Update images

Have to take the server down while map is generating. The minecraft overviewer
1.13 branch is abysmally slow generating a new map.

.gitignore

@@ -1,2 +1,4 @@
 server.log
 map
+map-old
+secrets.py

chat/server.py

@@ -1,12 +1,10 @@
-import calendar
 import logging
+import shlex
 import subprocess
-from datetime import datetime, timedelta
+import unicodedata
 
-import redis
 from flask import Flask, request
 
-conn = redis.Redis('localhost')
 app = Flask(__name__)
 
 
@@ -16,27 +14,31 @@ def setup_logging():
     app.logger.setLevel(logging.INFO)
 
 
+def sanitize_input(input):
+    input = "".join(ch for ch in input if unicodedata.category(ch)[0] != "C")
+    return shlex.quote(input.replace('^', ''))
+
+
 @app.route('/chat/', methods=['POST'])
 def send_chat():
     if request.method == 'POST':
-        ip = request.headers.get('X-Forwarded-For', request.remote_addr)
-        recent_ips = conn.hgetall("minecraft_chat_recent_ips")
-        now = datetime.utcnow()
-        if ip in recent_ips:
-            if (now - datetime.fromutctimestamp(recent_ips[ip])) > timedelta.seconds(30):
-                recent_ips[ip] = calendar.timegm(now.utctimetuple())
         if request.form.get('email', None):
             return 'Text was entered into honeypot!', 200
         if not request.form.get('say-text', None):
             return 'No message to send!', 422
         if request.form.get('say-username', None):
-            subprocess.call(['/usr/bin/screen', '-S', 'mc-panic-shack', '-p', '0', '-X', 'stuff',
+            subprocess.call([
-                             '/say [{}]: {}\015'.format(request.form['say-username'], request.form['say-text'])])
+                '/usr/bin/screen', '-S', 'mc-panic-shack', '-p', '0', '-X', 'stuff',
+                '/say [{}]: {}\015'.format(
+                    sanitize_input(request.form['say-username']),
+                    sanitize_input(request.form['say-text']))
+            ])
         else:
-            subprocess.call(['/usr/bin/screen', '-S', 'mc-panic-shack', '-p', '0', '-X', 'stuff',
+            subprocess.call([
-                             '/say {}\015'.format(request.form['say-text'])])
+                '/usr/bin/screen', '-S', 'mc-panic-shack', '-p', '0', '-X', 'stuff',
+                '/say {}\015'.format(sanitize_input(request.form['say-text']))
+            ])
         return 'Sending chat: ' + request.form.get('say-username', '') + ': ' + request.form['say-text']
 
-
 if __name__ == "__main__":
     app.run(host='0.0.0.0', port="8888")

config/minecraft-chat.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Gunicorn instance to serve minecraft-chat wsgi service
+After=network.target
+
+[Service]
+User=thallada
+Group=www-data
+WorkingDirectory=/var/www/panic-shack/chat
+Environment="PATH=/home/thallada/.virtualenvs/minecraft-chat/bin"
+ExecStart=/home/thallada/.virtualenvs/minecraft-chat/bin/gunicorn --workers 1 --bind unix:minecraft-chat.sock -m 007 server:app --log-file /srv/minecraft-panic-shack/gunicorn.log
+
+[Install]
+WantedBy=multi-user.target

config/minecraft@.service

@@ -0,0 +1,50 @@
+[Unit]
+Description=Minecraft Server %i
+After=network.target
+
+[Service]
+WorkingDirectory=/srv/minecraft-%i
+User=thallada
+Group=thallada
+ProtectSystem=full
+ProtectHome=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectControlGroups=true
+
+
+ExecStart=/bin/sh -c '/usr/bin/screen -DmLS mc-%i /usr/bin/java -server -Xms1G -Xmx2G -XX:+UseG1GC -XX:+CMSIncrementalPacing -XX:+CMSClassUnloadingEnabled -XX:ParallelGCThreads=2 -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -jar $(ls -v | grep -i "FTBServer.*jar\|minecraft_server.*jar" | head -n 1) nogui'
+
+ExecReload=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "reload"\\015'
+
+ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN IN 15 SECONDS..."\015'
+ExecStop=/bin/sleep 5
+ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN IN 10 SECONDS..."\015'
+ExecStop=/bin/sleep 5
+ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN IN 5 SECONDS..."\015'
+ExecStop=/bin/sleep 5
+ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN. Saving map..."\\015'
+ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "save-all"\\015'
+ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "stop"\\015'
+ExecStop=/bin/sleep 2
+
+Restart=on-failure
+RestartSec=60s
+
+[Install]
+WantedBy=multi-user.target
+
+#########
+# HowTo
+#########
+#
+# Create directory in /opt/minecraft-XX where XX is a name like 'survival'
+# Add minecraft_server.jar into dir with other conf files for minecraft server
+# 
+# Enable/Start systemd service
+#    systemctl enable minecraft@survival
+#    systemctl start minecraft@survival
+#
+# To run multiple servers simply create a new dir structure and enable/start it
+#    systemctl enable minecraft@creative
+# systemctl start minecraft@creative

config/nginx-panic-shack

@@ -0,0 +1,12 @@
+server {
+	listen 80;
+	listen [::]:80;
+
+	root /var/www/panic-shack;
+
+	server_name panic-shack.hallada.net;
+
+    location / {
+        return 301 https://panic-shack.hallada.net$request_uri;
+    }
+}

config/nginx-panic-shack-https

@@ -0,0 +1,36 @@
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+    server_name panic-shack.hallada.net;
+    root /var/www/panic-shack;
+
+    ssl_certificate /etc/letsencrypt/live/panic-shack.hallada.net/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/panic-shack.hallada.net/privkey.pem;
+    ssl_trusted_certificate /etc/letsencrypt/live/panic-shack.hallada.net/fullchain.pem;
+
+    location /notify {
+        deny all;
+        return 404;
+    }
+
+    location /config {
+        deny all;
+        return 404;
+    }
+
+    location / {
+        try_files $uri $uri/ $uri.php?$args =404;
+    }
+
+    location /old-worlds {
+        autoindex on;
+        try_files $uri $uri/ $uri.php?$args =404;
+    }
+
+    location /chat {
+        include uwsgi_params;
+        proxy_set_header X-Forwarded-Host $host:$server_port; proxy_set_header X-Forwarded-Server $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_pass http://unix:/var/www/panic-shack/chat/minecraft-chat.sock;
+    }
+}

config/overviewerConfig.py

@@ -0,0 +1,130 @@
+worlds["Death Pit"] = "/srv/minecraft-panic-shack/world"
+
+renders["normalrender"] = {
+    "world": "Death Pit",
+    "title": "North",
+    "rendermode": smooth_lighting,
+    "dimension": "overworld",
+    "northdirection": "upper-left",
+}
+
+renders["normalrendersouth"] = {
+    "world": "Death Pit",
+    "title": "South",
+    "rendermode": smooth_lighting,
+    "dimension": "overworld",
+    "northdirection": "lower-right",
+}
+
+renders["normalrenderwest"] = {
+    "world": "Death Pit",
+    "title": "West",
+    "rendermode": smooth_lighting,
+    "dimension": "overworld",
+    "northdirection": "upper-right",
+}
+
+renders["normalrendereast"] = {
+    "world": "Death Pit",
+    "title": "East",
+    "rendermode": smooth_lighting,
+    "dimension": "overworld",
+    "northdirection": "lower-left",
+}
+
+renders["nightrender"] = {
+    "world": "Death Pit",
+    "title": "Night North",
+    "rendermode": smooth_night,
+    "dimension": "overworld",
+    "northdirection": "upper-left",
+}
+
+renders["nightrendersouth"] = {
+    "world": "Death Pit",
+    "title": "Night South",
+    "rendermode": smooth_night,
+    "dimension": "overworld",
+    "northdirection": "lower-right",
+}
+
+renders["nightrenderwest"] = {
+    "world": "Death Pit",
+    "title": "Night West",
+    "rendermode": smooth_night,
+    "dimension": "overworld",
+    "northdirection": "upper-right",
+}
+
+renders["nightrendereast"] = {
+    "world": "Death Pit",
+    "title": "Night East",
+    "rendermode": smooth_night,
+    "dimension": "overworld",
+    "northdirection": "lower-left",
+}
+
+renders["caverender"] = {
+    "world": "Death Pit",
+    "title": "Cave North",
+    "rendermode": cave,
+    "dimension": "overworld",
+    "northdirection": "upper-left",
+}
+
+renders["caverendersouth"] = {
+    "world": "Death Pit",
+    "title": "Cave South",
+    "rendermode": cave,
+    "dimension": "overworld",
+    "northdirection": "lower-right",
+}
+
+renders["caverenderwest"] = {
+    "world": "Death Pit",
+    "title": "Cave West",
+    "rendermode": cave,
+    "dimension": "overworld",
+    "northdirection": "upper-right",
+}
+
+renders["caverendereast"] = {
+    "world": "Death Pit",
+    "title": "Cave East",
+    "rendermode": cave,
+    "dimension": "overworld",
+    "northdirection": "lower-left",
+}
+
+renders["netherrender"] = {
+    "world": "Death Pit",
+    "title": "Nether North",
+    "rendermode": nether,
+    "dimension": "nether",
+    "northdirection": "upper-left",
+}
+
+renders["netherrendersouth"] = {
+    "world": "Death Pit",
+    "title": "Nether South",
+    "rendermode": nether,
+    "dimension": "nether",
+    "northdirection": "lower-right",
+}
+
+renders["netherrenderwest"] = {
+    "world": "Death Pit",
+    "title": "Nether West",
+    "rendermode": nether,
+    "dimension": "nether",
+    "northdirection": "upper-right",
+}
+renders["netherrendereast"] = {
+    "world": "Death Pit",
+    "title": "Nether East",
+    "rendermode": nether,
+    "dimension": "nether",
+    "northdirection": "lower-left",
+}
+
+outputdir = "/var/www/panic-shack/map/"

css/styles.css

@@ -68,7 +68,7 @@ ol li code {
   margin-bottom: 2px;
 }
 
-#map-link {
+.map-link {
   display: block;
   text-align: center;
 }
@@ -130,3 +130,18 @@ ol li code {
   margin-top: 5px;
   margin-bottom: 0;
 }
+
+.maintenance-notice {
+  padding: 20px;
+  background: darkred;
+  color: white;
+}
+
+.maintenance-notice h3 {
+  margin: 0;
+  margin-right: 20px;
+}
+
+.maintenance-notice h3,span {
+  display: inline-block;
+}

index.html

@@ -7,9 +7,13 @@
         <meta charset="UTF-8">
     </head>
     <body>
+        <!-- <div class="maintenance-notice"> -->
+          <!-- <h3>Server is down</h3> -->
+          <!-- <span>ETA: 15 hours for generating a new Minecraft 1.13 map.</span> -->
+        <!-- </div> -->
         <div class="width-limit">
             <h1>Panic Shack - Minecraft Server</h1>
-            <img src="img/bridge.jpg" alt="Screenshot from the Minecraft server of a bridge over a lake in a jungle biome">
+            <img src="img/deathpit_shader_sm.png" alt="Screenshot from the Minecraft server of the swamp and the large house in the distance">
 
             <h2>Server Status</h2>
             <div id="server-status-error">
@@ -60,6 +64,7 @@
 
             <h2>How to Connect</h2>
             <ol>
+              <li>Email me at tyler@hallada.net with your Minecraft username to request to join the server</li>
               <li>Launch Minecraft (version <span id="info-server-name">1.12.2</span>)</li>
               <li>Go to "Multiplayer"</li>
               <li>Click "Add Server"</li>
@@ -69,16 +74,22 @@
               <li>You should now see the server in the list and be able to join it!</li>
             </ol>
 
-            <h2>Server Map</h2>
+            <h2>Server Maps</h2>
-            <a href="map/" id="map-link">
+            <a href="map/" class="map-link">
-              <img src="img/map.jpg" alt="Screenshot from the in-browser map of the server centered on the lake and bridge">
+              <img src="img/deathpit.png" alt="Screenshot from the in-browser map of the death pit server">
-              View the server map
+              View Death Pit map
             </a>
             <p class="small-text">
-              Map is updated every day around 3 am EST. Last updated:&nbsp;
+              This map is updated every day around 3 am EST. Last updated:&nbsp;
-              <span id="map-last-updated" class="small-text"></span>
+              <span id="map-last-updated" class="small-text"></span><br>
+            </p>
+            <a href="map-old/" class="map-link">
+              <img src="img/map-old.jpg" alt="Screenshot from the in-browser map of the panic-shack server centered on the lake and bridge">
+              View Panic Shack map
+            </a>
+            <p class="small-text">
+              This map was last updated: 04/04/2019.
             </p>
-
             <h2>Server Log</h2>
         </div>
         <pre id="server-log"></pre>
@@ -109,6 +120,59 @@
               <span id="say-error" class="inline"></span>
               <p id="say-notice" class="small-text">It may take a minute or two before the message appears in the above server log.</p>
             </form>
+
+            <hr>
+
+            <h2>Download Old Worlds</h2>
+            <p>
+              <a href="/old-worlds">Visit here to download all of the previous worlds on this server.</a> You can load
+              them in Minecraft and play them in single player by following
+              <a href="https://minecraft.gamepedia.com/Tutorials/Map_downloads">these instructions</a>.
+            </p>
+
+            <h2>Notices</h2>
+            <p>
+              <ul>
+                <li>
+                  <strong>September 5, 2020</strong>
+                  Server is back up and running on Minecraft 1.16.2 with a new map.
+                </li>
+                <li>
+                  <strong>May 18, 2020</strong>
+                  Hibernating this server for a while to save resources for a 7DaysToDie server instead.
+                </li>
+                <li>
+                  <strong>April 19, 2020</strong>
+                  I switched the server over to a Spigot 1.15.2 server with the Vivecraft extension installed.
+                </li>
+                <li>
+                  <strong>July 14, 2019:</strong>
+                  Upgraded the server to 1.14.3 and regenerated the map. It's now using the seed "hardlead".
+                </li>
+                <li>
+                  <strong>August 22, 2018:</strong>
+                  Upgraded the server yet again to 1.13.1.
+                </li>
+                <li>
+                  <strong>August 22, 2018:</strong>
+                  The map should now be updating again nightly at 3 am EST.
+                </li>
+                <li>
+                  <strong>August 16, 2018:</strong>
+                  I upgraded the server to Minecraft version 1.13. The map is no longer working on this version and
+                  won't update. I'll upgrade the map once it supports 1.13.
+                </li>
+                <li>
+                  <strong>April 15, 2018:</strong>
+                  The server has a user white-list. If you are not added to it then you cannot join the server.
+                  Email me at tyler@hallada.net to request to join the server.
+                </li>
+                <li>
+                  <strong>April 13, 2018:</strong>
+                  I doubled the memory on the server so the server shouldn't keep running out of memory and crashing.
+                </li>
+              </ul>
+            </p>
         </div>
 
         <script src="https://mcapi.us/scripts/minecraft.js"></script>

notify/notify_joins.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+# Read the Minecraft server log and diff it against the server log it saw last. If there any new joins in the diff, send
+# a notification.
+import codecs
+import os
+import re
+from datetime import datetime
+
+import requests
+
+from secrets import IFTTT_WEBHOOK_KEY_TYLER, IFTTT_WEBHOOK_KEY_KAELAN
+
+LOG_FILENAME = '/srv/minecraft-panic-shack/logs/latest.log'
+OLD_LOG_FILENAME = '/srv/minecraft-panic-shack/logs/last-read.log'
+USERNAME_BLACKLIST = ['anarchyeight', 'kinedactyl']
+IFTTT_EVENT_NAME = 'user_joined_panic_shack'
+
+
+def read_log(filename):
+    with codecs.open(filename, encoding='utf-8') as log:
+        return log.readlines()
+
+
+def save_log(filename, lines):
+    with codecs.open(filename, 'w', encoding='utf-8') as log:
+        log.writelines(lines)
+
+
+if __name__ == '__main__':
+    if (datetime.fromtimestamp(os.path.getmtime(LOG_FILENAME)) >
+            datetime.fromtimestamp(os.path.getmtime(OLD_LOG_FILENAME))):
+        new_log = read_log(LOG_FILENAME)
+        old_log = read_log(OLD_LOG_FILENAME)
+        if new_log[0] != old_log[0]:
+            # A log rotate occured
+            old_log = []
+        if len(new_log) > len(old_log):
+            for new_line in new_log[len(old_log):]:
+                match = re.match('[\[][0-9:]+[\]]\s[\[]Server thread/INFO]: (\S+) joined the game', new_line)
+                if match:
+                    username = match.group(1)
+                    if username not in USERNAME_BLACKLIST:
+                        # IFTTT does not support sharing Applets anymore :(
+                        r = requests.post(
+                            'https://maker.ifttt.com/trigger/{}/with/key/{}'.format(IFTTT_EVENT_NAME,
+                                                                                    IFTTT_WEBHOOK_KEY_TYLER),
+                            data={'value1': username})
+                        r = requests.post(
+                            'https://maker.ifttt.com/trigger/{}/with/key/{}'.format(IFTTT_EVENT_NAME,
+                                                                                    IFTTT_WEBHOOK_KEY_KAELAN),
+                            data={'value1': username})
+        save_log(OLD_LOG_FILENAME, new_log)

old-worlds

@@ -0,0 +1 @@
+/srv/minecraft-panic-shack/old-worlds

tox.ini

@@ -0,0 +1,2 @@
+[flake8]
+max_line_length = 120