addressing some semgrep issues

scripts/load_core_pack.py

@@ -17,17 +17,20 @@ Environment Variables:
 import argparse
 import json
 import os
+import re
 import sys
 from pathlib import Path
 from typing import Any, Dict, List, Optional
 
 import psycopg2
 import psycopg2.extras
+from psycopg2 import sql
 import yaml
 
 # Default configuration
 DEFAULT_DATABASE_URL = "postgresql://postgres:postgres@localhost:5432/attune"
 DEFAULT_PACKS_DIR = "./packs"
+SCHEMA_RE = re.compile(r"^[A-Za-z_][A-Za-z0-9_]*$")
 
 
 def generate_label(name: str) -> str:
@@ -64,8 +67,13 @@ class PackLoader:
         self.conn.autocommit = False
 
         # Set search_path to use the correct schema
+        if not SCHEMA_RE.match(self.schema):
+            raise ValueError(f"Invalid schema name: {self.schema}")
         cursor = self.conn.cursor()
-        cursor.execute(f"SET search_path TO {self.schema}, public")
+        # nosemgrep: python.sqlalchemy.security.sqlalchemy-execute-raw-query.sqlalchemy-execute-raw-query -- This uses psycopg2.sql.Identifier for safe identifier composition after schema-name validation.
+        cursor.execute(
+            sql.SQL("SET search_path TO {}, public").format(sql.Identifier(self.schema))
+        )
         cursor.close()
         self.conn.commit()
 
@@ -81,6 +89,16 @@ class PackLoader:
         with open(file_path, "r") as f:
             return yaml.safe_load(f)
 
+    def resolve_pack_relative_path(self, base_dir: Path, relative_path: str) -> Path:
+        """Resolve a pack-owned relative path and reject traversal outside the pack."""
+        candidate = (base_dir / relative_path).resolve()
+        pack_root = self.pack_dir.resolve()
+        if not candidate.is_relative_to(pack_root):
+            raise ValueError(
+                f"Resolved path '{candidate}' escapes pack root '{pack_root}'"
+            )
+        return candidate
+
     def upsert_pack(self) -> int:
         """Create or update the pack"""
         print("\n→ Loading pack metadata...")
@@ -412,7 +430,7 @@ class PackLoader:
             The database ID of the workflow_definition row, or None on failure.
         """
         actions_dir = self.pack_dir / "actions"
-        full_path = actions_dir / workflow_file_path
+        full_path = self.resolve_pack_relative_path(actions_dir, workflow_file_path)
         if not full_path.exists():
             print(f"  ⚠ Workflow file '{workflow_file_path}' not found at {full_path}")
             return None