67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package config
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import (
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"strings"
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)
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// This file contains domain related derived configuration values.
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// HTTPSEnabled returns if the distillery has HTTPS enabled, and false otherwise.
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func (cfg Config) HTTPSEnabled() bool {
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return cfg.CertbotEmail != ""
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}
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// IfHttps returns value when the distillery has https enabled, and the empty string otherwise.
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func (cfg Config) IfHttps(value string) string {
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if !cfg.HTTPSEnabled() {
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return ""
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}
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return value
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}
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// DefaultHost returns the default hostname for the distillery.
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//
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// This consists of the [DefaultDomain] as well as [ExtraDomains].
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// Domain names are concatinated with commas.
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func (cfg Config) DefaultHost() string {
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var builder strings.Builder
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builder.WriteString(cfg.DefaultDomain)
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for _, domain := range cfg.SelfExtraDomains {
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builder.WriteRune(',')
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builder.WriteString(domain)
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}
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return builder.String()
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}
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// DefaultSSLHost returns the default hostname for the ssl version of the distillery.
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//
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// This is exactly [DefaultHost] when SSL is enabled, and the empty string otherwise.
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func (cfg Config) DefaultSSLHost() string {
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return cfg.IfHttps(cfg.DefaultHost())
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}
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// SlugFromHost returns the slug belonging to the appropriate host.'
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//
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// When host is a top-level domain, returns "", true.
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// When no slug is found, returns "", false.
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func (cfg Config) SlugFromHost(host string) (slug string, ok bool) {
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// extract an ':port' that happens to be in the host.
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domain, _, _ := strings.Cut(host, ":")
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domainL := strings.ToLower(domain)
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// check all the possible domain endings
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for _, suffix := range append([]string{cfg.DefaultDomain}, cfg.SelfExtraDomains...) {
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suffixL := strings.ToLower(suffix)
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if domainL == suffixL {
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return "", true
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}
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if strings.HasSuffix(domainL, "."+suffixL) {
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return domain[:len(domain)-len(suffix)-1], true
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}
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}
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// no domain found!
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return "", ok
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}
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