public async Task <MediaObjectInfo> NewMediaObjectAsync(string blogid, string username, string password, MediaObject mediaObject)
{
EnsureUser(username, password);
try
{
// TODO: Check extension names
var bits = Convert.FromBase64String(mediaObject.bits);
var pFilename = _fileNameGenerator.GetFileName(mediaObject.name);
var filename = await _blogImageStorage.InsertAsync(pFilename, bits);
var imageUrl = $"{Helper.ResolveRootUrl(null, _blogConfig.GeneralSettings.CanonicalPrefix, true)}image/{filename}";
MediaObjectInfo objectInfo = new MediaObjectInfo {
url = imageUrl
};
return(objectInfo);
}
catch (Exception e)
{
_logger.LogError(e, e.Message);
throw new MetaWeblogException(e.Message);
}
}
public Task <MediaObjectInfo> NewMediaObjectAsync(string blogid, string username, string password, MediaObject mediaObject)
{
EnsureUser(username, password);
return(TryExecuteAsync(async() =>
{
// TODO: Check extension names
var bits = Convert.FromBase64String(mediaObject.bits);
var pFilename = _fileNameGenerator.GetFileName(mediaObject.name);
var filename = await _blogImageStorage.InsertAsync(pFilename, bits);
var imageUrl = $"{Helper.ResolveRootUrl(null, _blogConfig.GeneralSettings.CanonicalPrefix, true)}image/{filename}";
var objectInfo = new MediaObjectInfo {
url = imageUrl
};
return objectInfo;
}));
}
public async Task <IActionResult> UploadImageAsync(IFormFile file, [FromServices] IFileNameGenerator fileNameGenerator)
{
try
{
if (null == file)
{
Logger.LogError("file is null.");
return(BadRequest());
}
if (file.Length <= 0)
{
return(BadRequest());
}
var name = Path.GetFileName(file.FileName);
if (name == null)
{
return(BadRequest());
}
var ext = Path.GetExtension(name).ToLower();
var allowedImageFormats = new[] { ".png", ".jpg", ".jpeg", ".bmp", ".gif" };
if (!allowedImageFormats.Contains(ext))
{
Logger.LogError($"Invalid file extension: {ext}");
return(BadRequest());
}
var primaryFileName = fileNameGenerator.GetFileName(name);
var secondaryFieName = fileNameGenerator.GetFileName(name, "origin");
await using var stream = new MemoryStream();
await file.CopyToAsync(stream);
// Add watermark
MemoryStream watermarkedStream = null;
if (_blogConfig.WatermarkSettings.IsEnabled && ext != ".gif")
{
using var watermarker = new ImageWatermarker(stream, ext)
{
SkipWatermarkForSmallImages = true,
SmallImagePixelsThreshold = Constants.SmallImagePixelsThreshold
};
Logger.LogInformation($"Adding watermark onto image '{primaryFileName}'");
watermarkedStream = watermarker.AddWatermark(
_blogConfig.WatermarkSettings.WatermarkText,
Color.FromArgb(128, 128, 128, 128),
WatermarkPosition.BottomRight,
15,
_blogConfig.WatermarkSettings.FontSize);
}
var response = await _imageStorage.InsertAsync(primaryFileName,
watermarkedStream != null?
watermarkedStream.ToArray() :
stream.ToArray());
if (_blogConfig.WatermarkSettings.KeepOriginImage)
{
var arr = stream.ToArray();
_ = Task.Run(async() => await _imageStorage.InsertAsync(secondaryFieName, arr));
}
Logger.LogInformation($"Image '{primaryFileName}' uloaded.");
if (response.IsSuccess)
{
return(Json(new
{
location = $"/uploads/{response.Item}",
filename = response.Item
}));
}
Logger.LogError(response.Message);
return(ServerError());
}
catch (Exception e)
{
Logger.LogError(e, "Error uploading image.");
return(ServerError());
}
}
