初始化

2021-10-12 11:06:24 +08:00
commit ff0b4d5b12
1270 changed files with 405680 additions and 0 deletions
@@ -0,0 +1,125 @@
+<?php
+
+namespace app\common\model\driver;
+
+use think\Exception;
+use think\facade\Cache;
+
+class Local extends PolicyStore
+{
+
+    public function uploadSimple()
+    {
+        // 保存文件
+        $file_info = $this->info['file']['data']->move($this->path['path'],$this->path['name']);
+
+        if(!$file_info){
+            throw new Exception($this->info['file']['data']->getError());
+        }
+
+        $policy_save_dir = $this->policy['config']['save_dir'];
+
+        return getDiyDirSeparator('/',$policy_save_dir. $this->path['file'].$this->path['filename']);
+    }
+
+    public function uploadPart()
+    {
+        // 分片数据存储名称
+        $chunks_saveKey = 'chunks_'.$this->info['uid'].'_'.$this->info['chunk']['key'];
+
+        // 文件名称
+        $temp_filename = 'chunks_'.md5($this->info['chunk']['key']).'_'.$this->getRandomKey(4) . '_part_'.$this->info['chunk']['chunk'].'.chunk';
+        // 临时文件地址
+        $temp_file = $this->path['temp_path'] . $temp_filename;
+
+        // 保存临时文件
+        $file_info = $this->info['file']['data']->move($this->path['temp_path'],$temp_filename);
+
+        if(!$file_info){
+            throw new Exception('分片创建错误：'.$this->info['file']['data']->getError());
+        }
+
+        // 分片存储列表
+        $chunk_list = Cache::get($chunks_saveKey) ?? [];
+
+        // 加入分片文件
+        $chunk_list[] = $temp_file;
+
+        // 保存分片临时存储列表
+        Cache::set($chunks_saveKey,$chunk_list);
+
+        // 分片上传成功
+        if($this->info['chunk']['chunk'] == ($this->info['chunk']['chunks'] - 1)){
+
+            $save_file = $this->path['path'] . $this->path['filename'];
+
+            // 融合文件路径
+            $fileObj = fopen($save_file,"a+");
+
+            // 融合文件
+            foreach ($chunk_list as $value) {
+                $chunkObj = fopen($value, "rb");
+
+                if(!($fileObj && $chunkObj)){
+                    throw new Exception('分片融合文件创建失败');
+                }
+
+                $content = fread($chunkObj, (2 * 1024 * 1024));
+                fwrite($fileObj, $content, (2 * 1024 * 1024));
+                unset($content);
+                fclose($chunkObj);
+                // 删除分片文件
+                unlink($value);
+            }
+
+            // 清空分片临时存储列表
+            Cache::rm($chunks_saveKey);
+
+            $policy_save_dir = $this->policy['config']['save_dir'];
+
+            return getDiyDirSeparator('/',$policy_save_dir. $this->path['file'] . $this->path['filename']);
+        }
+
+        return 'chunk_file';
+
+    }
+
+    protected function getRandomKey($length = 16){
+        $charTable = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+        $result = "";
+        for ( $i = 0; $i < $length; $i++ ){
+            $result .= $charTable[ mt_rand(0, strlen($charTable) - 1) ];
+        }
+        return $result;
+    }
+
+    public function download($stores,$speed,$policy)
+    {
+        //存储文件地址
+        $_file = getSafeDirSeparator(env('root_path').'public'.$stores['file_name']);
+
+        // 文件不存在
+        if(!is_file($_file)){
+            throw new Exception('文件不存在，可能已被删除');
+        }
+
+        $_file_path = $stores['file_name'];
+
+        $_file_limit_size = round(intval($speed) * 1024);
+
+        // 启用 nginx X-Accel 下载
+        header('Content-Type: application/octet-stream');
+        $encoded_fname = rawurlencode($stores['origin_name']);
+        header('Content-Disposition: attachment;filename="'.$encoded_fname.'";filename*=utf-8'."''".$encoded_fname);
+
+        header('X-Accel-Redirect: '. $_file_path);
+        header('X-Accel-Buffering: yes');
+
+        // 不限速下载
+        if($speed !== ""){
+            header('X-Accel-Limit-Rate:'.$_file_limit_size);
+        }
+
+    }
+
+}