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package main
import (
"github.com/yohcop/openid-go"
"html/template"
"log"
"net/http"
)
const dataDir = "_example/"
// For the demo, we use in-memory infinite storage nonce and discovery
// cache. In your app, do not use this as it will eat up memory and never
// free it. Use your own implementation, on a better database system.
// If you have multiple servers for example, you may need to share at least
// the nonceStore between them.
var nonceStore = openid.NewSimpleNonceStore()
var discoveryCache = openid.NewSimpleDiscoveryCache()
func indexHandler(w http.ResponseWriter, r *http.Request) {
p := make(map[string]string)
if t, err := template.ParseFiles(dataDir + "index.html"); err == nil {
t.Execute(w, p)
} else {
log.Print(err)
}
}
func loginHandler(w http.ResponseWriter, r *http.Request) {
p := make(map[string]string)
if t, err := template.ParseFiles(dataDir + "login.html"); err == nil {
t.Execute(w, p)
} else {
log.Print(err)
}
}
func discoverHandler(w http.ResponseWriter, r *http.Request) {
if url, err := openid.RedirectURL(r.FormValue("id"),
"http://localhost:8080/openidcallback",
"http://localhost:8080/"); err == nil {
http.Redirect(w, r, url, 303)
} else {
log.Print(err)
}
}
func callbackHandler(w http.ResponseWriter, r *http.Request) {
fullUrl := "http://localhost:8080" + r.URL.String()
log.Print(fullUrl)
id, err := openid.Verify(
fullUrl,
discoveryCache, nonceStore)
if err == nil {
p := make(map[string]string)
p["user"] = id
if t, err := template.ParseFiles(dataDir + "index.html"); err == nil {
t.Execute(w, p)
} else {
log.Println("WTF")
log.Print(err)
}
} else {
log.Println("WTF2")
log.Print(err)
}
}
func main() {
http.HandleFunc("/", indexHandler)
http.HandleFunc("/login", loginHandler)
http.HandleFunc("/discover", discoverHandler)
http.HandleFunc("/openidcallback", callbackHandler)
http.ListenAndServe(":8080", nil)
}
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