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Commit 8830870d authored by Juliusz Chroboczek's avatar Juliusz Chroboczek
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Implement downloading of recorded videos.

parent b8128f81
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Showing with 179 additions and 7 deletions
static/common.css
View file @ 8830870d
......@@ -6,6 +6,10 @@ h1 {
font-size: 160%;
}
.inline {
display: inline;
}
.signature {
border-top: solid;
margin-top: 2em;
......
webserver.go
View file @ 8830870d
......@@ -9,7 +9,9 @@ import (
"io"
"log"
"net/http"
"net/url"
"os"
"path"
"path/filepath"
"strings"
"time"
......@@ -24,6 +26,12 @@ func webserver() {
mungeHeader(w)
http.ServeFile(w, r, 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("/public-groups.json", publicHandler)
http.HandleFunc("/stats", statsHandler)
......@@ -95,22 +103,23 @@ func getPassword() (string, string, error) {
return l[0], l[1], nil
}
func statsHandler(w http.ResponseWriter, r *http.Request) {
bail := func() {
w.Header().Set("www-authenticate", "basic realm=\"stats\"")
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)
bail()
failAuthentication(w, "stats")
return
}
username, password, ok := r.BasicAuth()
if !ok || username != u || password != p {
bail()
failAuthentication(w, "stats")
return
}
......@@ -124,6 +133,7 @@ func statsHandler(w http.ResponseWriter, r *http.Request) {
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 {
......@@ -192,3 +202,161 @@ func wsHandler(w http.ResponseWriter, r *http.Request) {
}
}()
}
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")
}
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