Files
gluetun/internal/params/pia.go
2021-01-31 01:27:13 +00:00

73 lines
2.4 KiB
Go

package params
import (
"fmt"
"github.com/qdm12/gluetun/internal/constants"
"github.com/qdm12/gluetun/internal/models"
libparams "github.com/qdm12/golibs/params"
)
// GetPortForwarding obtains if port forwarding on the VPN provider server
// side is enabled or not from the environment variable PORT_FORWARDING
// Only valid for older PIA servers for now.
func (r *reader) GetPortForwarding() (activated bool, err error) {
s, err := r.env.Get("PORT_FORWARDING", libparams.Default("off"))
if err != nil {
return false, err
}
// Custom for retro-compatibility
if s == "false" || s == "off" {
return false, nil
} else if s == "true" || s == "on" {
return true, nil
}
return false, fmt.Errorf("PORT_FORWARDING can only be \"on\" or \"off\"")
}
// GetPortForwardingStatusFilepath obtains the port forwarding status file path
// from the environment variable PORT_FORWARDING_STATUS_FILE.
func (r *reader) GetPortForwardingStatusFilepath() (filepath models.Filepath, err error) {
filepathStr, err := r.env.Path(
"PORT_FORWARDING_STATUS_FILE",
libparams.Default("/tmp/gluetun/forwarded_port"),
libparams.CaseSensitiveValue())
return models.Filepath(filepathStr), err
}
// GetPIAEncryptionPreset obtains the encryption level for the PIA connection
// from the environment variable PIA_ENCRYPTION, and using ENCRYPTION for
// retro compatibility.
func (r *reader) GetPIAEncryptionPreset() (preset string, err error) {
// Retro-compatibility
s, err := r.env.Inside("ENCRYPTION", []string{
constants.PIAEncryptionPresetNormal,
constants.PIAEncryptionPresetStrong})
if err != nil {
return "", err
} else if len(s) != 0 {
r.logger.Warn("You are using the old environment variable ENCRYPTION, please consider changing it to PIA_ENCRYPTION")
return s, nil
}
return r.env.Inside(
"PIA_ENCRYPTION",
[]string{
constants.PIAEncryptionPresetNormal,
constants.PIAEncryptionPresetStrong,
},
libparams.Default(constants.PIAEncryptionPresetStrong))
}
// GetPIARegions obtains the regions for the PIA servers from the
// environment variable REGION.
func (r *reader) GetPIARegions() (regions []string, err error) {
return r.env.CSVInside("REGION", constants.PIAGeoChoices())
}
// GetPIAPort obtains the port to reach the PIA server on from the
// environment variable PORT.
func (r *reader) GetPIAPort() (port uint16, err error) {
n, err := r.env.IntRange("PORT", 0, 65535, libparams.Default("0"))
return uint16(n), err
}