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
|
package se.leap.bitmaskclient.providersetup;
import static se.leap.bitmaskclient.R.string.malformed_url;
import static se.leap.bitmaskclient.base.models.Constants.PROVIDER_KEY;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.DELAY;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.ERRORS;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.MISSING_NETWORK_CONNECTION;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.PARAMETERS;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.PROVIDER_NOK;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.RECEIVER_KEY;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.TOR_EXCEPTION;
import static se.leap.bitmaskclient.providersetup.ProviderAPI.TOR_TIMEOUT;
import static se.leap.bitmaskclient.providersetup.ProviderApiManagerV5.PROXY_HOST;
import static se.leap.bitmaskclient.providersetup.ProviderApiManagerV5.SOCKS_PROXY_SCHEME;
import static se.leap.bitmaskclient.providersetup.ProviderSetupFailedDialog.DOWNLOAD_ERRORS.ERROR_TOR_TIMEOUT;
import static se.leap.bitmaskclient.providersetup.ProviderSetupObservable.DOWNLOADED_PROVIDER_JSON;
import static se.leap.bitmaskclient.tor.TorStatusObservable.TorStatus.OFF;
import android.content.Intent;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.ResultReceiver;
import android.util.Log;
import androidx.core.content.IntentCompat;
import org.jetbrains.annotations.Blocking;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.concurrent.TimeoutException;
import de.blinkt.openvpn.core.VpnStatus;
import mobile.BitmaskMobile;
import se.leap.bitmaskclient.BuildConfig;
import se.leap.bitmaskclient.R;
import se.leap.bitmaskclient.base.models.Provider;
import se.leap.bitmaskclient.base.utils.ConfigHelper;
import se.leap.bitmaskclient.base.utils.PreferenceHelper;
import se.leap.bitmaskclient.tor.TorStatusObservable;
public class ProviderApiManager extends ProviderApiManagerBase {
public static final String TAG = ProviderApiManager.class.getSimpleName();
public final ProviderApiManagerFactory versionedApiFactory;
public ProviderApiManager(Resources resources, ProviderApiManagerBase.ProviderApiServiceCallback callback) {
super(resources, callback);
this.versionedApiFactory = new ProviderApiManagerFactory(resources, callback);
}
@Blocking
public void handleIntent(Intent command) {
ResultReceiver receiver = null;
if (command.getParcelableExtra(RECEIVER_KEY) != null) {
receiver = command.getParcelableExtra(RECEIVER_KEY);
}
String action = command.getAction();
Bundle parameters = command.getBundleExtra(PARAMETERS);
if (action == null) {
Log.e(TAG, "Intent without action sent!");
return;
}
Provider provider = null;
if (command.hasExtra(PROVIDER_KEY)) {
provider = IntentCompat.getParcelableExtra(command, PROVIDER_KEY, Provider.class);
} else {
//TODO: consider returning error back e.g. NO_PROVIDER
Log.e(TAG, action + " called without provider!");
return;
}
if (parameters.containsKey(DELAY)) {
try {
Thread.sleep(parameters.getLong(DELAY));
} catch (InterruptedException e) {
e.printStackTrace();
}
}
if (!serviceCallback.hasNetworkConnection()) {
Bundle result = new Bundle();
eventSender.setErrorResult(result, R.string.error_network_connection, null);
eventSender.sendToReceiverOrBroadcast(receiver, MISSING_NETWORK_CONNECTION, result, provider);
return;
}
Bundle result = new Bundle();
try {
if (PreferenceHelper.hasSnowflakePrefs() && !VpnStatus.isVPNActive()) {
torHandler.startTorProxy();
}
} catch (InterruptedException | IllegalStateException e) {
e.printStackTrace();
eventSender.setErrorResultAction(result, action);
eventSender.sendToReceiverOrBroadcast(receiver, TOR_EXCEPTION, result, provider);
return;
} catch (TimeoutException e) {
torHandler.stopTorProxy();
eventSender.setErrorResult(result, R.string.error_tor_timeout, ERROR_TOR_TIMEOUT.toString(), action);
eventSender.sendToReceiverOrBroadcast(receiver, TOR_TIMEOUT, result, provider);
return;
}
if (!provider.hasDefinition()) {
result = downloadProviderDefinition(result, provider);
if (result.containsKey(ERRORS)) {
eventSender.sendToReceiverOrBroadcast(receiver, PROVIDER_NOK, result, provider);
return;
}
}
IProviderApiManager apiManager = versionedApiFactory.getProviderApiManager(provider);
apiManager.handleAction(action, provider, parameters, receiver);
}
private Bundle downloadProviderDefinition(Bundle result, Provider provider) {
getPersistedProviderUpdates(provider);
if (provider.hasDefinition()) {
return result;
}
try {
String providerString = fetch(provider, true);
if (ConfigHelper.checkErroneousDownload(providerString) || !isValidJson(providerString)) {
return eventSender.setErrorResult(result, malformed_url, null);
}
JSONObject jsonObject = new JSONObject(providerString);
provider.define(jsonObject);
provider.setModelsProvider(providerString);
ProviderSetupObservable.updateProgress(DOWNLOADED_PROVIDER_JSON);
} catch (Exception e) {
return eventSender.setErrorResult(result, R.string.malformed_url, null);
}
return result;
}
private String fetch(Provider provider, Boolean allowRetry) {
BitmaskMobile bm;
try {
bm = new BitmaskMobile(provider.getMainUrl(), new PreferenceHelper.SharedPreferenceStore());
bm.setDebug(BuildConfig.DEBUG);
if (TorStatusObservable.isRunning() && TorStatusObservable.getSocksProxyPort() != -1) {
bm.setSocksProxy(SOCKS_PROXY_SCHEME + PROXY_HOST + ":" + TorStatusObservable.getSocksProxyPort());
} else if (provider.hasIntroducer()) {
bm.setIntroducer(provider.getIntroducer().toUrl());
}
return bm.getProvider();
} catch (Exception e) {
e.printStackTrace();
try {
if (allowRetry &&
TorStatusObservable.getStatus() == OFF &&
torHandler.startTorProxy()
) {
return fetch(provider, false);
}
} catch (InterruptedException | TimeoutException ex) {
ex.printStackTrace();
}
}
return null;
}
}
|
