generalized implementation of public/private share (#34)

sdk/config.go

@@ -0,0 +1,30 @@
+package sdk
+
+import "github.com/pkg/errors"
+
+const ZrokProxyConfig = "zrok.proxy.v1"
+
+type ProxyConfig struct {
+	AuthScheme AuthScheme `json:"auth_scheme"`
+	BasicAuth  *BasicAuth `json:"basic_auth"`
+}
+
+type BasicAuth struct {
+	Users []*AuthUser `json:"users"`
+}
+
+type AuthUser struct {
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+func ParseAuthScheme(authScheme string) (AuthScheme, error) {
+	switch authScheme {
+	case string(None):
+		return None, nil
+	case string(Basic):
+		return Basic, nil
+	default:
+		return None, errors.Errorf("unknown auth scheme '%v'", authScheme)
+	}
+}