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@@ -0,0 +1,148 @@
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+package im.angry.openeuicc.util
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+
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+import android.content.Context
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+import android.content.pm.PackageManager
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+import android.os.Build
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+import android.se.omapi.SEService
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+import android.telephony.TelephonyManager
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+import im.angry.easyeuicc.R
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+import kotlinx.coroutines.Dispatchers
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+import kotlinx.coroutines.delay
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+import kotlinx.coroutines.withContext
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+import kotlin.coroutines.resume
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+import kotlin.coroutines.suspendCoroutine
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+
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+fun getCompatibilityChecks(context: Context): List<CompatibilityCheck> =
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+ listOf(
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+ HasSystemFeaturesCheck(context),
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+ OmapiConnCheck(context),
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+ KnownBrokenCheck(context)
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+ )
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+
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+suspend fun List<CompatibilityCheck>.executeAll(callback: () -> Unit) = withContext(Dispatchers.IO) {
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+ forEach {
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+ it.run()
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+ withContext(Dispatchers.Main) {
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+ callback()
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+ }
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+ }
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+}
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+
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+abstract class CompatibilityCheck(context: Context) {
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+ enum class State {
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+ NOT_STARTED,
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+ IN_PROGRESS,
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+ SUCCESS,
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+ FAILURE
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+ }
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+
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+ var state = State.NOT_STARTED
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+
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+ abstract val title: String
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+ protected abstract val defaultDescription: String
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+ protected lateinit var failureDescription: String
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+
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+ val description: String
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+ get() = when {
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+ state == State.FAILURE && this::failureDescription.isInitialized -> failureDescription
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+ else -> defaultDescription
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+ }
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+
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+ protected abstract suspend fun doCheck(): Boolean
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+
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+ suspend fun run() {
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+ state = State.IN_PROGRESS
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+ delay(200)
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+ state = try {
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+ if (doCheck()) {
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+ State.SUCCESS
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+ } else {
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+ State.FAILURE
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+ }
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+ } catch (_: Exception) {
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+ State.FAILURE
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+ }
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+ }
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+}
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+
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+internal class HasSystemFeaturesCheck(private val context: Context): CompatibilityCheck(context) {
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+ override val title: String
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+ get() = context.getString(R.string.compatibility_check_system_features)
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+ override val defaultDescription: String
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+ get() = context.getString(R.string.compatibility_check_system_features_desc)
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+
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+ override suspend fun doCheck(): Boolean {
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+ if (!context.packageManager.hasSystemFeature(PackageManager.FEATURE_TELEPHONY)) {
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+ failureDescription = context.getString(R.string.compatibility_check_system_features_no_telephony)
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+ return false
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+ }
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+
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+ // We can check OMAPI UICC availability on R or later (if before R, we check OMAPI connectivity later)
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+ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R && !context.packageManager.hasSystemFeature(
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+ PackageManager.FEATURE_SE_OMAPI_UICC
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+ )) {
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+ failureDescription = context.getString(R.string.compatibility_check_system_features_no_omapi)
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+ return false
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+ }
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+
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+ return true
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+ }
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+}
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+
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+internal class OmapiConnCheck(private val context: Context): CompatibilityCheck(context) {
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+ override val title: String
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+ get() = context.getString(R.string.compatibility_check_omapi_connectivity)
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+ override val defaultDescription: String
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+ get() = context.getString(R.string.compatibility_check_omapi_connectivity_desc)
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+
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+ private suspend fun getSEService(): SEService = suspendCoroutine { cont ->
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+ var service: SEService? = null
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+ var resumed = false
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+ val resume = {
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+ if (!resumed && service != null) {
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+ cont.resume(service!!)
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+ resumed = true
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+ }
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+ }
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+ service = SEService(context, { it.run() }, { resume() })
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+ Thread.sleep(1000)
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+ resume()
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+ }
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+
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+ override suspend fun doCheck(): Boolean {
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+ val seService = getSEService()
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+ if (!seService.isConnected) {
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+ failureDescription = context.getString(R.string.compatibility_check_omapi_connectivity_fail)
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+ return false
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+ }
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+
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+ val tm = context.getSystemService(TelephonyManager::class.java)
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+ val simReaders = seService.readers.filter { it.name.startsWith("SIM") }
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+ if (simReaders.size < tm.activeModemCountCompat) {
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+ failureDescription = context.getString(R.string.compatibility_check_omapi_connectivity_fail_sim_number,
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+ simReaders.map { (it.name.replace("SIM", "").toIntOrNull() ?: 1) - 1 }
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+ .joinToString(", "))
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+ return false
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+ }
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+
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+ return true
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+ }
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+}
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+
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+internal class KnownBrokenCheck(private val context: Context): CompatibilityCheck(context) {
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+ companion object {
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+ val BROKEN_MANUFACTURERS = arrayOf("xiaomi")
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+ }
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+
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+ override val title: String
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+ get() = context.getString(R.string.compatibility_check_known_broken)
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+ override val defaultDescription: String
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+ get() = context.getString(R.string.compatibility_check_known_broken_desc)
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+
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+ init {
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+ failureDescription = context.getString(R.string.compatibility_check_known_broken_fail)
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+ }
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+
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+ override suspend fun doCheck(): Boolean =
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+ Build.MANUFACTURER.lowercase() !in BROKEN_MANUFACTURERS
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+}
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Peter Cai