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Initial Open Source checkin of version 0.1.0.

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Joachim Bauch 2020-11-25 15:38:38 +01:00
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3rdparty/*
js/libs/*
server/node_modules/*
server/config.js

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root: true
extends:
- eslint:recommended
env:
es6: true
browser: true
amd: true
globals:
$: false
OC: false
OCA: false
t: false
n: false
_: false
paper: false
io: false
iro: false
iroTransparencyPlugin: false
PDFViewerApplication: false
PDFViewerApplicationOptions: false
pdfjsLib: false
console: false
require: false
Buffer: false
rules:
curly: error
eqeqeq: ["error", "smart"]
guard-for-in: error
indent: ["error", 2, {"SwitchCase": 1}]
no-console: off
no-fallthrough: error
no-mixed-spaces-and-tabs: error
no-multiple-empty-lines: ["error", {"max": 1, "maxEOF": 1}]
no-unused-vars: off
no-use-before-define: error
padded-blocks: ["error", "never"]
semi: ["error", "always"]
space-before-function-paren: ["error", "never"]
space-before-blocks: "error"

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/pdfjs-*.zip
3rdparty/pdfjs/
server/config.js
server/package-lock.json

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[submodule "3rdparty/php-jwt"]
path = 3rdparty/php-jwt
url = https://github.com/firebase/php-jwt.git

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{
"rules": {
"media-feature-name-no-unknown": true,
"property-no-unknown": true,
"selector-pseudo-class-no-unknown": true,
"selector-pseudo-element-no-unknown": true,
"selector-type-no-unknown": true,
"string-no-newline": true,
"unit-case": "lower",
"unit-no-unknown": true
}
}

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Subproject commit bac0422822b92fe7a0ed1fc7b1b633d9efa37bae

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copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

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PDFJS_VERSION=2.0.943
all: 3rdparty
3rdparty: pdfjs
pdfjs-${PDFJS_VERSION}-dist.zip:
wget https://github.com/mozilla/pdf.js/releases/download/v${PDFJS_VERSION}/pdfjs-${PDFJS_VERSION}-dist.zip
pdfjs: pdfjs-${PDFJS_VERSION}-dist.zip
mkdir -p 3rdparty/pdfjs
unzip -qo pdfjs-${PDFJS_VERSION}-dist.zip -d 3rdparty/pdfjs
build: 3rdparty

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# PDF Annotations for Nextcloud
## Installation
- Clone the repository to the `apps` folder of Nextcloud. Make sure to clone
recursively with submodules or run `git submodule update --init` afterwards
to fetch third-party components.
- Execute `make` in the checkout folder to fetch other third-party dependencies.
## Server
The backend server is located in the `server` subfolder, see the `README.md`
there for further information.
## Nginx configuration
Add the following to the nginx server configuration so the `pdfdraw` server
runs behind nginx, utilizing the same SSL settings:
upstream pdfdraw {
server 127.0.0.1:8080;
}
server {
... other configuration for Nextcloud ...
location /socket.io {
proxy_pass http://pdfdraw/socket.io;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
location /download/ {
proxy_pass http://pdfdraw/download/;
proxy_http_version 1.1;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
}
## Nextcloud configuration
The server address and shared secret can be configured in the Nextcloud admin
settings in section `PDF Annotations`.
## Events
Other apps can override the name that is shown in the list of users currently
annotating a document.
For that the app dispatches an event `OCA\PdfDraw::getDisplayName`. The event
has an argument `displayName` which contains the default display name. Logged
in Nextcloud users will use their display name. All other (anonymous) users
will use an empty name by default (this is shown as `Anonymous` in the list).
Event handlers can listen for the `OCA\PdfDraw::getDisplayName` event and update
the `displayName` argument if they can identify the user by other means.

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw\AppInfo;
use OCA\Pdfdraw\Capabilities;
use OCP\Util;
Util::addScript('pdfdraw', 'loader');
Util::addStyle('pdfdraw', 'pdfdraw');
if (class_exists('\\OCP\\AppFramework\\Http\\EmptyContentSecurityPolicy')) {
$manager = \OC::$server->getContentSecurityPolicyManager();
$policy = new \OCP\AppFramework\Http\EmptyContentSecurityPolicy();
$policy->addAllowedFrameDomain('blob:');
$manager->addDefaultPolicy($policy);
}
\OC::$server->getCapabilitiesManager()->registerCapability(function() {
return new Capabilities();
});
if (!class_exists('\\Firebase\\JWT\\JWT')) {
require_once __DIR__ . "/../3rdparty/php-jwt/src/BeforeValidException.php";
require_once __DIR__ . "/../3rdparty/php-jwt/src/ExpiredException.php";
require_once __DIR__ . "/../3rdparty/php-jwt/src/SignatureInvalidException.php";
require_once __DIR__ . "/../3rdparty/php-jwt/src/JWT.php";
}

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<?xml version="1.0" encoding="UTF-8" ?>
<database>
<name>*dbname*</name>
<create>true</create>
<overwrite>false</overwrite>
<charset>utf8</charset>
<table>
<name>*dbprefix*pdfdraw_items</name>
<declaration>
<field>
<name>file_id</name>
<type>text</type>
<notnull>true</notnull>
</field>
<field>
<name>page</name>
<type>integer</type>
<notnull>true</notnull>
</field>
<field>
<name>name</name>
<type>text</type>
<notnull>true</notnull>
</field>
<field>
<name>data</name>
<type>clob</type>
<notnull>true</notnull>
</field>
<index>
<name>fileid_index</name>
<field>
<name>file_id</name>
<sorting>ascending</sorting>
</field>
</index>
<index>
<name>fileid_name_index</name>
<primary>true</primary>
<unique>true</unique>
<field>
<name>file_id</name>
<sorting>ascending</sorting>
</field>
<field>
<name>name</name>
<sorting>ascending</sorting>
</field>
</index>
</declaration>
</table>
</database>

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<?xml version="1.0"?>
<info>
<id>pdfdraw</id>
<name>PDF annotations</name>
<summary>Annotate PDF documents</summary>
<version>0.0.4</version>
<licence>agpl</licence>
<author>Joachim Bauch</author>
<default_enable/>
<category>files</category>
<category>office</category>
<dependencies>
<nextcloud min-version="13" max-version="20" />
</dependencies>
<settings>
<admin>OCA\Pdfdraw\Settings\Admin\Backend</admin>
<admin-section>OCA\Pdfdraw\Settings\Admin\Section</admin-section>
</settings>
</info>

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw\AppInfo;
return [
'routes' => [
[
'name' => 'viewer#index',
'url' => '/{fileId}',
'verb' => 'GET',
],
[
'name' => 'viewer#publicIndex',
'url' => '/s/{token}',
'verb' => 'GET',
],
[
'name' => 'viewer#viewer',
'url' => '/viewer/{fileId}',
'verb' => 'GET',
],
[
'name' => 'viewer#downloadFile',
'url' => '/d/{token}',
'verb' => 'GET',
],
[
'name' => 'api#downloadFile',
'url' => '/download/{fileId}',
'verb' => 'GET',
],
],
'ocs' => [
[
'name' => 'Api#getItems',
'url' => '/api/{apiVersion}/item/{fileId}',
'verb' => 'GET',
'requirements' => [
'apiVersion' => 'v1',
],
],
[
'name' => 'Api#storeItem',
'url' => '/api/{apiVersion}/item/{fileId}/{page}/{name}',
'verb' => 'POST',
'requirements' => [
'apiVersion' => 'v1',
],
],
[
'name' => 'Api#deleteItem',
'url' => '/api/{apiVersion}/item/{fileId}/{page}/{name}',
'verb' => 'DELETE',
'requirements' => [
'apiVersion' => 'v1',
],
],
]
];

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.pdfdraw.section {
input {
width: 300px;
vertical-align: middle;
}
.icon-checkmark-color {
display: inline-block;
width: 44px;
height: 44px;
vertical-align: middle;
}
.icon-checkmark-color.hidden {
display: none;
}
.error {
border-color: $color-error;
}
label {
min-width: 200px;
display: inline-block;
}
.shared-secret {
margin-top: 20px;
}
}

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#content.app-pdfdraw {
min-height: calc(100% - 50px);
width: 100%;
}
#app > iframe {
position: absolute;
vertical-align: top;
}
.directDownload #annotateFile {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
max-width: 90%;
display: inline-block;
margin-left: auto;
margin-right: auto;
}
.textLayer {
-webkit-touch-callout: none; /* iOS Safari */
-webkit-user-select: none; /* Safari */
-khtml-user-select: none; /* Konqueror HTML */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* Internet Explorer/Edge */
user-select: none; /* Non-prefixed version, currently
supported by Chrome and Opera */
}
.cursor {
border: 1px solid #ccc;
padding: 4px;
background-color: white;
z-index: 100;
}
#presentationMode, #openFile, #print, #download, #viewBookmark, #secondaryToolbarToggle, .verticalToolbarSeparator {
display: none !important;
}
.noneMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-notool.svg);
background-repeat: no-repeat;
}
.selectMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-select.svg);
background-repeat: no-repeat;
}
.pointerMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-pointer.svg);
background-repeat: no-repeat;
}
.freehandMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-freehand.svg);
background-repeat: no-repeat;
}
.rectangleMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-rectangle.svg);
background-repeat: no-repeat;
}
.ellipseMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-ellipse.svg);
background-repeat: no-repeat;
}
.lineMode::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-line.svg);
background-repeat: no-repeat;
}
.toolbarButton.download::before {
content: "";
display: block;
width: 16px;
height: 16px;
background-size: 16px 16px;
background-image: url(../img/icon-download.svg);
background-repeat: no-repeat;
}
.secondaryToolbar.drawMenuToolbar {
right: 105px !important;
}
.secondaryToolbar.drawMenuToolbar {
line-height: 0 !important;
}
.secondaryToolbar.drawMenuToolbar .toolbarButton::before {
position: relative !important;
top: 1px !important;
left: 1px !important;
}
.secondaryToolbar.drawMenuToolbar .toolbarButton {
margin: 0 !important;
}
#colorPicker {
display: none;
position: absolute;
background: rgba(0, 0, 0, 0.5);
left: 50%;
top: 50%;
z-index: 10000;
padding: 20px;
border-radius: 20px;
margin-left: -160px;
margin-top: -160px;
}
.toolbarButton.close::before {
display: block;
content: ' ';
background-image: url(../img/toolbarButton-secondaryToolbarClose.svg);
background-size: 16px 16px;
height: 16px;
width: 16px;
}
#drawModeToolbar .dropdown {
background: url(../img/icon-dropdown.svg);
width: 16px;
height: 16px;
background-size: 16px 16px;
background-repeat: no-repeat;
margin-top: -2px;
}
@media screen and (-webkit-min-device-pixel-ratio: 2), screen and (min-resolution: 2dppx) {
#noneMode::before,
#selectMode::before,
#pointerMode::before,
#freehandMode::before,
#rectangleMode::before,
#ellipseMode::before,
#lineMode::before,
#drawModeToolbar::before,
.toolbarButton.download::before {
background-size: 32px 32px !important;
height: 32px !important;
width: 32px !important;
}
.secondaryToolbar.drawMenuToolbar .toolbarButton::before {
top: -7px !important;
left: -7px !important;
}
#drawModeToolbarButtonContainer {
max-height: 26px;
}
}
@media screen and (min-resolution: 2dppx) {
.toolbarButton.close::before {
background-size: 32px 32px !important;
height: 32px !important;
width: 32px !important;
}
}
.userlist {
display: none;
position: absolute;
left: 0;
transition-duration: 200ms;
transition-timing-function: ease;
z-index: 9999;
top: 32px;
padding: 10px;
background-color: rgba(1, 1, 1, 0.3);
border-radius: 8px;
color: white;
}
.sidebarOpen .userlist {
left: 200px;
left: var(--sidebar-width);
transition-duration: 200ms;
transition-timing-function: ease;
}
#connectionError {
display: none;
position: absolute;
background: rgba(0, 0, 0, 0.7);
left: 50%;
top: 50%;
z-index: 100000;
padding: 20px;
border-radius: 20px;
margin-left: -200px;
width: 400px;
color: rgb(255, 38, 0);
font-weight: bold;
text-align: center;
}
#connectingMessage {
display: none;
position: absolute;
background: rgba(0, 0, 0, 0.7);
left: 50%;
top: 50%;
z-index: 100000;
padding: 20px;
border-radius: 20px;
margin-left: -200px;
width: 400px;
color: white;
text-align: center;
}
#downloadInProgress {
display: none;
position: absolute;
background: rgba(0, 0, 0, 0.7);
left: 50%;
top: 50%;
z-index: 100000;
padding: 20px;
border-radius: 20px;
margin-left: -200px;
width: 400px;
color: white;
text-align: center;
}
#downloadFailed {
display: none;
position: absolute;
background: rgba(0, 0, 0, 0.7);
left: 50%;
top: 50%;
z-index: 100000;
padding: 20px;
border-radius: 20px;
margin-left: -200px;
width: 400px;
color: rgb(255, 38, 0);
font-weight: bold;
text-align: center;
}
.readonly .hiddenReadonly {
display: none !important;
}
.page.hiddenPage {
margin: 0;
border: 0;
height: 0 !important;
}
.page.hiddenPage canvas {
display: none;
}
.page.hiddenPage div {
display: none;
}
.toolbarButton.selected {
background-color: hsla(0,0%,0%,.12);
background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
background-clip: padding-box;
border: 1px solid hsla(0,0%,0%,.35);
border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42);
box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset, 0 0 1px hsla(0,0%,100%,.15) inset, 0 1px 0 hsla(0,0%,100%,.05);
}

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<polygon fill="#FFFFFF" points="21.874,12.981 16,19.02 10.126,12.981 "/>
</svg>
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<g>
<linearGradient id="SVGID_1_" gradientUnits="userSpaceOnUse" x1="15.9995" y1="4.9375" x2="15.9995" y2="27.063">
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<path fill-rule="evenodd" clip-rule="evenodd" fill="url(#SVGID_1_)" d="M16,4.938c7.468,0,13.521,4.953,13.521,11.062
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/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* global OC, OCP, OCA, $, _, Handlebars */
(function(OC, OCP, OCA, $, _, Handlebars) {
'use strict';
OCA.PdfDraw = OCA.PdfDraw || {};
OCA.PdfDraw.Admin = OCA.PdfDraw.Admin || {};
OCA.PdfDraw.Admin.Backend = {
$server: null,
$secret: null,
init: function() {
this.$server = $('#backend_server');
this.$secret = $('#shared_secret');
this.$server.on('change', this.saveSettings.bind(this));
this.$secret.on('change', this.saveSettings.bind(this));
var data = $('div.backend').data('backend');
this.$server.val(data.server);
this.$secret.val(data.secret);
},
saveSettings: function() {
var $success = [];
var $error = [];
var $server = this.$server;
var server = this.$server.val().trim();
var $secret = this.$secret;
var secret = this.$secret.val().trim();
this.$server.removeClass('error');
this.$secret.removeClass('error');
if (server === '') {
$error.push($server);
} else {
$success.push($server);
}
if (secret === '') {
$error.push($secret);
} else {
$success.push($secret);
}
OCP.AppConfig.setValue('pdfdraw', 'backend', JSON.stringify({
server: server,
secret: secret
}), {
success: function() {
_.each($error, function($input) {
$input.addClass('error');
});
_.each($success, function($server) {
var $icon = $server.parent().find('.icon-checkmark-color');
$icon.removeClass('hidden');
setTimeout(function() {
$icon.addClass('hidden');
}, 2000);
});
}
});
}
};
})(OC, OCP, OCA, $, _, Handlebars);
$(document).ready(function() {
OCA.PdfDraw.Admin.Backend.init();
});

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/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
(function(OCA) {
OCA.PdfDraw = OCA.PdfDraw || {};
/**
* @namespace OCA.FilesPdfViewer.PreviewPlugin
*/
OCA.PdfDraw.PreviewPlugin = {
/**
* @param fileList
*/
attach: function(fileList) {
if (fileList.$el && fileList.$el.attr('id') === 'app-content-trashbin') {
// Don't add action to files in trashbin.
return;
}
fileList.fileActions.registerAction({
displayName: t('pdfdraw', 'Annotate'),
iconClass: 'icon-edit',
name: 'Annotate',
mime: 'application/pdf',
permissions: OC.PERMISSION_READ,
actionHandler: function(fileName, context) {
var fileInfoModel = context.fileInfoModel || context.fileList.getModelForFile(fileName);
this.show(fileInfoModel.id);
}.bind(this)
});
},
show: function(id) {
var url = OC.generateUrl('/apps/pdfdraw/{id}', {
id: id
});
if ($('#isPublic').val()) {
url = OC.generateUrl('apps/pdfdraw/s/{token}?fileId={id}', {
'id': id,
'token': $("#sharingToken").val()
});
}
location.href = url;
}
};
})(OCA);
OC.Plugins.register('OCA.Files.FileList', OCA.PdfDraw.PreviewPlugin);
var oldShow;
if (OCA.FilesPdfViewer && OCA.FilesPdfViewer.PreviewPlugin) {
oldShow = OCA.FilesPdfViewer.PreviewPlugin.show;
OCA.FilesPdfViewer.PreviewPlugin.show = function(url, params, isFileList) {
if (typeof(isFileList) === "undefined") {
// Nextcloud 14 doesn't pass the "params".
isFileList = params;
}
if (!isFileList) {
// Prevent opening the PDF when user clicks on publicly shared file.
return;
}
return oldShow.apply(this, arguments);
};
}
$(document).ready(function() {
if (OCA.Sharing && OCA.Sharing.PublicApp) {
var mimetype = $("#mimetype");
var download = $(".directDownload");
if (download.length && mimetype.val() === 'application/pdf') {
var token = $('#sharingToken').val();
var button = $("<a id='annotateFile' class='button' href=''><span class='icon icon-download'></span>" + t('pdfdraw', 'Annotate') + "</a>");
var url = OC.generateUrl('apps/pdfdraw/s/{token}', {
'token': token
});
button.attr('href', url);
download.append(button);
if (oldShow) {
var downloadButton = $("#downloadFile");
downloadButton.html("<span class='icon icon-download'></span>" + t('pdfdraw', 'Open'));
downloadButton.click(function(event) {
event.preventDefault();
var downloadUrl = OC.generateUrl('/s/{token}/download', {token: token});
return oldShow.call(OCA.FilesPdfViewer.PreviewPlugin, downloadUrl, false);
});
}
}
}
});

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2019, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw;
use OCP\Capabilities\IPublicCapability;
class Capabilities implements IPublicCapability {
public function getCapabilities() {
return [
'pdfdraw' => [
'enabled' => true,
],
];
}
}

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw\Controller;
use \Firebase\JWT\JWT;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataDownloadResponse;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCSController;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\File;
use OCP\Files\IRootFolder;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IRequest;
class ApiController extends OCSController {
/** @var IDBConnection */
private $db;
/**
* Root folder
*
* @var IRootFolder
*/
private $root;
/** @var IConfig */
private $config;
/**
* @param string $AppName
* @param IRequest $request
*/
public function __construct(
string $AppName,
IRequest $request,
IDBConnection $db,
IRootFolder $root,
IConfig $config) {
parent::__construct($AppName, $request);
$this->db = $db;
$this->root = $root;
$this->config = $config;
}
/**
* Decode the JWT token from the request.
*
* @param string $fileId
* @return array|null
*/
private function decodeToken(string $fileId) {
$authHeader = $this->request->getHeader('Authorization');
if (empty($authHeader) || strpos($authHeader, 'Bearer') !== 0) {
return null;
}
$token = substr($authHeader, 7);
$backend = $this->config->getAppValue('pdfdraw', 'backend');
$secret = null;
if (!empty($backend)) {
$backend = json_decode($backend);
$secret = $backend->secret;
}
try {
$decoded = JWT::decode($token, $secret, array('HS256'));
} catch (\Exception $e) {
return null;
}
if ($decoded->file !== $fileId) {
return null;
}
return $decoded;
}
/**
* Return list of items on a given file.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileId
* @return DataResponse
*/
public function getItems(string $fileId) {
$decoded = $this->decodeToken($fileId);
if (empty($decoded)) {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
if ($decoded->iss !== 'backend') {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
$query = $this->db->getQueryBuilder();
$query->select('*')
->from('pdfdraw_items')
->where($query->expr()->eq('file_id', $query->createNamedParameter($fileId)));
$result = $query->execute();
$items = [];
while ($row = $result->fetch()) {
$items[] = [
'page' => (int) $row['page'],
'name' => $row['name'],
'data' => $row['data'],
];
}
$result->closeCursor();
return new DataResponse($items);
}
/**
* Create / update item on a page of a given file.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileId
* @param int $page
* @param string $name
* @param string $data
* @return DataResponse
*/
public function storeItem(string $fileId, int $page, string $name, string $data) {
$decoded = $this->decodeToken($fileId);
if (empty($decoded)) {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
if ($decoded->iss !== 'backend') {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
$query = $this->db->getQueryBuilder();
// Try modifying the item first...
$query->update('pdfdraw_items')
->set('data', $query->createNamedParameter($data))
->set('page', $query->createNamedParameter($page, IQueryBuilder::PARAM_INT))
->where($query->expr()->eq('file_id', $query->createNamedParameter($fileId)))
->andWhere($query->expr()->eq('name', $query->createNamedParameter($name)));
$result = $query->execute();
if ($result === 0) {
// ...and create it if it didn't exist before.
$query->insert('pdfdraw_items')
->values(
[
'file_id' => $query->createNamedParameter($fileId),
'page' => $query->createNamedParameter($page, IQueryBuilder::PARAM_INT),
'name' => $query->createNamedParameter($name),
'data' => $query->createNamedParameter($data),
]
);
$query->execute();
}
return new DataResponse([]);
}
/**
* Remove item from page of a file.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileId
* @param int $page
* @param string $name
* @return DataResponse
*/
public function deleteItem(string $fileId, int $page, string $name) {
$decoded = $this->decodeToken($fileId);
if (empty($decoded)) {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
if ($decoded->iss !== 'backend') {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
$query = $this->db->getQueryBuilder();
$query->delete('pdfdraw_items')
->where($query->expr()->eq('file_id', $query->createNamedParameter($fileId)))
->andWhere($query->expr()->eq('page', $query->createNamedParameter($page)))
->andWhere($query->expr()->eq('name', $query->createNamedParameter($name)));
$query->execute();
return new DataResponse([]);
}
/**
* Download file by id.
*
* @PublicPage
* @NoCSRFRequired
*
* @param string $fileId
* @return DataResponse
*/
public function downloadFile(string $fileId) {
$decoded = $this->decodeToken($fileId);
if (empty($decoded)) {
return new DataResponse([], Http::STATUS_UNAUTHORIZED);
}
$query = $this->db->getQueryBuilder();
$query->select('storage')
->from('filecache')
->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId)));
$result = $query->execute();
$storage = null;
while ($row = $result->fetch()) {
$storage = $row['storage'];
break;
}
if (empty($storage)) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
$query = $this->db->getQueryBuilder();
$query->select('id')
->from('storages')
->where($query->expr()->eq('numeric_id', $query->createNamedParameter($storage)));
$result = $query->execute();
$homeId = null;
while ($row = $result->fetch()) {
$homeId = $row['id'];
break;
}
if (empty($homeId) || strpos($homeId, 'home::') !== 0) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
$ownerId = substr($homeId, 6);
$files = $this->root->getUserFolder($ownerId)->getById($fileId);
if (empty($files)) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
$file = $files[0];
if (!$file instanceof File) {
return new DataResponse([], Http::STATUS_NOT_FOUND);
}
return new DataDownloadResponse($file->getContent(), $file->getName(), $file->getMimeType());
}
}

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw\Controller;
use \Firebase\JWT\JWT;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\ContentSecurityPolicy;
use OCP\AppFramework\Http\DataDisplayResponse;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Http\RedirectResponse;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\Constants;
use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IConfig;
use OCP\IL10N;
use OCP\ILogger;
use OCP\IRequest;
use OCP\ISession;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\IUserManager;
use OCP\IUserSession;
use OCP\Security\ISecureRandom;
use OCP\Share\Exceptions\ShareNotFound;
use OCP\Share\IManager;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\GenericEvent;
class ViewerController extends Controller {
/** @var string */
private $userId;
/** @var IURLGenerator */
private $urlGenerator;
/** @var IRootFolder */
private $root;
/** @var L10N */
private $l10n;
/** @var ILogger */
private $logger;
/** @var IUserManager */
private $userManager;
/** @var IUserSession */
private $userSession;
/** @var ISession */
private $session;
/** @var IConfig */
private $config;
/** @var ISecureRandom */
private $secureRandom;
/** @var IManager */
private $shareManager;
/** @var EventDispatcherInterface */
private $dispatcher;
/**
* @param string $AppName
* @param IRequest $request
* @param $userId
* @param IRootFolder $root
* @param IL10N $l10n
* @param ILogger $logger
* @param IURLGenerator $urlGenerator
* @param IUserManager $userManager
* @param IUserSession $userSession
* @param ISession $session
* @param IConfig $config
* @param ISecureRandom $secureRandom
* @param IManager $shareManager
* @param EventDispatcherInterface $dispatcher
*/
public function __construct(
string $AppName,
IRequest $request,
$UserId,
IRootFolder $root,
IL10N $l10n,
ILogger $logger,
IURLGenerator $urlGenerator,
IUserManager $userManager,
IUserSession $userSession,
ISession $session,
IConfig $config,
ISecureRandom $secureRandom,
IManager $shareManager,
EventDispatcherInterface $dispatcher) {
parent::__construct($AppName, $request);
$this->userId = $UserId;
$this->root = $root;
$this->l10n = $l10n;
$this->logger = $logger;
$this->urlGenerator = $urlGenerator;
$this->userManager = $userManager;
$this->userSession = $userSession;
$this->session = $session;
$this->config = $config;
$this->secureRandom = $secureRandom;
$this->shareManager =$shareManager;
$this->dispatcher = $dispatcher;
}
/**
* Getting file by identifier
*
* @param integer $userId - user identifier
* @param integer $fileId - file identifier
*
* @return array
*/
private function getFile($userId, $fileId) {
if (empty($fileId)) {
return [NULL, $this->l10n->t("FileId is empty")];
}
if ($userId !== NULL) {
$files = $this->root->getUserFolder($userId)->getById($fileId);
} else {
$this->logger->debug("getFile by unknown user: " . $fileId, array("app" => $this->appName));
$files = $this->root->getById($fileId);
}
if (empty($files)) {
return [NULL, $this->l10n->t("File not found")];
}
$file = $files[0];
if (!$file->isReadable()) {
return [NULL, $this->l10n->t("You do not have enough permissions to view the file")];
}
return [$file, NULL];
}
private function getShare($token) {
if (empty($token)) {
return [NULL, $this->l10n->t("Token is empty")];
}
$share;
try {
$share = $this->shareManager->getShareByToken($token);
} catch (ShareNotFound $e) {
$this->logger->error("getShare error: " . $e->getMessage(), array("app" => $this->appName));
$share = NULL;
}
if ($share === NULL || $share === false) {
return [NULL, $this->l10n->t("You do not have enough permissions to view the file")];
}
if ($share->getPassword()
&& (!$this->session->exists("public_link_authenticated")
|| $this->session->get("public_link_authenticated") !== (string) $share->getId())) {
return [NULL, $this->l10n->t("You do not have enough permissions to view the file")];
}
return [$share, NULL];
}
private function getFileByToken($fileId, $token) {
list ($share, $error) = $this->getShare($token);
if (isset($error)) {
return [NULL, $error];
}
if (($share->getPermissions() & Constants::PERMISSION_READ) === 0) {
return [NULL, $this->l10n->t("You do not have enough permissions to view the file")];
}
try {
$node = $share->getNode();
} catch (NotFoundException $e) {
$this->logger->error("getFileByToken error: " . $e->getMessage(), array("app" => $this->appName));
return [NULL, $this->l10n->t("File not found")];
}
if ($node instanceof Folder) {
$files = $node->getById($fileId);
if (empty($files)) {
return [NULL, $this->l10n->t("File not found")];
}
$file = $files[0];
} else {
$file = $node;
}
return [$file, NULL];
}
private function getDownloadSecret(): string {
$secret = $this->config->getAppValue('pdfdraw', 'download-token');
if (empty($secret)) {
$secret = $this->secureRandom->generate(32);
$this->config->setAppValue('pdfdraw', 'download-token', $secret);
}
return $secret;
}
/**
* Generate secure link to download document
*
* @param integer $fileId - file identifier
* @param string $token - access token
*
* @return string
*/
private function getUrl($fileId, $token = NULL) {
$user = $this->userSession->getUser();
$userId = NULL;
if (!empty($user)) {
$userId = $user->getUID();
}
$secret = $this->getDownloadSecret();
$data = [
'iss' => $this->urlGenerator->getBaseUrl(),
'sub' => $userId,
'exp' => time() + (5 * 60), // 5 minutes
'fileId' => $fileId,
'token' => $token,
];
$jwt = JWT::encode($data, $secret);
$fileUrl = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".viewer.downloadFile", ["token" => $jwt]);
return $fileUrl;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
*
* @return TemplateResponse|RedirectResponse
*/
public function index($fileId, $token = null) {
if (empty($token) && !$this->userSession->isLoggedIn()) {
$redirectUrl = $this->urlGenerator->linkToRoute("core.login.showLoginForm", [
"redirect_url" => $this->request->getRequestUri()
]);
return new RedirectResponse($redirectUrl);
}
list($file, $error) = empty($token) ? $this->getFile($this->userId, $fileId) : $this->getFileByToken($fileId, $token);
if (isset($error)) {
$this->logger->error("index: " . $fileId . " " . $error, array("app" => $this->appName));
return ['error' => $error];
}
$backend = $this->config->getAppValue('pdfdraw', 'backend');
if (!empty($backend)) {
$backend = json_decode($backend);
}
if (empty($backend) || empty($backend->server)) {
return ['error' => $this->l10n->t('No backend configured.')];
}
$fileUrl = $this->getUrl($fileId, $token);
$url = $this->urlGenerator->getBaseUrl() . '/apps/pdfdraw/viewer/' . $file->getId() . '?file=' . $fileUrl;
if (!empty($token)) {
$url = $url . '&token=' . $token;
}
$params = [
'url' => $url,
];
$response = new TemplateResponse($this->appName, 'index', $params);
$policy = new ContentSecurityPolicy();
$policy->addAllowedFrameDomain('\'self\'');
$response->setContentSecurityPolicy($policy);
return $response;
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @PublicPage
*
* @return TemplateResponse|RedirectResponse
*/
public function publicIndex($fileId, $token) {
return $this->index($fileId, $token);
}
/**
* @PublicPage
* @NoCSRFRequired
*
* @return TemplateResponse|array
*/
public function viewer(string $fileId, $token = null) {
list($file, $error) = empty($token) ? $this->getFile($this->userId, $fileId) : $this->getFileByToken($fileId, $token);
if (isset($error)) {
$this->logger->error("viewer: " . $fileId . " " . $error, array("app" => $this->appName));
return ['error' => $error];
}
if (!empty($token)) {
list ($share, $error) = $this->getShare($token);
if (isset($error)) {
return [NULL, $error];
}
$permissions = $share->getPermissions();
} else {
$permissions = $file->getPermissions();
}
$event = new GenericEvent($file, [
'permissions' => $permissions,
'token' => $token,
]);
$this->dispatcher->dispatch('OCA\\PdfDraw::getPermissions', $event);
$permissions = $event->getArgument('permissions');
$currentUser = $this->userManager->get($this->userId);
$displayName= "";
if ($currentUser instanceof IUser) {
$displayName = $currentUser->getDisplayName();
}
$event = new GenericEvent($file, [
'displayName' => $displayName,
'token' => $token,
]);
$this->dispatcher->dispatch('OCA\\PdfDraw::getDisplayName', $event);
$displayName = $event->getArgument('displayName');
$backend = $this->config->getAppValue('pdfdraw', 'backend');
$server = null;
$url = null;
$jwt = null;
if (!empty($backend)) {
$backend = json_decode($backend);
$secret = $backend->secret;
$server = $backend->server;
$url = parse_url($server);
$token = [
'iss' => $this->urlGenerator->getBaseUrl(),
'sub' => $this->userId,
'exp' => time() + 86400, // 24 hours
'file' => $fileId,
'filename' => $file->getName(),
'displayname' => $displayName,
'permissions' => $permissions,
];
$jwt = JWT::encode($token, $secret);
}
$params = [
'urlGenerator' => $this->urlGenerator,
'fileId' => $fileId,
'userId' => $this->userId,
'displayName' => $displayName,
'server' => $server,
'token' => $jwt,
'permissions' => $permissions,
];
$response = new TemplateResponse($this->appName, 'viewer', $params, 'blank');
$policy = new ContentSecurityPolicy();
if (!empty($url)) {
// Allow access to backend server.
$host = $url['host'];
if (!empty($url['port'])) {
$host = $host . ':' . $url['port'];
}
$policy->addAllowedConnectDomain($url['scheme'] . '://' . $host);
if ($url['scheme'] === 'http') {
$policy->addAllowedConnectDomain('ws://' . $host);
} else {
$policy->addAllowedConnectDomain('wss://' . $host);
}
}
$policy->addAllowedChildSrcDomain('\'self\'');
$policy->addAllowedFontDomain('data:');
$policy->addAllowedImageDomain('*');
$policy->allowEvalScript(true); // Required for paper.js
$response->setContentSecurityPolicy($policy);
return $response;
}
/**
* @PublicPage
* @NoCSRFRequired
*
* @return DataDisplayResponse
*/
public function downloadFile(string $token) {
$secret = $this->getDownloadSecret();
try {
$data = JWT::decode($token, $secret, ['HS256']);
} catch (\Exception $e) {
$this->logger->logException($e, [
'message' => 'download: ' . $token,
'app' => $this->appName,
]);
return new JSONResponse(["message" => $this->l10n->t("Invalid token")], Http::STATUS_FORBIDDEN);
}
if ($this->userSession->isLoggedIn()) {
$userId = $this->userSession->getUser()->getUID();
} else {
$userId = $data->sub;
}
$token = isset($data->token) ? $data->token : null;
list ($file, $error) = empty($token) ? $this->getFile($userId, $data->fileId) : $this->getFileByToken($data->fileId, $token);
if (isset($error)) {
$this->logger->error('Could not get file: ' . $error, ['app' => $this->appName]);
return new JSONResponse(["message" => $error]);
}
if ($this->userSession->isLoggedIn() && !$file->isReadable()) {
return new JSONResponse(["message" => $this->l10n->t("Access denied")], Http::STATUS_FORBIDDEN);
}
return new DataDisplayResponse($file->getContent(), Http::STATUS_OK, [
'Content-Type' => $file->getMimeType(),
]);
}
}

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw\Settings\Admin;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\IConfig;
use OCP\Settings\ISettings;
class Backend implements ISettings {
/** @var IConfig */
private $config;
public function __construct(IConfig $config) {
$this->config = $config;
}
/**
* @return TemplateResponse
*/
public function getForm() {
$parameters = [
'backend' => $this->config->getAppValue('pdfdraw', 'backend'),
];
return new TemplateResponse('pdfdraw', 'settings/admin/backend', $parameters, '');
}
/**
* @return string the section ID, e.g. 'sharing'
*/
public function getSection() {
return 'pdfdraw';
}
/**
* @return int whether the form should be rather on the top or bottom of
* the admin section. The forms are arranged in ascending order of the
* priority values. It is required to return a value between 0 and 100.
*
* E.g.: 70
*/
public function getPriority() {
return 75;
}
}

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
namespace OCA\Pdfdraw\Settings\Admin;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\Settings\IIconSection;
class Section implements IIconSection {
/** @var IL10N */
private $l;
/** @var IURLGenerator */
private $url;
/**
* @param IURLGenerator $url
* @param IL10N $l
*/
public function __construct(IURLGenerator $url, IL10N $l) {
$this->url = $url;
$this->l = $l;
}
/**
* returns the relative path to an 16*16 icon describing the section.
* e.g. '/core/img/places/files.svg'
*
* @returns string
* @since 12
*/
public function getIcon() {
return $this->url->imagePath('pdfdraw', 'app-dark.svg');
}
/**
* returns the ID of the section. It is supposed to be a lower case string,
* e.g. 'ldap'
*
* @returns string
* @since 9.1
*/
public function getID() {
return 'pdfdraw';
}
/**
* returns the translated name as it should be displayed, e.g. 'LDAP / AD
* integration'. Use the L10N service to translate it.
*
* @return string
* @since 9.1
*/
public function getName() {
return $this->l->t('PDF Annotations');
}
/**
* @return int whether the form should be rather on the top or bottom of
* the settings navigation. The sections are arranged in ascending order of
* the priority values. It is required to return a value between 0 and 99.
*
* E.g.: 70
* @since 9.1
*/
public function getPriority() {
return 70;
}
}

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#!/bin/sh
set -e
ESLINT=$(which eslint || true)
if [ -z "$ESLINT" ]; then
echo "Can't find command \"eslint\" in $PATH"
exit 1
fi
echo Checking scripts with $ESLINT ...
find . -name "*.js" -print0 | xargs -0 $ESLINT

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#!/bin/sh
set -e
STYLELINT=$(which stylelint || true)
if [ -z "$STYLELINT" ]; then
echo "Can't find command \"stylelint\" in $PATH"
exit 1
fi
echo Checking stylesheets with $STYLELINT ...
find . -name "*.*css" -print0 | xargs -0 $STYLELINT

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env:
node: true

5
server/.gitignore vendored Normal file
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*.pyc
node_modules/
pdfparser
PyPDF2

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# pdfdraw server
This document describes the `pdfdraw` server API.
## Requirements
- node
- npm
- Python2
- [pdftk](https://www.pdflabs.com/tools/pdftk-server/)
- [svg2pdf](https://pypi.org/project/svglib/)
- [PyPDF2](https://pypi.org/project/PyPDF2/) or [pyPdf](https://pypi.org/project/pyPdf/)
`pdftk` should be available as a package `pdftk` or `pdftk-java`.
The `svg2pdf` tool can be installed with
pip install svglib
Most Linux distributions provide `pyPdf` in a package like `python-pypdf`.
## Preparation
Make sure all requirements are installed and can be executed from the user
running the pdfdraw server.
Install the node dependencies by running `npm install` in the `server` folder.
Copy `server.conf.in` to `server.conf` and adjust to your requirements.
## Running
The server can be started with `node server.js`, a systemd service script is
provided in `pdfdraw.service`.
## Annotation events
TODO: Describe the socket.io API.
## Downloading PDFs
A client can download annotated PDF documents by sending a HTTP `POST` to the
`download` endpoint.
Request parameters (sent as `application/json`):
- `token` (string): The token used to access the file being annotated.
- `svg` (string): The SVG data containing the annotations.
- `text` (list): Optional list of text annotations to embedd in the PDF.
The text annotations are a list of objects that must contain the following
fields:
- `page` (number): Zero-based page number where the annotation should be added.
Will default to the first page if nothing is given.
- `x` (number): X position of the annotation.
- `y` (number): Y position of the annotation.
- `text` (string): The annotation text.
- `color` (string): Optional HTML color of the annotation. PDF readers will use
a default color if none is provided.
- `author` (string): Optional author name to add to the annotation metadata.
- `modified` (number): Optional timestamp (seconds since the epoch, in UTC)
when the annotation was last modified.

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##
## @copyright Copyright (C) 2018, struktur AG
##
## @author Joachim Bauch <mail@joachim-bauch.de>
##
## @license AGPL-3.0
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU Affero General Public License as
## published by the Free Software Foundation, either version 3 of the
## License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Affero General Public License for more details.
##
## You should have received a copy of the GNU Affero General Public License
## along with this program. If not, see <https://www.gnu.org/licenses/>.
##
from cStringIO import StringIO
import sys
try:
from pdfparser.Document import PDFDocument
except ImportError:
# Development
sys.path.append('pdfparser')
from pdfparser.Document import PDFDocument
from pdfparser.StringTools import BOM_MAPPING
BYTE_TO_COLOR = 1.0 / 255.0
def encodePDFString(s):
if not s:
return s
elif isinstance(s, unicode):
return BOM_MAPPING['utf-16-be'] + s.encode('utf-16-be')
try:
s = unicode(s, 'utf-8').encode('latin-1')
except UnicodeError:
# not latin-1, encode as UTF-16 (little endian)
s = BOM_MAPPING['utf-16-be'] + unicode(s, 'utf-8').encode('utf-16-be')
return s
def annotate(fp_in, annotations):
pdf = PDFDocument(fp_in)
for annotation in annotations:
page = annotation.get('page', 0)
try:
pdfpage = pdf.pages[page]
except IndexError:
print >> sys.stderr, 'Page %d not found in pdf, not adding annotations %r' % (page, annotation)
continue
size = pdfpage.getPageDimension()
angle = int(pdfpage.get('/Rotate', 0))
x = annotation['x']
y = annotation['y']
if angle == 0:
x = float(x)
y = size[3] - float(y) - 20
elif angle == 90:
x, y = float(y) - 2, float(x) - 15
else:
x = float(x)
y = float(y)
print >> sys.stderr, 'Page rotated by %d degrees not implemented yet' % (angle)
color = annotation.get('color', None)
if isinstance(color, basestring):
if color[:1] != '#':
print >> sys.stderr, 'Unsupported color format: %s' % (color)
color = None
else:
# Assume HTML color with format "#RRGGBB".
try:
color = int(color[1:], 16)
except ValueError as e:
print >> sys.stderr, 'Unsupported color format: %s (%s)' % (color, e)
color = None
if color is not None:
r, g, b = color >> 16, (color >> 8) & 0xff, color & 0xff
color = (r * BYTE_TO_COLOR, g * BYTE_TO_COLOR, b * BYTE_TO_COLOR)
else:
color = None
author = encodePDFString(annotation.get('author', None))
modified = annotation.get('modified', None)
pdf.addAnnotationAtPosition(x, y, encodePDFString(annotation['text']),
width=18, height=20,
startOpen=True,
page=pdfpage,
color=color,
author=author or None,
modified=modified or None)
fp_out = StringIO()
pdf.write(fp_out)
return fp_out.getvalue()

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##
## @copyright Copyright (C) 2020, struktur AG
##
## @author Joachim Bauch <mail@joachim-bauch.de>
##
## @license AGPL-3.0
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU Affero General Public License as
## published by the Free Software Foundation, either version 3 of the
## License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Affero General Public License for more details.
##
## You should have received a copy of the GNU Affero General Public License
## along with this program. If not, see <https://www.gnu.org/licenses/>.
##
from cStringIO import StringIO
import sys
import time
try:
from PyPDF2.generic import ArrayObject, BooleanObject, DictionaryObject, FloatObject, NameObject, RectangleObject, TextStringObject
from PyPDF2.pdf import PdfFileReader, PdfFileWriter
except ImportError:
# Development
sys.path.append('PyPDF2')
try:
from PyPDF2.generic import ArrayObject, BooleanObject, DictionaryObject, FloatObject, NameObject, RectangleObject, TextStringObject
from PyPDF2.pdf import PdfFileReader, PdfFileWriter
except ImportError:
# Fallback to package "python-pypdf" in the system.
from pyPdf.generic import ArrayObject, BooleanObject, DictionaryObject, FloatObject, NameObject, RectangleObject, TextStringObject
from pyPdf.pdf import PdfFileReader, PdfFileWriter
BYTE_TO_COLOR = 1.0 / 255.0
def annotate(fp_in, annotations):
reader = PdfFileReader(fp_in)
pdf = PdfFileWriter()
for page in reader.pages:
pdf.addPage(page)
for annotation in annotations:
page = annotation.get('page', 0)
try:
pdfpage = pdf.getPage(page)
except IndexError:
print >> sys.stderr, 'Page %d not found in pdf, not adding annotations %r' % (page, annotation)
continue
size = pdfpage.mediaBox
angle = int(pdfpage.get('/Rotate', 0))
x = annotation['x']
y = annotation['y']
if angle == 0:
x = float(x)
y = size[3] - float(y) - 20
elif angle == 90:
x, y = float(y) - 2, float(x) - 15
else:
x = float(x)
y = float(y)
print >> sys.stderr, 'Page rotated by %d degrees not implemented yet' % (angle)
color = annotation.get('color', None)
if isinstance(color, basestring):
if color[:1] != '#':
print >> sys.stderr, 'Unsupported color format: %s' % (color)
color = None
else:
# Assume HTML color with format "#RRGGBB".
try:
color = int(color[1:], 16)
except ValueError as e:
print >> sys.stderr, 'Unsupported color format: %s (%s)' % (color, e)
color = None
if color is not None:
r, g, b = color >> 16, (color >> 8) & 0xff, color & 0xff
color = (r * BYTE_TO_COLOR, g * BYTE_TO_COLOR, b * BYTE_TO_COLOR)
else:
color = None
pages = pdf.getObject(pdf._pages)
pageref = pages["/Kids"][page]
anno = DictionaryObject()
anno.update({
NameObject('/Type'): NameObject('/Annot'),
NameObject('/Subtype'): NameObject('/Text'),
NameObject('/P'): pageref,
NameObject('/Rect'): RectangleObject([x, y, x+18, y+20]),
NameObject('/Contents'): TextStringObject(annotation['text']),
NameObject('/C'): ArrayObject([FloatObject(x) for x in color]),
NameObject('/Open'): BooleanObject(True),
})
author = annotation.get('author', None)
if author:
anno[NameObject('/T')] = TextStringObject(author)
modified = annotation.get('modified', None)
if modified:
modified = time.strftime('%Y%m%d%H%M%SZ', time.gmtime(modified))
anno[NameObject('/M')] = TextStringObject(modified)
annoRef = pdf._addObject(anno)
annots = pdfpage.get('/Annots', None)
if annots is None:
annots = pdfpage[NameObject('/Annots')] = ArrayObject([annoRef])
else:
annots.append(annoRef)
fp_out = StringIO()
pdf.write(fp_out)
return fp_out.getvalue()

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var config = {};
// The port the service should run on.
config.port = 8080;
// The shared secret for token validation. Must be the same value
// as configured in the Nextcloud admin interface.
config.secret = 'the-shared-secret';
// INSECURE! Allow any self-signed / expired certificates.
// Only use this during development!
config.allow_invalid_certificates = false;
// Required for newer versions of node / libssl.
// See https://github.com/nodejs/node/issues/21513#issuecomment-399790415
config.use_auto_ecdh_curve = false;
// Command to use when running pdftk. Defaults to 'pdftk' if not configured.
config.cmd_pdftk = '';
// Command to use when running svg2pdf. Defaults to 'svg2pdf' if not configured.
config.cmd_svg2pdf = '';
module.exports = config;

15
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{
"name": "pdfdraw",
"version": "0.0.1",
"license": "AGPL-3.0",
"description": "Sample server for pdfdraw",
"repository": {
"type": "git",
"url": "https://gitlab.com/strukturag/pdfdraw.git"
},
"main": "server.js",
"dependencies": {
"jsonwebtoken": "^8.4.0",
"socket.io": "^2.1.1"
}
}

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#!/usr/bin/python -u
##
## @copyright Copyright (C) 2018, struktur AG
##
## @author Joachim Bauch <mail@joachim-bauch.de>
##
## @license AGPL-3.0
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU Affero General Public License as
## published by the Free Software Foundation, either version 3 of the
## License, or (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Affero General Public License for more details.
##
## You should have received a copy of the GNU Affero General Public License
## along with this program. If not, see <https://www.gnu.org/licenses/>.
##
import argparse
from cStringIO import StringIO
import json
import sys
try:
from annotate_pdfparser import annotate
except ImportError:
from annotate_pypdf import annotate
def main():
parser = argparse.ArgumentParser(description='Add text annotations to PDF.')
parser.add_argument('input', metavar='INPUT',
help='Input filename. Use "-" for stdin.')
parser.add_argument('output', metavar='OUTPUT',
help='Output filename. Use "-" for stdout.')
parser.add_argument('--text', dest='text',
help='JSON filename describing the text annotations.')
args = parser.parse_args()
try:
annotations = json.loads(file(args.text, 'rb').read())
except Exception, e:
parser.error('Could not open/read text annotations: %s' % (e))
if args.input == '-':
fp_in = StringIO(sys.stdin.read())
else:
fp_in = file(args.input, 'rb')
pdf_data = annotate(fp_in, annotations)
if args.output == '-':
sys.stdout.write(pdf_data)
else:
with file(args.output, 'wb') as fp:
fp.write(pdf_data)
if __name__ == '__main__':
main()

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[Unit]
Description=PDF Annotation service for Nextcloud
After=network.target
[Service]
WorkingDirectory=/path/to/nextcloud/apps/pdfdraw/server
User=root
ExecStart=/usr/bin/nodejs server.js
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=2
StartLimitInterval=0
[Install]
WantedBy=multi-user.target

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/**
* @copyright Copyright (C) 2018, struktur AG
*
* @author Joachim Bauch <mail@joachim-bauch.de>
*
* @license AGPL-3.0
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
"use strict";
var process = require('process');
var config;
try {
config = require('./config');
} catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
throw e;
}
console.log('Could not load "config.js":', e.code);
console.log('Please make sure to copy "config.js.in" to "config.js" and adjust to your environment.');
process.exit(1);
}
var port = config.port || 8080;
var secret = config.secret || '';
var child_process = require('child_process');
var fs = require('fs');
var path = require('path');
var https = require('https');
var http = require('http');
var jwt = require('jsonwebtoken');
var os = require('os');
var socketio = require('socket.io');
var querystring = require('querystring');
var url = require('url');
if (config.use_auto_ecdh_curve) {
// See https://github.com/nodejs/node/issues/21513#issuecomment-399790415
require("tls").DEFAULT_ECDH_CURVE = "auto";
}
if (config.allow_invalid_certificates) {
console.log('WARNING: Invalid certificates are allowed!');
process.env["NODE_TLS_REJECT_UNAUTHORIZED"] = 0;
}
var CMD_PDFTK = config.cmd_pdftk || 'pdftk';
console.log('Using', CMD_PDFTK, 'to run as pdftk');
var CMD_SVG2PDF = config.cmd_svg2pdf || 'svg2pdf';
console.log('Using', CMD_SVG2PDF, 'to run as svg2pdf');
var PERMISSION_CREATE = 4;
var PERMISSION_READ = 1;
var PERMISSION_UPDATE = 2;
var PERMISSION_DELETE = 8;
var PERMISSION_SHARE = 16;
var PERMISSION_ALL = 31;
function isEmpty(obj) {
return Object.keys(obj).length === 0 && obj.constructor === Object;
}
function parse_url(s) {
if (url.hasOwnProperty('URL')) {
return new url.URL(s);
} else {
return url.parse(s);
}
}
function performOcsRequest(token, request_url, body, method) {
return new Promise(function(resolve, reject) {
var u = parse_url(request_url);
var headers = {
"Accept": "application/json",
"Authorization": "Bearer " + token,
"OCS-APIRequest": "true"
};
var options = {
"hostname": u.hostname,
"port": u.port,
"path": u.pathname,
"headers": headers
};
if (body) {
options.method = method ? method : "POST";
if (typeof(body) !== "string") {
body = querystring.stringify(body);
}
headers["Content-Type"] = "application/x-www-form-urlencoded";
// "Transfer-Encoding: chunked" doesn't seem to work.
headers["Content-Length"] = body.length;
} else {
options.method = method ? method : "GET";
}
var req = https.request(options, function(response) {
var data = [];
response.on('data', function(chunk) {
data.push(chunk);
});
response.on('end', function() {
if (data.length) {
data = Buffer.concat(data).toString("utf-8");
}
var ct = response.headers['content-type'];
if (ct && ct.indexOf("application/json") === 0) {
data = JSON.parse(data);
}
if (response.statusCode !== 200) {
return reject({
"code": response.statusCode,
"data": data,
"headers": response.headers
});
}
if (!data || typeof(data) === "string" || !data.hasOwnProperty("ocs") ||
!data.ocs.hasOwnProperty("meta") || !data.ocs.hasOwnProperty("data")) {
return reject({
"code": response.statusCode,
"data": data,
"headers": response.headers,
"msgid": "invalid_response"
});
}
var meta = data.ocs.meta;
if (meta.status !== "ok" || meta.statuscode !== 200) {
return reject({
"code": meta.statusCode,
"data": data,
"headers": response.headers
});
}
resolve(data.ocs.data);
});
});
req.on("error", function(error) {
reject({
"error": error
});
});
if (body) {
req.write(body);
}
req.end();
});
}
var Room = function(io, id, base_url) {
this.io = io;
this.room_io = io.to(id);
this.id = id;
this.base_url = base_url;
this.ocs_url = base_url + '/ocs/v2.php/apps/pdfdraw';
this.users = {};
this.items = [];
this.currentPage = null;
this.loadItems();
};
Room.prototype.isEmpty = function() {
return isEmpty(this.users);
};
Room.prototype.createToken = function() {
var token = jwt.sign({
iss: 'backend',
exp: Math.floor(Date.now() / 1000) + 300, // 5 minutes
file: this.id,
}, secret, {'algorithm': 'HS256'});
return token;
};
Room.prototype.loadItems = function() {
var request_url = this.ocs_url + "/api/v1/item/" + this.id;
var token = this.createToken();
performOcsRequest(token, request_url).then(function(items) {
console.log("Received items", items);
for (var i = 0; i < items.length; i++) {
var item = items[i];
this._addItem(item.name, item.page, item.data);
}
this.sendItems();
}.bind(this), function(error) {
console.log("Error receiving items", error);
}.bind(this));
};
Room.prototype._storeItem = function(page, name, data) {
var request_url = this.ocs_url + "/api/v1/item/" + this.id + "/" + page + "/" + encodeURIComponent(name);
var body = {
"data": data
};
var token = this.createToken();
performOcsRequest(token, request_url, body).then(function() {
console.log("Saved item", name);
}.bind(this), function(error) {
console.log("Error saving item", name, error);
}.bind(this));
};
Room.prototype._removeItem = function(page, name) {
var request_url = this.ocs_url + "/api/v1/item/" + this.id + "/" + page + "/" + encodeURIComponent(name);
var token = this.createToken();
performOcsRequest(token, request_url, null, "DELETE").then(function() {
console.log("Removed item", name);
}.bind(this), function(error) {
console.log("Error removing item", name, error);
}.bind(this));
};
Room.prototype.send = function(socket, type, message) {
socket.to(this.id).emit(type, message);
};
Room.prototype.sendMessage = function(socket, message) {
this.send(socket, 'message', message);
};
Room.prototype._addItem = function(name, page, data) {
var items;
if (!this.items.hasOwnProperty(page)) {
items = this.items[page] = {};
} else {
items = this.items[page];
}
items[name] = data;
};
Room.prototype.addItem = function(socket, name, page, data) {
if (!this.userMayModify(socket)) {
return false;
}
this._addItem(name, page, data);
this._storeItem(page, name, data);
return true;
};
Room.prototype.removeItem = function(socket, name, page) {
if (!this.userMayModify(socket)) {
return false;
}
var items;
if (!this.items.hasOwnProperty(page)) {
return true;
}
items = this.items[page];
delete items[name];
this._removeItem(page, name);
if (isEmpty(items)) {
delete this.items[page];
}
return true;
};
Room.prototype.sendItem = function(socket, name, page, data) {
var message = {
'type': 'item',
'item': {
'page': page,
'name': name,
'data': data
}
};
socket.emit("message", message);
};
Room.prototype.sendItems = function(socket) {
for (var page in this.items) {
if (!this.items.hasOwnProperty(page)) {
continue;
}
var items = this.items[page];
for (var name in items) {
if (!items.hasOwnProperty(name)) {
continue;
}
if (!socket) {
for (var userid in this.users) {
if (!this.users.hasOwnProperty(userid)) {
continue;
}
this.sendItem(this.io.to(userid), name, page, items[name]);
}
} else {
this.sendItem(socket, name, page, items[name]);
}
}
}
};
Room.prototype.handleControl = function(socket, message) {
if (!this.userMayModify(socket)) {
return false;
}
var control = message.control;
if (!control || !control.type) {
console.log('ignore invalid control message', message);
return false;
}
switch (control.type) {
case 'page':
var page = control.page;
console.log('room switched page', this.id, page);
this.currentPage = page;
break;
default:
console.log('ignore unsupported control message', message);
return false;
}
return true;
};
Room.prototype.addUser = function(socket, data) {
data.userid = socket.id;
console.log('user joined room', this.id, data);
this.send(socket, 'user.joined', [data]);
this.users[socket.id] = data;
var all_users = [];
for (var userid in this.users) {
if (!this.users.hasOwnProperty(userid)) {
continue;
}
all_users.push(this.users[userid]);
}
socket.emit('user.joined', all_users);
this.sendItems(socket);
if (this.currentPage) {
socket.emit("message", {
'type': 'control',
'control': {
'type': 'page',
'page': this.currentPage
}
});
}
};
Room.prototype.removeUser = function(socket) {
if (!this.users.hasOwnProperty(socket.id)) {
return;
}
var data = this.users[socket.id];
console.log('user left room', this.id, data);
delete this.users[socket.id];
this.send(socket, 'user.left', data);
};
Room.prototype.userMayModify = function(socket) {
if (!this.users.hasOwnProperty(socket.id)) {
return false;
}
var userdata = this.users[socket.id];
if (userdata.permissions == null) {
// Old-style user with an old token.
return false;
}
return (userdata.permissions & PERMISSION_UPDATE) === PERMISSION_UPDATE;
};
Room.prototype.downloadFile = function(token) {
return new Promise(function(resolve, reject) {
var u = parse_url(this.base_url + '/apps/pdfdraw/download/' + this.id);
var options = {
"hostname": u.hostname,
"port": u.port,
"method": "GET",
"path": u.pathname,
"headers": {
"Authorization": "Bearer " + token,
}
};
var req = https.request(options, function(response) {
var data = [];
response.on('data', function(chunk) {
data.push(chunk);
});
response.on('end', function() {
if (response.statusCode !== 200) {
return reject({
"code": response.statusCode,
"data": data,
"headers": response.headers
});
}
resolve(Buffer.concat(data));
});
});
req.on("error", function(error) {
reject({
"error": error
});
});
req.end();
}.bind(this));
};
var rooms = {};
function svg2pdf(svg_filename) {
return new Promise(function(resolve, reject) {
var cmd = CMD_SVG2PDF;
console.log("Converting", svg_filename, "to pdf ...");
var options = {};
child_process.execFile(cmd, [svg_filename], options, function(error, stdout, stderr) {
if (error) {
console.log("Converting", svg_filename, "returned an error", error);
if (stderr) {
console.log(CMD_SVG2PDF, "returned an error", error.message, stderr.toString());
} else {
console.log(CMD_SVG2PDF, "returned an error", error.message);
}
reject(error);
return;
}
var pdf_filename = svg_filename.substr(0, svg_filename.length - 4) + ".pdf";
if (!fs.existsSync(pdf_filename)) {
reject(new Error("Converting " + svg_filename + " didn't produce a file"));
return;
}
console.log("Finished converting", svg_filename);
resolve(pdf_filename);
});
});
}
function combine_pdfs(pages, filename) {
if (!pages.length) {
return false;
}
var cmd = CMD_PDFTK;
console.log("Combining pages ...");
var args = pages.splice(0);
args.push("cat");
args.push("output");
args.push(filename);
var status = child_process.spawnSync(cmd, args);
console.log("Done", status.status);
if (status.status !== 0) {
if (status.stderr) {
console.log(CMD_PDFTK, "returned an error when combining", status.stderr.toString());
} else {
console.log(CMD_PDFTK, "returned an error when combining", status);
}
return false;
}
// TODO(jojo): Check if file has been created and is non-empty.
return true;
}
function overlay_pdf(source_pdf, overlay_filename) {
if (!overlay_filename) {
return source_pdf;
}
var cmd = CMD_PDFTK;
console.log("Merging combined with overlay ...");
var args = ["-", "multistamp", overlay_filename, "output", "-"];
var status = child_process.spawnSync(cmd, args, {
"input": source_pdf,
});
console.log("Done", status.status);
if (status.status !== 0) {
if (status.stderr) {
console.log(CMD_PDFTK, "returned an error when merging", status.stderr.toString());
} else {
console.log(CMD_PDFTK, "returned an error when merging", status);
}
return null;
}
var merged = status.stdout;
if (!merged.length) {
console.log(CMD_PDFTK, "didn't return a PDF when merging");
return null;
}
return merged;
}
function add_text_annotations(source_pdf, text, tempdir) {
if (!text || !text.length) {
return source_pdf;
}
var cmd = __dirname + "/pdfannotate";
console.log("Adding " + text.length + " text annotations ...");
var text_filename = tempdir + "/text-annotations.json";
fs.writeFileSync(text_filename, JSON.stringify(text));
var args = ["--text", text_filename, "-", "-"];
var status = child_process.spawnSync(cmd, args, {
"input": source_pdf,
});
console.log("Done", status.status);
if (status.status !== 0) {
if (status.stderr) {
console.log("Adding text annotations returned an error", status.stderr.toString());
} else {
console.log("Adding text annotations returned an error", status);
}
return source_pdf;
}
var annotated = status.stdout;
if (!annotated.length) {
console.log("Adding text annotations didn't return a PDF");
return source_pdf;
}
return annotated;
}
// mktemp code taken from https://github.com/sasaplus1/mktemp/ (MIT license)
/**
* random table string and table length.
*/
var TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
var TABLE_LEN = TABLE.length;
/**
* generate random string from template.
*
* replace for placeholder "X" in template.
* return template if not has placeholder.
*
* @param {String} template template string.
* @throws {TypeError} if template is not a String.
* @return {String} replaced string.
*/
function generate_randomstring(template) {
var match, i, len, result;
if (typeof template !== 'string') {
throw new TypeError('template must be a String: ' + template);
}
match = template.match(/(X+)[^X]*$/);
// return template if not has placeholder
if (match === null) {
return template;
}
// generate random string
for (result = '', i = 0, len = match[1].length; i < len; ++i) {
result += TABLE[Math.floor(Math.random() * TABLE_LEN)];
}
// concat template and random string
return template.slice(0, match.index) + result +
template.slice(match.index + result.length);
}
/**
* sync version createDir.
*
* @param {String} template template string for dirname.
* @return {String} created dirname.
*/
function createDirSync(template) {
var isExist, dirname;
// FIXME: infinite loop
do {
isExist = false;
dirname = generate_randomstring(template);
try {
fs.mkdirSync(dirname, 448 /*=0700*/);
} catch (e) {
if (e.code === 'EEXIST') {
isExist = true;
} else {
throw e;
}
}
} while (isExist);
return dirname;
}
// From https://stackoverflow.com/a/32197381
var deleteFolderRecursive = function(path) {
if (fs.existsSync(path)) {
fs.readdirSync(path).forEach(function(file, index) {
var curPath = path + "/" + file;
if (fs.lstatSync(curPath).isDirectory()) { // recurse
deleteFolderRecursive(curPath);
} else { // delete file
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(path);
}
};
var runSvg2PdfCombiner = function(tempdir, data) {
return new Promise(function(resolve, reject) {
var promises = [];
var svg_cache = {};
for (var i = 0; i < data.svg.length; i++) {
var svg = data.svg[i];
if (svg_cache.hasOwnProperty(svg)) {
promises.push(svg_cache[svg]);
continue;
}
var svg_filename = tempdir + "/page-" + i + ".svg";
fs.writeFileSync(svg_filename, svg);
var promise = svg2pdf(svg_filename);
svg_cache[svg] = promise;
promises.push(promise);
}
Promise.all(promises)
.then(function(pdfs) {
var combined_filename = tempdir + "/combined.pdf";
if (!combine_pdfs(pdfs, combined_filename)) {
reject();
return;
}
resolve(combined_filename);
})
.catch(function(error) {
reject(error);
});
});
};
function pad(n) {
return n < 10 ? '0' + n : n;
}
function formatTimestamp(d) {
return '' +
d.getFullYear() +
pad(d.getMonth() + 1) +
pad(d.getDate()) + '-' +
pad(d.getHours()) +
pad(d.getMinutes()) +
pad(d.getSeconds());
}
function getDownloadFilename(filename, now) {
var ext = path.extname(filename);
filename = path.basename(filename, ext);
filename = filename.replace('"', '');
filename += '-Annotated-';
filename += formatTimestamp(now);
filename += ext || '.pdf';
return filename;
}
var server = http.createServer(function(request, response) {
if (request.method === "OPTIONS") {
// Pre-flight request
response.writeHead(200, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type",
"Access-Control-Expose-Headers": "Content-Disposition"
});
response.end();
return;
}
if (request.method !== "POST") {
response.writeHead(400, {
"Content-Type": "text/plain"
});
response.end('Bad Request');
return;
}
var u = url.parse(request.url);
if (u.pathname.indexOf("/download/") !== 0) {
response.writeHead(404, {
"Content-Type": "text/plain"
});
response.end('Not Found');
return;
}
var room_id = u.pathname.substr(10);
if (!rooms.hasOwnProperty(room_id)) {
console.log("Unknown room", room_id);
response.writeHead(404, {
"Content-Type": "text/plain"
});
response.end('Not Found');
return;
}
var room = rooms[room_id];
var body = null;
request.on("data", function(chunk) {
if (body === null) {
body = chunk;
} else {
body += chunk;
}
});
request.on('end', () => {
if (!body || !body.length) {
console.log("Client sent an empty request");
response.writeHead(400, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "text/plain"
});
response.end('Bad Request');
return;
}
var data = JSON.parse(body.toString("utf-8"));
var token = data.token;
var decoded;
try {
decoded = jwt.verify(token, secret, {"algorithms": ['HS256']});
} catch (err) {
console.log("Client sent an invalid token", token);
response.writeHead(401, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "text/plain"
});
response.end('Unauthorized');
return;
}
if (room_id !== decoded.file) {
console.log("Client sent a token for a different file", decoded);
response.writeHead(401, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "text/plain"
});
response.end('Unauthorized');
return;
}
var downloader = room.downloadFile(token);
var tempdir = createDirSync(os.tmpdir() + "/svg2pdf-XXXXXX");
var combiner = runSvg2PdfCombiner(tempdir, data);
Promise.all([downloader, combiner]).then(function(results) {
var source_pdf = results[0];
var combined_filename = results[1];
if (!source_pdf.length) {
deleteFolderRecursive(tempdir);
console.log("Empty file received", room.id, token);
response.writeHead(500, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "text/plain"
});
response.end('Internal Server Error');
return;
}
var merged = overlay_pdf(source_pdf, combined_filename);
merged = add_text_annotations(merged, data.text, tempdir);
deleteFolderRecursive(tempdir);
if (!merged) {
response.writeHead(500, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "text/plain"
});
response.end('Internal Server Error');
return;
}
var now = new Date();
var filename = getDownloadFilename(decoded.filename || room_id, now);
response.writeHead(200, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "application/pdf",
"Content-Disposition": "attachment; filename=\"" + filename + "\"",
"Content-Length": merged.length
});
response.end(merged);
})
.catch(function(error) {
deleteFolderRecursive(tempdir);
if (error) {
console.log("Error", error);
}
response.writeHead(500, {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST",
"Access-Control-Allow-Headers": "Content-Type, Content-Disposition",
"Access-Control-Expose-Headers": "Content-Disposition",
"Content-Type": "text/plain"
});
response.end('Internal Server Error');
});
});
});
var io = socketio(server);
io.set('origins', '*:*');
io.on('connection', function(socket) {
var query = socket.handshake.query;
console.log('a user connected', query);
var token = query.token;
var decoded;
try {
decoded = jwt.verify(token, secret, {"algorithms": ['HS256']});
} catch(err) {
console.log("Invalid token received", err);
socket.disconnect(true);
return;
}
var baseurl = decoded.iss;
if (!baseurl) {
console.log('token did not contain a issuer', decoded);
socket.disconnect(true);
return;
}
var room_id = decoded.file;
if (!room_id) {
console.log("token did not contain a file id", decoded);
socket.disconnect(true);
return;
}
console.log("Token", decoded);
var room;
socket.on('disconnecting', function(reason) {
if (!room) {
return;
}
room.removeUser(socket);
if (room.isEmpty()) {
console.log("deleting empty room", room.id);
delete rooms[room.id];
}
});
socket.on('disconnect', function(reason) {
console.log('a user disconnected');
});
if (!rooms.hasOwnProperty(room_id)) {
room = rooms[room_id] = new Room(io, room_id, baseurl);
console.log("created room", room_id);
} else {
room = rooms[room_id];
console.log('joined room', room_id);
}
socket.on('message', function(message) {
message.userid = socket.id;
var page, name;
if (message.type === "item") {
page = message.item.page;
name = message.item.name;
var data = message.item.data;
if (!page || !name || !data) {
// Ignore invalid entries.
return;
}
try {
JSON.parse(data);
} catch (e) {
// Ignore items with invalid data.
return;
}
if (!room.addItem(socket, name, page, data)) {
return;
}
} else if (message.type === "delete") {
page = message.delete.page;
name = message.delete.name;
if (!page || !name) {
// Ignore invalid entries.
return;
}
if (!room.removeItem(socket, name, page)) {
return;
}
} else if (message.type === "control") {
if (!room.handleControl(socket, message)) {
return;
}
}
room.sendMessage(socket, message);
});
socket.join(room_id, function() {
var displayname = decoded.displayname || null;
var permissions = decoded.permissions || null;
room.addUser(socket, {
'displayname': displayname,
'permissions': permissions
});
});
});
server.listen(port, function() {
console.log('listening on *:' + port);
});

8
templates/index.php Normal file
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@ -0,0 +1,8 @@
<div id="app">
<iframe id="renderframe" width="100%" height="100%"
src="<?php p($_["url"]) ?>"
sandbox="allow-scripts allow-same-origin allow-popups allow-modals allow-top-navigation allow-downloads"
allowfullscreen="true" />
</div>

22
templates/settings/admin/backend.php Normal file
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@ -0,0 +1,22 @@
<?php
/** @var array $_ */
/** @var \OCP\IL10N $l */
script('pdfdraw', ['admin/backend']);
style('pdfdraw', ['backend']);
?>
<div class="pdfdraw section backend" data-backend="<?php p($_['backend']) ?>">
<h3><?php p($l->t('PDF Annotations')) ?></h3>
<div class="backend-server">
<h4><?php p($l->t('Backend server')) ?></h4>
<input type="text" id="backend_server"
name="backend_server" placeholder="<?php p($l->t('https://server.domain.invalid/path/')) ?>" aria-label="<?php p($l->t('Backend server')) ?>"/>
<span class="icon icon-checkmark-color hidden" title="<?php p($l->t('Saved')) ?>"></span>
</div>
<div class="shared-secret">
<h4><?php p($l->t('Shared secret')) ?></h4>
<input type="text" id="shared_secret"
name="shared_secret" placeholder="<?php p($l->t('Shared secret')) ?>" aria-label="<?php p($l->t('Shared secret')) ?>"/>
<span class="icon icon-checkmark-color hidden" title="<?php p($l->t('Saved')) ?>"></span>
</div>
</div>

463
templates/viewer.php Normal file
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<?php
/** @var array $_ */
/** @var OCP\IURLGenerator $urlGenerator */
$urlGenerator = $_['urlGenerator'];
$version = \OCP\App::getAppVersion('pdfdraw');
?>
<!DOCTYPE html>
<!--
Copyright 2012 Mozilla Foundation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Adobe CMap resources are covered by their own copyright but the same license:
Copyright 1990-2015 Adobe Systems Incorporated.
See https://github.com/adobe-type-tools/cmap-resources
-->
<html dir="ltr" mozdisallowselectionprint>
<head data-workersrc="<?php p($urlGenerator->linkTo('pdfdraw', '3rdparty/pdfjs/build/pdf.worker.js')) ?>?v=<?php p($version) ?>" data-cmapurl="<?php p($urlGenerator->linkTo('pdfdraw', '3rdparty/pdfjs/web/cmaps/')) ?>" data-socketurl="<?php p($_['server']) ?>" data-fileid="<?php p($_['fileId']) ?>" data-userid="<?php p($_['userId']) ?>" data-displayname="<?php p($_['displayName']) ?>" data-token="<?php p($_['token']) ?>" data-permissions="<?php p($_['permissions']) ?>">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<meta name="google" content="notranslate">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>PDF Annotations</title>
<link rel="stylesheet" href="<?php p($urlGenerator->linkTo('pdfdraw', '3rdparty/pdfjs/web/viewer.css')) ?>?v=<?php p($version) ?>"/>
<link rel="stylesheet" href="<?php p($urlGenerator->linkTo('pdfdraw', 'css/pdfdraw.css')) ?>?v=<?php p($version) ?>"/>
<!-- This snippet is used in production (included from viewer.html) -->
<link rel="resource" type="application/l10n" href="<?php p($urlGenerator->linkTo('pdfdraw', '3rdparty/pdfjs/web/locale/locale.properties')) ?>?v=<?php p($version) ?>">
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', '3rdparty/pdfjs/build/pdf.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', '3rdparty/pdfjs/web/viewer.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', 'js/libs/jquery-3.3.1.min.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', 'js/libs/paper-0.11.8.min.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', 'js/libs/socket.io-2.1.1.min.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', 'js/libs/iro-4.5.0.min.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', 'js/libs/iro-transparency-plugin-1.0.2.min.js')) ?>?v=<?php p($version) ?>"></script>
<script nonce="<?php p(\OC::$server->getContentSecurityPolicyNonceManager()->getNonce()) ?>" src="<?php p($urlGenerator->linkTo('pdfdraw', 'js/pdfdraw.js')) ?>?v=<?php p($version) ?>"></script>
</head>
<body tabindex="1" class="loadingInProgress">
<div id="colorPicker">
</div>
<div id="connectingMessage">
Establishing connection, please wait...
</div>
<div id="connectionError">
The connection is interrupted, reconnecting...
</div>
<div id="downloadInProgress">
Generating combined PDF, please wait...
</div>
<div id="downloadFailed">
PDF generation failed, please try again later.
</div>
<div id="outerContainer">
<div id="sidebarContainer">
<div id="toolbarSidebar">
<div class="splitToolbarButton toggled">
<button id="viewThumbnail" class="toolbarButton toggled" title="Show Thumbnails" tabindex="2" data-l10n-id="thumbs">
<span data-l10n-id="thumbs_label">Thumbnails</span>
</button>
<button id="viewOutline" class="toolbarButton" title="Show Document Outline (double-click to expand/collapse all items)" tabindex="3" data-l10n-id="document_outline">
<span data-l10n-id="document_outline_label">Document Outline</span>
</button>
<button id="viewAttachments" class="toolbarButton" title="Show Attachments" tabindex="4" data-l10n-id="attachments">
<span data-l10n-id="attachments_label">Attachments</span>
</button>
</div>
</div>
<div id="sidebarContent">
<div id="thumbnailView">
</div>
<div id="outlineView" class="hidden">
</div>
<div id="attachmentsView" class="hidden">
</div>
</div>
<div id="sidebarResizer" class="hidden"></div>
</div> <!-- sidebarContainer -->
<div id="mainContainer">
<div class="findbar hidden doorHanger" id="findbar">
<div id="findbarInputContainer">
<input id="findInput" class="toolbarField" title="Find" placeholder="Find in document…" tabindex="91" data-l10n-id="find_input">
<div class="splitToolbarButton">
<button id="findPrevious" class="toolbarButton findPrevious" title="Find the previous occurrence of the phrase" tabindex="92" data-l10n-id="find_previous">
<span data-l10n-id="find_previous_label">Previous</span>
</button>
<div class="splitToolbarButtonSeparator"></div>
<button id="findNext" class="toolbarButton findNext" title="Find the next occurrence of the phrase" tabindex="93" data-l10n-id="find_next">
<span data-l10n-id="find_next_label">Next</span>
</button>
</div>
</div>
<div id="findbarOptionsOneContainer">
<input type="checkbox" id="findHighlightAll" class="toolbarField" tabindex="94">
<label for="findHighlightAll" class="toolbarLabel" data-l10n-id="find_highlight">Highlight all</label>
<input type="checkbox" id="findMatchCase" class="toolbarField" tabindex="95">
<label for="findMatchCase" class="toolbarLabel" data-l10n-id="find_match_case_label">Match case</label>
</div>
<div id="findbarOptionsTwoContainer">
<input type="checkbox" id="findEntireWord" class="toolbarField" tabindex="96">
<label for="findEntireWord" class="toolbarLabel" data-l10n-id="find_entire_word_label">Whole words</label>
<span id="findResultsCount" class="toolbarLabel hidden"></span>
</div>
<div id="findbarMessageContainer">
<span id="findMsg" class="toolbarLabel"></span>
</div>
</div> <!-- findbar -->
<div id="secondaryToolbar" class="secondaryToolbar hidden doorHangerRight">
<div id="secondaryToolbarButtonContainer">
<button id="secondaryPresentationMode" class="secondaryToolbarButton presentationMode visibleLargeView" title="Switch to Presentation Mode" tabindex="51" data-l10n-id="presentation_mode">
<span data-l10n-id="presentation_mode_label">Presentation Mode</span>
</button>
<button id="secondaryOpenFile" class="secondaryToolbarButton openFile visibleLargeView" title="Open File" tabindex="52" data-l10n-id="open_file">
<span data-l10n-id="open_file_label">Open</span>
</button>
<button id="secondaryPrint" class="secondaryToolbarButton print visibleMediumView" title="Print" tabindex="53" data-l10n-id="print">
<span data-l10n-id="print_label">Print</span>
</button>
<button id="secondaryDownload" class="secondaryToolbarButton download visibleMediumView" title="Download" tabindex="54" data-l10n-id="download">
<span data-l10n-id="download_label">Download</span>
</button>
<a href="#" id="secondaryViewBookmark" class="secondaryToolbarButton bookmark visibleSmallView" title="Current view (copy or open in new window)" tabindex="55" data-l10n-id="bookmark">
<span data-l10n-id="bookmark_label">Current View</span>
</a>
<div class="horizontalToolbarSeparator visibleLargeView"></div>
<button id="firstPage" class="secondaryToolbarButton firstPage" title="Go to First Page" tabindex="56" data-l10n-id="first_page">
<span data-l10n-id="first_page_label">Go to First Page</span>
</button>
<button id="lastPage" class="secondaryToolbarButton lastPage" title="Go to Last Page" tabindex="57" data-l10n-id="last_page">
<span data-l10n-id="last_page_label">Go to Last Page</span>
</button>
<div class="horizontalToolbarSeparator"></div>
<button id="pageRotateCw" class="secondaryToolbarButton rotateCw" title="Rotate Clockwise" tabindex="58" data-l10n-id="page_rotate_cw">
<span data-l10n-id="page_rotate_cw_label">Rotate Clockwise</span>
</button>
<button id="pageRotateCcw" class="secondaryToolbarButton rotateCcw" title="Rotate Counterclockwise" tabindex="59" data-l10n-id="page_rotate_ccw">
<span data-l10n-id="page_rotate_ccw_label">Rotate Counterclockwise</span>
</button>
<div class="horizontalToolbarSeparator"></div>
<button id="cursorSelectTool" class="secondaryToolbarButton selectTool toggled" title="Enable Text Selection Tool" tabindex="60" data-l10n-id="cursor_text_select_tool">
<span data-l10n-id="cursor_text_select_tool_label">Text Selection Tool</span>
</button>
<button id="cursorHandTool" class="secondaryToolbarButton handTool" title="Enable Hand Tool" tabindex="61" data-l10n-id="cursor_hand_tool">
<span data-l10n-id="cursor_hand_tool_label">Hand Tool</span>
</button>
<div class="horizontalToolbarSeparator"></div>
<button id="scrollVertical" class="secondaryToolbarButton scrollModeButtons scrollVertical toggled" title="Use Vertical Scrolling" tabindex="62" data-l10n-id="scroll_vertical">
<span data-l10n-id="scroll_vertical_label">Vertical Scrolling</span>
</button>
<button id="scrollHorizontal" class="secondaryToolbarButton scrollModeButtons scrollHorizontal" title="Use Horizontal Scrolling" tabindex="63" data-l10n-id="scroll_horizontal">
<span data-l10n-id="scroll_horizontal_label">Horizontal Scrolling</span>
</button>
<button id="scrollWrapped" class="secondaryToolbarButton scrollModeButtons scrollWrapped" title="Use Wrapped Scrolling" tabindex="64" data-l10n-id="scroll_wrapped">
<span data-l10n-id="scroll_wrapped_label">Wrapped Scrolling</span>
</button>
<div class="horizontalToolbarSeparator scrollModeButtons"></div>
<button id="spreadNone" class="secondaryToolbarButton spreadModeButtons spreadNone toggled" title="Do not join page spreads" tabindex="65" data-l10n-id="spread_none">
<span data-l10n-id="spread_none_label">No Spreads</span>
</button>
<button id="spreadOdd" class="secondaryToolbarButton spreadModeButtons spreadOdd" title="Join page spreads starting with odd-numbered pages" tabindex="66" data-l10n-id="spread_odd">
<span data-l10n-id="spread_odd_label">Odd Spreads</span>
</button>
<button id="spreadEven" class="secondaryToolbarButton spreadModeButtons spreadEven" title="Join page spreads starting with even-numbered pages" tabindex="67" data-l10n-id="spread_even">
<span data-l10n-id="spread_even_label">Even Spreads</span>
</button>
<div class="horizontalToolbarSeparator spreadModeButtons"></div>
<button id="documentProperties" class="secondaryToolbarButton documentProperties" title="Document Properties…" tabindex="68" data-l10n-id="document_properties">
<span data-l10n-id="document_properties_label">Document Properties…</span>
</button>
</div>
</div> <!-- secondaryToolbar -->
<div id="drawMenuToolbar" class="secondaryToolbar drawMenuToolbar hidden doorHangerRight hiddenReadonly">
<div id="drawModeToolbarButtonContainer">
<button id="freehandMode" class="modeButton toolbarButton freehandMode hiddenMediumView" title="Freehand" tabindex="34" data-l10n-id="freehand" data-mode="freehand">
<span data-l10n-id="freehand_label">Freehand</span>
</button>
<button id="rectangleMode" class="modeButton toolbarButton rectangleMode hiddenMediumView" title="Rectangle" tabindex="34" data-l10n-id="rectangle" data-mode="rectangle">
<span data-l10n-id="rectangle_label">Rectangle</span>
</button>
<button id="ellipseMode" class="modeButton toolbarButton ellipseMode hiddenMediumView" title="Ellipse" tabindex="34" data-l10n-id="ellipse" data-mode="ellipse">
<span data-l10n-id="ellipse_label">Ellipse</span>
</button>
<button id="lineMode" class="modeButton toolbarButton lineMode hiddenMediumView" title="Line" tabindex="34" data-l10n-id="line" data-mode="line">
<span data-l10n-id="line_label">Line</span>
</button>
</div>
</div> <!-- drawMenuToolbar -->
<div class="toolbar">
<div id="toolbarContainer">
<div id="toolbarViewer">
<div id="toolbarViewerLeft" class="hiddenReadonly">
<button id="sidebarToggle" class="toolbarButton" title="Toggle Sidebar" tabindex="11" data-l10n-id="toggle_sidebar">
<span data-l10n-id="toggle_sidebar_label">Toggle Sidebar</span>
</button>
<div class="toolbarButtonSpacer"></div>
<button id="viewFind" class="toolbarButton" title="Find in Document" tabindex="12" data-l10n-id="findbar">
<span data-l10n-id="findbar_label">Find</span>
</button>
<div class="splitToolbarButton hiddenSmallView">
<button class="toolbarButton pageUp" title="Previous Page" id="previous" tabindex="13" data-l10n-id="previous">
<span data-l10n-id="previous_label">Previous</span>
</button>
<div class="splitToolbarButtonSeparator"></div>
<button class="toolbarButton pageDown" title="Next Page" id="next" tabindex="14" data-l10n-id="next">
<span data-l10n-id="next_label">Next</span>
</button>
</div>
<input type="number" id="pageNumber" class="toolbarField pageNumber" title="Page" value="1" size="4" min="1" tabindex="15" data-l10n-id="page">
<span id="numPages" class="toolbarLabel"></span>
</div>
<div id="toolbarViewerRight">
<button id="presentationMode" class="toolbarButton presentationMode hiddenLargeView" title="Switch to Presentation Mode" tabindex="31" data-l10n-id="presentation_mode">
<span data-l10n-id="presentation_mode_label">Presentation Mode</span>
</button>
<button id="openFile" class="toolbarButton openFile hiddenLargeView" title="Open File" tabindex="32" data-l10n-id="open_file">
<span data-l10n-id="open_file_label">Open</span>
</button>
<button id="print" class="toolbarButton print hiddenMediumView" title="Print" tabindex="33" data-l10n-id="print">
<span data-l10n-id="print_label">Print</span>
</button>
<button id="download" class="toolbarButton download hiddenMediumView" title="Download" tabindex="34" data-l10n-id="download">
<span data-l10n-id="download_label">Download</span>
</button>
<a href="#" id="viewBookmark" class="toolbarButton bookmark hiddenSmallView" title="Current view (copy or open in new window)" tabindex="35" data-l10n-id="bookmark">
<span data-l10n-id="bookmark_label">Current View</span>
</a>
<button id="noneMode" class="modeButton toolbarButton noneMode hiddenMediumView hiddenReadonly" title="No tool" tabindex="32" data-l10n-id="noneMode" data-mode="">
<span data-l10n-id="noneMode_label">No tool</span>
</button>
<button id="selectMode" class="modeButton toolbarButton selectMode hiddenMediumView hiddenReadonly" title="Select" tabindex="32" data-l10n-id="selectMode" data-mode="select">
<span data-l10n-id="selectMode_label">Select</span>
</button>
<button id="pointerMode" class="modeButton toolbarButton pointerMode hiddenMediumView hiddenReadonly" title="Pointer" tabindex="33" data-l10n-id="pointer" data-mode="pointer">
<span data-l10n-id="pointer_label">Pointer</span>
</button>
<button id="drawModeToolbar" class="toolbarButton drawMode freehandMode toggle hiddenReadonly" title="Draw mode" tabindex="36" data-l10n-id="draw_mode">
<span data-l10n-id="tools_label">Draw mode</span>
<span class="dropdown"></span>
</button>
<button id="colorMode" class="modeButton toolbarButton colorMode hiddenMediumView hiddenReadonly" title="Select color" tabindex="35" data-l10n-id="color" data-mode="color">
<span data-l10n-id="color_label">Select color</span>
</button>
<button id="downloadPdf" class="toolbarButton download hiddenMediumView" title="Download" tabindex="36" data-l10n-id="download">
<span data-l10n-id="download_label">Download</span>
</button>
<button id="secondaryToolbarClose" class="toolbarButton close" title="Close" tabindex="37" data-l10n-id="Close">
<span data-l10n-id="close_label">Close</span>
</button>
<div class="verticalToolbarSeparator hiddenSmallView"></div>
<button id="secondaryToolbarToggle" class="toolbarButton toggle" title="Tools" tabindex="36" data-l10n-id="tools">
<span data-l10n-id="tools_label">Tools</span>
</button>
</div>
<div id="toolbarViewerMiddle">
<div class="splitToolbarButton">
<button id="zoomOut" class="toolbarButton zoomOut" title="Zoom Out" tabindex="21" data-l10n-id="zoom_out">
<span data-l10n-id="zoom_out_label">Zoom Out</span>
</button>
<div class="splitToolbarButtonSeparator"></div>
<button id="zoomIn" class="toolbarButton zoomIn" title="Zoom In" tabindex="22" data-l10n-id="zoom_in">
<span data-l10n-id="zoom_in_label">Zoom In</span>
</button>
</div>
<span id="scaleSelectContainer" class="dropdownToolbarButton">
<select id="scaleSelect" title="Zoom" tabindex="23" data-l10n-id="zoom">
<option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="page_scale_auto">Automatic Zoom</option>
<option id="pageActualOption" title="" value="page-actual" data-l10n-id="page_scale_actual">Actual Size</option>
<option id="pageFitOption" title="" value="page-fit" data-l10n-id="page_scale_fit">Page Fit</option>
<option id="pageWidthOption" title="" value="page-width" data-l10n-id="page_scale_width">Page Width</option>
<option id="customScaleOption" title="" value="custom" disabled="disabled" hidden="true"></option>
<option title="" value="0.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 50 }'>50%</option>
<option title="" value="0.75" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 75 }'>75%</option>
<option title="" value="1" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 100 }'>100%</option>
<option title="" value="1.25" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 125 }'>125%</option>
<option title="" value="1.5" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 150 }'>150%</option>
<option title="" value="2" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 200 }'>200%</option>
<option title="" value="3" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 300 }'>300%</option>
<option title="" value="4" data-l10n-id="page_scale_percent" data-l10n-args='{ "scale": 400 }'>400%</option>
</select>
</span>
</div>
</div>
<div id="loadingBar">
<div class="progress">
<div class="glimmer">
</div>
</div>
</div>
</div>
</div>
<menu type="context" id="viewerContextMenu">
<menuitem id="contextFirstPage" label="First Page"
data-l10n-id="first_page"></menuitem>
<menuitem id="contextLastPage" label="Last Page"
data-l10n-id="last_page"></menuitem>
<menuitem id="contextPageRotateCw" label="Rotate Clockwise"
data-l10n-id="page_rotate_cw"></menuitem>
<menuitem id="contextPageRotateCcw" label="Rotate Counter-Clockwise"
data-l10n-id="page_rotate_ccw"></menuitem>
</menu>
<div id="viewerContainer" tabindex="0">
<div id="viewer" class="pdfViewer"></div>
</div>
<div id="errorWrapper" hidden='true'>
<div id="errorMessageLeft">
<span id="errorMessage"></span>
<button id="errorShowMore" data-l10n-id="error_more_info">
More Information
</button>
<button id="errorShowLess" data-l10n-id="error_less_info" hidden='true'>
Less Information
</button>
</div>
<div id="errorMessageRight">
<button id="errorClose" data-l10n-id="error_close">
Close
</button>
</div>
<div class="clearBoth"></div>
<textarea id="errorMoreInfo" hidden='true' readonly="readonly"></textarea>
</div>
</div> <!-- mainContainer -->
<div id="overlayContainer" class="hidden">
<div id="passwordOverlay" class="container hidden">
<div class="dialog">
<div class="row">
<p id="passwordText" data-l10n-id="password_label">Enter the password to open this PDF file:</p>
</div>
<div class="row">
<input type="password" id="password" class="toolbarField">
</div>
<div class="buttonRow">
<button id="passwordCancel" class="overlayButton"><span data-l10n-id="password_cancel">Cancel</span></button>
<button id="passwordSubmit" class="overlayButton"><span data-l10n-id="password_ok">OK</span></button>
</div>
</div>
</div>
<div id="documentPropertiesOverlay" class="container hidden">
<div class="dialog">
<div class="row">
<span data-l10n-id="document_properties_file_name">File name:</span> <p id="fileNameField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_file_size">File size:</span> <p id="fileSizeField">-</p>
</div>
<div class="separator"></div>
<div class="row">
<span data-l10n-id="document_properties_title">Title:</span> <p id="titleField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_author">Author:</span> <p id="authorField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_subject">Subject:</span> <p id="subjectField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_keywords">Keywords:</span> <p id="keywordsField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_creation_date">Creation Date:</span> <p id="creationDateField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_modification_date">Modification Date:</span> <p id="modificationDateField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_creator">Creator:</span> <p id="creatorField">-</p>
</div>
<div class="separator"></div>
<div class="row">
<span data-l10n-id="document_properties_producer">PDF Producer:</span> <p id="producerField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_version">PDF Version:</span> <p id="versionField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_page_count">Page Count:</span> <p id="pageCountField">-</p>
</div>
<div class="row">
<span data-l10n-id="document_properties_page_size">Page Size:</span> <p id="pageSizeField">-</p>
</div>
<div class="separator"></div>
<div class="row">
<span data-l10n-id="document_properties_linearized">Fast Web View:</span> <p id="linearizedField">-</p>
</div>
<div class="buttonRow">
<button id="documentPropertiesClose" class="overlayButton"><span data-l10n-id="document_properties_close">Close</span></button>
</div>
</div>
</div>
<div id="printServiceOverlay" class="container hidden">
<div class="dialog">
<div class="row">
<span data-l10n-id="print_progress_message">Preparing document for printing…</span>
</div>
<div class="row">
<progress value="0" max="100"></progress>
<span data-l10n-id="print_progress_percent" data-l10n-args='{ "progress": 0 }' class="relative-progress">0%</span>
</div>
<div class="buttonRow">
<button id="printCancel" class="overlayButton"><span data-l10n-id="print_progress_close">Cancel</span></button>
</div>
</div>
</div>
</div> <!-- overlayContainer -->
</div> <!-- outerContainer -->
<div id="printContainer"></div>
</body>
</html>