Client: Split client id and discovery functions

1 files changed, 68 insertions, 0 deletions

diff --git a/client/id.go b/client/id.go
new file mode 100644
index 0000000..b4e1670
--- /dev/null
+++ b/client/id.go
@@ -0,0 +1,68 @@
+package client
+
+// isAllowedClientID checks if the 'clientID' is in the list of allowed client IDs
+func isAllowedClientID(clientID string) bool {
+	allowList := []string{
+		// eduVPN
+		"org.eduvpn.app.windows",
+		"org.eduvpn.app.android",
+		"org.eduvpn.app.ios",
+		"org.eduvpn.app.macos",
+		"org.eduvpn.app.linux",
+		// Let's Connect!
+		"org.letsconnect-vpn.app.windows",
+		"org.letsconnect-vpn.app.android",
+		"org.letsconnect-vpn.app.ios",
+		"org.letsconnect-vpn.app.macos",
+		"org.letsconnect-vpn.app.linux",
+		// govVPN
+		"org.govvpn.app.windows",
+		"org.govvpn.app.android",
+		"org.govvpn.app.ios",
+		"org.govvpn.app.macos",
+		"org.govvpn.app.linux",
+	}
+	for _, x := range allowList {
+		if x == clientID {
+			return true
+		}
+	}
+	return false
+}
+
+func userAgentName(clientID string) string {
+	switch clientID {
+	case "org.eduvpn.app.windows":
+		return "eduVPN for Windows"
+	case "org.eduvpn.app.android":
+		return "eduVPN for Android"
+	case "org.eduvpn.app.ios":
+		return "eduVPN for iOS"
+	case "org.eduvpn.app.macos":
+		return "eduVPN for macOS"
+	case "org.eduvpn.app.linux":
+		return "eduVPN for Linux"
+	case "org.letsconnect-vpn.app.windows":
+		return "Let's Connect! for Windows"
+	case "org.letsconnect-vpn.app.android":
+		return "Let's Connect! for Android"
+	case "org.letsconnect-vpn.app.ios":
+		return "Let's Connect! for iOS"
+	case "org.letsconnect-vpn.app.macos":
+		return "Let's Connect! for macOS"
+	case "org.letsconnect-vpn.app.linux":
+		return "Let's Connect! for Linux"
+	case "org.govvpn.app.windows":
+		return "govVPN for Windows"
+	case "org.govvpn.app.android":
+		return "govVPN for Android"
+	case "org.govvpn.app.ios":
+		return "govVPN for iOS"
+	case "org.govvpn.app.macos":
+		return "govVPN for macOS"
+	case "org.govvpn.app.linux":
+		return "govVPN for Linux"
+	default:
+		return "unknown"
+	}
+}