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<?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 tool_xmldb
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* @copyright 2003 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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/**
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* This class will display one XML file
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*
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* @package tool_xmldb
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* @copyright 2003 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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class view_xml extends XMLDBAction {
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/**
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* Init method, every subclass will have its own
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*/
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function init() {
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parent::init();
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// Set own core attributes
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$this->can_subaction = ACTION_NONE;
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//$this->can_subaction = ACTION_HAVE_SUBACTIONS;
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// Set own custom attributes
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$this->sesskey_protected = false; // This action doesn't need sesskey protection
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// Get needed strings
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$this->loadStrings(array(
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// 'key' => 'module',
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));
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}
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/**
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* Invoke method, every class will have its own
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* returns true/false on completion, setting both
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* errormsg and output as necessary
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* @return mixed
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*/
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function invoke() {
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parent::invoke();
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$result = true;
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// Set own core attributes
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$this->does_generate = ACTION_GENERATE_XML;
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// These are always here
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global $CFG, $XMLDB;
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// Do the job, setting result as needed
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// Get the file parameter
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$file = required_param('file', PARAM_PATH);
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$fullpath = $CFG->dirroot . $file;
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// File param must start with / and end with /db/install.xml to be safe.
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if (substr($file, 0, 1) == '/' &&
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substr($file, -15, 15) == '/db/install.xml') {
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// Everything is ok. Load the file to memory
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$this->output = file_get_contents($fullpath);
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} else {
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// Switch to HTML and error
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$this->does_generate = ACTION_GENERATE_HTML;
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$this->errormsg = 'File not viewable (' . $file .')';
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$result = false;
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}
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// Return ok if arrived here
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return $result;
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}
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}
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