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@RobertApikyan
Created May 31, 2023 15:48
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package global.raiser.app.plugins.msal
import android.app.Activity
import com.microsoft.identity.client.AuthenticationCallback
import com.microsoft.identity.client.IAuthenticationResult
import com.microsoft.identity.client.IPublicClientApplication
import com.microsoft.identity.client.PublicClientApplication
import com.microsoft.identity.client.exception.MsalException
import global.raiser.app.R
import io.flutter.embedding.engine.plugins.FlutterPlugin
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.MethodChannel
class MsalPlugin(private val activity: Activity) : FlutterPlugin, MethodChannel.MethodCallHandler {
companion object {
const val NAME = "global.raiser/msal/methods"
const val CANCELLATION_ERROR_CODE = "-50005"
private val SCOPES = arrayOf("User.Read", "email")
}
private var methodChannel: MethodChannel? = null
private var _client: IPublicClientApplication? = null
override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
methodChannel = MethodChannel(binding.binaryMessenger, NAME)
methodChannel?.setMethodCallHandler(this)
}
override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) {
methodChannel?.setMethodCallHandler(null)
methodChannel = null
}
override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
when (call.method) {
"login" -> login(result)
}
}
private fun login(result: MethodChannel.Result) {
getMsalClient({ client ->
client.acquireToken(activity, SCOPES, object : AuthenticationCallback {
override fun onSuccess(authenticationResult: IAuthenticationResult) {
val data: Map<*, *> = mapOf("accessToken" to authenticationResult.accessToken,
"authenticationScheme" to authenticationResult.authenticationScheme,
"idToken" to authenticationResult.account.idToken)
result.success(data)
}
override fun onCancel() {
result.error(CANCELLATION_ERROR_CODE, "onCancel", null)
}
override fun onError(exception: MsalException) {
result.error(exception.errorCode, exception.message, exception.exceptionName)
}
})
}, { exception ->
result.error(exception.errorCode, exception.message, exception.exceptionName)
})
}
private fun getMsalClient(onCreated: (IPublicClientApplication) -> Unit, onError: (MsalException) -> Unit) {
_client?.let {
onCreated(it)
return
}
PublicClientApplication.create(activity, R.raw.auth_config_single_account,
object : IPublicClientApplication.ApplicationCreatedListener {
override fun onCreated(application: IPublicClientApplication) {
onCreated(application)
}
override fun onError(exception: MsalException) {
onError(exception)
}
}
)
}
}
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