From dc882c723724007500b8acc0ea27a996d759b5d6 Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <info@fabiomanganiello.com>
Date: Wed, 12 Jan 2022 00:30:25 +0100
Subject: [PATCH] Do os.path.abspath on custom content folders in the app
 constructor before initialization

If relative paths are used for the content folder then send_from_directory may mistakenly interpret the paths as relative to the main application, instead of the content folder
---
 madblog/app.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/madblog/app.py b/madblog/app.py
index 1bd6526..01fe535 100644
--- a/madblog/app.py
+++ b/madblog/app.py
@@ -1,4 +1,5 @@
 import datetime
+import os
 import re
 from glob import glob
 from typing import Optional
@@ -23,19 +24,19 @@ class BlogApp(Flask):
 
         img_dir = os.path.join(config.content_dir, 'img')
         if os.path.isdir(img_dir):
-            self.img_dir = img_dir
+            self.img_dir = os.path.abspath(img_dir)
 
         css_dir = os.path.join(config.content_dir, 'css')
         if os.path.isdir(css_dir):
-            self.css_dir = css_dir
+            self.css_dir = os.path.abspath(css_dir)
 
         fonts_dir = os.path.join(config.content_dir, 'fonts')
         if os.path.isdir(fonts_dir):
-            self.fonts_dir = fonts_dir
+            self.fonts_dir = os.path.abspath(fonts_dir)
 
         templates_dir = os.path.join(config.content_dir, 'templates')
         if os.path.isdir(templates_dir):
-            self.template_folder = templates_dir
+            self.template_folder = os.path.abspath(templates_dir)
 
     def get_page_metadata(self, page: str) -> dict:
         if not page.endswith('.md'):