feat: browser search engine support

backend/config.py

@@ -76,8 +76,11 @@ WEBUI_NAME = os.environ.get("WEBUI_NAME", "Open WebUI")
 if WEBUI_NAME != "Open WebUI":
     WEBUI_NAME += " (Open WebUI)"
 
+WEBUI_URL = os.environ.get("WEBUI_URL", "http://localhost:3000")
+
 WEBUI_FAVICON_URL = "https://openwebui.com/favicon.png"
 
+
 ####################################
 # ENV (dev,test,prod)
 ####################################

backend/main.py

@@ -15,7 +15,7 @@ from fastapi.middleware.wsgi import WSGIMiddleware
 from fastapi.middleware.cors import CORSMiddleware
 from starlette.exceptions import HTTPException as StarletteHTTPException
 from starlette.middleware.base import BaseHTTPMiddleware
-from starlette.responses import StreamingResponse
+from starlette.responses import StreamingResponse, Response
 
 from apps.ollama.main import app as ollama_app
 from apps.openai.main import app as openai_app
@@ -43,6 +43,7 @@ from apps.rag.utils import rag_messages
 from config import (
     CONFIG_DATA,
     WEBUI_NAME,
+    WEBUI_URL,
     ENV,
     VERSION,
     CHANGELOG,
@@ -350,6 +351,21 @@ async def get_manifest_json():
     }
 
 
+@app.get("/opensearch.xml")
+async def get_opensearch_xml():
+    xml_content = rf"""
+    <OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:moz="http://www.mozilla.org/2006/browser/search/">
+    <ShortName>{WEBUI_NAME}</ShortName>
+    <Description>Search {WEBUI_NAME}</Description>
+    <InputEncoding>UTF-8</InputEncoding>
+    <Image width="16" height="16" type="image/x-icon">{WEBUI_URL}/favicon.png</Image>
+    <Url type="text/html" method="get" template="{WEBUI_URL}/?q={"{searchTerms}"}"/>
+    <moz:SearchForm>{WEBUI_URL}</moz:SearchForm>
+    </OpenSearchDescription>
+    """
+    return Response(content=xml_content, media_type="application/xml")
+
+
 app.mount("/static", StaticFiles(directory=STATIC_DIR), name="static")
 app.mount("/cache", StaticFiles(directory=CACHE_DIR), name="cache")