mirror of https://github.com/mpolden/echoip
108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
package main
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import (
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"flag"
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"log"
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"strings"
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"os"
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"github.com/mpolden/echoip/http"
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"github.com/mpolden/echoip/iputil"
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"github.com/mpolden/echoip/iputil/geo"
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"github.com/mpolden/echoip/iputil/ipstack"
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parser "github.com/mpolden/echoip/iputil/paser"
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ipstackApi "github.com/qioalice/ipstack"
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)
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type multiValueFlag []string
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func (f *multiValueFlag) String() string {
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return strings.Join([]string(*f), ", ")
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}
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func (f *multiValueFlag) Set(v string) error {
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*f = append(*f, v)
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return nil
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}
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func init() {
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log.SetPrefix("echoip: ")
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log.SetFlags(log.Lshortfile)
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}
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func main() {
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var ipstackApiKey string
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service := flag.String("d", "geoip", "Which database to use, 'ipstack' or 'geoip'")
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flag.StringVar(&ipstackApiKey, "S", "", "IP Stack API Key")
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countryFile := flag.String("f", "", "Path to GeoIP country database")
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cityFile := flag.String("c", "", "Path to GeoIP city database")
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asnFile := flag.String("a", "", "Path to GeoIP ASN database")
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listen := flag.String("l", ":8080", "Listening address")
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reverseLookup := flag.Bool("r", false, "Perform reverse hostname lookups")
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portLookup := flag.Bool("p", false, "Enable port lookup")
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template := flag.String("t", "html", "Path to template dir")
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cacheSize := flag.Int("C", 0, "Size of response cache. Set to 0 to disable")
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profile := flag.Bool("P", false, "Enables profiling handlers")
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sponsor := flag.Bool("s", false, "Show sponsor logo")
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var headers multiValueFlag
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flag.Var(&headers, "H", "Header to trust for remote IP, if present (e.g. X-Real-IP)")
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flag.Parse()
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if len(flag.Args()) != 0 {
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flag.Usage()
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return
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}
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var parser parser.Parser
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if (*service == "geoip") {
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geo, err := geo.Open(*countryFile, *cityFile, *asnFile)
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if err != nil {
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log.Fatal(err)
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}
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parser = &geo
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}
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if (*service == "ipstack") {
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if err := ipstackApi.Init(ipstackApiKey); err != nil {
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log.Fatal(err)
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}
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ips := ipstack.IPStack{}
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parser = &ips
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}
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cache := http.NewCache(*cacheSize)
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server := http.New(parser, cache, *profile)
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server.IPHeaders = headers
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if _, err := os.Stat(*template); err == nil {
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server.Template = *template
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} else {
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log.Printf("Not configuring default handler: Template not found: %s", *template)
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}
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if *reverseLookup {
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log.Println("Enabling reverse lookup")
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server.LookupAddr = iputil.LookupAddr
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}
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if *portLookup {
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log.Println("Enabling port lookup")
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server.LookupPort = iputil.LookupPort
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}
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if *sponsor {
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log.Println("Enabling sponsor logo")
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server.Sponsor = *sponsor
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}
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if len(headers) > 0 {
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log.Printf("Trusting remote IP from header(s): %s", headers.String())
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}
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if *cacheSize > 0 {
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log.Printf("Cache capacity set to %d", *cacheSize)
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}
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if *profile {
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log.Printf("Enabling profiling handlers")
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}
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log.Printf("Listening on http://%s", *listen)
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if err := server.ListenAndServe(*listen); err != nil {
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log.Fatal(err)
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}
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}
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