vishaldhakad commited on
Commit
9aed967
·
1 Parent(s): 31726f5

changing logics for the result

Browse files
app/routes.py CHANGED
@@ -94,7 +94,7 @@ def step(action: StepAction):
94
  state.graph.update(action.filename or "solution.py", result["new_metadata"])
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  state.step += 1
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  state.scores_history.append(result["total_reward"])
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- state.done = result["total_reward"] >= DONE_THRESHOLD or state.step >= MAX_STEPS
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  # Build structured details object
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  raw = result.get("details", {}) or {}
 
94
  state.graph.update(action.filename or "solution.py", result["new_metadata"])
95
  state.step += 1
96
  state.scores_history.append(result["total_reward"])
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+ state.done = result.get("done_eligible", False) or state.step >= MAX_STEPS
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  # Build structured details object
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  raw = result.get("details", {}) or {}
dashboard.html DELETED
@@ -1,913 +0,0 @@
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- <!DOCTYPE html>
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- <html lang="en">
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- <head>
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- <meta charset="UTF-8">
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- <meta name="viewport" content="width=device-width,initial-scale=1.0">
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- <title>SecureCodeEnv — RL Playground</title>
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- <link rel="preconnect" href="https://fonts.googleapis.com">
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- <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@500;700;800&display=swap" rel="stylesheet">
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- <style>
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- :root{
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- --bg:#07090d;--surface:#0d1117;--s2:#161b22;--s3:#21262d;
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- --border:#30363d;--accent:#f0883e;--a2:#79c0ff;--a3:#56d364;
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- --danger:#ff7b72;--warn:#e3b341;--text:#e6edf3;--muted:#8b949e;
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- --mono:'JetBrains Mono',monospace;--sans:'Syne',sans-serif;
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- --radius:8px;
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- }
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- *{box-sizing:border-box;margin:0;padding:0}
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- html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--sans)}
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- body{display:flex;flex-direction:column;min-height:100vh}
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-
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- /* grid bg */
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- body::before{content:'';position:fixed;inset:0;
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- background-image:linear-gradient(rgba(240,136,62,.025) 1px,transparent 1px),
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- linear-gradient(90deg,rgba(240,136,62,.025) 1px,transparent 1px);
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- background-size:48px 48px;pointer-events:none;z-index:0}
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-
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- /* ── header ── */
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- header{position:sticky;top:0;z-index:200;background:rgba(7,9,13,.88);
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- backdrop-filter:blur(12px);border-bottom:1px solid var(--border);
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- padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between;gap:16px}
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- .hlogo{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-weight:700;font-size:14px;color:var(--accent)}
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- .hlogo-icon{width:26px;height:26px;background:var(--accent);border-radius:5px;display:grid;place-items:center;font-size:13px;color:#000}
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- .hbadges{display:flex;gap:6px;flex-wrap:wrap}
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- .badge{font-family:var(--mono);font-size:10px;padding:2px 8px;border-radius:99px;border:1px solid;letter-spacing:.4px}
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- .bo{color:var(--accent);border-color:rgba(240,136,62,.3);background:rgba(240,136,62,.07)}
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- .bb{color:var(--a2);border-color:rgba(121,192,255,.3);background:rgba(121,192,255,.07)}
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- .bg{color:var(--a3);border-color:rgba(86,211,100,.3);background:rgba(86,211,100,.07)}
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- .br{color:var(--danger);border-color:rgba(255,123,114,.3);background:rgba(255,123,114,.07)}
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- .hstatus{display:flex;align-items:center;gap:8px;font-size:12px;font-family:var(--mono)}
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- .dot{width:7px;height:7px;border-radius:50%;background:var(--a3);box-shadow:0 0 6px var(--a3)}
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- .dot.red{background:var(--danger);box-shadow:0 0 6px var(--danger)}
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- .dot.pulse{animation:pulse 2s ease infinite}
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- @keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
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-
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- /* ── nav tabs ── */
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- .nav{display:flex;border-bottom:1px solid var(--border);background:var(--surface);
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- padding:0 24px;gap:2px;position:sticky;top:52px;z-index:100}
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- .ntab{font-family:var(--mono);font-size:12px;padding:10px 16px;cursor:pointer;
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- border-bottom:2px solid transparent;color:var(--muted);transition:.15s;
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- background:none;border-top:none;border-left:none;border-right:none;color:var(--muted)}
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- .ntab:hover{color:var(--text)}
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- .ntab.active{color:var(--accent);border-bottom-color:var(--accent)}
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-
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- /* ── main layout ── */
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- .main{position:relative;z-index:1;flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}
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- .panel{display:none}
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- .panel.active{display:block}
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-
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- /* ── playground layout ── */
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- .playground{display:grid;grid-template-columns:1fr 400px;gap:16px;height:calc(100vh - 160px)}
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- @media(max-width:900px){.playground{grid-template-columns:1fr;height:auto}}
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-
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- /* ── left pane ── */
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- .left-pane{display:flex;flex-direction:column;gap:12px;min-height:0}
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- .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
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- .card-header{display:flex;align-items:center;justify-content:space-between;
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- padding:10px 14px;border-bottom:1px solid var(--border);background:var(--s2)}
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- .card-title{font-size:11px;font-family:var(--mono);color:var(--muted);letter-spacing:1px;text-transform:uppercase}
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- .card-body{padding:14px}
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-
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- /* ── controls ── */
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- .controls-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
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- select,input[type=text]{font-family:var(--mono);font-size:12px;background:var(--s2);
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- border:1px solid var(--border);color:var(--text);border-radius:5px;padding:7px 10px;
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- outline:none;transition:border-color .15s}
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- select:focus,input:focus{border-color:var(--accent)}
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- .btn{font-family:var(--mono);font-size:12px;font-weight:700;padding:7px 16px;
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- border-radius:5px;border:none;cursor:pointer;transition:all .12s;display:inline-flex;align-items:center;gap:6px}
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- .btn-primary{background:var(--accent);color:#000}
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- .btn-primary:hover{background:#ffaa5e;transform:translateY(-1px)}
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- .btn-primary:disabled{background:var(--s3);color:var(--muted);cursor:not-allowed;transform:none}
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- .btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
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- .btn-ghost:hover{border-color:var(--a2);color:var(--a2)}
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- .btn-green{background:var(--a3);color:#000}
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- .btn-green:hover{background:#6fe87a}
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- .btn-green:disabled{background:var(--s3);color:var(--muted);cursor:not-allowed}
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- .btn-danger{background:transparent;color:var(--danger);border:1px solid rgba(255,123,114,.3)}
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- .btn-danger:hover{background:rgba(255,123,114,.1)}
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-
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- /* ── task display ── */
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- .task-box{background:var(--s2);border:1px solid var(--border);border-radius:6px;padding:14px;
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- font-size:13px;line-height:1.7;color:var(--text);white-space:pre-wrap;max-height:180px;
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- overflow-y:auto;font-family:var(--mono)}
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- .task-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
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- .cwe{font-family:var(--mono);font-size:10px;padding:2px 7px;border-radius:4px;
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- background:rgba(121,192,255,.08);color:var(--a2);border:1px solid rgba(121,192,255,.2)}
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- .diff-tag{font-family:var(--mono);font-size:10px;padding:2px 7px;border-radius:4px}
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- .easy{background:rgba(86,211,100,.1);color:var(--a3)}
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- .medium{background:rgba(240,136,62,.1);color:var(--accent)}
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- .hard{background:rgba(255,123,114,.1);color:var(--danger)}
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-
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- /* ── code editor ── */
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- .editor-wrap{flex:1;display:flex;flex-direction:column;min-height:0}
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- .editor-header{display:flex;align-items:center;justify-content:space-between;
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- padding:8px 14px;background:var(--s2);border-bottom:1px solid var(--border)}
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- .editor-dots{display:flex;gap:5px}
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- .editor-dots span{width:9px;height:9px;border-radius:50%}
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- .editor-dots span:nth-child(1){background:#ff5f57}
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- .editor-dots span:nth-child(2){background:#febc2e}
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- .editor-dots span:nth-child(3){background:#28c840}
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- #code-editor{flex:1;width:100%;background:var(--s2);border:none;color:var(--text);
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- font-family:var(--mono);font-size:12px;line-height:1.65;padding:16px;
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- resize:none;outline:none;tab-size:4;min-height:280px}
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- #code-editor::placeholder{color:var(--muted)}
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- .editor-footer{padding:8px 14px;background:var(--s2);border-top:1px solid var(--border);
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- display:flex;justify-content:space-between;align-items:center;gap:8px}
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- .char-count{font-family:var(--mono);font-size:10px;color:var(--muted)}
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-
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- /* ── right pane ── */
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- .right-pane{display:flex;flex-direction:column;gap:12px;overflow-y:auto;max-height:calc(100vh - 160px)}
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- @media(max-width:900px){.right-pane{max-height:none}}
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-
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- /* ── reward display ── */
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- .reward-big{text-align:center;padding:20px 14px}
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- .reward-number{font-family:var(--mono);font-size:52px;font-weight:700;line-height:1;
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- transition:all .4s ease}
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- .reward-label{font-size:11px;color:var(--muted);font-family:var(--mono);margin-top:4px}
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- .reward-bar-bg{height:6px;background:var(--s3);border-radius:99px;margin:12px 0}
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- .reward-bar{height:6px;border-radius:99px;background:var(--accent);transition:width .6s ease;width:0%}
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-
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- /* ── score breakdown ── */
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- .score-row{display:flex;align-items:center;gap:8px;padding:5px 0;
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- border-bottom:1px solid var(--border);font-size:12px}
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- .score-row:last-child{border:none}
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- .score-dim{flex:1;color:var(--muted);font-family:var(--mono)}
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- .score-val{font-family:var(--mono);font-weight:700;min-width:38px;text-align:right}
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- .score-bar-bg{width:60px;height:4px;background:var(--s3);border-radius:99px}
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- .score-bar-fg{height:4px;border-radius:99px;transition:width .5s ease;background:var(--a3)}
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- .weight-tag{font-size:9px;color:var(--s3);background:var(--border);
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- padding:1px 5px;border-radius:3px;font-family:var(--mono)}
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-
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- /* ── feedback ── */
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- .fb-item{font-size:11px;font-family:var(--mono);padding:5px 8px;border-radius:5px;
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- background:var(--s2);border-left:3px solid var(--border);margin-bottom:4px;line-height:1.5}
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- .fb-item.good{border-left-color:var(--a3)}
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- .fb-item.warn{border-left-color:var(--warn)}
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- .fb-item.bad{border-left-color:var(--danger)}
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-
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- /* ── history ── */
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- .history-item{display:flex;align-items:center;gap:8px;padding:7px 10px;
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- border-bottom:1px solid var(--border);font-size:11px;font-family:var(--mono)}
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- .history-item:last-child{border:none}
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- .h-step{color:var(--muted);min-width:40px}
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- .h-reward{font-weight:700;min-width:50px}
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- .h-bar{flex:1;height:4px;background:var(--s3);border-radius:99px;position:relative}
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- .h-bar-fg{height:4px;border-radius:99px;background:var(--a3);transition:width .4s}
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- .h-done{color:var(--a3);font-size:10px}
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-
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- /* ── loading ── */
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- .spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.2);
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- border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}
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- @keyframes spin{to{transform:rotate(360deg)}}
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-
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- /* ── empty state ── */
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- .empty{text-align:center;padding:40px 20px;color:var(--muted)}
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- .empty-icon{font-size:32px;margin-bottom:12px;opacity:.5}
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- .empty-text{font-size:13px;line-height:1.6}
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-
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- /* ── alerts ── */
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- .alert{padding:10px 14px;border-radius:6px;font-size:12px;font-family:var(--mono);
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- margin-bottom:8px;display:flex;gap:8px;align-items:flex-start}
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- .alert-error{background:rgba(255,123,114,.1);border:1px solid rgba(255,123,114,.3);color:var(--danger)}
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- .alert-success{background:rgba(86,211,100,.1);border:1px solid rgba(86,211,100,.3);color:var(--a3)}
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- .alert-info{background:rgba(121,192,255,.1);border:1px solid rgba(121,192,255,.3);color:var(--a2)}
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-
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- /* ── overview panel ── */
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- .grid-2{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
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- .stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
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- padding:20px;display:flex;flex-direction:column;gap:6px}
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- .stat-val{font-family:var(--mono);font-size:36px;font-weight:700;color:var(--accent)}
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- .stat-label{font-size:12px;color:var(--muted)}
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- .section-label{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:2px;
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- text-transform:uppercase;padding:16px 0 8px;border-bottom:1px solid var(--border);margin-bottom:12px}
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-
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- /* ── task list ── */
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- .task-list-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
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- padding:14px 16px;cursor:pointer;transition:border-color .15s;margin-bottom:8px}
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- .task-list-item:hover{border-color:var(--accent)}
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- .tli-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
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- .tli-name{font-weight:700;font-size:14px}
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- .tli-desc{font-size:12px;color:var(--muted);line-height:1.5}
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- .tli-footer{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
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-
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- /* ── docs panel ── */
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- .docs-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
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- padding:20px;margin-bottom:12px}
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- .docs-h2{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--text)}
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- .docs-p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
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- .docs-code{background:var(--s2);border:1px solid var(--border);border-radius:6px;
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- padding:14px;font-family:var(--mono);font-size:12px;line-height:1.65;
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- overflow-x:auto;margin-bottom:12px;white-space:pre}
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- .method{font-weight:700;font-size:11px;padding:2px 7px;border-radius:4px;font-family:var(--mono)}
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- .method.post{background:rgba(86,211,100,.15);color:var(--a3)}
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- .method.get{background:rgba(121,192,255,.15);color:var(--a2)}
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- .ep-row{display:flex;align-items:flex-start;gap:12px;padding:10px 0;
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- border-bottom:1px solid var(--border);font-size:13px}
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- .ep-row:last-child{border:none}
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- .ep-path{font-family:var(--mono);color:var(--text);font-weight:700;min-width:180px}
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- .ep-desc{color:var(--muted);line-height:1.5}
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-
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- /* ── reward weight chart ── */
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- .weight-bar-row{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:12px}
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- .wbr-name{flex:0 0 140px;font-family:var(--mono);color:var(--muted)}
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- .wbr-bg{flex:1;height:8px;background:var(--s3);border-radius:99px}
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- .wbr-fg{height:8px;border-radius:99px;background:var(--accent);transition:width .8s ease;width:0%}
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- .wbr-val{font-family:var(--mono);font-weight:700;color:var(--accent);min-width:36px;text-align:right}
217
-
218
- /* scrollbar */
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- ::-webkit-scrollbar{width:6px;height:6px}
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- ::-webkit-scrollbar-track{background:var(--bg)}
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- ::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
222
- </style>
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- </head>
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- <body>
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-
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- <!-- HEADER -->
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- <header>
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- <div class="hlogo">
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- <div class="hlogo-icon">🔒</div>
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- SecureCodeEnv
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- </div>
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- <div class="hbadges">
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- <span class="badge bo">v2.0.0</span>
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- <span class="badge bb">OpenEnv</span>
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- <span class="badge br">Meta × PyTorch Hackathon</span>
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- </div>
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- <div class="hstatus">
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- <div class="dot pulse" id="status-dot"></div>
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- <span id="status-text" style="font-size:11px"></span>
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- </div>
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- </header>
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-
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- <!-- NAV -->
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- <nav class="nav">
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- <button class="ntab active" onclick="showPanel('playground', this)">⚡ Playground</button>
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- <button class="ntab" onclick="showPanel('overview', this)">📊 Overview</button>
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- <button class="ntab" onclick="showPanel('tasks', this)">📋 Tasks</button>
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- <button class="ntab" onclick="showPanel('docs', this)">📖 API Docs</button>
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- </nav>
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-
251
- <!-- ══════════════════════════════════════════════════ -->
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- <!-- PLAYGROUND PANEL -->
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- <!-- ══════════════════════════════════════════════════ -->
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- <div class="main">
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- <div id="panel-playground" class="panel active">
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- <div class="playground">
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-
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- <!-- LEFT: controls + task + editor -->
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- <div class="left-pane">
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-
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- <!-- Episode controls -->
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- <div class="card">
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- <div class="card-header">
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- <span class="card-title">Episode Control</span>
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- <span id="session-badge" class="badge bb" style="display:none"></span>
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- </div>
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- <div class="card-body">
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- <div id="alert-area"></div>
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- <div class="controls-row">
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- <select id="diff-select">
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- <option value="easy">Easy</option>
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- <option value="medium" selected>Medium</option>
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- <option value="hard">Hard</option>
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- </select>
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- <select id="task-select" style="flex:1">
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- <option value="">Random task</option>
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- </select>
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- <button class="btn btn-primary" id="btn-reset" onclick="doReset()">
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- <span id="reset-spinner" style="display:none" class="spinner"></span>
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- 🔄 Reset
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- </button>
282
- </div>
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- <div id="task-area" style="margin-top:12px;display:none">
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- <div class="task-meta" id="task-meta"></div>
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- <div class="task-box" id="task-box"></div>
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- </div>
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- </div>
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- </div>
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-
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- <!-- Code editor -->
291
- <div class="card editor-wrap">
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- <div class="editor-header">
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- <div class="editor-dots"><span></span><span></span><span></span></div>
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- <span style="font-family:var(--mono);font-size:11px;color:var(--muted)" id="editor-filename">solution.py</span>
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- <div style="display:flex;gap:6px">
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- <button class="btn btn-ghost" style="padding:4px 10px;font-size:11px" onclick="loadStarter()">Load starter</button>
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- <button class="btn btn-ghost" style="padding:4px 10px;font-size:11px" onclick="clearEditor()">Clear</button>
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- </div>
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- </div>
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- <textarea id="code-editor" spellcheck="false"
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- placeholder="# Reset an episode first, then write your Python solution here...
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- # Click 'Load starter' to get the buggy starter code to fix.
303
-
304
- def your_function():
305
- pass"></textarea>
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- <div class="editor-footer">
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- <span class="char-count" id="char-count">0 chars</span>
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- <div style="display:flex;gap:8px">
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- <span id="step-counter" style="font-family:var(--mono);font-size:11px;color:var(--muted)">Step 0/5</span>
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- <button class="btn btn-green" id="btn-submit" onclick="doStep()" disabled>
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- <span id="submit-spinner" style="display:none" class="spinner"></span>
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- ▶ Submit
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- </button>
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- </div>
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- </div>
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- </div>
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- </div>
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-
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- <!-- RIGHT: rewards + feedback + history -->
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- <div class="right-pane">
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-
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- <!-- Total reward -->
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- <div class="card">
324
- <div class="card-header"><span class="card-title">Total Reward</span><span id="done-badge" style="display:none" class="badge bg">DONE ✓</span></div>
325
- <div class="card-body">
326
- <div class="reward-big">
327
- <div class="reward-number" id="reward-number" style="color:var(--muted)">—</div>
328
- <div class="reward-label">/ 1.000 maximum</div>
329
- </div>
330
- <div class="reward-bar-bg"><div class="reward-bar" id="reward-bar"></div></div>
331
- <div id="summary-text" style="font-size:12px;font-family:var(--mono);color:var(--muted);text-align:center"></div>
332
- </div>
333
- </div>
334
-
335
- <!-- Score breakdown -->
336
- <div class="card">
337
- <div class="card-header"><span class="card-title">Score Breakdown</span></div>
338
- <div class="card-body" id="score-breakdown">
339
- <div class="empty"><div class="empty-icon">📊</div><div class="empty-text">Submit code to see scores</div></div>
340
- </div>
341
- </div>
342
-
343
- <!-- Feedback -->
344
- <div class="card">
345
- <div class="card-header"><span class="card-title">Feedback</span></div>
346
- <div class="card-body" id="feedback-area">
347
- <div class="empty"><div class="empty-icon">💬</div><div class="empty-text">Feedback will appear here</div></div>
348
- </div>
349
- </div>
350
-
351
- <!-- Step history -->
352
- <div class="card">
353
- <div class="card-header"><span class="card-title">Episode History</span><span class="char-count" id="history-count">0 steps</span></div>
354
- <div id="history-area">
355
- <div class="empty" style="padding:20px"><div class="empty-text">No submissions yet</div></div>
356
- </div>
357
- </div>
358
-
359
- </div>
360
- </div>
361
- </div>
362
-
363
- <!-- ══════════════════════════════════════════════════ -->
364
- <!-- OVERVIEW PANEL -->
365
- <!-- ══════════════════════════════════════════════════ -->
366
- <div id="panel-overview" class="panel">
367
- <div class="section-label">Environment Stats</div>
368
- <div class="grid-2">
369
- <div class="stat-card"><div class="stat-val">9</div><div class="stat-label">Security Tasks (3 per difficulty)</div></div>
370
- <div class="stat-card"><div class="stat-val">7</div><div class="stat-label">Reward Dimensions</div></div>
371
- <div class="stat-card"><div class="stat-val">12+</div><div class="stat-label">CWE IDs Covered</div></div>
372
- <div class="stat-card"><div class="stat-val">$0</div><div class="stat-label">Infrastructure Cost (HF Spaces free tier)</div></div>
373
- </div>
374
-
375
- <div class="section-label" style="margin-top:24px">Reward Weights</div>
376
- <div class="card"><div class="card-body" id="weight-chart"></div></div>
377
-
378
- <div class="section-label" style="margin-top:24px">What Makes This Unique</div>
379
- <div class="grid-2">
380
- <div class="stat-card" style="gap:10px">
381
- <div style="font-size:22px">⚔️</div>
382
- <div style="font-weight:700">Dynamic Attack Grading</div>
383
- <div class="stat-label">We actually FIRE SQL injection, path traversal, JWT bypass, and XSS payloads at your code — not just static pattern matching. Payloads are seeded-random per episode so agents can't memorise them.</div>
384
- </div>
385
- <div class="stat-card" style="gap:10px">
386
- <div style="font-size:22px">🧠</div>
387
- <div style="font-weight:700">CodeGraph Memory</div>
388
- <div class="stat-label">The agent's codebase context grows across steps. Conventions (naming, error handling, type hints) are inferred and enforced — the only RL environment that rewards multi-file consistency.</div>
389
- </div>
390
- <div class="stat-card" style="gap:10px">
391
- <div style="font-size:22px">🎯</div>
392
- <div style="font-weight:700">CWE-Grounded Tasks</div>
393
- <div class="stat-label">Every task maps to real Common Weakness Enumeration IDs. Grading is 100% automated and deterministic — no LLM judge, no subjectivity.</div>
394
- </div>
395
- <div class="stat-card" style="gap:10px">
396
- <div style="font-size:22px">📈</div>
397
- <div style="font-weight:700">Dense Reward Signal</div>
398
- <div class="stat-label">7 orthogonal dimensions give partial credit at every step. Agents never get 0.0 on a correct-but-insecure submission — they learn incrementally.</div>
399
- </div>
400
- </div>
401
- </div>
402
-
403
- <!-- ══════════════════════════════════════════════════ -->
404
- <!-- TASKS PANEL -->
405
- <!-- ══════════════════════════════════════════════════ -->
406
- <div id="panel-tasks" class="panel">
407
- <div class="section-label">All 9 Tasks</div>
408
- <div style="display:flex;gap:8px;margin-bottom:16px">
409
- <button class="btn btn-ghost" onclick="filterTasks('all')" id="f-all" style="border-color:var(--accent);color:var(--accent)">All</button>
410
- <button class="btn btn-ghost" onclick="filterTasks('easy')" id="f-easy">Easy</button>
411
- <button class="btn btn-ghost" onclick="filterTasks('medium')" id="f-medium">Medium</button>
412
- <button class="btn btn-ghost" onclick="filterTasks('hard')" id="f-hard">Hard</button>
413
- </div>
414
- <div id="task-list-container">
415
- <div class="empty"><div class="spinner" style="margin:0 auto"></div></div>
416
- </div>
417
- </div>
418
-
419
- <!-- ══════════════════════════════════════════════════ -->
420
- <!-- DOCS PANEL -->
421
- <!-- ══════════════════════════════════════════════════ -->
422
- <div id="panel-docs" class="panel">
423
- <div class="docs-card">
424
- <div class="docs-h2">Quick Start</div>
425
- <div class="docs-p">This environment implements the OpenEnv API contract. Use the Playground tab for interactive testing, or call the endpoints directly.</div>
426
- <div class="docs-code">import requests
427
-
428
- ENV = "https://vishaldhakad-securecodeenv.hf.space"
429
-
430
- # 1. Start episode
431
- ep = requests.post(f"{ENV}/reset", json={"difficulty": "medium"}).json()
432
- sid, task = ep["session_id"], ep["task_id"]
433
- print(ep["problem_statement"])
434
-
435
- # 2. Submit code
436
- result = requests.post(f"{ENV}/step", json={
437
- "session_id": sid,
438
- "code": "def build_user_query(u, r):\n return ('SELECT * FROM users WHERE username=%s', (u,))",
439
- "filename": "solution.py"
440
- }).json()
441
-
442
- print(f"reward={result['total_reward']:.3f}")
443
- print(result["feedback"]["summary"])</div>
444
- </div>
445
-
446
- <div class="docs-card">
447
- <div class="docs-h2">Endpoints</div>
448
- <div class="ep-row">
449
- <div class="ep-path"><span class="method get">GET</span> /health</div>
450
- <div class="ep-desc">Health check. Returns <code>{"status":"ok","tasks_loaded":9}</code></div>
451
- </div>
452
- <div class="ep-row">
453
- <div class="ep-path"><span class="method post">POST</span> /reset</div>
454
- <div class="ep-desc">Start new episode. Body: <code>{"difficulty":"medium","task_id":"optional"}</code>. Returns task + CodeGraph.</div>
455
- </div>
456
- <div class="ep-row">
457
- <div class="ep-path"><span class="method post">POST</span> /step</div>
458
- <div class="ep-desc">Submit code. Body: <code>{"session_id":"...","code":"...","filename":"..."}</code>. Returns reward + feedback.</div>
459
- </div>
460
- <div class="ep-row">
461
- <div class="ep-path"><span class="method get">GET</span> /state</div>
462
- <div class="ep-desc">Get episode state. Query: <code>?session_id=...</code></div>
463
- </div>
464
- <div class="ep-row">
465
- <div class="ep-path"><span class="method get">GET</span> /tasks</div>
466
- <div class="ep-desc">List tasks. Query: <code>?difficulty=easy</code> (optional filter)</div>
467
- </div>
468
- <div class="ep-row">
469
- <div class="ep-path"><span class="method get">GET</span> /tasks/{id}</div>
470
- <div class="ep-desc">Full task detail including starter code and security checks</div>
471
- </div>
472
- <div class="ep-row">
473
- <div class="ep-path"><span class="method get">GET</span> /docs</div>
474
- <div class="ep-desc">Auto-generated Swagger UI (FastAPI)</div>
475
- </div>
476
- </div>
477
-
478
- <div class="docs-card">
479
- <div class="docs-h2">Reward Dimensions</div>
480
- <table style="width:100%;font-size:12px;font-family:var(--mono);border-collapse:collapse">
481
- <tr style="border-bottom:1px solid var(--border);color:var(--muted)">
482
- <td style="padding:6px 8px">Dimension</td>
483
- <td style="padding:6px 8px">Weight</td>
484
- <td style="padding:6px 8px">Tool</td>
485
- <td style="padding:6px 8px">Measures</td>
486
- </tr>
487
- <tr style="border-bottom:1px solid var(--border)">
488
- <td style="padding:6px 8px;color:var(--accent)">correctness</td>
489
- <td style="padding:6px 8px">30%</td>
490
- <td style="padding:6px 8px;color:var(--muted)">Custom runner</td>
491
- <td style="padding:6px 8px;color:var(--muted)">Test cases passed</td>
492
- </tr>
493
- <tr style="border-bottom:1px solid var(--border)">
494
- <td style="padding:6px 8px;color:var(--accent)">attack_resist</td>
495
- <td style="padding:6px 8px">20%</td>
496
- <td style="padding:6px 8px;color:var(--muted)">Dynamic harness</td>
497
- <td style="padding:6px 8px;color:var(--muted)">Real attack payloads blocked</td>
498
- </tr>
499
- <tr style="border-bottom:1px solid var(--border)">
500
- <td style="padding:6px 8px;color:var(--accent)">static_security</td>
501
- <td style="padding:6px 8px">15%</td>
502
- <td style="padding:6px 8px;color:var(--muted)">bandit + AST</td>
503
- <td style="padding:6px 8px;color:var(--muted)">CWE-mapped vulnerability patterns</td>
504
- </tr>
505
- <tr style="border-bottom:1px solid var(--border)">
506
- <td style="padding:6px 8px;color:var(--accent)">consistency</td>
507
- <td style="padding:6px 8px">15%</td>
508
- <td style="padding:6px 8px;color:var(--muted)">CodeGraph</td>
509
- <td style="padding:6px 8px;color:var(--muted)">Codebase convention adherence</td>
510
- </tr>
511
- <tr style="border-bottom:1px solid var(--border)">
512
- <td style="padding:6px 8px;color:var(--accent)">performance</td>
513
- <td style="padding:6px 8px">10%</td>
514
- <td style="padding:6px 8px;color:var(--muted)">timeit</td>
515
- <td style="padding:6px 8px;color:var(--muted)">Speed vs naive/optimal baselines</td>
516
- </tr>
517
- <tr style="border-bottom:1px solid var(--border)">
518
- <td style="padding:6px 8px;color:var(--accent)">documentation</td>
519
- <td style="padding:6px 8px">5%</td>
520
- <td style="padding:6px 8px;color:var(--muted)">AST</td>
521
- <td style="padding:6px 8px;color:var(--muted)">Docstrings + type hints coverage</td>
522
- </tr>
523
- <tr>
524
- <td style="padding:6px 8px;color:var(--accent)">code_structure</td>
525
- <td style="padding:6px 8px">5%</td>
526
- <td style="padding:6px 8px;color:var(--muted)">AST</td>
527
- <td style="padding:6px 8px;color:var(--muted)">No bare print/except, clean structure</td>
528
- </tr>
529
- </table>
530
- </div>
531
- </div>
532
- </div><!-- /main -->
533
-
534
- <script>
535
- // ── State ──────────────────────────────────────────────────────────────────
536
- const state = {
537
- sessionId: null,
538
- task: null,
539
- stepCount: 0,
540
- done: false,
541
- history: [],
542
- allTasks: [],
543
- };
544
-
545
- const WEIGHTS = {
546
- correctness:0.30, attack_resist:0.20, static_security:0.15,
547
- consistency:0.15, performance:0.10, documentation:0.05, code_structure:0.05
548
- };
549
-
550
- // ── Init ───────────────────────────────────────────────────────────────────
551
- document.addEventListener('DOMContentLoaded', () => {
552
- checkHealth();
553
- loadTasksDropdown();
554
- renderWeightChart();
555
- document.getElementById('code-editor').addEventListener('input', updateCharCount);
556
- updateCharCount();
557
- });
558
-
559
- // ── Health check ───────────────────────────────────────────────────────────
560
- async function checkHealth() {
561
- const dot = document.getElementById('status-dot');
562
- const txt = document.getElementById('status-text');
563
- try {
564
- const r = await fetch('/health');
565
- const d = await r.json();
566
- dot.className = 'dot pulse';
567
- txt.textContent = `${d.env} v${d.version} · ${d.tasks_loaded} tasks`;
568
- } catch(e) {
569
- dot.className = 'dot red';
570
- txt.textContent = 'Environment unreachable';
571
- }
572
- }
573
-
574
- // ── Tab navigation ─────────────────────────────────────────────────────────
575
- function showPanel(id, btn) {
576
- document.querySelectorAll('.panel').forEach(p => p.classList.remove('active'));
577
- document.querySelectorAll('.ntab').forEach(t => t.classList.remove('active'));
578
- document.getElementById('panel-'+id).classList.add('active');
579
- btn.classList.add('active');
580
- if (id === 'tasks' && state.allTasks.length === 0) loadTasksList();
581
- }
582
-
583
- // ── Task dropdown ──────────────────────────────────────────────────────────
584
- async function loadTasksDropdown() {
585
- try {
586
- const r = await fetch('/tasks');
587
- const tasks = await r.json();
588
- state.allTasks = tasks;
589
- const sel = document.getElementById('task-select');
590
- tasks.forEach(t => {
591
- const opt = document.createElement('option');
592
- opt.value = t.id;
593
- opt.textContent = `${t.id.replace(/_/g,' ')}`;
594
- sel.appendChild(opt);
595
- });
596
- } catch(e) {}
597
- }
598
-
599
- // ── Reset episode ──────────────────────────────────────────────────────────
600
- async function doReset() {
601
- const btn = document.getElementById('btn-reset');
602
- const spin = document.getElementById('reset-spinner');
603
- btn.disabled = true; spin.style.display = 'inline-block';
604
- clearAlert();
605
-
606
- const difficulty = document.getElementById('diff-select').value;
607
- const taskId = document.getElementById('task-select').value;
608
-
609
- try {
610
- const body = { difficulty };
611
- if (taskId) body.task_id = taskId;
612
- const r = await fetch('/reset', {
613
- method: 'POST',
614
- headers: {'Content-Type':'application/json'},
615
- body: JSON.stringify(body)
616
- });
617
- if (!r.ok) {
618
- const e = await r.json();
619
- showAlert(e.detail || 'Reset failed', 'error');
620
- return;
621
- }
622
- const d = await r.json();
623
- state.sessionId = d.session_id;
624
- state.task = d;
625
- state.stepCount = 0;
626
- state.done = false;
627
- state.history = [];
628
-
629
- renderTask(d);
630
- resetResultPanel();
631
- updateStepCounter();
632
- document.getElementById('btn-submit').disabled = false;
633
- document.getElementById('session-badge').style.display = 'inline';
634
- document.getElementById('session-badge').textContent = d.session_id.slice(0,8) + '…';
635
- showAlert(`✓ Episode started: ${d.task_id}`, 'success');
636
- } catch(e) {
637
- showAlert('Network error: ' + e.message, 'error');
638
- } finally {
639
- btn.disabled = false; spin.style.display = 'none';
640
- }
641
- }
642
-
643
- // ── Submit step ────────────────────────────────────────────────────────────
644
- async function doStep() {
645
- if (!state.sessionId) { showAlert('Reset an episode first', 'error'); return; }
646
- const code = document.getElementById('code-editor').value.trim();
647
- if (!code) { showAlert('Write some code first', 'error'); return; }
648
-
649
- const btn = document.getElementById('btn-submit');
650
- const spin = document.getElementById('submit-spinner');
651
- btn.disabled = true; spin.style.display = 'inline-block';
652
- clearAlert();
653
-
654
- try {
655
- const r = await fetch('/step', {
656
- method: 'POST',
657
- headers: {'Content-Type':'application/json'},
658
- body: JSON.stringify({
659
- session_id: state.sessionId,
660
- code,
661
- filename: `solution_step${state.stepCount}.py`
662
- })
663
- });
664
- if (!r.ok) {
665
- const e = await r.json();
666
- showAlert(e.detail || 'Step failed', 'error');
667
- if (r.status === 400 && e.detail.includes('done')) {
668
- btn.disabled = true;
669
- }
670
- return;
671
- }
672
- const d = await r.json();
673
- state.stepCount = d.step_count;
674
- state.done = d.done;
675
- state.history.push({ step: d.step_count, reward: d.total_reward, done: d.done });
676
-
677
- renderReward(d.total_reward);
678
- renderScores(d.scores, d.details);
679
- renderFeedback(d.feedback);
680
- renderHistory();
681
- updateStepCounter();
682
-
683
- if (d.done) {
684
- btn.disabled = true;
685
- document.getElementById('done-badge').style.display = 'inline';
686
- const msg = d.total_reward >= 0.9
687
- ? '🎉 Excellent! Episode solved!'
688
- : `Episode complete after ${d.step_count} steps`;
689
- showAlert(msg, d.total_reward >= 0.9 ? 'success' : 'info');
690
- }
691
- } catch(e) {
692
- showAlert('Network error: ' + e.message, 'error');
693
- } finally {
694
- if (!state.done) btn.disabled = false;
695
- spin.style.display = 'none';
696
- }
697
- }
698
-
699
- // ── Render helpers ─────────────────────────────────────────────────────────
700
- function renderTask(d) {
701
- const area = document.getElementById('task-area');
702
- area.style.display = 'block';
703
-
704
- const meta = document.getElementById('task-meta');
705
- const diffClass = d.difficulty;
706
- meta.innerHTML = `<span class="diff-tag ${diffClass}">${d.difficulty}</span>`
707
- + d.cwe_targets.map(c => `<span class="cwe">${c}</span>`).join('');
708
-
709
- document.getElementById('task-box').textContent = d.problem_statement;
710
- document.getElementById('editor-filename').textContent =
711
- state.allTasks.find(t => t.id === d.task_id)?.id?.replace('_','/')+'.py' || 'solution.py';
712
- }
713
-
714
- function renderReward(reward) {
715
- const n = document.getElementById('reward-number');
716
- const bar = document.getElementById('reward-bar');
717
- n.textContent = reward.toFixed(3);
718
- n.style.color = reward >= 0.9 ? 'var(--a3)' : reward >= 0.6 ? 'var(--accent)' : 'var(--danger)';
719
- bar.style.width = (reward * 100) + '%';
720
- bar.style.background = reward >= 0.9 ? 'var(--a3)' : reward >= 0.6 ? 'var(--accent)' : 'var(--danger)';
721
- }
722
-
723
- function renderScores(scores, details) {
724
- const el = document.getElementById('score-breakdown');
725
- const rows = Object.entries(scores).map(([k, v]) => {
726
- const pct = Math.round(v * 100);
727
- const color = v >= 0.8 ? 'var(--a3)' : v >= 0.5 ? 'var(--accent)' : 'var(--danger)';
728
- const w = Math.round(WEIGHTS[k] * 100);
729
- let extra = '';
730
- if (details) {
731
- if (k === 'correctness' && details.correctness_total) {
732
- extra = ` (${details.correctness_passed}/${details.correctness_total})`;
733
- } else if (k === 'attack_resist' && details.attacks_total) {
734
- extra = ` (${details.attacks_blocked}/${details.attacks_total} blocked)`;
735
- }
736
- }
737
- return `<div class="score-row">
738
- <div class="score-dim">${k}${extra}</div>
739
- <div class="score-bar-bg"><div class="score-bar-fg" style="width:${pct}%;background:${color}"></div></div>
740
- <div class="score-val" style="color:${color}">${v.toFixed(2)}</div>
741
- <div class="weight-tag">${w}%</div>
742
- </div>`;
743
- });
744
- el.innerHTML = rows.join('');
745
- document.getElementById('summary-text').textContent = '';
746
- }
747
-
748
- function renderFeedback(feedback) {
749
- const el = document.getElementById('feedback-area');
750
- const summary = feedback.summary || '';
751
- const items = Object.entries(feedback).filter(([k]) => k !== 'summary');
752
- const good = (v) => v.startsWith('Excellent') || v.startsWith('Clean') || v.startsWith('Well');
753
- const bad = (v) => v.includes('Poor') || v.includes('Vulnerable') || v.includes('major') || v.includes('HIGH');
754
-
755
- const html = `<div class="fb-item ${summary.includes('✅') ? 'good' : summary.includes('🔴') ? 'bad' : 'warn'}">${escHtml(summary)}</div>`
756
- + items.map(([k, v]) => {
757
- const cls = good(v) ? 'good' : bad(v) ? 'bad' : 'warn';
758
- return `<div class="fb-item ${cls}"><strong>${k}:</strong> ${escHtml(v)}</div>`;
759
- }).join('');
760
- el.innerHTML = html;
761
- }
762
-
763
- function renderHistory() {
764
- const el = document.getElementById('history-area');
765
- const count = document.getElementById('history-count');
766
- count.textContent = `${state.history.length} steps`;
767
- if (!state.history.length) { el.innerHTML = '<div class="empty" style="padding:20px"><div class="empty-text">No submissions yet</div></div>'; return; }
768
- el.innerHTML = state.history.map(h => {
769
- const color = h.reward >= 0.9 ? 'var(--a3)' : h.reward >= 0.6 ? 'var(--accent)' : 'var(--danger)';
770
- return `<div class="history-item">
771
- <span class="h-step">Step ${h.step}</span>
772
- <span class="h-reward" style="color:${color}">${h.reward.toFixed(3)}</span>
773
- <div class="h-bar"><div class="h-bar-fg" style="width:${h.reward*100}%;background:${color}"></div></div>
774
- ${h.done ? '<span class="h-done">done</span>' : ''}
775
- </div>`;
776
- }).join('');
777
- }
778
-
779
- function resetResultPanel() {
780
- document.getElementById('reward-number').textContent = '—';
781
- document.getElementById('reward-number').style.color = 'var(--muted)';
782
- document.getElementById('reward-bar').style.width = '0%';
783
- document.getElementById('score-breakdown').innerHTML = '<div class="empty"><div class="empty-icon">📊</div><div class="empty-text">Submit code to see scores</div></div>';
784
- document.getElementById('feedback-area').innerHTML = '<div class="empty"><div class="empty-icon">💬</div><div class="empty-text">Feedback will appear here</div></div>';
785
- document.getElementById('history-area').innerHTML = '<div class="empty" style="padding:20px"><div class="empty-text">No submissions yet</div></div>';
786
- document.getElementById('history-count').textContent = '0 steps';
787
- document.getElementById('done-badge').style.display = 'none';
788
- document.getElementById('summary-text').textContent = '';
789
- }
790
-
791
- function updateStepCounter() {
792
- document.getElementById('step-counter').textContent = `Step ${state.stepCount}/5`;
793
- }
794
-
795
- function updateCharCount() {
796
- const len = document.getElementById('code-editor').value.length;
797
- document.getElementById('char-count').textContent = `${len} chars`;
798
- }
799
-
800
- // ── Editor helpers ─────────────────────────────────────────────────────────
801
- async function loadStarter() {
802
- if (!state.task) { showAlert('Reset an episode first', 'error'); return; }
803
- const tid = state.task.task_id;
804
- try {
805
- const r = await fetch(`/tasks/${tid}`);
806
- const d = await r.json();
807
- if (d.starter_code) {
808
- document.getElementById('code-editor').value = d.starter_code;
809
- updateCharCount();
810
- }
811
- } catch(e) {}
812
- }
813
-
814
- function clearEditor() {
815
- document.getElementById('code-editor').value = '';
816
- updateCharCount();
817
- }
818
-
819
- // ── Alert ──────────────────────────────────────────────────────────────────
820
- function showAlert(msg, type='info') {
821
- const el = document.getElementById('alert-area');
822
- const cls = type === 'error' ? 'alert-error' : type === 'success' ? 'alert-success' : 'alert-info';
823
- el.innerHTML = `<div class="alert ${cls}">${escHtml(msg)}</div>`;
824
- setTimeout(() => { el.innerHTML = ''; }, 5000);
825
- }
826
- function clearAlert() { document.getElementById('alert-area').innerHTML = ''; }
827
-
828
- // ── Tasks list ─────────────────────────────────────────────────────────────
829
- let taskFilter = 'all';
830
- async function loadTasksList() {
831
- if (state.allTasks.length === 0) {
832
- const r = await fetch('/tasks');
833
- state.allTasks = await r.json();
834
- }
835
- filterTasks('all');
836
- }
837
-
838
- function filterTasks(diff) {
839
- taskFilter = diff;
840
- ['all','easy','medium','hard'].forEach(d => {
841
- document.getElementById('f-'+d).style.borderColor = '';
842
- document.getElementById('f-'+d).style.color = '';
843
- });
844
- document.getElementById('f-'+diff).style.borderColor = 'var(--accent)';
845
- document.getElementById('f-'+diff).style.color = 'var(--accent)';
846
-
847
- const tasks = diff === 'all' ? state.allTasks : state.allTasks.filter(t => t.difficulty === diff);
848
- const el = document.getElementById('task-list-container');
849
- if (!tasks.length) { el.innerHTML = '<div class="empty"><div class="empty-text">No tasks found</div></div>'; return; }
850
- el.innerHTML = tasks.map(t => `
851
- <div class="task-list-item" onclick="tryTask('${t.id}')">
852
- <div class="tli-header">
853
- <div class="tli-name">${t.id.replace(/_/g,' ')}</div>
854
- <span class="diff-tag ${t.difficulty}">${t.difficulty}</span>
855
- </div>
856
- <div class="tli-desc">${escHtml((t.description||'').slice(0,100))}${t.description?.length > 100 ? '…' : ''}</div>
857
- <div class="tli-footer">
858
- ${t.cwe_targets.map(c => `<span class="cwe">${c}</span>`).join('')}
859
- <span class="badge bo" style="font-size:9px;margin-left:auto">Try it →</span>
860
- </div>
861
- </div>
862
- `).join('');
863
- }
864
-
865
- function tryTask(taskId) {
866
- showPanel('playground', document.querySelector('.ntab'));
867
- document.querySelectorAll('.ntab')[0].click();
868
- document.getElementById('task-select').value = taskId;
869
- doReset();
870
- }
871
-
872
- // ── Weight chart ───────────────────────────────────────────────────────────
873
- function renderWeightChart() {
874
- const el = document.getElementById('weight-chart');
875
- const entries = [
876
- ['correctness', 0.30], ['attack_resist', 0.20],
877
- ['static_security', 0.15], ['consistency', 0.15],
878
- ['performance', 0.10], ['documentation', 0.05], ['code_structure', 0.05]
879
- ];
880
- el.innerHTML = entries.map(([name, w]) => `
881
- <div class="weight-bar-row">
882
- <div class="wbr-name">${name}</div>
883
- <div class="wbr-bg"><div class="wbr-fg" style="width:${w*100*3.33}%"></div></div>
884
- <div class="wbr-val">${Math.round(w*100)}%</div>
885
- </div>
886
- `).join('');
887
- setTimeout(() => {
888
- document.querySelectorAll('.wbr-fg').forEach(b => {
889
- b.style.transition = 'width .8s ease';
890
- });
891
- }, 100);
892
- }
893
-
894
- // ── Utils ──────────────────────────────────────────────────────────────────
895
- function escHtml(s) {
896
- return String(s||'').replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
897
- }
898
-
899
- // Tab key in textarea
900
- document.addEventListener('keydown', e => {
901
- if (e.target.id === 'code-editor' && e.key === 'Tab') {
902
- e.preventDefault();
903
- const s = e.target.selectionStart, en = e.target.selectionEnd;
904
- e.target.value = e.target.value.substring(0, s) + ' ' + e.target.value.substring(en);
905
- e.target.selectionStart = e.target.selectionEnd = s + 4;
906
- updateCharCount();
907
- }
908
- // Ctrl+Enter to submit
909
- if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') doStep();
910
- });
911
- </script>
912
- </body>
913
- </html>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
graders/attacks.py CHANGED
@@ -1,42 +1,69 @@
1
  """
2
- SecureCodeEnv - Attack Resistance Grader v2
3
- Fires randomized real attack payloads at agent code each episode.
4
- Weight: 20% of total reward.
5
 
6
- FIXED: All check lambdas handle list OR tuple (JSON round-trip converts tuple→list).
 
 
 
 
7
  """
8
  from sandbox.executor import safe_exec
9
  from sandbox.payload_gen import get_payloads
10
 
11
 
12
  def _is_seq(v):
13
- """True if v is a list or tuple (JSON round-trip safe)."""
14
  return isinstance(v, (list, tuple))
15
 
16
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17
  ATTACK_CONFIGS = {
18
  "medium_sql_query_builder": {
19
  "fn_name": "build_user_query",
20
  "fn_args_template": ["{payload}", "admin"],
21
  "attack_type": "injection",
22
- "check": lambda result, payload: (
23
- _is_seq(result) and len(result) == 2 and
24
- payload not in str(result[0]) and
25
- any(p in str(result[0]) for p in ("%s", "?", ":param", "%("))
26
- ),
27
- "exception_is_pass": False,
28
  },
29
  "medium_file_path_handler": {
30
  "fn_name": "resolve_safe_path",
31
  "fn_args_template": ["/var/uploads", "{payload}"],
32
  "attack_type": "traversal",
33
- "check": lambda result, payload: (
34
- result is None or
35
- (isinstance(result, str) and
36
- "/etc" not in result and "/root" not in result and
37
- ".." not in result and result.startswith("/var/uploads"))
38
- ),
39
- "exception_is_pass": True,
40
  },
41
  "hard_file_upload_handler": {
42
  "fn_name": "validate_upload",
@@ -45,8 +72,8 @@ ATTACK_CONFIGS = {
45
  "check": lambda result, payload: (
46
  isinstance(result, dict) and
47
  (result.get("ok") is False or
48
- (".." not in str(result.get("safe_path", "")) and
49
- "/etc" not in str(result.get("safe_path", ""))))
50
  ),
51
  "exception_is_pass": True,
52
  },
@@ -70,10 +97,18 @@ ATTACK_CONFIGS = {
70
  "attack_type": "xss",
71
  "check": lambda result, payload: (
72
  isinstance(result, str) and
73
- "<script" not in result.lower() and
74
- "onerror" not in result.lower() and
75
- "javascript:" not in result.lower() and
76
- "<img" not in result.lower()
 
 
 
 
 
 
 
 
77
  ),
78
  "exception_is_pass": False,
79
  },
@@ -100,7 +135,8 @@ def grade_attacks(code: str, task: dict, seed: int) -> dict:
100
 
101
  for payload in payloads:
102
  raw_args = config["fn_args_template"]
103
- args = [a.replace("{payload}", payload) if isinstance(a, str) else a for a in raw_args]
 
104
  result = safe_exec(code, args, function_name=config["fn_name"], timeout=3)
105
 
106
  if not result["ok"]:
@@ -120,18 +156,17 @@ def grade_attacks(code: str, task: dict, seed: int) -> dict:
120
  "blocked": blocked,
121
  "total": len(payloads),
122
  "attack_type": config["attack_type"],
123
- "feedback": _attack_feedback(score, config["attack_type"]),
124
  }
125
 
126
 
127
- def _attack_feedback(score: float, attack_type: str) -> str:
128
  names = {
129
  "injection": "SQL injection", "traversal": "path traversal",
130
  "auth_bypass": "authentication bypass", "xss": "XSS",
131
- "weak_random": "predictable randomness",
132
  }
133
  name = names.get(attack_type, attack_type)
134
  if score >= 0.875: return f"Excellent — {name} attacks blocked ({score:.0%})"
135
  elif score >= 0.625: return f"Good — most {name} attacks blocked ({score:.0%})"
136
- elif score >= 0.375: return f"Partial — {score:.0%} of {name} attacks blocked"
137
- else: return f"Vulnerable — only {score:.0%} of {name} attacks blocked"
 
1
  """
2
+ SecureCodeEnv - Attack Resistance Grader v3
 
 
3
 
4
+ FIXED:
5
+ - All check lambdas handle list OR tuple (JSON round-trip)
6
+ - Path traversal check: blocks absolute paths + encoded paths, not just '..'
7
+ - SQL check: verifies placeholder present AND payload not injected
8
+ - Consistent scoring regardless of seed
9
  """
10
  from sandbox.executor import safe_exec
11
  from sandbox.payload_gen import get_payloads
12
 
13
 
14
  def _is_seq(v):
 
15
  return isinstance(v, (list, tuple))
16
 
17
 
18
+ def _sql_safe(result, payload):
19
+ """SQL query output is safe when: is 2-element seq, query has placeholder, raw payload not in query."""
20
+ if not _is_seq(result) or len(result) < 2:
21
+ return False
22
+ query = str(result[0])
23
+ # Must use parameterized placeholder
24
+ if not any(p in query for p in ("%s", "?", ":param", "%(", ":%")):
25
+ return False
26
+ # The raw payload (stripped of whitespace) must NOT appear verbatim in the query
27
+ payload_stripped = payload.strip().replace(" ", "").lower()
28
+ query_lower = query.lower().replace(" ", "")
29
+ if payload_stripped in query_lower:
30
+ return False
31
+ return True
32
+
33
+
34
+ def _path_safe(result, payload):
35
+ """
36
+ Path output is safe when resolved path stays inside /var/uploads.
37
+ Also catches: absolute paths (/etc/), encoded paths (%2e), null bytes.
38
+ """
39
+ if result is None:
40
+ return True # Rejected = safe
41
+ if not isinstance(result, str):
42
+ return True
43
+ r = result.lower()
44
+ # Must stay inside base
45
+ if not result.startswith("/var/uploads"):
46
+ return False
47
+ # Must not contain escape indicators
48
+ bad = ["/etc/", "/root/", "/proc/", "/var/log", "passwd", "shadow",
49
+ "%2e", "%2f", ".."]
50
+ return not any(b in r for b in bad)
51
+
52
+
53
  ATTACK_CONFIGS = {
54
  "medium_sql_query_builder": {
55
  "fn_name": "build_user_query",
56
  "fn_args_template": ["{payload}", "admin"],
57
  "attack_type": "injection",
58
+ "check": _sql_safe,
59
+ "exception_is_pass": False, # SQL builder shouldn't raise on injection input
 
 
 
 
60
  },
61
  "medium_file_path_handler": {
62
  "fn_name": "resolve_safe_path",
63
  "fn_args_template": ["/var/uploads", "{payload}"],
64
  "attack_type": "traversal",
65
+ "check": _path_safe,
66
+ "exception_is_pass": True, # Raising ValueError = correct
 
 
 
 
 
67
  },
68
  "hard_file_upload_handler": {
69
  "fn_name": "validate_upload",
 
72
  "check": lambda result, payload: (
73
  isinstance(result, dict) and
74
  (result.get("ok") is False or
75
+ not any(b in str(result.get("safe_path", "")).lower()
76
+ for b in ["..", "/etc/", "/root/", "%2e"]))
77
  ),
78
  "exception_is_pass": True,
79
  },
 
97
  "attack_type": "xss",
98
  "check": lambda result, payload: (
99
  isinstance(result, str) and
100
+ not any(b in result.lower() for b in
101
+ ["<script", "onerror", "javascript:", "<img ", "<svg", "onload"])
102
+ ),
103
+ "exception_is_pass": False,
104
+ },
105
+ "easy_input_sanitizer_filename": {
106
+ "fn_name": "sanitize_filename",
107
+ "fn_args_template": ["{payload}"],
108
+ "attack_type": "traversal",
109
+ "check": lambda result, payload: (
110
+ isinstance(result, str) and
111
+ ".." not in result and "/" not in result and "\\" not in result
112
  ),
113
  "exception_is_pass": False,
114
  },
 
135
 
136
  for payload in payloads:
137
  raw_args = config["fn_args_template"]
138
+ args = [a.replace("{payload}", payload) if isinstance(a, str) else a
139
+ for a in raw_args]
140
  result = safe_exec(code, args, function_name=config["fn_name"], timeout=3)
141
 
142
  if not result["ok"]:
 
156
  "blocked": blocked,
157
  "total": len(payloads),
158
  "attack_type": config["attack_type"],
159
+ "feedback": _feedback(score, config["attack_type"]),
160
  }
161
 
162
 
163
+ def _feedback(score: float, attack_type: str) -> str:
164
  names = {
165
  "injection": "SQL injection", "traversal": "path traversal",
166
  "auth_bypass": "authentication bypass", "xss": "XSS",
 
167
  }
168
  name = names.get(attack_type, attack_type)
169
  if score >= 0.875: return f"Excellent — {name} attacks blocked ({score:.0%})"
170
  elif score >= 0.625: return f"Good — most {name} attacks blocked ({score:.0%})"
171
+ elif score >= 0.375: return f"Partial — only {score:.0%} of {name} attacks blocked"
172
+ else: return f"Vulnerable — {score:.0%} of {name} attacks blocked — CRITICAL"
graders/consistency.py CHANGED
@@ -1,89 +1,85 @@
1
  """
2
- SecureCodeEnv - CodeGraph Consistency Grader
3
- Checks if new code follows conventions established in the existing codebase.
4
- Weight: 15% of total reward.
5
  """
6
  from codegraph.graph import CodeGraph
7
  from codegraph.extractor import extract_metadata
8
 
9
 
10
- def grade_consistency(code: str, filename: str, graph: CodeGraph, step: int) -> dict:
11
- """
12
- Check if the submitted code is consistent with existing codebase conventions.
 
 
 
 
 
13
 
14
- First component always gets 1.0 — nothing to be consistent with yet.
15
- Subsequent components are checked against established conventions.
16
 
17
- Returns:
18
- {
19
- "score": float 0.0-1.0,
20
- "checks": dict of individual check scores,
21
- "feedback": str
22
- }
23
- """
24
  if not graph.components:
 
 
 
 
 
 
 
 
 
25
  return {
26
- "score": 1.0,
27
- "checks": {"note": "First component — no consistency baseline yet"},
28
- "feedback": "First component submitted — conventions being established",
29
  }
30
 
31
- new_meta = extract_metadata(code, filename, step)
32
- conventions = graph.conventions
33
- checks: dict[str, float] = {}
34
 
35
- # ── Check 1: Naming convention ─────────────────────────────────────────
36
- naming_conv = conventions.get("naming")
37
- if naming_conv and naming_conv != "mixed" and new_meta.functions:
38
  fns = new_meta.functions
39
- if naming_conv == "snake_case":
40
  correct = sum(1 for f in fns if "_" in f["name"] or f["name"].islower())
41
- else: # camelCase
42
- correct = sum(1 for f in fns if f["name"] and f["name"][0].islower() and any(c.isupper() for c in f["name"]))
 
43
  checks["naming_convention"] = correct / len(fns)
44
 
45
- # ── Check 2: Error handling convention ────────────────────────────────
46
- if conventions.get("error_handling") == "try_catch":
47
- uses_try = new_meta.conventions.get("uses_try_catch", False)
48
- checks["error_handling"] = 1.0 if uses_try else 0.3
49
-
50
- # ── Check 3: Type hints ────────────────────────────────────────────────
51
- if conventions.get("uses_type_hints"):
52
- uses_hints = new_meta.conventions.get("uses_type_hints", False)
53
- checks["type_hints"] = 1.0 if uses_hints else 0.4
54
-
55
- # ── Check 4: Docstrings ────────────────────────────────────────────────
56
- if conventions.get("uses_docstrings"):
57
- uses_docs = new_meta.conventions.get("uses_docstrings", False)
58
- checks["docstrings"] = 1.0 if uses_docs else 0.5
59
-
60
- # ── Check 5: No style drift (print statements) ────────────────────────
61
- # If no existing component uses print, new code shouldn't either
62
- existing_no_print = all(
63
- c.conventions.get("no_print_stmts", True)
64
- for c in graph.components.values()
65
- )
66
  if existing_no_print:
67
- checks["no_print_drift"] = 1.0 if new_meta.conventions.get("no_print_stmts", True) else 0.5
68
 
69
- # ── Check 6: Component reuse ───────────────────────────────────────────
70
- reuse_opportunities = 0
71
- reuse_taken = 0
72
  for comp_name in graph.components:
73
- # If the problem mentions an existing component, agent should import it
74
  if comp_name.lower() in code.lower():
75
- reuse_opportunities += 1
76
- if comp_name in code: # Actually imported
77
  reuse_taken += 1
78
- if reuse_opportunities > 0:
79
- checks["component_reuse"] = reuse_taken / reuse_opportunities
80
-
81
- # ── Aggregate ──────────────────────────────────────────────────────────
82
- if not checks:
83
- score = 1.0
84
- else:
85
- score = sum(checks.values()) / len(checks)
86
 
 
87
  return {
88
  "score": round(score, 4),
89
  "checks": checks,
@@ -91,10 +87,17 @@ def grade_consistency(code: str, filename: str, graph: CodeGraph, step: int) ->
91
  }
92
 
93
 
 
 
 
 
 
 
 
94
  def _consistency_feedback(score: float, checks: dict) -> str:
95
  if score >= 0.9:
96
  return "Excellent consistency with existing codebase conventions"
97
  failing = [k for k, v in checks.items() if isinstance(v, float) and v < 0.5]
98
  if failing:
99
- return f"Consistency issues in: {', '.join(failing)}"
100
- return f"Good consistency — minor convention drift ({score:.2f})"
 
1
  """
2
+ SecureCodeEnv - Consistency Grader v3
3
+ FIXED: Step 0 no longer gives free 1.0 rewards ESTABLISHING good practices
 
4
  """
5
  from codegraph.graph import CodeGraph
6
  from codegraph.extractor import extract_metadata
7
 
8
 
9
+ # Minimum quality bar for first submission (establishing conventions)
10
+ GOOD_PRACTICES = {
11
+ "uses_type_hints": ("Type hints present", 0.15),
12
+ "uses_docstrings": ("Docstrings present", 0.15),
13
+ "uses_try_catch": ("Error handling present", 0.10),
14
+ "no_print_stmts": ("No debug print statements", 0.10),
15
+ "no_hardcoded_secrets": ("No hardcoded secrets detected", 0.10),
16
+ }
17
 
 
 
18
 
19
+ def grade_consistency(code: str, filename: str, graph: CodeGraph, step: int) -> dict:
20
+ new_meta = extract_metadata(code, filename, step)
21
+ conv = new_meta.conventions
22
+
 
 
 
23
  if not graph.components:
24
+ # Step 0: score on how well the agent ESTABLISHES good practices
25
+ checks = {}
26
+ for key, (label, _) in GOOD_PRACTICES.items():
27
+ checks[key] = 1.0 if conv.get(key, False) else 0.0
28
+
29
+ score = sum(checks.values()) / max(len(checks), 1)
30
+ # Minimum 0.5 so this doesn't destroy reward on first step
31
+ score = max(0.5, score)
32
+
33
  return {
34
+ "score": round(score, 4),
35
+ "checks": checks,
36
+ "feedback": _first_step_feedback(score, checks),
37
  }
38
 
39
+ # Step 1+: check consistency with established conventions
40
+ established = graph.conventions
41
+ checks = {}
42
 
43
+ # Naming convention
44
+ naming = established.get("naming")
45
+ if naming and naming != "mixed" and new_meta.functions:
46
  fns = new_meta.functions
47
+ if naming == "snake_case":
48
  correct = sum(1 for f in fns if "_" in f["name"] or f["name"].islower())
49
+ else:
50
+ correct = sum(1 for f in fns if f["name"] and f["name"][0].islower()
51
+ and any(c.isupper() for c in f["name"]))
52
  checks["naming_convention"] = correct / len(fns)
53
 
54
+ # Error handling
55
+ if established.get("error_handling") == "try_catch":
56
+ checks["error_handling"] = 1.0 if conv.get("uses_try_catch") else 0.3
57
+
58
+ # Type hints
59
+ if established.get("uses_type_hints"):
60
+ checks["type_hints"] = 1.0 if conv.get("uses_type_hints") else 0.4
61
+
62
+ # Docstrings
63
+ if established.get("uses_docstrings"):
64
+ checks["docstrings"] = 1.0 if conv.get("uses_docstrings") else 0.5
65
+
66
+ # No print drift
67
+ existing_no_print = all(c.conventions.get("no_print_stmts", True)
68
+ for c in graph.components.values())
 
 
 
 
 
 
69
  if existing_no_print:
70
+ checks["no_print_drift"] = 1.0 if conv.get("no_print_stmts", True) else 0.3
71
 
72
+ # Component reuse
73
+ reuse_opp = reuse_taken = 0
 
74
  for comp_name in graph.components:
 
75
  if comp_name.lower() in code.lower():
76
+ reuse_opp += 1
77
+ if comp_name in code:
78
  reuse_taken += 1
79
+ if reuse_opp > 0:
80
+ checks["component_reuse"] = reuse_taken / reuse_opp
 
 
 
 
 
 
81
 
82
+ score = sum(checks.values()) / max(len(checks), 1) if checks else 0.8
83
  return {
84
  "score": round(score, 4),
85
  "checks": checks,
 
87
  }
88
 
89
 
90
+ def _first_step_feedback(score: float, checks: dict) -> str:
91
+ missing = [k for k, v in checks.items() if v == 0.0]
92
+ if not missing:
93
+ return f"Good conventions established (score: {score:.2f})"
94
+ return f"Missing good practices: {', '.join(missing)} — add type hints, docstrings, error handling"
95
+
96
+
97
  def _consistency_feedback(score: float, checks: dict) -> str:
98
  if score >= 0.9:
99
  return "Excellent consistency with existing codebase conventions"
100
  failing = [k for k, v in checks.items() if isinstance(v, float) and v < 0.5]
101
  if failing:
102
+ return f"Convention drift in: {', '.join(failing)}"
103
+ return f"Minor convention drift (score: {score:.2f})"
graders/correctness.py CHANGED
@@ -5,6 +5,9 @@ Weight: 30% of total reward — the highest single weight.
5
  """
6
  from sandbox.executor import safe_exec
7
 
 
 
 
8
 
9
  def grade_correctness(code: str, task: dict) -> dict:
10
  """
@@ -74,6 +77,18 @@ def _run_test_case(code: str, tc: dict) -> dict:
74
  ok = output is not None
75
  return {"passed": ok, "description": description}
76
 
 
 
 
 
 
 
 
 
 
 
 
 
77
  # Standard equality check
78
  if "expected" in tc:
79
  expected = tc["expected"]
 
5
  """
6
  from sandbox.executor import safe_exec
7
 
8
+ def _is_seq(v):
9
+ return isinstance(v, (list, tuple))
10
+
11
 
12
  def grade_correctness(code: str, task: dict) -> dict:
13
  """
 
77
  ok = output is not None
78
  return {"passed": ok, "description": description}
79
 
80
+ # SQL injection safety check: payload must NOT appear in query, placeholder must exist
81
+ if tc.get("sql_injection_check"):
82
+ if not _is_seq(output) or len(output) < 2:
83
+ return {"passed": False, "description": description, "error": "Not a 2-element tuple"}
84
+ query = str(output[0])
85
+ payload_val = inputs[0] if inputs else ""
86
+ has_placeholder = any(p in query for p in ("%s", "?", ":param", "%(username"))
87
+ payload_not_in_query = str(payload_val).strip() not in query
88
+ ok = has_placeholder and payload_not_in_query
89
+ return {"passed": ok, "description": description,
90
+ "note": f"placeholder={has_placeholder} payload_safe={payload_not_in_query}"}
91
+
92
  # Standard equality check
93
  if "expected" in tc:
94
  expected = tc["expected"]
graders/performance.py CHANGED
@@ -1,9 +1,6 @@
1
  """
2
- SecureCodeEnv - Performance Grader
3
- Relative scoring: agent vs naive vs optimal baselines via subprocess timeit.
4
- Weight: 10% of total reward.
5
-
6
- FIXED: subprocess measurement was returning 0.0ms due to JSON parse of wrong line.
7
  """
8
  import sys, tempfile, os, json, subprocess
9
 
@@ -14,60 +11,60 @@ def grade_performance(code: str, task: dict) -> dict:
14
  optimal_code = task.get("optimal_code", "")
15
 
16
  if not test_cases or not naive_code or not optimal_code:
17
- return {"score": 0.8, "time_score": 0.8, "memory_score": 0.8,
18
- "feedback": "No performance baselines defined — default score applied"}
19
 
20
- # Find a usable test case (direct fn call, no class, no exception expected)
21
  tc = next((t for t in test_cases
22
  if "fn" in t and "input" in t
23
  and "fn_class" not in t
24
  and "expected_exception" not in t), None)
25
-
26
  if not tc:
27
- return {"score": 0.8, "time_score": 0.8, "memory_score": 0.8,
28
- "feedback": "No suitable test case for performance measurement"}
29
 
30
  fn_name = tc["fn"]
31
  inputs = tc["input"]
32
 
33
  try:
34
- agent_ms = _measure_ms(code, fn_name, inputs)
35
- naive_ms = _measure_ms(naive_code, fn_name, inputs)
36
- optimal_ms = _measure_ms(optimal_code, fn_name, inputs)
 
 
 
 
 
 
 
 
37
 
38
- # Clamp to avoid division by zero
39
  time_range = max(naive_ms - optimal_ms, 0.01)
40
  raw = 1.0 - ((agent_ms - optimal_ms) / time_range)
41
  time_score = max(0.0, min(1.0, raw))
42
- memory_score = time_score # tracemalloc approximation
43
 
44
- combined = round((time_score * 0.7) + (memory_score * 0.3), 4)
45
  return {
46
  "score": combined,
47
  "time_score": round(time_score, 4),
48
- "memory_score": round(memory_score, 4),
49
- "agent_ms": round(agent_ms, 3),
50
- "naive_ms": round(naive_ms, 3),
51
  "optimal_ms": round(optimal_ms, 3),
52
- "feedback": _perf_feedback(combined),
53
  }
54
  except Exception as e:
55
- return {"score": 0.7, "time_score": 0.7, "memory_score": 0.7,
56
- "feedback": f"Performance measurement error: {str(e)[:60]}"}
57
 
58
 
59
- def _measure_ms(code: str, fn_name: str, inputs: list, runs: int = 20) -> float:
60
- """Measure mean execution time in milliseconds via isolated subprocess."""
61
  script = f"""
62
  import timeit, json, sys
63
-
64
  {code}
65
-
66
  def _run():
67
  {fn_name}(*{json.dumps(inputs)})
68
-
69
  times = timeit.repeat(_run, number={runs}, repeat=5)
70
- best = min(times) / {runs} * 1000 # ms
71
  sys.stdout.write(json.dumps({{"ms": best}}) + "\\n")
72
  sys.stdout.flush()
73
  """
@@ -75,29 +72,24 @@ sys.stdout.flush()
75
  try:
76
  with tempfile.NamedTemporaryFile(mode="w", suffix=".py",
77
  delete=False, prefix="sce_perf_") as f:
78
- f.write(script)
79
- tmp = f.name
80
-
81
- proc = subprocess.run(
82
- [sys.executable, tmp],
83
- capture_output=True, text=True, timeout=30
84
- )
85
- # Take last non-empty line (avoids noise from imports/warnings)
86
  for line in reversed(proc.stdout.strip().splitlines()):
87
  line = line.strip()
88
  if line.startswith("{"):
89
  return json.loads(line)["ms"]
90
- return 5.0 # fallback
91
  except Exception:
92
- return 5.0
93
  finally:
94
  if tmp and os.path.exists(tmp):
95
  try: os.unlink(tmp)
96
  except OSError: pass
97
 
98
 
99
- def _perf_feedback(score: float) -> str:
100
  if score >= 0.9: return "Excellent — near-optimal efficiency"
101
  elif score >= 0.7: return "Good — minor optimisation possible"
102
  elif score >= 0.5: return "Acceptable — room for improvement"
103
- else: return "Poor — consider algorithmic improvements"
 
1
  """
2
+ SecureCodeEnv - Performance Grader v3
3
+ FIXED: 0ms measurement now returns 0.6 (neutral) not 1.0
 
 
 
4
  """
5
  import sys, tempfile, os, json, subprocess
6
 
 
11
  optimal_code = task.get("optimal_code", "")
12
 
13
  if not test_cases or not naive_code or not optimal_code:
14
+ return {"score": 0.6, "time_score": 0.6, "memory_score": 0.6,
15
+ "feedback": "No baselines defined — neutral score applied"}
16
 
 
17
  tc = next((t for t in test_cases
18
  if "fn" in t and "input" in t
19
  and "fn_class" not in t
20
  and "expected_exception" not in t), None)
 
21
  if not tc:
22
+ return {"score": 0.6, "time_score": 0.6, "memory_score": 0.6,
23
+ "feedback": "No suitable test case neutral score applied"}
24
 
25
  fn_name = tc["fn"]
26
  inputs = tc["input"]
27
 
28
  try:
29
+ agent_ms = _measure_ms(code, fn_name, inputs)
30
+ naive_ms = _measure_ms(naive_code, fn_name, inputs)
31
+ optimal_ms = _measure_ms(optimal_code, fn_name, inputs)
32
+
33
+ # FIXED: if measurements indistinguishable, return neutral 0.6
34
+ if abs(naive_ms - optimal_ms) < 0.001:
35
+ return {"score": 0.6, "time_score": 0.6, "memory_score": 0.6,
36
+ "agent_ms": round(agent_ms, 3),
37
+ "naive_ms": round(naive_ms, 3),
38
+ "optimal_ms": round(optimal_ms, 3),
39
+ "feedback": "Functions too fast to differentiate — neutral score"}
40
 
 
41
  time_range = max(naive_ms - optimal_ms, 0.01)
42
  raw = 1.0 - ((agent_ms - optimal_ms) / time_range)
43
  time_score = max(0.0, min(1.0, raw))
44
+ combined = round((time_score * 0.7) + (time_score * 0.3), 4)
45
 
 
46
  return {
47
  "score": combined,
48
  "time_score": round(time_score, 4),
49
+ "memory_score": round(time_score, 4),
50
+ "agent_ms": round(agent_ms, 3),
51
+ "naive_ms": round(naive_ms, 3),
52
  "optimal_ms": round(optimal_ms, 3),
53
+ "feedback": _feedback(combined),
54
  }
55
  except Exception as e:
56
+ return {"score": 0.6, "time_score": 0.6, "memory_score": 0.6,
57
+ "feedback": f"Measurement error: {str(e)[:60]}"}
58
 
59
 
60
+ def _measure_ms(code: str, fn_name: str, inputs: list, runs: int = 50) -> float:
 
61
  script = f"""
62
  import timeit, json, sys
 
63
  {code}
 
64
  def _run():
65
  {fn_name}(*{json.dumps(inputs)})
 
66
  times = timeit.repeat(_run, number={runs}, repeat=5)
67
+ best = min(times) / {runs} * 1000
68
  sys.stdout.write(json.dumps({{"ms": best}}) + "\\n")
69
  sys.stdout.flush()
70
  """
 
72
  try:
73
  with tempfile.NamedTemporaryFile(mode="w", suffix=".py",
74
  delete=False, prefix="sce_perf_") as f:
75
+ f.write(script); tmp = f.name
76
+ proc = subprocess.run([sys.executable, tmp],
77
+ capture_output=True, text=True, timeout=30)
 
 
 
 
 
78
  for line in reversed(proc.stdout.strip().splitlines()):
79
  line = line.strip()
80
  if line.startswith("{"):
81
  return json.loads(line)["ms"]
82
+ return -1.0 # Signal unmeasurable
83
  except Exception:
84
+ return -1.0
85
  finally:
86
  if tmp and os.path.exists(tmp):
87
  try: os.unlink(tmp)
88
  except OSError: pass
89
 
90
 
91
+ def _feedback(score: float) -> str:
92
  if score >= 0.9: return "Excellent — near-optimal efficiency"
93
  elif score >= 0.7: return "Good — minor optimisation possible"
94
  elif score >= 0.5: return "Acceptable — room for improvement"
95
+ else: return "Poor — significant performance gap vs optimal"
graders/reward_aggregator.py CHANGED
@@ -1,4 +1,14 @@
1
- """SecureCodeEnv - Reward Aggregator v2 (complete details passthrough)"""
 
 
 
 
 
 
 
 
 
 
2
  from graders.correctness import grade_correctness
3
  from graders.attacks import grade_attacks
4
  from graders.static_analysis import grade_static_analysis
@@ -8,17 +18,31 @@ from graders.documentation import grade_documentation, grade_code_structure
8
  from codegraph.extractor import extract_metadata
9
  from codegraph.graph import CodeGraph
10
 
 
11
  WEIGHTS = {
12
- "correctness": 0.30,
13
- "attack_resist": 0.20,
14
- "static_security": 0.15,
15
- "consistency": 0.15,
16
- "performance": 0.10,
17
- "documentation": 0.05,
18
- "code_structure": 0.05,
19
  }
20
  assert abs(sum(WEIGHTS.values()) - 1.0) < 1e-9
21
 
 
 
 
 
 
 
 
 
 
 
 
 
 
22
 
23
  def grade_submission(code, filename, task, graph, step, seed):
24
  corr = grade_correctness(code, task)
@@ -39,8 +63,22 @@ def grade_submission(code, filename, task, graph, step, seed):
39
  "code_structure": struct["score"],
40
  }
41
 
42
- total_reward = round(max(0.0, min(1.0,
43
- sum(scores[k] * WEIGHTS[k] for k in WEIGHTS))), 4)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
44
 
45
  feedback = {
46
  "correctness": corr.get("feedback", ""),
@@ -50,41 +88,51 @@ def grade_submission(code, filename, task, graph, step, seed):
50
  "performance": perf.get("feedback", ""),
51
  "documentation": doc.get("feedback", ""),
52
  "code_structure": struct.get("feedback", ""),
53
- "summary": _summary(total_reward, scores),
 
54
  }
55
 
56
  details = {
57
  "correctness": {"passed": corr.get("passed"), "total": corr.get("total")},
58
- "attacks": {
59
- "blocked": atk.get("blocked"), "total": atk.get("total"),
60
- "type": atk.get("attack_type"),
61
- },
62
- "static": {
63
- "bandit_score": stat.get("bandit_score"),
64
- "issues": stat.get("issues", [])[:3],
65
- },
66
  }
67
 
68
  return {
69
  "scores": scores,
70
  "total_reward": total_reward,
 
71
  "feedback": feedback,
72
  "details": details,
73
- "agent_ms": perf.get("agent_ms"),
74
- "naive_ms": perf.get("naive_ms"),
75
  "optimal_ms": perf.get("optimal_ms"),
76
  "new_metadata": extract_metadata(code, filename, step),
77
  }
78
 
79
 
80
- def _summary(reward, scores):
81
- if reward >= 0.90:
82
- return f"✅ Excellent ({reward:.3f}) — production-ready"
83
- elif reward >= 0.70:
 
 
 
 
 
 
 
 
 
 
84
  weakest = min(scores, key=scores.get)
85
  return f"🟡 Good ({reward:.3f}) — improve: {weakest} ({scores[weakest]:.2f})"
86
- elif reward >= 0.50:
87
  weak = [k for k, v in scores.items() if v < 0.5]
88
  return f"🟠 Needs work ({reward:.3f}) — fix: {', '.join(weak[:3])}"
89
- else:
90
- return f"🔴 Poor ({reward:.3f}) — major security/correctness failures"
 
1
+ """
2
+ SecureCodeEnv - Reward Aggregator v3
3
+
4
+ KEY CHANGES:
5
+ 1. SECURITY GATE: episode cannot be DONE unless attack_resist >= 0.75
6
+ AND static_security >= 0.70. Prevents insecure code from "winning".
7
+ 2. Weights rebalanced: static_security raised, performance lowered.
8
+ 3. DONE threshold raised to 0.92.
9
+ 4. Security floor penalty: if attack_resist < 0.5 OR static_security < 0.5,
10
+ total reward is capped at 0.65 (cannot fool the system with correctness alone).
11
+ """
12
  from graders.correctness import grade_correctness
13
  from graders.attacks import grade_attacks
14
  from graders.static_analysis import grade_static_analysis
 
18
  from codegraph.extractor import extract_metadata
19
  from codegraph.graph import CodeGraph
20
 
21
+ # REBALANCED weights — security dimensions raised
22
  WEIGHTS = {
23
+ "correctness": 0.25, # was 0.30 — still most important
24
+ "attack_resist": 0.25, # was 0.20 — raised: must resist real attacks
25
+ "static_security": 0.20, # was 0.15 — raised: must pass static analysis
26
+ "consistency": 0.10, # was 0.15 — reduced
27
+ "performance": 0.08, # was 0.10 — reduced (too noisy)
28
+ "documentation": 0.07, # was 0.05
29
+ "code_structure": 0.05, # unchanged
30
  }
31
  assert abs(sum(WEIGHTS.values()) - 1.0) < 1e-9
32
 
33
+ # Security gate: these minimums must ALL be met for episode to be DONE
34
+ SECURITY_GATE = {
35
+ "attack_resist": 0.75, # Must block >= 75% of attacks
36
+ "static_security": 0.70, # Must pass >= 70% of static checks
37
+ "correctness": 0.80, # Must pass >= 80% of tests
38
+ }
39
+ DONE_THRESHOLD = 0.92 # Raised from 0.90
40
+
41
+ # Security floor: if security is critically low, cap total reward
42
+ SECURITY_FLOOR_DIMS = ["attack_resist", "static_security"]
43
+ SECURITY_FLOOR_THRESHOLD = 0.50
44
+ SECURITY_FLOOR_CAP = 0.65
45
+
46
 
47
  def grade_submission(code, filename, task, graph, step, seed):
48
  corr = grade_correctness(code, task)
 
63
  "code_structure": struct["score"],
64
  }
65
 
66
+ raw_reward = sum(scores[k] * WEIGHTS[k] for k in WEIGHTS)
67
+
68
+ # SECURITY FLOOR: insecure code is capped regardless of correctness
69
+ security_critical_fail = any(
70
+ scores[dim] < SECURITY_FLOOR_THRESHOLD
71
+ for dim in SECURITY_FLOOR_DIMS
72
+ )
73
+ if security_critical_fail:
74
+ raw_reward = min(raw_reward, SECURITY_FLOOR_CAP)
75
+
76
+ total_reward = round(max(0.0, min(1.0, raw_reward)), 4)
77
+
78
+ # SECURITY GATE for done determination
79
+ gate_passed = all(scores[dim] >= threshold
80
+ for dim, threshold in SECURITY_GATE.items())
81
+ done_eligible = total_reward >= DONE_THRESHOLD and gate_passed
82
 
83
  feedback = {
84
  "correctness": corr.get("feedback", ""),
 
88
  "performance": perf.get("feedback", ""),
89
  "documentation": doc.get("feedback", ""),
90
  "code_structure": struct.get("feedback", ""),
91
+ "summary": _summary(total_reward, scores, gate_passed),
92
+ "security_gate": "PASSED" if gate_passed else _gate_status(scores),
93
  }
94
 
95
  details = {
96
  "correctness": {"passed": corr.get("passed"), "total": corr.get("total")},
97
+ "attacks": {"blocked": atk.get("blocked"), "total": atk.get("total"),
98
+ "type": atk.get("attack_type")},
99
+ "static": {"bandit_score": stat.get("bandit_score"),
100
+ "hard_fail": stat.get("hard_fail", False),
101
+ "issues": stat.get("issues", [])[:3]},
102
+ "security_gate_passed": gate_passed,
103
+ "done_eligible": done_eligible,
 
104
  }
105
 
106
  return {
107
  "scores": scores,
108
  "total_reward": total_reward,
109
+ "done_eligible": done_eligible,
110
  "feedback": feedback,
111
  "details": details,
112
+ "agent_ms": perf.get("agent_ms"),
113
+ "naive_ms": perf.get("naive_ms"),
114
  "optimal_ms": perf.get("optimal_ms"),
115
  "new_metadata": extract_metadata(code, filename, step),
116
  }
117
 
118
 
119
+ def _gate_status(scores: dict) -> str:
120
+ failing = [f"{dim} ({scores[dim]:.2f} < {thr})"
121
+ for dim, thr in SECURITY_GATE.items()
122
+ if scores[dim] < thr]
123
+ return f"BLOCKED — security gate not met: {', '.join(failing)}"
124
+
125
+
126
+ def _summary(reward, scores, gate_passed):
127
+ if reward >= DONE_THRESHOLD and gate_passed:
128
+ return f"✅ Excellent ({reward:.3f}) — production-ready, security gate passed"
129
+ if not gate_passed:
130
+ gate_msg = _gate_status(scores)
131
+ return f"🔒 {gate_msg} (reward: {reward:.3f})"
132
+ if reward >= 0.75:
133
  weakest = min(scores, key=scores.get)
134
  return f"🟡 Good ({reward:.3f}) — improve: {weakest} ({scores[weakest]:.2f})"
135
+ if reward >= 0.55:
136
  weak = [k for k, v in scores.items() if v < 0.5]
137
  return f"🟠 Needs work ({reward:.3f}) — fix: {', '.join(weak[:3])}"
138
+ return f"🔴 Poor ({reward:.3f}) — major security/correctness failures"
 
graders/static_analysis.py CHANGED
@@ -1,206 +1,218 @@
1
  """
2
- SecureCodeEnv - Static Analysis Grader
3
- Runs bandit (CWE-aware Python security linter) + AST-based anti-pattern checks.
4
- Weight: 15% of total reward.
 
 
 
5
  """
6
- import subprocess
7
- import json
8
- import tempfile
9
- import os
10
- import ast
11
 
12
 
13
  def grade_static_analysis(code: str, task: dict) -> dict:
14
- """
15
- Run bandit + AST checks on the submitted code.
16
-
17
- Returns:
18
- {
19
- "score": float 0.0-1.0,
20
- "bandit_score": float,
21
- "ast_score": float,
22
- "issues": list,
23
- "feedback": str
24
- }
25
- """
26
- bandit_result = _run_bandit(code)
27
- ast_result = _run_ast_checks(code, task)
28
 
29
- # Combine: bandit is 70%, AST custom checks are 30%
30
- combined_score = (bandit_result["score"] * 0.70) + (ast_result["score"] * 0.30)
 
 
 
31
 
32
- all_issues = bandit_result.get("issues", []) + ast_result.get("issues", [])
33
 
34
  return {
35
- "score": round(combined_score, 4),
36
- "bandit_score": bandit_result["score"],
37
- "ast_score": ast_result["score"],
38
- "issues": all_issues[:10], # Cap at 10 issues for response size
39
- "feedback": _static_feedback(combined_score, all_issues),
 
40
  }
41
 
42
 
43
  def _run_bandit(code: str) -> dict:
44
- """Run bandit security linter on the code string."""
45
- tmp_path = None
46
  try:
47
- with tempfile.NamedTemporaryFile(
48
- mode="w", suffix=".py", delete=False, prefix="sce_bandit_"
49
- ) as f:
50
- f.write(code)
51
- tmp_path = f.name
52
-
53
- result = subprocess.run(
54
- ["bandit", "-r", tmp_path, "-f", "json", "-q", "--exit-zero"],
55
- capture_output=True, text=True, timeout=15,
56
- )
57
-
58
- try:
59
- data = json.loads(result.stdout or '{"results":[]}')
60
- except json.JSONDecodeError:
61
- return {"score": 1.0, "issues": [], "note": "bandit output parse error"}
62
 
 
 
 
 
 
63
  issues = data.get("results", [])
 
 
64
  penalty = 0.0
65
- for issue in issues:
66
- sev = issue.get("issue_severity", "LOW")
67
- if sev == "HIGH":
68
- penalty += 0.30
69
- elif sev == "MEDIUM":
70
- penalty += 0.15
71
- else:
72
- penalty += 0.05
73
 
74
  score = max(0.0, 1.0 - penalty)
75
  return {
76
  "score": round(score, 4),
77
- "issues": [
78
- {
79
- "severity": i.get("issue_severity"),
80
- "text": i.get("issue_text", "")[:100],
81
- "line": i.get("line_number"),
82
- "cwe": i.get("issue_cwe", {}).get("id") if isinstance(i.get("issue_cwe"), dict) else None,
83
- }
84
- for i in issues[:5]
85
- ],
86
  }
87
  except FileNotFoundError:
88
- # bandit not installed skip gracefully
89
- return {"score": 1.0, "issues": [], "note": "bandit not available"}
90
- except subprocess.TimeoutExpired:
91
- return {"score": 0.8, "issues": [], "note": "bandit timed out"}
92
  except Exception as e:
93
- return {"score": 1.0, "issues": [], "note": f"bandit error: {str(e)[:50]}"}
94
  finally:
95
- if tmp_path and os.path.exists(tmp_path):
96
- try:
97
- os.unlink(tmp_path)
98
- except OSError:
99
- pass
100
-
101
-
102
- def _run_ast_checks(code: str, task: dict) -> dict:
103
- """
104
- AST-based security checks tailored to the task's security_checks config.
105
- Falls back to generic anti-pattern detection.
106
- """
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
107
  issues = []
 
108
  checks_passed = 0
109
  total_checks = 0
110
 
111
- # Generic dangerous pattern checks (always run)
112
- generic_checks = [
113
- ("no_eval", ["eval(", "exec("], "Dangerous eval/exec usage detected"),
114
- ("no_shell_true", ["shell=True"], "shell=True enables command injection"),
115
- ("no_pickle", ["pickle.loads", "pickle.load"], "Unsafe pickle deserialization"),
116
- ("no_yaml_unsafe", ["yaml.load(", "yaml.unsafe_load"], "Unsafe YAML load"),
117
- ("no_hardcoded_md5", ["hashlib.md5", "md5("], "Weak MD5 hash function"),
118
- ("no_hardcoded_sha1", ["hashlib.sha1", "sha1("], "Weak SHA1 hash function"),
119
- ]
120
-
121
- for check_name, patterns, message in generic_checks:
122
  total_checks += 1
123
- found = any(p in code for p in patterns)
124
  if found:
125
- issues.append({"check": check_name, "message": message, "severity": "HIGH"})
 
126
  else:
127
  checks_passed += 1
128
 
129
- # Task-specific checks
130
- task_checks = task.get("security_checks", [])
131
- for check in task_checks:
132
  total_checks += 1
133
- check_type = check.get("type", "")
134
-
135
- if check_type == "no_weak_hash":
136
- forbidden = check.get("forbidden", [])
137
- found = any(f in code for f in forbidden)
138
- if found:
139
- issues.append({"check": "weak_hash", "message": f"Weak hash used: {[f for f in forbidden if f in code]}", "severity": "HIGH"})
140
- else:
141
- checks_passed += 1
142
-
143
- elif check_type == "uses_bcrypt":
144
- if "bcrypt" in code:
145
- checks_passed += 1
146
- else:
147
- issues.append({"check": "uses_bcrypt", "message": "bcrypt not used — passwords will be weakly hashed", "severity": "HIGH"})
148
-
149
- elif check_type == "uses_secrets":
150
- if "secrets" in code:
151
- checks_passed += 1
152
- else:
153
- issues.append({"check": "uses_secrets", "message": "secrets module not used — randomness may be insecure", "severity": "MEDIUM"})
154
-
155
- elif check_type == "no_weak_random":
156
- forbidden = check.get("forbidden", ["random.random(", "random.randint("])
157
- found = any(f in code for f in forbidden)
158
- if found:
159
- issues.append({"check": "weak_random", "message": "Weak PRNG (random module) used for security-sensitive operation", "severity": "HIGH"})
160
- else:
161
- checks_passed += 1
162
-
163
- elif check_type == "no_string_format_sql":
164
- forbidden = check.get("forbidden", [])
165
- found = any(f in code for f in forbidden)
166
- if found:
167
- issues.append({"check": "sql_injection", "message": "String formatting used in SQL query — SQL injection risk", "severity": "HIGH"})
168
- else:
169
- checks_passed += 1
170
-
171
- elif check_type == "uses_hmac_compare_digest":
172
- if "hmac.compare_digest" in code:
173
- checks_passed += 1
174
- else:
175
- issues.append({"check": "timing_attack", "message": "hmac.compare_digest not used — timing attack possible", "severity": "MEDIUM"})
176
-
177
- elif check_type == "no_verify_false":
178
- forbidden = check.get("forbidden", [])
179
- found = any(f in code for f in forbidden)
180
- if found:
181
- issues.append({"check": "jwt_no_verify", "message": "JWT signature verification disabled", "severity": "HIGH"})
182
- else:
183
- checks_passed += 1
184
-
185
- elif check_type == "algorithm_specified":
186
- required = check.get("required", [])
187
- found = any(r in code for r in required)
188
- if found:
189
- checks_passed += 1
190
- else:
191
- issues.append({"check": "jwt_alg", "message": "JWT algorithms= not specified — alg:none attack possible", "severity": "HIGH"})
192
 
193
  score = checks_passed / max(total_checks, 1)
194
- return {"score": round(score, 4), "issues": issues}
195
-
196
-
197
- def _static_feedback(score: float, issues: list) -> str:
198
- if score >= 0.9:
199
- return f"Clean — no significant security issues found"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
200
  high = sum(1 for i in issues if i.get("severity") == "HIGH")
201
- medium = sum(1 for i in issues if i.get("severity") == "MEDIUM")
202
- if high > 0:
203
- return f"{high} HIGH severity issue(s) found — immediate fix needed"
204
- if medium > 0:
205
- return f"{medium} MEDIUM severity issue(s) found — review recommended"
206
- return f"Some minor issues found (score: {score:.2f})"
 
1
  """
2
+ SecureCodeEnv - Static Analysis Grader v3
3
+
4
+ FIXED:
5
+ - HIGH severity issues now cap the score at 0.40 max (was just subtracting 0.30)
6
+ - Task-specific security checks have hard caps when violated
7
+ - bandit penalty curve is steeper
8
  """
9
+ import subprocess, json, tempfile, os, ast, re
 
 
 
 
10
 
11
 
12
  def grade_static_analysis(code: str, task: dict) -> dict:
13
+ bandit = _run_bandit(code)
14
+ custom = _run_custom_checks(code, task)
 
 
 
 
 
 
 
 
 
 
 
 
15
 
16
+ # If a HARD security requirement is violated, cap at 0.40 regardless of bandit
17
+ if custom.get("hard_fail"):
18
+ final_score = min(bandit["score"] * 0.4, 0.40)
19
+ else:
20
+ final_score = (bandit["score"] * 0.60) + (custom["score"] * 0.40)
21
 
22
+ all_issues = bandit.get("issues", []) + custom.get("issues", [])
23
 
24
  return {
25
+ "score": round(max(0.0, min(1.0, final_score)), 4),
26
+ "bandit_score": bandit["score"],
27
+ "ast_score": custom["score"],
28
+ "hard_fail": custom.get("hard_fail", False),
29
+ "issues": all_issues[:10],
30
+ "feedback": _feedback(final_score, all_issues, custom.get("hard_fail", False)),
31
  }
32
 
33
 
34
  def _run_bandit(code: str) -> dict:
35
+ tmp = None
 
36
  try:
37
+ with tempfile.NamedTemporaryFile(mode="w", suffix=".py",
38
+ delete=False, prefix="sce_ban_") as f:
39
+ f.write(code); tmp = f.name
 
 
 
 
 
 
 
 
 
 
 
 
40
 
41
+ res = subprocess.run(
42
+ ["bandit", "-r", tmp, "-f", "json", "-q", "--exit-zero"],
43
+ capture_output=True, text=True, timeout=15
44
+ )
45
+ data = json.loads(res.stdout or '{"results":[]}')
46
  issues = data.get("results", [])
47
+
48
+ # Steeper penalty curve + cap at 3 HIGH issues = 0.0
49
  penalty = 0.0
50
+ for i in issues:
51
+ sev = i.get("issue_severity", "LOW")
52
+ if sev == "HIGH": penalty += 0.40
53
+ elif sev == "MEDIUM": penalty += 0.20
54
+ else: penalty += 0.05
 
 
 
55
 
56
  score = max(0.0, 1.0 - penalty)
57
  return {
58
  "score": round(score, 4),
59
+ "issues": [{"severity": i.get("issue_severity"),
60
+ "text": i.get("issue_text", "")[:100],
61
+ "line": i.get("line_number")} for i in issues[:5]],
 
 
 
 
 
 
62
  }
63
  except FileNotFoundError:
64
+ return {"score": 1.0, "issues": [], "note": "bandit not installed"}
 
 
 
65
  except Exception as e:
66
+ return {"score": 1.0, "issues": [], "note": str(e)[:40]}
67
  finally:
68
+ if tmp and os.path.exists(tmp):
69
+ try: os.unlink(tmp)
70
+ except OSError: pass
71
+
72
+
73
+ # Security requirements per task — violation = hard_fail (cap at 0.40)
74
+ HARD_REQUIREMENTS = {
75
+ "easy_password_validator": [
76
+ {"type": "forbidden_any", "patterns": ["hashlib.md5", "hashlib.sha1", "hashlib.sha256",
77
+ "md5(", "sha1(", "sha256("],
78
+ "message": "Weak hash function used — must use bcrypt"},
79
+ {"type": "forbidden_any", "patterns": ["random.random(", "random.randint("],
80
+ "message": "Insecure randomness"},
81
+ ],
82
+ "easy_token_generator": [
83
+ {"type": "forbidden_any", "patterns": ["random.random(", "random.randint(",
84
+ "random.choice(", "random.seed("],
85
+ "message": "Weak PRNG used for token generation — must use secrets module"},
86
+ {"type": "required_any", "patterns": ["secrets"],
87
+ "message": "secrets module not imported"},
88
+ ],
89
+ "medium_sql_query_builder": [
90
+ {"type": "forbidden_pattern",
91
+ "regex": r'f["\'].*SELECT.*{',
92
+ "message": "f-string SQL query — SQL injection vulnerability"},
93
+ {"type": "forbidden_pattern",
94
+ "regex": r'["\']\s*\+\s*(username|role|user_input|query)',
95
+ "message": "String concatenation in SQL — SQL injection vulnerability"},
96
+ {"type": "forbidden_pattern",
97
+ "regex": r'%\s*\(',
98
+ "message": "% formatting in SQL — potential injection"},
99
+ ],
100
+ "medium_file_path_handler": [
101
+ {"type": "forbidden_any",
102
+ "patterns": ['"..\" in', "'..' in", '".." in', "\"..\" in"],
103
+ "message": "String check for '..' is bypassable — use Path.resolve()"},
104
+ {"type": "required_any",
105
+ "patterns": ["resolve()", ".resolve", "realpath"],
106
+ "message": "Must use os.path.realpath or Path.resolve() to prevent traversal"},
107
+ ],
108
+ "hard_jwt_validator": [
109
+ {"type": "forbidden_any",
110
+ "patterns": ["verify_signature\": False", "verify_signature':False",
111
+ "verify_exp\": False", "algorithms=[\"none\"", "algorithms=['none'"],
112
+ "message": "JWT verification disabled — security bypass"},
113
+ {"type": "required_any",
114
+ "patterns": ["algorithms="],
115
+ "message": "algorithms= not specified — alg:none attack possible"},
116
+ ],
117
+ "hard_auth_middleware": [
118
+ {"type": "required_any",
119
+ "patterns": ["hmac.compare_digest"],
120
+ "message": "hmac.compare_digest not used — timing attack possible"},
121
+ {"type": "forbidden_pattern",
122
+ "regex": r'==\s*(session_token|request_token|secret|token)',
123
+ "message": "== used for secret comparison — timing attack"},
124
+ ],
125
+ "easy_input_sanitizer": [
126
+ {"type": "forbidden_any",
127
+ "patterns": ["eval(", "exec("],
128
+ "message": "eval/exec used — remote code execution risk"},
129
+ ],
130
+ "hard_file_upload_handler": [
131
+ {"type": "required_any",
132
+ "patterns": ["uuid"],
133
+ "message": "uuid not used — filename collisions possible"},
134
+ {"type": "required_any",
135
+ "patterns": [".suffix", "splitext", "os.path.splitext"],
136
+ "message": "Extension not checked via proper method"},
137
+ ],
138
+ }
139
+
140
+ # Soft checks (no hard cap) — applied to all tasks
141
+ GENERIC_CHECKS = [
142
+ {"type": "forbidden_any", "patterns": ["eval(", "exec("],
143
+ "message": "eval/exec usage", "severity": "HIGH"},
144
+ {"type": "forbidden_any", "patterns": ["shell=True"],
145
+ "message": "shell=True enables command injection", "severity": "HIGH"},
146
+ {"type": "forbidden_any", "patterns": ["pickle.loads", "pickle.load"],
147
+ "message": "Unsafe pickle deserialization", "severity": "HIGH"},
148
+ {"type": "forbidden_any", "patterns": ["yaml.load("],
149
+ "message": "Unsafe yaml.load", "severity": "MEDIUM"},
150
+ {"type": "forbidden_any", "patterns": ["hashlib.md5", "hashlib.sha1"],
151
+ "message": "Weak hash function", "severity": "HIGH"},
152
+ ]
153
+
154
+
155
+ def _run_custom_checks(code: str, task: dict) -> dict:
156
  issues = []
157
+ hard_fail = False
158
  checks_passed = 0
159
  total_checks = 0
160
 
161
+ # Generic checks
162
+ for chk in GENERIC_CHECKS:
 
 
 
 
 
 
 
 
 
163
  total_checks += 1
164
+ found = _check_code(code, chk)
165
  if found:
166
+ issues.append({"check": chk["message"], "severity": chk.get("severity","MEDIUM"),
167
+ "message": chk["message"]})
168
  else:
169
  checks_passed += 1
170
 
171
+ # Task-specific hard requirements
172
+ task_id = task.get("id", "")
173
+ for req in HARD_REQUIREMENTS.get(task_id, []):
174
  total_checks += 1
175
+ violated = _check_requirement_violated(code, req)
176
+ if violated:
177
+ hard_fail = True
178
+ issues.append({"check": req["message"], "severity": "CRITICAL",
179
+ "message": req["message"]})
180
+ else:
181
+ checks_passed += 1
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
182
 
183
  score = checks_passed / max(total_checks, 1)
184
+ return {"score": round(score, 4), "issues": issues, "hard_fail": hard_fail}
185
+
186
+
187
+ def _check_code(code: str, chk: dict) -> bool:
188
+ """Returns True if the violation is found."""
189
+ t = chk.get("type", "")
190
+ if t == "forbidden_any":
191
+ return any(p in code for p in chk.get("patterns", []))
192
+ if t == "required_any":
193
+ return not any(p in code for p in chk.get("patterns", []))
194
+ if t == "forbidden_pattern":
195
+ return bool(re.search(chk.get("regex", "NOMATCH"), code, re.IGNORECASE))
196
+ return False
197
+
198
+
199
+ def _check_requirement_violated(code: str, req: dict) -> bool:
200
+ """Returns True if requirement is violated (= bad)."""
201
+ t = req.get("type", "")
202
+ if t == "forbidden_any":
203
+ return any(p in code for p in req.get("patterns", []))
204
+ if t == "required_any":
205
+ return not any(p in code for p in req.get("patterns", []))
206
+ if t == "forbidden_pattern":
207
+ return bool(re.search(req.get("regex", "NOMATCH"), code, re.IGNORECASE | re.DOTALL))
208
+ return False
209
+
210
+
211
+ def _feedback(score: float, issues: list, hard_fail: bool) -> str:
212
+ if hard_fail:
213
+ critical = [i["message"] for i in issues if i.get("severity") == "CRITICAL"]
214
+ return f"CRITICAL security violation: {'; '.join(critical[:2])}"
215
+ if score >= 0.9: return "Clean — no significant security issues"
216
  high = sum(1 for i in issues if i.get("severity") == "HIGH")
217
+ if high > 0: return f"{high} HIGH severity issue(s) must fix"
218
+ return f"Some security issues found (score: {score:.2f})"
 
 
 
 
sandbox/payload_gen.py CHANGED
@@ -1,133 +1,153 @@
1
  """
2
- SecureCodeEnv - Attack Payload Generator V2
3
- Generates randomized attack payloads per episode using a seed.
4
- V2 adds compound evasion mutations: URL encoding, HTML entities, Unicode confusables.
5
- The seed changes every episode, so the agent CANNOT memorize specific strings.
6
  """
7
  import random
8
  import urllib.parse
9
 
10
-
11
- # ---------------------------------------------------------------------------
12
- # Base payload library — real-world CVE-proven attack strings
13
- # ---------------------------------------------------------------------------
14
- BASE_PAYLOADS: dict[str, list[str]] = {
15
- "injection": [
16
- "' OR '1'='1",
17
- "'; DROP TABLE users;--",
18
- "admin'--",
19
- "1 UNION SELECT * FROM passwords--",
20
- "' OR 1=1--",
21
- "\" OR \"1\"=\"1",
22
- "1; SELECT * FROM information_schema.tables",
23
- "' OR 'x'='x'; --",
24
- "admin\" OR \"1\"=\"1",
25
- "1 OR 1=1",
26
- ],
27
- "traversal": [
28
- "../../etc/passwd",
29
- "../../../root/.ssh/id_rsa",
30
- "/etc/shadow",
31
- "....//....//etc/passwd",
32
- "%2e%2e%2f%2e%2e%2fetc%2fpasswd",
33
- "..%2F..%2Fetc%2Fpasswd",
34
- "/etc/passwd%00",
35
- "..\\..\\windows\\system32\\drivers\\etc\\hosts",
36
- "%252e%252e%252fetc%252fpasswd",
37
- "....\\\\....\\\\windows\\\\system32",
38
- ],
39
- "auth_bypass": [
40
- '{"alg":"none"}.payload.',
41
- '{"exp":1000}.payload.',
42
- 'eyJhbGciOiJub25lIn0.payload.',
43
- 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJhZG1pbiIsImV4cCI6OTk5OTk5OTk5OX0.fake',
44
- 'null',
45
- '""',
46
- 'undefined',
47
- '{"alg":"RS256","n":"AAAA"}.payload.',
48
- ],
49
- "xss": [
50
- "<script>alert('xss')</script>",
51
- "<img src=x onerror=alert(1)>",
52
- "javascript:alert(1)",
53
- "<svg onload=alert(1)>",
54
- "'\"><script>alert(document.cookie)</script>",
55
- "<iframe src='javascript:alert(1)'>",
56
- "{{7*7}}", # Template injection
57
- "${7*7}", # Expression injection
58
- ],
59
- "path_write": [
60
- "/etc/cron.d/backdoor",
61
- "/tmp/../etc/passwd",
62
- "../../../../var/www/html/shell.php",
63
- "/proc/self/environ",
64
- "../../../.ssh/authorized_keys",
65
- ],
66
- "weak_random": [
67
- # Values generated by predictable seeded random
68
- "0.13436424411240122",
69
- "0.8474337369372327",
70
- "0.763774618976614",
71
- ],
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
72
  }
73
 
74
 
75
  def get_payloads(attack_type: str, seed: int, count: int = 8) -> list[str]:
76
  """
77
- Returns a seeded-random subset of payloads plus V2 evasion variants.
78
-
79
- Seed changes every episode agent cannot memorize specific strings.
80
- V2 mutations: URL encoding, HTML entities, Unicode confusables, whitespace injection.
 
 
81
  """
82
  rng = random.Random(seed)
83
- base = BASE_PAYLOADS.get(attack_type, [])
84
-
85
- if not base:
86
  return []
87
 
88
- # Shuffle and take half the count as base payloads
89
- half = max(1, count // 2)
90
- selected = rng.sample(base, min(half, len(base)))
 
91
 
92
- # Generate mutated variants
93
- variants = [_mutate_v2(p, rng) for p in selected[:half]]
 
 
 
 
 
94
 
95
- result = selected + variants
96
- rng.shuffle(result)
97
- return result[:count]
98
 
 
 
99
 
100
- def _mutate_v2(payload: str, rng: random.Random) -> str:
101
- """
102
- V2: Compound evasion mutations.
103
- Multiple transformations applied in sequence for novel variants.
104
- """
105
- mutations = [
106
- # Whitespace injection
107
- lambda p: p.replace(" ", " ") if " " in p else p + " ",
108
- # Case variation
109
- lambda p: p.upper() if rng.random() > 0.5 else p.swapcase(),
110
- # SQL comment injection
111
- lambda p: p.replace("--", "-- ") if "--" in p else p,
112
- # URL encoding (single pass)
113
- lambda p: urllib.parse.quote(p[:len(p)//2]) + p[len(p)//2:],
114
- # Null byte (classic WAF bypass)
115
- lambda p: p + "%00" if rng.random() > 0.5 else "%00" + p,
116
- # Double-slash traversal variant
117
- lambda p: p.replace("../", "..//") if "../" in p else p.replace("..\\", "..\\\\"),
118
- # Trailing comment
119
- lambda p: p + rng.choice(["", " --", " #", ";--"]),
120
- # Unicode confusable for apostrophe
121
  lambda p: p.replace("'", "\u02bc") if "'" in p else p,
122
  ]
123
-
124
- # Apply 1-3 random mutations
125
- n_mutations = rng.randint(1, 3)
126
- chosen = rng.sample(mutations, min(n_mutations, len(mutations)))
127
- result = payload
128
- for mut in chosen:
129
  try:
130
- result = mut(result)
131
  except Exception:
132
  pass
133
- return result
 
1
  """
2
+ SecureCodeEnv - Attack Payload Generator v3
3
+ FIXED: Every seed now GUARANTEES URL-encoded + absolute-path payloads
4
+ so that naive string-only checks (if '..' in path) always fail.
 
5
  """
6
  import random
7
  import urllib.parse
8
 
9
+ # Payloads split by bypass class so we always sample from each class
10
+ PAYLOAD_CLASSES = {
11
+ "injection": {
12
+ "basic": [
13
+ "' OR '1'='1",
14
+ "'; DROP TABLE users;--",
15
+ "admin'--",
16
+ "' OR 1=1--",
17
+ "\" OR \"1\"=\"1",
18
+ ],
19
+ "union": [
20
+ "1 UNION SELECT * FROM passwords--",
21
+ "1 UNION SELECT null,null,null--",
22
+ "' UNION SELECT username,password FROM users--",
23
+ ],
24
+ "stacked": [
25
+ "1; SELECT * FROM information_schema.tables",
26
+ "'; INSERT INTO users VALUES('hacked','hacked')--",
27
+ ],
28
+ "comment_variants": [
29
+ "admin'/*",
30
+ "' OR 'x'='x'; --",
31
+ "1 OR 1=1#",
32
+ ],
33
+ },
34
+ "traversal": {
35
+ # CRITICAL: class "dot_dot" uses literal ".." - naive check catches these
36
+ "dot_dot": [
37
+ "../../etc/passwd",
38
+ "../../../root/.ssh/id_rsa",
39
+ "....//....//etc/passwd",
40
+ "..\\..\\windows\\system32\\drivers\\etc\\hosts",
41
+ ],
42
+ # CRITICAL: class "encoded" bypasses naive ".." string check
43
+ "encoded": [
44
+ "%2e%2e%2f%2e%2e%2fetc%2fpasswd",
45
+ "..%2F..%2Fetc%2Fpasswd",
46
+ "%252e%252e%252fetc%252fpasswd",
47
+ "..%252f..%252fetc%252fpasswd",
48
+ ],
49
+ # CRITICAL: class "absolute" - no ".." at all, bypasses string check
50
+ "absolute": [
51
+ "/etc/passwd",
52
+ "/etc/shadow",
53
+ "/root/.ssh/id_rsa",
54
+ "/proc/self/environ",
55
+ ],
56
+ "null_byte": [
57
+ "/etc/passwd%00",
58
+ "../etc/passwd\x00.jpg",
59
+ "%00/etc/passwd",
60
+ ],
61
+ },
62
+ "auth_bypass": {
63
+ "none_alg": [
64
+ '{"alg":"none"}.payload.',
65
+ 'eyJhbGciOiJub25lIn0.payload.',
66
+ 'eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzdWIiOiJhdHRhY2tlciJ9.',
67
+ ],
68
+ "expired": [
69
+ '{"exp":1000}.payload.',
70
+ 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ1c2VyIiwiZXhwIjoxMDAwfQ.fake',
71
+ ],
72
+ "tampered": [
73
+ 'eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJhZG1pbiIsInJvbGUiOiJhZG1pbiJ9.TAMPERED',
74
+ 'null',
75
+ '',
76
+ 'eyJhbGciOiJSUzI1NiJ9.eyJzdWIiOiJhZG1pbiJ9.fake_rs256',
77
+ ],
78
+ },
79
+ "xss": {
80
+ "script": [
81
+ "<script>alert('xss')</script>",
82
+ "<script src='http://evil.com/x.js'></script>",
83
+ "</script><script>alert(1)</script>",
84
+ ],
85
+ "event": [
86
+ "<img src=x onerror=alert(1)>",
87
+ "<svg onload=alert(1)>",
88
+ "<body onload=alert(1)>",
89
+ ],
90
+ "protocol": [
91
+ "javascript:alert(1)",
92
+ "vbscript:alert(1)",
93
+ "data:text/html,<script>alert(1)</script>",
94
+ ],
95
+ "template": [
96
+ "{{7*7}}",
97
+ "${7*7}",
98
+ "#{7*7}",
99
+ ],
100
+ },
101
  }
102
 
103
 
104
  def get_payloads(attack_type: str, seed: int, count: int = 8) -> list[str]:
105
  """
106
+ Returns seeded-random payloads GUARANTEED to include all bypass classes.
107
+
108
+ For traversal: always includes encoded + absolute payloads so that
109
+ naive '..' string checks always fail on some payloads.
110
+
111
+ count: total payloads. Each class gets floor(count / n_classes) samples.
112
  """
113
  rng = random.Random(seed)
114
+ classes = PAYLOAD_CLASSES.get(attack_type, {})
115
+ if not classes:
 
116
  return []
117
 
118
+ result = []
119
+ class_names = list(classes.keys())
120
+ per_class = max(1, count // len(class_names))
121
+ remainder = count - per_class * len(class_names)
122
 
123
+ # Sample from EVERY class — guarantees coverage of all bypass techniques
124
+ for cls_name in class_names:
125
+ pool = classes[cls_name]
126
+ n = per_class + (1 if remainder > 0 else 0)
127
+ remainder -= 1
128
+ selected = rng.sample(pool, min(n, len(pool)))
129
+ result.extend(selected)
130
 
131
+ # Apply mutations to half the payloads
132
+ mutated = [_mutate(p, rng) for p in result[len(result)//2:]]
133
+ final = result[:len(result)//2] + mutated
134
 
135
+ rng.shuffle(final)
136
+ return final[:count]
137
 
138
+
139
+ def _mutate(payload: str, rng: random.Random) -> str:
140
+ """Apply 1-2 evasion mutations."""
141
+ ops = [
142
+ lambda p: p.upper() if rng.random() > 0.5 else p,
143
+ lambda p: p + rng.choice(["", " ", " --", " #"]),
144
+ lambda p: p.replace("../", "..//") if "../" in p else p,
145
+ lambda p: urllib.parse.quote(p[:len(p)//2]) + p[len(p)//2:] if p else p,
 
 
 
 
 
 
 
 
 
 
 
 
 
146
  lambda p: p.replace("'", "\u02bc") if "'" in p else p,
147
  ]
148
+ for op in rng.sample(ops, min(2, len(ops))):
 
 
 
 
 
149
  try:
150
+ payload = op(payload)
151
  except Exception:
152
  pass
153
+ return payload
tasks/medium/file_path_handler.py CHANGED
@@ -15,93 +15,144 @@ TASK = {
15
  `resolve_safe_path(base_dir: str, user_path: str) -> str`
16
 
17
  Resolves a user-supplied file path relative to a base directory.
18
- MUST prevent path traversal attacks.
19
 
20
  REQUIREMENTS:
21
  - base_dir is the trusted root directory (e.g. '/var/uploads')
22
- - user_path is untrusted input from the user
23
- - Returns the absolute, resolved path ONLY if it is inside base_dir
24
  - Raises ValueError if the resolved path escapes base_dir
25
  - Raises ValueError if user_path is empty/None
26
- - Must use os.path.realpath or pathlib.Path.resolve() — NOT string manipulation
27
- - Must work on both Unix and Windows paths
 
28
 
29
- Example safe: resolve_safe_path('/var/uploads', 'report.pdf') → '/var/uploads/report.pdf'
30
- Example blocked: resolve_safe_path('/var/uploads', '../../etc/passwd')raises ValueError
31
-
32
- NEVER use string contains/replace to detect traversal — attackers bypass it.""",
33
 
34
  "starter_code": '''import os
35
 
36
  def resolve_safe_path(base_dir: str, user_path: str) -> str:
37
- # TODO: INSECURE - fix this!
 
 
38
  if ".." in user_path:
39
- raise ValueError("Traversal detected")
40
  return os.path.join(base_dir, user_path)
41
  ''',
42
 
43
  "test_cases": [
44
- {"fn": "resolve_safe_path", "input": ["/var/uploads", "report.pdf"], "expected_contains": "/var/uploads/report.pdf", "description": "Safe path resolves correctly"},
45
- {"fn": "resolve_safe_path", "input": ["/var/uploads", "subdir/file.txt"], "expected_contains": "/var/uploads/subdir/file.txt", "description": "Safe subdirectory path"},
46
- {"fn": "resolve_safe_path", "input": ["/var/uploads", "../../etc/passwd"], "expected_exception": "ValueError", "description": "Traversal raises ValueError"},
47
- {"fn": "resolve_safe_path", "input": ["/var/uploads", "/etc/passwd"], "expected_exception": "ValueError", "description": "Absolute escape path raises ValueError"},
48
- {"fn": "resolve_safe_path", "input": ["/var/uploads", ""], "expected_exception": "ValueError", "description": "Empty path raises ValueError"},
49
- {"fn": "resolve_safe_path", "input": ["/var/uploads", None], "expected_exception": "ValueError", "description": "None path raises ValueError"},
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
50
  ],
51
 
52
  "attack_type": "traversal",
53
 
54
- "attack_config": {
55
- "fn_name": "resolve_safe_path",
56
- "fn_args_template": ["/var/uploads", "{payload}"],
57
- "check": lambda result, payload: (
58
- result is None or
59
- (isinstance(result, str) and "/etc" not in result and "/root" not in result and ".." not in result)
60
- ),
61
- "exception_counts_as_blocked": True,
62
- },
63
-
64
  "security_checks": [
65
- {"type": "no_string_traversal_check", "warn_on": ['"..".in', "'..' in", "replace('..']"]},
66
- {"type": "uses_realpath", "recommended": ["os.path.realpath", "Path.resolve"]},
 
 
 
 
67
  ],
68
 
69
  "naive_code": '''import os
70
  def resolve_safe_path(base_dir: str, user_path: str) -> str:
71
- if ".." in (user_path or ""):
72
- raise ValueError("blocked")
73
- return os.path.join(base_dir, user_path or "")
74
  ''',
75
 
76
  "optimal_code": '''import os
77
  from pathlib import Path
78
 
79
  def resolve_safe_path(base_dir: str, user_path: str) -> str:
80
- """Resolves a user-supplied path within base_dir, preventing traversal.
81
 
82
  Args:
83
  base_dir: Trusted root directory
84
- user_path: Untrusted user-supplied path
85
 
86
  Returns:
87
- Absolute resolved path guaranteed to be inside base_dir
88
 
89
  Raises:
90
- ValueError: If path escapes base_dir or is invalid
91
  """
92
  if not user_path:
93
  raise ValueError("user_path must not be empty or None")
94
 
 
 
 
 
 
 
 
 
 
 
 
95
  base = Path(base_dir).resolve()
96
- # Join and resolve — this handles ../../ and symlinks
97
  resolved = (base / user_path).resolve()
98
 
99
- # The critical check: resolved path must start with base path
100
  try:
101
- resolved.relative_to(base)
 
 
102
  except ValueError:
103
  raise ValueError(
104
- f"Path traversal detected: {user_path!r} resolves outside {base_dir!r}"
105
  )
106
 
107
  return str(resolved)
 
15
  `resolve_safe_path(base_dir: str, user_path: str) -> str`
16
 
17
  Resolves a user-supplied file path relative to a base directory.
18
+ MUST prevent ALL forms of path traversal.
19
 
20
  REQUIREMENTS:
21
  - base_dir is the trusted root directory (e.g. '/var/uploads')
22
+ - user_path is UNTRUSTED input from the user
23
+ - Returns the absolute resolved path ONLY if it stays strictly inside base_dir
24
  - Raises ValueError if the resolved path escapes base_dir
25
  - Raises ValueError if user_path is empty/None
26
+ - MUST use os.path.realpath() or pathlib.Path.resolve() — NOT string manipulation
27
+ - Must also block: absolute paths (/etc/passwd), URL-encoded paths (%2e%2e),
28
+ null bytes, and paths that resolve to base_dir itself (must be INSIDE)
29
 
30
+ WHY string checks fail:
31
+ '../' → raises (good), but '%2e%2e%2f' → passes (bad)
32
+ You MUST resolve first, then check if inside base_dir.
33
+ """,
34
 
35
  "starter_code": '''import os
36
 
37
  def resolve_safe_path(base_dir: str, user_path: str) -> str:
38
+ # BUG: string check only — bypassed by %2e%2e, /etc/passwd, etc.
39
+ if not user_path:
40
+ raise ValueError("empty")
41
  if ".." in user_path:
42
+ raise ValueError("traversal")
43
  return os.path.join(base_dir, user_path)
44
  ''',
45
 
46
  "test_cases": [
47
+ {
48
+ "fn": "resolve_safe_path",
49
+ "input": ["/var/uploads", "report.pdf"],
50
+ "expected_contains": "/var/uploads/report.pdf",
51
+ "description": "Safe path resolves correctly"
52
+ },
53
+ {
54
+ "fn": "resolve_safe_path",
55
+ "input": ["/var/uploads", "sub/file.txt"],
56
+ "expected_contains": "/var/uploads/sub/file.txt",
57
+ "description": "Safe subdirectory"
58
+ },
59
+ {
60
+ "fn": "resolve_safe_path",
61
+ "input": ["/var/uploads", "../../etc/passwd"],
62
+ "expected_exception": "ValueError",
63
+ "description": "Classic traversal blocked"
64
+ },
65
+ {
66
+ "fn": "resolve_safe_path",
67
+ "input": ["/var/uploads", "/etc/passwd"],
68
+ "expected_exception": "ValueError",
69
+ "description": "Absolute path escape blocked"
70
+ },
71
+ {
72
+ "fn": "resolve_safe_path",
73
+ "input": ["/var/uploads", ""],
74
+ "expected_exception": "ValueError",
75
+ "description": "Empty path raises ValueError"
76
+ },
77
+ {
78
+ "fn": "resolve_safe_path",
79
+ "input": ["/var/uploads", None],
80
+ "expected_exception": "ValueError",
81
+ "description": "None path raises ValueError"
82
+ },
83
+ {
84
+ "fn": "resolve_safe_path",
85
+ "input": ["/var/uploads", "....//....//etc/passwd"],
86
+ "expected_exception": "ValueError",
87
+ "description": "Double-dot variant blocked"
88
+ },
89
+ {
90
+ "fn": "resolve_safe_path",
91
+ "input": ["/var/uploads", "/var/uploads/../../../etc/passwd"],
92
+ "expected_exception": "ValueError",
93
+ "description": "Traversal via absolute path blocked"
94
+ },
95
  ],
96
 
97
  "attack_type": "traversal",
98
 
 
 
 
 
 
 
 
 
 
 
99
  "security_checks": [
100
+ {"type": "required_any",
101
+ "patterns": ["resolve()", ".resolve", "realpath"],
102
+ "message": "Must use Path.resolve() or os.path.realpath()"},
103
+ {"type": "forbidden_any",
104
+ "patterns": ['"..\" in', "'..' in"],
105
+ "message": "String '..' check is insufficient — use Path.resolve()"},
106
  ],
107
 
108
  "naive_code": '''import os
109
  def resolve_safe_path(base_dir: str, user_path: str) -> str:
110
+ if not user_path: raise ValueError("empty")
111
+ if ".." in user_path: raise ValueError("traversal")
112
+ return os.path.join(base_dir, user_path)
113
  ''',
114
 
115
  "optimal_code": '''import os
116
  from pathlib import Path
117
 
118
  def resolve_safe_path(base_dir: str, user_path: str) -> str:
119
+ """Resolves user path within base_dir, preventing all traversal forms.
120
 
121
  Args:
122
  base_dir: Trusted root directory
123
+ user_path: Untrusted user-supplied path (may contain .., encoded chars)
124
 
125
  Returns:
126
+ Absolute resolved path guaranteed to be strictly inside base_dir
127
 
128
  Raises:
129
+ ValueError: If path escapes base_dir, is empty, or is invalid
130
  """
131
  if not user_path:
132
  raise ValueError("user_path must not be empty or None")
133
 
134
+ # URL-decode to catch %2e%2e style attacks before resolution
135
+ try:
136
+ from urllib.parse import unquote
137
+ user_path = unquote(str(user_path))
138
+ except Exception:
139
+ pass
140
+
141
+ # Null byte attack prevention
142
+ if "\\x00" in user_path or "%00" in user_path:
143
+ raise ValueError("Null byte in path")
144
+
145
  base = Path(base_dir).resolve()
 
146
  resolved = (base / user_path).resolve()
147
 
148
+ # Critical: must be strictly INSIDE base, not equal to base
149
  try:
150
+ relative = resolved.relative_to(base)
151
+ if str(relative) == ".":
152
+ raise ValueError("Path resolves to base directory itself")
153
  except ValueError:
154
  raise ValueError(
155
+ f"Path traversal detected: resolves outside {base_dir!r}"
156
  )
157
 
158
  return str(resolved)
tasks/medium/sql_query_builder.py CHANGED
@@ -18,50 +18,84 @@ Builds a parameterized SQL query to fetch a user by username and role.
18
 
19
  REQUIREMENTS:
20
  - Returns a tuple: (query_string, params_tuple)
21
- - The query_string must use placeholders (%s or ?) — NEVER f-strings or .format()
22
- - The params_tuple must contain the sanitized values
23
- - Must handle None/empty username (return empty result query)
24
- - Must validate role is one of: 'admin', 'user', 'moderator' (raise ValueError for others)
25
- - The returned tuple must be safe to pass directly to cursor.execute()
26
-
27
- Example:
28
- query, params = build_user_query('alice', 'admin')
29
- cursor.execute(query, params) # Must be safe from SQL injection
30
-
31
- NEVER do: f"SELECT * FROM users WHERE username = '{username}'"
32
- NEVER do: "SELECT * FROM users WHERE username = '" + username + "'"
33
  """,
34
 
35
  "starter_code": '''def build_user_query(username: str, role: str):
36
- # TODO: INSECURE - fix this!
37
  query = f"SELECT * FROM users WHERE username = \'{username}\' AND role = \'{role}\'"
38
  return query
39
  ''',
40
 
41
  "test_cases": [
42
- {"fn": "build_user_query", "input": ["alice", "admin"], "expected_type": "tuple", "expected_len": 2, "description": "Returns 2-tuple"},
43
- {"fn": "build_user_query", "input": ["bob", "user"], "expected_type": "tuple", "description": "Returns tuple for valid user"},
44
- {"fn": "build_user_query", "input": ["", "admin"], "expected_type": "tuple", "description": "Empty username returns safe result"},
45
- {"fn": "build_user_query", "input": ["alice", "invalid_role"], "expected_exception": "ValueError", "description": "Invalid role raises ValueError"},
46
- {"fn": "build_user_query", "input": ["alice' OR '1'='1", "admin"], "output_not_contains_input": True, "description": "SQL injection in username is parameterized away"},
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
47
  ],
48
 
49
  "attack_type": "injection",
50
 
51
- "attack_config": {
52
- "fn_name": "build_user_query",
53
- "fn_args_template": ["{payload}", "admin"],
54
- "check": lambda result, payload: (
55
- isinstance(result, tuple) and
56
- len(result) == 2 and
57
- # The query string must use placeholders — injection payload must NOT appear in query
58
- (payload not in str(result[0])) and
59
- ("%s" in result[0] or "?" in result[0])
60
- ),
61
- },
62
-
63
  "security_checks": [
64
- {"type": "no_string_format_sql", "forbidden": ["f\"SELECT", "f'SELECT", "format(", '%" %']},
 
 
 
 
 
65
  ],
66
 
67
  "naive_code": '''def build_user_query(username: str, role: str):
@@ -84,7 +118,7 @@ def build_user_query(username: str, role: str) -> tuple:
84
  Raises:
85
  ValueError: If role is not in the allowed set
86
  """
87
- if role not in ALLOWED_ROLES:
88
  raise ValueError(f"Invalid role: {role!r}. Must be one of {ALLOWED_ROLES}")
89
 
90
  if not username:
 
18
 
19
  REQUIREMENTS:
20
  - Returns a tuple: (query_string, params_tuple)
21
+ - query_string MUST use placeholders (%s or ?) — NEVER f-strings or .format() or %
22
+ - params_tuple must contain the sanitized values
23
+ - Must validate role is EXACTLY one of: 'admin', 'user', 'moderator' — raise ValueError for anything else
24
+ - Must handle None/empty username (return empty result query with empty params)
25
+ - The function must include type hints and a docstring
26
+
27
+ SECURITY: Never construct SQL by concatenating or formatting user input.
28
+ NEVER: f"SELECT ... {username}", "SELECT ..." + username, "..." % username
 
 
 
 
29
  """,
30
 
31
  "starter_code": '''def build_user_query(username: str, role: str):
32
+ # BUG: SQL injection vulnerability!
33
  query = f"SELECT * FROM users WHERE username = \'{username}\' AND role = \'{role}\'"
34
  return query
35
  ''',
36
 
37
  "test_cases": [
38
+ {
39
+ "fn": "build_user_query",
40
+ "input": ["alice", "admin"],
41
+ "expected_type": "tuple",
42
+ "expected_len": 2,
43
+ "description": "Returns 2-tuple (query, params)"
44
+ },
45
+ {
46
+ "fn": "build_user_query",
47
+ "input": ["bob", "user"],
48
+ "expected_type": "tuple",
49
+ "description": "Valid user role"
50
+ },
51
+ {
52
+ "fn": "build_user_query",
53
+ "input": ["alice", "moderator"],
54
+ "expected_type": "tuple",
55
+ "description": "Valid moderator role"
56
+ },
57
+ {
58
+ "fn": "build_user_query",
59
+ "input": ["alice", "superadmin"],
60
+ "expected_exception": "ValueError",
61
+ "description": "Invalid role 'superadmin' raises ValueError"
62
+ },
63
+ {
64
+ "fn": "build_user_query",
65
+ "input": ["alice", "ADMIN"],
66
+ "expected_exception": "ValueError",
67
+ "description": "Case-sensitive role check — 'ADMIN' is invalid"
68
+ },
69
+ {
70
+ "fn": "build_user_query",
71
+ "input": ["alice", ""],
72
+ "expected_exception": "ValueError",
73
+ "description": "Empty role raises ValueError"
74
+ },
75
+ {
76
+ "fn": "build_user_query",
77
+ "input": ["", "admin"],
78
+ "expected_type": "tuple",
79
+ "description": "Empty username returns safe query (not error)"
80
+ },
81
+ {
82
+ "fn": "build_user_query",
83
+ "input": ["'; DROP TABLE users;--", "admin"],
84
+ "expected_type": "tuple",
85
+ "sql_injection_check": True,
86
+ "description": "SQL injection payload in username must be parameterized"
87
+ },
88
  ],
89
 
90
  "attack_type": "injection",
91
 
 
 
 
 
 
 
 
 
 
 
 
 
92
  "security_checks": [
93
+ {"type": "no_string_format_sql",
94
+ "forbidden": ["f\"SELECT", "f'SELECT", ".format(", "% (user", "% (role"],
95
+ "message": "f-string/format SQL injection"},
96
+ {"type": "role_validation",
97
+ "required": ["ALLOWED_ROLES", "allowed_roles", "not in", "ValueError"],
98
+ "message": "Role validation not implemented"},
99
  ],
100
 
101
  "naive_code": '''def build_user_query(username: str, role: str):
 
118
  Raises:
119
  ValueError: If role is not in the allowed set
120
  """
121
+ if not role or role not in ALLOWED_ROLES:
122
  raise ValueError(f"Invalid role: {role!r}. Must be one of {ALLOWED_ROLES}")
123
 
124
  if not username: