Prepare app for working behind a proxy (nginx).

Adapt user form

eveai_app/errors.py

@@ -1,22 +1,35 @@
-from flask import render_template, request, jsonify
+from flask import render_template, request, jsonify, redirect
+from flask_login import current_user
+from common.utils.nginx_utils import prefixed_url_for
 
 
 def not_found_error(error):
-    if request.accept_mimetypes.accept_json and not request.accept_mimetypes.accept_html:
-        response = jsonify({'error': 'Not found'})
-        response.status_code = 404
-        return response
+    if not current_user.is_authenticated:
+        return redirect(prefixed_url_for('security.login'))
     return render_template('error/404.html'), 404
 
 
 def internal_server_error(error):
-    if request.accept_mimetypes.accept_json and not request.accept_mimetypes.accept_html:
-        response = jsonify({'error': 'Internal server error'})
-        response.status_code = 500
-        return response
+    if not current_user.is_authenticated:
+        return redirect(prefixed_url_for('security.login'))
     return render_template('error/500.html'), 500
 
 
+def not_authorised_error(error):
+    if not current_user.is_authenticated:
+        return redirect(prefixed_url_for('security.login'))
+    return render_template('error/401.html')
+
+
+def access_forbidden(error):
+    if not current_user.is_authenticated:
+        return redirect(prefixed_url_for('security.login'))
+    return render_template('error/403.html')
+
+
 def register_error_handlers(app):
     app.register_error_handler(404, not_found_error)
     app.register_error_handler(500, internal_server_error)
+    app.register_error_handler(401, not_authorised_error)
+    app.register_error_handler(403, not_authorised_error)
+