src/de/steamwar/bungeecore/bot/SteamwarDiscordBot.java

@@ -104,6 +104,7 @@ public class SteamwarDiscordBot {
             new DiscordTicketListener();
             new DiscordAuthListener();
             new DiscordEventListener();
+            new PrivateMessageListener();
             announcementListener = new AnnouncementListener();
             ingameChatListener = new IngameChatListener();
             serverTeamChatListener = new ServerTeamChatListener();

src/de/steamwar/bungeecore/bot/listeners/PrivateMessageListener.java

@@ -0,0 +1,75 @@
+/*
+ * This file is a part of the SteamWar software.
+ * <p>
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bungeecore.bot.listeners;
+
+import de.steamwar.bungeecore.BungeeCore;
+import de.steamwar.bungeecore.sql.Punishment;
+import de.steamwar.bungeecore.sql.SchematicNode;
+import de.steamwar.bungeecore.sql.SteamwarUser;
+import net.dv8tion.jda.api.entities.Message;
+import net.dv8tion.jda.api.events.message.priv.PrivateMessageReceivedEvent;
+
+public class PrivateMessageListener extends BasicDiscordListener {
+
+    @Override
+    public void onPrivateMessageReceived(PrivateMessageReceivedEvent event) {
+        if(!event.getMessage().getAttachments().isEmpty()) {
+            SteamwarUser user = SteamwarUser.get(event.getAuthor().getIdLong());
+            if (user == null) {
+                event.getMessage().reply("Du must dein Minecraft Account mit dem Bot verbinden, gehe dazu auf dem SteamWar Discord in den `regeln-infos` Channel und Klicke auf `Minecraft Verknüpfen`").complete();
+                return;
+            }
+
+            if(user.isPunished(Punishment.PunishmentType.NoSchemReceiving)) {
+                event.getMessage().reply("Du darfst keine Schematics hochladen").complete();
+                return;
+            }
+
+            for (Message.Attachment attachment : event.getMessage().getAttachments()) {
+                if(attachment.getFileExtension() == null ||
+                        (!attachment.getFileExtension().equalsIgnoreCase("schem") &&
+                        !attachment.getFileExtension().equalsIgnoreCase("schematic"))) {
+                    event.getMessage().reply("`" + attachment.getFileName() + "` wird ignoriert, da die Datei keine Schematic ist").queue();
+                    continue;
+                }
+
+                boolean newFormat = attachment.getFileExtension().equalsIgnoreCase("schem");
+                int dot = attachment.getFileName().lastIndexOf(".");
+                String name = attachment.getFileName().substring(0, dot);
+                if(SchematicNode.invalidSchemName(new String[] {name})) {
+                    event.getMessage().reply("`" + name + "` hat nicht zugelassene Zeichen im Namen").queue();
+                    continue;
+                }
+
+                SchematicNode node = SchematicNode.getSchematicNode(user.getId(), name, 0);
+                if(node == null) {
+                    node = SchematicNode.createSchematic(user.getId(), name, null);
+                }
+
+                try {
+                    node.saveFromStream(attachment.retrieveInputStream().get(), newFormat);
+                    event.getMessage().reply("`" + name + "` wurde erfolgreich hochgeladen").queue();
+                } catch (Exception e) {
+                    event.getMessage().reply("`" + name + "` konnte nicht hochgeladen werden, bitte versuche es später nochmal oder wende dich an einen Developer").queue();
+                    BungeeCore.log("Could not Upload Schem \"" + name + "\" from User \"" + user.getUserName() + "\"" + e);
+                }
+            }
+        }
+    }
+}

src/de/steamwar/bungeecore/sql/SchematicNode.java

@@ -19,6 +19,8 @@
 
 package de.steamwar.bungeecore.sql;
 
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -467,4 +469,39 @@ public class SchematicNode {
         SchematicNode node = (SchematicNode) obj;
         return node.getId() == id;
     }
+
+    public void saveFromStream(InputStream stream, boolean newFormat) {
+        if(isDir)
+            throw new SecurityException("Node is Directory");
+        updateDatabase(stream, newFormat);
+    }
+
+    private void updateDatabase(InputStream blob, boolean newFormat) {
+        updateDatabase.update(blob, newFormat, id);
+        schemFormat = newFormat;
+    }
+
+    private static final List<String> FORBIDDEN_NAMES = Collections.unmodifiableList(Arrays.asList("public"));
+
+    public static boolean invalidSchemName(String[] layers) {
+        for (String layer : layers) {
+            if (layer.isEmpty()) {
+                return true;
+            }
+            if (layer.contains("/") ||
+                    layer.contains("\\") ||
+                    layer.contains("<") ||
+                    layer.contains(">") ||
+                    layer.contains("^") ||
+                    layer.contains("°") ||
+                    layer.contains("'") ||
+                    layer.contains("\"")) {
+                return true;
+            }
+            if(FORBIDDEN_NAMES.contains(layer.toLowerCase())) {
+                return true;
+            }
+        }
+        return false;
+    }
 }