| // Copyright 2013 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. |
| |
| // This file contains the handlers that serve go-import redirects for Go |
| // sub-repositories. It specifies the mapping from import paths like |
| // "golang.org/x/tools" to the actual repository locations. |
| |
| package main |
| |
| import ( |
| "html/template" |
| "log" |
| "net/http" |
| "strings" |
| ) |
| |
| const xPrefix = "/x/" |
| |
| type xRepo struct { |
| URL, VCS string |
| } |
| |
| var xMap = map[string]xRepo{ |
| "codereview": {"https://code.google.com/p/go.codereview", "hg"}, // Not included at https://golang.org/pkg/#subrepo. |
| |
| "arch": {"https://go.googlesource.com/arch", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "benchmarks": {"https://go.googlesource.com/benchmarks", "git"}, |
| "blog": {"https://go.googlesource.com/blog", "git"}, |
| "build": {"https://go.googlesource.com/build", "git"}, |
| "crypto": {"https://go.googlesource.com/crypto", "git"}, |
| "debug": {"https://go.googlesource.com/debug", "git"}, |
| "exp": {"https://go.googlesource.com/exp", "git"}, |
| "image": {"https://go.googlesource.com/image", "git"}, |
| "lint": {"https://go.googlesource.com/lint", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "mobile": {"https://go.googlesource.com/mobile", "git"}, |
| "mod": {"https://go.googlesource.com/mod", "git"}, |
| "net": {"https://go.googlesource.com/net", "git"}, |
| "oauth2": {"https://go.googlesource.com/oauth2", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "perf": {"https://go.googlesource.com/perf", "git"}, |
| "playground": {"https://go.googlesource.com/playground", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "review": {"https://go.googlesource.com/review", "git"}, |
| "sync": {"https://go.googlesource.com/sync", "git"}, |
| "sys": {"https://go.googlesource.com/sys", "git"}, |
| "talks": {"https://go.googlesource.com/talks", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "term": {"https://go.googlesource.com/term", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "text": {"https://go.googlesource.com/text", "git"}, |
| "time": {"https://go.googlesource.com/time", "git"}, |
| "tools": {"https://go.googlesource.com/tools", "git"}, |
| "tour": {"https://go.googlesource.com/tour", "git"}, |
| "vgo": {"https://go.googlesource.com/vgo", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "website": {"https://go.googlesource.com/website", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| "xerrors": {"https://go.googlesource.com/xerrors", "git"}, // Not included at https://golang.org/pkg/#subrepo. |
| } |
| |
| func init() { |
| http.HandleFunc(xPrefix, xHandler) |
| } |
| |
| func xHandler(w http.ResponseWriter, r *http.Request) { |
| head, tail := strings.TrimPrefix(r.URL.Path, xPrefix), "" |
| if i := strings.Index(head, "/"); i != -1 { |
| head, tail = head[:i], head[i:] |
| } |
| if head == "" { |
| http.Redirect(w, r, "https://godoc.org/-/subrepo", http.StatusTemporaryRedirect) |
| return |
| } |
| repo, ok := xMap[head] |
| if !ok { |
| http.NotFound(w, r) |
| return |
| } |
| data := struct { |
| Prefix, Head, Tail string |
| Repo xRepo |
| }{xPrefix, head, tail, repo} |
| if err := xTemplate.Execute(w, data); err != nil { |
| log.Println("xHandler:", err) |
| } |
| } |
| |
| var xTemplate = template.Must(template.New("x").Parse(`<!DOCTYPE html> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> |
| <meta name="go-import" content="golang.org{{.Prefix}}{{.Head}} {{.Repo.VCS}} {{.Repo.URL}}"> |
| <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}"> |
| <meta http-equiv="refresh" content="0; url=https://godoc.org/golang.org{{.Prefix}}{{.Head}}{{.Tail}}"> |
| </head> |
| <body> |
| Nothing to see here; <a href="https://godoc.org/golang.org{{.Prefix}}{{.Head}}{{.Tail}}">move along</a>. |
| </body> |
| </html> |
| `)) |
