250 lines
8.8 KiB
PHP
250 lines
8.8 KiB
PHP
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<?php
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namespace common\services;
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use common\helpers\FuncHelper;
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use GuzzleHttp\Client;
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use OSS\Core\OssException;
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use OSS\OssClient;
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use yii\base\Exception;
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use yii\web\UploadedFile;
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use Yii;
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class UploadService{
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protected $docExt = ['txt', 'doc', 'docx', 'ppt', 'pptx', 'xls', 'xlsx', 'csv', 'pdf', 'md'];
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protected $imageExt = ['jpg', 'jpeg', 'png', 'gif', 'bmp', 'webp',];
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protected $videoExt = ['mp4', 'ogg', 'm4a',];
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protected static $guzzleOptions = ['http_errors' => false];
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public function __construct()
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{
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$this->storage = \Yii::$app->params['upload'];
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}
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/**
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* Get a fresh instance of the Guzzle HTTP client.
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*
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* @return \GuzzleHttp\Client
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*/
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protected function getHttpClient()
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{
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return new Client(self::$guzzleOptions);
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}
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public function index($name)
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{
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$file = UploadedFile::getInstanceByName($name);
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$this->file = $file;
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$this->validateSize();
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$this->saveFileFolder = '/uploads/' . date('Ymd');
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$this->saveFileName = md5_file($this->file->tempName) . '.' . $this->file->getExtension();
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switch($this->storage['type']){
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case 'alioss':
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$this->saveToAliOss();
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break;
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default:
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$this->saveToLocal();
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break;
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}
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return $this->url;
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}
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public function validateSize()
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{
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$supportExt = array_merge($this->docExt, $this->imageExt, $this->videoExt);
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if (!in_array($this->file->extension, $supportExt)) {
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throw new Exception('不支持的文件类型: ' . $this->file->extension);
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}
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if (in_array($this->file->extension, $this->imageExt)) {
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if ($this->storage['image_limit'] && $this->file->size > $this->storage['image_limit'] * 1024 * 1024) {
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throw new Exception('图片大小超出限制,当前大小为: '
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. (round($this->file->size / 1024 / 1024, 4)) . 'MB,最大限制为:'
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. $this->storage['image_limit'] . 'MB');
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}
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}
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if (in_array($this->file->extension, $this->videoExt)) {
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if ($this->storage['video_limit'] && $this->file->size > $this->storage['video_limit'] * 1024 * 1024) {
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throw new Exception('视频大小超出限制,当前大小为: '
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. (round($this->file->size / 1024 / 1024, 4)) . 'MB,最大限制为:'
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. $this->storage['video_limit'] . 'MB');
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}
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}
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}
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private function saveToLocal()
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{
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$saveFile = $this->storage['path'] . $this->saveFileFolder . '/' . $this->saveFileName;
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$dir = dirname($saveFile);
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FuncHelper::make_dir($dir);
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if(move_uploaded_file($this->file->tempName,$saveFile)){
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$this->url = $this->storage['url'] . $this->saveFileFolder . '/' . $this->saveFileName;
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}else{
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throw new Exception('上传图片失败');
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}
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}
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public function saveToAliOss()
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{
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try {
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$config = $this->storage['alioss'];
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$isCName = (!empty($config['is_cname']) && $config['is_cname'] == 1) ? true : false;
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$client = new OssClient($config['access_key'], $config['secret_key'], $config['domain'], $isCName);
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$object = trim($this->saveFileFolder . '/' . $this->saveFileName, '/');
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$client->uploadFile($config['bucket'], $object, $this->file->tempName);
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if (!$isCName) {
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$endpointNameStart = mb_stripos($config['domain'], '://') + 3;
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$urlPrefix = mb_substr($config['domain'], 0, $endpointNameStart)
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. $config['bucket']
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. '.'
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. mb_substr($config['domain'], $endpointNameStart);
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} else {
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$urlPrefix = $config['domain'];
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}
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$this->url = $urlPrefix . $this->saveFileFolder . '/' . $this->saveFileName;
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} catch (OssException $e) {
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throw new Exception($e->getMessage());
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}
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}
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public function saveFile($file_path)
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{
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$this->saveFileFolder = '/uploads/' . date('Ymd');
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$this->saveFileName = md5_file($file_path) . '.' . strtolower(pathinfo($file_path, PATHINFO_EXTENSION));
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try {
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$config = $this->storage['alioss'];
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$isCName = (!empty($config['is_cname']) && $config['is_cname'] == 1) ? true : false;
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$client = new OssClient($config['access_key'], $config['secret_key'], $config['domain'], $isCName);
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$object = trim($this->saveFileFolder . '/' . $this->saveFileName, '/');
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$client->uploadFile($config['bucket'], $object,$file_path);
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if (!$isCName) {
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$endpointNameStart = mb_stripos($config['domain'], '://') + 3;
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$urlPrefix = mb_substr($config['domain'], 0, $endpointNameStart)
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. $config['bucket']
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. '.'
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. mb_substr($config['domain'], $endpointNameStart);
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} else {
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$urlPrefix = $config['domain'];
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}
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$this->url = $urlPrefix . $this->saveFileFolder . '/' . $this->saveFileName;
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unlink($file_path);
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return $this->url;
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} catch (OssException $e) {
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unlink($file_path);
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throw new Exception($e->getMessage());
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}
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}
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/**
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* 阿里云直传
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*/
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public function redirectFile($data)
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{
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$config = $this->storage['alioss'];
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$callbackUrl = $data['callbackUrl'];
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$dir = $data['dir'];
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$key = $config['secret_key'];
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$id = $config['access_key'];
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$host = $config['domain'];
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$callback_param = array(
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'callbackUrl' => $callbackUrl,
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'callbackBody' => 'filename=${object}&size=${size}&mimeType=${mimeType}&height=${imageInfo.height}&width=${imageInfo.width}',
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'callbackBodyType' => "application/x-www-form-urlencoded"
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);
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$callback_string = json_encode($callback_param);
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$base64_callback_body = base64_encode($callback_string);
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$now = time();
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$expire = 30; //设置该policy超时时间是10s. 即这个policy过了这个有效时间，将不能访问。
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$end = $now + $expire;
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$expiration = $this->gmt_iso8601($end);
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//最大文件大小.用户可以自己设置
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// $condition = array(0 => 'content-length-range', 1 => 0, 2 => 1048576000);
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// $conditions[] = $condition;
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// 表示用户上传的数据，必须是以$dir开始，不然上传会失败，这一步不是必须项，只是为了安全起见，防止用户通过policy上传到别人的目录。
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$start = array(0 => 'starts-with', 1 => '$key', 2 => $dir);
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$conditions[] = $start;
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$arr = array('expiration' => $expiration, 'conditions' => $conditions);
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$policy = json_encode($arr);
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$base64_policy = base64_encode($policy);
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$string_to_sign = $base64_policy;
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$signature = base64_encode(hash_hmac('sha1', $string_to_sign, $key, true));
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$response = array();
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$response['accessid'] = $id;
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$response['host'] = $host;
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$response['policy'] = $base64_policy;
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$response['signature'] = $signature;
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$response['expire'] = $end;
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$response['callback'] = $base64_callback_body;
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$response['dir'] = $dir; // 这个参数是设置用户上传文件时指定的前缀。
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$response['savename'] = md5(time().mt_rand(100,999));
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return $response;
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}
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public function gmt_iso8601($time)
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{
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return str_replace('+00:00', '.000Z', gmdate('c', $time));
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}
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/**
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* 获取直传回调公钥
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*/
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public function getPublicKey($pubKeyUrlBase64)
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{
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try {
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$pubKeyUrl = base64_decode($pubKeyUrlBase64);
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$response = $this->getHttpClient()->get($pubKeyUrl);
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$body = $response->getBody();
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$buffer = $body->getContents();
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return $buffer;
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}catch (\Exception $exception){
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return "";
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}
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}
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/**
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* 处理下返回,域名前缀
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*/
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public function getBody($body)
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{
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$config = $this->storage['alioss'];
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parse_str($body,$body_arr);
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$isCName = (!empty($config['is_cname']) && $config['is_cname'] == 1) ? true : false;
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if (!$isCName) {
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$endpointNameStart = mb_stripos($config['domain'], '://') + 3;
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$urlPrefix = mb_substr($config['domain'], 0, $endpointNameStart)
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. $config['bucket']
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. '.'
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. mb_substr($config['domain'], $endpointNameStart);
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} else {
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$urlPrefix = $config['domain'];
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}
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$body_arr['filename'] = $urlPrefix . '/' . $body_arr['filename'];
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return $body_arr;
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}
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}
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