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Harden asset-version fallback hashing separators

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This commit is contained in:
copilot-swe-agent[bot]
2026-05-27 16:03:31 +00:00
committed by GitHub
parent 3745eedd74
commit 66cacaaf9d
1 changed files with 3 additions and 1 deletions
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app/sovran_systemsos_web/server.py
+3 -1
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@@ -653,7 +653,7 @@ templates = Jinja2Templates(directory=os.path.join(_BASE_DIR, "templates"))
# ── Static asset cache-busting ──────────────────────────────────── # ── Static asset cache-busting ────────────────────────────────────
def _compute_asset_version() -> str: def _compute_asset_version() -> str:
"""Return a stable asset version string for cache-busting template assets.""" """Return a 16-char asset version from Nix store hash or static/template metadata."""
nix_match = re.search(r"/nix/store/([a-z0-9]{32})-", os.path.realpath(_BASE_DIR)) nix_match = re.search(r"/nix/store/([a-z0-9]{32})-", os.path.realpath(_BASE_DIR))
if nix_match: if nix_match:
return nix_match.group(1)[:16] return nix_match.group(1)[:16]
@@ -674,7 +674,9 @@ def _compute_asset_version() -> str:
except OSError: except OSError:
continue continue
hasher.update(path.encode()) hasher.update(path.encode())
hasher.update(b"\0")
hasher.update(f"{stat.st_mtime_ns}:{stat.st_size}".encode()) hasher.update(f"{stat.st_mtime_ns}:{stat.st_size}".encode())
hasher.update(b"\0")
return hasher.hexdigest()[:16] return hasher.hexdigest()[:16]