File modules/OEmbedFiles/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\OEmbedFiles;
9:
10:	/**
11:	* This module extends functionality of Files module.
12:	* It provides ability to add shortcuts based on [oembed](http://oembed.com/) data format.
13:	*
14:	* @license https://www.gnu.org/licenses/agpl-3.0.html AGPL-3.0
15:	* @license https://afterlogic.com/products/common-licensing Afterlogic Software License
16:	* @copyright Copyright (c) 2023, Afterlogic Corp.
17:	*
18:	* @package Modules
19:	*/
20:	class Module extends \Aurora\System\Module\AbstractModule
21:	{
22:	protected $aProviders = array();
23:
24:	/*** private functions ***/
25:	/**
26:	* Initializes module.
27:	*
28:	* @ignore
29:	*/
30:	public function init()
31:	{
32:	$this->loadProviders();
33:
34:	$this->subscribeEvent('Files::GetLinkType', array($this, 'onGetLinkType'));
35:	$this->subscribeEvent('Files::CheckUrl', array($this, 'onCheckUrl'));
36:	$this->subscribeEvent('Files::PopulateFileItem::after', array($this, 'onAfterPopulateFileItem'));
37:	}
38:
39:	/**
40:	* Returns true if oembed file info for specified link was found.
41:	*
42:	* @ignore
43:	* @param string $Link File link.
44:	* @param boolean $Result Is passed by reference.
45:	* @return boolean
46:	*/
47:	public function onGetLinkType($Link, &$Result)
48:	{
49:	$Result = !!($this->getOembedFileInfo($Link));
50:	return $Result; // break or not executing of event handlers
51:	}
52:
53:	/**
54:	* Writes to $mResult variable information about link.
55:	*
56:	* @ignore
57:	* @param string $sUrl
58:	* @param array $mResult
59:	*/
60:	public function onCheckUrl($aArgs, &$mResult)
61:	{
62:	$iUserId = \Aurora\System\Api::getAuthenticatedUserId();
63:
64:	if ($iUserId) {
65:	if (!empty($aArgs['Url'])) {
66:	$oInfo = $this->getOembedFileInfo($aArgs['Url']);
67:	if ($oInfo) {
68:	$mResult['Size'] = isset($oInfo->fileSize) ? $oInfo->fileSize : '';
69:	$mResult['Name'] = isset($oInfo->title) ? $oInfo->title : '';
70:	$mResult['LinkType'] = 'oembeded';
71:	$mResult['Thumb'] = isset($oInfo->thumbnail_url) ? $oInfo->thumbnail_url : null;
72:	}
73:	}
74:	}
75:	}
76:
77:	/**
78:	* Populates file item.
79:	*
80:	* @ignore
81:	* @param \Aurora\Modules\Files\Classes\FileItem $oItem
82:	* @return boolean
83:	*/
84:	public function onAfterPopulateFileItem($aArgs, &$oItem)
85:	{
86:	$bBreak = false;
87:	if ($oItem->IsLink) {
88:	$Result = $this->getOembedFileInfo($oItem->LinkUrl);
89:
90:	if ($Result) {
91:	$oItem->LinkType = 'oembeded';
92:	// $oItem->Name = isset($Result->title) ? $Result->title : $oItem->Name;
93:	$oItem->Size = isset($Result->fileSize) ? $Result->fileSize : $oItem->Size;
94:	$oItem->OembedHtml = isset($Result->html) ? $Result->html : $oItem->OembedHtml;
95:	$oItem->Thumb = true;
96:	$oItem->ThumbnailUrl = $Result->thumbnailUrl;
97:	$oItem->IsExternal = true;
98:	}
99:	$bBreak = !!$Result;
100:	}
101:	return $bBreak; // break or not executing of event handlers
102:	}
103:
104:	/**
105:	* Returns Oembed information for file.
106:	*
107:	* @param string $sUrl
108:	* @return stdClass
109:	*/
110:	protected function getOembedFileInfo($sUrl)
111:	{
112:	$mResult = false;
113:	$sOembedUrl = '';
114:
115:	foreach ($this->aProviders as $aProvider) {
116:	if (\preg_match("/".$aProvider['patterns']."/", $sUrl)) {
117:	$sOembedUrl = $aProvider['url'].$sUrl;
118:	break;
119:	}
120:	}
121:
122:	if (false !== \strpos($sUrl, 'instagram.com')) {
123:	$sUrl = \str_replace('instagram.com', 'instagr.am', $sUrl);
124:	$sOembedUrl = 'https://api.instagram.com/oembed?url='.$sUrl;
125:	}
126:
127:	if (\strlen($sOembedUrl) > 0) {
128:	$oCurl = \curl_init();
129:	\curl_setopt_array($oCurl, array(
130:	CURLOPT_URL => $sOembedUrl,
131:	CURLOPT_HEADER => 0,
132:	CURLOPT_RETURNTRANSFER => true,
133:	CURLOPT_FOLLOWLOCATION => true,
134:	CURLOPT_ENCODING => '',
135:	CURLOPT_AUTOREFERER => true,
136:	CURLOPT_SSL_VERIFYPEER => false, //required for https urls
137:	CURLOPT_CONNECTTIMEOUT => 5,
138:	CURLOPT_TIMEOUT => 5,
139:	CURLOPT_MAXREDIRS => 5
140:	));
141:	$sResult = \curl_exec($oCurl);
142:	\curl_close($oCurl);
143:	$oResult = \json_decode($sResult);
144:
145:	if ($oResult) {
146:	$sSearch = $oResult->html;
147:	$aPatterns = array('/ width="\d+."/', '/ height="\d+."/', '/(src="[^\"]+)/');
148:	$aResults = array(' width="896"', ' height="504"', '$1?&autoplay=1&auto_play=true');
149:	$oResult->html =\preg_replace($aPatterns, $aResults, $sSearch);
150:
151:	$aRemoteFileInfo = \Aurora\System\Utils::GetRemoteFileInfo($sUrl);
152:	$oResult->fileSize = $aRemoteFileInfo['size'];
153:
154:	$oResult->thumbnailUrl = isset($oResult->thumbnail_url) ? $oResult->thumbnail_url : '';
155:	$mResult = $oResult;
156:	}
157:	}
158:
159:	return $mResult;
160:	}
161:
162:	/**
163:	* Loads providers from file.
164:	*/
165:	protected function loadProviders()
166:	{
167:	$sFile = __DIR__.DIRECTORY_SEPARATOR.'providers.json';
168:	if (\file_exists($sFile)) {
169:	$sJsonData = \file_get_contents($sFile);
170:	$aJsonData = \json_decode($sJsonData, true);
171:	foreach ($aJsonData as $aProvider) {
172:	$this->aProviders[$aProvider['title']] = array(
173:	'patterns' => $aProvider['url_re'],
174:	'url' => $aProvider['endpoint_url']
175:	);
176:	}
177:	}
178:	}
179:	/*** private functions ***/
180:	}
181:

Namespaces

Classes