File oops_lib/Xoops/Core/Text/Sanitizer/Extensions/Flash.php

  1: <?php
  2: /*
  3:  You may not change or alter any portion of this comment or credits
  4:  of supporting developers from this source code or any supporting source code
  5:  which is considered copyrighted (c) material of the original comment or credit authors.
  6: 
  7:  This program is distributed in the hope that it will be useful,
  8:  but WITHOUT ANY WARRANTY; without even the implied warranty of
  9:  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 10: */
 11: 
 12: namespace Xoops\Core\Text\Sanitizer\Extensions;
 13: 
 14: use Xoops\Core\Text\Sanitizer;
 15: use Xoops\Core\Text\Sanitizer\ExtensionAbstract;
 16: 
 17: /**
 18:  * Sanitizer extension for flash content
 19:  *
 20:  * @category  Sanitizer
 21:  * @package   Xoops\Core\Text
 22:  * @author    Taiwen Jiang <phppp@users.sourceforge.net>
 23:  * @copyright 2000-2015 XOOPS Project (http://xoops.org)
 24:  * @license   GNU GPL 2 (http://www.gnu.org/licenses/gpl-2.0.html)
 25:  * @link      http://xoops.org
 26:  */
 27: class Flash extends ExtensionAbstract
 28: {
 29:     /**
 30:      * @var array default configuration values
 31:      */
 32:     protected static $defaultConfiguration = [
 33:         'enabled' => true,
 34:         'detect_dimension' => '1',
 35:         'template' => '<object type="application/x-shockwave-flash" data="%1$s" width="%2$d" height="%3$d"></object>',
 36:         'fallback_width'  => "320",
 37:         'fallback_height' => "240",
 38:     ];
 39: 
 40:     /**
 41:      * Provide button and javascript code used by the DhtmlTextArea
 42:      *
 43:      * @param string $textAreaId dom element id
 44:      *
 45:      * @return string[] editor button as HTML, supporting javascript
 46:      */
 47:     public function getDhtmlEditorSupport($textAreaId)
 48:     {
 49:         $buttonCode = $this->getEditorButtonHtml(
 50:             $textAreaId,
 51:             'swf.gif',
 52:             \XoopsLocale::FLASH,
 53:             'xoopsCodeFlash',
 54:             \XoopsLocale::FLASH_URL,
 55:             \XoopsLocale::HEIGHT,
 56:             \XoopsLocale::WIDTH,
 57:             $this->config['detect_dimension']
 58:         );
 59: 
 60:         $javascript = <<<EOF
 61: 
 62:             function xoopsCodeFlash(id, enterFlashPhrase, enterFlashHeightPhrase, enterFlashWidthPhrase, enableDimensionDetect)
 63:             {
 64:                 enableDimensionDetect = Boolean(parseInt(enableDimensionDetect));
 65:                 var selection = xoopsGetSelect(id);
 66:                 if (selection.length > 0) {
 67:                     var text = selection;
 68:                 } else {
 69:                     var text = prompt(enterFlashPhrase, "");
 70:                 }
 71:                 var domobj = xoopsGetElementById(id);
 72:                 if ( text.length > 0 ) {
 73:                     var text2 = enableDimensionDetect ? "" : prompt(enterFlashWidthPhrase, "");
 74:                     var text3 = enableDimensionDetect ? "" : prompt(enterFlashHeightPhrase, "");
 75:                     if (text2.length == 0 && text2.length == 0) {
 76:                         var result = '[flash url="'+text+'" /]';
 77:                     } else {
 78:                         var result = '[flash url="'+text+'" width='+text2+' height='+text3+' /]';
 79:                     }
 80:                     xoopsInsertText(domobj, result);
 81:                 }
 82:                 domobj.focus();
 83:             }
 84: 
 85: EOF;
 86: 
 87:         return [$buttonCode, $javascript];
 88:     }
 89: 
 90:     /**
 91:      * Register extension with the supplied sanitizer instance
 92:      *
 93:      * @return void
 94:      */
 95:     public function registerExtensionProcessing()
 96:     {
 97:         $function = function ($attributes, $content, $tagName) {
 98:             if (array_key_exists(0, $attributes) && '=' === substr($attributes[0], 0, 1)) {
 99:                 $args = ltrim($attributes[0], '=');
100:                 list($width, $height) = explode(',', $args);
101:                 $url = $content;
102:             } else {
103:                 $defaults = [
104:                     'url'    => trim($content),
105:                     'width'  => null,
106:                     'height' => null,
107:                 ];
108:                 $cleanAttributes = $this->shortcodes->shortcodeAttributes($defaults, $attributes);
109:                 $url = $cleanAttributes['url'];
110:                 $width = $cleanAttributes['width'];
111:                 $height = $cleanAttributes['height'];
112:             }
113:             if ((empty($width) || empty($height)) && (bool)$this->config['detect_dimension']) {
114:                 $dimension = @getimagesize($content);
115:                 if ($dimension !== false) {
116:                     list($width, $height) = $dimension;
117:                 }
118:             }
119:             if (empty($width) || empty($height)) {
120:                 $width = $this->config['fallback_width'];
121:                 $height = $this->config['fallback_height'];
122:             }
123: 
124:             $template = $this->config['template'];
125:             $newcontent = sprintf($template, $url, $width, $height);
126:             return $newcontent;
127:         };
128: 
129:         $this->shortcodes->addShortcode('flash', $function);
130:         $this->shortcodes->addShortcode('swf', $function);
131:     }
132: }
133:
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