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go/godoc/page.go
Andrew Gerrand 1330b289ad godoc: hide and block share functionality from specific countries
This will permit us to serve *.golang.org to Chinese users.

Change-Id: I5217753aa67931522c7e6be106477534c99a20b2
Reviewed-on: https://go-review.googlesource.com/14194
Reviewed-by: Andrew Gerrand <adg@golang.org>
2015-09-02 05:52:45 +00:00

59 lines
1.3 KiB
Go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package godoc
import (
"net/http"
"runtime"
)
// Page describes the contents of the top-level godoc webpage.
type Page struct {
Title string
Tabtitle string
Subtitle string
Query string
Body []byte
Share bool
// filled in by servePage
SearchBox bool
Playground bool
Version string
}
func (p *Presentation) ServePage(w http.ResponseWriter, page Page) {
if page.Tabtitle == "" {
page.Tabtitle = page.Title
}
page.SearchBox = p.Corpus.IndexEnabled
page.Playground = p.ShowPlayground
page.Version = runtime.Version()
applyTemplateToResponseWriter(w, p.GodocHTML, page)
}
func (p *Presentation) ServeError(w http.ResponseWriter, r *http.Request, relpath string, err error) {
w.WriteHeader(http.StatusNotFound)
p.ServePage(w, Page{
Title: "File " + relpath,
Subtitle: relpath,
Body: applyTemplate(p.ErrorHTML, "errorHTML", err), // err may contain an absolute path!
Share: allowShare(r),
})
}
var onAppengine = false // overriden in appengine.go when on app engine
func allowShare(r *http.Request) bool {
if !onAppengine {
return true
}
switch r.Header.Get("X-AppEngine-Country") {
case "", "ZZ", "HK", "CN", "RC":
return false
}
return true
}