| /* |
| * 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.internal.telephony; |
| |
| import android.Manifest.permission; |
| import android.app.AppOpsManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.res.Resources; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.os.Debug; |
| import android.os.Process; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import android.provider.Telephony; |
| import android.provider.Telephony.Sms.Intents; |
| import android.telephony.Rlog; |
| import android.telephony.SmsManager; |
| import android.telephony.TelephonyManager; |
| import android.util.Log; |
| |
| import com.android.internal.content.PackageMonitor; |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.logging.MetricsProto.MetricsEvent; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| /** |
| * Class for managing the primary application that we will deliver SMS/MMS messages to |
| * |
| * {@hide} |
| */ |
| public final class SmsApplication { |
| static final String LOG_TAG = "SmsApplication"; |
| private static final String PHONE_PACKAGE_NAME = "com.android.phone"; |
| private static final String BLUETOOTH_PACKAGE_NAME = "com.android.bluetooth"; |
| private static final String MMS_SERVICE_PACKAGE_NAME = "com.android.mms.service"; |
| private static final String TELEPHONY_PROVIDER_PACKAGE_NAME = "com.android.providers.telephony"; |
| |
| private static final String SCHEME_SMS = "sms"; |
| private static final String SCHEME_SMSTO = "smsto"; |
| private static final String SCHEME_MMS = "mms"; |
| private static final String SCHEME_MMSTO = "mmsto"; |
| private static final boolean DEBUG_MULTIUSER = false; |
| |
| private static SmsPackageMonitor sSmsPackageMonitor = null; |
| |
| public static class SmsApplicationData { |
| /** |
| * Name of this SMS app for display. |
| */ |
| private String mApplicationName; |
| |
| /** |
| * Package name for this SMS app. |
| */ |
| public String mPackageName; |
| |
| /** |
| * The class name of the SMS_DELIVER_ACTION receiver in this app. |
| */ |
| public String mSmsReceiverClass; |
| |
| /** |
| * The class name of the WAP_PUSH_DELIVER_ACTION receiver in this app. |
| */ |
| public String mMmsReceiverClass; |
| |
| /** |
| * The class name of the ACTION_RESPOND_VIA_MESSAGE intent in this app. |
| */ |
| public String mRespondViaMessageClass; |
| |
| /** |
| * The class name of the ACTION_SENDTO intent in this app. |
| */ |
| public String mSendToClass; |
| |
| /** |
| * The class name of the ACTION_DEFAULT_SMS_PACKAGE_CHANGED receiver in this app. |
| */ |
| public String mSmsAppChangedReceiverClass; |
| |
| /** |
| * The class name of the ACTION_EXTERNAL_PROVIDER_CHANGE receiver in this app. |
| */ |
| public String mProviderChangedReceiverClass; |
| |
| /** |
| * The user-id for this application |
| */ |
| public int mUid; |
| |
| /** |
| * Returns true if this SmsApplicationData is complete (all intents handled). |
| * @return |
| */ |
| public boolean isComplete() { |
| return (mSmsReceiverClass != null && mMmsReceiverClass != null |
| && mRespondViaMessageClass != null && mSendToClass != null); |
| } |
| |
| public SmsApplicationData(String packageName, int uid) { |
| mPackageName = packageName; |
| mUid = uid; |
| } |
| |
| public String getApplicationName(Context context) { |
| if (mApplicationName == null) { |
| PackageManager pm = context.getPackageManager(); |
| ApplicationInfo appInfo; |
| try { |
| appInfo = pm.getApplicationInfoAsUser(mPackageName, 0, |
| UserHandle.getUserId(mUid)); |
| } catch (NameNotFoundException e) { |
| return null; |
| } |
| if (appInfo != null) { |
| CharSequence label = pm.getApplicationLabel(appInfo); |
| mApplicationName = (label == null) ? null : label.toString(); |
| } |
| } |
| return mApplicationName; |
| } |
| |
| @Override |
| public String toString() { |
| return " mPackageName: " + mPackageName + |
| " mSmsReceiverClass: " + mSmsReceiverClass + |
| " mMmsReceiverClass: " + mMmsReceiverClass + |
| " mRespondViaMessageClass: " + mRespondViaMessageClass + |
| " mSendToClass: " + mSendToClass + |
| " mSmsAppChangedClass: " + mSmsAppChangedReceiverClass + |
| " mProviderChangedReceiverClass: " + mProviderChangedReceiverClass + |
| " mUid: " + mUid; |
| } |
| } |
| |
| /** |
| * Returns the userId of the Context object, if called from a system app, |
| * otherwise it returns the caller's userId |
| * @param context The context object passed in by the caller. |
| * @return |
| */ |
| private static int getIncomingUserId(Context context) { |
| int contextUserId = context.getUserId(); |
| final int callingUid = Binder.getCallingUid(); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getIncomingUserHandle caller=" + callingUid + ", myuid=" |
| + android.os.Process.myUid() + "\n\t" + Debug.getCallers(4)); |
| } |
| if (UserHandle.getAppId(callingUid) |
| < android.os.Process.FIRST_APPLICATION_UID) { |
| return contextUserId; |
| } else { |
| return UserHandle.getUserId(callingUid); |
| } |
| } |
| |
| /** |
| * Returns the list of available SMS apps defined as apps that are registered for both the |
| * SMS_RECEIVED_ACTION (SMS) and WAP_PUSH_RECEIVED_ACTION (MMS) broadcasts (and their broadcast |
| * receivers are enabled) |
| * |
| * Requirements to be an SMS application: |
| * Implement SMS_DELIVER_ACTION broadcast receiver. |
| * Require BROADCAST_SMS permission. |
| * |
| * Implement WAP_PUSH_DELIVER_ACTION broadcast receiver. |
| * Require BROADCAST_WAP_PUSH permission. |
| * |
| * Implement RESPOND_VIA_MESSAGE intent. |
| * Support smsto Uri scheme. |
| * Require SEND_RESPOND_VIA_MESSAGE permission. |
| * |
| * Implement ACTION_SENDTO intent. |
| * Support smsto Uri scheme. |
| */ |
| public static Collection<SmsApplicationData> getApplicationCollection(Context context) { |
| int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| return getApplicationCollectionInternal(context, userId); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| private static Collection<SmsApplicationData> getApplicationCollectionInternal( |
| Context context, int userId) { |
| PackageManager packageManager = context.getPackageManager(); |
| |
| // Get the list of apps registered for SMS |
| Intent intent = new Intent(Intents.SMS_DELIVER_ACTION); |
| List<ResolveInfo> smsReceivers = packageManager.queryBroadcastReceiversAsUser(intent, 0, |
| userId); |
| |
| HashMap<String, SmsApplicationData> receivers = new HashMap<String, SmsApplicationData>(); |
| |
| // Add one entry to the map for every sms receiver (ignoring duplicate sms receivers) |
| for (ResolveInfo resolveInfo : smsReceivers) { |
| final ActivityInfo activityInfo = resolveInfo.activityInfo; |
| if (activityInfo == null) { |
| continue; |
| } |
| if (!permission.BROADCAST_SMS.equals(activityInfo.permission)) { |
| continue; |
| } |
| final String packageName = activityInfo.packageName; |
| if (!receivers.containsKey(packageName)) { |
| final SmsApplicationData smsApplicationData = new SmsApplicationData(packageName, |
| activityInfo.applicationInfo.uid); |
| smsApplicationData.mSmsReceiverClass = activityInfo.name; |
| receivers.put(packageName, smsApplicationData); |
| } |
| } |
| |
| // Update any existing entries with mms receiver class |
| intent = new Intent(Intents.WAP_PUSH_DELIVER_ACTION); |
| intent.setDataAndType(null, "application/vnd.wap.mms-message"); |
| List<ResolveInfo> mmsReceivers = packageManager.queryBroadcastReceiversAsUser(intent, 0, |
| userId); |
| for (ResolveInfo resolveInfo : mmsReceivers) { |
| final ActivityInfo activityInfo = resolveInfo.activityInfo; |
| if (activityInfo == null) { |
| continue; |
| } |
| if (!permission.BROADCAST_WAP_PUSH.equals(activityInfo.permission)) { |
| continue; |
| } |
| final String packageName = activityInfo.packageName; |
| final SmsApplicationData smsApplicationData = receivers.get(packageName); |
| if (smsApplicationData != null) { |
| smsApplicationData.mMmsReceiverClass = activityInfo.name; |
| } |
| } |
| |
| // Update any existing entries with respond via message intent class. |
| intent = new Intent(TelephonyManager.ACTION_RESPOND_VIA_MESSAGE, |
| Uri.fromParts(SCHEME_SMSTO, "", null)); |
| List<ResolveInfo> respondServices = packageManager.queryIntentServicesAsUser(intent, 0, |
| userId); |
| for (ResolveInfo resolveInfo : respondServices) { |
| final ServiceInfo serviceInfo = resolveInfo.serviceInfo; |
| if (serviceInfo == null) { |
| continue; |
| } |
| if (!permission.SEND_RESPOND_VIA_MESSAGE.equals(serviceInfo.permission)) { |
| continue; |
| } |
| final String packageName = serviceInfo.packageName; |
| final SmsApplicationData smsApplicationData = receivers.get(packageName); |
| if (smsApplicationData != null) { |
| smsApplicationData.mRespondViaMessageClass = serviceInfo.name; |
| } |
| } |
| |
| // Update any existing entries with supports send to. |
| intent = new Intent(Intent.ACTION_SENDTO, |
| Uri.fromParts(SCHEME_SMSTO, "", null)); |
| List<ResolveInfo> sendToActivities = packageManager.queryIntentActivitiesAsUser(intent, 0, |
| userId); |
| for (ResolveInfo resolveInfo : sendToActivities) { |
| final ActivityInfo activityInfo = resolveInfo.activityInfo; |
| if (activityInfo == null) { |
| continue; |
| } |
| final String packageName = activityInfo.packageName; |
| final SmsApplicationData smsApplicationData = receivers.get(packageName); |
| if (smsApplicationData != null) { |
| smsApplicationData.mSendToClass = activityInfo.name; |
| } |
| } |
| |
| // Update any existing entries with the default sms changed handler. |
| intent = new Intent(Telephony.Sms.Intents.ACTION_DEFAULT_SMS_PACKAGE_CHANGED); |
| List<ResolveInfo> smsAppChangedReceivers = packageManager.queryBroadcastReceiversAsUser(intent, |
| 0, userId); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplicationCollectionInternal smsAppChangedActivities=" + |
| smsAppChangedReceivers); |
| } |
| for (ResolveInfo resolveInfo : smsAppChangedReceivers) { |
| final ActivityInfo activityInfo = resolveInfo.activityInfo; |
| if (activityInfo == null) { |
| continue; |
| } |
| final String packageName = activityInfo.packageName; |
| final SmsApplicationData smsApplicationData = receivers.get(packageName); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplicationCollectionInternal packageName=" + |
| packageName + " smsApplicationData: " + smsApplicationData + |
| " activityInfo.name: " + activityInfo.name); |
| } |
| if (smsApplicationData != null) { |
| smsApplicationData.mSmsAppChangedReceiverClass = activityInfo.name; |
| } |
| } |
| |
| // Update any existing entries with the external provider changed handler. |
| intent = new Intent(Telephony.Sms.Intents.ACTION_EXTERNAL_PROVIDER_CHANGE); |
| List<ResolveInfo> providerChangedReceivers = packageManager.queryBroadcastReceiversAsUser(intent, |
| 0, userId); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplicationCollectionInternal providerChangedActivities=" + |
| providerChangedReceivers); |
| } |
| for (ResolveInfo resolveInfo : providerChangedReceivers) { |
| final ActivityInfo activityInfo = resolveInfo.activityInfo; |
| if (activityInfo == null) { |
| continue; |
| } |
| final String packageName = activityInfo.packageName; |
| final SmsApplicationData smsApplicationData = receivers.get(packageName); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplicationCollectionInternal packageName=" + |
| packageName + " smsApplicationData: " + smsApplicationData + |
| " activityInfo.name: " + activityInfo.name); |
| } |
| if (smsApplicationData != null) { |
| smsApplicationData.mProviderChangedReceiverClass = activityInfo.name; |
| } |
| } |
| |
| // Remove any entries for which we did not find all required intents. |
| for (ResolveInfo resolveInfo : smsReceivers) { |
| final ActivityInfo activityInfo = resolveInfo.activityInfo; |
| if (activityInfo == null) { |
| continue; |
| } |
| final String packageName = activityInfo.packageName; |
| final SmsApplicationData smsApplicationData = receivers.get(packageName); |
| if (smsApplicationData != null) { |
| if (!smsApplicationData.isComplete()) { |
| receivers.remove(packageName); |
| } |
| } |
| } |
| return receivers.values(); |
| } |
| |
| /** |
| * Checks to see if we have a valid installed SMS application for the specified package name |
| * @return Data for the specified package name or null if there isn't one |
| */ |
| private static SmsApplicationData getApplicationForPackage( |
| Collection<SmsApplicationData> applications, String packageName) { |
| if (packageName == null) { |
| return null; |
| } |
| // Is there an entry in the application list for the specified package? |
| for (SmsApplicationData application : applications) { |
| if (application.mPackageName.contentEquals(packageName)) { |
| return application; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Get the application we will use for delivering SMS/MMS messages. |
| * |
| * We return the preferred sms application with the following order of preference: |
| * (1) User selected SMS app (if selected, and if still valid) |
| * (2) Android Messaging (if installed) |
| * (3) The currently configured highest priority broadcast receiver |
| * (4) Null |
| */ |
| private static SmsApplicationData getApplication(Context context, boolean updateIfNeeded, |
| int userId) { |
| TelephonyManager tm = (TelephonyManager) |
| context.getSystemService(Context.TELEPHONY_SERVICE); |
| if (!tm.isSmsCapable()) { |
| // No phone, no SMS |
| return null; |
| } |
| |
| Collection<SmsApplicationData> applications = getApplicationCollectionInternal(context, |
| userId); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplication userId=" + userId); |
| } |
| // Determine which application receives the broadcast |
| String defaultApplication = Settings.Secure.getStringForUser(context.getContentResolver(), |
| Settings.Secure.SMS_DEFAULT_APPLICATION, userId); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplication defaultApp=" + defaultApplication); |
| } |
| |
| SmsApplicationData applicationData = null; |
| if (defaultApplication != null) { |
| applicationData = getApplicationForPackage(applications, defaultApplication); |
| } |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplication appData=" + applicationData); |
| } |
| // Picking a new SMS app requires AppOps and Settings.Secure permissions, so we only do |
| // this if the caller asked us to. |
| if (updateIfNeeded && applicationData == null) { |
| // Try to find the default SMS package for this device |
| Resources r = context.getResources(); |
| String defaultPackage = |
| r.getString(com.android.internal.R.string.default_sms_application); |
| applicationData = getApplicationForPackage(applications, defaultPackage); |
| |
| if (applicationData == null) { |
| // Are there any applications? |
| if (applications.size() != 0) { |
| applicationData = (SmsApplicationData)applications.toArray()[0]; |
| } |
| } |
| |
| // If we found a new default app, update the setting |
| if (applicationData != null) { |
| setDefaultApplicationInternal(applicationData.mPackageName, context, userId); |
| } |
| } |
| |
| // If we found a package, make sure AppOps permissions are set up correctly |
| if (applicationData != null) { |
| AppOpsManager appOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
| |
| // We can only call checkOp if we are privileged (updateIfNeeded) or if the app we |
| // are checking is for our current uid. Doing this check from the unprivileged current |
| // SMS app allows us to tell the current SMS app that it is not in a good state and |
| // needs to ask to be the current SMS app again to work properly. |
| if (updateIfNeeded || applicationData.mUid == android.os.Process.myUid()) { |
| // Verify that the SMS app has permissions |
| int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, applicationData.mUid, |
| applicationData.mPackageName); |
| if (mode != AppOpsManager.MODE_ALLOWED) { |
| Rlog.e(LOG_TAG, applicationData.mPackageName + " lost OP_WRITE_SMS: " + |
| (updateIfNeeded ? " (fixing)" : " (no permission to fix)")); |
| if (updateIfNeeded) { |
| appOps.setMode(AppOpsManager.OP_WRITE_SMS, applicationData.mUid, |
| applicationData.mPackageName, AppOpsManager.MODE_ALLOWED); |
| } else { |
| // We can not return a package if permissions are not set up correctly |
| applicationData = null; |
| } |
| } |
| } |
| |
| // We can only verify the phone and BT app's permissions from a privileged caller |
| if (updateIfNeeded) { |
| // Ensure this component is still configured as the preferred activity. Usually the |
| // current SMS app will already be the preferred activity - but checking whether or |
| // not this is true is just as expensive as reconfiguring the preferred activity so |
| // we just reconfigure every time. |
| PackageManager packageManager = context.getPackageManager(); |
| configurePreferredActivity(packageManager, new ComponentName( |
| applicationData.mPackageName, applicationData.mSendToClass), |
| userId); |
| // Assign permission to special system apps |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| PHONE_PACKAGE_NAME); |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| BLUETOOTH_PACKAGE_NAME); |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| MMS_SERVICE_PACKAGE_NAME); |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| TELEPHONY_PROVIDER_PACKAGE_NAME); |
| // Give WRITE_SMS AppOps permission to UID 1001 which contains multiple |
| // apps, all of them should be able to write to telephony provider. |
| // This is to allow the proxy package permission check in telephony provider |
| // to pass. |
| assignWriteSmsPermissionToSystemUid(appOps, Process.PHONE_UID); |
| } |
| } |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "getApplication returning appData=" + applicationData); |
| } |
| return applicationData; |
| } |
| |
| /** |
| * Sets the specified package as the default SMS/MMS application. The caller of this method |
| * needs to have permission to set AppOps and write to secure settings. |
| */ |
| public static void setDefaultApplication(String packageName, Context context) { |
| TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE); |
| if (!tm.isSmsCapable()) { |
| // No phone, no SMS |
| return; |
| } |
| |
| final int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| setDefaultApplicationInternal(packageName, context, userId); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| private static void setDefaultApplicationInternal(String packageName, Context context, |
| int userId) { |
| // Get old package name |
| String oldPackageName = Settings.Secure.getStringForUser(context.getContentResolver(), |
| Settings.Secure.SMS_DEFAULT_APPLICATION, userId); |
| |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "setDefaultApplicationInternal old=" + oldPackageName + |
| " new=" + packageName); |
| } |
| |
| if (packageName != null && oldPackageName != null && packageName.equals(oldPackageName)) { |
| // No change |
| return; |
| } |
| |
| // We only make the change if the new package is valid |
| PackageManager packageManager = context.getPackageManager(); |
| Collection<SmsApplicationData> applications = getApplicationCollection(context); |
| SmsApplicationData oldAppData = oldPackageName != null ? |
| getApplicationForPackage(applications, oldPackageName) : null; |
| SmsApplicationData applicationData = getApplicationForPackage(applications, packageName); |
| if (applicationData != null) { |
| // Ignore OP_WRITE_SMS for the previously configured default SMS app. |
| AppOpsManager appOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE); |
| if (oldPackageName != null) { |
| try { |
| PackageInfo info = packageManager.getPackageInfo(oldPackageName, |
| PackageManager.GET_UNINSTALLED_PACKAGES); |
| appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid, |
| oldPackageName, AppOpsManager.MODE_IGNORED); |
| } catch (NameNotFoundException e) { |
| Rlog.w(LOG_TAG, "Old SMS package not found: " + oldPackageName); |
| } |
| } |
| |
| // Update the secure setting. |
| Settings.Secure.putStringForUser(context.getContentResolver(), |
| Settings.Secure.SMS_DEFAULT_APPLICATION, applicationData.mPackageName, |
| userId); |
| |
| // Configure this as the preferred activity for SENDTO sms/mms intents |
| configurePreferredActivity(packageManager, new ComponentName( |
| applicationData.mPackageName, applicationData.mSendToClass), userId); |
| |
| // Allow OP_WRITE_SMS for the newly configured default SMS app. |
| appOps.setMode(AppOpsManager.OP_WRITE_SMS, applicationData.mUid, |
| applicationData.mPackageName, AppOpsManager.MODE_ALLOWED); |
| |
| // Assign permission to special system apps |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| PHONE_PACKAGE_NAME); |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| BLUETOOTH_PACKAGE_NAME); |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| MMS_SERVICE_PACKAGE_NAME); |
| assignWriteSmsPermissionToSystemApp(context, packageManager, appOps, |
| TELEPHONY_PROVIDER_PACKAGE_NAME); |
| // Give WRITE_SMS AppOps permission to UID 1001 which contains multiple |
| // apps, all of them should be able to write to telephony provider. |
| // This is to allow the proxy package permission check in telephony provider |
| // to pass. |
| assignWriteSmsPermissionToSystemUid(appOps, Process.PHONE_UID); |
| |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "setDefaultApplicationInternal oldAppData=" + oldAppData); |
| } |
| if (oldAppData != null && oldAppData.mSmsAppChangedReceiverClass != null) { |
| // Notify the old sms app that it's no longer the default |
| final Intent oldAppIntent = |
| new Intent(Telephony.Sms.Intents.ACTION_DEFAULT_SMS_PACKAGE_CHANGED); |
| final ComponentName component = new ComponentName(oldAppData.mPackageName, |
| oldAppData.mSmsAppChangedReceiverClass); |
| oldAppIntent.setComponent(component); |
| oldAppIntent.putExtra(Telephony.Sms.Intents.EXTRA_IS_DEFAULT_SMS_APP, false); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "setDefaultApplicationInternal old=" + oldAppData.mPackageName); |
| } |
| context.sendBroadcast(oldAppIntent); |
| } |
| // Notify the new sms app that it's now the default (if the new sms app has a receiver |
| // to handle the changed default sms intent). |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "setDefaultApplicationInternal new applicationData=" + |
| applicationData); |
| } |
| if (applicationData.mSmsAppChangedReceiverClass != null) { |
| final Intent intent = |
| new Intent(Telephony.Sms.Intents.ACTION_DEFAULT_SMS_PACKAGE_CHANGED); |
| final ComponentName component = new ComponentName(applicationData.mPackageName, |
| applicationData.mSmsAppChangedReceiverClass); |
| intent.setComponent(component); |
| intent.putExtra(Telephony.Sms.Intents.EXTRA_IS_DEFAULT_SMS_APP, true); |
| if (DEBUG_MULTIUSER) { |
| Log.i(LOG_TAG, "setDefaultApplicationInternal new=" + packageName); |
| } |
| context.sendBroadcast(intent); |
| } |
| MetricsLogger.action(context, MetricsEvent.ACTION_DEFAULT_SMS_APP_CHANGED, |
| applicationData.mPackageName); |
| } |
| } |
| |
| /** |
| * Assign WRITE_SMS AppOps permission to some special system apps. |
| * |
| * @param context The context |
| * @param packageManager The package manager instance |
| * @param appOps The AppOps manager instance |
| * @param packageName The package name of the system app |
| */ |
| private static void assignWriteSmsPermissionToSystemApp(Context context, |
| PackageManager packageManager, AppOpsManager appOps, String packageName) { |
| // First check package signature matches the caller's package signature. |
| // Since this class is only used internally by the system, this check makes sure |
| // the package signature matches system signature. |
| final int result = packageManager.checkSignatures(context.getPackageName(), packageName); |
| if (result != PackageManager.SIGNATURE_MATCH) { |
| Rlog.e(LOG_TAG, packageName + " does not have system signature"); |
| return; |
| } |
| try { |
| PackageInfo info = packageManager.getPackageInfo(packageName, 0); |
| int mode = appOps.checkOp(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid, |
| packageName); |
| if (mode != AppOpsManager.MODE_ALLOWED) { |
| Rlog.w(LOG_TAG, packageName + " does not have OP_WRITE_SMS: (fixing)"); |
| appOps.setMode(AppOpsManager.OP_WRITE_SMS, info.applicationInfo.uid, |
| packageName, AppOpsManager.MODE_ALLOWED); |
| } |
| } catch (NameNotFoundException e) { |
| // No whitelisted system app on this device |
| Rlog.e(LOG_TAG, "Package not found: " + packageName); |
| } |
| |
| } |
| |
| private static void assignWriteSmsPermissionToSystemUid(AppOpsManager appOps, int uid) { |
| appOps.setUidMode(AppOpsManager.OP_WRITE_SMS, uid, AppOpsManager.MODE_ALLOWED); |
| } |
| |
| /** |
| * Tracks package changes and ensures that the default SMS app is always configured to be the |
| * preferred activity for SENDTO sms/mms intents. |
| */ |
| private static final class SmsPackageMonitor extends PackageMonitor { |
| final Context mContext; |
| |
| public SmsPackageMonitor(Context context) { |
| super(); |
| mContext = context; |
| } |
| |
| @Override |
| public void onPackageDisappeared(String packageName, int reason) { |
| onPackageChanged(); |
| } |
| |
| @Override |
| public void onPackageAppeared(String packageName, int reason) { |
| onPackageChanged(); |
| } |
| |
| @Override |
| public void onPackageModified(String packageName) { |
| onPackageChanged(); |
| } |
| |
| private void onPackageChanged() { |
| PackageManager packageManager = mContext.getPackageManager(); |
| Context userContext = mContext; |
| final int userId = getSendingUserId(); |
| if (userId != UserHandle.USER_SYSTEM) { |
| try { |
| userContext = mContext.createPackageContextAsUser(mContext.getPackageName(), 0, |
| new UserHandle(userId)); |
| } catch (NameNotFoundException nnfe) { |
| if (DEBUG_MULTIUSER) { |
| Log.w(LOG_TAG, "Unable to create package context for user " + userId); |
| } |
| } |
| } |
| // Ensure this component is still configured as the preferred activity |
| ComponentName componentName = getDefaultSendToApplication(userContext, true); |
| if (componentName != null) { |
| configurePreferredActivity(packageManager, componentName, userId); |
| } |
| } |
| } |
| |
| public static void initSmsPackageMonitor(Context context) { |
| sSmsPackageMonitor = new SmsPackageMonitor(context); |
| sSmsPackageMonitor.register(context, context.getMainLooper(), UserHandle.ALL, false); |
| } |
| |
| private static void configurePreferredActivity(PackageManager packageManager, |
| ComponentName componentName, int userId) { |
| // Add the four activity preferences we want to direct to this app. |
| replacePreferredActivity(packageManager, componentName, userId, SCHEME_SMS); |
| replacePreferredActivity(packageManager, componentName, userId, SCHEME_SMSTO); |
| replacePreferredActivity(packageManager, componentName, userId, SCHEME_MMS); |
| replacePreferredActivity(packageManager, componentName, userId, SCHEME_MMSTO); |
| } |
| |
| /** |
| * Updates the ACTION_SENDTO activity to the specified component for the specified scheme. |
| */ |
| private static void replacePreferredActivity(PackageManager packageManager, |
| ComponentName componentName, int userId, String scheme) { |
| // Build the set of existing activities that handle this scheme |
| Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts(scheme, "", null)); |
| List<ResolveInfo> resolveInfoList = packageManager.queryIntentActivitiesAsUser( |
| intent, PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_RESOLVED_FILTER, |
| userId); |
| |
| // Build the set of ComponentNames for these activities |
| final int n = resolveInfoList.size(); |
| ComponentName[] set = new ComponentName[n]; |
| for (int i = 0; i < n; i++) { |
| ResolveInfo info = resolveInfoList.get(i); |
| set[i] = new ComponentName(info.activityInfo.packageName, info.activityInfo.name); |
| } |
| |
| // Update the preferred SENDTO activity for the specified scheme |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_SENDTO); |
| intentFilter.addCategory(Intent.CATEGORY_DEFAULT); |
| intentFilter.addDataScheme(scheme); |
| packageManager.replacePreferredActivityAsUser(intentFilter, |
| IntentFilter.MATCH_CATEGORY_SCHEME + IntentFilter.MATCH_ADJUSTMENT_NORMAL, |
| set, componentName, userId); |
| } |
| |
| /** |
| * Returns SmsApplicationData for this package if this package is capable of being set as the |
| * default SMS application. |
| */ |
| public static SmsApplicationData getSmsApplicationData(String packageName, Context context) { |
| Collection<SmsApplicationData> applications = getApplicationCollection(context); |
| return getApplicationForPackage(applications, packageName); |
| } |
| |
| /** |
| * Gets the default SMS application |
| * @param context context from the calling app |
| * @param updateIfNeeded update the default app if there is no valid default app configured. |
| * @return component name of the app and class to deliver SMS messages to |
| */ |
| public static ComponentName getDefaultSmsApplication(Context context, boolean updateIfNeeded) { |
| int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| ComponentName component = null; |
| SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded, |
| userId); |
| if (smsApplicationData != null) { |
| component = new ComponentName(smsApplicationData.mPackageName, |
| smsApplicationData.mSmsReceiverClass); |
| } |
| return component; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * Gets the default MMS application |
| * @param context context from the calling app |
| * @param updateIfNeeded update the default app if there is no valid default app configured. |
| * @return component name of the app and class to deliver MMS messages to |
| */ |
| public static ComponentName getDefaultMmsApplication(Context context, boolean updateIfNeeded) { |
| int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| ComponentName component = null; |
| SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded, |
| userId); |
| if (smsApplicationData != null) { |
| component = new ComponentName(smsApplicationData.mPackageName, |
| smsApplicationData.mMmsReceiverClass); |
| } |
| return component; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * Gets the default Respond Via Message application |
| * @param context context from the calling app |
| * @param updateIfNeeded update the default app if there is no valid default app configured. |
| * @return component name of the app and class to direct Respond Via Message intent to |
| */ |
| public static ComponentName getDefaultRespondViaMessageApplication(Context context, |
| boolean updateIfNeeded) { |
| int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| ComponentName component = null; |
| SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded, |
| userId); |
| if (smsApplicationData != null) { |
| component = new ComponentName(smsApplicationData.mPackageName, |
| smsApplicationData.mRespondViaMessageClass); |
| } |
| return component; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * Gets the default Send To (smsto) application. |
| * <p> |
| * Caller must pass in the correct user context if calling from a singleton service. |
| * @param context context from the calling app |
| * @param updateIfNeeded update the default app if there is no valid default app configured. |
| * @return component name of the app and class to direct SEND_TO (smsto) intent to |
| */ |
| public static ComponentName getDefaultSendToApplication(Context context, |
| boolean updateIfNeeded) { |
| int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| ComponentName component = null; |
| SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded, |
| userId); |
| if (smsApplicationData != null) { |
| component = new ComponentName(smsApplicationData.mPackageName, |
| smsApplicationData.mSendToClass); |
| } |
| return component; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * Gets the default application that handles external changes to the SmsProvider and |
| * MmsProvider. |
| * @param context context from the calling app |
| * @param updateIfNeeded update the default app if there is no valid default app configured. |
| * @return component name of the app and class to deliver change intents to |
| */ |
| public static ComponentName getDefaultExternalTelephonyProviderChangedApplication( |
| Context context, boolean updateIfNeeded) { |
| int userId = getIncomingUserId(context); |
| final long token = Binder.clearCallingIdentity(); |
| try { |
| ComponentName component = null; |
| SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded, |
| userId); |
| if (smsApplicationData != null |
| && smsApplicationData.mProviderChangedReceiverClass != null) { |
| component = new ComponentName(smsApplicationData.mPackageName, |
| smsApplicationData.mProviderChangedReceiverClass); |
| } |
| return component; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| /** |
| * Returns whether need to write the SMS message to SMS database for this package. |
| * <p> |
| * Caller must pass in the correct user context if calling from a singleton service. |
| */ |
| public static boolean shouldWriteMessageForPackage(String packageName, Context context) { |
| if (SmsManager.getDefault().getAutoPersisting()) { |
| return true; |
| } |
| return !isDefaultSmsApplication(context, packageName); |
| } |
| |
| /** |
| * Check if a package is default sms app (or equivalent, like bluetooth) |
| * |
| * @param context context from the calling app |
| * @param packageName the name of the package to be checked |
| * @return true if the package is default sms app or bluetooth |
| */ |
| public static boolean isDefaultSmsApplication(Context context, String packageName) { |
| if (packageName == null) { |
| return false; |
| } |
| final String defaultSmsPackage = getDefaultSmsApplicationPackageName(context); |
| if ((defaultSmsPackage != null && defaultSmsPackage.equals(packageName)) |
| || BLUETOOTH_PACKAGE_NAME.equals(packageName)) { |
| return true; |
| } |
| return false; |
| } |
| |
| private static String getDefaultSmsApplicationPackageName(Context context) { |
| final ComponentName component = getDefaultSmsApplication(context, false); |
| if (component != null) { |
| return component.getPackageName(); |
| } |
| return null; |
| } |
| } |
