server/apps/files_sharing/js/public.js
Daniel Calviño Sánchez 88139907dd Fix download link included in public share page with hidden download
The preview element in the public share page was always wrapped with a
link to download the file; now that link is included only if the "Hide
download" option of the share is not enabled.

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>
2019-06-27 14:29:45 +00:00

492 lines
15 KiB
JavaScript

/*
* Copyright (c) 2014
* @copyright Copyright (c) 2016, Björn Schießle <bjoern@schiessle.org>
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
/* global FileActions, Files, FileList */
/* global dragOptions, folderDropOptions */
if (!OCA.Sharing) {
OCA.Sharing = {};
}
if (!OCA.Files) {
OCA.Files = {};
}
/**
* @namespace
*/
OCA.Sharing.PublicApp = {
_initialized: false,
/**
* Initializes the public share app.
*
* @param $el container
*/
initialize: function ($el) {
var self = this;
var fileActions;
if (this._initialized) {
return;
}
fileActions = new OCA.Files.FileActions();
// default actions
fileActions.registerDefaultActions();
// legacy actions
fileActions.merge(window.FileActions);
// regular actions
fileActions.merge(OCA.Files.fileActions);
// in case apps would decide to register file actions later,
// replace the global object with this one
OCA.Files.fileActions = fileActions;
this._initialized = true;
this.initialDir = $('#dir').val();
var token = $('#sharingToken').val();
var hideDownload = $('#hideDownload').val();
// file list mode ?
if ($el.find('#filestable').length) {
var filesClient = new OC.Files.Client({
host: OC.getHost(),
port: OC.getPort(),
userName: token,
// note: password not be required, the endpoint
// will recognize previous validation from the session
root: OC.getRootPath() + '/public.php/webdav',
useHTTPS: OC.getProtocol() === 'https'
});
this.fileList = new OCA.Files.FileList(
$el,
{
id: 'files.public',
dragOptions: dragOptions,
folderDropOptions: folderDropOptions,
fileActions: fileActions,
detailsViewEnabled: false,
filesClient: filesClient,
enableUpload: true,
multiSelectMenu: [
{
name: 'copyMove',
displayName: t('files', 'Move or copy'),
iconClass: 'icon-external',
},
{
name: 'download',
displayName: t('files', 'Download'),
iconClass: 'icon-download',
},
{
name: 'delete',
displayName: t('files', 'Delete'),
iconClass: 'icon-delete',
}
]
}
);
if (hideDownload === 'true') {
this.fileList._allowSelection = false;
}
this.files = OCA.Files.Files;
this.files.initialize();
// TODO: move to PublicFileList.initialize() once
// the code was split into a separate class
OC.Plugins.attach('OCA.Sharing.PublicFileList', this.fileList);
}
var mimetype = $('#mimetype').val();
var mimetypeIcon = $('#mimetypeIcon').val();
mimetypeIcon = mimetypeIcon.substring(0, mimetypeIcon.length - 3);
mimetypeIcon = mimetypeIcon + 'svg';
var previewSupported = $('#previewSupported').val();
if (typeof FileActions !== 'undefined') {
// Show file preview if previewer is available, images are already handled by the template
if (mimetype.substr(0, mimetype.indexOf('/')) !== 'image' && $('.publicpreview').length === 0) {
// Trigger default action if not download TODO
var action = FileActions.getDefault(mimetype, 'file', OC.PERMISSION_READ);
if (typeof action !== 'undefined') {
action($('#filename').val());
}
}
}
// dynamically load image previews
var bottomMargin = 350;
var previewWidth = $(window).width();
var previewHeight = $(window).height() - bottomMargin;
previewHeight = Math.max(200, previewHeight);
var params = {
x: Math.ceil(previewWidth * window.devicePixelRatio),
y: Math.ceil(previewHeight * window.devicePixelRatio),
a: 'true',
file: encodeURIComponent(this.initialDir + $('#filename').val()),
scalingup: 0
};
var imgcontainer = $('<img class="publicpreview" alt="">');
if (hideDownload === 'false') {
imgcontainer = $('<a href="' + $('#previewURL').val() + '" target="_blank"></a>').append(imgcontainer);
}
var img = imgcontainer.hasClass('publicpreview')? imgcontainer: imgcontainer.find('.publicpreview');
img.css({
'max-width': previewWidth,
'max-height': previewHeight
});
var fileSize = parseInt($('#filesize').val(), 10);
var maxGifSize = parseInt($('#maxSizeAnimateGif').val(), 10);
if (mimetype === 'image/gif' &&
(maxGifSize === -1 || fileSize <= (maxGifSize * 1024 * 1024))) {
img.attr('src', $('#downloadURL').val());
imgcontainer.appendTo('#imgframe');
} else if (mimetype.substr(0, mimetype.indexOf('/')) === 'text' && window.btoa) {
if (oc_appswebroots['files_texteditor'] !== undefined) {
// the text editor handles the previewing
return;
}
// Undocumented Url to public WebDAV endpoint
var url = parent.location.protocol + '//' + location.host + OC.linkTo('', 'public.php/webdav');
$.ajax({
url: url,
headers: {
Authorization: 'Basic ' + btoa(token + ':'),
Range: 'bytes=0-1000'
}
}).then(function (data) {
self._showTextPreview(data, previewHeight);
});
} else if ((previewSupported === 'true' && mimetype.substr(0, mimetype.indexOf('/')) !== 'video') ||
mimetype.substr(0, mimetype.indexOf('/')) === 'image' &&
mimetype !== 'image/svg+xml') {
img.attr('src', OC.generateUrl('/apps/files_sharing/publicpreview/' + token + '?' + OC.buildQueryString(params)));
imgcontainer.appendTo('#imgframe');
} else if (mimetype.substr(0, mimetype.indexOf('/')) !== 'video') {
img.attr('src', mimetypeIcon);
img.attr('width', 128);
imgcontainer.appendTo('#imgframe');
}
else if (previewSupported === 'true') {
$('#imgframe > video').attr('poster', OC.generateUrl('/apps/files_sharing/publicpreview/' + token + '?' + OC.buildQueryString(params)));
}
if (this.fileList) {
// TODO: move this to a separate PublicFileList class that extends OCA.Files.FileList (+ unit tests)
this.fileList.getDownloadUrl = function (filename, dir, isDir) {
var path = dir || this.getCurrentDirectory();
if (_.isArray(filename)) {
filename = JSON.stringify(filename);
}
var params = {
path: path
};
if (filename) {
params.files = filename;
}
return OC.generateUrl('/s/' + token + '/download') + '?' + OC.buildQueryString(params);
};
this.fileList._createRow = function(fileData) {
var $tr = OCA.Files.FileList.prototype._createRow.apply(this, arguments);
if (hideDownload === 'true') {
this.fileActions.currentFile = $tr.find('td');
var mime = this.fileActions.getCurrentMimeType();
var type = this.fileActions.getCurrentType();
var permissions = this.fileActions.getCurrentPermissions();
var action = this.fileActions.getDefault(mime, type, permissions);
// Remove the link. This means that files without a default action fail hard
$tr.find('a.name').attr('href', '#');
this.fileActions.actions.all = {};
}
return $tr;
};
this.fileList.isSelectedDownloadable = function () {
return hideDownload !== 'true';
};
this.fileList.getUploadUrl = function(fileName, dir) {
if (_.isUndefined(dir)) {
dir = this.getCurrentDirectory();
}
var pathSections = dir.split('/');
if (!_.isUndefined(fileName)) {
pathSections.push(fileName);
}
var encodedPath = '';
_.each(pathSections, function(section) {
if (section !== '') {
encodedPath += '/' + encodeURIComponent(section);
}
});
var base = '';
if (!this._uploader.isXHRUpload()) {
// also add auth in URL due to POST workaround
base = OC.getProtocol() + '://' + token + '@' + OC.getHost() + (OC.getPort() ? ':' + OC.getPort() : '');
}
return base + OC.getRootPath() + '/public.php/webdav' + encodedPath;
};
this.fileList.getAjaxUrl = function (action, params) {
params = params || {};
params.t = token;
return OC.filePath('files_sharing', 'ajax', action + '.php') + '?' + OC.buildQueryString(params);
};
this.fileList.linkTo = function (dir) {
return OC.generateUrl('/s/' + token + '', {dir: dir});
};
this.fileList.generatePreviewUrl = function (urlSpec) {
urlSpec = urlSpec || {};
if (!urlSpec.x) {
urlSpec.x = this.$table.data('preview-x') || 250;
}
if (!urlSpec.y) {
urlSpec.y = this.$table.data('preview-y') || 250;
}
urlSpec.x *= window.devicePixelRatio;
urlSpec.y *= window.devicePixelRatio;
urlSpec.x = Math.ceil(urlSpec.x);
urlSpec.y = Math.ceil(urlSpec.y);
var token = $('#dirToken').val();
return OC.generateUrl('/apps/files_sharing/publicpreview/' + token + '?' + OC.buildQueryString(urlSpec));
};
this.fileList.updateEmptyContent = function() {
this.$el.find('#emptycontent .uploadmessage').text(
t('files_sharing', 'You can upload into this folder')
);
OCA.Files.FileList.prototype.updateEmptyContent.apply(this, arguments);
};
this.fileList._uploader.on('fileuploadadd', function(e, data) {
if (!data.headers) {
data.headers = {};
}
data.headers.Authorization = 'Basic ' + btoa(token + ':');
});
// do not allow sharing from the public page
delete this.fileList.fileActions.actions.all.Share;
this.fileList.changeDirectory(this.initialDir || '/', false, true);
// URL history handling
this.fileList.$el.on('changeDirectory', _.bind(this._onDirectoryChanged, this));
OC.Util.History.addOnPopStateHandler(_.bind(this._onUrlChanged, this));
$('#download').click(function (e) {
e.preventDefault();
OC.redirect(FileList.getDownloadUrl());
});
if (hideDownload === 'true') {
this.fileList.$el.find('#headerSelection').remove();
this.fileList.$el.find('.summary').find('td:first-child').remove();
}
}
$(document).on('click', '#directLink', function () {
$(this).focus();
$(this).select();
});
$('.save-form').submit(function (event) {
event.preventDefault();
var remote = $(this).find('#remote_address').val();
var token = $('#sharingToken').val();
var owner = $('#save-external-share').data('owner');
var ownerDisplayName = $('#save-external-share').data('owner-display-name');
var name = $('#save-external-share').data('name');
var isProtected = $('#save-external-share').data('protected') ? 1 : 0;
OCA.Sharing.PublicApp._createFederatedShare(remote, token, owner, ownerDisplayName, name, isProtected);
});
$('#remote_address').on("keyup paste", function() {
if ($(this).val() === '' || $('#save-external-share > .icon.icon-loading-small').length > 0) {
$('#save-button-confirm').prop('disabled', true);
} else {
$('#save-button-confirm').prop('disabled', false);
}
});
self._bindShowTermsAction();
// legacy
window.FileList = this.fileList;
},
/**
* Binds the click action for the "terms of service" action.
* Shows an OC info dialog on click.
*
* @private
*/
_bindShowTermsAction: function() {
$('#show-terms-dialog').on('click', function() {
OC.dialogs.info($('#disclaimerText').val(), t('files_sharing', 'Terms of service'));
});
},
_showTextPreview: function (data, previewHeight) {
var textDiv = $('<div/>').addClass('text-preview');
textDiv.text(data);
textDiv.appendTo('#imgframe');
var divHeight = textDiv.height();
if (data.length > 999) {
var ellipsis = $('<div/>').addClass('ellipsis');
ellipsis.html('(&#133;)');
ellipsis.appendTo('#imgframe');
}
if (divHeight > previewHeight) {
textDiv.height(previewHeight);
}
},
_onDirectoryChanged: function (e) {
OC.Util.History.pushState({
// arghhhh, why is this not called "dir" !?
path: e.dir
});
},
_onUrlChanged: function (params) {
this.fileList.changeDirectory(params.path || params.dir, false, true);
},
/**
* fall back to old behaviour where we redirect the user to his server to mount
* the public link instead of creating a dedicated federated share
*
* @param remote
* @param token
* @param owner
* @param ownerDisplayName
* @param name
* @param isProtected
* @private
*/
_legacyCreateFederatedShare: function (remote, token, owner, ownerDisplayName, name, isProtected) {
var self = this;
var location = window.location.protocol + '//' + window.location.host + OC.getRootPath();
if(remote.substr(-1) !== '/') {
remote += '/'
}
var url = remote + 'index.php/apps/files#' + 'remote=' + encodeURIComponent(location) // our location is the remote for the other server
+ "&token=" + encodeURIComponent(token) + "&owner=" + encodeURIComponent(owner) +"&ownerDisplayName=" + encodeURIComponent(ownerDisplayName) + "&name=" + encodeURIComponent(name) + "&protected=" + isProtected;
if (remote.indexOf('://') > 0) {
OC.redirect(url);
} else {
// if no protocol is specified, we automatically detect it by testing https and http
// this check needs to happen on the server due to the Content Security Policy directive
$.get(OC.generateUrl('apps/files_sharing/testremote'), {remote: remote}).then(function (protocol) {
if (protocol !== 'http' && protocol !== 'https') {
self._toggleLoading();
OC.dialogs.alert(t('files_sharing', 'No compatible server found at {remote}', {remote: remote}),
t('files_sharing', 'Invalid server URL'));
} else {
OC.redirect(protocol + '://' + url);
}
});
}
},
_toggleLoading: function() {
var loading = $('#save-external-share > .icon.icon-loading-small').length === 0;
if (loading) {
$('#save-external-share > .icon-external')
.removeClass("icon-external")
.addClass("icon-loading-small");
$('#save-external-share #save-button-confirm').prop("disabled", true);
} else {
$('#save-external-share > .icon-loading-small')
.addClass("icon-external")
.removeClass("icon-loading-small");
$('#save-external-share #save-button-confirm').prop("disabled", false);
}
},
_createFederatedShare: function (remote, token, owner, ownerDisplayName, name, isProtected) {
var self = this;
this._toggleLoading();
if (remote.indexOf('@') === -1) {
this._legacyCreateFederatedShare(remote, token, owner, ownerDisplayName, name, isProtected);
return;
}
$.post(
OC.generateUrl('/apps/federatedfilesharing/createFederatedShare'),
{
'shareWith': remote,
'token': token
}
).done(
function (data) {
var url = data.remoteUrl;
if (url.indexOf('://') > 0) {
OC.redirect(url);
} else {
OC.redirect('http://' + url);
}
}
).fail(
function (jqXHR) {
OC.dialogs.alert(JSON.parse(jqXHR.responseText).message,
t('files_sharing', 'Failed to add the public link to your Nextcloud'));
self._toggleLoading();
}
);
}
};
$(document).ready(function () {
// FIXME: replace with OC.Plugins.register()
if (window.TESTING) {
return;
}
var App = OCA.Sharing.PublicApp;
// defer app init, to give a chance to plugins to register file actions
_.defer(function () {
App.initialize($('#preview'));
});
if (window.Files) {
// HACK: for oc-dialogs previews that depends on Files:
Files.generatePreviewUrl = function (urlSpec) {
return App.fileList.generatePreviewUrl(urlSpec);
};
}
});