nyx/tests/fixtures/demand_driven_data_exfil/app.py

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Added Cap::DATA_EXFIL and taint fp and fn fixes on real repos (#59) * feat: Enhance data exfiltration detection with source sensitivity gating for cookies and headers * feat: Implement cross-file data exfiltration detection with parameter-specific gate filters * feat: Add calibration tests and refine DATA_EXFIL severity scoring logic * feat: Introduce per-detector configuration for data exfiltration suppression * feat: Enhance DATA_EXFIL findings with destination field tracking in diagnostics and SARIF output * feat: Add tainted body and URL handling for data exfiltration detection * feat: Add integration tests and fixtures for DATA_EXFIL and SSRF detection in Go * feat: Add Java integration tests and fixtures for DATA_EXFIL detection across multiple HTTP clients * feat: Add synthetic externals handling for closure-captured variables in SSA * feat: Implement closure-based suppression for resource leak findings * feat: Add regression guards for shell-injection and taint propagation in for-of destructure patterns * feat: Implement constructor cap narrowing for data exfiltration detection in HTTP request builders * feat: Add gated sinks for data exfiltration detection in C and C++ using curl_easy_setopt * feat: Implement DATA_EXFIL cap parity for backwards analysis and add integration tests * feat: Add data exfiltration sinks for various languages and enhance documentation * refactor: Simplify formatting and improve readability in various files * refactor: Improve readability by simplifying conditional statements and adding clippy linting * docs: Update CHANGELOG and comments for data exfiltration features and configuration * docs: Clarify configuration instructions for data exfiltration trusted destinations * docs: Enhance comments for evidence routing logic in data exfiltration
2026-05-01 10:59:52 -04:00
"""demand_driven_data_exfil.
`Cap::DATA_EXFIL` parity for the backwards-analysis pass. The forward
engine emits a `taint-data-exfiltration` finding for the cookie
fetch-body flow (Sensitive source, fixed destination URL). With
`backwards_analysis = true`, the post-pass must walk backwards from the
DATA_EXFIL sink demand, reach the cookie source, and annotate the
finding with `backwards-confirmed`. Validates that the cap-routing
logic in `taint/backwards.rs::DemandState` round-trips bit 13
(DATA_EXFIL) identically to the SQL/CMD/SSRF caps the rest of the
demand-driven suite covers.
"""
import requests
from flask import request
def forward_session():
sid = request.cookies.get("session")
requests.post("https://analytics.internal/track", json={"session": sid})