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103 lines
3.4 KiB
PHP
103 lines
3.4 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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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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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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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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/**
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* plagiarismlib.php - Contains core Plagiarism related functions.
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*
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* @since Moodle 2.0
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* @package core
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* @subpackage plagiarism
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* @copyright 2010 Dan Marsden http://danmarsden.com
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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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if (!defined('MOODLE_INTERNAL')) {
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die('Direct access to this script is forbidden.');
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}
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/**
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* displays the similarity score and provides a link to the full report if allowed.
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*
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* @param object $linkarray contains all relevant information for the plugin to generate a link
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* @return string - url to allow login/viewing of a similarity report
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*/
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function plagiarism_get_links($linkarray) {
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global $CFG;
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if (empty($CFG->enableplagiarism)) {
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return '';
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}
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$plagiarismplugins = plagiarism_load_available_plugins();
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$output = '';
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foreach ($plagiarismplugins as $plugin => $dir) {
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require_once($dir.'/lib.php');
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$plagiarismclass = "plagiarism_plugin_$plugin";
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$plagiarismplugin = new $plagiarismclass;
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$output .= $plagiarismplugin->get_links($linkarray);
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}
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if (!empty($output)) {
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return html_writer::span($output, 'core_plagiarism_links');
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}
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return '';
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}
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/**
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* Function that prints the student disclosure notifying that the files will be checked for plagiarism
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* @param integer $cmid - the cmid of this module
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* @return string
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*/
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function plagiarism_print_disclosure($cmid) {
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global $CFG;
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if (empty($CFG->enableplagiarism)) {
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return '';
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}
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$plagiarismplugins = plagiarism_load_available_plugins();
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$output = '';
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foreach ($plagiarismplugins as $plugin => $dir) {
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require_once($dir.'/lib.php');
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$plagiarismclass = "plagiarism_plugin_$plugin";
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$plagiarismplugin = new $plagiarismclass;
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$output .= $plagiarismplugin->print_disclosure($cmid);
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}
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return $output;
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}
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/**
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* Helper function - also loads lib file of plagiarism plugin
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*
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* @return array of available plugins
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*/
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function plagiarism_load_available_plugins() {
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global $CFG;
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if (empty($CFG->enableplagiarism)) {
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return array();
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}
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$plagiarismplugins = core_component::get_plugin_list('plagiarism');
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$availableplugins = array();
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foreach ($plagiarismplugins as $plugin => $dir) {
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// Check this plugin is enabled and a lib file exists.
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$pluginenabled = get_config('plagiarism_'.$plugin, 'enabled');
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if ($pluginenabled && file_exists($dir."/lib.php")) {
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require_once($dir.'/lib.php');
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$plagiarismclass = "plagiarism_plugin_$plugin";
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if (class_exists($plagiarismclass)) {
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$availableplugins[$plugin] = $dir;
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}
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}
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}
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return $availableplugins;
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}
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