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Autofill: Increase ratio of complete credential saves
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81 changes: 81 additions & 0 deletions
81
...impl/src/main/java/com/duckduckgo/autofill/impl/partialsave/PartialCredentialSaveStore.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Copyright (c) 2024 DuckDuckGo | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.duckduckgo.autofill.impl.partialsave | ||
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| import com.duckduckgo.autofill.impl.partialsave.PartialCredentialSaveStore.PartialSave | ||
| import com.duckduckgo.autofill.impl.time.TimeProvider | ||
| import com.duckduckgo.autofill.impl.urlmatcher.AutofillUrlMatcher | ||
| import com.duckduckgo.common.utils.DispatcherProvider | ||
| import com.duckduckgo.di.scopes.AppScope | ||
| import com.squareup.anvil.annotations.ContributesBinding | ||
| import dagger.SingleInstanceIn | ||
| import java.util.concurrent.TimeUnit | ||
| import javax.inject.Inject | ||
| import kotlinx.coroutines.withContext | ||
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| interface PartialCredentialSaveStore { | ||
| suspend fun saveUsername(url: String, username: String) | ||
| suspend fun consumeUsername(url: String): String? | ||
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| data class PartialSave( | ||
| val username: String, | ||
| val creationTimestamp: Long, | ||
| ) | ||
| } | ||
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| @ContributesBinding(AppScope::class) | ||
| @SingleInstanceIn(AppScope::class) | ||
| class PartialCredentialSaveInMemoryStore @Inject constructor( | ||
| private val urlMatcher: AutofillUrlMatcher, | ||
| private val timeProvider: TimeProvider, | ||
| private val dispatchers: DispatcherProvider, | ||
| ) : PartialCredentialSaveStore { | ||
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| private val map = mutableMapOf<String, PartialSave>() | ||
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| override suspend fun saveUsername( | ||
| url: String, | ||
| username: String, | ||
| ) { | ||
| withContext(dispatchers.io()) { | ||
| val etldPlusOne = urlMatcher.extractUrlPartsForAutofill(url).eTldPlus1 ?: return@withContext | ||
| map[etldPlusOne] = PartialSave(username = username, creationTimestamp = timeProvider.currentTimeMillis()) | ||
| } | ||
| } | ||
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| override suspend fun consumeUsername(url: String): String? { | ||
| return withContext(dispatchers.io()) { | ||
| removeExpiredEntries() | ||
| val etldPlusOne = urlMatcher.extractUrlPartsForAutofill(url).eTldPlus1 | ||
| map[etldPlusOne]?.username?.also { | ||
| map.remove(etldPlusOne) | ||
| } | ||
| } | ||
| } | ||
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| private fun removeExpiredEntries() { | ||
| map.entries.removeIf { it.value.isExpired() } | ||
| } | ||
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| private fun PartialSave.isExpired(): Boolean { | ||
| return (timeProvider.currentTimeMillis() - creationTimestamp) > MAX_VALIDITY_MS | ||
| } | ||
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| companion object { | ||
| val MAX_VALIDITY_MS = TimeUnit.MINUTES.toMillis(3) | ||
| } | ||
| } |
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