Files
amsterdam/login.go
T

440 lines
13 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 main contains the high-level Amsterdam logic.
package main
import (
"errors"
"fmt"
"net/url"
"time"
"git.erbosoft.com/amy/amsterdam/database"
"git.erbosoft.com/amy/amsterdam/email"
"git.erbosoft.com/amy/amsterdam/ui"
"git.erbosoft.com/amy/amsterdam/util"
"github.com/labstack/gommon/log"
)
/* LoginForm renders the Amsterdam login form.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func LoginForm(ctxt ui.AmContext) (string, any, error) {
// Get target URI.
target := ctxt.Parameter("tgt")
if target == "" {
target = "/"
}
// If user is already logged in, this is a no-op.
if !ctxt.CurrentUser().IsAnon {
return "redirect", target, nil
}
dlg, err := ui.AmLoadDialog("login")
if err == nil {
dlg.Field("tgt").Value = target
return dlg.Render(ctxt)
}
return ui.ErrorPage(ctxt, err)
}
/* Login handles logging in to Amsterdam.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func Login(ctxt ui.AmContext) (string, any, error) {
dlg, err := ui.AmLoadDialog("login")
if err == nil {
dlg.LoadFromForm(ctxt)
target := dlg.Field("tgt").Value
if target == "" {
target = "/"
}
// If user is already logged in, this is a no-op.
if !ctxt.CurrentUser().IsAnon {
return "redirect", target, nil
}
action := dlg.WhichButton(ctxt)
if action == "cancel" { // Cancel button pressed
return "redirect", target, nil
}
if action == "remind" { // Password Reminder button pressed
user, uerr := database.AmGetUserByName(dlg.Field("user").Value)
if uerr == nil {
var ci *database.ContactInfo
ci, uerr = user.ContactInfo()
if uerr == nil {
if ci != nil && ci.Email != nil && *ci.Email != "" {
pchange := database.AmNewPasswordChangeRequest(user.Uid, user.Username, *ci.Email)
msg := email.AmNewEmailMessage(ctxt.CurrentUserId(), ctxt.RemoteIP())
msg.AddTo(*ci.Email, "")
msg.SetTemplate("pass_remind.jet")
msg.AddVariable("username", user.Username)
msg.AddVariable("reminder", user.PassReminder)
msg.AddVariable("change_uid", user.Uid)
msg.AddVariable("change_auth", pchange.Authentication)
msg.Send()
} else {
uerr = errors.New("cannot find email address")
}
}
}
dlg.Field("pass").Value = ""
if uerr == nil {
return dlg.RenderInfo(ctxt, "Password reminder has been sent to your E-mail address.")
} else {
return dlg.RenderError(ctxt, uerr.Error())
}
}
if action == "login" { // Login button pressed
// authenticate the user
user, uerr := database.AmAuthenticateUser(dlg.Field("user").Value, dlg.Field("pass").Value, ctxt.RemoteIP())
if uerr != nil {
dlg.Field("pass").Value = ""
return dlg.RenderError(ctxt, uerr.Error())
}
ctxt.ReplaceUser(user)
if dlg.Field("saveme").IsChecked() {
// create and save an authentication token
authString, cerr := user.NewAuthToken()
if cerr == nil {
ctxt.SetLoginCookie(authString)
} else {
log.Errorf("unable to generate auth string for uid %d: %v", user.Uid, cerr)
}
}
if user.VerifyEMail {
return "redirect", target, nil
} else {
return "redirect", "/verify?tgt=" + url.PathEscape(target), nil
}
}
dlg.Field("pass").Value = ""
return dlg.RenderError(ctxt, "No known button click on POST to login function.")
}
return ui.ErrorPage(ctxt, err)
}
/* Logout handles logging out from Amsterdam.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func Logout(ctxt ui.AmContext) (string, any, error) {
// Get target URI.
target := ctxt.Parameter("tgt")
if target == "" {
target = "/"
}
if !ctxt.CurrentUser().IsAnon {
ctxt.ClearLoginCookie()
ctxt.ClearSession()
}
return "redirect", target, nil
}
/* VerifyEmailForm renders the E-mail address verification form.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func VerifyEmailForm(ctxt ui.AmContext) (string, any, error) {
// Get target URI.
target := ctxt.Parameter("tgt")
if target == "" {
target = "/"
}
// If user is not logged in, this is an error.
user := ctxt.CurrentUser()
if !user.IsAnon {
return ui.ErrorPage(ctxt, errors.New("you must log in before you can verify your account's E-mail address"))
}
// If user is already verified, this is a no-op.
if user.VerifyEMail {
return "redirect", target, nil
}
dlg, err := ui.AmLoadDialog("verify_email")
if err == nil {
dlg.Field("tgt").Value = target
return dlg.Render(ctxt)
}
return ui.ErrorPage(ctxt, err)
}
func sendEmailConfirmationEmail(user *database.User, ci *database.ContactInfo, remoteIP string) error {
if ci != nil && ci.Email != nil && *ci.Email != "" {
msg := email.AmNewEmailMessage(user.Uid, remoteIP)
msg.AddTo(*ci.Email, "")
msg.SetTemplate("verify_email.jet")
msg.AddVariable("username", user.Username)
msg.AddVariable("confnum", user.EmailConfNum)
msg.Send()
return nil
} else {
return errors.New("cannot find email address")
}
}
/* VerifyEmail handles E-mail address verification.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func VerifyEMail(ctxt ui.AmContext) (string, any, error) {
// If user is not logged in, this is an error.
user := ctxt.CurrentUser()
if !user.IsAnon {
return ui.ErrorPage(ctxt, errors.New("you must log in before you can verify your account's E-mail address"))
}
dlg, err := ui.AmLoadDialog("verify_email")
if err == nil {
dlg.LoadFromForm(ctxt)
target := dlg.Field("tgt").Value
if target == "" {
target = "/"
}
// If user is already verified, this is a no-op.
if user.VerifyEMail {
return "redirect", target, nil
}
action := dlg.WhichButton(ctxt)
if action == "cancel" { // Cancel button pressed
return "redirect", target, nil
}
if action == "sendagain" {
var ci *database.ContactInfo
ci, err = user.ContactInfo()
if err == nil {
err = user.NewEmailConfirmationNumber()
if err == nil {
err = sendEmailConfirmationEmail(user, ci, ctxt.RemoteIP())
}
}
if err == nil {
return dlg.RenderInfo(ctxt, "Verification message has been sent to your E-mail address.")
} else {
return dlg.RenderError(ctxt, err.Error())
}
}
if action == "ok" {
err = dlg.Validate()
if err == nil {
err = user.ConfirmEMailAddress(dlg.Field("num").AuxData.(int32), ctxt.RemoteIP())
if err == nil {
return "redirect", target, nil
}
}
return dlg.RenderError(ctxt, err.Error())
}
return dlg.RenderError(ctxt, "No known button click on POST to verify function.")
}
return ui.ErrorPage(ctxt, err)
}
/* NewAccountUserAgreement renders the Amsterdam user agreement for new accounts.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func NewAccountUserAgreement(ctxt ui.AmContext) (string, any, error) {
// Get target URI.
target := ctxt.Parameter("tgt")
if target == "" {
target = "/"
}
// If user is already logged in, this is an error.
if !ctxt.CurrentUser().IsAnon {
return ui.ErrorPage(ctxt, errors.New("you cannot create a new account while logged in on an existing one. You must log out first"))
}
ctxt.VarMap().Set("target", target)
ctxt.VarMap().Set("amsterdam_pageTitle", "New Account User Agreement")
return "framed_template", "agreement.jet", nil
}
/* NewAccountUserAgreement renders the Amsterdam account creation form.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func NewAccountForm(ctxt ui.AmContext) (string, any, error) {
// Get target URI.
target := ctxt.Parameter("tgt")
if target == "" {
target = "/"
}
// If user is already logged in, this is an error.
if !ctxt.CurrentUser().IsAnon {
return ui.ErrorPage(ctxt, fmt.Errorf("you cannot create a new account while logged in on an existing one. You must log out first"))
}
dlg, err := ui.AmLoadDialog("newaccount")
if err == nil {
dlg.Field("tgt").Value = target
dlg.Field("country").Value = "XX"
return dlg.Render(ctxt)
}
return ui.ErrorPage(ctxt, err)
}
/* NewAccount handles creating a new Amsterdam account.
* Parameters:
* ctxt - The AmContext for the request.
* Returns:
* Command string dictating what to be rendered.
* Data as a parameter for the command string.
* Standard Go error status.
*/
func NewAccount(ctxt ui.AmContext) (string, any, error) {
// If user is already logged in, this is an error.
if !ctxt.CurrentUser().IsAnon {
return ui.ErrorPage(ctxt, fmt.Errorf("you cannot create a new account while logged in on an existing one. You must log out first"))
}
dlg, err := ui.AmLoadDialog("newaccount")
if err == nil {
dlg.LoadFromForm(ctxt)
target := dlg.Field("tgt").Value
if target == "" {
target = "/"
}
action := dlg.WhichButton(ctxt)
if action == "cancel" { // Cancel button pressed
return "redirect", target, nil
}
if action == "create" {
err = dlg.Validate()
if err == nil {
if dlg.Field("pass1").Value != dlg.Field("pass2").Value {
return dlg.RenderError(ctxt, "The typed passwords do not match.")
}
var banned bool
banned, err = database.AmIsEmailAddressBanned(dlg.Field("email").Value)
if err == nil {
if banned {
return dlg.RenderError(ctxt, "This E-mail address may not register a new account.")
}
// Create new user account
var user *database.User
user, err = database.AmCreateNewUser(dlg.Field("user").Value, dlg.Field("pass1").Value,
dlg.Field("remind").Value, dlg.Field("dob").AsDate(), ctxt.RemoteIP())
if err == nil {
// create and save contact info
ci := database.AmNewUserContactInfo(user.Uid)
ci.Prefix = dlg.Field("prefix").ValPtr()
ci.GivenName = dlg.Field("first").Value
ci.MiddleInit = dlg.Field("mid").Value
if ci.MiddleInit == "" {
ci.MiddleInit = " "
}
ci.FamilyName = dlg.Field("last").Value
ci.Suffix = dlg.Field("suffix").ValPtr()
ci.Locality = dlg.Field("loc").ValPtr()
ci.Region = dlg.Field("reg").ValPtr()
ci.PostalCode = dlg.Field("pcode").ValPtr()
ci.Country = dlg.Field("country").ValPtr()
ci.Email = dlg.Field("email").ValPtr()
_, err = ci.Save()
if err == nil {
err = sendEmailConfirmationEmail(user, ci, ctxt.RemoteIP())
}
if err == nil {
// user is now logged in! redirect to E-mail verification
ctxt.ReplaceUser(user)
return "redirect", "/verify?tgt=" + url.PathEscape(target), nil
}
}
}
}
return dlg.RenderError(ctxt, err.Error())
}
return dlg.RenderError(ctxt, "No known button click on POST to new account.")
}
return ui.ErrorPage(ctxt, err)
}
func PasswordRecovery(ctxt ui.AmContext) (string, any, error) {
var emailaddy string
uid, err := ctxt.URLParamInt("uid")
if err == nil {
auth, err := ctxt.URLParamInt("auth")
if err == nil {
pchange := database.AmGetPasswordChangeRequest(int32(uid))
if pchange == nil {
return ui.ErrorPage(ctxt, errors.New("password change request not found"))
}
if auth != int(pchange.Authentication) {
return ui.ErrorPage(ctxt, errors.New("invalid password change request"))
}
if time.Now().Compare(pchange.Expires) > 0 {
return ui.ErrorPage(ctxt, errors.New("password change request has expired"))
}
emailaddy = pchange.Email
}
}
if err == nil {
user, err := database.AmGetUser(int32(uid))
if err == nil {
newpass := util.GenerateRandomPassword()
err = user.ChangePassword(newpass, ctxt.RemoteIP())
if err == nil {
// send the password change message
msg := email.AmNewEmailMessage(user.Uid, ctxt.RemoteIP())
msg.AddTo(emailaddy, "")
msg.SetTemplate("pass_change.jet")
msg.AddVariable("username", user.Username)
msg.AddVariable("password", newpass)
msg.Send()
ctxt.VarMap().Set("amsterdam_pageTitle", "Your Password Has Been Changed")
return "framed_template", "password_changed.jet", nil
}
}
}
return ui.ErrorPage(ctxt, err)
}