Qiniu remotely captures video, voice or pictures

<?php
/* 
 * 
 * @desc URL安全形式的base64编码 
 * @param string $str 
 * @return string 
 */


function urlsafe_base64_encode($str){ 
  $find = array("+","/"); 
  $replace = array("-", "_"); 
  return str_replace($find, $replace, base64_encode($str)); 
} 

/** 
 * generate_access_token 
 * 
 * @desc 签名运算 
 * @param string $access_key 
 * @param string $secret_key 
 * @param string $url 
 * @param array $params 
 * @return string 
 */
function generate_access_token($access_key, $secret_key, $url, $params = ''){ 
  $parsed_url = parse_url($url); 
  $path = $parsed_url['path']; 
  $access = $path; 
  if (isset($parsed_url['query'])) { 
    $access .= "?" . $parsed_url['query']; 
  } 
  $access .= "\n"; 
  if($params){ 
    if (is_array($params)){ 
      $params = http_build_query($params); 
    } 
    $access .= $params; 
  } 
  $digest = hash_hmac('sha1', $access, $secret_key, true); 
  return $access_key.':'.urlsafe_base64_encode($digest); 
} 

/** 
 * 测试 
 */

$access_key = '你的access_key'; 
$secret_key = '你的secret_key'; 

$fetch = urlsafe_base64_encode('图片地址'); 
$to = urlsafe_base64_encode('空间名:图片或别的东西的名称-要带后缀'); //格式为 news2v:123.jpg

$url = 'http://iovip.qbox.me/fetch/'. $fetch .'/to/' . $to; 

$access_token = generate_access_token($access_key, $secret_key, $url); 

$header[] = 'Content-Type: application/json'; 
$header[] = 'Authorization: QBox '. $access_token; 


$con = send('iovip.qbox.me/fetch/'.$fetch.'/to/'.$to, $header); 
echo $access_token.'<br>';
var_dump($con); 

function send($url, $header = '') { 
  $curl = curl_init($url); 
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); 
  curl_setopt($curl, CURLOPT_HEADER,1); 
  curl_setopt($curl, CURLOPT_HTTPHEADER, $header); 
  curl_setopt($curl, CURLOPT_POST, 1); 

  $con = curl_exec($curl); 

  if ($con === false) { 
    echo 'CURL ERROR: ' . curl_error($curl); 
  } else { 
    return $con; 
  } 
} 
?>