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EN: Don't create TEK without need

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Marvin W 2020-09-09 00:50:16 +02:00
parent 6ec8332b1e
commit a016feba35
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GPG Key ID: 072E9235DB996F2A
2 changed files with 22 additions and 17 deletions
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7
play-services-core/src/main/kotlin/org/microg/gms/ui/ExposureNotificationsPreferencesFragment.kt
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@ -96,7 +96,12 @@ class ExposureNotificationsPreferencesFragment : PreferenceFragmentCompat() {
} }
} }
collectedRpis.summary = getString(R.string.pref_exposure_collected_rpis_summary, lastHourKeys) collectedRpis.summary = getString(R.string.pref_exposure_collected_rpis_summary, lastHourKeys)
advertisingId.summary = currentId.toString() if (currentId != null) {
advertisingId.isVisible = true
advertisingId.summary = currentId.toString()
} else {
advertisingId.isVisible = false
}
exposureApps.removeAll() exposureApps.removeAll()
if (apps.isEmpty()) { if (apps.isEmpty()) {
exposureApps.addPreference(exposureAppsNone) exposureApps.addPreference(exposureAppsNone)

32
play-services-nearby-core/src/main/kotlin/org/microg/gms/nearby/exposurenotification/ExposureDatabase.kt
View File

@ -499,29 +499,29 @@ class ExposureDatabase private constructor(private val context: Context) : SQLit
} }
} }
private val currentTemporaryExposureKey: TemporaryExposureKey private fun ensureTemporaryExposureKey(): TemporaryExposureKey = writableDatabase.let { database ->
get() = writableDatabase.let { database -> database.beginTransaction()
database.beginTransaction() try {
try { var key = findOwnKeyAt(currentRollingStartNumber.toInt(), database)
var key = findOwnKeyAt(currentRollingStartNumber.toInt(), database) if (key == null) {
if (key == null) { key = generateCurrentTemporaryExposureKey()
key = generateCurrentTemporaryExposureKey() storeOwnKey(key, database)
storeOwnKey(key, database)
}
database.setTransactionSuccessful()
key
} finally {
database.endTransaction()
} }
database.setTransactionSuccessful()
key
} finally {
database.endTransaction()
} }
}
val currentRpiId: UUID val currentRpiId: UUID?
get() { get() {
val buffer = ByteBuffer.wrap(currentTemporaryExposureKey.generateRpiId(currentIntervalNumber.toInt())) val key = findOwnKeyAt(currentRollingStartNumber.toInt()) ?: return null
val buffer = ByteBuffer.wrap(key.generateRpiId(currentIntervalNumber.toInt()))
return UUID(buffer.long, buffer.long) return UUID(buffer.long, buffer.long)
} }
fun generateCurrentPayload(metadata: ByteArray) = currentTemporaryExposureKey.generatePayload(currentIntervalNumber.toInt(), metadata) fun generateCurrentPayload(metadata: ByteArray) = ensureTemporaryExposureKey().generatePayload(currentIntervalNumber.toInt(), metadata)
override fun getWritableDatabase(): SQLiteDatabase { override fun getWritableDatabase(): SQLiteDatabase {
if (this != instance) { if (this != instance) {