Fork of Poseidon providing Bukkit #1060 to older Beta versions (b1.0-b1.7.3)
keii.dev
1package com.legacyminecraft.poseidon.util;
2
3import org.json.simple.JSONObject;
4import org.json.simple.parser.JSONParser;
5
6import javax.net.ssl.HttpsURLConnection;
7import java.io.BufferedReader;
8import java.io.InputStreamReader;
9import java.net.URL;
10
11/**
12 * A wrapper class for the Minecraft session API
13 * <p>
14 * TODO maybe make the HTTP requests asynchronous? idk if it really matters
15 *
16 * @author moderator_man
17 */
18public class SessionAPI {
19 public static final String SESSION_BASE = "http://session.minecraft.net/game/";
20
21 public static boolean hasJoined(String username, String serverId) {
22 HTTPResponse response = httpGetRequest(SESSION_BASE + String.format("checkserver.jsp?user=%s&serverId=%s", username, serverId));
23 if (response.getResponse() != "YES") return false;
24 return true;
25 }
26
27 public static void hasJoined(String username, String serverId, String ip, SessionRequestRunnable callback) {
28 try {
29 boolean checkIP = ip == "127.0.0.1" || ip == "localhost";
30 StringBuilder sb = new StringBuilder();
31 sb.append("https://sessionserver.mojang.com/session/minecraft/hasJoined");
32 sb.append("?username=" + username);
33 sb.append("&serverId=" + serverId);
34 if (checkIP) sb.append("&ip=" + ip);
35 String requestUrl = sb.toString();
36
37 HTTPResponse response = httpGetRequest(requestUrl);
38 JSONObject obj = (JSONObject) new JSONParser().parse(response.getResponse());
39 String res_username = (obj.containsKey("name") ? (String) obj.get("name") : "nousername");
40 String res_uuid = (obj.containsKey("id") ? (String) obj.get("id") : "nouuid");
41 String res_ip = (obj.containsKey("ip") ? (String) obj.get("ip") : "noip");
42 callback.callback(response.getResponseCode(), res_username, res_uuid, res_ip);
43 } catch (Exception ex) {
44 System.out.println(String.format("Failed to authenticate session for '%s': %s", username, ex.getMessage()));
45 // TODO: if debug, print the stack trace
46 }
47 }
48
49 private static HTTPResponse httpGetRequest(String url) {
50 try {
51 URL obj = new URL(url);
52 HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();
53 con.setRequestMethod("GET");
54 con.setRequestProperty("User-Agent", "Project-Poseidon/0");
55 BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
56 String inputLine;
57 StringBuffer response = new StringBuffer();
58 while ((inputLine = in.readLine()) != null) { response.append(inputLine); }
59 in.close();
60 return new HTTPResponse(response.toString(), con.getResponseCode());
61 } catch (Exception ex) {
62 ex.printStackTrace();
63 return new HTTPResponse("", -1);
64 }
65 }
66}