aaa

gistfile1.js

var s3 = new AWS.S3();
      var _now = new Date();
      var sArray = req.files.file.name.split(/(.jpg|.gif|.png|.jpeg)/);
      var _re = crypto.createHash('md5').update(sArray[0]+_now).digest("hex");
      _re = _re+sArray[1];
      fs.readFile('/'+req.files.file.path, function (_err, data) {
          var params = {Bucket: 'limitstyle',Key:_re,Body:data,ACL: 'public-read'};
          s3.putObject(params, function (err, data) {
            if (err) {
            } else {
              gm('/'+req.files.file.path).size(function(err,size){
                if(!err){
                  fs.unlink('/'+req.files.file.path, function() {
                    if (err) throw err;
                    if(size.width == 974 && size.height ==400 ){
                      res.send({n:_re,width:size.width,height:size.height});
                    }else{
                      var params = {Bucket: 'limitstyle',Key:_re};
                      s3.deleteObject(params,function(err,data){
                      });
                      res.send({n:'error'});
                    }
                  });
                }
              });
            }
          });
      });