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Add logout endpoint #87

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Merged
feedmeapples merged 1 commit into from
Jan 14, 2022
Merged

Add logout endpoint #87

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27 changes: 26 additions & 1 deletion server/routes/auth.go
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,7 @@ func SetAuthRoutes(e *echo.Echo, cfg *config.Auth) {
api := e.Group("/auth")
api.GET("/sso", authenticate(&config))
api.GET("/sso/callback", authenticateCb(ctx, &config, provider))
api.GET("/logout", logout)
}

func authenticate(config *oauth2.Config) func(echo.Context) error {
Expand Down Expand Up @@ -121,10 +122,34 @@ func authenticateCb(ctx context.Context, config *oauth2.Config, provider *oidc.P
sess.Values["name"] = &user.IDToken.Name
sess.Save(c.Request(), c.Response())

return c.Redirect(http.StatusSeeOther, "/")
returnUrl := c.Request().Header.Get("Referer")
if returnUrl == "" {
returnUrl = "/"
}

return c.Redirect(http.StatusSeeOther, returnUrl)
}
}

func logout(c echo.Context) error {
sess, _ := session.Get("auth", c)
sess.Options = &sessions.Options{
Path: "/",
MaxAge: -1,
HttpOnly: true,
SameSite: http.SameSiteNoneMode,
Secure: true,
}
sess.Save(c.Request(), c.Response())

returnUrl := c.Request().Header.Get("Referer")
if returnUrl == "" {
returnUrl = "/"
}

return c.Redirect(http.StatusSeeOther, returnUrl)
}

func exchangeCode(ctx context.Context, r *http.Request, config *oauth2.Config, provider *oidc.Provider) (*User, error) {
state, err := r.Cookie("state")
if err != nil {
Expand Down