--- /dev/null
+/*
+ * Copyright © 2017-2020 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser 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.
+ *
+ * Privacy Browser 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 Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.stoutner.privacybrowser.dialogs
+
+import android.annotation.SuppressLint
+import android.app.Dialog
+import android.content.DialogInterface
+import android.content.res.Configuration
+import android.os.Bundle
+import android.text.SpannableStringBuilder
+import android.text.Spanned
+import android.text.style.ForegroundColorSpan
+import android.view.KeyEvent
+import android.view.View
+import android.view.WindowManager
+import android.webkit.HttpAuthHandler
+import android.widget.EditText
+import android.widget.TextView
+
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import androidx.preference.PreferenceManager
+
+import com.stoutner.privacybrowser.R
+import com.stoutner.privacybrowser.activities.MainWebViewActivity
+import com.stoutner.privacybrowser.views.NestedScrollWebView
+
+// Declare the class constants.
+private const val HOST = "host"
+private const val REALM = "realm"
+private const val WEBVIEW_FRAGMENT_ID = "webview_fragment_id"
+
+class HttpAuthenticationDialog: DialogFragment() {
+ // Define the class variables.
+ private var dismissDialog: Boolean = false
+
+ // Define the class views.
+ private lateinit var usernameEditText: EditText
+ private lateinit var passwordEditText: EditText
+
+ companion object {
+ // `@JvmStatic` will no longer be required once all the code has transitioned to Kotlin. Also, the function can then be moved out of a companion object and just become a package-level function.
+ @JvmStatic
+ fun displayDialog(host: String, realm: String, webViewFragmentId: Long): HttpAuthenticationDialog {
+ // Create an arguments bundle.
+ val argumentsBundle = Bundle()
+
+ // Store the variables in the bundle.
+ argumentsBundle.putString(HOST, host)
+ argumentsBundle.putString(REALM, realm)
+ argumentsBundle.putLong(WEBVIEW_FRAGMENT_ID, webViewFragmentId)
+
+ // Create a new instance of the HTTP authentication dialog.
+ val httpAuthenticationDialog = HttpAuthenticationDialog()
+
+ // Add the arguments bundle to the dialog.
+ httpAuthenticationDialog.arguments = argumentsBundle
+
+ // Return the new dialog.
+ return httpAuthenticationDialog
+ }
+ }
+
+ // `@SuppressLint("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
+ override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+ // Get a handle for the arguments.
+ val arguments = requireArguments()
+
+ // Get the variables from the bundle.
+ val httpAuthHost = arguments.getString(HOST)
+ val httpAuthRealm = arguments.getString(REALM)
+ val webViewFragmentId = arguments.getLong(WEBVIEW_FRAGMENT_ID)
+
+ // Try to populate the alert dialog.
+ try { // Getting the WebView tab fragment will fail if Privacy Browser has been restarted.
+ // Get the current position of this WebView fragment.
+ val webViewPosition = MainWebViewActivity.webViewPagerAdapter.getPositionForId(webViewFragmentId)
+
+ // Get the WebView tab fragment.
+ val webViewTabFragment = MainWebViewActivity.webViewPagerAdapter.getPageFragment(webViewPosition)
+
+ // Get the fragment view.
+ val fragmentView = webViewTabFragment.requireView()
+
+ // Get a handle for the current WebView.
+ val nestedScrollWebView = fragmentView.findViewById<NestedScrollWebView>(R.id.nestedscroll_webview)
+
+ // Get a handle for the HTTP authentication handler.
+ val httpAuthHandler = nestedScrollWebView.httpAuthHandler
+
+ // Use an alert dialog builder to create the alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireActivity(), R.style.PrivacyBrowserAlertDialog)
+
+ // Get the current theme status.
+ val currentThemeStatus = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK
+
+ // Set the icon according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ dialogBuilder.setIcon(R.drawable.lock_day)
+ } else {
+
+ dialogBuilder.setIcon(R.drawable.lock_night)
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.http_authentication)
+
+ // Get the activity's layout inflater.
+ val layoutInflater = requireActivity().layoutInflater
+
+ // Set the layout. The parent view is `null` because it will be assigned by the alert dialog.
+ dialogBuilder.setView(layoutInflater.inflate(R.layout.http_authentication_dialog, null))
+
+ // Set the close button listener.
+ dialogBuilder.setNegativeButton(R.string.close) { _: DialogInterface?, _: Int ->
+ // Cancel the HTTP authentication request.
+ httpAuthHandler.cancel()
+
+ // Reset the HTTP authentication handler.
+ nestedScrollWebView.resetHttpAuthHandler()
+ }// Set the proceed button listener.
+ dialogBuilder.setPositiveButton(R.string.proceed) { _: DialogInterface?, _: Int ->
+ // Send the login information
+ login(httpAuthHandler)
+
+ // Reset the HTTP authentication handler.
+ nestedScrollWebView.resetHttpAuthHandler()
+ }
+
+ // Create an alert dialog from the alert dialog builder.
+ val alertDialog = dialogBuilder.create()
+
+ // Get the alert dialog window.
+ val dialogWindow = alertDialog.window!!
+
+ // Get a handle for the shared preferences.
+ val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+
+ // Get the screenshot preference.
+ val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false)
+
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ alertDialog.window!!.addFlags(WindowManager.LayoutParams.FLAG_SECURE)
+ }
+
+ // Display the keyboard.
+ dialogWindow.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE)
+
+ // The alert dialog needs to be shown before the contents can be modified.
+ alertDialog.show()
+
+ // Get handles for the views.
+ val realmTextView = alertDialog.findViewById<TextView>(R.id.http_authentication_realm)!!
+ val hostTextView = alertDialog.findViewById<TextView>(R.id.http_authentication_host)!!
+ usernameEditText = alertDialog.findViewById(R.id.http_authentication_username)!!
+ passwordEditText = alertDialog.findViewById(R.id.http_authentication_password)!!
+
+ // Set the realm text.
+ realmTextView.text = httpAuthRealm
+
+ // Initialize the host label and the spannable string builder.
+ val hostLabel = getString(R.string.host) + " "
+ val hostStringBuilder = SpannableStringBuilder(hostLabel + httpAuthHost)
+
+ // Create a blue foreground color span.
+ val blueColorSpan: ForegroundColorSpan
+
+ // Set the blue color span according to the theme. The deprecated `getColor()` must be used until API >= 23.
+ blueColorSpan = if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ @Suppress("DEPRECATION")
+ ForegroundColorSpan(resources.getColor(R.color.blue_700))
+ } else {
+ @Suppress("DEPRECATION")
+ ForegroundColorSpan(resources.getColor(R.color.violet_500))
+ }
+
+ // Setup the span to display the host name in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
+ hostStringBuilder.setSpan(blueColorSpan, hostLabel.length, hostStringBuilder.length, Spanned.SPAN_INCLUSIVE_INCLUSIVE)
+
+ // Set the host text.
+ hostTextView.text = hostStringBuilder
+
+ // Allow the enter key on the keyboard to send the login information from the username edit text.
+ usernameEditText.setOnKeyListener { _: View?, keyCode: Int, event: KeyEvent ->
+ // Check the key code and event.
+ if (keyCode == KeyEvent.KEYCODE_ENTER && event.action == KeyEvent.ACTION_DOWN) { // The enter key was pressed.
+ // Send the login information.
+ login(httpAuthHandler)
+
+ // Manually dismiss the alert dialog.
+ alertDialog.dismiss()
+
+ // Consume the event.
+ return@setOnKeyListener true
+ } else { // If any other key was pressed, do not consume the event.
+ return@setOnKeyListener false
+ }
+ }
+
+ // Allow the enter key on the keyboard to send the login information from the password edit text.
+ passwordEditText.setOnKeyListener { _: View?, keyCode: Int, event: KeyEvent ->
+ // Check the key code and event.
+ if (keyCode == KeyEvent.KEYCODE_ENTER && event.action == KeyEvent.ACTION_DOWN) { // The enter key was pressed.
+ // Send the login information.
+ login(httpAuthHandler)
+
+ // Manually dismiss the alert dialog.
+ alertDialog.dismiss()
+
+ // Consume the event.
+ return@setOnKeyListener true
+ } else { // If any other key was pressed, do not consume the event.
+ return@setOnKeyListener false
+ }
+ }
+
+ // Return the alert dialog.
+ return alertDialog
+ } catch (exception: Exception) { // Privacy Browser was restarted and the HTTP auth handler no longer exists.
+ // Use an alert dialog builder to create an empty alert dialog.
+ val dialogBuilder = AlertDialog.Builder(requireActivity(), R.style.PrivacyBrowserAlertDialog)
+
+ // Create an empty alert dialog from the alert dialog builder.
+ val alertDialog = dialogBuilder.create()
+
+ // Set the flag to dismiss the dialog as soon as it is resumed.
+ dismissDialog = true
+
+ // Return the alert dialog.
+ return alertDialog
+ }
+ }
+
+ override fun onResume() {
+ // Run the default command.
+ super.onResume()
+
+ // Dismiss the alert dialog if the activity was restarted and the HTTP auth handler no longer exists.
+ if (dismissDialog) {
+ dialog!!.dismiss()
+ }
+ }
+
+ private fun login(httpAuthHandler: HttpAuthHandler) {
+ // Send the login information.
+ httpAuthHandler.proceed(usernameEditText.text.toString(), passwordEditText.text.toString())
+ }
+}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff