Include the locale inside the User struct
The locale is completely dependent on the user, as much as its email or CSRF token, so it does not make much sense to have it in a separate variable: for different users we might have to use different locales. Also, this means one less variable to pass to handlers, that most of them will need the user at some point or another (i.e., to render its profile icon). The thing is that i can not import `app.User` from the template package because it would create an import cycle. I created the `auth` package just because of that. I thought that the login code would be better moved to the auth package as well, but of course then i would reintroduce the import cycle between auth and template.
This commit is contained in:
parent
1ef6dcc4cf
commit
2f3fc8812d
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@ -6,13 +6,13 @@
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package app
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import (
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"context"
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"net/http"
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"path"
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"strings"
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"golang.org/x/text/language"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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"dev.tandem.ws/tandem/camper/pkg/database"
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httplib "dev.tandem.ws/tandem/camper/pkg/http"
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"dev.tandem.ws/tandem/camper/pkg/locale"
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@ -70,23 +70,21 @@ func (h *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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}
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defer conn.Release()
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cookie := getSessionCookie(r)
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user, err := h.getUser(r.Context(), conn, cookie)
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user, err := h.getUser(r, conn)
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if err != nil {
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panic(err)
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}
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l := h.matchLocale(r, user)
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if head == "login" {
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switch r.Method {
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case http.MethodPost:
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h.handleLogin(w, r, l, conn)
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handleLogin(w, r, user, conn)
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default:
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methodNotAllowed(w, r, http.MethodPost)
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}
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} else {
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if !user.LoggedIn {
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h.serveLoginForm(w, r, l, requestURL)
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serveLoginForm(w, r, user, requestURL)
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return
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}
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@ -94,7 +92,7 @@ func (h *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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case "":
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switch r.Method {
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case http.MethodGet:
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h.serveDashboard(w, r, l)
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h.serveDashboard(w, r, user)
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default:
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methodNotAllowed(w, r, http.MethodGet)
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}
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@ -105,50 +103,6 @@ func (h *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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}
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}
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type User struct {
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Email string
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LoggedIn bool
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Role string
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Language language.Tag
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CsrfToken string
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}
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func (h *App) getUser(ctx context.Context, conn *database.Conn, cookie string) (*User, error) {
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if _, err := conn.Exec(ctx, "select set_cookie($1)", cookie); err != nil {
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conn.Release()
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return nil, err
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}
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user := &User{
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Email: "",
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LoggedIn: false,
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Role: "guest",
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}
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row := conn.QueryRow(ctx, "select coalesce(email, ''), email is not null, role, lang_tag, csrf_token from user_profile")
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var langTag string
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if err := row.Scan(&user.Email, &user.LoggedIn, &user.Role, &langTag, &user.CsrfToken); err != nil {
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return nil, err
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}
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if lang, err := language.Parse(langTag); err == nil {
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user.Language = lang
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} else {
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return nil, err
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}
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return user, nil
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}
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func (h *App) matchLocale(r *http.Request, user *User) *locale.Locale {
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l := h.locales[user.Language]
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if l == nil {
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l = locale.Match(r.Header.Get("Accept-Language"), h.locales, h.languageMatcher)
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if l == nil {
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l = h.defaultLocale
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}
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}
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return l
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}
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func (h *App) serveDashboard(w http.ResponseWriter, _ *http.Request, l *locale.Locale) {
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template.MustRender(w, l, "dashboard.gohtml", nil)
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func (h *App) serveDashboard(w http.ResponseWriter, _ *http.Request, user *auth.User) {
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template.MustRender(w, user, "dashboard.gohtml", nil)
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}
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@ -8,8 +8,8 @@ package app
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import (
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"errors"
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"net/http"
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"time"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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"dev.tandem.ws/tandem/camper/pkg/database"
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"dev.tandem.ws/tandem/camper/pkg/form"
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httplib "dev.tandem.ws/tandem/camper/pkg/http"
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@ -17,10 +17,6 @@ import (
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"dev.tandem.ws/tandem/camper/pkg/template"
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)
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const (
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sessionCookie = "camper-session"
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)
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type loginForm struct {
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Email *form.Input
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Password *form.Input
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@ -64,52 +60,30 @@ func (f *loginForm) Valid(l *locale.Locale) bool {
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return v.AllOK
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}
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func (h *App) serveLoginForm(w http.ResponseWriter, _ *http.Request, l *locale.Locale, requestURL string) {
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func serveLoginForm(w http.ResponseWriter, _ *http.Request, user *auth.User, requestURL string) {
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login := newLoginForm()
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login.Redirect.Val = requestURL
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w.WriteHeader(http.StatusUnauthorized)
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template.MustRender(w, l, "login.gohtml", login)
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template.MustRender(w, user, "login.gohtml", login)
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}
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func (h *App) handleLogin(w http.ResponseWriter, r *http.Request, l *locale.Locale, conn *database.Conn) {
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func handleLogin(w http.ResponseWriter, r *http.Request, user *auth.User, conn *database.Conn) {
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login := newLoginForm()
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if err := login.Parse(r); err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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if login.Valid(l) {
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if login.Valid(user.Locale) {
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cookie := conn.MustGetText(r.Context(), "select login($1, $2, $3)", login.Email, login.Password, httplib.RemoteAddr(r))
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if cookie != "" {
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setSessionCookie(w, cookie)
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auth.SetSessionCookie(w, cookie)
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http.Redirect(w, r, login.Redirect.Val, http.StatusSeeOther)
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return
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}
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login.Error = errors.New(l.Gettext("Invalid user or password."))
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login.Error = errors.New(user.Locale.Gettext("Invalid user or password."))
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w.WriteHeader(http.StatusUnauthorized)
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} else {
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w.WriteHeader(http.StatusUnprocessableEntity)
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}
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template.MustRender(w, l, "login.gohtml", login)
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}
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func setSessionCookie(w http.ResponseWriter, cookie string) {
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http.SetCookie(w, createSessionCookie(cookie, 8766*24*time.Hour))
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}
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func getSessionCookie(r *http.Request) string {
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if cookie, err := r.Cookie(sessionCookie); err == nil {
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return cookie.Value
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}
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return ""
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}
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func createSessionCookie(value string, duration time.Duration) *http.Cookie {
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return &http.Cookie{
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Name: sessionCookie,
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Value: value,
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Path: "/",
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Expires: time.Now().Add(duration),
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HttpOnly: true,
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SameSite: http.SameSiteLaxMode,
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}
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template.MustRender(w, user, "login.gohtml", login)
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}
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@ -0,0 +1,49 @@
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package app
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import (
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"net/http"
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"golang.org/x/text/language"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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"dev.tandem.ws/tandem/camper/pkg/database"
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"dev.tandem.ws/tandem/camper/pkg/locale"
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)
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func (h *App) getUser(r *http.Request, conn *database.Conn) (*auth.User, error) {
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cookie := auth.GetSessionCookie(r)
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if _, err := conn.Exec(r.Context(), "select set_cookie($1)", cookie); err != nil {
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return nil, err
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}
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user := &auth.User{
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Email: "",
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LoggedIn: false,
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Role: "guest",
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}
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row := conn.QueryRow(r.Context(), "select coalesce(email, ''), email is not null, role, lang_tag, csrf_token from user_profile")
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var langTag string
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if err := row.Scan(&user.Email, &user.LoggedIn, &user.Role, &langTag, &user.CsrfToken); err != nil {
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return nil, err
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}
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if lang, err := language.Parse(langTag); err == nil {
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user.Language = lang
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} else {
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return nil, err
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}
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user.Locale = h.locales[user.Language]
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if user.Locale == nil {
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user.Locale = h.matchLocale(r)
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}
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return user, nil
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}
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func (h *App) matchLocale(r *http.Request) *locale.Locale {
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l := locale.Match(r.Header.Get("Accept-Language"), h.locales, h.languageMatcher)
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if l == nil {
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l = h.defaultLocale
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}
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return l
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}
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@ -0,0 +1,50 @@
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/*
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* SPDX-FileCopyrightText: 2023 jordi fita mas <jfita@peritasoft.com>
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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package auth
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import (
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"net/http"
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"time"
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"golang.org/x/text/language"
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"dev.tandem.ws/tandem/camper/pkg/locale"
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)
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const (
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sessionCookie = "camper-session"
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)
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type User struct {
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Email string
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LoggedIn bool
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Role string
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Language language.Tag
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CsrfToken string
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Locale *locale.Locale
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}
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func SetSessionCookie(w http.ResponseWriter, cookie string) {
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http.SetCookie(w, createSessionCookie(cookie, 8766*24*time.Hour))
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}
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func GetSessionCookie(r *http.Request) string {
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if cookie, err := r.Cookie(sessionCookie); err == nil {
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return cookie.Value
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}
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return ""
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}
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func createSessionCookie(value string, duration time.Duration) *http.Cookie {
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return &http.Cookie{
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Name: sessionCookie,
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Value: value,
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Path: "/",
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Expires: time.Now().Add(duration),
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HttpOnly: true,
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SameSite: http.SameSiteLaxMode,
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}
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}
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@ -10,25 +10,25 @@ import (
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"io"
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"net/http"
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"dev.tandem.ws/tandem/camper/pkg/locale"
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"dev.tandem.ws/tandem/camper/pkg/auth"
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)
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func templateFile(name string) string {
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return "web/templates/" + name
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}
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func MustRender(w io.Writer, locale *locale.Locale, filename string, data interface{}) {
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func MustRender(w io.Writer, user *auth.User, filename string, data interface{}) {
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layout := "layout.gohtml"
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mustRenderLayout(w, locale, layout, filename, data)
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mustRenderLayout(w, user, layout, filename, data)
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}
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func mustRenderLayout(w io.Writer, locale *locale.Locale, layout string, filename string, data interface{}) {
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func mustRenderLayout(w io.Writer, user *auth.User, layout string, filename string, data interface{}) {
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t := template.New(filename)
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t.Funcs(template.FuncMap{
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"gettext": locale.Get,
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"pgettext": locale.GetC,
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"gettext": user.Locale.Get,
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"pgettext": user.Locale.GetC,
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"currentLocale": func() string {
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return locale.Language.String()
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return user.Locale.Language.String()
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},
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})
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if _, err := t.ParseFiles(templateFile(layout), templateFile(filename)); err != nil {
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20
po/ca.po
20
po/ca.po
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@ -8,7 +8,7 @@ msgid ""
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msgstr ""
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"Project-Id-Version: camper\n"
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"Report-Msgid-Bugs-To: jordi@tandem.blog\n"
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"POT-Creation-Date: 2023-07-26 01:33+0200\n"
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"POT-Creation-Date: 2023-07-26 11:57+0200\n"
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"PO-Revision-Date: 2023-07-22 23:45+0200\n"
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"Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
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"Language-Team: Catalan <ca@dodds.net>\n"
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@ -18,27 +18,27 @@ msgstr ""
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"Content-Transfer-Encoding: 8bit\n"
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"Plural-Forms: nplurals=2; plural=(n != 1);\n"
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#: web/templates/dashboard.gohtml:2 web/templates/dashboard.gohtml:6
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#: web/templates/dashboard.gohtml:6 web/templates/dashboard.gohtml:10
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msgctxt "title"
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msgid "Dashboard"
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msgstr "Tauler"
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#: web/templates/login.gohtml:2 web/templates/login.gohtml:9
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#: web/templates/login.gohtml:6 web/templates/login.gohtml:13
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msgctxt "title"
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msgid "Login"
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msgstr "Entrada"
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#: web/templates/login.gohtml:18
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#: web/templates/login.gohtml:22
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msgctxt "input"
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msgid "Email"
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msgstr "Correu-e"
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#: web/templates/login.gohtml:27
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#: web/templates/login.gohtml:31
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msgctxt "input"
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msgid "Password"
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msgstr "Contrasenya"
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#: web/templates/login.gohtml:36
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#: web/templates/login.gohtml:40
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msgctxt "action"
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msgid "Login"
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msgstr "Entra"
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@ -47,18 +47,18 @@ msgstr "Entra"
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msgid "Skip to main content"
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msgstr "Salta al contingut principal"
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#: pkg/app/login.go:60
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#: pkg/app/login.go:58
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msgid "Email can not be empty."
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msgstr "No podeu deixar el correu en blanc."
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#: pkg/app/login.go:61
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#: pkg/app/login.go:59
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msgid "This email is not valid. It should be like name@domain.com."
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msgstr "Aquest correu-e no és vàlid. Hauria de ser similar a nom@domini.com."
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#: pkg/app/login.go:63
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#: pkg/app/login.go:61
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msgid "Password can not be empty."
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msgstr "No podeu deixar la contrasenya en blanc."
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|
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#: pkg/app/login.go:86
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#: pkg/app/login.go:85
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msgid "Invalid user or password."
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msgstr "Nom d’usuari o contrasenya incorrectes."
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|
|
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20
po/es.po
20
po/es.po
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|
@ -8,7 +8,7 @@ msgid ""
|
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msgstr ""
|
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"Project-Id-Version: camper\n"
|
||||
"Report-Msgid-Bugs-To: jordi@tandem.blog\n"
|
||||
"POT-Creation-Date: 2023-07-26 01:33+0200\n"
|
||||
"POT-Creation-Date: 2023-07-26 11:57+0200\n"
|
||||
"PO-Revision-Date: 2023-07-22 23:46+0200\n"
|
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"Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
|
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"Language-Team: Spanish <es@tp.org.es>\n"
|
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|
|
@ -18,27 +18,27 @@ msgstr ""
|
|||
"Content-Transfer-Encoding: 8bit\n"
|
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"Plural-Forms: nplurals=2; plural=(n != 1);\n"
|
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|
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#: web/templates/dashboard.gohtml:2 web/templates/dashboard.gohtml:6
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#: web/templates/dashboard.gohtml:6 web/templates/dashboard.gohtml:10
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msgctxt "title"
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msgid "Dashboard"
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msgstr "Panel"
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|
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#: web/templates/login.gohtml:2 web/templates/login.gohtml:9
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#: web/templates/login.gohtml:6 web/templates/login.gohtml:13
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msgctxt "title"
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msgid "Login"
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msgstr "Entrada"
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|
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#: web/templates/login.gohtml:18
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#: web/templates/login.gohtml:22
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msgctxt "input"
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msgid "Email"
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msgstr "Correo-e"
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|
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#: web/templates/login.gohtml:27
|
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#: web/templates/login.gohtml:31
|
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msgctxt "input"
|
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msgid "Password"
|
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msgstr "Contraseña"
|
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|
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#: web/templates/login.gohtml:36
|
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#: web/templates/login.gohtml:40
|
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msgctxt "action"
|
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msgid "Login"
|
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msgstr "Entrar"
|
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|
|
@ -47,18 +47,18 @@ msgstr "Entrar"
|
|||
msgid "Skip to main content"
|
||||
msgstr "Saltar al contenido principal"
|
||||
|
||||
#: pkg/app/login.go:60
|
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#: pkg/app/login.go:58
|
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msgid "Email can not be empty."
|
||||
msgstr "No podéis dejar el correo-e en blanco."
|
||||
|
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#: pkg/app/login.go:61
|
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#: pkg/app/login.go:59
|
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msgid "This email is not valid. It should be like name@domain.com."
|
||||
msgstr "Este correo-e no es válido. Tiene que ser parecido a nombre@dominio.com."
|
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|
||||
#: pkg/app/login.go:63
|
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#: pkg/app/login.go:61
|
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msgid "Password can not be empty."
|
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msgstr "No podéis dejar la contraseña en blanco."
|
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|
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#: pkg/app/login.go:86
|
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#: pkg/app/login.go:85
|
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msgid "Invalid user or password."
|
||||
msgstr "Usuario o contraseña incorrectos."
|
||||
|
|
|
|||
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Reference in New Issue