Android SSL HttpGet（无对等证书）错误或（对等连接已关闭）错误

Question

我正在尝试做一个简单的 HttpGet 来阅读网页。我在 iOS 和 Android 上通过 http 工作，但不是 https。

url是内部网络IP和自定义端口，所以我可以像这样使用http://ipaddress:port/MyPage.html的路径读取http

HttpClient httpclient = new DefaultHttpClient(httpParameters);
                    HttpResponse response;
        String responseString = null;
        try {
            // Try connection
            HttpGet get = new HttpGet(params[0].path);
            get.addHeader("Authorization",
                    "Basic "
                            + Base64.encodeBytes(new String(params[0].username + ":" + params[0].password)
                                    .getBytes()));
        response = httpclient.execute(get);
        StatusLine statusLine = response.getStatusLine();
        if (statusLine.getStatusCode() == HttpStatus.SC_OK) {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.getEntity().writeTo(out);
            out.close();
            responseString = out.toString();
        } else {
            // Closes the connection.
            response.getEntity().getContent().close();
            throw new IOException(statusLine.getReasonPhrase());
        }
    } catch (ClientProtocolException e) {
        Log.e(TAG, "ClientProtocolException");
        this.e = e;
    } catch (IOException e) {
        Log.e(TAG, "IOException");
        this.e = e;
    }
    return responseString;

当我尝试使用 https 时，我收到 No peer certificate 错误。所以我尝试使用这段代码： HttpClient httpclient = new DefaultHttpClient(httpParameters);

private HttpClient createHttpClient() {
        try {
            KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
            trustStore.load(null, null);

            SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
            sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

            HttpParams params = new BasicHttpParams();
            HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
            HttpProtocolParams.setContentCharset(params, HTTP.DEFAULT_CONTENT_CHARSET);
            HttpProtocolParams.setUseExpectContinue(params, true);

            SchemeRegistry schReg = new SchemeRegistry();
            schReg.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
            schReg.register(new Scheme("https", sf, 8080));
            ClientConnectionManager conMgr = new ThreadSafeClientConnManager(params, schReg);

            return new DefaultHttpClient(conMgr, params);

        } catch (Exception e) {
            return new DefaultHttpClient();
        }
    }

但这给了我一个Connection closed by peer 错误。

我做错了什么？我可以放心地忽略证书，因为它是一个带有自签名证书的内部网络，但是我无法控制 vert 并且我的应用程序的用户可能拥有不同的证书，所以我真的需要自动接受或绕过它。

谢谢

编辑 ------------------

在尝试以下 My-Name-Is 答案后： 我按照建议创建了一个 CustomX509TrustManager 类，然后像这样使用它创建一个自定义 HttpClient：

private HttpClient sslClient(HttpClient client) {
        try {
            CustomX509TrustManager tm = new CustomX509TrustManager();
            SSLContext ctx = SSLContext.getInstance("TLS");
            ctx.init(null, new TrustManager[] { tm }, null);
            SSLSocketFactory ssf = new MySSLSocketFactory(ctx);
            ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
            ClientConnectionManager ccm = client.getConnectionManager();
            SchemeRegistry sr = ccm.getSchemeRegistry();
            sr.register(new Scheme("https", ssf, 8080));
            return new DefaultHttpClient(ccm, client.getParams());
        } catch (Exception ex) {
            return null;
        }
    }

最后像这样使用这个HttpClient：

private class httpGETTask extends AsyncTask<GetParams, Void, String> {
private Exception e = null;

@Override
protected String doInBackground(GetParams... params) {
    // Set connection parameters
    HttpParams httpParameters = new BasicHttpParams();
    int timeoutConnection = 15000;
    HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
    int timeoutSocket = 15000;
    HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);

    Log.v(TAG, params[0].path);
    HttpClient httpclient = new DefaultHttpClient(httpParameters);
    httpclient = sslClient(httpclient);

    HttpResponse response;
    String responseString = null;
    try {
        // Try connection
        HttpGet get = new HttpGet(params[0].path);
        get.addHeader("Authorization",
                "Basic "
                        + Base64.encodeBytes(new String(params[0].username + ":" + params[0].password)
                                .getBytes()));

        response = httpclient.execute(get);
        StatusLine statusLine = response.getStatusLine();
        if (statusLine.getStatusCode() == HttpStatus.SC_OK) {
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            response.getEntity().writeTo(out);
            out.close();
            responseString = out.toString();
        } else {
            // Closes the connection.
            response.getEntity().getContent().close();
            throw new IOException(statusLine.getReasonPhrase());
        }
    } catch (ClientProtocolException e) {
        Log.e(TAG, "ClientProtocolException");
        this.e = e;
    } catch (IOException e) {
        Log.e(TAG, "IOException");
        this.e = e;
    }
    return responseString;

记录的路径格式为https://ipaddress:8080/Page.html 但我得到一个Connection closed By Peer 错误：

05-24 08:20:32.500: E/ConnectionHelper(1129): IOException 05-24 08:20:32.550：E/ConnectionHelper(1129)：异常加载内容 05-24 08:20:32.550: E/ConnectionHelper(1129): javax.net.ssl.SSLException：连接被对等方关闭 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.harmony.xnet.provider.jsse.NativeCrypto.SSL_do_handshake(Native 方法) 05-24 08:20:32.550: E/ConnectionHelper(1129): at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:410) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl$SSLInputStream.(OpenSSLSocketImpl.java:643) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.getInputStream(OpenSSLSocketImpl.java:614) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.io.SocketInputBuffer.(SocketInputBuffer.java:70) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.SocketHttpClientConnection.createSessionInputBuffer(SocketHttpClientConnection.java:83) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.conn.DefaultClientConnection.createSessionInputBuffer(DefaultClientConnection.java:170) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.SocketHttpClientConnection.bind(SocketHttpClientConnection.java:106) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.conn.DefaultClientConnection.openCompleted(DefaultClientConnection.java:129) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:172) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.client.DefaultRequestDirector.execute（DefaultRequestDirector.java:360） 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465) 05-24 08:20:32.550：E/ConnectionHelper（1129）：在 com.d_apps.my_app.connection_helpers.ConnectionHelper$httpGETTask.doInBackground(ConnectionHelper.java:114)

Answer 1

如果您使用的是“不可信”（开发者）证书，那么下面是解决方案。我们需要信任所有证书，下面是这样做的方法。对于受信任的证书，它无需添加以下功能即可使用，我们只需将 http 更改为 https 即可。

这是不信任证书的解决方案。

在 HttpClient 方式中，您应该从 org.apache.http.conn.ssl.SSLSocketFactory 创建一个自定义类，而不是一个 org.apache.http.conn.ssl.SSLSocketFactory 本身

例子就像...

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.conn.ssl.SSLSocketFactory;
public class MySSLSocketFactory extends SSLSocketFactory {
    SSLContext sslContext = SSLContext.getInstance("TLS");

    public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException, KeyStoreException, UnrecoverableKeyException {
        super(truststore);

        TrustManager tm = new X509TrustManager() {
            public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            }

            public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            }

            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        };

        sslContext.init(null, new TrustManager[] { tm }, null);
    }

    @Override
    public Socket createSocket(Socket socket, String host, int port, boolean autoClose) throws IOException, UnknownHostException {
        return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
    }

    @Override
    public Socket createSocket() throws IOException {
        return sslContext.getSocketFactory().createSocket();
    }
}

并在创建 HttpClient 实例时使用此类。

public HttpClient getNewHttpClient() {
    try {
        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
        trustStore.load(null, null);

        SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
        sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

        HttpParams params = new BasicHttpParams();
        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
        HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);

        SchemeRegistry registry = new SchemeRegistry();
        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        registry.register(new Scheme("https", sf, 443));

        ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

        return new DefaultHttpClient(ccm, params);
    } catch (Exception e) {
        return new DefaultHttpClient();
    }
}

Answer 2

以下来源应该可以解决您的问题。

import android.app.Activity;
import android.widget.EditText;
import android.os.Bundle;
import org.apache.http.HttpResponse;
import org.apache.http.Header
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import android.util.Log;
import android.view.Menu;
public class MainActivity extends Activity {

    private EditText text;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        text = (EditText) findViewById(R.id.editText1);
        connect();
    }

    private void connect(){
        try {
            DataLoader dl = new DataLoader();
            String url = "https://IpAddress";
            HttpResponse response = dl.secureLoadData(url); 

            StringBuilder sb = new StringBuilder();
            sb.append("HEADERS:\n\n");

            Header[] headers = response.getAllHeaders();
            for (int i = 0; i < headers.length; i++) {
                Header h = headers[i];
                sb.append(h.getName()).append(":\t").append(h.getValue()).append("\n");
            }

            InputStream is = response.getEntity().getContent();
            StringBuilder out = new StringBuilder();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            for (String line = br.readLine(); line != null; line = br.readLine())
                out.append(line);
            br.close();

            sb.append("\n\nCONTENT:\n\n").append(out.toString()); 

            Log.i("response", sb.toString());
            text.setText(sb.toString());

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

}


import android.app.Application;
import android.content.Context;
import java.io.InputStream;
public class MeaApplication extends Application {

    private static Context context;

    @Override
    public void onCreate() {
        super.onCreate();
        MeaApplication.context = getApplicationContext();
    }

    public static Context getAppContext() {
        return MeaApplication.context;
    }

    public static InputStream loadCertAsInputStream() {
        return MeaApplication.context.getResources().openRawResource(
                R.raw.meacert);
    }

}


import org.apache.http.conn.ssl.SSLSocketFactory;
import javax.net.ssl.SSLContext;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.UnrecoverableKeyException;
import javax.net.ssl.TrustManager;
import java.net.Socket;
import java.io.IOException;
import java.net.UnknownHostException;
/**
 * Taken from: http://janis.peisenieks.lv/en/76/english-making-an-ssl-connection-via-android/
 *
 */
public class CustomSSLSocketFactory extends SSLSocketFactory {
    SSLContext sslContext = SSLContext.getInstance("TLS");

    public CustomSSLSocketFactory(KeyStore truststore)
            throws NoSuchAlgorithmException, KeyManagementException,
            KeyStoreException, UnrecoverableKeyException {
        super(truststore);

        TrustManager tm = new CustomX509TrustManager();

        sslContext.init(null, new TrustManager[] { tm }, null);
    }

    public CustomSSLSocketFactory(SSLContext context)
            throws KeyManagementException, NoSuchAlgorithmException,
            KeyStoreException, UnrecoverableKeyException {
        super(null);
        sslContext = context;
    }

    @Override
    public Socket createSocket(Socket socket, String host, int port,
            boolean autoClose) throws IOException, UnknownHostException {
        return sslContext.getSocketFactory().createSocket(socket, host, port,
                autoClose);
    }

    @Override
    public Socket createSocket() throws IOException {
        return sslContext.getSocketFactory().createSocket();
    }
}


import javax.net.ssl.X509TrustManager;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.io.IOException;
import java.io.InputStream;
import java.security.cert.CertificateFactory;
public class CustomX509TrustManager implements X509TrustManager {

    @Override
    public void checkClientTrusted(X509Certificate[] chain, String authType)
            throws CertificateException {
    }

    @Override
    public void checkServerTrusted(java.security.cert.X509Certificate[] certs,
            String authType) throws CertificateException {

        // Here you can verify the servers certificate. (e.g. against one which is stored on mobile device)

        // InputStream inStream = null;
        // try {
        // inStream = MeaApplication.loadCertAsInputStream();
        // CertificateFactory cf = CertificateFactory.getInstance("X.509");
        // X509Certificate ca = (X509Certificate)
        // cf.generateCertificate(inStream);
        // inStream.close();
        //
        // for (X509Certificate cert : certs) {
        // // Verifing by public key
        // cert.verify(ca.getPublicKey());
        // }
        // } catch (Exception e) {
        // throw new IllegalArgumentException("Untrusted Certificate!");
        // } finally {
        // try {
        // inStream.close();
        // } catch (IOException e) {
        // e.printStackTrace();
        // }
        // }
    }

    public X509Certificate[] getAcceptedIssuers() {
        return null;
    }

}


import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.security.KeyManagementException;
import java.net.URISyntaxException;
import java.security.KeyStoreException;
import java.security.UnrecoverableKeyException;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import java.security.SecureRandom;
import org.apache.http.client.HttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.client.methods.HttpGet;
public class DataLoader {

    public HttpResponse secureLoadData(String url)
            throws ClientProtocolException, IOException,
            NoSuchAlgorithmException, KeyManagementException,
            URISyntaxException, KeyStoreException, UnrecoverableKeyException {
        SSLContext ctx = SSLContext.getInstance("TLS");
        ctx.init(null, new TrustManager[] { new CustomX509TrustManager() },
                new SecureRandom());

        HttpClient client = new DefaultHttpClient();

        SSLSocketFactory ssf = new CustomSSLSocketFactory(ctx);
        ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        ClientConnectionManager ccm = client.getConnectionManager();
        SchemeRegistry sr = ccm.getSchemeRegistry();
        sr.register(new Scheme("https", ssf, 443));
        DefaultHttpClient sslClient = new DefaultHttpClient(ccm,
                client.getParams());

        HttpGet get = new HttpGet(new URI(url));
        HttpResponse response = sslClient.execute(get);

        return response;
    }

}

Answer 3

检查您设备的日期。您可能已将其更改为不同的年份。当孩子们使用我的手机时，我经常遇到这个问题。

Answer 4

在搜索此例外时，您得到的只是实施“允许所有证书”的建议。

SSLPeerUnverifiedException 的 javadoc 指出：

当对等方无法识别自己时（例如，没有证书、正在使用的特定密码套件不支持身份验证，或者在 SSL 握手期间没有建立对等方身份验证），将引发此异常。

所以错误可能是连接非常不稳定/不稳定，并且请求需要花费大量时间。在我们的移动应用程序中，我们有时会遇到大量的连接/套接字超时以及这些 SSLPeerUnverifiedException。一些请求通过但需要 60 多秒 - 在这些情况下，网络连接简直糟透了。

在这种情况下，不建议使用“允许所有证书”简单地强制执行此操作 - 而是实施适当的重试策略。

Answer 5

如果您可以使用受信任的证书访问服务器，更好的解决方案是正确配置 SSL，因为在 SSL 验证方面，Android 比 iOS 和桌面浏览器更受限制

此解决方案不需要对您的 android 应用进行任何更改，因此更干净。

这是 apache 的 SSL 配置示例（将其添加到您的 VirtualHost 定义中，例如 /etc/apache2/sites-enabled）

SSLEngine on
SSLCertificateFile    YOUR_CERT_PATH
SSLCACertificateFile  CA_ROOT_CERT_PATH
SSLCertificateKeyFile KEY_PATH

我遇到了同样的错误，当我添加 CA 根证书时，错误消失了，android 不再抱怨了。为这些文件提供正确的路径，重新启动 Apache 并再次测试。

CA 根证书的文件可以包含根证书和中间证书

您可以使用this site 测试您的 SSL 配置，并确保在 Certification Paths 下的结果中服务器正在发送所有必需的证书。

Answer 6

允许 Android 的安全提供程序在启动您的应用时进行更新。

5.0+ 之前的默认 Provider 不会禁用 SSLv3。如果您可以访问 Google Play 服务，那么从您的应用中修补 Android 的安全提供程序相对简单。

  private void updateAndroidSecurityProvider(Activity callingActivity) {
    try {
        ProviderInstaller.installIfNeeded(this);
    } catch (GooglePlayServicesRepairableException e) {
      // Thrown when Google Play Services is not installed, up-to-date, or  enabled
        // Show dialog to allow users to install, update, or otherwise    enable Google Play services.
       GooglePlayServicesUtil.getErrorDialog(e.getConnectionStatusCode(), callingActivity, 0);
    } catch (GooglePlayServicesNotAvailableException e) {
        Log.e("SecurityException", "Google Play Services not available.");
    }
}

来源： Patching the Security Provider with ProviderInstaller Provider

Answer 7

我最初使用的是HttpsURLConnection，但它无法始终如一地工作，所以我决定使用HttpClient。现在可以了。