106 lines
2.3 KiB
Go
106 lines
2.3 KiB
Go
// Copyright (c) 2014, B3log
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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 editor
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import (
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"encoding/json"
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"net/http"
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"os"
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"os/exec"
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"runtime"
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"strings"
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"github.com/b3log/wide/conf"
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"github.com/b3log/wide/session"
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"github.com/b3log/wide/util"
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"github.com/golang/glog"
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)
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// GoFmtHandler handles request of formatting Go source code.
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//
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// This function will select a format tooll based on user's configuration:
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// 1. gofmt
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// 2. goimports
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func GoFmtHandler(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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session, _ := session.HTTPSession.Get(r, "wide-session")
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username := session.Values["username"].(string)
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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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glog.Error(err)
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data["succ"] = false
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return
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}
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filePath := args["file"].(string)
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apiPath := runtime.GOROOT() + conf.PathSeparator + "src" + conf.PathSeparator + "pkg"
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if strings.HasPrefix(filePath, apiPath) { // if it is Go API source code
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// ignore it
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return
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}
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fout, err := os.Create(filePath)
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if nil != err {
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glog.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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glog.Error(err)
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data["succ"] = false
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return
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}
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fmt := conf.Wide.GetGoFmt(username)
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argv := []string{filePath}
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cmd := exec.Command(fmt, argv...)
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bytes, _ := cmd.Output()
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output := string(bytes)
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if "" == output {
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// format error, returns the original content
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data["succ"] = true
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data["code"] = code
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return
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}
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code = string(output)
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data["code"] = code
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fout, err = os.Create(filePath)
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fout.WriteString(code)
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if err := fout.Close(); nil != err {
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glog.Error(err)
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data["succ"] = false
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return
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}
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}
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