Convert five AsyncTasks to Kotlin. https://redmine.stoutner.com/issues/931

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / coroutines / GetHostIpAddressesCoroutine.kt

diff --git a/app/src/main/java/com/stoutner/privacybrowser/coroutines/GetHostIpAddressesCoroutine.kt b/app/src/main/java/com/stoutner/privacybrowser/coroutines/GetHostIpAddressesCoroutine.kt
new file mode 100644 (file)
index 0000000..cc10176
--- /dev/null
+++ b/app/src/main/java/com/stoutner/privacybrowser/coroutines/GetHostIpAddressesCoroutine.kt
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2019,2021-2022 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
+ *
+ * Privacy Browser Android 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 Android 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 Android.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.coroutines
+
+import androidx.fragment.app.FragmentManager
+import com.stoutner.privacybrowser.helpers.CheckPinnedMismatchHelper
+import com.stoutner.privacybrowser.views.NestedScrollWebView
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+import java.lang.StringBuilder
+import java.net.InetAddress
+import java.net.UnknownHostException
+
+object GetHostIpAddressesCoroutine {
+    @JvmStatic
+    fun getAddresses(domainName: String, nestedScrollWebView: NestedScrollWebView, supportFragmentManager: FragmentManager, pinnedMismatchString: String) {
+        // Get the IP addresses using a coroutine.
+        CoroutineScope(Dispatchers.Main).launch {
+            // Get the IP addresses on the IO thread.
+            withContext(Dispatchers.IO) {
+                // Get an array with the IP addresses for the host.
+                try {
+                    // Initialize an IP address string builder.
+                    val ipAddresses = StringBuilder()
+
+                    // Get an array with all the IP addresses for the domain.
+                    val inetAddressesArray = InetAddress.getAllByName(domainName)
+
+                    // Add each IP address to the string builder.
+                    for (inetAddress in inetAddressesArray) {
+                        // Add a line break to the string builder if this is not the first IP address.
+                        if (ipAddresses.isNotEmpty()) {
+                            ipAddresses.append("\n")
+                        }
+
+                        // Add the IP address to the string builder.
+                        ipAddresses.append(inetAddress.hostAddress)
+                    }
+
+                    // Store the IP addresses.
+                    nestedScrollWebView.currentIpAddresses = ipAddresses.toString()
+                } catch (exception: UnknownHostException) {
+                    // Do nothing.
+                }
+            }
+        }
+
+        // Checked for pinned mismatches if there is pinned information and it is not ignored.
+        if ((nestedScrollWebView.hasPinnedSslCertificate() || nestedScrollWebView.pinnedIpAddresses != "") && !nestedScrollWebView.ignorePinnedDomainInformation) {
+            CheckPinnedMismatchHelper.checkPinnedMismatch(nestedScrollWebView, supportFragmentManager, pinnedMismatchString)
+        }
+    }
+}