RRkbTW7A

1import java.io.BufferedReader;
2
3import java.io.InputStreamReader;
4
5import java.time.LocalDateTime;
6
7
8import javax.crypto.Mac;
9import javax.crypto.spec.SecretKeySpec;
10
11import org.apache.commons.codec.binary.Hex;
12import org.apache.http.Header;
13import org.apache.http.HttpEntity;
14import org.apache.http.client.methods.*;
15import org.apache.http.entity.ContentType;
16import org.apache.http.entity.StringEntity;
17import org.apache.http.impl.client.CloseableHttpClient;
18import org.apache.http.impl.client.HttpClients;
19import org.apache.http.util.EntityUtils;
20
21------------------------------------------------------------------------
22
23public static void post() throws Exception{
24		
25		CloseableHttpClient httpclient = HttpClients.createDefault();
26		
27		try{
28			// POST
29	        HttpPost httpPost = new HttpPost("https://testservices.informatsoftware.be/icursisten/1/course/42CD5A20-E22F-45D7-973C-FAB8734DEC50");
30	       
31	        httpPost.setEntity(new StringEntity("", 
32	                ContentType.create("application/json")));
33	        CloseableHttpResponse response2 = httpclient.execute(httpPost);
34	        
35	        //httpPost.
36	        
37	        httpPost.addHeader("InstellingsNr", "128521");
38	        httpPost.addHeader("Authentication","pubKey_HbKycQkxTipifyplssirJPQZxEHFbL" + ":" + encode("zmHnwWgjWj37H5yjm1Or1MtfLyRPoYcwJytE4VV5Y6E1Ep0BpSpQ7048tNLp3RxcJlq5H4", ""));
39	        httpPost.addHeader("Timestamp", LocalDateTime.now().toString());
40	        httpPost.addHeader("Accept","application/json");
41	        httpPost.addHeader("Content-Typet","application/json");
42	        httpPost.addHeader("Content-Length","0");
43	
44	        try {
45	        	System.out.println("Request headers: \n");
46	        	for(Header hdr : httpPost.getAllHeaders()){
47	        		System.out.println("\t" + hdr.toString());
48            	}
49	        	
50	        	System.out.println("\n\nResult: \n");
51	        	
52	            System.out.println("\t" + response2.getStatusLine());
53	            HttpEntity entity2 = response2.getEntity();
54	            // do something useful with the response body
55	            // and ensure it is fully consumed
56	            BufferedReader in = new BufferedReader(
57	    		        new InputStreamReader(entity2.getContent()));
58	    		String inputLine;
59	    		StringBuffer response = new StringBuffer();
60	     
61	    		while ((inputLine = in.readLine()) != null) {
62	    			response.append(inputLine);
63	    		}
64	    		in.close();
65	     
66	    		//print result
67	    		System.out.println("\t" + "Response : " + response.toString());
68	            EntityUtils.consume(entity2);
69	        } 
70	        finally {
71	            response2.close();
72	            System.out.println("**********************************");
73	        }
74		}finally{
75			 httpclient.close();
76		}
77	}
78
79	public static String encode(String key, String data) throws Exception {
80		  Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
81		  SecretKeySpec secret_key = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256");
82		  sha256_HMAC.init(secret_key);
83
84		  return Hex.encodeHexString(sha256_HMAC.doFinal(data.getBytes("UTF-8")));
85	}
86	
87	public static void main(String[] args) throws Exception {
88		post();
89		
90    }