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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package tool_xmldb
* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* This class will display one XML file
*
* @package tool_xmldb
* @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class view_xml extends XMLDBAction {
/**
* Init method, every subclass will have its own
*/
function init() {
parent::init();
// Set own core attributes
$this->can_subaction = ACTION_NONE;
//$this->can_subaction = ACTION_HAVE_SUBACTIONS;
// Set own custom attributes
$this->sesskey_protected = false; // This action doesn't need sesskey protection
// Get needed strings
$this->loadStrings(array(
// 'key' => 'module',
));
}
/**
* Invoke method, every class will have its own
* returns true/false on completion, setting both
* errormsg and output as necessary
* @return mixed
*/
function invoke() {
parent::invoke();
$result = true;
// Set own core attributes
$this->does_generate = ACTION_GENERATE_XML;
// These are always here
global $CFG, $XMLDB;
// Do the job, setting result as needed
// Get the file parameter
$file = required_param('file', PARAM_PATH);
$file = $CFG->dirroot . $file;
// File must be under $CFG->wwwroot and
// under one db directory (simple protection)
if (substr($file, 0, strlen($CFG->dirroot)) == $CFG->dirroot &&
substr(dirname($file), -2, 2) == 'db') {
// Everything is ok. Load the file to memory
$this->output = file_get_contents($file);
} else {
// Switch to HTML and error
$this->does_generate = ACTION_GENERATE_HTML;
$this->errormsg = 'File not viewable (' . $file .')';
$result = false;
}
// Return ok if arrived here
return $result;
}
}