1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui.adapter;
import android.content.Context;
import android.support.v4.content.AsyncTaskLoader;
import android.support.v4.util.LongSparseArray;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.keyimport.ImportKeysListEntry;
import org.sufficientlysecure.keychain.keyimport.ParcelableKeyRing;
import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
import org.sufficientlysecure.keychain.util.InputData;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.PositionAwareInputStream;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
public class ImportKeysListLoader
extends AsyncTaskLoader<AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>> {
public static class NoValidKeysException extends Exception {
}
public static class NonPgpPartException extends Exception {
private int mCount;
public NonPgpPartException(int count) {
this.mCount = count;
}
public int getCount() {
return mCount;
}
}
final Context mContext;
final InputData mInputData;
ArrayList<ImportKeysListEntry> mData = new ArrayList<ImportKeysListEntry>();
LongSparseArray<ParcelableKeyRing> mParcelableRings = new LongSparseArray<ParcelableKeyRing>();
AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> mEntryListWrapper;
public ImportKeysListLoader(Context context, InputData inputData) {
super(context);
this.mContext = context;
this.mInputData = inputData;
}
@Override
public AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> loadInBackground() {
// This has already been loaded! nvm any further, just return
if (mEntryListWrapper != null) {
return mEntryListWrapper;
}
mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mData, null);
if (mInputData == null) {
Log.e(Constants.TAG, "Input data is null!");
return mEntryListWrapper;
}
generateListOfKeyrings(mInputData);
return mEntryListWrapper;
}
@Override
protected void onReset() {
super.onReset();
// Ensure the loader is stopped
onStopLoading();
}
@Override
protected void onStartLoading() {
forceLoad();
}
@Override
protected void onStopLoading() {
cancelLoad();
}
@Override
public void deliverResult(AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>> data) {
super.deliverResult(data);
}
public LongSparseArray<ParcelableKeyRing> getParcelableRings() {
return mParcelableRings;
}
/**
* Reads all PGPKeyRing objects from input
*
* @param inputData
* @return
*/
private void generateListOfKeyrings(InputData inputData) {
PositionAwareInputStream progressIn = new PositionAwareInputStream(
inputData.getInputStream());
// need to have access to the bufferedInput, so we can reuse it for the possible
// PGPObject chunks after the first one, e.g. files with several consecutive ASCII
// armor blocks
BufferedInputStream bufferedInput = new BufferedInputStream(progressIn);
try {
// parse all keyrings
Iterator<UncachedKeyRing> it = UncachedKeyRing.fromStream(bufferedInput);
while (it.hasNext()) {
UncachedKeyRing ring = it.next();
ImportKeysListEntry item = new ImportKeysListEntry(getContext(), ring);
mData.add(item);
mParcelableRings.put(item.hashCode(), new ParcelableKeyRing(ring.getEncoded()));
}
} catch (IOException e) {
Log.e(Constants.TAG, "IOException on parsing key file! Return NoValidKeysException!", e);
NoValidKeysException e1 = new NoValidKeysException();
mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>
(mData, e1);
} catch (Exception e) {
Log.e(Constants.TAG, "Other Exception on parsing key file!", e);
mEntryListWrapper = new AsyncTaskResultWrapper<ArrayList<ImportKeysListEntry>>(mData, e);
}
}
}
|
