520 lines
16 KiB
C#
520 lines
16 KiB
C#
/*
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This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
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Keepass2Android is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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Keepass2Android is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Keepass2Android. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Android.App;
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using Android.Content;
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using Android.OS;
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using Android.Runtime;
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using Android.Views;
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using Android.Widget;
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using KeePassLib;
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using Android.Text.Format;
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using KeePassLib.Utility;
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using Java.Util;
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using Android.Preferences;
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using Android.Text.Method;
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using Android.Util;
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using System.Globalization;
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using Android.Content.PM;
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using KeePassLib.Security;
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using keepass2android.view;
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using Android.Webkit;
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namespace keepass2android
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{
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[Activity (Label = "@string/app_name", ConfigurationChanges=ConfigChanges.Orientation|ConfigChanges.KeyboardHidden, Theme="@style/NoTitleBar")]
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public class EntryActivity : LockCloseActivity {
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public const String KEY_ENTRY = "entry";
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public const String KEY_REFRESH_POS = "refresh_pos";
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public const String KEY_CLOSE_AFTER_CREATE = "close_after_create";
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public static void Launch(Activity act, PwEntry pw, int pos) {
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Launch(act, pw, pos, false);
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}
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public static void Launch(Activity act, PwEntry pw, int pos, bool closeAfterCreate) {
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Intent i;
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i = new Intent(act, typeof(EntryActivity));
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i.PutExtra(KEY_ENTRY, pw.Uuid.ToHexString());
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i.PutExtra(KEY_REFRESH_POS, pos);
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i.PutExtra(KEY_CLOSE_AFTER_CREATE, closeAfterCreate);
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act.StartActivityForResult(i,0);
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}
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protected PwEntry mEntry;
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private bool mShowPassword;
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private int mPos;
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protected void setEntryView() {
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SetContentView(Resource.Layout.entry_view);
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}
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protected void setupEditButtons() {
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Button edit = (Button) FindViewById(Resource.Id.entry_edit);
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edit.Click += (sender, e) => {
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EntryEditActivity.Launch(this, mEntry);
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};
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}
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protected override void OnCreate(Bundle savedInstanceState)
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{
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ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(this);
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mShowPassword = ! prefs.GetBoolean(GetString(Resource.String.maskpass_key), Resources.GetBoolean(Resource.Boolean.maskpass_default));
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base.OnCreate(savedInstanceState);
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setEntryView();
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Context appCtx = ApplicationContext;
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Database db = App.getDB();
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// Likely the app has been killed exit the activity
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if (! db.Loaded)
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{
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Finish();
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return;
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}
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SetResult(KeePass.EXIT_NORMAL);
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Intent i = Intent;
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PwUuid uuid = new PwUuid(MemUtil.HexStringToByteArray(i.GetStringExtra(KEY_ENTRY)));
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mPos = i.GetIntExtra(KEY_REFRESH_POS, -1);
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bool closeAfterCreate = i.GetBooleanExtra(KEY_CLOSE_AFTER_CREATE, false);
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mEntry = db.entries [uuid];
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// Refresh Menu contents in case onCreateMenuOptions was called before mEntry was set
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ActivityCompat.invalidateOptionsMenu(this);
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// Update last access time.
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mEntry.Touch(false);
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if (PwDefs.IsTanEntry(mEntry) && prefs.GetBoolean(GetString(Resource.String.TanExpiresOnUse_key), Resources.GetBoolean(Resource.Boolean.TanExpiresOnUse_default)) && ((mEntry.Expires == false) || mEntry.ExpiryTime > DateTime.Now))
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{
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PwEntry backupEntry = mEntry.CloneDeep();
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mEntry.ExpiryTime = DateTime.Now;
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mEntry.Expires = true;
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mEntry.Touch(true);
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requiresRefresh();
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Handler handler = new Handler();
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UpdateEntry update = new UpdateEntry(this, App.getDB(), backupEntry, mEntry, new AfterSave(handler));
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ProgressTask pt = new ProgressTask(this, update, Resource.String.saving_database);
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pt.run();
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}
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fillData(false);
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setupEditButtons();
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Intent showNotIntent = new Intent(this, typeof(CopyToClipboardService));
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Intent.SetAction(Intents.SHOW_NOTIFICATION);
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showNotIntent.PutExtra(KEY_ENTRY, mEntry.Uuid.ToHexString());
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StartService(showNotIntent);
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Android.Util.Log.Debug("DEBUG", "Requesting copy to clipboard for Uuid=" + mEntry.Uuid.ToHexString());
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/*foreach (PwUuid key in App.getDB().entries.Keys)
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{
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Android.Util.Log.Debug("DEBUG",key.ToHexString() + " -> " + App.getDB().entries[key].Uuid.ToHexString());
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}*/
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if (closeAfterCreate)
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{
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Finish();
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}
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}
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private class AfterSave : OnFinish {
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public AfterSave(Handler handler):base(handler) {
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}
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public override void run() {
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base.run();
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}
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};
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private String getDateTime(System.DateTime dt) {
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return dt.ToString ("g", CultureInfo.CurrentUICulture);
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}
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String concatTags(List<string> tags)
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{
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StringBuilder sb = new StringBuilder();
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foreach (string tag in tags)
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{
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sb.Append(tag);
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sb.Append(", ");
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}
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if (tags.Count > 0)
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sb.Remove(sb.Length-2,2);
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return sb.ToString();
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}
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void populateExtraStrings(bool trimList)
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{
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ViewGroup extraGroup = (ViewGroup)FindViewById(Resource.Id.extra_strings);
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if (trimList)
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{
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extraGroup.RemoveAllViews();
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}
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bool hasExtraFields = false;
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foreach (KeyValuePair<string, ProtectedString> pair in mEntry.Strings)
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{
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String key = pair.Key;
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if (!PwDefs.IsStandardField(key))
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{
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View view = new EntrySection(this, null, key, pair.Value.ReadString());
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extraGroup.AddView(view);
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hasExtraFields = true;
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}
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}
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FindViewById(Resource.Id.entry_extra_strings_label).Visibility = hasExtraFields ? ViewStates.Visible : ViewStates.Gone;
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}
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string writeBinaryToFile(string key)
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{
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ProtectedBinary pb = mEntry.Binaries.Get(key);
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System.Diagnostics.Debug.Assert(pb != null); if(pb == null) throw new ArgumentException();
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ISharedPreferences prefs = PreferenceManager.GetDefaultSharedPreferences(this);
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string binaryDirectory = prefs.GetString(GetString(Resource.String.BinaryDirectory_key),GetString(Resource.String.BinaryDirectory_default));
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var targetFile = new Java.IO.File(binaryDirectory,key);
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Java.IO.File parent = targetFile.ParentFile;
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if (parent == null || (parent.Exists() && ! parent.IsDirectory))
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{
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Toast.MakeText(this,
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Resource.String.error_invalid_path,
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ToastLength.Long).Show();
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return null;
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}
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if (! parent.Exists())
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{
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// Create parent dircetory
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if (! parent.Mkdirs())
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{
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Toast.MakeText(this,
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Resource.String.error_could_not_create_parent,
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ToastLength.Long).Show();
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return null;
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}
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}
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string filename = targetFile.AbsolutePath;
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byte[] pbData = pb.ReadData();
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try { System.IO.File.WriteAllBytes(filename, pbData); }
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catch(Exception exWrite)
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{
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Toast.MakeText(this, GetString(Resource.String.SaveAttachment_Failed, new Java.Lang.Object[]{ filename})
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+exWrite.Message,ToastLength.Long).Show();
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return null;
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}
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finally
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{
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MemUtil.ZeroByteArray(pbData);
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}
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return filename;
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}
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void openBinaryFile(string filename)
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{
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String theMIMEType = getMimeType(filename);
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if (theMIMEType != null)
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{
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Intent theIntent = new Intent(Intent.ActionView);
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theIntent.AddFlags(ActivityFlags.NewTask | ActivityFlags.ExcludeFromRecents);
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theIntent.SetDataAndType(Android.Net.Uri.FromFile(new Java.IO.File(filename)), theMIMEType);
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try
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{
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StartActivity(theIntent);
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}
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catch (ActivityNotFoundException anfe)
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{
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//ignore
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Toast.MakeText(this, "Couldn't open file", ToastLength.Short).Show();
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}
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}
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}
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void populateBinaries(bool trimList)
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{
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ViewGroup binariesGroup = (ViewGroup)FindViewById(Resource.Id.binaries);
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if (trimList)
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{
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binariesGroup.RemoveAllViews();
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}
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foreach (KeyValuePair<string, ProtectedBinary> pair in mEntry.Binaries)
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{
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String key = pair.Key;
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Button binaryButton = new Button(this);
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RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.FillParent, RelativeLayout.LayoutParams.WrapContent);
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binaryButton.Text = key;
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binaryButton.SetCompoundDrawablesWithIntrinsicBounds( Resources.GetDrawable(Android.Resource.Drawable.IcMenuSave),null, null, null);
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binaryButton.Click += (object sender, EventArgs e) =>
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{
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Button btnSender = (Button)(sender);
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string newFilename = writeBinaryToFile(btnSender.Text);
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if (newFilename != null)
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{
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Toast.MakeText(this, GetString(Resource.String.SaveAttachment_doneMessage, new Java.Lang.Object[]{newFilename}), ToastLength.Short).Show();
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openBinaryFile(newFilename);
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}
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};
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binariesGroup.AddView(binaryButton,layoutParams);
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}
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FindViewById(Resource.Id.entry_binaries_label).Visibility = mEntry.Binaries.UCount > 0 ? ViewStates.Visible : ViewStates.Gone;
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}
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// url = file path or whatever suitable URL you want.
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public static String getMimeType(String url)
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{
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String type = null;
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String extension = MimeTypeMap.GetFileExtensionFromUrl(url);
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if (extension != null) {
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MimeTypeMap mime = MimeTypeMap.Singleton;
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type = mime.GetMimeTypeFromExtension(extension);
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}
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return type;
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}
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protected void fillData(bool trimList)
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{
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ImageView iv = (ImageView)FindViewById(Resource.Id.entry_icon);
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App.getDB().drawFactory.assignDrawableTo(iv, Resources, App.getDB().pm, mEntry.IconId, mEntry.CustomIconUuid);
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//populateText(Resource.Id.entry_title, mEntry.Strings.ReadSafe(PwDefs.TitleField));
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var button = ((Button)FindViewById(Resource.Id.entry_title));
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button.Text = mEntry.Strings.ReadSafe(PwDefs.TitleField);
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button.Click += (object sender, EventArgs e) => {
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Finish(); };
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populateText(Resource.Id.entry_user_name, Resource.Id.entry_user_name_label, mEntry.Strings.ReadSafe(PwDefs.UserNameField));
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populateText(Resource.Id.entry_url, Resource.Id.entry_url_label, mEntry.Strings.ReadSafe(PwDefs.UrlField));
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populateText(Resource.Id.entry_password, Resource.Id.entry_password_label, mEntry.Strings.ReadSafe(PwDefs.PasswordField));
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setPasswordStyle();
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populateText(Resource.Id.entry_created, Resource.Id.entry_created_label, getDateTime(mEntry.CreationTime));
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populateText(Resource.Id.entry_modified, Resource.Id.entry_modified_label, getDateTime(mEntry.LastModificationTime));
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populateText(Resource.Id.entry_accessed, Resource.Id.entry_accessed_label, getDateTime(mEntry.LastAccessTime));
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if (mEntry.Expires)
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{
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populateText(Resource.Id.entry_expires, Resource.Id.entry_expires_label, getDateTime(mEntry.ExpiryTime));
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} else
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{
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populateText(Resource.Id.entry_expires, Resource.Id.entry_expires_label, Resource.String.never);
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}
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populateText(Resource.Id.entry_comment, Resource.Id.entry_comment_label, mEntry.Strings.ReadSafe(PwDefs.NotesField));
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populateText(Resource.Id.entry_tags, Resource.Id.entry_tags_label, concatTags(mEntry.Tags));
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populateText(Resource.Id.entry_override_url, Resource.Id.entry_override_url_label, mEntry.OverrideUrl);
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populateExtraStrings(trimList);
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populateBinaries(trimList);
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}
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private void populateText(int viewId, int headerViewId,int resId) {
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View header = FindViewById(headerViewId);
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TextView tv = (TextView)FindViewById(viewId);
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header.Visibility = tv.Visibility = ViewStates.Visible;
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tv.SetText (resId);
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}
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private void populateText(int viewId, int headerViewId, String text)
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{
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View header = FindViewById(headerViewId);
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TextView tv = (TextView)FindViewById(viewId);
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if (String.IsNullOrEmpty(text))
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{
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header.Visibility = tv.Visibility = ViewStates.Gone;
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}
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else
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{
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header.Visibility = tv.Visibility = ViewStates.Visible;
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tv.Text = text;
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}
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}
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void requiresRefresh ()
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{
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Intent ret = new Intent ();
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ret.PutExtra (KEY_REFRESH_POS, mPos);
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SetResult (KeePass.EXIT_REFRESH, ret);
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}
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protected override void OnActivityResult(int requestCode, Result resultCode, Intent data) {
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base.OnActivityResult(requestCode, resultCode, data);
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if ( resultCode == KeePass.EXIT_REFRESH || resultCode == KeePass.EXIT_REFRESH_TITLE ) {
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fillData(true);
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if ( resultCode == KeePass.EXIT_REFRESH_TITLE ) {
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requiresRefresh ();
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}
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}
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}
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public override bool OnCreateOptionsMenu(IMenu menu) {
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base.OnCreateOptionsMenu(menu);
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MenuInflater inflater = MenuInflater;
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inflater.Inflate(Resource.Menu.entry, menu);
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IMenuItem togglePassword = menu.FindItem(Resource.Id.menu_toggle_pass);
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if ( mShowPassword ) {
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togglePassword.SetTitle(Resource.String.menu_hide_password);
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} else {
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togglePassword.SetTitle(Resource.String.show_password);
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}
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IMenuItem gotoUrl = menu.FindItem(Resource.Id.menu_goto_url);
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//Disabled IMenuItem copyUser = menu.FindItem(Resource.Id.menu_copy_user);
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//Disabled IMenuItem copyPass = menu.FindItem(Resource.Id.menu_copy_pass);
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// In API >= 11 onCreateOptionsMenu may be called before onCreate completes
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// so mEntry may not be set
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if (mEntry == null) {
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gotoUrl.SetVisible(false);
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//Disabled copyUser.SetVisible(false);
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//Disabled copyPass.SetVisible(false);
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}
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else {
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String url = mEntry.Strings.ReadSafe (PwDefs.UrlField);
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if (String.IsNullOrEmpty(url)) {
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// disable button if url is not available
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gotoUrl.SetVisible(false);
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}
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if ( String.IsNullOrEmpty(mEntry.Strings.ReadSafe(PwDefs.UserNameField ))) {
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// disable button if username is not available
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//Disabled copyUser.SetVisible(false);
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}
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if ( String.IsNullOrEmpty(mEntry.Strings.ReadSafe(PwDefs.PasswordField ))) {
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// disable button if password is not available
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//Disabled copyPass.SetVisible(false);
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}
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}
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return true;
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}
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private void setPasswordStyle() {
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TextView password = (TextView) FindViewById(Resource.Id.entry_password);
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if ( mShowPassword ) {
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password.TransformationMethod = null;
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} else {
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password.TransformationMethod = PasswordTransformationMethod.Instance;
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}
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}
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public override bool OnOptionsItemSelected(IMenuItem item) {
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switch ( item.ItemId ) {
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/*case Resource.Id.menu_donate:
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try {
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Util.gotoUrl(this, Resource.String.donate_url);
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} catch (ActivityNotFoundException) {
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Toast.MakeText(this, Resource.String.error_failed_to_launch_link, ToastLength.Long).Show();
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return false;
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}
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return true;*/
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case Resource.Id.menu_toggle_pass:
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if ( mShowPassword ) {
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item.SetTitle(Resource.String.show_password);
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mShowPassword = false;
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} else {
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item.SetTitle(Resource.String.menu_hide_password);
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mShowPassword = true;
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}
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setPasswordStyle();
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return true;
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case Resource.Id.menu_goto_url:
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String url;
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url = mEntry.Strings.ReadSafe (PwDefs.UserNameField);
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// Default http:// if no protocol specified
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if ( ! url.Contains("://") ) {
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url = "http://" + url;
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}
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try {
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Util.gotoUrl(this, url);
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} catch (ActivityNotFoundException) {
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Toast.MakeText(this, Resource.String.no_url_handler, ToastLength.Long).Show();
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}
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return true;
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/* TODO: required?
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case Resource.Id.menu_copy_user:
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timeoutCopyToClipboard(mEntry.Strings.ReadSafe (PwDefs.UserNameField));
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return true;
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case Resource.Id.menu_copy_pass:
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timeoutCopyToClipboard(mEntry.Strings.ReadSafe (PwDefs.UserNameField));
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return true;
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*/
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case Resource.Id.menu_lock:
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App.setShutdown();
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SetResult(KeePass.EXIT_LOCK);
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Finish();
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return true;
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}
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return base.OnOptionsItemSelected(item);
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}
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}
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}
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