mirror of
https://github.com/yusing/godoxy.git
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69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
package auth
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import (
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"net"
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"net/http"
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"time"
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E "github.com/yusing/go-proxy/internal/error"
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"github.com/yusing/go-proxy/internal/utils/strutils"
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)
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var (
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ErrMissingToken = E.New("missing token")
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ErrInvalidToken = E.New("invalid token")
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ErrUserNotAllowed = E.New("user not allowed")
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)
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// cookieFQDN returns the fully qualified domain name of the request host
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// with subdomain stripped.
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//
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// If the request host does not have a subdomain,
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// an empty string is returned
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//
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// "abc.example.com" -> "example.com"
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// "example.com" -> ""
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func cookieFQDN(r *http.Request) string {
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host, _, err := net.SplitHostPort(r.Host)
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if err != nil {
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host = r.Host
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}
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parts := strutils.SplitRune(host, '.')
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if len(parts) < 2 {
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return ""
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}
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parts[0] = ""
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return strutils.JoinRune(parts, '.')
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}
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func setTokenCookie(w http.ResponseWriter, r *http.Request, name, value string, ttl time.Duration) {
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http.SetCookie(w, &http.Cookie{
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Name: name,
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Value: value,
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MaxAge: int(ttl.Seconds()),
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Domain: cookieFQDN(r),
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HttpOnly: true,
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Secure: true,
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SameSite: http.SameSiteLaxMode,
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Path: "/",
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})
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}
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func clearTokenCookie(w http.ResponseWriter, r *http.Request, name string) {
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http.SetCookie(w, &http.Cookie{
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Name: name,
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Value: "",
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MaxAge: -1,
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Domain: cookieFQDN(r),
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HttpOnly: true,
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Secure: true,
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SameSite: http.SameSiteLaxMode,
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Path: "/",
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})
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}
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// DefaultLogoutCallbackHandler clears the token cookie and redirects to the login page..
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func DefaultLogoutCallbackHandler(auth Provider, w http.ResponseWriter, r *http.Request) {
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clearTokenCookie(w, r, auth.TokenCookieName())
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auth.RedirectLoginPage(w, r)
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}
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