public async Task <IActionResult> UpImage([FromForm] UploadModel model)
{
if (!ModelState.IsValid)
{
ApiData.code = 1005;
ApiData.msg = ModelState.GetErrMsg();
return(Ok(ApiData));
}
if (Request.Form.Files == null || Request.Form.Files.Count == 0 || !Request.Form.Files[0].IsImage())
{
ApiData.code = 1006;
ApiData.msg = "请上传图片文件";
return(Ok(ApiData));
}
var bucket = _bucketService.GetBucketBayName(model.bucket);
if (bucket == null)
{
ApiData.code = 2001;
ApiData.msg = "bucket错误";
return(Ok(ApiData));
}
IFormFile file = Request.Form.Files[0];
string sha1 = file.GetSHA1();
var item = _bucketImageService.GetSHA1(sha1);
if (item != null)
{
ApiData.code = 0;
ApiData.msg = "上传成功";
ApiData.data = new { url = $"/oss/imagecn{item.visiturl}" };
return(Ok(ApiData));
}
if (!ValidSignature(model.signature, file.GetMD5(), model.VERB))
{
ApiData.code = 1005;
ApiData.msg = "签名验证失败";
return(Ok(ApiData));
}
uint crc32 = Crc32Algorithm.Compute(EncryptorHelper.GetMD5Byte(Guid.NewGuid().ToString()));
var dir = Math.Abs(crc32) % 256;//256个子目录
string f_dir = Math.Abs(crc32).ToString();
string path = System.IO.Path.Combine(MediaItemConfig.RootDir, bucket.name, dir.ToString(), f_dir);
//保存文件并且获取文件的相对存储路径
var image = file.CreateImagePathFromStream(_mediaItemStorage, path);
string visiturl = $"/oss/imagecn/{bucket.name}/{dir}/{f_dir}/{image.NewFileName}";
_bucketImageService.AddImage(new Entities.bucket_image()
{
id = CombGuid.NewGuidAsString(),
bucket_id = bucket.id,
creation_time = DateTime.Now,
ext_name = image.ExtName,
sha1 = sha1,
visiturl = visiturl,
io_path = image.IOPath,
width = image.Width,
height = image.Height,
length = file.Length
});
ApiData.code = 0;
ApiData.msg = "上传成功";
ApiData.data = new { url = visiturl };
await Task.FromResult(0);
return(Ok(ApiData));
}