Add check_blocklist to z_fetch_url and post_url
- Standard compliance
This commit is contained in:
Hypolite Petovan
parent
c7e1a8e871
commit
8d469c155a
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@ -62,23 +62,27 @@ function fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_
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* string 'header' => HTTP headers
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* string 'body' => fetched content
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*/
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function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
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function z_fetch_url($url, $binary = false, &$redirects = 0, $opts = array()) {
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$ret = array('return_code' => 0, 'success' => false, 'header' => '', 'body' => '');
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$stamp1 = microtime(true);
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$a = get_app();
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if (! check_domain_blocklist($url)) {
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logger('z_fetch_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
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return $ret;
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}
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$ch = @curl_init($url);
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if(($redirects > 8) || (! $ch)) {
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if (($redirects > 8) || (!$ch)) {
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return $ret;
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}
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@curl_setopt($ch, CURLOPT_HEADER, true);
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if(x($opts,"cookiejar")) {
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if (x($opts, "cookiejar")) {
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curl_setopt($ch, CURLOPT_COOKIEJAR, $opts["cookiejar"]);
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curl_setopt($ch, CURLOPT_COOKIEFILE, $opts["cookiejar"]);
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}
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@ -87,52 +91,61 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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// @curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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// @curl_setopt($ch, CURLOPT_MAXREDIRS, 5);
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if (x($opts,'accept_content')){
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curl_setopt($ch,CURLOPT_HTTPHEADER, array (
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"Accept: " . $opts['accept_content']
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if (x($opts, 'accept_content')) {
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curl_setopt($ch, CURLOPT_HTTPHEADER, array(
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'Accept: ' . $opts['accept_content']
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));
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}
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@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
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@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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@curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
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$range = intval(Config::get('system', 'curl_range_bytes', 0));
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if ($range > 0) {
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@curl_setopt($ch, CURLOPT_RANGE, '0-'.$range);
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@curl_setopt($ch, CURLOPT_RANGE, '0-' . $range);
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}
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if(x($opts,'headers')){
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if (x($opts, 'headers')) {
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@curl_setopt($ch, CURLOPT_HTTPHEADER, $opts['headers']);
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}
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if(x($opts,'nobody')){
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if (x($opts, 'nobody')) {
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@curl_setopt($ch, CURLOPT_NOBODY, $opts['nobody']);
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}
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if(x($opts,'timeout')){
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if (x($opts, 'timeout')) {
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@curl_setopt($ch, CURLOPT_TIMEOUT, $opts['timeout']);
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} else {
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$curl_time = intval(get_config('system','curl_timeout'));
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$curl_time = intval(get_config('system', 'curl_timeout'));
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@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
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}
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// by default we will allow self-signed certs
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// but you can override this
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$check_cert = get_config('system','verifyssl');
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$check_cert = get_config('system', 'verifyssl');
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@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
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if ($check_cert) {
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@curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
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}
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$prx = get_config('system','proxy');
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if(strlen($prx)) {
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$proxy = get_config('system', 'proxy');
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if (strlen($proxy)) {
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@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
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@curl_setopt($ch, CURLOPT_PROXY, $prx);
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$prxusr = @get_config('system','proxyuser');
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if(strlen($prxusr))
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@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
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@curl_setopt($ch, CURLOPT_PROXY, $proxy);
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$proxyuser = @get_config('system', 'proxyuser');
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if (strlen($proxyuser)) {
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@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
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}
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}
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if ($binary) {
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@curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
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}
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if($binary)
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@curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
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$a->set_curl_code(0);
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@ -140,8 +153,9 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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// if it throws any errors.
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$s = @curl_exec($ch);
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if (curl_errno($ch) !== CURLE_OK) {
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logger('fetch_url error fetching '.$url.': '.curl_error($ch), LOGGER_NORMAL);
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logger('fetch_url error fetching ' . $url . ': ' . curl_error($ch), LOGGER_NORMAL);
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}
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$ret['errno'] = curl_errno($ch);
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@ -150,136 +164,151 @@ function z_fetch_url($url,$binary = false, &$redirects = 0, $opts=array()) {
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$curl_info = @curl_getinfo($ch);
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$http_code = $curl_info['http_code'];
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logger('fetch_url '.$url.': '.$http_code." ".$s, LOGGER_DATA);
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logger('fetch_url ' . $url . ': ' . $http_code . " " . $s, LOGGER_DATA);
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$header = '';
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// Pull out multiple headers, e.g. proxy and continuation headers
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// allow for HTTP/2.x without fixing code
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while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
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$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
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while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
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$chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
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$header .= $chunk;
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$base = substr($base,strlen($chunk));
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$base = substr($base, strlen($chunk));
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}
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$a->set_curl_code($http_code);
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$a->set_curl_content_type($curl_info['content_type']);
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$a->set_curl_headers($header);
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if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
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$new_location_info = @parse_url($curl_info["redirect_url"]);
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$old_location_info = @parse_url($curl_info["url"]);
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if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
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$new_location_info = @parse_url($curl_info['redirect_url']);
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$old_location_info = @parse_url($curl_info['url']);
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$newurl = $curl_info["redirect_url"];
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$newurl = $curl_info['redirect_url'];
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if (($new_location_info["path"] == "") AND ($new_location_info["host"] != ""))
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$newurl = $new_location_info["scheme"]."://".$new_location_info["host"].$old_location_info["path"];
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if (($new_location_info['path'] == '') AND ( $new_location_info['host'] != '')) {
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$newurl = $new_location_info['scheme'] . '://' . $new_location_info['host'] . $old_location_info['path'];
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}
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$matches = array();
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if (preg_match('/(Location:|URI:)(.*?)\n/i', $header, $matches)) {
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$newurl = trim(array_pop($matches));
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}
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if(strpos($newurl,'/') === 0)
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$newurl = $old_location_info["scheme"]."://".$old_location_info["host"].$newurl;
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if (strpos($newurl, '/') === 0) {
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$newurl = $old_location_info['scheme'] . '://' . $old_location_info['host'] . $newurl;
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}
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if (filter_var($newurl, FILTER_VALIDATE_URL)) {
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$redirects++;
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@curl_close($ch);
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return z_fetch_url($newurl,$binary, $redirects, $opts);
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return z_fetch_url($newurl, $binary, $redirects, $opts);
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}
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}
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$a->set_curl_code($http_code);
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$a->set_curl_content_type($curl_info['content_type']);
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$body = substr($s,strlen($header));
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$body = substr($s, strlen($header));
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$rc = intval($http_code);
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$ret['return_code'] = $rc;
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$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
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$ret['redirect_url'] = $url;
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if(! $ret['success']) {
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if (!$ret['success']) {
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$ret['error'] = curl_error($ch);
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$ret['debug'] = $curl_info;
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logger('z_fetch_url: error: ' . $url . ': ' . $ret['error'], LOGGER_DEBUG);
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logger('z_fetch_url: debug: ' . print_r($curl_info,true), LOGGER_DATA);
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logger('z_fetch_url: debug: ' . print_r($curl_info, true), LOGGER_DATA);
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}
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$ret['body'] = substr($s,strlen($header));
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$ret['body'] = substr($s, strlen($header));
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$ret['header'] = $header;
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if(x($opts,'debug')) {
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if (x($opts, 'debug')) {
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$ret['debug'] = $curl_info;
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}
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@curl_close($ch);
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$a->save_timestamp($stamp1, "network");
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$a->save_timestamp($stamp1, 'network');
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return($ret);
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}
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// post request to $url. $params is an array of post variables.
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/**
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* @brief Post request to $url
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* @brief Send POST request to $url
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*
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* @param string $url URL to post
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* @param mixed $params
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* @param mixed $params array of POST variables
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* @param string $headers HTTP headers
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* @param integer $redirects Recursion counter for internal use - default = 0
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* @param integer $timeout The timeout in seconds, default system config value or 60 seconds
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*
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* @return string The content
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*/
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function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0) {
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function post_url($url, $params, $headers = null, &$redirects = 0, $timeout = 0) {
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$stamp1 = microtime(true);
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if (!check_domain_blocklist($url)) {
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logger('post_url: domain of ' . $url . ' is blocked', LOGGER_DATA);
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return false;
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}
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$a = get_app();
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$ch = curl_init($url);
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if(($redirects > 8) || (! $ch))
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return false;
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logger("post_url: start ".$url, LOGGER_DATA);
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if (($redirects > 8) || (!$ch)) {
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return false;
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}
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logger('post_url: start ' . $url, LOGGER_DATA);
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curl_setopt($ch, CURLOPT_HEADER, true);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
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curl_setopt($ch, CURLOPT_POST,1);
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curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
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curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
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if(intval($timeout)) {
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if (intval($timeout)) {
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curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
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}
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else {
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$curl_time = intval(get_config('system','curl_timeout'));
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} else {
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$curl_time = intval(get_config('system', 'curl_timeout'));
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curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
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}
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if(defined('LIGHTTPD')) {
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if(!is_array($headers)) {
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if (defined('LIGHTTPD')) {
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if (!is_array($headers)) {
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$headers = array('Expect:');
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} else {
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if(!in_array('Expect:', $headers)) {
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if (!in_array('Expect:', $headers)) {
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array_push($headers, 'Expect:');
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}
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}
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}
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if($headers)
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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$check_cert = get_config('system','verifyssl');
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if ($headers) {
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curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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}
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$check_cert = get_config('system', 'verifyssl');
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
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if ($check_cert) {
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@curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
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}
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$prx = get_config('system','proxy');
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if(strlen($prx)) {
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$proxy = get_config('system', 'proxy');
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if (strlen($proxy)) {
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curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
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curl_setopt($ch, CURLOPT_PROXY, $prx);
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$prxusr = get_config('system','proxyuser');
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if(strlen($prxusr))
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curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
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curl_setopt($ch, CURLOPT_PROXY, $proxy);
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$proxyuser = get_config('system', 'proxyuser');
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if (strlen($proxyuser)) {
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curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxyuser);
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}
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}
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$a->set_curl_code(0);
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@ -293,44 +322,48 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
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$curl_info = curl_getinfo($ch);
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$http_code = $curl_info['http_code'];
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logger("post_url: result ".$http_code." - ".$url, LOGGER_DATA);
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logger('post_url: result ' . $http_code . ' - ' . $url, LOGGER_DATA);
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$header = '';
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// Pull out multiple headers, e.g. proxy and continuation headers
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// allow for HTTP/2.x without fixing code
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while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
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$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
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while (preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/', $base)) {
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$chunk = substr($base, 0, strpos($base, "\r\n\r\n") + 4);
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$header .= $chunk;
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$base = substr($base,strlen($chunk));
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$base = substr($base, strlen($chunk));
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}
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if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
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if ($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
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$matches = array();
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preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
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$newurl = trim(array_pop($matches));
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if(strpos($newurl,'/') === 0)
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$newurl = $old_location_info["scheme"] . "://" . $old_location_info["host"] . $newurl;
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if (strpos($newurl, '/') === 0) {
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$newurl = $old_location_info['scheme'] . '://' . $old_location_info['host'] . $newurl;
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}
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if (filter_var($newurl, FILTER_VALIDATE_URL)) {
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$redirects++;
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logger("post_url: redirect ".$url." to ".$newurl);
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return post_url($newurl,$params, $headers, $redirects, $timeout);
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//return fetch_url($newurl,false,$redirects,$timeout);
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logger('post_url: redirect ' . $url . ' to ' . $newurl);
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return post_url($newurl, $params, $headers, $redirects, $timeout);
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}
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}
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$a->set_curl_code($http_code);
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$body = substr($s,strlen($header));
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$body = substr($s, strlen($header));
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$a->set_curl_headers($header);
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curl_close($ch);
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$a->save_timestamp($stamp1, "network");
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$a->save_timestamp($stamp1, 'network');
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logger("post_url: end ".$url, LOGGER_DATA);
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logger('post_url: end ' . $url, LOGGER_DATA);
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return($body);
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return $body;
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}
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// Generic XML return
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