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/*
* Copyright (C) 2023 MURENA SAS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package foundation.e.advancedprivacy.domain.usecases
import foundation.e.advancedprivacy.data.repositories.AppListsRepository
import foundation.e.advancedprivacy.domain.entities.ApplicationDescription
import foundation.e.advancedprivacy.trackers.data.StatsDatabase
import foundation.e.advancedprivacy.trackers.data.TrackersRepository
import foundation.e.advancedprivacy.trackers.data.WhitelistRepository
import foundation.e.advancedprivacy.trackers.domain.entities.Tracker
import foundation.e.advancedprivacy.trackers.domain.usecases.FilterHostnameUseCase
class AppTrackersUseCase(
private val whitelistRepository: WhitelistRepository,
private val trackersStateUseCase: TrackersStateUseCase,
private val appListsRepository: AppListsRepository,
private val statsDatabase: StatsDatabase,
private val trackersRepository: TrackersRepository,
private val filterHostnameUseCase: FilterHostnameUseCase,
) {
suspend fun toggleAppWhitelist(app: ApplicationDescription, isBlocked: Boolean) {
appListsRepository.applyForHiddenApps(app) {
whitelistRepository.setWhiteListed(it.apId, !isBlocked)
val trackerIds = statsDatabase.getTrackerIds(listOf(app.apId))
whitelistRepository.setWhitelistedTrackersForApp(it.apId, trackerIds, !isBlocked)
}
trackersStateUseCase.updateAllTrackersBlockedState()
}
suspend fun clearWhitelist(app: ApplicationDescription) {
appListsRepository.applyForHiddenApps(
app
) {
whitelistRepository.clearWhiteList(it.apId)
}
trackersStateUseCase.updateAllTrackersBlockedState()
}
suspend fun getCalls(app: ApplicationDescription): Pair<Int, Int> {
return appListsRepository.mapReduceForHiddenApps(
app = app,
map = {
statsDatabase.getCallsForApp(app.apId)
},
reduce = { zip ->
zip.unzip().let { (blocked, leaked) ->
blocked.sum() to leaked.sum()
}
}
)
}
suspend fun getTrackersWithBlockedList(app: ApplicationDescription): List<Pair<Tracker, Boolean>> {
val realApIds = appListsRepository.getRealApps(app).map { it.apId }
val trackers = statsDatabase.getTrackerIds(realApIds)
.mapNotNull { trackersRepository.getTracker(it) }
return enrichWithBlockedState(app, trackers)
}
suspend fun enrichWithBlockedState(app: ApplicationDescription, trackers: List<Tracker>): List<Pair<Tracker, Boolean>> {
val realAppUids = appListsRepository.getRealApps(app).map { it.uid }
return trackers.map { tracker ->
tracker to !realAppUids.any { uid ->
filterHostnameUseCase.isWhitelisted(uid, tracker.id)
}
}.sortedBy { it.first.label.lowercase() }
}
}
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