func aboutPage(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
fmt.Fprintf(w, "<h1>%v</h1>", appengine.DefaultVersionHostname(c))
token, expire, _ := appengine.AccessToken(c, "test")
fmt.Fprintf(w, "<p>AccessToken: %v %v", token, expire)
fmt.Fprintf(w, "<p>AppID: %v", appengine.AppID(c))
fmt.Fprintf(w, "<p>FQAppID: %v", c.FullyQualifiedAppID())
fmt.Fprintf(w, "<p>Go version: %v", runtime.Version())
fmt.Fprintf(w, "<p>Datacenter: %v", appengine.Datacenter())
fmt.Fprintf(w, "<p>InstanceID: %v", appengine.InstanceID())
fmt.Fprintf(w, "<p>IsDevAppServer: %v", appengine.IsDevAppServer())
fmt.Fprintf(w, "<p>RequestID: %v", appengine.RequestID(c))
fmt.Fprintf(w, "<p>ServerSoftware: %v", appengine.ServerSoftware())
sa, _ := appengine.ServiceAccount(c)
fmt.Fprintf(w, "<p>ServiceAccount: %v", sa)
keyname, signed, _ := appengine.SignBytes(c, []byte("test"))
fmt.Fprintf(w, "<p>SignBytes: %v %v", keyname, signed)
fmt.Fprintf(w, "<p>VersionID: %v", appengine.VersionID(c))
fmt.Fprintf(w, "<p>Request: %v", r)
r2 := c.Request()
fmt.Fprintf(w, "<p>Context Request type/value: %T %v", r2, r2)
}
// info generates a page of information useful to the developers
func info(w http.ResponseWriter, r *http.Request) {
// must do all reading before any writing
var data struct {
Req *http.Request
Body []byte
BE error
Dctr string
GoArch string
GoOs string
GoVer string
VID string
Vtime string
MaxCx int
}
data.Req = r
data.Body, data.BE = ioutil.ReadAll(r.Body)
data.Dctr = appengine.Datacenter()
data.GoArch = runtime.GOARCH
data.GoOs = runtime.GOOS
data.GoVer = runtime.Version()
data.VID = appengine.VersionID(appengine.NewContext(r))
data.MaxCx = rx.MaxComplexity
var ver int
var bigtime int64
fmt.Sscanf(data.VID, "%d.%d", &ver, &bigtime)
if strings.HasPrefix(r.Host, "localhost:") {
// don't know how to decode this in SDK environment
data.Vtime = "?!"
} else {
// decode VID to match with appengine admin logs
t := time.Unix(bigtime>>28, 0)
data.Vtime = t.Format("01/02 15:04")
}
putheader(w, r, "Info")
fmt.Fprint(w,
"<P>(Information for use of the website maintainers.)\n<P>")
fmt.Fprintf(w, "<span class=cg>= cg =</span> \n") // .cg
fmt.Fprintf(w, "<span class=cw>= cw =</span> \n") // .cw
for i := 0; i < NCOLORS; i++ {
fmt.Fprintf(w, "<span class=%s>= %s =</span> \n",
colorname(i), colorname(i))
}
fmt.Fprintln(w)
tInfo.Execute(w, data)
putfooter(w, r)
}
func Datacenter(_ netcontext.Context) string { return appengine.Datacenter() }