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feat: Fix Playground admin signup: proxy OpenWebUI /workspace+/auth and route /api/v1 via dashboard #884

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Merged
Xunzhuo merged 1 commit into from
Dec 23, 2025
Merged

feat: Fix Playground admin signup: proxy OpenWebUI /workspace+/auth and route /api/v1 via dashboard #884

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23 changes: 20 additions & 3 deletions dashboard/backend/router/router.go
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Original file line number Diff line number Diff line change
Expand Up @@ -102,13 +102,29 @@ func Setup(cfg *config.Config) *http.ServeMux {
var openwebuiStaticProxy *httputil.ReverseProxy
if cfg.OpenWebUIURL != "" {
var err error
openwebuiStaticProxy, err = proxy.NewReverseProxy(cfg.OpenWebUIURL, "", false)
// Use forwardAuth=true to forward Authorization headers for API authentication
openwebuiStaticProxy, err = proxy.NewReverseProxy(cfg.OpenWebUIURL, "", true)
if err != nil {
log.Printf("Warning: failed to create OpenWebUI static proxy: %v", err)
openwebuiStaticProxy = nil
}
}

// OpenWebUI is not base-path aware; the Playground iframe loads it at /workspace (root),
// and it may redirect to /auth. These must be proxied to OpenWebUI (not served by the dashboard SPA).
if openwebuiStaticProxy != nil {
openwebuiRootProxy := func(w http.ResponseWriter, r *http.Request) {
if middleware.HandleCORSPreflight(w, r) {
return
}
openwebuiStaticProxy.ServeHTTP(w, r)
}
mux.HandleFunc("/auth", openwebuiRootProxy)
mux.HandleFunc("/auth/", openwebuiRootProxy)
mux.HandleFunc("/workspace", openwebuiRootProxy)
mux.HandleFunc("/workspace/", openwebuiRootProxy)
}

// Jaeger API proxy (needs to be set up early for the smart router below)
var jaegerAPIProxy *httputil.ReverseProxy
var jaegerStaticProxy *httputil.ReverseProxy
Expand Down Expand Up @@ -405,8 +421,9 @@ func Setup(cfg *config.Config) *http.ServeMux {
return
}
// Check if path is a known OpenWebUI API endpoint (even without referer)
// OpenWebUI uses /api/config for configuration
if openwebuiStaticProxy != nil && strings.HasPrefix(r.URL.Path, "/api/config") {
// OpenWebUI uses /api/config for configuration and /api/v1/ for auth/users
if openwebuiStaticProxy != nil && (strings.HasPrefix(r.URL.Path, "/api/config") ||
strings.HasPrefix(r.URL.Path, "/api/v1/")) {
log.Printf("Routing to OpenWebUI API: %s (by path pattern)", r.URL.Path)
openwebuiStaticProxy.ServeHTTP(w, r)
return
Expand Down
2 changes: 1 addition & 1 deletion dashboard/frontend/src/pages/PlaygroundPage.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ const PlaygroundPage = () => {
<div className={styles.container}>
<div className={styles.iframeContainer}>
<iframe
src="/embedded/openwebui/"
src="/workspace"
className={styles.iframe}
title="Open WebUI Playground"
allowFullScreen
Expand Down
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