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;
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\RequestException;
+use GuzzleHttp\Exception\TransferException;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\UriInterface;
use Psr\Log\LoggerInterface;
/**
* 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();
}
/**
- * fetches an URL.
- *
- * @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
- *
- * @return CurlResult
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * {@inheritDoc}
*/
- public function curl(string $url, bool $binary = false, array $opts = [], int &$redirects = 0)
+ public function get(string $url, bool $binary = false, array $opts = [])
{
$stamp1 = microtime(true);
return CurlResult::createErrorCurl($url);
}
- $ch = @curl_init($url);
-
- if (($redirects > 8) || (!$ch)) {
- return CurlResult::createErrorCurl($url);
- }
+ $curlOptions = [];
- @curl_setopt($ch, CURLOPT_HEADER, true);
+ $curlOptions[CURLOPT_HEADER] = true;
if (!empty($opts['cookiejar'])) {
- curl_setopt($ch, CURLOPT_COOKIEJAR, $opts["cookiejar"]);
- curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
+ $curlOptions[CURLOPT_COOKIEJAR] = $opts["cookiejar"];
+ $curlOptions[CURLOPT_COOKIEFILE] = $opts["cookiejar"];
}
// These settings aren't needed. We're following the location already.
- // @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
- // @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
+ // $curlOptions[CURLOPT_FOLLOWLOCATION] =true;
+ // $curlOptions[CURLOPT_MAXREDIRS] = 5;
if (!empty($opts['accept_content'])) {
- curl_setopt(
- $ch,
- CURLOPT_HTTPHEADER,
- ['Accept: ' . $opts['accept_content']]
- );
+ if (empty($curlOptions[CURLOPT_HTTPHEADER])) {
+ $curlOptions[CURLOPT_HTTPHEADER] = [];
+ }
+ array_push($curlOptions[CURLOPT_HTTPHEADER], 'Accept: ' . $opts['accept_content']);
}
if (!empty($opts['header'])) {
- curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['header']);
+ if (empty($curlOptions[CURLOPT_HTTPHEADER])) {
+ $curlOptions[CURLOPT_HTTPHEADER] = [];
+ }
+ $curlOptions[CURLOPT_HTTPHEADER] = array_merge($opts['header'], $curlOptions[CURLOPT_HTTPHEADER]);
}
- @curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- @curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
+ $curlOptions[CURLOPT_RETURNTRANSFER] = true;
+ $curlOptions[CURLOPT_USERAGENT] = $this->getUserAgent();
$range = intval($this->config->get('system', 'curl_range_bytes', 0));
if ($range > 0) {
- @curl_setopt($ch, CURLOPT_RANGE, '0-' . $range);
+ $curlOptions[CURLOPT_RANGE] = '0-' . $range;
}
// Without this setting it seems as if some webservers send compressed content
// This seems to confuse curl so that it shows this uncompressed.
/// @todo We could possibly set this value to "gzip" or something similar
- curl_setopt($ch, CURLOPT_ENCODING, '');
+ $curlOptions[CURLOPT_ENCODING] = '';
if (!empty($opts['headers'])) {
- @curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
+ if (empty($curlOptions[CURLOPT_HTTPHEADER])) {
+ $curlOptions[CURLOPT_HTTPHEADER] = [];
+ }
+ $curlOptions[CURLOPT_HTTPHEADER] = array_merge($opts['headers'], $curlOptions[CURLOPT_HTTPHEADER]);
}
if (!empty($opts['nobody'])) {
- @curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
+ $curlOptions[CURLOPT_NOBODY] = $opts['nobody'];
}
+ $curlOptions[CURLOPT_CONNECTTIMEOUT] = 10;
+
if (!empty($opts['timeout'])) {
- @curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
+ $curlOptions[CURLOPT_TIMEOUT] = $opts['timeout'];
} else {
$curl_time = $this->config->get('system', 'curl_timeout', 60);
- @curl_setopt($ch, CURLOPT_TIMEOUT, intval($curl_time));
+ $curlOptions[CURLOPT_TIMEOUT] = intval($curl_time);
}
// by default we will allow self-signed certs
// but you can override this
$check_cert = $this->config->get('system', 'verifyssl');
- @curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+ $curlOptions[CURLOPT_SSL_VERIFYPEER] = ($check_cert) ? true : false;
if ($check_cert) {
- @curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
+ $curlOptions[CURLOPT_SSL_VERIFYHOST] = 2;
}
$proxy = $this->config->get('system', 'proxy');
if (!empty($proxy)) {
- @curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
- @curl_setopt($ch, CURLOPT_PROXY, $proxy);
+ $curlOptions[CURLOPT_HTTPPROXYTUNNEL] = 1;
+ $curlOptions[CURLOPT_PROXY] = $proxy;
$proxyuser = $this->config->get('system', 'proxyuser');
if (!empty($proxyuser)) {
- @curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
+ $curlOptions[CURLOPT_PROXYUSERPWD] = $proxyuser;
}
}
if ($this->config->get('system', 'ipv4_resolve', false)) {
- curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
+ $curlOptions[CURLOPT_IPRESOLVE] = CURL_IPRESOLVE_V4;
}
if ($binary) {
- @curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
+ $curlOptions[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);
+ $logger = $this->logger;
- // Special treatment for HTTP Code 416
- // See https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/416
- if (($curl_info['http_code'] == 416) && ($range > 0)) {
- @curl_setopt($ch, CURLOPT_RANGE, '');
- $s = @curl_exec($ch);
- $curl_info = @curl_getinfo($ch);
- }
+ $onRedirect = function(
+ RequestInterface $request,
+ ResponseInterface $response,
+ UriInterface $uri
+ ) use ($logger) {
+ $logger->notice('Curl redirect.', ['url' => $request->getUri(), 'to' => $uri]);
+ };
- $curlResponse = new CurlResult($url, $s, $curl_info, curl_errno($ch), curl_error($ch));
-
- if ($curlResponse->isRedirectUrl()) {
- $redirects++;
- $this->logger->notice('Curl redirect.', ['url' => $url, 'to' => $curlResponse->getRedirectUrl()]);
- @curl_close($ch);
- return self::curl($curlResponse->getRedirectUrl(), $binary, $opts, $redirects);
+ $onHeaders = 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!');
+ }
+ };
+
+ $client = new Client([
+ 'allow_redirect' => [
+ 'max' => 8,
+ 'on_redirect' => $onRedirect,
+ 'track_redirect' => true,
+ 'strict' => true,
+ 'referer' => true,
+ ],
+ 'on_headers' => $onHeaders,
+ 'sink' => tempnam(get_temppath(), 'guzzle'),
+ 'curl' => $curlOptions
+ ]);
+
+ try {
+ $response = $client->get($url);
+ 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 {
+ $this->profiler->saveTimestamp($stamp1, 'network');
}
-
- @curl_close($ch);
-
- $this->profiler->saveTimestamp($stamp1, 'network', System::callstack());
-
- 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' => $url]);
return CurlResult::createErrorCurl($url);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
- curl_setopt($ch, CURLOPT_USERAGENT, $this->userAgent);
+ curl_setopt($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);
+ 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, bool $binary = false, 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, $binary, $timeout, $accept_content, $cookiejar, $redirects);
return $ret->getBody();
}
/**
- * Curl wrapper with array of return values.
- *
- * Inner workings and parameters are the same as @ref fetchUrl but returns an array with
- * all the information collected during the fetch.
+ * {@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 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, bool $binary = false, 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,
'cookiejar' => $cookiejar
- ],
- $redirects
+ ]
);
}
+
+ /**
+ * {@inheritDoc}
+ */
+ public function getUserAgent()
+ {
+ return
+ FRIENDICA_PLATFORM . " '" .
+ FRIENDICA_CODENAME . "' " .
+ FRIENDICA_VERSION . '-' .
+ DB_UPDATE_VERSION . '; ' .
+ $this->baseUrl;
+ }
}
projects / friendica.git / blobdiff