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Long Term Support Release
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 * @package tool_xmldb 19 * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} 20 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 21 */ 22 23 /** 24 * This class will display one XML file 25 * 26 * @package tool_xmldb 27 * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} 28 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 29 */ 30 class view_xml extends XMLDBAction { 31 32 /** 33 * Init method, every subclass will have its own 34 */ 35 function init() { 36 parent::init(); 37 // Set own core attributes 38 $this->can_subaction = ACTION_NONE; 39 //$this->can_subaction = ACTION_HAVE_SUBACTIONS; 40 41 // Set own custom attributes 42 $this->sesskey_protected = false; // This action doesn't need sesskey protection 43 44 // Get needed strings 45 $this->loadStrings(array( 46 // 'key' => 'module', 47 )); 48 } 49 50 /** 51 * Invoke method, every class will have its own 52 * returns true/false on completion, setting both 53 * errormsg and output as necessary 54 * @return mixed 55 */ 56 function invoke() { 57 parent::invoke(); 58 59 $result = true; 60 61 // Set own core attributes 62 $this->does_generate = ACTION_GENERATE_XML; 63 64 // These are always here 65 global $CFG, $XMLDB; 66 67 // Do the job, setting result as needed 68 69 // Get the file parameter 70 $file = required_param('file', PARAM_PATH); 71 72 $fullpath = $CFG->dirroot . $file; 73 // File param must start with / and end with /db/install.xml to be safe. 74 if (substr($file, 0, 1) == '/' && 75 substr($file, -15, 15) == '/db/install.xml') { 76 // Everything is ok. Load the file to memory 77 $this->output = file_get_contents($fullpath); 78 } else { 79 // Switch to HTML and error 80 $this->does_generate = ACTION_GENERATE_HTML; 81 $this->errormsg = 'File not viewable (' . $file .')'; 82 $result = false; 83 } 84 85 // Return ok if arrived here 86 return $result; 87 } 88 } 89
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