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143 changes: 143 additions & 0 deletions
143
app/src/main/java/com/afwsamples/testdpc/CommonReceiverOperations.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| /* | ||
| * Copyright (C) 2018 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.afwsamples.testdpc; | ||
|
|
||
| import android.annotation.TargetApi; | ||
| import android.app.admin.DevicePolicyManager; | ||
| import android.app.admin.NetworkEvent; | ||
| import android.content.ComponentName; | ||
| import android.content.Context; | ||
| import android.os.AsyncTask; | ||
| import android.os.Build; | ||
| import android.os.Process; | ||
| import android.preference.PreferenceManager; | ||
| import android.support.v4.os.BuildCompat; | ||
| import android.text.TextUtils; | ||
| import android.util.Log; | ||
| import android.widget.Toast; | ||
|
|
||
| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.util.ArrayList; | ||
| import java.util.Date; | ||
| import java.util.List; | ||
|
|
||
| import static com.afwsamples.testdpc.policy.PolicyManagementFragment.OVERRIDE_KEY_SELECTION_KEY; | ||
|
|
||
| /** | ||
| * A class that implements common logic to handle direct and delegated admin callbacks | ||
| * from DeviceAdminReceiver and DelegatedAdminReceiver. | ||
| */ | ||
| public class CommonReceiverOperations { | ||
| public static final String NETWORK_LOGS_FILE_PREFIX = "network_logs_"; | ||
|
|
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| private static final String TAG = "AdminReceiver"; | ||
|
|
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| public static String onChoosePrivateKeyAlias(Context context, int uid) { | ||
| if (uid == Process.myUid()) { | ||
| // Always show the chooser if we were the one requesting the cert. | ||
| return null; | ||
| } | ||
|
|
||
| String chosenAlias = PreferenceManager.getDefaultSharedPreferences(context) | ||
| .getString(OVERRIDE_KEY_SELECTION_KEY, null); | ||
| if (!TextUtils.isEmpty(chosenAlias)) { | ||
| showToast(context, "Substituting private key alias: \"" + chosenAlias + "\""); | ||
| return chosenAlias; | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| @TargetApi(Build.VERSION_CODES.O) | ||
| public static void onNetworkLogsAvailable(Context context, ComponentName admin, long batchToken, | ||
| int networkLogsCount) { | ||
| Log.i(TAG, "onNetworkLogsAvailable(), batchToken: " + batchToken | ||
| + ", event count: " + networkLogsCount); | ||
|
|
||
| DevicePolicyManager dpm = | ||
| (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE); | ||
| List<NetworkEvent> events = null; | ||
| try { | ||
| events = dpm.retrieveNetworkLogs(admin, batchToken); | ||
| } catch (SecurityException e) { | ||
| Log.e(TAG, | ||
| "Exception while retrieving network logs batch with batchToken: " + batchToken | ||
| , e); | ||
| } | ||
|
|
||
| if (events == null) { | ||
| Log.e(TAG, "Failed to retrieve network logs batch with batchToken: " + batchToken); | ||
| showToast(context, context.getString( | ||
| R.string.on_network_logs_available_token_failure, batchToken)); | ||
| return; | ||
| } | ||
|
|
||
| showToast(context, | ||
| context.getString(R.string.on_network_logs_available_success, batchToken)); | ||
|
|
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| ArrayList<String> loggedEvents = new ArrayList<>(); | ||
| if (BuildCompat.isAtLeastP()) { | ||
| for (NetworkEvent event : events) { | ||
| loggedEvents.add(event.toString()); | ||
| } | ||
| } else { | ||
| events.forEach(event -> loggedEvents.add(event.toString())); | ||
| } | ||
| new EventSavingTask(context, batchToken, loggedEvents).execute(); | ||
| } | ||
|
|
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| private static class EventSavingTask extends AsyncTask<Void, Void, Void> { | ||
|
|
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| private Context mContext; | ||
| private long mBatchToken; | ||
| private List<String> mLoggedEvents; | ||
|
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| public EventSavingTask(Context context, long batchToken, ArrayList<String> loggedEvents) { | ||
| mContext = context; | ||
| mBatchToken = batchToken; | ||
| mLoggedEvents = loggedEvents; | ||
| } | ||
|
|
||
| @Override | ||
| protected Void doInBackground(Void... params) { | ||
| Date timestamp = new Date(); | ||
| String filename = NETWORK_LOGS_FILE_PREFIX + mBatchToken + "_" + timestamp.getTime() | ||
| + ".txt"; | ||
| File file = new File(mContext.getExternalFilesDir(null), filename); | ||
| try (OutputStream os = new FileOutputStream(file)) { | ||
| for (String event : mLoggedEvents) { | ||
| os.write((event + "\n").getBytes()); | ||
| } | ||
| Log.d(TAG, "Saved network logs to file: " + filename); | ||
| } catch (IOException e) { | ||
| Log.e(TAG, "Failed saving network events to file" + filename, e); | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
|
|
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| private static void showToast(Context context, String message) { | ||
| final String appName = context.getString(R.string.app_name); | ||
| Toast.makeText(context, String.format("[%s] %s", appName, message), | ||
| Toast.LENGTH_LONG) | ||
| .show(); | ||
| } | ||
|
|
||
| } |
40 changes: 40 additions & 0 deletions
40
app/src/main/java/com/afwsamples/testdpc/DelegatedAdminReceiver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Copyright (C) 2018 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.afwsamples.testdpc; | ||
|
|
||
| import android.annotation.TargetApi; | ||
| import android.content.Context; | ||
| import android.content.Intent; | ||
| import android.net.Uri; | ||
| import android.os.Build; | ||
|
|
||
| @TargetApi(Build.VERSION_CODES.Q) | ||
| public class DelegatedAdminReceiver extends android.app.admin.DelegatedAdminReceiver { | ||
|
|
||
| @Override | ||
| public String onChoosePrivateKeyAlias(Context context, Intent intent, int uid, Uri uri, | ||
| String alias) { | ||
| return CommonReceiverOperations.onChoosePrivateKeyAlias(context, uid); | ||
| } | ||
|
|
||
| @Override | ||
| public void onNetworkLogsAvailable(Context context, Intent intent, long batchToken, | ||
| int networkLogsCount) { | ||
| CommonReceiverOperations.onNetworkLogsAvailable(context, null, batchToken, | ||
| networkLogsCount); | ||
| } | ||
| } |
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