mirror of
https://github.com/jech/galene.git
synced 2024-11-14 04:35:57 +01:00
382 lines
8.6 KiB
Go
382 lines
8.6 KiB
Go
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"html"
|
|
"io"
|
|
"log"
|
|
"net/http"
|
|
"net/url"
|
|
"os"
|
|
"path"
|
|
"path/filepath"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/gorilla/websocket"
|
|
)
|
|
|
|
func webserver() {
|
|
http.Handle("/", mungeHandler{http.FileServer(http.Dir(staticRoot))})
|
|
http.HandleFunc("/group/",
|
|
func(w http.ResponseWriter, r *http.Request) {
|
|
mungeHeader(w)
|
|
http.ServeFile(w, r,
|
|
filepath.Join(staticRoot, "sfu.html"))
|
|
})
|
|
http.HandleFunc("/recordings",
|
|
func(w http.ResponseWriter, r *http.Request) {
|
|
http.Redirect(w, r,
|
|
"/recordings/", http.StatusPermanentRedirect)
|
|
})
|
|
http.HandleFunc("/recordings/", recordingsHandler)
|
|
http.HandleFunc("/ws", wsHandler)
|
|
http.HandleFunc("/ice-servers.json",
|
|
func(w http.ResponseWriter, r *http.Request) {
|
|
mungeHeader(w)
|
|
http.ServeFile(w, r,
|
|
filepath.Join(dataDir, "ice-servers.json"))
|
|
})
|
|
http.HandleFunc("/public-groups.json", publicHandler)
|
|
http.HandleFunc("/stats", statsHandler)
|
|
|
|
go func() {
|
|
server := &http.Server{
|
|
Addr: httpAddr,
|
|
ReadHeaderTimeout: 60 * time.Second,
|
|
IdleTimeout: 120 * time.Second,
|
|
}
|
|
var err error
|
|
err = server.ListenAndServeTLS(
|
|
filepath.Join(dataDir, "cert.pem"),
|
|
filepath.Join(dataDir, "key.pem"),
|
|
)
|
|
if err != nil {
|
|
log.Printf("ListenAndServeTLS: %v", err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func mungeHeader(w http.ResponseWriter) {
|
|
w.Header().Add("Content-Security-Policy",
|
|
"connect-src ws: wss: 'self'; img-src data: 'self'; default-src 'self'")
|
|
}
|
|
|
|
type mungeHandler struct {
|
|
h http.Handler
|
|
}
|
|
|
|
func (h mungeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
mungeHeader(w)
|
|
h.h.ServeHTTP(w, r)
|
|
}
|
|
|
|
func publicHandler(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("content-type", "application/json")
|
|
w.Header().Set("cache-control", "no-cache")
|
|
|
|
if r.Method == "HEAD" {
|
|
return
|
|
}
|
|
|
|
g := getPublicGroups()
|
|
e := json.NewEncoder(w)
|
|
e.Encode(g)
|
|
return
|
|
}
|
|
|
|
func getPassword() (string, string, error) {
|
|
f, err := os.Open(filepath.Join(dataDir, "passwd"))
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
defer f.Close()
|
|
|
|
r := bufio.NewReader(f)
|
|
|
|
s, err := r.ReadString('\n')
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
|
|
l := strings.SplitN(strings.TrimSpace(s), ":", 2)
|
|
if len(l) != 2 {
|
|
return "", "", errors.New("couldn't parse passwords")
|
|
}
|
|
|
|
return l[0], l[1], nil
|
|
}
|
|
|
|
func failAuthentication(w http.ResponseWriter, realm string) {
|
|
w.Header().Set("www-authenticate",
|
|
fmt.Sprintf("basic realm=\"%v\"", realm))
|
|
http.Error(w, "Haha!", http.StatusUnauthorized)
|
|
}
|
|
|
|
func statsHandler(w http.ResponseWriter, r *http.Request) {
|
|
u, p, err := getPassword()
|
|
if err != nil {
|
|
log.Printf("Passwd: %v", err)
|
|
failAuthentication(w, "stats")
|
|
return
|
|
}
|
|
|
|
username, password, ok := r.BasicAuth()
|
|
if !ok || username != u || password != p {
|
|
failAuthentication(w, "stats")
|
|
return
|
|
}
|
|
|
|
w.Header().Set("content-type", "text/html; charset=utf-8")
|
|
w.Header().Set("cache-control", "no-cache")
|
|
if r.Method == "HEAD" {
|
|
return
|
|
}
|
|
|
|
stats := getGroupStats()
|
|
|
|
fmt.Fprintf(w, "<!DOCTYPE html>\n<html><head>\n")
|
|
fmt.Fprintf(w, "<title>Stats</title>\n")
|
|
fmt.Fprintf(w, "<link rel=\"stylesheet\" type=\"text/css\" href=\"/common.css\"/>")
|
|
fmt.Fprintf(w, "<head><body>\n")
|
|
|
|
printBitrate := func(w io.Writer, rate, maxRate uint64) error {
|
|
var err error
|
|
if maxRate != 0 && maxRate != ^uint64(0) {
|
|
_, err = fmt.Fprintf(w, "%v/%v", rate, maxRate)
|
|
} else {
|
|
_, err = fmt.Fprintf(w, "%v", rate)
|
|
}
|
|
return err
|
|
}
|
|
|
|
printTrack := func(w io.Writer, t trackStats) {
|
|
fmt.Fprintf(w, "<tr><td></td><td></td><td></td>")
|
|
fmt.Fprintf(w, "<td>")
|
|
printBitrate(w, t.bitrate, t.maxBitrate)
|
|
fmt.Fprintf(w, "</td>")
|
|
fmt.Fprintf(w, "<td>%d%%</td>",
|
|
t.loss,
|
|
)
|
|
fmt.Fprintf(w, "<td>")
|
|
if t.rtt > 0 {
|
|
fmt.Fprintf(w, "%v", t.rtt)
|
|
}
|
|
if t.jitter > 0 {
|
|
fmt.Fprintf(w, "±%v", t.jitter)
|
|
}
|
|
fmt.Fprintf(w, "</td>")
|
|
fmt.Fprintf(w, "</tr>")
|
|
}
|
|
|
|
for _, gs := range stats {
|
|
fmt.Fprintf(w, "<p>%v</p>\n", html.EscapeString(gs.name))
|
|
fmt.Fprintf(w, "<table>")
|
|
for _, cs := range gs.clients {
|
|
fmt.Fprintf(w, "<tr><td>%v</td></tr>\n", cs.id)
|
|
for _, up := range cs.up {
|
|
fmt.Fprintf(w, "<tr><td></td><td>Up</td><td>%v</td>",
|
|
up.id)
|
|
if up.maxBitrate > 0 {
|
|
fmt.Fprintf(w, "<td>%v</td>",
|
|
up.maxBitrate)
|
|
}
|
|
fmt.Fprintf(w, "</tr>\n")
|
|
for _, t := range up.tracks {
|
|
printTrack(w, t)
|
|
}
|
|
}
|
|
for _, down := range cs.down {
|
|
fmt.Fprintf(w, "<tr><td></td><td>Down</td><td> %v</td>",
|
|
down.id)
|
|
if down.maxBitrate > 0 {
|
|
fmt.Fprintf(w, "<td>%v</td>",
|
|
down.maxBitrate)
|
|
}
|
|
fmt.Fprintf(w, "</tr>\n")
|
|
for _, t := range down.tracks {
|
|
printTrack(w, t)
|
|
}
|
|
}
|
|
}
|
|
fmt.Fprintf(w, "</table>\n")
|
|
}
|
|
fmt.Fprintf(w, "</body></html>\n")
|
|
}
|
|
|
|
var upgrader websocket.Upgrader
|
|
|
|
func wsHandler(w http.ResponseWriter, r *http.Request) {
|
|
conn, err := upgrader.Upgrade(w, r, nil)
|
|
if err != nil {
|
|
log.Printf("Websocket upgrade: %v", err)
|
|
return
|
|
}
|
|
go func() {
|
|
err := startClient(conn)
|
|
if err != nil {
|
|
log.Printf("client: %v", err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
func recordingsHandler(w http.ResponseWriter, r *http.Request) {
|
|
if len(r.URL.Path) < 12 || r.URL.Path[:12] != "/recordings/" {
|
|
http.Error(w, "server error", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
pth := r.URL.Path[12:]
|
|
|
|
if pth == "" {
|
|
http.Error(w, "nothing to see", http.StatusNotImplemented)
|
|
return
|
|
}
|
|
|
|
f, err := os.Open(filepath.Join(recordingsDir, pth))
|
|
if err != nil {
|
|
if os.IsNotExist(err) {
|
|
http.NotFound(w, r)
|
|
} else {
|
|
http.Error(w, "server error",
|
|
http.StatusInternalServerError)
|
|
}
|
|
return
|
|
}
|
|
defer f.Close()
|
|
|
|
fi, err := f.Stat()
|
|
if err != nil {
|
|
http.Error(w, "server error", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
if fi.IsDir() {
|
|
if pth[len(pth)-1] != '/' {
|
|
http.Redirect(w, r,
|
|
r.URL.Path+"/", http.StatusPermanentRedirect)
|
|
return
|
|
}
|
|
ok := checkGroupPermissions(w, r, path.Dir(pth))
|
|
if !ok {
|
|
failAuthentication(w, "recordings/"+path.Dir(pth))
|
|
return
|
|
}
|
|
if r.Method == "POST" {
|
|
handleGroupAction(w, r, path.Dir(pth))
|
|
} else {
|
|
serveGroupRecordings(w, r, f, path.Dir(pth))
|
|
}
|
|
} else {
|
|
ok := checkGroupPermissions(w, r, path.Dir(pth))
|
|
if !ok {
|
|
failAuthentication(w, "recordings/"+path.Dir(pth))
|
|
return
|
|
}
|
|
http.ServeContent(w, r, r.URL.Path, fi.ModTime(), f)
|
|
}
|
|
}
|
|
|
|
func handleGroupAction(w http.ResponseWriter, r *http.Request, group string) {
|
|
if r.Method != "POST" {
|
|
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
|
|
err := r.ParseForm()
|
|
if err != nil {
|
|
http.Error(w, "couldn't parse request", http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
q := r.Form.Get("q")
|
|
|
|
switch q {
|
|
case "delete":
|
|
filename := r.Form.Get("filename")
|
|
if group == "" || filename == "" {
|
|
http.Error(w, "no filename provided",
|
|
http.StatusBadRequest)
|
|
return
|
|
}
|
|
err := os.Remove(
|
|
filepath.Join(recordingsDir, group+"/"+filename),
|
|
)
|
|
if err != nil {
|
|
if os.IsPermission(err) {
|
|
http.Error(w, "unauthorized",
|
|
http.StatusForbidden)
|
|
} else {
|
|
http.Error(w, "server error",
|
|
http.StatusInternalServerError)
|
|
}
|
|
return
|
|
}
|
|
http.Redirect(w, r, "/recordings/"+group+"/",
|
|
http.StatusSeeOther)
|
|
return
|
|
default:
|
|
http.Error(w, "unknown query", http.StatusBadRequest)
|
|
}
|
|
}
|
|
|
|
func checkGroupPermissions(w http.ResponseWriter, r *http.Request, group string) bool {
|
|
desc, err := getDescription(group)
|
|
if err != nil {
|
|
return false
|
|
}
|
|
|
|
user, pass, ok := r.BasicAuth()
|
|
if !ok {
|
|
return false
|
|
}
|
|
|
|
p, err := getPermission(desc, user, pass)
|
|
if err != nil || !p.Record {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
func serveGroupRecordings(w http.ResponseWriter, r *http.Request, f *os.File, group string) {
|
|
fis, err := f.Readdir(-1)
|
|
if err != nil {
|
|
http.Error(w, "server error", http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("content-type", "text/html; charset=utf-8")
|
|
w.Header().Set("cache-control", "no-cache")
|
|
|
|
if r.Method == "HEAD" {
|
|
return
|
|
}
|
|
|
|
fmt.Fprintf(w, "<!DOCTYPE html>\n<html><head>\n")
|
|
fmt.Fprintf(w, "<title>Recordings for group %v</title>\n", group)
|
|
fmt.Fprintf(w, "<link rel=\"stylesheet\" type=\"text/css\" href=\"/common.css\"/>")
|
|
fmt.Fprintf(w, "<head><body>\n")
|
|
|
|
fmt.Fprintf(w, "<table>\n")
|
|
for _, fi := range fis {
|
|
if fi.IsDir() {
|
|
continue
|
|
}
|
|
fmt.Fprintf(w, "<tr><td><a href=\"%v\">%v</a></td><td>%d</td>",
|
|
html.EscapeString(fi.Name()),
|
|
html.EscapeString(fi.Name()),
|
|
fi.Size(),
|
|
)
|
|
fmt.Fprintf(w,
|
|
"<td><form action=\"/recordings/%v/?q=delete\" method=\"post\">"+
|
|
"<button type=\"submit\" name=\"filename\" value=\"%v\">Delete</button>"+
|
|
"</form></td></tr>\n",
|
|
url.PathEscape(group), fi.Name())
|
|
}
|
|
fmt.Fprintf(w, "</table>\n")
|
|
fmt.Fprintf(w, "</body></html>\n")
|
|
}
|