aboutsummaryrefslogtreecommitdiffstats
path: root/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateKeyFinalFragment.java
blob: b53bfc1d09937510e58e5c63e948f044509f4076 (plain)
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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
/*
 * Copyright (C) 2014-2015 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;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.TextView;

import org.bouncycastle.bcpg.sig.KeyFlags;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.results.EditKeyResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.operations.results.UploadResult;
import org.sufficientlysecure.keychain.pgp.KeyRing;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Algorithm;
import org.sufficientlysecure.keychain.service.SaveKeyringParcel.ChangeUnlockParcel;
import org.sufficientlysecure.keychain.service.UploadKeyringParcel;
import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction;
import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.Passphrase;
import org.sufficientlysecure.keychain.util.Preferences;

import java.util.Date;
import java.util.Iterator;

public class CreateKeyFinalFragment extends Fragment {

    public static final int REQUEST_EDIT_KEY = 0x00008007;

    TextView mNameEdit;
    TextView mEmailEdit;
    CheckBox mUploadCheckbox;
    View mBackButton;
    View mCreateButton;
    View mCustomKeyLayout;
    Button mCustomKeyRevertButton;

    SaveKeyringParcel mSaveKeyringParcel;

    private CryptoOperationHelper<UploadKeyringParcel, UploadResult> mUploadOpHelper;
    private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mCreateOpHelper;
    private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mMoveToCardOpHelper;

    // queued results which may trigger delayed actions
    private EditKeyResult mQueuedSaveKeyResult;
    private OperationResult mQueuedFinishResult;
    private EditKeyResult mQueuedDisplayResult;

    public static CreateKeyFinalFragment newInstance() {
        CreateKeyFinalFragment frag = new CreateKeyFinalFragment();
        frag.setRetainInstance(true);

        Bundle args = new Bundle();
        frag.setArguments(args);

        return frag;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.create_key_final_fragment, container, false);

        mNameEdit = (TextView) view.findViewById(R.id.name);
        mEmailEdit = (TextView) view.findViewById(R.id.email);
        mUploadCheckbox = (CheckBox) view.findViewById(R.id.create_key_upload);
        mBackButton = view.findViewById(R.id.create_key_back_button);
        mCreateButton = view.findViewById(R.id.create_key_next_button);
        mCustomKeyLayout = view.findViewById(R.id.custom_key_layout);
        mCustomKeyRevertButton = (Button) view.findViewById(R.id.revert_key_configuration);

        CreateKeyActivity createKeyActivity = (CreateKeyActivity) getActivity();

        // set values
        mNameEdit.setText(createKeyActivity.mName);
        if (createKeyActivity.mAdditionalEmails != null && createKeyActivity.mAdditionalEmails.size() > 0) {
            String emailText = createKeyActivity.mEmail + ", ";
            Iterator<?> it = createKeyActivity.mAdditionalEmails.iterator();
            while (it.hasNext()) {
                Object next = it.next();
                emailText += next;
                if (it.hasNext()) {
                    emailText += ", ";
                }
            }
            mEmailEdit.setText(emailText);
        } else {
            mEmailEdit.setText(createKeyActivity.mEmail);
        }

        mCreateButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                createKey();
            }
        });

        mCustomKeyRevertButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                keyConfigRevertToDefault();
            }
        });

        mBackButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                CreateKeyActivity createKeyActivity = (CreateKeyActivity) getActivity();
                if (createKeyActivity != null) {
                    createKeyActivity.loadFragment(null, FragAction.TO_LEFT);
                }
            }
        });

        // If this is a debug build, don't upload by default
        if (Constants.DEBUG) {
            mUploadCheckbox.setChecked(false);
        }

        return view;
    }

    @Override
    public void onPrepareOptionsMenu(Menu menu) {
        CreateKeyActivity createKeyActivity = (CreateKeyActivity) getActivity();

        MenuItem editItem = menu.findItem(R.id.menu_create_key_edit);
        editItem.setEnabled(!createKeyActivity.mCreateSecurityToken);

        super.onPrepareOptionsMenu(menu);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.create_key_final, menu);

        super.onCreateOptionsMenu(menu, inflater);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {

            case R.id.menu_create_key_edit:
                Intent edit = new Intent(getActivity(), EditKeyActivity.class);
                edit.putExtra(EditKeyActivity.EXTRA_SAVE_KEYRING_PARCEL, mSaveKeyringParcel);
                startActivityForResult(edit, REQUEST_EDIT_KEY);
                return true;

            default:
                return super.onOptionsItemSelected(item);
        }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (mCreateOpHelper != null) {
            mCreateOpHelper.handleActivityResult(requestCode, resultCode, data);
        }
        if (mMoveToCardOpHelper != null) {
            mMoveToCardOpHelper.handleActivityResult(requestCode, resultCode, data);
        }
        if (mUploadOpHelper != null) {
            mUploadOpHelper.handleActivityResult(requestCode, resultCode, data);
        }

        switch (requestCode) {
            case REQUEST_EDIT_KEY: {
                if (resultCode == Activity.RESULT_OK) {
                    SaveKeyringParcel customKeyConfiguration =
                            data.getParcelableExtra(EditKeyActivity.EXTRA_SAVE_KEYRING_PARCEL);
                    keyConfigUseCustom(customKeyConfiguration);
                }
                break;
            }

            default:
                super.onActivityResult(requestCode, resultCode, data);
        }
    }

    public void keyConfigUseCustom(SaveKeyringParcel customKeyConfiguration) {
        mSaveKeyringParcel = customKeyConfiguration;
        mCustomKeyLayout.setVisibility(View.VISIBLE);
    }

    public void keyConfigRevertToDefault() {
        Activity activity = getActivity();
        if (activity == null) {
            return;
        }
        mSaveKeyringParcel = createDefaultSaveKeyringParcel((CreateKeyActivity) activity);
        mCustomKeyLayout.setVisibility(View.GONE);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        // We have a menu item to show in action bar.
        setHasOptionsMenu(true);

        if (mSaveKeyringParcel == null) {
            keyConfigRevertToDefault();
        }

        // handle queued actions

        if (mQueuedFinishResult != null) {
            finishWithResult(mQueuedFinishResult);
            return;
        }

        if (mQueuedDisplayResult != null) {
            try {
                displayResult(mQueuedDisplayResult);
            } finally {
                // clear after operation, note that this may drop the operation if it didn't
                // work when called from here!
                mQueuedDisplayResult = null;
            }
        }

        if (mQueuedSaveKeyResult != null) {
            try {
                uploadKey(mQueuedSaveKeyResult);
            } finally {
                // see above
                mQueuedSaveKeyResult = null;
            }
        }

    }

    private static SaveKeyringParcel createDefaultSaveKeyringParcel(CreateKeyActivity createKeyActivity) {
        SaveKeyringParcel saveKeyringParcel = new SaveKeyringParcel();

        if (createKeyActivity.mCreateSecurityToken) {
            saveKeyringParcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Algorithm.RSA,
                    2048, null, KeyFlags.SIGN_DATA | KeyFlags.CERTIFY_OTHER, 0L));
            saveKeyringParcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Algorithm.RSA,
                    2048, null, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE, 0L));
            saveKeyringParcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Algorithm.RSA,
                    2048, null, KeyFlags.AUTHENTICATION, 0L));

            // use empty passphrase
            saveKeyringParcel.mNewUnlock = new ChangeUnlockParcel(new Passphrase(), null);
        } else {
            saveKeyringParcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Algorithm.RSA,
                    4096, null, KeyFlags.CERTIFY_OTHER, 0L));
            saveKeyringParcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Algorithm.RSA,
                    4096, null, KeyFlags.SIGN_DATA, 0L));
            saveKeyringParcel.mAddSubKeys.add(new SaveKeyringParcel.SubkeyAdd(Algorithm.RSA,
                    4096, null, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE, 0L));

            saveKeyringParcel.mNewUnlock = createKeyActivity.mPassphrase != null
                    ? new ChangeUnlockParcel(createKeyActivity.mPassphrase, null)
                    : null;
        }
        String userId = KeyRing.createUserId(
                new KeyRing.UserId(createKeyActivity.mName, createKeyActivity.mEmail, null)
        );
        saveKeyringParcel.mAddUserIds.add(userId);
        saveKeyringParcel.mChangePrimaryUserId = userId;
        if (createKeyActivity.mAdditionalEmails != null
                && createKeyActivity.mAdditionalEmails.size() > 0) {
            for (String email : createKeyActivity.mAdditionalEmails) {
                String thisUserId = KeyRing.createUserId(
                        new KeyRing.UserId(createKeyActivity.mName, email, null)
                );
                saveKeyringParcel.mAddUserIds.add(thisUserId);
            }
        }

        return saveKeyringParcel;
    }

    private void createKey() {
        CreateKeyActivity activity = (CreateKeyActivity) getActivity();
        if (activity == null) {
            // this is a ui-triggered action, nvm if it fails while detached!
            return;
        }

        final boolean createSecurityToken = activity.mCreateSecurityToken;

        CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult> createKeyCallback
                = new CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult>() {
            @Override
            public SaveKeyringParcel createOperationInput() {
                return mSaveKeyringParcel;
            }

            @Override
            public void onCryptoOperationSuccess(EditKeyResult result) {

                if (createSecurityToken) {
                    moveToCard(result);
                    return;
                }

                if (result.mMasterKeyId != null && mUploadCheckbox.isChecked()) {
                    // result will be displayed after upload
                    uploadKey(result);
                    return;
                }

                finishWithResult(result);
            }

            @Override
            public void onCryptoOperationCancelled() {

            }

            @Override
            public void onCryptoOperationError(EditKeyResult result) {
                displayResult(result);
            }

            @Override
            public boolean onCryptoSetProgress(String msg, int progress, int max) {
                return false;
            }
        };

        mCreateOpHelper = new CryptoOperationHelper<>(1, this, createKeyCallback, R.string.progress_building_key);
        mCreateOpHelper.cryptoOperation();
    }

    private void displayResult(EditKeyResult result) {
        Activity activity = getActivity();
        if (activity == null) {
            mQueuedDisplayResult = result;
            return;
        }
        result.createNotify(activity).show();
    }

    private void moveToCard(final EditKeyResult saveKeyResult) {
        CreateKeyActivity activity = (CreateKeyActivity) getActivity();

        final SaveKeyringParcel changeKeyringParcel;
        CachedPublicKeyRing key = (new ProviderHelper(activity))
                .getCachedPublicKeyRing(saveKeyResult.mMasterKeyId);
        try {
            changeKeyringParcel = new SaveKeyringParcel(key.getMasterKeyId(), key.getFingerprint());
        } catch (PgpKeyNotFoundException e) {
            Log.e(Constants.TAG, "Key that should be moved to Security Token not found in database!");
            return;
        }

        // define subkeys that should be moved to the card
        Cursor cursor = activity.getContentResolver().query(
                KeychainContract.Keys.buildKeysUri(changeKeyringParcel.mMasterKeyId),
                new String[]{KeychainContract.Keys.KEY_ID,}, null, null, null
        );
        try {
            while (cursor != null && cursor.moveToNext()) {
                long subkeyId = cursor.getLong(0);
                changeKeyringParcel.getOrCreateSubkeyChange(subkeyId).mMoveKeyToSecurityToken = true;
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }

        // define new PIN and Admin PIN for the card
        changeKeyringParcel.mSecurityTokenPin = activity.mSecurityTokenPin;
        changeKeyringParcel.mSecurityTokenAdminPin = activity.mSecurityTokenAdminPin;

        CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult> callback
                = new CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult>() {

            @Override
            public SaveKeyringParcel createOperationInput() {
                return changeKeyringParcel;
            }

            @Override
            public void onCryptoOperationSuccess(EditKeyResult result) {
                handleResult(result);
            }

            @Override
            public void onCryptoOperationCancelled() {

            }

            @Override
            public void onCryptoOperationError(EditKeyResult result) {
                handleResult(result);
            }

            public void handleResult(EditKeyResult result) {
                // merge logs of createKey with moveToCard
                saveKeyResult.getLog().add(result, 0);

                if (result.mMasterKeyId != null && mUploadCheckbox.isChecked()) {
                    // result will be displayed after upload
                    uploadKey(saveKeyResult);
                    return;
                }

                finishWithResult(saveKeyResult);
            }

            @Override
            public boolean onCryptoSetProgress(String msg, int progress, int max) {
                return false;
            }
        };


        mMoveToCardOpHelper = new CryptoOperationHelper<>(2, this, callback, R.string.progress_modify);
        mMoveToCardOpHelper.cryptoOperation(new CryptoInputParcel(new Date()));
    }

    private void uploadKey(final EditKeyResult saveKeyResult) {
        Activity activity = getActivity();
        // if the activity is gone at this point, there is nothing we can do!
        if (activity == null) {
            mQueuedSaveKeyResult = saveKeyResult;
            return;
        }

        // set data uri as path to keyring
        final long masterKeyId = saveKeyResult.mMasterKeyId;
        // upload to favorite keyserver
        final String keyserver = Preferences.getPreferences(activity).getPreferredKeyserver();

        CryptoOperationHelper.Callback<UploadKeyringParcel, UploadResult> callback
                = new CryptoOperationHelper.Callback<UploadKeyringParcel, UploadResult>() {

            @Override
            public UploadKeyringParcel createOperationInput() {
                return new UploadKeyringParcel(keyserver, masterKeyId);
            }

            @Override
            public void onCryptoOperationSuccess(UploadResult result) {
                handleResult(result);
            }

            @Override
            public void onCryptoOperationCancelled() {

            }

            @Override
            public void onCryptoOperationError(UploadResult result) {
                handleResult(result);
            }

            public void handleResult(UploadResult result) {
                saveKeyResult.getLog().add(result, 0);
                finishWithResult(saveKeyResult);
            }

            @Override
            public boolean onCryptoSetProgress(String msg, int progress, int max) {
                return false;
            }
        };

        mUploadOpHelper = new CryptoOperationHelper<>(3, this, callback, R.string.progress_uploading);
        mUploadOpHelper.cryptoOperation();
    }

    public void finishWithResult(OperationResult result) {
        Activity activity = getActivity();
        if (activity == null) {
            mQueuedFinishResult = result;
            return;
        }

        Intent data = new Intent();
        data.putExtra(OperationResult.EXTRA_RESULT, result);
        activity.setResult(Activity.RESULT_OK, data);
        activity.finish();
    }

}