Added build notifications, fixes

.gitignore

@@ -218,3 +218,5 @@ TheButtonAutoFlair/out/artifacts/Autoflair/Autoflair.jar
 *.name
 .idea/compiler.xml
 *.xml
+
+upload_key

.travis.yml

@@ -14,3 +14,5 @@ deploy:
     on:
       branch: master
     skip_cleanup: true
+notifications:
+  webhooks: https://server.figytuna.com:8080/build_notifications

src/buttondevteam/website/io/IOHelper.java

@@ -76,13 +76,15 @@ public class IOHelper {
 	public static void LoginUser(HttpExchange exchange, WebUser user) {
 		Bukkit.getLogger().fine("Logging in user: " + user);
 		user.sessionID().set(UUID.randomUUID());
+		user.save();
 		new Cookies(2).add(new Cookie("user_id", user.getUUID() + ""))
-				.add(new Cookie("session_id", user.sessionID().get().toString())).SendHeaders(exchange);
+				.add(new Cookie("session_id", user.sessionID().getOrDefault(null).toString())).SendHeaders(exchange);
 		Bukkit.getLogger().fine("Logged in user.");
 	}
 
 	public static void LogoutUser(HttpExchange exchange, WebUser user) {
 		user.sessionID().set(new UUID(0, 0));
+		user.save();
 		SendLogoutHeaders(exchange);
 	}
 
@@ -125,7 +127,7 @@ public class IOHelper {
 	}
 
 	/**
-	 * Get logged in user. It may also send logout headers if the cookies are invalid, or login headers to keep the user logged in.
+	 * Get logged in user. It may also send logout headers if the cookies are invalid, or login headers to keep the user logged in. <b>Make sure to save the user data.</b>
 	 * 
 	 * @param exchange
 	 * @return The logged in user or null if not logged in.
@@ -137,7 +139,7 @@ public class IOHelper {
 			return null;
 		WebUser user = ChromaGamerBase.getUser(cookies.get("user_id").getValue(), WebUser.class);
 		if (user != null && cookies.get("session_id") != null
-				&& cookies.get("session_id").getValue().equals(user.sessionID().get())) {
+				&& cookies.get("session_id").getValue().equals(user.sessionID().getOrDefault(null))) {
 			if (cookies.getExpireTimeParsed().minusYears(1).isBefore(ZonedDateTime.now(ZoneId.of("GMT"))))
 				LoginUser(exchange, user);
 			return user;
@@ -174,4 +176,22 @@ public class IOHelper {
 		}
 		return result;
 	}
+
+	public static HashMap<String, String> GetPOSTKeyValues(HttpExchange exchange) {
+		try {
+			String[] content = GetPOST(exchange).split("\\&");
+			HashMap<String, String> vars = new HashMap<>();
+			for (String var : content) {
+				String[] spl = var.split("\\=");
+				if (spl.length == 1)
+					vars.put(spl[0], "");
+				else
+					vars.put(spl[0], spl[1]);
+			}
+			return vars;
+		} catch (Exception e) {
+			e.printStackTrace();
+			return new HashMap<>();
+		}
+	}
 }

src/buttondevteam/website/page/BuildNotificationsPage.java

@@ -0,0 +1,86 @@
+package buttondevteam.website.page;
+
+import java.security.KeyFactory;
+import java.security.PublicKey;
+import java.security.Signature;
+import java.security.spec.X509EncodedKeySpec;
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.List;
+import java.util.function.Supplier;
+
+import com.google.gson.*;
+import com.sun.net.httpserver.HttpExchange;
+
+import buttondevteam.lib.TBMCCoreAPI;
+import buttondevteam.website.io.IOHelper;
+import buttondevteam.website.io.Response;
+
+public class BuildNotificationsPage extends Page {
+
+	@Override
+	public String GetName() {
+		return "build_notifications";
+	}
+
+	private static final String signature = ((Supplier<String>) () -> {
+		try {
+			return fromString(TBMCCoreAPI.DownloadString("https://api.travis-ci.org/config"),
+					"config.notifications.webhook.public_key").getAsString();
+		} catch (Exception e) {
+			throw new RuntimeException(e);
+		}
+	}).get();
+
+	@Override
+	public Response handlePage(HttpExchange exchange) {
+		HashMap<String, String> post = IOHelper.GetPOSTKeyValues(exchange);
+		try {
+			final List<String> signatures = exchange.getRequestHeaders().get("Signature");
+			if (signatures.size() > 0 && post.containsKey("payload")
+					&& verifySignature(Base64.getDecoder().decode(post.get("payload")),
+							Base64.getDecoder().decode(signatures.get(0)), signature)) {
+				// TODO: Send event
+				return new Response(200, "All right", exchange);
+			}
+		} catch (Exception e) {
+			throw new RuntimeException(e);
+		}
+		return new Response(400, "Verification failed", exchange);
+	}
+
+	// Method for signature verification that initializes with the Public Key,
+	// updates the data to be verified and then verifies them using the signature
+	private boolean verifySignature(byte[] data, byte[] signature, String keystr) throws Exception {
+		Signature sig = Signature.getInstance("SHA1withRSA");
+		sig.initVerify(getPublic(keystr));
+		sig.update(data);
+
+		return sig.verify(signature);
+	}
+
+	// Method to retrieve the Public Key from a file
+	public PublicKey getPublic(String keystr) throws Exception {
+		byte[] keyBytes = Base64.getDecoder().decode(keystr);
+		X509EncodedKeySpec spec = new X509EncodedKeySpec(keyBytes);
+		KeyFactory kf = KeyFactory.getInstance("RSA");
+		return kf.generatePublic(spec);
+	}
+
+	public static JsonElement fromString(String json, String path) throws JsonSyntaxException {
+		JsonObject obj = new GsonBuilder().create().fromJson(json, JsonObject.class);
+		String[] seg = path.split("\\.");
+		for (String element : seg) {
+			if (obj != null) {
+				JsonElement ele = obj.get(element);
+				if (!ele.isJsonObject())
+					return ele;
+				else
+					obj = ele.getAsJsonObject();
+			} else {
+				return null;
+			}
+		}
+		return obj;
+	}
+}