Move sieve script generation to the admin container

core/admin/mailu/internal/__init__.py

@@ -6,7 +6,7 @@ import socket
 import flask
 
 
-internal = flask.Blueprint('internal', __name__)
+internal = flask.Blueprint('internal', __name__, template_folder='templates')
 
 @internal.app_errorhandler(RateLimitExceeded)
 def rate_limit_handler(e):

core/admin/mailu/internal/templates/default.sieve

@@ -0,0 +1,40 @@
+require "variables";
+require "vacation";
+require "fileinto";
+require "envelope";
+require "mailbox";
+require "imap4flags";
+require "regex";
+require "relational";
+require "date";
+require "comparator-i;ascii-numeric";
+require "spamtestplus";
+require "editheader";
+require "index";
+
+if header :index 2 :matches "Received" "from * by * for <*>; *"
+{
+  deleteheader "Delivered-To";
+  addheader "Delivered-To" "<${3}>";
+}
+
+{% if user.spam_enabled %}
+if spamtest :percent :value "gt" :comparator "i;ascii-numeric"  "{{ user.spam_threshold }}"
+{
+  setflag "\\seen";
+  fileinto :create "Junk";
+  stop;
+}
+{% endif %}
+
+if exists "X-Virus" {
+  discard;
+  stop;
+}
+
+{% if user.reply_enabled %}
+if currentdate :value "le" "date" "{{ user.reply_enddate }}"
+{
+ vacation :days 1 :subject "{{ user.reply_subject }}" "{{ user.reply_body }}";
+}
+{% endif %}

core/admin/mailu/internal/views.py

@@ -122,7 +122,7 @@ def dovecot_quota(ns, user_email):
 def dovecot_sieve(script, user_email):
     user = models.User.query.get(user_email) or flask.abort(404)
     if script == "default":
-        pass
+        return flask.jsonify(flask.render_template("default.sieve"))
     else:
         flask.abort(404)