Add generated file
This PR adds generated files under pkg/client and vendor folder.
This commit is contained in:
xing-yang
173
vendor/golang.org/x/tools/godoc/short/short.go
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vendored
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173
vendor/golang.org/x/tools/godoc/short/short.go
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@@ -0,0 +1,173 @@
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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// +build appengine
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// Package short implements a simple URL shortener, serving an administrative
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// interface at /s and shortened urls from /s/key.
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// It is designed to run only on the instance of godoc that serves golang.org.
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package short
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// TODO(adg): collect statistics on URL visits
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import (
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"errors"
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"fmt"
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"html/template"
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"net/http"
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"net/url"
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"regexp"
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"golang.org/x/net/context"
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"google.golang.org/appengine"
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"google.golang.org/appengine/datastore"
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"google.golang.org/appengine/log"
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"google.golang.org/appengine/memcache"
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"google.golang.org/appengine/user"
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)
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const (
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prefix = "/s"
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kind = "Link"
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baseURL = "https://golang.org" + prefix
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)
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// Link represents a short link.
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type Link struct {
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Key, Target string
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}
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var validKey = regexp.MustCompile(`^[a-zA-Z0-9-_.]+$`)
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func RegisterHandlers(mux *http.ServeMux) {
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mux.HandleFunc(prefix, adminHandler)
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mux.HandleFunc(prefix+"/", linkHandler)
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}
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// linkHandler services requests to short URLs.
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// http://golang.org/s/key
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// It consults memcache and datastore for the Link for key.
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// It then sends a redirects or an error message.
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func linkHandler(w http.ResponseWriter, r *http.Request) {
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c := appengine.NewContext(r)
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key := r.URL.Path[len(prefix)+1:]
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if !validKey.MatchString(key) {
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http.Error(w, "not found", http.StatusNotFound)
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return
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}
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var link Link
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_, err := memcache.JSON.Get(c, cacheKey(key), &link)
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if err != nil {
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k := datastore.NewKey(c, kind, key, 0, nil)
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err = datastore.Get(c, k, &link)
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switch err {
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case datastore.ErrNoSuchEntity:
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http.Error(w, "not found", http.StatusNotFound)
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return
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default: // != nil
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log.Errorf(c, "%q: %v", key, err)
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http.Error(w, "internal server error", http.StatusInternalServerError)
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return
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case nil:
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item := &memcache.Item{
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Key: cacheKey(key),
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Object: &link,
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}
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if err := memcache.JSON.Set(c, item); err != nil {
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log.Warningf(c, "%q: %v", key, err)
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}
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}
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}
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http.Redirect(w, r, link.Target, http.StatusFound)
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}
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var adminTemplate = template.Must(template.New("admin").Parse(templateHTML))
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// adminHandler serves an administrative interface.
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func adminHandler(w http.ResponseWriter, r *http.Request) {
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c := appengine.NewContext(r)
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if !user.IsAdmin(c) {
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http.Error(w, "forbidden", http.StatusForbidden)
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return
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}
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var newLink *Link
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var doErr error
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if r.Method == "POST" {
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key := r.FormValue("key")
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switch r.FormValue("do") {
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case "Add":
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newLink = &Link{key, r.FormValue("target")}
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doErr = putLink(c, newLink)
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case "Delete":
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k := datastore.NewKey(c, kind, key, 0, nil)
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doErr = datastore.Delete(c, k)
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default:
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http.Error(w, "unknown action", http.StatusBadRequest)
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}
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err := memcache.Delete(c, cacheKey(key))
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if err != nil && err != memcache.ErrCacheMiss {
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log.Warningf(c, "%q: %v", key, err)
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}
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}
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var links []*Link
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_, err := datastore.NewQuery(kind).Order("Key").GetAll(c, &links)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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log.Errorf(c, "%v", err)
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return
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}
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// Put the new link in the list if it's not there already.
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// (Eventual consistency means that it might not show up
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// immediately, which might be confusing for the user.)
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if newLink != nil && doErr == nil {
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found := false
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for i := range links {
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if links[i].Key == newLink.Key {
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found = true
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break
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}
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}
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if !found {
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links = append([]*Link{newLink}, links...)
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}
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newLink = nil
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}
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var data = struct {
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BaseURL string
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Prefix string
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Links []*Link
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New *Link
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Error error
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}{baseURL, prefix, links, newLink, doErr}
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if err := adminTemplate.Execute(w, &data); err != nil {
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log.Criticalf(c, "adminTemplate: %v", err)
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}
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}
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// putLink validates the provided link and puts it into the datastore.
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func putLink(c context.Context, link *Link) error {
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if !validKey.MatchString(link.Key) {
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return errors.New("invalid key; must match " + validKey.String())
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}
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if _, err := url.Parse(link.Target); err != nil {
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return fmt.Errorf("bad target: %v", err)
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}
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k := datastore.NewKey(c, kind, link.Key, 0, nil)
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_, err := datastore.Put(c, k, link)
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return err
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}
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// cacheKey returns a short URL key as a memcache key.
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func cacheKey(key string) string {
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return "link-" + key
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}
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121
vendor/golang.org/x/tools/godoc/short/tmpl.go
generated
vendored
Normal file
121
vendor/golang.org/x/tools/godoc/short/tmpl.go
generated
vendored
Normal file
@@ -0,0 +1,121 @@
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// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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// +build appengine
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package short
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const templateHTML = `
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<!doctype HTML>
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<html>
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<head>
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<title>golang.org URL shortener</title>
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<style>
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body {
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background: white;
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}
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input {
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border: 1px solid #ccc;
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}
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input[type=text] {
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width: 400px;
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}
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input, td, th {
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color: #333;
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font-family: Georgia, Times New Roman, serif;
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}
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input, td {
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font-size: 14pt;
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}
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th {
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font-size: 16pt;
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text-align: left;
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padding-top: 10px;
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}
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.autoselect {
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border: none;
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}
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.error {
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color: #900;
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}
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table {
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margin-left: auto;
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margin-right: auto;
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}
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</style>
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</head>
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<body>
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<table>
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{{with .Error}}
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<tr>
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<th colspan="3">Error</th>
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</tr>
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<tr>
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<td class="error" colspan="3">{{.}}</td>
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</tr>
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{{end}}
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<tr>
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<th>Key</th>
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<th>Target</th>
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<th></th>
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</tr>
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<form method="POST" action="{{.Prefix}}">
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<tr>
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<td><input type="text" name="key"{{with .New}} value="{{.Key}}"{{end}}></td>
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<td><input type="text" name="target"{{with .New}} value="{{.Target}}"{{end}}></td>
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<td><input type="submit" name="do" value="Add">
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</tr>
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</form>
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{{with .Links}}
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<tr>
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<th>Short Link</th>
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<th> </th>
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<th> </th>
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</tr>
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{{range .}}
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<tr>
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<td><input class="autoselect" type="text" orig="{{$.BaseURL}}/{{.Key}}" value="{{$.BaseURL}}/{{.Key}}"></td>
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<td><input class="autoselect" type="text" orig="{{.Target}}" value="{{.Target}}"></td>
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<td>
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<form method="POST" action="{{$.Prefix}}">
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<input type="hidden" name="key" value="{{.Key}}">
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<input type="submit" name="do" value="Delete" class="delete">
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</form>
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</td>
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</tr>
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{{end}}
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{{end}}
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</table>
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</body>
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<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
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<script type="text/javascript">window.jQuery || document.write(unescape("%3Cscript src='/doc/jquery.js' type='text/javascript'%3E%3C/script%3E"));</script>
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<script>
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$(document).ready(function() {
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$('.autoselect').each(function() {
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$(this).click(function() {
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$(this).select();
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});
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$(this).change(function() {
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$(this).val($(this).attr('orig'));
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});
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});
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$('.delete').click(function(e) {
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var link = $(this).closest('tr').find('input').first().val();
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var ok = confirm('Delete this link?\n' + link);
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if (!ok) {
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e.preventDefault();
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return false;
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}
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});
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});
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</script>
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</html>
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`
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