Proyectos de Subversion Moodle

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<?php
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<?php
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// This file is part of Moodle - http://moodle.org/
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// This file is part of Moodle - http://moodle.org/
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//
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//
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// Moodle is free software: you can redistribute it and/or modify
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// the Free Software Foundation, either version 3 of the License, or
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//
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//
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// You should have received a copy of the GNU General Public License
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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/**
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 * Basic email protection filter.
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 * File only retained to prevent fatal errors in code that tries to require/include this.
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 *
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 *
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 * @todo MDL-82708 delete this file as part of Moodle 6.0 development.
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 * @package    filter
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 * @deprecated This file is no longer required in Moodle 4.5+.
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 * @subpackage emailprotect
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 * @package filter_emailprotect
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 * @copyright  2004 Mike Churchward
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 * @copyright Mike Churchward
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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 */
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defined('MOODLE_INTERNAL') || die();
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/**
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 * This class looks for email addresses in Moodle text and
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 * hides them using the Moodle obfuscate_text function.
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 */
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class filter_emailprotect extends moodle_text_filter {
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    function filter($text, array $options = array()) {
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    /// Do a quick check using stripos to avoid unnecessary work
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        if (strpos($text, '@') === false) {
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            return $text;
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        }
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    /// There might be an email in here somewhere so continue ...
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        $matches = array();
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    /// regular expression to define a standard email string.
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        $emailregex = '((?:[\w\.\-])+\@(?:(?:[a-zA-Z\d\-])+\.)+(?:[a-zA-Z\d]{2,4}))';
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    /// pattern to find a mailto link with the linked text.
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defined('MOODLE_INTERNAL') || die();
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        $pattern = '|(<a\s+href\s*=\s*[\'"]?mailto:)'.$emailregex.'([\'"]?\s*>)'.'(.*)'.'(</a>)|iU';
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        $text = preg_replace_callback($pattern, 'filter_emailprotect_alter_mailto', $text);
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    /// pattern to find any other email address in the text.
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        $pattern = '/(^|\s+|>)'.$emailregex.'($|\s+|\.\s+|\.$|<)/i';
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        $text = preg_replace_callback($pattern, 'filter_emailprotect_alter_email', $text);
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        return $text;
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    }
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}
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function filter_emailprotect_alter_email($matches) {
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    return $matches[1].obfuscate_text($matches[2]).$matches[3];
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}
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function filter_emailprotect_alter_mailto($matches) {
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    return obfuscate_mailto($matches[2], $matches[4]);
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}
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