Weed out last few hardcoded urls

nyaa/__init__.py

@@ -49,7 +49,7 @@ def create_app(config):
             app.logger.error(exception)
             flask.flash(flask.Markup(
                 '<strong>An error occurred!</strong> Debug information has been logged.'), 'danger')
-            return flask.redirect('/')
+            return flask.redirect(flask.url_for('main.home'))
 
     # Get git commit hash
     app.config['COMMIT_HASH'] = None

nyaa/views/account.py

@@ -93,7 +93,8 @@ def register():
 @bp.route('/profile', methods=['GET', 'POST'])
 def profile():
     if not flask.g.user:
-        return flask.redirect('/')  # so we dont get stuck in infinite loop when signing out
+        # so we dont get stuck in infinite loop when signing out
+        return flask.redirect(flask.url_for('main.home'))
 
     form = forms.ProfileForm(flask.request.form)
 
@@ -130,11 +131,13 @@ def profile():
 
 
 def redirect_url():
+    home_url = flask.url_for('main.home')
+
     url = flask.request.args.get('next') or \
         flask.request.referrer or \
-        '/'
+        home_url
     if url == flask.request.url:
-        return '/'
+        return home_url
     return url