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Fail early when a group doesn't exist.
This commit is contained in:
parent
c9865830cc
commit
c2b1723bd4
3 changed files with 42 additions and 12 deletions
6
group.go
6
group.go
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@ -346,9 +346,6 @@ type groupDescription struct {
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func descriptionChanged(name string, old *groupDescription) (bool, error) {
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fi, err := os.Stat(filepath.Join(groupsDir, name+".json"))
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if err != nil {
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if os.IsNotExist(err) {
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err = userError("group does not exist")
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}
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return false, err
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}
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if fi.Size() != old.fileSize || fi.ModTime() != old.modTime {
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@ -360,9 +357,6 @@ func descriptionChanged(name string, old *groupDescription) (bool, error) {
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func getDescription(name string) (*groupDescription, error) {
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r, err := os.Open(filepath.Join(groupsDir, name+".json"))
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if err != nil {
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if os.IsNotExist(err) {
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err = userError("group does not exist")
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}
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return nil, err
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}
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defer r.Close()
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@ -704,6 +704,9 @@ func startClient(conn *websocket.Conn) (err error) {
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g, err := addClient(m.Group, c)
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if err != nil {
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if os.IsNotExist(err) {
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err = userError("group does not exist")
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}
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return
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}
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c.group = g
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45
webserver.go
45
webserver.go
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@ -21,12 +21,7 @@ import (
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func webserver() {
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http.Handle("/", mungeHandler{http.FileServer(http.Dir(staticRoot))})
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http.HandleFunc("/group/",
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func(w http.ResponseWriter, r *http.Request) {
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mungeHeader(w)
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http.ServeFile(w, r,
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filepath.Join(staticRoot, "sfu.html"))
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})
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http.HandleFunc("/group/", groupHandler)
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http.HandleFunc("/recordings",
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func(w http.ResponseWriter, r *http.Request) {
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http.Redirect(w, r,
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@ -74,6 +69,44 @@ func (h mungeHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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h.h.ServeHTTP(w, r)
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}
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func parseGroupName(path string) string {
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if !strings.HasPrefix(path, "/group/") {
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return ""
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}
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name := path[len("/group/"):]
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if name == "" {
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return ""
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}
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if name[len(name)-1] == '/' {
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name = name[:len(name)-1]
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}
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return name
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}
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func groupHandler(w http.ResponseWriter, r *http.Request) {
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mungeHeader(w)
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name := parseGroupName(r.URL.Path)
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if name == "" {
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http.NotFound(w, r)
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return
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}
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_, err := addGroup(name, nil)
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if err != nil {
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if os.IsNotExist(err) {
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http.NotFound(w, r)
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} else {
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log.Println("addGroup: %v", err)
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http.Error(w, "Internal server error",
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http.StatusInternalServerError)
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}
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return
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}
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http.ServeFile(w, r, filepath.Join(staticRoot, "sfu.html"))
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}
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func publicHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("content-type", "application/json")
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w.Header().Set("cache-control", "no-cache")
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