ecc80a5a9e
- drop qdm12/govalid dependency - upgrade qdm12/ss-server to v0.6.0 - do not unset sensitive config settings (makes no sense to me)
84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package settings
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import (
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"fmt"
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"net"
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"os"
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"strconv"
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"github.com/qdm12/gosettings"
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"github.com/qdm12/gosettings/reader"
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"github.com/qdm12/gotree"
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)
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// ControlServer contains settings to customize the control server operation.
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type ControlServer struct {
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// Address is the listening address to use.
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// It cannot be nil in the internal state.
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Address *string
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// Log can be true or false to enable logging on requests.
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// It cannot be nil in the internal state.
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Log *bool
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}
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func (c ControlServer) validate() (err error) {
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_, portStr, err := net.SplitHostPort(*c.Address)
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if err != nil {
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return fmt.Errorf("listening address is not valid: %w", err)
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}
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port, err := strconv.Atoi(portStr)
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if err != nil {
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return fmt.Errorf("listening port it not valid: %w", err)
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}
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uid := os.Getuid()
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const maxPrivilegedPort = 1023
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if uid != 0 && port != 0 && port <= maxPrivilegedPort {
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return fmt.Errorf("%w: %d when running with user ID %d",
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ErrControlServerPrivilegedPort, port, uid)
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}
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return nil
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}
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func (c *ControlServer) copy() (copied ControlServer) {
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return ControlServer{
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Address: gosettings.CopyPointer(c.Address),
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Log: gosettings.CopyPointer(c.Log),
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}
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}
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// overrideWith overrides fields of the receiver
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// settings object with any field set in the other
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// settings.
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func (c *ControlServer) overrideWith(other ControlServer) {
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c.Address = gosettings.OverrideWithPointer(c.Address, other.Address)
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c.Log = gosettings.OverrideWithPointer(c.Log, other.Log)
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}
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func (c *ControlServer) setDefaults() {
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c.Address = gosettings.DefaultPointer(c.Address, ":8000")
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c.Log = gosettings.DefaultPointer(c.Log, true)
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}
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func (c ControlServer) String() string {
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return c.toLinesNode().String()
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}
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func (c ControlServer) toLinesNode() (node *gotree.Node) {
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node = gotree.New("Control server settings:")
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node.Appendf("Listening address: %s", *c.Address)
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node.Appendf("Logging: %s", gosettings.BoolToYesNo(c.Log))
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return node
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}
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func (c *ControlServer) read(r *reader.Reader) (err error) {
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c.Log, err = r.BoolPtr("HTTP_CONTROL_SERVER_LOG")
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if err != nil {
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return err
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}
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c.Address = r.Get("HTTP_CONTROL_SERVER_ADDRESS")
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return nil
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}
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