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90 lines
3.2 KiB
90 lines
3.2 KiB
// Copyright 2013 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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// This file contains the handlers that serve go-import redirects for Go
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// sub-repositories. It specifies the mapping from import paths like
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// "golang.org/x/tools" to the actual repository locations.
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package main
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import (
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"html/template"
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"log"
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"net/http"
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"strings"
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)
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const xPrefix = "/x/"
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type xRepo struct {
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URL, VCS string
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}
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var xMap = map[string]xRepo{
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"codereview": {"https://code.google.com/p/go.codereview", "hg"},
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"arch": {"https://go.googlesource.com/arch", "git"},
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"benchmarks": {"https://go.googlesource.com/benchmarks", "git"},
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"blog": {"https://go.googlesource.com/blog", "git"},
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"build": {"https://go.googlesource.com/build", "git"},
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"crypto": {"https://go.googlesource.com/crypto", "git"},
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"debug": {"https://go.googlesource.com/debug", "git"},
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"exp": {"https://go.googlesource.com/exp", "git"},
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"image": {"https://go.googlesource.com/image", "git"},
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"mobile": {"https://go.googlesource.com/mobile", "git"},
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"net": {"https://go.googlesource.com/net", "git"},
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"oauth2": {"https://go.googlesource.com/oauth2", "git"},
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"perf": {"https://go.googlesource.com/perf", "git"},
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"playground": {"https://go.googlesource.com/playground", "git"},
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"review": {"https://go.googlesource.com/review", "git"},
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"sync": {"https://go.googlesource.com/sync", "git"},
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"sys": {"https://go.googlesource.com/sys", "git"},
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"talks": {"https://go.googlesource.com/talks", "git"},
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"term": {"https://go.googlesource.com/term", "git"},
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"text": {"https://go.googlesource.com/text", "git"},
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"time": {"https://go.googlesource.com/time", "git"},
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"tools": {"https://go.googlesource.com/tools", "git"},
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"tour": {"https://go.googlesource.com/tour", "git"},
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}
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func init() {
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http.HandleFunc(xPrefix, xHandler)
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}
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func xHandler(w http.ResponseWriter, r *http.Request) {
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head, tail := strings.TrimPrefix(r.URL.Path, xPrefix), ""
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if i := strings.Index(head, "/"); i != -1 {
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head, tail = head[:i], head[i:]
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}
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if head == "" {
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http.Redirect(w, r, "https://godoc.org/-/subrepo", http.StatusTemporaryRedirect)
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return
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}
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repo, ok := xMap[head]
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if !ok {
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http.NotFound(w, r)
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return
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}
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data := struct {
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Prefix, Head, Tail string
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Repo xRepo
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}{xPrefix, head, tail, repo}
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if err := xTemplate.Execute(w, data); err != nil {
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log.Println("xHandler:", err)
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}
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}
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var xTemplate = template.Must(template.New("x").Parse(`<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
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<meta name="go-import" content="golang.org{{.Prefix}}{{.Head}} {{.Repo.VCS}} {{.Repo.URL}}">
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<meta name="go-source" content="golang.org{{.Prefix}}{{.Head}} https://github.com/golang/{{.Head}}/ https://github.com/golang/{{.Head}}/tree/master{/dir} https://github.com/golang/{{.Head}}/blob/master{/dir}/{file}#L{line}">
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<meta http-equiv="refresh" content="0; url=https://godoc.org/golang.org{{.Prefix}}{{.Head}}{{.Tail}}">
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</head>
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<body>
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Nothing to see here; <a href="https://godoc.org/golang.org{{.Prefix}}{{.Head}}{{.Tail}}">move along</a>.
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</body>
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</html>
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`))
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