From 5e66d99c852ea67a88b650c03b0e8d55e83eccde Mon Sep 17 00:00:00 2001
From: Harsh Shandilya <me@msfjarvis.dev>
Date: Sat, 5 Dec 2020 06:07:18 +0530
Subject: Refactor package structure (#1233)

* idea: default test runner to Gradle

* Kick off package structure revamp

* Reparent all classes under dev.msfjarvis.aps

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
---
 .../dev/msfjarvis/aps/util/proxy/ProxyUtils.kt     | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 app/src/main/java/dev/msfjarvis/aps/util/proxy/ProxyUtils.kt

(limited to 'app/src/main/java/dev/msfjarvis/aps/util/proxy/ProxyUtils.kt')

diff --git a/app/src/main/java/dev/msfjarvis/aps/util/proxy/ProxyUtils.kt b/app/src/main/java/dev/msfjarvis/aps/util/proxy/ProxyUtils.kt
new file mode 100644
index 00000000..f3dae627
--- /dev/null
+++ b/app/src/main/java/dev/msfjarvis/aps/util/proxy/ProxyUtils.kt
@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package dev.msfjarvis.aps.util.proxy
+
+import dev.msfjarvis.aps.util.settings.GitSettings
+import java.io.IOException
+import java.net.Authenticator
+import java.net.InetSocketAddress
+import java.net.PasswordAuthentication
+import java.net.Proxy
+import java.net.ProxySelector
+import java.net.SocketAddress
+import java.net.URI
+
+/**
+ * Utility class for [Proxy] handling.
+ */
+object ProxyUtils {
+
+    private const val HTTP_PROXY_USER_PROPERTY = "http.proxyUser"
+    private const val HTTP_PROXY_PASSWORD_PROPERTY = "http.proxyPassword"
+
+    /**
+     * Set the default [Proxy] and [Authenticator] for the app based on user provided settings.
+     */
+    fun setDefaultProxy() {
+        ProxySelector.setDefault(object : ProxySelector() {
+            override fun select(uri: URI?): MutableList<Proxy> {
+                val host = GitSettings.proxyHost
+                val port = GitSettings.proxyPort
+                return if (host == null || port == -1) {
+                    mutableListOf(Proxy.NO_PROXY)
+                } else {
+                    mutableListOf(Proxy(Proxy.Type.HTTP, InetSocketAddress.createUnresolved(host, port)))
+                }
+            }
+
+            override fun connectFailed(uri: URI?, sa: SocketAddress?, ioe: IOException?) {
+                if (uri == null || sa == null || ioe == null) {
+                    throw IllegalArgumentException("Arguments can't be null.")
+                }
+            }
+        })
+        val user = GitSettings.proxyUsername ?: ""
+        val password = GitSettings.proxyPassword ?: ""
+        if (user.isEmpty() || password.isEmpty()) {
+            System.clearProperty(HTTP_PROXY_USER_PROPERTY)
+            System.clearProperty(HTTP_PROXY_PASSWORD_PROPERTY)
+        } else {
+            System.setProperty(HTTP_PROXY_USER_PROPERTY, user)
+            System.setProperty(HTTP_PROXY_PASSWORD_PROPERTY, password)
+        }
+        Authenticator.setDefault(object : Authenticator() {
+            override fun getPasswordAuthentication(): PasswordAuthentication? {
+                return if (requestorType == RequestorType.PROXY) {
+                    PasswordAuthentication(user, password.toCharArray())
+                } else {
+                    null
+                }
+            }
+        })
+    }
+}
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