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FastCurl.php
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FastCurl.php
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<?php
/**
* FastCurl (PHP object-oriented wrapper for {@link http://curl.haxx.se/ cURL})
*
* Copyright (c) 2010 Antonio López Vivar
*
* LICENSE:
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see {@link http://www.gnu.org/licenses}.
*
*
* @category Library
* @package FastCurl
* @author Antonio López Vivar <[email protected]>
* @copyright 2010 Antonio López Vivar
* @license http://opensource.org/licenses/lgpl-3.0.html LGPL
* @version 3.4.1
*/
require_once('FastCurlMulti.php');
/**
* @property mixed|null $_ch cURL handle
* @property array|null $_fastcurlopt Assoc array with CURLOPTs that have been set in cURL handle.
* @property bool|null $_multilock Indicates if the object is associated to a FastCurlMulti container.
* @property string|null $_response Keeps the response of last curl_exec() operation.
* @property int|null $_exec_mode self::FCURL_EXEC_BODY: body, self::FCURL_EXEC_HEADERS: headers, self::FCURL_EXEC_HEADERSBODY: headers + body
* @property bool|null $_anonymous Indicates if we use transparent anonymous queries.
* @property bool|null $_response_lock Indicates if $_response is write protected.
* @property array|null $_fastcookies FastCookies store.
* @property bool|null $_track_header_out Indicates if CURLINFO_HEADER_OUT is ON (More info -> {@link http://php.net/manual/en/function.curl-getinfo.php})
* @property bool|null $_fast_followlocation If safe_mode or open_basedir are enabled CURLOPT_FOLLOWLOCATION cannot be activated. In this case, FastCurl will do its own redirection.
* @property bool|null $_public_suffix Public suffix tree (More info -> {@link http://publicsuffix.org})
*/
class FastCurl implements customHeaders, anonymizable
{
const VERSION='3.4.1';
const FCURL_EXEC_BODY=1;
const FCURL_EXEC_HEADERS=2;
const FCURL_EXEC_HEADERSBODY=3;
const FCURL_CONNECTTIMEOUT=10;
const PUBLIC_SUFFIX_FILE='effective_tld_names.dat';
const PUBLIC_SUFFIX_URL='http://mxr.mozilla.org/mozilla-central/source/netwerk/dns/effective_tld_names.dat?raw=1';
private $_ch=NULL;
private $_fastcurlopt=NULL;
private $_multilock=NULL;
private $_response=NULL;
private $_exec_mode=NULL;
private $_anonymous=NULL;
private $_response_lock=NULL;
private $_fastcookies=NULL;
private $_track_header_out=NULL;
private $_fast_followlocation=NULL;
private $_last_url=NULL;
private static $_public_suffix = NULL;
/**
* (All keys in arrays are optional and case/order insensitive).
*
* @param Array $params CURLOPTS and _fastcurlopt, _multilock, _response, _exec_mode, _anonymous, _response_lock, _fastcookies, _track_header_out
*/
public function __construct(Array $params=NULL)
{
if(!extension_loaded('curl'))
throw new ErrorException('cURL library is not loaded. Please recompile PHP with the cURL library.');
$this->reset($params);
}
/**
* Use this function to FULL RESET a FastCurl object. (All keys in arrays are optional and case/order insensitive).
*
* @param Array $params CURLOPTS and _fastcurlopt, _multilock, _response, _exec_mode, _anonymous, _response_lock, _fastcookies, _track_header_out
*/
public function reset(Array $params=NULL)
{
$this->_fastcurlopt=array();
if($params)
$params=array_change_key_case($params);
if($this->_ch)
{
if($this->is_multilock())
$this->unlockMulti($this->_multilock);
if(is_array($this->_fastcookies) && isset($this->cookiejar))
$this->fc_cookies2disk();
curl_close($this->_ch);
}
$this->_ch=curl_init();
curl_setopt($this->_ch, CURLOPT_HEADER, TRUE);
if($params['_multilock'] && is_a($params['_multilock'], 'FastCurlMulti'))
$this->lockMulti($params['_multilock']);
else
$this->_multilock=NULL;
$this->set_exec_mode($params['_exec_mode']);
$this->set_anonymous((bool)$params['_anonymous']);
$this->set_track_header_out((bool)$params['_track_header_out']);
$this->set_response($params['_response']);
$this->set_response_lock((bool)$params['_response_lock']);
if($params['_fastcookies'] || is_array($params['_fastcookies']))
{
//FastCurl cookies (they can be enabled just at constructor time).
date_default_timezone_set('UTC');
//Optional: you can pass a _fastcookies array from other FastCurl object or a cookiefile
if(is_array($params['_fastcookies']))
$this->_fastcookies=$params['_fastcookies'];
else
{
$this->_fastcookies=array();
if(is_string($params['_fastcookies']))
$this->load_fc_cookies($params['_fastcookies']);
}
//Optional (default ON): USE PUBLIC SUFFIX LIST FOR COOKIES -> http://publicsuffix.org
if($params['_fastcookies_ps']!==FALSE && !$this->load_public_suffix_file(is_bool($params['_fastcookies_ps']['url'])?$params['_fastcookies_ps']['url']:FALSE))
trigger_error("PUBLIC SUFFIX LIST COULD NOT BE LOADED!", E_USER_WARNING);
}
else
{
//CURL cookies (DEFAULT)
$this->_fastcookies=NULL;
$this->cookiefile=uniqid();
}
$this->failonerror=TRUE;
$this->useragent=implode('_', array('FastCurl', self::VERSION, FastCurlMulti::VERSION));
$this->httpheader=$this->default_headers();
$this->connecttimeout=self::FCURL_CONNECTTIMEOUT;
$this->ssl_verifyhost=0;
$this->ssl_verifypeer=FALSE;
if($params)
{
if($params['_fastcurlopt'])
$this->set_fastcurlopt($params['_fastcurlopt'], (bool)$this->_response, !empty($this->_fastcookies));
foreach($params as $key => $value)
{
if($key[0]!='_')
$this->$key=$value;
}
}
return TRUE;
}
/**
* Magic method for cloning FastCurl object.
*/
public function __clone()
{
$this->_ch=NULL;
$this->reset(array('_fastcurlopt' => $this->_fastcurlopt, '_multilock' => $this->_multilock, '_response' => $this->_response, '_exec_mode' => $this->_exec_mode, '_anonymous' => $this->_anonymous, '_response_lock' => $this->_response_lock, '_fastcookies' => $this->_fastcookies, '_track_header_out' => $this->_track_header_out));
}
/**
* If you need to change any cookie you have to write them first to disk (curl does not manage cookies).
*
* @return bool
*/
public function curl_cookies2disk()
{
if(!is_array($this->_fastcookies) && $this->_ch && $this->cookiejar)
{
$res_lock=$this->is_response_lock();
$this->set_response_lock(TRUE);
if($this->is_multilock())
{
$mh=$this->_multilock;
$this->unlockMulti($this->_multilock);
}
curl_close($this->_ch);
$this->_ch=curl_init();
if($mh)
$this->lockMulti($mh);
$this->set_fastcurlopt($this->get_fastcurlopt(), TRUE, FALSE);
if($this->cookiefile!=$this->cookiejar)
$this->cookiefile=$this->cookiejar;
$this->set_response_lock($res_lock);
return TRUE;
}
else
return FALSE;
}
/**
* @return mixed $this->_ch
*/
public function get_ch_from_multi(FastCurlMulti $mh)
{
return ($this->is_multilock() && $this->_multilock===$mh)?$this->_ch:NULL;
}
/**
* REMEMBER: any CURLOPT (followlocation, autoreferer or returntransfer) that you DO NOT send, will be set to its default value!
*
* @param string|array array('_exec_mode' => $this->_exec_mode, 'followlocation' => $this->followlocation, 'autoreferer' => $this->autoreferer, 'returntransfer' => $this->returntransfer)
* @param bool $keep_res TRUE to keep safe current $this->_response
* @return bool
*/
public function set_exec_mode($exec_mode=NULL, $keep_res=FALSE)
{
if($keep_res)
{
$res_lock=$this->is_response_lock();
$this->set_response_lock(TRUE);
}
$exec_mode=array_change_key_case(is_array($exec_mode)?$exec_mode:array('_exec_mode' => $exec_mode));
if($exec_mode['_exec_mode']==self::FCURL_EXEC_BODY || $exec_mode['_exec_mode']==self::FCURL_EXEC_HEADERS || $exec_mode['_exec_mode']==self::FCURL_EXEC_HEADERSBODY)
$this->_exec_mode=$exec_mode['_exec_mode'];
else
$this->_exec_mode=self::FCURL_EXEC_BODY;
$this->followlocation=is_bool($exec_mode['followlocation'])?$exec_mode['followlocation']:TRUE;
$this->autoreferer=is_bool($exec_mode['autoreferer'])?$exec_mode['autoreferer']:TRUE;
$this->returntransfer=is_bool($exec_mode['returntransfer'])?$exec_mode['returntransfer']:TRUE;
if($keep_res)
$this->set_response_lock($res_lock);
return TRUE;
}
/**
* @return array array('_exec_mode' => $this->_exec_mode, 'followlocation' => $this->followlocation, 'autoreferer' => $this->autoreferer, 'returntransfer' => $this->returntransfer)
*/
public function get_exec_mode()
{
return $this->_exec_mode?array('_exec_mode' => $this->_exec_mode, 'followlocation' => $this->followlocation, 'autoreferer' => $this->autoreferer, 'returntransfer' => $this->returntransfer):NULL;
}
/**
* Last effective url
* @return string
*/
public function get_last_url()
{
return $this->_last_url;
}
/**
*
*/
public function set_last_url_from_multi(FastCurlMulti $mh, $url)
{
if($this->is_multilock() && $this->_multilock===$mh)
{
$this->_last_url=$url;
return TRUE;
}
else
return FALSE;
}
/**
* @return bool
*/
public function is_multilock()
{
return $this->_multilock?TRUE:FALSE;
}
/**
* @return bool
*/
public function is_fast_followlocation()
{
return $this->_fast_followlocation;
}
/**
* Set the fastcurlopt array. (It merges current _fastcurlopt array with the new one passed in $curlopt, overwritting values with the same key).
*
* @param array $curlopt array('CURLOPT_NAME' => VALUE, etc...) (Remember header's array format is array('hname' => 'hvalue', etc...))
* @param bool $keep_res TRUE to keep safe current $this->_response
* @param bool $keep_cookiefile Set it TRUE if you do not want to "refresh" cookies by reading a cookiefile.
* @return int $tot Number of CURLOPTs MODIFIED.
*/
public function set_fastcurlopt(Array $curlopt, $keep_res=TRUE, $keep_cookiefile=TRUE)
{
if(!count($curlopt))
$this->_fastcurlopt=array();
else
{
if($keep_res)
{
$res_lock=$this->is_response_lock();
$this->set_response_lock(TRUE);
}
if(!is_array($this->_fastcurlopt))
$this->_fastcurlopt=array();
if($keep_cookiefile)
unset($curlopt['CURLOPT_COOKIEFILE']);
foreach($curlopt as $opt => $value)
{
$opt=str_ireplace('CURLOPT_','',trim($opt));
$this->$opt=$value;
}
if($keep_res)
$this->set_response_lock($res_lock);
}
return TRUE;
}
/**
* @return array $this->_fastcurlopt
*/
public function get_fastcurlopt()
{
return $this->_fastcurlopt;
}
/**
* Parses and stores FastCurl cookies from a curl response
*
* @param string $res_curl
*
* @return bool
*/
private function receive_fc_cookies($res_curl)
{
if(is_array($this->_fastcookies) && preg_match_all('/(?<=Set-Cookie\:).*?(?=\r\n)/i', preg_replace('/^(.*?(?:HTTP *?\/ *?.*? +?\d{3}.*?\r\n\r\n))+.*$/is', '\1', $res_curl), $cookies_raw)>0)
{
foreach($cookies_raw[0] as $cookie_raw)
{
if(preg_match('/^(?P<name>[^=]+)\=(?P<value>.*?)(?:; (?P<rest>.+))?$/', trim($cookie_raw), $parse))
{
$name=trim($parse['name']);
$value=trim($parse['value']);
$c=array();
if(isset($parse['rest']))
{
foreach(array('expires' => TRUE, 'max-age' => TRUE,'domain' => TRUE, 'path' => TRUE, 'secure' => FALSE, 'httponly' => FALSE) as $at_name => $val_required)
{
if(preg_match('/'.preg_quote($at_name, '/').($val_required?'\=(.*?)':'.*?').'(?=;|$)/i', trim($parse['rest']), $val))
$c[$at_name]=$val_required?trim($val[1]):TRUE;
}
}
if(!isset($c['domain']) || (!$this->is_public_suffix(($c['domain']=ltrim(strtolower($c['domain']), '.'))) && (preg_match('/^.*'.preg_quote($c['domain'], '/').'$/', $this->get_url_domain()))))
{
$path=isset($c['path'])?$c['path']:$this->get_url_path();
$expiry_time=(!isset($c['max-age']) && !isset($c['expires']))?-1:(isset($c['max-age'])?time()+$c['max-age']:strtotime($c['expires']));
if(!isset($this->_fastcookies[$domain][$name][$path]) && ($expiry_time==-1 || $expiry_time > time()))
$this->set_fc_cookie($name, $value, !isset($c['domain'])?array(NULL):$c['domain'], $path, $expiry_time, isset($c['secure']), isset($c['httponly']));
else if($expiry_time==-1 || $expiry_time > time())
$this->set_fc_cookie($name, $value, !isset($c['domain'])?array(NULL):$c['domain'], $path, $expiry_time, isset($c['secure']), isset($c['httponly']), $this->_fastcookies[$domain][$name][$path]['creation-time']);
else
$this->delete_fc_cookie($domain, $name, $path);
}
}
}
return TRUE;
}
else
return FALSE;
}
/**
* Parses and stores FastCurl cookies from a curl response (called from a FastCurlMulti)
*
* @param FastCurlMulti $mh
* @param string $res
*
* @return bool
*/
public function receive_fc_cookies_from_multi(FastCurlMulti $mh, $res)
{
if($this->is_multilock() && $this->_multilock===$mh)
return $this->receive_fc_cookies($res);
else
return FALSE;
}
/**
* Check if a domain is a public suffix (More info -> {@link http://publicsuffix.org})
*
* @param string $domain
*
* @return int|bool
*/
private function is_public_suffix($domain)
{
if(is_array(self::$_public_suffix))
{
$current_tree_level=&self::$_public_suffix;
$tot=count(($domain_levels=explode('.', trim($domain, '.'))));
do
{
if(array_key_exists($domain_levels[$tot-1], $current_tree_level) || (array_key_exists('*', $current_tree_level) && !array_key_exists('!'.$domain_levels[$tot-1], $current_tree_level)))
{
$current_tree_level=&$current_tree_level[array_key_exists('*', $current_tree_level)?'*':$domain_levels[$tot-1]];
$tot--;
}
else
$current_tree_level=NULL;
}while($current_tree_level && $tot>0);
return (!$current_tree_level && $tot>0)?FALSE:TRUE;
}
else
return 0;
}
/**
* Loads Public Suffix Tree (More info -> {@link http://publicsuffix.org})
*
* @param bool $get_from_url Reads Public Suffix List from PUBLIC_SUFFIX_URL (instead PUBLIC_SUFFIX_FILE)
*
* @return int|bool
*/
private function load_public_suffix_file($get_from_url=FALSE)
{
if(!is_array(self::$_public_suffix))
{
if($get_from_url===TRUE || is_readable(($file_path=realpath(__DIR__.'/'.ltrim(self::PUBLIC_SUFFIX_FILE, '/')))))
{
$suffix=array();
$f=fopen($get_from_url===TRUE?self::PUBLIC_SUFFIX_URL:$file_path, 'r');
while(($l=fgets($f))!==FALSE)
{
if(($l=trim($l))!='' && strpos($l, '//')!==0)
{
$current=&$suffix;
foreach(array_reverse(explode('.', $l)) as $level)
{
if(!isset($current[$level]))
$current[$level]=array();
$current=&$current[$level];
}
}
}
fclose($f);
if($suffix)
{
self::$_public_suffix=$suffix;
return TRUE;
}
else
return FALSE;
}
else
return FALSE;
}
else
return TRUE;
}
/**
* Creates Cookie header and add it to the current request
*
* @return bool|string
*/
private function send_fc_cookies()
{
if(is_array($this->_fastcookies))
{
$cookies_domain=array();
foreach($this->_fastcookies as $domain => $names)
{
if(preg_match('/^.*'.preg_quote($domain, '/').'$/i', $this->get_url_domain()))
{
$cookies_name=array();
foreach($names as $name => $paths)
{
foreach($paths as $path => &$c)
if(preg_match('/^(?:https?\:\/\/)?[^\/]+'.preg_quote(rtrim($path, '/'), '/').'/i', $this->url) && ($c['expiry-time']==-1 || $c['expiry-time'] > time()) && (!$c['secure'] || $this->is_https_url()) && (!$c['host-only'] || $domain==$this->get_url_domain()))
{
$c['last-access-time']=time();
$cookies_name[$name]=array($path => $c['value']);
}
else if($c['expiry-time']!=-1 && $c['expiry-time'] <= time())
$this->delete_fc_cookie($domain, $name, $path);
}
if($cookies_name)
$cookies_domain[$domain]=$cookies_name;
}
}
if($cookies_domain)
{
//First merge cookies from domain.com, foo.domain.com, loo.foo.domain.com, etc. (If two or more domains have a cookie with the same name, the one from the largest domain will prevail).
uksort($cookies_domain, function($a, $b){return ($r=strlen($a)-strlen($b))?$r:strcasecmp($a,$b);});
$cookies=array();
foreach($cookies_domain as $cookie)
$cookies=array_merge($cookies, $cookie);
//Now prepare the Cookie http header. (If a cookie has several paths larger path values will be sent before).
$cook_str=NULL;
foreach($cookies as $name => $paths)
{
$cookies_path=array();
foreach($paths as $path => $value)
$cookies_path[$path]="$name=$value";
krsort($cookies_path);
$cook_str.=(!$cook_str?'':'; ').implode('; ', $cookies_path);
}
}
if($cook_str)
$this->add_header(array('cookie' => $cook_str));
else
$this->delete_header('cookie');
return $cook_str;
}
else
return FALSE;
}
/**
* Creates Cookie header and add it to the current request (called from a FastCurlMulti)
*
* @param FastCurlMulti $mh
*
* @return bool|string
*/
public function send_fc_cookies_from_multi(FastCurlMulti $mh)
{
if($this->is_multilock() && $this->_multilock===$mh)
return $this->send_fc_cookies();
else
return FALSE;
}
/**
* Writes FastCurl cookies to disk
*
* @param string|null $cookiejar
*
* @return bool
*/
public function fc_cookies2disk($cookiejar=NULL)
{
if(is_array($this->_fastcookies) && ($this->cookiejar || $cookiejar))
{
$cookies=array("#FastCurl cookies (EDIT AT YOUR OWN RISK)\n");
foreach($this->_fastcookies as $domain => $names)
{
foreach($names as $name => $paths)
{
foreach($paths as $path => $c)
if($c['expiry-time']==-1 || $c['expiry-time'] > time())
$cookies[]="{$domain}\t{$name}\t{$c['value']}\t{$path}\t{$c['expiry-time']}\t".($c['secure']?1:0)."\t".($c['httponly']?1:0)."\t".($c['host-only']?1:0)."\n";
}
}
return file_put_contents($cookiejar?$cookiejar:$this->cookiejar, $cookies)===FALSE?FALSE:TRUE;
}
else
return FALSE;
}
/**
* Loads FastCurl cookies from a file or a _fastcookies array
*
* @param string|array $cookiefile
*
* @return bool
*/
public function load_fc_cookies($cookiefile)
{
if(is_array($this->_fastcookies))
{
if(is_array($cookiefile))
{
foreach($cookiefile as $domain => $names)
{
foreach($names as $name => $paths)
{
foreach($paths as $path => $c)
{
if(isset($this->_fastcookies[$domain][$name][$path]))
{
if($c['creation-time'] > $this->_fastcookies[$domain][$name][$path]['creation-time'])
$this->_fastcookies[$domain][$name][$path]=$c;
}
else
$this->_fastcookies[$domain][$name][$path]=$c;
}
}
}
}
else if(is_string($cookiefile) && is_readable($cookiefile) && ($cookies=file($cookiefile, FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES)))
{
foreach($cookies as $cookie)
{
$cookie=trim($cookie);
if($cookie[0]!='#')
{
list($domain, $name, $value, $path, $expiry_time, $secure, $httponly, $host_only)=explode("\t", $cookie);
$this->set_fc_cookie($name, $value, (bool)$host_only?array($domain):$domain, $path, $expiry_time, (bool)$secure, (bool)$httponly);
}
}
}
return TRUE;
}
else
return FALSE;
}
/**
* Sets a FastCurl cookie.
*
* @param string $name
* @param string $value
* @param string|array $domain If host-only flag is TRUE use array($domain)
* @param string $path
* @param int $expire
* @param bool $secure
* @param bool $httponly
* @param int $creation_time
*
* @return bool
*/
public function set_fc_cookie($name, $value=NULL, $domain=NULL, $path='/', $expire=FALSE, $secure=FALSE, $httponly=FALSE, $creation_time=NULL)
{
if(!empty($name))
{
$host_only=TRUE;
if(!$domain)
$domain=$this->get_url_domain();
else if(is_array($domain))
$domain=$domain[0]?$domain[0]:$this->get_url_domain();
else
$host_only=FALSE;
$this->_fastcookies[$domain][$name][($path=$path?$path:$this->get_url_path())]=array('value' => $value, 'secure' => $secure, 'httponly' => $httponly, 'creation-time' => ($t=is_numeric($creation_time)?$creation_time:time()), 'last-access-time' => $t, 'expiry-time' => (is_numeric($expire) && $expire > time())?$expire:-1, 'host-only' => $host_only);
return TRUE;
}
else
return FALSE;
}
/**
* Gets a FastCurl cookie.
*
* @param string $domain
* @param string $name
* @param string $path
*
* @return array|bool
*/
public function get_fc_cookies($domain=NULL, $name=NULL, $path=NULL)
{
if(!func_num_args())
return $this->_fastcookies;
else if($domain || ($domain=$this->get_url_domain()))
{
if($name)
{
if($path)
return($this->_fastcookies[$domain][$name][$path]);
else
return($this->_fastcookies[$domain][$name]);
}
else
return($this->_fastcookies[$domain]);
return TRUE;
}
else
return FALSE;
}
/**
* Deletes a FastCurl cookie.
*
* @param string $domain
* @param string $name
* @param string $path
*
* @return bool
*/
public function delete_fc_cookie($domain=NULL, $name=NULL, $path=NULL)
{
if($domain || ($domain=$this->get_url_domain()))
{
if($name)
{
if($path)
{
unset($this->_fastcookies[$domain][$name][$path]);
if(!count($this->_fastcookies[$domain][$name]))
unset($this->_fastcookies[$domain][$name]);
}
else
unset($this->_fastcookies[$domain][$name]);
if(!count($this->_fastcookies[$domain]))
unset($this->_fastcookies[$domain]);
}
else
unset($this->_fastcookies[$domain]);
return TRUE;
}
else
return FALSE;
}
/**
* Deletes all FastCurl cookies.
*
* @return TRUE.
*/
public function clean_fc_cookies()
{
$this->_fastcookies=array();
return TRUE;
}
/**
* Returns the domain of the current URL (or referer).
*
* @param bool $referer
*
* @return string domain.
*/
public function get_url_domain($referer=FALSE)
{
return strtolower(preg_replace('/^(?:https?\:\/\/)?([^\/]+).*$/i', '\1', trim($referer?$this->referer:$this->url)));
}
/**
* Returns the "path" of the current URL (or referer)
*
* @param bool $referer
*
* @return string path.
*/
public function get_url_path($referer=FALSE)
{
return '/'.preg_replace('/^(?:https?\:\/\/)?[^\/]+(?:\/((?:[^\/?]+\/)*).*)?$/i', '\1', trim($referer?$this->referer:$this->url));
}
/**
* Returns if the current URL (or referer) is HTTPS
*
* @param bool $referer
*
* @return string path.
*/
public function is_https_url($referer=FALSE)
{
return preg_match('/^https\:\/\//i', trim($referer?$this->referer:$this->url));
}
/**
* Calls curl_exec() and returns the response.
*
* @param int|array $exec_mode (JUST FOR THIS REQUEST)
* @param $reset_post By default, after a exec() CURLOPT_POST is disabled (CURLOPT_POSTFIELDS are kept).
*
* @return string|bool $this->response FRESH server's response.
*/
public function exec($exec_mode=NULL, $reset_post=TRUE)
{
if($this->url)
{
if($this->is_multilock())
{
$mh_orig=$this->_multilock;
$this->unlockMulti($this->_multilock);
}
if($this->get_anonymous())
{
$visible_url=$this->url;
$visible_ref=$this->referer;
$this->url=$this->get_anonym_url($this->url);
$this->referer=$this->get_anonym_url($this->referer);
}
if($exec_mode)
{
$exec_orig=$this->get_exec_mode();
$this->set_exec_mode(is_array($exec_mode)?array_merge($exec_orig, $exec_mode):$exec_mode);
}
$this->send_fc_cookies();
if($this->followlocation && (is_array($this->_fastcookies) || $this->is_fast_followlocation()))
{
$this->followlocation=FALSE;
$url_orig=$this->url;
$referer_orig=$this->referer;
$this->receive_fc_cookies(($res=curl_exec($this->_ch)));
while(strpos(trim($this->info('HTTP_CODE')), '3')===0)
{
if($this->post && $this->info('HTTP_CODE')!=307)
$this->enable_post(FALSE);
preg_match('/(?:(?:Location)|(Refresh))\: *?(?(1)\d+; *?url\=)(?P<redir>[^\r\n]+)/i', $res, $url);
if(preg_match('/^(?!.*?\:\/\/)/', ($url['redir']=trim($url['redir']))))
$url['redir']=preg_replace('/(?<!\:\/)\/[^\/]+$/','',$this->url).'/'.ltrim($url['redir'], '/');
if($this->autoreferer)
$this->referer=$this->url;
$this->url=$url['redir'];
$this->send_fc_cookies();
$this->receive_fc_cookies(($res=curl_exec($this->_ch)));
}
$this->_last_url=$this->url;
$this->url=$url_orig;
$this->referer=$referer_orig;
$this->followlocation=TRUE;
}
else
{
$this->receive_fc_cookies(($res=curl_exec($this->_ch)));
$this->_last_url=$this->info('EFFECTIVE_URL');
}
$res=$this->filter_res_curl($res);
if($exec_mode)
$this->set_exec_mode($exec_orig);
if($this->get_anonymous())
{
$this->url=$visible_url;
$this->referer=$visible_ref;
}
if($mh_orig)
$this->lockMulti($mh_orig);
if($reset_post && $this->post)
$this->enable_post(FALSE);
$this->set_response($res);
}
return $res;
}
/**
* Returns the LAST curl_exec() or curl_multi_exec() response (Every time a CURLOPT is set with $this->opt=value, the response is reset).
*
* @param string|array $regex REGEX pattern for looking in the response (array(N => $regex) will return sub-pattern \N).
* @param bool $regex_all preg_match or preg_match_all?
* @param bool $trim trim before preg_match?
*
* @return string $this->response LAST server's response.
*/
public function fetch($regex=NULL, $regex_all=FALSE, $trim=TRUE)
{
if(!$this->_response && $this->is_multilock())
$this->set_response(($fetch_res=$this->filter_res_curl(curl_multi_getcontent($this->_ch))));
else if(!$this->_response && $regex)
$fetch_res=$this->exec(array('returntransfer' => TRUE));
else if(!$this->_response)
$fetch_res=$this->exec();
else
$fetch_res=$this->_response;
if($regex)
{
$preg='preg_match'.($regex_all===TRUE?'_all':'');
if(is_array($regex) && (list($k, $v) = each($regex)))
$fetch_res_regex=$preg($v, $trim?trim($fetch_res):$fetch_res, $fetch_res_regex)?$fetch_res_regex[$k]:NULL;
else if(!$preg($regex, $trim?trim($fetch_res):$fetch_res, $fetch_res_regex))
$fetch_res_regex=NULL;
if(!$this->returntransfer)
{
echo __METHOD__." $regex :\n";
var_dump($fetch_res_regex);
}
}
else if(!$this->returntransfer)
echo htmlentities($fetch_res, ENT_QUOTES, 'UTF-8');
return $regex?$fetch_res_regex:$fetch_res;
}
/**
* @return string curl_error
*/
public function error()
{