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729 lines
40 KiB
729 lines
40 KiB
2 years ago
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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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* Class to manage the custom filetypes list that is stored in a config variable.
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*
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* @package core
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* @copyright 2014 The Open University
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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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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->libdir . '/filelib.php');
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/**
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* Class to manage the custom filetypes list that is stored in a config variable.
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*
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* @copyright 2014 The Open University
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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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abstract class core_filetypes {
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/** @var array Cached MIME types for current request */
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protected static $cachedtypes;
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/**
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* Gets default MIME types that are included as standard.
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*
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* Note: Use the function get_mimetypes_array to access this data including
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* any customisations the user might have made.
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*
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* @return array Default (pre-installed) MIME type information
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*/
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protected static function get_default_types() {
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return array(
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'xxx' => array('type' => 'document/unknown', 'icon' => 'unknown'),
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'3gp' => array('type' => 'video/quicktime', 'icon' => 'quicktime', 'groups' => array('video'), 'string' => 'video'),
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'7z' => array('type' => 'application/x-7z-compressed', 'icon' => 'archive',
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'groups' => array('archive'), 'string' => 'archive'),
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'aac' => array('type' => 'audio/aac', 'icon' => 'audio', 'groups' => array('audio', 'html_audio', 'web_audio'),
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'string' => 'audio'),
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'accdb' => array('type' => 'application/msaccess', 'icon' => 'base'),
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'ai' => array('type' => 'application/postscript', 'icon' => 'eps', 'groups' => array('image'), 'string' => 'image'),
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'aif' => array('type' => 'audio/x-aiff', 'icon' => 'audio', 'groups' => array('audio'), 'string' => 'audio'),
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'aiff' => array('type' => 'audio/x-aiff', 'icon' => 'audio', 'groups' => array('audio'), 'string' => 'audio'),
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'aifc' => array('type' => 'audio/x-aiff', 'icon' => 'audio', 'groups' => array('audio'), 'string' => 'audio'),
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'applescript' => array('type' => 'text/plain', 'icon' => 'text'),
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'asc' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'asm' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'au' => array('type' => 'audio/au', 'icon' => 'audio', 'groups' => array('audio'), 'string' => 'audio'),
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'avi' => array('type' => 'video/x-ms-wm', 'icon' => 'avi',
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'groups' => array('video', 'web_video'), 'string' => 'video'),
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'bmp' => array('type' => 'image/bmp', 'icon' => 'bmp', 'groups' => array('image'), 'string' => 'image'),
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'c' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'cct' => array('type' => 'shockwave/director', 'icon' => 'flash'),
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'cpp' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'cs' => array('type' => 'application/x-csh', 'icon' => 'sourcecode'),
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'css' => array('type' => 'text/css', 'icon' => 'text', 'groups' => array('web_file')),
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'csv' => array('type' => 'text/csv', 'icon' => 'spreadsheet', 'groups' => array('spreadsheet')),
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'dv' => array('type' => 'video/x-dv', 'icon' => 'quicktime', 'groups' => array('video'), 'string' => 'video'),
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'dmg' => array('type' => 'application/octet-stream', 'icon' => 'unknown'),
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'doc' => array('type' => 'application/msword', 'icon' => 'document', 'groups' => array('document')),
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'bdoc' => array('type' => 'application/x-digidoc', 'icon' => 'document', 'groups' => array('archive')),
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'cdoc' => array('type' => 'application/x-digidoc', 'icon' => 'document', 'groups' => array('archive')),
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'ddoc' => array('type' => 'application/x-digidoc', 'icon' => 'document', 'groups' => array('archive')),
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'docx' => array('type' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'icon' => 'document', 'groups' => array('document')),
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'docm' => array('type' => 'application/vnd.ms-word.document.macroEnabled.12', 'icon' => 'document'),
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'dotx' => array('type' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
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'icon' => 'document'),
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'dotm' => array('type' => 'application/vnd.ms-word.template.macroEnabled.12', 'icon' => 'document'),
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'dcr' => array('type' => 'application/x-director', 'icon' => 'flash'),
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'dif' => array('type' => 'video/x-dv', 'icon' => 'quicktime', 'groups' => array('video'), 'string' => 'video'),
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'dir' => array('type' => 'application/x-director', 'icon' => 'flash'),
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'dxr' => array('type' => 'application/x-director', 'icon' => 'flash'),
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'eps' => array('type' => 'application/postscript', 'icon' => 'eps'),
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'epub' => array('type' => 'application/epub+zip', 'icon' => 'epub', 'groups' => array('document')),
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'fdf' => array('type' => 'application/vnd.fdf', 'icon' => 'pdf'),
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'flac' => array('type' => 'audio/flac', 'icon' => 'audio', 'groups' => array('audio', 'html_audio', 'web_audio'),
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'string' => 'audio'),
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'flv' => array('type' => 'video/x-flv', 'icon' => 'flash',
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'groups' => array('video', 'web_video'), 'string' => 'video'),
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'f4v' => array('type' => 'video/mp4', 'icon' => 'flash', 'groups' => array('video', 'web_video'), 'string' => 'video'),
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'gallery' => array('type' => 'application/x-smarttech-notebook', 'icon' => 'archive'),
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'galleryitem' => array('type' => 'application/x-smarttech-notebook', 'icon' => 'archive'),
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'gallerycollection' => array('type' => 'application/x-smarttech-notebook', 'icon' => 'archive'),
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'gdraw' => array('type' => 'application/vnd.google-apps.drawing', 'icon' => 'image', 'groups' => array('image')),
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'gdoc' => array('type' => 'application/vnd.google-apps.document', 'icon' => 'document', 'groups' => array('document')),
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'gsheet' => array('type' => 'application/vnd.google-apps.spreadsheet', 'icon' => 'spreadsheet',
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'groups' => array('spreadsheet')),
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'gslides' => array('type' => 'application/vnd.google-apps.presentation', 'icon' => 'powerpoint',
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'groups' => array('presentation')),
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'gif' => array('type' => 'image/gif', 'icon' => 'gif', 'groups' => array('image', 'web_image'), 'string' => 'image'),
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'gtar' => array('type' => 'application/x-gtar', 'icon' => 'archive',
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'groups' => array('archive'), 'string' => 'archive'),
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'tgz' => array('type' => 'application/g-zip', 'icon' => 'archive', 'groups' => array('archive'), 'string' => 'archive'),
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'gz' => array('type' => 'application/g-zip', 'icon' => 'archive', 'groups' => array('archive'), 'string' => 'archive'),
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'gzip' => array('type' => 'application/g-zip', 'icon' => 'archive',
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'groups' => array('archive'), 'string' => 'archive'),
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'h' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'hpp' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'hqx' => array('type' => 'application/mac-binhex40', 'icon' => 'archive',
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'groups' => array('archive'), 'string' => 'archive'),
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'htc' => array('type' => 'text/x-component', 'icon' => 'markup'),
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'html' => array('type' => 'text/html', 'icon' => 'html', 'groups' => array('web_file')),
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'xhtml' => array('type' => 'application/xhtml+xml', 'icon' => 'html', 'groups' => array('web_file')),
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'htm' => array('type' => 'text/html', 'icon' => 'html', 'groups' => array('web_file')),
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'ico' => array('type' => 'image/vnd.microsoft.icon', 'icon' => 'image',
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'groups' => array('image'), 'string' => 'image'),
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'ics' => array('type' => 'text/calendar', 'icon' => 'text'),
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'isf' => array('type' => 'application/inspiration', 'icon' => 'isf'),
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'ist' => array('type' => 'application/inspiration.template', 'icon' => 'isf'),
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'java' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'jar' => array('type' => 'application/java-archive', 'icon' => 'archive'),
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'jcb' => array('type' => 'text/xml', 'icon' => 'markup'),
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'jcl' => array('type' => 'text/xml', 'icon' => 'markup'),
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'jcw' => array('type' => 'text/xml', 'icon' => 'markup'),
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'jmt' => array('type' => 'text/xml', 'icon' => 'markup'),
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'jmx' => array('type' => 'text/xml', 'icon' => 'markup'),
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'jnlp' => array('type' => 'application/x-java-jnlp-file', 'icon' => 'markup'),
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'jpe' => array('type' => 'image/jpeg', 'icon' => 'jpeg', 'groups' => array('image', 'web_image'), 'string' => 'image'),
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'jpeg' => array('type' => 'image/jpeg', 'icon' => 'jpeg', 'groups' => array('image', 'web_image'), 'string' => 'image'),
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'jpg' => array('type' => 'image/jpeg', 'icon' => 'jpeg', 'groups' => array('image', 'web_image'), 'string' => 'image'),
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'jqz' => array('type' => 'text/xml', 'icon' => 'markup'),
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'js' => array('type' => 'application/x-javascript', 'icon' => 'text', 'groups' => array('web_file')),
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'json' => array('type' => 'application/json', 'icon' => 'text'),
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'latex' => array('type' => 'application/x-latex', 'icon' => 'text'),
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'm' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'mbz' => array('type' => 'application/vnd.moodle.backup', 'icon' => 'moodle'),
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'mdb' => array('type' => 'application/x-msaccess', 'icon' => 'base'),
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'mht' => array('type' => 'message/rfc822', 'icon' => 'archive'),
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'mhtml' => array('type' => 'message/rfc822', 'icon' => 'archive'),
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'mov' => array('type' => 'video/quicktime', 'icon' => 'quicktime',
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'groups' => array('video', 'web_video', 'html_video'), 'string' => 'video'),
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'movie' => array('type' => 'video/x-sgi-movie', 'icon' => 'quicktime', 'groups' => array('video'), 'string' => 'video'),
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'mw' => array('type' => 'application/maple', 'icon' => 'math'),
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'mws' => array('type' => 'application/maple', 'icon' => 'math'),
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'm3u' => array('type' => 'audio/x-mpegurl', 'icon' => 'mp3', 'groups' => array('audio'), 'string' => 'audio'),
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'mp3' => array('type' => 'audio/mp3', 'icon' => 'mp3', 'groups' => array('audio', 'html_audio', 'web_audio'),
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'string' => 'audio'),
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'mp4' => array('type' => 'video/mp4', 'icon' => 'mpeg', 'groups' => array('html_video', 'video', 'web_video'),
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'string' => 'video'),
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'm4v' => array('type' => 'video/mp4', 'icon' => 'mpeg', 'groups' => array('html_video', 'video', 'web_video'),
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'string' => 'video'),
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'm4a' => array('type' => 'audio/mp4', 'icon' => 'mp3', 'groups' => array('audio', 'html_audio', 'web_audio'),
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'string' => 'audio'),
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'mpeg' => array('type' => 'video/mpeg', 'icon' => 'mpeg', 'groups' => array('video', 'web_video'),
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'string' => 'video'),
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'mpe' => array('type' => 'video/mpeg', 'icon' => 'mpeg', 'groups' => array('video', 'web_video'),
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'string' => 'video'),
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'mpg' => array('type' => 'video/mpeg', 'icon' => 'mpeg', 'groups' => array('video', 'web_video'),
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'string' => 'video'),
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'mpr' => array('type' => 'application/vnd.moodle.profiling', 'icon' => 'moodle'),
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'nbk' => array('type' => 'application/x-smarttech-notebook', 'icon' => 'archive'),
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'notebook' => array('type' => 'application/x-smarttech-notebook', 'icon' => 'archive'),
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'odt' => array('type' => 'application/vnd.oasis.opendocument.text', 'icon' => 'writer', 'groups' => array('document')),
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'ott' => array('type' => 'application/vnd.oasis.opendocument.text-template',
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'icon' => 'writer', 'groups' => array('document')),
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'oth' => array('type' => 'application/vnd.oasis.opendocument.text-web', 'icon' => 'oth', 'groups' => array('document')),
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'odm' => array('type' => 'application/vnd.oasis.opendocument.text-master', 'icon' => 'writer'),
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'odg' => array('type' => 'application/vnd.oasis.opendocument.graphics', 'icon' => 'draw'),
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'otg' => array('type' => 'application/vnd.oasis.opendocument.graphics-template', 'icon' => 'draw'),
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'odp' => array('type' => 'application/vnd.oasis.opendocument.presentation', 'icon' => 'impress',
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'groups' => array('presentation')),
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'otp' => array('type' => 'application/vnd.oasis.opendocument.presentation-template', 'icon' => 'impress',
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'groups' => array('presentation')),
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'ods' => array('type' => 'application/vnd.oasis.opendocument.spreadsheet',
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'icon' => 'calc', 'groups' => array('spreadsheet')),
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'ots' => array('type' => 'application/vnd.oasis.opendocument.spreadsheet-template',
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'icon' => 'calc', 'groups' => array('spreadsheet')),
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'odc' => array('type' => 'application/vnd.oasis.opendocument.chart', 'icon' => 'chart'),
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'odf' => array('type' => 'application/vnd.oasis.opendocument.formula', 'icon' => 'math'),
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'odb' => array('type' => 'application/vnd.oasis.opendocument.database', 'icon' => 'base'),
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'odi' => array('type' => 'application/vnd.oasis.opendocument.image', 'icon' => 'draw'),
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'oga' => array('type' => 'audio/ogg', 'icon' => 'audio', 'groups' => array('audio', 'html_audio', 'web_audio'),
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'string' => 'audio'),
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'ogg' => array('type' => 'audio/ogg', 'icon' => 'audio', 'groups' => array('audio', 'html_audio', 'web_audio'),
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'string' => 'audio'),
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'ogv' => array('type' => 'video/ogg', 'icon' => 'video', 'groups' => array('html_video', 'video', 'web_video'),
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'string' => 'video'),
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'pct' => array('type' => 'image/pict', 'icon' => 'image', 'groups' => array('image'), 'string' => 'image'),
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'pdf' => array('type' => 'application/pdf', 'icon' => 'pdf', 'groups' => array('document')),
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'php' => array('type' => 'text/plain', 'icon' => 'sourcecode'),
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'pic' => array('type' => 'image/pict', 'icon' => 'image', 'groups' => array('image'), 'string' => 'image'),
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'pict' => array('type' => 'image/pict', 'icon' => 'image', 'groups' => array('image'), 'string' => 'image'),
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'png' => array('type' => 'image/png', 'icon' => 'png', 'groups' => array('image', 'web_image'), 'string' => 'image'),
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'pps' => array('type' => 'application/vnd.ms-powerpoint', 'icon' => 'powerpoint', 'groups' => array('presentation')),
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'ppt' => array('type' => 'application/vnd.ms-powerpoint', 'icon' => 'powerpoint', 'groups' => array('presentation')),
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'pptx' => array('type' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
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'icon' => 'powerpoint', 'groups' => array('presentation')),
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'pptm' => array('type' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12', 'icon' => 'powerpoint',
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'groups' => array('presentation')),
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'potx' => array('type' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
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'icon' => 'powerpoint', 'groups' => array('presentation')),
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'potm' => array('type' => 'application/vnd.ms-powerpoint.template.macroEnabled.12', 'icon' => 'powerpoint',
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'groups' => array('presentation')),
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'ppam' => array('type' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12', 'icon' => 'powerpoint',
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'groups' => array('presentation')),
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'ppsx' => array('type' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
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'icon' => 'powerpoint', 'groups' => array('presentation')),
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'ppsm' => array('type' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12', 'icon' => 'powerpoint',
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'groups' => array('presentation')),
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'ps' => array('type' => 'application/postscript', 'icon' => 'pdf'),
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'pub' => array('type' => 'application/x-mspublisher', 'icon' => 'publisher', 'groups' => array('presentation')),
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'qt' => array('type' => 'video/quicktime', 'icon' => 'quicktime',
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'groups' => array('video', 'web_video'), 'string' => 'video'),
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|
|
'ra' => array('type' => 'audio/x-realaudio-plugin', 'icon' => 'audio',
|
||
|
|
'groups' => array('audio', 'web_audio'), 'string' => 'audio'),
|
||
|
|
'ram' => array('type' => 'audio/x-pn-realaudio-plugin', 'icon' => 'audio',
|
||
|
|
'groups' => array('audio'), 'string' => 'audio'),
|
||
|
|
'rar' => array('type' => 'application/x-rar-compressed', 'icon' => 'archive',
|
||
|
|
'groups' => array('archive'), 'string' => 'archive'),
|
||
|
|
'rhb' => array('type' => 'text/xml', 'icon' => 'markup'),
|
||
|
|
'rm' => array('type' => 'audio/x-pn-realaudio-plugin', 'icon' => 'audio',
|
||
|
|
'groups' => array('audio'), 'string' => 'audio'),
|
||
|
|
'rmvb' => array('type' => 'application/vnd.rn-realmedia-vbr', 'icon' => 'video',
|
||
|
|
'groups' => array('video'), 'string' => 'video'),
|
||
|
|
'rtf' => array('type' => 'text/rtf', 'icon' => 'text', 'groups' => array('document')),
|
||
|
|
'rtx' => array('type' => 'text/richtext', 'icon' => 'text'),
|
||
|
|
'rv' => array('type' => 'audio/x-pn-realaudio-plugin', 'icon' => 'audio',
|
||
|
|
'groups' => array('video'), 'string' => 'video'),
|
||
|
|
'scss' => array('type' => 'text/x-scss', 'icon' => 'text', 'groups' => array('web_file')),
|
||
|
|
'sh' => array('type' => 'application/x-sh', 'icon' => 'sourcecode'),
|
||
|
|
'sit' => array('type' => 'application/x-stuffit', 'icon' => 'archive',
|
||
|
|
'groups' => array('archive'), 'string' => 'archive'),
|
||
|
|
'smi' => array('type' => 'application/smil', 'icon' => 'text'),
|
||
|
|
'smil' => array('type' => 'application/smil', 'icon' => 'text'),
|
||
|
|
'sqt' => array('type' => 'text/xml', 'icon' => 'markup'),
|
||
|
|
'svg' => array('type' => 'image/svg+xml', 'icon' => 'image',
|
||
|
|
'groups' => array('image', 'web_image'), 'string' => 'image'),
|
||
|
|
'svgz' => array('type' => 'image/svg+xml', 'icon' => 'image',
|
||
|
|
'groups' => array('image', 'web_image'), 'string' => 'image'),
|
||
|
|
'swa' => array('type' => 'application/x-director', 'icon' => 'flash'),
|
||
|
|
'swf' => array('type' => 'application/x-shockwave-flash', 'icon' => 'flash', 'groups' => array('video', 'web_video')),
|
||
|
|
'swfl' => array('type' => 'application/x-shockwave-flash', 'icon' => 'flash', 'groups' => array('video', 'web_video')),
|
||
|
|
|
||
|
|
'sxw' => array('type' => 'application/vnd.sun.xml.writer', 'icon' => 'writer'),
|
||
|
|
'stw' => array('type' => 'application/vnd.sun.xml.writer.template', 'icon' => 'writer'),
|
||
|
|
'sxc' => array('type' => 'application/vnd.sun.xml.calc', 'icon' => 'calc'),
|
||
|
|
'stc' => array('type' => 'application/vnd.sun.xml.calc.template', 'icon' => 'calc'),
|
||
|
|
'sxd' => array('type' => 'application/vnd.sun.xml.draw', 'icon' => 'draw'),
|
||
|
|
'std' => array('type' => 'application/vnd.sun.xml.draw.template', 'icon' => 'draw'),
|
||
|
|
'sxi' => array('type' => 'application/vnd.sun.xml.impress', 'icon' => 'impress', 'groups' => array('presentation')),
|
||
|
|
'sti' => array('type' => 'application/vnd.sun.xml.impress.template', 'icon' => 'impress',
|
||
|
|
'groups' => array('presentation')),
|
||
|
|
'sxg' => array('type' => 'application/vnd.sun.xml.writer.global', 'icon' => 'writer'),
|
||
|
|
'sxm' => array('type' => 'application/vnd.sun.xml.math', 'icon' => 'math'),
|
||
|
|
|
||
|
|
'tar' => array('type' => 'application/x-tar', 'icon' => 'archive', 'groups' => array('archive'), 'string' => 'archive'),
|
||
|
|
'tif' => array('type' => 'image/tiff', 'icon' => 'tiff', 'groups' => array('image'), 'string' => 'image'),
|
||
|
|
'tiff' => array('type' => 'image/tiff', 'icon' => 'tiff', 'groups' => array('image'), 'string' => 'image'),
|
||
|
|
'tex' => array('type' => 'application/x-tex', 'icon' => 'text'),
|
||
|
|
'texi' => array('type' => 'application/x-texinfo', 'icon' => 'text'),
|
||
|
|
'texinfo' => array('type' => 'application/x-texinfo', 'icon' => 'text'),
|
||
|
|
'tsv' => array('type' => 'text/tab-separated-values', 'icon' => 'text'),
|
||
|
|
'txt' => array('type' => 'text/plain', 'icon' => 'text', 'defaulticon' => true),
|
||
|
|
'vtt' => array('type' => 'text/vtt', 'icon' => 'text', 'groups' => array('html_track')),
|
||
|
|
'wav' => array('type' => 'audio/wav', 'icon' => 'wav', 'groups' => array('audio', 'html_audio', 'web_audio'),
|
||
|
|
'string' => 'audio'),
|
||
|
|
'webm' => array('type' => 'video/webm', 'icon' => 'video', 'groups' => array('html_video', 'video', 'web_video'),
|
||
|
|
'string' => 'video'),
|
||
|
|
'wmv' => array('type' => 'video/x-ms-wmv', 'icon' => 'wmv', 'groups' => array('video'), 'string' => 'video'),
|
||
|
|
'asf' => array('type' => 'video/x-ms-asf', 'icon' => 'wmv', 'groups' => array('video'), 'string' => 'video'),
|
||
|
|
'wma' => array('type' => 'audio/x-ms-wma', 'icon' => 'audio', 'groups' => array('audio'), 'string' => 'audio'),
|
||
|
|
|
||
|
|
'xbk' => array('type' => 'application/x-smarttech-notebook', 'icon' => 'archive'),
|
||
|
|
'xdp' => array('type' => 'application/vnd.adobe.xdp+xml', 'icon' => 'pdf'),
|
||
|
|
'xfd' => array('type' => 'application/vnd.xfdl', 'icon' => 'pdf'),
|
||
|
|
'xfdf' => array('type' => 'application/vnd.adobe.xfdf', 'icon' => 'pdf'),
|
||
|
|
|
||
|
|
'xls' => array('type' => 'application/vnd.ms-excel', 'icon' => 'spreadsheet', 'groups' => array('spreadsheet')),
|
||
|
|
'xlsx' => array('type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'icon' => 'spreadsheet',
|
||
|
|
'groups' => array('spreadsheet')),
|
||
|
|
'xlsm' => array('type' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
|
||
|
|
'icon' => 'spreadsheet', 'groups' => array('spreadsheet')),
|
||
|
|
'xltx' => array('type' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
|
||
|
|
'icon' => 'spreadsheet'),
|
||
|
|
'xltm' => array('type' => 'application/vnd.ms-excel.template.macroEnabled.12', 'icon' => 'spreadsheet'),
|
||
|
|
'xlsb' => array('type' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', 'icon' => 'spreadsheet'),
|
||
|
|
'xlam' => array('type' => 'application/vnd.ms-excel.addin.macroEnabled.12', 'icon' => 'spreadsheet'),
|
||
|
|
|
||
|
|
'xml' => array('type' => 'application/xml', 'icon' => 'markup'),
|
||
|
|
'xsl' => array('type' => 'text/xml', 'icon' => 'markup'),
|
||
|
|
|
||
|
|
'zip' => array('type' => 'application/zip', 'icon' => 'archive', 'groups' => array('archive'), 'string' => 'archive')
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Given a mimetype - return a valid file extension for it.
|
||
|
|
*
|
||
|
|
* @param $mimetype string
|
||
|
|
* @return string|bool False if the mimetype was not known, a string indicating a valid file extension otherwise. It may not
|
||
|
|
* be the only valid file extension - just the first one found.
|
||
|
|
*/
|
||
|
|
public static function get_file_extension($mimetype) {
|
||
|
|
$types = self::get_types();
|
||
|
|
foreach ($types as $extension => $info) {
|
||
|
|
if ($info['type'] == $mimetype) {
|
||
|
|
return $extension;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets all the current types.
|
||
|
|
*
|
||
|
|
* @return array Associative array from extension to array of data about type
|
||
|
|
*/
|
||
|
|
public static function &get_types() {
|
||
|
|
// If it was already done in this request, use cache.
|
||
|
|
if (self::$cachedtypes) {
|
||
|
|
return self::$cachedtypes;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get defaults.
|
||
|
|
$mimetypes = self::get_default_types();
|
||
|
|
|
||
|
|
// Get custom file types.
|
||
|
|
$custom = self::get_custom_types();
|
||
|
|
|
||
|
|
// Check value is an array.
|
||
|
|
if (!is_array($custom)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes (not array)', DEBUG_DEVELOPER);
|
||
|
|
$custom = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($custom as $customentry) {
|
||
|
|
// Each entry is a stdClass object similar to the array values above.
|
||
|
|
if (empty($customentry->extension)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes entry (extension field required)',
|
||
|
|
DEBUG_DEVELOPER);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// To delete a standard entry, set 'deleted' to true.
|
||
|
|
if (!empty($customentry->deleted)) {
|
||
|
|
unset($mimetypes[$customentry->extension]);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check required fields.
|
||
|
|
if (empty($customentry->type) || empty($customentry->icon)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes entry ' . $customentry->extension .
|
||
|
|
' (type and icon fields required)', DEBUG_DEVELOPER);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Build result array.
|
||
|
|
$result = array('type' => $customentry->type, 'icon' => $customentry->icon);
|
||
|
|
if (!empty($customentry->groups)) {
|
||
|
|
if (!is_array($customentry->groups)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes entry ' . $customentry->extension .
|
||
|
|
' (groups field not array)', DEBUG_DEVELOPER);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$result['groups'] = $customentry->groups;
|
||
|
|
}
|
||
|
|
if (!empty($customentry->string)) {
|
||
|
|
if (!is_string($customentry->string)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes entry ' . $customentry->extension .
|
||
|
|
' (string field not string)', DEBUG_DEVELOPER);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$result['string'] = $customentry->string;
|
||
|
|
}
|
||
|
|
if (!empty($customentry->defaulticon)) {
|
||
|
|
if (!is_bool($customentry->defaulticon)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes entry ' . $customentry->extension .
|
||
|
|
' (defaulticon field not bool)', DEBUG_DEVELOPER);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$result['defaulticon'] = $customentry->defaulticon;
|
||
|
|
}
|
||
|
|
if (!empty($customentry->customdescription)) {
|
||
|
|
if (!is_string($customentry->customdescription)) {
|
||
|
|
debugging('Invalid $CFG->customfiletypes entry ' . $customentry->extension .
|
||
|
|
' (customdescription field not string)', DEBUG_DEVELOPER);
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
// As the name suggests, this field is used only for custom entries.
|
||
|
|
$result['customdescription'] = $customentry->customdescription;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Track whether it is a custom filetype or a modified existing
|
||
|
|
// filetype.
|
||
|
|
if (array_key_exists($customentry->extension, $mimetypes)) {
|
||
|
|
$result['modified'] = true;
|
||
|
|
} else {
|
||
|
|
$result['custom'] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add result array to list.
|
||
|
|
$mimetypes[$customentry->extension] = $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
self::$cachedtypes = $mimetypes;
|
||
|
|
return self::$cachedtypes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets custom types from config variable, after decoding the JSON if required.
|
||
|
|
*
|
||
|
|
* @return array Array of custom types (empty array if none)
|
||
|
|
*/
|
||
|
|
protected static function get_custom_types() {
|
||
|
|
global $CFG;
|
||
|
|
if (!empty($CFG->customfiletypes)) {
|
||
|
|
if (is_array($CFG->customfiletypes)) {
|
||
|
|
// You can define this as an array in config.php...
|
||
|
|
return $CFG->customfiletypes;
|
||
|
|
} else {
|
||
|
|
// Or as a JSON string in the config table.
|
||
|
|
return json_decode($CFG->customfiletypes);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return array();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the custom types into config variable, encoding into JSON.
|
||
|
|
*
|
||
|
|
* @param array $types Array of custom types
|
||
|
|
* @throws coding_exception If the custom types are fixed in config.php.
|
||
|
|
*/
|
||
|
|
protected static function set_custom_types(array $types) {
|
||
|
|
global $CFG;
|
||
|
|
// Check the setting hasn't been forced.
|
||
|
|
if (array_key_exists('customfiletypes', $CFG->config_php_settings)) {
|
||
|
|
throw new coding_exception('Cannot set custom filetypes because they ' .
|
||
|
|
'are defined in config.php');
|
||
|
|
}
|
||
|
|
if (empty($types)) {
|
||
|
|
unset_config('customfiletypes');
|
||
|
|
} else {
|
||
|
|
set_config('customfiletypes', json_encode(array_values($types)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Clear the cached type list.
|
||
|
|
self::reset_caches();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clears the type cache. This is not needed in normal use as the
|
||
|
|
* set_custom_types function automatically clears the cache. Intended for
|
||
|
|
* use in unit tests.
|
||
|
|
*/
|
||
|
|
public static function reset_caches() {
|
||
|
|
self::$cachedtypes = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the default types that have been deleted. Returns an array containing
|
||
|
|
* the defaults of all those types.
|
||
|
|
*
|
||
|
|
* @return array Array (same format as get_mimetypes_array)
|
||
|
|
*/
|
||
|
|
public static function get_deleted_types() {
|
||
|
|
$defaults = self::get_default_types();
|
||
|
|
$deleted = array();
|
||
|
|
foreach (self::get_custom_types() as $customentry) {
|
||
|
|
if (!empty($customentry->deleted)) {
|
||
|
|
$deleted[$customentry->extension] = $defaults[$customentry->extension];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $deleted;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a new entry to the list of custom filetypes.
|
||
|
|
*
|
||
|
|
* @param string $extension File extension without dot, e.g. 'doc'
|
||
|
|
* @param string $mimetype MIME type e.g. 'application/msword'
|
||
|
|
* @param string $coreicon Core icon to use e.g. 'document'
|
||
|
|
* @param array $groups Array of group strings that this type belongs to
|
||
|
|
* @param string $corestring Custom lang string name in mimetypes.php
|
||
|
|
* @param string $customdescription Custom description (plain text/multilang)
|
||
|
|
* @param bool $defaulticon True if this should be the default icon for the type
|
||
|
|
* @throws coding_exception If the extension already exists, or otherwise invalid
|
||
|
|
*/
|
||
|
|
public static function add_type($extension, $mimetype, $coreicon,
|
||
|
|
array $groups = array(), $corestring = '', $customdescription = '',
|
||
|
|
$defaulticon = false) {
|
||
|
|
// Check for blank extensions or incorrectly including the dot.
|
||
|
|
$extension = (string)$extension;
|
||
|
|
if ($extension === '' || $extension[0] === '.') {
|
||
|
|
throw new coding_exception('Invalid extension .' . $extension);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check extension not already used.
|
||
|
|
$mimetypes = get_mimetypes_array();
|
||
|
|
if (array_key_exists($extension, $mimetypes)) {
|
||
|
|
throw new coding_exception('Extension ' . $extension . ' already exists');
|
||
|
|
}
|
||
|
|
|
||
|
|
// For default icon, check there isn't already something with default icon
|
||
|
|
// set for that MIME type.
|
||
|
|
if ($defaulticon) {
|
||
|
|
foreach ($mimetypes as $type) {
|
||
|
|
if ($type['type'] === $mimetype && !empty($type['defaulticon'])) {
|
||
|
|
throw new coding_exception('MIME type ' . $mimetype .
|
||
|
|
' already has a default icon set');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get existing custom filetype list.
|
||
|
|
$customs = self::get_custom_types();
|
||
|
|
|
||
|
|
// Check if there's a 'deleted' entry for the extension, if so then get
|
||
|
|
// rid of it.
|
||
|
|
foreach ($customs as $key => $custom) {
|
||
|
|
if ($custom->extension === $extension) {
|
||
|
|
unset($customs[$key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set up config record for new type.
|
||
|
|
$newtype = self::create_config_record($extension, $mimetype, $coreicon, $groups,
|
||
|
|
$corestring, $customdescription, $defaulticon);
|
||
|
|
|
||
|
|
// See if there's a default value with this extension.
|
||
|
|
$needsadding = true;
|
||
|
|
$defaults = self::get_default_types();
|
||
|
|
if (array_key_exists($extension, $defaults)) {
|
||
|
|
// If it has the same values, we don't need to add it.
|
||
|
|
$defaultvalue = $defaults[$extension];
|
||
|
|
$modified = (array)$newtype;
|
||
|
|
unset($modified['extension']);
|
||
|
|
ksort($defaultvalue);
|
||
|
|
ksort($modified);
|
||
|
|
if ($modified === $defaultvalue) {
|
||
|
|
$needsadding = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add to array and set in config.
|
||
|
|
if ($needsadding) {
|
||
|
|
$customs[] = $newtype;
|
||
|
|
}
|
||
|
|
self::set_custom_types($customs);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Updates an entry in the list of filetypes in config.
|
||
|
|
*
|
||
|
|
* @param string $extension File extension without dot, e.g. 'doc'
|
||
|
|
* @param string $newextension New file extension (same if not changing)
|
||
|
|
* @param string $mimetype MIME type e.g. 'application/msword'
|
||
|
|
* @param string $coreicon Core icon to use e.g. 'document'
|
||
|
|
* @param array $groups Array of group strings that this type belongs to
|
||
|
|
* @param string $corestring Custom lang string name in mimetypes.php
|
||
|
|
* @param string $customdescription Custom description (plain text/multilang)
|
||
|
|
* @param bool $defaulticon True if this should be the default icon for the type
|
||
|
|
* @throws coding_exception If the new extension already exists, or otherwise invalid
|
||
|
|
*/
|
||
|
|
public static function update_type($extension, $newextension, $mimetype, $coreicon,
|
||
|
|
array $groups = array(), $corestring = '', $customdescription = '',
|
||
|
|
$defaulticon = false) {
|
||
|
|
|
||
|
|
// Extension must exist.
|
||
|
|
$extension = (string)$extension;
|
||
|
|
$mimetypes = get_mimetypes_array();
|
||
|
|
if (!array_key_exists($extension, $mimetypes)) {
|
||
|
|
throw new coding_exception('Extension ' . $extension . ' not found');
|
||
|
|
}
|
||
|
|
|
||
|
|
// If there's a new extension then this must not exist.
|
||
|
|
$newextension = (string)$newextension;
|
||
|
|
if ($newextension !== $extension) {
|
||
|
|
if ($newextension === '' || $newextension[0] === '.') {
|
||
|
|
throw new coding_exception('Invalid extension .' . $newextension);
|
||
|
|
}
|
||
|
|
if (array_key_exists($newextension, $mimetypes)) {
|
||
|
|
throw new coding_exception('Extension ' . $newextension . ' already exists');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// For default icon, check there isn't already something with default icon
|
||
|
|
// set for that MIME type (unless it's this).
|
||
|
|
if ($defaulticon) {
|
||
|
|
foreach ($mimetypes as $ext => $type) {
|
||
|
|
if ($ext !== $extension && $type['type'] === $mimetype &&
|
||
|
|
!empty($type['defaulticon'])) {
|
||
|
|
throw new coding_exception('MIME type ' . $mimetype .
|
||
|
|
' already has a default icon set');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Delete the old extension and then add the new one (may be same). This
|
||
|
|
// will correctly handle cases when a default type is involved.
|
||
|
|
self::delete_type($extension);
|
||
|
|
self::add_type($newextension, $mimetype, $coreicon, $groups, $corestring,
|
||
|
|
$customdescription, $defaulticon);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Deletes a file type from the config list (or, for a standard one, marks it
|
||
|
|
* as deleted).
|
||
|
|
*
|
||
|
|
* @param string $extension File extension without dot, e.g. 'doc'
|
||
|
|
* @throws coding_exception If the extension does not exist, or otherwise invalid
|
||
|
|
*/
|
||
|
|
public static function delete_type($extension) {
|
||
|
|
// Extension must exist.
|
||
|
|
$mimetypes = get_mimetypes_array();
|
||
|
|
if (!array_key_exists($extension, $mimetypes)) {
|
||
|
|
throw new coding_exception('Extension ' . $extension . ' not found');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get existing custom filetype list.
|
||
|
|
$customs = self::get_custom_types();
|
||
|
|
|
||
|
|
// Remove any entries for this extension.
|
||
|
|
foreach ($customs as $key => $custom) {
|
||
|
|
if ($custom->extension === $extension && empty($custom->deleted)) {
|
||
|
|
unset($customs[$key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If it was a standard entry (doesn't have 'custom' set) then add a
|
||
|
|
// deleted marker.
|
||
|
|
if (empty($mimetypes[$extension]['custom'])) {
|
||
|
|
$customs[] = (object)array('extension' => $extension, 'deleted' => true);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Save and reset cache.
|
||
|
|
self::set_custom_types($customs);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reverts a file type to the default. May only be called on types that have
|
||
|
|
* default values. This will undelete the type if necessary or set its values.
|
||
|
|
* If the type is already at default values, does nothing.
|
||
|
|
*
|
||
|
|
* @param string $extension File extension without dot, e.g. 'doc'
|
||
|
|
* @return bool True if anything was changed, false if it was already default
|
||
|
|
* @throws coding_exception If the extension is not a default type.
|
||
|
|
*/
|
||
|
|
public static function revert_type_to_default($extension) {
|
||
|
|
$extension = (string)$extension;
|
||
|
|
|
||
|
|
// Check it actually is a default type.
|
||
|
|
$defaults = self::get_default_types();
|
||
|
|
if (!array_key_exists($extension, $defaults)) {
|
||
|
|
throw new coding_exception('Extension ' . $extension . ' is not a default type');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Loop through all the custom settings.
|
||
|
|
$changed = false;
|
||
|
|
$customs = self::get_custom_types();
|
||
|
|
foreach ($customs as $key => $customentry) {
|
||
|
|
if ($customentry->extension === $extension) {
|
||
|
|
unset($customs[$key]);
|
||
|
|
$changed = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Save changes if any.
|
||
|
|
if ($changed) {
|
||
|
|
self::set_custom_types($customs);
|
||
|
|
}
|
||
|
|
return $changed;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Converts function parameters into a record for storing in the JSON value.
|
||
|
|
*
|
||
|
|
* @param string $extension File extension without dot, e.g. 'doc'
|
||
|
|
* @param string $mimetype MIME type e.g. 'application/msword'
|
||
|
|
* @param string $coreicon Core icon to use e.g. 'document'
|
||
|
|
* @param array $groups Array of group strings that this type belongs to
|
||
|
|
* @param string $corestring Custom lang string name in mimetypes.php
|
||
|
|
* @param string $customdescription Custom description (plain text/multilang)
|
||
|
|
* @param bool $defaulticon True if this should be the default icon for the type
|
||
|
|
* @return stdClass Record matching the parameters
|
||
|
|
*/
|
||
|
|
protected static function create_config_record($extension, $mimetype,
|
||
|
|
$coreicon, array $groups, $corestring, $customdescription, $defaulticon) {
|
||
|
|
// Construct new entry.
|
||
|
|
$newentry = (object)array('extension' => (string)$extension, 'type' => (string)$mimetype,
|
||
|
|
'icon' => (string)$coreicon);
|
||
|
|
if ($groups) {
|
||
|
|
if (!is_array($groups)) {
|
||
|
|
throw new coding_exception('Groups must be an array');
|
||
|
|
}
|
||
|
|
foreach ($groups as $group) {
|
||
|
|
if (!is_string($group)) {
|
||
|
|
throw new coding_exception('Groups must be an array of strings');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$newentry->groups = $groups;
|
||
|
|
}
|
||
|
|
if ($corestring) {
|
||
|
|
$newentry->string = (string)$corestring;
|
||
|
|
}
|
||
|
|
if ($customdescription) {
|
||
|
|
$newentry->customdescription = (string)$customdescription;
|
||
|
|
}
|
||
|
|
if ($defaulticon) {
|
||
|
|
$newentry->defaulticon = true;
|
||
|
|
}
|
||
|
|
return $newentry;
|
||
|
|
}
|
||
|
|
}
|