Add instance whitelist

bot/config.py

@@ -49,6 +49,8 @@ INSTANCE = config['credentials']['Instance'].lower()
 ADMINS = json.loads(config['application']['DefaultAdmins'])
 # SQLite Database location
 DB_PATH = config['application']['DatabaseLocation']
+# Whether to enable the instance whitelist
+USE_WHITELIST = config['application']['UseWhitelist']
 
 NOTIFICATION_POLL_INTERVAL = int(config['notification']['PollInterval'])
 NOTIFICATION_BATCH_SIZE = int(config['notification']['BatchSize'])

bot/db_utils.py

@@ -146,6 +146,35 @@ DESC",
     return row[0] if row else 0
 
 
+def add_to_whitelist(instance: str) -> bool:
+    '''Adds an instance to the whitelist, returns false if instance was already
+    present'''
+    try:
+        CURSOR.execute(
+            'INSERT INTO instance_whitelist (tld) VALUES (?)', (instance,))
+        return True
+    except sqlite3.IntegrityError:
+        return False
+
+
+def remove_from_whitelist(instance: str) -> bool:
+    '''Removes an instance to the whitelist, returns false if instance was not
+    present'''
+    CURSOR.execute(
+        'DELETE FROM instance_whitelist WHERE tld = ?', (instance,))
+    return CURSOR.rowcount > 0
+
+
+def is_whitelisted(instance: str) -> bool:
+    '''Checks whether an instance is in the whitelist'''
+    if instance == 'local':
+        return True
+    CURSOR.execute(
+        'SELECT * FROM instance_whitelist WHERE tld = ?', (instance,))
+    row = CURSOR.fetchone()
+    return row is not None
+
+
 def get_config(key: str) -> str:
     '''Reads the value for a specified config key from the db'''
     CURSOR.execute("SELECT value FROM config WHERE key = ?", (key,))

bot/notification.py

@@ -4,9 +4,9 @@ from typing import Dict, Any
 import misskey
 from misskey.exceptions import MisskeyAPIException
 
-from config import NOTIFICATION_BATCH_SIZE
+from config import NOTIFICATION_BATCH_SIZE, USE_WHITELIST
 from parsing import parse_notification
-from db_utils import get_config, set_config
+from db_utils import get_config, set_config, is_whitelisted
 from response import generate_response
 from custom_types import BotResponse
 
@@ -24,7 +24,7 @@ def process_notification(
     host = user.get('host')  # None if local user
     instance = host if host else 'local'
 
-    if not (instance in WHITELISTED_INSTANCES or instance == 'local'):
+    if USE_WHITELIST and not is_whitelisted(instance):
         print(f'⚠️ Blocked notification from untrusted instance: {instance}')
         return
 

bot/response.py

@@ -1,7 +1,6 @@
 from datetime import datetime, timedelta, timezone
 from typing import TypedDict, Any, List, Dict
-from db_utils import get_player, insert_player, delete_player, insert_pull, \
-        get_last_rolled_at, get_random_card, is_player_administrator
+import db_utils as db
 from add_card import add_card
 from config import GACHA_ROLL_INTERVAL
 from custom_types import BotResponse, ParsedNotification
@@ -9,7 +8,7 @@ from custom_types import BotResponse, ParsedNotification
 
 def do_roll(author: str) -> BotResponse:
     '''Determines whether the user can roll, then pulls a random card'''
-    user_id = get_player(author)
+    user_id = db.get_player(author)
     if not user_id:
         return {
             'message': f'{author} 🛑 You haven’t signed up yet! Use the \
@@ -17,7 +16,7 @@ def do_roll(author: str) -> BotResponse:
             'attachment_urls': None
         }
     # Get date of user's last roll
-    date = get_last_rolled_at(user_id)
+    date = db.get_last_rolled_at(user_id)
 
     # No date means it's users first roll
     if date:
@@ -46,7 +45,7 @@ def do_roll(author: str) -> BotResponse:
                 'attachment_urls': None
             }
 
-    card = get_random_card()
+    card = db.get_random_card()
 
     if not card:
         return {
@@ -55,7 +54,7 @@ cards found. 😿',
             'attachment_urls': None
         }
 
-    insert_pull(user_id, card['id'])
+    db.insert_pull(user_id, card['id'])
     stars = '⭐️' * card['rarity']
     return {
         'message': f'{author} 🎲 Congrats! You rolled {stars} \
@@ -66,7 +65,7 @@ cards found. 😿',
 
 def do_signup(author: str) -> BotResponse:
     '''Registers a new user if they haven’t signed up yet.'''
-    user_id = get_player(author)
+    user_id = db.get_player(author)
 
     if user_id:
         return {
@@ -75,7 +74,7 @@ begin~ 🎲',
             'attachment_urls': None
         }
 
-    new_user_id = insert_player(author)
+    new_user_id = db.insert_player(author)
     return {
             'message': f'{author} ✅ Signed up successfully! Your gacha \
 destiny begins now... ✨ Use the roll command to start!',
@@ -164,7 +163,7 @@ and all your cards.\n'
 
 
 def confirm_delete(author: str) -> BotResponse:
-    delete_player(author)
+    db.delete_player(author)
 
     return {
         'message': f'{author} 🧼 Your account and all your cards have been \
@@ -173,14 +172,43 @@ deleted. RIP your gacha history 🕊️✨',
     }
 
 
-def do_admin_test(author: str) -> BotResponse:
-    player_id = get_player(author)
-    is_admin = is_player_administrator(player_id)
-    return {
-        'message': f'{author} You are {"not " if not is_admin else ""}an \
-admin.',
-        'attachment_urls': None
-    }
+def do_whitelist(author: str, args: list[str]) -> BotResponse:
+    if len(args) == 0:
+        return {
+            'message': f'{author} Please specify an instance to whitelist',
+            'attachment_urls': None
+        }
+
+    if db.add_to_whitelist(args[0]):
+        return {
+            'message': f'{author} Whitelisted instance: {args[0]}',
+            'attachment_urls': None
+        }
+    else:
+        return {
+            'message': f'{author} Instance already whitelisted: {args[0]}',
+            'attachment_urls': None
+        }
+
+
+def do_unwhitelist(author: str, args: list[str]) -> BotResponse:
+    if len(args) == 0:
+        return {
+            'message': f'{author} Please specify an instance to remove from \
+the whitelist',
+            'attachment_urls': None
+        }
+
+    if db.remove_from_whitelist(args[0]):
+        return {
+            'message': f'{author} Unwhitelisted instance: {args[0]}',
+            'attachment_urls': None
+        }
+    else:
+        return {
+            'message': f'{author} Instance not whitelisted: {args[0]}',
+            'attachment_urls': None
+        }
 
 
 def generate_response(notification: ParsedNotification) -> BotResponse | None:
@@ -190,7 +218,7 @@ def generate_response(notification: ParsedNotification) -> BotResponse | None:
     # Temporary response variable
     res: BotResponse | None = None
     author = notification['author']
-    player_id = get_player(author)
+    player_id = db.get_player(author)
     command = notification['command']
 
     # Unrestricted commands
@@ -220,14 +248,25 @@ def generate_response(notification: ParsedNotification) -> BotResponse | None:
             res = delete_account(author)
         case 'confirm_delete_account':
             res = confirm_delete(author)
-        case 'admin_test':
-            res = do_admin_test(author)
         case _:
             pass
 
     # Commands beyond this point require the user to be an administrator
-    if not is_player_administrator(player_id):
+    if not db.is_player_administrator(player_id):
         return res
 
+    # Admin commands
+    match command:
+        case 'whitelist':
+            res = do_whitelist(author, notification['arguments'])
+        case 'unwhitelist':
+            res = do_unwhitelist(author, notification['arguments'])
+        # case 'ban':
+        #     res = do_ban(author, notification['arguments'])
+        # case 'unban':
+        #     res = do_unban(author, notification['arguments'])
+        case _:
+            pass
+
     # Administrator commands go here
     return res

example_config.ini

@@ -2,9 +2,12 @@
 [application]
 ; Comma separated list of fedi handles for any administrator users
 ; More can be added through the application
-DefaultAdmins    = ["@localadmin", "remoteadmin@example.tld"]
+DefaultAdmins    = ["@localadmin", "@remoteadmin@example.tld"]
 ; SQLite Database location
 DatabaseLocation = ./gacha_game.db
+; Whether to lmit access to the bot via an instance whitelist
+; The whitelist can be adjusted via the application
+UseWhitelist     = False
 
 [gacha]
 ; Number of seconds players have to wait between rolls