<?php
/**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU APGL version 3 or any later version
*
namespace Friendica\Network;
+use DOMDocument;
+use DomXPath;
use Friendica\App;
use Friendica\Core\Config\IConfig;
-use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\Util\Network;
use Friendica\Util\Profiler;
/**
* Performs HTTP requests to a given URL
*/
-class HTTPRequest
+class HTTPRequest implements IHTTPRequest
{
/** @var LoggerInterface */
private $logger;
/** @var IConfig */
private $config;
/** @var string */
- private $userAgent;
+ private $baseUrl;
- public function __construct(LoggerInterface $logger, Profiler $profiler, IConfig $config, App $a)
+ public function __construct(LoggerInterface $logger, Profiler $profiler, IConfig $config, App\BaseURL $baseUrl)
{
- $this->logger = $logger;
- $this->profiler = $profiler;
- $this->config = $config;
- $this->userAgent = $a->getUserAgent();
+ $this->logger = $logger;
+ $this->profiler = $profiler;
+ $this->config = $config;
+ $this->baseUrl = $baseUrl->get();
+ }
+
+ /** {@inheritDoc}
+ *
+ * @throws HTTPException\InternalServerErrorException
+ */
+ public function head(string $url, array $opts = [])
+ {
+ $opts['nobody'] = true;
+
+ return $this->get($url, $opts);
}
/**
- * fetches an URL.
+ * {@inheritDoc}
*
- * @param string $url URL to fetch
- * @param bool $binary default false
- * TRUE if asked to return binary results (file download)
- * @param array $opts (optional parameters) assoziative array with:
- * 'accept_content' => supply Accept: header with 'accept_content' as the value
- * 'timeout' => int Timeout in seconds, default system config value or 60 seconds
- * 'http_auth' => username:password
- * 'novalidate' => do not validate SSL certs, default is to validate using our CA list
- * 'nobody' => only return the header
- * 'cookiejar' => path to cookie jar file
- * 'header' => header array
- * @param int $redirects The recursion counter for internal use - default 0
+ * @param int $redirects The recursion counter for internal use - default 0
*
- * @return CurlResult
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public function curl(string $url, bool $binary = false, array $opts = [], int &$redirects = 0)
+ public function get(string $url, array $opts = [], int &$redirects = 0)
{
$stamp1 = microtime(true);
if (strlen($url) > 1000) {
$this->logger->debug('URL is longer than 1000 characters.', ['url' => $url, 'callstack' => System::callstack(20)]);
+ $this->profiler->saveTimestamp($stamp1, 'network');
return CurlResult::createErrorCurl(substr($url, 0, 200));
}
if (Network::isUrlBlocked($url)) {
$this->logger->info('Domain is blocked.', ['url' => $url]);
+ $this->profiler->saveTimestamp($stamp1, 'network');
return CurlResult::createErrorCurl($url);
}
$ch = @curl_init($url);
if (($redirects > 8) || (!$ch)) {
+ $this->profiler->saveTimestamp($stamp1, 'network');
return CurlResult::createErrorCurl($url);
}
}
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- @curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
+ @curl_setopt($ch, CURLOPT_USERAGENT, $this->getUserAgent());
$range = intval($this->config->get('system', 'curl_range_bytes', 0));
curl_setopt($ch, CURLOPT_ENCODING, '');
if (!empty($opts['headers'])) {
+ $this->logger->notice('Wrong option \'headers\' used.');
@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
}
@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
}
+ @curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
+
if (!empty($opts['timeout'])) {
@curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
} else {
curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
}
- if ($binary) {
- @curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
- }
-
- // don't let curl abort the entire application
- // if it throws any errors.
-
$s = @curl_exec($ch);
$curl_info = @curl_getinfo($ch);
$curlResponse = new CurlResult($url, $s, $curl_info, curl_errno($ch), curl_error($ch));
- if ($curlResponse->isRedirectUrl()) {
+ if (!Network::isRedirectBlocked($url) && $curlResponse->isRedirectUrl()) {
$redirects++;
$this->logger->notice('Curl redirect.', ['url' => $url, 'to' => $curlResponse->getRedirectUrl()]);
@curl_close($ch);
- return self::curl($curlResponse->getRedirectUrl(), $binary, $opts, $redirects);
+ $this->profiler->saveTimestamp($stamp1, 'network');
+ return $this->get($curlResponse->getRedirectUrl(), $opts, $redirects);
}
@curl_close($ch);
- $this->profiler->saveTimestamp($stamp1, 'network', System::callstack());
+ $this->profiler->saveTimestamp($stamp1, 'network');
return $curlResponse;
}
/**
- * Send POST request to $url
+ * {@inheritDoc}
*
- * @param string $url URL to post
- * @param mixed $params array of POST variables
- * @param array $headers HTTP headers
- * @param int $redirects Recursion counter for internal use - default = 0
- * @param int $timeout The timeout in seconds, default system config value or 60 seconds
+ * @param int $redirects The recursion counter for internal use - default 0
*
- * @return CurlResult The content
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public function post(string $url, $params, array $headers = [], int $timeout = 0, int &$redirects = 0)
$stamp1 = microtime(true);
if (Network::isUrlBlocked($url)) {
- $this->logger->info('Domain is blocked.'. ['url' => $url]);
+ $this->logger->info('Domain is blocked.' . ['url' => $url]);
+ $this->profiler->saveTimestamp($stamp1, 'network');
return CurlResult::createErrorCurl($url);
}
$ch = curl_init($url);
if (($redirects > 8) || (!$ch)) {
+ $this->profiler->saveTimestamp($stamp1, 'network');
return CurlResult::createErrorCurl($url);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
- curl_setopt($ch, CURLOPT_USERAGENT, $a->getUserAgent());
+ curl_setopt($ch, CURLOPT_USERAGENT, $this->getUserAgent());
if ($this->config->get('system', 'ipv4_resolve', false)) {
curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
}
+ @curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
+
if (intval($timeout)) {
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
} else {
$curlResponse = new CurlResult($url, $s, $curl_info, curl_errno($ch), curl_error($ch));
- if ($curlResponse->isRedirectUrl()) {
+ if (!Network::isRedirectBlocked($url) && $curlResponse->isRedirectUrl()) {
$redirects++;
$this->logger->info('Post redirect.', ['url' => $url, 'to' => $curlResponse->getRedirectUrl()]);
curl_close($ch);
- return self::post($curlResponse->getRedirectUrl(), $params, $headers, $redirects, $timeout);
+ $this->profiler->saveTimestamp($stamp1, 'network');
+ return $this->post($curlResponse->getRedirectUrl(), $params, $headers, $redirects, $timeout);
}
curl_close($ch);
- $this->profiler->saveTimestamp($stamp1, 'network', System::callstack());
+ $this->profiler->saveTimestamp($stamp1, 'network');
// Very old versions of Lighttpd don't like the "Expect" header, so we remove it when needed
if ($curlResponse->getReturnCode() == 417) {
array_push($headers, 'Expect:');
}
}
- Logger::info('Server responds with 417, applying workaround', ['url' => $url]);
- return self::post($url, $params, $headers, $redirects, $timeout);
+ $this->logger->info('Server responds with 417, applying workaround', ['url' => $url]);
+ return $this->post($url, $params, $headers, $redirects, $timeout);
}
- Logger::log('post_url: end ' . $url, Logger::DATA);
+ $this->logger->debug('Post_url: End.', ['url' => $url]);
return $curlResponse;
}
/**
- * Curl wrapper
- *
- * If binary flag is true, return binary results.
- * Set the cookiejar argument to a string (e.g. "/tmp/friendica-cookies.txt")
- * to preserve cookies from one request to the next.
+ * {@inheritDoc}
+ */
+ public function finalUrl(string $url, int $depth = 1, bool $fetchbody = false)
+ {
+ if (Network::isUrlBlocked($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, "'");
+
+ $stamp1 = microtime(true);
+
+ $ch = curl_init();
+ curl_setopt($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, $this->getUserAgent());
+
+ curl_exec($ch);
+ $curl_info = @curl_getinfo($ch);
+ $http_code = $curl_info['http_code'];
+ curl_close($ch);
+
+ $this->profiler->saveTimestamp($stamp1, "network");
+
+ 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;
+ }
+
+ $stamp1 = microtime(true);
+
+ $ch = curl_init();
+ curl_setopt($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->getUserAgent());
+
+ $body = curl_exec($ch);
+ curl_close($ch);
+
+ $this->profiler->saveTimestamp($stamp1, "network");
+
+ 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}
*
- * @param string $url URL to fetch
- * @param bool $binary default false
- * TRUE if asked to return binary results (file download)
- * @param int $timeout Timeout in seconds, default system config value or 60 seconds
- * @param string $accept_content supply Accept: header with 'accept_content' as the value
- * @param string $cookiejar Path to cookie jar file
- * @param int $redirects The recursion counter for internal use - default 0
+ * @param int $redirects The recursion counter for internal use - default 0
*
- * @return string The fetched content
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public function fetchUrl(string $url, bool $binary = false, int $timeout = 0, string $accept_content = '', string $cookiejar = '', int &$redirects = 0)
+ public function fetch(string $url, int $timeout = 0, string $accept_content = '', string $cookiejar = '', int &$redirects = 0)
{
- $ret = $this->fetchUrlFull($url, $binary, $timeout, $accept_content, $cookiejar, $redirects);
+ $ret = $this->fetchFull($url, $timeout, $accept_content, $cookiejar, $redirects);
return $ret->getBody();
}
/**
- * Curl wrapper with array of return values.
+ * {@inheritDoc}
*
- * Inner workings and parameters are the same as @ref fetchUrl but returns an array with
- * all the information collected during the fetch.
+ * @param int $redirects The recursion counter for internal use - default 0
*
- * @param string $url URL to fetch
- * @param bool $binary default false
- * TRUE if asked to return binary results (file download)
- * @param int $timeout Timeout in seconds, default system config value or 60 seconds
- * @param string $accept_content supply Accept: header with 'accept_content' as the value
- * @param string $cookiejar Path to cookie jar file
- * @param int $redirects The recursion counter for internal use - default 0
- *
- * @return CurlResult With all relevant information, 'body' contains the actual fetched content.
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public function fetchUrlFull(string $url, bool $binary = false, int $timeout = 0, string $accept_content = '', string $cookiejar = '', int &$redirects = 0)
+ public function fetchFull(string $url, int $timeout = 0, string $accept_content = '', string $cookiejar = '', int &$redirects = 0)
{
- return $this->curl(
+ return $this->get(
$url,
- $binary,
[
'timeout' => $timeout,
'accept_content' => $accept_content,
$redirects
);
}
+
+ /**
+ * {@inheritDoc}
+ */
+ public function getUserAgent()
+ {
+ return
+ FRIENDICA_PLATFORM . " '" .
+ FRIENDICA_CODENAME . "' " .
+ FRIENDICA_VERSION . '-' .
+ DB_UPDATE_VERSION . '; ' .
+ $this->baseUrl;
+ }
}
projects / friendica.git / blobdiff