mirror of
https://github.com/BililiveRecorder/BililiveRecorder.git
synced 2024-12-27 04:33:29 +08:00
270 lines
16 KiB
C#
270 lines
16 KiB
C#
using System;
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using System.IO;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Xml;
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using BililiveRecorder.Core.Api.Danmaku;
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using BililiveRecorder.Core.Config.V3;
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using Serilog;
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#nullable enable
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namespace BililiveRecorder.Core.Danmaku
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{
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internal class BasicDanmakuWriter : IBasicDanmakuWriter
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{
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private static readonly XmlWriterSettings xmlWriterSettings = new XmlWriterSettings
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{
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Async = true,
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Indent = true,
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IndentChars = " ",
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Encoding = Encoding.UTF8,
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CloseOutput = true,
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WriteEndDocumentOnClose = true,
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};
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private static readonly Regex invalidXMLChars = new Regex(@"(?<![\uD800-\uDBFF])[\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x9F\uFEFF\uFFFE\uFFFF]", RegexOptions.Compiled);
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private static string RemoveInvalidXMLChars(string? text) => string.IsNullOrWhiteSpace(text) ? string.Empty : invalidXMLChars.Replace(text, string.Empty);
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private XmlWriter? xmlWriter = null;
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private DateTimeOffset offset = DateTimeOffset.UtcNow;
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private uint writeCount = 0;
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private RoomConfig? config;
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private readonly SemaphoreSlim semaphoreSlim = new SemaphoreSlim(1, 1);
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private readonly ILogger logger;
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public BasicDanmakuWriter(ILogger logger)
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{
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this.logger = logger?.ForContext<BasicDanmakuWriter>() ?? throw new ArgumentNullException(nameof(logger));
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}
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public void EnableWithPath(string path, IRoom room)
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{
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if (this.disposedValue) return;
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this.semaphoreSlim.Wait();
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try
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{
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if (this.xmlWriter != null)
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{
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this.xmlWriter.Close();
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this.xmlWriter.Dispose();
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this.xmlWriter = null;
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}
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try { Directory.CreateDirectory(Path.GetDirectoryName(path)); } catch (Exception) { }
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var stream = File.Open(path, FileMode.Create, FileAccess.Write, FileShare.Read);
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this.config = room.RoomConfig;
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this.xmlWriter = XmlWriter.Create(stream, xmlWriterSettings);
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WriteStartDocument(this.xmlWriter, room);
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this.offset = DateTimeOffset.UtcNow;
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this.writeCount = 0;
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}
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finally
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{
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this.semaphoreSlim.Release();
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}
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}
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public void Disable()
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{
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if (this.disposedValue) return;
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this.semaphoreSlim.Wait();
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try
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{
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this.DisableCore();
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}
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finally
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{
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this.semaphoreSlim.Release();
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}
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}
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private void DisableCore()
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{
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try
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{
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if (this.xmlWriter != null)
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{
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this.xmlWriter.Close();
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this.xmlWriter.Dispose();
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this.xmlWriter = null;
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}
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}
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catch (Exception ex)
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{
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this.logger.Warning(ex, "关闭弹幕文件时发生错误");
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this.xmlWriter = null;
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}
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}
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public async Task WriteAsync(DanmakuModel danmakuModel)
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{
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if (this.disposedValue) return;
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if (this.config is null) return;
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await this.semaphoreSlim.WaitAsync();
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try
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{
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if (this.xmlWriter != null)
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{
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var write = true;
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var recordDanmakuRaw = this.config.RecordDanmakuRaw;
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switch (danmakuModel.MsgType)
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{
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case DanmakuMsgType.Comment:
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{
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var type = danmakuModel.RawObject?["info"]?[0]?[1]?.ToObject<int>() ?? 1;
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var size = danmakuModel.RawObject?["info"]?[0]?[2]?.ToObject<int>() ?? 25;
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var color = danmakuModel.RawObject?["info"]?[0]?[3]?.ToObject<int>() ?? 0XFFFFFF;
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var st = danmakuModel.RawObject?["info"]?[0]?[4]?.ToObject<long>() ?? 0L;
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var ts = Math.Max((DateTimeOffset.UtcNow - this.offset).TotalSeconds, 0d);
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await this.xmlWriter.WriteStartElementAsync(null, "d", null).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "p", null, $"{ts:F3},{type},{size},{color},{st},0,{danmakuModel.UserID},0").ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "user", null, RemoveInvalidXMLChars(danmakuModel.UserName)).ConfigureAwait(false);
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if (recordDanmakuRaw)
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await this.xmlWriter.WriteAttributeStringAsync(null, "raw", null, RemoveInvalidXMLChars(danmakuModel.RawObject?["info"]?.ToString(Newtonsoft.Json.Formatting.None))).ConfigureAwait(false);
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this.xmlWriter.WriteValue(RemoveInvalidXMLChars(danmakuModel.CommentText));
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await this.xmlWriter.WriteEndElementAsync().ConfigureAwait(false);
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}
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break;
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case DanmakuMsgType.SuperChat:
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if (this.config.RecordDanmakuSuperChat)
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{
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await this.xmlWriter.WriteStartElementAsync(null, "sc", null).ConfigureAwait(false);
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var ts = Math.Max((DateTimeOffset.UtcNow - this.offset).TotalSeconds, 0d);
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await this.xmlWriter.WriteAttributeStringAsync(null, "ts", null, ts.ToString("F3")).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "user", null, RemoveInvalidXMLChars(danmakuModel.UserName)).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "price", null, danmakuModel.Price.ToString()).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "time", null, danmakuModel.SCKeepTime.ToString()).ConfigureAwait(false);
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if (recordDanmakuRaw)
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await this.xmlWriter.WriteAttributeStringAsync(null, "raw", null, RemoveInvalidXMLChars(danmakuModel.RawObject?["data"]?.ToString(Newtonsoft.Json.Formatting.None))).ConfigureAwait(false);
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this.xmlWriter.WriteValue(RemoveInvalidXMLChars(danmakuModel.CommentText));
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await this.xmlWriter.WriteEndElementAsync().ConfigureAwait(false);
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}
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break;
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case DanmakuMsgType.GiftSend:
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if (this.config.RecordDanmakuGift)
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{
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await this.xmlWriter.WriteStartElementAsync(null, "gift", null).ConfigureAwait(false);
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var ts = Math.Max((DateTimeOffset.UtcNow - this.offset).TotalSeconds, 0d);
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await this.xmlWriter.WriteAttributeStringAsync(null, "ts", null, ts.ToString("F3")).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "user", null, RemoveInvalidXMLChars(danmakuModel.UserName)).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "giftname", null, RemoveInvalidXMLChars(danmakuModel.GiftName)).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "giftcount", null, danmakuModel.GiftCount.ToString()).ConfigureAwait(false);
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if (recordDanmakuRaw)
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await this.xmlWriter.WriteAttributeStringAsync(null, "raw", null, RemoveInvalidXMLChars(danmakuModel.RawObject?["data"]?.ToString(Newtonsoft.Json.Formatting.None))).ConfigureAwait(false);
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await this.xmlWriter.WriteEndElementAsync().ConfigureAwait(false);
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}
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break;
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case DanmakuMsgType.GuardBuy:
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if (this.config.RecordDanmakuGuard)
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{
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await this.xmlWriter.WriteStartElementAsync(null, "guard", null).ConfigureAwait(false);
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var ts = Math.Max((DateTimeOffset.UtcNow - this.offset).TotalSeconds, 0d);
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await this.xmlWriter.WriteAttributeStringAsync(null, "ts", null, ts.ToString("F3")).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "user", null, RemoveInvalidXMLChars(danmakuModel.UserName)).ConfigureAwait(false);
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await this.xmlWriter.WriteAttributeStringAsync(null, "level", null, danmakuModel.UserGuardLevel.ToString()).ConfigureAwait(false); ;
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await this.xmlWriter.WriteAttributeStringAsync(null, "count", null, danmakuModel.GiftCount.ToString()).ConfigureAwait(false);
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if (recordDanmakuRaw)
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await this.xmlWriter.WriteAttributeStringAsync(null, "raw", null, RemoveInvalidXMLChars(danmakuModel.RawObject?["data"]?.ToString(Newtonsoft.Json.Formatting.None))).ConfigureAwait(false);
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await this.xmlWriter.WriteEndElementAsync().ConfigureAwait(false);
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}
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break;
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default:
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write = false;
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break;
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}
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if (write && this.writeCount++ >= this.config.RecordDanmakuFlushInterval)
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{
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await this.xmlWriter.FlushAsync();
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this.writeCount = 0;
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}
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}
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}
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catch (Exception ex)
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{
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this.logger.Warning(ex, "写入弹幕时发生错误");
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this.DisableCore();
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}
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finally
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{
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this.semaphoreSlim.Release();
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}
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}
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private static void WriteStartDocument(XmlWriter writer, IRoom room)
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{
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writer.WriteStartDocument();
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writer.WriteProcessingInstruction("xml-stylesheet", "type=\"text/xsl\" href=\"#s\"");
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writer.WriteStartElement("i");
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writer.WriteComment("\nB站录播姬 " + GitVersionInformation.FullSemVer + "\n本文件的弹幕信息兼容B站主站视频弹幕XML格式\n本XML自带样式可以在浏览器里打开（推荐使用Chrome）\n\nsc 为SuperChat\ngift为礼物\nguard为上船\n\nattribute \"raw\" 为原始数据\n");
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writer.WriteElementString("chatserver", "chat.bilibili.com");
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writer.WriteElementString("chatid", "0");
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writer.WriteElementString("mission", "0");
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writer.WriteElementString("maxlimit", "1000");
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writer.WriteElementString("state", "0");
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writer.WriteElementString("real_name", "0");
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writer.WriteElementString("source", "0");
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writer.WriteStartElement("BililiveRecorder");
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writer.WriteAttributeString("version", GitVersionInformation.FullSemVer);
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writer.WriteEndElement();
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writer.WriteStartElement("BililiveRecorderRecordInfo");
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writer.WriteAttributeString("roomid", room.RoomConfig.RoomId.ToString());
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writer.WriteAttributeString("shortid", room.ShortId.ToString());
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writer.WriteAttributeString("name", RemoveInvalidXMLChars(room.Name));
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writer.WriteAttributeString("title", RemoveInvalidXMLChars(room.Title));
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writer.WriteAttributeString("areanameparent", RemoveInvalidXMLChars(room.AreaNameParent));
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writer.WriteAttributeString("areanamechild", RemoveInvalidXMLChars(room.AreaNameChild));
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writer.WriteAttributeString("start_time", DateTimeOffset.Now.ToString("O"));
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writer.WriteEndElement();
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// see BililiveRecorder.ToolBox\Tool\DanmakuMerger\DanmakuMergerHandler.cs
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const string style = @"<z:stylesheet version=""1.0"" id=""s"" xml:id=""s"" xmlns:z=""http://www.w3.org/1999/XSL/Transform""><z:output method=""html""/><z:template match=""/""><html><meta name=""viewport"" content=""width=device-width""/><title>B站录播姬弹幕文件 - <z:value-of select=""/i/BililiveRecorderRecordInfo/@name""/></title><style>body{margin:0}h1,h2,p,table{margin-left:5px}table{border-spacing:0}td,th{border:1px solid grey;padding:1px}th{position:sticky;top:0;background:#4098de}tr:hover{background:#d9f4ff}div{overflow:auto;max-height:80vh;max-width:100vw;width:fit-content}</style><h1>B站录播姬弹幕XML文件</h1><p>本文件的弹幕信息兼容B站主站视频弹幕XML格式，可以使用现有的转换工具把文件中的弹幕转为ass字幕文件</p><table><tr><td>录播姬版本</td><td><z:value-of select=""/i/BililiveRecorder/@version""/></td></tr><tr><td>房间号</td><td><z:value-of select=""/i/BililiveRecorderRecordInfo/@roomid""/></td></tr><tr><td>主播名</td><td><z:value-of select=""/i/BililiveRecorderRecordInfo/@name""/></td></tr><tr><td>录制开始时间</td><td><z:value-of select=""/i/BililiveRecorderRecordInfo/@start_time""/></td></tr><tr><td><a href=""#d"">弹幕</a></td><td>共 <z:value-of select=""count(/i/d)""/> 条记录</td></tr><tr><td><a href=""#guard"">上船</a></td><td>共 <z:value-of select=""count(/i/guard)""/> 条记录</td></tr><tr><td><a href=""#sc"">SC</a></td><td>共 <z:value-of select=""count(/i/sc)""/> 条记录</td></tr><tr><td><a href=""#gift"">礼物</a></td><td>共 <z:value-of select=""count(/i/gift)""/> 条记录</td></tr></table><h2 id=""d"">弹幕</h2><div><table><tr><th>用户名</th><th>弹幕</th><th>参数</th></tr><z:for-each select=""/i/d""><tr><td><z:value-of select=""@user""/></td><td><z:value-of select="".""/></td><td><z:value-of select=""@p""/></td></tr></z:for-each></table></div><h2 id=""guard"">舰长购买</h2><div><table><tr><th>用户名</th><th>舰长等级</th><th>购买数量</th><th>出现时间</th></tr><z:for-each select=""/i/guard""><tr><td><z:value-of select=""@user""/></td><td><z:value-of select=""@level""/></td><td><z:value-of select=""@count""/></td><td><z:value-of select=""@ts""/></td></tr></z:for-each></table></div><h2 id=""sc"">SuperChat 醒目留言</h2><div><table><tr><th>用户名</th><th>内容</th><th>显示时长</th><th>价格</th><th>出现时间</th></tr><z:for-each select=""/i/sc""><tr><td><z:value-of select=""@user""/></td><td><z:value-of select="".""/></td><td><z:value-of select=""@time""/></td><td><z:value-of select=""@price""/></td><td><z:value-of select=""@ts""/></td></tr></z:for-each></table></div><h2 id=""gift"">礼物</h2><div><table><tr><th>用户名</th><th>礼物名</th><th>礼物数量</th><th>出现时间</th></tr><z:for-each select=""/i/gift""><tr><td><z:value-of select=""@user""/></td><td><z:value-of select=""@giftname""/></td><td><z:value-of select=""@giftcount""/></td><td><z:value-of select=""@ts""/></td></tr></z:for-each></table></div></html></z:template></z:stylesheet>";
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writer.WriteStartElement("BililiveRecorderXmlStyle");
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writer.WriteRaw(style);
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writer.WriteEndElement();
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writer.Flush();
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}
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private bool disposedValue;
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protected virtual void Dispose(bool disposing)
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{
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if (!this.disposedValue)
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{
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if (disposing)
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{
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// dispose managed state (managed objects)
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this.semaphoreSlim.Dispose();
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this.xmlWriter?.Close();
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this.xmlWriter?.Dispose();
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this.xmlWriter = null;
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}
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// free unmanaged resources (unmanaged objects) and override finalizer
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// set large fields to null
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this.disposedValue = true;
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}
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}
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public void Dispose()
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{
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// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
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this.Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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}
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}
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