1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/github.com/pion/webrtc/v3/iceserver.go b/vendor/github.com/pion/webrtc/v3/iceserver.go
new file mode 100644
index 0000000..76146ec
--- /dev/null
+++ b/vendor/github.com/pion/webrtc/v3/iceserver.go
@@ -0,0 +1,68 @@
+// +build !js
+
+package webrtc
+
+import (
+	"github.com/pion/ice/v2"
+	"github.com/pion/webrtc/v3/pkg/rtcerr"
+)
+
+// ICEServer describes a single STUN and TURN server that can be used by
+// the ICEAgent to establish a connection with a peer.
+type ICEServer struct {
+	URLs           []string          `json:"urls"`
+	Username       string            `json:"username,omitempty"`
+	Credential     interface{}       `json:"credential,omitempty"`
+	CredentialType ICECredentialType `json:"credentialType,omitempty"`
+}
+
+func (s ICEServer) parseURL(i int) (*ice.URL, error) {
+	return ice.ParseURL(s.URLs[i])
+}
+
+func (s ICEServer) validate() error {
+	_, err := s.urls()
+	return err
+}
+
+func (s ICEServer) urls() ([]*ice.URL, error) {
+	urls := []*ice.URL{}
+
+	for i := range s.URLs {
+		url, err := s.parseURL(i)
+		if err != nil {
+			return nil, &rtcerr.InvalidAccessError{Err: err}
+		}
+
+		if url.Scheme == ice.SchemeTypeTURN || url.Scheme == ice.SchemeTypeTURNS {
+			// https://www.w3.org/TR/webrtc/#set-the-configuration (step #11.3.2)
+			if s.Username == "" || s.Credential == nil {
+				return nil, &rtcerr.InvalidAccessError{Err: ErrNoTurnCredentials}
+			}
+			url.Username = s.Username
+
+			switch s.CredentialType {
+			case ICECredentialTypePassword:
+				// https://www.w3.org/TR/webrtc/#set-the-configuration (step #11.3.3)
+				password, ok := s.Credential.(string)
+				if !ok {
+					return nil, &rtcerr.InvalidAccessError{Err: ErrTurnCredentials}
+				}
+				url.Password = password
+
+			case ICECredentialTypeOauth:
+				// https://www.w3.org/TR/webrtc/#set-the-configuration (step #11.3.4)
+				if _, ok := s.Credential.(OAuthCredential); !ok {
+					return nil, &rtcerr.InvalidAccessError{Err: ErrTurnCredentials}
+				}
+
+			default:
+				return nil, &rtcerr.InvalidAccessError{Err: ErrTurnCredentials}
+			}
+		}
+
+		urls = append(urls, url)
+	}
+
+	return urls, nil
+}