Feat: ExpressVPN support (#623)

internal/provider/expressvpn/connection.go

@@ -0,0 +1,44 @@
+package expressvpn
+
+import (
+	"github.com/qdm12/gluetun/internal/configuration"
+	"github.com/qdm12/gluetun/internal/models"
+	"github.com/qdm12/gluetun/internal/provider/utils"
+)
+
+func (p *Provider) GetConnection(selection configuration.ServerSelection) (
+	connection models.Connection, err error) {
+	port := getPort(selection)
+	protocol := utils.GetProtocol(selection)
+
+	servers, err := p.filterServers(selection)
+	if err != nil {
+		return connection, err
+	}
+
+	var connections []models.Connection
+	for _, server := range servers {
+		for _, IP := range server.IPs {
+			connection := models.Connection{
+				Type:     selection.VPN,
+				IP:       IP,
+				Port:     port,
+				Protocol: protocol,
+				Hostname: server.Hostname,
+			}
+			connections = append(connections, connection)
+		}
+	}
+
+	return utils.PickConnection(connections, selection, p.randSource)
+}
+
+func getPort(selection configuration.ServerSelection) (port uint16) {
+	const (
+		defaultOpenVPNTCP = 0
+		defaultOpenVPNUDP = 1195
+		defaultWireguard  = 0
+	)
+	return utils.GetPort(selection, defaultOpenVPNTCP,
+		defaultOpenVPNUDP, defaultWireguard)
+}