Files
Raykosan-ComfyUI_RaykoStudio/Rayko_Styles_Loader.py
T

284 lines
11 KiB
Python

import os
import re
import logging
import json
from typing import Dict, List, Tuple, Optional, Any
import folder_paths
logger = logging.getLogger(__name__)
class RaykoStylesCSVLoader:
STYLES_FOLDER = "styles"
@classmethod
def get_node_dir(cls) -> str:
return os.path.dirname(os.path.abspath(__file__))
@classmethod
def get_styles_folder_path(cls) -> str:
return os.path.join(cls.get_node_dir(), cls.STYLES_FOLDER)
@classmethod
def get_available_style_files(cls) -> List[str]:
styles_folder = cls.get_styles_folder_path()
if not os.path.exists(styles_folder):
os.makedirs(styles_folder, exist_ok=True)
return []
files = [
f for f in os.listdir(styles_folder)
if os.path.isfile(os.path.join(styles_folder, f))
and f.lower().endswith('.csv')
]
return sorted(files)
@classmethod
def load_styles_csv(cls, styles_path: str) -> Dict[str, List[str]]:
styles = {}
if not os.path.exists(styles_path):
logger.error(f"Style file not found: {styles_path}")
return {}
try:
with open(styles_path, "r", encoding="utf-8") as f:
lines = f.readlines()
if not lines:
logger.warning(f"Empty file: {styles_path}")
return {}
for i, line in enumerate(lines[1:], 1):
line = line.strip()
if not line:
continue
parts = [
part.strip().strip('"') for part in re.split(
',(?=(?:[^"]*"[^"]*")*[^"]*$)', line
)
]
if len(parts) >= 3:
style_name = parts[0].strip()
positive_prompt = parts[1].strip()
negative_prompt = parts[2].strip()
styles[style_name] = [positive_prompt, negative_prompt]
else:
logger.warning(f"Invalid format in line {i}: {line}")
return styles
except Exception as e:
logger.error(f"Error loading styles from {styles_path}: {str(e)}")
return {}
@classmethod
def get_style_prompts(cls, style_file: str, style_name: str) -> Tuple[str, str]:
if not style_file or not style_name:
return ("", "")
# SECURITY: Sanitize filename to prevent path traversal
safe_filename = os.path.basename(style_file.strip())
styles_folder = cls.get_styles_folder_path()
file_path = os.path.join(styles_folder, safe_filename)
# SECURITY: Ensure resolved path stays within allowed folder
if not os.path.realpath(file_path).startswith(os.path.realpath(styles_folder) + os.sep):
logger.error(f"Path traversal attempt blocked: {style_file}")
return ("", "")
styles = cls.load_styles_csv(file_path)
if style_name in styles:
return (styles[style_name][0], styles[style_name][1])
style_name_clean = style_name.strip()
for key in styles:
if key.strip() == style_name_clean:
return (styles[key][0], styles[key][1])
return ("", "")
@classmethod
def INPUT_TYPES(cls) -> Dict[str, Any]:
return {
"required": {
"node_data": ("STRING", {
"default": "{}",
"hidden": True
}),
}
}
RETURN_TYPES = ("STRING", "STRING")
RETURN_NAMES = ("positive prompt", "negative prompt")
FUNCTION = "load_style"
CATEGORY = "🦊 RaykoStudio"
DESCRIPTION = "Loads and combines styles from CSV files for prompt generation."
@classmethod
def IS_CHANGED(cls, node_data="{}", **kwargs):
import hashlib
return hashlib.md5(node_data.encode()).hexdigest()
def load_style(self, node_data: str = "{}") -> Tuple[str, str]:
try:
data = json.loads(node_data) if node_data else {}
styles_list = data.get("styles", [])
if not styles_list:
return ("", "")
all_positive = []
all_negative = []
for style in styles_list:
name = style.get("name", "")
file = style.get("file", "")
enabled = style.get("enabled", True)
if name and enabled:
pos, neg = self.get_style_prompts(file, name)
if pos:
all_positive.append(pos)
if neg:
all_negative.append(neg)
final_positive = "\n".join(all_positive) if all_positive else ""
final_negative = "\n".join(all_negative) if all_negative else ""
return (final_positive, final_negative)
except Exception as e:
error_msg = f"Error loading styles: {str(e)}"
logger.error(error_msg)
return (error_msg, "")
class RaykoServer:
@classmethod
def _sanitize_filename(cls, filename: str, allowed_folder: str) -> Optional[str]:
"""
SECURITY: Prevent path traversal by sanitizing user-supplied filenames.
Returns safe filename or None if validation fails.
"""
if not filename:
return None
# Strip any directory components from the filename
safe_name = os.path.basename(filename.strip())
if not safe_name or not safe_name.lower().endswith('.csv'):
return None
# Ensure the final resolved path stays within the allowed folder
target_path = os.path.join(allowed_folder, safe_name)
real_target = os.path.realpath(target_path)
real_base = os.path.realpath(allowed_folder)
if not real_target.startswith(real_base + os.sep) and real_target != real_base:
logger.warning(f"Path traversal attempt blocked: {filename} -> {real_target}")
return None
return safe_name
@classmethod
def setup_routes(cls):
try:
from aiohttp import web
import server
@server.PromptServer.instance.routes.get("/rayko_get_csv_files")
async def get_csv_files(request):
try:
files = RaykoStylesCSVLoader.get_available_style_files()
return web.json_response(files)
except Exception as e:
logger.error(f"Error getting CSV files: {e}")
return web.json_response({"error": str(e)}, status=500)
@server.PromptServer.instance.routes.post("/rayko_upload_csv_file")
async def upload_csv_file(request):
try:
reader = await request.multipart()
field = await reader.next()
if not field or field.name != 'file':
return web.json_response({'error': 'No file provided'}, status=400)
original_filename = field.filename
styles_folder = RaykoStylesCSVLoader.get_styles_folder_path()
os.makedirs(styles_folder, exist_ok=True)
# SECURITY: Sanitize filename before use
safe_filename = cls._sanitize_filename(original_filename, styles_folder)
if not safe_filename:
return web.json_response({'error': 'Invalid or unsafe filename'}, status=400)
file_path = os.path.join(styles_folder, safe_filename)
# Write file content safely
try:
with open(file_path, 'wb') as f:
while True:
chunk = await field.read_chunk()
if not chunk:
break
f.write(chunk)
except Exception as write_err:
logger.error(f"Error writing file: {write_err}")
if os.path.exists(file_path):
os.remove(file_path)
return web.json_response({'error': 'Failed to save file'}, status=500)
return web.json_response({
'success': True,
'filename': safe_filename
})
except Exception as e:
logger.error(f"Error uploading file: {e}")
return web.json_response({'error': str(e)}, status=500)
@server.PromptServer.instance.routes.post("/rayko_get_styles_from_file")
async def get_styles_from_file(request):
try:
data = await request.json()
filename = data.get('filename')
if not filename:
return web.json_response({'error': 'No filename provided'}, status=400)
# SECURITY: Sanitize filename before use
safe_filename = cls._sanitize_filename(filename, RaykoStylesCSVLoader.get_styles_folder_path())
if not safe_filename:
return web.json_response({'error': 'Invalid filename'}, status=400)
styles_folder = RaykoStylesCSVLoader.get_styles_folder_path()
file_path = os.path.join(styles_folder, safe_filename)
styles = RaykoStylesCSVLoader.load_styles_csv(file_path)
return web.json_response({'styles': list(styles.keys())})
except Exception as e:
logger.error(f"Error loading styles: {e}")
return web.json_response({'error': str(e)}, status=500)
except Exception as e:
logger.error(f"Failed to register server routes: {e}")
try:
styles_folder = RaykoStylesCSVLoader.get_styles_folder_path()
os.makedirs(styles_folder, exist_ok=True)
except Exception as e:
logger.error(f"Failed to create styles folder: {e}")
try:
RaykoServer.setup_routes()
except Exception as e:
logger.error(f"Failed to setup server routes: {e}")
NODE_CLASS_MAPPINGS = {
"Rayko_Styles_CSV_Loader": RaykoStylesCSVLoader
}
NODE_DISPLAY_NAME_MAPPINGS = {
"Rayko_Styles_CSV_Loader": "🦊 RS Styles Loader"
}