public static async Task DownloadFileAsync(HttpContext ctx, StorfilerMethodOptions method, StorfilerOptions options)
{
string filePath = null;
if (!string.IsNullOrEmpty(method.Query) && ctx.Request.Query.ContainsKey(method.Query))
{
filePath = ctx.Request.Query[method.Query];
}
else
{
filePath = ctx.GetRouteValue("fileName")?.ToString();
if (string.IsNullOrEmpty(filePath))
{
Log.Warning("Could not find file in route or query", filePath);
ctx.Response.StatusCode = StatusCodes.Status400BadRequest;
return;
}
}
if (!method.IsFullPath)
{
filePath = Path.Combine(options.DiskPaths.Read.First(), filePath);
}
Log.Information("Query: Read file {file}", filePath);
if (!File.Exists(filePath))
{
ctx.Response.StatusCode = StatusCodes.Status404NotFound;
Log.Warning("File {file} does not exist", filePath);
return;
}
using (FileStream fileStream = File.OpenRead(filePath))
{
string contentType = MimeTypeMap.List.MimeTypeMap.GetMimeType(Path.GetExtension(filePath)).First();
ctx.Response.Headers.TryAdd("Content-Disposition", $"attachment; filename=\"{Path.GetFileName(filePath)}\"");
ctx.Response.ContentType = contentType;
await fileStream.CopyToAsync(ctx.Response.Body);
}
}
public static async Task SearchFilesAsync(HttpContext ctx, StorfilerMethodOptions method, StorfilerOptions options)
{
string fileName = ctx.GetRouteValue("fileName").ToString();
string pattern = string.IsNullOrEmpty(method.Pattern) ? fileName : method.Pattern.Replace("{fileName}", fileName);
Log.Information("Query: Search files in directory {directory} with pattern {pattern}", options.DiskPaths.Read.First(), pattern);
IEnumerable <string> searchFiles = Directory.EnumerateFiles(options.DiskPaths.Read.First(), pattern, SearchOption.AllDirectories);
List <FileMetadatas> filesMetadatas = new List <FileMetadatas>();
foreach (string file in searchFiles)
{
string name = Path.GetFileName(file);
string nameWithoutExt = name.Remove(name.LastIndexOf(".", StringComparison.InvariantCultureIgnoreCase));
string parent = Path.GetFileName(Path.GetDirectoryName(file));
filesMetadatas.Add(new FileMetadatas
{
FullPath = file,
Name = name,
Parent = parent,
NameWithoutExt = nameWithoutExt
});
}
await ctx.WriteJsonAsync(filesMetadatas);
}