<?php
/**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2023, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
namespace Friendica\Util;
+use Friendica\Core\Logger;
+use Friendica\Core\System;
use Friendica\DI;
+use GuzzleHttp\Psr7\Uri;
/**
* Proxy utilities class
*/
class Proxy
{
-
- /**
- * Default time to keep images in proxy storage
- */
- const DEFAULT_TIME = 86400; // 1 Day
-
/**
* Sizes constants
*/
* 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 = DI::app();
-
- // 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(Strings::normaliseLink(DI::baseUrl()) . '/', DI::baseUrl() . '/', $url);
- return $url;
- }
+ // Trim URL first
+ $url = trim($url);
- // Is the proxy disabled?
- if (DI::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
$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) {
+ if (strlen($proxypath) > 250) {
return DI::baseUrl() . '/proxy/' . $shortpath . '?url=' . urlencode($url);
- } elseif ($writemode) {
- return $longpath;
} else {
return $proxypath . $size;
}
* @return string Proxified HTML code
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function proxifyHtml($html)
+ public static function proxifyHtml(string $html): string
{
$html = str_replace(Strings::normaliseLink(DI::baseUrl()) . '/', DI::baseUrl() . '/', $html);
- return preg_replace_callback('/(<img [^>]*src *= *["\'])([^"\']+)(["\'][^>]*>)/siU', 'self::replaceUrl', $html);
+ return preg_replace_callback('/(<img [^>]*src *= *["\'])([^"\']+)(["\'][^>]*>)/siU', [self::class, 'replaceUrl'], $html);
}
/**
* Checks if the URL is a local URL.
*
* @param string $url
+ *
* @return boolean
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function isLocalImage($url)
+ public static function isLocalImage(string $url): bool
{
if (substr($url, 0, 1) == '/') {
return true;
return true;
}
- // links normalised - bug #431
- $baseurl = Strings::normaliseLink(DI::baseUrl());
- $url = Strings::normaliseLink($url);
-
- return (substr($url, 0, strlen($baseurl)) == $baseurl);
+ return Network::isLocalLink($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 [];
+ }
}
/**
* 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]);
projects / friendica.git / blobdiff