[fix] bing engines - geoblocking in China (#6134)

In regions like China, the domain must be adjusted to avoid a redirect.

- https://github.com/searxng/searxng/issues/5243
- https://github.com/searxng/searxng/pull/5324
- https://github.com/searxng/searxng/pull/6133

Suggested / tested by @hubutui in https://github.com/searxng/searxng/pull/6133#issuecomment-4534637069

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/engines/bing.py

@@ -47,7 +47,7 @@ _safesearch_map: dict[int, str] = {
 }
 """Filter results. 0: None, 1: Moderate, 2: Strict"""
 
-base_url = "https://www.bing.com/search"
+base_url = "https://www.bing.com"
 """Bing-Web search URL"""
 
 
@@ -93,7 +93,7 @@ def override_accept_language(params: "OnlineParams", engine_region: str | None)
     params["headers"]["Accept-Language"] = f"{engine_region},{lang};q=0.9"
 
 
-def request(query: str, params: "OnlineParams") -> "OnlineParams":
+def request(query: str, params: "OnlineParams"):
     """Assemble a Bing-Web request."""
 
     engine_region = traits.get_region(params["searxng_locale"], traits.all_locale)
@@ -109,13 +109,7 @@ def request(query: str, params: "OnlineParams") -> "OnlineParams":
     if locale_params:
         query_params.update(locale_params)
 
-    params["url"] = f"{base_url}?{urlencode(query_params)}"
-
-    # in some regions where geoblocking is employed (e.g. China),
-    # www.bing.com redirects to the regional version of Bing
-    params["allow_redirects"] = True
-
-    return params
+    params["url"] = f"{base_url}/search?{urlencode(query_params)}"
 
 
 def response(resp: "SXNG_Response") -> list[dict[str, t.Any]]:

searx/engines/bing_images.py

@@ -34,7 +34,7 @@ time_map = {
     "year": 60 * 24 * 365,
 }
 
-base_url = "https://www.bing.com/images/async"
+base_url = "https://www.bing.com"
 """Bing-Image search URL"""
 
 
@@ -64,9 +64,7 @@ def request(query, params):
     if params["time_range"]:
         query_params["qft"] = "filterui:age-lt%s" % time_map[params["time_range"]]
 
-    params["url"] = base_url + "?" + urlencode(query_params)
-
-    return params
+    params["url"] = base_url + "/images/async?" + urlencode(query_params)
 
 
 def response(resp):

searx/engines/bing_news.py

@@ -44,7 +44,7 @@ time_map = {
 difference of *last day* and *last week* in the result list is just marginally.
 Bing does not have news range ``year`` / we use ``month`` instead."""
 
-base_url = "https://www.bing.com/news/infinitescrollajax"
+base_url = "https://www.bing.com"
 """Bing (News) search URL"""
 
 
@@ -74,9 +74,7 @@ def request(query, params):
     if params["time_range"]:
         query_params["qft"] = time_map.get(params["time_range"], 'interval="9"')
 
-    params["url"] = base_url + "?" + urlencode(query_params)
-
-    return params
+    params["url"] = base_url + "/news/infinitescrollajax?" + urlencode(query_params)
 
 
 def response(resp):

searx/engines/bing_videos.py

@@ -29,7 +29,7 @@ paging = True
 safesearch = True
 time_range_support = True
 
-base_url = "https://www.bing.com/videos/asyncv2"
+base_url = "https://www.bing.com"
 """Bing-Video search URL"""
 
 
@@ -60,7 +60,7 @@ def request(query, params):
         query_params["form"] = "VRFLTR"
         query_params["qft"] = " filterui:videoage-lt%s" % time_map[params["time_range"]]
 
-    params["url"] = base_url + "?" + urlencode(query_params)
+    params["url"] = base_url + "/videos/asyncv2?" + urlencode(query_params)
 
     return params