diff options
Diffstat (limited to 'src/com/android/messaging/sms/BugleApnSettingsLoader.java')
| -rw-r--r-- | src/com/android/messaging/sms/BugleApnSettingsLoader.java | 646 |
1 files changed, 0 insertions, 646 deletions
diff --git a/src/com/android/messaging/sms/BugleApnSettingsLoader.java b/src/com/android/messaging/sms/BugleApnSettingsLoader.java deleted file mode 100644 index 43c95ac..0000000 --- a/src/com/android/messaging/sms/BugleApnSettingsLoader.java +++ /dev/null @@ -1,646 +0,0 @@ -/* - * Copyright (C) 2015 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.messaging.sms; - -import android.content.ContentValues; -import android.content.Context; -import android.database.Cursor; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteException; -import android.net.Uri; -import android.provider.Telephony; -import android.support.v7.mms.ApnSettingsLoader; -import android.support.v7.mms.MmsManager; -import android.text.TextUtils; -import android.util.SparseArray; - -import com.android.messaging.datamodel.data.ParticipantData; -import com.android.messaging.mmslib.SqliteWrapper; -import com.android.messaging.util.BugleGservices; -import com.android.messaging.util.BugleGservicesKeys; -import com.android.messaging.util.LogUtil; -import com.android.messaging.util.OsUtil; -import com.android.messaging.util.PhoneUtils; - -import java.net.URI; -import java.net.URISyntaxException; -import java.util.ArrayList; -import java.util.List; - -/** - * APN loader for default SMS SIM - * - * This loader tries to load APNs from 3 sources in order: - * 1. Gservices setting - * 2. System APN table - * 3. Local APN table - */ -public class BugleApnSettingsLoader implements ApnSettingsLoader { - /** - * The base implementation of an APN - */ - private static class BaseApn implements Apn { - /** - * Create a base APN from parameters - * - * @param typesIn the APN type field - * @param mmscIn the APN mmsc field - * @param proxyIn the APN mmsproxy field - * @param portIn the APN mmsport field - * @return an instance of base APN, or null if any of the parameter is invalid - */ - public static BaseApn from(final String typesIn, final String mmscIn, final String proxyIn, - final String portIn) { - if (!isValidApnType(trimWithNullCheck(typesIn), APN_TYPE_MMS)) { - return null; - } - String mmsc = trimWithNullCheck(mmscIn); - if (TextUtils.isEmpty(mmsc)) { - return null; - } - mmsc = trimV4AddrZeros(mmsc); - try { - new URI(mmsc); - } catch (final URISyntaxException e) { - return null; - } - String mmsProxy = trimWithNullCheck(proxyIn); - int mmsProxyPort = 80; - if (!TextUtils.isEmpty(mmsProxy)) { - mmsProxy = trimV4AddrZeros(mmsProxy); - final String portString = trimWithNullCheck(portIn); - if (portString != null) { - try { - mmsProxyPort = Integer.parseInt(portString); - } catch (final NumberFormatException e) { - // Ignore, just use 80 to try - } - } - } - return new BaseApn(mmsc, mmsProxy, mmsProxyPort); - } - - private final String mMmsc; - private final String mMmsProxy; - private final int mMmsProxyPort; - - public BaseApn(final String mmsc, final String proxy, final int port) { - mMmsc = mmsc; - mMmsProxy = proxy; - mMmsProxyPort = port; - } - - @Override - public String getMmsc() { - return mMmsc; - } - - @Override - public String getMmsProxy() { - return mMmsProxy; - } - - @Override - public int getMmsProxyPort() { - return mMmsProxyPort; - } - - @Override - public void setSuccess() { - // Do nothing - } - - public boolean equals(final BaseApn other) { - return TextUtils.equals(mMmsc, other.getMmsc()) && - TextUtils.equals(mMmsProxy, other.getMmsProxy()) && - mMmsProxyPort == other.getMmsProxyPort(); - } - } - - /** - * The APN represented by the local APN table row - */ - private static class DatabaseApn implements Apn { - private static final ContentValues CURRENT_NULL_VALUE; - private static final ContentValues CURRENT_SET_VALUE; - static { - CURRENT_NULL_VALUE = new ContentValues(1); - CURRENT_NULL_VALUE.putNull(Telephony.Carriers.CURRENT); - CURRENT_SET_VALUE = new ContentValues(1); - CURRENT_SET_VALUE.put(Telephony.Carriers.CURRENT, "1"); // 1 for auto selected APN - } - private static final String CLEAR_UPDATE_SELECTION = Telephony.Carriers.CURRENT + " =?"; - private static final String[] CLEAR_UPDATE_SELECTION_ARGS = new String[] { "1" }; - private static final String SET_UPDATE_SELECTION = Telephony.Carriers._ID + " =?"; - - /** - * Create an APN loaded from local database - * - * @param apns the in-memory APN list - * @param typesIn the APN type field - * @param mmscIn the APN mmsc field - * @param proxyIn the APN mmsproxy field - * @param portIn the APN mmsport field - * @param rowId the APN's row ID in database - * @param current the value of CURRENT column in database - * @return an in-memory APN instance for database APN row, null if parameter invalid - */ - public static DatabaseApn from(final List<Apn> apns, final String typesIn, - final String mmscIn, final String proxyIn, final String portIn, - final long rowId, final int current) { - if (apns == null) { - return null; - } - final BaseApn base = BaseApn.from(typesIn, mmscIn, proxyIn, portIn); - if (base == null) { - return null; - } - for (final ApnSettingsLoader.Apn apn : apns) { - if (apn instanceof DatabaseApn && ((DatabaseApn) apn).equals(base)) { - return null; - } - } - return new DatabaseApn(apns, base, rowId, current); - } - - private final List<Apn> mApns; - private final BaseApn mBase; - private final long mRowId; - private int mCurrent; - - public DatabaseApn(final List<Apn> apns, final BaseApn base, final long rowId, - final int current) { - mApns = apns; - mBase = base; - mRowId = rowId; - mCurrent = current; - } - - @Override - public String getMmsc() { - return mBase.getMmsc(); - } - - @Override - public String getMmsProxy() { - return mBase.getMmsProxy(); - } - - @Override - public int getMmsProxyPort() { - return mBase.getMmsProxyPort(); - } - - @Override - public void setSuccess() { - moveToListHead(); - setCurrentInDatabase(); - } - - /** - * Try to move this APN to the head of in-memory list - */ - private void moveToListHead() { - // If this is being marked as a successful APN, move it to the top of the list so - // next time it will be tried first - boolean moved = false; - synchronized (mApns) { - if (mApns.get(0) != this) { - mApns.remove(this); - mApns.add(0, this); - moved = true; - } - } - if (moved) { - LogUtil.d(LogUtil.BUGLE_TAG, "Set APN [" - + "MMSC=" + getMmsc() + ", " - + "PROXY=" + getMmsProxy() + ", " - + "PORT=" + getMmsProxyPort() + "] to be first"); - } - } - - /** - * Try to set the APN to be CURRENT in its database table - */ - private void setCurrentInDatabase() { - synchronized (this) { - if (mCurrent > 0) { - // Already current - return; - } - mCurrent = 1; - } - LogUtil.d(LogUtil.BUGLE_TAG, "Set APN @" + mRowId + " to be CURRENT in local db"); - final SQLiteDatabase database = ApnDatabase.getApnDatabase().getWritableDatabase(); - database.beginTransaction(); - try { - // clear the previous current=1 apn - // we don't clear current=2 apn since it is manually selected by user - // and we should not override it. - database.update(ApnDatabase.APN_TABLE, CURRENT_NULL_VALUE, - CLEAR_UPDATE_SELECTION, CLEAR_UPDATE_SELECTION_ARGS); - // set this one to be current (1) - database.update(ApnDatabase.APN_TABLE, CURRENT_SET_VALUE, SET_UPDATE_SELECTION, - new String[] { Long.toString(mRowId) }); - database.setTransactionSuccessful(); - } finally { - database.endTransaction(); - } - } - - public boolean equals(final BaseApn other) { - if (other == null) { - return false; - } - return mBase.equals(other); - } - } - - /** - * APN_TYPE_ALL is a special type to indicate that this APN entry can - * service all data connections. - */ - public static final String APN_TYPE_ALL = "*"; - /** APN type for MMS traffic */ - public static final String APN_TYPE_MMS = "mms"; - - private static final String[] APN_PROJECTION_SYSTEM = { - Telephony.Carriers.TYPE, - Telephony.Carriers.MMSC, - Telephony.Carriers.MMSPROXY, - Telephony.Carriers.MMSPORT, - }; - private static final String[] APN_PROJECTION_LOCAL = { - Telephony.Carriers.TYPE, - Telephony.Carriers.MMSC, - Telephony.Carriers.MMSPROXY, - Telephony.Carriers.MMSPORT, - Telephony.Carriers.CURRENT, - Telephony.Carriers._ID, - }; - private static final int COLUMN_TYPE = 0; - private static final int COLUMN_MMSC = 1; - private static final int COLUMN_MMSPROXY = 2; - private static final int COLUMN_MMSPORT = 3; - private static final int COLUMN_CURRENT = 4; - private static final int COLUMN_ID = 5; - - private static final String SELECTION_APN = Telephony.Carriers.APN + "=?"; - private static final String SELECTION_CURRENT = Telephony.Carriers.CURRENT + " IS NOT NULL"; - private static final String SELECTION_NUMERIC = Telephony.Carriers.NUMERIC + "=?"; - private static final String ORDER_BY = Telephony.Carriers.CURRENT + " DESC"; - - private final Context mContext; - - // Cached APNs for subIds - private final SparseArray<List<ApnSettingsLoader.Apn>> mApnsCache; - - public BugleApnSettingsLoader(final Context context) { - mContext = context; - mApnsCache = new SparseArray<>(); - } - - @Override - public List<ApnSettingsLoader.Apn> get(final String apnName) { - final int subId = PhoneUtils.getDefault().getEffectiveSubId( - ParticipantData.DEFAULT_SELF_SUB_ID); - List<ApnSettingsLoader.Apn> apns; - boolean didLoad = false; - synchronized (this) { - apns = mApnsCache.get(subId); - if (apns == null) { - apns = new ArrayList<>(); - mApnsCache.put(subId, apns); - loadLocked(subId, apnName, apns); - didLoad = true; - } - } - if (didLoad) { - LogUtil.i(LogUtil.BUGLE_TAG, "Loaded " + apns.size() + " APNs"); - } - return apns; - } - - private void loadLocked(final int subId, final String apnName, final List<Apn> apns) { - // Try Gservices first - loadFromGservices(apns); - if (apns.size() > 0) { - return; - } - // Try system APN table - loadFromSystem(subId, apnName, apns); - if (apns.size() > 0) { - return; - } - // Try local APN table - loadFromLocalDatabase(apnName, apns); - if (apns.size() <= 0) { - LogUtil.w(LogUtil.BUGLE_TAG, "Failed to load any APN"); - } - } - - /** - * Load from Gservices if APN setting is set in Gservices - * - * @param apns the list used to return results - */ - private void loadFromGservices(final List<Apn> apns) { - final BugleGservices gservices = BugleGservices.get(); - final String mmsc = gservices.getString(BugleGservicesKeys.MMS_MMSC, null); - if (TextUtils.isEmpty(mmsc)) { - return; - } - LogUtil.i(LogUtil.BUGLE_TAG, "Loading APNs from gservices"); - final String proxy = gservices.getString(BugleGservicesKeys.MMS_PROXY_ADDRESS, null); - final int port = gservices.getInt(BugleGservicesKeys.MMS_PROXY_PORT, -1); - final Apn apn = BaseApn.from("mms", mmsc, proxy, Integer.toString(port)); - if (apn != null) { - apns.add(apn); - } - } - - /** - * Load matching APNs from telephony provider. - * We try different combinations of the query to work around some platform quirks. - * - * @param subId the SIM subId - * @param apnName the APN name to match - * @param apns the list used to return results - */ - private void loadFromSystem(final int subId, final String apnName, final List<Apn> apns) { - Uri uri; - if (OsUtil.isAtLeastL_MR1() && subId != MmsManager.DEFAULT_SUB_ID) { - uri = Uri.withAppendedPath(Telephony.Carriers.CONTENT_URI, "/subId/" + subId); - } else { - uri = Telephony.Carriers.CONTENT_URI; - } - Cursor cursor = null; - try { - for (; ; ) { - // Try different combinations of queries. Some would work on some platforms. - // So we query each combination until we find one returns non-empty result. - cursor = querySystem(uri, true/*checkCurrent*/, apnName); - if (cursor != null) { - break; - } - cursor = querySystem(uri, false/*checkCurrent*/, apnName); - if (cursor != null) { - break; - } - cursor = querySystem(uri, true/*checkCurrent*/, null/*apnName*/); - if (cursor != null) { - break; - } - cursor = querySystem(uri, false/*checkCurrent*/, null/*apnName*/); - break; - } - } catch (final SecurityException e) { - // Can't access platform APN table, return directly - return; - } - if (cursor == null) { - return; - } - try { - if (cursor.moveToFirst()) { - final ApnSettingsLoader.Apn apn = BaseApn.from( - cursor.getString(COLUMN_TYPE), - cursor.getString(COLUMN_MMSC), - cursor.getString(COLUMN_MMSPROXY), - cursor.getString(COLUMN_MMSPORT)); - if (apn != null) { - apns.add(apn); - } - } - } finally { - cursor.close(); - } - } - - /** - * Query system APN table - * - * @param uri The APN query URL to use - * @param checkCurrent If add "CURRENT IS NOT NULL" condition - * @param apnName The optional APN name for query condition - * @return A cursor of the query result. If a cursor is returned as not null, it is - * guaranteed to contain at least one row. - */ - private Cursor querySystem(final Uri uri, final boolean checkCurrent, String apnName) { - LogUtil.i(LogUtil.BUGLE_TAG, "Loading APNs from system, " - + "checkCurrent=" + checkCurrent + " apnName=" + apnName); - final StringBuilder selectionBuilder = new StringBuilder(); - String[] selectionArgs = null; - if (checkCurrent) { - selectionBuilder.append(SELECTION_CURRENT); - } - apnName = trimWithNullCheck(apnName); - if (!TextUtils.isEmpty(apnName)) { - if (selectionBuilder.length() > 0) { - selectionBuilder.append(" AND "); - } - selectionBuilder.append(SELECTION_APN); - selectionArgs = new String[] { apnName }; - } - try { - final Cursor cursor = SqliteWrapper.query( - mContext, - mContext.getContentResolver(), - uri, - APN_PROJECTION_SYSTEM, - selectionBuilder.toString(), - selectionArgs, - null/*sortOrder*/); - if (cursor == null || cursor.getCount() < 1) { - if (cursor != null) { - cursor.close(); - } - LogUtil.w(LogUtil.BUGLE_TAG, "Query " + uri + " with apn " + apnName + " and " - + (checkCurrent ? "checking CURRENT" : "not checking CURRENT") - + " returned empty"); - return null; - } - return cursor; - } catch (final SQLiteException e) { - LogUtil.w(LogUtil.BUGLE_TAG, "APN table query exception: " + e); - } catch (final SecurityException e) { - LogUtil.w(LogUtil.BUGLE_TAG, "Platform restricts APN table access: " + e); - throw e; - } - return null; - } - - /** - * Load matching APNs from local APN table. - * We try both using the APN name and not using the APN name. - * - * @param apnName the APN name - * @param apns the list of results to return - */ - private void loadFromLocalDatabase(final String apnName, final List<Apn> apns) { - LogUtil.i(LogUtil.BUGLE_TAG, "Loading APNs from local APN table"); - final SQLiteDatabase database = ApnDatabase.getApnDatabase().getWritableDatabase(); - final String mccMnc = PhoneUtils.getMccMncString(PhoneUtils.getDefault().getMccMnc()); - Cursor cursor = null; - cursor = queryLocalDatabase(database, mccMnc, apnName); - if (cursor == null) { - cursor = queryLocalDatabase(database, mccMnc, null/*apnName*/); - } - if (cursor == null) { - LogUtil.w(LogUtil.BUGLE_TAG, "Could not find any APN in local table"); - return; - } - try { - while (cursor.moveToNext()) { - final Apn apn = DatabaseApn.from(apns, - cursor.getString(COLUMN_TYPE), - cursor.getString(COLUMN_MMSC), - cursor.getString(COLUMN_MMSPROXY), - cursor.getString(COLUMN_MMSPORT), - cursor.getLong(COLUMN_ID), - cursor.getInt(COLUMN_CURRENT)); - if (apn != null) { - apns.add(apn); - } - } - } finally { - cursor.close(); - } - } - - /** - * Make a query of local APN table based on MCC/MNC and APN name, sorted by CURRENT - * column in descending order - * - * @param db the local database - * @param numeric the MCC/MNC string - * @param apnName the optional APN name to match - * @return the cursor of the query, null if no result - */ - private static Cursor queryLocalDatabase(final SQLiteDatabase db, final String numeric, - final String apnName) { - final String selection; - final String[] selectionArgs; - if (TextUtils.isEmpty(apnName)) { - selection = SELECTION_NUMERIC; - selectionArgs = new String[] { numeric }; - } else { - selection = SELECTION_NUMERIC + " AND " + SELECTION_APN; - selectionArgs = new String[] { numeric, apnName }; - } - Cursor cursor = null; - try { - cursor = db.query(ApnDatabase.APN_TABLE, APN_PROJECTION_LOCAL, selection, selectionArgs, - null/*groupBy*/, null/*having*/, ORDER_BY, null/*limit*/); - } catch (final SQLiteException e) { - LogUtil.w(LogUtil.BUGLE_TAG, "Local APN table does not exist. Try rebuilding.", e); - ApnDatabase.forceBuildAndLoadApnTables(); - cursor = db.query(ApnDatabase.APN_TABLE, APN_PROJECTION_LOCAL, selection, selectionArgs, - null/*groupBy*/, null/*having*/, ORDER_BY, null/*limit*/); - } - if (cursor == null || cursor.getCount() < 1) { - if (cursor != null) { - cursor.close(); - } - LogUtil.w(LogUtil.BUGLE_TAG, "Query local APNs with apn " + apnName - + " returned empty"); - return null; - } - return cursor; - } - - private static String trimWithNullCheck(final String value) { - return value != null ? value.trim() : null; - } - - /** - * Trim leading zeros from IPv4 address strings - * Our base libraries will interpret that as octel.. - * Must leave non v4 addresses and host names alone. - * For example, 192.168.000.010 -> 192.168.0.10 - * - * @param addr a string representing an ip addr - * @return a string propertly trimmed - */ - private static String trimV4AddrZeros(final String addr) { - if (addr == null) { - return null; - } - final String[] octets = addr.split("\\."); - if (octets.length != 4) { - return addr; - } - final StringBuilder builder = new StringBuilder(16); - String result = null; - for (int i = 0; i < 4; i++) { - try { - if (octets[i].length() > 3) { - return addr; - } - builder.append(Integer.parseInt(octets[i])); - } catch (final NumberFormatException e) { - return addr; - } - if (i < 3) { - builder.append('.'); - } - } - result = builder.toString(); - return result; - } - - /** - * Check if the APN contains the APN type we want - * - * @param types The string encodes a list of supported types - * @param requestType The type we want - * @return true if the input types string contains the requestType - */ - public static boolean isValidApnType(final String types, final String requestType) { - // If APN type is unspecified, assume APN_TYPE_ALL. - if (TextUtils.isEmpty(types)) { - return true; - } - for (final String t : types.split(",")) { - if (t.equals(requestType) || t.equals(APN_TYPE_ALL)) { - return true; - } - } - return false; - } - - /** - * Get the ID of first APN to try - */ - public static String getFirstTryApn(final SQLiteDatabase database, final String mccMnc) { - String key = null; - Cursor cursor = null; - try { - cursor = queryLocalDatabase(database, mccMnc, null/*apnName*/); - if (cursor.moveToFirst()) { - key = cursor.getString(ApnDatabase.COLUMN_ID); - } - } catch (final Exception e) { - // Nothing to do - } finally { - if (cursor != null) { - cursor.close(); - } - } - return key; - } -} |