128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
// Copyright (c) 2014-2018, b3log.org & hacpai.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package shell include playground related mainipulations.
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package playground
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import (
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"html/template"
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"io/ioutil"
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"math/rand"
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"net/http"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/b3log/wide/conf"
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"github.com/b3log/wide/i18n"
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"github.com/b3log/wide/log"
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"github.com/b3log/wide/session"
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"github.com/b3log/wide/util"
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"github.com/gorilla/websocket"
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)
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// Logger.
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var logger = log.NewLogger(os.Stdout)
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// IndexHandler handles request of Playground index.
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func IndexHandler(w http.ResponseWriter, r *http.Request) {
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// create a HTTP session
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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httpSession.Values["id"] = strconv.Itoa(rand.Int())
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httpSession.Values["username"] = "playground"
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}
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httpSession.Options.MaxAge = conf.Wide.HTTPSessionMaxAge
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if "" != conf.Wide.Context {
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httpSession.Options.Path = conf.Wide.Context
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}
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httpSession.Save(r, w)
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username := httpSession.Values["username"].(string)
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locale := conf.Wide.Locale
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// try to load file
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code := conf.HelloWorld
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fileName := "8b7cc38b4c12e6fde5c4d15a4f2f32e5.go" // MD5 of HelloWorld.go
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if strings.HasSuffix(r.URL.Path, ".go") {
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fileNameArg := r.URL.Path[len("/playground/"):]
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filePath := filepath.Clean(conf.Wide.Playground + "/" + fileNameArg)
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bytes, err := ioutil.ReadFile(filePath)
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if nil != err {
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logger.Warn(err)
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} else {
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code = string(bytes)
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fileName = fileNameArg
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}
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}
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query := r.URL.Query()
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embed := false
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embedArg, ok := query["embed"]
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if ok && "true" == embedArg[0] {
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embed = true
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}
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disqus := false
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disqusArg, ok := query["disqus"]
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if ok && "true" == disqusArg[0] {
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disqus = true
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}
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model := map[string]interface{}{"conf": conf.Wide, "i18n": i18n.GetAll(locale), "locale": locale,
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"sid": session.WideSessions.GenId(), "pathSeparator": conf.PathSeparator,
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"codeMirrorVer": conf.CodeMirrorVer,
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"code": template.HTML(code), "ver": conf.WideVersion, "year": time.Now().Year(),
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"embed": embed, "disqus": disqus, "fileName": fileName}
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wideSessions := session.WideSessions.GetByUsername(username)
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logger.Debugf("User [%s] has [%d] sessions", username, len(wideSessions))
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t, err := template.ParseFiles("views/playground/index.html")
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if nil != err {
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logger.Error(err)
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http.Error(w, err.Error(), 500)
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return
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}
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t.Execute(w, model)
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}
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// WSHandler handles request of creating Playground channel.
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func WSHandler(w http.ResponseWriter, r *http.Request) {
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sid := r.URL.Query()["sid"][0]
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conn, _ := websocket.Upgrade(w, r, nil, 1024, 1024)
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wsChan := util.WSChannel{Sid: sid, Conn: conn, Request: r, Time: time.Now()}
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ret := map[string]interface{}{"output": "Playground initialized", "cmd": "init-playground"}
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err := wsChan.WriteJSON(&ret)
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if nil != err {
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return
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}
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session.PlaygroundWS[sid] = &wsChan
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logger.Tracef("Open a new [PlaygroundWS] with session [%s], %d", sid, len(session.PlaygroundWS))
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}
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