maj cumulative

backend/routes/search.py

@@ -0,0 +1,129 @@
+"""
+Endpoint de recherche globale rapide — utilisé par la barre Cmd+K
+"""
+from fastapi import APIRouter, Query
+from ..database import db
+
+router = APIRouter(prefix="/api/search", tags=["search"])
+
+IP_RE = r"^(\d{1,3}\.){0,3}\d{1,3}$"
+
+
+@router.get("/quick")
+async def quick_search(q: str = Query(..., min_length=1, max_length=100)):
+    """
+    Recherche unifiée sur IPs, JA4, ASN, hosts.
+    Retourne jusqu'à 5 résultats par catégorie.
+    """
+    q = q.strip()
+    pattern = f"%{q}%"
+    results = []
+
+    # ── IPs ──────────────────────────────────────────────────────────────────
+    ip_rows = db.query(
+        """
+        SELECT
+            replaceRegexpAll(toString(src_ip), '^::ffff:', '') AS clean_ip,
+            count()          AS hits,
+            max(detected_at) AS last_seen,
+            any(threat_level) AS threat_level
+        FROM ml_detected_anomalies
+        WHERE ilike(toString(src_ip), %(p)s)
+          AND detected_at >= now() - INTERVAL 24 HOUR
+        GROUP BY clean_ip
+        ORDER BY hits DESC
+        LIMIT 5
+        """,
+        {"p": pattern},
+    )
+    for r in ip_rows.result_rows:
+        ip = str(r[0])
+        results.append({
+            "type": "ip",
+            "value": ip,
+            "label": ip,
+            "meta": f"{r[1]} détections · {r[3]}",
+            "url": f"/detections/ip/{ip}",
+            "investigation_url": f"/investigation/{ip}",
+        })
+
+    # ── JA4 fingerprints ─────────────────────────────────────────────────────
+    ja4_rows = db.query(
+        """
+        SELECT
+            ja4,
+            count()          AS hits,
+            uniq(src_ip)     AS unique_ips
+        FROM ml_detected_anomalies
+        WHERE ilike(ja4, %(p)s)
+          AND ja4 != ''
+          AND detected_at >= now() - INTERVAL 24 HOUR
+        GROUP BY ja4
+        ORDER BY hits DESC
+        LIMIT 5
+        """,
+        {"p": pattern},
+    )
+    for r in ja4_rows.result_rows:
+        results.append({
+            "type": "ja4",
+            "value": str(r[0]),
+            "label": str(r[0]),
+            "meta": f"{r[1]} détections · {r[2]} IPs",
+            "url": f"/investigation/ja4/{r[0]}",
+        })
+
+    # ── Hosts ─────────────────────────────────────────────────────────────────
+    host_rows = db.query(
+        """
+        SELECT
+            host,
+            count()      AS hits,
+            uniq(src_ip) AS unique_ips
+        FROM ml_detected_anomalies
+        WHERE ilike(host, %(p)s)
+          AND host != ''
+          AND detected_at >= now() - INTERVAL 24 HOUR
+        GROUP BY host
+        ORDER BY hits DESC
+        LIMIT 5
+        """,
+        {"p": pattern},
+    )
+    for r in host_rows.result_rows:
+        results.append({
+            "type": "host",
+            "value": str(r[0]),
+            "label": str(r[0]),
+            "meta": f"{r[1]} hits · {r[2]} IPs",
+            "url": f"/detections?search={r[0]}",
+        })
+
+    # ── ASN ───────────────────────────────────────────────────────────────────
+    asn_rows = db.query(
+        """
+        SELECT
+            asn_org,
+            asn_number,
+            count()                       AS hits,
+            uniq(src_ip)                  AS unique_ips
+        FROM ml_detected_anomalies
+        WHERE (ilike(asn_org, %(p)s) OR ilike(asn_number, %(p)s))
+          AND asn_org != '' AND asn_number != ''
+          AND detected_at >= now() - INTERVAL 24 HOUR
+        GROUP BY asn_org, asn_number
+        ORDER BY hits DESC
+        LIMIT 5
+        """,
+        {"p": pattern},
+    )
+    for r in asn_rows.result_rows:
+        results.append({
+            "type": "asn",
+            "value": str(r[1]),
+            "label": f"AS{r[1]} — {r[0]}",
+            "meta": f"{r[2]} hits · {r[3]} IPs",
+            "url": f"/detections?asn={r[1]}",
+        })
+
+    return {"query": q, "results": results}