You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

238 lines
7.7 KiB

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