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Fix docs

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This commit is contained in:
Erno
2025-08-14 13:19:19 +00:00
parent b4256d8908
commit 93f5b74465
3 changed files with 278 additions and 14 deletions
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21
pkg/handlers/docs.go
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@@ -4,7 +4,6 @@ import (
"encoding/json"
"fmt"
"net/http"
"os"
"strings"
"github.com/MarceloPetrucio/go-scalar-api-reference"
@@ -25,9 +24,10 @@ func (h *DocsHandler) RedirectToDocs(w http.ResponseWriter, r *http.Request) {
}
func (h *DocsHandler) GetOpenAPISpec(w http.ResponseWriter, r *http.Request) {
baseURL := determineBaseURL(r)
_ = determineBaseURL(r)
spec := getOpenAPISpecWithURL(baseURL)
// Use relative server URL to inherit correct scheme/host from the browser/proxy
spec := getOpenAPISpecWithURL("/")
w.Header().Set("Content-Type", "application/json")
w.Header().Set("Access-Control-Allow-Origin", "*")
@@ -37,10 +37,11 @@ func (h *DocsHandler) GetOpenAPISpec(w http.ResponseWriter, r *http.Request) {
}
func (h *DocsHandler) ServeDocs(w http.ResponseWriter, r *http.Request) {
baseURL := determineBaseURL(r)
_ = determineBaseURL(r)
// Use relative SpecURL so the browser automatically uses the current origin and protocol
htmlContent, err := scalar.ApiReferenceHTML(&scalar.Options{
SpecURL: fmt.Sprintf("%s/openapi.json", baseURL),
SpecURL: "/openapi.json",
CustomOptions: scalar.CustomOptions{
PageTitle: "Neo Movies API Documentation",
},
@@ -59,15 +60,10 @@ func (h *DocsHandler) ServeDocs(w http.ResponseWriter, r *http.Request) {
}
func determineBaseURL(r *http.Request) string {
if envBase := os.Getenv("BASE_URL"); envBase != "" {
return envBase
}
// Defaults
// Prefer proxy headers and request info over environment to avoid wrong scheme on platforms like Vercel
proto := ""
host := r.Host
// RFC 7239 Forwarded header: e.g. "for=1.2.3.4; proto=https; host=example.com"
if fwd := r.Header.Get("Forwarded"); fwd != "" {
for _, part := range strings.Split(fwd, ";") {
kv := strings.SplitN(strings.TrimSpace(part), "=", 2)
@@ -89,7 +85,6 @@ func determineBaseURL(r *http.Request) string {
}
}
// Fallback to X-Forwarded-* headers
if proto == "" {
if p := r.Header.Get("X-Forwarded-Proto"); p != "" {
proto = strings.ToLower(strings.TrimSpace(strings.Split(p, ",")[0]))
@@ -99,7 +94,6 @@ func determineBaseURL(r *http.Request) string {
host = strings.TrimSpace(strings.Split(xfh, ",")[0])
}
// Last resort: infer from TLS
if proto == "" {
if r.TLS != nil {
proto = "https"
@@ -108,7 +102,6 @@ func determineBaseURL(r *http.Request) string {
}
}
// Respect X-Forwarded-Port if host has no explicit port and it is non-default
if xfp := r.Header.Get("X-Forwarded-Port"); xfp != "" && !strings.Contains(host, ":") {
isDefault := (proto == "http" && xfp == "80") || (proto == "https" && xfp == "443")
if !isDefault {