// 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(c *http.Conn, r *http.Request) {
c.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(c, "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 {
w, err := b.ReadSlice('+')
if err == nil {
w = w[0 : len(w)-1] // trim +
}
pc, _ := strconv.Btoui64(string(w), 0)
if pc != 0 {
f := runtime.FuncForPC(uintptr(pc))
if f != nil {
fmt.Fprintf(c, "%#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
}
}
}
// exec a program, redirecting output
func DateServer(c *http.Conn, req *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
r, w, err := os.Pipe()
if err != nil {
fmt.Fprintf(c, "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(c, "fork/exec: %s\n", err)
return
}
io.Copy(c, r)
wait, err := os.Wait(pid, 0)
if err != nil {
fmt.Fprintf(c, "wait: %s\n", err)
return
}
if !wait.Exited() || wait.ExitStatus() != 0 {
fmt.Fprintf(c, "date: %v\n", wait)
return
}
}
func serveError502(conn *http.Conn, host string) {
conn.WriteHeader(http.StatusBadGateway)
conn.SetHeader(contentType, textHTML)
conn.SetHeader(contentLength, error502Length)
conn.Write(error502)
logRequest(http.StatusBadGateway, host, conn)
}
func add(c *http.Conn, req *http.Request) {
if req.Method == "POST" && len(strings.TrimSpace(req.FormValue("code"))) > 0 {
paste := savePaste(req.FormValue("code"), req.FormValue("private") != "")
c.SetHeader("Location", "/view/"+paste)
c.WriteHeader(http.StatusFound)
} else {
c.Write(strings.Bytes("No code submitted.\n"))
}
}
// url: /blog/entry/add
func AddEntry(c *http.Conn, req *http.Request) {
req.ParseForm();
heading, body := req.FormValue("heading"), req.FormValue("body");
if len(heading) > 0 && len(body) > 0 {
blog.AddEntry(heading, body)
}
c.SetHeader("Location", "/blog");
c.WriteHeader(http.StatusFound);
}
func (proxy *Proxy) ServeHTTP(conn *http.Conn, 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 (s FileServer) ServeHTTP(c *http.Conn, req *http.Request) {
content, err := ioutil.ReadFile(s.loc)
if err != nil {
log.Stderr(err)
} else {
// get mime type
mimeType := mime.TypeByExtension(path.Ext(s.loc)) // TODO cache this
c.SetHeader("Content-Type", mimeType)
fmt.Fprintf(c, "%s", content)
}
}
func FlagServer(c *http.Conn, req *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
fmt.Fprint(c, "Flags:\n")
flag.VisitAll(func(f *flag.Flag) {
if f.Value.String() != f.DefValue {
fmt.Fprintf(c, "%s = %s [default = %s]\n", f.Name, f.Value.String(), f.DefValue)
} else {
fmt.Fprintf(c, "%s = %s\n", f.Name, f.Value.String())
}
})
}
func expvarHandler(c *http.Conn, req *http.Request) {
c.SetHeader("content-type", "application/json; charset=utf-8")
fmt.Fprintf(c, "{\n")
first := true
for name, value := range vars {
if !first {
fmt.Fprintf(c, ",\n")
}
first = false
fmt.Fprintf(c, "%q: %s", name, value)
}
fmt.Fprintf(c, "\n}\n")
}
// url: /blog/comment/add
func AddComment(c *http.Conn, req *http.Request) {
req.ParseForm();
entryIDString, text := req.FormValue("entry_id"), req.FormValue("text");
if len(entryIDString) > 0 && len(text) > 0 {
if entryID, parseErr := strconv.Atoi(entryIDString); parseErr == nil {
if foundEntry := blog.FindEntry(entryID); foundEntry != nil {
foundEntry.AddComment(text);
}
}
}
c.SetHeader("Location", "/blog/entry/" + entryIDString);
c.WriteHeader(http.StatusFound);
}
func home(c *http.Conn, req *http.Request) {
if req.Method == "POST" && len(strings.TrimSpace(req.FormValue("code"))) > 0 {
paste := savePaste(req.FormValue("code"), req.FormValue("private") != "")
c.SetHeader("Content-type", "text/plain; charset=utf-8")
c.Write(strings.Bytes("http://" + DOMAIN + "/view/" + paste + "\n"))
} else {
theme := curTheme(req)
homePage.Execute(map[string]string{
"theme": theme,
"theme_select": themeSelect(theme),
},
c)
}
}
func (ss *SessionService) StartSession(c *http.Conn, req *http.Request, d map[string]string) *persist.Model { // d was json.Json
log.Stderrf(">StartSession:");
// TODO: uuid4 generate sid instead of "sid-" plus random
// s := new(Session);
// s.Id = ss.Name + "-" + strconv.Itoa(rand.Int());
// s.Data = d;
s := ss.persist_service.New(ss.Name+"-"+strconv.Itoa(rand.Int()), d);
// TODO: refactor out cookie things
// TODO: cookie domain
c.SetHeader("Set-Cookie", ss.Name+"=" + s.Id + "; expires=Fri, 31-Dec-2011 23:59:59 GMT; path=/; domain=sol.caveman.org");
// TODO: real thing not unprotected (threadwise) in-memory only "sessions"
// ss.sessions[s.Id] = *s;
return s;
}
func FileServer(c *http.Conn, req *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
pathVar.Add(req.URL.Path, 1)
path := *webroot + req.URL.Path // TODO: insecure: use os.CleanName
f, err := os.Open(path, os.O_RDONLY, 0)
if err != nil {
c.WriteHeader(http.StatusNotFound)
fmt.Fprintf(c, "open %s: %v\n", path, err)
return
}
n, _ := io.Copy(c, f)
fmt.Fprintf(c, "[%d bytes]\n", n)
f.Close()
}
func serveHTTP(c *http.Conn, req *http.Request) {
if req.Method != "CONNECT" {
c.SetHeader("Content-Type", "text/plain; charset=utf-8")
c.WriteHeader(http.StatusMethodNotAllowed)
io.WriteString(c, "405 must CONNECT to "+rpcPath+"\n")
return
}
conn, _, err := c.Hijack()
if err != nil {
log.Stderr("rpc hijacking ", c.RemoteAddr, ": ", err.String())
return
}
io.WriteString(conn, "HTTP/1.0 "+connected+"\n\n")
server.input(conn)
}
func handlePngChart(c *http.Conn, req *http.Request) {
// Fehlerhandler registrieren
defer handleErrors("handlePngChart", true)
log("Erzeuge PNG Chart...")
// CSV-Datei einlesen
data, err := readCsvFile("./table.csv")
if err == nil {
// Content-Type im HTTP-Header
c.SetHeader("Content-Type", "image/png")
// Chart erzeugen und in den Ausgabestrom schreiben
drawPngChart(600, 400, data, c)
log("PNG Chart ausgeliefert.")
} else {
log("PNG Chart konnte nicht erstellt werden.")
}
}
// url: /blog
func Index(c *http.Conn, req *http.Request) {
revEntries := blog.EntriesReversed();
frontPageEntries := make([]frontPageEntry, len(revEntries));
for i, e := range revEntries {
frontPageEntries[i].Entry = e;
frontPageEntries[i].CommentCount = e.Comments.Len();
}
if tmpl, err := loadTemplate("index.html"); err == nil {
tmpl.Execute(frontPageEntries, c);
} else {
c.SetHeader("Content-Type", "text/plain; charset=utf-8");
c.WriteHeader(http.StatusInternalServerError);
io.WriteString(c, "500 internal server error\n");
}
}
func exec(c *http.Conn, args []string) (status int) {
r, w, err := os.Pipe();
if err != nil {
log.Stderrf("os.Pipe(): %v\n", err);
return 2;
}
bin := args[0];
fds := []*os.File{nil, w, w};
if *verbose {
log.Stderrf("executing %v", args);
}
pid, err := os.ForkExec(bin, args, os.Environ(), goroot, fds);
defer r.Close();
w.Close();
if err != nil {
log.Stderrf("os.ForkExec(%q): %v\n", bin, err);
return 2;
}
var buf bytes.Buffer;
io.Copy(&buf, r);
wait, err := os.Wait(pid, 0);
if err != nil {
os.Stderr.Write(buf.Bytes());
log.Stderrf("os.Wait(%d, 0): %v\n", pid, err);
return 2;
}
status = wait.ExitStatus();
if !wait.Exited() || status > 1 {
os.Stderr.Write(buf.Bytes());
log.Stderrf("executing %v failed (exit status = %d)", args, status);
return;
}
if *verbose {
os.Stderr.Write(buf.Bytes());
}
if c != nil {
c.SetHeader("content-type", "text/plain; charset=utf-8");
c.Write(buf.Bytes());
}
return;
}
func (redirector *Redirector) ServeHTTP(conn *http.Conn, req *http.Request) {
var url string
if len(req.URL.RawQuery) > 0 {
url = fmt.Sprintf(redirectURLQuery, redirector.url, req.URL.Path, req.URL.RawQuery)
} else {
url = fmt.Sprintf(redirectURL, redirector.url, req.URL.Path)
}
if len(url) == 0 {
url = "/"
}
conn.SetHeader("Location", url)
conn.WriteHeader(http.StatusMovedPermanently)
fmt.Fprintf(conn, redirectHTML, url)
logRequest(http.StatusMovedPermanently, req.Host, conn)
}
func (this *router) ServeHTTP(conn *http.Conn, httpReq *http.Request) {
var reqs []*Request
contentType := httpReq.Header["Content-Type"]
switch {
default:
http.Error(conn, fmt.Sprintf("Illegal content type %v", contentType), http.StatusInternalServerError)
return
case strings.HasPrefix(contentType, "application/json"):
reqs = this.decodeTransaction(httpReq.Body)
case strings.HasPrefix(contentType, "application/x-www-form-urlencoded"):
httpReq.ParseForm()
reqs = this.decodeFormPost(httpReq.Form)
}
resps := new(vector.Vector)
for _, req := range reqs {
resps.Push(this.respond(req))
}
conn.SetHeader("Content-Type", "application/json; charset=utf-8")
json.NewEncoder(&keysToLowerWriter{conn}).Encode(resps)
}
// url: /blog/entry/(\d+)
// 1: ID of blog post to show.
func Entry(c *http.Conn, req *http.Request) {
idString := req.URL.String();
idString = idString[len("/blog/entry/"):len(idString)];
if entryID, parseErr := strconv.Atoi(idString); parseErr == nil {
if foundEntry := blog.FindEntry(entryID); foundEntry != nil {
var entry singlePageEntry;
entry.Entry = foundEntry;
entry.Comments = foundEntry.Comments.Data();
entry.CommentCount = len(entry.Comments);
if tmpl, err := loadTemplate("entry.html"); err == nil {
tmpl.Execute(entry, c);
} else {
c.SetHeader("Content-Type", "text/plain; charset=utf-8");
c.WriteHeader(http.StatusInternalServerError);
io.WriteString(c, "500 internal server error\n");
}
} else {
c.SetHeader("Content-Type", "text/plain; charset=utf-8");
c.WriteHeader(http.StatusNotFound);
io.WriteString(c, "404 not found\n");
}
} else {
c.SetHeader("Content-Type", "text/plain; charset=utf-8");
c.WriteHeader(http.StatusInternalServerError);
io.WriteString(c, "500 internal server error\n");
}
}
func (frontend *Frontend) ServeHTTP(conn *http.Conn, req *http.Request) {
if frontend.enforceHost && req.Host != frontend.officialHost {
conn.SetHeader("Location", frontend.officialRedirectURL)
conn.WriteHeader(http.StatusMovedPermanently)
conn.Write(frontend.officialRedirectHTML)
logRequest(http.StatusMovedPermanently, req.Host, conn)
return
}
originalHost := req.Host
// Open a connection to the App Engine server.
gaeConn, err := net.Dial("tcp", "", frontend.gaeAddr)
if err != nil {
if debugMode {
fmt.Printf("Couldn't connect to remote %s: %v\n", frontend.gaeHost, err)
}
serveError502(conn, originalHost)
return
}
var gae net.Conn
if frontend.gaeTLS {
gae = tls.Client(gaeConn, tlsconf.Config)
defer gae.Close()
} else {
gae = gaeConn
}
// Modify the request Host: header.
req.Host = frontend.gaeHost
// Send the request to the App Engine server.
err = req.Write(gae)
if err != nil {
if debugMode {
fmt.Printf("Error writing to App Engine: %v\n", err)
}
serveError502(conn, originalHost)
return
}
// Parse the response from App Engine.
resp, err := http.ReadResponse(bufio.NewReader(gae), req.Method)
if err != nil {
if debugMode {
fmt.Printf("Error parsing response from App Engine: %v\n", err)
}
serveError502(conn, originalHost)
return
}
// Read the full response body.
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
if debugMode {
fmt.Printf("Error reading response from App Engine: %v\n", err)
}
serveError502(conn, originalHost)
resp.Body.Close()
return
}
// Set the received headers back to the initial connection.
for k, v := range resp.Header {
conn.SetHeader(k, v)
}
// Write the response body back to the initial connection.
resp.Body.Close()
conn.WriteHeader(resp.StatusCode)
conn.Write(body)
logRequest(resp.StatusCode, originalHost, conn)
}
func PushServer(c *http.Conn, req *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
c.SetHeader("Server", "jonaz ajax server")
hostname := strings.Split(c.Req.Host, ":")
sess := req.FormValue("sess")
//example http long fetch request
//http://localhost:12345/?fetch&sess=112551
if sess != "" {
_, test := sessions[sess+hostname[0]]
if test {
io.WriteString(c, "error, sessions already running fetch")
sessions[sess+hostname[0]] = nil, false
return
}
//sessions[sess].data = make(chan string);
sessions[sess+hostname[0]] = make(chan string)
killtimer := make(chan bool)
go timer(sess+hostname[0], killtimer)
value := <-sessions[sess+hostname[0]]
killtimer <- true
io.WriteString(c, "query: "+c.Req.URL.RawQuery+"\nPush: \n")
fmt.Fprintf(c, "val: %s", value)
os.Stdout.WriteString("Hostname: " + c.Req.Host + " (sess:" + value + ") ---")
os.Stdout.WriteString("value.hostname: " + hostname[0] + "\n")
sessions[sess+hostname[0]] = nil, false
return
}
//safety check. dont want outsiders to push!
if hostname[0] != "localhost" {
io.WriteString(c, "only localhost allowed to push! Nothing to do.....")
return
}
//example request to push to sessions in "to" variable
//http://localhost:12345/?cmd=1&to=1,2,3,4,5,6,7,9,10,11,12,13,14&data=12ljalgijasljga
if len(sessions) > 0 && req.FormValue("cmd") == "1" {
fmt.Fprintf(c, "Time: %d\n", time.Seconds())
sendto := strings.Split(req.FormValue("to"), ",", 0)
data := req.FormValue("data")
host := req.FormValue("domain")
for _, sendtoval := range sendto {
_, test := sessions[sendtoval+host]
if test {
sessions[sendtoval+host] <- data
io.WriteString(c, "sending to channel... var: "+data+"\n to session: "+sendtoval+"\nqueue: ")
fmt.Fprintf(c, "Time: %d\n", time.Seconds())
}
}
return
}
io.WriteString(c, "Nothing to do.....")
return
}
func (this *api) ServeHTTP(conn *http.Conn, req *http.Request) {
conn.SetHeader("Content-Type", "text/javascript; charset=utf-8")
json.NewEncoder(&keysToLowerWriter{conn}).Encode(this.provider)
}
// hello world, the web server
func HelloServer(c *http.Conn, req *http.Request) {
c.SetHeader("Content-Type", "image/svg+xml; charset=utf-8")
page := strm.Int(req.URL.RawQuery, 1) - 1
io.WriteString(c, string(svg.Page(pd, page)))
}
// Heap responds with the pprof-formatted heap profile.
// The package initialization registers it as /debug/pprof/heap.
func Heap(c *http.Conn, r *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
pprof.WriteHeapProfile(c)
}
func echo(c *http.Conn, r *http.Request) {
c.SetHeader("Content-Type", r.Header["Content-Type"])
io.Copy(c, r.Body)
}
func handler(conn *http.Conn, req *http.Request) {
conn.SetHeader("Content-Type", "text/plain")
conn.Write(Resp)
}
// Cmdline responds with the running program's
// command line, with arguments separated by NUL bytes.
// The package initialization registers it as /debug/pprof/cmdline.
func Cmdline(c *http.Conn, r *http.Request) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
fmt.Fprintf(c, strings.Join(os.Args, "\x00"))
}
func serveText(c *http.Conn, text []byte) {
c.SetHeader("content-type", "text/plain; charset=utf-8")
c.Write(text)
}
func ServeTestHTTP(conn *http.Conn, req *http.Request) {
req.Close = true
if api_key, ok := req.Header["Authorization"]; !ok || api_key != API_KEY {
text := []byte(ERROR_CODES[http.StatusUnauthorized])
conn.SetHeader("Content-Type", "text/html;charset=ISO-8859-1")
conn.SetHeader("Cache-Control", "must-revalidate,no-cache,no-store")
conn.SetHeader("Content-Length", strconv.Itoa(len(text)))
conn.WriteHeader(http.StatusUnauthorized)
conn.Write(text)
conn.Flush()
return
}
if text, ok := URL_MAPPINGS[req.URL.Path]; ok {
conn.SetHeader("Content-Type", "application/xml;charset=UTF-8")
conn.SetHeader("Transfer-Encoding", "chunked")
// for some reason, api.rapleaf.com does not send Content-Length
// when sending stored data
conn.WriteHeader(http.StatusOK)
conn.Write([]byte(text))
conn.Flush()
return
}
text := []byte(ERROR_CODES[http.StatusNotFound])
conn.SetHeader("Content-Type", "text/html;charset=ISO-8859-1")
conn.SetHeader("Cache-Control", "must-revalidate,no-cache,no-store")
conn.SetHeader("Content-Length", strconv.Itoa(len(text)))
conn.WriteHeader(http.StatusNotFound)
conn.Write(text)
conn.Flush()
return
}
