Refactor package structure (#1233)

* idea: default test runner to Gradle

* Kick off package structure revamp

* Reparent all classes under dev.msfjarvis.aps

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

11 files changed, 0 insertions, 1723 deletions

diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/Api30AutofillResponseBuilder.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/Api30AutofillResponseBuilder.kt
deleted file mode 100644
index a69e51a7..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/Api30AutofillResponseBuilder.kt
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-package com.zeapo.pwdstore.autofill.oreo
-
-import android.content.Context
-import android.content.IntentSender
-import android.os.Build
-import android.service.autofill.Dataset
-import android.service.autofill.FillCallback
-import android.service.autofill.FillResponse
-import android.service.autofill.SaveInfo
-import android.view.inputmethod.InlineSuggestionsRequest
-import android.widget.inline.InlinePresentationSpec
-import androidx.annotation.RequiresApi
-import com.github.ajalt.timberkt.e
-import com.github.androidpasswordstore.autofillparser.AutofillAction
-import com.github.androidpasswordstore.autofillparser.FillableForm
-import com.github.androidpasswordstore.autofillparser.fillWith
-import com.github.michaelbull.result.fold
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillDecryptActivity
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillFilterView
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillPublisherChangedActivity
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillSaveActivity
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillSmsActivity
-import java.io.File
-
-/**
- * Implements [AutofillResponseBuilder]'s methods for API 30 and above
- */
-@RequiresApi(Build.VERSION_CODES.R)
-class Api30AutofillResponseBuilder(form: FillableForm) {
-
-    private val formOrigin = form.formOrigin
-    private val scenario = form.scenario
-    private val ignoredIds = form.ignoredIds
-    private val saveFlags = form.saveFlags
-    private val clientState = form.toClientState()
-
-    // We do not offer save when the only relevant field is a username field or there is no field.
-    private val scenarioSupportsSave = scenario.hasPasswordFieldsToSave
-    private val canBeSaved = saveFlags != null && scenarioSupportsSave
-
-    private fun makeIntentDataset(
-        context: Context,
-        action: AutofillAction,
-        intentSender: IntentSender,
-        metadata: DatasetMetadata,
-        imeSpec: InlinePresentationSpec?,
-    ): Dataset {
-        return Dataset.Builder(makeRemoteView(context, metadata)).run {
-            fillWith(scenario, action, credentials = null)
-            setAuthentication(intentSender)
-            if (imeSpec != null) {
-                val inlinePresentation = makeInlinePresentation(context, imeSpec, metadata)
-                if (inlinePresentation != null) {
-                    setInlinePresentation(inlinePresentation)
-                }
-            }
-            build()
-        }
-    }
-
-    private fun makeMatchDataset(context: Context, file: File, imeSpec: InlinePresentationSpec?): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.Match)) return null
-        val metadata = makeFillMatchMetadata(context, file)
-        val intentSender = AutofillDecryptActivity.makeDecryptFileIntentSender(file, context)
-        return makeIntentDataset(context, AutofillAction.Match, intentSender, metadata, imeSpec)
-    }
-
-    private fun makeSearchDataset(context: Context, imeSpec: InlinePresentationSpec?): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.Search)) return null
-        val metadata = makeSearchAndFillMetadata(context)
-        val intentSender =
-            AutofillFilterView.makeMatchAndDecryptFileIntentSender(context, formOrigin)
-        return makeIntentDataset(context, AutofillAction.Search, intentSender, metadata, imeSpec)
-    }
-
-    private fun makeGenerateDataset(context: Context, imeSpec: InlinePresentationSpec?): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.Generate)) return null
-        val metadata = makeGenerateAndFillMetadata(context)
-        val intentSender = AutofillSaveActivity.makeSaveIntentSender(context, null, formOrigin)
-        return makeIntentDataset(context, AutofillAction.Generate, intentSender, metadata, imeSpec)
-    }
-
-
-    private fun makeFillOtpFromSmsDataset(context: Context, imeSpec: InlinePresentationSpec?): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.FillOtpFromSms)) return null
-        if (!AutofillSmsActivity.shouldOfferFillFromSms(context)) return null
-        val metadata = makeFillOtpFromSmsMetadata(context)
-        val intentSender = AutofillSmsActivity.makeFillOtpFromSmsIntentSender(context)
-        return makeIntentDataset(context, AutofillAction.FillOtpFromSms, intentSender, metadata, imeSpec)
-    }
-
-    private fun makePublisherChangedDataset(
-        context: Context,
-        publisherChangedException: AutofillPublisherChangedException,
-        imeSpec: InlinePresentationSpec?
-    ): Dataset {
-        val metadata = makeWarningMetadata(context)
-        // If the user decides to trust the new publisher, they can choose reset the list of
-        // matches. In this case we need to immediately show a new `FillResponse` as if the app were
-        // autofilled for the first time. This `FillResponse` needs to be returned as a result from
-        // `AutofillPublisherChangedActivity`, which is why we create and pass it on here.
-        val fillResponseAfterReset = makeFillResponse(context, null, emptyList())
-        val intentSender = AutofillPublisherChangedActivity.makePublisherChangedIntentSender(
-            context, publisherChangedException, fillResponseAfterReset
-        )
-        return makeIntentDataset(context, AutofillAction.Match, intentSender, metadata, imeSpec)
-    }
-
-    private fun makePublisherChangedResponse(
-        context: Context,
-        inlineSuggestionsRequest: InlineSuggestionsRequest?,
-        publisherChangedException: AutofillPublisherChangedException
-    ): FillResponse {
-        val imeSpec = inlineSuggestionsRequest?.inlinePresentationSpecs?.firstOrNull()
-        return FillResponse.Builder().run {
-            addDataset(makePublisherChangedDataset(context, publisherChangedException, imeSpec))
-            setIgnoredIds(*ignoredIds.toTypedArray())
-            build()
-        }
-    }
-
-    private fun makeFillResponse(context: Context, inlineSuggestionsRequest: InlineSuggestionsRequest?, matchedFiles: List<File>): FillResponse? {
-        var datasetCount = 0
-        val imeSpecs = inlineSuggestionsRequest?.inlinePresentationSpecs ?: emptyList()
-        return FillResponse.Builder().run {
-            for (file in matchedFiles) {
-                makeMatchDataset(context, file, imeSpecs.getOrNull(datasetCount))?.let {
-                    datasetCount++
-                    addDataset(it)
-                }
-            }
-            makeSearchDataset(context, imeSpecs.getOrNull(datasetCount))?.let {
-                datasetCount++
-                addDataset(it)
-            }
-            makeGenerateDataset(context, imeSpecs.getOrNull(datasetCount))?.let {
-                datasetCount++
-                addDataset(it)
-            }
-            makeFillOtpFromSmsDataset(context, imeSpecs.getOrNull(datasetCount))?.let {
-                datasetCount++
-                addDataset(it)
-            }
-            if (datasetCount == 0) return null
-            setHeader(makeRemoteView(context, makeHeaderMetadata(formOrigin.getPrettyIdentifier(context, untrusted = true))))
-            makeSaveInfo()?.let { setSaveInfo(it) }
-            setClientState(clientState)
-            setIgnoredIds(*ignoredIds.toTypedArray())
-            build()
-        }
-    }
-
-    // TODO: Support multi-step authentication flows in apps via FLAG_DELAY_SAVE
-    // See: https://developer.android.com/reference/android/service/autofill/SaveInfo#FLAG_DELAY_SAVE
-    private fun makeSaveInfo(): SaveInfo? {
-        if (!canBeSaved) return null
-        check(saveFlags != null)
-        val idsToSave = scenario.fieldsToSave.toTypedArray()
-        if (idsToSave.isEmpty()) return null
-        var saveDataTypes = SaveInfo.SAVE_DATA_TYPE_PASSWORD
-        if (scenario.hasUsername) {
-            saveDataTypes = saveDataTypes or SaveInfo.SAVE_DATA_TYPE_USERNAME
-        }
-        return SaveInfo.Builder(saveDataTypes, idsToSave).run {
-            setFlags(saveFlags)
-            build()
-        }
-    }
-
-    /**
-     * Creates and returns a suitable [FillResponse] to the Autofill framework.
-     */
-    fun fillCredentials(context: Context, inlineSuggestionsRequest: InlineSuggestionsRequest?, callback: FillCallback) {
-        AutofillMatcher.getMatchesFor(context, formOrigin).fold(
-            success = { matchedFiles ->
-                callback.onSuccess(makeFillResponse(context, inlineSuggestionsRequest, matchedFiles))
-            },
-            failure = { e ->
-                e(e)
-                callback.onSuccess(makePublisherChangedResponse(context, inlineSuggestionsRequest, e))
-            }
-        )
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillMatcher.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillMatcher.kt
deleted file mode 100644
index 601be34a..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillMatcher.kt
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo
-
-import android.content.Context
-import android.content.SharedPreferences
-import android.widget.Toast
-import androidx.core.content.edit
-import com.github.ajalt.timberkt.Timber.e
-import com.github.ajalt.timberkt.d
-import com.github.ajalt.timberkt.w
-import com.github.michaelbull.result.Err
-import com.github.michaelbull.result.Ok
-import com.github.michaelbull.result.Result
-import com.github.androidpasswordstore.autofillparser.FormOrigin
-import com.github.androidpasswordstore.autofillparser.computeCertificatesHash
-import com.zeapo.pwdstore.R
-import java.io.File
-
-private const val PREFERENCES_AUTOFILL_APP_MATCHES = "oreo_autofill_app_matches"
-private val Context.autofillAppMatches
-    get() = getSharedPreferences(PREFERENCES_AUTOFILL_APP_MATCHES, Context.MODE_PRIVATE)
-
-private const val PREFERENCES_AUTOFILL_WEB_MATCHES = "oreo_autofill_web_matches"
-private val Context.autofillWebMatches
-    get() = getSharedPreferences(PREFERENCES_AUTOFILL_WEB_MATCHES, Context.MODE_PRIVATE)
-
-private fun Context.matchPreferences(formOrigin: FormOrigin): SharedPreferences {
-    return when (formOrigin) {
-        is FormOrigin.App -> autofillAppMatches
-        is FormOrigin.Web -> autofillWebMatches
-    }
-}
-
-class AutofillPublisherChangedException(val formOrigin: FormOrigin) :
-    Exception("The publisher of '${formOrigin.identifier}' changed since an entry was first matched with this app") {
-
-    init {
-        require(formOrigin is FormOrigin.App)
-    }
-}
-
-/**
- * Manages "matches", i.e., associations between apps or websites and Password Store entries.
- */
-class AutofillMatcher {
-
-    companion object {
-
-        private const val MAX_NUM_MATCHES = 10
-
-        private const val PREFERENCE_PREFIX_TOKEN = "token;"
-        private fun tokenKey(formOrigin: FormOrigin.App) =
-            "$PREFERENCE_PREFIX_TOKEN${formOrigin.identifier}"
-
-        private const val PREFERENCE_PREFIX_MATCHES = "matches;"
-        private fun matchesKey(formOrigin: FormOrigin) =
-            "$PREFERENCE_PREFIX_MATCHES${formOrigin.identifier}"
-
-        private fun hasFormOriginHashChanged(context: Context, formOrigin: FormOrigin): Boolean {
-            return when (formOrigin) {
-                is FormOrigin.Web -> false
-                is FormOrigin.App -> {
-                    val packageName = formOrigin.identifier
-                    val certificatesHash = computeCertificatesHash(context, packageName)
-                    val storedCertificatesHash =
-                        context.autofillAppMatches.getString(tokenKey(formOrigin), null)
-                            ?: return false
-                    val hashHasChanged = certificatesHash != storedCertificatesHash
-                    if (hashHasChanged) {
-                        e { "$packageName: stored=$storedCertificatesHash, new=$certificatesHash" }
-                        true
-                    } else {
-                        false
-                    }
-                }
-            }
-        }
-
-        private fun storeFormOriginHash(context: Context, formOrigin: FormOrigin) {
-            if (formOrigin is FormOrigin.App) {
-                val packageName = formOrigin.identifier
-                val certificatesHash = computeCertificatesHash(context, packageName)
-                context.autofillAppMatches.edit {
-                    putString(tokenKey(formOrigin), certificatesHash)
-                }
-            }
-            // We don't need to store a hash for FormOrigin.Web since it can only originate from
-            // browsers we trust to verify the origin.
-        }
-
-        /**
-         * Get all Password Store entries that have already been associated with [formOrigin] by the
-         * user.
-         *
-         * If [formOrigin] represents an app and that app's certificates have changed since the
-         * first time the user associated an entry with it, an [AutofillPublisherChangedException]
-         * will be thrown.
-         */
-        fun getMatchesFor(context: Context, formOrigin: FormOrigin): Result<List<File>, AutofillPublisherChangedException> {
-            if (hasFormOriginHashChanged(context, formOrigin)) {
-                return Err(AutofillPublisherChangedException(formOrigin))
-            }
-            val matchPreferences = context.matchPreferences(formOrigin)
-            val matchedFiles =
-                matchPreferences.getStringSet(matchesKey(formOrigin), emptySet())!!.map { File(it) }
-            return Ok(matchedFiles.filter { it.exists() }.also { validFiles ->
-                matchPreferences.edit {
-                    putStringSet(matchesKey(formOrigin), validFiles.map { it.absolutePath }.toSet())
-                }
-            })
-        }
-
-        fun clearMatchesFor(context: Context, formOrigin: FormOrigin) {
-            context.matchPreferences(formOrigin).edit {
-                remove(matchesKey(formOrigin))
-                if (formOrigin is FormOrigin.App) remove(tokenKey(formOrigin))
-            }
-        }
-
-        /**
-         * Associates the store entry [file] with [formOrigin], such that future Autofill responses
-         * to requests from this app or website offer this entry as a dataset.
-         *
-         * The maximum number of matches is limited by [MAX_NUM_MATCHES] since older versions of
-         * Android may crash when too many datasets are offered.
-         */
-        fun addMatchFor(context: Context, formOrigin: FormOrigin, file: File) {
-            if (!file.exists()) return
-            if (hasFormOriginHashChanged(context, formOrigin)) {
-                // This should never happen since we already verified the publisher in
-                // getMatchesFor.
-                e { "App publisher changed between getMatchesFor and addMatchFor" }
-                throw AutofillPublisherChangedException(formOrigin)
-            }
-            val matchPreferences = context.matchPreferences(formOrigin)
-            val matchedFiles =
-                matchPreferences.getStringSet(matchesKey(formOrigin), emptySet())!!.map { File(it) }
-            val newFiles = setOf(file.absoluteFile).union(matchedFiles)
-            if (newFiles.size > MAX_NUM_MATCHES) {
-                Toast.makeText(
-                    context,
-                    context.getString(R.string.oreo_autofill_max_matches_reached, MAX_NUM_MATCHES),
-                    Toast.LENGTH_LONG
-                ).show()
-                return
-            }
-            matchPreferences.edit {
-                putStringSet(matchesKey(formOrigin), newFiles.map { it.absolutePath }.toSet())
-            }
-            storeFormOriginHash(context, formOrigin)
-            d { "Stored match for $formOrigin" }
-        }
-
-        /**
-         * Goes through all existing matches and updates their associated entries by using
-         * [moveFromTo] as a lookup table and deleting the matches for files in [delete].
-         */
-        fun updateMatches(context: Context, moveFromTo: Map<File, File> = emptyMap(), delete: Collection<File> = emptyList()) {
-            val deletePathList = delete.map { it.absolutePath }
-            val oldNewPathMap = moveFromTo.mapValues { it.value.absolutePath }
-                .mapKeys { it.key.absolutePath }
-            for (prefs in listOf(context.autofillAppMatches, context.autofillWebMatches)) {
-                for ((key, value) in prefs.all) {
-                    if (!key.startsWith(PREFERENCE_PREFIX_MATCHES)) continue
-                    // We know that preferences starting with `PREFERENCE_PREFIX_MATCHES` were
-                    // created with `putStringSet`.
-                    @Suppress("UNCHECKED_CAST")
-                    val oldMatches = value as? Set<String>
-                    if (oldMatches == null) {
-                        w { "Failed to read matches for $key" }
-                        continue
-                    }
-                    // Delete all matches for file locations that are going to be overwritten, then
-                    // transfer matches over to the files at their new locations.
-                    val newMatches =
-                        oldMatches.asSequence()
-                            .minus(deletePathList)
-                            .minus(oldNewPathMap.values)
-                            .map { match ->
-                                val newPath = oldNewPathMap[match] ?: return@map match
-                                d { "Updating match for $key: $match --> $newPath" }
-                                newPath
-                            }.toSet()
-                    if (newMatches != oldMatches)
-                        prefs.edit { putStringSet(key, newMatches) }
-                }
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillPreferences.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillPreferences.kt
deleted file mode 100644
index cc0875f3..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillPreferences.kt
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo
-
-import android.content.Context
-import android.os.Build
-import androidx.annotation.RequiresApi
-import com.github.androidpasswordstore.autofillparser.Credentials
-import com.zeapo.pwdstore.model.PasswordEntry
-import com.zeapo.pwdstore.utils.sharedPrefs
-import java.io.File
-import java.nio.file.Paths
-
-enum class DirectoryStructure(val value: String) {
-    EncryptedUsername("encrypted_username"),
-    FileBased("file"),
-    DirectoryBased("directory");
-
-    /**
-     * Returns the username associated to [file], following the convention of the current
-     * [DirectoryStructure].
-     *
-     * Examples:
-     *   - * --> null (EncryptedUsername)
-     *   - work/example.org/john@doe.org.gpg --> john@doe.org (FileBased)
-     *   - work/example.org/john@doe.org/password.gpg --> john@doe.org (DirectoryBased)
-     *   - Temporary PIN.gpg --> Temporary PIN (DirectoryBased, fallback)
-     */
-    fun getUsernameFor(file: File): String? = when (this) {
-        EncryptedUsername -> null
-        FileBased -> file.nameWithoutExtension
-        DirectoryBased -> file.parentFile?.name ?: file.nameWithoutExtension
-    }
-
-    /**
-     * Returns the origin identifier associated to [file], following the convention of the current
-     * [DirectoryStructure].
-     *
-     * At least one of [DirectoryStructure.getIdentifierFor] and
-     * [DirectoryStructure.getAccountPartFor] will always return a non-null result.
-     *
-     * Examples:
-     *   - work/example.org.gpg --> example.org (EncryptedUsername)
-     *   - work/example.org/john@doe.org.gpg --> example.org (FileBased)
-     *   - example.org.gpg --> example.org (FileBased, fallback)
-     *   - work/example.org/john@doe.org/password.gpg --> example.org (DirectoryBased)
-     *   - Temporary PIN.gpg --> null (DirectoryBased)
-     */
-    fun getIdentifierFor(file: File): String? = when (this) {
-        EncryptedUsername -> file.nameWithoutExtension
-        FileBased -> file.parentFile?.name ?: file.nameWithoutExtension
-        DirectoryBased -> file.parentFile?.parent
-    }
-
-    /**
-     * Returns the path components of [file] until right before the component that contains the
-     * origin identifier according to the current [DirectoryStructure].
-     *
-     * Examples:
-     *   - work/example.org.gpg --> work (EncryptedUsername)
-     *   - work/example.org/john@doe.org.gpg --> work (FileBased)
-     *   - example.org/john@doe.org.gpg --> null (FileBased)
-     *   - john@doe.org.gpg --> null (FileBased)
-     *   - work/example.org/john@doe.org/password.gpg --> work (DirectoryBased)
-     *   - example.org/john@doe.org/password.gpg --> null (DirectoryBased)
-     */
-    fun getPathToIdentifierFor(file: File): String? = when (this) {
-        EncryptedUsername -> file.parent
-        FileBased -> file.parentFile?.parent
-        DirectoryBased -> file.parentFile?.parentFile?.parent
-    }
-
-    /**
-     * Returns the path component of [file] following the origin identifier according to the current
-     * [DirectoryStructure] (without file extension).
-     *
-     * At least one of [DirectoryStructure.getIdentifierFor] and
-     * [DirectoryStructure.getAccountPartFor] will always return a non-null result.
-     *
-     * Examples:
-     *   - * --> null (EncryptedUsername)
-     *   - work/example.org/john@doe.org.gpg --> john@doe.org (FileBased)
-     *   - example.org.gpg --> null (FileBased, fallback)
-     *   - work/example.org/john@doe.org/password.gpg --> john@doe.org/password (DirectoryBased)
-     *   - Temporary PIN.gpg --> Temporary PIN (DirectoryBased, fallback)
-     */
-    fun getAccountPartFor(file: File): String? = when (this) {
-        EncryptedUsername -> null
-        FileBased -> file.nameWithoutExtension.takeIf { file.parentFile != null }
-        DirectoryBased -> file.parentFile?.let { parentFile ->
-            "${parentFile.name}/${file.nameWithoutExtension}"
-        } ?: file.nameWithoutExtension
-    }
-
-    @RequiresApi(Build.VERSION_CODES.O)
-    fun getSaveFolderName(sanitizedIdentifier: String, username: String?) = when (this) {
-        EncryptedUsername -> "/"
-        FileBased -> sanitizedIdentifier
-        DirectoryBased -> Paths.get(sanitizedIdentifier, username ?: "username").toString()
-    }
-
-    fun getSaveFileName(username: String?, identifier: String) = when (this) {
-        EncryptedUsername -> identifier
-        FileBased -> username
-        DirectoryBased -> "password"
-    }
-
-    companion object {
-
-        const val PREFERENCE = "oreo_autofill_directory_structure"
-        private val DEFAULT = FileBased
-
-        private val reverseMap = values().associateBy { it.value }
-        fun fromValue(value: String?) = if (value != null) reverseMap[value] ?: DEFAULT else DEFAULT
-    }
-}
-
-object AutofillPreferences {
-
-    fun directoryStructure(context: Context): DirectoryStructure {
-        val value = context.sharedPrefs.getString(DirectoryStructure.PREFERENCE, null)
-        return DirectoryStructure.fromValue(value)
-    }
-
-    fun credentialsFromStoreEntry(
-        context: Context,
-        file: File,
-        entry: PasswordEntry,
-        directoryStructure: DirectoryStructure
-    ): Credentials {
-        // Always give priority to a username stored in the encrypted extras
-        val username = entry.username
-            ?: directoryStructure.getUsernameFor(file)
-            ?: context.getDefaultUsername()
-        return Credentials(username, entry.password, entry.calculateTotpCode())
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillResponseBuilder.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillResponseBuilder.kt
deleted file mode 100644
index d73373e3..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillResponseBuilder.kt
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo
-
-import android.content.Context
-import android.content.IntentSender
-import android.os.Build
-import android.os.Bundle
-import android.service.autofill.Dataset
-import android.service.autofill.FillCallback
-import android.service.autofill.FillResponse
-import android.service.autofill.SaveInfo
-import androidx.annotation.RequiresApi
-import com.github.ajalt.timberkt.e
-import com.github.androidpasswordstore.autofillparser.AutofillAction
-import com.github.androidpasswordstore.autofillparser.AutofillScenario
-import com.github.androidpasswordstore.autofillparser.Credentials
-import com.github.androidpasswordstore.autofillparser.FillableForm
-import com.github.androidpasswordstore.autofillparser.fillWith
-import com.github.michaelbull.result.fold
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillDecryptActivity
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillFilterView
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillPublisherChangedActivity
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillSaveActivity
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillSmsActivity
-import java.io.File
-
-@RequiresApi(Build.VERSION_CODES.O)
-class AutofillResponseBuilder(form: FillableForm) {
-    private val formOrigin = form.formOrigin
-    private val scenario = form.scenario
-    private val ignoredIds = form.ignoredIds
-    private val saveFlags = form.saveFlags
-    private val clientState = form.toClientState()
-
-    // We do not offer save when the only relevant field is a username field or there is no field.
-    private val scenarioSupportsSave = scenario.hasPasswordFieldsToSave
-    private val canBeSaved = saveFlags != null && scenarioSupportsSave
-
-    private fun makeIntentDataset(
-        context: Context,
-        action: AutofillAction,
-        intentSender: IntentSender,
-        metadata: DatasetMetadata,
-    ): Dataset {
-        return Dataset.Builder(makeRemoteView(context, metadata)).run {
-            fillWith(scenario, action, credentials = null)
-            setAuthentication(intentSender)
-            build()
-        }
-    }
-
-    private fun makeMatchDataset(context: Context, file: File): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.Match)) return null
-        val metadata = makeFillMatchMetadata(context, file)
-        val intentSender = AutofillDecryptActivity.makeDecryptFileIntentSender(file, context)
-        return makeIntentDataset(context, AutofillAction.Match, intentSender, metadata)
-    }
-
-
-    private fun makeSearchDataset(context: Context): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.Search)) return null
-        val metadata = makeSearchAndFillMetadata(context)
-        val intentSender =
-            AutofillFilterView.makeMatchAndDecryptFileIntentSender(context, formOrigin)
-        return makeIntentDataset(context, AutofillAction.Search, intentSender, metadata)
-    }
-
-    private fun makeGenerateDataset(context: Context): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.Generate)) return null
-        val metadata = makeGenerateAndFillMetadata(context)
-        val intentSender = AutofillSaveActivity.makeSaveIntentSender(context, null, formOrigin)
-        return makeIntentDataset(context, AutofillAction.Generate, intentSender, metadata)
-    }
-
-    private fun makeFillOtpFromSmsDataset(context: Context): Dataset? {
-        if (!scenario.hasFieldsToFillOn(AutofillAction.FillOtpFromSms)) return null
-        if (!AutofillSmsActivity.shouldOfferFillFromSms(context)) return null
-        val metadata = makeFillOtpFromSmsMetadata(context)
-        val intentSender = AutofillSmsActivity.makeFillOtpFromSmsIntentSender(context)
-        return makeIntentDataset(context, AutofillAction.FillOtpFromSms, intentSender, metadata)
-    }
-
-    private fun makePublisherChangedDataset(
-        context: Context,
-        publisherChangedException: AutofillPublisherChangedException,
-    ): Dataset {
-        val metadata = makeWarningMetadata(context)
-        // If the user decides to trust the new publisher, they can choose reset the list of
-        // matches. In this case we need to immediately show a new `FillResponse` as if the app were
-        // autofilled for the first time. This `FillResponse` needs to be returned as a result from
-        // `AutofillPublisherChangedActivity`, which is why we create and pass it on here.
-        val fillResponseAfterReset = makeFillResponse(context, emptyList())
-        val intentSender = AutofillPublisherChangedActivity.makePublisherChangedIntentSender(
-            context, publisherChangedException, fillResponseAfterReset
-        )
-        return makeIntentDataset(context, AutofillAction.Match, intentSender, metadata)
-    }
-
-    private fun makePublisherChangedResponse(
-        context: Context,
-        publisherChangedException: AutofillPublisherChangedException
-    ): FillResponse {
-        return FillResponse.Builder().run {
-            addDataset(makePublisherChangedDataset(context, publisherChangedException))
-            setIgnoredIds(*ignoredIds.toTypedArray())
-            build()
-        }
-    }
-
-    // TODO: Support multi-step authentication flows in apps via FLAG_DELAY_SAVE
-    // See: https://developer.android.com/reference/android/service/autofill/SaveInfo#FLAG_DELAY_SAVE
-    private fun makeSaveInfo(): SaveInfo? {
-        if (!canBeSaved) return null
-        check(saveFlags != null)
-        val idsToSave = scenario.fieldsToSave.toTypedArray()
-        if (idsToSave.isEmpty()) return null
-        var saveDataTypes = SaveInfo.SAVE_DATA_TYPE_PASSWORD
-        if (scenario.hasUsername) {
-            saveDataTypes = saveDataTypes or SaveInfo.SAVE_DATA_TYPE_USERNAME
-        }
-        return SaveInfo.Builder(saveDataTypes, idsToSave).run {
-            setFlags(saveFlags)
-            build()
-        }
-    }
-
-    private fun makeFillResponse(context: Context, matchedFiles: List<File>): FillResponse? {
-        var datasetCount = 0
-        return FillResponse.Builder().run {
-            for (file in matchedFiles) {
-                makeMatchDataset(context, file)?.let {
-                    datasetCount++
-                    addDataset(it)
-                }
-            }
-            makeSearchDataset(context)?.let {
-                datasetCount++
-                addDataset(it)
-            }
-            makeGenerateDataset(context)?.let {
-                datasetCount++
-                addDataset(it)
-            }
-            makeFillOtpFromSmsDataset(context)?.let {
-                datasetCount++
-                addDataset(it)
-            }
-            if (datasetCount == 0) return null
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-                setHeader(makeRemoteView(context, makeHeaderMetadata(formOrigin.getPrettyIdentifier(context, untrusted = true))))
-            }
-            makeSaveInfo()?.let { setSaveInfo(it) }
-            setClientState(clientState)
-            setIgnoredIds(*ignoredIds.toTypedArray())
-            build()
-        }
-    }
-
-    /**
-     * Creates and returns a suitable [FillResponse] to the Autofill framework.
-     */
-    fun fillCredentials(context: Context, callback: FillCallback) {
-        AutofillMatcher.getMatchesFor(context, formOrigin).fold(
-            success = { matchedFiles ->
-                callback.onSuccess(makeFillResponse(context, matchedFiles))
-            },
-            failure = { e ->
-                e(e)
-                callback.onSuccess(makePublisherChangedResponse(context, e))
-            }
-        )
-    }
-
-    companion object {
-        fun makeFillInDataset(
-            context: Context,
-            credentials: Credentials,
-            clientState: Bundle,
-            action: AutofillAction
-        ): Dataset {
-            val scenario = AutofillScenario.fromClientState(clientState)
-            // Before Android P, Datasets used for fill-in had to come with a RemoteViews, even
-            // though they are rarely shown.
-            // FIXME: We should clone the original dataset here and add the credentials to be filled
-            // in. Otherwise, the entry in the cached list of datasets will be overwritten by the
-            // fill-in dataset without any visual representation. This causes it to be missing from
-            // the Autofill suggestions shown after the user clears the filled out form fields.
-            val builder = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-                Dataset.Builder()
-            } else {
-                Dataset.Builder(makeRemoteView(context, makeEmptyMetadata()))
-            }
-            return builder.run {
-                if (scenario != null) fillWith(scenario, action, credentials)
-                else e { "Failed to recover scenario from client state" }
-                build()
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillViewUtils.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillViewUtils.kt
deleted file mode 100644
index 49e0d3e3..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/AutofillViewUtils.kt
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo
-
-import android.annotation.SuppressLint
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.content.res.Resources
-import android.graphics.drawable.Icon
-import android.os.Build
-import android.service.autofill.InlinePresentation
-import android.view.View
-import android.widget.RemoteViews
-import android.widget.inline.InlinePresentationSpec
-import androidx.annotation.DrawableRes
-import androidx.autofill.inline.UiVersions
-import androidx.autofill.inline.v1.InlineSuggestionUi
-import com.zeapo.pwdstore.PasswordStore
-import com.zeapo.pwdstore.R
-import com.zeapo.pwdstore.utils.PasswordRepository
-import java.io.File
-
-data class DatasetMetadata(val title: String, val subtitle: String?, @DrawableRes val iconRes: Int)
-
-fun makeRemoteView(context: Context, metadata: DatasetMetadata): RemoteViews {
-    return RemoteViews(context.packageName, R.layout.oreo_autofill_dataset).apply {
-        setTextViewText(R.id.title, metadata.title)
-        if (metadata.subtitle != null) {
-            setTextViewText(R.id.summary, metadata.subtitle)
-        } else {
-            setViewVisibility(R.id.summary, View.GONE)
-        }
-        if (metadata.iconRes != Resources.ID_NULL) {
-            setImageViewResource(R.id.icon, metadata.iconRes)
-        } else {
-            setViewVisibility(R.id.icon, View.GONE)
-        }
-    }
-}
-
-@SuppressLint("RestrictedApi")
-fun makeInlinePresentation(context: Context, imeSpec: InlinePresentationSpec, metadata: DatasetMetadata): InlinePresentation? {
-    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R)
-        return null
-
-    if (UiVersions.INLINE_UI_VERSION_1 !in UiVersions.getVersions(imeSpec.style))
-        return null
-
-    val launchIntent = PendingIntent.getActivity(context, 0, Intent(context, PasswordStore::class.java), 0)
-    val slice = InlineSuggestionUi.newContentBuilder(launchIntent).run {
-        setTitle(metadata.title)
-        if (metadata.subtitle != null)
-            setSubtitle(metadata.subtitle)
-        setContentDescription(if (metadata.subtitle != null) "${metadata.title} - ${metadata.subtitle}" else metadata.title)
-        setStartIcon(Icon.createWithResource(context, metadata.iconRes))
-        build().slice
-    }
-
-    return InlinePresentation(slice, imeSpec, false)
-}
-
-
-fun makeFillMatchMetadata(context: Context, file: File): DatasetMetadata {
-    val directoryStructure = AutofillPreferences.directoryStructure(context)
-    val relativeFile = file.relativeTo(PasswordRepository.getRepositoryDirectory())
-    val title = directoryStructure.getIdentifierFor(relativeFile)
-        ?: directoryStructure.getAccountPartFor(relativeFile)!!
-    val subtitle = directoryStructure.getAccountPartFor(relativeFile)
-    return DatasetMetadata(
-        title,
-        subtitle,
-        R.drawable.ic_person_black_24dp
-    )
-}
-
-fun makeSearchAndFillMetadata(context: Context) = DatasetMetadata(
-    context.getString(R.string.oreo_autofill_search_in_store),
-    null,
-    R.drawable.ic_search_black_24dp
-)
-
-fun makeGenerateAndFillMetadata(context: Context) = DatasetMetadata(
-    context.getString(R.string.oreo_autofill_generate_password),
-    null,
-    R.drawable.ic_autofill_new_password
-)
-
-fun makeFillOtpFromSmsMetadata(context: Context) = DatasetMetadata(
-    context.getString(R.string.oreo_autofill_fill_otp_from_sms),
-    null,
-    R.drawable.ic_autofill_sms
-)
-
-fun makeEmptyMetadata() = DatasetMetadata(
-    "PLACEHOLDER",
-    "PLACEHOLDER",
-    R.mipmap.ic_launcher
-)
-
-fun makeWarningMetadata(context: Context) = DatasetMetadata(
-    context.getString(R.string.oreo_autofill_warning_publisher_dataset_title),
-    context.getString(R.string.oreo_autofill_warning_publisher_dataset_summary),
-    R.drawable.ic_warning_red_24dp
-)
-
-fun makeHeaderMetadata(title: String) = DatasetMetadata(
-    title,
-    null,
-    0
-)
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/OreoAutofillService.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/OreoAutofillService.kt
deleted file mode 100644
index cc7e2c0c..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/OreoAutofillService.kt
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo
-
-import android.content.Context
-import android.os.Build
-import android.os.CancellationSignal
-import android.service.autofill.AutofillService
-import android.service.autofill.FillCallback
-import android.service.autofill.FillRequest
-import android.service.autofill.FillResponse
-import android.service.autofill.SaveCallback
-import android.service.autofill.SaveRequest
-import androidx.annotation.RequiresApi
-import com.github.ajalt.timberkt.d
-import com.github.ajalt.timberkt.e
-import com.github.androidpasswordstore.autofillparser.AutofillScenario
-import com.github.androidpasswordstore.autofillparser.Credentials
-import com.github.androidpasswordstore.autofillparser.FillableForm
-import com.github.androidpasswordstore.autofillparser.FixedSaveCallback
-import com.github.androidpasswordstore.autofillparser.FormOrigin
-import com.github.androidpasswordstore.autofillparser.cachePublicSuffixList
-import com.github.androidpasswordstore.autofillparser.passwordValue
-import com.github.androidpasswordstore.autofillparser.recoverNodes
-import com.github.androidpasswordstore.autofillparser.usernameValue
-import com.zeapo.pwdstore.BuildConfig
-import com.zeapo.pwdstore.R
-import com.zeapo.pwdstore.autofill.oreo.ui.AutofillSaveActivity
-import com.zeapo.pwdstore.utils.PreferenceKeys
-import com.zeapo.pwdstore.utils.getString
-import com.zeapo.pwdstore.utils.hasFlag
-import com.zeapo.pwdstore.utils.sharedPrefs
-
-@RequiresApi(Build.VERSION_CODES.O)
-class OreoAutofillService : AutofillService() {
-
-    companion object {
-
-        // TODO: Provide a user-configurable denylist
-        private val DENYLISTED_PACKAGES = listOf(
-            BuildConfig.APPLICATION_ID,
-            "android",
-            "com.android.settings",
-            "com.android.settings.intelligence",
-            "com.android.systemui",
-            "com.oneplus.applocker",
-            "org.sufficientlysecure.keychain",
-        )
-
-        private const val DISABLE_AUTOFILL_DURATION_MS = 1000 * 60 * 60 * 24L
-    }
-
-    override fun onCreate() {
-        super.onCreate()
-        cachePublicSuffixList(applicationContext)
-    }
-
-    override fun onFillRequest(
-        request: FillRequest,
-        cancellationSignal: CancellationSignal,
-        callback: FillCallback
-    ) {
-        val structure = request.fillContexts.lastOrNull()?.structure ?: run {
-            callback.onSuccess(null)
-            return
-        }
-        if (structure.activityComponent.packageName in DENYLISTED_PACKAGES) {
-            if (Build.VERSION.SDK_INT >= 28) {
-                callback.onSuccess(FillResponse.Builder().run {
-                    disableAutofill(DISABLE_AUTOFILL_DURATION_MS)
-                    build()
-                })
-            } else {
-                callback.onSuccess(null)
-            }
-            return
-        }
-        val formToFill = FillableForm.parseAssistStructure(
-            this, structure,
-            isManualRequest = request.flags hasFlag FillRequest.FLAG_MANUAL_REQUEST,
-            getCustomSuffixes(),
-        ) ?: run {
-            d { "Form cannot be filled" }
-            callback.onSuccess(null)
-            return
-        }
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
-            Api30AutofillResponseBuilder(formToFill).fillCredentials(this, request.inlineSuggestionsRequest, callback)
-        } else {
-            AutofillResponseBuilder(formToFill).fillCredentials(this, callback)
-        }
-    }
-
-    override fun onSaveRequest(request: SaveRequest, callback: SaveCallback) {
-        // SaveCallback's behavior and feature set differs based on both target and device SDK, so
-        // we replace it with a wrapper that works the same in all situations.
-        @Suppress("NAME_SHADOWING") val callback = FixedSaveCallback(this, callback)
-        val structure = request.fillContexts.lastOrNull()?.structure ?: run {
-            callback.onFailure(getString(R.string.oreo_autofill_save_app_not_supported))
-            return
-        }
-        val clientState = request.clientState ?: run {
-            e { "Received save request without client state" }
-            callback.onFailure(getString(R.string.oreo_autofill_save_internal_error))
-            return
-        }
-        val scenario = AutofillScenario.fromClientState(clientState)?.recoverNodes(structure) ?: run {
-            e { "Failed to recover client state or nodes from client state" }
-            callback.onFailure(getString(R.string.oreo_autofill_save_internal_error))
-            return
-        }
-        val formOrigin = FormOrigin.fromBundle(clientState) ?: run {
-            e { "Failed to recover form origin from client state" }
-            callback.onFailure(getString(R.string.oreo_autofill_save_internal_error))
-            return
-        }
-
-        val username = scenario.usernameValue
-        val password = scenario.passwordValue ?: run {
-            callback.onFailure(getString(R.string.oreo_autofill_save_passwords_dont_match))
-            return
-        }
-        callback.onSuccess(
-            AutofillSaveActivity.makeSaveIntentSender(
-                this,
-                credentials = Credentials(username, password, null),
-                formOrigin = formOrigin
-            )
-        )
-    }
-}
-
-fun Context.getDefaultUsername() = sharedPrefs.getString(PreferenceKeys.OREO_AUTOFILL_DEFAULT_USERNAME)
-
-fun Context.getCustomSuffixes(): Sequence<String> {
-    return sharedPrefs.getString(PreferenceKeys.OREO_AUTOFILL_CUSTOM_PUBLIC_SUFFIXES)
-        ?.splitToSequence('\n')
-        ?.filter { it.isNotBlank() && it.first() != '.' && it.last() != '.' }
-        ?: emptySequence()
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillDecryptActivity.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillDecryptActivity.kt
deleted file mode 100644
index a5bdcfe0..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillDecryptActivity.kt
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo.ui
-
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.content.IntentSender
-import android.os.Build
-import android.os.Bundle
-import android.view.autofill.AutofillManager
-import android.widget.Toast
-import androidx.activity.result.IntentSenderRequest
-import androidx.activity.result.contract.ActivityResultContracts.StartIntentSenderForResult
-import androidx.annotation.RequiresApi
-import androidx.appcompat.app.AppCompatActivity
-import com.github.ajalt.timberkt.d
-import com.github.ajalt.timberkt.e
-import com.github.michaelbull.result.getOrElse
-import com.github.michaelbull.result.onFailure
-import com.github.michaelbull.result.onSuccess
-import com.github.michaelbull.result.runCatching
-import com.github.androidpasswordstore.autofillparser.AutofillAction
-import com.github.androidpasswordstore.autofillparser.Credentials
-import com.zeapo.pwdstore.autofill.oreo.AutofillPreferences
-import com.zeapo.pwdstore.autofill.oreo.AutofillResponseBuilder
-import com.zeapo.pwdstore.autofill.oreo.DirectoryStructure
-import com.zeapo.pwdstore.model.PasswordEntry
-import com.zeapo.pwdstore.utils.OPENPGP_PROVIDER
-import java.io.ByteArrayOutputStream
-import java.io.File
-import java.io.InputStream
-import java.io.OutputStream
-import kotlin.coroutines.Continuation
-import kotlin.coroutines.resume
-import kotlin.coroutines.resumeWithException
-import kotlin.coroutines.suspendCoroutine
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.SupervisorJob
-import kotlinx.coroutines.cancelChildren
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
-import me.msfjarvis.openpgpktx.util.OpenPgpApi
-import me.msfjarvis.openpgpktx.util.OpenPgpServiceConnection
-import org.openintents.openpgp.IOpenPgpService2
-import org.openintents.openpgp.OpenPgpError
-
-@RequiresApi(Build.VERSION_CODES.O)
-class AutofillDecryptActivity : AppCompatActivity(), CoroutineScope {
-
-    companion object {
-
-        private const val EXTRA_FILE_PATH = "com.zeapo.pwdstore.autofill.oreo.EXTRA_FILE_PATH"
-        private const val EXTRA_SEARCH_ACTION =
-            "com.zeapo.pwdstore.autofill.oreo.EXTRA_SEARCH_ACTION"
-
-        private var decryptFileRequestCode = 1
-
-        fun makeDecryptFileIntent(file: File, forwardedExtras: Bundle, context: Context): Intent {
-            return Intent(context, AutofillDecryptActivity::class.java).apply {
-                putExtras(forwardedExtras)
-                putExtra(EXTRA_SEARCH_ACTION, true)
-                putExtra(EXTRA_FILE_PATH, file.absolutePath)
-            }
-        }
-
-        fun makeDecryptFileIntentSender(file: File, context: Context): IntentSender {
-            val intent = Intent(context, AutofillDecryptActivity::class.java).apply {
-                putExtra(EXTRA_SEARCH_ACTION, false)
-                putExtra(EXTRA_FILE_PATH, file.absolutePath)
-            }
-            return PendingIntent.getActivity(
-                context,
-                decryptFileRequestCode++,
-                intent,
-                PendingIntent.FLAG_CANCEL_CURRENT
-            ).intentSender
-        }
-    }
-
-    private val decryptInteractionRequiredAction = registerForActivityResult(StartIntentSenderForResult()) { result ->
-        if (continueAfterUserInteraction != null) {
-            val data = result.data
-            if (result.resultCode == RESULT_OK && data != null) {
-                continueAfterUserInteraction?.resume(data)
-            } else {
-                continueAfterUserInteraction?.resumeWithException(Exception("OpenPgpApi ACTION_DECRYPT_VERIFY failed to continue after user interaction"))
-            }
-            continueAfterUserInteraction = null
-        }
-    }
-
-    private var continueAfterUserInteraction: Continuation<Intent>? = null
-    private lateinit var directoryStructure: DirectoryStructure
-
-    override val coroutineContext
-        get() = Dispatchers.IO + SupervisorJob()
-
-    override fun onStart() {
-        super.onStart()
-        val filePath = intent?.getStringExtra(EXTRA_FILE_PATH) ?: run {
-            e { "AutofillDecryptActivity started without EXTRA_FILE_PATH" }
-            finish()
-            return
-        }
-        val clientState = intent?.getBundleExtra(AutofillManager.EXTRA_CLIENT_STATE) ?: run {
-            e { "AutofillDecryptActivity started without EXTRA_CLIENT_STATE" }
-            finish()
-            return
-        }
-        val isSearchAction = intent?.getBooleanExtra(EXTRA_SEARCH_ACTION, true)!!
-        val action = if (isSearchAction) AutofillAction.Search else AutofillAction.Match
-        directoryStructure = AutofillPreferences.directoryStructure(this)
-        d { action.toString() }
-        launch {
-            val credentials = decryptCredential(File(filePath))
-            if (credentials == null) {
-                setResult(RESULT_CANCELED)
-            } else {
-                val fillInDataset =
-                    AutofillResponseBuilder.makeFillInDataset(
-                        this@AutofillDecryptActivity,
-                        credentials,
-                        clientState,
-                        action
-                    )
-                withContext(Dispatchers.Main) {
-                    setResult(RESULT_OK, Intent().apply {
-                        putExtra(AutofillManager.EXTRA_AUTHENTICATION_RESULT, fillInDataset)
-                    })
-                }
-            }
-            withContext(Dispatchers.Main) {
-                finish()
-            }
-        }
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-        coroutineContext.cancelChildren()
-    }
-
-    private suspend fun executeOpenPgpApi(
-        data: Intent,
-        input: InputStream,
-        output: OutputStream
-    ): Intent? {
-        var openPgpServiceConnection: OpenPgpServiceConnection? = null
-        val openPgpService = suspendCoroutine<IOpenPgpService2> { cont ->
-            openPgpServiceConnection = OpenPgpServiceConnection(
-                this,
-                OPENPGP_PROVIDER,
-                object : OpenPgpServiceConnection.OnBound {
-                    override fun onBound(service: IOpenPgpService2) {
-                        cont.resume(service)
-                    }
-
-                    override fun onError(e: Exception) {
-                        cont.resumeWithException(e)
-                    }
-                }).also { it.bindToService() }
-        }
-        return OpenPgpApi(this, openPgpService).executeApi(data, input, output).also {
-            openPgpServiceConnection?.unbindFromService()
-        }
-    }
-
-    private suspend fun decryptCredential(
-        file: File,
-        resumeIntent: Intent? = null
-    ): Credentials? {
-        val command = resumeIntent ?: Intent().apply {
-            action = OpenPgpApi.ACTION_DECRYPT_VERIFY
-        }
-        runCatching {
-            file.inputStream()
-        }.onFailure { e ->
-            e(e) { "File to decrypt not found" }
-            return null
-        }.onSuccess { encryptedInput ->
-            val decryptedOutput = ByteArrayOutputStream()
-            runCatching {
-                executeOpenPgpApi(command, encryptedInput, decryptedOutput)
-            }.onFailure { e ->
-                e(e) { "OpenPgpApi ACTION_DECRYPT_VERIFY failed" }
-                return null
-            }.onSuccess { result ->
-                return when (val resultCode =
-                    result?.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR)) {
-                    OpenPgpApi.RESULT_CODE_SUCCESS -> {
-                        runCatching {
-                            val entry = withContext(Dispatchers.IO) {
-                                @Suppress("BlockingMethodInNonBlockingContext")
-                                PasswordEntry(decryptedOutput)
-                            }
-                            AutofillPreferences.credentialsFromStoreEntry(this, file, entry, directoryStructure)
-                        }.getOrElse { e ->
-                            e(e) { "Failed to parse password entry" }
-                            return null
-                        }
-                    }
-                    OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED -> {
-                        val pendingIntent: PendingIntent =
-                            result.getParcelableExtra(OpenPgpApi.RESULT_INTENT)!!
-                        runCatching {
-                            val intentToResume = withContext(Dispatchers.Main) {
-                                suspendCoroutine<Intent> { cont ->
-                                    continueAfterUserInteraction = cont
-                                    decryptInteractionRequiredAction.launch(IntentSenderRequest.Builder(pendingIntent.intentSender).build())
-                                }
-                            }
-                            decryptCredential(file, intentToResume)
-                        }.getOrElse { e ->
-                            e(e) { "OpenPgpApi ACTION_DECRYPT_VERIFY failed with user interaction" }
-                            return null
-                        }
-                    }
-                    OpenPgpApi.RESULT_CODE_ERROR -> {
-                        val error = result.getParcelableExtra<OpenPgpError>(OpenPgpApi.RESULT_ERROR)
-                        if (error != null) {
-                            withContext(Dispatchers.Main) {
-                                Toast.makeText(
-                                    applicationContext,
-                                    "Error from OpenKeyChain: ${error.message}",
-                                    Toast.LENGTH_LONG
-                                ).show()
-                            }
-                            e { "OpenPgpApi ACTION_DECRYPT_VERIFY failed (${error.errorId}): ${error.message}" }
-                        }
-                        null
-                    }
-                    else -> {
-                        e { "Unrecognized OpenPgpApi result: $resultCode" }
-                        null
-                    }
-                }
-            }
-        }
-        return null
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillFilterActivity.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillFilterActivity.kt
deleted file mode 100644
index 25919ad5..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillFilterActivity.kt
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo.ui
-
-import android.annotation.TargetApi
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.content.IntentSender
-import android.os.Build
-import android.os.Bundle
-import android.view.View
-import android.view.autofill.AutofillManager
-import android.widget.TextView
-import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
-import androidx.activity.viewModels
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.text.bold
-import androidx.core.text.buildSpannedString
-import androidx.core.text.underline
-import androidx.core.widget.addTextChangedListener
-import androidx.lifecycle.ViewModelProvider
-import androidx.recyclerview.widget.LinearLayoutManager
-import com.github.ajalt.timberkt.e
-import com.github.androidpasswordstore.autofillparser.FormOrigin
-import com.zeapo.pwdstore.FilterMode
-import com.zeapo.pwdstore.ListMode
-import com.zeapo.pwdstore.R
-import com.zeapo.pwdstore.SearchMode
-import com.zeapo.pwdstore.SearchableRepositoryAdapter
-import com.zeapo.pwdstore.SearchableRepositoryViewModel
-import com.zeapo.pwdstore.autofill.oreo.AutofillMatcher
-import com.zeapo.pwdstore.autofill.oreo.AutofillPreferences
-import com.zeapo.pwdstore.autofill.oreo.DirectoryStructure
-import com.zeapo.pwdstore.databinding.ActivityOreoAutofillFilterBinding
-import com.zeapo.pwdstore.utils.PasswordItem
-import com.zeapo.pwdstore.utils.viewBinding
-
-@TargetApi(Build.VERSION_CODES.O)
-class AutofillFilterView : AppCompatActivity() {
-
-    companion object {
-
-        private const val HEIGHT_PERCENTAGE = 0.9
-        private const val WIDTH_PERCENTAGE = 0.75
-
-        private const val EXTRA_FORM_ORIGIN_WEB =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_FORM_ORIGIN_WEB"
-        private const val EXTRA_FORM_ORIGIN_APP =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_FORM_ORIGIN_APP"
-        private var matchAndDecryptFileRequestCode = 1
-
-        fun makeMatchAndDecryptFileIntentSender(
-            context: Context,
-            formOrigin: FormOrigin
-        ): IntentSender {
-            val intent = Intent(context, AutofillFilterView::class.java).apply {
-                when (formOrigin) {
-                    is FormOrigin.Web -> putExtra(EXTRA_FORM_ORIGIN_WEB, formOrigin.identifier)
-                    is FormOrigin.App -> putExtra(EXTRA_FORM_ORIGIN_APP, formOrigin.identifier)
-                }
-            }
-            return PendingIntent.getActivity(
-                context,
-                matchAndDecryptFileRequestCode++,
-                intent,
-                PendingIntent.FLAG_CANCEL_CURRENT
-            ).intentSender
-        }
-    }
-
-    private lateinit var formOrigin: FormOrigin
-    private lateinit var directoryStructure: DirectoryStructure
-    private val binding by viewBinding(ActivityOreoAutofillFilterBinding::inflate)
-
-    private val model: SearchableRepositoryViewModel by viewModels {
-        ViewModelProvider.AndroidViewModelFactory(application)
-    }
-
-    private val decryptAction = registerForActivityResult(StartActivityForResult()) { result ->
-        if (result.resultCode == RESULT_OK) {
-            setResult(RESULT_OK, result.data)
-        }
-        finish()
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(binding.root)
-        setFinishOnTouchOutside(true)
-
-        val params = window.attributes
-        params.height = (HEIGHT_PERCENTAGE * resources.displayMetrics.heightPixels).toInt()
-        params.width = (WIDTH_PERCENTAGE * resources.displayMetrics.widthPixels).toInt()
-        window.attributes = params
-
-        if (intent?.hasExtra(AutofillManager.EXTRA_CLIENT_STATE) != true) {
-            e { "AutofillFilterActivity started without EXTRA_CLIENT_STATE" }
-            finish()
-            return
-        }
-        formOrigin = when {
-            intent?.hasExtra(EXTRA_FORM_ORIGIN_WEB) == true -> {
-                FormOrigin.Web(intent!!.getStringExtra(EXTRA_FORM_ORIGIN_WEB)!!)
-            }
-            intent?.hasExtra(EXTRA_FORM_ORIGIN_APP) == true -> {
-                FormOrigin.App(intent!!.getStringExtra(EXTRA_FORM_ORIGIN_APP)!!)
-            }
-            else -> {
-                e { "AutofillFilterActivity started without EXTRA_FORM_ORIGIN_WEB or EXTRA_FORM_ORIGIN_APP" }
-                finish()
-                return
-            }
-        }
-        directoryStructure = AutofillPreferences.directoryStructure(this)
-
-        supportActionBar?.hide()
-        bindUI()
-        updateSearch()
-        setResult(RESULT_CANCELED)
-    }
-
-    private fun bindUI() {
-        with(binding) {
-            rvPassword.apply {
-                adapter = SearchableRepositoryAdapter(
-                    R.layout.oreo_autofill_filter_row,
-                    ::PasswordViewHolder
-                ) { item ->
-                    val file = item.file.relativeTo(item.rootDir)
-                    val pathToIdentifier = directoryStructure.getPathToIdentifierFor(file)
-                    val identifier = directoryStructure.getIdentifierFor(file)
-                    val accountPart = directoryStructure.getAccountPartFor(file)
-                    check(identifier != null || accountPart != null) { "At least one of identifier and accountPart should always be non-null" }
-                    title.text = if (identifier != null) {
-                        buildSpannedString {
-                            if (pathToIdentifier != null)
-                                append("$pathToIdentifier/")
-                            bold { underline { append(identifier) } }
-                        }
-                    } else {
-                        accountPart
-                    }
-                    subtitle.apply {
-                        if (identifier != null && accountPart != null) {
-                            text = accountPart
-                            visibility = View.VISIBLE
-                        } else {
-                            visibility = View.GONE
-                        }
-                    }
-                }.onItemClicked { _, item ->
-                    decryptAndFill(item)
-                }
-                layoutManager = LinearLayoutManager(context)
-            }
-            search.apply {
-                val initialSearch =
-                    formOrigin.getPrettyIdentifier(applicationContext, untrusted = false)
-                setText(initialSearch, TextView.BufferType.EDITABLE)
-                addTextChangedListener { updateSearch() }
-            }
-            origin.text = buildSpannedString {
-                append(getString(R.string.oreo_autofill_select_and_fill_into))
-                append("\n")
-                bold {
-                    append(formOrigin.getPrettyIdentifier(applicationContext, untrusted = true))
-                }
-            }
-            strictDomainSearch.apply {
-                visibility = if (formOrigin is FormOrigin.Web) View.VISIBLE else View.GONE
-                isChecked = formOrigin is FormOrigin.Web
-                setOnCheckedChangeListener { _, _ -> updateSearch() }
-            }
-            shouldMatch.text = getString(
-                R.string.oreo_autofill_match_with,
-                formOrigin.getPrettyIdentifier(applicationContext)
-            )
-            model.searchResult.observe(this@AutofillFilterView) { result ->
-                val list = result.passwordItems
-                (rvPassword.adapter as SearchableRepositoryAdapter).submitList(list) {
-                    rvPassword.scrollToPosition(0)
-                }
-                // Switch RecyclerView out for a "no results" message if the new list is empty and
-                // the message is not yet shown (and vice versa).
-                if ((list.isEmpty() && rvPasswordSwitcher.nextView.id == rvPasswordEmpty.id) ||
-                    (list.isNotEmpty() && rvPasswordSwitcher.nextView.id == rvPassword.id)
-                ) {
-                    rvPasswordSwitcher.showNext()
-                }
-            }
-        }
-    }
-
-    private fun updateSearch() {
-        model.search(
-            binding.search.text.toString().trim(),
-            filterMode = if (binding.strictDomainSearch.isChecked) FilterMode.StrictDomain else FilterMode.Fuzzy,
-            searchMode = SearchMode.RecursivelyInSubdirectories,
-            listMode = ListMode.FilesOnly
-        )
-    }
-
-    private fun decryptAndFill(item: PasswordItem) {
-        if (binding.shouldClear.isChecked) AutofillMatcher.clearMatchesFor(applicationContext, formOrigin)
-        if (binding.shouldMatch.isChecked) AutofillMatcher.addMatchFor(
-            applicationContext,
-            formOrigin,
-            item.file
-        )
-        // intent?.extras? is checked to be non-null in onCreate
-        decryptAction.launch(AutofillDecryptActivity.makeDecryptFileIntent(
-            item.file,
-            intent!!.extras!!,
-            this
-        ))
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillPublisherChangedActivity.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillPublisherChangedActivity.kt
deleted file mode 100644
index 34edf8f5..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillPublisherChangedActivity.kt
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo.ui
-
-import android.annotation.TargetApi
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.content.IntentSender
-import android.content.pm.PackageManager
-import android.os.Build
-import android.os.Bundle
-import android.service.autofill.FillResponse
-import android.text.format.DateUtils
-import android.view.View
-import android.view.autofill.AutofillManager
-import androidx.appcompat.app.AppCompatActivity
-import com.github.ajalt.timberkt.e
-import com.github.androidpasswordstore.autofillparser.FormOrigin
-import com.github.androidpasswordstore.autofillparser.computeCertificatesHash
-import com.github.michaelbull.result.onFailure
-import com.github.michaelbull.result.runCatching
-import com.zeapo.pwdstore.R
-import com.zeapo.pwdstore.autofill.oreo.AutofillMatcher
-import com.zeapo.pwdstore.autofill.oreo.AutofillPublisherChangedException
-import com.zeapo.pwdstore.databinding.ActivityOreoAutofillPublisherChangedBinding
-import com.zeapo.pwdstore.utils.viewBinding
-
-@TargetApi(Build.VERSION_CODES.O)
-class AutofillPublisherChangedActivity : AppCompatActivity() {
-
-    companion object {
-
-        private const val EXTRA_APP_PACKAGE =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_APP_PACKAGE"
-        private const val EXTRA_FILL_RESPONSE_AFTER_RESET =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_FILL_RESPONSE_AFTER_RESET"
-        private var publisherChangedRequestCode = 1
-
-        fun makePublisherChangedIntentSender(
-            context: Context,
-            publisherChangedException: AutofillPublisherChangedException,
-            fillResponseAfterReset: FillResponse?,
-        ): IntentSender {
-            val intent = Intent(context, AutofillPublisherChangedActivity::class.java).apply {
-                putExtra(EXTRA_APP_PACKAGE, publisherChangedException.formOrigin.identifier)
-                putExtra(EXTRA_FILL_RESPONSE_AFTER_RESET, fillResponseAfterReset)
-            }
-            return PendingIntent.getActivity(
-                context, publisherChangedRequestCode++, intent, PendingIntent.FLAG_CANCEL_CURRENT
-            ).intentSender
-        }
-    }
-
-    private lateinit var appPackage: String
-    private val binding by viewBinding(ActivityOreoAutofillPublisherChangedBinding::inflate)
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(binding.root)
-        setFinishOnTouchOutside(true)
-
-        appPackage = intent.getStringExtra(EXTRA_APP_PACKAGE) ?: run {
-            e { "AutofillPublisherChangedActivity started without EXTRA_PACKAGE_NAME" }
-            finish()
-            return
-        }
-        supportActionBar?.hide()
-        showPackageInfo()
-        with(binding) {
-            okButton.setOnClickListener { finish() }
-            advancedButton.setOnClickListener {
-                advancedButton.visibility = View.GONE
-                warningAppAdvancedInfo.visibility = View.VISIBLE
-                resetButton.visibility = View.VISIBLE
-            }
-            resetButton.setOnClickListener {
-                AutofillMatcher.clearMatchesFor(this@AutofillPublisherChangedActivity, FormOrigin.App(appPackage))
-                val fillResponse = intent.getParcelableExtra<FillResponse>(EXTRA_FILL_RESPONSE_AFTER_RESET)
-                setResult(RESULT_OK, Intent().apply {
-                    putExtra(AutofillManager.EXTRA_AUTHENTICATION_RESULT, fillResponse)
-                })
-                finish()
-            }
-        }
-    }
-
-    private fun showPackageInfo() {
-        runCatching {
-            with(binding) {
-                val packageInfo =
-                    packageManager.getPackageInfo(appPackage, PackageManager.GET_META_DATA)
-                val installTime = DateUtils.getRelativeTimeSpanString(packageInfo.firstInstallTime)
-                warningAppInstallDate.text =
-                    getString(R.string.oreo_autofill_warning_publisher_install_time, installTime)
-                val appInfo =
-                    packageManager.getApplicationInfo(appPackage, PackageManager.GET_META_DATA)
-                warningAppName.text = "“${packageManager.getApplicationLabel(appInfo)}”"
-
-                val currentHash = computeCertificatesHash(this@AutofillPublisherChangedActivity, appPackage)
-                warningAppAdvancedInfo.text = getString(
-                    R.string.oreo_autofill_warning_publisher_advanced_info_template,
-                    appPackage,
-                    currentHash
-                )
-            }
-        }.onFailure { e ->
-            e(e) { "Failed to retrieve package info for $appPackage" }
-            finish()
-        }
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillSaveActivity.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillSaveActivity.kt
deleted file mode 100644
index bc012d3d..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/AutofillSaveActivity.kt
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo.ui
-
-import android.app.PendingIntent
-import android.content.Context
-import android.content.Intent
-import android.content.IntentSender
-import android.os.Build
-import android.os.Bundle
-import android.view.autofill.AutofillManager
-import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
-import androidx.annotation.RequiresApi
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.os.bundleOf
-import com.github.ajalt.timberkt.e
-import com.github.androidpasswordstore.autofillparser.AutofillAction
-import com.github.androidpasswordstore.autofillparser.Credentials
-import com.github.androidpasswordstore.autofillparser.FormOrigin
-import com.zeapo.pwdstore.autofill.oreo.AutofillMatcher
-import com.zeapo.pwdstore.autofill.oreo.AutofillPreferences
-import com.zeapo.pwdstore.autofill.oreo.AutofillResponseBuilder
-import com.zeapo.pwdstore.crypto.PasswordCreationActivity
-import com.zeapo.pwdstore.utils.PasswordRepository
-import java.io.File
-
-@RequiresApi(Build.VERSION_CODES.O)
-class AutofillSaveActivity : AppCompatActivity() {
-
-    companion object {
-
-        private const val EXTRA_FOLDER_NAME =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_FOLDER_NAME"
-        private const val EXTRA_PASSWORD = "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_PASSWORD"
-        private const val EXTRA_NAME = "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_NAME"
-        private const val EXTRA_SHOULD_MATCH_APP =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_SHOULD_MATCH_APP"
-        private const val EXTRA_SHOULD_MATCH_WEB =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_SHOULD_MATCH_WEB"
-        private const val EXTRA_GENERATE_PASSWORD =
-            "com.zeapo.pwdstore.autofill.oreo.ui.EXTRA_GENERATE_PASSWORD"
-
-        private var saveRequestCode = 1
-
-        fun makeSaveIntentSender(
-            context: Context,
-            credentials: Credentials?,
-            formOrigin: FormOrigin
-        ): IntentSender {
-            val identifier = formOrigin.getPrettyIdentifier(context, untrusted = false)
-            // Prevent directory traversals
-            val sanitizedIdentifier = identifier.replace('\\', '_')
-                .replace('/', '_')
-                .trimStart('.')
-                .takeUnless { it.isBlank() } ?: formOrigin.identifier
-            val directoryStructure = AutofillPreferences.directoryStructure(context)
-            val folderName = directoryStructure.getSaveFolderName(
-                sanitizedIdentifier = sanitizedIdentifier,
-                username = credentials?.username
-            )
-            val fileName = directoryStructure.getSaveFileName(username = credentials?.username, identifier = identifier)
-            val intent = Intent(context, AutofillSaveActivity::class.java).apply {
-                putExtras(
-                    bundleOf(
-                        EXTRA_FOLDER_NAME to folderName,
-                        EXTRA_NAME to fileName,
-                        EXTRA_PASSWORD to credentials?.password,
-                        EXTRA_SHOULD_MATCH_APP to formOrigin.identifier.takeIf { formOrigin is FormOrigin.App },
-                        EXTRA_SHOULD_MATCH_WEB to formOrigin.identifier.takeIf { formOrigin is FormOrigin.Web },
-                        EXTRA_GENERATE_PASSWORD to (credentials == null)
-                    )
-                )
-            }
-            return PendingIntent.getActivity(
-                context,
-                saveRequestCode++,
-                intent,
-                PendingIntent.FLAG_CANCEL_CURRENT
-            ).intentSender
-        }
-    }
-
-    private val formOrigin by lazy(LazyThreadSafetyMode.NONE) {
-        val shouldMatchApp: String? = intent.getStringExtra(EXTRA_SHOULD_MATCH_APP)
-        val shouldMatchWeb: String? = intent.getStringExtra(EXTRA_SHOULD_MATCH_WEB)
-        if (shouldMatchApp != null && shouldMatchWeb == null) {
-            FormOrigin.App(shouldMatchApp)
-        } else if (shouldMatchApp == null && shouldMatchWeb != null) {
-            FormOrigin.Web(shouldMatchWeb)
-        } else {
-            null
-        }
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        val repo = PasswordRepository.getRepositoryDirectory()
-        val saveIntent = Intent(this, PasswordCreationActivity::class.java).apply {
-            putExtras(
-                bundleOf(
-                    "REPO_PATH" to repo.absolutePath,
-                    "FILE_PATH" to repo.resolve(intent.getStringExtra(EXTRA_FOLDER_NAME)!!).absolutePath,
-                    PasswordCreationActivity.EXTRA_FILE_NAME to intent.getStringExtra(EXTRA_NAME),
-                    PasswordCreationActivity.EXTRA_PASSWORD to intent.getStringExtra(EXTRA_PASSWORD),
-                    PasswordCreationActivity.EXTRA_GENERATE_PASSWORD to intent.getBooleanExtra(EXTRA_GENERATE_PASSWORD, false)
-                )
-            )
-        }
-        registerForActivityResult(StartActivityForResult()) { result ->
-            val data = result.data
-            if (result.resultCode == RESULT_OK && data != null) {
-                val createdPath = data.getStringExtra("CREATED_FILE")!!
-                formOrigin?.let {
-                    AutofillMatcher.addMatchFor(this, it, File(createdPath))
-                }
-                val password = data.getStringExtra("PASSWORD")
-                val resultIntent = if (password != null) {
-                    // Password was generated and should be filled into a form.
-                    val username = data.getStringExtra("USERNAME")
-                    val clientState =
-                        intent?.getBundleExtra(AutofillManager.EXTRA_CLIENT_STATE) ?: run {
-                            e { "AutofillDecryptActivity started without EXTRA_CLIENT_STATE" }
-                            finish()
-                            return@registerForActivityResult
-                        }
-                    val credentials = Credentials(username, password, null)
-                    val fillInDataset = AutofillResponseBuilder.makeFillInDataset(
-                        this,
-                        credentials,
-                        clientState,
-                        AutofillAction.Generate
-                    )
-                    Intent().apply {
-                        putExtra(AutofillManager.EXTRA_AUTHENTICATION_RESULT, fillInDataset)
-                    }
-                } else {
-                    // Password was extracted from a form, there is nothing to fill.
-                    Intent()
-                }
-                setResult(RESULT_OK, resultIntent)
-            } else {
-                setResult(RESULT_CANCELED)
-            }
-            finish()
-        }.launch(saveIntent)
-    }
-}
diff --git a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/PasswordViewHolder.kt b/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/PasswordViewHolder.kt
deleted file mode 100644
index 162362f6..00000000
--- a/app/src/main/java/com/zeapo/pwdstore/autofill/oreo/ui/PasswordViewHolder.kt
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
- * SPDX-License-Identifier: GPL-3.0-only
- */
-package com.zeapo.pwdstore.autofill.oreo.ui
-
-import android.view.View
-import android.widget.TextView
-import androidx.recyclerview.widget.RecyclerView
-import com.zeapo.pwdstore.R
-
-class PasswordViewHolder(view: View) : RecyclerView.ViewHolder(view) {
-
-    val title: TextView = itemView.findViewById(R.id.title)
-    val subtitle: TextView = itemView.findViewById(R.id.subtitle)
-}