File modules/OfficeDocumentViewer/Module.php

1:	<?php
2:	/**
3:	* This code is licensed under AGPLv3 license or Afterlogic Software License
4:	* if commercial version of the product was purchased.
5:	* For full statements of the licenses see LICENSE-AFTERLOGIC and LICENSE-AGPL3 files.
6:	*/
7:
8:	namespace Aurora\Modules\OfficeDocumentViewer;
9:
10:	/**
11:	* @license https://www.gnu.org/licenses/agpl-3.0.html AGPL-3.0
12:	* @license https://afterlogic.com/products/common-licensing Afterlogic Software License
13:	* @copyright Copyright (c) 2023, Afterlogic Corp.
14:	*
15:	* @package Modules
16:	*/
17:	class Module extends \Aurora\System\Module\AbstractModule
18:	{
19:	/**
20:	* Initializes module.
21:	*
22:	* @ignore
23:	*/
24:	public function init()
25:	{
26:	$this->subscribeEvent('System::RunEntry::before', array($this, 'onBeforeFileViewEntry'), 5);
27:	$this->subscribeEvent('Files::GetFile', array($this, 'onGetFile'), 10);
28:	}
29:
30:	public function GetSettings()
31:	{
32:	\Aurora\System\Api::checkUserRoleIsAtLeast(\Aurora\System\Enums\UserRole::NormalUser);
33:
34:	return array(
35:	'ExtensionsToView' => $this->getExtensionsToView()
36:	);
37:	}
38:
39:	protected function getExtensionsToView()
40:	{
41:	return $this->getConfig(
42:	'ExtensionsToView',
43:	[
44:	'doc',
45:	'docx',
46:	'docm',
47:	'dotm',
48:	'dotx',
49:	'xlsx',
50:	'xlsb',
51:	'xls',
52:	'xlsm',
53:	'pptx',
54:	'ppsx',
55:	'ppt',
56:	'pps',
57:	'pptm',
58:	'potm',
59:	'ppam',
60:	'potx',
61:	'ppsm',
62:	'odt',
63:	'odx']
64:	);
65:	}
66:
67:	/**
68:	* @param string $sFileName = ''
69:	* @return bool
70:	*/
71:	protected function isOfficeDocument($sFileName = '')
72:	{
73:	$sExtensions = implode('\|', $this->getExtensionsToView());
74:	return !!preg_match('/\.(' . $sExtensions . ')$/', strtolower(trim($sFileName)));
75:	}
76:
77:	/**
78:	*
79:	* @param type $aArguments
80:	* @param type $aResult
81:	*/
82:	public function onBeforeFileViewEntry(&$aArguments, &$aResult)
83:	{
84:	$aEntries = [
85:	'download-file',
86:	'file-cache',
87:	'mail-attachment'
88:
89:	];
90:	if (in_array($aArguments['EntryName'], $aEntries)) {
91:	$sEntry = (string) \Aurora\System\Router::getItemByIndex(0, '');
92:	$sHash = (string) \Aurora\System\Router::getItemByIndex(1, '');
93:	$sAction = (string) \Aurora\System\Router::getItemByIndex(2, '');
94:
95:	$aValues = \Aurora\System\Api::DecodeKeyValues($sHash);
96:
97:	$sFileName = isset($aValues['FileName']) ? urldecode($aValues['FileName']) : '';
98:	if (empty($sFileName)) {
99:	$sFileName = isset($aValues['Name']) ? urldecode($aValues['Name']) : '';
100:	}
101:
102:	if ($this->isOfficeDocument($sFileName) && $sAction === 'view') {
103:	if (!isset($aValues['AuthToken'])) {
104:	$aValues['AuthToken'] = \Aurora\System\Api::UserSession()->Set(
105:	array(
106:	'token' => 'auth',
107:	'id' => \Aurora\System\Api::getAuthenticatedUserId()
108:	),
109:	time(),
110:	time() + 60 * 5 // 5 min
111:	);
112:
113:	$sHash = \Aurora\System\Api::EncodeKeyValues($aValues);
114:
115:	// 'https://view.officeapps.live.com/op/view.aspx?src=';
116:	// 'https://view.officeapps.live.com/op/embed.aspx?src=';
117:	// 'https://docs.google.com/viewer?embedded=true&url=';
118:
119:	$sViewerUrl = $this->getConfig('ViewerUrl');
120:	if (!empty($sViewerUrl)) {
121:	if (isset($_SERVER['HTTP_REFERER'])) {
122:	$sHost = $_SERVER['HTTP_REFERER'];
123:	} else {
124:	$sHost = $_SERVER['HTTP_HOST'];
125:	}
126:	\header('Location: ' . $sViewerUrl . urlencode($sHost . '?' . $sEntry .'/' . $sHash . '/' . $sAction . '/' . time()));
127:	}
128:	} else {
129:	$sAuthToken = isset($aValues['AuthToken']) ? $aValues['AuthToken'] : null;
130:	if (isset($sAuthToken)) {
131:	\Aurora\System\Api::setAuthToken($sAuthToken);
132:	\Aurora\System\Api::setUserId(
133:	\Aurora\System\Api::getAuthenticatedUserId($sAuthToken)
134:	);
135:	}
136:	}
137:	}
138:	}
139:	}
140:
141:	/**
142:	*
143:	* @param type $aArguments
144:	* @param type $aResult
145:	*/
146:	public function onGetFile(&$aArguments, &$aResult)
147:	{
148:	if ($this->isOfficeDocument($aArguments['Name'])) {
149:	$aArguments['NoRedirect'] = true;
150:	}
151:	}
152:	}
153:

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