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feat: netease cover & rpc button
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@Kxnrl
Kxnrl committed Jul 8, 2023
1 parent 74fc192 commit 5067d25
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Showing 8 changed files with 233 additions and 70 deletions.
96 changes: 60 additions & 36 deletions NetEaseMusic-DiscordRPC/MemoryUtil.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
using System.Diagnostics;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;

namespace NetEaseMusic_DiscordRPC
{
Expand All @@ -15,42 +16,31 @@ static class MemoryUtil

public static List<MemoryOffset> Offsets;

public static void LoadMemory(int pid, ref double rate, ref double lens)
public static void LoadNetEaseMemory(int pid, ref double rate, ref double lens, ref string title, ref string album, ref string artists, ref string cover, ref string url, out bool extra)
{
extra = false;

if (ProcessId != pid)
{
EntryPoint = OpenProcess(0x10, IntPtr.Zero, pid);
BaseAddress = IntPtr.Zero;

using var process = Process.GetProcessById(pid);

//Debug.Print($"Process Hadnle {process.Id}");

foreach (ProcessModule module in process.Modules)
{
//Debug.Print($"Find module {module.ModuleName}");
if ("cloudmusic.dll".Equals(module.ModuleName))
{
BaseAddress = module.BaseAddress;

//Debug.Print($"Match module address {module.BaseAddress}");
break;
}
}

Version = process.MainModule?.FileVersionInfo.ProductVersion;
//Debug.Print($"Match application version {Version}");
}

if (EntryPoint == IntPtr.Zero || BaseAddress == IntPtr.Zero)
{
//Debug.Print($"Null handle");
return;
}

if (string.IsNullOrEmpty(Version))
if (EntryPoint == IntPtr.Zero || BaseAddress == IntPtr.Zero || string.IsNullOrEmpty(Version))
{
//Debug.Print($"Null version");
return;
}

Expand All @@ -59,45 +49,79 @@ public static void LoadMemory(int pid, ref double rate, ref double lens)
var offset = Offsets.FirstOrDefault(x => x.Version == Version);
if (offset == null)
{
///Debug.Print($"Offset not found");
return;
}

//Debug.Print($"Offset -> {offset.Offsets.Length} | {offset.Offsets.Schedule}");
// create buffer
var buffer = new byte[64];

var buffer = new byte[sizeof(double) + 1];

// offset 2.7.1 -> 0x8ADA70
// offset 2.7.3 -> 0x8BDAD0
// offset 2.7.6 -> 0x8BEAD8
// offset 2.8.0 -> 0x939B50
// offset 2.9.2 -> 0x93EB38
// 0ffset 2.9.5 -> 0x955F60
if (!ReadProcessMemory(EntryPoint, BaseAddress + offset.Offsets.Schedule, buffer, sizeof(double), IntPtr.Zero))
{
Debug.Print($"Failed to load memory at 0x{(BaseAddress + offset.Offsets.Schedule).ToString("X")}");
return;
}
var current = BitConverter.ToDouble(buffer, 0);

// offset 2.7.1 -> 0x8CDF88
// offset 2.7.3 -> 0x8DEB98
// offset 2.7.6 -> 0x8DFC080
// offset 2.8.0 -> 0x961D98
// offset 2.9.2 -> 0x967DA8
// offset 2.9.5 -> 0x97F588
if (!ReadProcessMemory(EntryPoint, BaseAddress + offset.Offsets.Length, buffer, sizeof(double), IntPtr.Zero))
{
Debug.Print($"Failed to load memory at 0x{(BaseAddress + offset.Offsets.Length).ToString("X")}");
return;
}
var maxlens = BitConverter.ToDouble(buffer, 0);

//Debug.Print($"Current value {current} | {maxlens}");
var length = BitConverter.ToDouble(buffer, 0);

rate = current;
lens = maxlens;
//text = process.MainWindowTitle;
lens = length;

if (offset.Offsets.CachePointer > 0)
{
try
{
// offset +8 (28 8f 0b050043 04 88)
// 28 8f 0b050043 04 88 31 00 39 00 39 00 38 00 36 00 39 00 36 00 34 00 34 00 33 00 5f 00 31 00 5f 00 38 00 34 00 33 00 35 00360039 00 36 00 31 00 37 00 33 00 00
// op code
// cloudmusic.dll+709868:
// 7A1A985A - 0F82 68030000 - jb cloudmusic.dll + 709BC8
// 7A1A9860 - 0FBA 25 284F547A 01 - bt[cloudmusic.dll + AA4F28],01
// 7A1A9868 - 73 07 - jae cloudmusic.dll + 709871 <<
// 7A1A986A - F3 A4 - repe movsb
// 7A1A986C - E9 17030000 - jmp cloudmusic.dll + 709B88
if (!ReadProcessMemory(EntryPoint, BaseAddress + offset.Offsets.CachePointer, buffer, sizeof(uint), IntPtr.Zero))
{
Debug.Print("Error read cache array pointer for %LocalAppData%/NetEase/CloudMusic/webdata/file");
return;
}

var add = BitConverter.ToUInt32(buffer, 0);
var ptr = new IntPtr(add);
if (!ReadProcessMemory(EntryPoint, ptr, buffer, int.MaxValue.ToString().Length * 2, IntPtr.Zero))
{
Debug.Print("Error read pointer for %LocalAppData%/NetEase/CloudMusic/webdata/file");
return;
}

/* {tid}_{fid}_{data} */
var id = Encoding.Unicode.GetString(buffer).Trim().Split('_')[0];

var sound = NetEaseCacheManager.GetSoundInfo(int.Parse(id));
if (sound == null)
{
Debug.Print($"Sound {id} not found in cache");
return;
}

title = sound.Track.Name;
album = sound.Track.Album.Name;
artists = string.Join(", ", sound.Track.Artists.Select(x => x.Name));
cover = sound.Track.Album.Cover;
lens = sound.Track.Duration * 0.001;
url = $"https://music.163.com/song?id={sound.Id}";
extra = true;
}
catch (Exception e)
{
Debug.Print(e.ToString());
}
}
}

[DllImport("kernel32", SetLastError = true)]
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2 changes: 1 addition & 1 deletion NetEaseMusic-DiscordRPC/NetEaseMusic-DiscordRPC.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@
</ItemGroup>
<ItemGroup>
<Compile Include="AutoStart.cs" />
<Compile Include="json.cs" />
<Compile Include="Json.cs" />
<Compile Include="MemoryUtil.cs" />
<Compile Include="Program.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
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