404 lines
8.0 KiB
Go
404 lines
8.0 KiB
Go
// 文件树操作.
|
||
package file
|
||
|
||
import (
|
||
"encoding/json"
|
||
"io/ioutil"
|
||
"net/http"
|
||
"os"
|
||
"path/filepath"
|
||
"runtime"
|
||
"sort"
|
||
"strings"
|
||
|
||
"github.com/b3log/wide/conf"
|
||
"github.com/b3log/wide/session"
|
||
"github.com/b3log/wide/util"
|
||
"github.com/golang/glog"
|
||
)
|
||
|
||
// 构造用户工作空间文件树.
|
||
//
|
||
// 将 Go API 源码包（$GOROOT/src/pkg）也作为子节点，这样能方便用户查看 Go API 源码.
|
||
func GetFiles(w http.ResponseWriter, r *http.Request) {
|
||
data := map[string]interface{}{"succ": true}
|
||
defer util.RetJSON(w, r, data)
|
||
|
||
session, _ := session.HTTPSession.Get(r, "wide-session")
|
||
|
||
username := session.Values["username"].(string)
|
||
userSrc := conf.Wide.GetUserWorkspace(username) + string(os.PathSeparator) + "src"
|
||
|
||
root := FileNode{Name: "projects", Path: userSrc, IconSkin: "ico-ztree-dir ", Type: "d", FileNodes: []*FileNode{}}
|
||
|
||
// 构造 Go API 节点
|
||
apiPath := runtime.GOROOT() + string(os.PathSeparator) + "src" + string(os.PathSeparator) + "pkg"
|
||
apiNode := FileNode{Name: "Go API", Path: apiPath, FileNodes: []*FileNode{}}
|
||
|
||
goapiBuildOKSignal := make(chan bool)
|
||
go func() {
|
||
apiNode.Type = "d"
|
||
// TOOD: Go API 用另外的样式
|
||
apiNode.IconSkin = "ico-ztree-dir "
|
||
|
||
walk(apiPath, &apiNode)
|
||
|
||
// 放行信号
|
||
close(goapiBuildOKSignal)
|
||
}()
|
||
|
||
// 构造用户工作空间文件树
|
||
walk(userSrc, &root)
|
||
|
||
// 等待放行
|
||
<-goapiBuildOKSignal
|
||
|
||
// 添加 Go API 节点
|
||
root.FileNodes = append(root.FileNodes, &apiNode)
|
||
|
||
data["root"] = root
|
||
}
|
||
|
||
// 编辑器打开一个文件.
|
||
func GetFile(w http.ResponseWriter, r *http.Request) {
|
||
data := map[string]interface{}{"succ": true}
|
||
defer util.RetJSON(w, r, data)
|
||
|
||
decoder := json.NewDecoder(r.Body)
|
||
|
||
var args map[string]interface{}
|
||
|
||
if err := decoder.Decode(&args); err != nil {
|
||
glog.Error(err)
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
|
||
path := args["path"].(string)
|
||
buf, _ := ioutil.ReadFile(path)
|
||
|
||
extension := filepath.Ext(path)
|
||
|
||
// 通过文件扩展名判断是否是图片文件（图片在浏览器里新建 tab 打开）
|
||
if isImg(extension) {
|
||
data["mode"] = "img"
|
||
|
||
path2 := strings.Replace(path, "\\", "/", -1)
|
||
idx := strings.Index(path2, "/data/user_workspaces")
|
||
data["path"] = path2[idx:]
|
||
|
||
return
|
||
}
|
||
|
||
isBinary := false
|
||
// 判断是否是其他二进制文件
|
||
for _, b := range buf {
|
||
if 0 == b { // 包含 0 字节就认为是二进制文件
|
||
isBinary = true
|
||
}
|
||
}
|
||
|
||
if isBinary {
|
||
// 是二进制文件的话前端编辑器不打开
|
||
data["succ"] = false
|
||
data["msg"] = "Can't open a binary file :("
|
||
} else {
|
||
data["content"] = string(buf)
|
||
data["mode"] = getEditorMode(extension)
|
||
data["path"] = path
|
||
}
|
||
}
|
||
|
||
// 保存文件.
|
||
func SaveFile(w http.ResponseWriter, r *http.Request) {
|
||
data := map[string]interface{}{"succ": true}
|
||
defer util.RetJSON(w, r, data)
|
||
|
||
decoder := json.NewDecoder(r.Body)
|
||
|
||
var args map[string]interface{}
|
||
|
||
if err := decoder.Decode(&args); err != nil {
|
||
glog.Error(err)
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
|
||
filePath := args["file"].(string)
|
||
|
||
fout, err := os.Create(filePath)
|
||
|
||
if nil != err {
|
||
glog.Error(err)
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
|
||
code := args["code"].(string)
|
||
|
||
fout.WriteString(code)
|
||
|
||
if err := fout.Close(); nil != err {
|
||
glog.Error(err)
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
}
|
||
|
||
// 新建文件/目录.
|
||
func NewFile(w http.ResponseWriter, r *http.Request) {
|
||
data := map[string]interface{}{"succ": true}
|
||
defer util.RetJSON(w, r, data)
|
||
|
||
decoder := json.NewDecoder(r.Body)
|
||
|
||
var args map[string]interface{}
|
||
|
||
if err := decoder.Decode(&args); err != nil {
|
||
glog.Error(err)
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
|
||
path := args["path"].(string)
|
||
fileType := args["fileType"].(string)
|
||
|
||
if !createFile(path, fileType) {
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
|
||
if "f" == fileType {
|
||
extension := filepath.Ext(path)
|
||
data["mode"] = getEditorMode(extension)
|
||
}
|
||
}
|
||
|
||
// 删除文件/目录.
|
||
func RemoveFile(w http.ResponseWriter, r *http.Request) {
|
||
data := map[string]interface{}{"succ": true}
|
||
defer util.RetJSON(w, r, data)
|
||
|
||
decoder := json.NewDecoder(r.Body)
|
||
|
||
var args map[string]interface{}
|
||
|
||
if err := decoder.Decode(&args); err != nil {
|
||
glog.Error(err)
|
||
data["succ"] = false
|
||
|
||
return
|
||
}
|
||
|
||
path := args["path"].(string)
|
||
|
||
if !removeFile(path) {
|
||
data["succ"] = false
|
||
}
|
||
}
|
||
|
||
// 文件节点，用于构造文件树.
|
||
type FileNode struct {
|
||
Name string `json:"name"`
|
||
Path string `json:"path"`
|
||
IconSkin string `json:"iconSkin"` // 值的末尾应该有一个空格
|
||
Type string `json:"type"` // "f"：文件，"d"：文件夹
|
||
Mode string `json:"mode"`
|
||
FileNodes []*FileNode `json:"children"`
|
||
}
|
||
|
||
// 遍历指定的路径，构造文件树.
|
||
func walk(path string, node *FileNode) {
|
||
files := listFiles(path)
|
||
|
||
for _, filename := range files {
|
||
fpath := filepath.Join(path, filename)
|
||
|
||
fio, _ := os.Lstat(fpath)
|
||
|
||
child := FileNode{Name: filename, Path: fpath, FileNodes: []*FileNode{}}
|
||
node.FileNodes = append(node.FileNodes, &child)
|
||
|
||
if nil == fio {
|
||
glog.Warningf("Path [%s] is nil", fpath)
|
||
|
||
continue
|
||
}
|
||
|
||
if fio.IsDir() {
|
||
child.Type = "d"
|
||
child.IconSkin = "ico-ztree-dir "
|
||
|
||
walk(fpath, &child)
|
||
} else {
|
||
child.Type = "f"
|
||
ext := filepath.Ext(fpath)
|
||
|
||
child.IconSkin = getIconSkin(ext)
|
||
child.Mode = getEditorMode(ext)
|
||
}
|
||
}
|
||
|
||
return
|
||
}
|
||
|
||
// 列出 dirname 指定目录下的文件/目录名.
|
||
func listFiles(dirname string) []string {
|
||
f, _ := os.Open(dirname)
|
||
|
||
names, _ := f.Readdirnames(-1)
|
||
f.Close()
|
||
|
||
sort.Strings(names)
|
||
|
||
dirs := []string{}
|
||
files := []string{}
|
||
|
||
// 排序：目录靠前，文件靠后
|
||
for _, name := range names {
|
||
fio, _ := os.Lstat(filepath.Join(dirname, name))
|
||
|
||
if fio.IsDir() {
|
||
// 排除 .git 目录
|
||
if ".git" == fio.Name() {
|
||
continue
|
||
}
|
||
|
||
dirs = append(dirs, name)
|
||
} else {
|
||
files = append(files, name)
|
||
}
|
||
}
|
||
|
||
return append(dirs, files...)
|
||
}
|
||
|
||
// 根据文件后缀获取文件树图标 CSS 类名.
|
||
//
|
||
// CSS 类名可参考 zTree 文档.
|
||
func getIconSkin(filenameExtension string) string {
|
||
if isImg(filenameExtension) {
|
||
return "ico-ztree-img "
|
||
}
|
||
|
||
switch filenameExtension {
|
||
case ".html", ".htm":
|
||
return "ico-ztree-html "
|
||
case ".go":
|
||
return "ico-ztree-go "
|
||
case ".css":
|
||
return "ico-ztree-css "
|
||
case ".txt":
|
||
return "ico-ztree-text "
|
||
case ".sql":
|
||
return "ico-ztree-sql "
|
||
case ".properties":
|
||
return "ico-ztree-pro "
|
||
case ".md":
|
||
return "ico-ztree-md "
|
||
case ".js", ".json":
|
||
return "ico-ztree-js "
|
||
case ".xml":
|
||
return "ico-ztree-xml "
|
||
default:
|
||
return "ico-ztree-other "
|
||
}
|
||
}
|
||
|
||
// 根据文件后缀获取编辑器 mode.
|
||
//
|
||
// 编辑器 mode 可参考 CodeMirror 文档.
|
||
func getEditorMode(filenameExtension string) string {
|
||
switch filenameExtension {
|
||
case ".go":
|
||
return "text/x-go"
|
||
case ".html":
|
||
return "text/html"
|
||
case ".md":
|
||
return "text/x-markdown"
|
||
case ".js":
|
||
return "text/javascript"
|
||
case ".json":
|
||
return "application/json"
|
||
case ".css":
|
||
return "text/css"
|
||
case ".xml":
|
||
return "application/xml"
|
||
case ".sh":
|
||
return "text/x-sh"
|
||
case ".sql":
|
||
return "text/x-sql"
|
||
default:
|
||
return "text/plain"
|
||
}
|
||
}
|
||
|
||
// 在 path 指定的路径上创建文件.
|
||
//
|
||
// fileType:
|
||
//
|
||
// "f": 文件
|
||
// "d": 目录
|
||
func createFile(path, fileType string) bool {
|
||
switch fileType {
|
||
case "f":
|
||
file, err := os.OpenFile(path, os.O_CREATE, 0664)
|
||
if nil != err {
|
||
glog.Info(err)
|
||
|
||
return false
|
||
}
|
||
|
||
defer file.Close()
|
||
|
||
glog.Infof("Created file [%s]", path)
|
||
|
||
return true
|
||
case "d":
|
||
err := os.Mkdir(path, 0775)
|
||
|
||
if nil != err {
|
||
glog.Info(err)
|
||
}
|
||
|
||
glog.Infof("Created directory [%s]", path)
|
||
|
||
return true
|
||
default:
|
||
glog.Infof("Unsupported file type [%s]", fileType)
|
||
|
||
return false
|
||
}
|
||
}
|
||
|
||
// 删除 path 指定路径的文件或目录.
|
||
func removeFile(path string) bool {
|
||
if err := os.RemoveAll(path); nil != err {
|
||
glog.Errorf("Removes [%s] failed: [%s]", path, err.Error())
|
||
|
||
return false
|
||
}
|
||
|
||
glog.Infof("Removed [%s]", path)
|
||
|
||
return true
|
||
}
|
||
|
||
// 根据文件名后缀判断是否是图片文件.
|
||
func isImg(extension string) bool {
|
||
ext := strings.ToLower(extension)
|
||
|
||
switch ext {
|
||
case ".jpg", ".jpeg", ".bmp", ".gif", ".png", ".svg", ".ico":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|