[Add] csrf 포팅

lib/report.py

@@ -1,23 +1,28 @@
-# save as data/report.csv
 import csv
+import os
 from typing import List, Dict, Any
 
-# target, status, title, description, uri
-
-# file path는 'data/report.csv'로 고정
-def save_report(report_data: List[Dict[str, Any]], file_path: str = 'data/report.csv') -> None:
+def save_report(
+    report_data: List[Dict[str, Any]],
+    file_path: str = 'data/report.csv'
+) -> None:
     """
-    Save the report data to a CSV file.
-
-    :param report_data: List of dictionaries containing report data.
-    :param file_path: Path to the CSV file where the report will be saved.
+    report_data 안의 각 레포트를 한 줄씩 CSV에 추가로 저장합니다.
+    파일이 없으면 헤더를 먼저 쓰고, 있으면 레코드만 이어서 씁니다.
     """
     fieldnames = ['target', 'status', 'title', 'description', 'uri']
-    
-    with open(file_path, mode='w', newline='', encoding='utf-8') as csvfile:
+    file_exists = os.path.exists(file_path)
+
+    with open(file_path, mode='a', newline='', encoding='utf-8') as csvfile:
         writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
-        writer.writeheader()
+        # 파일이 없던 새로 만들 때만 헤더 작성
+        if not file_exists:
+            writer.writeheader()
+
         for row in report_data:
-            # Replace actual newlines with literal \n strings
-            escaped_row = {k: str(v).replace('\n', '\\n') if v is not None else v for k, v in row.items()}
-            writer.writerow(escaped_row)
+            # None 방지 & 줄바꿈 이스케이프
+            escaped = {
+                k: str(v).replace('\n', '\\n') if v is not None else ''
+                for k, v in row.items()
+            }
+            writer.writerow(escaped)