7369808b84
- Goal was to simplify main.go complexity - Use common structures and interfaces for all vpn providers - Moved files around - Removed some alias models
69 lines
2.4 KiB
Go
69 lines
2.4 KiB
Go
package params
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import (
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"fmt"
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"math/rand"
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libparams "github.com/qdm12/golibs/params"
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"github.com/qdm12/private-internet-access-docker/internal/constants"
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"github.com/qdm12/private-internet-access-docker/internal/models"
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)
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// GetPortForwarding obtains if port forwarding on the VPN provider server
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// side is enabled or not from the environment variable PORT_FORWARDING
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func (r *reader) GetPortForwarding() (activated bool, err error) {
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s, err := r.envParams.GetEnv("PORT_FORWARDING", libparams.Default("off"))
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if err != nil {
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return false, err
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}
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// Custom for retro-compatibility
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if s == "false" || s == "off" {
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return false, nil
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} else if s == "true" || s == "on" {
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return true, nil
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}
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return false, fmt.Errorf("PORT_FORWARDING can only be \"on\" or \"off\"")
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}
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// GetPortForwardingStatusFilepath obtains the port forwarding status file path
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// from the environment variable PORT_FORWARDING_STATUS_FILE
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func (r *reader) GetPortForwardingStatusFilepath() (filepath models.Filepath, err error) {
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filepathStr, err := r.envParams.GetPath("PORT_FORWARDING_STATUS_FILE", libparams.Default("/forwarded_port"), libparams.CaseSensitiveValue())
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return models.Filepath(filepathStr), err
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}
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// GetPIAEncryptionPreset obtains the encryption level for the PIA connection
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// from the environment variable PIA_ENCRYPTION, and using ENCRYPTION for
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// retro compatibility
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func (r *reader) GetPIAEncryptionPreset() (preset string, err error) {
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// Retro-compatibility
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s, err := r.envParams.GetValueIfInside("ENCRYPTION", []string{
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constants.PIAEncryptionPresetNormal,
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constants.PIAEncryptionPresetStrong,
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""})
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if err != nil {
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return "", err
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} else if len(s) != 0 {
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r.logger.Warn("You are using the old environment variable ENCRYPTION, please consider changing it to PIA_ENCRYPTION")
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return s, nil
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}
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return r.envParams.GetValueIfInside(
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"PIA_ENCRYPTION",
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[]string{
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constants.PIAEncryptionPresetNormal,
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constants.PIAEncryptionPresetStrong,
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},
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libparams.Default(constants.PIAEncryptionPresetStrong))
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}
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// GetPIARegion obtains the region for the PIA server from the
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// environment variable REGION
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func (r *reader) GetPIARegion() (region string, err error) {
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choices := append(constants.PIAGeoChoices(), "")
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s, err := r.envParams.GetValueIfInside("REGION", choices)
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if len(s) == 0 { // Suggestion by @rorph https://github.com/rorph
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s = choices[rand.Int()%len(choices)] //nolint:gosec
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}
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return s, err
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}
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