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bloodwiing
2023-12-11 01:08:29 +02:00
commit 085fc2ee36
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Server/.gitignore
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store
Server/.idea/.gitignore
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# Default ignored files
/shelf/
/workspace.xml
Server/.idea/encodings.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$/../Lib/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/../Lib/src/main/resources" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
</component>
</project>
Server/.idea/misc.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/pom.xml" />
<option value="$PROJECT_DIR$/../Lib/pom.xml" />
<option value="$PROJECT_DIR$/../Client/pom.xml" />
</list>
</option>
<option name="ignoredFiles">
<set>
<option value="$PROJECT_DIR$/../Client/pom.xml" />
</set>
</option>
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<component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>
Server/.idea/runConfigurations/Program.xml
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<component name="ProjectRunConfigurationManager">
<configuration default="false" name="Program" type="Application" factoryName="Application">
<option name="MAIN_CLASS_NAME" value="dev.wiing.gossip.server.Program" />
<module name="Server" />
<method v="2">
<option name="Make" enabled="true" />
</method>
</configuration>
</component>
Server/.idea/uiDesigner.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Palette2">
<group name="Swing">
<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
</item>
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<default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
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<property name="text" value="Button" />
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<initial-values>
<property name="text" value="CheckBox" />
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Server/.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
</component>
</project>
Server/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>dev.wiing.gossip</groupId>
<artifactId>Server</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>dev.wiing.gossip</groupId>
<artifactId>Lib</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
Server/src/main/java/dev/wiing/gossip/server/Database.java
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package dev.wiing.gossip.server;
import dev.wiing.gossip.lib.models.SecretUser;
import dev.wiing.gossip.lib.models.User;
import java.security.SecureRandom;
import java.util.*;
public class Database {
private final Map<Long, User> users = Collections.synchronizedMap(new HashMap<>());
private final Map<byte[], User> usersBySecret = Collections.synchronizedMap(new HashMap<>());
private final Set<String> usedUsernames = Collections.synchronizedSet(new HashSet<>());
private Database() {
}
private static final Database instance = new Database();
public static Database getInstance() {
return instance;
}
public SecretUser registerUser(String username, char iconID) {
SecureRandom random = new SecureRandom();
byte[] secret = new byte[32];
random.nextBytes(secret);
long userID = random.nextLong();
User user = new User(username, iconID, userID);
users.put(userID, user);
usersBySecret.put(secret, user);
usedUsernames.add(username);
System.out.println("Created user: " + username + " #" + Long.toUnsignedString(userID));
return new SecretUser(username, iconID, userID, secret);
}
public User getUserByID(long uID) {
return users.getOrDefault(uID, null);
}
public User getUserByUsername(String username) {
return users.values().stream()
.filter(user -> user.getUsername().equals(username))
.findFirst()
.orElse(null);
}
public User getUserBySecret(byte[] secret) {
return usersBySecret.getOrDefault(secret, null);
}
public void removeUser(User user) {
users.remove(user.getUserID());
usersBySecret.entrySet().stream()
.filter(userEntry -> userEntry.getValue().getUserID() == user.getUserID())
.map(Map.Entry::getKey)
.findFirst()
.ifPresent(usersBySecret::remove);
usedUsernames.remove(user.getUsername());
}
}
Server/src/main/java/dev/wiing/gossip/server/Globals.java
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package dev.wiing.gossip.server;
import dev.wiing.gossip.lib.PacketHandler;
import dev.wiing.gossip.lib.PacketManager;
public class Globals {
private static final PacketManager packetManager = new PacketManager();
public static PacketManager getPacketManager() {
return packetManager;
}
private static final PacketHandler packetHandler = new PacketHandler();
public static PacketHandler getPacketHandler() {
return packetHandler;
}
}
Server/src/main/java/dev/wiing/gossip/server/Program.java
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package dev.wiing.gossip.server;
import dev.wiing.gossip.lib.Config;
import dev.wiing.gossip.lib.packets.RegisterPacket;
import dev.wiing.gossip.lib.packets.TestPacket;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
public class Program {
public static void main(String[] args) throws IOException {
Globals.getPacketManager().registerPackets();
int port = Config.getPort();
try (ServerSocket listener = new ServerSocket(port)) {
while (true){
Socket socket = listener.accept();
UserSocket userSocket = new UserSocket(socket);
Thread thread = new Thread(userSocket);
thread.start();
}
}
}
}
Server/src/main/java/dev/wiing/gossip/server/UserSocket.java
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package dev.wiing.gossip.server;
import dev.wiing.gossip.lib.models.SecretUser;
import dev.wiing.gossip.lib.models.User;
import dev.wiing.gossip.lib.packets.CredentialsPacket;
import dev.wiing.gossip.lib.packets.RegisterPacket;
import dev.wiing.gossip.lib.packets.Packet;
import dev.wiing.gossip.lib.packets.TestPacket;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.SocketException;
public record UserSocket(Socket socket) implements Runnable {
@Override
public void run() {
while (true) {
try {
if (!socket.isConnected())
break;
Packet packet = Globals.getPacketManager().readPacket(new BufferedInputStream(socket.getInputStream()));
if (packet == null) continue;
packet.setSource(socket);
switch (packet.getType()) {
case RegisterPacket.TYPE:
onRegisterUser((RegisterPacket) packet);
break;
}
} catch (SocketException e) {
break;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
private void onRegisterUser(RegisterPacket packet) {
SecretUser user = Database.getInstance().registerUser(packet.getUsername(), packet.getIconID());
CredentialsPacket creds = new CredentialsPacket();
creds.setSecret(user.getUserSecret());
creds.setUID(user.getUserID());
try {
Globals.getPacketManager().writePacket(packet.getSource().getOutputStream(), creds);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
Server/src/main/java/module-info.java
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module dev.wiing.gossip.server {
requires dev.wiing.gossip.lib;
}