Initial checkin of AOSP Messaging app.
b/23110861 Change-Id: I9aa980d7569247d6b2ca78f5dcb4502e1eaadb8a
This commit is contained in:
Mike Dodd
497
src/android/support/v7/mms/DefaultApnSettingsLoader.java
Normal file
497
src/android/support/v7/mms/DefaultApnSettingsLoader.java
Normal file
@@ -0,0 +1,497 @@
|
||||
/*
|
||||
* 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 android.support.v7.mms;
|
||||
|
||||
import android.content.ContentValues;
|
||||
import android.content.Context;
|
||||
import android.content.res.Resources;
|
||||
import android.content.res.XmlResourceParser;
|
||||
import android.database.Cursor;
|
||||
import android.database.sqlite.SQLiteException;
|
||||
import android.net.Uri;
|
||||
import android.provider.Telephony;
|
||||
import android.text.TextUtils;
|
||||
import android.util.Log;
|
||||
import android.util.SparseArray;
|
||||
|
||||
import com.android.messaging.R;
|
||||
|
||||
import java.net.URI;
|
||||
import java.net.URISyntaxException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Default implementation of APN settings loader
|
||||
*/
|
||||
class DefaultApnSettingsLoader 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();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* An in-memory implementation of an APN. These APNs are organized into an in-memory list.
|
||||
* The order of the list can be changed by the setSuccess method.
|
||||
*/
|
||||
private static class MemoryApn implements Apn {
|
||||
/**
|
||||
* Create an in-memory APN loaded from resources
|
||||
*
|
||||
* @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
|
||||
* @return an in-memory APN instance, null if there is invalid parameter
|
||||
*/
|
||||
public static MemoryApn from(final List<Apn> apns, final String typesIn,
|
||||
final String mmscIn, final String proxyIn, final String portIn) {
|
||||
if (apns == null) {
|
||||
return null;
|
||||
}
|
||||
final BaseApn base = BaseApn.from(typesIn, mmscIn, proxyIn, portIn);
|
||||
if (base == null) {
|
||||
return null;
|
||||
}
|
||||
for (final Apn apn : apns) {
|
||||
if (apn instanceof MemoryApn && ((MemoryApn) apn).equals(base)) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
return new MemoryApn(apns, base);
|
||||
}
|
||||
|
||||
private final List<Apn> mApns;
|
||||
private final BaseApn mBase;
|
||||
|
||||
public MemoryApn(final List<Apn> apns, final BaseApn base) {
|
||||
mApns = apns;
|
||||
mBase = base;
|
||||
}
|
||||
|
||||
@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() {
|
||||
// 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) {
|
||||
Log.d(MmsService.TAG, "Set APN ["
|
||||
+ "MMSC=" + getMmsc() + ", "
|
||||
+ "PROXY=" + getMmsProxy() + ", "
|
||||
+ "PORT=" + getMmsProxyPort() + "] to be first");
|
||||
}
|
||||
}
|
||||
|
||||
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 = {
|
||||
Telephony.Carriers.TYPE,
|
||||
Telephony.Carriers.MMSC,
|
||||
Telephony.Carriers.MMSPROXY,
|
||||
Telephony.Carriers.MMSPORT,
|
||||
};
|
||||
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 String APN_MCC = "mcc";
|
||||
private static final String APN_MNC = "mnc";
|
||||
private static final String APN_APN = "apn";
|
||||
private static final String APN_TYPE = "type";
|
||||
private static final String APN_MMSC = "mmsc";
|
||||
private static final String APN_MMSPROXY = "mmsproxy";
|
||||
private static final String APN_MMSPORT = "mmsport";
|
||||
|
||||
private final Context mContext;
|
||||
|
||||
// Cached APNs for subIds
|
||||
private final SparseArray<List<Apn>> mApnsCache;
|
||||
|
||||
DefaultApnSettingsLoader(final Context context) {
|
||||
mContext = context;
|
||||
mApnsCache = new SparseArray<>();
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Apn> get(final String apnName) {
|
||||
final int subId = Utils.getEffectiveSubscriptionId(MmsManager.DEFAULT_SUB_ID);
|
||||
List<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) {
|
||||
Log.i(MmsService.TAG, "Loaded " + apns.size() + " APNs");
|
||||
}
|
||||
return apns;
|
||||
}
|
||||
|
||||
private void loadLocked(final int subId, final String apnName, final List<Apn> apns) {
|
||||
// Try system APN table first
|
||||
loadFromSystem(subId, apnName, apns);
|
||||
if (apns.size() > 0) {
|
||||
return;
|
||||
}
|
||||
// Try loading from apns.xml in resources
|
||||
loadFromResources(subId, apnName, apns);
|
||||
if (apns.size() > 0) {
|
||||
return;
|
||||
}
|
||||
// Try resources but without APN name
|
||||
loadFromResources(subId, null/*apnName*/, apns);
|
||||
}
|
||||
|
||||
/**
|
||||
* 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 (Utils.supportMSim() && 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 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) {
|
||||
Log.i(MmsService.TAG, "Loading APNs from system, "
|
||||
+ "checkCurrent=" + checkCurrent + " apnName=" + apnName);
|
||||
final StringBuilder selectionBuilder = new StringBuilder();
|
||||
String[] selectionArgs = null;
|
||||
if (checkCurrent) {
|
||||
selectionBuilder.append(Telephony.Carriers.CURRENT).append(" IS NOT NULL");
|
||||
}
|
||||
apnName = trimWithNullCheck(apnName);
|
||||
if (!TextUtils.isEmpty(apnName)) {
|
||||
if (selectionBuilder.length() > 0) {
|
||||
selectionBuilder.append(" AND ");
|
||||
}
|
||||
selectionBuilder.append(Telephony.Carriers.APN).append("=?");
|
||||
selectionArgs = new String[] { apnName };
|
||||
}
|
||||
try {
|
||||
final Cursor cursor = mContext.getContentResolver().query(
|
||||
uri,
|
||||
APN_PROJECTION,
|
||||
selectionBuilder.toString(),
|
||||
selectionArgs,
|
||||
null/*sortOrder*/);
|
||||
if (cursor == null || cursor.getCount() < 1) {
|
||||
if (cursor != null) {
|
||||
cursor.close();
|
||||
}
|
||||
Log.w(MmsService.TAG, "Query " + uri + " with apn " + apnName + " and "
|
||||
+ (checkCurrent ? "checking CURRENT" : "not checking CURRENT")
|
||||
+ " returned empty");
|
||||
return null;
|
||||
}
|
||||
return cursor;
|
||||
} catch (final SQLiteException e) {
|
||||
Log.w(MmsService.TAG, "APN table query exception: " + e);
|
||||
} catch (final SecurityException e) {
|
||||
Log.w(MmsService.TAG, "Platform restricts APN table access: " + e);
|
||||
throw e;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find matching APNs using builtin APN list resource
|
||||
*
|
||||
* @param subId the SIM subId
|
||||
* @param apnName the APN name to match
|
||||
* @param apns the list for returning results
|
||||
*/
|
||||
private void loadFromResources(final int subId, final String apnName, final List<Apn> apns) {
|
||||
Log.i(MmsService.TAG, "Loading APNs from resources, apnName=" + apnName);
|
||||
final int[] mccMnc = Utils.getMccMnc(mContext, subId);
|
||||
if (mccMnc[0] == 0 && mccMnc[0] == 0) {
|
||||
Log.w(MmsService.TAG, "Can not get valid mcc/mnc from system");
|
||||
return;
|
||||
}
|
||||
// MCC/MNC is good, loading/querying APNs from XML
|
||||
XmlResourceParser xml = null;
|
||||
try {
|
||||
xml = mContext.getResources().getXml(R.xml.apns);
|
||||
new ApnsXmlParser(xml, new ApnsXmlParser.ApnProcessor() {
|
||||
@Override
|
||||
public void process(ContentValues apnValues) {
|
||||
final String mcc = trimWithNullCheck(apnValues.getAsString(APN_MCC));
|
||||
final String mnc = trimWithNullCheck(apnValues.getAsString(APN_MNC));
|
||||
final String apn = trimWithNullCheck(apnValues.getAsString(APN_APN));
|
||||
try {
|
||||
if (mccMnc[0] == Integer.parseInt(mcc) &&
|
||||
mccMnc[1] == Integer.parseInt(mnc) &&
|
||||
(TextUtils.isEmpty(apnName) || apnName.equalsIgnoreCase(apn))) {
|
||||
final String type = apnValues.getAsString(APN_TYPE);
|
||||
final String mmsc = apnValues.getAsString(APN_MMSC);
|
||||
final String mmsproxy = apnValues.getAsString(APN_MMSPROXY);
|
||||
final String mmsport = apnValues.getAsString(APN_MMSPORT);
|
||||
final Apn newApn = MemoryApn.from(apns, type, mmsc, mmsproxy, mmsport);
|
||||
if (newApn != null) {
|
||||
apns.add(newApn);
|
||||
}
|
||||
}
|
||||
} catch (final NumberFormatException e) {
|
||||
// Ignore
|
||||
}
|
||||
}
|
||||
}).parse();
|
||||
} catch (final Resources.NotFoundException e) {
|
||||
Log.w(MmsService.TAG, "Can not get apns.xml " + e);
|
||||
} finally {
|
||||
if (xml != null) {
|
||||
xml.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user