88 lines
2.4 KiB
Kotlin
88 lines
2.4 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.exceptions
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import android.content.Context
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import android.content.SharedPreferences
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import mozilla.components.support.ktx.android.content.PreferencesHolder
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import mozilla.components.support.ktx.android.content.stringPreference
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import org.mozilla.fenix.components.metrics.Event
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import org.mozilla.fenix.ext.metrics
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/**
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* Contains functionality to manage custom domains for allow-list.
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*/
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class ExceptionDomains(val context: Context) : PreferencesHolder {
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override val preferences: SharedPreferences =
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context.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE)
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private var domains by stringPreference(KEY_DOMAINS, default = "")
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/**
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* Loads the previously added/saved custom domains from preferences.
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*
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* @return list of custom domains
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*/
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fun load(): List<String> {
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if (exceptions == null) {
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exceptions = domains.split(SEPARATOR).filter { it.isNotEmpty() }
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}
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return exceptions.orEmpty()
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}
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/**
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* Saves the provided domains to preferences.
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*
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* @param domains list of domains
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*/
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fun save(domains: List<String>) {
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exceptions = domains
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this.domains = domains.joinToString(separator = SEPARATOR)
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}
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/**
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* Adds the provided domain to preferences.
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*
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* @param domain the domain to add
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*/
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fun add(domain: String) {
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save(domains = load() + domain)
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}
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/**
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* Removes the provided domain from preferences.
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*
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* @param domains the domain to remove
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*/
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fun remove(domains: List<String>) {
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save(domains = load() - domains)
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}
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/**
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* Adds or removes the provided domain from preferences.
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*
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* If present, the domain will be removed. Otherwise, it will be added.
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*/
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fun toggle(domain: String) {
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if (domain in load()) {
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remove(listOf(domain))
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} else {
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context.metrics.track(Event.TrackingProtectionException)
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add(domain)
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}
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}
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companion object {
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private const val PREFERENCE_NAME = "exceptions"
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private const val KEY_DOMAINS = "exceptions_domains"
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private const val SEPARATOR = "@<;>@"
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private var exceptions: List<String>? = null
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}
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}
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