Fix #222

file/decompress.go

@@ -0,0 +1,57 @@
+// 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 file
+
+import (
+	"encoding/json"
+	"net/http"
+	"path/filepath"
+
+	"github.com/b3log/wide/util"
+)
+
+// DecompressHandler handles request of decompressing zip/tar.gz.
+func DecompressHandler(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{"succ": true}
+	defer util.RetJSON(w, r, data)
+
+	var args map[string]interface{}
+	if err := json.NewDecoder(r.Body).Decode(&args); err != nil {
+		logger.Error(err)
+		data["succ"] = false
+
+		return
+	}
+
+	path := args["path"].(string)
+	//	base := filepath.Base(path)
+	dir := filepath.Dir(path)
+
+	if !util.File.IsExist(path) {
+		data["succ"] = false
+		data["msg"] = "Can't find file [" + path + "] to descompress"
+
+		return
+	}
+
+	err := util.Zip.Unzip(path, dir)
+	if nil != err {
+		logger.Error(err)
+		data["succ"] = false
+
+		return
+	}
+
+}

i18n/en_US.json

@@ -176,5 +176,6 @@
     "embeded": "Embeded",
     "git_clone": "Git Clone",
     "terms": "Terms",
-    "download": "Download"
+    "download": "Download",
+    "decompress": "Decompress"
 }

i18n/ja_JP.json

@@ -176,5 +176,6 @@
     "embeded": "埋め込む",
     "git_clone": "Git クローン",
     "terms": "利用規約",
-    "download": "ダウンロード"
+    "download": "ダウンロード",
+    "decompress": "解凍する"
 }

i18n/zh_CN.json

@@ -176,5 +176,6 @@
     "embeded": "嵌入",
     "git_clone": "Git 克隆",
     "terms": "使用条款",
-    "download": "下载"
+    "download": "下载",
+    "decompress": "解压缩"
 }

i18n/zh_TW.json

@@ -176,5 +176,6 @@
     "embeded": "嵌入",
     "git_clone": "Git 克隆",
     "terms": "使用條款",
-    "download": "下載"
+    "download": "下載",
+    "decompress": "解壓縮"
 }

main.go

@@ -143,6 +143,7 @@ func main() {
 	http.HandleFunc(conf.Wide.Context+"/file/zip/new", handlerWrapper(file.CreateZipHandler))
 	http.HandleFunc(conf.Wide.Context+"/file/zip", handlerWrapper(file.GetZipHandler))
 	http.HandleFunc(conf.Wide.Context+"/file/upload", handlerWrapper(file.UploadHandler))
+	http.HandleFunc(conf.Wide.Context+"/file/decompress", handlerWrapper(file.DecompressHandler))
 
 	// editor
 	http.HandleFunc(conf.Wide.Context+"/editor/ws", handlerWrapper(editor.WSHandler))

static/js/tree.js

@@ -170,6 +170,27 @@ var tree = {
             window.open(config.context + '/file/zip?path=' + wide.curNode.path + ".zip");
         }
     },
+    decompress: function () {
+        var request = newWideRequest();
+        request.path = wide.curNode.path;
+
+        $.ajax({
+            async: false,
+            type: 'POST',
+            url: config.context + '/file/decompress',
+            data: JSON.stringify(request),
+            dataType: "json",
+            success: function (data) {
+                if (!data.succ) {
+                    $("#dialogAlert").dialog("open", data.msg);
+
+                    return false;
+                }
+
+                isSucc = true;
+            }
+        });
+    },
     refresh: function (it) {
         if (it) {
             if ($(it).hasClass("disabled")) {
@@ -248,12 +269,18 @@ var tree = {
                                     wide.curNode = treeNode;
                                     tree.fileTree.selectNode(treeNode);
 
-                                    if (!tree.isDir()) { // 如果右击了文件
+                                    if (!tree.isDir()) { // if right click on a file
                                         if (wide.curNode.removable) {
                                             $fileRMenu.find(".remove").removeClass("disabled");
                                         } else {
                                             $fileRMenu.find(".remove").addClass("disabled");
                                         }
+                                        
+                                        if (wide.curNode.path.indexOf("zip", wide.curNode.path.length - "zip".length) === -1) { // !path.endsWith("zip")
+                                            $fileRMenu.find(".decompress").hide();
+                                        } else {
+                                            $fileRMenu.find(".decompress").show();
+                                        }
 
                                         var top = event.clientY - 10;
                                         if ($fileRMenu.height() + top > $('.content').height()) {

util/zip.go

@@ -141,3 +141,61 @@ func (z *ZipFile) AddDirectory(path, dirName string) error {
 
 	return nil
 }
+
+func cloneZipItem(f *zip.File, dest string) error {
+	// create full directory path
+	path := filepath.Join(dest, f.Name)
+
+	err := os.MkdirAll(filepath.Dir(path), os.ModeDir|os.ModePerm)
+	if nil != err {
+		return err
+	}
+
+	if f.FileInfo().IsDir() {
+		return nil
+	}
+
+	// clone if item is a file
+
+	rc, err := f.Open()
+	if nil != err {
+		return err
+	}
+
+	defer rc.Close()
+
+	// use os.Create() since Zip don't store file permissions.
+	fileCopy, err := os.Create(path)
+	if nil != err {
+		return err
+	}
+
+	defer fileCopy.Close()
+
+	_, err = io.Copy(fileCopy, rc)
+	if nil != err {
+		return err
+	}
+
+	return nil
+}
+
+// Unzip extracts a zip file specified by the zipFilePath to the destination.
+func (*myzip) Unzip(zipFilePath, destination string) error {
+	r, err := zip.OpenReader(zipFilePath)
+
+	if nil != err {
+		return err
+	}
+
+	defer r.Close()
+
+	for _, f := range r.File {
+		err = cloneZipItem(f, destination)
+		if nil != err {
+			return err
+		}
+	}
+
+	return nil
+}

views/index.html

@@ -457,9 +457,12 @@
                                     <span class="space"></span> {{.i18n.rename}}
                                 </li>
                                 <li class="hr"></li>
-                                <li class="" onclick="tree.export(this);">
+                                <li class="export" onclick="tree.export(this);">
                                     <span class="ico-export font-ico"></span> {{.i18n.export}}
                                 </li>
+                                <li class="decompress" onclick="tree.decompress(this);">
+                                    <span class="space"></span> {{.i18n.decompress}}
+                                </li>
                             </ul>
                         </div>
                     </div>