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322 lines
9.7 KiB
322 lines
9.7 KiB
<?php
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namespace app\index\model;
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use think\Model;
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use think\Db;
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use \think\Session;
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use \app\index\model\FileManage;
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use \app\index\model\Option;
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use \app\index\model\User;
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class ShareHandler extends Model{
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public $shareData;
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public $querryStatus = true;
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public $shareOwner;
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public $fileData;
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public $dirData;
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public $lockStatus = false;
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public function __construct($key,$notExist=true){
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$this->shareData = Db::name('shares')->where('share_key',$key)->find();
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if(empty($this->shareData)){
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$this->querryStatus = false;
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}else{
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if($notExist){
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if($this->shareData["source_type"] == "file"){
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$this->fileShareHandler();
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}else{
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$this->dirShareHandler();
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}
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}
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}
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if($this->shareData["type"] == "private"){
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$this->lockStatus = Session::has("share".$this->shareData["id"])?false:true;
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}
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}
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public function deleteShare($uid){
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if($this->shareData["owner"] != $uid){
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return array(
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"error" => 1,
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"msg" => "无权操作"
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);
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}
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Db::name('shares')->where('share_key',$this->shareData["share_key"])->delete();
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return array(
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"error" => 0,
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"msg" => "分享取消成功"
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);
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}
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public function changePromission($uid,$ignore=false){
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if($this->shareData["owner"] != $uid && $ignore == false){
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return array(
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"error" => 1,
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"msg" => "无权操作"
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);
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}
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Db::name('shares')->where('share_key',$this->shareData["share_key"])->update([
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'type' => $this->shareData["type"] == "public"?"private":"public",
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'share_pwd' => self::getRandomKey(6)
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]);
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return array(
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"error" =>0,
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"msg" => "更改成功"
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);
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}
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public function checkPwd($pwd){
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if($pwd == $this->shareData["share_pwd"]){
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Session::set("share".$this->shareData["id"],"1");
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return array(
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"error" =>0,
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);
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}else{
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return array(
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"error" =>1,
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"msg" => "密码错误"
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);
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}
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}
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public function getThumb($user,$path,$folder=false){
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$checkStatus = $this->checkSession($user);
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if(!$checkStatus[0]){
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return [$checkStatus[0],$checkStatus[1]];
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}
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$reqPath = Db::name('folders')->where('position_absolute',$this->shareData["source_name"])->find();
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if($folder){
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$fileObj = new FileManage($path,$this->shareData["owner"]);
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}else{
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$fileObj = new FileManage($reqPath["position_absolute"].$path,$this->shareData["owner"]);
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}
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return $fileObj->getThumb();
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}
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public function checkSession($user){
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if($this->lockStatus){
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return [false,"会话过期，请刷新页面"];
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}
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if(Option::getValue("allowdVisitorDownload") == "false" && !$user->loginStatus){
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return [false,"未登录用户禁止下载，请先登录"];
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}
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if(!$this->querryStatus){
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return [false,"分享不存在，请检查链接是否正确"];
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}
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return[true,null];
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}
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public function Download($user){
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$checkStatus = $this->checkSession($user);
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if(!$checkStatus[0]){
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return [$checkStatus[0],$checkStatus[1]];
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}
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$reqPath = Db::name('files')->where('id',$this->shareData["source_name"])->find();
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if($reqPath["dir"] == "/"){
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$reqPath["dir"] = $reqPath["dir"].$reqPath["orign_name"];
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}else{
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$reqPath["dir"] = $reqPath["dir"]."/".$reqPath["orign_name"];
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}
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$fileObj = new FileManage($reqPath["dir"],$this->shareData["owner"]);
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$FileHandler = $fileObj->Download();
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return $FileHandler;
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}
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public function DownloadFolder($user,$path){
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$checkStatus = $this->checkSession($user);
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if(!$checkStatus[0]){
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return [$checkStatus[0],$checkStatus[1]];
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}
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$reqPath = Db::name('folders')->where('position_absolute',$this->shareData["source_name"])->find();
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$path = $path == "/"?"":$path;
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$fileObj = new FileManage($reqPath["position_absolute"].$path,$this->shareData["owner"]);
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$this->numIncrease("download_num");
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$FileHandler = $fileObj->Download();
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return $FileHandler;
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}
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public function ListFile($path){
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if($this->lockStatus){
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die('{ "result": { "success": false, "error": "会话过期，请重新登陆" } }');
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}
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if(!$this->querryStatus){
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return [false,"分享不存在，请检查链接是否正确"];
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}
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$reqPath = Db::name('folders')->where('position_absolute',$this->shareData["source_name"])->find();
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$path = $path == "/"?"":$path;
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return FileManage::ListFile($this->shareData["source_name"].$path,$this->shareData["owner"]);
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}
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public function Preview($user){
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$checkStatus = $this->checkSession($user);
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if(!$checkStatus[0]){
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return [$checkStatus[0],$checkStatus[1]];
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}
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$reqPath = Db::name('files')->where('id',$this->shareData["source_name"])->find();
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if($reqPath["dir"] == "/"){
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$reqPath["dir"] = $reqPath["dir"].$reqPath["orign_name"];
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}else{
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$reqPath["dir"] = $reqPath["dir"]."/".$reqPath["orign_name"];
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}
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$fileObj = new FileManage($reqPath["dir"],$this->shareData["owner"]);
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return $fileObj->PreviewHandler();
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}
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public function PreviewFolder($user,$path,$folder=false){
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$checkStatus = $this->checkSession($user);
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if(!$checkStatus[0]){
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return [$checkStatus[0],$checkStatus[1]];
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}
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$reqPath = Db::name('folders')->where('position_absolute',$this->shareData["source_name"])->find();
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if($folder){
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$fileObj = new FileManage($path,$this->shareData["owner"]);
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}else{
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$fileObj = new FileManage($reqPath["position_absolute"].$path,$this->shareData["owner"]);
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}
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return $fileObj->PreviewHandler();
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}
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public function listPic($id,$path){
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if($this->lockStatus){
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die('{ "result": { "success": false, "error": "会话过期，请重新登陆" } }');
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}
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if(!$this->querryStatus){
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return [false,"分享不存在，请检查链接是否正确"];
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}
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$reqPath = Db::name('folders')->where('position_absolute',$this->shareData["source_name"])->find();
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$path = $path == "/"?"":$path;
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return FileManage::listPic($this->shareData["source_name"].$path,$this->shareData["owner"],"/Share/Preview/".$this->shareData["share_key"]."?folder=true");
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}
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public function numIncrease($name){
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Db::name('shares')->where('share_key',$this->shareData["share_key"])->setInc($name);
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}
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public function getDownloadUrl($user){
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if(Option::getValue("allowdVisitorDownload") == "false" && !$user->loginStatus){
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return array(
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"error" => 1,
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"msg" => "未登录用户禁止下载，请先登录",
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);
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}else{
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$this->numIncrease("download_num");
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return array(
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"error" => 0,
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"result" => "/Share/Download/".$this->shareData["share_key"],
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);
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}
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}
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public function fileShareHandler(){
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$this->shareOwner = new User($this->shareData["owner"],null,true);
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$this->fileData = Db::name('files')
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->where('upload_user',$this->shareData["owner"])
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->where('id',(int)$this->shareData["source_name"])
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->find();
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if(!$this->shareOwner->loginStatus || empty($this->fileData)){
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$this->querryStatus = false;
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}else{
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$this->querryStatus = true;
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}
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}
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public function dirShareHandler(){
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$this->shareOwner = new User($this->shareData["owner"],null,true);
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$this->dirData = Db::name('folders')
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->where('owner',$this->shareData["owner"])
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->where('position_absolute',$this->shareData["source_name"])
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->find();
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if(!$this->shareOwner->loginStatus || empty($this->dirData)){
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$this->querryStatus = false;
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}else{
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$this->querryStatus = true;
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}
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}
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static function createShare($fname,$type,$user,$group){
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if(!$group["allow_share"]){
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self::setError("您当前的用户组无权分享文件");
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}
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$path = FileManage::getFileName($fname)[1];
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$fnameTmp = FileManage::getFileName($fname)[0];
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$fileRecord = Db::name('files')->where('upload_user',$user["id"])->where('orign_name',$fnameTmp)->where('dir',$path)->find();
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if(empty($fileRecord)){
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self::createDirShare($fname,$type,$user,$group);
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}else{
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self::createFileShare($fileRecord,$type,$user,$group);
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}
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}
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static function setError($text){
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die('{ "result": { "success": false, "error": "'.$text.'" } }');
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}
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static function setSuccess($text){
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die('{ "result": "'.$text.'" }');
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}
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static function createDirShare($fname,$type,$user,$group){
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$dirRecord = Db::name('folders')->where('owner',$user["id"])->where('position_absolute',$fname)->find();
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if(empty($dirRecord)){
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self::setError("目录不存在");
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}
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$shareKey = self::getRandomKey(8);
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$sharePwd = $type=="public" ? "0" : self::getRandomKey(6);
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$SQLData = [
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'type' => $type=="public" ? "public" : "private",
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'share_time' => date("Y-m-d H:i:s"),
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'owner' => $user["id"],
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'source_name' => $fname,
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'origin_name' => $fname,
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'download_num' => 0,
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'view_num' => 0,
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'source_type' => "dir",
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'share_key' => $shareKey,
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'share_pwd' => $sharePwd,
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];
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if(Db::name('shares')->insert($SQLData)){
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if($sharePwd == "0"){
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self::setSuccess(Option::getValue("siteURL")."s/".$shareKey);
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}else{
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self::setSuccess("链接：".Option::getValue("siteURL")."s/".$shareKey." 密码：".$sharePwd);
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}
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}
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}
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static function createFileShare($file,$type,$user,$group){
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$shareKey = self::getRandomKey(8);
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$sharePwd = $type=="public" ? "0" : self::getRandomKey(6);
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$SQLData = [
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'type' => $type=="public" ? "public" : "private",
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'share_time' => date("Y-m-d H:i:s"),
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'owner' => $user["id"],
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'source_name' => $file["id"],
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'origin_name' => $file["orign_name"],
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'download_num' => 0,
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'view_num' => 0,
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'source_type' => "file",
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'share_key' => $shareKey,
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'share_pwd' => $sharePwd,
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];
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if(Db::name('shares')->insert($SQLData)){
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if($sharePwd == "0"){
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self::setSuccess(Option::getValue("siteURL")."s/".$shareKey);
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}else{
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self::setSuccess("链接：".Option::getValue("siteURL")."s/".$shareKey." 密码：".$sharePwd);
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}
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}
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}
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static function getRandomKey($length = 16){
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$charTable = 'abcdefghijklmnopqrstuvwxyz0123456789';
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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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}
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?>
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