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79 lines
3 KiB
PHP
79 lines
3 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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* @package moodlecore
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* @subpackage backup-helper
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* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.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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require_once($CFG->dirroot.'/backup/util/xml/parser/processors/grouped_parser_processor.class.php');
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/**
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* helper implementation of grouped_parser_processor that will
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* support the process of all the moodle2 backup files, with
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* complete specs about what to load (grouped or no), dispatching
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* to corresponding methods and basic decoding of contents
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* (NULLs and legacy file.php uses)
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*
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* TODO: Complete phpdocs
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*/
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class restore_structure_parser_processor extends grouped_parser_processor {
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protected $courseid; // Course->id we are restoring to
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protected $step; // @restore_structure_step using this processor
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public function __construct($courseid, $step) {
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$this->courseid = $courseid;
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$this->step = $step;
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parent::__construct();
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}
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/**
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* Provide NULL and legacy file.php uses decoding
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*/
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public function process_cdata($cdata) {
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if (is_null($cdata)) { // Some cases we know we can skip complete processing
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return '$@NULL@$';
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} else if ($cdata === '') {
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return '';
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} else if (is_numeric($cdata)) {
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return $cdata;
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} else if (strlen($cdata) < 32) { // Impossible to have one link in 32cc
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return $cdata; // (http://10.0.0.1/file.php/1/1.jpg, http://10.0.0.1/mod/url/view.php?id=)
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} else if (strpos($cdata, '$@FILEPHP@$') === false) { // No $@FILEPHP@$, nothing to convert
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return $cdata;
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}
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// Decode file.php calls
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$search = array ("$@FILEPHP@$");
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$replace = array(get_file_url($this->courseid));
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$result = str_replace($search, $replace, $content);
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// Now $@SLASH@$ and $@FORCEDOWNLOAD@$ MDL-18799
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$search = array('$@SLASH@$', '$@FORCEDOWNLOAD@$');
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if ($CFG->slasharguments) {
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$replace = array('/', '?forcedownload=1');
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} else {
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$replace = array('%2F', '&forcedownload=1');
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}
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return str_replace($search, $replace, $result);
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}
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protected function dispatch_chunk($data) {
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$this->step->process($data);
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}
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}
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