getting file content

functions/config.py

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+MAX_FILE_CONTENT_CHARS = 10000

functions/get_file_content.py

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+import os
+from functions.config import MAX_FILE_CONTENT_CHARS
+
+
+def get_file_content(working_directory, file_path):
+    try:
+        full_path = os.path.join(working_directory, file_path)
+
+        abs_working_directory = os.path.abspath(working_directory)
+        abs_target_path = os.path.abspath(full_path)
+
+        if not abs_target_path.startswith(abs_working_directory):
+            return (
+                f'Error: Cannot read "{file_path}" as it is outside the permitted working directory'
+            )
+
+        if not os.path.isfile(abs_target_path):
+            return f'Error: File not found or is not a regular file: "{file_path}"'
+
+        with open(abs_target_path, "r", encoding="utf-8", errors="replace") as f:
+            content = f.read()
+
+        if len(content) > MAX_FILE_CONTENT_CHARS:
+            truncated = content[:MAX_FILE_CONTENT_CHARS]
+            return truncated + f'\n[...File "{file_path}" truncated at {MAX_FILE_CONTENT_CHARS} characters]'
+        else:
+            return content
+
+    except Exception as e:
+        return f"Error: {e}"