Integrated Windows authentication

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Connect to an IWA secured Portal and search for maps.

Image of integrated windows authentication

Use case

Your organization might use Integrated Windows Authentication (IWA) to secure ArcGIS Enterprise. This can be useful because the same credentials used to log into your work computer and network can be used to authenticate with ArcGIS. IWA is built into Microsoft Internet Information Server (IIS) and works well for intranet applications but isn't always practical for internet apps.

How to use the sample

Enter the URL to your IWA-secured portal. Tap the button to search for web maps stored on the portal. You will be prompted for a user name, password, and domain. If you authenticate successfully, portal item results will display in the list. Select a web map item to display it in the map view.

How it works

  1. The AuthenticationManager object is configured with a challenge handler that will prompt for a Windows login (username, password, and domain) if a secure resource is encountered.
  2. When a search for portal items is performed against an IWA-secured portal, the challenge handler creates an UserCredential object from the information entered by the user.
  3. If the user authenticates, the search returns a list of web map PortalItems and the user can select one to display as an ArcGISMap.

Relevant API

  • UserCredential
  • Portal
  • AuthenticationManager

About the data

This sample searches for web map portal items on a secure portal. To successfully run the sample, you need:

  • Access to a portal secured with Integrated Windows Authentication that contains one or more web map items.
  • A login that grants you access to the portal.

Additional information

More information about IWA and its use with ArcGIS can be found at the following links:

Tags

authentication, security, Windows

Sample Code

MainActivity.ktPortalItemAdapter.kt
                                                                                                                                                                                                                                                  
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/*
 * Copyright 2019 Esri
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.esri.arcgisruntime.sample.integratedwindowsauthentication

import android.os.Bundle
import android.util.Log
import android.util.Patterns
import android.view.View
import android.widget.*
import androidx.appcompat.app.AppCompatActivity
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.recyclerview.widget.RecyclerView
import com.esri.arcgisruntime.ArcGISRuntimeEnvironment
import com.esri.arcgisruntime.loadable.LoadStatus
import com.esri.arcgisruntime.mapping.ArcGISMap
import com.esri.arcgisruntime.mapping.BasemapStyle
import com.esri.arcgisruntime.mapping.view.MapView
import com.esri.arcgisruntime.portal.Portal
import com.esri.arcgisruntime.portal.PortalItem
import com.esri.arcgisruntime.portal.PortalQueryParameters
import com.esri.arcgisruntime.sample.integratedwindowsauthentication.databinding.ActivityMainBinding
import com.esri.arcgisruntime.security.*
import com.esri.arcgisruntime.security.AuthenticationManager
import com.esri.arcgisruntime.security.DefaultAuthenticationChallengeHandler
import java.net.URI

class MainActivity : AppCompatActivity(),
    PortalItemAdapter.OnItemClickListener {

    private lateinit var portalItemAdapter: PortalItemAdapter

    // objects that implement Loadable must be class fields to prevent being garbage collected before loading
    private lateinit var portal: Portal


    private val TAG: String = MainActivity::class.java.simpleName

    private val MAX_AUTH_ATTEMPTS = 5

    private val activityMainBinding by lazy {
        ActivityMainBinding.inflate(layoutInflater)
    }

    private val mapView: MapView by lazy {
        activityMainBinding.mapView
    }

    private val searchPublicButton: Button by lazy {
        activityMainBinding.portalInfo.searchPublicButton
    }

    private val searchSecureButton: Button by lazy {
        activityMainBinding.portalInfo.searchSecureButton
    }

    private val portalUrlEditText: EditText by lazy {
        activityMainBinding.portalInfo.portalUrlEditText
    }

    private val recyclerView: RecyclerView by lazy {
        activityMainBinding.portalInfo.recyclerView
    }

    private val loadedWebMapTextView: TextView by lazy {
        activityMainBinding.portalInfo.loadedWebMapTextView
    }

    private val portalLoadStateTextView: TextView by lazy {
        activityMainBinding.portalInfo.portalLoadStateView.portalLoadStateTextView
    }

    private val portalLoadStateLayout: ConstraintLayout by lazy {
        activityMainBinding.portalInfo.portalLoadStateView.portalLoadStateLayout
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(activityMainBinding.root)

        // authentication with an API key or named user is required to access basemaps and other
        // location services
        ArcGISRuntimeEnvironment.setApiKey(BuildConfig.API_KEY)

        // Create a streets base map and set the map to the map view
        mapView.map = ArcGISMap(BasemapStyle.ARCGIS_STREETS)

        // Set authentication challenge handler
        AuthenticationManager.setAuthenticationChallengeHandler(
            DefaultAuthenticationChallengeHandler(this)
        )

        // Set up recycler view for listing portal items
        recyclerView.layoutManager = androidx.recyclerview.widget.LinearLayoutManager(this)
        PortalItemAdapter(this).let {
            this.portalItemAdapter = it
            recyclerView.adapter = it
        }

        searchPublicButton.setOnClickListener {
            portal = Portal(getString(R.string.arcgis_url))
            // Search the the public ArcGIS portal
            searchPortal(portal)
        }

        searchSecureButton.setOnClickListener {
            // Get the string entered for the secure portal URL.
            portalUrlEditText.text?.toString()?.let {
                // If the entered URL is a valid URL
                if (Patterns.WEB_URL.matcher(it).matches()) {
                    portal = Portal(portalUrlEditText.text.toString(), true)
                    searchPortal(portal)
                } else {
                    getString(R.string.error_portal_url).let { errorString ->
                        Toast.makeText(this, errorString, Toast.LENGTH_LONG).show()
                        Log.e(TAG, errorString)
                    }
                }
            }
        }
    }

    private fun searchPortal(portal: Portal) {
        // Hide portal list during search
        recyclerView.visibility = View.INVISIBLE

        // Show portal load state during search
        portalLoadStateLayout.visibility = View.VISIBLE
        portalLoadStateTextView.text = getString(R.string.portal_load_state_searching, portal.uri)

        // Add Runnable to execute when Portal has finished loading
        portal.addDoneLoadingListener {
            if (portal.loadStatus == LoadStatus.LOADED) {
                // Update load state in UI with the portal URI
                portalLoadStateTextView.text =
                    getString(R.string.portal_load_state_connected, URI(portal.uri).host)

                // Report the user name used for this connection.
                portal.user?.let {
                    portalLoadStateTextView.text = getString(
                        R.string.portal_user_connected,
                        if (it.username != null) it.username else getString(R.string.portal_user_anonymous)
                    )
                }

                // Search the portal for web maps
                portal.findItemsAsync(PortalQueryParameters("type:(\"web map\" NOT \"web mapping application\")"))
                    ?.let { portalItemResult ->
                        portalItemResult.addDoneListener {
                            try {
                                portalItemResult.get()?.results?.let { portalItemSetResults ->
                                    portalItemAdapter.updatePortalItems(portalItemSetResults)
                                }
                            } catch (exception: Exception) {
                                getString(R.string.error_item_set, exception.message
                                ).let {
                                    Toast.makeText(this, it, Toast.LENGTH_LONG).show()
                                    Log.e(TAG, it)
                                }
                            }
                            // Hide portal load state
                            portalLoadStateLayout.visibility = View.GONE
                            // Show portal list
                            recyclerView.visibility = View.VISIBLE
                        }
                    }
            } else {
                // Report error
                portal.loadError?.let { loadError ->
                    (getString(
                        R.string.error_portal_sign_in_failed,
                        loadError.cause?.message
                    )).let { errorString ->
                        Toast.makeText(this, errorString, Toast.LENGTH_LONG).show()
                        Log.e(TAG, errorString)
                    }
                }
                // Hide portal load state
                portalLoadStateLayout.visibility = View.GONE
            }
        }

        // Load portal asynchronously
        portal.loadAsync()
    }

    /**

     * Add the given portal item to a new map and set the map to the map view.
     *
     * @param portalItem
     */
    private fun addMap(portalItem: PortalItem) {
        // Report error and return if portal is null
        if (portalItem.portal == null) {
            getString(R.string.error_portal_not_instantiated).let { error ->
                Toast.makeText(this, error, Toast.LENGTH_LONG).show()
                Log.e(TAG, error)
            }
            return
        }
        // Create a map using the web map (portal item) and add it to the map view
        mapView.map = ArcGISMap(portalItem)
        // Show item ID in UI
        loadedWebMapTextView.text = getString(R.string.web_map_loaded_text, portalItem.itemId)
    }



    override fun onPortalItemClick(portalItem: PortalItem) {
        addMap(portalItem)
    }

    override fun onResume() {
        super.onResume()
        mapView.resume()
    }

    override fun onPause() {
        mapView.pause()
        super.onPause()
    }

    override fun onDestroy() {
        mapView.dispose()
        super.onDestroy()
    }
}

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