feat: use already existing microG account if possible (3a0aab67) · Commits · e / os / App Lounge

app/src/main/AndroidManifest.xml

+15 −11

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@
		<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
		<uses-permission android:name="android.permission.INTERNET" />
		<uses-permission android:name="android.permission.GET_TASKS" />
		<uses-permission android:name="android.permission.GET_ACCOUNTS" />
		<uses-permission android:name="foundation.e.pwaplayer.provider.READ_WRITE" />
		<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
		<uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC"/>
		@@ -45,6 +46,9 @@
		<uses-permission
		android:name="android.permission.QUERY_ALL_PACKAGES"
		tools:ignore="QueryAllPackagesPermission" />
		<uses-permission
		android:name="android.permission.USE_CREDENTIALS"
		/>
		<uses-permission
		android:name="android.permission.INSTALL_PACKAGES"
		tools:ignore="ProtectedPermissions" />

app/src/main/java/foundation/e/apps/data/login/AuthenticatorRepository.kt

+4 −0

Original line number	Diff line number	Diff line
		@@ -72,6 +72,10 @@ class AuthenticatorRepository @Inject constructor(
		loginCommon.saveGoogleLogin(email, oauth)
		}

		suspend fun saveAasToken(aasToken: String) {
		appLoungeDataStore.saveAasToken(aasToken)
		}

		suspend fun setNoGoogleMode() {
		loginCommon.setNoGoogleMode()
		}

app/src/main/java/foundation/e/apps/data/login/PlayStoreAuthenticator.kt

+12 −2

Original line number	Diff line number	Diff line
		@@ -183,8 +183,9 @@ class PlayStoreAuthenticator @Inject constructor(
		/*
		* If aasToken is not yet saved / made, fetch it from email and oauthToken.
		*/
		val googleLoginManager = loginManager as GoogleLoginManager
		val aasTokenResponse = loginWrapper.getAasToken(
		loginManager as GoogleLoginManager,
		googleLoginManager,
		email,
		oauthToken
		)
		@@ -195,7 +196,16 @@ class PlayStoreAuthenticator @Inject constructor(
		* in the aasTokenResponse.
		*/
		if (!aasTokenResponse.isSuccess()) {
		return ResultSupreme.replicate(aasTokenResponse, null)
		/*
		* Fallback: try building auth data directly from the oauthtoken without
		* converting to AAS.
		*/
		val fallbackAuth = googleLoginManager.buildAuthDataFromOauthToken(oauthToken)
		return if (fallbackAuth != null) {
		ResultSupreme.Success(formatAuthData(fallbackAuth))
		} else {
		ResultSupreme.replicate(aasTokenResponse, null)
		}
		}

		val aasTokenFetched = aasTokenResponse.data ?: ""

app/src/main/java/foundation/e/apps/data/login/api/GoogleLoginManager.kt

+30 −2

Original line number	Diff line number	Diff line
		@@ -62,13 +62,41 @@ class GoogleLoginManager(
		override suspend fun login(): AuthData? {
		val email = appLoungeDataStore.emailData.getSync()
		val aasToken = appLoungeDataStore.aasToken.getSync()
		val oauthToken = appLoungeDataStore.oauthToken.getSync()

		var authData: AuthData?
		withContext(Dispatchers.IO) {
		// Prefer AAS if present, otherwise fall back to an AUTH token (microG ya29.*).
		val (token, tokenType) = when {
		aasToken.isNotBlank() && aasToken.startsWith("ya29.") ->
		aasToken to AuthHelper.Token.AUTH
		aasToken.isNotBlank() ->
		aasToken to AuthHelper.Token.AAS
		oauthToken.isNotBlank() ->
		oauthToken to AuthHelper.Token.AUTH
		else -> "" to AuthHelper.Token.AAS
		}

		authData = AuthHelper.build(
		email,
		aasToken,
		tokenType = AuthHelper.Token.AAS,
		token,
		tokenType = tokenType,
		isAnonymous = false,
		properties = nativeDeviceProperty
		)
		}
		return authData
		}

		suspend fun buildAuthDataFromOauthToken(oauthToken: String): AuthData? {
		val email = appLoungeDataStore.emailData.getSync()
		var authData: AuthData?
		withContext(Dispatchers.IO) {
		authData = AuthHelper.build(
		email = email,
		token = oauthToken,
		tokenType = AuthHelper.Token.AUTH,
		isAnonymous = false,
		properties = nativeDeviceProperty
		)
		}

app/src/main/java/foundation/e/apps/data/login/microg/MicrogAccountManager.kt

0 → 100644

+110 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2026 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.apps.data.login.microg

		import android.accounts.Account
		import android.accounts.AccountManager
		import android.content.Context
		import android.content.Intent
		import android.os.Build
		import android.os.Bundle
		import android.os.Parcelable
		import android.util.Base64
		import androidx.core.os.BundleCompat
		import dagger.hilt.android.qualifiers.ApplicationContext
		import kotlinx.coroutines.Dispatchers
		import kotlinx.coroutines.withContext
		import javax.inject.Inject
		import javax.inject.Singleton

		data class MicrogAccount(
		val account: Account,
		val oauthToken: String
		)

		sealed class MicrogAccountFetchResult {
		data class Success(val microgAccount: MicrogAccount) : MicrogAccountFetchResult()
		data class RequiresUserAction(val intent: Intent) : MicrogAccountFetchResult()
		data class Error(val throwable: Throwable) : MicrogAccountFetchResult()
		}

		@Singleton
		class MicrogAccountManager @Inject constructor(
		@ApplicationContext val context: Context,
		private val accountManager: AccountManager
		) {

		fun hasMicrogAccount(): Boolean {
		return accountManager.getAccountsByType(MicrogCertUtil.GOOGLE_ACCOUNT_TYPE).isNotEmpty()
		}

		suspend fun fetchMicrogAccount(
		accountName: String? = null
		): MicrogAccountFetchResult = withContext(Dispatchers.IO) {
		val accounts = accountManager.getAccountsByType(MicrogCertUtil.GOOGLE_ACCOUNT_TYPE)
		if (accounts.isEmpty()) {
		return@withContext MicrogAccountFetchResult.Error(
		IllegalStateException("No Google accounts available")
		)
		}

		val account = accountName?.let { name ->
		accounts.firstOrNull { it.name == name }
		} ?: accounts.first()

		return@withContext runCatching {
		val bundle = accountManager.getAuthToken(
		account,
		MicrogCertUtil.PLAY_AUTH_SCOPE,
		Bundle().apply {
		putString("overridePackage", MicrogCertUtil.GOOGLE_PLAY_PACKAGE)
		putByteArray(
		"overrideCertificate",
		Base64.decode(MicrogCertUtil.GOOGLE_PLAY_CERT_BASE64, Base64.DEFAULT)
		)
		},
		false,
		null,
		null
		).result

		val intent = bundle.parcelableCompat(AccountManager.KEY_INTENT, Intent::class.java)
		if (intent != null) {
		return@withContext MicrogAccountFetchResult.RequiresUserAction(intent)
		}

		val token = bundle.getString(AccountManager.KEY_AUTHTOKEN)
		?: return@withContext MicrogAccountFetchResult.Error(
		IllegalStateException("microG returned an empty token")
		)

		MicrogAccountFetchResult.Success(MicrogAccount(account, token))
		}.getOrElse { throwable ->
		MicrogAccountFetchResult.Error(throwable)
		}
		}

		private fun <T : Parcelable> Bundle.parcelableCompat(key: String, clazz: Class<T>): T? {
		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
		getParcelable(key, clazz)
		} else {
		BundleCompat.getParcelable(this, key, clazz)
		}
		}
		}