如果不需要验证服务器端证书,直接照这里做
- public class Demo extends Activity {
- /** Called when the activity is first created. */
- private TextView text;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- text = (TextView)findViewById(R.id.text);
- GetHttps();
- }
- private void GetHttps(){
- String https = " https://800wen.com/";
- try{
- SSLContext sc = SSLContext.getInstance("TLS");
- sc.init(null, new TrustManager[]{new MyTrustManager()}, new SecureRandom());
- HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
- HttpsURLConnection.setDefaultHostnameVerifier(new MyHostnameVerifier());
- HttpsURLConnection conn = (HttpsURLConnection)new URL(https).openConnection();
- conn.setDoOutput(true);
- conn.setDoInput(true);
- conn.connect();
- BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
- StringBuffer sb = new StringBuffer();
- String line;
- while ((line = br.readLine()) != null)
- sb.append(line);
- text.setText(sb.toString());
- }catch(Exception e){
- Log.e(this.getClass().getName(), e.getMessage());
- }
- }
- private class MyHostnameVerifier implements HostnameVerifier{
- @Override
- public boolean verify(String hostname, SSLSession session) {
- // TODO Auto-generated method stub
- return true;
- }
- }
- private class MyTrustManager implements X509TrustManager{
- @Override
- public void checkClientTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- // TODO Auto-generated method stub
- }
- @Override
- public void checkServerTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- // TODO Auto-generated method stub
- }
- @Override
- public X509Certificate[] getAcceptedIssuers() {
- // TODO Auto-generated method stub
- return null;
- }
- }
- }
如果需要验证服务器端证书(这样能够防钓鱼),我是这样做的,还有些问题问大牛:
a. 导出公钥。在浏览器上用https访问tomcat,查看其证书,并另存为一个文件(存成了X.509格式:xxxx.cer)
b. 导入公钥。把xxxx.cer放在Android的assets文件夹中,以方便在运行时通过代码读取此证书,留了两个问题给大牛:
- AssetManager am = context.getAssets();
- InputStream ins = am.open("robusoft.cer");
- try {
- //读取证书
- CertificateFactory cerFactory = CertificateFactory.getInstance("X.509"); //问1
- Certificate cer = cerFactory.generateCertificate(ins);
- //创建一个证书库,并将证书导入证书库
- KeyStore keyStore = KeyStore.getInstance("PKCS12", "BC"); //问2
- keyStore.load(null, null);
- keyStore.setCertificateEntry("trust", cer);
- return keyStore;
- } finally {
- ins.close();
- }
- //把咱的证书库作为信任证书库
- SSLSocketFactory socketFactory = new SSLSocketFactory(keystore);
- Scheme sch = new Scheme("https", socketFactory, 443);
- //完工
- HttpClient mHttpClient = new DefaultHttpClient();
- mHttpClient.getConnectionManager().getSchemeRegistry().register(sch);
问1:这里用"PKCS12"不行
答1:PKCS12和JKS是keystore的type,不是Certificate的type,所以X.509不能用PKCS12代替
问2:这里用"JKS"不行。
答2:android平台上支持的keystore type好像只有PKCS12,不支持JKS,所以不能用JKS代替在PKCS12,不过在windows平台上是可以代替的
----------------------------------------------分割线-------------------------------------------------------------------------
1。数据通信时加密,不同平台加密后的结果不同,用的库不同吧(进行相应的修改比较麻烦)
2。采用https,系统自动做好了,简单一些
https与http的通信,在我看来主要的区别在于https多了一个安全验证机制,而Android采用的是X509验证,首先我们需要这重写X509类,建立我们的验证规则、、不过对于特定的项目,我们一般都是无条件信任服务端的,因此我们可以对任何证书都无条件信任(其实本质上我们只是信任了特定url的证书,为了偷懒,才那么选择的)/**
- * 信任所有主机-对于任何证书都不做检查
- */
- class MytmArray implements X509TrustManager {
- public X509Certificate[] getAcceptedIssuers() {
- // return null;
- return new X509Certificate[] {};
- }
- @Override
- public void checkClientTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- // TODO Auto-generated method stub
- }
- @Override
- public void checkServerTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- // TODO Auto-generated method stub
- // System.out.println("cert: " + chain[0].toString() + ", authType: "
- // + authType);
- }
- };
- * 信任所有主机-对于任何证书都不做检查
- */
- class MytmArray implements X509TrustManager {
- public X509Certificate[] getAcceptedIssuers() {
- // return null;
- return new X509Certificate[] {};
- }
- @Override
- public void checkClientTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- // TODO Auto-generated method stub
- }
- @Override
- public void checkServerTrusted(X509Certificate[] chain, String authType)
- throws CertificateException {
- // TODO Auto-generated method stub
- // System.out.println("cert: " + chain[0].toString() + ", authType: "
- // + authType);
- }
- };
好了,我们写好了信任规则,接下载就要创建一个主机的信任列表
- static TrustManager[] xtmArray = new MytmArray[] { new MytmArray() };
- /**
- * 信任所有主机-对于任何证书都不做检查
- */
- private static void trustAllHosts() {
- // Create a trust manager that does not validate certificate chains
- // Android 采用X509的证书信息机制
- // Install the all-trusting trust manager
- try {
- SSLContext sc = SSLContext.getInstance("TLS");
- sc.init(null, xtmArray, new java.security.SecureRandom());
- HttpsURLConnection
- .setDefaultSSLSocketFactory(sc.getSocketFactory());
- // HttpsURLConnection.setDefaultHostnameVerifier(DO_NOT_VERIFY);//
- // 不进行主机名确认
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
- @Override
- public boolean verify(String hostname, SSLSession session) {
- // TODO Auto-generated method stub
- // System.out.println("Warning: URL Host: " + hostname + " vs. "
- // + session.getPeerHost());
- return true;
- }
- };
- static TrustManager[] xtmArray = new MytmArray[] { new MytmArray() };
- /**
- * 信任所有主机-对于任何证书都不做检查
- */
- private static void trustAllHosts() {
- // Create a trust manager that does not validate certificate chains
- // Android 采用X509的证书信息机制
- // Install the all-trusting trust manager
- try {
- SSLContext sc = SSLContext.getInstance("TLS");
- sc.init(null, xtmArray, new java.security.SecureRandom());
- HttpsURLConnection
- .setDefaultSSLSocketFactory(sc.getSocketFactory());
- // HttpsURLConnection.setDefaultHostnameVerifier(DO_NOT_VERIFY);//
- // 不进行主机名确认
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
- @Override
- public boolean verify(String hostname, SSLSession session) {
- // TODO Auto-generated method stub
- // System.out.println("Warning: URL Host: " + hostname + " vs. "
- // + session.getPeerHost());
- return true;
- }
- };
上面的都是https通信需要做的几个基本要求,接下载我们要做的就是https的使用啦下面就以get和post为例进行说明,中间还涉及到cookie的使用
- String httpUrl="XXXXX"
- String result = "";
- HttpURLConnection http = null;
- URL url;
- try {
- url = new URL(httpUrl);
- // 判断是http请求还是https请求
- if (url.getProtocol().toLowerCase().equals("https")) {
- trustAllHosts();
- http = (HttpsURLConnection) url.openConnection();
- ((HttpsURLConnection) http).setHostnameVerifier(DO_NOT_VERIFY);// 不进行主机名确认
- } else {
- http = (HttpURLConnection) url.openConnection();
- }
- http.setConnectTimeout(10000);// 设置超时时间
- http.setReadTimeout(50000);
- http.setRequestMethod("GET");// 设置请求类型为
- http.setDoInput(true);
- http.setRequestProperty("Content-Type", "text/xml");
- //http.getResponseCode());http或https返回状态200还是403
- BufferedReader in = null;
- if (obj.getHttpStatus() == 200) {
- getCookie(http);
- in = new BufferedReader(new InputStreamReader(
- http.getInputStream()));
- } else
- in = new BufferedReader(new InputStreamReader(
- http.getErrorStream()));
- result = in.readLine();
- Log.i("result", result);
- in.close();
- http.disconnect();
- String httpUrl="XXXXX"
- String result = "";
- HttpURLConnection http = null;
- URL url;
- try {
- url = new URL(httpUrl);
- // 判断是http请求还是https请求
- if (url.getProtocol().toLowerCase().equals("https")) {
- trustAllHosts();
- http = (HttpsURLConnection) url.openConnection();
- ((HttpsURLConnection) http).setHostnameVerifier(DO_NOT_VERIFY);// 不进行主机名确认
- } else {
- http = (HttpURLConnection) url.openConnection();
- }
- http.setConnectTimeout(10000);// 设置超时时间
- http.setReadTimeout(50000);
- http.setRequestMethod("GET");// 设置请求类型为
- http.setDoInput(true);
- http.setRequestProperty("Content-Type", "text/xml");
- //http.getResponseCode());http或https返回状态200还是403
- BufferedReader in = null;
- if (obj.getHttpStatus() == 200) {
- getCookie(http);
- in = new BufferedReader(new InputStreamReader(
- http.getInputStream()));
- } else
- in = new BufferedReader(new InputStreamReader(
- http.getErrorStream()));
- result = in.readLine();
- Log.i("result", result);
- in.close();
- http.disconnect();
https或http的get请求写好了,哦中间涉及到了一个getCookie的方法,如下:
- /** 得到cookie */
- private static void getCookie(HttpURLConnection http) {
- String cookieVal = null;
- String key = null;
- DataDefine.mCookieStore = "";
- for (int i = 1; (key = http.getHeaderFieldKey(i)) != null; i++) {
- if (key.equalsIgnoreCase("set-cookie")) {
- cookieVal = http.getHeaderField(i);
- cookieVal = cookieVal.substring(0, cookieVal.indexOf(";"));
- DataDefine.mCookieStore = DataDefine.mCookieStore + cookieVal
- + ";";
- }
- }
- }
- /** 得到cookie */
- private static void getCookie(HttpURLConnection http) {
- String cookieVal = null;
- String key = null;
- DataDefine.mCookieStore = "";
- for (int i = 1; (key = http.getHeaderFieldKey(i)) != null; i++) {
- if (key.equalsIgnoreCase("set-cookie")) {
- cookieVal = http.getHeaderField(i);
- cookieVal = cookieVal.substring(0, cookieVal.indexOf(";"));
- DataDefine.mCookieStore = DataDefine.mCookieStore + cookieVal
- + ";";
- }
- }
- }
- String result = "";
- Log.i("控制", httpUrl);
- Query obj = new Query();
- HttpURLConnection http = null;
- URL url;
- try {
- url = new URL(httpUrl);
- // 判断是http请求还是https请求
- if (url.getProtocol().toLowerCase().equals("https")) {
- trustAllHosts();
- http = (HttpsURLConnection) url.openConnection();
- ((HttpsURLConnection) http).setHostnameVerifier(DO_NOT_VERIFY);// 不进行主机名确认
- } else {
- http = (HttpURLConnection) url.openConnection();
- }
- http.setConnectTimeout(10000);// 设置超时时间
- http.setReadTimeout(50000);
- http.setRequestMethod("POST");// 设置请求类型为post
- http.setDoInput(true);
- http.setDoOutput(true);
- http.setRequestProperty("Content-Type", "text/xml");
- http.setRequestProperty("Cookie", DataDefine.mCookieStore);
- DataOutputStream out = new DataOutputStream(http.getOutputStream());
- out.writeBytes(base64);
- out.flush();
- out.close();
- obj.setHttpStatus(http.getResponseCode());// 设置http返回状态200还是403
- BufferedReader in = null;
- if (obj.getHttpStatus() == 200) {
- getCookie(http);
- in = new BufferedReader(new InputStreamReader(
- http.getInputStream()));
- } else
- in = new BufferedReader(new InputStreamReader(
- http.getErrorStream()));
- result = in.readLine();// 得到返回结果
- in.close();
- http.disconnect();
- } catch (Exception e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- String result = "";
- Log.i("控制", httpUrl);
- Query obj = new Query();
- HttpURLConnection http = null;
- URL url;
- try {
- url = new URL(httpUrl);
- // 判断是http请求还是https请求
- if (url.getProtocol().toLowerCase().equals("https")) {
- trustAllHosts();
- http = (HttpsURLConnection) url.openConnection();
- ((HttpsURLConnection) http).setHostnameVerifier(DO_NOT_VERIFY);// 不进行主机名确认
- } else {
- http = (HttpURLConnection) url.openConnection();
- }
- http.setConnectTimeout(10000);// 设置超时时间
- http.setReadTimeout(50000);
- http.setRequestMethod("POST");// 设置请求类型为post
- http.setDoInput(true);
- http.setDoOutput(true);
- http.setRequestProperty("Content-Type", "text/xml");
- http.setRequestProperty("Cookie", DataDefine.mCookieStore);
- DataOutputStream out = new DataOutputStream(http.getOutputStream());
- out.writeBytes(base64);
- out.flush();
- out.close();
- obj.setHttpStatus(http.getResponseCode());// 设置http返回状态200还是403
- BufferedReader in = null;
- if (obj.getHttpStatus() == 200) {
- getCookie(http);
- in = new BufferedReader(new InputStreamReader(
- http.getInputStream()));
- } else
- in = new BufferedReader(new InputStreamReader(
- http.getErrorStream()));
- result = in.readLine();// 得到返回结果
- in.close();
- http.disconnect();
- } catch (Exception e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }