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")
 

src/app.html

@@ -6,6 +6,12 @@
 		<link rel="manifest" href="%sveltekit.assets%/manifest.json" crossorigin="use-credentials" />
 		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
 		<meta name="robots" content="noindex,nofollow" />
+		<link
+			rel="search"
+			type="application/opensearchdescription+xml"
+			title="Open WebUI"
+			href="/opensearch.xml"
+		/>
 		<script>
 			// On page load or when changing themes, best to add inline in `head` to avoid FOUC
 			(() => {

src/routes/(app)/+page.svelte

@@ -134,6 +134,14 @@
 			selectedModels = [''];
 		}
 
+		if ($page.url.searchParams.get('q')) {
+			prompt = $page.url.searchParams.get('q') ?? '';
+			if (prompt) {
+				await tick();
+				submitPrompt(prompt);
+			}
+		}
+
 		selectedModels = selectedModels.map((modelId) =>
 			$models.map((m) => m.id).includes(modelId) ? modelId : ''
 		);

static/opensearch.xml

@@ -0,0 +1,8 @@
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/" xmlns:moz="http://www.mozilla.org/2006/browser/search/">
+<ShortName>Open WebUI</ShortName>
+<Description>Search Open WebUI</Description>
+<InputEncoding>UTF-8</InputEncoding>
+<Image width="16" height="16" type="image/x-icon">http://localhost:5137/favicon.png</Image>
+<Url type="text/html" method="get" template="http://localhost:5137/?q={searchTerms}"/>
+<moz:SearchForm>http://localhost:5137</moz:SearchForm>
+</OpenSearchDescription>