Detection of local requests

This commit is contained in:
Michael 2021-07-19 06:14:14 +00:00
parent 01abea7c25
commit 2647514603
3 changed files with 36 additions and 13 deletions

View file

@ -804,30 +804,33 @@ class Photo
}
/**
* Returns the GUID from picture links
* Fetch the guid and scale from picture links
*
* @param string $name Picture link
* @return string GUID
* @throws \Exception
* @return array
*/
public static function getGUID($name)
public static function getResourceData(string $name):array
{
$base = DI::baseUrl()->get();
$guid = str_replace([Strings::normaliseLink($base), '/photo/'], '', Strings::normaliseLink($name));
if (parse_url($guid, PHP_URL_SCHEME)) {
return [];
}
$guid = self::stripExtension($guid);
if (substr($guid, -2, 1) != "-") {
return '';
return [];
}
$scale = intval(substr($guid, -1, 1));
if (!is_numeric($scale)) {
return '';
return [];
}
$guid = substr($guid, 0, -2);
return $guid;
return ['guid' => $guid, 'scale' => $scale];
}
/**
@ -839,13 +842,12 @@ class Photo
*/
public static function isLocal($name)
{
$guid = self::getGUID($name);
if (empty($guid)) {
$data = self::getResourceData($name);
if (empty($data)) {
return false;
}
return DBA::exists('photo', ['resource-id' => $guid]);
return DBA::exists('photo', ['resource-id' => $data['guid'], 'scale' => $data['scale']]);
}
/**

View file

@ -74,6 +74,10 @@ class HTTPRequest implements IHTTPRequest
{
$stamp1 = microtime(true);
if (Network::isLocalLink($url)) {
$this->logger->info('Local link', ['url' => $url, 'callstack' => System::callstack(20)]);
}
if (strlen($url) > 1000) {
$this->logger->debug('URL is longer than 1000 characters.', ['url' => $url, 'callstack' => System::callstack(20)]);
$this->profiler->saveTimestamp($stamp1, 'network');
@ -226,6 +230,10 @@ class HTTPRequest implements IHTTPRequest
{
$stamp1 = microtime(true);
if (Network::isLocalLink($url)) {
$this->logger->info('Local link', ['url' => $url, 'callstack' => System::callstack(20)]);
}
if (Network::isUrlBlocked($url)) {
$this->logger->info('Domain is blocked.' . ['url' => $url]);
$this->profiler->saveTimestamp($stamp1, 'network');
@ -328,6 +336,10 @@ class HTTPRequest implements IHTTPRequest
*/
public function finalUrl(string $url, int $depth = 1, bool $fetchbody = false)
{
if (Network::isLocalLink($url)) {
$this->logger->info('Local link', ['url' => $url, 'callstack' => System::callstack(20)]);
}
if (Network::isUrlBlocked($url)) {
$this->logger->info('Domain is blocked.', ['url' => $url]);
return $url;

View file

@ -22,8 +22,8 @@
namespace Friendica\Util;
use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Model\Photo;
/**
* Image utilities
@ -184,7 +184,16 @@ class Images
return $data;
}
if (Network::isLocalLink($url) && ($data = Photo::getResourceData($url))) {
$photo = Photo::getPhoto($data['guid'], $data['scale']);
if (!empty($photo)) {
$img_str = Photo::getImageDataForPhoto($photo);
}
}
if (empty($img_str)) {
$img_str = DI::httpRequest()->fetch($url, 4);
}
if (!$img_str) {
return [];