kopia lustrzana https://github.com/friendica/friendica
343 wiersze
9.0 KiB
PHP
343 wiersze
9.0 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (C) 2010-2021, the Friendica project
|
|
*
|
|
* @license GNU APGL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
namespace Friendica\Network;
|
|
|
|
use DOMDocument;
|
|
use DomXPath;
|
|
use Friendica\Core\Config\IConfig;
|
|
use Friendica\Core\System;
|
|
use Friendica\Util\Network;
|
|
use Friendica\Util\Profiler;
|
|
use GuzzleHttp\Client;
|
|
use GuzzleHttp\Cookie\FileCookieJar;
|
|
use GuzzleHttp\Exception\RequestException;
|
|
use GuzzleHttp\Exception\TransferException;
|
|
use GuzzleHttp\RequestOptions;
|
|
use Psr\Http\Message\ResponseInterface;
|
|
use Psr\Log\LoggerInterface;
|
|
|
|
/**
|
|
* Performs HTTP requests to a given URL
|
|
*/
|
|
class HTTPClient implements IHTTPClient
|
|
{
|
|
/** @var LoggerInterface */
|
|
private $logger;
|
|
/** @var Profiler */
|
|
private $profiler;
|
|
/** @var IConfig */
|
|
private $config;
|
|
/** @var string */
|
|
private $userAgent;
|
|
/** @var Client */
|
|
private $client;
|
|
|
|
public function __construct(LoggerInterface $logger, Profiler $profiler, IConfig $config, string $userAgent, Client $client)
|
|
{
|
|
$this->logger = $logger;
|
|
$this->profiler = $profiler;
|
|
$this->config = $config;
|
|
$this->userAgent = $userAgent;
|
|
$this->client = $client;
|
|
}
|
|
|
|
/**
|
|
* @throws HTTPException\InternalServerErrorException
|
|
*/
|
|
protected function request(string $method, string $url, array $opts = []): IHTTPResult
|
|
{
|
|
$this->profiler->startRecording('network');
|
|
$this->logger->debug('Request start.', ['url' => $url, 'method' => $method]);
|
|
|
|
if (Network::isLocalLink($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)]);
|
|
$this->profiler->stopRecording();
|
|
return CurlResult::createErrorCurl(substr($url, 0, 200));
|
|
}
|
|
|
|
$parts2 = [];
|
|
$parts = parse_url($url);
|
|
$path_parts = explode('/', $parts['path'] ?? '');
|
|
foreach ($path_parts as $part) {
|
|
if (strlen($part) <> mb_strlen($part)) {
|
|
$parts2[] = rawurlencode($part);
|
|
} else {
|
|
$parts2[] = $part;
|
|
}
|
|
}
|
|
$parts['path'] = implode('/', $parts2);
|
|
$url = Network::unparseURL($parts);
|
|
|
|
if (Network::isUrlBlocked($url)) {
|
|
$this->logger->info('Domain is blocked.', ['url' => $url]);
|
|
$this->profiler->stopRecording();
|
|
return CurlResult::createErrorCurl($url);
|
|
}
|
|
|
|
$conf = [];
|
|
|
|
if (!empty($opts['cookiejar'])) {
|
|
$jar = new FileCookieJar($opts['cookiejar']);
|
|
$conf[RequestOptions::COOKIES] = $jar;
|
|
}
|
|
|
|
$header = [];
|
|
|
|
if (!empty($opts['accept_content'])) {
|
|
array_push($header, 'Accept: ' . $opts['accept_content']);
|
|
}
|
|
|
|
if (!empty($opts['header'])) {
|
|
$header = array_merge($opts['header'], $header);
|
|
}
|
|
|
|
if (!empty($opts['headers'])) {
|
|
$this->logger->notice('Wrong option \'headers\' used.');
|
|
$header = array_merge($opts['headers'], $header);
|
|
}
|
|
|
|
$conf[RequestOptions::HEADERS] = array_merge($this->client->getConfig(RequestOptions::HEADERS), $header);
|
|
|
|
if (!empty($opts['timeout'])) {
|
|
$conf[RequestOptions::TIMEOUT] = $opts['timeout'];
|
|
}
|
|
|
|
$conf[RequestOptions::ON_HEADERS] = function (ResponseInterface $response) use ($opts) {
|
|
if (!empty($opts['content_length']) &&
|
|
$response->getHeaderLine('Content-Length') > $opts['content_length']) {
|
|
throw new TransferException('The file is too big!');
|
|
}
|
|
};
|
|
|
|
try {
|
|
switch ($method) {
|
|
case 'get':
|
|
$response = $this->client->get($url, $conf);
|
|
break;
|
|
case 'head':
|
|
$response = $this->client->head($url, $conf);
|
|
break;
|
|
default:
|
|
throw new TransferException('Invalid method');
|
|
}
|
|
return new GuzzleResponse($response, $url);
|
|
} catch (TransferException $exception) {
|
|
if ($exception instanceof RequestException &&
|
|
$exception->hasResponse()) {
|
|
return new GuzzleResponse($exception->getResponse(), $url, $exception->getCode(), '');
|
|
} else {
|
|
return new CurlResult($url, '', ['http_code' => $exception->getCode()], $exception->getCode(), '');
|
|
}
|
|
} finally {
|
|
$this->logger->debug('Request stop.', ['url' => $url, 'method' => $method]);
|
|
$this->profiler->stopRecording();
|
|
}
|
|
}
|
|
|
|
/** {@inheritDoc}
|
|
*
|
|
* @throws HTTPException\InternalServerErrorException
|
|
*/
|
|
public function head(string $url, array $opts = []): IHTTPResult
|
|
{
|
|
return $this->request('head', $url, $opts);
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public function get(string $url, array $opts = []): IHTTPResult
|
|
{
|
|
return $this->request('get', $url, $opts);
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public function post(string $url, $params, array $headers = [], int $timeout = 0): IHTTPResult
|
|
{
|
|
$opts = [];
|
|
|
|
$opts[RequestOptions::JSON] = $params;
|
|
|
|
if (!empty($headers)) {
|
|
$opts['headers'] = $headers;
|
|
}
|
|
|
|
if (!empty($timeout)) {
|
|
$opts[RequestOptions::TIMEOUT] = $timeout;
|
|
}
|
|
|
|
return $this->request('post', $url, $opts);
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
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 $url;
|
|
}
|
|
|
|
if (Network::isRedirectBlocked($url)) {
|
|
$this->logger->info('Domain should not be redirected.', ['url' => $url]);
|
|
return $url;
|
|
}
|
|
|
|
$url = Network::stripTrackingQueryParams($url);
|
|
|
|
if ($depth > 10) {
|
|
return $url;
|
|
}
|
|
|
|
$url = trim($url, "'");
|
|
|
|
$this->profiler->startRecording('network');
|
|
|
|
$ch = curl_init();
|
|
curl_setopt($ch, CURLOPT_URL, $url);
|
|
curl_setopt($ch, CURLOPT_HEADER, 1);
|
|
curl_setopt($ch, CURLOPT_NOBODY, 1);
|
|
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
|
curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
|
|
|
|
curl_exec($ch);
|
|
$curl_info = @curl_getinfo($ch);
|
|
$http_code = $curl_info['http_code'];
|
|
curl_close($ch);
|
|
|
|
$this->profiler->stopRecording();
|
|
|
|
if ($http_code == 0) {
|
|
return $url;
|
|
}
|
|
|
|
if (in_array($http_code, ['301', '302'])) {
|
|
if (!empty($curl_info['redirect_url'])) {
|
|
return $this->finalUrl($curl_info['redirect_url'], ++$depth, $fetchbody);
|
|
} elseif (!empty($curl_info['location'])) {
|
|
return $this->finalUrl($curl_info['location'], ++$depth, $fetchbody);
|
|
}
|
|
}
|
|
|
|
// Check for redirects in the meta elements of the body if there are no redirects in the header.
|
|
if (!$fetchbody) {
|
|
return $this->finalUrl($url, ++$depth, true);
|
|
}
|
|
|
|
// if the file is too large then exit
|
|
if ($curl_info["download_content_length"] > 1000000) {
|
|
return $url;
|
|
}
|
|
|
|
// if it isn't a HTML file then exit
|
|
if (!empty($curl_info["content_type"]) && !strstr(strtolower($curl_info["content_type"]), "html")) {
|
|
return $url;
|
|
}
|
|
|
|
$this->profiler->startRecording('network');
|
|
|
|
$ch = curl_init();
|
|
curl_setopt($ch, CURLOPT_URL, $url);
|
|
curl_setopt($ch, CURLOPT_HEADER, 0);
|
|
curl_setopt($ch, CURLOPT_NOBODY, 0);
|
|
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
|
curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
|
|
|
|
$body = curl_exec($ch);
|
|
curl_close($ch);
|
|
|
|
$this->profiler->stopRecording();
|
|
|
|
if (trim($body) == "") {
|
|
return $url;
|
|
}
|
|
|
|
// Check for redirect in meta elements
|
|
$doc = new DOMDocument();
|
|
@$doc->loadHTML($body);
|
|
|
|
$xpath = new DomXPath($doc);
|
|
|
|
$list = $xpath->query("//meta[@content]");
|
|
foreach ($list as $node) {
|
|
$attr = [];
|
|
if ($node->attributes->length) {
|
|
foreach ($node->attributes as $attribute) {
|
|
$attr[$attribute->name] = $attribute->value;
|
|
}
|
|
}
|
|
|
|
if (@$attr["http-equiv"] == 'refresh') {
|
|
$path = $attr["content"];
|
|
$pathinfo = explode(";", $path);
|
|
foreach ($pathinfo as $value) {
|
|
if (substr(strtolower($value), 0, 4) == "url=") {
|
|
return $this->finalUrl(substr($value, 4), ++$depth);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public function fetch(string $url, int $timeout = 0, string $accept_content = '', string $cookiejar = '')
|
|
{
|
|
$ret = $this->fetchFull($url, $timeout, $accept_content, $cookiejar);
|
|
|
|
return $ret->getBody();
|
|
}
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public function fetchFull(string $url, int $timeout = 0, string $accept_content = '', string $cookiejar = '')
|
|
{
|
|
return $this->get(
|
|
$url,
|
|
[
|
|
'timeout' => $timeout,
|
|
'accept_content' => $accept_content,
|
|
'cookiejar' => $cookiejar
|
|
]
|
|
);
|
|
}
|
|
}
|