camper/pkg/app/login.go

103 lines
2.7 KiB
Go

/*
* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
* SPDX-License-Identifier: AGPL-3.0-only
*/
package app
import (
"errors"
"net/http"
"dev.tandem.ws/tandem/camper/pkg/auth"
"dev.tandem.ws/tandem/camper/pkg/database"
"dev.tandem.ws/tandem/camper/pkg/form"
httplib "dev.tandem.ws/tandem/camper/pkg/http"
"dev.tandem.ws/tandem/camper/pkg/locale"
"dev.tandem.ws/tandem/camper/pkg/template"
)
type loginForm struct {
Email *form.Input
Password *form.Input
Redirect *form.Input
Error error
}
func newLoginForm() *loginForm {
return &loginForm{
Email: &form.Input{
Name: "email",
},
Password: &form.Input{
Name: "password",
},
Redirect: &form.Input{
Name: "redirect",
},
}
}
func (f *loginForm) Parse(r *http.Request) error {
if err := r.ParseForm(); err != nil {
return err
}
f.Email.FillValue(r)
f.Password.FillValue(r)
f.Redirect.FillValue(r)
if f.Redirect.Val == "" {
f.Redirect.Val = "/"
}
return nil
}
func (f *loginForm) Valid(l *locale.Locale) bool {
v := form.NewValidator(l)
if v.CheckRequired(f.Email, l.GettextNoop("Email can not be empty.")) {
v.CheckValidEmail(f.Email, l.GettextNoop("This email is not valid. It should be like name@domain.com."))
}
v.CheckRequired(f.Password, l.GettextNoop("Password can not be empty."))
return v.AllOK
}
func (f *loginForm) MustRender(w http.ResponseWriter, r *http.Request, user *auth.User) {
template.MustRender(w, r, user, "login.gohtml", f)
}
func serveLoginForm(w http.ResponseWriter, r *http.Request, user *auth.User, redirectPath string) {
login := newLoginForm()
login.Redirect.Val = redirectPath
login.MustRender(w, r, user)
}
func handleLogin(w http.ResponseWriter, r *http.Request, user *auth.User, conn *database.Conn) {
login := newLoginForm()
if err := login.Parse(r); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
if login.Valid(user.Locale) {
cookie := conn.MustGetText(r.Context(), "select login($1, $2, $3)", login.Email, login.Password, httplib.RemoteAddr(r))
if cookie != "" {
auth.SetSessionCookie(w, cookie)
httplib.Redirect(w, r, login.Redirect.Val, http.StatusSeeOther)
return
}
login.Error = errors.New(user.Locale.Gettext("Invalid user or password."))
w.WriteHeader(http.StatusUnauthorized)
} else {
w.WriteHeader(http.StatusUnprocessableEntity)
}
login.MustRender(w, r, user)
}
func handleLogout(w http.ResponseWriter, r *http.Request, user *auth.User, conn *database.Conn) {
if err := user.VerifyCSRFToken(r); err != nil {
http.Error(w, err.Error(), http.StatusForbidden)
return
}
conn.MustExec(r.Context(), "select logout()")
auth.DeleteSessionCookie(w)
httplib.Redirect(w, r, "/login", http.StatusSeeOther)
}