/
webserver.go
151 lines (139 loc) · 3.11 KB
/
webserver.go
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package webserver
import (
"fmt"
"github.com/1k-off/dev-helper-bot/internal/entities"
caddy_svc "github.com/1k-off/dev-helper-bot/internal/webserver/caddy-svc"
"github.com/1k-off/dev-helper-bot/internal/webserver/nginx"
"github.com/rs/zerolog/log"
"html/template"
"net"
"os"
"strconv"
)
type IP struct {
Allowed []*net.IPNet
Denied []net.IP
}
var (
privateIPBlocks []*net.IPNet
sysIP IP
Debug bool
)
type Webserver interface {
Create(c *entities.Domain) error
Delete(domain string) error
}
type Server struct {
kind string
templatePath string
}
func init() {
debugModeString := os.Getenv("OOOPS_DEBUG")
d, err := strconv.ParseBool(debugModeString)
if err != nil {
Debug = false
log.Err(err).Msg("Error parsing OOOPS_DEBUG env variable")
}
Debug = d
for _, cidr := range []string{
"127.0.0.0/8", // IPv4 loopback
"10.0.0.0/8", // RFC1918
"172.16.0.0/12", // RFC1918
"192.168.0.0/16", // RFC1918
"169.254.0.0/16", // RFC3927 link-local
"::1/128", // IPv6 loopback
"fe80::/10", // IPv6 link-local
"fc00::/7", // IPv6 unique local addr
} {
_, block, err := net.ParseCIDR(cidr)
if err != nil {
panic(fmt.Errorf("parse error on %q: %v", cidr, err))
}
privateIPBlocks = append(privateIPBlocks, block)
}
}
func New(s string) *Server {
if _, err := os.Stat(configBasePath + s); os.IsNotExist(err) {
err := os.Mkdir(configBasePath+s, os.ModeDir)
if err != nil {
log.Fatal().Err(err).Msg("Error creating config directory")
return nil
}
}
return &Server{
kind: s,
templatePath: "./config/" + s + ".conf.tpl",
}
}
func (s *Server) Create(c *entities.Domain) error {
ba := "Restricted"
if !c.BasicAuth {
ba = "off"
}
scheme := SchemeHttp
if c.FullSsl {
scheme = SchemeHttps
if c.Port == "" || c.Port == "80" {
c.Port = "443"
}
} else {
if c.Port == "" || c.Port == "443" {
c.Port = "80"
}
}
configData := map[string]string{
"ip": c.IP,
"domain": c.FQDN,
"basicauth": ba,
"scheme": scheme,
"port": c.Port,
}
if _, err := os.Stat(configBasePath + s.kind + "/" + c.FQDN); os.IsNotExist(err) {
t, err := template.ParseFiles(s.templatePath)
if err != nil {
return err
}
f, err := os.Create(configBasePath + s.kind + "/" + c.FQDN)
if err != nil {
return err
}
err = t.Execute(f, configData)
if err != nil {
return err
}
err = f.Close()
if err != nil {
return err
}
if !Debug {
if err := s.reload(); err != nil {
return err
}
}
log.Info().Msg(fmt.Sprintf("[%s] created config. ClientIP: %v, Domain: %s.", s.kind, c.IP, c.FQDN))
return nil
} else {
return ErrConfigExists
}
}
func (s *Server) Delete(domain string) error {
if err := os.Remove(configBasePath + s.kind + "/" + domain); err != nil {
return err
}
if !Debug {
if err := s.reload(); err != nil {
return err
}
}
log.Info().Msg(fmt.Sprintf("[%s] deleted config. Domain: %s.", s.kind, domain))
return nil
}
func (s *Server) reload() error {
switch s.kind {
case ServerCaddy:
return caddy_svc.Reload()
case ServerNginx:
return nginx.Reload()
}
return nil
}