feat: add support for SearXNG HTTP basic authentication

gitea/tools/research_tools.py

@@ -26,7 +26,7 @@ from duckduckgo_search.exceptions import (  # type: ignore[import-untyped]
     RatelimitException,
 )
 
-from gitea.config import SEARXNG_URL
+from gitea.config import SEARXNG_URL, SEARXNG_USERNAME, SEARXNG_PASSWORD
 
 logger: logging.Logger = logging.getLogger("research-tools")
 
@@ -38,6 +38,9 @@ _USER_AGENT: str = (
 )
 # SearXNG instance
 _SEARXNG_URL: str = SEARXNG_URL
+_SEARXNG_USERNAME: str = SEARXNG_USERNAME
+_SEARXNG_PASSWORD: str = SEARXNG_PASSWORD
+
 
 
 
@@ -196,9 +199,13 @@ class ResearchTools:
         if time_range:
             params["time_range"] = time_range
 
+        auth = None
+        if _SEARXNG_USERNAME and _SEARXNG_PASSWORD:
+            auth = (_SEARXNG_USERNAME, _SEARXNG_PASSWORD)
+
         try:
             with httpx.Client(
-                timeout=_DEFAULT_TIMEOUT, follow_redirects=True
+                timeout=_DEFAULT_TIMEOUT, follow_redirects=True, auth=auth
             ) as client:
                 response = client.get(
                     f"{_SEARXNG_URL}/search",