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<?php
/* Copyright (C) 2008-2013 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU 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 <http://www.gnu.org/licenses/>.
* or see http://www.gnu.org/
*/
/**
* \file htdocs/core/lib/geturl.lib.php
* \brief This file contains functions dedicated to get URL.
*/
/**
* Function to get a content from an URL (use proxy if proxy defined)
*
* @param string $url URL to call.
* @param string $postorget 'POST', 'GET', 'HEAD', 'PUT', 'PUTALREADYFORMATED', 'POSTALREADYFORMATED', 'DELETE'
* @param string $param Parameters of URL (x=value1&y=value2) or may be a formated content with PUTALREADYFORMATED
* @param integer $followlocation 1=Follow location, 0=Do not follow
* @param string[] $addheaders Array of string to add into header. Example: ('Accept: application/xrds+xml', ....)
* @return array Returns an associative array containing the response from the server array('content'=>response,'curl_error_no'=>errno,'curl_error_msg'=>errmsg...)
*/
function getURLContent($url, $postorget = 'GET', $param = '', $followlocation = 1, $addheaders = array())
{
//declaring of global variables
global $conf;
$USE_PROXY=empty($conf->global->MAIN_PROXY_USE)?0:$conf->global->MAIN_PROXY_USE;
$PROXY_HOST=empty($conf->global->MAIN_PROXY_HOST)?0:$conf->global->MAIN_PROXY_HOST;
$PROXY_PORT=empty($conf->global->MAIN_PROXY_PORT)?0:$conf->global->MAIN_PROXY_PORT;
$PROXY_USER=empty($conf->global->MAIN_PROXY_USER)?0:$conf->global->MAIN_PROXY_USER;
$PROXY_PASS=empty($conf->global->MAIN_PROXY_PASS)?0:$conf->global->MAIN_PROXY_PASS;
dol_syslog("getURLContent postorget=".$postorget." URL=".$url." param=".$param);
//setting the curl parameters.
$ch = curl_init();
/*print $API_Endpoint."-".$API_version."-".$PAYPAL_API_USER."-".$PAYPAL_API_PASSWORD."-".$PAYPAL_API_SIGNATURE."<br>";
print $USE_PROXY."-".$gv_ApiErrorURL."<br>";
print $nvpStr;
exit;*/
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_USERAGENT, 'Dolibarr geturl function');
@curl_setopt($ch, CURLOPT_FOLLOWLOCATION, ($followlocation?true:false)); // We use @ here because this may return warning if safe mode is on or open_basedir is on
if (count($addheaders)) curl_setopt($ch, CURLOPT_HTTPHEADER, $addheaders);
curl_setopt($ch, CURLINFO_HEADER_OUT, true); // To be able to retrieve request header and log it
// By default use tls decied by PHP.
// You can force, if supported a version like TLSv1 or TLSv1.2
if (! empty($conf->global->MAIN_CURL_SSLVERSION)) curl_setopt($ch, CURLOPT_SSLVERSION, $conf->global->MAIN_CURL_SSLVERSION);
//curl_setopt($ch, CURLOPT_SSLVERSION, 6); for tls 1.2
//turning off the server and peer verification(TrustManager Concept).
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, empty($conf->global->MAIN_USE_CONNECT_TIMEOUT)?5:$conf->global->MAIN_USE_CONNECT_TIMEOUT);
curl_setopt($ch, CURLOPT_TIMEOUT, empty($conf->global->MAIN_USE_RESPONSE_TIMEOUT)?30:$conf->global->MAIN_USE_RESPONSE_TIMEOUT);
//curl_setopt($ch, CURLOPT_SAFE_UPLOAD, true); // PHP 5.5
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // We want response
if ($postorget == 'POST')
{
curl_setopt($ch, CURLOPT_POST, 1); // POST
curl_setopt($ch, CURLOPT_POSTFIELDS, $param); // Setting param x=a&y=z as POST fields
}
elseif ($postorget == 'POSTALREADYFORMATED')
{
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST'); // HTTP request is 'POST' but param string is taken as it is
curl_setopt($ch, CURLOPT_POSTFIELDS, $param); // param = content of post, like a xml string
}
elseif ($postorget == 'PUT')
{
$array_param=null;
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT'); // HTTP request is 'PUT'
if (! is_array($param)) parse_str($param, $array_param);
else
{
dol_syslog("parameter param must be a string", LOG_WARNING);
$array_param=$param;
}
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($array_param)); // Setting param x=a&y=z as PUT fields
}
elseif ($postorget == 'PUTALREADYFORMATED')
{
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT'); // HTTP request is 'PUT'
curl_setopt($ch, CURLOPT_POSTFIELDS, $param); // param = content of post, like a xml string
}
elseif ($postorget == 'HEAD')
{
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'HEAD'); // HTTP request is 'HEAD'
curl_setopt($ch, CURLOPT_NOBODY, true);
}
elseif ($postorget == 'DELETE')
{
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE'); // POST
}
else
{
curl_setopt($ch, CURLOPT_POST, 0); // GET
}
//if USE_PROXY constant set at begin of this method.
if ($USE_PROXY)
{
dol_syslog("getURLContent set proxy to ".$PROXY_HOST. ":" . $PROXY_PORT." - ".$PROXY_USER. ":" . $PROXY_PASS);
//curl_setopt ($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP); // Curl 7.10
curl_setopt($ch, CURLOPT_PROXY, $PROXY_HOST. ":" . $PROXY_PORT);
if ($PROXY_USER) curl_setopt($ch, CURLOPT_PROXYUSERPWD, $PROXY_USER. ":" . $PROXY_PASS);
}
//getting response from server
$response = curl_exec($ch);
$request = curl_getinfo($ch, CURLINFO_HEADER_OUT); // Reading of request must be done after sending request
dol_syslog("getURLContent request=".$request);
//dol_syslog("getURLContent response =".response); // This may contains binary data, so we dont output it
dol_syslog("getURLContent response size=".strlen($response)); // This may contains binary data, so we dont output it
$rep=array();
if (curl_errno($ch))
{
// Ad keys to $rep
$rep['content']=$response;
// moving to display page to display curl errors
$rep['curl_error_no']=curl_errno($ch);
$rep['curl_error_msg']=curl_error($ch);
dol_syslog("getURLContent response array is ".join(',', $rep));
}
else
{
$info = curl_getinfo($ch);
// Ad keys to $rep
$rep = $info;
//$rep['header_size']=$info['header_size'];
//$rep['http_code']=$info['http_code'];
dol_syslog("getURLContent http_code=".$rep['http_code']);
// Add more keys to $rep
$rep['content']=$response;
$rep['curl_error_no']='';
$rep['curl_error_msg']='';
//closing the curl
curl_close($ch);
}
return $rep;
}
/**
* Function get second level domain name.
* For example: https://www.abc.mydomain.com/dir/page.html return 'mydomain'
*
* @param string $url Full URL.
* @param int $mode 0=return 'mydomain', 1=return 'mydomain.com', 2=return 'abc.mydomain.com'
* @return string Returns domaine name
*/
function getDomainFromURL($url, $mode = 0)
{
$tmpdomain = preg_replace('/^https?:\/\//i', '', $url); // Remove http(s)://
$tmpdomain = preg_replace('/\/.*$/i', '', $tmpdomain); // Remove part after domain
if ($mode == 2)
{
$tmpdomain = preg_replace('/^.*\.([^\.]+)\.([^\.]+)\.([^\.]+)$/', '\1.\2.\3', $tmpdomain); // Remove part 'www.' before 'abc.mydomain.com'
}
else
{
$tmpdomain = preg_replace('/^.*\.([^\.]+)\.([^\.]+)$/', '\1.\2', $tmpdomain); // Remove part 'www.abc.' before 'mydomain.com'
}
if (empty($mode))
{
$tmpdomain = preg_replace('/\.[^\.]+$/', '', $tmpdomain); // Remove first level domain (.com, .net, ...)
}
return $tmpdomain;
}
/**
* Function root url from a long url
* For example: https://www.abc.mydomain.com/dir/page.html return 'https://www.abc.mydomain.com'
* For example: http://www.abc.mydomain.com/ return 'https://www.abc.mydomain.com'
*
* @param string $url Full URL.
* @return string Returns root url
*/
function getRootURLFromURL($url)
{
$prefix='';
$tmpurl = $url;
$reg = null;
if (preg_match('/^(https?:\/\/)/i', $tmpurl, $reg)) $prefix = $reg[1];
$tmpurl = preg_replace('/^https?:\/\//i', '', $tmpurl); // Remove http(s)://
$tmpurl = preg_replace('/\/.*$/i', '', $tmpurl); // Remove part after domain
return $prefix.$tmpurl;
}
/**
* Function to remove comments into HTML content
*
* @param string $content Text content
* @return string Returns text without HTML comments
*/
function removeHtmlComment($content)
{
$content = preg_replace('/<!--[^\-]+-->/', '', $content);
return $content;
}