diff options
Diffstat (limited to 'xmpp/sasl.go')
-rw-r--r-- | xmpp/sasl.go | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/xmpp/sasl.go b/xmpp/sasl.go index 8687782..e06bcd5 100644 --- a/xmpp/sasl.go +++ b/xmpp/sasl.go @@ -34,3 +34,33 @@ func (s *session) sasl() { } } } + +// hasSaslPlain scans the given stream features XML element for the SASL PLAIN +// mechanism which is supported by xengineering.eu/limox/xmpp. It returns true +// if the stream has support for this mechanism and false otherwise. +func hasSaslPlain(e []xml.Token) bool { + mechanism := xml.Name{`urn:ietf:params:xml:ns:xmpp-sasl`, `mechanism`} + + for i, t := range e { + switch s := t.(type) { + case xml.StartElement: + if s.Name == mechanism { + if i+1 < len(e) { + subtype := func() string { + switch c := e[i+1].(type) { + case xml.CharData: + return string(c) + default: + return "" + } + }() + if subtype == `PLAIN` { + return true + } + } + } + } + } + + return false +} |