From: Niki Roo <niki@nikiroo.be>
Date: Sun, 24 Mar 2019 17:29:01 +0000 (+0100)
Subject: Merge branch 'master' of github.com:nikiroo/nikiroo-utils
X-Git-Url: http://git.nikiroo.be/?p=nikiroo-utils.git;a=commitdiff_plain;h=5644a84eee241f6c831f06e0bbf29650f0b82cc2;hp=40fe10ff099d9dabce950f456e983cf75a31f06b

Merge branch 'master' of github.com:nikiroo/nikiroo-utils
---

diff --git a/changelog.md b/changelog.md
index 37cbe4b..1236039 100644
--- a/changelog.md
+++ b/changelog.md
@@ -5,6 +5,7 @@
 - Serial: fix b64/not b64 error
 - Serial: perf improvement
 - Base64: perf improvement
+- new: Proxy selector
 
 ## Version 4.5.1
 
diff --git a/src/be/nikiroo/utils/Proxy.java b/src/be/nikiroo/utils/Proxy.java
new file mode 100755
index 0000000..fa59c73
--- /dev/null
+++ b/src/be/nikiroo/utils/Proxy.java
@@ -0,0 +1,92 @@
+package be.nikiroo.utils;
+
+import java.net.Authenticator;
+import java.net.PasswordAuthentication;
+
+/**
+ * Simple proxy helper to select a default internet proxy.
+ * 
+ * @author niki
+ */
+public class Proxy {
+	/**
+	 * Use the system proxy.
+	 */
+	static public void useSystemProxy() {
+		useSystemProxy(null, null);
+	}
+
+	/**
+	 * Use the system proxy with the given login/password, for authenticated
+	 * proxies.
+	 * 
+	 * @param user
+	 *            the user name or login
+	 * @param password
+	 *            the password
+	 */
+	static public void useSystemProxy(String user, String password) {
+		System.setProperty("java.net.useSystemProxies", "true");
+		auth(user, password);
+	}
+
+	/**
+	 * Use the give proxy.
+	 * 
+	 * @param host
+	 *            the proxy host name or IP address
+	 * @param port
+	 *            the port to use
+	 */
+	static public void useProxy(String host, int port) {
+		useProxy(host, port, null, null);
+	}
+
+	/**
+	 * Use the given proxy with the given login/password, for authenticated
+	 * proxies.
+	 * 
+	 * @param user
+	 *            the user name or login
+	 * @param password
+	 *            the password
+	 * @param host
+	 *            the proxy host name or IP address
+	 * @param port
+	 *            the port to use
+	 * @param user
+	 *            the user name or login
+	 * @param password
+	 *            the password
+	 */
+	static public void useProxy(String host, int port, String user,
+			String password) {
+		System.setProperty("http.proxyHost", "proxy.stluc.ucl.ac.be");
+		System.setProperty("http.proxyPort", "8080");
+		auth(user, password);
+	}
+
+	/**
+	 * Select the default authenticator for proxy requests.
+	 * 
+	 * @param user
+	 *            the user name or login
+	 * @param password
+	 *            the password
+	 */
+	static private void auth(final String user, final String password) {
+		if (user != null && password != null) {
+			Authenticator proxy = new Authenticator() {
+				@Override
+				protected PasswordAuthentication getPasswordAuthentication() {
+					if (getRequestorType() == RequestorType.PROXY) {
+						return new PasswordAuthentication(user,
+								password.toCharArray());
+					}
+					return null;
+				}
+			};
+			Authenticator.setDefault(proxy);
+		}
+	}
+}