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https://github.com/norandom/OpenUltraSAST.git
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Marius CiepluchandClaude Opus 5.5
4b38239f68
Board as immutable versioned blobs (coordinator sole writer); budget reserve/settle before model calls; per-task and run caps; coordinator loop over an injected executor; batch.py accepts a fixed allow-list of search variables; XSS browser oracle; ousast-search-task image (Python, Node/TypeScript, PHP, Java 17, sqlite, bwrap, chromium) built by CI. 103 tests on the host. Co-Authored-By: Claude Opus 5.5 <[email protected]>
51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
import html
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import shutil
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import subprocess
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import pytest
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from openultrasast.search.oracles import BrowserExecutor
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def test_browser_launch_failure_is_not_negative(monkeypatch):
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def fail(*args, **kwargs):
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return subprocess.CompletedProcess(args, 1, "", "failed")
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monkeypatch.setattr(subprocess, "run", fail)
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with pytest.raises(OSError):
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BrowserExecutor(binary="/fake/chromium")('<script>alert("ousast-xss")</script>', "nonce")
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@pytest.mark.skipif(not (shutil.which("chromium") or shutil.which("chromium-browser")), reason="chromium not installed")
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def test_real_browser_executes_not_reflects():
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browser = BrowserExecutor()
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payload = '<script>alert("ousast-xss")</script>'
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try:
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observed = browser(payload, "nonce")
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except OSError as exc:
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# A present binary is insufficient on restricted hosts. Only known
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# host permission denials skip; ordinary browser failures remain failures.
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if "Operation not permitted" in str(exc) or "Permission denied" in str(exc):
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pytest.skip("host denies browser isolation/socket setup: " + str(exc))
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raise
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assert observed
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assert not browser(html.escape(payload), "nonce")
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assert not browser("<p>nonce</p>", "nonce")
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@pytest.mark.parametrize("executed", [False, True])
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def test_marker_is_dom_attribute_not_source_text(monkeypatch, executed):
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import re
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from urllib.parse import unquote
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def run(command, **kwargs):
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assert "--headless" in command and "--dump-dom" in command
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assert "--unshare-all" in command and "--no-sandbox" not in command
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document = unquote(command[-1].split(",", 1)[1])
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attr, value = re.search(r'setAttribute\("([^"]+)","([^"]+)"\)', document).groups()
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root = f'<html {attr}="{value}">' if executed else "<html>"
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return subprocess.CompletedProcess(command, 0, root + document + "</html>", "")
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monkeypatch.setattr(subprocess, "run", run)
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assert BrowserExecutor(binary="/usr/bin/chromium")("<p>reflected nonce</p>", "nonce") is executed
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