php curl 代理 -凯发k8国际

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php curl 代理

博客分类：
class proxy_http {
//use agent
private $agent = '';//代理
    //get or post
private $method = "get";
//get data from where
private $url;
//parameters post
private $postparam = array();
//referer
private $referer;
//超时
private $timeout = 30;
//cookie
private $cookie;
// 是否直接输出数据，避免内存溢出
private $isdirectoutput = false;
/**
     *设置agent
     *@param
*/
public function setagent($agent) {
$this->agent = $agent;
    }
/**
     *设置http方法,get,post
     *@param
*/
public function setmethod($method) {
$this->method = $method;
    }
/**
     *设置url
     *@param
*/
public function set {
$this->url = $this->host . $url;
    }
/**
     *@param
*@return
*/
public function setcookie($cookie) {
$this->cookie = "";
foreach($cookie as $key => $value) {
$this->cookie .= "{$key}={$value};";
        }
    }
/**
     * 设置post参数
     * @param array $postparm
     * @return object
     */
public function setpostparam($postparam) {
$this->postparam = self::flattenarr($postparam);
return $this;
    }
/**
     * php://input
     * @param string $input
     * @return object
     */
public function setrawpostparam($input) {
$this->postparam = $input;
return $this;
    }
/**
     * 多维数组转为一维
     *
     * from
     * array(
     *      'list' => array(
     *           array('a' => b, 'c' => 'd')
     *      ),
     * );
     *
     * to
     * array('list[0][a]' => b, 'list[0][c]' => d)
     *
     * @param array $array
     * @param string $prefix
     * @return array
     */
private static function flattenarr($array, $prefix = '') {
$result = array();
foreach ($array as $key => $value) {
$key = $prefix ? $prefix.'['.$key.']' : $key;
if (is_array($value)) {
$result  = self::flattenarr($value, $key);
            } else {
$result[$key] = $value;
            }
        }
return $result;
    }
/**
     *设置files
     *@param
*/
public function setfiles($files) {
$filedata = array();
foreach ($files as $key => $file) {
$filedata[$key] = implode(';', array(
'@'.realpath($file['tmp_name']),
'type='.$file['type'],
'filename='.$file['name'],
            ));
        }
$this->postparam = array_merge($filedata, $this->postparam);
    }
/**
     *设置refer
     *@param
*/
public function setreferer($referer) {
$this->referer = $referer;
    }
/**
     *设置headers
     *@param
*/
public function setheaders($headers) {
$this->headers = $headers;
    }
/**
     *设置超时
     *@param
*/
public function gettimeout($timeout) {
$this->timeout = $timeout;
    }
/**
     * 是否直接输出
     *
     * @param bool $isdirectoutput
     * @return object
     */
public function setdirectoutput($isdirectoutput) {
$this->isdirectoutput = $isdirectoutput;
return $this;
    }
/**
     * 发送请求
     * @param void
     * @return mixed
     */
public function dorequest() {
$ch = curl_init();
curl_setopt($ch, curlopt_header, !$this->isdirectoutput);
curl_setopt($ch, curlopt_url, $this->url);
curl_setopt($ch, curlopt_encoding, "gzip");
curl_setopt($ch, curlopt_timeout, $this->timeout);
curl_setopt($ch, curlopt_followlocation, 1);
curl_setopt($ch, curlopt_returntransfer, 1);
if (!empty($this->agent)) {
curl_setopt($ch, curlopt_useragent,$this->agent);
        }
if (!empty($this->postparam)) {
curl_setopt($ch, curlopt_post, 1);
curl_setopt($ch, curlopt_postfields, $this->postparam);
        }
if (!empty($this->referer)) {
curl_setopt($ch, curlopt_referer , $this->referer);
        }
if ($this->cookie != false){
curl_setopt($ch, curlopt_cookie, $this->cookie);
        }
if (!empty($this->headers)) {
curl_setopt($ch, curlopt_httpheader, $this->headers);
        }
if ($this->isdirectoutput) {
curl_setopt($ch, curlopt_headerfunction, array($this, 'readcurlheader'));
curl_setopt($ch, curlopt_writefunction, array($this, 'readcurldata'));
        }
$response = curl_exec($ch);
if (curl_errno($ch)) {
return false;
        }
$body = '';
if (!$this->isdirectoutput) {
$headersize = curl_getinfo($ch, curlinfo_header_size);
$this->responseheader = substr($response, 0, $headersize);
$this->showheaders();
$body = substr($response, $headersize);
        }
curl_close($ch);
return $body;
    }
/**
     * @param object $curl
     * @param string $data
     * @return int
     */
private function readcurlheader($curl, $header) {
if (!self::isneedfilter($header)) {
header($header);
        }
return strlen($header);
    }
/**
     * @param object $curl
     * @param string $data
     * @return int
     */
private function readcurldata($curl, $data) {
echo $data;
return strlen($data);
    }
/**
     * @brief 返回reponseheader
     * @param
* @return
*/
public function getresponseheaders() {
return $this->responseheader;
    }
/**
     * @breif 绚烂输出的header
     * @param
* @return
*/
public function showheaders() {
$arrheader = explode("\r\n", $this->responseheader);
foreach($arrheader as $header) {
if (empty($header) || self::isneedfilter($header)) {
continue;
            }
header($header);
        }
    }
/**
     * 是否需要过滤 header
     *
     * @param string $header
     * @return bool
     */
private static function isneedfilter($header) {
static $headers = array(
'connection',
'content-encoding',
'date',
'server',
'set-cookie',
'tracecode',
'transfer-encoding',
'vary',
        );
if (strpos($header, ':') === false) {
return false;
        }
list($key, $value) = explode(':', $header);
if (in_array($key, $headers)) {
return true;
        }
return false;
    }
}
function curldispatch() {
//转发请求
$urlhelper = new proxy_http();
$url = 'http://test.com';
$_get['name'] = 'aa';
$_get['id'] = 'test';
if (!empty($_get)) {
$url .= "?" . http_build_query($_get);
    }
$urlhelper->setheaders(array(
"id:1223",
"name:testname",
    ));
$urlhelper->set;
if (!empty($_post)) {
$urlhelper->setpostparam($_post);
    }
if (!empty($_files)) {
$urlhelper->setfiles($_files);
    }
if(!empty($_cookie)) {
$urlhelper->setcookie($_cookie);
    }
$input = file_get_contents('php://input');
if (!empty($input) && empty($_post)) {
$urlhelper->setrawpostparam(urlencode($input));
    }
// dorequest 直接输出内容
$needdirectoutput = array(
'file/download',    // 文件下载
);
$controller = '';
$action = '';
//跟进请求的链接判断是否需要输出内容
if (in_array($controller.'/'.$action, $needdirectoutput)) {
$urlhelper->setdirectoutput(true);
    }
$result = $urlhelper->dorequest();
echo $result;die;
}
curldispatch();
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curl 代理访问 | shell date 日期转换
2017-05-10 19:54
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php curl 代理 -凯发k8国际

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