// Prints HTMLized JSON for Browsers & plain text for others.
func humanJSON(v interface{}, w http.ResponseWriter, r *http.Request) {
out, err := json.MarshalIndent(v, "", " ")
if err != nil {
log.Printf("Error json.MarshalIndent: %s", err)
}
if strings.Contains(r.Header.Get("Accept"), "text/html") {
view.Write(w, r, &h.Document{
Inner: &h.Frag{
&h.Head{
Inner: &h.Frag{
&h.Meta{Charset: "utf-8"},
&h.Title{h.String("Dump")},
},
},
&h.Body{
Inner: &h.Pre{
Inner: h.String(string(out)),
},
},
},
})
} else {
w.Header().Set("Content-Type", "text/plain; charset=utf-8")
w.Write(out)
w.Write([]byte("\n"))
}
}
func SdkChannel(w http.ResponseWriter, r *http.Request) {
const maxAge = 31536000 // 1 year
context, err := context.FromRequest(r)
if err != nil {
view.Error(w, r, err)
return
}
service.Stats.Inc("viewed channel")
w.Header().Set("Cache-Control", fmt.Sprintf("public, max-age=%d", maxAge))
view.Write(w, r, &h.Script{Src: context.SdkURL()})
}
func List(w http.ResponseWriter, r *http.Request) {
context, err := context.FromRequest(r)
if err != nil {
view.Error(w, r, err)
return
}
service.Stats.Inc("viewed examples listing")
view.Write(w, r, &examplesList{
Context: context,
DB: examples.GetDB(context.Version),
})
}
func Example(w http.ResponseWriter, r *http.Request) {
context, example, err := parse(r)
if err != nil {
view.Error(w, r, err)
return
}
service.Stats.Inc("viewed stock example")
view.Write(w, r, &page{
Writer: w,
Request: r,
Context: context,
Example: example,
})
}
func Raw(w http.ResponseWriter, r *http.Request) {
context, example, err := parse(r)
if err != nil {
view.Error(w, r, err)
return
}
if !example.AutoRun {
view.Error(
w, r, errors.New("Not allowed to view this example in raw mode."))
return
}
service.Stats.Inc("viewed example in raw mode")
view.Write(w, r, &exampleContent{
Context: context,
Example: example,
})
}
func Saved(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" && r.URL.Path == savedPath {
c, err := context.FromRequest(r)
if err != nil {
view.Error(w, r, err)
return
}
if !xsrf.Validate(r.FormValue(paramName), w, r, savedPath) {
service.Stats.Inc(savedPath + " xsrf failure")
view.Error(w, r, errTokenMismatch)
return
}
content := bytes.TrimSpace([]byte(r.FormValue("code")))
content = bytes.Replace(content, []byte{13}, nil, -1) // remove CR
id := examples.ContentID(content)
db := examples.GetDB(c.Version)
example, ok := db.Reverse[id]
if ok {
http.Redirect(w, r, c.ViewURL(example.URL), 302)
return
}
err = exampleStore.Save(id, content)
if err != nil {
view.Error(w, r, err)
return
}
service.Stats.Inc("saved example")
http.Redirect(w, r, c.ViewURL(savedPath+id), 302)
return
} else {
context, example, err := parse(r)
if err != nil {
view.Error(w, r, err)
return
}
service.Stats.Inc("viewed saved example")
view.Write(w, r, &page{
Writer: w,
Request: r,
Context: context,
Example: example,
})
}
}
func Simple(w http.ResponseWriter, r *http.Request) {
context, example, err := parse(r)
if err != nil {
view.Error(w, r, err)
return
}
if !example.AutoRun {
view.Error(
w, r, errors.New("Not allowed to view this example in simple mode."))
return
}
service.Stats.Inc("viewed example in simple mode")
view.Write(w, r, &h.Document{
Inner: &h.Frag{
&h.Head{
Inner: &h.Frag{
&h.Meta{Charset: "utf-8"},
&h.Title{h.String(example.Title)},
},
},
&h.Body{
Inner: &h.Frag{
&loader.HTML{
Resource: []loader.Resource{
&fb.Init{
AppID: context.AppID,
ChannelURL: context.ChannelURL(),
URL: context.SdkURL(),
},
},
},
&h.Div{
ID: "example",
Inner: &exampleContent{
Context: context,
Example: example,
},
},
},
},
},
})
}
func Start(w http.ResponseWriter, r *http.Request) {
c, err := context.FromRequest(r)
if err != nil {
view.Error(w, r, err)
return
}
values := url.Values{}
values.Set("client_id", strconv.FormatUint(c.AppID, 10))
if scope := r.FormValue("scope"); scope != "" {
values.Set("scope", scope)
}
if c.ViewMode == context.Website {
values.Set("redirect_uri", redirectURI(c))
values.Set("state", state(w, r))
} else {
values.Set("redirect_uri", c.ViewURL("/auth/session"))
}
dialogURL := fburl.URL{
Scheme: "https",
SubDomain: fburl.DWww,
Env: c.Env,
Path: "/dialog/oauth",
Values: values,
}
if c.ViewMode == context.Website {
http.Redirect(w, r, dialogURL.String(), 302)
} else {
b, _ := json.Marshal(dialogURL.String())
view.Write(w, r, &h.Script{
Inner: h.Unsafe(fmt.Sprintf("top.location=%s", b)),
})
}
}