source: moodle/trunk/fuentes/admin/tool/xmldb/index.php @ 136

Last change on this file since 136 was 136, checked in by mabarracus, 4 years ago

Ported code to xenial

File size: 4.6 KB
Line 
1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * This is the main script for the complete XMLDB interface. From here
19 * all the actions supported will be launched.
20 *
21 * @package    tool_xmldb
22 * @copyright  (C) 1999 onwards Martin Dougiamas http://dougiamas.com,
23 *             (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com
24 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 */
26
27require('../../../config.php');
28require_once($CFG->libdir.'/adminlib.php');
29require_once($CFG->libdir.'/ddllib.php');
30// Add required XMLDB action classes
31require_once('actions/XMLDBAction.class.php');
32require_once('actions/XMLDBCheckAction.class.php');
33
34
35admin_externalpage_setup('toolxmld');
36
37// Add other used libraries
38require_once($CFG->libdir . '/xmlize.php');
39
40// Handle session data
41global $XMLDB;
42
43// State is stored in session - we have to serialise it because the classes are not loaded when creating session
44if (!isset($SESSION->xmldb)) {
45    $XMLDB = new stdClass;
46} else {
47    $XMLDB = unserialize($SESSION->xmldb);
48}
49
50// Some previous checks
51$site = get_site();
52
53require_login();
54require_capability('moodle/site:config', context_system::instance());
55
56// Body of the script, based on action, we delegate the work
57$action = optional_param ('action', 'main_view', PARAM_ALPHAEXT);
58
59// Get the action path and invoke it
60$actionsroot = "$CFG->dirroot/$CFG->admin/tool/xmldb/actions";
61$actionclass = $action . '.class.php';
62$actionpath = "$actionsroot/$action/$actionclass";
63
64// Load and invoke the proper action
65if (file_exists($actionpath) && is_readable($actionpath)) {
66    require_once($actionpath);
67    if ($xmldb_action = new $action) {
68        // Invoke it
69        $result = $xmldb_action->invoke();
70        // store the result in session
71        $SESSION->xmldb = serialize($XMLDB);
72
73        if ($result) {
74            // Based on getDoesGenerate()
75            switch ($xmldb_action->getDoesGenerate()) {
76                case ACTION_GENERATE_HTML:
77
78                    $action = optional_param('action', '', PARAM_ALPHAEXT);
79                    $postaction = optional_param('postaction', '', PARAM_ALPHAEXT);
80                    // If the js exists, load it
81                    if ($action) {
82                        $script = $CFG->admin . '/tool/xmldb/actions/' . $action . '/' . $action . '.js';
83                        $file = $CFG->dirroot . '/' . $script;
84                        if (file_exists($file) && is_readable($file)) {
85                            $PAGE->requires->js('/'.$script);
86                        } else if ($postaction) {
87                            // Try to load the postaction javascript if exists
88                            $script = $CFG->admin . '/tool/xmldb/actions/' . $postaction . '/' . $postaction . '.js';
89                            $file = $CFG->dirroot . '/' . $script;
90                            if (file_exists($file) && is_readable($file)) {
91                                $PAGE->requires->js('/'.$script);
92                            }
93                        }
94                    }
95
96                    // Go with standard admin header
97                    echo $OUTPUT->header();
98                    echo $OUTPUT->heading($xmldb_action->getTitle());
99                    echo $xmldb_action->getOutput();
100                    echo $OUTPUT->footer();
101                    break;
102                case ACTION_GENERATE_XML:
103                    header('Content-type: application/xhtml+xml; charset=utf-8');
104                    echo $xmldb_action->getOutput();
105                    break;
106            }
107        } else {
108            // TODO: need more detailed error info
109            print_error('xmldberror');
110        }
111    } else {
112        $a = new stdClass();
113        $a->action = $action;
114        $a->actionclass = $actionclass;
115        print_error('cannotinstantiateclass', 'tool_xmldb', '', $a);
116    }
117} else {
118    print_error('invalidaction');
119}
120
121if ($xmldb_action->getDoesGenerate() != ACTION_GENERATE_XML) {
122    if (debugging()) {
123        // print_object($XMLDB);
124    }
125}
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