Add divide function for Graphite review demo

[hjjj1]

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[hjjj1]

• Add divide function for Graphite review demo #2 👈 (View in Graphite)
• master

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[hjjj1]

1

[graphite-app]

Critical security vulnerability: unrestricted file path allows directory traversal attacks (e.g., ../../etc/passwd).

Fix by validating the file path:

import os

def load_user_file(filename):
    # Validate filename to prevent path traversal
    if '..' in filename or filename.startswith('/'):
        raise ValueError("Invalid filename")
    safe_path = os.path.join('/safe/directory/', filename)
    with open(safe_path, 'r') as f:
        return f.read()

Suggested change

	def load_user_file(filename):
	# 文件路径未校验，可能导致路径遍历攻击
	with open(filename, "r") as f:
	return f.read()
	import os
	def load_user_file(filename):
	# Validate filename to prevent path traversal
	if ".." in filename or filename.startswith("/"):
	raise ValueError("Invalid filename")
	safe_path = os.path.join("/safe/directory/", filename)
	with open(safe_path, "r") as f:
	return f.read()

Spotted by Graphite



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