kyle
447842f860
Discover WAN via ddns:<host> then trace:<url> before listen. Persist to self_ip.json. Previous addresses stay denied for keep_previous. Failure keeps the last known set. /healthz reports age and source.
52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
package config
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import (
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"os"
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"time"
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"github.com/pelletier/go-toml/v2"
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)
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// File is the on-disk /etc/sift/config.toml.
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type File struct {
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Listen string `toml:"listen"`
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UserAgent string `toml:"user_agent"`
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DenyPrefixes []string `toml:"deny_prefixes"`
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SelfIP SelfIP `toml:"self_ip"`
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}
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// SelfIP is the [self_ip] block.
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type SelfIP struct {
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Sources []string `toml:"sources"`
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Interval string `toml:"interval"`
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KeepPrevious string `toml:"keep_previous"`
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Path string `toml:"path"`
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}
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// Load reads path. A missing file returns a zero File and a nil error.
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func Load(path string) (File, error) {
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var f File
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b, err := os.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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return f, nil
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}
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return f, err
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}
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if err := toml.Unmarshal(b, &f); err != nil {
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return File{}, err
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}
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return f, nil
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}
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func ParseDuration(s string, def time.Duration) time.Duration {
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if s == "" {
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return def
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}
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d, err := time.ParseDuration(s)
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if err != nil {
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return def
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}
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return d
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}
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