Open Search

http.go

@@ -227,6 +227,7 @@ func (a *goBlog) buildStaticHandlersRouters() error {
 	a.searchRouter.Use(a.cache.cacheMiddleware)
 	a.searchRouter.Get("/", a.serveSearch)
 	a.searchRouter.Post("/", a.serveSearch)
+	a.searchRouter.Get("/opensearch.xml", a.serveOpenSearch)
 	searchResultPath := "/" + searchPlaceholder
 	a.searchRouter.Get(searchResultPath, a.serveSearchResult)
 	a.searchRouter.Get(searchResultPath+feedPath, a.serveSearchResult)

opensearch.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func (a *goBlog) serveOpenSearch(w http.ResponseWriter, r *http.Request) {
+	blog := r.Context().Value(blogContextKey).(string)
+	b := a.cfg.Blogs[blog]
+	title := b.Title
+	sURL := a.cfg.Server.PublicAddress + b.getRelativePath(b.Search.Path)
+	xml := fmt.Sprintf("<?xml version=\"1.0\"?><OpenSearchDescription xmlns=\"http://a9.com/-/spec/opensearch/1.1/\" xmlns:moz=\"http://www.mozilla.org/2006/browser/search/\">"+
+		"<ShortName>%s</ShortName><Description>%s</Description>"+
+		"<Url type=\"text/html\" method=\"post\" template=\"%s\"><Param name=\"q\" value=\"{searchTerms}\" /></Url>"+
+		"<moz:SearchForm>%s</moz:SearchForm>"+
+		"</OpenSearchDescription>",
+		title, title, sURL, sURL)
+	w.Header().Set(contentType, "application/opensearchdescription+xml")
+	writeMinified(w, contentTypeXML, []byte(xml))
+}
+
+func openSearchUrl(b *configBlog) string {
+	if b.Search != nil && b.Search.Enabled {
+		return b.getRelativePath(b.Search.Path + "/opensearch.xml")
+	}
+	return ""
+}

render.go

@@ -180,7 +180,8 @@ func (a *goBlog) initRendering() error {
 			}
 			return
 		},
-		"geotitle": a.db.geoTitle,
+		"geotitle":   a.db.geoTitle,
+		"opensearch": openSearchUrl,
 	}
 
 	baseTemplate, err := template.New("base").Funcs(templateFunctions).ParseFiles(path.Join(templatesDir, templateBase+templatesExt))

templates/base.gohtml

@@ -20,6 +20,10 @@
     <link rel="me" href="{{ . }}" />
     {{ end }}
     {{ end }}
+    {{ $os := opensearch .Blog }}
+    {{ if $os }}
+      <link rel="search" type="application/opensearchdescription+xml" href="{{ $os }}" title="{{ .Blog.Title }}" />
+    {{ end }}
     {{ include "header" . }}
     {{ block "main" . }}{{ end }}
     {{ include "footer" . }}