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* hle: Some cleanup This PR cleaned up a bit the HLE folder and the VirtualFileSystem one, since we use LibHac, we can use some class of it directly instead of duplicate things. The "Content" of VFS folder is removed since it should be handled in the NCM service directly. A larger cleanup should be done later since there is still be duplicated code here and there. * Fix Headless.SDL2 * Addresses gdkchan feedback
237 lines
7.8 KiB
C#
237 lines
7.8 KiB
C#
using LibHac;
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using LibHac.Common;
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using LibHac.Fs;
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using LibHac.Fs.Fsa;
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using LibHac.FsSystem;
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using LibHac.Ncm;
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using LibHac.Tools.FsSystem;
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using LibHac.Tools.FsSystem.NcaUtils;
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using Ryujinx.Common.Configuration;
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.Exceptions;
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using Ryujinx.HLE.FileSystem;
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using Ryujinx.HLE.HOS.Services.Ssl.Types;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE.HOS.Services.Ssl
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{
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class BuiltInCertificateManager
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{
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private const long CertStoreTitleId = 0x0100000000000800;
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private readonly string CertStoreTitleMissingErrorMessage = "CertStore system title not found! SSL CA retrieving will not work, provide the system archive to fix this error. (See https://github.com/Ryujinx/Ryujinx/wiki/Ryujinx-Setup-&-Configuration-Guide#initial-setup-continued---installation-of-firmware for more information)";
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private static BuiltInCertificateManager _instance;
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public static BuiltInCertificateManager Instance
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{
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get
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{
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if (_instance == null)
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{
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_instance = new BuiltInCertificateManager();
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}
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return _instance;
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}
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}
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private VirtualFileSystem _virtualFileSystem;
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private IntegrityCheckLevel _fsIntegrityCheckLevel;
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private ContentManager _contentManager;
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private bool _initialized;
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private Dictionary<CaCertificateId, CertStoreEntry> _certificates;
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private object _lock = new object();
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private struct CertStoreFileHeader
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{
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private const uint ValidMagic = 0x546C7373;
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#pragma warning disable CS0649
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public uint Magic;
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public uint EntriesCount;
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#pragma warning restore CS0649
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public bool IsValid()
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{
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return Magic == ValidMagic;
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}
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}
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private struct CertStoreFileEntry
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{
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#pragma warning disable CS0649
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public CaCertificateId Id;
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public TrustedCertStatus Status;
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public uint DataSize;
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public uint DataOffset;
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#pragma warning restore CS0649
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}
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public class CertStoreEntry
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{
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public CaCertificateId Id;
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public TrustedCertStatus Status;
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public byte[] Data;
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}
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public string GetCertStoreTitleContentPath()
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{
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return _contentManager.GetInstalledContentPath(CertStoreTitleId, StorageId.BuiltInSystem, NcaContentType.Data);
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}
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public bool HasCertStoreTitle()
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{
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return !string.IsNullOrEmpty(GetCertStoreTitleContentPath());
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}
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private CertStoreEntry ReadCertStoreEntry(ReadOnlySpan<byte> buffer, CertStoreFileEntry entry)
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{
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string customCertificatePath = System.IO.Path.Join(AppDataManager.BaseDirPath, "system", "ssl", $"{entry.Id}.der");
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byte[] data;
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if (File.Exists(customCertificatePath))
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{
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data = File.ReadAllBytes(customCertificatePath);
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}
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else
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{
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data = buffer.Slice((int)entry.DataOffset, (int)entry.DataSize).ToArray();
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}
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return new CertStoreEntry
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{
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Id = entry.Id,
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Status = entry.Status,
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Data = data
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};
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}
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public void Initialize(Switch device)
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{
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lock (_lock)
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{
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_certificates = new Dictionary<CaCertificateId, CertStoreEntry>();
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_initialized = false;
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_contentManager = device.System.ContentManager;
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_virtualFileSystem = device.FileSystem;
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_fsIntegrityCheckLevel = device.System.FsIntegrityCheckLevel;
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if (HasCertStoreTitle())
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{
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using LocalStorage ncaFile = new LocalStorage(_virtualFileSystem.SwitchPathToSystemPath(GetCertStoreTitleContentPath()), FileAccess.Read, FileMode.Open);
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Nca nca = new Nca(_virtualFileSystem.KeySet, ncaFile);
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IFileSystem romfs = nca.OpenFileSystem(NcaSectionType.Data, _fsIntegrityCheckLevel);
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using var trustedCertsFileRef = new UniqueRef<IFile>();
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Result result = romfs.OpenFile(ref trustedCertsFileRef.Ref(), "/ssl_TrustedCerts.bdf".ToU8Span(), OpenMode.Read);
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if (!result.IsSuccess())
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{
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// [1.0.0 - 2.3.0]
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if (ResultFs.PathNotFound.Includes(result))
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{
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result = romfs.OpenFile(ref trustedCertsFileRef.Ref(), "/ssl_TrustedCerts.tcf".ToU8Span(), OpenMode.Read);
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}
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if (result.IsFailure())
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{
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Logger.Error?.Print(LogClass.ServiceSsl, CertStoreTitleMissingErrorMessage);
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return;
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}
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}
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using IFile trustedCertsFile = trustedCertsFileRef.Release();
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trustedCertsFile.GetSize(out long fileSize).ThrowIfFailure();
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Span<byte> trustedCertsRaw = new byte[fileSize];
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trustedCertsFile.Read(out _, 0, trustedCertsRaw).ThrowIfFailure();
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CertStoreFileHeader header = MemoryMarshal.Read<CertStoreFileHeader>(trustedCertsRaw);
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if (!header.IsValid())
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{
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Logger.Error?.Print(LogClass.ServiceSsl, "Invalid CertStore data found, skipping!");
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return;
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}
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ReadOnlySpan<byte> trustedCertsData = trustedCertsRaw[Unsafe.SizeOf<CertStoreFileHeader>()..];
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ReadOnlySpan<CertStoreFileEntry> trustedCertsEntries = MemoryMarshal.Cast<byte, CertStoreFileEntry>(trustedCertsData)[..(int)header.EntriesCount];
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foreach (CertStoreFileEntry entry in trustedCertsEntries)
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{
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_certificates.Add(entry.Id, ReadCertStoreEntry(trustedCertsData, entry));
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}
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_initialized = true;
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}
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}
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}
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public bool TryGetCertificates(ReadOnlySpan<CaCertificateId> ids, out CertStoreEntry[] entries)
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{
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lock (_lock)
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{
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if (!_initialized)
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{
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throw new InvalidSystemResourceException(CertStoreTitleMissingErrorMessage);
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}
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bool hasAllCertificates = false;
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foreach (CaCertificateId id in ids)
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{
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if (id == CaCertificateId.All)
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{
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hasAllCertificates = true;
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break;
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}
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}
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if (hasAllCertificates)
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{
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entries = new CertStoreEntry[_certificates.Count];
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int i = 0;
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foreach (CertStoreEntry entry in _certificates.Values)
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{
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entries[i++] = entry;
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}
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return true;
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}
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else
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{
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entries = new CertStoreEntry[ids.Length];
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for (int i = 0; i < ids.Length; i++)
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{
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if (!_certificates.TryGetValue(ids[i], out CertStoreEntry entry))
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{
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return false;
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}
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entries[i] = entry;
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}
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return true;
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}
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}
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}
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}
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}
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