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238 lines
7.7 KiB
238 lines
7.7 KiB
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: Jay <yangweijiester@gmail.com> <http://code-tech.diandian.com>
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// +----------------------------------------------------------------------
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namespace Think\Upload\Driver;
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use Think\Upload\Driver\Bcs\BaiduBcs;
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class Bcs {
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/**
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* 上传文件根目录
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* @var string
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*/
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private $rootPath;
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const DEFAULT_URL = 'bcs.duapp.com';
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/**
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* 上传错误信息
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* @var string
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*/
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private $error = '';
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public $config = array(
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'AccessKey'=> '',
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'SecretKey'=> '', //百度云服务器
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'bucket' => '', //空间名称
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'rename' => false,
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'timeout' => 3600, //超时时间
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);
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public $bcs = null;
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/**
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* 构造函数，用于设置上传根路径
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* @param array $config FTP配置
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*/
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public function __construct($config){
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/* 默认FTP配置 */
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$this->config = array_merge($this->config, $config);
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$bcsClass = dirname(__FILE__). "/Bcs/bcs.class.php";
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if(is_file($bcsClass))
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require_once($bcsClass);
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$this->bcs = new BaiduBCS ( $this->config['AccessKey'], $this->config['SecretKey'], self:: DEFAULT_URL );
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}
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/**
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* 检测上传根目录(百度云上传时支持自动创建目录，直接返回)
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* @param string $rootpath 根目录
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* @return boolean true-检测通过，false-检测失败
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*/
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public function checkRootPath($rootpath){
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/* 设置根目录 */
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$this->rootPath = str_replace('./', '/', $rootpath);
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return true;
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}
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/**
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* 检测上传目录(百度云上传时支持自动创建目录，直接返回)
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* @param string $savepath 上传目录
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* @return boolean 检测结果，true-通过，false-失败
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*/
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public function checkSavePath($savepath){
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return true;
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}
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/**
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* 创建文件夹 (百度云上传时支持自动创建目录，直接返回)
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* @param string $savepath 目录名称
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* @return boolean true-创建成功，false-创建失败
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*/
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public function mkdir($savepath){
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return true;
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}
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/**
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* 保存指定文件
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* @param array $file 保存的文件信息
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* @param boolean $replace 同名文件是否覆盖
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* @return boolean 保存状态，true-成功，false-失败
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*/
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public function save(&$file,$replace=true) {
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$opt = array ();
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$opt ['acl'] = BaiduBCS::BCS_SDK_ACL_TYPE_PUBLIC_WRITE;
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$opt ['curlopts'] = array (
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CURLOPT_CONNECTTIMEOUT => 10,
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CURLOPT_TIMEOUT => 1800
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);
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$object = "/{$file['savepath']}{$file['savename']}";
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$response = $this->bcs->create_object ( $this->config['bucket'], $object, $file['tmp_name'], $opt );
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$url = $this->download($object);
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$file['url'] = $url;
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return $response->isOK() ? true : false;
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}
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public function download($file){
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$file = str_replace('./', '/', $file);
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$opt = array();
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$opt['time'] = mktime('2049-12-31'); //这是最长有效时间!--
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$response = $this->bcs->generate_get_object_url ( $this->config['bucket'], $file, $opt );
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return $response;
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}
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/**
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* 获取最后一次上传错误信息
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* @return string 错误信息
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*/
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public function getError(){
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return $this->error;
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}
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/**
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* 请求百度云服务器
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* @param string $path 请求的PATH
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* @param string $method 请求方法
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* @param array $headers 请求header
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* @param resource $body 上传文件资源
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* @return boolean
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*/
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private function request($path, $method, $headers = null, $body = null){
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$ch = curl_init($path);
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$_headers = array('Expect:');
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if (!is_null($headers) && is_array($headers)){
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foreach($headers as $k => $v) {
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array_push($_headers, "{$k}: {$v}");
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}
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}
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$length = 0;
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$date = gmdate('D, d M Y H:i:s \G\M\T');
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if (!is_null($body)) {
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if(is_resource($body)){
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fseek($body, 0, SEEK_END);
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$length = ftell($body);
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fseek($body, 0);
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array_push($_headers, "Content-Length: {$length}");
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curl_setopt($ch, CURLOPT_INFILE, $body);
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curl_setopt($ch, CURLOPT_INFILESIZE, $length);
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} else {
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$length = @strlen($body);
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array_push($_headers, "Content-Length: {$length}");
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curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
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}
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} else {
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array_push($_headers, "Content-Length: {$length}");
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}
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// array_push($_headers, 'Authorization: ' . $this->sign($method, $uri, $date, $length));
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array_push($_headers, "Date: {$date}");
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curl_setopt($ch, CURLOPT_HTTPHEADER, $_headers);
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curl_setopt($ch, CURLOPT_TIMEOUT, $this->config['timeout']);
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curl_setopt($ch, CURLOPT_HEADER, 1);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
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curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
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if ($method == 'PUT' || $method == 'POST') {
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curl_setopt($ch, CURLOPT_POST, 1);
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} else {
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curl_setopt($ch, CURLOPT_POST, 0);
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}
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if ($method == 'HEAD') {
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curl_setopt($ch, CURLOPT_NOBODY, true);
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}
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$response = curl_exec($ch);
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$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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list($header, $body) = explode("\r\n\r\n", $response, 2);
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if ($status == 200) {
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if ($method == 'GET') {
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return $body;
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} else {
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$data = $this->response($header);
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return count($data) > 0 ? $data : true;
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}
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} else {
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$this->error($header);
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return false;
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}
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}
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/**
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* 获取响应数据
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* @param string $text 响应头字符串
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* @return array 响应数据列表
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*/
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private function response($text){
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$items = json_decode($text, true);
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return $items;
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}
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/**
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* 生成请求签名
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* @return string 请求签名
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*/
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private function sign($method, $Bucket, $object='/', $size=''){
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if(!$size)
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$size = $this->config['size'];
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$param = array(
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'ak'=>$this->config['AccessKey'],
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'sk'=>$this->config['SecretKey'],
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'size'=>$size,
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'bucket'=>$Bucket,
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'host'=>self :: DEFAULT_URL,
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'date'=>time()+$this->config['timeout'],
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'ip'=>'',
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'object'=>$object
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);
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$response = $this->request($this->apiurl.'?'.http_build_query($param), 'POST');
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if($response)
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$response = json_decode($response, true);
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return $response['content'][$method];
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}
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/**
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* 获取请求错误信息
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* @param string $header 请求返回头信息
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*/
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private function error($header) {
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list($status, $stash) = explode("\r\n", $header, 2);
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list($v, $code, $message) = explode(" ", $status, 3);
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$message = is_null($message) ? 'File Not Found' : "[{$status}]:{$message}";
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$this->error = $message;
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}
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}
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