EN: Clear matching cache to ensure we don't miss any warnings due to changed bluetooth protocol (e84452ae) · Commits · e / os / GmsCore

play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt

+16 −8

Original line number	Diff line number	Diff line
		@@ -63,10 +63,6 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
		db.execSQL("CREATE TABLE $TABLE_APP_PERMS(package TEXT NOT NULL, sig TEXT NOT NULL, perm TEXT NOT NULL, timestamp INTEGER NOT NULL);")
		}
		if (oldVersion < 5) {
		Log.d(TAG, "Dropping legacy tables")
		db.execSQL("DROP TABLE IF EXISTS $TABLE_CONFIGURATIONS;")
		db.execSQL("DROP TABLE IF EXISTS $TABLE_DIAGNOSIS;")
		db.execSQL("DROP TABLE IF EXISTS $TABLE_TEK_CHECK;")
		Log.d(TAG, "Creating tables for version >= 3")
		db.execSQL("CREATE TABLE IF NOT EXISTS $TABLE_TOKENS(tid INTEGER PRIMARY KEY, package TEXT NOT NULL, token TEXT NOT NULL, timestamp INTEGER NOT NULL, configuration BLOB, diagnosisKeysDataMap BLOB);")
		db.execSQL("CREATE UNIQUE INDEX IF NOT EXISTS index_${TABLE_TOKENS}_package_token ON $TABLE_TOKENS(package, token);")
		@@ -82,14 +78,26 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
		db.execSQL("CREATE INDEX IF NOT EXISTS index_${TABLE_TEK_CHECK_FILE_MATCH}_tcfid ON $TABLE_TEK_CHECK_FILE_MATCH(tcfid);")
		db.execSQL("CREATE INDEX IF NOT EXISTS index_${TABLE_TEK_CHECK_FILE_MATCH}_key ON $TABLE_TEK_CHECK_FILE_MATCH(keyData, rollingStartNumber, rollingPeriod);")
		}
		if (oldVersion < 6) {
		Log.d(TAG, "Fixing invalid rssi values from previous database version")
		if (oldVersion in 5 until 7) {
		Log.d(TAG, "Altering tables for version >= 7")
		db.execSQL("ALTER TABLE $TABLE_TOKENS ADD COLUMN diagnosisKeysDataMap BLOB;")
		}
		if (oldVersion in 1 until 5) {
		Log.d(TAG, "Dropping legacy tables from version < 5")
		db.execSQL("DROP TABLE IF EXISTS $TABLE_CONFIGURATIONS;")
		db.execSQL("DROP TABLE IF EXISTS $TABLE_DIAGNOSIS;")
		db.execSQL("DROP TABLE IF EXISTS $TABLE_TEK_CHECK;")
		}
		if (oldVersion in 1 until 6) {
		Log.d(TAG, "Fixing invalid rssi values from version < 6")
		// There's no bluetooth chip with a sensitivity that would result in rssi -200, so this would be invalid.
		// RSSI of -100 is already extremely low and thus is a good "default" value
		db.execSQL("UPDATE $TABLE_ADVERTISEMENTS SET rssi = -100 WHERE rssi < -200;")
		}
		if (oldVersion in 5 until 7) {
		db.execSQL("ALTER TABLE $TABLE_TOKENS ADD COLUMN diagnosisKeysDataMap BLOB;")
		Log.d(TAG, "Clearing non-matching tek cache from version < 7")
		// Entries might be invalid due to previously missing support for new bluetooth AEM format
		db.execSQL("DELETE FROM $TABLE_TEK_CHECK_FILE WHERE tcfid NOT IN (SELECT tcfid FROM $TABLE_TEK_CHECK_FILE_MATCH);")
		}
		Log.d(TAG, "Finished database upgrade")
		}
		@@ -755,7 +763,7 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit

		companion object {
		private const val DB_NAME = "exposure.db"
		private const val DB_VERSION = 7
		private const val DB_VERSION = 8
		private const val DB_SIZE_TOO_LARGE = 256L * 1024 * 1024
		private const val MAX_DELETE_TIME = 5000L
		private const val TABLE_ADVERTISEMENTS = "advertisements"