97 lines
3.5 KiB
Python
97 lines
3.5 KiB
Python
import hashlib
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import folder_paths # noqa # as-root
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from comfy.cli_args import args # noqa # as-root
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from PIL import Image, ImageOps
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from PIL.PngImagePlugin import PngInfo
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from Crypto.Cipher import AES
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from Crypto.Util.Padding import pad, unpad
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from Crypto.Random import get_random_bytes
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from .categories import CATE_IMAGE
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from io import BytesIO
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import numpy as np
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import json
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import os
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class FESaveEncryptImage:
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def __init__(self):
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self.output_dir = folder_paths.get_output_directory()
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self.type = "output"
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self.prefix_append = ""
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"images": ("IMAGE",),
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"filename_prefix": ("STRING", {"default": "CCUI"}),
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"password": ("STRING", {"default": ""}),
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"erase_pwd_in_meta": (["yes", "no"], {"default": "yes"}),
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},
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"hidden": {"prompt": "PROMPT", "extra_pnginfo": "EXTRA_PNGINFO"},
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}
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RETURN_TYPES = ()
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FUNCTION = "save_images"
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OUTPUT_NODE = True
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CATEGORY = CATE_IMAGE
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def erase_pwd(self, inp, pwd):
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return inp.replace(pwd, "********")
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def save_images(self, images, filename_prefix="CCUI", password="", erase_pwd_in_meta="yes", prompt=None,
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extra_pnginfo=None):
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filename_prefix += self.prefix_append
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full_output_folder, filename, counter, subfolder, filename_prefix = folder_paths.get_save_image_path(
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filename_prefix, self.output_dir, images[0].shape[1], images[0].shape[0])
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results = list()
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for image in images:
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i = 255. * image.cpu().numpy()
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img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
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metadata = None
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if not args.disable_metadata:
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metadata = PngInfo()
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dumppwd = json.dumps(password)[1:-1]
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if prompt is not None:
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ppr_ = json.dumps(prompt)
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if erase_pwd_in_meta == "yes" and password:
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ppr_ = self.erase_pwd(ppr_, dumppwd)
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metadata.add_text("prompt", ppr_)
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if extra_pnginfo is not None:
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for x in extra_pnginfo:
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ppr_ = json.dumps(extra_pnginfo[x])
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if erase_pwd_in_meta == "yes" and password:
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ppr_ = self.erase_pwd(ppr_, dumppwd)
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metadata.add_text(x, ppr_)
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if password:
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file = f"{filename}_{counter:05}_.epng"
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imgio = BytesIO()
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img.save(imgio, "PNG", pnginfo=metadata, compress_level=4)
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key = hashlib.sha256(password.encode("utf-8")).digest()
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iv = get_random_bytes(16)
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cipher = AES.new(key, AES.MODE_CBC, iv)
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cipher_text = cipher.encrypt(pad(imgio.getvalue(), AES.block_size))
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outio = BytesIO()
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outio.write(b"EPNG")
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outio.write(cipher_text)
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outio.write(iv)
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with open(os.path.join(full_output_folder, file), "wb") as f:
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f.write(outio.getvalue())
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else:
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file = f"{filename}_{counter:05}_.png"
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img.save(os.path.join(full_output_folder, file), pnginfo=metadata, compress_level=4)
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results.append({
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"filename": file,
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"subfolder": subfolder,
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"type": self.type
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})
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counter += 1
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return {"ui": {"images": results}}
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