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Code Issues Releases Wiki Activity

Custom followolcation functionality

pull/342/head
Piotr 2016-08-26 09:33:02 +02:00 committed by GitHub
parent cf41316998
commit bcac7b93cc
1 changed files with 74 additions and 4 deletions
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76
src/includes/functions.inc.php
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@ -313,15 +313,18 @@ function psm_parse_msg($status, $type, $vars) {
* @param boolean $add_agent add user agent?
* @param string|bool $website_username Username website
* @param string|bool $website_password Password website
* @param integer &$maxredirect max redirects
* @return string cURL result
*
* @see http://www.php.net/manual/en/function.curl-setopt.php#102121
*/
function psm_curl_get($href, $header = false, $body = true, $timeout = null, $add_agent = true, $website_username = false, $website_password = false) {
function psm_curl_get($href, $header = false, $body = true, $timeout = null, $add_agent = true, $website_username = false, $website_password = false, &$maxredirect = null) {
$timeout = $timeout == null ? PSM_CURL_TIMEOUT : intval($timeout);
$mr = $maxredirect === null ? 10 : intval($maxredirect);
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, $header);
curl_setopt($ch, CURLOPT_NOBODY, (!$body));
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
@ -335,6 +338,73 @@ function psm_curl_get($href, $header = false, $body = true, $timeout = null, $ad
curl_setopt($ch, CURLOPT_URL, $href);
if (ini_get('open_basedir') == '') {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_MAXREDIRS, $mr);
} else {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
if ($mr > 0) {
$newurl = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
$urlData = parse_url($newurl);
$rch = curl_copy_handle($ch);
curl_setopt($rch, CURLOPT_HEADER, true);
curl_setopt($rch, CURLOPT_NOBODY, false);
curl_setopt($rch, CURLOPT_FORBID_REUSE, false);
curl_setopt($rch, CURLOPT_RETURNTRANSFER, true);
do {
curl_setopt($rch, CURLOPT_URL, $newurl);
$header = curl_exec($rch);
if (curl_errno($rch)) {
$code = 0;
} else {
$code = curl_getinfo($rch, CURLINFO_HTTP_CODE);
if ($code == 301 || $code == 302 || $code == 303 || $code == 307) {
preg_match('/Location:(.*?)\n/', $header, $matches);
$newurl = trim(array_pop($matches));
$newurlData = parse_url($newurl);
// When redirect URL is relative
// Used poor man's relative url resolution
// http://stackoverflow.com/questions/8250259/is-a-302-redirect-to-relative-url-valid-or-invalid
if (!isset($newurlData['host'])) {
$newurl = $urlData['scheme']
. '://'
. (isset($urlData['user']) && isset($urlData['password']) ? $urlData['user'] . ':' . $urlData['password'] . '@' : '')
. $urlData['host']
. (isset($urlData['port']) ? ':' . $urlData['port'] : '')
. $newurlData['path']
. (isset($urlData['query']) ? '?' . $urlData['query'] : '')
;
}
} else {
$code = 0;
}
}
} while ($code && --$mr);
curl_close($rch);
if (!$mr) {
if ($maxredirect === null) {
trigger_error('Too many redirects. When following redirects, libcurl hit the maximum amount.', E_USER_WARNING);
} else {
$maxredirect = 0;
}
return false;
}
curl_setopt($ch, CURLOPT_URL, $newurl);
}
}
if($add_agent) {
curl_setopt ($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; phpservermon/'.PSM_VERSION.'; +http://www.phpservermonitor.org)');
}