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:	* @property Settings $oModuleSettings
16:	*
17:	* @package Modules
18:	*/
19:	class Module extends \Aurora\System\Module\AbstractModule
20:	{
21:	/**
22:	* Initializes module.
23:	*
24:	* @ignore
25:	*/
26:	public function init()
27:	{
28:	$this->subscribeEvent('System::RunEntry::before', array($this, 'onBeforeFileViewEntry'), 5);
29:	$this->subscribeEvent('Files::GetFile', array($this, 'onGetFile'), 10);
30:	}
31:
32:	/**
33:	* @return Module
34:	*/
35:	public static function getInstance()
36:	{
37:	return parent::getInstance();
38:	}
39:
40:	/**
41:	* @return Module
42:	*/
43:	public static function Decorator()
44:	{
45:	return parent::Decorator();
46:	}
47:
48:	/**
49:	* @return Settings
50:	*/
51:	public function getModuleSettings()
52:	{
53:	return $this->oModuleSettings;
54:	}
55:
56:	public function GetSettings()
57:	{
58:	\Aurora\System\Api::checkUserRoleIsAtLeast(\Aurora\System\Enums\UserRole::NormalUser);
59:
60:	return array(
61:	'ExtensionsToView' => $this->oModuleSettings->ExtensionsToView
62:	);
63:	}
64:
65:	/**
66:	* @param string $sFileName = ''
67:	* @return bool
68:	*/
69:	protected function isOfficeDocument($sFileName = '')
70:	{
71:	$sExtensions = implode('\|', $this->oModuleSettings->ExtensionsToView);
72:	return !!preg_match('/\.(' . $sExtensions . ')$/', strtolower(trim($sFileName)));
73:	}
74:
75:	/**
76:	*
77:	* @param array $aArguments
78:	* @param array $aResult
79:	*/
80:	public function onBeforeFileViewEntry(&$aArguments, &$aResult)
81:	{
82:	$aEntries = [
83:	'download-file',
84:	'file-cache',
85:	'mail-attachment'
86:
87:	];
88:	if (in_array($aArguments['EntryName'], $aEntries)) {
89:	$sEntry = (string) \Aurora\System\Router::getItemByIndex(0, '');
90:	$sHash = (string) \Aurora\System\Router::getItemByIndex(1, '');
91:	$sAction = (string) \Aurora\System\Router::getItemByIndex(2, '');
92:
93:	$aValues = \Aurora\System\Api::DecodeKeyValues($sHash);
94:
95:	$sFileName = isset($aValues['FileName']) ? urldecode($aValues['FileName']) : '';
96:	if (empty($sFileName)) {
97:	$sFileName = isset($aValues['Name']) ? urldecode($aValues['Name']) : '';
98:	}
99:
100:	if ($this->isOfficeDocument($sFileName) && $sAction === 'view') {
101:	if (!isset($aValues[\Aurora\System\Application::AUTH_TOKEN_KEY])) {
102:	$aValues[\Aurora\System\Application::AUTH_TOKEN_KEY] = \Aurora\System\Api::UserSession()->Set(
103:	array(
104:	'token' => 'auth',
105:	'id' => \Aurora\System\Api::getAuthenticatedUserId()
106:	),
107:	time(),
108:	time() + 60 * 5 // 5 min
109:	);
110:
111:	$sHash = \Aurora\System\Api::EncodeKeyValues($aValues);
112:
113:	// 'https://view.officeapps.live.com/op/view.aspx?src=';
114:	// 'https://view.officeapps.live.com/op/embed.aspx?src=';
115:	// 'https://docs.google.com/viewer?embedded=true&url=';
116:
117:	$sViewerUrl = $this->oModuleSettings->ViewerUrl;
118:	if (!empty($sViewerUrl)) {
119:	if (isset($_SERVER['HTTP_REFERER'])) {
120:	$sHost = $_SERVER['HTTP_REFERER'];
121:	} else {
122:	$sHost = $_SERVER['HTTP_HOST'];
123:	}
124:	\header('Location: ' . $sViewerUrl . urlencode($sHost . '?' . $sEntry . '/' . $sHash . '/' . $sAction . '/' . time()));
125:	}
126:	} else {
127:	$sAuthToken = $aValues[\Aurora\System\Application::AUTH_TOKEN_KEY] ?? null;
128:	if ($sAuthToken) {
129:	\Aurora\System\Api::setAuthToken($sAuthToken);
130:	\Aurora\System\Api::setUserId(
131:	\Aurora\System\Api::getAuthenticatedUserId($sAuthToken)
132:	);
133:	}
134:	}
135:	}
136:	}
137:	}
138:
139:	/**
140:	*
141:	* @param array $aArguments
142:	* @param array $aResult
143:	*/
144:	public function onGetFile(&$aArguments, &$aResult)
145:	{
146:	if ($this->isOfficeDocument($aArguments['Name'])) {
147:	$aArguments['NoRedirect'] = true;
148:	}
149:	}
150:	}
151:

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