From b8a240fdf4f0496271ad7d2b04bc663473ff889d Mon Sep 17 00:00:00 2001
From: Thibaut Horel <thibaut.horel@gmail.com>
Date: Sun, 30 Dec 2018 06:48:35 -0500
Subject: Remove hard-coding of X-Remote-User

---
 main.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'main.go')

diff --git a/main.go b/main.go
index 174a610..34667cf 100644
--- a/main.go
+++ b/main.go
@@ -17,6 +17,7 @@ type App struct {
 	Store
 	Template *template.Template
 	Domain   string
+	Header   string
 }
 
 func logMux(handler http.Handler) http.Handler {
@@ -40,7 +41,7 @@ func (app *App) validate(r *http.Request) (*Session, bool) {
 
 func (app *App) validateHandler(w http.ResponseWriter, r *http.Request) {
 	if s, ok := app.validate(r); ok {
-		w.Header().Set("X-Remote-User", strconv.FormatInt(s.UserId, 10))
+		w.Header().Set(app.Header, strconv.FormatInt(s.UserId, 10))
 		w.WriteHeader(http.StatusOK)
 	} else {
 		w.WriteHeader(http.StatusUnauthorized)
@@ -112,6 +113,11 @@ func main() {
 	}
 	address := flag.String("a", ":8080", "bind the server to `address`")
 	templateDir := flag.String("t", "templates", "template `directory`")
+	header := flag.String(
+		"header",
+		"X-Remote-User",
+		"http `header` containing the user id",
+	)
 	flag.Parse()
 	if flag.NArg() < 2 {
 		fmt.Print("Argument missing. ")
@@ -123,7 +129,7 @@ func main() {
 	template := template.Must(
 		template.New("").ParseGlob(filepath.Join(*templateDir, "*.tmpl")),
 	)
-	app := &App{store, template, flag.Args()[1]}
+	app := &App{store, template, flag.Args()[1], *header}
 	http.HandleFunc("/validate", app.validateHandler)
 	http.HandleFunc("/login", app.loginHandler)
 	http.HandleFunc("/logout", app.logoutHandler)
-- 
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