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hscontrol: convert BlankHandler to use elem-go

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This commit is contained in:
Kristoffer Dalby
2025-11-12 04:54:29 +01:00
committed by Kristoffer Dalby
parent 75e24de7bd
commit 09c9762fe0
2 changed files with 29 additions and 10 deletions
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16
hscontrol/handlers.go
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@@ -286,12 +286,16 @@ func FaviconHandler(writer http.ResponseWriter, req *http.Request) {
http.ServeContent(writer, req, "favicon.ico", time.Unix(0, 0), bytes.NewReader(favicon)) http.ServeContent(writer, req, "favicon.ico", time.Unix(0, 0), bytes.NewReader(favicon))
} }
// Returns a blank page with favicon linked. // BlankHandler returns a blank page with favicon linked.
func BlankHandler(writer http.ResponseWriter, res *http.Request) { func BlankHandler(writer http.ResponseWriter, res *http.Request) {
writer.Header().Set("Content-Type", "text/html; charset=utf-8") writer.Header().Set("Content-Type", "text/html; charset=utf-8")
io.WriteString(writer, ` writer.WriteHeader(http.StatusOK)
<!doctype html><html><head>
<link rel="icon" href="/favicon.ico"> _, err := writer.Write([]byte(templates.BlankPage().Render()))
</head><body></body></html> if err != nil {
`) log.Error().
Caller().
Err(err).
Msg("Failed to write HTTP response")
}
} }

23
hscontrol/templates/general.go
View File

@@ -14,8 +14,6 @@ var headscaleCSS string
//go:embed headscale.svg //go:embed headscale.svg
var headscaleSVG string var headscaleSVG string
// mdTypesetBody creates a body element with md-typeset styling // mdTypesetBody creates a body element with md-typeset styling
// that matches the official Headscale documentation design. // that matches the official Headscale documentation design.
// Uses CSS classes with styles defined in headscaleCSS. // Uses CSS classes with styles defined in headscaleCSS.
@@ -191,8 +189,8 @@ func HtmlStructure(head, body *elem.Element) *elem.Element {
}), }),
// Google Fonts for Roboto and Roboto Mono // Google Fonts for Roboto and Roboto Mono
elem.Link(attrs.Props{ elem.Link(attrs.Props{
attrs.Rel: "preconnect", attrs.Rel: "preconnect",
attrs.Href: "https://fonts.gstatic.com", attrs.Href: "https://fonts.gstatic.com",
"crossorigin": "", "crossorigin": "",
}), }),
elem.Link(attrs.Props{ elem.Link(attrs.Props{
@@ -206,3 +204,20 @@ func HtmlStructure(head, body *elem.Element) *elem.Element {
body, body,
) )
} }
// BlankPage creates a minimal blank HTML page with favicon.
// Used for endpoints that need to return a valid HTML page with no content.
func BlankPage() *elem.Element {
return elem.Html(attrs.Props{attrs.Lang: "en"},
elem.Head(nil,
elem.Meta(attrs.Props{
attrs.Charset: "UTF-8",
}),
elem.Link(attrs.Props{
attrs.Rel: "icon",
attrs.Href: "/favicon.ico",
}),
),
elem.Body(nil),
)
}