ci: #87 T1 bandit et npm audit bloquants, 5 suites frontend au CI

backend/auth/router.py

@@ -253,7 +253,8 @@ def _issue_tokens(user: dict, username: str, remember_me: bool, response: Respon
     )
     return {
         "access_token": access_token,
-        "token_type": "bearer",  # nosec B105 — OAuth2 token_type, pas un mot de passe
+        # OAuth2 token_type, pas un mot de passe (B105) :
+        "token_type": "bearer",  # nosec B105
         "expires_in": ACCESS_TOKEN_EXPIRE_SECONDS,
         "user": {
             "username": user["username"],
@@ -332,7 +333,8 @@ async def refresh_token_endpoint(request: Request, response: Response):
 
     return {
         "access_token": new_access_token,
-        "token_type": "bearer",  # nosec B105 — OAuth2 token_type, pas un mot de passe
+        # OAuth2 token_type, pas un mot de passe (B105) :
+        "token_type": "bearer",  # nosec B105
         "expires_in": ACCESS_TOKEN_EXPIRE_SECONDS,
     }
 

backend/guide_export.py

@@ -35,7 +35,8 @@ def diagram_png_for(code: str) -> Path | None:
     Mermaid, ou None. Le hash doit rester synchrone avec le script de build :
     sha1(unescape(code).strip())[:16]."""
     normalized = html.unescape(code).strip()
-    sha = hashlib.sha1(normalized.encode("utf-8")).hexdigest()[:16]
+    # Identifiant de cache déterministe (pas un usage sécurité).
+    sha = hashlib.sha1(normalized.encode("utf-8")).hexdigest()[:16]  # nosec B324
     png = DIAGRAMS_DIR / (sha + ".png")
     return png if png.exists() else None
 

backend/media_thumbs.py

@@ -32,7 +32,8 @@ def thumb_cache_path(file_path: Path, size: int) -> Path:
         stamp = f"{st.st_mtime_ns}:{st.st_size}"
     except OSError:
         stamp = "0:0"
-    key = hashlib.sha1(f"{file_path}:{stamp}:{size}".encode()).hexdigest()
+    # Clé de cache miniature (pas un usage sécurité).
+    key = hashlib.sha1(f"{file_path}:{stamp}:{size}".encode()).hexdigest()  # nosec B324
     return thumbs_cache_dir() / f"{key}.webp"
 
 

backend/tools/documents.py

@@ -19,7 +19,9 @@ import io
 import logging
 import re
 from typing import Any
-from xml.sax import saxutils
+
+# saxutils.escape uniquement (échappement de chaînes, aucun parsing XML).
+from xml.sax import saxutils  # nosec B406
 
 from backend.services.errors import ServiceError
 from backend.services.mutations import save_raw_file

backend/version.py

@@ -22,7 +22,7 @@ Exemples :
 from __future__ import annotations
 
 import os
-import subprocess
+import subprocess  # nosec B404
 from pathlib import Path
 
 _ROOT = Path(__file__).resolve().parent.parent          # racine du dépôt ObsiGate
@@ -34,7 +34,8 @@ _ENV_VAR = "OBSIGATE_VERSION"
 def _run_git(args: list[str]) -> str:
     """Run a git command in the repo root; return stdout (stripped) or ''."""
     try:
-        result = subprocess.run(
+        # argv fixe (git + args internes), sans shell : pas d'injection.
+        result = subprocess.run(  # nosec B404 B603 B607
             ["git", *args],
             cwd=str(_ROOT),
             capture_output=True,

backend/watcher.py

@@ -280,7 +280,8 @@ class VaultWatcher:
         for observer in self.observers.values():
             try:
                 observer.join(timeout=5)
-            except Exception:  # nosec B110 — best-effort shutdown, ignore failures
+            # best-effort shutdown, ignore failures (B110) :
+            except Exception:  # nosec B110
                 pass
         self.observers.clear()
         logger.info("VaultWatcher stopped")