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如何使用 com.sun.net.httpserver.HttpsServer 要求客戶端證書

[英]How to require client certificate with com.sun.net.httpserver.HttpsServer

我想要求使用基於 Java 1.7 的內置HttpsServer的服務器進行客戶端證書身份驗證

我似乎找不到任何方法使服務器無法通過身份驗證。 無論其客戶端證書是可信的、未知的還是完全不存在的,它都可以愉快地向任何舊客戶端提供數據。

我對文檔的閱讀表明,當客戶端不受信任時, 設置 HttpsParameters.setNeedClientAuth(true)應該會導致身份驗證失敗。 我發現有類似問題的人的筆記,不同程度地建議在 SSLEngine 和 SSLParameters 中使用相同的標志,但都沒有改變我的行為。

這是我能夠創建的最簡單的示例。 查看事務的主要內容(使用 Wireshark 或 -Djavax.net.debug=all),我看不到任何看起來明顯像服務器發出的證書請求的東西......當然,這似乎很明顯,因為它在響應時不應該。

我對 Java 和 SSL 都比較陌生。 我誤解了身份驗證過程嗎? 我是否在適當的庫中使用? 我是否忽略了解決此問題的好方法? 謝謝!

編輯 1:更新示例代碼以正確分離客戶端密鑰庫和信任庫。 還改寫了問題,使身份驗證問題更加清晰。

package authserv;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.URL;
import java.security.KeyStore;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpsConfigurator;
import com.sun.net.httpserver.HttpsExchange;
import com.sun.net.httpserver.HttpsParameters;
import com.sun.net.httpserver.HttpsServer;

public class AuthServer {
    final static String SERVER_PWD = "aaaaaa";
    final static String KST_SERVER = "keys/server.jks";
    final static String TST_SERVER = "keys/servertrust.jks";

    public static HttpsServer server; 

    public static void main(String[] args) throws Exception {
        server = makeServer();
        server.start();
        //System.out.println("Server running, hit enter to stop.\n"); System.in.read();

        AuthClient cl = new AuthClient(); 
        cl.testIt();

        server.stop(0);
    }

    public static HttpsServer makeServer() throws Exception {
        server = HttpsServer.create(new InetSocketAddress(8888), 0);

        //server.setHttpsConfigurator(new HttpsConfigurator(SSLContext.getInstance("TLS"))); // Default config with no auth requirement.
        SSLContext sslCon = createSSLContext();
        MyConfigger authconf = new MyConfigger(sslCon);
        server.setHttpsConfigurator(authconf);

        server.createContext("/auth", new HelloHandler());
        return server;
    }
    private static SSLContext createSSLContext()  {
        SSLContext sslContext = null;
        KeyStore ks;
        KeyStore ts;

        try{
            sslContext = SSLContext.getInstance("TLS");

            ks = KeyStore.getInstance("JKS");
            ks.load(new FileInputStream(KST_SERVER), SERVER_PWD.toCharArray());
            KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
            kmf.init(ks, SERVER_PWD.toCharArray());

            ts = KeyStore.getInstance("JKS");
            ts.load(new FileInputStream(TST_SERVER), SERVER_PWD.toCharArray());
            TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
            tmf.init(ts);

            sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);


        } catch (Exception e) {
            e.printStackTrace();
        }       
        return sslContext;
    }
}

class MyConfigger extends HttpsConfigurator {
    public MyConfigger(SSLContext sslContext) {
        super(sslContext);  }

    @Override
    public  void configure(HttpsParameters params) {
        SSLContext sslContext = getSSLContext();
        SSLParameters  sslParams = sslContext.getDefaultSSLParameters();
        sslParams.setNeedClientAuth(true); 
        params.setNeedClientAuth(true);  
        params.setSSLParameters(sslParams);
        super.configure(params);
    /* Other configure options that don't seem to help:
        SSLEngine engine = sslContext.createSSLEngine ();
        engine.setNeedClientAuth(true);
        params.setCipherSuites ( engine.getEnabledCipherSuites () );
        params.setProtocols ( engine.getEnabledProtocols () );  
     */ 
    }
}

class HelloHandler implements HttpHandler {
    public void handle(HttpExchange t) throws IOException {
        HttpsExchange ts = (HttpsExchange) t; 
        SSLSession sess = ts.getSSLSession();
        //if( sess.getPeerPrincipal() != null) System.out.println(sess.getPeerPrincipal().toString()); // Principal never populated.

        t.getResponseHeaders().set("Content-Type", "text/plain");
        t.sendResponseHeaders(200,0);
        String response = "Hello!  You seem trustworthy!\n";
        OutputStream os = t.getResponseBody();
        os.write(response.getBytes());
        os.close();
    }
}


class AuthClient{
    static String KEYSTORE = "";
    static String TRUSTSTORE = "keys/clienttrust.jks";
    static String CLIENT_PWD = "aaaaaa";

    public static void main(String[] args) throws Exception {
        KEYSTORE = "keys/unauthclient.jks"; // Doesn't exist in server trust store, should fail authentication.
        //KEYSTORE = "keys/authclient.jks"; // Exists in server trust store, should pass authentication.

        AuthClient cl = new AuthClient();
        cl.testIt();
    }

    public void testIt(){
        try {
            String https_url = "https://localhost:8888/auth/";
            URL url;
            url = new URL(https_url);
            HttpsURLConnection conn = (HttpsURLConnection)url.openConnection();
            conn.setSSLSocketFactory(getSSLFactory());

            conn.setRequestMethod("POST");
            conn.setDoOutput(true);
            conn.setUseCaches(false);

            // Print response
            BufferedReader bir = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line = null;
            while((line = bir.readLine()) != null) {
                  System.out.println(line);
                }
            bir.close();
            conn.disconnect();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static SSLSocketFactory getSSLFactory() throws Exception {
        // Create key store
        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
        KeyManager[] kmfs = null;
        if( KEYSTORE.length() > 0 ) {
            keyStore.load(new FileInputStream(KEYSTORE), CLIENT_PWD.toCharArray());
            KeyManagerFactory kmf = KeyManagerFactory.getInstance(
                        KeyManagerFactory.getDefaultAlgorithm());
            kmf.init(keyStore, CLIENT_PWD.toCharArray());
            kmfs = kmf.getKeyManagers();
        }

        // create trust store (validates the self-signed server!)
        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
        trustStore.load(new FileInputStream(TRUSTSTORE), CLIENT_PWD.toCharArray());
        TrustManagerFactory trustFactory = TrustManagerFactory.getInstance(
                        TrustManagerFactory.getDefaultAlgorithm());
        trustFactory.init(trustStore);

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(kmfs, trustFactory.getTrustManagers(), null);
        return sslContext.getSocketFactory();
    }
}

這是一個用於創建必要證書和密鑰庫的 bash 腳本。

#!/bin/bash
LOCALNAME=localhost
PASS=aaaaaa

function main
{
    gen
    list
}

function gen
{
mkdir -p keys
rm -f authclient.cert authclient.jks server.cert server.jks servertrust.jks clienttrust.jks unauthclient.jks

# create the keypairs for authclient, unauthclient and for server.
keytool -genkey -alias server -keyalg RSA -keystore server.jks -validity 365 -dname "cn=$LOCALNAME, ou=Auth, o=Auth, c=CA" -storepass $PASS -keypass $PASS
keytool -genkey -alias authclient -keyalg RSA -keystore authclient.jks -validity 365 -dname "cn=$LOCALNAME, ou=Auth, o=Auth, c=CA" -storepass $PASS -keypass $PASS
keytool -genkey -alias unauthclient -keyalg RSA -keystore unauthclient.jks -validity 365 -dname "cn=$LOCALNAME, ou=Auth, o=Auth, c=CA" -storepass $PASS -keypass $PASS

keytool -export -file server.cert -keystore server.jks -storepass $PASS -alias server
keytool -export -file authclient.cert -keystore authclient.jks -storepass $PASS -alias authclient

# Create a bare client truststore with no keypair
echo yes | keytool -import -file server.cert -alias server -keystore clienttrust.jks -storepass $PASS 

# Create a truststore for the server containing ONLY authclient
echo yes | keytool -import -file authclient.cert -alias authclient -keystore servertrust.jks -storepass $PASS 

# Add the server's cert to the client's keystores
#echo yes | keytool -import -file server.cert -alias server -keystore authclient.jks -storepass $PASS 
#echo yes | keytool -import -file server.cert -alias server -keystore unauthclient.jks -storepass $PASS 
}

function list { 
for x in *.jks; do 
    SER=$(keytool -list -v  -keystore $x -storepass aaaaaa  | grep Serial)
    echo $x $SER
done
}
main

最后,出現了幾個問題。 - 由 Gradle 設置一個奇怪的合格 JDK 導致的 API 權限問題 - 同樣的 JDK 問題導致 SSLparams 問題 - 我最初的例子沒有設置信任庫。

有趣的是,我最終更改為 wantClientAuth(true),並在處理程序中進行身份驗證。

package authserv;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.security.KeyStore;

import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManagerFactory;

import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpsConfigurator;
import com.sun.net.httpserver.HttpsExchange;
import com.sun.net.httpserver.HttpsParameters;
import com.sun.net.httpserver.HttpsServer;

public class AuthServer {
    final static String SERVER_PWD = "aaaaaa";
    final static String KST_SERVER = "keys/server.jks";
    final static String TST_SERVER = "keys/servertrust.jks";

    public static HttpsServer server; 

    public static void main(String[] args) throws Exception {
        server = makeServer();
        server.start();

        System.out.println("Server running, hit enter to stop.\n"); System.in.read();
        //AuthClient cl = new AuthClient(); cl.testIt(); 

        server.stop(0);
    }

    public static HttpsServer makeServer() throws Exception {
        server = HttpsServer.create(new InetSocketAddress(8888), 0);

        //server.setHttpsConfigurator(new HttpsConfigurator(SSLContext.getInstance("TLS"))); // Default config with no auth requirement.
        SSLContext sslCon = createSSLContext();
        MyConfigger authconf = new MyConfigger(sslCon);
        server.setHttpsConfigurator(authconf);

        server.createContext("/auth", new HelloHandler());
        return server;
    }
    private static SSLContext createSSLContext()  {
        SSLContext sslContext = null;
        KeyStore ks;
        KeyStore ts;

        try{
            sslContext = SSLContext.getInstance("TLS");

            ks = KeyStore.getInstance("JKS");
            ks.load(new FileInputStream(KST_SERVER), SERVER_PWD.toCharArray());
            KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
            kmf.init(ks, SERVER_PWD.toCharArray());

            ts = KeyStore.getInstance("JKS");
            ts.load(new FileInputStream(TST_SERVER), SERVER_PWD.toCharArray());
            TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");
            tmf.init(ts);

            sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

        } catch (Exception e) {
            e.printStackTrace();
        }       
        return sslContext;
    }
}

class MyConfigger extends HttpsConfigurator {
    public MyConfigger(SSLContext sslContext) {
        super(sslContext);  }

    @Override
    public  void configure(HttpsParameters params) {
        SSLContext sslContext = getSSLContext();
        SSLParameters  sslParams = sslContext.getDefaultSSLParameters();
        sslParams.setNeedClientAuth(true); 
        params.setNeedClientAuth(true);  
        params.setSSLParameters(sslParams);
    }
}

class HelloHandler implements HttpHandler {
    public void handle(HttpExchange t) throws IOException {
        HttpsExchange ts = (HttpsExchange) t; 
        SSLSession sess = ts.getSSLSession();
        //if( sess.getPeerPrincipal() != null) System.out.println(sess.getPeerPrincipal().toString()); // Principal never populated.
        System.out.printf("Responding to host: %s\n",sess.getPeerHost());

        t.getResponseHeaders().set("Content-Type", "text/plain");
        t.sendResponseHeaders(200,0);
        String response = "Hello!  You seem trustworthy!\n";
        OutputStream os = t.getResponseBody();
        os.write(response.getBytes());
        os.close();
    }
}

這是一個展示失敗和成功的客戶:

package authserv;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.net.SocketException;
import java.net.URL;
import java.security.KeyStore;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLHandshakeException;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManagerFactory;

public class AuthClient{
    static String NO_KEYSTORE = "";
    static String UNAUTH_KEYSTORE = "keys/unauthclient.jks"; // Doesn't exist in server trust store, should fail authentication.
    static String AUTH_KEYSTORE = "keys/authclient.jks"; // Exists in server trust store, should pass authentication.
    static String TRUSTSTORE = "keys/clienttrust.jks";
    static String CLIENT_PWD = "aaaaaa";

    public static void main(String[] args) throws Exception {

        AuthClient cl = new AuthClient();
        System.out.println("No keystore:");
        cl.testIt(NO_KEYSTORE);
        System.out.println("Unauth keystore:");
        cl.testIt(UNAUTH_KEYSTORE);
        System.out.println("Auth keystore:");
        cl.testIt(AUTH_KEYSTORE);
    }

    public void testIt(String jksFile){
        try {
            String https_url = "https://localhost:8888/auth/";
            URL url;
            url = new URL(https_url);
            HttpsURLConnection conn = (HttpsURLConnection)url.openConnection();
            conn.setSSLSocketFactory(getSSLFactory(jksFile));

            conn.setRequestMethod("POST");
            conn.setDoOutput(true);
            conn.setUseCaches(false);

            // Print response
            BufferedReader bir = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line = null;
            while((line = bir.readLine()) != null) {
                  System.out.println(line);
                }
            bir.close();
            conn.disconnect();
        } catch (SSLHandshakeException|SocketException e) {
            System.out.println(e.getMessage());
            System.out.println("");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static SSLSocketFactory getSSLFactory(String jksFile) throws Exception {
        // Create key store
        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
        KeyManager[] kmfs = null;
        if( jksFile.length() > 0 ) {
            keyStore.load(new FileInputStream(jksFile), CLIENT_PWD.toCharArray());
            KeyManagerFactory kmf = KeyManagerFactory.getInstance(
                        KeyManagerFactory.getDefaultAlgorithm());
            kmf.init(keyStore, CLIENT_PWD.toCharArray());
            kmfs = kmf.getKeyManagers();
        }

        // create trust store (validates the self-signed server!)
        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
        trustStore.load(new FileInputStream(TRUSTSTORE), CLIENT_PWD.toCharArray());
        TrustManagerFactory trustFactory = TrustManagerFactory.getInstance(
                        TrustManagerFactory.getDefaultAlgorithm());
        trustFactory.init(trustStore);

        SSLContext sslContext = SSLContext.getInstance("TLS");
        sslContext.init(kmfs, trustFactory.getTrustManagers(), null);
        return sslContext.getSocketFactory();
    }
}

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