74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
package params
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import (
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"fmt"
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"net"
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"strings"
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libparams "github.com/qdm12/golibs/params"
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"github.com/qdm12/private-internet-access-docker/internal/models"
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)
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// GetUser obtains the user to use to connect to the VPN servers
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func (p *paramsReader) GetUser() (s string, err error) {
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defer func() {
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unsetenvErr := p.unsetEnv("USER")
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if err == nil {
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err = unsetenvErr
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}
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}()
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return p.envParams.GetEnv("USER", libparams.CaseSensitiveValue(), libparams.Compulsory())
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}
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// GetPassword obtains the password to use to connect to the VPN servers
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func (p *paramsReader) GetPassword() (s string, err error) {
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defer func() {
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unsetenvErr := p.unsetEnv("PASSWORD")
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if err == nil {
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err = unsetenvErr
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}
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}()
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return p.envParams.GetEnv("PASSWORD", libparams.CaseSensitiveValue(), libparams.Compulsory())
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}
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// GetNetworkProtocol obtains the network protocol to use to connect to the
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// VPN servers from the environment variable PROTOCOL
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func (p *paramsReader) GetNetworkProtocol() (protocol models.NetworkProtocol, err error) {
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s, err := p.envParams.GetValueIfInside("PROTOCOL", []string{"tcp", "udp"}, libparams.Default("udp"))
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return models.NetworkProtocol(s), err
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}
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// GetOpenVPNVerbosity obtains the verbosity level for verbosity between 0 and 6
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// from the environment variable OPENVPN_VERBOSITY
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func (p *paramsReader) GetOpenVPNVerbosity() (verbosity int, err error) {
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return p.envParams.GetEnvIntRange("OPENVPN_VERBOSITY", 0, 6, libparams.Default("1"))
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}
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// GetOpenVPNRoot obtains if openvpn should be run as root
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// from the environment variable OPENVPN_ROOT
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func (p *paramsReader) GetOpenVPNRoot() (root bool, err error) {
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return p.envParams.GetYesNo("OPENVPN_ROOT", libparams.Default("no"))
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}
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// GetTargetIP obtains the IP address to choose from the list of IP addresses
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// available for a particular region, from the environment variable
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// OPENVPN_TARGET_IP
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func (p *paramsReader) GetTargetIP() (ip net.IP, err error) {
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s, err := p.envParams.GetEnv("OPENVPN_TARGET_IP")
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if len(s) == 0 {
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return nil, nil
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}
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ip = net.ParseIP(s)
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if ip == nil {
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return nil, fmt.Errorf("target IP address %q is not valid", s)
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}
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return ip, nil
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}
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// GetOpenVPNCipher obtains a custom cipher to use with OpenVPN
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// from the environment variable OPENVPN_CIPHER
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func (p *paramsReader) GetOpenVPNCipher() (cipher string, err error) {
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cipher, err = p.envParams.GetEnv("OPENVPN_CIPHER")
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return strings.ToLower(cipher), err
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}
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