--- a/sat/plugins/plugin_comp_ap_gateway/__init__.py	Thu Nov 10 15:16:43 2022 +0100
+++ b/sat/plugins/plugin_comp_ap_gateway/__init__.py	Fri Nov 11 13:51:20 2022 +0100
@@ -20,7 +20,6 @@
 import calendar
 import hashlib
 import json
-from os import access
 from pathlib import Path
 from pprint import pformat
 import re
@@ -33,7 +32,6 @@
     Optional,
     Set,
     Tuple,
-    Type,
     Union,
     overload,
 )
@@ -266,6 +264,27 @@
             self.host.memory.getConfig(CONF_SECTION, "auto_mentions", C.BOOL_TRUE)
         )
 
+        html_redirect: Dict[str, Union[str, dict]] = self.host.memory.getConfig(
+            CONF_SECTION, 'html_redirect_dict', {}
+        )
+        self.html_redirect: Dict[str, List[dict]] = {}
+        for url_type, target in html_redirect.items():
+            if isinstance(target, str):
+                target = {"url": target}
+            elif not isinstance(target, dict):
+                raise exceptions.ConfigError(
+                    f"html_redirect target must be a URL or a dict, not {target!r}"
+                )
+            filters = target.setdefault("filters", {})
+            if "url" not in target:
+                log.warning(f"invalid HTML redirection, missing target URL: {target}")
+                continue
+            # a slash in the url_type is a syntactic shortcut to have a node filter
+            if "/" in url_type:
+                url_type, node_filter = url_type.split("/", 1)
+                filters["node"] = node_filter
+            self.html_redirect.setdefault(url_type, []).append(target)
+
         # HTTP server launch
         self.server = HTTPServer(self)
         if connection_type == 'http':
@@ -361,7 +380,7 @@
             if resp.code == 404:
                 raise exceptions.NotFound(f"Can't find resource at {url}")
             else:
-                msg = f"HTTP error {resp.code}: {text}"
+                msg = f"HTTP error {resp.code} (url: {url}): {text}"
                 raise exceptions.ExternalRequestError(msg)
         try:
             return await treq.json_content(resp)