Support file uploads for setting finger status

config.py

@@ -15,3 +15,27 @@ class Config:
     MAIL_USE_TLS = os.environ.get('MAIL_USE_TLS', 'true').lower() in ['true', 'on', '1']
     MAIL_USERNAME = os.environ.get('MAIL_USERNAME')
     MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
+    
+    # File upload configuration
+    MAX_CONTENT_LENGTH = int(os.environ.get('MAX_FILE_SIZE', 16 * 1024 * 1024))  # 16MB default
+    UPLOAD_FOLDER = '/tmp'
+    ALLOWED_EXTENSIONS = {'txt'}
+    
+    # Remote server configuration for SCP
+    REMOTE_HOST = os.environ.get('REMOTE_HOST') or 'example.com'
+    REMOTE_USER = os.environ.get('REMOTE_USER') or 'user'
+    REMOTE_PATH = os.environ.get('REMOTE_PATH') or '/home/user/uploads/'
+    REMOTE_PORT = int(os.environ.get('REMOTE_PORT', 22))
+    REMOTE_PRIVATE_KEY = os.environ.get('REMOTE_PRIVATE_KEY')  # Path to SSH private key file
+    SCP_ENABLED = os.environ.get('SCP_ENABLED', 'false').lower() == 'true'
+    
+    # Basic authentication credentials - multiple users support
+    # Environment variable format: "user1:pass1,user2:pass2,user3:pass3"
+    BASIC_AUTH_USERS_STR = os.environ.get('BASIC_AUTH_USERS') or 'admin:password,uploader:upload123,user:user123'
+    
+    # Parse users string into dictionary
+    BASIC_AUTH_USERS = {}
+    for user_pass in BASIC_AUTH_USERS_STR.split(','):
+        if ':' in user_pass:
+            username, password = user_pass.strip().split(':', 1)  # Split only on first colon
+            BASIC_AUTH_USERS[username.strip()] = password.strip()