mirror of
https://github.com/vxunderground/MalwareSourceCode.git
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329 lines
11 KiB
C#
329 lines
11 KiB
C#
// Decompiled with JetBrains decompiler
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// Type: Microsoft.InfoCards.DataSource
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// Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
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// MVID: 1D4D5564-A025-490C-AF1D-DF4FBB709D1F
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// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00001-msil\Virus.Win32.Expiro.w-f8f9f26e940480624825f6bddbea86e70fc4aa746c4dd8efa7d98dcb477000ed.exe
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using Microsoft.InfoCards.Diagnostics;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Threading;
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namespace Microsoft.InfoCards
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{
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internal abstract class DataSource : IDisposable
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{
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private string m_instanceId;
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private bool m_isLoaded;
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private ReaderWriterLock m_lock;
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private bool m_isDisposed;
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private string m_sourceId;
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private bool m_isCleared;
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protected DataSource(string instanceId, string sourceId)
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{
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this.m_instanceId = instanceId;
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this.m_sourceId = sourceId;
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this.m_lock = new ReaderWriterLock();
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}
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public string SourceId
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{
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get
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{
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this.ThrowIfDisposed();
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return this.m_sourceId;
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}
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}
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public bool IsDisposed => this.m_isDisposed;
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public bool IsLoaded
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{
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get
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{
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this.ThrowIfDisposed();
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return this.m_isLoaded;
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}
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}
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public bool IsCleared
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{
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get => this.m_isCleared;
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set => this.m_isCleared = value;
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}
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protected internal string InstanceId
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{
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get
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{
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this.ThrowIfDisposed();
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return this.m_instanceId;
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}
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set
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{
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this.ThrowIfDisposed();
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this.m_instanceId = value;
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}
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}
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public bool IsProcessingTransaction()
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{
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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return this.m_lock.IsWriterLockHeld;
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}
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public void BeginTransaction()
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{
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this.ThrowIfWriteLockHeld();
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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this.m_lock.AcquireWriterLock(0);
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this.OnBeginTransaction();
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}
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public void CommitTransaction()
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{
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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this.ThrowIfWriteLockNotHeld();
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this.OnCommitTransaction();
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this.m_lock.ReleaseWriterLock();
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}
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public void RollbackTransaction()
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{
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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this.ThrowIfWriteLockNotHeld();
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this.OnRollbackTransaction();
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this.m_lock.ReleaseWriterLock();
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}
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public void Load()
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{
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this.ThrowIfDisposed();
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this.OnLoad();
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this.m_isLoaded = true;
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}
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public void Clear()
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{
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this.ThrowIfLoaded();
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this.ThrowIfDisposed();
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this.OnClear();
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this.m_isLoaded = false;
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this.m_isCleared = true;
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}
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public void Close()
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{
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if (!this.m_isLoaded)
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return;
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this.OnClose();
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this.m_isLoaded = false;
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}
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public DataRow GetSingleRow(params QueryParameter[] objectQuery) => this.GetSingleRow(QueryDetails.FullRow, objectQuery);
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public DataRow GetSingleRow(QueryDetails details, params QueryParameter[] objectQuery)
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{
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IList<DataRow> dataRowList = this.Query(details, objectQuery);
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if (dataRowList == null || dataRowList.Count == 0)
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return (DataRow) null;
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return dataRowList.Count <= 1 ? dataRowList[0] : throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreMoreThanOneRowReturnedInSingleMatchQuery")));
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}
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public IList<DataRow> Query(params QueryParameter[] objectQuery) => this.Query(QueryDetails.FullRow, objectQuery);
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public IList<DataRow> Query(
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QueryDetails details,
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params QueryParameter[] objectQuery)
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{
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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if (objectQuery == null || objectQuery.Length == 0)
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throw InfoCardTrace.ThrowHelperArgumentNull("query");
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if (!this.IsValidQueryDetails(details))
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throw InfoCardTrace.ThrowHelperError((Exception) new ArgumentException(nameof (details)));
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if (details == QueryDetails.None)
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return (IList<DataRow>) null;
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LocalIdCollection localIdCollection1 = (LocalIdCollection) null;
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bool flag = false;
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try
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{
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try
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{
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}
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finally
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{
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this.m_lock.AcquireReaderLock(0);
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flag = true;
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}
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foreach (QueryParameter match in objectQuery)
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{
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LocalIdCollection localIdCollection2 = new LocalIdCollection();
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if ("localid" == match.IndexName.ToLower(CultureInfo.InvariantCulture))
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{
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for (int index1 = 0; index1 < match.Count; ++index1)
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{
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for (int index2 = 0; index2 < match[index1].ObjectList.Length; ++index2)
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{
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int int32 = Convert.ToInt32(match[index1].ObjectList[index2], (IFormatProvider) NumberFormatInfo.InvariantInfo);
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localIdCollection2.Add(int32);
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}
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}
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}
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else if (!this.SingleMatch(match, localIdCollection2))
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{
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if (localIdCollection1 != null)
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{
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localIdCollection1.Clear();
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break;
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}
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break;
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}
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if (localIdCollection1 == null)
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localIdCollection1 = localIdCollection2;
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else
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localIdCollection1.Filter(localIdCollection2);
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}
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}
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finally
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{
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if (flag)
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this.m_lock.ReleaseReaderLock();
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}
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if (localIdCollection1 == null || localIdCollection1.Count == 0)
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return (IList<DataRow>) null;
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List<DataRow> dataRowList = new List<DataRow>(localIdCollection1.Count);
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foreach (int key in (IEnumerable<int>) localIdCollection1.Keys)
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{
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if (QueryDetails.Identifiers == details)
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dataRowList.Add(new DataRow()
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{
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LocalId = key,
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SourceId = this.SourceId,
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InstanceId = this.InstanceId
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});
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else
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dataRowList.Add(this.ReadRow(key, details));
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}
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return (IList<DataRow>) dataRowList;
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}
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public void Save(DataRow row)
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{
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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this.ThrowIfWriteLockNotHeld();
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if (row == null)
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throw InfoCardTrace.ThrowHelperArgumentNull(nameof (row));
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if ((!string.IsNullOrEmpty(row.InstanceId) || !string.IsNullOrEmpty(row.SourceId)) && (string.Compare(row.InstanceId, this.InstanceId, StringComparison.Ordinal) != 0 || string.Compare(row.SourceId, this.SourceId, StringComparison.Ordinal) != 0))
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throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreRowOwnedByOtherDataSource")));
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row.LastChange = DateTime.Now.ToFileTimeUtc();
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this.WriteRow(row);
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row.InstanceId = this.InstanceId;
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row.SourceId = this.SourceId;
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}
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public void Delete(DataRow row)
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{
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this.ThrowIfDisposed();
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this.ThrowIfNotLoaded();
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this.ThrowIfWriteLockNotHeld();
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if (row == null)
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throw InfoCardTrace.ThrowHelperArgumentNull(nameof (row));
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if (row.InstanceId == null || row.SourceId == null)
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throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreDataSourceRowNotOwned")));
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if (string.Compare(row.InstanceId, this.InstanceId, StringComparison.Ordinal) != 0 || string.Compare(row.SourceId, this.SourceId, StringComparison.Ordinal) != 0)
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throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreRowOwnedByOtherDataSource")));
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this.RemoveObject(row.LocalId);
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}
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protected internal virtual bool IsValidQueryDetails(QueryDetails details)
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{
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if (QueryDetails.IndexData == (details & QueryDetails.IndexData))
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return QueryDetails.FullRowAndIndexes == (details & QueryDetails.FullRowAndIndexes);
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if (QueryDetails.DataBlob == (details & QueryDetails.DataBlob))
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return QueryDetails.FullRow == (details & QueryDetails.FullRow);
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if (QueryDetails.Header == (details & QueryDetails.Header))
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return QueryDetails.FullHeader == (details & QueryDetails.FullHeader);
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return QueryDetails.Identifiers == (details & QueryDetails.Identifiers) ? QueryDetails.Identifiers == (details & QueryDetails.Identifiers) : QueryDetails.None == details;
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}
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protected internal virtual void OnBeginTransaction() => this.ThrowIfDisposed();
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protected internal virtual void OnCommitTransaction() => this.ThrowIfDisposed();
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protected internal virtual void OnRollbackTransaction() => this.ThrowIfDisposed();
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protected internal virtual void OnLoad() => this.ThrowIfDisposed();
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protected internal virtual void OnClose() => this.ThrowIfDisposed();
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protected internal virtual void OnClear() => this.ThrowIfDisposed();
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protected internal virtual void OnDispose()
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{
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}
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protected internal abstract void WriteRow(DataRow row);
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protected internal abstract void RemoveObject(int id);
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protected internal abstract DataRow ReadRow(int localId, QueryDetails details);
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protected internal abstract bool SingleMatch(QueryParameter match, LocalIdCollection localIds);
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void IDisposable.Dispose()
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{
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this.OnDispose();
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this.m_isDisposed = true;
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}
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protected internal void ThrowIfWriteLockNotHeld()
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{
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if (!this.m_lock.IsWriterLockHeld)
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throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreDataSourceWriteLockNotHeld")));
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}
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protected internal void ThrowIfWriteLockHeld()
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{
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if (this.m_lock.IsWriterLockHeld)
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throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreProcessingTransaction")));
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}
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protected internal void ThrowIfNotLoaded()
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{
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if (!this.m_isLoaded)
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throw InfoCardTrace.ThrowHelperError((Exception) new ObjectDisposedException(nameof (DataSource)));
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}
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protected internal void ThrowIfLoaded()
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{
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if (this.m_isLoaded)
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throw InfoCardTrace.ThrowHelperError((Exception) new InvalidOperationException(SR.GetString("StoreIsAlreadyLoaded")));
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}
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protected internal void ThrowIfDisposed()
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{
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if (this.m_isDisposed)
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throw InfoCardTrace.ThrowHelperError((Exception) new ObjectDisposedException(nameof (DataSource)));
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}
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public static QueryParameter CreateDeleteStoreTypeQuery()
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{
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QueryParameter deleteStoreTypeQuery = new QueryParameter("ix_objecttype");
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foreach (int num in Enum.GetValues(typeof (StorableObjectType)))
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{
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if (num != 0)
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deleteStoreTypeQuery.AddMatch((object) num);
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}
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return deleteStoreTypeQuery;
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}
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}
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}
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