Files
gluetun/internal/params/pia.go
2020-02-22 15:43:33 +00:00

52 lines
2.0 KiB
Go

package params
import (
"fmt"
"math/rand"
libparams "github.com/qdm12/golibs/params"
"github.com/qdm12/private-internet-access-docker/internal/constants"
"github.com/qdm12/private-internet-access-docker/internal/models"
)
// GetPortForwarding obtains if port forwarding on the VPN provider server
// side is enabled or not from the environment variable PORT_FORWARDING
func (p *paramsReader) GetPortForwarding() (activated bool, err error) {
s, err := p.envParams.GetEnv("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 (p *paramsReader) GetPortForwardingStatusFilepath() (filepath models.Filepath, err error) {
filepathStr, err := p.envParams.GetPath("PORT_FORWARDING_STATUS_FILE", libparams.Default("/forwarded_port"), libparams.CaseSensitiveValue())
return models.Filepath(filepathStr), err
}
// GetPIAEncryption obtains the encryption level for the PIA connection
// from the environment variable ENCRYPTION
func (p *paramsReader) GetPIAEncryption() (models.PIAEncryption, error) {
s, err := p.envParams.GetValueIfInside("ENCRYPTION", []string{"normal", "strong"}, libparams.Default("strong"))
return models.PIAEncryption(s), err
}
// GetPIARegion obtains the region for the PIA server from the
// environment variable REGION
func (p *paramsReader) GetPIARegion() (region models.PIARegion, err error) {
choices := append(constants.PIAGeoChoices(), "")
s, err := p.envParams.GetValueIfInside("REGION", choices)
if len(s) == 0 { // Suggestion by @rorph https://github.com/rorph
s = choices[rand.Int()%len(choices)]
}
return models.PIARegion(s), err
}