125 lines
4.4 KiB
C#
125 lines
4.4 KiB
C#
// Copyright (C) 2024, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.Globalization;
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using System.Threading.Tasks;
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using Duplicati.Server.Serialization;
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namespace Duplicati.Server.WebServer
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{
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public class BodyWriter : IDisposable, IAsyncDisposable
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{
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private readonly HttpServer.IHttpResponse m_resp;
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private readonly string m_jsonp;
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private static readonly object SUCCESS_RESPONSE = new { Status = "OK" };
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private readonly System.IO.StreamWriter m_bodyStreamWriter;
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public BodyWriter(HttpServer.IHttpResponse resp, HttpServer.IHttpRequest request)
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: this(resp, request.QueryString["jsonp"].Value)
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{
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}
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public BodyWriter(HttpServer.IHttpResponse resp, string jsonp)
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{
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m_bodyStreamWriter = new System.IO.StreamWriter(resp.Body, resp.Encoding);
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m_resp = resp;
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m_jsonp = jsonp;
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if (!m_resp.HeadersSent)
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m_resp.AddHeader("Cache-Control", "no-cache, no-store, must-revalidate, max-age=0");
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}
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public void SetOK()
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{
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m_resp.Reason = "OK";
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m_resp.Status = System.Net.HttpStatusCode.OK;
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}
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public void OutputOK(object result = null)
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{
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SetOK();
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WriteJsonObject(result ?? SUCCESS_RESPONSE);
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}
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public void WriteJsonObject(object o)
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{
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if (!m_resp.HeadersSent)
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m_resp.ContentType = "application/json";
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Task.Run(async () => {
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if (!string.IsNullOrEmpty(m_jsonp))
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{
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await m_bodyStreamWriter.WriteAsync(m_jsonp);
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await m_bodyStreamWriter.WriteAsync('(');
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}
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var oldCulture = CultureInfo.CurrentCulture;
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CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;
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await Serializer.SerializeJsonAsync(m_bodyStreamWriter, o, true);
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CultureInfo.CurrentCulture = oldCulture;
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if (!string.IsNullOrEmpty(m_jsonp))
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{
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await m_bodyStreamWriter.WriteAsync(')');
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await m_bodyStreamWriter.FlushAsync();
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}
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}).GetAwaiter().GetResult();
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}
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public void Dispose()
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{
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Task.Run(async () => {
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await DisposeAsync();
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}).GetAwaiter().GetResult();
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}
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private bool disposed = false;
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public async ValueTask DisposeAsync()
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{
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if(disposed) return;
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disposed = true;
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if (!m_resp.HeadersSent)
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{
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await m_bodyStreamWriter.FlushAsync();
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m_resp.ContentLength = m_bodyStreamWriter.BaseStream.Length;
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m_resp.Send();
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}
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await m_bodyStreamWriter.DisposeAsync();
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}
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internal void Flush()
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{
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Task.Run(async () => {
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await m_bodyStreamWriter.FlushAsync();
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}).GetAwaiter().GetResult();
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}
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internal void Write(string v)
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{
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Task.Run(async () => {
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await m_bodyStreamWriter.WriteAsync(v);
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}).GetAwaiter().GetResult();
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}
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}
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}
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