58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
from __future__ import annotations
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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sys.path.insert(0, str(Path(__file__).resolve().parents[3]))
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from backend.app.api.errors import AppError
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from backend.app.security.path_guard import PathGuard
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class PathGuardTest(unittest.TestCase):
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def setUp(self) -> None:
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self.temp_dir = tempfile.TemporaryDirectory()
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self.root = Path(self.temp_dir.name) / "root"
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self.root.mkdir(parents=True, exist_ok=True)
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self.other = Path(self.temp_dir.name) / "other"
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self.other.mkdir(parents=True, exist_ok=True)
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self.guard = PathGuard({"storage1": str(self.root)})
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def tearDown(self) -> None:
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self.temp_dir.cleanup()
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def test_resolve_under_whitelisted_root(self) -> None:
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target = self.root / "series"
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target.mkdir()
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resolved = self.guard.resolve_directory_path("storage1/series")
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self.assertEqual(resolved.alias, "storage1")
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self.assertEqual(resolved.relative, "storage1/series")
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self.assertEqual(resolved.absolute, target.resolve())
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def test_rejects_path_traversal(self) -> None:
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with self.assertRaises(AppError) as ctx:
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self.guard.resolve_path("storage1/../etc")
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self.assertEqual(ctx.exception.code, "path_traversal_detected")
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self.assertEqual(ctx.exception.status_code, 403)
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def test_rejects_symlink_escape(self) -> None:
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outside_dir = self.other / "escape"
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outside_dir.mkdir()
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symlink = self.root / "link"
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symlink.symlink_to(outside_dir, target_is_directory=True)
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with self.assertRaises(AppError) as ctx:
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self.guard.resolve_directory_path("storage1/link")
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self.assertEqual(ctx.exception.code, "path_outside_whitelist")
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self.assertEqual(ctx.exception.status_code, 403)
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if __name__ == "__main__":
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unittest.main()
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