107 lines
2.6 KiB
C#
107 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using Android.Content;
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using Android.OS;
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using Java.IO;
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using KeePassLib.Serialization;
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namespace keepass2android.Io
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{
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public static class IoUtil
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{
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public static bool DeleteDir(File dir, bool contentsOnly=false)
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{
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if (dir != null && dir.IsDirectory)
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{
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String[] children = dir.List();
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for (int i = 0; i < children.Length; i++)
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{
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bool success = DeleteDir(new File(dir, children[i]));
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if (!success)
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{
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return false;
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}
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}
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}
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if (contentsOnly)
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return true;
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// The directory is now empty so delete it
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return dir.Delete();
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}
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public static IOConnectionInfo GetParentPath(IOConnectionInfo ioc)
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{
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var iocParent = ioc.CloneDeep();
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if (iocParent.Path.EndsWith("/"))
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iocParent.Path = iocParent.Path.Substring(0, iocParent.Path.Length - 1);
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int slashPos = iocParent.Path.LastIndexOf("/", StringComparison.Ordinal);
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if (slashPos == -1)
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iocParent.Path = "";
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else
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{
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iocParent.Path = iocParent.Path.Substring(0, slashPos);
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}
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return iocParent;
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}
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public static bool IsInInternalDirectory(string path, Context context)
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{
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try
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{
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File filesDir = context.FilesDir.CanonicalFile;
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File noBackupDir = GetInternalDirectory(context).CanonicalFile;
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File ourFile = new File(path).CanonicalFile;
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//http://www.java2s.com/Tutorial/Java/0180__File/Checkswhetherthechilddirectoryisasubdirectoryofthebasedirectory.htm
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File parentFile = ourFile;
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while (parentFile != null)
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{
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if ((filesDir.Equals(parentFile) || noBackupDir.Equals(parentFile)))
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{
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return true;
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}
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parentFile = parentFile.ParentFile;
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}
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return false;
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}
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catch (Exception e)
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{
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Kp2aLog.LogUnexpectedError(e);
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return false;
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}
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}
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public static void Copy(IOConnectionInfo targetIoc, IOConnectionInfo sourceIoc, IKp2aApp app)
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{
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IFileStorage sourceStorage = app.GetFileStorage(sourceIoc, false); //don't cache source. file won't be used ever again
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IFileStorage targetStorage = app.GetFileStorage(targetIoc);
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using (
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var writeTransaction = targetStorage.OpenWriteTransaction(targetIoc,
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app.GetBooleanPreference(
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PreferenceKey.UseFileTransactions)))
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{
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using (var writeStream = writeTransaction.OpenFile())
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{
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sourceStorage.OpenFileForRead(sourceIoc).CopyTo(writeStream);
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}
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writeTransaction.CommitWrite();
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}
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}
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public static Java.IO.File GetInternalDirectory(Context ctx)
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{
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if ((int)Android.OS.Build.VERSION.SdkInt >= 21)
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return ctx.NoBackupFilesDir;
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else
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return ctx.FilesDir;
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}
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}
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}
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