初始化
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liut
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<?php
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namespace app\common\model\driver;
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use Qcloud\Cos\Client;
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use Qcloud\Cos\Exception\ServiceResponseException;
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use think\Exception;
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use think\facade\Cache;
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class TxyunOss extends PolicyStore
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{
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public function uploadSimple(){
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$secretId = $this->policy['config']['secret_id'];
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$secretKey = $this->policy['config']['secret_key'];
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$region = $this->policy['config']['region'];
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$bucket = $this->policy['config']['bucket'];
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// 文件路径
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$file_path = $this->info['file']['data']->getInfo('tmp_name');
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$file = fopen($file_path, 'rb');
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// 存储路径
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$policy_save_dir = ltrim($this->policy['config']['save_dir'],'/');
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$object = getDiyDirSeparator('/',$policy_save_dir. $this->path['file'].$this->path['filename']);
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try {
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// COS对象
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$client = new Client([
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'region' => $region,
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'schema' => 'http',
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'credentials' => [
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'secretId' => $secretId,
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'secretKey' => $secretKey
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]
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]);
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if ($file) {
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// 上传文件
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$client->putObject([
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'Bucket' => $bucket,
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'Key' => $object,
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'Body' => $file
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]);
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// 返回文件存储地址
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return '/'. $object;
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}else{
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throw new Exception('上传文件路径错误');
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}
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}catch (ServiceResponseException $e){
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throw new Exception($e->getMessage());
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}catch (\Exception $e) {
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throw new Exception($e->getMessage());
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}
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}
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public function uploadPart()
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{
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// 配置信息
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$secretId = $this->policy['config']['secret_id'];
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$secretKey = $this->policy['config']['secret_key'];
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$region = $this->policy['config']['region'];
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$bucket = $this->policy['config']['bucket'];
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// 分片数据存储名称
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$chunks_saveKey = 'txyunoss_chunks_'.$this->info['uid'].'_'.$this->info['chunk']['key'];
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// 文件名称
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$temp_filename = 'chunks_'.md5($this->info['chunk']['key']).'_'.$this->getRandomKey(4) . '_part_'.$this->info['chunk']['chunk'].'.chunk';
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// 临时文件地址
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$temp_file = $this->path['temp_path'] . $temp_filename;
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// 保存临时文件
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$file_info = $this->info['file']['data']->move($this->path['temp_path'],$temp_filename);
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if(!$file_info){
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throw new Exception('分片创建错误：'.$this->info['file']['data']->getError());
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}
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// 分片存储列表
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$chunk_list = Cache::get($chunks_saveKey) ?? [];
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// 加入分片文件
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$chunk_list[] = $temp_file;
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// 保存分片临时存储列表
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Cache::set($chunks_saveKey,$chunk_list);
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// 分片上传成功
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if($this->info['chunk']['chunk'] == ($this->info['chunk']['chunks'] - 1)){
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// COS对象
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$client = new Client([
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'region' => $region,
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'schema' => 'http',
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'credentials' => [
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'secretId' => $secretId,
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'secretKey' => $secretKey
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]
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]);
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$save_file = $this->path['temp_path'] . 'cos_cob_'.substr(md5($this->info['chunk']['key']),0,8).'_t_'.time().'.bak';
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// 融合文件路径
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$fileObj = fopen($save_file,"a+");
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// 融合文件
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foreach ($chunk_list as $value) {
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$chunkObj = fopen($value, "rb");
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if(!($fileObj && $chunkObj)){
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throw new Exception('分片融合文件创建失败');
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}
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$content = fread($chunkObj, (2 * 1024 * 1024));
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fwrite($fileObj, $content, (2 * 1024 * 1024));
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unset($content);
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fclose($chunkObj);
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// 删除分片文件
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unlink($value);
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}
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// 清空分片临时存储列表
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Cache::rm($chunks_saveKey);
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try {
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$policy_save_dir = $this->policy['config']['save_dir'];
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$upload_object_path = getDiyDirSeparator('/',$policy_save_dir. $this->path['file'].$this->path['filename']);
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if ($fileObj) {
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// 上传文件
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$client->Upload($bucket,$upload_object_path,$fileObj);
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// 删除临时组合文件
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@unlink($save_file);
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return $upload_object_path;
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}else{
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throw new Exception('上传文件路径错误');
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}
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}catch (ServiceResponseException $e){
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throw new Exception($e->getMessage());
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}catch (\Exception $e) {
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throw new Exception($e->getMessage());
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}
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}
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return 'chunk_file';
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}
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protected function getRandomKey($length = 16){
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$charTable = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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$result = "";
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for ( $i = 0; $i < $length; $i++ ){
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$result .= $charTable[ mt_rand(0, strlen($charTable) - 1) ];
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}
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return $result;
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}
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public function download($stores, $speed, $policy)
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{
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$secretId = $policy['config']['secret_id'];
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$secretKey = $policy['config']['secret_key'];
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$region = $policy['config']['region'];
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$bucket = $policy['config']['bucket'];
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$object = ltrim($stores['file_name'],'/');
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// COS对象
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$client = new Client([
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'region' => $region,
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'schema' => 'http',
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'credentials' => [
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'secretId' => $secretId,
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'secretKey' => $secretKey
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]
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]);
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$disposition = 'attachment; filename='.$stores['origin_name'];
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$url = $client->getPresignedUrl('GetObject',[
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'Bucket' => $bucket,
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'Key' => $object
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],'+10 minutes')->__toString();
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$url .= 'response-content-disposition='.urlencode($disposition).'&';
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// 限速下载
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if($speed !== ""){
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// 下载速度
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$down_speed = round(intval($speed) * 8192);
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// 最小限速100kb/s
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if($down_speed < 819200){
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$down_speed = 819200;
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}
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$url .= 'x-cos-traffic-limit='.$down_speed;
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}
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// 跳转下载地址
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return redirect($url);
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}
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}
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