Files
amsterdam/ui/middleware.go
T

90 lines
2.8 KiB
Go

/*
* Amsterdam Web Communities System
* Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
// Package ui holds the support for the Amsterdam user interface, wrapping Echo and Jet templates.
package ui
import (
"net/http"
"net/url"
"git.erbosoft.com/amy/amsterdam/config"
"git.erbosoft.com/amy/amsterdam/database"
"github.com/labstack/echo/v4"
log "github.com/sirupsen/logrus"
)
// IPBanTest is middleware that handles the IP banning.
func IPBanTest(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
// Check IP banning.
banmsg, banerr := database.AmTestIPBan(c.RealIP())
if banerr != nil {
c.Logger().Warnf("address %s could not be tested: %v", c.RealIP(), banerr)
// but let the request pass anyway
} else if banmsg != "" {
amctxt := AmContextFromEchoContext(c)
amctxt.VarMap().Set("amsterdam_pageTitle", "IP Address Banned")
amctxt.VarMap().Set("message", banmsg)
amctxt.SetRC(http.StatusForbidden)
return AmSendPageData(c, amctxt, "framed_template", "ipban.jet")
}
return next(c)
}
}
// CookieLoginTest is middleware that handles cookie logins.
func CookieLoginTest(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
amctxt := AmContextFromEchoContext(c)
// Check for cookie login.
if amctxt.CurrentUser().IsAnon {
cookie, err := c.Cookie(config.GlobalConfig.Site.LoginCookieName)
if err == nil {
var user *database.User
user, err = database.AmAuthenticateUserByToken(cookie.Value, c.RealIP())
if err == nil {
// log the user in and rotate login cookie
amctxt.ReplaceUser(user)
var newToken string
if newToken, err = user.NewAuthToken(); err == nil {
amctxt.SetLoginCookie(newToken)
} else {
log.Warnf("unable to rotate login cookie: %v", err)
}
if !user.VerifyEMail {
// bounce to E-mail verification before we go anywhere
return AmSendPageData(c, amctxt, "redirect",
"/verify?tgt="+url.QueryEscape(c.Request().URL.Path))
}
} else {
log.Errorf("login cookie bogus, do not use: %v", err)
amctxt.ClearLoginCookie()
}
}
}
return next(c)
}
}
// SetCommunity is middleware that sets the community context based on the URL.
func SetCommunity(next echo.HandlerFunc) echo.HandlerFunc {
return func(c echo.Context) error {
ctxt := AmContextFromEchoContext(c)
err := ctxt.SetCommunityContext(ctxt.URLParam("cid"))
if err != nil {
ctxt.SetRC(http.StatusNotFound)
cmd, data, _ := ErrorPage(ctxt, err)
return AmSendPageData(c, ctxt, cmd, data)
}
ctxt.SetLeftMenu("community")
return next(c)
}
}