Merged in sftp (pull request #103)

Sftp

* [Update] SFTP

* [Update] 修改

* [Update] 修改sftp

* [Update] 暂时这样

* [Update] 基本完成

* [Update] 修改sftp

* [Update] Sftp done

coco/app.py

@@ -21,7 +21,6 @@ from .logger import create_logger
 from .tasks import TaskHandler
 from .utils import get_logger, ugettext as _, \
     ignore_error
-from .service import init_app
 from .ctx import app_service
 from .recorder import get_replay_recorder
 from .session import Session
@@ -44,7 +43,6 @@ class Coco:
         self.replay_recorder_class = None
         self.command_recorder_class = None
         self._task_handler = None
-        init_app(self)
 
     @property
     def sshd(self):
@@ -77,7 +75,7 @@ class Coco:
 
     def bootstrap(self):
         self.make_logger()
-        app_service.initial()
+        # app_service.initial()
         self.load_extra_conf_from_server()
         self.keep_heartbeat()
         self.monitor_sessions()

coco/ctx.py

@@ -19,5 +19,6 @@ def _find(name):
 
 
 app_service = AppService(config)
+app_service.initial()
 current_app = LocalProxy(partial(_find, 'current_app'))
 # app_service = LocalProxy(partial(_find, 'app_service'))

coco/httpd/__init__.py

+# -*- coding: utf-8 -*-
+#
+
+from .app import HttpServer, app
+from . import view

coco/httpd/app.py

+# -*- coding: utf-8 -*-
+#
+
+from flask_socketio import SocketIO
+from flask import Flask
+
+from coco.utils import get_logger
+from coco.config import config
+from coco.httpd.ws import ProxyNamespace
+
+logger = get_logger(__file__)
+
+app = Flask(__name__, template_folder='templates', static_folder='static')
+app.config.update(config)
+socket_io = SocketIO()
+socket_io.on_namespace(ProxyNamespace('/ssh'))
+
+# init_kwargs = {'async_mode': 'threading'}
+init_kwargs = {'async_mode': 'eventlet'}
+socket_io.init_app(app, **init_kwargs)
+socket_io.on_error_default(lambda x: logger.exception(x))
+
+
+class HttpServer:
+    @staticmethod
+    def run():
+        host = config["BIND_HOST"]
+        port = config["HTTPD_PORT"]
+        print('Starting websocket server at {}:{}'.format(host, port))
+        socket_io.run(app, port=port, host=host, debug=False)
+
+    @staticmethod
+    def shutdown():
+        socket_io.stop()
+        pass
+
+
+

coco/httpd/auth.py

+# -*- coding: utf-8 -*-
+#
+from functools import wraps
+
+from flask import request, abort
+
+from ..ctx import app_service
+
+
+def login_required(func):
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        session_id = request.cookies.get('sessionid', '')
+        csrf_token = request.cookies.get('csrftoken', '')
+        x_forwarded_for = request.headers.get("X-Forwarded-For", '').split(',')
+        if x_forwarded_for and x_forwarded_for[0]:
+            remote_ip = x_forwarded_for[0]
+        else:
+            remote_ip = request.remote_addr
+        request.real_ip = remote_ip
+
+        if session_id and csrf_token:
+            user = app_service.check_user_cookie(session_id, csrf_token)
+            request.current_user = user
+        if not hasattr(request, 'current_user') or not request.current_user:
+            return abort(403)
+        response = func(*args, **kwargs)
+        return response
+    return wrapper

coco/httpd/base.py

+# -*- coding: utf-8 -*-
+#
+
+import os
+import uuid
+from flask_socketio import SocketIO, Namespace, join_room
+from flask import Flask, request
+
+from ..models import Connection, WSProxy
+from ..proxy import ProxyServer
+from ..utils import get_logger
+from ..ctx import app_service
+from ..config import config
+
+BASE_DIR = os.path.dirname(os.path.dirname(__file__))
+logger = get_logger(__file__)
+
+
+class BaseNamespace(Namespace):
+    current_user = None
+
+    def on_connect(self):
+        self.current_user = self.get_current_user()
+        logger.debug("{} connect websocket".format(self.current_user))
+
+    def get_current_user(self):
+        session_id = request.cookies.get('sessionid', '')
+        csrf_token = request.cookies.get('csrftoken', '')
+        user = None
+        if session_id and csrf_token:
+            user = app_service.check_user_cookie(session_id, csrf_token)
+        msg = "Get current user: session_id<{}> => {}".format(
+            session_id, user
+        )
+        logger.debug(msg)
+        request.current_user = user
+        return user

coco/httpd/finder/volumes/__init__.py

+from .sftp import SFTPVolume

coco/httpd/finder/volumes/base.py

+import base64
+import os
+import hashlib
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class BaseVolume:
+    def __init__(self, *args, **kwargs):
+        self.base_path = '/'
+        self.path_sep = '/'
+        self.dir_mode = '0o755'
+        self.file_mode = '0o644'
+    #
+    # @classmethod
+    # def get_volume(cls, request):
+    #     raise NotImplementedError
+
+    def close(self):
+        pass
+
+    def get_volume_id(self):
+        """ Returns the volume ID for the volume, which is used as a prefix
+            for client hashes.
+        """
+        raise NotImplementedError
+
+    def _remote_path(self, path):
+        path = path.lstrip(self.path_sep)
+        return self._join(self.base_path, path)
+
+    def _path(self, _hash):
+        """
+        通过_hash获取path
+        :param _hash:
+        :return:
+        """
+        if _hash in ['', '/']:
+            return self.path_sep
+        volume_id, path = self._get_volume_id_and_path_from_hash(_hash)
+        if volume_id != self.get_volume_id():
+            return self.path_sep
+        return path
+
+    def _remote_path_h(self, _hash):
+        path = self._path(_hash)
+        return self._remote_path(path)
+
+    def _is_root(self, path):
+        return path == self.path_sep
+
+    def _hash(self, path):
+        """
+        通过path生成hash
+        :param path:
+        :return:
+        """
+        if not self._is_root(path):
+            path = path.rstrip(self.path_sep)
+        _hash = "{}_{}".format(
+            self.get_volume_id(),
+            self._encode(path)
+        )
+        return _hash
+
+    @staticmethod
+    def _digest(s):
+        m = hashlib.md5()
+        m.update(s.encode())
+        return str(m.hexdigest())
+
+    @classmethod
+    def _get_volume_id_and_path_from_hash(cls, _hash):
+        volume_id, _path = _hash.split('_', 1)
+        return volume_id, cls._decode(_path)
+
+    def _encode(self, path):
+        if not self._is_root(path):
+            path = path.lstrip('/')
+        if isinstance(path, str):
+            path = path.encode()
+        _hash = base64.b64encode(path).decode()
+        _hash = _hash.translate(str.maketrans('+/=', '-_.')).rstrip('.')
+        return _hash
+
+    @staticmethod
+    def _decode(_hash):
+        _hash = _hash.translate(str.maketrans('-_.', '+/='))
+        _hash += "=" * ((4 - len(_hash) % 4) % 4)
+        if isinstance(_hash, str):
+            _hash = _hash.encode()
+        _hash = base64.b64decode(_hash).decode()
+        return _hash
+
+    @staticmethod
+    def _base_name(path):
+        return os.path.basename(path)
+
+    def _dir_name(self, path):
+        if path in ['', '/']:
+            return self.path_sep
+        path = path.rstrip('/')
+        parent_path = os.path.dirname(path)
+        return parent_path
+
+    @staticmethod
+    def _join(*args):
+        return os.path.join(*args)
+
+    def read_file_view(self, request, target):
+        """ Django view function, used to display files in response to the
+            'file' command.
+
+            :param request: The original HTTP request.
+            :param target: The hash of the target file.
+            :returns: dict -- a dict describing the new directory.
+        """
+        raise NotImplementedError
+
+    def info(self, target):
+        """ Returns a dict containing information about the target directory
+            or file. This data is used in response to 'open' commands to
+            populates the 'cwd' response var.
+
+            :param target: The hash of the directory for which we want info.
+            If this is '', return information about the root directory.
+            :returns: dict -- A dict describing the directory.
+        """
+        raise NotImplementedError
+
+    def mkdir(self, name, parent):
+        """ Creates a directory.
+
+            :param name: The name of the new directory.
+            :param parent: The hash of the parent directory.
+            :returns: dict -- a dict describing the new directory.
+        """
+        raise NotImplementedError
+
+    def mkfile(self, name, parent):
+        """ Creates a directory.
+
+            :param name: The name of the new file.
+            :param parent: The hash of the parent directory.
+            :returns: dict -- a dict describing the new file.
+        """
+        raise NotImplementedError
+
+    def rename(self, name, target):
+        """ Renames a file or directory.
+
+            :param name: The new name of the file/directory.
+            :param target: The hash of the target file/directory.
+            :returns: dict -- a dict describing which objects were added and
+            removed.
+        """
+        raise NotImplementedError
+
+    def list(self, target, name_only=False):
+        """ Lists the contents of a directory.
+
+            :param target: The hash of the target directory.
+            :param name_only: Only return the name
+            :returns: list -- a list containing the names of files/directories
+            in this directory.
+        """
+        raise NotImplementedError
+
+    def tree(self, target):
+        """ Get the sub directory of directory
+
+        :param target: The hash of the target directory.
+        :return: list - a list of containing the names of sub directories
+        """
+        raise NotImplementedError
+
+    def parents(self, target, deep=0):
+        """ Returns all parent folders and its sub directory on required deep
+            This command is invoked when a directory is reloaded in the client.
+            Data provided by 'parents' command should enable the correct drawing
+            of tree hierarchy directories.
+        :param target: The hash of the target directory.
+        :param deep: The deep to show
+        :return list - a list of containing parent and sub directory info
+        """
+        raise NotImplementedError
+
+    def paste(self, targets, source, dest, cut):
+        """ Moves/copies target files/directories from source to dest.
+
+            If a file with the same name already exists in the dest directory
+            it should be overwritten (the client asks the user to confirm this
+            before sending the request).
+
+            :param targets: A list of hashes of files/dirs to move/copy.
+            :param source: The current parent of the targets.
+            :param dest: The new parent of the targets.
+            :param cut: Boolean. If true, move the targets. If false, copy the
+            targets.
+            :returns: dict -- a dict describing which targets were moved/copied.
+        """
+        raise Exception("Not support paste")
+
+    def remove(self, targets):
+        """ Deletes the target files/directories.
+
+            The 'rm' command takes a list of targets - this function is called
+            for each target, so should only delete one file/directory.
+
+            :param targets: A list of hashes of files/dirs to delete.
+            :returns: string -- the hash of the file/dir that was deleted.
+        """
+        raise NotImplementedError
+
+    def upload(self, files, parent):
+        """ Uploads one or more files in to the parent directory.
+
+            :param files: A list of uploaded file objects, as described here:
+            https://docs.djangoproject.com/en/dev/topics/http/file-uploads/
+            :param parent: The hash of the directory in which to create the
+            new files.
+            :returns: TODO
+        """
+        raise NotImplementedError

coco/httpd/finder/volumes/sftp.py

+import logging
+import stat
+
+from flask import send_file
+
+from .base import BaseVolume
+
+
+logger = logging.getLogger(__name__)
+
+
+class SFTPVolume(BaseVolume):
+    def __init__(self, sftp):
+        self.sftp = sftp
+        self.root_name = 'Home'
+        super().__init__()
+        self._stat_cache = {}
+
+    def close(self):
+        self.sftp.close()
+
+    def get_volume_id(self):
+        tran = self.sftp.get_channel().get_transport()
+        addr = tran.getpeername()
+        username = tran.get_username()
+        volume_id = '{}@{}:{}'.format(username, *addr)
+        return self._digest(volume_id)
+
+    def info(self, target):
+        """
+        获取target的信息
+        :param target:
+        :return:
+        """
+        path = self._path(target)
+        # print("Info target '{}' {}".format(target, path))
+        return self._info(path)
+
+    def _info(self, path, attr=None):
+        remote_path = self._remote_path(path)
+        # print('_Info: {} => {}'.format(path, remote_path))
+        if attr is None:
+            attr = self.sftp.lstat(remote_path)
+        if not hasattr(attr, 'filename'):
+            filename = self.root_name if self._is_root(path) else self._base_name(remote_path)
+            attr.filename = filename
+
+        parent_path = self._dir_name(path)
+        data = {
+            "name": attr.filename,
+            "hash": self._hash(path),
+            "phash": self._hash(parent_path),
+            "ts": 0,
+            "size": 'unknown',
+            "mime": "directory" if stat.S_ISDIR(attr.st_mode) else "file",
+            "locked": 0,
+            "hidden": 0,
+            "read": 1,
+            "write": 1,
+        }
+        if data["mime"] == 'directory':
+            data["dirs"] = 1
+
+        if self._is_root(path):
+            del data['phash']
+            data['name'] = self.root_name
+            data['locked'] = 1
+            data['volume_id'] = self.get_volume_id()
+        # print("_Get stat info end")
+        return data
+
+    def _list(self, path, name_only=False):
+        """ Returns current dir dirs/files
+        """
+        remote_path = self._remote_path(path)
+        # print("_list {} => {}".format(path, remote_path))
+        if name_only:
+            return self.sftp.listdir(remote_path)
+        files = []
+        children_attrs = self.sftp.listdir_attr(remote_path)
+        for item in children_attrs:
+            item_path = self._join(path, item.filename)
+            info = self._info(item_path, attr=item)
+            files.append(info)
+        return files
+
+    def list(self, target, name_only=False):
+        """ Returns a list of files/directories in the target directory. """
+        path = self._path(target)
+        # print("List {}-{}".format(target, path))
+        return self._list(path)
+
+    def tree(self, target):
+        """ Get the sub directory of directory
+        """
+        path = self._path(target)
+        # print("Tree {} {}".format(target, path))
+        infos = self.list(target)
+        tree = list(filter(lambda x: x['mime'] == 'directory', infos))
+        return tree
+
+    def parents(self, target, depth=0):
+        """
+        获取目录的父目录, 如果deep为0，则直到根
+        """
+        path = self._path(target).rstrip(self.path_sep)
+        return self._parents(path, depth=depth)
+
+    def _parents(self, path, depth=0):
+        path = self.path_sep + path.lstrip(self.path_sep)
+        max_depth = len(path.split(self.path_sep))
+        if depth == 0 or depth > max_depth:
+            depth = max_depth
+        parent_path = self._dir_name(path)
+        infos = self._list(parent_path)
+        _parents = list(filter(lambda x: x['mime'] == 'directory', infos))
+        if self._is_root(parent_path):
+            _parents.append(self._info(self.path_sep))
+        if depth == 1:
+            return _parents
+        parents = _parents + self._parents(parent_path, depth - 1)
+        return parents
+
+    def read_file_view(self, request, target, download=True):
+        remote_path = self._remote_path_h(target)
+        f = self.sftp.open(remote_path, 'r')
+        filename = self._base_name(remote_path)
+        response = send_file(f, mimetype='application/octet-stream',
+                             as_attachment=True, attachment_filename=filename)
+        return response
+
+    def mkdir(self, names, parent, many=False):
+        """ Creates a new directory. """
+        parent_path = self._path(parent)
+        data = []
+        if not many:
+            names = [names]
+        for name in names:
+            path = self._join(parent_path, name)
+            remote_path = self._remote_path(path)
+            self.sftp.mkdir(remote_path)
+            data.append(self._info(path))
+        return data
+
+    def mkfile(self, name, parent):
+        """ Creates a new file. """
+        parent_path = self._path(parent)
+        remote_path = self._remote_path(parent_path)
+        with self.sftp.open(remote_path, mode='w'):
+            pass
+        return self._info(parent_path)
+
+    def rename(self, name, target):
+        """ Renames a file or directory. """
+        path = self._path(target)
+        remote_path = self._remote_path(path)
+        new_path = self._join(self._dir_name(path), name)
+        new_remote_path = self._remote_path(new_path)
+        self.sftp.rename(remote_path, new_remote_path)
+        return {
+            'added': [self._info(new_path)],
+            'removed': [target]
+        }
+
+    def paste(self, targets, source, dest, cut):
+        """ Moves/copies target files/directories from source to dest. """
+        return {"error": "Not support paste"}
+
+    def remove(self, target):
+        """ Delete a File or Directory object. """
+        path = self._path(target)
+        remote_path = self._remote_path(path)
+        try:
+            self.sftp.unlink(remote_path)
+        except OSError:
+            raise OSError("Delete {} failed".format(self._base_name(path)))
+        return target
+
+    def upload(self, files, parent):
+        """ For now, this uses a very naive way of storing files - the entire
+            file is read in to the File model's content field in one go.
+
+            This should be updated to use read_chunks to add the file one 
+            chunk at a time.
+        """
+        added = []
+        parent_path = self._path(parent)
+        item = files.get('upload[]')
+        path = self._join(parent_path, item.filename)
+        remote_path = self._remote_path(path)
+        infos = self._list(parent_path)
+        files_exist = [d['name'] for d in infos]
+        if item.filename in files_exist:
+            raise OSError("File {} exits".format(remote_path))
+        with self.sftp.open(remote_path, 'w') as rf:
+            for data in item:
+                rf.write(data)
+        added.append(self._info(path))
+        return {'added': added}
+
+    def size(self, target):
+        info = self.info(target)
+        return info.get('size') or 'Unknown'

coco/httpd/static/elfinder/extras/quicklook.googledocs.js

+(function(root, factory) {
+	if (typeof define === 'function' && define.amd) {
+		define(['elfinder'], factory);
+	} else if (typeof exports !== 'undefined') {
+		module.exports = factory(require('elfinder'));
+	} else {
+		factory(root.elFinder);
+	}
+}(this, function(elFinder) {
+"use strict";
+try {
+	if (! elFinder.prototype.commands.quicklook.plugins) {
+		elFinder.prototype.commands.quicklook.plugins = [];
+	}
+	elFinder.prototype.commands.quicklook.plugins.push(function(ql) {
+		var fm      = ql.fm,
+			preview = ql.preview;
+			
+		preview.on('update', function(e) {
+			var win  = ql.window,
+				file = e.file, node, loading;
+			
+			if (file.mime.indexOf('application/vnd.google-apps.') === 0) {
+				if (file.url == '1') {
+					preview.hide();
+					$('<div class="elfinder-quicklook-info-data"><button class="elfinder-info-button">'+fm.i18n('getLink')+'</button></div>').appendTo(ql.info.find('.elfinder-quicklook-info'))
+					.on('click', function() {
+						$(this).html('<span class="elfinder-info-spinner">');
+						fm.request({
+							data : {cmd : 'url', target : file.hash},
+							preventDefault : true
+						})
+						.always(function() {
+							preview.show();
+							$(this).html('');
+						})
+						.done(function(data) {
+							var rfile = fm.file(file.hash);
+							ql.value.url = rfile.url = data.url || '';
+							if (ql.value.url) {
+								preview.trigger($.Event('update', {file : ql.value}));
+							}
+						});
+					});
+				}
+				if (file.url !== '' && file.url != '1') {
+					e.stopImmediatePropagation();
+					preview.one('change', function() {
+						loading.remove();
+						node.off('load').remove();
+					});
+					
+					loading = $('<div class="elfinder-quicklook-info-data">'+fm.i18n('nowLoading')+'<span class="elfinder-info-spinner"></div>').appendTo(ql.info.find('.elfinder-quicklook-info'));
+					
+					node = $('<iframe class="elfinder-quicklook-preview-iframe"/>')
+						.css('background-color', 'transparent')
+						.appendTo(preview)
+						.on('load', function() {
+							ql.hideinfo();
+							loading.remove();
+							$(this).css('background-color', '#fff').show();
+						})
+						.attr('src', fm.url(file.hash));
+				}
+			}
+			
+		});
+	});
+} catch(e) {}
+}));

coco/httpd/static/elfinder/extras/quicklook.googledocs.min.js

+!function(n,e){"function"==typeof define&&define.amd?define(["elfinder"],e):"undefined"!=typeof exports?module.exports=e(require("elfinder")):e(n.elFinder)}(this,function(n){"use strict";try{n.prototype.commands.quicklook.plugins||(n.prototype.commands.quicklook.plugins=[]),n.prototype.commands.quicklook.plugins.push(function(n){var e=n.fm,o=n.preview;o.on("update",function(i){var t,l,r=(n.window,i.file);0===r.mime.indexOf("application/vnd.google-apps.")&&("1"==r.url&&(o.hide(),$('<div class="elfinder-quicklook-info-data"><button class="elfinder-info-button">'+e.i18n("getLink")+"</button></div>").appendTo(n.info.find(".elfinder-quicklook-info")).on("click",function(){$(this).html('<span class="elfinder-info-spinner">'),e.request({data:{cmd:"url",target:r.hash},preventDefault:!0}).always(function(){o.show(),$(this).html("")}).done(function(i){var t=e.file(r.hash);n.value.url=t.url=i.url||"",n.value.url&&o.trigger($.Event("update",{file:n.value}))})})),""!==r.url&&"1"!=r.url&&(i.stopImmediatePropagation(),o.one("change",function(){l.remove(),t.off("load").remove()}),l=$('<div class="elfinder-quicklook-info-data">'+e.i18n("nowLoading")+'<span class="elfinder-info-spinner"></div>').appendTo(n.info.find(".elfinder-quicklook-info")),t=$('<iframe class="elfinder-quicklook-preview-iframe"/>').css("background-color","transparent").appendTo(o).on("load",function(){n.hideinfo(),l.remove(),$(this).css("background-color","#fff").show()}).attr("src",e.url(r.hash))))})})}catch(e){}});
\ No newline at end of file

coco/httpd/static/elfinder/i18n/elfinder.fallback.js

+(function(factory) {
+	if (typeof define === 'function' && define.amd) {
+		define(factory);
+	} else if (typeof exports !== 'undefined') {
+		module.exports = factory();
+	} else {
+		factory();
+	}
+}(this, function() {
+	return void 0;
+}));

coco/httpd/static/elfinder/i18n/help/cs.html.js

+<h2>Tipy na obsluhu</h2>
+<p>Obsluha na uživatelském rozhraní je podobná standardnímu správci souborů operačního systému. Drag and Drop však není možné používat s mobilními prohlížeči. </p>
+<ul>
+	<li>Kliknutím pravým tlačítkem nebo dlouhým klepnutím zobrazíte kontextové menu.</li>
+	<li>Přetáhněte do stromu složek nebo do aktuálního pracovního prostoru a přetáhněte / kopírujte položky.</li>
+	<li>Výběr položky v pracovním prostoru můžete rozšířit pomocí kláves Shift nebo Alt (Možnost).</li>
+	<li>Přemístěte soubory a složky do cílové složky nebo do pracovního prostoru.</li>
+	<li>Dialog předávání může přijímat data schránky nebo seznamy adres URL a přitáhnout a odejít z jiných prohlížečů nebo správců souborů.</li>
+	<li>Zatažením spusťte stisknutím klávesy Alt (Možnost) přetáhněte do vnějšího prohlížeče. Tato funkce se převezme pomocí prohlížeče Google Chrome.</li>
+</ul>

coco/httpd/static/elfinder/i18n/help/en.html.js

+<h2>Operation Tips</h2>
+<p>Operation on the UI is similar to operating system&#39;s standard file manager. However, Drag and Drop is not possible with mobile browsers. </p>
+<ul>
+	<li>Right click or long tap to show the context menu.</li>
+	<li>Drag and drop into the folder tree or the current workspace to move/copy items.</li>
+	<li>Item selection in the workspace can be extended selection with Shift or Alt (Option) key.</li>
+	<li>Drag and Drop to the destination folder or workspace to upload files and folders.</li>
+	<li>The upload dialog can accept paste/drop clipboard data or URL lists and Drag and Drop from other browser or file managers etc.</li>
+	<li>Drag start with pressing Alt(Option) key to drag out to outside browser. It will became download operation with Google Chrome.</li>
+</ul>

coco/httpd/static/elfinder/i18n/help/es.html.js

+<h2>Consejos de operaci&oacute;n</h2>
+<p>Operar en la Interfaz del Usuario es similar al administrador de archivos estandar del sistema operativo. Sin embargo, Arrastrar y soltar no es posible con los navegadores m&oacute;viles.</p>
+<ul>
+	<li>Click derecho o un tap largo para mostrar el men&uacute; de contexto.</li>
+	<li>Arrastrar y soltar dentro del &aacute;rbol de carpetas o el espacio de trabajo actual para mover/copiar elementos.</li>
+	<li>La selecci&oacute;n de elementos en el espacio de trabajo puede ampliarse con la tecla Shift o Alt (Opci&oacute;n).</li>
+	<li>Arrastrar y soltar a la carpeta de destino o &aacute;rea de trabajo para cargar archivos y carpetas.</li>
+	<li>El cuadro de di&aacute;logo de carga puede aceptar pegar/soltar datos del portapapeles o listas de URL y arrastrar y soltar desde otro navegador o administrador de archivos, etc.</li>
+	<li>Iniciar a arrastrar presionando la tecla Alt (Opci&oacute;n) para arrastrar fuera del navegador. Se convertir&aacute; en una operaci&oacute;n de descarga con Google Chrome.</li>
+</ul>

coco/httpd/static/elfinder/i18n/help/ja.html.js

+<h2>操作のヒント</h2>
+<p>UIの操作は、オペレーティングシステムの標準ファイルマネージャにほぼ準拠しています。ただし、モバイルブラウザではドラッグ＆ドロップはできません。</p>
+<ul>
+	<li>右クリックまたはロングタップでコンテキストメニューを表示します。</li>
+	<li>アイテムを移動/コピーするには、フォルダツリーまたはワークスペースにドラッグ＆ドロップします。</li>
+	<li>ワークスペース内のアイテムの選択は、ShiftキーまたはAltキー(Optionキー)で選択範囲を拡張できます。</li>
+	<li>コピー先のフォルダまたはワークスペースにドラッグアンドドロップして、ファイルとフォルダをアップロードします。</li>
+	<li>アップロードダイアログでは、クリップボードのデータやURLリストのペースト/ドロップ、他のブラウザやファイルマネージャからのドラッグ＆ドロップなどを受け入れることができます。</li>
+	<li>Altキー(Optionキー)を押しながらドラッグすると、ブラウザの外にドラッグできます。Google Chromeでダウンロード操作になります。</li>
+</ul>

coco/httpd/static/elfinder/i18n/help/ko.html.js

+<h2>사용 팁</h2>
+<p>UI 조작은 운영체제의 표준 파일 관리자를 사용하는 방법과 비슷합니다. 하지만 모바일 브라우저에서는 드래그앤드롭을 사용할 수 없습니다. </p>
+<ul>
+	<li>오른쪽 클릭하거나 길게 누르면 컨텍스트 메뉴가 나타납니다.</li>
+	<li>이동/복사하려면 폴더 트리 또는 원하는 폴더로 드래그앤드롭하십시오.</li>
+	<li>작업공간에서 항목을 선택하려면 Shift또는 Alt(Option) 키를 사용하여 선택 영역을 넓힐 수 있습니다.</li>
+	<li>업로드 대상 폴더 또는 작업 영역으로 파일및 폴더를 드래그앤드롭하여 업로드할 수 있습니다.</li>
+	<li>다른 브라우저 또는 파일관리자등에서 드래그앤드롭하거나, 클립보드를 통해 데이터또는 URL을 복사/붙여넣어 업로드할 수 있습니다.</li>
+	<li>크롬브라우저의 경우, Alt(Option) 키를 누른 상태에서 브라우저 밖으로 드래그앤드롭하면 다운로드가 가능합니다.</li>
+</ul>

coco/httpd/static/elfinder/i18n/help/pl.html.js

+<h2>Wskazówki Obsługi</h2>
+<p>Działanie w interfejsie użytkownika jest podobne do standardowego menedżera plików systemu operacyjnego. Jednak Przeciąganie i Upuszczanie nie jest możliwe w przeglądarkach mobilnych. </p>
+<ul>
+	<li>Kliknij prawym przyciskiem myszy lub dłużej, aby wyświetlić menu kontekstowe.</li>
+	<li>Przeciągnij i upuść w drzewie folderów lub bieżącym obszarze roboczym, aby przenieść/kopiować elementy.</li>
+	<li>Wybór elementu w obszarze roboczym można rozszerzyć wybór z klawiszem Shift lub Alt(Opcja).</li>
+	<li>Przeciągnij i Upuść do folderu docelowego lub obszaru roboczego, aby przesłać pliki i foldery.</li>
+	<li>W oknie dialogowym przesyłania można zaakceptować wklejanie/upuszczanie danych schowka lub listy adresów URL, i Przeciągnij i Upuść z innych przeglądarek lub menedżerów plików, itp.</li>
+	<li>Rozpocznij Przeciąganie naciskając Alt (Opcja), aby przeciągnąć na zewnątrz przeglądarki. Stanie się operacją pobierania z Google Chrome. </li>
+</ul>

coco/httpd/static/elfinder/i18n/help/ru.html.js

+<h2>Советы по работе</h2>
+<p>Работа с пользовательским интерфейсом похожа на стандартный файловый менеджер операционной системы. Однако перетаскивание в мобильных браузерах невозможно.</p>
+<ul>
+	<li>Щелкните правой кнопкой мыши или используйте «длинный тап», чтобы отобразить контекстное меню.</li>
+	<li>Перетащите в дерево папок или текущую рабочую область для перемещения / копирования элементов.</li>
+	<li>Выбор элемента в рабочей области может быть расширен с помощью клавиши Shift или Alt (Option).</li>
+	<li>Перетащите в папку назначения или рабочую область для загрузки файлов и папок.</li>
+	<li>В диалоговом окне загрузки можно использовать вставку данных или списков URL-адресов из буфера обмена, а также перетаскивать из других браузеров или файловых менеджеров и т.д.</li>
+	<li>Начните перетаскивание, нажав Alt (Option), чтобы перетащить за пределы браузера. Это запустить процесс скачивания в Google Chrome.</li>
+</ul>

coco/httpd/static/elfinder/i18n/help/sk.html.js

+<h2>Tipy na obsluhu</h2>
+<p>Obsluha na používateľskom rozhraní je podobná štandardnému správcovi súborov operačného systému. Drag and Drop však nie je možné používať s mobilnými prehliadačmi. </p>
+<ul>
+	<li>Kliknutím pravým tlačidlom alebo dlhým klepnutím zobrazíte kontextové menu.</li>
+	<li>Presuňte myšou do stromu priečinkov alebo do aktuálneho pracovného priestoru a presuňte / kopírujte položky.</li>
+	<li>Výber položky v pracovnom priestore môžete rozšíriť pomocou klávesov Shift alebo Alt (Možnosť).</li>
+	<li>Premiestnite súbory a priečinky do cieľovej zložky alebo do pracovného priestoru.</li>
+	<li>Dialog odovzdávania môže prijímať dáta schránky alebo zoznamy adries URL a pritiahnuť a odísť z iných prehliadačov alebo správcov súborov.</li>
+	<li>Potiahnutím spustite stlačením klávesu Alt (Možnosť) pretiahnite do vonkajšieho prehliadača. Táto funkcia sa prevezme pomocou prehliadača Google Chrome.</li>
+</ul>

coco/httpd/templates/finder/common_sftp.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Command SFTP File manager</title>
+</head>
+<body>
+
+<form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <input type="submit" value="Submit">
+</form>
+
+</body>
+</html>
\ No newline at end of file