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The Qbicc builder for the java.base JDK module
/*
* Copyright (c) 2003, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.net.spi;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import java.io.IOException;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.StringJoiner;
import java.util.regex.Pattern;
import java.util.stream.Stream;
import sun.net.NetProperties;
import sun.net.SocksProxy;
import static java.util.regex.Pattern.quote;
import static java.util.stream.Collectors.collectingAndThen;
import static java.util.stream.Collectors.toList;
/**
* Supports proxy settings using system properties This proxy selector
* provides backward compatibility with the old http protocol handler
* as far as how proxy is set
*
* Most of the implementation copied from the old http protocol handler
*
* Supports http/https/ftp.proxyHost, http/https/ftp.proxyPort,
* proxyHost, proxyPort, and http/https/ftp.nonProxyHost, and socks.
*/
public class DefaultProxySelector extends ProxySelector {
/**
* This is where we define all the valid System Properties we have to
* support for each given protocol.
* The format of this 2 dimensional array is :
* - 1 row per protocol (http, ftp, ...)
* - 1st element of each row is the protocol name
* - subsequent elements are prefixes for Host & Port properties
* listed in order of priority.
* Example:
* {"ftp", "ftp.proxy", "ftpProxy", "proxy", "socksProxy"},
* means for FTP we try in that oder:
* + ftp.proxyHost & ftp.proxyPort
* + ftpProxyHost & ftpProxyPort
* + proxyHost & proxyPort
* + socksProxyHost & socksProxyPort
*
* Note that the socksProxy should *always* be the last on the list
*/
static final String[][] props = {
/*
* protocol, Property prefix 1, Property prefix 2, ...
*/
{"http", "http.proxy", "proxy", "socksProxy"},
{"https", "https.proxy", "proxy", "socksProxy"},
{"ftp", "ftp.proxy", "ftpProxy", "proxy", "socksProxy"},
{"socket", "socksProxy"}
};
private static final String SOCKS_PROXY_VERSION = "socksProxyVersion";
private static boolean hasSystemProxies = false;
private static final List NO_PROXY_LIST = List.of(Proxy.NO_PROXY);
static {
final String key = "java.net.useSystemProxies";
@SuppressWarnings("removal")
Boolean b = AccessController.doPrivileged(
new PrivilegedAction() {
public Boolean run() {
return NetProperties.getBoolean(key);
}});
if (b != null && b.booleanValue()) {
jdk.internal.loader.BootLoader.loadLibrary("net");
hasSystemProxies = init();
}
}
@SuppressWarnings("removal")
public static int socksProxyVersion() {
return AccessController.doPrivileged(
new PrivilegedAction() {
@Override public Integer run() {
return NetProperties.getInteger(SOCKS_PROXY_VERSION, 5);
}
});
}
/**
* How to deal with "non proxy hosts":
* since we do have to generate a pattern we don't want to do that if
* it's not necessary. Therefore we do cache the result, on a per-protocol
* basis, and change it only when the "source", i.e. the system property,
* did change.
*/
static class NonProxyInfo {
// Default value for nonProxyHosts, this provides backward compatibility
// by excluding localhost and its litteral notations.
static final String defStringVal = "localhost|127.*|[::1]|0.0.0.0|[::0]";
String hostsSource;
Pattern pattern;
final String property;
final String defaultVal;
static NonProxyInfo ftpNonProxyInfo = new NonProxyInfo("ftp.nonProxyHosts", null, null, defStringVal);
static NonProxyInfo httpNonProxyInfo = new NonProxyInfo("http.nonProxyHosts", null, null, defStringVal);
static NonProxyInfo socksNonProxyInfo = new NonProxyInfo("socksNonProxyHosts", null, null, defStringVal);
NonProxyInfo(String p, String s, Pattern pattern, String d) {
property = p;
hostsSource = s;
this.pattern = pattern;
defaultVal = d;
}
}
/**
* select() method. Where all the hard work is done.
* Build a list of proxies depending on URI.
* Since we're only providing compatibility with the system properties
* from previous releases (see list above), that list will typically
* contain one single proxy, default being NO_PROXY.
* If we can get a system proxy it might contain more entries.
*/
public java.util.List select(URI uri) {
if (uri == null) {
throw new IllegalArgumentException("URI can't be null.");
}
String protocol = uri.getScheme();
String host = uri.getHost();
if (host == null) {
// This is a hack to ensure backward compatibility in two
// cases: 1. hostnames contain non-ascii characters,
// internationalized domain names. in which case, URI will
// return null, see BugID 4957669; 2. Some hostnames can
// contain '_' chars even though it's not supposed to be
// legal, in which case URI will return null for getHost,
// but not for getAuthority() See BugID 4913253
String auth = uri.getAuthority();
if (auth != null) {
int i;
i = auth.indexOf('@');
if (i >= 0) {
auth = auth.substring(i+1);
}
i = auth.lastIndexOf(':');
if (i >= 0) {
auth = auth.substring(0,i);
}
host = auth;
}
}
if (protocol == null || host == null) {
throw new IllegalArgumentException("protocol = "+protocol+" host = "+host);
}
NonProxyInfo pinfo = null;
if ("http".equalsIgnoreCase(protocol)) {
pinfo = NonProxyInfo.httpNonProxyInfo;
} else if ("https".equalsIgnoreCase(protocol)) {
// HTTPS uses the same property as HTTP, for backward
// compatibility
pinfo = NonProxyInfo.httpNonProxyInfo;
} else if ("ftp".equalsIgnoreCase(protocol)) {
pinfo = NonProxyInfo.ftpNonProxyInfo;
} else if ("socket".equalsIgnoreCase(protocol)) {
pinfo = NonProxyInfo.socksNonProxyInfo;
}
/**
* Let's check the System properties for that protocol
*/
final String proto = protocol;
final NonProxyInfo nprop = pinfo;
final String urlhost = host.toLowerCase();
/**
* This is one big doPrivileged call, but we're trying to optimize
* the code as much as possible. Since we're checking quite a few
* System properties it does help having only 1 call to doPrivileged.
* Be mindful what you do in here though!
*/
@SuppressWarnings("removal")
Proxy[] proxyArray = AccessController.doPrivileged(
new PrivilegedAction() {
public Proxy[] run() {
int i, j;
String phost = null;
int pport = 0;
String nphosts = null;
InetSocketAddress saddr = null;
// Then let's walk the list of protocols in our array
for (i=0; i © 2015 - 2025 Weber Informatics LLC | Privacy Policy