| /* |
| * Copyright (C) 2013 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.android.server.telecom.components; |
| |
| import com.android.server.telecom.CallIntentProcessor; |
| import com.android.server.telecom.R; |
| import com.android.server.telecom.TelephonyUtil; |
| import com.android.server.telecom.UserUtil; |
| import com.android.settingslib.RestrictedLockUtils; |
| import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; |
| |
| import android.app.AppOpsManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.net.Uri; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.telecom.DefaultDialerManager; |
| import android.telecom.Log; |
| import android.telecom.PhoneAccount; |
| import android.telecom.TelecomManager; |
| import android.telecom.VideoProfile; |
| import android.telephony.PhoneNumberUtils; |
| import android.text.TextUtils; |
| import android.widget.Toast; |
| |
| // TODO: Needed for move to system service: import com.android.internal.R; |
| |
| /** |
| * Handles system CALL actions and forwards them to {@link CallIntentProcessor}. |
| * Handles all three CALL action types: CALL, CALL_PRIVILEGED, and CALL_EMERGENCY. |
| * |
| * Pre-L, the only way apps were were allowed to make outgoing emergency calls was the |
| * ACTION_CALL_PRIVILEGED action (which requires the system only CALL_PRIVILEGED permission). |
| * |
| * In L, any app that has the CALL_PRIVILEGED permission can continue to make outgoing emergency |
| * calls via ACTION_CALL_PRIVILEGED. |
| * |
| * In addition, the default dialer (identified via |
| * {@link android.telecom.TelecomManager#getDefaultDialerPackage()} will also be granted the |
| * ability to make emergency outgoing calls using the CALL action. In order to do this, it must |
| * use the {@link TelecomManager#placeCall(Uri, android.os.Bundle)} method to allow its package |
| * name to be passed to {@link UserCallIntentProcessor}. Calling startActivity will continue to |
| * work on all non-emergency numbers just like it did pre-L. |
| */ |
| public class UserCallIntentProcessor { |
| |
| private final Context mContext; |
| private final UserHandle mUserHandle; |
| |
| public UserCallIntentProcessor(Context context, UserHandle userHandle) { |
| mContext = context; |
| mUserHandle = userHandle; |
| } |
| |
| /** |
| * Processes intents sent to the activity. |
| * |
| * @param intent The intent. |
| */ |
| public void processIntent(Intent intent, String callingPackageName, |
| boolean canCallNonEmergency) { |
| // Ensure call intents are not processed on devices that are not capable of calling. |
| if (!isVoiceCapable()) { |
| return; |
| } |
| |
| String action = intent.getAction(); |
| |
| if (Intent.ACTION_CALL.equals(action) || |
| Intent.ACTION_CALL_PRIVILEGED.equals(action) || |
| Intent.ACTION_CALL_EMERGENCY.equals(action)) { |
| processOutgoingCallIntent(intent, callingPackageName, canCallNonEmergency); |
| } |
| } |
| |
| private void processOutgoingCallIntent(Intent intent, String callingPackageName, |
| boolean canCallNonEmergency) { |
| Uri handle = intent.getData(); |
| String scheme = handle.getScheme(); |
| String uriString = handle.getSchemeSpecificPart(); |
| |
| if (!PhoneAccount.SCHEME_VOICEMAIL.equals(scheme)) { |
| handle = Uri.fromParts(PhoneNumberUtils.isUriNumber(uriString) ? |
| PhoneAccount.SCHEME_SIP : PhoneAccount.SCHEME_TEL, uriString, null); |
| } |
| |
| // Check DISALLOW_OUTGOING_CALLS restriction. Note: We are skipping this check in a managed |
| // profile user because this check can always be bypassed by copying and pasting the phone |
| // number into the personal dialer. |
| if (!UserUtil.isManagedProfile(mContext, mUserHandle)) { |
| // Only emergency calls are allowed for users with the DISALLOW_OUTGOING_CALLS |
| // restriction. |
| if (!TelephonyUtil.shouldProcessAsEmergency(mContext, handle)) { |
| final UserManager userManager = (UserManager) mContext.getSystemService( |
| Context.USER_SERVICE); |
| if (userManager.hasBaseUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS, |
| mUserHandle)) { |
| showErrorDialogForRestrictedOutgoingCall(mContext, |
| R.string.outgoing_call_not_allowed_user_restriction); |
| Log.w(this, "Rejecting non-emergency phone call due to DISALLOW_OUTGOING_CALLS " |
| + "restriction"); |
| return; |
| } else if (userManager.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS, |
| mUserHandle)) { |
| RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext, |
| EnforcedAdmin.MULTIPLE_ENFORCED_ADMIN); |
| return; |
| } |
| } |
| } |
| |
| if (!canCallNonEmergency && !TelephonyUtil.shouldProcessAsEmergency(mContext, handle)) { |
| showErrorDialogForRestrictedOutgoingCall(mContext, |
| R.string.outgoing_call_not_allowed_no_permission); |
| Log.w(this, "Rejecting non-emergency phone call because " |
| + android.Manifest.permission.CALL_PHONE + " permission is not granted."); |
| return; |
| } |
| |
| int videoState = intent.getIntExtra( |
| TelecomManager.EXTRA_START_CALL_WITH_VIDEO_STATE, |
| VideoProfile.STATE_AUDIO_ONLY); |
| Log.d(this, "processOutgoingCallIntent videoState = " + videoState); |
| |
| intent.putExtra(CallIntentProcessor.KEY_IS_PRIVILEGED_DIALER, |
| isDefaultOrSystemDialer(callingPackageName)); |
| |
| // Save the user handle of current user before forwarding the intent to primary user. |
| intent.putExtra(CallIntentProcessor.KEY_INITIATING_USER, mUserHandle); |
| |
| sendBroadcastToReceiver(intent); |
| } |
| |
| private boolean isDefaultOrSystemDialer(String callingPackageName) { |
| if (TextUtils.isEmpty(callingPackageName)) { |
| return false; |
| } |
| |
| final String defaultDialer = DefaultDialerManager.getDefaultDialerApplication(mContext, |
| mUserHandle.getIdentifier()); |
| if (TextUtils.equals(defaultDialer, callingPackageName)) { |
| return true; |
| } |
| |
| final TelecomManager telecomManager = |
| (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE); |
| return TextUtils.equals(telecomManager.getSystemDialerPackage(), callingPackageName); |
| } |
| |
| /** |
| * Returns whether the device is voice-capable (e.g. a phone vs a tablet). |
| * |
| * @return {@code True} if the device is voice-capable. |
| */ |
| private boolean isVoiceCapable() { |
| return mContext.getApplicationContext().getResources().getBoolean( |
| com.android.internal.R.bool.config_voice_capable); |
| } |
| |
| /** |
| * Trampolines the intent to the broadcast receiver that runs only as the primary user. |
| */ |
| private boolean sendBroadcastToReceiver(Intent intent) { |
| intent.putExtra(CallIntentProcessor.KEY_IS_INCOMING_CALL, false); |
| intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| intent.setClass(mContext, PrimaryCallReceiver.class); |
| Log.d(this, "Sending broadcast as user to CallReceiver"); |
| mContext.sendBroadcastAsUser(intent, UserHandle.SYSTEM); |
| return true; |
| } |
| |
| private static void showErrorDialogForRestrictedOutgoingCall(Context context, int stringId) { |
| final Intent intent = new Intent(context, ErrorDialogActivity.class); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| intent.putExtra(ErrorDialogActivity.ERROR_MESSAGE_ID_EXTRA, stringId); |
| context.startActivityAsUser(intent, UserHandle.CURRENT); |
| } |
| } |