httputil

func GetBaseURL ¶

func GetBaseURL(r *http.Request, fallbackURL string) string

GetBaseURL extracts the base URL from request headers (for nginx proxy) or falls back to configured URL It checks headers in the following order: 1. X-Forwarded-Host with protocol from proxy headers (X-Forwarded-Proto, X-Forwarded-Scheme, X-Forwarded-Ssl, Forwarded) 2. X-Forwarded-Host alone (assumes https if protocol not detected) 3. Host header with protocol from proxy headers (X-Forwarded-Proto, X-Forwarded-Scheme, X-Forwarded-Ssl, Forwarded) 4. Host header with scheme based on TLS connection state 5. Falls back to the provided fallbackURL