我试图访问一个本地托管网站,并获得其HTML源代码进行解析。 我有几个问题:
1)我可以使用“https://开头的IP地址HERE”作为一个有效的URL,试图访问。 我不想做的/ etc / hosts中更改文件,所以我想这样做这样。
2)我不能让HTML,因为它给我握手异常和证书的问题。 我已经尝试了很多可在Web上的帮助,但我没有成功。
这里是我使用的代码:
public class MainActivity extends Activity {
private TextView textView;
String response = "";
String finalresponse="";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = (TextView) findViewById(R.id.TextView01);
System.setProperty("javax.net.ssl.trustStore","C:\\User\\*" );
System.setProperty("javax.net.ssl.trustStorePassword", "" );
}
private class DownloadWebPageTask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... urls) {
TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
}
public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
}
}
};
try {
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
} catch (Exception e) {
}
try {
URL url = new URL("https://172.27.224.133");
HttpsURLConnection con =(HttpsURLConnection)url.openConnection();
con.setHostnameVerifier(new AllowAllHostnameVerifier());
finalresponse=readStream(con.getInputStream());
} catch (Exception e) {
e.printStackTrace();
}
return finalresponse;
}
private String readStream(InputStream in) {
BufferedReader reader = null;
try {
reader = new BufferedReader(new InputStreamReader(in));
String line = "";
while ((line = reader.readLine()) != null) {
response+=line;
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return response;
}
@Override
protected void onPostExecute(String result) {
textView.setText(finalresponse);
}
}
public void readWebpage(View view) {
DownloadWebPageTask task = new DownloadWebPageTask();
task.execute(new String[] { "https://172.27.224.133" });
}
}