102 lines
3.4 KiB
Go
102 lines
3.4 KiB
Go
package config
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import (
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"fmt"
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"strings"
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"github.com/tkw1536/pkglib/collection"
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)
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type HTTPConfig struct {
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// Each created Drupal Instance corresponds to a single domain name.
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// These domain names should either be a complete domain name or a sub-domain of a default domain.
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// This setting configures the default domain-name to create subdomains of.
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PrimaryDomain string `yaml:"domain" default:"localhost.kwarc.info" validate:"domain"`
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// By default, only the 'self' domain above is caught.
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// To catch additional domains, add them here (comma seperated)
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ExtraDomains []string `yaml:"domains" validate:"domains"`
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// The system can support setting up certificate(s) automatically.
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// It can be enabled by setting an email for certbot certificates.
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// This email address can be configured here.
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CertbotEmail string `yaml:"certbot_email" validate:"email"`
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}
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// TCPMuxCommand generates a command line for the sslh executable.
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func (hcfg HTTPConfig) TCPMuxCommand(addr string, http string, https string, ssh string) string {
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if hcfg.HTTPSEnabled() {
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return fmt.Sprintf("-bind %s -http %s -tls %s -rest %s", addr, http, https, ssh)
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}
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return fmt.Sprintf("-bind %s -http %s -rest %s", addr, http, ssh)
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}
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// HTTPSEnabled returns if the distillery has HTTPS enabled, and false otherwise.
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func (hcfg HTTPConfig) HTTPSEnabled() bool {
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return hcfg.CertbotEmail != ""
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}
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// HTTPSEnabledEnv returns "true" if https is enabled, and "false" otherwise.
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func (hcfg HTTPConfig) HTTPSEnabledEnv() string {
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if hcfg.HTTPSEnabled() {
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return "true"
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}
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return "false"
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}
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// HostFromSlug returns the hostname belonging to a given slug.
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// When the slug is empty, returns the default (top-level) domain.
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func (cfg HTTPConfig) HostFromSlug(slug string) string {
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if slug == "" {
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return cfg.PrimaryDomain
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}
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return fmt.Sprintf("%s.%s", slug, cfg.PrimaryDomain)
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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 HTTPConfig) 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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domain = TrimSuffixFold(domain, ".wisski") // remove optional ".wisski" ending that is used inside docker
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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.PrimaryDomain}, cfg.ExtraDomains...) {
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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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func TrimSuffixFold(s string, suffix string) string {
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if len(s) >= len(suffix) && strings.EqualFold(s[len(s)-len(suffix):], suffix) {
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return s[:len(s)-len(suffix)]
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}
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return s
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}
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// HostRule returns a traefik rule for the given names
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// TODO: Move this over!
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func HostRule(names ...string) string {
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quoted := collection.MapSlice(names, func(name string) string {
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return "`" + name + "`"
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})
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return fmt.Sprintf("Host(%s)", strings.Join(quoted, ","))
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}
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// DefaultHostRule returns the default traefik hostname rule for this distillery.
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// This consists of the [DefaultDomain] as well as [ExtraDomains].
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func (cfg HTTPConfig) DefaultHostRule() string {
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return HostRule(append([]string{cfg.PrimaryDomain}, cfg.ExtraDomains...)...)
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}
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