what-the-bank/sources/io/grpc/internal/ProxyDetectorImpl.java

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2024-07-27 18:17:47 +07:00
package io.grpc.internal;
import com.google.common.base.Preconditions;
import com.google.common.base.Supplier;
import io.grpc.HttpConnectProxiedSocketAddress;
import io.grpc.ProxiedSocketAddress;
import io.grpc.ProxyDetector;
import java.io.IOException;
import java.net.Authenticator;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.PasswordAuthentication;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.SocketAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/* loaded from: classes6.dex */
class ProxyDetectorImpl implements ProxyDetector {
@Deprecated
private static final String GRPC_PROXY_ENV_VAR = "GRPC_PROXY_EXP";
static final String PROXY_SCHEME = "https";
private final AuthenticationProvider authenticationProvider;
private final InetSocketAddress overrideProxyAddress;
private final Supplier<ProxySelector> proxySelector;
private static final Logger log = Logger.getLogger(ProxyDetectorImpl.class.getName());
private static final AuthenticationProvider DEFAULT_AUTHENTICATOR = new AuthenticationProvider() { // from class: io.grpc.internal.ProxyDetectorImpl.1
@Override // io.grpc.internal.ProxyDetectorImpl.AuthenticationProvider
public PasswordAuthentication requestPasswordAuthentication(String str, InetAddress inetAddress, int i, String str2, String str3, String str4) {
URL url;
try {
url = new URL(str2, str, i, "");
} catch (MalformedURLException unused) {
ProxyDetectorImpl.log.log(Level.WARNING, String.format("failed to create URL for Authenticator: %s %s", str2, str));
url = null;
}
return Authenticator.requestPasswordAuthentication(str, inetAddress, i, str2, str3, str4, url, Authenticator.RequestorType.PROXY);
}
};
private static final Supplier<ProxySelector> DEFAULT_PROXY_SELECTOR = new Supplier<ProxySelector>() { // from class: io.grpc.internal.ProxyDetectorImpl.2
@Override // com.google.common.base.Supplier
public ProxySelector get() {
return ProxySelector.getDefault();
}
};
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes6.dex */
public interface AuthenticationProvider {
PasswordAuthentication requestPasswordAuthentication(String str, InetAddress inetAddress, int i, String str2, String str3, String str4);
}
public ProxyDetectorImpl() {
this(DEFAULT_PROXY_SELECTOR, DEFAULT_AUTHENTICATOR, System.getenv(GRPC_PROXY_ENV_VAR));
}
ProxyDetectorImpl(Supplier<ProxySelector> supplier, AuthenticationProvider authenticationProvider, String str) {
this.proxySelector = (Supplier) Preconditions.checkNotNull(supplier);
this.authenticationProvider = (AuthenticationProvider) Preconditions.checkNotNull(authenticationProvider);
this.overrideProxyAddress = str != null ? overrideProxy(str) : null;
}
@Override // io.grpc.ProxyDetector
public ProxiedSocketAddress proxyFor(SocketAddress socketAddress) throws IOException {
if (!(socketAddress instanceof InetSocketAddress)) {
return null;
}
if (this.overrideProxyAddress != null) {
return HttpConnectProxiedSocketAddress.newBuilder().setProxyAddress(this.overrideProxyAddress).setTargetAddress((InetSocketAddress) socketAddress).build();
}
return detectProxy((InetSocketAddress) socketAddress);
}
private ProxiedSocketAddress detectProxy(InetSocketAddress inetSocketAddress) throws IOException {
try {
URI uri = new URI(PROXY_SCHEME, null, GrpcUtil.getHost(inetSocketAddress), inetSocketAddress.getPort(), null, null, null);
ProxySelector proxySelector = this.proxySelector.get();
if (proxySelector == null) {
log.log(Level.FINE, "proxy selector is null, so continuing without proxy lookup");
return null;
}
List<Proxy> select = proxySelector.select(uri);
if (select.size() > 1) {
log.warning("More than 1 proxy detected, gRPC will select the first one");
}
Proxy proxy = select.get(0);
if (proxy.type() == Proxy.Type.DIRECT) {
return null;
}
InetSocketAddress inetSocketAddress2 = (InetSocketAddress) proxy.address();
PasswordAuthentication requestPasswordAuthentication = this.authenticationProvider.requestPasswordAuthentication(GrpcUtil.getHost(inetSocketAddress2), inetSocketAddress2.getAddress(), inetSocketAddress2.getPort(), PROXY_SCHEME, "", null);
if (inetSocketAddress2.isUnresolved()) {
inetSocketAddress2 = new InetSocketAddress(InetAddress.getByName(inetSocketAddress2.getHostName()), inetSocketAddress2.getPort());
}
HttpConnectProxiedSocketAddress.Builder proxyAddress = HttpConnectProxiedSocketAddress.newBuilder().setTargetAddress(inetSocketAddress).setProxyAddress(inetSocketAddress2);
if (requestPasswordAuthentication == null) {
return proxyAddress.build();
}
return proxyAddress.setUsername(requestPasswordAuthentication.getUserName()).setPassword(requestPasswordAuthentication.getPassword() != null ? new String(requestPasswordAuthentication.getPassword()) : null).build();
} catch (URISyntaxException e) {
log.log(Level.WARNING, "Failed to construct URI for proxy lookup, proceeding without proxy", (Throwable) e);
return null;
}
}
private static InetSocketAddress overrideProxy(String str) {
if (str == null) {
return null;
}
String[] split = str.split(":", 2);
int parseInt = split.length > 1 ? Integer.parseInt(split[1]) : 80;
log.warning("Detected GRPC_PROXY_EXP and will honor it, but this feature will be removed in a future release. Use the JVM flags \"-Dhttps.proxyHost=HOST -Dhttps.proxyPort=PORT\" to set the https proxy for this JVM.");
return new InetSocketAddress(split[0], parseInt);
}
}