return DI::baseUrl() . '/proxy/' . $shortpath . '?url=' . urlencode($url); } else { return $proxypath . $size; } } /** - * @brief "Proxifies" HTML code's image tags + * "Proxifies" HTML code's image tags * * "Proxifies", means replaces image URLs in given HTML code with those from * proxy storage directory. @@ -137,21 +135,24 @@ class Proxy * @param string $html Un-proxified HTML code * * @return string Proxified HTML code + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - public static function proxifyHtml($html) + public static function proxifyHtml(string $html): string { - $html = str_replace(normalise_link(System::baseUrl()) . '/', System::baseUrl() . '/', $html); + $html = str_replace(Strings::normaliseLink(DI::baseUrl()) . '/', DI::baseUrl() . '/', $html); - return preg_replace_callback('/(]*src *= *["\'])([^"\']+)(["\'][^>]*>)/siU', 'self::replaceUrl', $html); + return preg_replace_callback('/(]*src *= *["\'])([^"\']+)(["\'][^>]*>)/siU', [self::class, 'replaceUrl'], $html); } /** - * @brief Checks if the URL is a local URL. + * Checks if the URL is a local URL. * * @param string $url + * * @return boolean + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - private static function isLocalImage($url) + public static function isLocalImage(string $url): bool { if (substr($url, 0, 1) == '/') { return true; @@ -161,36 +162,38 @@ class Proxy return true; } - // links normalised - bug #431 - $baseurl = normalise_link(System::baseUrl()); - $url = normalise_link($url); - - return (substr($url, 0, strlen($baseurl)) == $baseurl); + return Network::isLocalLink($url); } /** - * @brief Return the array of query string parameters from a URL + * Return the array of query string parameters from a URL * * @param string $url URL to parse + * * @return array Associative array of query string parameters */ - private static function parseQuery($url) + private static function parseQuery(string $url): array { - $query = parse_url($url, PHP_URL_QUERY); - $query = html_entity_decode($query); + try { + $uri = new Uri($url); - parse_str($query, $arr); + parse_str($uri->getQuery(), $arr); - return $arr; + return $arr; + } catch (\Throwable $e) { + return []; + } } /** - * @brief Call-back method to replace the UR + * Call-back method to replace the UR * * @param array $matches Matches from preg_replace_callback() + * * @return string Proxified HTML image tag + * @throws \Friendica\Network\HTTPException\InternalServerErrorException */ - private static function replaceUrl(array $matches) + private static function replaceUrl(array $matches): string { // if the picture seems to be from another picture cache then take the original source $queryvar = self::parseQuery($matches[2]);