DBHelper.java revision 70bbe5ec3cabfc711cf4486318a04bb18e34ebf3
1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.email.provider;
18
19import android.accounts.AccountManager;
20import android.content.ContentResolver;
21import android.content.ContentValues;
22import android.content.Context;
23import android.database.Cursor;
24import android.database.SQLException;
25import android.database.sqlite.SQLiteDatabase;
26import android.database.sqlite.SQLiteOpenHelper;
27import android.provider.ContactsContract;
28import android.util.Log;
29
30import com.android.email.Email;
31import com.android.emailcommon.AccountManagerTypes;
32import com.android.emailcommon.CalendarProviderStub;
33import com.android.emailcommon.mail.Address;
34import com.android.emailcommon.provider.Account;
35import com.android.emailcommon.provider.EmailContent;
36import com.android.emailcommon.provider.EmailContent.AccountColumns;
37import com.android.emailcommon.provider.EmailContent.Attachment;
38import com.android.emailcommon.provider.EmailContent.AttachmentColumns;
39import com.android.emailcommon.provider.EmailContent.Body;
40import com.android.emailcommon.provider.EmailContent.BodyColumns;
41import com.android.emailcommon.provider.EmailContent.HostAuthColumns;
42import com.android.emailcommon.provider.EmailContent.MailboxColumns;
43import com.android.emailcommon.provider.EmailContent.Message;
44import com.android.emailcommon.provider.EmailContent.MessageColumns;
45import com.android.emailcommon.provider.EmailContent.PolicyColumns;
46import com.android.emailcommon.provider.EmailContent.QuickResponseColumns;
47import com.android.emailcommon.provider.EmailContent.SyncColumns;
48import com.android.emailcommon.provider.HostAuth;
49import com.android.emailcommon.provider.Mailbox;
50import com.android.emailcommon.provider.Policy;
51import com.android.emailcommon.provider.QuickResponse;
52import com.android.emailcommon.service.LegacyPolicySet;
53import com.android.mail.providers.UIProvider;
54import com.google.common.annotations.VisibleForTesting;
55
56public final class DBHelper {
57    private static final String TAG = "EmailProvider";
58
59    private static final String WHERE_ID = EmailContent.RECORD_ID + "=?";
60
61    private static final String TRIGGER_MAILBOX_DELETE =
62        "create trigger mailbox_delete before delete on " + Mailbox.TABLE_NAME +
63        " begin" +
64        " delete from " + Message.TABLE_NAME +
65        "  where " + MessageColumns.MAILBOX_KEY + "=old." + EmailContent.RECORD_ID +
66        "; delete from " + Message.UPDATED_TABLE_NAME +
67        "  where " + MessageColumns.MAILBOX_KEY + "=old." + EmailContent.RECORD_ID +
68        "; delete from " + Message.DELETED_TABLE_NAME +
69        "  where " + MessageColumns.MAILBOX_KEY + "=old." + EmailContent.RECORD_ID +
70        "; end";
71
72    private static final String TRIGGER_ACCOUNT_DELETE =
73        "create trigger account_delete before delete on " + Account.TABLE_NAME +
74        " begin delete from " + Mailbox.TABLE_NAME +
75        " where " + MailboxColumns.ACCOUNT_KEY + "=old." + EmailContent.RECORD_ID +
76        "; delete from " + HostAuth.TABLE_NAME +
77        " where " + EmailContent.RECORD_ID + "=old." + AccountColumns.HOST_AUTH_KEY_RECV +
78        "; delete from " + HostAuth.TABLE_NAME +
79        " where " + EmailContent.RECORD_ID + "=old." + AccountColumns.HOST_AUTH_KEY_SEND +
80        "; delete from " + Policy.TABLE_NAME +
81        " where " + EmailContent.RECORD_ID + "=old." + AccountColumns.POLICY_KEY +
82        "; end";
83
84    // Any changes to the database format *must* include update-in-place code.
85    // Original version: 3
86    // Version 4: Database wipe required; changing AccountManager interface w/Exchange
87    // Version 5: Database wipe required; changing AccountManager interface w/Exchange
88    // Version 6: Adding Message.mServerTimeStamp column
89    // Version 7: Replace the mailbox_delete trigger with a version that removes orphaned messages
90    //            from the Message_Deletes and Message_Updates tables
91    // Version 8: Add security flags column to accounts table
92    // Version 9: Add security sync key and signature to accounts table
93    // Version 10: Add meeting info to message table
94    // Version 11: Add content and flags to attachment table
95    // Version 12: Add content_bytes to attachment table. content is deprecated.
96    // Version 13: Add messageCount to Mailbox table.
97    // Version 14: Add snippet to Message table
98    // Version 15: Fix upgrade problem in version 14.
99    // Version 16: Add accountKey to Attachment table
100    // Version 17: Add parentKey to Mailbox table
101    // Version 18: Copy Mailbox.displayName to Mailbox.serverId for all IMAP & POP3 mailboxes.
102    //             Column Mailbox.serverId is used for the server-side pathname of a mailbox.
103    // Version 19: Add Policy table; add policyKey to Account table and trigger to delete an
104    //             Account's policy when the Account is deleted
105    // Version 20: Add new policies to Policy table
106    // Version 21: Add lastSeenMessageKey column to Mailbox table
107    // Version 22: Upgrade path for IMAP/POP accounts to integrate with AccountManager
108    // Version 23: Add column to mailbox table for time of last access
109    // Version 24: Add column to hostauth table for client cert alias
110    // Version 25: Added QuickResponse table
111    // Version 26: Update IMAP accounts to add FLAG_SUPPORTS_SEARCH flag
112    // Version 27: Add protocolSearchInfo to Message table
113    // Version 28: Add notifiedMessageId and notifiedMessageCount to Account
114    // Version 29: Add protocolPoliciesEnforced and protocolPoliciesUnsupported to Policy
115    // Version 30: Use CSV of RFC822 addresses instead of "packed" values
116    // Version 31: Add columns to mailbox for ui status/last result
117    // Version 32: Add columns to mailbox for last notified message key/count; insure not null
118    //             for "notified" columns
119    // Version 33: Add columns to attachment for ui provider columns
120
121    public static final int DATABASE_VERSION = 33;
122
123    // Any changes to the database format *must* include update-in-place code.
124    // Original version: 2
125    // Version 3: Add "sourceKey" column
126    // Version 4: Database wipe required; changing AccountManager interface w/Exchange
127    // Version 5: Database wipe required; changing AccountManager interface w/Exchange
128    // Version 6: Adding Body.mIntroText column
129    public static final int BODY_DATABASE_VERSION = 6;
130
131    /*
132     * Internal helper method for index creation.
133     * Example:
134     * "create index message_" + MessageColumns.FLAG_READ
135     * + " on " + Message.TABLE_NAME + " (" + MessageColumns.FLAG_READ + ");"
136     */
137    /* package */
138    static String createIndex(String tableName, String columnName) {
139        return "create index " + tableName.toLowerCase() + '_' + columnName
140            + " on " + tableName + " (" + columnName + ");";
141    }
142
143    static void createMessageTable(SQLiteDatabase db) {
144        String messageColumns = MessageColumns.DISPLAY_NAME + " text, "
145            + MessageColumns.TIMESTAMP + " integer, "
146            + MessageColumns.SUBJECT + " text, "
147            + MessageColumns.FLAG_READ + " integer, "
148            + MessageColumns.FLAG_LOADED + " integer, "
149            + MessageColumns.FLAG_FAVORITE + " integer, "
150            + MessageColumns.FLAG_ATTACHMENT + " integer, "
151            + MessageColumns.FLAGS + " integer, "
152            + MessageColumns.CLIENT_ID + " integer, "
153            + MessageColumns.MESSAGE_ID + " text, "
154            + MessageColumns.MAILBOX_KEY + " integer, "
155            + MessageColumns.ACCOUNT_KEY + " integer, "
156            + MessageColumns.FROM_LIST + " text, "
157            + MessageColumns.TO_LIST + " text, "
158            + MessageColumns.CC_LIST + " text, "
159            + MessageColumns.BCC_LIST + " text, "
160            + MessageColumns.REPLY_TO_LIST + " text, "
161            + MessageColumns.MEETING_INFO + " text, "
162            + MessageColumns.SNIPPET + " text, "
163            + MessageColumns.PROTOCOL_SEARCH_INFO + " text"
164            + ");";
165
166        // This String and the following String MUST have the same columns, except for the type
167        // of those columns!
168        String createString = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
169            + SyncColumns.SERVER_ID + " text, "
170            + SyncColumns.SERVER_TIMESTAMP + " integer, "
171            + messageColumns;
172
173        // For the updated and deleted tables, the id is assigned, but we do want to keep track
174        // of the ORDER of updates using an autoincrement primary key.  We use the DATA column
175        // at this point; it has no other function
176        String altCreateString = " (" + EmailContent.RECORD_ID + " integer unique, "
177            + SyncColumns.SERVER_ID + " text, "
178            + SyncColumns.SERVER_TIMESTAMP + " integer, "
179            + messageColumns;
180
181        // The three tables have the same schema
182        db.execSQL("create table " + Message.TABLE_NAME + createString);
183        db.execSQL("create table " + Message.UPDATED_TABLE_NAME + altCreateString);
184        db.execSQL("create table " + Message.DELETED_TABLE_NAME + altCreateString);
185
186        String indexColumns[] = {
187            MessageColumns.TIMESTAMP,
188            MessageColumns.FLAG_READ,
189            MessageColumns.FLAG_LOADED,
190            MessageColumns.MAILBOX_KEY,
191            SyncColumns.SERVER_ID
192        };
193
194        for (String columnName : indexColumns) {
195            db.execSQL(createIndex(Message.TABLE_NAME, columnName));
196        }
197
198        // Deleting a Message deletes all associated Attachments
199        // Deleting the associated Body cannot be done in a trigger, because the Body is stored
200        // in a separate database, and trigger cannot operate on attached databases.
201        db.execSQL("create trigger message_delete before delete on " + Message.TABLE_NAME +
202                " begin delete from " + Attachment.TABLE_NAME +
203                "  where " + AttachmentColumns.MESSAGE_KEY + "=old." + EmailContent.RECORD_ID +
204                "; end");
205
206        // Add triggers to keep unread count accurate per mailbox
207
208        // NOTE: SQLite's before triggers are not safe when recursive triggers are involved.
209        // Use caution when changing them.
210
211        // Insert a message; if flagRead is zero, add to the unread count of the message's mailbox
212        db.execSQL("create trigger unread_message_insert before insert on " + Message.TABLE_NAME +
213                " when NEW." + MessageColumns.FLAG_READ + "=0" +
214                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
215                '=' + MailboxColumns.UNREAD_COUNT + "+1" +
216                "  where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
217                "; end");
218
219        // Delete a message; if flagRead is zero, decrement the unread count of the msg's mailbox
220        db.execSQL("create trigger unread_message_delete before delete on " + Message.TABLE_NAME +
221                " when OLD." + MessageColumns.FLAG_READ + "=0" +
222                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
223                '=' + MailboxColumns.UNREAD_COUNT + "-1" +
224                "  where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
225                "; end");
226
227        // Change a message's mailbox
228        db.execSQL("create trigger unread_message_move before update of " +
229                MessageColumns.MAILBOX_KEY + " on " + Message.TABLE_NAME +
230                " when OLD." + MessageColumns.FLAG_READ + "=0" +
231                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
232                '=' + MailboxColumns.UNREAD_COUNT + "-1" +
233                "  where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
234                "; update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
235                '=' + MailboxColumns.UNREAD_COUNT + "+1" +
236                " where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
237                "; end");
238
239        // Change a message's read state
240        db.execSQL("create trigger unread_message_read before update of " +
241                MessageColumns.FLAG_READ + " on " + Message.TABLE_NAME +
242                " when OLD." + MessageColumns.FLAG_READ + "!=NEW." + MessageColumns.FLAG_READ +
243                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.UNREAD_COUNT +
244                '=' + MailboxColumns.UNREAD_COUNT + "+ case OLD." + MessageColumns.FLAG_READ +
245                " when 0 then -1 else 1 end" +
246                "  where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
247                "; end");
248
249        // Add triggers to update message count per mailbox
250
251        // Insert a message.
252        db.execSQL("create trigger message_count_message_insert after insert on " +
253                Message.TABLE_NAME +
254                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
255                '=' + MailboxColumns.MESSAGE_COUNT + "+1" +
256                "  where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
257                "; end");
258
259        // Delete a message; if flagRead is zero, decrement the unread count of the msg's mailbox
260        db.execSQL("create trigger message_count_message_delete after delete on " +
261                Message.TABLE_NAME +
262                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
263                '=' + MailboxColumns.MESSAGE_COUNT + "-1" +
264                "  where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
265                "; end");
266
267        // Change a message's mailbox
268        db.execSQL("create trigger message_count_message_move after update of " +
269                MessageColumns.MAILBOX_KEY + " on " + Message.TABLE_NAME +
270                " begin update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
271                '=' + MailboxColumns.MESSAGE_COUNT + "-1" +
272                "  where " + EmailContent.RECORD_ID + "=OLD." + MessageColumns.MAILBOX_KEY +
273                "; update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
274                '=' + MailboxColumns.MESSAGE_COUNT + "+1" +
275                " where " + EmailContent.RECORD_ID + "=NEW." + MessageColumns.MAILBOX_KEY +
276                "; end");
277    }
278
279    static void resetMessageTable(SQLiteDatabase db, int oldVersion, int newVersion) {
280        try {
281            db.execSQL("drop table " + Message.TABLE_NAME);
282            db.execSQL("drop table " + Message.UPDATED_TABLE_NAME);
283            db.execSQL("drop table " + Message.DELETED_TABLE_NAME);
284        } catch (SQLException e) {
285        }
286        createMessageTable(db);
287    }
288
289    @SuppressWarnings("deprecation")
290    static void createAccountTable(SQLiteDatabase db) {
291        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
292            + AccountColumns.DISPLAY_NAME + " text, "
293            + AccountColumns.EMAIL_ADDRESS + " text, "
294            + AccountColumns.SYNC_KEY + " text, "
295            + AccountColumns.SYNC_LOOKBACK + " integer, "
296            + AccountColumns.SYNC_INTERVAL + " text, "
297            + AccountColumns.HOST_AUTH_KEY_RECV + " integer, "
298            + AccountColumns.HOST_AUTH_KEY_SEND + " integer, "
299            + AccountColumns.FLAGS + " integer, "
300            + AccountColumns.IS_DEFAULT + " integer, "
301            + AccountColumns.COMPATIBILITY_UUID + " text, "
302            + AccountColumns.SENDER_NAME + " text, "
303            + AccountColumns.RINGTONE_URI + " text, "
304            + AccountColumns.PROTOCOL_VERSION + " text, "
305            + AccountColumns.NEW_MESSAGE_COUNT + " integer, "
306            + AccountColumns.SECURITY_FLAGS + " integer, "
307            + AccountColumns.SECURITY_SYNC_KEY + " text, "
308            + AccountColumns.SIGNATURE + " text, "
309            + AccountColumns.POLICY_KEY + " integer"
310            + ");";
311        db.execSQL("create table " + Account.TABLE_NAME + s);
312        // Deleting an account deletes associated Mailboxes and HostAuth's
313        db.execSQL(TRIGGER_ACCOUNT_DELETE);
314    }
315
316    static void resetAccountTable(SQLiteDatabase db, int oldVersion, int newVersion) {
317        try {
318            db.execSQL("drop table " +  Account.TABLE_NAME);
319        } catch (SQLException e) {
320        }
321        createAccountTable(db);
322    }
323
324    static void createPolicyTable(SQLiteDatabase db) {
325        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
326            + PolicyColumns.PASSWORD_MODE + " integer, "
327            + PolicyColumns.PASSWORD_MIN_LENGTH + " integer, "
328            + PolicyColumns.PASSWORD_EXPIRATION_DAYS + " integer, "
329            + PolicyColumns.PASSWORD_HISTORY + " integer, "
330            + PolicyColumns.PASSWORD_COMPLEX_CHARS + " integer, "
331            + PolicyColumns.PASSWORD_MAX_FAILS + " integer, "
332            + PolicyColumns.MAX_SCREEN_LOCK_TIME + " integer, "
333            + PolicyColumns.REQUIRE_REMOTE_WIPE + " integer, "
334            + PolicyColumns.REQUIRE_ENCRYPTION + " integer, "
335            + PolicyColumns.REQUIRE_ENCRYPTION_EXTERNAL + " integer, "
336            + PolicyColumns.REQUIRE_MANUAL_SYNC_WHEN_ROAMING + " integer, "
337            + PolicyColumns.DONT_ALLOW_CAMERA + " integer, "
338            + PolicyColumns.DONT_ALLOW_ATTACHMENTS + " integer, "
339            + PolicyColumns.DONT_ALLOW_HTML + " integer, "
340            + PolicyColumns.MAX_ATTACHMENT_SIZE + " integer, "
341            + PolicyColumns.MAX_TEXT_TRUNCATION_SIZE + " integer, "
342            + PolicyColumns.MAX_HTML_TRUNCATION_SIZE + " integer, "
343            + PolicyColumns.MAX_EMAIL_LOOKBACK + " integer, "
344            + PolicyColumns.MAX_CALENDAR_LOOKBACK + " integer, "
345            + PolicyColumns.PASSWORD_RECOVERY_ENABLED + " integer, "
346            + PolicyColumns.PROTOCOL_POLICIES_ENFORCED + " text, "
347            + PolicyColumns.PROTOCOL_POLICIES_UNSUPPORTED + " text"
348            + ");";
349        db.execSQL("create table " + Policy.TABLE_NAME + s);
350    }
351
352    static void createHostAuthTable(SQLiteDatabase db) {
353        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
354            + HostAuthColumns.PROTOCOL + " text, "
355            + HostAuthColumns.ADDRESS + " text, "
356            + HostAuthColumns.PORT + " integer, "
357            + HostAuthColumns.FLAGS + " integer, "
358            + HostAuthColumns.LOGIN + " text, "
359            + HostAuthColumns.PASSWORD + " text, "
360            + HostAuthColumns.DOMAIN + " text, "
361            + HostAuthColumns.ACCOUNT_KEY + " integer,"
362            + HostAuthColumns.CLIENT_CERT_ALIAS + " text"
363            + ");";
364        db.execSQL("create table " + HostAuth.TABLE_NAME + s);
365    }
366
367    static void resetHostAuthTable(SQLiteDatabase db, int oldVersion, int newVersion) {
368        try {
369            db.execSQL("drop table " + HostAuth.TABLE_NAME);
370        } catch (SQLException e) {
371        }
372        createHostAuthTable(db);
373    }
374
375    static void createMailboxTable(SQLiteDatabase db) {
376        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
377            + MailboxColumns.DISPLAY_NAME + " text, "
378            + MailboxColumns.SERVER_ID + " text, "
379            + MailboxColumns.PARENT_SERVER_ID + " text, "
380            + MailboxColumns.PARENT_KEY + " integer, "
381            + MailboxColumns.ACCOUNT_KEY + " integer, "
382            + MailboxColumns.TYPE + " integer, "
383            + MailboxColumns.DELIMITER + " integer, "
384            + MailboxColumns.SYNC_KEY + " text, "
385            + MailboxColumns.SYNC_LOOKBACK + " integer, "
386            + MailboxColumns.SYNC_INTERVAL + " integer, "
387            + MailboxColumns.SYNC_TIME + " integer, "
388            + MailboxColumns.UNREAD_COUNT + " integer, "
389            + MailboxColumns.FLAG_VISIBLE + " integer, "
390            + MailboxColumns.FLAGS + " integer, "
391            + MailboxColumns.VISIBLE_LIMIT + " integer, "
392            + MailboxColumns.SYNC_STATUS + " text, "
393            + MailboxColumns.MESSAGE_COUNT + " integer not null default 0, "
394            + MailboxColumns.LAST_TOUCHED_TIME + " integer default 0, "
395            + MailboxColumns.UI_SYNC_STATUS + " integer default 0, "
396            + MailboxColumns.UI_LAST_SYNC_RESULT + " integer default 0, "
397            + MailboxColumns.LAST_NOTIFIED_MESSAGE_KEY + " integer not null default 0, "
398            + MailboxColumns.LAST_NOTIFIED_MESSAGE_COUNT + " integer not null default 0"
399            + ");";
400        db.execSQL("create table " + Mailbox.TABLE_NAME + s);
401        db.execSQL("create index mailbox_" + MailboxColumns.SERVER_ID
402                + " on " + Mailbox.TABLE_NAME + " (" + MailboxColumns.SERVER_ID + ")");
403        db.execSQL("create index mailbox_" + MailboxColumns.ACCOUNT_KEY
404                + " on " + Mailbox.TABLE_NAME + " (" + MailboxColumns.ACCOUNT_KEY + ")");
405        // Deleting a Mailbox deletes associated Messages in all three tables
406        db.execSQL(TRIGGER_MAILBOX_DELETE);
407    }
408
409    static void resetMailboxTable(SQLiteDatabase db, int oldVersion, int newVersion) {
410        try {
411            db.execSQL("drop table " + Mailbox.TABLE_NAME);
412        } catch (SQLException e) {
413        }
414        createMailboxTable(db);
415    }
416
417    static void createAttachmentTable(SQLiteDatabase db) {
418        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
419            + AttachmentColumns.FILENAME + " text, "
420            + AttachmentColumns.MIME_TYPE + " text, "
421            + AttachmentColumns.SIZE + " integer, "
422            + AttachmentColumns.CONTENT_ID + " text, "
423            + AttachmentColumns.CONTENT_URI + " text, "
424            + AttachmentColumns.MESSAGE_KEY + " integer, "
425            + AttachmentColumns.LOCATION + " text, "
426            + AttachmentColumns.ENCODING + " text, "
427            + AttachmentColumns.CONTENT + " text, "
428            + AttachmentColumns.FLAGS + " integer, "
429            + AttachmentColumns.CONTENT_BYTES + " blob, "
430            + AttachmentColumns.ACCOUNT_KEY + " integer, "
431            + AttachmentColumns.UI_STATE + " integer, "
432            + AttachmentColumns.UI_DESTINATION + " integer, "
433            + AttachmentColumns.UI_DOWNLOADED_SIZE + " integer"
434            + ");";
435        db.execSQL("create table " + Attachment.TABLE_NAME + s);
436        db.execSQL(createIndex(Attachment.TABLE_NAME, AttachmentColumns.MESSAGE_KEY));
437    }
438
439    static void resetAttachmentTable(SQLiteDatabase db, int oldVersion, int newVersion) {
440        try {
441            db.execSQL("drop table " + Attachment.TABLE_NAME);
442        } catch (SQLException e) {
443        }
444        createAttachmentTable(db);
445    }
446
447    static void createQuickResponseTable(SQLiteDatabase db) {
448        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
449                + QuickResponseColumns.TEXT + " text, "
450                + QuickResponseColumns.ACCOUNT_KEY + " integer"
451                + ");";
452        db.execSQL("create table " + QuickResponse.TABLE_NAME + s);
453    }
454
455    static void createBodyTable(SQLiteDatabase db) {
456        String s = " (" + EmailContent.RECORD_ID + " integer primary key autoincrement, "
457            + BodyColumns.MESSAGE_KEY + " integer, "
458            + BodyColumns.HTML_CONTENT + " text, "
459            + BodyColumns.TEXT_CONTENT + " text, "
460            + BodyColumns.HTML_REPLY + " text, "
461            + BodyColumns.TEXT_REPLY + " text, "
462            + BodyColumns.SOURCE_MESSAGE_KEY + " text, "
463            + BodyColumns.INTRO_TEXT + " text"
464            + ");";
465        db.execSQL("create table " + Body.TABLE_NAME + s);
466        db.execSQL(createIndex(Body.TABLE_NAME, BodyColumns.MESSAGE_KEY));
467    }
468
469    static void upgradeBodyTable(SQLiteDatabase db, int oldVersion, int newVersion) {
470        if (oldVersion < 5) {
471            try {
472                db.execSQL("drop table " + Body.TABLE_NAME);
473                createBodyTable(db);
474            } catch (SQLException e) {
475            }
476        } else if (oldVersion == 5) {
477            try {
478                db.execSQL("alter table " + Body.TABLE_NAME
479                        + " add " + BodyColumns.INTRO_TEXT + " text");
480            } catch (SQLException e) {
481                // Shouldn't be needed unless we're debugging and interrupt the process
482                Log.w(TAG, "Exception upgrading EmailProviderBody.db from v5 to v6", e);
483            }
484            oldVersion = 6;
485        }
486    }
487
488    protected static class BodyDatabaseHelper extends SQLiteOpenHelper {
489        BodyDatabaseHelper(Context context, String name) {
490            super(context, name, null, BODY_DATABASE_VERSION);
491        }
492
493        @Override
494        public void onCreate(SQLiteDatabase db) {
495            Log.d(TAG, "Creating EmailProviderBody database");
496            createBodyTable(db);
497        }
498
499        @Override
500        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
501            upgradeBodyTable(db, oldVersion, newVersion);
502        }
503
504        @Override
505        public void onOpen(SQLiteDatabase db) {
506        }
507    }
508
509    /** Counts the number of messages in each mailbox, and updates the message count column. */
510    @VisibleForTesting
511    static void recalculateMessageCount(SQLiteDatabase db) {
512        db.execSQL("update " + Mailbox.TABLE_NAME + " set " + MailboxColumns.MESSAGE_COUNT +
513                "= (select count(*) from " + Message.TABLE_NAME +
514                " where " + Message.MAILBOX_KEY + " = " +
515                    Mailbox.TABLE_NAME + "." + EmailContent.RECORD_ID + ")");
516    }
517
518    protected static class DatabaseHelper extends SQLiteOpenHelper {
519        Context mContext;
520
521        DatabaseHelper(Context context, String name) {
522            super(context, name, null, DATABASE_VERSION);
523            mContext = context;
524        }
525
526        @Override
527        public void onCreate(SQLiteDatabase db) {
528            Log.d(TAG, "Creating EmailProvider database");
529            // Create all tables here; each class has its own method
530            createMessageTable(db);
531            createAttachmentTable(db);
532            createMailboxTable(db);
533            createHostAuthTable(db);
534            createAccountTable(db);
535            createPolicyTable(db);
536            createQuickResponseTable(db);
537        }
538
539        @Override
540        @SuppressWarnings("deprecation")
541        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
542            // For versions prior to 5, delete all data
543            // Versions >= 5 require that data be preserved!
544            if (oldVersion < 5) {
545                android.accounts.Account[] accounts = AccountManager.get(mContext)
546                        .getAccountsByType(AccountManagerTypes.TYPE_EXCHANGE);
547                for (android.accounts.Account account: accounts) {
548                    AccountManager.get(mContext).removeAccount(account, null, null);
549                }
550                resetMessageTable(db, oldVersion, newVersion);
551                resetAttachmentTable(db, oldVersion, newVersion);
552                resetMailboxTable(db, oldVersion, newVersion);
553                resetHostAuthTable(db, oldVersion, newVersion);
554                resetAccountTable(db, oldVersion, newVersion);
555                return;
556            }
557            if (oldVersion == 5) {
558                // Message Tables: Add SyncColumns.SERVER_TIMESTAMP
559                try {
560                    db.execSQL("alter table " + Message.TABLE_NAME
561                            + " add column " + SyncColumns.SERVER_TIMESTAMP + " integer" + ";");
562                    db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
563                            + " add column " + SyncColumns.SERVER_TIMESTAMP + " integer" + ";");
564                    db.execSQL("alter table " + Message.DELETED_TABLE_NAME
565                            + " add column " + SyncColumns.SERVER_TIMESTAMP + " integer" + ";");
566                } catch (SQLException e) {
567                    // Shouldn't be needed unless we're debugging and interrupt the process
568                    Log.w(TAG, "Exception upgrading EmailProvider.db from v5 to v6", e);
569                }
570                oldVersion = 6;
571            }
572            if (oldVersion == 6) {
573                // Use the newer mailbox_delete trigger
574                db.execSQL("drop trigger mailbox_delete;");
575                db.execSQL(TRIGGER_MAILBOX_DELETE);
576                oldVersion = 7;
577            }
578            if (oldVersion == 7) {
579                // add the security (provisioning) column
580                try {
581                    db.execSQL("alter table " + Account.TABLE_NAME
582                            + " add column " + AccountColumns.SECURITY_FLAGS + " integer" + ";");
583                } catch (SQLException e) {
584                    // Shouldn't be needed unless we're debugging and interrupt the process
585                    Log.w(TAG, "Exception upgrading EmailProvider.db from 7 to 8 " + e);
586                }
587                oldVersion = 8;
588            }
589            if (oldVersion == 8) {
590                // accounts: add security sync key & user signature columns
591                try {
592                    db.execSQL("alter table " + Account.TABLE_NAME
593                            + " add column " + AccountColumns.SECURITY_SYNC_KEY + " text" + ";");
594                    db.execSQL("alter table " + Account.TABLE_NAME
595                            + " add column " + AccountColumns.SIGNATURE + " text" + ";");
596                } catch (SQLException e) {
597                    // Shouldn't be needed unless we're debugging and interrupt the process
598                    Log.w(TAG, "Exception upgrading EmailProvider.db from 8 to 9 " + e);
599                }
600                oldVersion = 9;
601            }
602            if (oldVersion == 9) {
603                // Message: add meeting info column into Message tables
604                try {
605                    db.execSQL("alter table " + Message.TABLE_NAME
606                            + " add column " + MessageColumns.MEETING_INFO + " text" + ";");
607                    db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
608                            + " add column " + MessageColumns.MEETING_INFO + " text" + ";");
609                    db.execSQL("alter table " + Message.DELETED_TABLE_NAME
610                            + " add column " + MessageColumns.MEETING_INFO + " text" + ";");
611                } catch (SQLException e) {
612                    // Shouldn't be needed unless we're debugging and interrupt the process
613                    Log.w(TAG, "Exception upgrading EmailProvider.db from 9 to 10 " + e);
614                }
615                oldVersion = 10;
616            }
617            if (oldVersion == 10) {
618                // Attachment: add content and flags columns
619                try {
620                    db.execSQL("alter table " + Attachment.TABLE_NAME
621                            + " add column " + AttachmentColumns.CONTENT + " text" + ";");
622                    db.execSQL("alter table " + Attachment.TABLE_NAME
623                            + " add column " + AttachmentColumns.FLAGS + " integer" + ";");
624                } catch (SQLException e) {
625                    // Shouldn't be needed unless we're debugging and interrupt the process
626                    Log.w(TAG, "Exception upgrading EmailProvider.db from 10 to 11 " + e);
627                }
628                oldVersion = 11;
629            }
630            if (oldVersion == 11) {
631                // Attachment: add content_bytes
632                try {
633                    db.execSQL("alter table " + Attachment.TABLE_NAME
634                            + " add column " + AttachmentColumns.CONTENT_BYTES + " blob" + ";");
635                } catch (SQLException e) {
636                    // Shouldn't be needed unless we're debugging and interrupt the process
637                    Log.w(TAG, "Exception upgrading EmailProvider.db from 11 to 12 " + e);
638                }
639                oldVersion = 12;
640            }
641            if (oldVersion == 12) {
642                try {
643                    db.execSQL("alter table " + Mailbox.TABLE_NAME
644                            + " add column " + Mailbox.MESSAGE_COUNT
645                                    +" integer not null default 0" + ";");
646                    recalculateMessageCount(db);
647                } catch (SQLException e) {
648                    // Shouldn't be needed unless we're debugging and interrupt the process
649                    Log.w(TAG, "Exception upgrading EmailProvider.db from 12 to 13 " + e);
650                }
651                oldVersion = 13;
652            }
653            if (oldVersion == 13) {
654                try {
655                    db.execSQL("alter table " + Message.TABLE_NAME
656                            + " add column " + Message.SNIPPET
657                                    +" text" + ";");
658                } catch (SQLException e) {
659                    // Shouldn't be needed unless we're debugging and interrupt the process
660                    Log.w(TAG, "Exception upgrading EmailProvider.db from 13 to 14 " + e);
661                }
662                oldVersion = 14;
663            }
664            if (oldVersion == 14) {
665                try {
666                    db.execSQL("alter table " + Message.DELETED_TABLE_NAME
667                            + " add column " + Message.SNIPPET +" text" + ";");
668                    db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
669                            + " add column " + Message.SNIPPET +" text" + ";");
670                } catch (SQLException e) {
671                    // Shouldn't be needed unless we're debugging and interrupt the process
672                    Log.w(TAG, "Exception upgrading EmailProvider.db from 14 to 15 " + e);
673                }
674                oldVersion = 15;
675            }
676            if (oldVersion == 15) {
677                try {
678                    db.execSQL("alter table " + Attachment.TABLE_NAME
679                            + " add column " + Attachment.ACCOUNT_KEY +" integer" + ";");
680                    // Update all existing attachments to add the accountKey data
681                    db.execSQL("update " + Attachment.TABLE_NAME + " set " +
682                            Attachment.ACCOUNT_KEY + "= (SELECT " + Message.TABLE_NAME + "." +
683                            Message.ACCOUNT_KEY + " from " + Message.TABLE_NAME + " where " +
684                            Message.TABLE_NAME + "." + Message.RECORD_ID + " = " +
685                            Attachment.TABLE_NAME + "." + Attachment.MESSAGE_KEY + ")");
686                } catch (SQLException e) {
687                    // Shouldn't be needed unless we're debugging and interrupt the process
688                    Log.w(TAG, "Exception upgrading EmailProvider.db from 15 to 16 " + e);
689                }
690                oldVersion = 16;
691            }
692            if (oldVersion == 16) {
693                try {
694                    db.execSQL("alter table " + Mailbox.TABLE_NAME
695                            + " add column " + Mailbox.PARENT_KEY + " integer;");
696                } catch (SQLException e) {
697                    // Shouldn't be needed unless we're debugging and interrupt the process
698                    Log.w(TAG, "Exception upgrading EmailProvider.db from 16 to 17 " + e);
699                }
700                oldVersion = 17;
701            }
702            if (oldVersion == 17) {
703                upgradeFromVersion17ToVersion18(db);
704                oldVersion = 18;
705            }
706            if (oldVersion == 18) {
707                try {
708                    db.execSQL("alter table " + Account.TABLE_NAME
709                            + " add column " + Account.POLICY_KEY + " integer;");
710                    db.execSQL("drop trigger account_delete;");
711                    db.execSQL(TRIGGER_ACCOUNT_DELETE);
712                    createPolicyTable(db);
713                    convertPolicyFlagsToPolicyTable(db);
714                } catch (SQLException e) {
715                    // Shouldn't be needed unless we're debugging and interrupt the process
716                    Log.w(TAG, "Exception upgrading EmailProvider.db from 18 to 19 " + e);
717                }
718                oldVersion = 19;
719            }
720            if (oldVersion == 19) {
721                try {
722                    db.execSQL("alter table " + Policy.TABLE_NAME
723                            + " add column " + PolicyColumns.REQUIRE_MANUAL_SYNC_WHEN_ROAMING +
724                            " integer;");
725                    db.execSQL("alter table " + Policy.TABLE_NAME
726                            + " add column " + PolicyColumns.DONT_ALLOW_CAMERA + " integer;");
727                    db.execSQL("alter table " + Policy.TABLE_NAME
728                            + " add column " + PolicyColumns.DONT_ALLOW_ATTACHMENTS + " integer;");
729                    db.execSQL("alter table " + Policy.TABLE_NAME
730                            + " add column " + PolicyColumns.DONT_ALLOW_HTML + " integer;");
731                    db.execSQL("alter table " + Policy.TABLE_NAME
732                            + " add column " + PolicyColumns.MAX_ATTACHMENT_SIZE + " integer;");
733                    db.execSQL("alter table " + Policy.TABLE_NAME
734                            + " add column " + PolicyColumns.MAX_TEXT_TRUNCATION_SIZE +
735                            " integer;");
736                    db.execSQL("alter table " + Policy.TABLE_NAME
737                            + " add column " + PolicyColumns.MAX_HTML_TRUNCATION_SIZE +
738                            " integer;");
739                    db.execSQL("alter table " + Policy.TABLE_NAME
740                            + " add column " + PolicyColumns.MAX_EMAIL_LOOKBACK + " integer;");
741                    db.execSQL("alter table " + Policy.TABLE_NAME
742                            + " add column " + PolicyColumns.MAX_CALENDAR_LOOKBACK + " integer;");
743                    db.execSQL("alter table " + Policy.TABLE_NAME
744                            + " add column " + PolicyColumns.PASSWORD_RECOVERY_ENABLED +
745                            " integer;");
746                } catch (SQLException e) {
747                    // Shouldn't be needed unless we're debugging and interrupt the process
748                    Log.w(TAG, "Exception upgrading EmailProvider.db from 19 to 20 " + e);
749                }
750                oldVersion = 20;
751            }
752            if (oldVersion == 20) {
753                oldVersion = 21;
754            }
755            if (oldVersion == 21) {
756                upgradeFromVersion21ToVersion22(db, mContext);
757                oldVersion = 22;
758            }
759            if (oldVersion == 22) {
760                upgradeFromVersion22ToVersion23(db);
761                oldVersion = 23;
762            }
763            if (oldVersion == 23) {
764                upgradeFromVersion23ToVersion24(db);
765                oldVersion = 24;
766            }
767            if (oldVersion == 24) {
768                upgradeFromVersion24ToVersion25(db);
769                oldVersion = 25;
770            }
771            if (oldVersion == 25) {
772                upgradeFromVersion25ToVersion26(db);
773                oldVersion = 26;
774            }
775            if (oldVersion == 26) {
776                try {
777                    db.execSQL("alter table " + Message.TABLE_NAME
778                            + " add column " + Message.PROTOCOL_SEARCH_INFO + " text;");
779                    db.execSQL("alter table " + Message.DELETED_TABLE_NAME
780                            + " add column " + Message.PROTOCOL_SEARCH_INFO +" text" + ";");
781                    db.execSQL("alter table " + Message.UPDATED_TABLE_NAME
782                            + " add column " + Message.PROTOCOL_SEARCH_INFO +" text" + ";");
783                } catch (SQLException e) {
784                    // Shouldn't be needed unless we're debugging and interrupt the process
785                    Log.w(TAG, "Exception upgrading EmailProvider.db from 26 to 27 " + e);
786                }
787                oldVersion = 27;
788            }
789            if (oldVersion == 27) {
790                oldVersion = 28;
791            }
792            if (oldVersion == 28) {
793                try {
794                    db.execSQL("alter table " + Policy.TABLE_NAME
795                            + " add column " + Policy.PROTOCOL_POLICIES_ENFORCED + " text;");
796                    db.execSQL("alter table " + Policy.TABLE_NAME
797                            + " add column " + Policy.PROTOCOL_POLICIES_UNSUPPORTED + " text;");
798                } catch (SQLException e) {
799                    // Shouldn't be needed unless we're debugging and interrupt the process
800                    Log.w(TAG, "Exception upgrading EmailProvider.db from 28 to 29 " + e);
801                }
802                oldVersion = 29;
803            }
804            if (oldVersion == 29) {
805                upgradeFromVersion29ToVersion30(db);
806                oldVersion = 30;
807            }
808            if (oldVersion == 30) {
809                try {
810                    db.execSQL("alter table " + Mailbox.TABLE_NAME
811                            + " add column " + Mailbox.UI_SYNC_STATUS + " integer;");
812                    db.execSQL("alter table " + Mailbox.TABLE_NAME
813                            + " add column " + Mailbox.UI_LAST_SYNC_RESULT + " integer;");
814                } catch (SQLException e) {
815                    // Shouldn't be needed unless we're debugging and interrupt the process
816                    Log.w(TAG, "Exception upgrading EmailProvider.db from 30 to 31 " + e);
817                }
818                oldVersion = 31;
819            }
820            if (oldVersion == 31) {
821                try {
822                    db.execSQL("alter table " + Mailbox.TABLE_NAME
823                            + " add column " + Mailbox.LAST_NOTIFIED_MESSAGE_KEY + " integer;");
824                    db.execSQL("alter table " + Mailbox.TABLE_NAME
825                            + " add column " + Mailbox.LAST_NOTIFIED_MESSAGE_COUNT + " integer;");
826                    db.execSQL("update Mailbox set " + Mailbox.LAST_NOTIFIED_MESSAGE_KEY +
827                            "=0 where " + Mailbox.LAST_NOTIFIED_MESSAGE_KEY + " IS NULL");
828                    db.execSQL("update Mailbox set " + Mailbox.LAST_NOTIFIED_MESSAGE_COUNT +
829                            "=0 where " + Mailbox.LAST_NOTIFIED_MESSAGE_COUNT + " IS NULL");
830                } catch (SQLException e) {
831                    // Shouldn't be needed unless we're debugging and interrupt the process
832                    Log.w(TAG, "Exception upgrading EmailProvider.db from 31 to 32 " + e);
833                }
834                oldVersion = 32;
835            }
836            if (oldVersion == 32) {
837                try {
838                    db.execSQL("alter table " + Attachment.TABLE_NAME
839                            + " add column " + Attachment.UI_STATE + " integer;");
840                    db.execSQL("alter table " + Attachment.TABLE_NAME
841                            + " add column " + Attachment.UI_DESTINATION + " integer;");
842                    db.execSQL("alter table " + Attachment.TABLE_NAME
843                            + " add column " + Attachment.UI_DOWNLOADED_SIZE + " integer;");
844                    // If we have a contentUri then the attachment is saved
845                    // uiDestination of 0 = "cache", so we don't have to set this
846                    db.execSQL("update " + Attachment.TABLE_NAME + " set " + Attachment.UI_STATE +
847                            "=" + UIProvider.AttachmentState.SAVED + " where " +
848                            AttachmentColumns.CONTENT_URI + " is not null;");
849                } catch (SQLException e) {
850                    // Shouldn't be needed unless we're debugging and interrupt the process
851                    Log.w(TAG, "Exception upgrading EmailProvider.db from 32 to 33 " + e);
852                }
853                oldVersion = 33;
854            }
855        }
856
857        @Override
858        public void onOpen(SQLiteDatabase db) {
859        }
860    }
861
862    @VisibleForTesting
863    @SuppressWarnings("deprecation")
864    static void convertPolicyFlagsToPolicyTable(SQLiteDatabase db) {
865        Cursor c = db.query(Account.TABLE_NAME,
866                new String[] {EmailContent.RECORD_ID /*0*/, AccountColumns.SECURITY_FLAGS /*1*/},
867                AccountColumns.SECURITY_FLAGS + ">0", null, null, null, null);
868        ContentValues cv = new ContentValues();
869        String[] args = new String[1];
870        while (c.moveToNext()) {
871            long securityFlags = c.getLong(1 /*SECURITY_FLAGS*/);
872            Policy policy = LegacyPolicySet.flagsToPolicy(securityFlags);
873            long policyId = db.insert(Policy.TABLE_NAME, null, policy.toContentValues());
874            cv.put(AccountColumns.POLICY_KEY, policyId);
875            cv.putNull(AccountColumns.SECURITY_FLAGS);
876            args[0] = Long.toString(c.getLong(0 /*RECORD_ID*/));
877            db.update(Account.TABLE_NAME, cv, EmailContent.RECORD_ID + "=?", args);
878        }
879    }
880
881    /** Upgrades the database from v17 to v18 */
882    @VisibleForTesting
883    static void upgradeFromVersion17ToVersion18(SQLiteDatabase db) {
884        // Copy the displayName column to the serverId column. In v18 of the database,
885        // we use the serverId for IMAP/POP3 mailboxes instead of overloading the
886        // display name.
887        //
888        // For posterity; this is the command we're executing:
889        //sqlite> UPDATE mailbox SET serverid=displayname WHERE mailbox._id in (
890        //        ...> SELECT mailbox._id FROM mailbox,account,hostauth WHERE
891        //        ...> (mailbox.parentkey isnull OR mailbox.parentkey=0) AND
892        //        ...> mailbox.accountkey=account._id AND
893        //        ...> account.hostauthkeyrecv=hostauth._id AND
894        //        ...> (hostauth.protocol='imap' OR hostauth.protocol='pop3'));
895        try {
896            db.execSQL(
897                    "UPDATE " + Mailbox.TABLE_NAME + " SET "
898                    + MailboxColumns.SERVER_ID + "=" + MailboxColumns.DISPLAY_NAME
899                    + " WHERE "
900                    + Mailbox.TABLE_NAME + "." + MailboxColumns.ID + " IN ( SELECT "
901                    + Mailbox.TABLE_NAME + "." + MailboxColumns.ID + " FROM "
902                    + Mailbox.TABLE_NAME + "," + Account.TABLE_NAME + ","
903                    + HostAuth.TABLE_NAME + " WHERE "
904                    + "("
905                    + Mailbox.TABLE_NAME + "." + MailboxColumns.PARENT_KEY + " isnull OR "
906                    + Mailbox.TABLE_NAME + "." + MailboxColumns.PARENT_KEY + "=0 "
907                    + ") AND "
908                    + Mailbox.TABLE_NAME + "." + MailboxColumns.ACCOUNT_KEY + "="
909                    + Account.TABLE_NAME + "." + AccountColumns.ID + " AND "
910                    + Account.TABLE_NAME + "." + AccountColumns.HOST_AUTH_KEY_RECV + "="
911                    + HostAuth.TABLE_NAME + "." + HostAuthColumns.ID + " AND ( "
912                    + HostAuth.TABLE_NAME + "." + HostAuthColumns.PROTOCOL + "='imap' OR "
913                    + HostAuth.TABLE_NAME + "." + HostAuthColumns.PROTOCOL + "='pop3' ) )");
914        } catch (SQLException e) {
915            // Shouldn't be needed unless we're debugging and interrupt the process
916            Log.w(TAG, "Exception upgrading EmailProvider.db from 17 to 18 " + e);
917        }
918        ContentCache.invalidateAllCaches();
919    }
920
921    /**
922     * Upgrade the database from v21 to v22
923     * This entails creating AccountManager accounts for all pop3 and imap accounts
924     */
925
926    private static final String[] V21_ACCOUNT_PROJECTION =
927        new String[] {AccountColumns.HOST_AUTH_KEY_RECV, AccountColumns.EMAIL_ADDRESS};
928    private static final int V21_ACCOUNT_RECV = 0;
929    private static final int V21_ACCOUNT_EMAIL = 1;
930
931    private static final String[] V21_HOSTAUTH_PROJECTION =
932        new String[] {HostAuthColumns.PROTOCOL, HostAuthColumns.PASSWORD};
933    private static final int V21_HOSTAUTH_PROTOCOL = 0;
934    private static final int V21_HOSTAUTH_PASSWORD = 1;
935
936    static private void createAccountManagerAccount(Context context, String login,
937            String password) {
938        AccountManager accountManager = AccountManager.get(context);
939        android.accounts.Account amAccount =
940            new android.accounts.Account(login, AccountManagerTypes.TYPE_POP_IMAP);
941        accountManager.addAccountExplicitly(amAccount, password, null);
942        ContentResolver.setIsSyncable(amAccount, EmailContent.AUTHORITY, 1);
943        ContentResolver.setSyncAutomatically(amAccount, EmailContent.AUTHORITY, true);
944        ContentResolver.setIsSyncable(amAccount, ContactsContract.AUTHORITY, 0);
945        ContentResolver.setIsSyncable(amAccount, CalendarProviderStub.AUTHORITY, 0);
946    }
947
948    @VisibleForTesting
949    static void upgradeFromVersion21ToVersion22(SQLiteDatabase db, Context accountManagerContext) {
950        try {
951            // Loop through accounts, looking for pop/imap accounts
952            Cursor accountCursor = db.query(Account.TABLE_NAME, V21_ACCOUNT_PROJECTION, null,
953                    null, null, null, null);
954            try {
955                String[] hostAuthArgs = new String[1];
956                while (accountCursor.moveToNext()) {
957                    hostAuthArgs[0] = accountCursor.getString(V21_ACCOUNT_RECV);
958                    // Get the "receive" HostAuth for this account
959                    Cursor hostAuthCursor = db.query(HostAuth.TABLE_NAME,
960                            V21_HOSTAUTH_PROJECTION, HostAuth.RECORD_ID + "=?", hostAuthArgs,
961                            null, null, null);
962                    try {
963                        if (hostAuthCursor.moveToFirst()) {
964                            String protocol = hostAuthCursor.getString(V21_HOSTAUTH_PROTOCOL);
965                            // If this is a pop3 or imap account, create the account manager account
966                            if (HostAuth.SCHEME_IMAP.equals(protocol) ||
967                                    HostAuth.SCHEME_POP3.equals(protocol)) {
968                                if (Email.DEBUG) {
969                                    Log.d(TAG, "Create AccountManager account for " + protocol +
970                                            "account: " +
971                                            accountCursor.getString(V21_ACCOUNT_EMAIL));
972                                }
973                                createAccountManagerAccount(accountManagerContext,
974                                        accountCursor.getString(V21_ACCOUNT_EMAIL),
975                                        hostAuthCursor.getString(V21_HOSTAUTH_PASSWORD));
976                            // If an EAS account, make Email sync automatically (equivalent of
977                            // checking the "Sync Email" box in settings
978                            } else if (HostAuth.SCHEME_EAS.equals(protocol)) {
979                                android.accounts.Account amAccount =
980                                        new android.accounts.Account(
981                                                accountCursor.getString(V21_ACCOUNT_EMAIL),
982                                                AccountManagerTypes.TYPE_EXCHANGE);
983                                ContentResolver.setIsSyncable(amAccount, EmailContent.AUTHORITY, 1);
984                                ContentResolver.setSyncAutomatically(amAccount,
985                                        EmailContent.AUTHORITY, true);
986
987                            }
988                        }
989                    } finally {
990                        hostAuthCursor.close();
991                    }
992                }
993            } finally {
994                accountCursor.close();
995            }
996        } catch (SQLException e) {
997            // Shouldn't be needed unless we're debugging and interrupt the process
998            Log.w(TAG, "Exception upgrading EmailProvider.db from 20 to 21 " + e);
999        }
1000    }
1001
1002    /** Upgrades the database from v22 to v23 */
1003    private static void upgradeFromVersion22ToVersion23(SQLiteDatabase db) {
1004        try {
1005            db.execSQL("alter table " + Mailbox.TABLE_NAME
1006                    + " add column " + Mailbox.LAST_TOUCHED_TIME + " integer default 0;");
1007        } catch (SQLException e) {
1008            // Shouldn't be needed unless we're debugging and interrupt the process
1009            Log.w(TAG, "Exception upgrading EmailProvider.db from 22 to 23 " + e);
1010        }
1011    }
1012
1013    /** Adds in a column for information about a client certificate to use. */
1014    private static void upgradeFromVersion23ToVersion24(SQLiteDatabase db) {
1015        try {
1016            db.execSQL("alter table " + HostAuth.TABLE_NAME
1017                    + " add column " + HostAuth.CLIENT_CERT_ALIAS + " text;");
1018        } catch (SQLException e) {
1019            // Shouldn't be needed unless we're debugging and interrupt the process
1020            Log.w(TAG, "Exception upgrading EmailProvider.db from 23 to 24 " + e);
1021        }
1022    }
1023
1024    /** Upgrades the database from v24 to v25 by creating table for quick responses */
1025    private static void upgradeFromVersion24ToVersion25(SQLiteDatabase db) {
1026        try {
1027            createQuickResponseTable(db);
1028        } catch (SQLException e) {
1029            // Shouldn't be needed unless we're debugging and interrupt the process
1030            Log.w(TAG, "Exception upgrading EmailProvider.db from 24 to 25 " + e);
1031        }
1032    }
1033
1034    private static final String[] V25_ACCOUNT_PROJECTION =
1035        new String[] {AccountColumns.ID, AccountColumns.FLAGS, AccountColumns.HOST_AUTH_KEY_RECV};
1036    private static final int V25_ACCOUNT_ID = 0;
1037    private static final int V25_ACCOUNT_FLAGS = 1;
1038    private static final int V25_ACCOUNT_RECV = 2;
1039
1040    private static final String[] V25_HOSTAUTH_PROJECTION = new String[] {HostAuthColumns.PROTOCOL};
1041    private static final int V25_HOSTAUTH_PROTOCOL = 0;
1042
1043    /** Upgrades the database from v25 to v26 by adding FLAG_SUPPORTS_SEARCH to IMAP accounts */
1044    private static void upgradeFromVersion25ToVersion26(SQLiteDatabase db) {
1045        try {
1046            // Loop through accounts, looking for imap accounts
1047            Cursor accountCursor = db.query(Account.TABLE_NAME, V25_ACCOUNT_PROJECTION, null,
1048                    null, null, null, null);
1049            ContentValues cv = new ContentValues();
1050            try {
1051                String[] hostAuthArgs = new String[1];
1052                while (accountCursor.moveToNext()) {
1053                    hostAuthArgs[0] = accountCursor.getString(V25_ACCOUNT_RECV);
1054                    // Get the "receive" HostAuth for this account
1055                    Cursor hostAuthCursor = db.query(HostAuth.TABLE_NAME,
1056                            V25_HOSTAUTH_PROJECTION, HostAuth.RECORD_ID + "=?", hostAuthArgs,
1057                            null, null, null);
1058                    try {
1059                        if (hostAuthCursor.moveToFirst()) {
1060                            String protocol = hostAuthCursor.getString(V25_HOSTAUTH_PROTOCOL);
1061                            // If this is an imap account, add the search flag
1062                            if (HostAuth.SCHEME_IMAP.equals(protocol)) {
1063                                String id = accountCursor.getString(V25_ACCOUNT_ID);
1064                                int flags = accountCursor.getInt(V25_ACCOUNT_FLAGS);
1065                                cv.put(AccountColumns.FLAGS, flags | Account.FLAGS_SUPPORTS_SEARCH);
1066                                db.update(Account.TABLE_NAME, cv, Account.RECORD_ID + "=?",
1067                                        new String[] {id});
1068                            }
1069                        }
1070                    } finally {
1071                        hostAuthCursor.close();
1072                    }
1073                }
1074            } finally {
1075                accountCursor.close();
1076            }
1077        } catch (SQLException e) {
1078            // Shouldn't be needed unless we're debugging and interrupt the process
1079            Log.w(TAG, "Exception upgrading EmailProvider.db from 25 to 26 " + e);
1080        }
1081    }
1082
1083    /** Upgrades the database from v29 to v30 by updating all address fields in Message */
1084    private static final int[] ADDRESS_COLUMN_INDICES = new int[] {
1085        Message.CONTENT_BCC_LIST_COLUMN, Message.CONTENT_CC_LIST_COLUMN,
1086        Message.CONTENT_FROM_LIST_COLUMN, Message.CONTENT_REPLY_TO_COLUMN,
1087        Message.CONTENT_TO_LIST_COLUMN
1088    };
1089    private static final String[] ADDRESS_COLUMN_NAMES = new String[] {
1090        Message.BCC_LIST, Message.CC_LIST, Message.FROM_LIST, Message.REPLY_TO_LIST, Message.TO_LIST
1091    };
1092
1093    private static void upgradeFromVersion29ToVersion30(SQLiteDatabase db) {
1094        try {
1095            // Loop through all messages, updating address columns to new format (CSV, RFC822)
1096            Cursor messageCursor = db.query(Message.TABLE_NAME, Message.CONTENT_PROJECTION, null,
1097                    null, null, null, null);
1098            ContentValues cv = new ContentValues();
1099            String[] whereArgs = new String[1];
1100            try {
1101                while (messageCursor.moveToNext()) {
1102                    for (int i = 0; i < ADDRESS_COLUMN_INDICES.length; i++) {
1103                        Address[] addrs =
1104                                Address.unpack(messageCursor.getString(ADDRESS_COLUMN_INDICES[i]));
1105                        cv.put(ADDRESS_COLUMN_NAMES[i], Address.pack(addrs));
1106                    }
1107                    whereArgs[0] = messageCursor.getString(Message.CONTENT_ID_COLUMN);
1108                    db.update(Message.TABLE_NAME, cv, WHERE_ID, whereArgs);
1109                }
1110            } finally {
1111                messageCursor.close();
1112            }
1113        } catch (SQLException e) {
1114            // Shouldn't be needed unless we're debugging and interrupt the process
1115            Log.w(TAG, "Exception upgrading EmailProvider.db from 29 to 30 " + e);
1116        }
1117    }
1118
1119}
1120