1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* Copyright (C) 2023 MURENA SAS
* Copyright (C) 2021 E FOUNDATION
*
* 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.features.trackers.apptrackers
import android.net.Uri
import androidx.annotation.StringRes
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import foundation.e.advancedprivacy.domain.entities.ApplicationDescription
import foundation.e.advancedprivacy.domain.entities.TrackerMode
import foundation.e.advancedprivacy.domain.usecases.GetQuickPrivacyStateUseCase
import foundation.e.advancedprivacy.domain.usecases.TrackersStateUseCase
import foundation.e.advancedprivacy.domain.usecases.TrackersStatisticsUseCase
import foundation.e.advancedprivacy.trackers.domain.entities.Tracker
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asSharedFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.map
import kotlinx.coroutines.flow.merge
import kotlinx.coroutines.flow.update
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
class AppTrackersViewModel(
private val app: ApplicationDescription,
private val trackersStateUseCase: TrackersStateUseCase,
private val trackersStatisticsUseCase: TrackersStatisticsUseCase,
private val getQuickPrivacyStateUseCase: GetQuickPrivacyStateUseCase
) : ViewModel() {
companion object {
private const val exodusBaseUrl = "https://reports.exodus-privacy.eu.org/trackers/"
}
private val _state = MutableStateFlow(AppTrackersState())
val state = _state.asStateFlow()
private val _singleEvents = MutableSharedFlow<SingleEvent>()
val singleEvents = _singleEvents.asSharedFlow()
init {
viewModelScope.launch(Dispatchers.IO) {
_state.update {
it.copy(
appDesc = app,
isBlockingActivated = !trackersStateUseCase.isWhitelisted(app),
trackersWithWhiteList = trackersStatisticsUseCase.getTrackersWithWhiteList(
app
),
isWhitelistEmpty = trackersStatisticsUseCase.isWhiteListEmpty(app)
)
}
}
}
suspend fun doOnStartedState() = withContext(Dispatchers.IO) {
merge(
getQuickPrivacyStateUseCase.trackerMode.map {
_state.update { s -> s.copy(isTrackersBlockingEnabled = it != TrackerMode.VULNERABLE) }
},
trackersStatisticsUseCase.listenUpdates().map { fetchStatistics() }
).collect { }
}
fun submitAction(action: Action) = viewModelScope.launch {
when (action) {
is Action.BlockAllToggleAction -> blockAllToggleAction(action)
is Action.ToggleTrackerAction -> toggleTrackerAction(action)
is Action.ClickTracker -> actionClickTracker(action)
is Action.ResetAllTrackers -> resetAllTrackers()
}
}
private suspend fun blockAllToggleAction(action: Action.BlockAllToggleAction) {
withContext(Dispatchers.IO) {
if (!state.value.isTrackersBlockingEnabled) {
_singleEvents.emit(SingleEvent.ToastTrackersControlDisabled)
}
trackersStateUseCase.toggleAppWhitelist(app, !action.isBlocked)
_state.update {
it.copy(
isBlockingActivated = !trackersStateUseCase.isWhitelisted(app)
)
}
}
}
private suspend fun toggleTrackerAction(action: Action.ToggleTrackerAction) {
withContext(Dispatchers.IO) {
if (!state.value.isTrackersBlockingEnabled) {
_singleEvents.emit(SingleEvent.ToastTrackersControlDisabled)
}
if (state.value.isBlockingActivated) {
trackersStateUseCase.blockTracker(app, action.tracker, action.isBlocked)
updateWhitelist()
}
}
}
private suspend fun actionClickTracker(action: Action.ClickTracker) {
withContext(Dispatchers.IO) {
action.tracker.exodusId?.let {
try {
_singleEvents.emit(
SingleEvent.OpenUrl(
Uri.parse(exodusBaseUrl + it)
)
)
} catch (e: Exception) {
}
}
}
}
private suspend fun resetAllTrackers() {
withContext(Dispatchers.IO) {
trackersStateUseCase.clearWhitelist(app)
updateWhitelist()
}
}
private fun fetchStatistics() {
val (blocked, leaked) = trackersStatisticsUseCase.getCalls(app)
return _state.update { s ->
s.copy(
trackersWithWhiteList = trackersStatisticsUseCase.getTrackersWithWhiteList(app),
leaked = leaked,
blocked = blocked,
isWhitelistEmpty = trackersStatisticsUseCase.isWhiteListEmpty(app)
)
}
}
private fun updateWhitelist() {
_state.update { s ->
s.copy(
trackersWithWhiteList = trackersStatisticsUseCase.getTrackersWithWhiteList(app),
isWhitelistEmpty = trackersStatisticsUseCase.isWhiteListEmpty(app)
)
}
}
sealed class SingleEvent {
data class ErrorEvent(@StringRes val errorResId: Int) : SingleEvent()
data class OpenUrl(val url: Uri) : SingleEvent()
object ToastTrackersControlDisabled : SingleEvent()
}
sealed class Action {
data class BlockAllToggleAction(val isBlocked: Boolean) : Action()
data class ToggleTrackerAction(val tracker: Tracker, val isBlocked: Boolean) : Action()
data class ClickTracker(val tracker: Tracker) : Action()
object ResetAllTrackers : Action()
}
}
|
