fixed $zthis typo in postgres7 driver, Eloy is reporting it upstream
[moodle.git] / admin / xmldb / actions / view_xml / view_xml.class.php
CommitLineData
8c15ae99 1<?php // $Id$
2
3///////////////////////////////////////////////////////////////////////////
4// //
5// NOTICE OF COPYRIGHT //
6// //
7// Moodle - Modular Object-Oriented Dynamic Learning Environment //
8// http://moodle.com //
9// //
10// Copyright (C) 2001-3001 Martin Dougiamas http://dougiamas.com //
11// (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com //
12// //
13// This program is free software; you can redistribute it and/or modify //
14// it under the terms of the GNU General Public License as published by //
15// the Free Software Foundation; either version 2 of the License, or //
16// (at your option) any later version. //
17// //
18// This program is distributed in the hope that it will be useful, //
19// but WITHOUT ANY WARRANTY; without even the implied warranty of //
20// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
21// GNU General Public License for more details: //
22// //
23// http://www.gnu.org/copyleft/gpl.html //
24// //
25///////////////////////////////////////////////////////////////////////////
26
27/// This class will display one XML file
28
29class view_xml extends XMLDBAction {
30
31 /**
32 * Init method, every subclass will have its own
33 */
34 function init() {
35 parent::init();
36 /// Set own core attributes
37 $this->can_subaction = ACTION_NONE;
38 //$this->can_subaction = ACTION_HAVE_SUBACTIONS;
39
40 /// Set own custom attributes
41
42 /// Get needed strings
43 $this->loadStrings(array(
44 /// 'key' => 'module',
45 ));
46 }
47
48 /**
49 * Invoke method, every class will have its own
50 * returns true/false on completion, setting both
51 * errormsg and output as necessary
52 */
53 function invoke() {
54 parent::invoke();
55
56 $result = true;
57
58 /// Set own core attributes
59 $this->does_generate = ACTION_GENERATE_XML;
60
61 /// These are always here
62 global $CFG, $XMLDB;
63
64 /// Do the job, setting result as needed
65
66 /// Get the file parameter
67 $file = required_param('file', PARAM_CLEAN);
68 $file = stripslashes_safe($file);
69 /// File must be under $CFG->wwwroot and
70 /// under one db directory (simple protection)
71 if (substr($file, 0, strlen($CFG->dirroot)) == $CFG->dirroot &&
72 substr(dirname($file), -2, 2) == 'db') {
73 /// Everything is ok. Load the file to memory
74 $this->output = file_get_contents($file);
75 } else {
76 /// Switch to HTML and error
77 $this->does_generate = ACTION_GENERATE_HTML;
78 $this->errormsg = 'File not viewable (' . $file .')';
79 $result = false;
80 }
81
82 /// Return ok if arrived here
83 return $result;
84 }
85}
86?>