2483 lines
116 KiB
Java
2483 lines
116 KiB
Java
/*
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* Copyright (C) 2008-2009 Marc Blank
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* Licensed to The Android Open Source Project.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.exchange;
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import com.android.emailcommon.Device;
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import com.android.emailcommon.mail.Address;
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import com.android.emailcommon.mail.MeetingInfo;
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import com.android.emailcommon.mail.MessagingException;
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import com.android.emailcommon.mail.PackedString;
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import com.android.emailcommon.provider.EmailContent.Account;
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import com.android.emailcommon.provider.EmailContent.AccountColumns;
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import com.android.emailcommon.provider.EmailContent.Attachment;
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import com.android.emailcommon.provider.EmailContent.AttachmentColumns;
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import com.android.emailcommon.provider.EmailContent.HostAuth;
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import com.android.emailcommon.provider.EmailContent.Mailbox;
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import com.android.emailcommon.provider.EmailContent.MailboxColumns;
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import com.android.emailcommon.provider.EmailContent.Message;
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import com.android.emailcommon.provider.EmailContent.MessageColumns;
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import com.android.emailcommon.provider.EmailContent.SyncColumns;
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import com.android.emailcommon.service.EmailServiceConstants;
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import com.android.emailcommon.service.EmailServiceProxy;
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import com.android.emailcommon.service.EmailServiceStatus;
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import com.android.emailcommon.service.PolicyServiceProxy;
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import com.android.emailcommon.service.PolicySet;
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import com.android.emailcommon.utility.Utility;
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import com.android.exchange.adapter.AbstractSyncAdapter;
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import com.android.exchange.adapter.AccountSyncAdapter;
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import com.android.exchange.adapter.CalendarSyncAdapter;
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import com.android.exchange.adapter.ContactsSyncAdapter;
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import com.android.exchange.adapter.EmailSyncAdapter;
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import com.android.exchange.adapter.FolderSyncParser;
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import com.android.exchange.adapter.GalParser;
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import com.android.exchange.adapter.MeetingResponseParser;
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import com.android.exchange.adapter.MoveItemsParser;
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import com.android.exchange.adapter.Parser.EasParserException;
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import com.android.exchange.adapter.PingParser;
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import com.android.exchange.adapter.ProvisionParser;
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import com.android.exchange.adapter.Serializer;
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import com.android.exchange.adapter.Tags;
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import com.android.exchange.provider.GalResult;
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import com.android.exchange.utility.CalendarUtilities;
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import org.apache.http.Header;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.HttpStatus;
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import org.apache.http.client.HttpClient;
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import org.apache.http.client.methods.HttpOptions;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.methods.HttpRequestBase;
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import org.apache.http.conn.ClientConnectionManager;
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import org.apache.http.entity.ByteArrayEntity;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.DefaultHttpClient;
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import org.apache.http.params.BasicHttpParams;
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import org.apache.http.params.HttpConnectionParams;
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import org.apache.http.params.HttpParams;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import org.xmlpull.v1.XmlPullParserFactory;
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import org.xmlpull.v1.XmlSerializer;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.Entity;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.RemoteException;
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import android.os.SystemClock;
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import android.provider.Calendar.Attendees;
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import android.provider.Calendar.Events;
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import android.text.TextUtils;
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import android.util.Base64;
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import android.util.Log;
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import android.util.Xml;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.Thread.State;
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import java.net.URI;
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import java.security.cert.CertificateException;
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import java.util.ArrayList;
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import java.util.HashMap;
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public class EasSyncService extends AbstractSyncService {
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// DO NOT CHECK IN SET TO TRUE
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public static final boolean DEBUG_GAL_SERVICE = false;
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private static final String WHERE_ACCOUNT_KEY_AND_SERVER_ID =
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MailboxColumns.ACCOUNT_KEY + "=? and " + MailboxColumns.SERVER_ID + "=?";
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private static final String WHERE_ACCOUNT_AND_SYNC_INTERVAL_PING =
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MailboxColumns.ACCOUNT_KEY + "=? and " + MailboxColumns.SYNC_INTERVAL +
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'=' + Mailbox.CHECK_INTERVAL_PING;
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private static final String AND_FREQUENCY_PING_PUSH_AND_NOT_ACCOUNT_MAILBOX = " AND " +
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MailboxColumns.SYNC_INTERVAL + " IN (" + Mailbox.CHECK_INTERVAL_PING +
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',' + Mailbox.CHECK_INTERVAL_PUSH + ") AND " + MailboxColumns.TYPE + "!=\"" +
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Mailbox.TYPE_EAS_ACCOUNT_MAILBOX + '\"';
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private static final String WHERE_PUSH_HOLD_NOT_ACCOUNT_MAILBOX =
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MailboxColumns.ACCOUNT_KEY + "=? and " + MailboxColumns.SYNC_INTERVAL +
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'=' + Mailbox.CHECK_INTERVAL_PUSH_HOLD;
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static private final int CHUNK_SIZE = 16*1024;
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static private final String PING_COMMAND = "Ping";
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// Command timeout is the the time allowed for reading data from an open connection before an
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// IOException is thrown. After a small added allowance, our watchdog alarm goes off (allowing
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// us to detect a silently dropped connection). The allowance is defined below.
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static private final int COMMAND_TIMEOUT = 30*SECONDS;
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// Connection timeout is the time given to connect to the server before reporting an IOException
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static private final int CONNECTION_TIMEOUT = 20*SECONDS;
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// The extra time allowed beyond the COMMAND_TIMEOUT before which our watchdog alarm triggers
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static private final int WATCHDOG_TIMEOUT_ALLOWANCE = 30*SECONDS;
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// The amount of time the account mailbox will sleep if there are no pingable mailboxes
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// This could happen if the sync time is set to "never"; we always want to check in from time
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// to time, however, for folder list/policy changes
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static private final int ACCOUNT_MAILBOX_SLEEP_TIME = 20*MINUTES;
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static private final String ACCOUNT_MAILBOX_SLEEP_TEXT =
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"Account mailbox sleeping for " + (ACCOUNT_MAILBOX_SLEEP_TIME / MINUTES) + "m";
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static private final String AUTO_DISCOVER_SCHEMA_PREFIX =
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"http://schemas.microsoft.com/exchange/autodiscover/mobilesync/";
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static private final String AUTO_DISCOVER_PAGE = "/autodiscover/autodiscover.xml";
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static private final int AUTO_DISCOVER_REDIRECT_CODE = 451;
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static private final int INTERNAL_SERVER_ERROR_CODE = 500;
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static public final String EAS_12_POLICY_TYPE = "MS-EAS-Provisioning-WBXML";
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static public final String EAS_2_POLICY_TYPE = "MS-WAP-Provisioning-XML";
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static public final int MESSAGE_FLAG_MOVED_MESSAGE = 1 << Message.FLAG_SYNC_ADAPTER_SHIFT;
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/**
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* We start with an 8 minute timeout, and increase/decrease by 3 minutes at a time. There's
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* no point having a timeout shorter than 5 minutes, I think; at that point, we can just let
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* the ping exception out. The maximum I use is 17 minutes, which is really an empirical
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* choice; too long and we risk silent connection loss and loss of push for that period. Too
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* short and we lose efficiency/battery life.
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*
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* If we ever have to drop the ping timeout, we'll never increase it again. There's no point
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* going into hysteresis; the NAT timeout isn't going to change without a change in connection,
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* which will cause the sync service to be restarted at the starting heartbeat and going through
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* the process again.
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*/
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static private final int PING_MINUTES = 60; // in seconds
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static private final int PING_FUDGE_LOW = 10;
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static private final int PING_STARTING_HEARTBEAT = (8*PING_MINUTES)-PING_FUDGE_LOW;
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static private final int PING_HEARTBEAT_INCREMENT = 3*PING_MINUTES;
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// Maximum number of times we'll allow a sync to "loop" with MoreAvailable true before
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// forcing it to stop. This number has been determined empirically.
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static private final int MAX_LOOPING_COUNT = 100;
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static private final int PROTOCOL_PING_STATUS_COMPLETED = 1;
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// The amount of time we allow for a thread to release its post lock after receiving an alert
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static private final int POST_LOCK_TIMEOUT = 10*SECONDS;
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// Fallbacks (in minutes) for ping loop failures
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static private final int MAX_PING_FAILURES = 1;
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static private final int PING_FALLBACK_INBOX = 5;
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static private final int PING_FALLBACK_PIM = 25;
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// MSFT's custom HTTP result code indicating the need to provision
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static private final int HTTP_NEED_PROVISIONING = 449;
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// The EAS protocol Provision status for "we implement all of the policies"
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static private final String PROVISION_STATUS_OK = "1";
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// The EAS protocol Provision status meaning "we partially implement the policies"
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static private final String PROVISION_STATUS_PARTIAL = "2";
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static /*package*/ final String DEVICE_TYPE = "Android";
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static private final String USER_AGENT = DEVICE_TYPE + '/' + Build.VERSION.RELEASE + '-' +
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Eas.CLIENT_VERSION;
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// Reasonable default
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public String mProtocolVersion = Eas.DEFAULT_PROTOCOL_VERSION;
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public Double mProtocolVersionDouble;
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protected String mDeviceId = null;
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/*package*/ String mAuthString = null;
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/*package*/ String mCmdString = null;
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public String mHostAddress;
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public String mUserName;
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public String mPassword;
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private boolean mSsl = true;
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private boolean mTrustSsl = false;
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public ContentResolver mContentResolver;
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private String[] mBindArguments = new String[2];
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private ArrayList<String> mPingChangeList;
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// The HttpPost in progress
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private volatile HttpPost mPendingPost = null;
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// Our heartbeat when we are waiting for ping boxes to be ready
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/*package*/ int mPingForceHeartbeat = 2*PING_MINUTES;
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// The minimum heartbeat we will send
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/*package*/ int mPingMinHeartbeat = (5*PING_MINUTES)-PING_FUDGE_LOW;
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// The maximum heartbeat we will send
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/*package*/ int mPingMaxHeartbeat = (17*PING_MINUTES)-PING_FUDGE_LOW;
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// The ping time (in seconds)
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/*package*/ int mPingHeartbeat = PING_STARTING_HEARTBEAT;
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// The longest successful ping heartbeat
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private int mPingHighWaterMark = 0;
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// Whether we've ever lowered the heartbeat
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/*package*/ boolean mPingHeartbeatDropped = false;
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// Whether a POST was aborted due to alarm (watchdog alarm)
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private boolean mPostAborted = false;
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// Whether a POST was aborted due to reset
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private boolean mPostReset = false;
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// Whether or not the sync service is valid (usable)
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public boolean mIsValid = true;
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public EasSyncService(Context _context, Mailbox _mailbox) {
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super(_context, _mailbox);
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mContentResolver = _context.getContentResolver();
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if (mAccount == null) {
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mIsValid = false;
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return;
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}
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HostAuth ha = HostAuth.restoreHostAuthWithId(_context, mAccount.mHostAuthKeyRecv);
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if (ha == null) {
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mIsValid = false;
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return;
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}
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mSsl = (ha.mFlags & HostAuth.FLAG_SSL) != 0;
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mTrustSsl = (ha.mFlags & HostAuth.FLAG_TRUST_ALL_CERTIFICATES) != 0;
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}
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private EasSyncService(String prefix) {
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super(prefix);
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}
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public EasSyncService() {
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this("EAS Validation");
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}
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@Override
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/**
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* Try to wake up a sync thread that is waiting on an HttpClient POST and has waited past its
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* socket timeout without having thrown an Exception
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*
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* @return true if the POST was successfully stopped; false if we've failed and interrupted
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* the thread
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*/
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public boolean alarm() {
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HttpPost post;
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if (mThread == null) return true;
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String threadName = mThread.getName();
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// Synchronize here so that we are guaranteed to have valid mPendingPost and mPostLock
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// executePostWithTimeout (which executes the HttpPost) also uses this lock
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synchronized(getSynchronizer()) {
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// Get a reference to the current post lock
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post = mPendingPost;
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if (post != null) {
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if (Eas.USER_LOG) {
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URI uri = post.getURI();
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if (uri != null) {
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String query = uri.getQuery();
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if (query == null) {
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query = "POST";
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}
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userLog(threadName, ": Alert, aborting ", query);
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} else {
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userLog(threadName, ": Alert, no URI?");
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}
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}
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// Abort the POST
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mPostAborted = true;
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post.abort();
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} else {
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// If there's no POST, we're done
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userLog("Alert, no pending POST");
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return true;
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}
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}
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// Wait for the POST to finish
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try {
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Thread.sleep(POST_LOCK_TIMEOUT);
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} catch (InterruptedException e) {
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}
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State s = mThread.getState();
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if (Eas.USER_LOG) {
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userLog(threadName + ": State = " + s.name());
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}
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synchronized (getSynchronizer()) {
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// If the thread is still hanging around and the same post is pending, let's try to
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// stop the thread with an interrupt.
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if ((s != State.TERMINATED) && (mPendingPost != null) && (mPendingPost == post)) {
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mStop = true;
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mThread.interrupt();
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userLog("Interrupting...");
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// Let the caller know we had to interrupt the thread
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return false;
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}
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}
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// Let the caller know that the alarm was handled normally
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return true;
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}
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@Override
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public void reset() {
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synchronized(getSynchronizer()) {
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if (mPendingPost != null) {
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URI uri = mPendingPost.getURI();
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if (uri != null) {
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String query = uri.getQuery();
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if (query.startsWith("Cmd=Ping")) {
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userLog("Reset, aborting Ping");
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mPostReset = true;
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mPendingPost.abort();
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}
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}
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}
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}
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}
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@Override
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public void stop() {
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mStop = true;
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synchronized(getSynchronizer()) {
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if (mPendingPost != null) {
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mPendingPost.abort();
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}
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}
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}
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/**
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* Determine whether an HTTP code represents an authentication error
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* @param code the HTTP code returned by the server
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* @return whether or not the code represents an authentication error
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*/
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protected boolean isAuthError(int code) {
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return (code == HttpStatus.SC_UNAUTHORIZED) || (code == HttpStatus.SC_FORBIDDEN);
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}
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/**
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* Determine whether an HTTP code represents a provisioning error
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* @param code the HTTP code returned by the server
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* @return whether or not the code represents an provisioning error
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*/
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protected boolean isProvisionError(int code) {
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return (code == HTTP_NEED_PROVISIONING) || (code == HttpStatus.SC_FORBIDDEN);
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}
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private void setupProtocolVersion(EasSyncService service, Header versionHeader)
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throws MessagingException {
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// The string is a comma separated list of EAS versions in ascending order
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// e.g. 1.0,2.0,2.5,12.0,12.1
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String supportedVersions = versionHeader.getValue();
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userLog("Server supports versions: ", supportedVersions);
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String[] supportedVersionsArray = supportedVersions.split(",");
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String ourVersion = null;
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// Find the most recent version we support
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for (String version: supportedVersionsArray) {
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if (version.equals(Eas.SUPPORTED_PROTOCOL_EX2003) ||
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version.equals(Eas.SUPPORTED_PROTOCOL_EX2007) ||
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version.equals(Eas.SUPPORTED_PROTOCOL_EX2007_SP1)) {
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ourVersion = version;
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}
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}
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// If we don't support any of the servers supported versions, throw an exception here
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// This will cause validation to fail
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if (ourVersion == null) {
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Log.w(TAG, "No supported EAS versions: " + supportedVersions);
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throw new MessagingException(MessagingException.PROTOCOL_VERSION_UNSUPPORTED);
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} else {
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service.mProtocolVersion = ourVersion;
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service.mProtocolVersionDouble = Eas.getProtocolVersionDouble(ourVersion);
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if (service.mAccount != null) {
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service.mAccount.mProtocolVersion = ourVersion;
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}
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}
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}
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@Override
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public Bundle validateAccount(String hostAddress, String userName, String password, int port,
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boolean ssl, boolean trustCertificates, Context context) {
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Bundle bundle = new Bundle();
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int resultCode = MessagingException.NO_ERROR;
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try {
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userLog("Testing EAS: ", hostAddress, ", ", userName, ", ssl = ", ssl ? "1" : "0");
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EasSyncService svc = new EasSyncService("%TestAccount%");
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svc.mContext = context;
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svc.mHostAddress = hostAddress;
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svc.mUserName = userName;
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svc.mPassword = password;
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svc.mSsl = ssl;
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svc.mTrustSsl = trustCertificates;
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// We mustn't use the "real" device id or we'll screw up current accounts
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// Any string will do, but we'll go for "validate"
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svc.mDeviceId = "validate";
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HttpResponse resp = svc.sendHttpClientOptions();
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HttpEntity entity = resp.getEntity();
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try {
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int code = resp.getStatusLine().getStatusCode();
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userLog("Validation (OPTIONS) response: " + code);
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if (code == HttpStatus.SC_OK) {
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// No exception means successful validation
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Header commands = resp.getFirstHeader("MS-ASProtocolCommands");
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Header versions = resp.getFirstHeader("ms-asprotocolversions");
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// Make sure we've got the right protocol version set up
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try {
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if (commands == null || versions == null) {
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userLog("OPTIONS response without commands or versions");
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// We'll treat this as a protocol exception
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throw new MessagingException(0);
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}
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setupProtocolVersion(svc, versions);
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} catch (MessagingException e) {
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bundle.putInt(EmailServiceProxy.VALIDATE_BUNDLE_RESULT_CODE,
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MessagingException.PROTOCOL_VERSION_UNSUPPORTED);
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return bundle;
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}
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// Run second test here for provisioning failures using FolderSync
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userLog("Try folder sync");
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// Send "0" as the sync key for new accounts; otherwise, use the current key
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String syncKey = "0";
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Account existingAccount =
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Utility.findExistingAccount(context, -1L, hostAddress, userName);
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if (existingAccount != null && existingAccount.mSyncKey != null) {
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syncKey = existingAccount.mSyncKey;
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}
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Serializer s = new Serializer();
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s.start(Tags.FOLDER_FOLDER_SYNC).start(Tags.FOLDER_SYNC_KEY).text(syncKey)
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.end().end().done();
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resp = svc.sendHttpClientPost("FolderSync", s.toByteArray());
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code = resp.getStatusLine().getStatusCode();
|
|
// We'll get one of the following responses if policies are required
|
|
if (code == HttpStatus.SC_FORBIDDEN || code == HTTP_NEED_PROVISIONING) {
|
|
// Get the policies and see if we are able to support them
|
|
ProvisionParser pp = svc.canProvision();
|
|
if (pp != null) {
|
|
// Set the proper result code and save the PolicySet in our Bundle
|
|
resultCode = MessagingException.SECURITY_POLICIES_REQUIRED;
|
|
bundle.putParcelable(EmailServiceProxy.VALIDATE_BUNDLE_POLICY_SET,
|
|
pp.getPolicySet());
|
|
} else
|
|
// If not, set the proper code (the account will not be created)
|
|
resultCode = MessagingException.SECURITY_POLICIES_UNSUPPORTED;
|
|
} else if (code == HttpStatus.SC_NOT_FOUND) {
|
|
// We get a 404 from OWA addresses (which are NOT EAS addresses)
|
|
resultCode = MessagingException.PROTOCOL_VERSION_UNSUPPORTED;
|
|
} else if (code != HttpStatus.SC_OK) {
|
|
// Fail generically with anything other than success
|
|
userLog("Unexpected response for FolderSync: ", code);
|
|
resultCode = MessagingException.UNSPECIFIED_EXCEPTION;
|
|
} else {
|
|
userLog("Validation successful");
|
|
}
|
|
} else if (isAuthError(code)) {
|
|
userLog("Authentication failed");
|
|
resultCode = MessagingException.AUTHENTICATION_FAILED;
|
|
} else if (code == INTERNAL_SERVER_ERROR_CODE) {
|
|
// For Exchange 2003, this could mean an authentication failure OR server error
|
|
userLog("Internal server error");
|
|
resultCode = MessagingException.AUTHENTICATION_FAILED_OR_SERVER_ERROR;
|
|
} else {
|
|
// TODO Need to catch other kinds of errors (e.g. policy) For now, report code.
|
|
userLog("Validation failed, reporting I/O error: ", code);
|
|
resultCode = MessagingException.IOERROR;
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
} catch (IOException e) {
|
|
Throwable cause = e.getCause();
|
|
if (cause != null && cause instanceof CertificateException) {
|
|
userLog("CertificateException caught: ", e.getMessage());
|
|
resultCode = MessagingException.GENERAL_SECURITY;
|
|
}
|
|
userLog("IOException caught: ", e.getMessage());
|
|
resultCode = MessagingException.IOERROR;
|
|
}
|
|
bundle.putInt(EmailServiceProxy.VALIDATE_BUNDLE_RESULT_CODE, resultCode);
|
|
return bundle;
|
|
}
|
|
|
|
/**
|
|
* Gets the redirect location from the HTTP headers and uses that to modify the HttpPost so that
|
|
* it can be reused
|
|
*
|
|
* @param resp the HttpResponse that indicates a redirect (451)
|
|
* @param post the HttpPost that was originally sent to the server
|
|
* @return the HttpPost, updated with the redirect location
|
|
*/
|
|
private HttpPost getRedirect(HttpResponse resp, HttpPost post) {
|
|
Header locHeader = resp.getFirstHeader("X-MS-Location");
|
|
if (locHeader != null) {
|
|
String loc = locHeader.getValue();
|
|
// If we've gotten one and it shows signs of looking like an address, we try
|
|
// sending our request there
|
|
if (loc != null && loc.startsWith("http")) {
|
|
post.setURI(URI.create(loc));
|
|
return post;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Send the POST command to the autodiscover server, handling a redirect, if necessary, and
|
|
* return the HttpResponse. If we get a 401 (unauthorized) error and we're using the
|
|
* full email address, try the bare user name instead (e.g. foo instead of foo@bar.com)
|
|
*
|
|
* @param client the HttpClient to be used for the request
|
|
* @param post the HttpPost we're going to send
|
|
* @param canRetry whether we can retry using the bare name on an authentication failure (401)
|
|
* @return an HttpResponse from the original or redirect server
|
|
* @throws IOException on any IOException within the HttpClient code
|
|
* @throws MessagingException
|
|
*/
|
|
private HttpResponse postAutodiscover(HttpClient client, HttpPost post, boolean canRetry)
|
|
throws IOException, MessagingException {
|
|
userLog("Posting autodiscover to: " + post.getURI());
|
|
HttpResponse resp = executePostWithTimeout(client, post, COMMAND_TIMEOUT);
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
// On a redirect, try the new location
|
|
if (code == AUTO_DISCOVER_REDIRECT_CODE) {
|
|
post = getRedirect(resp, post);
|
|
if (post != null) {
|
|
userLog("Posting autodiscover to redirect: " + post.getURI());
|
|
return executePostWithTimeout(client, post, COMMAND_TIMEOUT);
|
|
}
|
|
// 401 (Unauthorized) is for true auth errors when used in Autodiscover
|
|
} else if (code == HttpStatus.SC_UNAUTHORIZED) {
|
|
if (canRetry && mUserName.contains("@")) {
|
|
// Try again using the bare user name
|
|
int atSignIndex = mUserName.indexOf('@');
|
|
mUserName = mUserName.substring(0, atSignIndex);
|
|
cacheAuthAndCmdString();
|
|
userLog("401 received; trying username: ", mUserName);
|
|
// Recreate the basic authentication string and reset the header
|
|
post.removeHeaders("Authorization");
|
|
post.setHeader("Authorization", mAuthString);
|
|
return postAutodiscover(client, post, false);
|
|
}
|
|
throw new MessagingException(MessagingException.AUTHENTICATION_FAILED);
|
|
// 403 (and others) we'll just punt on
|
|
} else if (code != HttpStatus.SC_OK) {
|
|
// We'll try the next address if this doesn't work
|
|
userLog("Code: " + code + ", throwing IOException");
|
|
throw new IOException();
|
|
}
|
|
return resp;
|
|
}
|
|
|
|
/**
|
|
* Use the Exchange 2007 AutoDiscover feature to try to retrieve server information using
|
|
* only an email address and the password
|
|
*
|
|
* @param userName the user's email address
|
|
* @param password the user's password
|
|
* @return a HostAuth ready to be saved in an Account or null (failure)
|
|
*/
|
|
public Bundle tryAutodiscover(String userName, String password) throws RemoteException {
|
|
XmlSerializer s = Xml.newSerializer();
|
|
ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
|
|
HostAuth hostAuth = new HostAuth();
|
|
Bundle bundle = new Bundle();
|
|
bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
|
|
MessagingException.NO_ERROR);
|
|
try {
|
|
// Build the XML document that's sent to the autodiscover server(s)
|
|
s.setOutput(os, "UTF-8");
|
|
s.startDocument("UTF-8", false);
|
|
s.startTag(null, "Autodiscover");
|
|
s.attribute(null, "xmlns", AUTO_DISCOVER_SCHEMA_PREFIX + "requestschema/2006");
|
|
s.startTag(null, "Request");
|
|
s.startTag(null, "EMailAddress").text(userName).endTag(null, "EMailAddress");
|
|
s.startTag(null, "AcceptableResponseSchema");
|
|
s.text(AUTO_DISCOVER_SCHEMA_PREFIX + "responseschema/2006");
|
|
s.endTag(null, "AcceptableResponseSchema");
|
|
s.endTag(null, "Request");
|
|
s.endTag(null, "Autodiscover");
|
|
s.endDocument();
|
|
String req = os.toString();
|
|
|
|
// Initialize the user name and password
|
|
mUserName = userName;
|
|
mPassword = password;
|
|
// Make sure the authentication string is recreated and cached
|
|
cacheAuthAndCmdString();
|
|
|
|
// Split out the domain name
|
|
int amp = userName.indexOf('@');
|
|
// The UI ensures that userName is a valid email address
|
|
if (amp < 0) {
|
|
throw new RemoteException();
|
|
}
|
|
String domain = userName.substring(amp + 1);
|
|
|
|
// There are up to four attempts here; the two URLs that we're supposed to try per the
|
|
// specification, and up to one redirect for each (handled in postAutodiscover)
|
|
// Note: The expectation is that, of these four attempts, only a single server will
|
|
// actually be identified as the autodiscover server. For the identified server,
|
|
// we may also try a 2nd connection with a different format (bare name).
|
|
|
|
// Try the domain first and see if we can get a response
|
|
HttpPost post = new HttpPost("https://" + domain + AUTO_DISCOVER_PAGE);
|
|
setHeaders(post, false);
|
|
post.setHeader("Content-Type", "text/xml");
|
|
post.setEntity(new StringEntity(req));
|
|
HttpClient client = getHttpClient(COMMAND_TIMEOUT);
|
|
HttpResponse resp;
|
|
try {
|
|
resp = postAutodiscover(client, post, true /*canRetry*/);
|
|
} catch (IOException e1) {
|
|
userLog("IOException in autodiscover; trying alternate address");
|
|
// We catch the IOException here because we have an alternate address to try
|
|
post.setURI(URI.create("https://autodiscover." + domain + AUTO_DISCOVER_PAGE));
|
|
// If we fail here, we're out of options, so we let the outer try catch the
|
|
// IOException and return null
|
|
resp = postAutodiscover(client, post, true /*canRetry*/);
|
|
}
|
|
|
|
HttpEntity entity = resp.getEntity();
|
|
try {
|
|
// Get the "final" code; if it's not 200, just return null
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
userLog("Code: " + code);
|
|
if (code != HttpStatus.SC_OK) return null;
|
|
|
|
InputStream is = entity.getContent();
|
|
// The response to Autodiscover is regular XML (not WBXML)
|
|
// If we ever get an error in this process, we'll just punt and return null
|
|
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
|
|
XmlPullParser parser = factory.newPullParser();
|
|
parser.setInput(is, "UTF-8");
|
|
int type = parser.getEventType();
|
|
if (type == XmlPullParser.START_DOCUMENT) {
|
|
type = parser.next();
|
|
if (type == XmlPullParser.START_TAG) {
|
|
String name = parser.getName();
|
|
if (name.equals("Autodiscover")) {
|
|
hostAuth = new HostAuth();
|
|
parseAutodiscover(parser, hostAuth);
|
|
// On success, we'll have a server address and login
|
|
if (hostAuth.mAddress != null) {
|
|
// Fill in the rest of the HostAuth
|
|
// We use the user name and password that were successful during
|
|
// the autodiscover process
|
|
hostAuth.mLogin = mUserName;
|
|
hostAuth.mPassword = mPassword;
|
|
hostAuth.mPort = 443;
|
|
hostAuth.mProtocol = "eas";
|
|
hostAuth.mFlags =
|
|
HostAuth.FLAG_SSL | HostAuth.FLAG_AUTHENTICATE;
|
|
bundle.putParcelable(
|
|
EmailServiceProxy.AUTO_DISCOVER_BUNDLE_HOST_AUTH, hostAuth);
|
|
} else {
|
|
bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
|
|
MessagingException.UNSPECIFIED_EXCEPTION);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} catch (XmlPullParserException e1) {
|
|
// This would indicate an I/O error of some sort
|
|
// We will simply return null and user can configure manually
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
// There's no reason at all for exceptions to be thrown, and it's ok if so.
|
|
// We just won't do auto-discover; user can configure manually
|
|
} catch (IllegalArgumentException e) {
|
|
bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
|
|
MessagingException.UNSPECIFIED_EXCEPTION);
|
|
} catch (IllegalStateException e) {
|
|
bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
|
|
MessagingException.UNSPECIFIED_EXCEPTION);
|
|
} catch (IOException e) {
|
|
userLog("IOException in Autodiscover", e);
|
|
bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
|
|
MessagingException.IOERROR);
|
|
} catch (MessagingException e) {
|
|
bundle.putInt(EmailServiceProxy.AUTO_DISCOVER_BUNDLE_ERROR_CODE,
|
|
MessagingException.AUTHENTICATION_FAILED);
|
|
}
|
|
return bundle;
|
|
}
|
|
|
|
void parseServer(XmlPullParser parser, HostAuth hostAuth)
|
|
throws XmlPullParserException, IOException {
|
|
boolean mobileSync = false;
|
|
while (true) {
|
|
int type = parser.next();
|
|
if (type == XmlPullParser.END_TAG && parser.getName().equals("Server")) {
|
|
break;
|
|
} else if (type == XmlPullParser.START_TAG) {
|
|
String name = parser.getName();
|
|
if (name.equals("Type")) {
|
|
if (parser.nextText().equals("MobileSync")) {
|
|
mobileSync = true;
|
|
}
|
|
} else if (mobileSync && name.equals("Url")) {
|
|
String url = parser.nextText().toLowerCase();
|
|
// This will look like https://<server address>/Microsoft-Server-ActiveSync
|
|
// We need to extract the <server address>
|
|
if (url.startsWith("https://") &&
|
|
url.endsWith("/microsoft-server-activesync")) {
|
|
int lastSlash = url.lastIndexOf('/');
|
|
hostAuth.mAddress = url.substring(8, lastSlash);
|
|
userLog("Autodiscover, server: " + hostAuth.mAddress);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void parseSettings(XmlPullParser parser, HostAuth hostAuth)
|
|
throws XmlPullParserException, IOException {
|
|
while (true) {
|
|
int type = parser.next();
|
|
if (type == XmlPullParser.END_TAG && parser.getName().equals("Settings")) {
|
|
break;
|
|
} else if (type == XmlPullParser.START_TAG) {
|
|
String name = parser.getName();
|
|
if (name.equals("Server")) {
|
|
parseServer(parser, hostAuth);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void parseAction(XmlPullParser parser, HostAuth hostAuth)
|
|
throws XmlPullParserException, IOException {
|
|
while (true) {
|
|
int type = parser.next();
|
|
if (type == XmlPullParser.END_TAG && parser.getName().equals("Action")) {
|
|
break;
|
|
} else if (type == XmlPullParser.START_TAG) {
|
|
String name = parser.getName();
|
|
if (name.equals("Error")) {
|
|
// Should parse the error
|
|
} else if (name.equals("Redirect")) {
|
|
Log.d(TAG, "Redirect: " + parser.nextText());
|
|
} else if (name.equals("Settings")) {
|
|
parseSettings(parser, hostAuth);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void parseUser(XmlPullParser parser, HostAuth hostAuth)
|
|
throws XmlPullParserException, IOException {
|
|
while (true) {
|
|
int type = parser.next();
|
|
if (type == XmlPullParser.END_TAG && parser.getName().equals("User")) {
|
|
break;
|
|
} else if (type == XmlPullParser.START_TAG) {
|
|
String name = parser.getName();
|
|
if (name.equals("EMailAddress")) {
|
|
String addr = parser.nextText();
|
|
userLog("Autodiscover, email: " + addr);
|
|
} else if (name.equals("DisplayName")) {
|
|
String dn = parser.nextText();
|
|
userLog("Autodiscover, user: " + dn);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void parseResponse(XmlPullParser parser, HostAuth hostAuth)
|
|
throws XmlPullParserException, IOException {
|
|
while (true) {
|
|
int type = parser.next();
|
|
if (type == XmlPullParser.END_TAG && parser.getName().equals("Response")) {
|
|
break;
|
|
} else if (type == XmlPullParser.START_TAG) {
|
|
String name = parser.getName();
|
|
if (name.equals("User")) {
|
|
parseUser(parser, hostAuth);
|
|
} else if (name.equals("Action")) {
|
|
parseAction(parser, hostAuth);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void parseAutodiscover(XmlPullParser parser, HostAuth hostAuth)
|
|
throws XmlPullParserException, IOException {
|
|
while (true) {
|
|
int type = parser.nextTag();
|
|
if (type == XmlPullParser.END_TAG && parser.getName().equals("Autodiscover")) {
|
|
break;
|
|
} else if (type == XmlPullParser.START_TAG && parser.getName().equals("Response")) {
|
|
parseResponse(parser, hostAuth);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Contact the GAL and obtain a list of matching accounts
|
|
* @param context caller's context
|
|
* @param accountId the account Id to search
|
|
* @param filter the characters entered so far
|
|
* @return a result record or null for no data
|
|
*
|
|
* TODO: shorter timeout for interactive lookup
|
|
* TODO: make watchdog actually work (it doesn't understand our service w/Mailbox == 0)
|
|
* TODO: figure out why sendHttpClientPost() hangs - possibly pool exhaustion
|
|
*/
|
|
static public GalResult searchGal(Context context, long accountId, String filter, int limit) {
|
|
// Try to get the cached account from ExchangeService (saves a database access)
|
|
Account acct = ExchangeService.getAccountById(accountId);
|
|
if (acct == null) {
|
|
// ExchangeService isn't running; get the account directly from EmailProvider
|
|
acct = Account.restoreAccountWithId(context, accountId);
|
|
}
|
|
if (acct != null) {
|
|
HostAuth ha = HostAuth.restoreHostAuthWithId(context, acct.mHostAuthKeyRecv);
|
|
EasSyncService svc = new EasSyncService("%GalLookupk%");
|
|
try {
|
|
// If there's no protocol version set up, we haven't successfully started syncing
|
|
// so we can't use GAL yet
|
|
String protocolVersion = acct.mProtocolVersion;
|
|
if (protocolVersion == null) {
|
|
return null;
|
|
} else {
|
|
svc.mProtocolVersion = protocolVersion;
|
|
svc.mProtocolVersionDouble = Eas.getProtocolVersionDouble(protocolVersion);
|
|
}
|
|
svc.mContext = context;
|
|
svc.mHostAddress = ha.mAddress;
|
|
svc.mUserName = ha.mLogin;
|
|
svc.mPassword = ha.mPassword;
|
|
svc.mSsl = (ha.mFlags & HostAuth.FLAG_SSL) != 0;
|
|
svc.mTrustSsl = (ha.mFlags & HostAuth.FLAG_TRUST_ALL_CERTIFICATES) != 0;
|
|
svc.mDeviceId = Device.getDeviceId(context);
|
|
svc.mAccount = acct;
|
|
Serializer s = new Serializer();
|
|
s.start(Tags.SEARCH_SEARCH).start(Tags.SEARCH_STORE);
|
|
s.data(Tags.SEARCH_NAME, "GAL").data(Tags.SEARCH_QUERY, filter);
|
|
s.start(Tags.SEARCH_OPTIONS);
|
|
s.data(Tags.SEARCH_RANGE, "0-" + Integer.toString(limit - 1));
|
|
s.end().end().end().done();
|
|
if (DEBUG_GAL_SERVICE) svc.userLog("GAL lookup starting for " + ha.mAddress);
|
|
HttpResponse resp = svc.sendHttpClientPost("Search", s.toByteArray());
|
|
HttpEntity entity = resp.getEntity();
|
|
try {
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
if (code == HttpStatus.SC_OK) {
|
|
InputStream is = entity.getContent();
|
|
try {
|
|
GalParser gp = new GalParser(is, svc);
|
|
if (gp.parse()) {
|
|
if (DEBUG_GAL_SERVICE) svc.userLog("GAL lookup OK: " + ha.mAddress);
|
|
return gp.getGalResult();
|
|
} else {
|
|
if (DEBUG_GAL_SERVICE) svc.userLog("GAL lookup: no matches");
|
|
}
|
|
} finally {
|
|
is.close();
|
|
}
|
|
} else {
|
|
svc.userLog("GAL lookup returned " + code);
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
} catch (IOException e) {
|
|
// GAL is non-critical; we'll just go on
|
|
svc.userLog("GAL lookup exception " + e);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void doStatusCallback(long messageId, long attachmentId, int status) {
|
|
try {
|
|
ExchangeService.callback().loadAttachmentStatus(messageId, attachmentId, status, 0);
|
|
} catch (RemoteException e) {
|
|
// No danger if the client is no longer around
|
|
}
|
|
}
|
|
|
|
private void doProgressCallback(long messageId, long attachmentId, int progress) {
|
|
try {
|
|
ExchangeService.callback().loadAttachmentStatus(messageId, attachmentId,
|
|
EmailServiceStatus.IN_PROGRESS, progress);
|
|
} catch (RemoteException e) {
|
|
// No danger if the client is no longer around
|
|
}
|
|
}
|
|
|
|
public File createUniqueFileInternal(String dir, String filename) {
|
|
File directory;
|
|
if (dir == null) {
|
|
directory = mContext.getFilesDir();
|
|
} else {
|
|
directory = new File(dir);
|
|
}
|
|
if (!directory.exists()) {
|
|
directory.mkdirs();
|
|
}
|
|
File file = new File(directory, filename);
|
|
if (!file.exists()) {
|
|
return file;
|
|
}
|
|
// Get the extension of the file, if any.
|
|
int index = filename.lastIndexOf('.');
|
|
String name = filename;
|
|
String extension = "";
|
|
if (index != -1) {
|
|
name = filename.substring(0, index);
|
|
extension = filename.substring(index);
|
|
}
|
|
for (int i = 2; i < Integer.MAX_VALUE; i++) {
|
|
file = new File(directory, name + '-' + i + extension);
|
|
if (!file.exists()) {
|
|
return file;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Loads an attachment, based on the PartRequest passed in. The PartRequest is basically our
|
|
* wrapper for Attachment
|
|
* @param req the part (attachment) to be retrieved
|
|
* @throws IOException
|
|
*/
|
|
protected void loadAttachment(PartRequest req) throws IOException {
|
|
Attachment att = req.mAttachment;
|
|
Message msg = Message.restoreMessageWithId(mContext, att.mMessageKey);
|
|
if (msg == null) {
|
|
doStatusCallback(att.mMessageKey, att.mId, EmailServiceStatus.MESSAGE_NOT_FOUND);
|
|
return;
|
|
} else {
|
|
doProgressCallback(msg.mId, att.mId, 0);
|
|
}
|
|
|
|
String cmd = "GetAttachment&AttachmentName=" + att.mLocation;
|
|
HttpResponse res = sendHttpClientPost(cmd, null, COMMAND_TIMEOUT);
|
|
HttpEntity entity = res.getEntity();
|
|
|
|
try {
|
|
int status = res.getStatusLine().getStatusCode();
|
|
if (status == HttpStatus.SC_OK) {
|
|
int len = (int)entity.getContentLength();
|
|
InputStream is = entity.getContent();
|
|
File f = (req.mDestination != null) ? new File(req.mDestination) :
|
|
createUniqueFileInternal(req.mDestination, att.mFileName);
|
|
if (f != null) {
|
|
// Ensure that the target directory exists
|
|
File destDir = f.getParentFile();
|
|
if (!destDir.exists()) {
|
|
destDir.mkdirs();
|
|
}
|
|
FileOutputStream os = new FileOutputStream(f);
|
|
// len > 0 means that Content-Length was set in the headers
|
|
// len < 0 means "chunked" transfer-encoding
|
|
if (len != 0) {
|
|
try {
|
|
mPendingRequest = req;
|
|
byte[] bytes = new byte[CHUNK_SIZE];
|
|
int length = len;
|
|
// Loop terminates 1) when EOF is reached or 2) IOException occurs
|
|
// One of these is guaranteed to occur
|
|
int totalRead = 0;
|
|
userLog("Attachment content-length: ", len);
|
|
while (true) {
|
|
int read = is.read(bytes, 0, CHUNK_SIZE);
|
|
|
|
// read < 0 means that EOF was reached
|
|
if (read < 0) {
|
|
userLog("Attachment load reached EOF, totalRead: ", totalRead);
|
|
break;
|
|
}
|
|
|
|
// Keep track of how much we've read for progress callback
|
|
totalRead += read;
|
|
|
|
// Write these bytes out
|
|
os.write(bytes, 0, read);
|
|
|
|
// We can't report percentages if this is chunked; the
|
|
// length of incoming data is unknown
|
|
if (length > 0) {
|
|
// Belt and suspenders check to prevent runaway reading
|
|
if (totalRead > length) {
|
|
errorLog("totalRead is greater than attachment length?");
|
|
break;
|
|
}
|
|
int pct = (totalRead * 100) / length;
|
|
doProgressCallback(msg.mId, att.mId, pct);
|
|
}
|
|
}
|
|
} finally {
|
|
mPendingRequest = null;
|
|
}
|
|
}
|
|
os.flush();
|
|
os.close();
|
|
|
|
// EmailProvider will throw an exception if update an unsaved attachment
|
|
if (att.isSaved()) {
|
|
String contentUriString = (req.mContentUriString != null) ?
|
|
req.mContentUriString :
|
|
"file://" + f.getAbsolutePath();
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(AttachmentColumns.CONTENT_URI, contentUriString);
|
|
att.update(mContext, cv);
|
|
doStatusCallback(msg.mId, att.mId, EmailServiceStatus.SUCCESS);
|
|
}
|
|
}
|
|
} else {
|
|
doStatusCallback(msg.mId, att.mId, EmailServiceStatus.MESSAGE_NOT_FOUND);
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send an email responding to a Message that has been marked as a meeting request. The message
|
|
* will consist a little bit of event information and an iCalendar attachment
|
|
* @param msg the meeting request email
|
|
*/
|
|
private void sendMeetingResponseMail(Message msg, int response) {
|
|
// Get the meeting information; we'd better have some...
|
|
PackedString meetingInfo = new PackedString(msg.mMeetingInfo);
|
|
if (meetingInfo == null) return;
|
|
|
|
// This will come as "First Last" <box@server.blah>, so we use Address to
|
|
// parse it into parts; we only need the email address part for the ics file
|
|
Address[] addrs = Address.parse(meetingInfo.get(MeetingInfo.MEETING_ORGANIZER_EMAIL));
|
|
// It shouldn't be possible, but handle it anyway
|
|
if (addrs.length != 1) return;
|
|
String organizerEmail = addrs[0].getAddress();
|
|
|
|
String dtStamp = meetingInfo.get(MeetingInfo.MEETING_DTSTAMP);
|
|
String dtStart = meetingInfo.get(MeetingInfo.MEETING_DTSTART);
|
|
String dtEnd = meetingInfo.get(MeetingInfo.MEETING_DTEND);
|
|
|
|
// What we're doing here is to create an Entity that looks like an Event as it would be
|
|
// stored by CalendarProvider
|
|
ContentValues entityValues = new ContentValues();
|
|
Entity entity = new Entity(entityValues);
|
|
|
|
// Fill in times, location, title, and organizer
|
|
entityValues.put("DTSTAMP",
|
|
CalendarUtilities.convertEmailDateTimeToCalendarDateTime(dtStamp));
|
|
entityValues.put(Events.DTSTART, Utility.parseEmailDateTimeToMillis(dtStart));
|
|
entityValues.put(Events.DTEND, Utility.parseEmailDateTimeToMillis(dtEnd));
|
|
entityValues.put(Events.EVENT_LOCATION, meetingInfo.get(MeetingInfo.MEETING_LOCATION));
|
|
entityValues.put(Events.TITLE, meetingInfo.get(MeetingInfo.MEETING_TITLE));
|
|
entityValues.put(Events.ORGANIZER, organizerEmail);
|
|
|
|
// Add ourselves as an attendee, using our account email address
|
|
ContentValues attendeeValues = new ContentValues();
|
|
attendeeValues.put(Attendees.ATTENDEE_RELATIONSHIP,
|
|
Attendees.RELATIONSHIP_ATTENDEE);
|
|
attendeeValues.put(Attendees.ATTENDEE_EMAIL, mAccount.mEmailAddress);
|
|
entity.addSubValue(Attendees.CONTENT_URI, attendeeValues);
|
|
|
|
// Add the organizer
|
|
ContentValues organizerValues = new ContentValues();
|
|
organizerValues.put(Attendees.ATTENDEE_RELATIONSHIP,
|
|
Attendees.RELATIONSHIP_ORGANIZER);
|
|
organizerValues.put(Attendees.ATTENDEE_EMAIL, organizerEmail);
|
|
entity.addSubValue(Attendees.CONTENT_URI, organizerValues);
|
|
|
|
// Create a message from the Entity we've built. The message will have fields like
|
|
// to, subject, date, and text filled in. There will also be an "inline" attachment
|
|
// which is in iCalendar format
|
|
int flag;
|
|
switch(response) {
|
|
case EmailServiceConstants.MEETING_REQUEST_ACCEPTED:
|
|
flag = Message.FLAG_OUTGOING_MEETING_ACCEPT;
|
|
break;
|
|
case EmailServiceConstants.MEETING_REQUEST_DECLINED:
|
|
flag = Message.FLAG_OUTGOING_MEETING_DECLINE;
|
|
break;
|
|
case EmailServiceConstants.MEETING_REQUEST_TENTATIVE:
|
|
default:
|
|
flag = Message.FLAG_OUTGOING_MEETING_TENTATIVE;
|
|
break;
|
|
}
|
|
Message outgoingMsg =
|
|
CalendarUtilities.createMessageForEntity(mContext, entity, flag,
|
|
meetingInfo.get(MeetingInfo.MEETING_UID), mAccount);
|
|
// Assuming we got a message back (we might not if the event has been deleted), send it
|
|
if (outgoingMsg != null) {
|
|
EasOutboxService.sendMessage(mContext, mAccount.mId, outgoingMsg);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Responds to a move request. The MessageMoveRequest is basically our
|
|
* wrapper for the MoveItems service call
|
|
* @param req the request (message id and "to" mailbox id)
|
|
* @throws IOException
|
|
*/
|
|
protected void messageMoveRequest(MessageMoveRequest req) throws IOException {
|
|
// Retrieve the message and mailbox; punt if either are null
|
|
Message msg = Message.restoreMessageWithId(mContext, req.mMessageId);
|
|
if (msg == null) return;
|
|
Cursor c = mContentResolver.query(ContentUris.withAppendedId(Message.UPDATED_CONTENT_URI,
|
|
msg.mId), new String[] {MessageColumns.MAILBOX_KEY}, null, null, null);
|
|
Mailbox srcMailbox = null;
|
|
try {
|
|
if (!c.moveToNext()) return;
|
|
srcMailbox = Mailbox.restoreMailboxWithId(mContext, c.getLong(0));
|
|
} finally {
|
|
c.close();
|
|
}
|
|
if (srcMailbox == null) return;
|
|
Mailbox dstMailbox = Mailbox.restoreMailboxWithId(mContext, req.mMailboxId);
|
|
if (dstMailbox == null) return;
|
|
Serializer s = new Serializer();
|
|
s.start(Tags.MOVE_MOVE_ITEMS).start(Tags.MOVE_MOVE);
|
|
s.data(Tags.MOVE_SRCMSGID, msg.mServerId);
|
|
s.data(Tags.MOVE_SRCFLDID, srcMailbox.mServerId);
|
|
s.data(Tags.MOVE_DSTFLDID, dstMailbox.mServerId);
|
|
s.end().end().done();
|
|
HttpResponse res = sendHttpClientPost("MoveItems", s.toByteArray());
|
|
HttpEntity entity = res.getEntity();
|
|
try {
|
|
int status = res.getStatusLine().getStatusCode();
|
|
if (status == HttpStatus.SC_OK) {
|
|
int len = (int) entity.getContentLength();
|
|
InputStream is = res.getEntity().getContent();
|
|
if (len != 0) {
|
|
MoveItemsParser p = new MoveItemsParser(is, this);
|
|
p.parse();
|
|
int statusCode = p.getStatusCode();
|
|
ContentValues cv = new ContentValues();
|
|
if (statusCode == MoveItemsParser.STATUS_CODE_REVERT) {
|
|
// Restore the old mailbox id
|
|
cv.put(MessageColumns.MAILBOX_KEY, srcMailbox.mServerId);
|
|
mContentResolver.update(
|
|
ContentUris.withAppendedId(Message.CONTENT_URI, req.mMessageId),
|
|
cv, null, null);
|
|
} else if (statusCode == MoveItemsParser.STATUS_CODE_SUCCESS) {
|
|
// Update with the new server id
|
|
cv.put(SyncColumns.SERVER_ID, p.getNewServerId());
|
|
cv.put(Message.FLAGS, msg.mFlags | MESSAGE_FLAG_MOVED_MESSAGE);
|
|
mContentResolver.update(
|
|
ContentUris.withAppendedId(Message.CONTENT_URI, req.mMessageId),
|
|
cv, null, null);
|
|
}
|
|
if (statusCode == MoveItemsParser.STATUS_CODE_SUCCESS
|
|
|| statusCode == MoveItemsParser.STATUS_CODE_REVERT) {
|
|
// If we revert or succeed, we no longer need the update information
|
|
// OR the now-duplicate email (the new copy will be synced down)
|
|
mContentResolver.delete(ContentUris.withAppendedId(
|
|
Message.UPDATED_CONTENT_URI, req.mMessageId), null, null);
|
|
} else {
|
|
// In this case, we're retrying, so do nothing. The request will be
|
|
// handled next sync
|
|
}
|
|
}
|
|
} else if (isAuthError(status)) {
|
|
throw new EasAuthenticationException();
|
|
} else {
|
|
userLog("Move items request failed, code: " + status);
|
|
throw new IOException();
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Responds to a meeting request. The MeetingResponseRequest is basically our
|
|
* wrapper for the meetingResponse service call
|
|
* @param req the request (message id and response code)
|
|
* @throws IOException
|
|
*/
|
|
protected void sendMeetingResponse(MeetingResponseRequest req) throws IOException {
|
|
// Retrieve the message and mailbox; punt if either are null
|
|
Message msg = Message.restoreMessageWithId(mContext, req.mMessageId);
|
|
if (msg == null) return;
|
|
Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, msg.mMailboxKey);
|
|
if (mailbox == null) return;
|
|
Serializer s = new Serializer();
|
|
s.start(Tags.MREQ_MEETING_RESPONSE).start(Tags.MREQ_REQUEST);
|
|
s.data(Tags.MREQ_USER_RESPONSE, Integer.toString(req.mResponse));
|
|
s.data(Tags.MREQ_COLLECTION_ID, mailbox.mServerId);
|
|
s.data(Tags.MREQ_REQ_ID, msg.mServerId);
|
|
s.end().end().done();
|
|
HttpResponse res = sendHttpClientPost("MeetingResponse", s.toByteArray());
|
|
HttpEntity entity = res.getEntity();
|
|
try {
|
|
int status = res.getStatusLine().getStatusCode();
|
|
if (status == HttpStatus.SC_OK) {
|
|
int len = (int)entity.getContentLength();
|
|
if (len != 0) {
|
|
InputStream is = res.getEntity().getContent();
|
|
new MeetingResponseParser(is, this).parse();
|
|
String meetingInfo = msg.mMeetingInfo;
|
|
if (meetingInfo != null) {
|
|
String responseRequested = new PackedString(meetingInfo).get(
|
|
MeetingInfo.MEETING_RESPONSE_REQUESTED);
|
|
// If there's no tag, or a non-zero tag, we send the response mail
|
|
if ("0".equals(responseRequested)) {
|
|
return;
|
|
}
|
|
}
|
|
sendMeetingResponseMail(msg, req.mResponse);
|
|
}
|
|
} else if (isAuthError(status)) {
|
|
throw new EasAuthenticationException();
|
|
} else {
|
|
userLog("Meeting response request failed, code: " + status);
|
|
throw new IOException();
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Using mUserName and mPassword, create and cache mAuthString and mCacheString, which are used
|
|
* in all HttpPost commands. This should be called if these strings are null, or if mUserName
|
|
* and/or mPassword are changed
|
|
*/
|
|
private void cacheAuthAndCmdString() {
|
|
String safeUserName = Uri.encode(mUserName);
|
|
String cs = mUserName + ':' + mPassword;
|
|
mAuthString = "Basic " + Base64.encodeToString(cs.getBytes(), Base64.NO_WRAP);
|
|
mCmdString = "&User=" + safeUserName + "&DeviceId=" + mDeviceId +
|
|
"&DeviceType=" + DEVICE_TYPE;
|
|
}
|
|
|
|
/*package*/ String makeUriString(String cmd, String extra) throws IOException {
|
|
// Cache the authentication string and the command string
|
|
if (mAuthString == null || mCmdString == null) {
|
|
cacheAuthAndCmdString();
|
|
}
|
|
String us = (mSsl ? (mTrustSsl ? "httpts" : "https") : "http") + "://" + mHostAddress +
|
|
"/Microsoft-Server-ActiveSync";
|
|
if (cmd != null) {
|
|
us += "?Cmd=" + cmd + mCmdString;
|
|
}
|
|
if (extra != null) {
|
|
us += extra;
|
|
}
|
|
return us;
|
|
}
|
|
|
|
/**
|
|
* Set standard HTTP headers, using a policy key if required
|
|
* @param method the method we are going to send
|
|
* @param usePolicyKey whether or not a policy key should be sent in the headers
|
|
*/
|
|
/*package*/ void setHeaders(HttpRequestBase method, boolean usePolicyKey) {
|
|
method.setHeader("Authorization", mAuthString);
|
|
method.setHeader("MS-ASProtocolVersion", mProtocolVersion);
|
|
method.setHeader("Connection", "keep-alive");
|
|
method.setHeader("User-Agent", USER_AGENT);
|
|
if (usePolicyKey) {
|
|
// If there's an account in existence, use its key; otherwise (we're creating the
|
|
// account), send "0". The server will respond with code 449 if there are policies
|
|
// to be enforced
|
|
String key = "0";
|
|
if (mAccount != null) {
|
|
String accountKey = mAccount.mSecuritySyncKey;
|
|
if (!TextUtils.isEmpty(accountKey)) {
|
|
key = accountKey;
|
|
}
|
|
}
|
|
method.setHeader("X-MS-PolicyKey", key);
|
|
}
|
|
}
|
|
|
|
private ClientConnectionManager getClientConnectionManager() {
|
|
return ExchangeService.getClientConnectionManager();
|
|
}
|
|
|
|
private HttpClient getHttpClient(int timeout) {
|
|
HttpParams params = new BasicHttpParams();
|
|
HttpConnectionParams.setConnectionTimeout(params, CONNECTION_TIMEOUT);
|
|
HttpConnectionParams.setSoTimeout(params, timeout);
|
|
HttpConnectionParams.setSocketBufferSize(params, 8192);
|
|
HttpClient client = new DefaultHttpClient(getClientConnectionManager(), params);
|
|
return client;
|
|
}
|
|
|
|
protected HttpResponse sendHttpClientPost(String cmd, byte[] bytes) throws IOException {
|
|
return sendHttpClientPost(cmd, new ByteArrayEntity(bytes), COMMAND_TIMEOUT);
|
|
}
|
|
|
|
protected HttpResponse sendHttpClientPost(String cmd, HttpEntity entity) throws IOException {
|
|
return sendHttpClientPost(cmd, entity, COMMAND_TIMEOUT);
|
|
}
|
|
|
|
protected HttpResponse sendPing(byte[] bytes, int heartbeat) throws IOException {
|
|
Thread.currentThread().setName(mAccount.mDisplayName + ": Ping");
|
|
if (Eas.USER_LOG) {
|
|
userLog("Send ping, timeout: " + heartbeat + "s, high: " + mPingHighWaterMark + 's');
|
|
}
|
|
return sendHttpClientPost(PING_COMMAND, new ByteArrayEntity(bytes), (heartbeat+5)*SECONDS);
|
|
}
|
|
|
|
/**
|
|
* Convenience method for executePostWithTimeout for use other than with the Ping command
|
|
*/
|
|
protected HttpResponse executePostWithTimeout(HttpClient client, HttpPost method, int timeout)
|
|
throws IOException {
|
|
return executePostWithTimeout(client, method, timeout, false);
|
|
}
|
|
|
|
/**
|
|
* Handle executing an HTTP POST command with proper timeout, watchdog, and ping behavior
|
|
* @param client the HttpClient
|
|
* @param method the HttpPost
|
|
* @param timeout the timeout before failure, in ms
|
|
* @param isPingCommand whether the POST is for the Ping command (requires wakelock logic)
|
|
* @return the HttpResponse
|
|
* @throws IOException
|
|
*/
|
|
protected HttpResponse executePostWithTimeout(HttpClient client, HttpPost method, int timeout,
|
|
boolean isPingCommand) throws IOException {
|
|
synchronized(getSynchronizer()) {
|
|
mPendingPost = method;
|
|
long alarmTime = timeout + WATCHDOG_TIMEOUT_ALLOWANCE;
|
|
if (isPingCommand) {
|
|
ExchangeService.runAsleep(mMailboxId, alarmTime);
|
|
} else {
|
|
ExchangeService.setWatchdogAlarm(mMailboxId, alarmTime);
|
|
}
|
|
}
|
|
try {
|
|
return client.execute(method);
|
|
} finally {
|
|
synchronized(getSynchronizer()) {
|
|
if (isPingCommand) {
|
|
ExchangeService.runAwake(mMailboxId);
|
|
} else {
|
|
ExchangeService.clearWatchdogAlarm(mMailboxId);
|
|
}
|
|
mPendingPost = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected HttpResponse sendHttpClientPost(String cmd, HttpEntity entity, int timeout)
|
|
throws IOException {
|
|
HttpClient client = getHttpClient(timeout);
|
|
boolean isPingCommand = cmd.equals(PING_COMMAND);
|
|
|
|
// Split the mail sending commands
|
|
String extra = null;
|
|
boolean msg = false;
|
|
if (cmd.startsWith("SmartForward&") || cmd.startsWith("SmartReply&")) {
|
|
int cmdLength = cmd.indexOf('&');
|
|
extra = cmd.substring(cmdLength);
|
|
cmd = cmd.substring(0, cmdLength);
|
|
msg = true;
|
|
} else if (cmd.startsWith("SendMail&")) {
|
|
msg = true;
|
|
}
|
|
|
|
String us = makeUriString(cmd, extra);
|
|
HttpPost method = new HttpPost(URI.create(us));
|
|
// Send the proper Content-Type header
|
|
// If entity is null (e.g. for attachments), don't set this header
|
|
if (msg) {
|
|
method.setHeader("Content-Type", "message/rfc822");
|
|
} else if (entity != null) {
|
|
method.setHeader("Content-Type", "application/vnd.ms-sync.wbxml");
|
|
}
|
|
setHeaders(method, !cmd.equals(PING_COMMAND));
|
|
method.setEntity(entity);
|
|
return executePostWithTimeout(client, method, timeout, isPingCommand);
|
|
}
|
|
|
|
protected HttpResponse sendHttpClientOptions() throws IOException {
|
|
HttpClient client = getHttpClient(COMMAND_TIMEOUT);
|
|
String us = makeUriString("OPTIONS", null);
|
|
HttpOptions method = new HttpOptions(URI.create(us));
|
|
setHeaders(method, false);
|
|
return client.execute(method);
|
|
}
|
|
|
|
String getTargetCollectionClassFromCursor(Cursor c) {
|
|
int type = c.getInt(Mailbox.CONTENT_TYPE_COLUMN);
|
|
if (type == Mailbox.TYPE_CONTACTS) {
|
|
return "Contacts";
|
|
} else if (type == Mailbox.TYPE_CALENDAR) {
|
|
return "Calendar";
|
|
} else {
|
|
return "Email";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Negotiate provisioning with the server. First, get policies form the server and see if
|
|
* the policies are supported by the device. Then, write the policies to the account and
|
|
* tell SecurityPolicy that we have policies in effect. Finally, see if those policies are
|
|
* active; if so, acknowledge the policies to the server and get a final policy key that we
|
|
* use in future EAS commands and write this key to the account.
|
|
* @return whether or not provisioning has been successful
|
|
* @throws IOException
|
|
*/
|
|
private boolean tryProvision() throws IOException {
|
|
// First, see if provisioning is even possible, i.e. do we support the policies required
|
|
// by the server
|
|
ProvisionParser pp = canProvision();
|
|
if (pp != null) {
|
|
// Get the policies from ProvisionParser
|
|
PolicySet ps = pp.getPolicySet();
|
|
// Update the account with a null policyKey (the key we've gotten is
|
|
// temporary and cannot be used for syncing)
|
|
ps.writeAccount(mAccount, null, true, mContext);
|
|
// Make sure that SecurityPolicy is up-to-date
|
|
PolicyServiceProxy.updatePolicies(mContext, mAccount.mId);
|
|
if (pp.getRemoteWipe()) {
|
|
// We've gotten a remote wipe command
|
|
ExchangeService.alwaysLog("!!! Remote wipe request received");
|
|
// Start by setting the account to security hold
|
|
PolicyServiceProxy.setAccountHoldFlag(mContext, mAccount, true);
|
|
// Force a stop to any running syncs for this account (except this one)
|
|
ExchangeService.stopNonAccountMailboxSyncsForAccount(mAccount.mId);
|
|
|
|
// If we're not the admin, we can't do the wipe, so just return
|
|
if (!PolicyServiceProxy.isActiveAdmin(mContext)) {
|
|
ExchangeService.alwaysLog("!!! Not device admin; can't wipe");
|
|
return false;
|
|
}
|
|
|
|
// First, we've got to acknowledge it, but wrap the wipe in try/catch so that
|
|
// we wipe the device regardless of any errors in acknowledgment
|
|
try {
|
|
ExchangeService.alwaysLog("!!! Acknowledging remote wipe to server");
|
|
acknowledgeRemoteWipe(pp.getPolicyKey());
|
|
} catch (Exception e) {
|
|
// Because remote wipe is such a high priority task, we don't want to
|
|
// circumvent it if there's an exception in acknowledgment
|
|
}
|
|
// Then, tell SecurityPolicy to wipe the device
|
|
ExchangeService.alwaysLog("!!! Executing remote wipe");
|
|
PolicyServiceProxy.remoteWipe(mContext);
|
|
return false;
|
|
} else if (PolicyServiceProxy.isActive(mContext, ps)) {
|
|
// See if the required policies are in force; if they are, acknowledge the policies
|
|
// to the server and get the final policy key
|
|
String policyKey = acknowledgeProvision(pp.getPolicyKey(), PROVISION_STATUS_OK);
|
|
if (policyKey != null) {
|
|
// Write the final policy key to the Account and say we've been successful
|
|
ps.writeAccount(mAccount, policyKey, true, mContext);
|
|
// Release any mailboxes that might be in a security hold
|
|
ExchangeService.releaseSecurityHold(mAccount);
|
|
return true;
|
|
}
|
|
} else {
|
|
// Notify that we are blocked because of policies
|
|
PolicyServiceProxy.policiesRequired(mContext, mAccount.mId);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private String getPolicyType() {
|
|
return (mProtocolVersionDouble >=
|
|
Eas.SUPPORTED_PROTOCOL_EX2007_DOUBLE) ? EAS_12_POLICY_TYPE : EAS_2_POLICY_TYPE;
|
|
}
|
|
|
|
/**
|
|
* Obtain a set of policies from the server and determine whether those policies are supported
|
|
* by the device.
|
|
* @return the ProvisionParser (holds policies and key) if we receive policies and they are
|
|
* supported by the device; null otherwise
|
|
* @throws IOException
|
|
*/
|
|
private ProvisionParser canProvision() throws IOException {
|
|
Serializer s = new Serializer();
|
|
s.start(Tags.PROVISION_PROVISION).start(Tags.PROVISION_POLICIES);
|
|
s.start(Tags.PROVISION_POLICY).data(Tags.PROVISION_POLICY_TYPE, getPolicyType())
|
|
.end().end().end().done();
|
|
HttpResponse resp = sendHttpClientPost("Provision", s.toByteArray());
|
|
HttpEntity entity = resp.getEntity();
|
|
try {
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
if (code == HttpStatus.SC_OK) {
|
|
InputStream is = entity.getContent();
|
|
ProvisionParser pp = new ProvisionParser(is, this);
|
|
if (pp.parse()) {
|
|
// The PolicySet in the ProvisionParser will have the requirements for all KNOWN
|
|
// policies. If others are required, hasSupportablePolicySet will be false
|
|
if (pp.hasSupportablePolicySet()) {
|
|
// If the policies are supportable (in this context, meaning there are no
|
|
// completely unimplemented policies required), return the parser itself
|
|
return pp;
|
|
} else {
|
|
// Try to acknowledge using the "partial" status (i.e. we can partially
|
|
// accommodate the required policies). The server will agree to this if the
|
|
// "allow non-provisionable devices" setting is enabled on the server
|
|
String policyKey = acknowledgeProvision(pp.getPolicyKey(),
|
|
PROVISION_STATUS_PARTIAL);
|
|
// Return either the parser (success) or null (failure)
|
|
if (policyKey != null) {
|
|
pp.clearUnsupportedPolicies();
|
|
return pp;
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
// On failures, simply return null
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Acknowledge that we support the policies provided by the server, and that these policies
|
|
* are in force.
|
|
* @param tempKey the initial (temporary) policy key sent by the server
|
|
* @return the final policy key, which can be used for syncing
|
|
* @throws IOException
|
|
*/
|
|
private void acknowledgeRemoteWipe(String tempKey) throws IOException {
|
|
acknowledgeProvisionImpl(tempKey, PROVISION_STATUS_OK, true);
|
|
}
|
|
|
|
private String acknowledgeProvision(String tempKey, String result) throws IOException {
|
|
return acknowledgeProvisionImpl(tempKey, result, false);
|
|
}
|
|
|
|
private String acknowledgeProvisionImpl(String tempKey, String status,
|
|
boolean remoteWipe) throws IOException {
|
|
Serializer s = new Serializer();
|
|
s.start(Tags.PROVISION_PROVISION).start(Tags.PROVISION_POLICIES);
|
|
s.start(Tags.PROVISION_POLICY);
|
|
|
|
// Use the proper policy type, depending on EAS version
|
|
s.data(Tags.PROVISION_POLICY_TYPE, getPolicyType());
|
|
|
|
s.data(Tags.PROVISION_POLICY_KEY, tempKey);
|
|
s.data(Tags.PROVISION_STATUS, status);
|
|
s.end().end(); // PROVISION_POLICY, PROVISION_POLICIES
|
|
if (remoteWipe) {
|
|
s.start(Tags.PROVISION_REMOTE_WIPE);
|
|
s.data(Tags.PROVISION_STATUS, PROVISION_STATUS_OK);
|
|
s.end();
|
|
}
|
|
s.end().done(); // PROVISION_PROVISION
|
|
HttpResponse resp = sendHttpClientPost("Provision", s.toByteArray());
|
|
HttpEntity entity = resp.getEntity();
|
|
try {
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
if (code == HttpStatus.SC_OK) {
|
|
InputStream is = entity.getContent();
|
|
ProvisionParser pp = new ProvisionParser(is, this);
|
|
if (pp.parse()) {
|
|
// Return the final policy key from the ProvisionParser
|
|
return pp.getPolicyKey();
|
|
}
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
// On failures, return null
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Performs FolderSync
|
|
*
|
|
* @throws IOException
|
|
* @throws EasParserException
|
|
*/
|
|
public void runAccountMailbox() throws IOException, EasParserException {
|
|
// Initialize exit status to success
|
|
mExitStatus = EXIT_DONE;
|
|
try {
|
|
try {
|
|
ExchangeService.callback()
|
|
.syncMailboxListStatus(mAccount.mId, EmailServiceStatus.IN_PROGRESS, 0);
|
|
} catch (RemoteException e1) {
|
|
// Don't care if this fails
|
|
}
|
|
|
|
// Don't run if we're being held
|
|
if ((mAccount.mFlags & Account.FLAGS_SECURITY_HOLD) != 0) {
|
|
mExitStatus = EXIT_SECURITY_FAILURE;
|
|
return;
|
|
}
|
|
|
|
if (mAccount.mSyncKey == null) {
|
|
mAccount.mSyncKey = "0";
|
|
userLog("Account syncKey INIT to 0");
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(AccountColumns.SYNC_KEY, mAccount.mSyncKey);
|
|
mAccount.update(mContext, cv);
|
|
}
|
|
|
|
boolean firstSync = mAccount.mSyncKey.equals("0");
|
|
if (firstSync) {
|
|
userLog("Initial FolderSync");
|
|
}
|
|
|
|
// When we first start up, change all mailboxes to push.
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PUSH);
|
|
if (mContentResolver.update(Mailbox.CONTENT_URI, cv,
|
|
WHERE_ACCOUNT_AND_SYNC_INTERVAL_PING,
|
|
new String[] {Long.toString(mAccount.mId)}) > 0) {
|
|
ExchangeService.kick("change ping boxes to push");
|
|
}
|
|
|
|
// Determine our protocol version, if we haven't already and save it in the Account
|
|
// Also re-check protocol version at least once a day (in case of upgrade)
|
|
if (mAccount.mProtocolVersion == null ||
|
|
((System.currentTimeMillis() - mMailbox.mSyncTime) > DAYS)) {
|
|
userLog("Determine EAS protocol version");
|
|
HttpResponse resp = sendHttpClientOptions();
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
userLog("OPTIONS response: ", code);
|
|
if (code == HttpStatus.SC_OK) {
|
|
Header header = resp.getFirstHeader("MS-ASProtocolCommands");
|
|
userLog(header.getValue());
|
|
header = resp.getFirstHeader("ms-asprotocolversions");
|
|
try {
|
|
setupProtocolVersion(this, header);
|
|
} catch (MessagingException e) {
|
|
// Since we've already validated, this can't really happen
|
|
// But if it does, we'll rethrow this...
|
|
throw new IOException();
|
|
}
|
|
// Save the protocol version
|
|
cv.clear();
|
|
// Save the protocol version in the account; if we're using 12.0 or greater,
|
|
// set the flag for support of SmartForward
|
|
cv.put(Account.PROTOCOL_VERSION, mProtocolVersion);
|
|
if (mProtocolVersionDouble >= 12.0) {
|
|
cv.put(Account.FLAGS,
|
|
mAccount.mFlags | Account.FLAGS_SUPPORTS_SMART_FORWARD);
|
|
}
|
|
mAccount.update(mContext, cv);
|
|
cv.clear();
|
|
// Save the sync time of the account mailbox to current time
|
|
cv.put(Mailbox.SYNC_TIME, System.currentTimeMillis());
|
|
mMailbox.update(mContext, cv);
|
|
} else {
|
|
errorLog("OPTIONS command failed; throwing IOException");
|
|
throw new IOException();
|
|
}
|
|
}
|
|
|
|
// Change all pushable boxes to push when we start the account mailbox
|
|
if (mAccount.mSyncInterval == Account.CHECK_INTERVAL_PUSH) {
|
|
cv.clear();
|
|
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PUSH);
|
|
if (mContentResolver.update(Mailbox.CONTENT_URI, cv,
|
|
ExchangeService.WHERE_IN_ACCOUNT_AND_PUSHABLE,
|
|
new String[] {Long.toString(mAccount.mId)}) > 0) {
|
|
userLog("Push account; set pushable boxes to push...");
|
|
}
|
|
}
|
|
|
|
while (!mStop) {
|
|
userLog("Sending Account syncKey: ", mAccount.mSyncKey);
|
|
Serializer s = new Serializer();
|
|
s.start(Tags.FOLDER_FOLDER_SYNC).start(Tags.FOLDER_SYNC_KEY)
|
|
.text(mAccount.mSyncKey).end().end().done();
|
|
HttpResponse resp = sendHttpClientPost("FolderSync", s.toByteArray());
|
|
HttpEntity entity = resp.getEntity();
|
|
try {
|
|
if (mStop) break;
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
if (code == HttpStatus.SC_OK) {
|
|
int len = (int)entity.getContentLength();
|
|
if (len != 0) {
|
|
InputStream is = entity.getContent();
|
|
// Returns true if we need to sync again
|
|
if (new FolderSyncParser(is, new AccountSyncAdapter(this))
|
|
.parse()) {
|
|
continue;
|
|
}
|
|
}
|
|
} else if (isProvisionError(code)) {
|
|
// If the sync error is a provisioning failure (perhaps policies changed),
|
|
// let's try the provisioning procedure
|
|
// Provisioning must only be attempted for the account mailbox - trying to
|
|
// provision any other mailbox may result in race conditions and the
|
|
// creation of multiple policy keys.
|
|
if (!tryProvision()) {
|
|
// Set the appropriate failure status
|
|
mExitStatus = EXIT_SECURITY_FAILURE;
|
|
return;
|
|
} else {
|
|
// If we succeeded, try again...
|
|
continue;
|
|
}
|
|
} else if (isAuthError(code)) {
|
|
mExitStatus = EXIT_LOGIN_FAILURE;
|
|
return;
|
|
} else {
|
|
userLog("FolderSync response error: ", code);
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
|
|
// Change all push/hold boxes to push
|
|
cv.clear();
|
|
cv.put(Mailbox.SYNC_INTERVAL, Account.CHECK_INTERVAL_PUSH);
|
|
if (mContentResolver.update(Mailbox.CONTENT_URI, cv,
|
|
WHERE_PUSH_HOLD_NOT_ACCOUNT_MAILBOX,
|
|
new String[] {Long.toString(mAccount.mId)}) > 0) {
|
|
userLog("Set push/hold boxes to push...");
|
|
}
|
|
|
|
try {
|
|
ExchangeService.callback()
|
|
.syncMailboxListStatus(mAccount.mId, mExitStatus, 0);
|
|
} catch (RemoteException e1) {
|
|
// Don't care if this fails
|
|
}
|
|
|
|
// Before each run of the pingLoop, if this Account has a PolicySet, make sure it's
|
|
// active; otherwise, clear out the key/flag. This should cause a provisioning
|
|
// error on the next POST, and start the security sequence over again
|
|
String key = mAccount.mSecuritySyncKey;
|
|
if (!TextUtils.isEmpty(key)) {
|
|
PolicySet ps = new PolicySet(mAccount);
|
|
if (!PolicyServiceProxy.isActive(mContext, ps)) {
|
|
cv.clear();
|
|
cv.put(AccountColumns.SECURITY_FLAGS, 0);
|
|
cv.putNull(AccountColumns.SECURITY_SYNC_KEY);
|
|
long accountId = mAccount.mId;
|
|
mContentResolver.update(ContentUris.withAppendedId(
|
|
Account.CONTENT_URI, accountId), cv, null, null);
|
|
PolicyServiceProxy.policiesRequired(mContext, accountId);
|
|
}
|
|
}
|
|
|
|
// Wait for push notifications.
|
|
String threadName = Thread.currentThread().getName();
|
|
try {
|
|
runPingLoop();
|
|
} catch (StaleFolderListException e) {
|
|
// We break out if we get told about a stale folder list
|
|
userLog("Ping interrupted; folder list requires sync...");
|
|
} catch (IllegalHeartbeatException e) {
|
|
// If we're sending an illegal heartbeat, reset either the min or the max to
|
|
// that heartbeat
|
|
resetHeartbeats(e.mLegalHeartbeat);
|
|
} finally {
|
|
Thread.currentThread().setName(threadName);
|
|
}
|
|
}
|
|
} catch (IOException e) {
|
|
// We catch this here to send the folder sync status callback
|
|
// A folder sync failed callback will get sent from run()
|
|
try {
|
|
if (!mStop) {
|
|
// NOTE: The correct status is CONNECTION_ERROR, but the UI displays this, and
|
|
// it's not really appropriate for EAS as this is not unexpected for a ping and
|
|
// connection errors are retried in any case
|
|
ExchangeService.callback()
|
|
.syncMailboxListStatus(mAccount.mId,
|
|
EmailServiceStatus.SUCCESS, 0);
|
|
}
|
|
} catch (RemoteException e1) {
|
|
// Don't care if this fails
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Reset either our minimum or maximum ping heartbeat to a heartbeat known to be legal
|
|
* @param legalHeartbeat a known legal heartbeat (from the EAS server)
|
|
*/
|
|
/*package*/ void resetHeartbeats(int legalHeartbeat) {
|
|
userLog("Resetting min/max heartbeat, legal = " + legalHeartbeat);
|
|
// We are here because the current heartbeat (mPingHeartbeat) is invalid. Depending on
|
|
// whether the argument is above or below the current heartbeat, we can infer the need to
|
|
// change either the minimum or maximum heartbeat
|
|
if (legalHeartbeat > mPingHeartbeat) {
|
|
// The legal heartbeat is higher than the ping heartbeat; therefore, our minimum was
|
|
// too low. We respond by raising either or both of the minimum heartbeat or the
|
|
// force heartbeat to the argument value
|
|
if (mPingMinHeartbeat < legalHeartbeat) {
|
|
mPingMinHeartbeat = legalHeartbeat;
|
|
}
|
|
if (mPingForceHeartbeat < legalHeartbeat) {
|
|
mPingForceHeartbeat = legalHeartbeat;
|
|
}
|
|
// If our minimum is now greater than the max, bring them together
|
|
if (mPingMinHeartbeat > mPingMaxHeartbeat) {
|
|
mPingMaxHeartbeat = legalHeartbeat;
|
|
}
|
|
} else if (legalHeartbeat < mPingHeartbeat) {
|
|
// The legal heartbeat is lower than the ping heartbeat; therefore, our maximum was
|
|
// too high. We respond by lowering the maximum to the argument value
|
|
mPingMaxHeartbeat = legalHeartbeat;
|
|
// If our maximum is now less than the minimum, bring them together
|
|
if (mPingMaxHeartbeat < mPingMinHeartbeat) {
|
|
mPingMinHeartbeat = legalHeartbeat;
|
|
}
|
|
}
|
|
// Set current heartbeat to the legal heartbeat
|
|
mPingHeartbeat = legalHeartbeat;
|
|
// Allow the heartbeat logic to run
|
|
mPingHeartbeatDropped = false;
|
|
}
|
|
|
|
private void pushFallback(long mailboxId) {
|
|
Mailbox mailbox = Mailbox.restoreMailboxWithId(mContext, mailboxId);
|
|
if (mailbox == null) {
|
|
return;
|
|
}
|
|
ContentValues cv = new ContentValues();
|
|
int mins = PING_FALLBACK_PIM;
|
|
if (mailbox.mType == Mailbox.TYPE_INBOX) {
|
|
mins = PING_FALLBACK_INBOX;
|
|
}
|
|
cv.put(Mailbox.SYNC_INTERVAL, mins);
|
|
mContentResolver.update(ContentUris.withAppendedId(Mailbox.CONTENT_URI, mailboxId),
|
|
cv, null, null);
|
|
errorLog("*** PING ERROR LOOP: Set " + mailbox.mDisplayName + " to " + mins + " min sync");
|
|
ExchangeService.kick("push fallback");
|
|
}
|
|
|
|
/**
|
|
* Simplistic attempt to determine a NAT timeout, based on experience with various carriers
|
|
* and networks. The string "reset by peer" is very common in these situations, so we look for
|
|
* that specifically. We may add additional tests here as more is learned.
|
|
* @param message
|
|
* @return whether this message is likely associated with a NAT failure
|
|
*/
|
|
private boolean isLikelyNatFailure(String message) {
|
|
if (message == null) return false;
|
|
if (message.contains("reset by peer")) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private void runPingLoop() throws IOException, StaleFolderListException,
|
|
IllegalHeartbeatException {
|
|
int pingHeartbeat = mPingHeartbeat;
|
|
userLog("runPingLoop");
|
|
// Do push for all sync services here
|
|
long endTime = System.currentTimeMillis() + (30*MINUTES);
|
|
HashMap<String, Integer> pingErrorMap = new HashMap<String, Integer>();
|
|
ArrayList<String> readyMailboxes = new ArrayList<String>();
|
|
ArrayList<String> notReadyMailboxes = new ArrayList<String>();
|
|
int pingWaitCount = 0;
|
|
long inboxId = -1;
|
|
|
|
while ((System.currentTimeMillis() < endTime) && !mStop) {
|
|
// Count of pushable mailboxes
|
|
int pushCount = 0;
|
|
// Count of mailboxes that can be pushed right now
|
|
int canPushCount = 0;
|
|
// Count of uninitialized boxes
|
|
int uninitCount = 0;
|
|
|
|
Serializer s = new Serializer();
|
|
Cursor c = mContentResolver.query(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION,
|
|
MailboxColumns.ACCOUNT_KEY + '=' + mAccount.mId +
|
|
AND_FREQUENCY_PING_PUSH_AND_NOT_ACCOUNT_MAILBOX, null, null);
|
|
notReadyMailboxes.clear();
|
|
readyMailboxes.clear();
|
|
// Look for an inbox, and remember its id
|
|
if (inboxId == -1) {
|
|
inboxId = Mailbox.findMailboxOfType(mContext, mAccount.mId, Mailbox.TYPE_INBOX);
|
|
}
|
|
try {
|
|
// Loop through our pushed boxes seeing what is available to push
|
|
while (c.moveToNext()) {
|
|
pushCount++;
|
|
// Two requirements for push:
|
|
// 1) ExchangeService tells us the mailbox is syncable (not running/not stopped)
|
|
// 2) The syncKey isn't "0" (i.e. it's synced at least once)
|
|
long mailboxId = c.getLong(Mailbox.CONTENT_ID_COLUMN);
|
|
int pingStatus = ExchangeService.pingStatus(mailboxId);
|
|
String mailboxName = c.getString(Mailbox.CONTENT_DISPLAY_NAME_COLUMN);
|
|
if (pingStatus == ExchangeService.PING_STATUS_OK) {
|
|
String syncKey = c.getString(Mailbox.CONTENT_SYNC_KEY_COLUMN);
|
|
if ((syncKey == null) || syncKey.equals("0")) {
|
|
// We can't push until the initial sync is done
|
|
pushCount--;
|
|
uninitCount++;
|
|
continue;
|
|
}
|
|
|
|
if (canPushCount++ == 0) {
|
|
// Initialize the Ping command
|
|
s.start(Tags.PING_PING)
|
|
.data(Tags.PING_HEARTBEAT_INTERVAL,
|
|
Integer.toString(pingHeartbeat))
|
|
.start(Tags.PING_FOLDERS);
|
|
}
|
|
|
|
String folderClass = getTargetCollectionClassFromCursor(c);
|
|
s.start(Tags.PING_FOLDER)
|
|
.data(Tags.PING_ID, c.getString(Mailbox.CONTENT_SERVER_ID_COLUMN))
|
|
.data(Tags.PING_CLASS, folderClass)
|
|
.end();
|
|
readyMailboxes.add(mailboxName);
|
|
} else if ((pingStatus == ExchangeService.PING_STATUS_RUNNING) ||
|
|
(pingStatus == ExchangeService.PING_STATUS_WAITING)) {
|
|
notReadyMailboxes.add(mailboxName);
|
|
} else if (pingStatus == ExchangeService.PING_STATUS_UNABLE) {
|
|
pushCount--;
|
|
userLog(mailboxName, " in error state; ignore");
|
|
continue;
|
|
}
|
|
}
|
|
} finally {
|
|
c.close();
|
|
}
|
|
|
|
if (Eas.USER_LOG) {
|
|
if (!notReadyMailboxes.isEmpty()) {
|
|
userLog("Ping not ready for: " + notReadyMailboxes);
|
|
}
|
|
if (!readyMailboxes.isEmpty()) {
|
|
userLog("Ping ready for: " + readyMailboxes);
|
|
}
|
|
}
|
|
|
|
// If we've waited 10 seconds or more, just ping with whatever boxes are ready
|
|
// But use a shorter than normal heartbeat
|
|
boolean forcePing = !notReadyMailboxes.isEmpty() && (pingWaitCount > 5);
|
|
|
|
if ((canPushCount > 0) && ((canPushCount == pushCount) || forcePing)) {
|
|
// If all pingable boxes are ready for push, send Ping to the server
|
|
s.end().end().done();
|
|
pingWaitCount = 0;
|
|
mPostReset = false;
|
|
mPostAborted = false;
|
|
|
|
// If we've been stopped, this is a good time to return
|
|
if (mStop) return;
|
|
|
|
long pingTime = SystemClock.elapsedRealtime();
|
|
try {
|
|
// Send the ping, wrapped by appropriate timeout/alarm
|
|
if (forcePing) {
|
|
userLog("Forcing ping after waiting for all boxes to be ready");
|
|
}
|
|
HttpResponse res =
|
|
sendPing(s.toByteArray(), forcePing ? mPingForceHeartbeat : pingHeartbeat);
|
|
HttpEntity entity = res.getEntity();
|
|
|
|
try {
|
|
int code = res.getStatusLine().getStatusCode();
|
|
userLog("Ping response: ", code);
|
|
|
|
// Return immediately if we've been asked to stop during the ping
|
|
if (mStop) {
|
|
userLog("Stopping pingLoop");
|
|
return;
|
|
}
|
|
|
|
if (code == HttpStatus.SC_OK) {
|
|
// Make sure to clear out any pending sync errors
|
|
ExchangeService.removeFromSyncErrorMap(mMailboxId);
|
|
int len = (int)entity.getContentLength();
|
|
InputStream is = entity.getContent();
|
|
if (len != 0) {
|
|
int pingResult = parsePingResult(is, mContentResolver,
|
|
pingErrorMap);
|
|
// If our ping completed (status = 1), and wasn't forced and we're
|
|
// not at the maximum, try increasing timeout by two minutes
|
|
if (pingResult == PROTOCOL_PING_STATUS_COMPLETED && !forcePing) {
|
|
if (pingHeartbeat > mPingHighWaterMark) {
|
|
mPingHighWaterMark = pingHeartbeat;
|
|
userLog("Setting high water mark at: ", mPingHighWaterMark);
|
|
}
|
|
if ((pingHeartbeat < mPingMaxHeartbeat) &&
|
|
!mPingHeartbeatDropped) {
|
|
pingHeartbeat += PING_HEARTBEAT_INCREMENT;
|
|
if (pingHeartbeat > mPingMaxHeartbeat) {
|
|
pingHeartbeat = mPingMaxHeartbeat;
|
|
}
|
|
userLog("Increase ping heartbeat to ", pingHeartbeat, "s");
|
|
}
|
|
}
|
|
} else {
|
|
userLog("Ping returned empty result; throwing IOException");
|
|
throw new IOException();
|
|
}
|
|
} else if (isAuthError(code)) {
|
|
mExitStatus = EXIT_LOGIN_FAILURE;
|
|
userLog("Authorization error during Ping: ", code);
|
|
throw new IOException();
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
} catch (IOException e) {
|
|
String message = e.getMessage();
|
|
// If we get the exception that is indicative of a NAT timeout and if we
|
|
// haven't yet "fixed" the timeout, back off by two minutes and "fix" it
|
|
boolean hasMessage = message != null;
|
|
userLog("IOException runPingLoop: " + (hasMessage ? message : "[no message]"));
|
|
if (mPostReset) {
|
|
// Nothing to do in this case; this is ExchangeService telling us to try
|
|
// another ping.
|
|
} else if (mPostAborted || isLikelyNatFailure(message)) {
|
|
long pingLength = SystemClock.elapsedRealtime() - pingTime;
|
|
if ((pingHeartbeat > mPingMinHeartbeat) &&
|
|
(pingHeartbeat > mPingHighWaterMark)) {
|
|
pingHeartbeat -= PING_HEARTBEAT_INCREMENT;
|
|
mPingHeartbeatDropped = true;
|
|
if (pingHeartbeat < mPingMinHeartbeat) {
|
|
pingHeartbeat = mPingMinHeartbeat;
|
|
}
|
|
userLog("Decreased ping heartbeat to ", pingHeartbeat, "s");
|
|
} else if (mPostAborted) {
|
|
// There's no point in throwing here; this can happen in two cases
|
|
// 1) An alarm, which indicates minutes without activity; no sense
|
|
// backing off
|
|
// 2) ExchangeService abort, due to sync of mailbox. Again, we want to
|
|
// keep on trying to ping
|
|
userLog("Ping aborted; retry");
|
|
} else if (pingLength < 2000) {
|
|
userLog("Abort or NAT type return < 2 seconds; throwing IOException");
|
|
throw e;
|
|
} else {
|
|
userLog("NAT type IOException");
|
|
}
|
|
} else if (hasMessage && message.contains("roken pipe")) {
|
|
// The "broken pipe" error (uppercase or lowercase "b") seems to be an
|
|
// internal error, so let's not throw an exception (which leads to delays)
|
|
// but rather simply run through the loop again
|
|
} else {
|
|
throw e;
|
|
}
|
|
}
|
|
} else if (forcePing) {
|
|
// In this case, there aren't any boxes that are pingable, but there are boxes
|
|
// waiting (for IOExceptions)
|
|
userLog("pingLoop waiting 60s for any pingable boxes");
|
|
sleep(60*SECONDS, true);
|
|
} else if (pushCount > 0) {
|
|
// If we want to Ping, but can't just yet, wait a little bit
|
|
// TODO Change sleep to wait and use notify from ExchangeService when a sync ends
|
|
sleep(2*SECONDS, false);
|
|
pingWaitCount++;
|
|
//userLog("pingLoop waited 2s for: ", (pushCount - canPushCount), " box(es)");
|
|
} else if (uninitCount > 0) {
|
|
// In this case, we're doing an initial sync of at least one mailbox. Since this
|
|
// is typically a one-time case, I'm ok with trying again every 10 seconds until
|
|
// we're in one of the other possible states.
|
|
userLog("pingLoop waiting for initial sync of ", uninitCount, " box(es)");
|
|
sleep(10*SECONDS, true);
|
|
} else if (inboxId == -1) {
|
|
// In this case, we're still syncing mailboxes, so sleep for only a short time
|
|
sleep(45*SECONDS, true);
|
|
} else {
|
|
// We've got nothing to do, so we'll check again in 20 minutes at which time
|
|
// we'll update the folder list, check for policy changes and/or remote wipe, etc.
|
|
// Let the device sleep in the meantime...
|
|
userLog(ACCOUNT_MAILBOX_SLEEP_TEXT);
|
|
sleep(ACCOUNT_MAILBOX_SLEEP_TIME, true);
|
|
}
|
|
}
|
|
|
|
// Save away the current heartbeat
|
|
mPingHeartbeat = pingHeartbeat;
|
|
}
|
|
|
|
private void sleep(long ms, boolean runAsleep) {
|
|
if (runAsleep) {
|
|
ExchangeService.runAsleep(mMailboxId, ms+(5*SECONDS));
|
|
}
|
|
try {
|
|
Thread.sleep(ms);
|
|
} catch (InterruptedException e) {
|
|
// Doesn't matter whether we stop early; it's the thought that counts
|
|
} finally {
|
|
if (runAsleep) {
|
|
ExchangeService.runAwake(mMailboxId);
|
|
}
|
|
}
|
|
}
|
|
|
|
private int parsePingResult(InputStream is, ContentResolver cr,
|
|
HashMap<String, Integer> errorMap)
|
|
throws IOException, StaleFolderListException, IllegalHeartbeatException {
|
|
PingParser pp = new PingParser(is, this);
|
|
if (pp.parse()) {
|
|
// True indicates some mailboxes need syncing...
|
|
// syncList has the serverId's of the mailboxes...
|
|
mBindArguments[0] = Long.toString(mAccount.mId);
|
|
mPingChangeList = pp.getSyncList();
|
|
for (String serverId: mPingChangeList) {
|
|
mBindArguments[1] = serverId;
|
|
Cursor c = cr.query(Mailbox.CONTENT_URI, Mailbox.CONTENT_PROJECTION,
|
|
WHERE_ACCOUNT_KEY_AND_SERVER_ID, mBindArguments, null);
|
|
try {
|
|
if (c.moveToFirst()) {
|
|
|
|
/**
|
|
* Check the boxes reporting changes to see if there really were any...
|
|
* We do this because bugs in various Exchange servers can put us into a
|
|
* looping behavior by continually reporting changes in a mailbox, even when
|
|
* there aren't any.
|
|
*
|
|
* This behavior is seemingly random, and therefore we must code defensively
|
|
* by backing off of push behavior when it is detected.
|
|
*
|
|
* One known cause, on certain Exchange 2003 servers, is acknowledged by
|
|
* Microsoft, and the server hotfix for this case can be found at
|
|
* http://support.microsoft.com/kb/923282
|
|
*/
|
|
|
|
// Check the status of the last sync
|
|
String status = c.getString(Mailbox.CONTENT_SYNC_STATUS_COLUMN);
|
|
int type = ExchangeService.getStatusType(status);
|
|
// This check should always be true...
|
|
if (type == ExchangeService.SYNC_PING) {
|
|
int changeCount = ExchangeService.getStatusChangeCount(status);
|
|
if (changeCount > 0) {
|
|
errorMap.remove(serverId);
|
|
} else if (changeCount == 0) {
|
|
// This means that a ping reported changes in error; we keep a count
|
|
// of consecutive errors of this kind
|
|
String name = c.getString(Mailbox.CONTENT_DISPLAY_NAME_COLUMN);
|
|
Integer failures = errorMap.get(serverId);
|
|
if (failures == null) {
|
|
userLog("Last ping reported changes in error for: ", name);
|
|
errorMap.put(serverId, 1);
|
|
} else if (failures > MAX_PING_FAILURES) {
|
|
// We'll back off of push for this box
|
|
pushFallback(c.getLong(Mailbox.CONTENT_ID_COLUMN));
|
|
continue;
|
|
} else {
|
|
userLog("Last ping reported changes in error for: ", name);
|
|
errorMap.put(serverId, failures + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
// If there were no problems with previous sync, we'll start another one
|
|
ExchangeService.startManualSync(c.getLong(Mailbox.CONTENT_ID_COLUMN),
|
|
ExchangeService.SYNC_PING, null);
|
|
}
|
|
} finally {
|
|
c.close();
|
|
}
|
|
}
|
|
}
|
|
return pp.getSyncStatus();
|
|
}
|
|
|
|
/**
|
|
* Common code to sync E+PIM data
|
|
*
|
|
* @param target an EasMailbox, EasContacts, or EasCalendar object
|
|
*/
|
|
public void sync(AbstractSyncAdapter target) throws IOException {
|
|
Mailbox mailbox = target.mMailbox;
|
|
|
|
boolean moreAvailable = true;
|
|
int loopingCount = 0;
|
|
while (!mStop && (moreAvailable || hasPendingRequests())) {
|
|
// If we have no connectivity, just exit cleanly. ExchangeService will start us up again
|
|
// when connectivity has returned
|
|
if (!hasConnectivity()) {
|
|
userLog("No connectivity in sync; finishing sync");
|
|
mExitStatus = EXIT_DONE;
|
|
return;
|
|
}
|
|
|
|
// Every time through the loop we check to see if we're still syncable
|
|
if (!target.isSyncable()) {
|
|
mExitStatus = EXIT_DONE;
|
|
return;
|
|
}
|
|
|
|
// Now, handle various requests
|
|
while (true) {
|
|
Request req = null;
|
|
|
|
if (mRequestQueue.isEmpty()) {
|
|
break;
|
|
} else {
|
|
req = mRequestQueue.peek();
|
|
}
|
|
|
|
// Our two request types are PartRequest (loading attachment) and
|
|
// MeetingResponseRequest (respond to a meeting request)
|
|
if (req instanceof PartRequest) {
|
|
loadAttachment((PartRequest)req);
|
|
} else if (req instanceof MeetingResponseRequest) {
|
|
sendMeetingResponse((MeetingResponseRequest)req);
|
|
} else if (req instanceof MessageMoveRequest) {
|
|
messageMoveRequest((MessageMoveRequest)req);
|
|
}
|
|
|
|
// If there's an exception handling the request, we'll throw it
|
|
// Otherwise, we remove the request
|
|
mRequestQueue.remove();
|
|
}
|
|
|
|
// Don't sync if we've got nothing to do
|
|
if (!moreAvailable) {
|
|
continue;
|
|
}
|
|
|
|
Serializer s = new Serializer();
|
|
|
|
String className = target.getCollectionName();
|
|
String syncKey = target.getSyncKey();
|
|
userLog("sync, sending ", className, " syncKey: ", syncKey);
|
|
s.start(Tags.SYNC_SYNC)
|
|
.start(Tags.SYNC_COLLECTIONS)
|
|
.start(Tags.SYNC_COLLECTION);
|
|
// The "Class" element is removed in EAS 12.1 and later versions
|
|
if (mProtocolVersionDouble < Eas.SUPPORTED_PROTOCOL_EX2007_SP1_DOUBLE) {
|
|
s.data(Tags.SYNC_CLASS, className);
|
|
}
|
|
s.data(Tags.SYNC_SYNC_KEY, syncKey)
|
|
.data(Tags.SYNC_COLLECTION_ID, mailbox.mServerId);
|
|
|
|
// Start with the default timeout
|
|
int timeout = COMMAND_TIMEOUT;
|
|
if (!syncKey.equals("0")) {
|
|
// EAS doesn't allow GetChanges in an initial sync; sending other options
|
|
// appears to cause the server to delay its response in some cases, and this delay
|
|
// can be long enough to result in an IOException and total failure to sync.
|
|
// Therefore, we don't send any options with the initial sync.
|
|
// Set the truncation amount, body preference, lookback, etc.
|
|
target.sendSyncOptions(mProtocolVersionDouble, s);
|
|
} else {
|
|
// Use enormous timeout for initial sync, which empirically can take a while longer
|
|
timeout = 120*SECONDS;
|
|
}
|
|
// Send our changes up to the server
|
|
target.sendLocalChanges(s);
|
|
|
|
s.end().end().end().done();
|
|
HttpResponse resp = sendHttpClientPost("Sync", new ByteArrayEntity(s.toByteArray()),
|
|
timeout);
|
|
HttpEntity entity = resp.getEntity();
|
|
try {
|
|
int code = resp.getStatusLine().getStatusCode();
|
|
if (code == HttpStatus.SC_OK) {
|
|
// In EAS 12.1, we can get "empty" sync responses, which indicate that there are
|
|
// no changes in the mailbox; handle that case here
|
|
Header header = resp.getFirstHeader("content-length");
|
|
if (header != null && header.getValue().equals("0")) {
|
|
// If this happens, exit cleanly, and change the interval from push to ping
|
|
// if necessary
|
|
userLog("Empty sync response; finishing");
|
|
if (mMailbox.mSyncInterval == Mailbox.CHECK_INTERVAL_PUSH) {
|
|
userLog("Changing mailbox from push to ping");
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(Mailbox.SYNC_INTERVAL, Mailbox.CHECK_INTERVAL_PING);
|
|
mContentResolver.update(
|
|
ContentUris.withAppendedId(Mailbox.CONTENT_URI, mMailbox.mId),
|
|
cv, null, null);
|
|
}
|
|
if (mRequestQueue.isEmpty()) {
|
|
mExitStatus = EXIT_DONE;
|
|
return;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
InputStream is = entity.getContent();
|
|
if (is != null) {
|
|
moreAvailable = target.parse(is);
|
|
if (target.isLooping()) {
|
|
loopingCount++;
|
|
userLog("** Looping: " + loopingCount);
|
|
// After the maximum number of loops, we'll set moreAvailable to false
|
|
// and allow the sync loop to terminate
|
|
if (moreAvailable && (loopingCount > MAX_LOOPING_COUNT)) {
|
|
userLog("** Looping force stopped");
|
|
moreAvailable = false;
|
|
}
|
|
} else {
|
|
loopingCount = 0;
|
|
}
|
|
target.cleanup();
|
|
} else {
|
|
userLog("Empty input stream in sync command response");
|
|
}
|
|
} else {
|
|
userLog("Sync response error: ", code);
|
|
if (isProvisionError(code)) {
|
|
mExitStatus = EXIT_SECURITY_FAILURE;
|
|
} else if (isAuthError(code)) {
|
|
mExitStatus = EXIT_LOGIN_FAILURE;
|
|
} else {
|
|
mExitStatus = EXIT_IO_ERROR;
|
|
}
|
|
return;
|
|
}
|
|
} finally {
|
|
if (entity != null) {
|
|
entity.consumeContent();
|
|
}
|
|
}
|
|
}
|
|
mExitStatus = EXIT_DONE;
|
|
}
|
|
|
|
protected boolean setupService() {
|
|
// Make sure account and mailbox are always the latest from the database
|
|
mAccount = Account.restoreAccountWithId(mContext, mAccount.mId);
|
|
if (mAccount == null) return false;
|
|
mMailbox = Mailbox.restoreMailboxWithId(mContext, mMailbox.mId);
|
|
if (mMailbox == null) return false;
|
|
mThread = Thread.currentThread();
|
|
android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND);
|
|
TAG = mThread.getName();
|
|
|
|
HostAuth ha = HostAuth.restoreHostAuthWithId(mContext, mAccount.mHostAuthKeyRecv);
|
|
if (ha == null) return false;
|
|
mHostAddress = ha.mAddress;
|
|
mUserName = ha.mLogin;
|
|
mPassword = ha.mPassword;
|
|
|
|
// Set up our protocol version from the Account
|
|
mProtocolVersion = mAccount.mProtocolVersion;
|
|
// If it hasn't been set up, start with default version
|
|
if (mProtocolVersion == null) {
|
|
mProtocolVersion = Eas.DEFAULT_PROTOCOL_VERSION;
|
|
}
|
|
mProtocolVersionDouble = Eas.getProtocolVersionDouble(mProtocolVersion);
|
|
return true;
|
|
}
|
|
|
|
/* (non-Javadoc)
|
|
* @see java.lang.Runnable#run()
|
|
*/
|
|
public void run() {
|
|
if (!setupService()) return;
|
|
if (mSyncReason >= ExchangeService.SYNC_CALLBACK_START) {
|
|
try {
|
|
ExchangeService.callback().syncMailboxStatus(mMailboxId,
|
|
EmailServiceStatus.IN_PROGRESS, 0);
|
|
} catch (RemoteException e1) {
|
|
// Don't care if this fails
|
|
}
|
|
}
|
|
|
|
// Whether or not we're the account mailbox
|
|
try {
|
|
mDeviceId = Device.getDeviceId(mContext);
|
|
if ((mMailbox == null) || (mAccount == null)) {
|
|
return;
|
|
} else if (mMailbox.mType == Mailbox.TYPE_EAS_ACCOUNT_MAILBOX) {
|
|
runAccountMailbox();
|
|
} else {
|
|
AbstractSyncAdapter target;
|
|
if (mMailbox.mType == Mailbox.TYPE_CONTACTS) {
|
|
target = new ContactsSyncAdapter( this);
|
|
} else if (mMailbox.mType == Mailbox.TYPE_CALENDAR) {
|
|
target = new CalendarSyncAdapter(this);
|
|
} else {
|
|
target = new EmailSyncAdapter(this);
|
|
}
|
|
// We loop here because someone might have put a request in while we were syncing
|
|
// and we've missed that opportunity...
|
|
do {
|
|
if (mRequestTime != 0) {
|
|
userLog("Looping for user request...");
|
|
mRequestTime = 0;
|
|
}
|
|
sync(target);
|
|
} while (mRequestTime != 0);
|
|
}
|
|
} catch (EasAuthenticationException e) {
|
|
userLog("Caught authentication error");
|
|
mExitStatus = EXIT_LOGIN_FAILURE;
|
|
} catch (IOException e) {
|
|
String message = e.getMessage();
|
|
userLog("Caught IOException: ", (message == null) ? "No message" : message);
|
|
mExitStatus = EXIT_IO_ERROR;
|
|
} catch (Exception e) {
|
|
userLog("Uncaught exception in EasSyncService", e);
|
|
} finally {
|
|
int status;
|
|
|
|
if (!mStop) {
|
|
userLog("Sync finished");
|
|
ExchangeService.done(this);
|
|
switch (mExitStatus) {
|
|
case EXIT_IO_ERROR:
|
|
status = EmailServiceStatus.CONNECTION_ERROR;
|
|
break;
|
|
case EXIT_DONE:
|
|
status = EmailServiceStatus.SUCCESS;
|
|
ContentValues cv = new ContentValues();
|
|
cv.put(Mailbox.SYNC_TIME, System.currentTimeMillis());
|
|
String s = "S" + mSyncReason + ':' + status + ':' + mChangeCount;
|
|
cv.put(Mailbox.SYNC_STATUS, s);
|
|
mContentResolver.update(ContentUris.withAppendedId(Mailbox.CONTENT_URI,
|
|
mMailboxId), cv, null, null);
|
|
break;
|
|
case EXIT_LOGIN_FAILURE:
|
|
status = EmailServiceStatus.LOGIN_FAILED;
|
|
break;
|
|
case EXIT_SECURITY_FAILURE:
|
|
status = EmailServiceStatus.SECURITY_FAILURE;
|
|
// Ask for a new folder list. This should wake up the account mailbox; a
|
|
// security error in account mailbox should start the provisioning process
|
|
ExchangeService.reloadFolderList(mContext, mAccount.mId, true);
|
|
break;
|
|
default:
|
|
status = EmailServiceStatus.REMOTE_EXCEPTION;
|
|
errorLog("Sync ended due to an exception.");
|
|
break;
|
|
}
|
|
} else {
|
|
userLog("Stopped sync finished.");
|
|
status = EmailServiceStatus.SUCCESS;
|
|
}
|
|
|
|
// Send a callback if this run was initiated by a service call
|
|
if (mSyncReason >= ExchangeService.SYNC_CALLBACK_START) {
|
|
try {
|
|
// Unless the user specifically asked for a sync, we really don't want to report
|
|
// connection issues, as they are likely to be transient. In this case, we
|
|
// simply report success, so that the progress indicator terminates without
|
|
// putting up an error banner
|
|
if (mSyncReason != ExchangeService.SYNC_UI_REQUEST &&
|
|
status == EmailServiceStatus.CONNECTION_ERROR) {
|
|
status = EmailServiceStatus.SUCCESS;
|
|
}
|
|
ExchangeService.callback().syncMailboxStatus(mMailboxId, status, 0);
|
|
} catch (RemoteException e1) {
|
|
// Don't care if this fails
|
|
}
|
|
}
|
|
|
|
// Make sure ExchangeService knows about this
|
|
ExchangeService.kick("sync finished");
|
|
}
|
|
}
|
|
}
|