Make it possible to disable registrations

Fix #41

po/de.po

@@ -504,5 +504,9 @@ msgstr ""
 msgid "Send"
 msgstr ""
 
+msgid ""
+"Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr ""
+
 #~ msgid "Your password should be at least 8 characters long"
 #~ msgstr "Das Passwort sollte mindestens 8 Zeichen lang sein"

po/en.po

@@ -493,3 +493,7 @@ msgstr ""
 
 msgid "Send"
 msgstr ""
+
+msgid ""
+"Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr ""

po/fr.po

@@ -500,3 +500,7 @@ msgstr "Fichier"
 
 msgid "Send"
 msgstr "Envoyer"
+
+msgid ""
+"Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr "Désolé, mais les inscriptions sont fermées sur cette instance. Essayez d'en trouver une autre."

po/gl.po

@@ -499,3 +499,7 @@ msgstr ""
 
 msgid "Send"
 msgstr ""
+
+msgid ""
+"Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr ""

po/nb.po

@@ -508,6 +508,10 @@ msgstr ""
 msgid "Send"
 msgstr ""
 
+msgid ""
+"Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr ""
+
 #~ msgid "One reshare"
 #~ msgid_plural "{{ count }} reshares"
 #~ msgstr[0] "Én deling"

po/pl.po

@@ -519,6 +519,10 @@ msgstr ""
 msgid "Send"
 msgstr ""
 
+msgid ""
+"Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr ""
+
 #~ msgid "One reshare"
 #~ msgid_plural "{{ count }} reshares"
 #~ msgstr[0] "Jedno udostępnienie"

po/plume.pot

@@ -483,3 +483,6 @@ msgstr ""
 
 msgid "Send"
 msgstr ""
+
+msgid "Sorry, but registrations are closed on this instance. Try to find another one"
+msgstr ""

src/routes/user.rs

@@ -166,6 +166,7 @@ fn activity_details(name: String, conn: DbConn, _ap: ApRequest) -> ActivityStrea
 #[get("/users/new")]
 fn new(user: Option<User>, conn: DbConn) -> Template {
     Template::render("users/new", json!({
+        "enabled": Instance::get_local(&*conn).map(|i| i.open_registrations).unwrap_or(true),
         "account": user.map(|u| u.to_json(&*conn)),
         "errors": null,
         "form": null
@@ -228,6 +229,10 @@ fn passwords_match(form: &NewUserForm) -> Result<(), ValidationError> {
 
 #[post("/users/new", data = "<data>")]
 fn create(conn: DbConn, data: LenientForm<NewUserForm>) -> Result<Redirect, Template> {
+    if !Instance::get_local(&*conn).map(|i| i.open_registrations).unwrap_or(true) {
+        return Ok(Redirect::to(uri!(new))); // Actually, it is an error
+    }
+
     let form = data.get();
     form.validate()
         .map(|_| {

templates/users/new.html.tera

@@ -6,6 +6,7 @@
 {% endblock title %}
 
 {% block content %}
+    {% if enabled %}
         <h1>{{ "Create an account" | _ }}</h1>
         <form method="post">
             {{ macros::input(name="username", label="Username", errors=errors, form=form, props='minlenght="1"') }}
@@ -15,4 +16,7 @@
 
             <input type="submit" value="{{ "Create account" | _ }}" />
         </form>
+    {% else %}
+        <p class="center">{{ "Sorry, but registrations are closed on this instance. Try to find another one" | _ }}</p>
+    {% endif %}
 {% endblock content %}