1 files changed, 129 insertions, 0 deletions
diff --git a/vendor/github.com/pion/stun/textattrs.go b/vendor/github.com/pion/stun/textattrs.go
new file mode 100644
index 0000000..efdfbd9
--- /dev/null
+++ b/vendor/github.com/pion/stun/textattrs.go
@@ -0,0 +1,129 @@
+package stun
+
+// NewUsername returns Username with provided value.
+func NewUsername(username string) Username {
+	return Username(username)
+}
+
+// Username represents USERNAME attribute.
+//
+// RFC 5389 Section 15.3
+type Username []byte
+
+func (u Username) String() string {
+	return string(u)
+}
+
+const maxUsernameB = 513
+
+// AddTo adds USERNAME attribute to message.
+func (u Username) AddTo(m *Message) error {
+	return TextAttribute(u).AddToAs(m, AttrUsername, maxUsernameB)
+}
+
+// GetFrom gets USERNAME from message.
+func (u *Username) GetFrom(m *Message) error {
+	return (*TextAttribute)(u).GetFromAs(m, AttrUsername)
+}
+
+// NewRealm returns Realm with provided value.
+// Must be SASL-prepared.
+func NewRealm(realm string) Realm {
+	return Realm(realm)
+}
+
+// Realm represents REALM attribute.
+//
+// RFC 5389 Section 15.7
+type Realm []byte
+
+func (n Realm) String() string {
+	return string(n)
+}
+
+const maxRealmB = 763
+
+// AddTo adds NONCE to message.
+func (n Realm) AddTo(m *Message) error {
+	return TextAttribute(n).AddToAs(m, AttrRealm, maxRealmB)
+}
+
+// GetFrom gets REALM from message.
+func (n *Realm) GetFrom(m *Message) error {
+	return (*TextAttribute)(n).GetFromAs(m, AttrRealm)
+}
+
+const softwareRawMaxB = 763
+
+// Software is SOFTWARE attribute.
+//
+// RFC 5389 Section 15.10
+type Software []byte
+
+func (s Software) String() string {
+	return string(s)
+}
+
+// NewSoftware returns *Software from string.
+func NewSoftware(software string) Software {
+	return Software(software)
+}
+
+// AddTo adds Software attribute to m.
+func (s Software) AddTo(m *Message) error {
+	return TextAttribute(s).AddToAs(m, AttrSoftware, softwareRawMaxB)
+}
+
+// GetFrom decodes Software from m.
+func (s *Software) GetFrom(m *Message) error {
+	return (*TextAttribute)(s).GetFromAs(m, AttrSoftware)
+}
+
+// Nonce represents NONCE attribute.
+//
+// RFC 5389 Section 15.8
+type Nonce []byte
+
+// NewNonce returns new Nonce from string.
+func NewNonce(nonce string) Nonce {
+	return Nonce(nonce)
+}
+
+func (n Nonce) String() string {
+	return string(n)
+}
+
+const maxNonceB = 763
+
+// AddTo adds NONCE to message.
+func (n Nonce) AddTo(m *Message) error {
+	return TextAttribute(n).AddToAs(m, AttrNonce, maxNonceB)
+}
+
+// GetFrom gets NONCE from message.
+func (n *Nonce) GetFrom(m *Message) error {
+	return (*TextAttribute)(n).GetFromAs(m, AttrNonce)
+}
+
+// TextAttribute is helper for adding and getting text attributes.
+type TextAttribute []byte
+
+// AddToAs adds attribute with type t to m, checking maximum length. If maxLen
+// is less than 0, no check is performed.
+func (v TextAttribute) AddToAs(m *Message, t AttrType, maxLen int) error {
+	if err := CheckOverflow(t, len(v), maxLen); err != nil {
+		return err
+	}
+	m.Add(t, v)
+	return nil
+}
+
+// GetFromAs gets t attribute from m and appends its value to reseted v.
+func (v *TextAttribute) GetFromAs(m *Message, t AttrType) error {
+	a, err := m.Get(t)
+	if err != nil {
+		return err
+	}
+	*v = a
+	return nil
+}