7a9456d5ac
Fixed some stuff: - converted some files from DOS to Uni* (CRLF -> LF) - removed trailing white-spaces Signed-off-by: Roland Häder <roland@mxchange.org>
976 lines
26 KiB
PHP
976 lines
26 KiB
PHP
<?php
|
|
|
|
/**
|
|
* @file include/network.php
|
|
*/
|
|
|
|
use Friendica\App;
|
|
use Friendica\Core\Config;
|
|
use Friendica\Network\Probe;
|
|
|
|
require_once("include/xml.php");
|
|
|
|
/**
|
|
* @brief 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.
|
|
*
|
|
* @param string $url URL to fetch
|
|
* @param boolean $binary default false
|
|
* TRUE if asked to return binary results (file download)
|
|
* @param integer $redirects The recursion counter for internal use - default 0
|
|
* @param integer $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 $cookiejar Path to cookie jar file
|
|
*
|
|
* @return string The fetched content
|
|
*/
|
|
function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null, $cookiejar = 0) {
|
|
|
|
$ret = z_fetch_url(
|
|
$url,
|
|
$binary,
|
|
$redirects,
|
|
array('timeout'=>$timeout,
|
|
'accept_content'=>$accept_content,
|
|
'cookiejar'=>$cookiejar
|
|
));
|
|
|
|
return($ret['body']);
|
|
}
|
|
|
|
/**
|
|
* @brief fetches an URL.
|
|
*
|
|
* @param string $url URL to fetch
|
|
* @param boolean $binary default false
|
|
* TRUE if asked to return binary results (file download)
|
|
* @param int $redirects The recursion counter for internal use - default 0
|
|
* @param array $opts (optional parameters) assoziative array with:
|
|
* 'accept_content' => supply Accept: header with 'accept_content' as the value
|
|
* 'timeout' => int Timeout in seconds, default system config value or 60 seconds
|
|
* 'http_auth' => username:password
|
|
* 'novalidate' => do not validate SSL certs, default is to validate using our CA list
|
|
* 'nobody' => only return the header
|
|
* 'cookiejar' => path to cookie jar file
|
|
*
|
|
* @return array an assoziative array with:
|
|
* int 'return_code' => HTTP return code or 0 if timeout or failure
|
|
* boolean 'success' => boolean true (if HTTP 2xx result) or false
|
|
* string 'redirect_url' => in case of redirect, content was finally retrieved from this URL
|
|
* string 'header' => HTTP headers
|
|
* string 'body' => fetched content
|
|
*/
|
|
function z_fetch_url($url, $binary = false, &$redirects = 0, $opts = array()) {
|
|
$ret = array('return_code' => 0, 'success' => false, 'header' => '', 'body' => '');
|
|
|
|
$stamp1 = microtime(true);
|
|
|
|
$a = get_app();
|
|
|
|
if (blocked_url($url)) {
|
|
logger('z_fetch_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
|
|
return $ret;
|
|
}
|
|
|
|
$ch = @curl_init($url);
|
|
|
|
if (($redirects > 8) || (!$ch)) {
|
|
return $ret;
|
|
}
|
|
|
|
@curl_setopt($ch, CURLOPT_HEADER, true);
|
|
|
|
if (x($opts, "cookiejar")) {
|
|
curl_setopt($ch, CURLOPT_COOKIEJAR, $opts["cookiejar"]);
|
|
curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
|
|
}
|
|
|
|
// These settings aren't needed. We're following the location already.
|
|
// @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
|
|
// @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
|
|
|
|
if (x($opts, 'accept_content')) {
|
|
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
|
|
'Accept: ' . $opts['accept_content']
|
|
));
|
|
}
|
|
|
|
@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
|
@curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
|
|
|
|
$range = intval(Config::get('system', 'curl_range_bytes', 0));
|
|
|
|
if ($range > 0) {
|
|
@curl_setopt($ch, CURLOPT_RANGE, '0-' . $range);
|
|
}
|
|
|
|
if (x($opts, 'headers')) {
|
|
@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
|
|
}
|
|
|
|
if (x($opts, 'nobody')) {
|
|
@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
|
|
}
|
|
|
|
if (x($opts, 'timeout')) {
|
|
@curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
|
|
} else {
|
|
$curl_time = intval(get_config('system', 'curl_timeout'));
|
|
@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
|
|
}
|
|
|
|
// by default we will allow self-signed certs
|
|
// but you can override this
|
|
|
|
$check_cert = get_config('system', 'verifyssl');
|
|
@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
|
|
|
|
if ($check_cert) {
|
|
@curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
|
|
}
|
|
|
|
$proxy = get_config('system', 'proxy');
|
|
|
|
if (strlen($proxy)) {
|
|
@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
|
|
@curl_setopt($ch, CURLOPT_PROXY, $proxy);
|
|
$proxyuser = @get_config('system', 'proxyuser');
|
|
|
|
if (strlen($proxyuser)) {
|
|
@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
|
|
}
|
|
}
|
|
|
|
if ($binary) {
|
|
@curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
|
|
}
|
|
|
|
$a->set_curl_code(0);
|
|
|
|
// don't let curl abort the entire application
|
|
// if it throws any errors.
|
|
|
|
$s = @curl_exec($ch);
|
|
|
|
if (curl_errno($ch) !== CURLE_OK) {
|
|
logger('fetch_url error fetching ' . $url . ': ' . curl_error($ch), LOGGER_NORMAL);
|
|
}
|
|
|
|
$ret['errno'] = curl_errno($ch);
|
|
|
|
$base = $s;
|
|
$curl_info = @curl_getinfo($ch);
|
|
|
|
$http_code = $curl_info['http_code'];
|
|
logger('fetch_url ' . $url . ': ' . $http_code . " " . $s, LOGGER_DATA);
|
|
$header = '';
|
|
|
|
// Pull out multiple headers, e.g. proxy and continuation headers
|
|
// allow for HTTP/2.x without fixing code
|
|
|
|
while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
|
|
$chunk = substr($base, 0, strpos($base,"\r\n\r\n") + 4);
|
|
$header .= $chunk;
|
|
$base = substr($base, strlen($chunk));
|
|
}
|
|
|
|
$a->set_curl_code($http_code);
|
|
$a->set_curl_content_type($curl_info['content_type']);
|
|
$a->set_curl_headers($header);
|
|
|
|
if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
|
|
$new_location_info = @parse_url($curl_info['redirect_url']);
|
|
$old_location_info = @parse_url($curl_info['url']);
|
|
|
|
$newurl = $curl_info['redirect_url'];
|
|
|
|
if (($new_location_info['path'] == '') AND ( $new_location_info['host'] != '')) {
|
|
$newurl = $new_location_info['scheme'] . '://' . $new_location_info['host'] . $old_location_info['path'];
|
|
}
|
|
|
|
$matches = array();
|
|
|
|
if (preg_match('/(Location:|URI:)(.*?)\n/i', $header, $matches)) {
|
|
$newurl = trim(array_pop($matches));
|
|
}
|
|
if (strpos($newurl,'/') === 0) {
|
|
$newurl = $old_location_info["scheme"]."://".$old_location_info["host"].$newurl;
|
|
}
|
|
|
|
if (filter_var($newurl, FILTER_VALIDATE_URL)) {
|
|
$redirects++;
|
|
@curl_close($ch);
|
|
return z_fetch_url($newurl, $binary, $redirects, $opts);
|
|
}
|
|
}
|
|
|
|
$a->set_curl_code($http_code);
|
|
$a->set_curl_content_type($curl_info['content_type']);
|
|
|
|
$body = substr($s, strlen($header));
|
|
|
|
$rc = intval($http_code);
|
|
$ret['return_code'] = $rc;
|
|
$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
|
|
$ret['redirect_url'] = $url;
|
|
|
|
if (!$ret['success']) {
|
|
$ret['error'] = curl_error($ch);
|
|
$ret['debug'] = $curl_info;
|
|
logger('z_fetch_url: error: ' . $url . ': ' . $ret['error'], LOGGER_DEBUG);
|
|
logger('z_fetch_url: debug: ' . print_r($curl_info, true), LOGGER_DATA);
|
|
}
|
|
|
|
$ret['body'] = substr($s, strlen($header));
|
|
$ret['header'] = $header;
|
|
|
|
if (x($opts, 'debug')) {
|
|
$ret['debug'] = $curl_info;
|
|
}
|
|
|
|
@curl_close($ch);
|
|
|
|
$a->save_timestamp($stamp1, 'network');
|
|
|
|
return($ret);
|
|
}
|
|
|
|
/**
|
|
* @brief Send POST request to $url
|
|
*
|
|
* @param string $url URL to post
|
|
* @param mixed $params array of POST variables
|
|
* @param string $headers HTTP headers
|
|
* @param integer $redirects Recursion counter for internal use - default = 0
|
|
* @param integer $timeout The timeout in seconds, default system config value or 60 seconds
|
|
*
|
|
* @return string The content
|
|
*/
|
|
function post_url($url, $params, $headers = null, &$redirects = 0, $timeout = 0) {
|
|
$stamp1 = microtime(true);
|
|
|
|
if (blocked_url($url)) {
|
|
logger('post_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
|
|
return false;
|
|
}
|
|
|
|
$a = get_app();
|
|
$ch = curl_init($url);
|
|
|
|
if (($redirects > 8) || (!$ch)) {
|
|
return false;
|
|
}
|
|
|
|
logger('post_url: start ' . $url, LOGGER_DATA);
|
|
|
|
curl_setopt($ch, CURLOPT_HEADER, true);
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
|
curl_setopt($ch, CURLOPT_POST, 1);
|
|
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
|
|
curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
|
|
|
|
if (intval($timeout)) {
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
|
|
} else {
|
|
$curl_time = intval(get_config('system', 'curl_timeout'));
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
|
|
}
|
|
|
|
if (defined('LIGHTTPD')) {
|
|
if (!is_array($headers)) {
|
|
$headers = array('Expect:');
|
|
} else {
|
|
if (!in_array('Expect:', $headers)) {
|
|
array_push($headers, 'Expect:');
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($headers) {
|
|
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
|
|
}
|
|
|
|
$check_cert = get_config('system', 'verifyssl');
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
|
|
|
|
if ($check_cert) {
|
|
@curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
|
|
}
|
|
|
|
$proxy = get_config('system', 'proxy');
|
|
|
|
if (strlen($proxy)) {
|
|
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
|
|
curl_setopt($ch, CURLOPT_PROXY, $proxy);
|
|
$proxyuser = get_config('system', 'proxyuser');
|
|
if (strlen($proxyuser)) {
|
|
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
|
|
}
|
|
}
|
|
|
|
$a->set_curl_code(0);
|
|
|
|
// don't let curl abort the entire application
|
|
// if it throws any errors.
|
|
|
|
$s = @curl_exec($ch);
|
|
|
|
$base = $s;
|
|
$curl_info = curl_getinfo($ch);
|
|
$http_code = $curl_info['http_code'];
|
|
|
|
logger('post_url: result ' . $http_code . ' - ' . $url, LOGGER_DATA);
|
|
|
|
$header = '';
|
|
|
|
// Pull out multiple headers, e.g. proxy and continuation headers
|
|
// allow for HTTP/2.x without fixing code
|
|
|
|
while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
|
|
$chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
|
|
$header .= $chunk;
|
|
$base = substr($base, strlen($chunk));
|
|
}
|
|
|
|
if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
|
|
$matches = array();
|
|
preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
|
|
$newurl = trim(array_pop($matches));
|
|
|
|
if (strpos($newurl, '/') === 0) {
|
|
$newurl = $old_location_info["scheme"] . "://" . $old_location_info["host"] . $newurl;
|
|
}
|
|
|
|
if (filter_var($newurl, FILTER_VALIDATE_URL)) {
|
|
$redirects++;
|
|
logger('post_url: redirect ' . $url . ' to ' . $newurl);
|
|
return post_url($newurl, $params, $headers, $redirects, $timeout);
|
|
}
|
|
}
|
|
|
|
$a->set_curl_code($http_code);
|
|
|
|
$body = substr($s, strlen($header));
|
|
|
|
$a->set_curl_headers($header);
|
|
|
|
curl_close($ch);
|
|
|
|
$a->save_timestamp($stamp1, 'network');
|
|
|
|
logger('post_url: end ' . $url, LOGGER_DATA);
|
|
|
|
return $body;
|
|
}
|
|
|
|
// Generic XML return
|
|
// Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
|
|
// of $st and an optional text <message> of $message and terminates the current process.
|
|
|
|
function xml_status($st, $message = '') {
|
|
|
|
$xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
|
|
|
|
if ($st)
|
|
logger('xml_status returning non_zero: ' . $st . " message=" . $message);
|
|
|
|
header( "Content-type: text/xml" );
|
|
echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
|
|
echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
|
|
killme();
|
|
}
|
|
|
|
/**
|
|
* @brief Send HTTP status header and exit.
|
|
*
|
|
* @param integer $val HTTP status result value
|
|
* @param array $description optional message
|
|
* 'title' => header title
|
|
* 'description' => optional message
|
|
*/
|
|
|
|
/**
|
|
* @brief Send HTTP status header and exit.
|
|
*
|
|
* @param integer $val HTTP status result value
|
|
* @param array $description optional message
|
|
* 'title' => header title
|
|
* 'description' => optional message
|
|
*/
|
|
function http_status_exit($val, $description = array()) {
|
|
$err = '';
|
|
if ($val >= 400) {
|
|
$err = 'Error';
|