remove legacy
This commit is contained in:
Matt Drollette
191
reseed/legacy.go
191
reseed/legacy.go
@@ -1,191 +0,0 @@
|
||||
package reseed
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"github.com/PuerkitoBio/throttled"
|
||||
"github.com/PuerkitoBio/throttled/store"
|
||||
"github.com/gorilla/handlers"
|
||||
"github.com/gorilla/mux"
|
||||
"html/template"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"log"
|
||||
"math/rand"
|
||||
"net/http"
|
||||
"os"
|
||||
"regexp"
|
||||
"time"
|
||||
)
|
||||
|
||||
const (
|
||||
LIST_TEMPLATE = `<html><head><title>NetDB</title></head><body><ul>{{ range $index, $_ := . }}<li><a href="{{ $index }}">{{ $index }}</a></li>{{ end }}</ul></body></html>`
|
||||
)
|
||||
|
||||
type Config struct {
|
||||
NetDBDir string
|
||||
RefreshInterval time.Duration
|
||||
Proxy bool
|
||||
Verbose bool
|
||||
RateLimit int
|
||||
|
||||
Addr string
|
||||
Port string
|
||||
Cert string
|
||||
Key string
|
||||
}
|
||||
|
||||
func Run(config *Config) {
|
||||
legacyReseeder := NewLegacyReseeder(config.NetDBDir)
|
||||
legacyReseeder.Start(config.RefreshInterval)
|
||||
|
||||
su3Reseeder := NewSu3Reseeder(config.NetDBDir)
|
||||
su3Reseeder.Start()
|
||||
|
||||
r := mux.NewRouter()
|
||||
s := r.PathPrefix("/netdb").Subrouter()
|
||||
|
||||
s.HandleFunc("/", legacyReseeder.ListHandler)
|
||||
s.HandleFunc(`/routerInfo-{hash:[A-Za-z0-9-=~]+}.dat`, legacyReseeder.RouterInfoHandler)
|
||||
s.HandleFunc("/i2pseeds.su3", su3Reseeder.Su3Handler)
|
||||
|
||||
th := throttled.RateLimit(throttled.PerMin(config.RateLimit), &throttled.VaryBy{RemoteAddr: true}, store.NewMemStore(1000))
|
||||
muxWithMiddlewares := th.Throttle(r)
|
||||
|
||||
if config.Verbose {
|
||||
muxWithMiddlewares = handlers.CombinedLoggingHandler(os.Stdout, muxWithMiddlewares)
|
||||
}
|
||||
|
||||
listenAddress := fmt.Sprintf("%s:%s", config.Addr, config.Port)
|
||||
|
||||
if config.Cert != "" && config.Key != "" {
|
||||
log.Println("Starting https reseed server on " + listenAddress)
|
||||
err := http.ListenAndServeTLS(listenAddress, config.Cert, config.Key, muxWithMiddlewares)
|
||||
if nil != err {
|
||||
log.Fatalln(err)
|
||||
}
|
||||
} else {
|
||||
log.Println("Starting http reseed server on " + listenAddress)
|
||||
err := http.ListenAndServe(listenAddress, muxWithMiddlewares)
|
||||
if nil != err {
|
||||
log.Fatalln(err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func NewLegacyReseeder(netdbDir string) *LegacyReseeder {
|
||||
return &LegacyReseeder{netdbDir: netdbDir, nextMap: make(chan map[string][]byte)}
|
||||
}
|
||||
|
||||
func NewSu3Reseeder(netdbDir string) *Su3Reseeder {
|
||||
return &Su3Reseeder{netdbDir: netdbDir, nextMap: make(chan []string)}
|
||||
}
|
||||
|
||||
type Su3Reseeder struct {
|
||||
nextMap chan []string
|
||||
netdbDir string
|
||||
}
|
||||
|
||||
func (r *Su3Reseeder) Start() {
|
||||
}
|
||||
|
||||
func (rs *Su3Reseeder) Su3Handler(w http.ResponseWriter, r *http.Request) {
|
||||
http.NotFound(w, r)
|
||||
}
|
||||
|
||||
type LegacyReseeder struct {
|
||||
nextMap chan map[string][]byte
|
||||
netdbDir string
|
||||
listTemplate *template.Template
|
||||
}
|
||||
|
||||
func (r *LegacyReseeder) Start(refreshInterval time.Duration) {
|
||||
go func() {
|
||||
var m map[string][]byte
|
||||
for {
|
||||
select {
|
||||
case m = <-r.nextMap:
|
||||
case r.nextMap <- m:
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
go func() {
|
||||
for {
|
||||
log.Println("Updating routerInfos")
|
||||
r.Refresh(r.netdbDir)
|
||||
time.Sleep(refreshInterval)
|
||||
}
|
||||
}()
|
||||
|
||||
// parse the template for routerInfo lists
|
||||
var err error
|
||||
r.listTemplate, err = template.New("ri").Parse(LIST_TEMPLATE)
|
||||
if err != nil {
|
||||
log.Fatalln("error parsing routerInfo list template", err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func (r *LegacyReseeder) Refresh(netdbDir string) {
|
||||
m := make(map[string][]byte)
|
||||
|
||||
src, err := ioutil.ReadDir(netdbDir)
|
||||
if nil != err {
|
||||
log.Fatalln("error reading netdb dir", err)
|
||||
return
|
||||
}
|
||||
|
||||
// randomize the file order
|
||||
files := make([]os.FileInfo, len(src))
|
||||
perm := rand.Perm(len(src))
|
||||
for i, v := range perm {
|
||||
files[v] = src[i]
|
||||
}
|
||||
|
||||
added := 0
|
||||
for _, file := range files {
|
||||
if match, _ := regexp.MatchString("^routerInfo-[A-Za-z0-9-=~]+.dat$", file.Name()); match {
|
||||
fi, err := os.Open(netdbDir + "/" + file.Name())
|
||||
if err != nil {
|
||||
log.Println("Error reading routerInfo file", err)
|
||||
continue
|
||||
}
|
||||
fileData, err := ioutil.ReadAll(fi)
|
||||
if nil != err {
|
||||
log.Println("Error reading routerInfo file", err)
|
||||
continue
|
||||
}
|
||||
fi.Close()
|
||||
|
||||
m[file.Name()] = fileData
|
||||
added++
|
||||
}
|
||||
if added >= 50 {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
r.nextMap <- m
|
||||
}
|
||||
|
||||
func (lr *LegacyReseeder) ListHandler(w http.ResponseWriter, r *http.Request) {
|
||||
err := lr.listTemplate.Execute(w, <-lr.nextMap)
|
||||
if err != nil {
|
||||
log.Fatalln("error rending list template", err)
|
||||
}
|
||||
}
|
||||
|
||||
func (rs *LegacyReseeder) RouterInfoHandler(w http.ResponseWriter, r *http.Request) {
|
||||
vars := mux.Vars(r)
|
||||
fileName := "routerInfo-" + vars["hash"] + ".dat"
|
||||
|
||||
m := <-rs.nextMap
|
||||
if b, ok := m[fileName]; ok {
|
||||
io.Copy(w, bytes.NewReader(b))
|
||||
return
|
||||
}
|
||||
|
||||
http.NotFound(w, r)
|
||||
log.Println("error sending file", fileName)
|
||||
}
|
||||
Reference in New Issue
Block a user