在 Bluemix 中从 Java 连接到安全网关
Connecting to a secure gateway from Java in Bluemix
我正在尝试从我的 Bluemix 帐户通过安全网关 (DataPower) 连接到 Web 服务器 (http/port:80)。我已经设置好所有内容，并且可以在我的仪表板中看到目的地等已启用。我正在使用 Java 连接到安全网关，但我一定遗漏了一些东西，因为我不断收到从网关客户端返回的 403。
我已添加：
connection.setRequestProperty("Authorization", "Bearer " + token);
但它仍然失败并显示 403。我假设我还需要提供网关 ID...但找不到任何文档或 Java 示例...
您可以通过创建一个像 www.google.com/80 这样的好网站（网页）的目的地来轻松做到这一点。我就是这么做的，然后在下面写了一些代码：
import java.io.*;
import java.net.*;
import javax.net.ssl.*;
import java.security.cert.X509Certificate;
public class test {
/**
* The main method.
*
* @param args - String[] - The command line arguments.
*/
public static void main(String[] args) {
String url = args[0];
// String query = args[1];
// String token = args[2];
String charset = "UTF-8";
BufferedReader br = null;
try {
// Create a trust manager that does not validate certificate chains
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) {
}
}
};
// Install the all-trusting trust manager
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
// Create all-trusting host name verifier
HostnameVerifier allHostsValid = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
// Install the all-trusting host verifier
HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
URL _url = new URL(url);
// URL _url = new URL(url + "?" + query);
System.out.println("URL: " + _url);
// HttpsURLConnection connection = (HttpsURLConnection)_url.openConnection();
HttpURLConnection connection = (HttpURLConnection)_url.openConnection();
// connection.setRequestMethod("GET");
// connection.setRequestProperty("Authorization", "Bearer " + token);
br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
System.out.println("****** Contents ********");
String input;
while ((input = br.readLine()) != null){
System.out.println("MSG: " + input);
}
br.close();
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
}
请注意，注释掉的内容适用于您可能想尝试的 HTTPS 连接（同样有效）。然后运行程序获取google网站首页的结果，如下图。
$ java -cp . test http://localhost:15017
URL: http://localhost:15017
****** Contents ********
MSG: <!doctype html><html itemscope="" itemtype="http://schema.org/WebPage" lang="en"><head><meta content="Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for." name="description"><meta content="noodp" name="robots"><meta content="/images/google_favicon_128.png" itemprop="image"><title>Google</title><script>(function(){window.google={kEI:'EQ_AVZy-OIjz-AHlrYHgBA',kEXPI:'3700264,3700372,4029571,4029815,4031109,4032235,4032500,4032677,4033307,4033344,4033367,4034882,4036527,4036848,4037333,4037457,4037569,4038012,4038399,4039386,4039462,4039879,4039905,4039936,4040020,4040028,4040112,4040135,4040849,4040864,4040974,4040977,4040983,4041078,4041159,4041304,4041440,4041644,4041972,4042052,4042383,4042695,4042833,4042835,4043134,8300096,8300185,8300199,8300203,8300214,8500394,8501261,8501295,8501407,8501489,10200083,10201125,10201250,10201339',authuser:0,kscs:'c9c918f0_10'};google.kHL='en';})();(function(){google.lc=[];google.li=0;google.getEI=function(a){for(var b;a&&(!a.getAttribute||!(b=a.getAttribute("eid")));)a=a.parentNode;return b||google.kEI};google.getLEI=function(a){for(var b=null;a&&(!a.getAttribute||!(b=a.getAttribute("leid")));)a=a.parentNode;return b};google.https=function(){return"https:"==window.location.protocol};google.ml=function(){return null};google.time=function(){return(new Date).getTime()};google.log=function(a,b,d,e,g){a=google.logUrl(a,b,d,e,g);if(""!=a){b=new Image;var c=google.lc,f=google.li;c[f]=b;b.onerror=b.onload=b.onabort=function(){delete c[f]};window.google&&window.google.vel&&window.google.vel.lu&&window.google.vel.lu(a);b.src=a;google.li=f+1}};google.logUrl=function(a,b,d,e,g){var c="",f=google.ls||"";if(!d&&-1==b.search("&ei=")){var h=google.getEI(e),c="&ei="+h;-1==b.search("&lei=")&&((e=google.getLEI(e))?c+="&lei="+e:h!=google.kEI&&(c+="&lei="+google.kEI))}a=d||"/"+(g||"gen_204")+"?atyp=i&ct="+a+"&cad="+b+c+f+"&zx="+google.time();/^http:/i.test(a)&&google.https()&&(google.ml(Error("a"),!1,{src:a,glmm:1}),a="");return a};google.y={};google.x=function(a,b){google.y[a.id]=[a,b];return!1};google.load=function(a,b,d){google.x({id:a+k++},function(){google.load(a,b,d)})};var k=0;})();google.kCSI={};var _gjwl=location;function _gjuc(){var a=_gjwl.href.indexOf("#");if(0<=a&&(a=_gjwl.href.substring(a),0<a.indexOf("&q=")||0<=a.indexOf("#q="))&&(a=a.substring(1),-1==a.indexOf("#"))){for(var d=0;d<a.length;){var b=d;"&"==a.charAt(b)&&++b;var c=a.indexOf("&",b);-1==c&&(c=a.length);b=a.substring(b,c);if(0==b.indexOf("fp="))a=a.substring(0,d)+a.substring(c,a.length),c=d;else if("cad=h"==b)return 0;d=c}_gjwl.href="/search?"+a+"&cad=h";return 1}return 0}
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我正在尝试从我的 Bluemix 帐户通过安全网关 (DataPower) 连接到 Web 服务器 (http/port:80)。我已经设置好所有内容，并且可以在我的仪表板中看到目的地等已启用。我正在使用 Java 连接到安全网关，但我一定遗漏了一些东西，因为我不断收到从网关客户端返回的 403。
我已添加：
connection.setRequestProperty("Authorization", "Bearer " + token);
但它仍然失败并显示 403。我假设我还需要提供网关 ID...但找不到任何文档或 Java 示例...
您可以通过创建一个像 www.google.com/80 这样的好网站（网页）的目的地来轻松做到这一点。我就是这么做的，然后在下面写了一些代码：
import java.io.*;
import java.net.*;
import javax.net.ssl.*;
import java.security.cert.X509Certificate;
public class test {
/**
* The main method.
*
* @param args - String[] - The command line arguments.
*/
public static void main(String[] args) {
String url = args[0];
// String query = args[1];
// String token = args[2];
String charset = "UTF-8";
BufferedReader br = null;
try {
// Create a trust manager that does not validate certificate chains
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) {
}
}
};
// Install the all-trusting trust manager
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
// Create all-trusting host name verifier
HostnameVerifier allHostsValid = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
// Install the all-trusting host verifier
HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
URL _url = new URL(url);
// URL _url = new URL(url + "?" + query);
System.out.println("URL: " + _url);
// HttpsURLConnection connection = (HttpsURLConnection)_url.openConnection();
HttpURLConnection connection = (HttpURLConnection)_url.openConnection();
// connection.setRequestMethod("GET");
// connection.setRequestProperty("Authorization", "Bearer " + token);
br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
System.out.println("****** Contents ********");
String input;
while ((input = br.readLine()) != null){
System.out.println("MSG: " + input);
}
br.close();
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
}
请注意，注释掉的内容适用于您可能想尝试的 HTTPS 连接（同样有效）。然后运行程序获取google网站首页的结果，如下图。
$ java -cp . test http://localhost:15017
URL: http://localhost:15017
****** Contents ********
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