func Get(w http.ResponseWriter, r *http.Request) {
w.SetHeader("Content-Type", "application/json")
lock.Lock()
e := json.NewEncoder(w)
e.Encode(server)
lock.Unlock()
}
/*
* @return information about this session
*/
func (self *Session) InfoHandler(w http.ResponseWriter, r *http.Request) os.Error {
// Find the user of this session
user, err := self.sessionDatabase.server.UserAccountDatabase.FindUser(self.Username)
if err != nil {
makeErrorResponse(w, err.String())
return err
}
result := make(map[string]string)
result["sid"] = self.Id
result["user"] = self.Username
result["displayName"] = user.DisplayName
result["domain"] = self.sessionDatabase.server.Capabilities().Domain
json, err := json.Marshal(result)
if err != nil {
log.Println("Failed marshaling to json")
makeErrorResponse(w, "Failed marshaling to json")
return err
}
w.SetHeader("Content-Type", "application/json")
_, err = w.Write(json)
if err != nil {
log.Println("Failed writing HTTP response")
makeErrorResponse(w, "Failed writing HTTP response")
return err
}
return nil
}
// exec a program, redirecting output
func DateServer(rw http.ResponseWriter, req *http.Request) {
rw.SetHeader("content-type", "text/plain; charset=utf-8")
r, w, err := os.Pipe()
if err != nil {
fmt.Fprintf(rw, "pipe: %s\n", err)
return
}
pid, err := os.ForkExec("/bin/date", []string{"date"}, os.Environ(), "", []*os.File{nil, w, w})
defer r.Close()
w.Close()
if err != nil {
fmt.Fprintf(rw, "fork/exec: %s\n", err)
return
}
io.Copy(rw, r)
wait, err := os.Wait(pid, 0)
if err != nil {
fmt.Fprintf(rw, "wait: %s\n", err)
return
}
if !wait.Exited() || wait.ExitStatus() != 0 {
fmt.Fprintf(rw, "date: %v\n", wait)
return
}
}
func ProxyServer(w http.ResponseWriter, req *http.Request) {
log.Printf("%#v", req)
addr, err := net.ResolveIPAddr(req.URL.Host)
if err != nil {
io.WriteString(w, err.String())
return
}
conn, err := net.DialTCP("tcp4", nil, &net.TCPAddr{IP: addr.IP, Port: 80})
if err != nil {
io.WriteString(w, err.String())
return
}
defer conn.Close()
client := http.NewClientConn(conn, nil)
err = client.Write(req)
if err != nil {
io.WriteString(w, err.String())
return
}
resp, err := client.Read()
if err != nil {
io.WriteString(w, err.String())
return
}
for k, v := range resp.Header {
w.SetHeader(k, v)
}
io.Copy(w, resp.Body)
w.Flush()
}
// Symbol looks up the program counters listed in the request,
// responding with a table mapping program counters to function names.
// The package initialization registers it as /debug/pprof/symbol.
func Symbol(w http.ResponseWriter, r *http.Request) {
w.SetHeader("content-type", "text/plain; charset=utf-8")
// We don't know how many symbols we have, but we
// do have symbol information. Pprof only cares whether
// this number is 0 (no symbols available) or > 0.
fmt.Fprintf(w, "num_symbols: 1\n")
var b *bufio.Reader
if r.Method == "POST" {
b = bufio.NewReader(r.Body)
} else {
b = bufio.NewReader(strings.NewReader(r.URL.RawQuery))
}
for {
word, err := b.ReadSlice('+')
if err == nil {
word = word[0 : len(word)-1] // trim +
}
pc, _ := strconv.Btoui64(string(word), 0)
if pc != 0 {
f := runtime.FuncForPC(uintptr(pc))
if f != nil {
fmt.Fprintf(w, "%#x %s\n", pc, f.Name())
}
}
// Wait until here to check for err; the last
// symbol will have an err because it doesn't end in +.
if err != nil {
break
}
}
}
func handleAudit(w http.ResponseWriter, r *http.Request) {
_, kind := path.Split(r.URL.Path)
ip := r.FormValue("IP")
ser := DefaultMaster.delegator.Delegate(kind)
keys := ser.Keys()
n := ser.Init()
for _, v := range keys {
ss := ser.At(v).(SerialSender)
host := ss.Host()
if host == ip || host == "" {
n = n.Insert(ss)
}
}
if len(n.Keys()) != 0 {
w.SetHeader("Content-Encoding", "gzip")
w.SetHeader("Content-Type", "application/octet-stream")
err := DefaultMaster.SaveKind(w, n)
if err != nil {
DefaultMaster.Logger.Printf("Problem: Audit Typ %s mit Server %s fehlgeschlagen", n.Kind(), ip)
w.WriteHeader(500)
}
return
}
w.WriteHeader(404)
}
func handleReplaceForm(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
_, kind := path.Split(r.URL.Path)
ser := DefaultMaster.delegator.Delegate(kind).(SerializerFormParser)
s := ser.NewFromForm(r.Form)
if s == nil {
r.Form = nil
w.SetHeader("Location", r.Referer)
w.WriteHeader(302)
return
}
ser.Replace(s)
DefaultMaster.Save(s)
out := bytes.NewBufferString("")
host := s.Host()
if host != "" {
DefaultMaster.save(out, s)
http.Post("http://"+host+DefaultMaster.replacePattern+kind, "application/octet-stream", out)
} else {
bc := DefaultMaster.delegator.(DelegatorBroadcaster)
for _, h := range bc.Hosts() {
out = bytes.NewBufferString("")
DefaultMaster.save(out, s)
http.Post("http://"+h+DefaultMaster.replacePattern+kind, "application/octet-stream", out)
}
}
DefaultMaster.Logger.Printf("%v erfolgreich modifiziert", s.Log())
redir := "http://" + r.Host + r.FormValue("Redir")
w.SetHeader("Location", redir)
w.WriteHeader(302)
}
func handleDeleteForm(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
_, kind := path.Split(r.URL.Path)
key := DefaultMaster.delegator.(DelegatorBroadcaster).KeyFromForm(r.Form)
ser := DefaultMaster.delegator.Delegate(kind)
keys := ser.Keys()
n := ser.Init()
for _, v := range keys {
if v != key {
n = n.Insert(ser.At(v))
}
}
ser.All(n)
s := ser.At(key).(SerialSender)
DefaultMaster.Delete(s)
out := bytes.NewBufferString("")
host := s.Host()
if host != "" {
DefaultMaster.save(out, s)
http.Post("http://"+host+DefaultMaster.deletePattern+kind, "application/octet-stream", out)
} else {
bc := DefaultMaster.delegator.(DelegatorBroadcaster)
for _, h := range bc.Hosts() {
out = bytes.NewBufferString("")
DefaultMaster.save(out, s)
http.Post("http://"+h+DefaultMaster.deletePattern+kind, "application/octet-stream", out)
}
}
DefaultMaster.Logger.Printf("%v erfolgreich gelöscht", s.Log())
redir := "http://" + r.Host + r.FormValue("Redir")
w.SetHeader("Location", redir)
w.WriteHeader(302)
}
func Dispatch(w http.ResponseWriter) os.Error {
t := View.Themes.Current()
if t == nil {
se := &ServerError{404, "Not Found"}
se.Write(w)
return os.ENOENT
}
w.SetHeader("Content-Type", "text/html; charset=utf-8")
w.SetHeader("Content-Encoding", "gzip")
templ, err := template.Parse(t.Index, nil)
if err != nil {
return err
}
gz, err := gzip.NewWriter(w)
if err != nil {
return err
}
err = templ.Execute(gz, View)
if err != nil {
return err
}
gz.Close()
return nil
}
func Images(w http.ResponseWriter, r *http.Request) {
imagePath := path.Base(r.URL.Path)
mimeType := mime.TypeByExtension(path.Ext(imagePath))
w.SetHeader("Content-Type", mimeType)
w.SetHeader("Cache-Control", "max-age=31104000, public")
current := View.Themes.Current()
if current == nil {
se := &ServerError{404, "Not Found"}
se.Write(w)
return
}
for _, v := range View.Resources {
if v.Template == current.ID {
if v.Name == imagePath {
w.Write(v.Data)
w.Flush()
return
}
}
}
se := &ServerError{404, "Not Found"}
se.Write(w)
return
}
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
s.mu.Lock()
defer s.mu.Unlock()
w.SetHeader("Content-Type", "application/json")
e := json.NewEncoder(w)
e.Encode(s.series)
}
func SetSecureCookie(rw http.ResponseWriter, name, val, path string, timeout int64) {
var buf bytes.Buffer
e := base64.NewEncoder(base64.StdEncoding, &buf)
e.Write([]byte(val))
e.Close()
ts := strconv.Itoa64(time.Seconds())
data := strings.Join([]string{buf.String(), ts, getCookieSig(buf.Bytes(), ts)}, "|")
var cookie string
// Timeout of -1 is a special case that omits the entire 'expires' bit.
// This is used for cookies which expire as soon as a user's session ends.
if timeout != -1 {
t := time.UTC()
t = time.SecondsToUTC(t.Seconds() + timeout)
ts = t.Format(time.RFC1123)
ts = ts[0:len(ts)-3] + "GMT"
cookie = fmt.Sprintf("%s=%s; expires=%s; path=%s", name, data, ts, path)
} else {
cookie = fmt.Sprintf("%s=%s; path=%s", name, data, path)
}
if context.Config().Secure {
cookie += "; secure"
}
rw.SetHeader("Set-Cookie", cookie)
}
// Creates a HTTP error response
func makeHtmlErrorResponse(res http.ResponseWriter, errorText string) {
log.Println(errorText)
res.SetHeader("Content-Type", "text/html")
_, err := res.Write([]byte(errorText))
if err != nil {
log.Println("Failed writing HTTP response")
}
}
func Css(w http.ResponseWriter, r *http.Request) {
w.SetHeader("Content-Encoding", "gzip")
w.SetHeader("Content-Type", "text/css")
gz, _ := gzip.NewWriter(w)
gz.Write([]byte(View.Themes.Current().Style))
gz.Close()
}
func (proxy *Proxy) ServeHTTP(conn http.ResponseWriter, req *http.Request) {
// Open a connection to the Hub.
hubconn, err := net.Dial("tcp", "", remoteAddr)
if err != nil {
if debugMode {
fmt.Printf("Couldn't connect to remote %s: %v\n", remoteHost, err)
}
return
}
hub := tls.Client(hubconn, tlsconf.Config)
defer hub.Close()
// Modify the request Host: header.
req.Host = remoteHost
// Send the request to the Hub.
err = req.Write(hub)
if err != nil {
if debugMode {
fmt.Printf("Error writing to the hub: %v\n", err)
}
return
}
// Parse the response from the Hub.
resp, err := http.ReadResponse(bufio.NewReader(hub), req.Method)
if err != nil {
if debugMode {
fmt.Printf("Error parsing response from the hub: %v\n", err)
}
return
}
// Set the received headers back to the initial connection.
for k, v := range resp.Header {
conn.SetHeader(k, v)
}
// Read the full response body.
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
if debugMode {
fmt.Printf("Error reading response from the hub: %v\n", err)
}
resp.Body.Close()
return
}
// Write the response body back to the initial connection.
resp.Body.Close()
conn.WriteHeader(resp.StatusCode)
conn.Write(body)
}
func FileHelper(w http.ResponseWriter, r *http.Request) {
mimeType := mime.TypeByExtension(path.Ext(r.URL.Path))
w.SetHeader("Content-Encoding", "gzip")
w.SetHeader("Content-Type", mimeType)
//w.SetHeader("Expires", "Fri, 30 Oct 2013 14:19:41 GMT")
b, _ := ioutil.ReadFile("." + r.URL.Path)
gz, _ := gzip.NewWriter(w)
gz.Write(b)
gz.Close()
}
func (s *Settings) Set(c http.ResponseWriter) {
if s.WhichCard != s.Card().Name {
c := s.Card()
s.Cards[s.WhichCard] = nil, false
s.WhichCard = c.Name
s.Cards[s.WhichCard] = c
}
bytes, _ := json.Marshal(*s)
c.SetHeader("Set-Cookie", string(bytes))
}
func viewHtml(w http.ResponseWriter, r *http.Request) {
if !strings.HasSuffix(r.URL.Path, "/") {
w.WriteHeader(404)
return
}
var x info
x.Path = r.URL.Path[len("/view"):]
w.SetHeader("content-type", "text/html")
mainTpl.Execute(x, w)
}
func GlobalController(w http.ResponseWriter, r *http.Request) {
imagePath := path.Base(r.URL.Path)
mimeType := mime.TypeByExtension(path.Ext(imagePath))
w.SetHeader("Content-Type", mimeType)
for _, v := range View.Globals {
if v.Name == imagePath {
w.Write(v.Data)
w.Flush()
}
}
}
func writeWorld(w http.ResponseWriter, req *http.Request) {
world := JsonWorld{World: &World, CurrentTime: time.Nanoseconds()}
bytes, err := json.Marshal(world)
if err != nil {
log.Fatalf("Error writing JSON: %s", err)
}
w.SetHeader("Access-Control-Allow-Origin", "*")
w.SetHeader("Access-Control-Max-Age", "3600")
w.Write(bytes)
}
func FlagServer(w http.ResponseWriter, req *http.Request) {
w.SetHeader("content-type", "text/plain; charset=utf-8")
fmt.Fprint(w, "Flags:\n")
flag.VisitAll(func(f *flag.Flag) {
if f.Value.String() != f.DefValue {
fmt.Fprintf(w, "%s = %s [default = %s]\n", f.Name, f.Value.String(), f.DefValue)
} else {
fmt.Fprintf(w, "%s = %s\n", f.Name, f.Value.String())
}
})
}
func ReturnJson(conn http.ResponseWriter, data interface{}) {
conn.SetHeader("Content-Type", "text/javascript")
bytes, err := json.MarshalIndent(data, "", " ")
if err != nil {
BadRequestError(conn, fmt.Sprintf(
"JSON serialization error: %v", err))
return
}
conn.Write(bytes)
conn.Write([]byte("\n"))
}
func viewHtml(w http.ResponseWriter, r *http.Request) {
if !strings.HasSuffix(r.URL.Path, "/") {
w.WriteHeader(404)
return
}
var x info
x.Name = ClusterName
x.Path = r.URL.Path
w.SetHeader("content-type", "text/html")
mainTpl.Execute(w, x)
}
func expvarHandler(w http.ResponseWriter, r *http.Request) {
w.SetHeader("content-type", "application/json; charset=utf-8")
fmt.Fprintf(w, "{\n")
first := true
for name, value := range vars {
if !first {
fmt.Fprintf(w, ",\n")
}
first = false
fmt.Fprintf(w, "%q: %s", name, value)
}
fmt.Fprintf(w, "\n}\n")
}
func wavServer(c http.ResponseWriter, req *http.Request) {
c.SetHeader("Content-Type", "audio/x-wav")
text := req.URL.Path[:len(req.URL.Path)-4]
if len(text) > 8 {
text = text[8:]
}
x, err := speech.Speak(text)
if err == nil {
fmt.Fprint(c, x)
} else {
fmt.Println("Error speaking:", err)
}
}
func wavServer(c http.ResponseWriter, req *http.Request) {
c.SetHeader("Content-Type", "audio/x-wav")
dat := getTransitoryData(req)
text := dat.Url[:len(dat.Url)-4]
if len(text) > 8 {
text = text[8:]
}
x, err := speech.Speak(text)
if err == nil {
fmt.Fprint(c, x)
} else {
fmt.Println("Error speaking:", err)
}
}
// ServeHTTP implements an http.Handler that answers RPC requests.
func (server *Server) ServeHTTP(w http.ResponseWriter, req *http.Request) {
if req.Method != "CONNECT" {
w.SetHeader("Content-Type", "text/plain; charset=utf-8")
w.WriteHeader(http.StatusMethodNotAllowed)
io.WriteString(w, "405 must CONNECT\n")
return
}
conn, _, err := w.Hijack()
if err != nil {
log.Print("rpc hijacking ", w.RemoteAddr(), ": ", err.String())
return
}
io.WriteString(conn, "HTTP/1.0 "+connected+"\n\n")
server.ServeConn(conn)
}
// Creates a HTTP error response
func makeErrorResponse(res http.ResponseWriter, errorText string) {
log.Println(errorText)
m := make(map[string]interface{})
m["ok"] = false
m["error"] = errorText
json, err := json.Marshal(m)
if err != nil {
panic("Failed marshaling to json")
}
res.SetHeader("Content-Type", "application/json")
_, err = res.Write(json)
if err != nil {
log.Println("Failed writing HTTP response")
}
}
func makeClientErrorResponse(res http.ResponseWriter, errorText string) {
log.Println(errorText)
response := &ClientSubmitResponse{}
response.OperationsApplied = proto.Int(0)
response.ErrorMessage = proto.String(errorText)
var buffer bytes.Buffer
err := Marshal(response, &buffer)
if err != nil {
panic("Failed marshaling")
}
res.SetHeader("Content-Type", "application/json")
_, err = res.Write(buffer.Bytes())
if err != nil {
log.Println("Failed writing HTTP response")
}
}
func (h *handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
var response *http.Response
var err os.Error
// get the next available responder
responder := <-h.responders
// send the request to the FastCGI responder
reqid, err := responder.WriteRequest(w, req)
if err != nil {
panic("error writing request " + err.String())
Log("Handler: Failed to write request to", responder, "disabling (error:", err, ")")
w.WriteHeader(http.StatusInternalServerError)
io.WriteString(w, err.String())
responder.Close()
return
}
// a multiplexing responder is available again immediately
if responder.multiplex {
h.responders <- responder
}
// read the response (blocking)
if response, err = responder.ReadResponse(reqid, req.Method); err != nil {
panic("Reading failed")
Log("Handler: Failed to read response from", responder, "error:", err)
w.WriteHeader(http.StatusInternalServerError)
io.WriteString(w, err.String())
return
}
// a non-multiplexing responder has to wait until the response is fully read
// before it is available
if !responder.multiplex {
h.responders <- responder
}
// once response is ready, write it out to the real connection
for k, v := range response.Header {
w.SetHeader(k, v)
}
w.WriteHeader(response.StatusCode)
if _, err = io.Copy(w, response.Body); err != nil {
body, _ := ioutil.ReadAll(response.Body)
Log("Handler: Error reading response.Body from", responder, "(error:", err, ")")
io.WriteString(w, err.String())
panic("Bad body in handler! " + err.String() + "\n" + string(body))
return
}
}
