考虑下面的Java类。我用这一页作为参考:
Disabling Certificate Validation in an HTTPS Connection
C:\matlab\myjavaclasses\com\stackoverflow\downloader.java
package com.stackoverflow;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.cert.X509Certificate;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.net.ssl.HostnameVerifier;
public class Downloader {
public static String getData(String address) throws Exception {
TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509Certificate[] certs, String authType) {
}
public void checkServerTrusted(X509Certificate[] certs, String authType) {
}
}
};
HostnameVerifier allHostsValid = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
URL page = new URL(address);
HttpURLConnection conn = (HttpURLConnection) page.openConnection();
BufferedReader buff = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
StringBuffer text = new StringBuffer();
while ( (line = buff.readLine()) != null ) {
text.append(line + "\n");
}
buff.close();
return text.toString();
}
public static void main(String[] argv) throws Exception {
String str = getData("https://expired.badssl.com/");
System.out.println(str);
}
}
MATLAB
首先,我们编译Java类(我们必须使用与Matlab兼容的JDK版本):
>> version -java
>> system('javac C:\MATLAB\MyJavaClasses\com\stackoverflow\Downloader.java');
接下来我们将其实例化并使用matlab作为:
javaaddpath('C:\MATLAB\MyJavaClasses')
dl = com.stackoverflow.Downloader;
str = char(dl.getData('https://expired.badssl.com/'));
web(['text://' str], '-new')
以下是一些带有要测试的错误SSL证书的URL:
urls = {
'https://expired.badssl.com/' % expired
'https://wrong.host.badssl.com/' % wrong host
'https://self-signed.badssl.com/' % self-signed
'https://revoked.grc.com/' % revoked
};
更新:
我应该提到,从R2014B开始,matlab有一个新的函数
webread
那个替代物
urlread
.