1 files changed, 141 insertions, 0 deletions
diff --git a/src/main/java/de/torui/coflsky/minecraft_integration/CoflSessionManager.java b/src/main/java/de/torui/coflsky/minecraft_integration/CoflSessionManager.java
new file mode 100644
index 0000000..ebff38a
--- /dev/null
+++ b/src/main/java/de/torui/coflsky/minecraft_integration/CoflSessionManager.java
@@ -0,0 +1,141 @@
+package de.torui.coflsky.minecraft_integration;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.Duration;
+import java.time.LocalDateTime;
+import java.time.ZonedDateTime;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonWriter;
+
+import net.minecraftforge.fml.common.Loader;
+
+public class CoflSessionManager {
+	private static Gson gson = new GsonBuilder()  .registerTypeAdapter(ZonedDateTime.class, new TypeAdapter<ZonedDateTime>() {
+        @Override
+        public void write(JsonWriter out, ZonedDateTime value) throws IOException {
+            out.value(value.toString());
+        }
+
+        @Override
+        public ZonedDateTime read(JsonReader in) throws IOException {
+            return ZonedDateTime.parse(in.nextString());
+        }
+    })
+    .enableComplexMapKeySerialization().create();
+	public static class CoflSession {
+		
+		public String SessionUUID;
+		public ZonedDateTime timestampCreated;
+		public CoflSession() {}
+		public CoflSession(String sessionUUID, ZonedDateTime timestampCreated) {
+			super();
+			SessionUUID = sessionUUID;
+			this.timestampCreated = timestampCreated;
+		}
+		
+	}
+	
+	public static void UpdateCoflSessions() throws IOException {
+		Map<String, CoflSession> sessions = GetCoflSessions();
+		
+		for (String username : sessions.keySet()) {
+			if(!isValidSession(sessions.get(username))) {
+				DeleteCoflSession(username);
+			}
+		}
+	}
+	
+	public static Path GetTempFileFolder() {
+		
+		Path dataPath = Paths.get(Loader.instance().getConfigDir().getPath(), "CoflSky", "sessions");
+		dataPath.toFile().mkdirs();
+		
+		return dataPath;
+	}
+	
+	public static Map<String, CoflSession> GetCoflSessions() throws IOException{
+		
+		File[] sessions = GetTempFileFolder().toFile().listFiles();
+		
+		Map<String, CoflSession> map = new HashMap<>();
+		
+		for (int i= 0; i<sessions.length;i++) {
+			map.put(sessions[i].getName(),  GetCoflSession(sessions[i].getName()));
+		}
+		
+		return map;
+	}
+	
+	public static boolean isValidSession(CoflSession session) {
+		if(session.timestampCreated.plus(Duration.ofDays(7)).isAfter(ZonedDateTime.now())) {
+			return true;
+		}
+		return false;
+	}
+	
+	private static Path GetUserPath(String username) {
+		return Paths.get(GetTempFileFolder().toString() + "/" + username);
+	}
+	public static void DeleteCoflSession(String username) {
+		Path path =GetUserPath(username);
+		path.toFile().delete();
+	}
+	public static void DeleteAllCoflSessions() {
+		Path path =GetTempFileFolder();
+		path.toFile().delete();
+	}
+	
+	public static CoflSession GetCoflSession(String username) throws IOException {
+		Path path = GetUserPath(username);
+		File file = path.toFile();
+		
+		if(!file.exists()) {
+			CoflSession session = new CoflSession(UUID.randomUUID().toString(), ZonedDateTime.now());
+			OverwriteCoflSession(username, session);
+			return session;
+		}
+		
+		BufferedReader reader = new BufferedReader( new InputStreamReader(new FileInputStream(file)));
+		String raw = reader.lines().collect(Collectors.joining("\n"));
+		
+		reader.close();
+		CoflSession session = gson.fromJson(raw, CoflSession.class);
+		return session;
+	}
+	
+	public static boolean OverwriteCoflSession(String username, CoflSession session) throws IOException {
+		
+		
+		Path path = GetUserPath(username);
+		File file = path.toFile();
+		file.createNewFile();
+		
+		String data = gson.toJson(session);
+		
+		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
+		bw.append(data);
+		bw.flush();
+		bw.close();
+		
+		return true;
+	}
+}