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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.adservices.data.measurement.migration;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import com.android.adservices.LogUtil;
import com.android.adservices.data.measurement.MeasurementTables;
import com.android.adservices.service.measurement.util.BaseUriExtractor;
import com.android.adservices.service.measurement.util.Web;
import java.util.Optional;
/** Migrates Measurement DB from user version 2 to 3. */
public class MeasurementDbMigratorV3 extends AbstractMeasurementDbMigrator {
private static final String ANDROID_APP_SCHEME = "android-app";
private static final String EVENT_REPORT_CONTRACT_BACKUP =
MeasurementTables.EventReportContract.TABLE + "_backup";
private static final String AGGREGATE_REPORT_CONTRACT_BACKUP =
MeasurementTables.AggregateReport.TABLE + "_backup";
private static final String ATTRIBUTION_CONTRACT_BACKUP =
MeasurementTables.AttributionContract.TABLE + "_backup";
private static final String ATTRIBUTION_CREATE_INDEX_SS_SO_DS_DO_EI_TT =
"CREATE INDEX "
+ MeasurementTables.INDEX_PREFIX
+ MeasurementTables.AttributionContract.TABLE
+ "_ss_so_ds_do_ei_tt"
+ " ON "
+ MeasurementTables.AttributionContract.TABLE
+ "("
+ MeasurementTables.AttributionContract.SOURCE_SITE
+ ", "
+ MeasurementTables.AttributionContract.SOURCE_ORIGIN
+ ", "
+ MeasurementTables.AttributionContract.DESTINATION_SITE
+ ", "
+ MeasurementTables.AttributionContract.DESTINATION_ORIGIN
+ ", "
+ MeasurementTables.AttributionContract.ENROLLMENT_ID
+ ", "
+ MeasurementTables.AttributionContract.TRIGGER_TIME
+ ")";
private static final String[] ALTER_STATEMENTS_VER_3 = {
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AsyncRegistrationContract.TABLE,
MeasurementTables.AsyncRegistrationContract.DEBUG_KEY_ALLOWED),
String.format(
"ALTER TABLE %1$s ADD %2$s TEXT",
MeasurementTables.AsyncRegistrationContract.TABLE,
MeasurementTables.AsyncRegistrationContract.ENROLLMENT_ID),
String.format(
"ALTER TABLE %1$s " + "RENAME COLUMN %2$s TO %3$s",
MeasurementTables.AsyncRegistrationContract.TABLE,
MeasurementTablesDeprecated.AsyncRegistration.INPUT_EVENT,
MeasurementTables.AsyncRegistrationContract.SOURCE_TYPE),
String.format(
"ALTER TABLE %1$s " + "RENAME COLUMN %2$s TO %3$s",
MeasurementTables.AsyncRegistrationContract.TABLE,
MeasurementTablesDeprecated.AsyncRegistration.REDIRECT,
MeasurementTables.AsyncRegistrationContract.REDIRECT_TYPE),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AsyncRegistrationContract.TABLE,
MeasurementTables.AsyncRegistrationContract.REDIRECT_COUNT),
String.format(
"ALTER TABLE %1$s RENAME COLUMN %2$s TO %3$s",
MeasurementTables.EventReportContract.TABLE,
MeasurementTables.EventReportContract.SOURCE_ID,
MeasurementTables.EventReportContract.SOURCE_EVENT_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.EventReportContract.TABLE,
MeasurementTables.EventReportContract.SOURCE_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.EventReportContract.TABLE,
MeasurementTables.EventReportContract.TRIGGER_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AggregateReport.TABLE,
MeasurementTables.AggregateReport.SOURCE_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AggregateReport.TABLE,
MeasurementTables.AggregateReport.TRIGGER_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AttributionContract.TABLE,
MeasurementTables.AttributionContract.SOURCE_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AttributionContract.TABLE,
MeasurementTables.AttributionContract.TRIGGER_ID),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.EventReportContract.TABLE,
MeasurementTables.EventReportContract.DEBUG_REPORT_STATUS),
String.format(
"ALTER TABLE %1$s ADD %2$s INTEGER",
MeasurementTables.AggregateReport.TABLE,
MeasurementTables.AggregateReport.DEBUG_REPORT_STATUS),
String.format(
"ALTER TABLE %1$s ADD %2$s TEXT",
MeasurementTables.TriggerContract.TABLE,
MeasurementTables.TriggerContract.NOT_FILTERS),
// SQLite does not support ALTER TABLE statement with foreign keys
String.format(
"ALTER TABLE %1$s RENAME TO %2$s",
MeasurementTables.EventReportContract.TABLE, EVENT_REPORT_CONTRACT_BACKUP),
MeasurementTables.CREATE_TABLE_EVENT_REPORT_V3,
String.format(
"INSERT INTO %1$s SELECT * FROM %2$s",
MeasurementTables.EventReportContract.TABLE, EVENT_REPORT_CONTRACT_BACKUP),
String.format("DROP TABLE %1$s", EVENT_REPORT_CONTRACT_BACKUP),
String.format(
"ALTER TABLE %1$s RENAME TO %2$s",
MeasurementTables.AggregateReport.TABLE, AGGREGATE_REPORT_CONTRACT_BACKUP),
MeasurementTables.CREATE_TABLE_AGGREGATE_REPORT_V3,
String.format(
"INSERT INTO %1$s SELECT * FROM %2$s",
MeasurementTables.AggregateReport.TABLE, AGGREGATE_REPORT_CONTRACT_BACKUP),
String.format("DROP TABLE %1$s", AGGREGATE_REPORT_CONTRACT_BACKUP),
String.format(
"ALTER TABLE %1$s RENAME TO %2$s",
MeasurementTables.AttributionContract.TABLE, ATTRIBUTION_CONTRACT_BACKUP),
MeasurementTables.CREATE_TABLE_ATTRIBUTION_V3,
String.format(
"INSERT INTO %1$s SELECT * FROM %2$s",
MeasurementTables.AttributionContract.TABLE, ATTRIBUTION_CONTRACT_BACKUP),
String.format("DROP TABLE %1$s", ATTRIBUTION_CONTRACT_BACKUP),
ATTRIBUTION_CREATE_INDEX_SS_SO_DS_DO_EI_TT
};
public MeasurementDbMigratorV3() {
super(3);
}
@Override
protected void performMigration(SQLiteDatabase db) {
for (String sql : ALTER_STATEMENTS_VER_3) {
db.execSQL(sql);
}
migrateEventReportData(db);
}
private static void migrateEventReportData(SQLiteDatabase db) {
try (Cursor cursor = db.query(
MeasurementTables.EventReportContract.TABLE,
new String[] {
MeasurementTables.EventReportContract.ID,
MeasurementTables.EventReportContract.ATTRIBUTION_DESTINATION
},
null, null, null, null, null, null)) {
while (cursor.moveToNext()) {
updateEventReport(db, cursor);
}
}
}
private static void updateEventReport(SQLiteDatabase db, Cursor cursor) {
String id = cursor.getString(cursor.getColumnIndex(
MeasurementTables.EventReportContract.ID));
String destination = cursor.getString(cursor.getColumnIndex(
MeasurementTables.EventReportContract.ATTRIBUTION_DESTINATION));
Optional<String> baseUri = extractBaseUri(destination);
if (baseUri.isPresent()) {
ContentValues values = new ContentValues();
values.put(MeasurementTables.EventReportContract.ATTRIBUTION_DESTINATION,
baseUri.get());
long rowCount = db.update(
MeasurementTables.EventReportContract.TABLE,
values,
MeasurementTables.EventReportContract.ID + " = ?",
new String[]{id});
if (rowCount != 1) {
LogUtil.d("MeasurementDbMigratorV3: failed to update event report record.");
}
} else {
LogUtil.d("MeasurementDbMigratorV3: baseUri not present. %s", destination);
}
}
private static Optional<String> extractBaseUri(String destination) {
if (destination == null) {
return Optional.empty();
}
Uri uri = Uri.parse(destination);
if (uri.getScheme() == null || !uri.isHierarchical() || !uri.isAbsolute()) {
return Optional.empty();
}
if (uri.getScheme().equals(ANDROID_APP_SCHEME)) {
return Optional.of(BaseUriExtractor.getBaseUri(uri).toString());
}
Optional<Uri> topPrivateDomainAndScheme = Web.topPrivateDomainAndScheme(uri);
if (topPrivateDomainAndScheme.isPresent()) {
return Optional.of(topPrivateDomainAndScheme.get().toString());
}
return Optional.empty();
}
}
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