77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package godoc
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import (
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"net/http"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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// Page describes the contents of the top-level godoc webpage.
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type Page struct {
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Title string
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Tabtitle string
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Subtitle string
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SrcPath string
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Query string
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Body []byte
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GoogleCN bool // page is being served from golang.google.cn
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// filled in by servePage
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SearchBox bool
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Playground bool
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Version string
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}
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func (p *Presentation) ServePage(w http.ResponseWriter, page Page) {
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if page.Tabtitle == "" {
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page.Tabtitle = page.Title
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}
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page.SearchBox = p.Corpus.IndexEnabled
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page.Playground = p.ShowPlayground
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page.Version = runtime.Version()
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applyTemplateToResponseWriter(w, p.GodocHTML, page)
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}
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func (p *Presentation) ServeError(w http.ResponseWriter, r *http.Request, relpath string, err error) {
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w.WriteHeader(http.StatusNotFound)
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if perr, ok := err.(*os.PathError); ok {
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rel, err := filepath.Rel(runtime.GOROOT(), perr.Path)
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if err != nil {
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perr.Path = "REDACTED"
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} else {
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perr.Path = filepath.Join("$GOROOT", rel)
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}
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}
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p.ServePage(w, Page{
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Title: "File " + relpath,
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Subtitle: relpath,
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Body: applyTemplate(p.ErrorHTML, "errorHTML", err),
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GoogleCN: googleCN(r),
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})
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}
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var onAppengine = false // overridden in appengine.go when on app engine
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func googleCN(r *http.Request) bool {
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if r.FormValue("googlecn") != "" {
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return true
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}
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if !onAppengine {
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return false
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}
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if strings.HasSuffix(r.Host, ".cn") {
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return true
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}
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switch r.Header.Get("X-AppEngine-Country") {
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case "", "ZZ", "CN":
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return true
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}
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return false
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}
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