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
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
|
/*
* Copyright (c) 2012-2016 Arne Schwabe
* Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
*/
package de.blinkt.openvpn.activities;
import android.Manifest;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.OpenableColumns;
import android.security.KeyChain;
import android.security.KeyChainAliasCallback;
import android.support.annotation.NonNull;
import android.text.TextUtils;
import android.util.Base64;
import android.util.Pair;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import junit.framework.Assert;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Vector;
import de.blinkt.openvpn.R;
import de.blinkt.openvpn.VpnProfile;
import de.blinkt.openvpn.core.ConfigParser;
import de.blinkt.openvpn.core.ConfigParser.ConfigParseError;
import de.blinkt.openvpn.core.ProfileManager;
import de.blinkt.openvpn.fragments.Utils;
import de.blinkt.openvpn.views.FileSelectLayout;
import static de.blinkt.openvpn.views.FileSelectLayout.FileSelectCallback;
public class ConfigConverter extends BaseActivity implements FileSelectCallback, View.OnClickListener {
public static final String IMPORT_PROFILE = "de.blinkt.openvpn.IMPORT_PROFILE";
private static final int RESULT_INSTALLPKCS12 = 7;
private static final int CHOOSE_FILE_OFFSET = 1000;
public static final String VPNPROFILE = "vpnProfile";
private static final int PERMISSION_REQUEST_EMBED_FILES = 37231;
private static final int PERMISSION_REQUEST_READ_URL = PERMISSION_REQUEST_EMBED_FILES + 1;
private VpnProfile mResult;
private transient List<String> mPathsegments;
private String mAliasName = null;
private Map<Utils.FileType, FileSelectLayout> fileSelectMap = new HashMap<>();
private String mEmbeddedPwFile;
private Vector<String> mLogEntries = new Vector<>();
private Uri mSourceUri;
private EditText mProfilename;
private AsyncTask<Void, Void, Integer> mImportTask;
private LinearLayout mLogLayout;
private TextView mProfilenameLabel;
@Override
public void onClick(View v) {
if (v.getId() == R.id.fab_save)
userActionSaveProfile();
if (v.getId() == R.id.permssion_hint && Build.VERSION.SDK_INT == Build.VERSION_CODES.M)
doRequestSDCardPermission(PERMISSION_REQUEST_EMBED_FILES);
}
@TargetApi(Build.VERSION_CODES.M)
private void doRequestSDCardPermission(int requestCode) {
requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, requestCode);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
// Permission declined, do nothing
if (grantResults.length == 0 || grantResults[0] == PackageManager.PERMISSION_DENIED)
return;
// Reset file select dialogs
findViewById(R.id.files_missing_hint).setVisibility(View.GONE);
findViewById(R.id.permssion_hint).setVisibility(View.GONE);
LinearLayout fileroot = (LinearLayout) findViewById(R.id.config_convert_root);
for (int i = 0; i < fileroot.getChildCount(); ) {
if (fileroot.getChildAt(i) instanceof FileSelectLayout)
fileroot.removeViewAt(i);
else
i++;
}
if (requestCode == PERMISSION_REQUEST_EMBED_FILES)
embedFiles(null);
else if (requestCode == PERMISSION_REQUEST_READ_URL) {
if (mSourceUri != null)
doImportUri(mSourceUri);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == R.id.cancel) {
setResult(Activity.RESULT_CANCELED);
finish();
} else if (item.getItemId() == R.id.ok) {
return userActionSaveProfile();
}
return super.onOptionsItemSelected(item);
}
private boolean userActionSaveProfile() {
if (mResult == null) {
log(R.string.import_config_error);
Toast.makeText(this, R.string.import_config_error, Toast.LENGTH_LONG).show();
return true;
}
mResult.mName = mProfilename.getText().toString();
ProfileManager vpl = ProfileManager.getInstance(this);
if (vpl.getProfileByName(mResult.mName) != null) {
mProfilename.setError(getString(R.string.duplicate_profile_name));
return true;
}
Intent in = installPKCS12();
if (in != null)
startActivityForResult(in, RESULT_INSTALLPKCS12);
else
saveProfile();
return true;
}
@Override
protected void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
if (mResult != null)
outState.putSerializable(VPNPROFILE, mResult);
outState.putString("mAliasName", mAliasName);
String[] logentries = mLogEntries.toArray(new String[mLogEntries.size()]);
outState.putStringArray("logentries", logentries);
int[] fileselects = new int[fileSelectMap.size()];
int k = 0;
for (Utils.FileType key : fileSelectMap.keySet()) {
fileselects[k] = key.getValue();
k++;
}
outState.putIntArray("fileselects", fileselects);
outState.putString("pwfile", mEmbeddedPwFile);
outState.putParcelable("mSourceUri", mSourceUri);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent result) {
if (requestCode == RESULT_INSTALLPKCS12 && resultCode == Activity.RESULT_OK) {
showCertDialog();
}
if (resultCode == Activity.RESULT_OK && requestCode >= CHOOSE_FILE_OFFSET) {
Utils.FileType type = Utils.FileType.getFileTypeByValue(requestCode - CHOOSE_FILE_OFFSET);
FileSelectLayout fs = fileSelectMap.get(type);
fs.parseResponse(result, this);
String data = fs.getData();
switch (type) {
case USERPW_FILE:
mEmbeddedPwFile = data;
break;
case PKCS12:
mResult.mPKCS12Filename = data;
break;
case TLS_AUTH_FILE:
mResult.mTLSAuthFilename = data;
break;
case CA_CERTIFICATE:
mResult.mCaFilename = data;
break;
case CLIENT_CERTIFICATE:
mResult.mClientCertFilename = data;
break;
case KEYFILE:
mResult.mClientKeyFilename = data;
break;
case CRL_FILE:
mResult.mCrlFilename = data;
break;
default:
Assert.fail();
}
}
super.onActivityResult(requestCode, resultCode, result);
}
private void saveProfile() {
Intent result = new Intent();
ProfileManager vpl = ProfileManager.getInstance(this);
if (!TextUtils.isEmpty(mEmbeddedPwFile))
ConfigParser.useEmbbedUserAuth(mResult, mEmbeddedPwFile);
vpl.addProfile(mResult);
vpl.saveProfile(this, mResult);
vpl.saveProfileList(this);
result.putExtra(VpnProfile.EXTRA_PROFILEUUID, mResult.getUUID().toString());
setResult(Activity.RESULT_OK, result);
finish();
}
public void showCertDialog() {
try {
//noinspection WrongConstant
KeyChain.choosePrivateKeyAlias(this,
new KeyChainAliasCallback() {
public void alias(String alias) {
// Credential alias selected. Remember the alias selection for future use.
mResult.mAlias = alias;
saveProfile();
}
},
new String[]{"RSA"}, // List of acceptable key types. null for any
null, // issuer, null for any
mResult.mServerName, // host name of server requesting the cert, null if unavailable
-1, // port of server requesting the cert, -1 if unavailable
mAliasName); // alias to preselect, null if unavailable
} catch (ActivityNotFoundException anf) {
Builder ab = new AlertDialog.Builder(this);
ab.setTitle(R.string.broken_image_cert_title);
ab.setMessage(R.string.broken_image_cert);
ab.setPositiveButton(android.R.string.ok, null);
ab.show();
}
}
private Intent installPKCS12() {
if (!((CheckBox) findViewById(R.id.importpkcs12)).isChecked()) {
setAuthTypeToEmbeddedPKCS12();
return null;
}
String pkcs12datastr = mResult.mPKCS12Filename;
if (VpnProfile.isEmbedded(pkcs12datastr)) {
Intent inkeyIntent = KeyChain.createInstallIntent();
pkcs12datastr = VpnProfile.getEmbeddedContent(pkcs12datastr);
byte[] pkcs12data = Base64.decode(pkcs12datastr, Base64.DEFAULT);
inkeyIntent.putExtra(KeyChain.EXTRA_PKCS12, pkcs12data);
if (mAliasName.equals(""))
mAliasName = null;
if (mAliasName != null) {
inkeyIntent.putExtra(KeyChain.EXTRA_NAME, mAliasName);
}
return inkeyIntent;
}
return null;
}
private void setAuthTypeToEmbeddedPKCS12() {
if (VpnProfile.isEmbedded(mResult.mPKCS12Filename)) {
if (mResult.mAuthenticationType == VpnProfile.TYPE_USERPASS_KEYSTORE)
mResult.mAuthenticationType = VpnProfile.TYPE_USERPASS_PKCS12;
if (mResult.mAuthenticationType == VpnProfile.TYPE_KEYSTORE)
mResult.mAuthenticationType = VpnProfile.TYPE_PKCS12;
}
}
private String getUniqueProfileName(String possibleName) {
int i = 0;
ProfileManager vpl = ProfileManager.getInstance(this);
String newname = possibleName;
// Default to
if (mResult.mName != null && !ConfigParser.CONVERTED_PROFILE.equals(mResult.mName))
newname = mResult.mName;
while (newname == null || vpl.getProfileByName(newname) != null) {
i++;
if (i == 1)
newname = getString(R.string.converted_profile);
else
newname = getString(R.string.converted_profile_i, i);
}
return newname;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.import_menu, menu);
return true;
}
private String embedFile(String filename, Utils.FileType type, boolean onlyFindFileAndNullonNotFound) {
if (filename == null)
return null;
// Already embedded, nothing to do
if (VpnProfile.isEmbedded(filename))
return filename;
File possibleFile = findFile(filename, type);
if (possibleFile == null)
if (onlyFindFileAndNullonNotFound)
return null;
else
return filename;
else if (onlyFindFileAndNullonNotFound)
return possibleFile.getAbsolutePath();
else
return readFileContent(possibleFile, type == Utils.FileType.PKCS12);
}
private Pair<Integer, String> getFileDialogInfo(Utils.FileType type) {
int titleRes = 0;
String value = null;
switch (type) {
case KEYFILE:
titleRes = R.string.client_key_title;
if (mResult != null)
value = mResult.mClientKeyFilename;
break;
case CLIENT_CERTIFICATE:
titleRes = R.string.client_certificate_title;
if (mResult != null)
value = mResult.mClientCertFilename;
break;
case CA_CERTIFICATE:
titleRes = R.string.ca_title;
if (mResult != null)
value = mResult.mCaFilename;
break;
case TLS_AUTH_FILE:
titleRes = R.string.tls_auth_file;
if (mResult != null)
value = mResult.mTLSAuthFilename;
break;
case PKCS12:
titleRes = R.string.client_pkcs12_title;
if (mResult != null)
value = mResult.mPKCS12Filename;
break;
case USERPW_FILE:
titleRes = R.string.userpw_file;
value = mEmbeddedPwFile;
break;
case CRL_FILE:
titleRes = R.string.crl_file;
value = mResult.mCrlFilename;
break;
}
return Pair.create(titleRes, value);
}
private File findFile(String filename, Utils.FileType fileType) {
File foundfile = findFileRaw(filename);
if (foundfile == null && filename != null && !filename.equals("")) {
log(R.string.import_could_not_open, filename);
}
fileSelectMap.put(fileType, null);
return foundfile;
}
private void addMissingFileDialogs()
{
for (Map.Entry<Utils.FileType, FileSelectLayout> item: fileSelectMap.entrySet()) {
if (item.getValue()==null)
addFileSelectDialog(item.getKey());
}
}
private void addFileSelectDialog(Utils.FileType type) {
Pair<Integer, String> fileDialogInfo = getFileDialogInfo(type);
boolean isCert = type == Utils.FileType.CA_CERTIFICATE || type == Utils.FileType.CLIENT_CERTIFICATE;
FileSelectLayout fl = new FileSelectLayout(this, getString(fileDialogInfo.first), isCert, false);
fileSelectMap.put(type, fl);
fl.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
((LinearLayout) findViewById(R.id.config_convert_root)).addView(fl, 2);
findViewById(R.id.files_missing_hint).setVisibility(View.VISIBLE);
if (Build.VERSION.SDK_INT == Build.VERSION_CODES.M)
checkPermission();
fl.setData(fileDialogInfo.second, this);
int i = getFileLayoutOffset(type);
fl.setCaller(this, i, type);
}
@TargetApi(Build.VERSION_CODES.M)
private void checkPermission() {
if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
findViewById(R.id.permssion_hint).setVisibility(View.VISIBLE);
findViewById(R.id.permssion_hint).setOnClickListener(this);
}
}
private int getFileLayoutOffset(Utils.FileType type) {
return CHOOSE_FILE_OFFSET + type.getValue();
}
private File findFileRaw(String filename) {
if (filename == null || filename.equals(""))
return null;
// Try diffent path relative to /mnt/sdcard
File sdcard = Environment.getExternalStorageDirectory();
File root = new File("/");
HashSet<File> dirlist = new HashSet<>();
for (int i = mPathsegments.size() - 1; i >= 0; i--) {
String path = "";
for (int j = 0; j <= i; j++) {
path += "/" + mPathsegments.get(j);
}
// Do a little hackish dance for the Android File Importer
// /document/primary:ovpn/openvpn-imt.conf
if (path.indexOf(':') != -1 && path.lastIndexOf('/') > path.indexOf(':')) {
String possibleDir = path.substring(path.indexOf(':') + 1, path.length());
possibleDir = possibleDir.substring(0, possibleDir.lastIndexOf('/'));
dirlist.add(new File(sdcard, possibleDir));
}
dirlist.add(new File(path));
}
dirlist.add(sdcard);
dirlist.add(root);
String[] fileparts = filename.split("/");
for (File rootdir : dirlist) {
String suffix = "";
for (int i = fileparts.length - 1; i >= 0; i--) {
if (i == fileparts.length - 1)
suffix = fileparts[i];
else
suffix = fileparts[i] + "/" + suffix;
File possibleFile = new File(rootdir, suffix);
if (possibleFile.canRead())
return possibleFile;
}
}
return null;
}
String readFileContent(File possibleFile, boolean base64encode) {
byte[] filedata;
try {
filedata = readBytesFromFile(possibleFile);
} catch (IOException e) {
log(e.getLocalizedMessage());
return null;
}
String data;
if (base64encode) {
data = Base64.encodeToString(filedata, Base64.DEFAULT);
} else {
data = new String(filedata);
}
return VpnProfile.DISPLAYNAME_TAG + possibleFile.getName() + VpnProfile.INLINE_TAG + data;
}
private byte[] readBytesFromFile(File file) throws IOException {
InputStream input = new FileInputStream(file);
long len = file.length();
if (len > VpnProfile.MAX_EMBED_FILE_SIZE)
throw new IOException("File size of file to import too large.");
// Create the byte array to hold the data
byte[] bytes = new byte[(int) len];
// Read in the bytes
int offset = 0;
int bytesRead;
while (offset < bytes.length
&& (bytesRead = input.read(bytes, offset, bytes.length - offset)) >= 0) {
offset += bytesRead;
}
input.close();
return bytes;
}
void embedFiles(ConfigParser cp) {
// This where I would like to have a c++ style
// void embedFile(std::string & option)
if (mResult.mPKCS12Filename != null) {
File pkcs12file = findFileRaw(mResult.mPKCS12Filename);
if (pkcs12file != null) {
mAliasName = pkcs12file.getName().replace(".p12", "");
} else {
mAliasName = "Imported PKCS12";
}
}
mResult.mCaFilename = embedFile(mResult.mCaFilename, Utils.FileType.CA_CERTIFICATE, false);
mResult.mClientCertFilename = embedFile(mResult.mClientCertFilename, Utils.FileType.CLIENT_CERTIFICATE, false);
mResult.mClientKeyFilename = embedFile(mResult.mClientKeyFilename, Utils.FileType.KEYFILE, false);
mResult.mTLSAuthFilename = embedFile(mResult.mTLSAuthFilename, Utils.FileType.TLS_AUTH_FILE, false);
mResult.mPKCS12Filename = embedFile(mResult.mPKCS12Filename, Utils.FileType.PKCS12, false);
mResult.mCrlFilename = embedFile(mResult.mCrlFilename, Utils.FileType.CRL_FILE, true);
if (cp != null) {
mEmbeddedPwFile = cp.getAuthUserPassFile();
mEmbeddedPwFile = embedFile(cp.getAuthUserPassFile(), Utils.FileType.USERPW_FILE, false);
}
}
private void updateFileSelectDialogs() {
for (Map.Entry<Utils.FileType, FileSelectLayout> fl : fileSelectMap.entrySet()) {
fl.getValue().setData(getFileDialogInfo(fl.getKey()).second, this);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.config_converter);
ImageButton fab_button = (ImageButton) findViewById(R.id.fab_save);
if (fab_button != null) {
fab_button.setOnClickListener(this);
findViewById(R.id.fab_footerspace).setVisibility(View.VISIBLE);
}
mLogLayout = (LinearLayout) findViewById(R.id.config_convert_root);
mProfilename = (EditText) findViewById(R.id.profilename);
mProfilenameLabel = (TextView) findViewById(R.id.profilename_label);
if (savedInstanceState != null && savedInstanceState.containsKey(VPNPROFILE)) {
mResult = (VpnProfile) savedInstanceState.getSerializable(VPNPROFILE);
mAliasName = savedInstanceState.getString("mAliasName");
mEmbeddedPwFile = savedInstanceState.getString("pwfile");
mSourceUri = savedInstanceState.getParcelable("mSourceUri");
mProfilename.setText(mResult.mName);
if (savedInstanceState.containsKey("logentries")) {
//noinspection ConstantConditions
for (String logItem : savedInstanceState.getStringArray("logentries"))
log(logItem);
}
if (savedInstanceState.containsKey("fileselects")) {
//noinspection ConstantConditions
for (int k : savedInstanceState.getIntArray("fileselects")) {
addFileSelectDialog(Utils.FileType.getFileTypeByValue(k));
}
}
return;
}
final android.content.Intent intent = getIntent();
if (intent != null) {
doImportIntent(intent);
// We parsed the intent, relay on saved instance for restoring
setIntent(null);
}
}
private void doImportIntent(Intent intent) {
final Uri data = intent.getData();
if (data != null) {
mSourceUri = data;
doImportUri(data);
}
}
private void doImportUri(Uri data) {
//log(R.string.import_experimental);
log(R.string.importing_config, data.toString());
String possibleName = null;
if ((data.getScheme() != null && data.getScheme().equals("file")) ||
(data.getLastPathSegment() != null &&
(data.getLastPathSegment().endsWith(".ovpn") ||
data.getLastPathSegment().endsWith(".conf")))
) {
possibleName = data.getLastPathSegment();
if (possibleName.lastIndexOf('/') != -1)
possibleName = possibleName.substring(possibleName.lastIndexOf('/') + 1);
}
mPathsegments = data.getPathSegments();
Cursor cursor = getContentResolver().query(data, null, null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
int columnIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
if (columnIndex != -1) {
String displayName = cursor.getString(columnIndex);
if (displayName != null)
possibleName = displayName;
}
columnIndex = cursor.getColumnIndex("mime_type");
if (columnIndex != -1) {
log("Mime type: " + cursor.getString(columnIndex));
}
}
} finally {
if (cursor != null)
cursor.close();
}
if (possibleName != null) {
possibleName = possibleName.replace(".ovpn", "");
possibleName = possibleName.replace(".conf", "");
}
startImportTask(data, possibleName);
}
private void startImportTask(final Uri data, final String possibleName) {
mImportTask = new AsyncTask<Void, Void, Integer>() {
private ProgressBar mProgress;
@Override
protected void onPreExecute() {
mProgress = new ProgressBar(ConfigConverter.this);
addViewToLog(mProgress);
}
@Override
protected Integer doInBackground(Void... params) {
try {
InputStream is = getContentResolver().openInputStream(data);
doImport(is);
if (mResult==null)
return -3;
} catch (FileNotFoundException |
SecurityException se)
{
log(R.string.import_content_resolve_error + ":" + se.getLocalizedMessage());
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
checkMarschmallowFileImportError(data);
return -2;
}
return 0;
}
@Override
protected void onPostExecute(Integer errorCode) {
mLogLayout.removeView(mProgress);
addMissingFileDialogs();
updateFileSelectDialogs();
if (errorCode == 0) {
displayWarnings();
mResult.mName = getUniqueProfileName(possibleName);
mProfilename.setVisibility(View.VISIBLE);
mProfilenameLabel.setVisibility(View.VISIBLE);
mProfilename.setText(mResult.getName());
log(R.string.import_done);
}
}
}.execute();
}
@TargetApi(Build.VERSION_CODES.M)
private void checkMarschmallowFileImportError(Uri data) {
// Permission already granted, not the source of the error
if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED)
return;
// We got a file:/// URL and have no permission to read it. Technically an error of the calling app since
// it makes an assumption about other apps being able to read the url but well ...
if (data != null && "file".equals(data.getScheme()))
doRequestSDCardPermission(PERMISSION_REQUEST_READ_URL);
}
@Override
protected void onStart() {
super.onStart();
}
private void log(final String logmessage) {
runOnUiThread(new Runnable() {
@Override
public void run() {
TextView tv = new TextView(ConfigConverter.this);
mLogEntries.add(logmessage);
tv.setText(logmessage);
addViewToLog(tv);
}
});
}
private void addViewToLog(View view) {
mLogLayout.addView(view, mLogLayout.getChildCount() - 1);
}
private void doImport(InputStream is) {
ConfigParser cp = new ConfigParser();
try {
InputStreamReader isr = new InputStreamReader(is);
cp.parseConfig(isr);
mResult = cp.convertProfile();
embedFiles(cp);
return;
} catch (IOException | ConfigParseError e) {
log(R.string.error_reading_config_file);
log(e.getLocalizedMessage());
}
mResult = null;
}
private void displayWarnings() {
if (mResult.mUseCustomConfig) {
log(R.string.import_warning_custom_options);
String copt = mResult.mCustomConfigOptions;
if (copt.startsWith("#")) {
int until = copt.indexOf('\n');
copt = copt.substring(until + 1);
}
log(copt);
}
if (mResult.mAuthenticationType == VpnProfile.TYPE_KEYSTORE ||
mResult.mAuthenticationType == VpnProfile.TYPE_USERPASS_KEYSTORE) {
findViewById(R.id.importpkcs12).setVisibility(View.VISIBLE);
}
}
private void log(int ressourceId, Object... formatArgs) {
log(getString(ressourceId, formatArgs));
}
}
|