63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package settings
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import (
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"fmt"
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"net"
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"strings"
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"github.com/qdm12/private-internet-access-docker/internal/params"
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)
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// Firewall contains settings to customize the firewall operation
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type Firewall struct {
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AllowedSubnets []net.IPNet
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VPNInputPorts []uint16
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Enabled bool
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Debug bool
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}
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func (f *Firewall) String() string {
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allowedSubnets := make([]string, len(f.AllowedSubnets))
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for i := range f.AllowedSubnets {
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allowedSubnets[i] = f.AllowedSubnets[i].String()
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}
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if !f.Enabled {
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return "Firewall settings: disabled"
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}
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vpnInputPorts := make([]string, len(f.VPNInputPorts))
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for i, port := range f.VPNInputPorts {
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vpnInputPorts[i] = fmt.Sprintf("%d", port)
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}
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settingsList := []string{
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"Firewall settings:",
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"Allowed subnets: " + strings.Join(allowedSubnets, ", "),
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"VPN input ports: " + strings.Join(vpnInputPorts, ", "),
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}
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if f.Debug {
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settingsList = append(settingsList, "Debug: on")
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}
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return strings.Join(settingsList, "\n |--")
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}
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// GetFirewallSettings obtains firewall settings from environment variables using the params package.
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func GetFirewallSettings(paramsReader params.Reader) (settings Firewall, err error) {
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settings.AllowedSubnets, err = paramsReader.GetExtraSubnets()
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if err != nil {
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return settings, err
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}
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settings.VPNInputPorts, err = paramsReader.GetVPNInputPorts()
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if err != nil {
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return settings, err
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}
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settings.Enabled, err = paramsReader.GetFirewall()
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if err != nil {
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return settings, err
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}
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settings.Debug, err = paramsReader.GetFirewallDebug()
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if err != nil {
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return settings, err
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}
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return settings, nil
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}
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