256 lines
5.2 KiB
Go
256 lines
5.2 KiB
Go
// Copyright (c) 2014-2015, b3log.org
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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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// http://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 output
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import (
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"bufio"
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"encoding/json"
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"io"
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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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"os/exec"
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"path/filepath"
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"strconv"
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"strings"
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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/session"
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"github.com/b3log/wide/util"
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)
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// BuildHandler handles request of building.
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func BuildHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
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defer util.RetJSON(w, r, data)
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httpSession, _ := session.HTTPSession.Get(r, "wide-session")
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if httpSession.IsNew {
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http.Error(w, "Forbidden", http.StatusForbidden)
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return
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}
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username := httpSession.Values["username"].(string)
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locale := conf.GetUser(username).Locale
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var args map[string]interface{}
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if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
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logger.Error(err)
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data["succ"] = false
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return
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}
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sid := args["sid"].(string)
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filePath := args["file"].(string)
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curDir := filepath.Dir(filePath)
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fout, err := os.Create(filePath)
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if nil != err {
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logger.Error(err)
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data["succ"] = false
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return
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}
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code := args["code"].(string)
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fout.WriteString(code)
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if err := fout.Close(); nil != err {
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logger.Error(err)
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data["succ"] = false
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return
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}
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suffix := ""
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if util.OS.IsWindows() {
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suffix = ".exe"
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}
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cmd := exec.Command("go", "build")
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cmd.Dir = curDir
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setCmdEnv(cmd, username)
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executable := filepath.Base(curDir) + suffix
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executable = filepath.Join(curDir, executable)
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stdout, err := cmd.StdoutPipe()
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if nil != err {
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logger.Error(err)
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data["succ"] = false
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return
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}
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stderr, err := cmd.StderrPipe()
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if nil != err {
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logger.Error(err)
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data["succ"] = false
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return
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}
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if !data["succ"].(bool) {
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return
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}
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channelRet := map[string]interface{}{}
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if nil != session.OutputWS[sid] {
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// display "START [go build]" in front-end browser
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channelRet["output"] = "<span class='start-build'>" + i18n.Get(locale, "start-build").(string) + "</span>\n"
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channelRet["cmd"] = "start-build"
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wsChannel := session.OutputWS[sid]
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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logger.Error(err)
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return
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}
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wsChannel.Refresh()
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}
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reader := bufio.NewReader(io.MultiReader(stdout, stderr))
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if err := cmd.Start(); nil != err {
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logger.Error(err)
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data["succ"] = false
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return
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}
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go func(runningId int) {
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defer util.Recover()
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defer cmd.Wait()
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// logger.Debugf("User [%s, %s] is building [id=%d, dir=%s]", username, sid, runningId, curDir)
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// read all
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buf, _ := ioutil.ReadAll(reader)
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channelRet := map[string]interface{}{}
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channelRet["cmd"] = "build"
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channelRet["executable"] = executable
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if 0 == len(buf) { // build success
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channelRet["nextCmd"] = args["nextCmd"]
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channelRet["output"] = "<span class='build-succ'>" + i18n.Get(locale, "build-succ").(string) + "</span>\n"
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go func() { // go install, for subsequent gocode lib-path
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defer util.Recover()
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cmd := exec.Command("go", "install")
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cmd.Dir = curDir
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setCmdEnv(cmd, username)
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out, _ := cmd.CombinedOutput()
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if len(out) > 0 {
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logger.Warn(string(out))
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}
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}()
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} else { // build error
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// build gutter lint
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errOut := string(buf)
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lines := strings.Split(errOut, "\n")
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// path process
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var errOutWithPath string
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for _, line := range lines {
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errOutWithPath += parsePath(curDir, line) + "\n"
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}
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channelRet["output"] = "<span class='build-error'>" + i18n.Get(locale, "build-error").(string) + "</span>\n" +
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"<span class='stderr'>" + errOutWithPath + "</span>"
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// lint process
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if lines[0][0] == '#' {
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lines = lines[1:] // skip the first line
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}
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lints := []*Lint{}
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for _, line := range lines {
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if len(line) < 1 {
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continue
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}
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if line[0] == '\t' {
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// append to the last lint
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last := len(lints)
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msg := lints[last-1].Msg
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msg += line
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lints[last-1].Msg = msg
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continue
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}
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file := line[:strings.Index(line, ":")]
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left := line[strings.Index(line, ":")+1:]
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index := strings.Index(left, ":")
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lineNo := 0
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msg := left
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if index >= 0 {
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lineNo, err = strconv.Atoi(left[:index])
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if nil != err {
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continue
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}
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msg = left[index+2:]
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}
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lint := &Lint{
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File: filepath.Join(curDir, file),
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LineNo: lineNo - 1,
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Severity: lintSeverityError,
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Msg: msg,
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}
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lints = append(lints, lint)
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}
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channelRet["lints"] = lints
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}
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if nil != session.OutputWS[sid] {
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// logger.Debugf("User [%s, %s] 's build [id=%d, dir=%s] has done", username, sid, runningId, curDir)
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wsChannel := session.OutputWS[sid]
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err := wsChannel.WriteJSON(&channelRet)
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if nil != err {
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logger.Warn(err)
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}
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wsChannel.Refresh()
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}
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}(rand.Int())
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}
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