wide/output/get.go

147 lines
3.3 KiB
Go

// Copyright (c) 2014-2015, b3log.org
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package output
import (
"bufio"
"encoding/json"
"io"
"io/ioutil"
"math/rand"
"net/http"
"os/exec"
"path/filepath"
"github.com/b3log/wide/conf"
"github.com/b3log/wide/i18n"
"github.com/b3log/wide/session"
"github.com/b3log/wide/util"
)
// GoGetHandler handles request of go get.
func GoGetHandler(w http.ResponseWriter, r *http.Request) {
result := util.NewResult()
defer util.RetResult(w, r, result)
httpSession, _ := session.HTTPSession.Get(r, "wide-session")
if httpSession.IsNew {
http.Error(w, "Forbidden", http.StatusForbidden)
return
}
username := httpSession.Values["username"].(string)
locale := conf.GetUser(username).Locale
var args map[string]interface{}
if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
logger.Error(err)
result.Succ = false
return
}
sid := args["sid"].(string)
filePath := args["file"].(string)
curDir := filepath.Dir(filePath)
cmd := exec.Command("go", "get")
cmd.Dir = curDir
setCmdEnv(cmd, username)
stdout, err := cmd.StdoutPipe()
if nil != err {
logger.Error(err)
result.Succ = false
return
}
stderr, err := cmd.StderrPipe()
if nil != err {
logger.Error(err)
result.Succ = false
return
}
if !result.Succ {
return
}
channelRet := map[string]interface{}{}
if nil != session.OutputWS[sid] {
// display "START [go get]" in front-end browser
channelRet["output"] = "<span class='start-get'>" + i18n.Get(locale, "start-get").(string) + "</span>\n"
channelRet["cmd"] = "start-get"
wsChannel := session.OutputWS[sid]
err := wsChannel.WriteJSON(&channelRet)
if nil != err {
logger.Warn(err)
return
}
wsChannel.Refresh()
}
reader := bufio.NewReader(io.MultiReader(stdout, stderr))
if err := cmd.Start(); nil != err {
logger.Error(err)
result.Succ = false
return
}
go func(runningId int) {
defer util.Recover()
defer cmd.Wait()
logger.Debugf("User [%s, %s] is running [go get] [runningId=%d]", username, sid, runningId)
channelRet := map[string]interface{}{}
channelRet["cmd"] = "go get"
// read all
buf, _ := ioutil.ReadAll(reader)
if 0 != len(buf) {
logger.Debugf("User [%s, %s] 's [go get] [runningId=%d] has done (with error)", username, sid, runningId)
channelRet["output"] = "<span class='get-error'>" + i18n.Get(locale, "get-error").(string) + "</span>\n" + string(buf)
} else {
logger.Debugf("User [%s, %s] 's running [go get] [runningId=%d] has done", username, sid, runningId)
channelRet["output"] = "<span class='get-succ'>" + i18n.Get(locale, "get-succ").(string) + "</span>\n"
}
if nil != session.OutputWS[sid] {
wsChannel := session.OutputWS[sid]
err := wsChannel.WriteJSON(&channelRet)
if nil != err {
logger.Warn(err)
}
wsChannel.Refresh()
}
}(rand.Int())
}