HTTP-Upload: parsing max-file-size attribute (#809)

When a server returns multiple <x/> elements
in response to a discinfo query, this change
uses all of them instead of just the first one.

1 files changed, 10 insertions, 8 deletions

diff --git a/xmpp-vala/src/module/xep/0363_http_file_upload.vala b/xmpp-vala/src/module/xep/0363_http_file_upload.vala
index 0a4d2c3f..d3faae2d 100644
--- a/xmpp-vala/src/module/xep/0363_http_file_upload.vala
+++ b/xmpp-vala/src/module/xep/0363_http_file_upload.vala
@@ -154,14 +154,16 @@ public class Module : XmppStreamModule {
 
     private long extract_max_file_size(Xep.ServiceDiscovery.InfoResult info_result) {
         string? max_file_size_str = null;
-        StanzaNode x_node = info_result.iq.stanza.get_deep_subnode("http://jabber.org/protocol/disco#info:query", "jabber:x:data:x");
-        Gee.List<StanzaNode> field_nodes = x_node.get_subnodes("field", "jabber:x:data");
-        foreach (StanzaNode node in field_nodes) {
-            string? var_attr = node.get_attribute("var");
-            if (var_attr == "max-file-size") {
-                StanzaNode value_node = node.get_subnode("value", "jabber:x:data");
-                max_file_size_str = value_node.get_string_content();
-                break;
+        Gee.List<StanzaNode> x_nodes = info_result.iq.stanza.get_deep_subnodes("http://jabber.org/protocol/disco#info:query", "jabber:x:data:x");
+        foreach(StanzaNode x_node in x_nodes) {
+            Gee.List<StanzaNode> field_nodes = x_node.get_subnodes("field", "jabber:x:data");
+            foreach (StanzaNode node in field_nodes) {
+                string? var_attr = node.get_attribute("var");
+                if (var_attr == "max-file-size") {
+                    StanzaNode value_node = node.get_subnode("value", "jabber:x:data");
+                    max_file_size_str = value_node.get_string_content();
+                    break;
+                }
             }
         }
         if (max_file_size_str != null) return long.parse(max_file_size_str);