[fix] chatnoir: fails to extract API session parameters

Closes: https://github.com/searxng/searxng/issues/6545

searx/engines/braveapi.py

@@ -40,7 +40,7 @@ if t.TYPE_CHECKING:
 about = {
     "website": "https://api.search.brave.com/",
     "wikidata_id": None,
-    "official_api_documentation": "https://api-dashboard.search.brave.com/documentation",
+    "official_api_documentation": "https://api-dashboard.search.brave.com/api-reference/web/search/get",
     "use_official_api": True,
     "require_api_key": True,
     "results": "JSON",
@@ -63,6 +63,8 @@ base_url = "https://api.search.brave.com/res/v1/web/search"
 time_range_map = {"day": "past_day", "week": "past_week", "month": "past_month", "year": "past_year"}
 """Mapping of SearXNG time ranges to Brave API time ranges."""
 
+max_page = 10
+
 
 def setup(_: dict[str, t.Any]) -> bool | None:
     """Initialize the engine."""
@@ -75,7 +77,7 @@ def request(query: str, params: "OnlineParams") -> None:
     search_args: dict[str, str | int | None] = {
         "q": query,
         "count": results_per_page,
-        "offset": (params["pageno"] - 1) * results_per_page,
+        "offset": params["pageno"] - 1,
         "text_decorations": False,
     }
 

searx/engines/chatnoir.py

@@ -41,7 +41,7 @@ search_index = "cw22"
 <https://www.chatnoir.eu/docs/api-general>`_ for a full list."""
 
 
-def _obtain_api_key() -> tuple[str, str, str]:
+def _obtain_api_key() -> tuple[str, str]:
     home_resp = get(base_url)
     if not home_resp.ok:
         raise SearxEngineAPIException("failed to obtain api key")
@@ -58,10 +58,9 @@ def _obtain_api_key() -> tuple[str, str, str]:
     )
     if not token_resp.ok:
         raise SearxEngineAPIException("failed to obtain api key")
-    session_id = token_resp.cookies["sessionid"]
     scraped_api_key = token_resp.json()["token"]["token"]
 
-    return csrf_token, session_id, scraped_api_key
+    return csrf_token, scraped_api_key
 
 
 def request(query: str, params: "OnlineParams"):
@@ -73,7 +72,7 @@ def request(query: str, params: "OnlineParams"):
 
         params["headers"].update(headers)
     else:
-        csrf_token, session_id, scraped_api_key = _obtain_api_key()
+        csrf_token, scraped_api_key = _obtain_api_key()
 
         headers = {
             "Authorization": f"Bearer {scraped_api_key}",
@@ -81,7 +80,7 @@ def request(query: str, params: "OnlineParams"):
         }
 
         params["headers"].update(headers)
-        params["cookies"] = {"csrftoken": session_id, "sessionid": session_id}
+        params["cookies"] = {"csrftoken": csrf_token}
 
     params["url"] = f"{base_url}/api/v1/_search"
     params["method"] = "POST"