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curl.php
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<?php
/*
* Curl Class
*
* @author http://weibo.com/yakeing
* @version 2.5
* Prompt: CertUrl The server may not contain root / chain SSL certificates, causing authentication errors
* 注意: 服务器证书可能不包含根/链SSL证书,导致身份验证错误
* Prompt: When you open the {HeadOut} option, GET/POST returns only false
* 注意:当您打开{HeadOut}选项时,GET / POST仅返回false
*
* Upload Files
* $post = array('upload' =>curl_file_create(''img.jpg','image/jpeg','pic.jpg'));
* $post = array('upload'=>new CURLFile(realpath('img.jpg'))); php 5.5 Edition
*
* from-data == array()
* x-www-form-urlencoded == key=value
* HTTP/1.1 100 Continue = CURLOPT_HTTPHEADER = array( 'Expect:' )
*/
namespace php_curl;
class curl{
public $Headers = array();
public $Body = '';
public $StatusCode = 0;
public $UrlPut = ''; //最后一个有效发送地址
public $HeadersPut = ''; //发送的头部 put Headers
public $Cookie = array(); //返回 Cookie
public $Error = ''; //返回 Error
private $HeadOut = false; //只输出头部(需要打开回调函数)
//Constructor
public function __construct(){
if(function_exists('curl')){
throw new Exception('Curl not defined');
}
} //END __construct
//Initialization Param
private function Init($Par){
if(isset($Par['HeadOut']) && $Par['HeadOut'] === true){
$Par['HeaderCallback'] = true;
$this->HeadOut = true;
}else{
$this->HeadOut = false;
}
$Param = array(
'CurlOpt' => array(), //自定义 Curl 选项
'CookieSet' => array(), //设置 Cookie
'Timeout' => 5, //运行时间S秒
'Referer' => '', //伪装来源
'Certificate' => '', //Base64编码pem格式的CA证书
'HeadersOn' => false, //输出头部信息
'HeaderCallback' => false, //回调函数(返回头部)
'LocationQuantity' => 0, //自动重定向次数(HTTP 301/302)
'Encoding' => 'deflate, gzip', //压缩 1.identity、2.deflate, gzip
'UserAgent' => 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html )'
);
foreach($Param as $key => $value){
if(isset($Par[$key])){
$Param[$key] = $Par[$key];
}
}
return $Param;
} //NDE Init
//Get Network Resources
public function GET($Url, $Par = array(), $Header = array()){
return $this->Method($Url, NULL, $Par, $Header, 'GET');
} //NDE GET
//Get HEAD
public function HEAD($Url, $Par = array(), $Header = array()){
$Par['HeadOut'] = true;
$ret = $this->Method($Url, NULL, $Par, $Header, 'GET');
return ($this->StatusCode == 200);
} //NDE HEAD
//Delete
public function DELETE($Url, $Par = array(), $Header = array()){
return $this->Method($Url, NULL, $Par, $Header, 'DELETE');
} //NDE DELETE
//Send Data Packet
public function POST($Url, $Vars, $Par = array(), $Header = array()){
return $this->Method($Url, $Vars, $Par, $Header, 'POST');
} //END POST
//Send Data Packet (idempotent)
public function PUT($Url, $Vars, $Par = array(), $Header = array()){
return $this->Method($Url, $Vars, $Par, $Header, 'PUT');
} //END PUT
//Send Data Packet
public function Method($Url, $Vars, $Par, $Header, $Method){
$Param = $this->Init($Par);
$Options = $this->Options($Url, $Param, $Header);
if($Method != 'GET'){
if($Method == 'POST'){
$Options[CURLOPT_POST] = true;
}else{
$Options[CURLOPT_CUSTOMREQUEST] = strtoupper($Method);
}
if(isset($Vars)){
$Options[CURLOPT_POSTFIELDS] = $Vars;
}
}
//$Options[CURLOPT_HTTPGET] = true; //default setting GET
return $this->Http($Options);
} //END Method
//Curl Options
private function Options($Url, $Param, $Header){
$Options = array(
CURLOPT_URL => $Url, //Destination address(URL)
CURLOPT_USERAGENT => $Param['UserAgent'], //Customer UA mark
CURLOPT_TIMEOUT => $Param['Timeout'], //Running time (sec)
CURLOPT_CONNECTTIMEOUT => $Param['Timeout'], //Connection time (sec)
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, //http 1.1 Edition
CURLOPT_RETURNTRANSFER => true, //Return file stream
//CURLOPT_COOKIESESSION => true, //session cookie
CURLINFO_HEADER_OUT => true //Request for trace handle
);
//Closing Body will not be able to receive cookie information
//$Options[CURLOPT_NOBODY] = true;
if(!empty($Header)){//Set header information
$Options[CURLOPT_HTTPHEADER] = $Header;
}
if(strrpos($Url, 'https://') === 0){//https mode
if(empty($Param['Certificate'])){
$Options[CURLOPT_SSL_VERIFYPEER] = false;//https peer’s certificate OFF
$Options[CURLOPT_SSL_VERIFYHOST] = false;//No inspection certificate
}else{
$Options[CURLOPT_SSL_VERIFYPEER] = true;//Validation of peer’s certificate
$Options[CURLOPT_SSL_VERIFYHOST] = 2;//Does the Certificate Common Name match the hostname (Strict certification)
$Options[CURLOPT_CAINFO] = $Param['Certificate'];//Certificate address
}
}
if(is_int($Param['LocationQuantity']) && $Param['LocationQuantity'] > 0){//redirection (HTTP 301/302)
$Options[CURLOPT_FOLLOWLOCATION] = true;//Open redirection
$Options[CURLOPT_AUTOREFERER] = true;//Redirection automatically sets Referer information
$Options[CURLOPT_MAXREDIRS] = $Param['LocationQuantity']; //Redirection times
}
if(!empty($Param['CookieSet'])){//Cookie information
if(is_array($Param['CookieSet'])){
$cookie = '';
foreach ($Param['CookieSet'] as $key => $value) {
$cookie .= $key.'='.$value.';';
}
}else{ //is_string($Param['CookieSet'])
$cookie = $Param['CookieSet'];
}
$Options[CURLOPT_COOKIE] = $cookie;
}
if(!empty($Param['Referer'])){//Camouflage source
$Options[CURLOPT_REFERER] = $Param['Referer'];
}
if(!empty($Param['Encoding'])){//compress
$Options[CURLOPT_ENCODING] = $Param['Encoding'];
}
if($Param['HeadersOn'] === true){//Back header
$Options[CURLOPT_HEADER] = true;
}
if($Param['HeaderCallback'] === true){//callback (Get header)
$Options[CURLOPT_HEADERFUNCTION] = array($this, 'CurlHeaderCallback');
}
if(count($Param['CurlOpt'])>0){//Add or change Curl Options
$Options = array_replace($Options, $Param['CurlOpt']);
}
return $Options;
} //END Options
// Curl Header Callback
private function CurlHeaderCallback($ch, $header){
$i = strpos($header, ':');
if(!empty($i)){
$key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
$value = trim(substr($header, $i + 2));
if($key == 'set_cookie'){
list($k, $v) = explode('=', strstr($value, ';', true), 2);
$this->Cookie[$k] = $v;
}else{
$this->Headers[$key] = $value;
}
}else if(!empty(trim($header))){
$this->Headers['HTTP'][] = $header;
}else if($this->HeadOut){
return 0;
}
return strlen($header);
} //END CurlHeaderCallback
//initialize variable Packet
private function InitializeVariable(){
$this->StatusCode = 0;
$this->Headers = $this->Cookie = array();
$this->Body = $this->UrlPut = $this->HeadersPut = $this->Error = '';
} //END InitializeVariable
//Establish Communication Connection
private function Http($options){
$this->InitializeVariable();
$ch = curl_init();
curl_setopt_array($ch, $options);
$ResUlt = curl_exec($ch);
//Gets the size of the header
$Header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
//Gets the last valid URL
$this->UrlPut = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
//Send header request
$this->HeadersPut = curl_getinfo($ch, CURLINFO_HEADER_OUT );
//Get the last valid code
$this->StatusCode = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
//Get Content-Type value
//$ContentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE );
if($ResUlt === false || curl_errno($ch) !== 0){
$this->Error = curl_error($ch);
curl_close($ch);
return false;
}else{
$this->Body = $ResUlt;
curl_close($ch);
return true;
}
} //END Http
}