[Minor] Add `is_empty_body` regexp function

diff --git a/src/libmime/mime_expressions.c b/src/libmime/mime_expressions.c
index c33d852be1e595bce237f1debae93486abb60386..7e6816170b4b8d73435a2a4d6e3fcc8db60efd91 100644 (file)
--- a/src/libmime/mime_expressions.c
+++ b/src/libmime/mime_expressions.c
@@ -77,6 +77,9 @@ static gboolean rspamd_has_content_part (struct rspamd_task *task,
 static gboolean rspamd_has_content_part_len (struct rspamd_task *task,
        GArray * args,
        void *unused);
+static gboolean rspamd_is_empty_body (struct rspamd_task *task,
+               GArray * args,
+               void *unused);
 
 static rspamd_expression_atom_t * rspamd_mime_expr_parse (const gchar *line, gsize len,
                rspamd_mempool_t *pool, gpointer ud, GError **err);
@@ -145,6 +148,7 @@ static struct _fl {
        {"has_html_tag", rspamd_has_html_tag, NULL},
        {"has_only_html_part", rspamd_has_only_html_part, NULL},
        {"header_exists", rspamd_header_exists, NULL},
+       {"is_empty_body", rspamd_is_empty_body, NULL},
        {"is_html_balanced", rspamd_is_html_balanced, NULL},
        {"is_recipients_sorted", rspamd_is_recipients_sorted, NULL},
        {"raw_header_exists", rspamd_raw_header_exists, NULL}
@@ -1949,3 +1953,20 @@ rspamd_has_content_part_len (struct rspamd_task * task,
 
        return common_has_content_part (task, param_type, param_subtype, min, max);
 }
+
+static gboolean
+rspamd_is_empty_body (struct rspamd_task *task,
+               GArray * args,
+               void *unused)
+{
+       struct rspamd_mime_part *part;
+       guint i;
+
+       PTR_ARRAY_FOREACH (task->parts, i, part) {
+               if (part->parsed_data.len > 0) {
+                       return FALSE;
+               }
+       }
+
+       return TRUE;
+}
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