Implement callback for PlayIntegrity (8b15daad) · Commits · e / os / App Lounge

app/src/main/aidl/foundation/e/apps/IAppLoungeIntegrityService.aidl

+3 −1

Original line number	Diff line number	Diff line
		package foundation.e.apps;

		import foundation.e.apps.IAppLoungeIntegrityServiceCallback;

		interface IAppLoungeIntegrityService {
		void checkIntegrity(String packageName, String nonce);
		void checkIntegrity(String packageName, String nonce, IAppLoungeIntegrityServiceCallback callback);
		}
		No newline at end of file

app/src/main/aidl/foundation/e/apps/IAppLoungeIntegrityServiceCallback.aidl

0 → 100644

+6 −0

Original line number	Diff line number	Diff line
		package foundation.e.apps;

		interface IAppLoungeIntegrityServiceCallback {
		void onSuccess(String token);
		void onError(int errorCode);
		}
		No newline at end of file

app/src/main/java/foundation/e/apps/api/gplay/GPlayAPIImpl.kt

+7 −9

Original line number	Diff line number	Diff line
		@@ -195,11 +195,11 @@ class GPlayAPIImpl @Inject constructor(private val gPlayHttpClient: GPlayHttpCli
		packageName: String,
		nonce: String,
		droidGuardToken: String
		) {
		): String? {

		val integrityApiKey = "AIzaSyAjf_GZN-B3oyEKTqug3eEcch_4qK3M2Hg"

		withContext(Dispatchers.IO) {
		return withContext(Dispatchers.IO) {

		Log.i("jklee", "checking integrity with token $droidGuardToken")
		val integrityHelper = IntegrityHelper(authData, integrityApiKey).using(gPlayHttpClient)
		@@ -207,13 +207,11 @@ class GPlayAPIImpl @Inject constructor(private val gPlayHttpClient: GPlayHttpCli
		Log.i("jklee", "checkIntegrity reponse ${response.code}")
		Log.i("jklee", "checkIntegrity successful ${response.isSuccessful}")


		val token = IntegrityAnswer.parseFrom(response.responseBytes).tokenWrapper.token.value
		Log.i("jklee", "token $token");
		response = integrityHelper.checkToken(token)
		Log.i("jklee", "checkToken response ${response.code}")
		Log.i("jklee", "checkToken successful ${response.isSuccessful}")
		Log.i("jklee", "checkToken response ${String(response.responseBytes)}")
		if (!response.isSuccessful) {
		null
		} else {
		IntegrityAnswer.parseFrom(response.responseBytes).tokenWrapper.token.value
		}
		}
		}

app/src/main/java/foundation/e/apps/api/gplay/GPlayAPIRepository.kt

+1 −3

Original line number	Diff line number	Diff line
		@@ -116,7 +116,5 @@ class GPlayAPIRepository @Inject constructor(private val gPlayAPIImpl: GPlayAPII
		packageName: String,
		nonce: String,
		droidGuardToken: String
		) {
		gPlayAPIImpl.checkIntegrityService(authData, packageName, nonce, droidGuardToken)
		}
		) = gPlayAPIImpl.checkIntegrityService(authData, packageName, nonce, droidGuardToken)
		}

app/src/main/java/foundation/e/apps/integrity/IntegrityBinder.kt

+9 −4

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@ import com.google.android.gms.droidguard.DroidGuard
		import com.google.android.gms.droidguard.DroidGuardClient
		import com.google.android.gms.droidguard.internal.DroidGuardResultsRequest
		import foundation.e.apps.IAppLoungeIntegrityService
		import foundation.e.apps.IAppLoungeIntegrityServiceCallback
		import foundation.e.apps.api.gplay.GPlayAPIRepository
		import kotlinx.coroutines.GlobalScope
		import kotlinx.coroutines.launch
		@@ -37,13 +38,14 @@ class IntegrityBinder(

		companion object {
		const val TAG = "IntegrityBinder"
		const val INTEGRITY_ERROR_NETWORK_ERROR = -3
		}

		override fun checkIntegrity(packageName: String, nonce: String) {
		requestDroidGuardToken(packageName, nonce)
		override fun checkIntegrity(packageName: String, nonce: String, callback: IAppLoungeIntegrityServiceCallback) {
		requestDroidGuardToken(packageName, nonce, callback)
		}

		private fun requestDroidGuardToken(packageName: String, nonce: String) {
		private fun requestDroidGuardToken(packageName: String, nonce: String, callback: IAppLoungeIntegrityServiceCallback) {
		val integrityPackage = IntegrityPackage.newBuilder().setPackageName(packageName)
		val versionCode = PackageVersionCode.newBuilder().setVersion(10)
		val timestamp = System.currentTimeMillis().asProtoTimestamp()
		@@ -72,7 +74,10 @@ class IntegrityBinder(
		request.bundle.putString("thirdPartyCallerAppPackageName", packageName)
		client.getResults("pia_attest", map, request).addOnSuccessListener {
		lifecycleCoroutineScope.launch {
		gPlayAPIRepository.checkIntegrity(authData, packageName, nonce, it)
		gPlayAPIRepository.checkIntegrity(authData, packageName, nonce, it).let {
		if (it == null) callback.onError(INTEGRITY_ERROR_NETWORK_ERROR)
		else callback.onSuccess(it)
		}
		}
		}
		}