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efrain |
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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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* This file contains classes used to manage the repository plugins in Moodle
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*
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* @since Moodle 2.0
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* @package core_repository
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* @copyright 2009 Dongsheng Cai {@link http://dongsheng.org}
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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($CFG->libdir . '/filelib.php');
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require_once($CFG->libdir . '/formslib.php');
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define('FILE_EXTERNAL', 1);
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define('FILE_INTERNAL', 2);
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define('FILE_REFERENCE', 4);
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define('FILE_CONTROLLED_LINK', 8);
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define('RENAME_SUFFIX', '_2');
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/**
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* This class is used to manage repository plugins
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*
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* A repository_type is a repository plug-in. It can be Box.net, Flick-r, ...
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* A repository type can be edited, sorted and hidden. It is mandatory for an
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* administrator to create a repository type in order to be able to create
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* some instances of this type.
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* Coding note:
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* - a repository_type object is mapped to the "repository" database table
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* - "typename" attibut maps the "type" database field. It is unique.
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* - general "options" for a repository type are saved in the config_plugin table
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* - when you delete a repository, all instances are deleted, and general
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* options are also deleted from database
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* - When you create a type for a plugin that can't have multiple instances, a
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* instance is automatically created.
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*
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* @package core_repository
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* @copyright 2009 Jerome Mouneyrac
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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 repository_type implements cacheable_object {
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/**
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* Type name (no whitespace) - A type name is unique
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* Note: for a user-friendly type name see get_readablename()
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* @var String
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*/
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private $_typename;
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/**
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* Options of this type
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* They are general options that any instance of this type would share
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* e.g. API key
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* These options are saved in config_plugin table
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* @var array
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*/
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private $_options;
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/**
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* Is the repository type visible or hidden
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* If false (hidden): no instances can be created, edited, deleted, showned , used...
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* @var boolean
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*/
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private $_visible;
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/**
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* 0 => not ordered, 1 => first position, 2 => second position...
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* A not order type would appear in first position (should never happened)
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* @var integer
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*/
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private $_sortorder;
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/**
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* Return if the instance is visible in a context
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*
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* @todo check if the context visibility has been overwritten by the plugin creator
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* (need to create special functions to be overvwritten in repository class)
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* @param stdClass $context context
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* @return bool
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*/
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public function get_contextvisibility($context) {
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global $USER;
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if ($context->contextlevel == CONTEXT_COURSE) {
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return $this->_options['enablecourseinstances'];
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}
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if ($context->contextlevel == CONTEXT_USER) {
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return $this->_options['enableuserinstances'];
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}
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//the context is SITE
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return true;
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}
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/**
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* repository_type constructor
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*
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* @param int $typename
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* @param array $typeoptions
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* @param bool $visible
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* @param int $sortorder (don't really need set, it will be during create() call)
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*/
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public function __construct($typename = '', $typeoptions = array(), $visible = true, $sortorder = 0) {
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global $CFG;
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//set type attributs
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$this->_typename = $typename;
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$this->_visible = $visible;
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$this->_sortorder = $sortorder;
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//set options attribut
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$this->_options = array();
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$options = repository::static_function($typename, 'get_type_option_names');
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//check that the type can be setup
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if (!empty($options)) {
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//set the type options
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foreach ($options as $config) {
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if (array_key_exists($config, $typeoptions)) {
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$this->_options[$config] = $typeoptions[$config];
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}
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}
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}
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//retrieve visibility from option
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if (array_key_exists('enablecourseinstances',$typeoptions)) {
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$this->_options['enablecourseinstances'] = $typeoptions['enablecourseinstances'];
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} else {
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$this->_options['enablecourseinstances'] = 0;
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}
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if (array_key_exists('enableuserinstances',$typeoptions)) {
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$this->_options['enableuserinstances'] = $typeoptions['enableuserinstances'];
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} else {
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$this->_options['enableuserinstances'] = 0;
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}
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}
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/**
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* Get the type name (no whitespace)
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* For a human readable name, use get_readablename()
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*
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* @return string the type name
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*/
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public function get_typename() {
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return $this->_typename;
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}
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/**
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* Return a human readable and user-friendly type name
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*
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* @return string user-friendly type name
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*/
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public function get_readablename() {
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return get_string('pluginname','repository_'.$this->_typename);
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}
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/**
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* Return general options
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*
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* @return array the general options
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*/
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public function get_options() {
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return $this->_options;
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}
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/**
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* Return visibility
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*
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* @return bool
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*/
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public function get_visible() {
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return $this->_visible;
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}
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/**
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* Return order / position of display in the file picker
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*
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* @return int
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*/
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public function get_sortorder() {
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return $this->_sortorder;
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}
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/**
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* Create a repository type (the type name must not already exist)
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* @param bool $silent throw exception?
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* @return mixed return int if create successfully, return false if
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*/
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public function create($silent = false) {
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global $DB;
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//check that $type has been set
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$timmedtype = trim($this->_typename);
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if (empty($timmedtype)) {
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throw new repository_exception('emptytype', 'repository');
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}
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//set sortorder as the last position in the list
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if (!isset($this->_sortorder) || $this->_sortorder == 0 ) {
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$sql = "SELECT MAX(sortorder) FROM {repository}";
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$this->_sortorder = 1 + $DB->get_field_sql($sql);
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}
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//only create a new type if it doesn't already exist
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$existingtype = $DB->get_record('repository', array('type'=>$this->_typename));
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if (!$existingtype) {
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//create the type
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$newtype = new stdClass();
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$newtype->type = $this->_typename;
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$newtype->visible = $this->_visible;
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$newtype->sortorder = $this->_sortorder;
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$plugin_id = $DB->insert_record('repository', $newtype);
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//save the options in DB
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$this->update_options();
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$instanceoptionnames = repository::static_function($this->_typename, 'get_instance_option_names');
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//if the plugin type has no multiple instance (e.g. has no instance option name) so it wont
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//be possible for the administrator to create a instance
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//in this case we need to create an instance
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if (empty($instanceoptionnames)) {
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$instanceoptions = array();
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if (empty($this->_options['pluginname'])) {
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// when moodle trying to install some repo plugin automatically
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// this option will be empty, get it from language string when display
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$instanceoptions['name'] = '';
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} else {
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// when admin trying to add a plugin manually, he will type a name
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// for it
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$instanceoptions['name'] = $this->_options['pluginname'];
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}
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repository::static_function($this->_typename, 'create', $this->_typename, 0, context_system::instance(), $instanceoptions);
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}
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//run plugin_init function
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if (!repository::static_function($this->_typename, 'plugin_init')) {
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$this->update_visibility(false);
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if (!$silent) {
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throw new repository_exception('cannotinitplugin', 'repository');
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}
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}
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cache::make('core', 'repositories')->purge();
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if(!empty($plugin_id)) {
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// return plugin_id if create successfully
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return $plugin_id;
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} else {
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return false;
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}
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} else {
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if (!$silent) {
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throw new repository_exception('existingrepository', 'repository');
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}
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// If plugin existed, return false, tell caller no new plugins were created.
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return false;
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}
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}
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/**
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* Update plugin options into the config_plugin table
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*
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* @param array $options
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* @return bool
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*/
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public function update_options($options = null) {
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global $DB;
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$classname = 'repository_' . $this->_typename;
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$instanceoptions = repository::static_function($this->_typename, 'get_instance_option_names');
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if (empty($instanceoptions)) {
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// update repository instance name if this plugin type doesn't have muliti instances
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$params = array();
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$params['type'] = $this->_typename;
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$instances = repository::get_instances($params);
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$instance = array_pop($instances);
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if ($instance) {
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$DB->set_field('repository_instances', 'name', $options['pluginname'], array('id'=>$instance->id));
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}
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unset($options['pluginname']);
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}
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if (!empty($options)) {
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$this->_options = $options;
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}
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foreach ($this->_options as $name => $value) {
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set_config($name, $value, $this->_typename);
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}
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cache::make('core', 'repositories')->purge();
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return true;
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}
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/**
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* Update visible database field with the value given as parameter
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* or with the visible value of this object
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* This function is private.
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* For public access, have a look to switch_and_update_visibility()
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*
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* @param bool $visible
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* @return bool
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*/
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private function update_visible($visible = null) {
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global $DB;
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if (!empty($visible)) {
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$this->_visible = $visible;
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}
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else if (!isset($this->_visible)) {
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throw new repository_exception('updateemptyvisible', 'repository');
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}
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cache::make('core', 'repositories')->purge();
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return $DB->set_field('repository', 'visible', $this->_visible, array('type'=>$this->_typename));
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}
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/**
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* Update database sortorder field with the value given as parameter
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* or with the sortorder value of this object
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* This function is private.
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* For public access, have a look to move_order()
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*
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* @param int $sortorder
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* @return bool
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*/
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private function update_sortorder($sortorder = null) {
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global $DB;
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if (!empty($sortorder) && $sortorder!=0) {
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$this->_sortorder = $sortorder;
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}
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//if sortorder is not set, we set it as the ;ast position in the list
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else if (!isset($this->_sortorder) || $this->_sortorder == 0 ) {
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$sql = "SELECT MAX(sortorder) FROM {repository}";
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$this->_sortorder = 1 + $DB->get_field_sql($sql);
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}
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cache::make('core', 'repositories')->purge();
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return $DB->set_field('repository', 'sortorder', $this->_sortorder, array('type'=>$this->_typename));
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}
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/**
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* Change order of the type with its adjacent upper or downer type
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* (database fields are updated)
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* Algorithm details:
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* 1. retrieve all types in an array. This array is sorted by sortorder,
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* and the array keys start from 0 to X (incremented by 1)
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* 2. switch sortorder values of this type and its adjacent type
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*
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* @param string $move "up" or "down"
|
|
|
375 |
*/
|
|
|
376 |
public function move_order($move) {
|
|
|
377 |
global $DB;
|
|
|
378 |
|
|
|
379 |
$types = repository::get_types(); // retrieve all types
|
|
|
380 |
|
|
|
381 |
// retrieve this type into the returned array
|
|
|
382 |
$i = 0;
|
|
|
383 |
while (!isset($indice) && $i<count($types)) {
|
|
|
384 |
if ($types[$i]->get_typename() == $this->_typename) {
|
|
|
385 |
$indice = $i;
|
|
|
386 |
}
|
|
|
387 |
$i++;
|
|
|
388 |
}
|
|
|
389 |
|
|
|
390 |
// retrieve adjacent indice
|
|
|
391 |
switch ($move) {
|
|
|
392 |
case "up":
|
|
|
393 |
$adjacentindice = $indice - 1;
|
|
|
394 |
break;
|
|
|
395 |
case "down":
|
|
|
396 |
$adjacentindice = $indice + 1;
|
|
|
397 |
break;
|
|
|
398 |
default:
|
|
|
399 |
throw new repository_exception('movenotdefined', 'repository');
|
|
|
400 |
}
|
|
|
401 |
|
|
|
402 |
//switch sortorder of this type and the adjacent type
|
|
|
403 |
//TODO: we could reset sortorder for all types. This is not as good in performance term, but
|
|
|
404 |
//that prevent from wrong behaviour on a screwed database. As performance are not important in this particular case
|
|
|
405 |
//it worth to change the algo.
|
|
|
406 |
if ($adjacentindice>=0 && !empty($types[$adjacentindice])) {
|
|
|
407 |
$DB->set_field('repository', 'sortorder', $this->_sortorder, array('type'=>$types[$adjacentindice]->get_typename()));
|
|
|
408 |
$this->update_sortorder($types[$adjacentindice]->get_sortorder());
|
|
|
409 |
}
|
|
|
410 |
}
|
|
|
411 |
|
|
|
412 |
/**
|
|
|
413 |
* 1. Change visibility to the value chosen
|
|
|
414 |
* 2. Update the type
|
|
|
415 |
*
|
|
|
416 |
* @param bool $visible
|
|
|
417 |
* @return bool
|
|
|
418 |
*/
|
|
|
419 |
public function update_visibility($visible = null) {
|
|
|
420 |
if (is_bool($visible)) {
|
|
|
421 |
$this->_visible = $visible;
|
|
|
422 |
} else {
|
|
|
423 |
$this->_visible = !$this->_visible;
|
|
|
424 |
}
|
|
|
425 |
return $this->update_visible();
|
|
|
426 |
}
|
|
|
427 |
|
|
|
428 |
|
|
|
429 |
/**
|
|
|
430 |
* Delete a repository_type (general options are removed from config_plugin
|
|
|
431 |
* table, and all instances are deleted)
|
|
|
432 |
*
|
|
|
433 |
* @param bool $downloadcontents download external contents if exist
|
|
|
434 |
* @return bool
|
|
|
435 |
*/
|
|
|
436 |
public function delete($downloadcontents = false) {
|
|
|
437 |
global $DB;
|
|
|
438 |
|
|
|
439 |
//delete all instances of this type
|
|
|
440 |
$params = array();
|
|
|
441 |
$params['context'] = array();
|
|
|
442 |
$params['onlyvisible'] = false;
|
|
|
443 |
$params['type'] = $this->_typename;
|
|
|
444 |
$instances = repository::get_instances($params);
|
|
|
445 |
foreach ($instances as $instance) {
|
|
|
446 |
$instance->delete($downloadcontents);
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
//delete all general options
|
|
|
450 |
foreach ($this->_options as $name => $value) {
|
|
|
451 |
set_config($name, null, $this->_typename);
|
|
|
452 |
}
|
|
|
453 |
|
|
|
454 |
cache::make('core', 'repositories')->purge();
|
|
|
455 |
try {
|
|
|
456 |
$DB->delete_records('repository', array('type' => $this->_typename));
|
|
|
457 |
} catch (dml_exception $ex) {
|
|
|
458 |
return false;
|
|
|
459 |
}
|
|
|
460 |
return true;
|
|
|
461 |
}
|
|
|
462 |
|
|
|
463 |
/**
|
|
|
464 |
* Prepares the repository type to be cached. Implements method from cacheable_object interface.
|
|
|
465 |
*
|
|
|
466 |
* @return array
|
|
|
467 |
*/
|
|
|
468 |
public function prepare_to_cache() {
|
|
|
469 |
return array(
|
|
|
470 |
'typename' => $this->_typename,
|
|
|
471 |
'typeoptions' => $this->_options,
|
|
|
472 |
'visible' => $this->_visible,
|
|
|
473 |
'sortorder' => $this->_sortorder
|
|
|
474 |
);
|
|
|
475 |
}
|
|
|
476 |
|
|
|
477 |
/**
|
|
|
478 |
* Restores repository type from cache. Implements method from cacheable_object interface.
|
|
|
479 |
*
|
|
|
480 |
* @return array
|
|
|
481 |
*/
|
|
|
482 |
public static function wake_from_cache($data) {
|
|
|
483 |
return new repository_type($data['typename'], $data['typeoptions'], $data['visible'], $data['sortorder']);
|
|
|
484 |
}
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
/**
|
|
|
488 |
* This is the base class of the repository class.
|
|
|
489 |
*
|
|
|
490 |
* To create repository plugin, see: {@link https://moodledev.io/docs/apis/plugintypes/repository}
|
|
|
491 |
* See an example: repository_dropbox
|
|
|
492 |
*
|
|
|
493 |
* @package core_repository
|
|
|
494 |
* @copyright 2009 Dongsheng Cai {@link http://dongsheng.org}
|
|
|
495 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
496 |
*/
|
|
|
497 |
abstract class repository implements cacheable_object {
|
|
|
498 |
/**
|
|
|
499 |
* Timeout in seconds for downloading the external file into moodle
|
|
|
500 |
* @deprecated since Moodle 2.7, please use $CFG->repositorygetfiletimeout instead
|
|
|
501 |
*/
|
|
|
502 |
const GETFILE_TIMEOUT = 30;
|
|
|
503 |
|
|
|
504 |
/**
|
|
|
505 |
* Timeout in seconds for syncronising the external file size
|
|
|
506 |
* @deprecated since Moodle 2.7, please use $CFG->repositorysyncfiletimeout instead
|
|
|
507 |
*/
|
|
|
508 |
const SYNCFILE_TIMEOUT = 1;
|
|
|
509 |
|
|
|
510 |
/**
|
|
|
511 |
* Timeout in seconds for downloading an image file from external repository during syncronisation
|
|
|
512 |
* @deprecated since Moodle 2.7, please use $CFG->repositorysyncimagetimeout instead
|
|
|
513 |
*/
|
|
|
514 |
const SYNCIMAGE_TIMEOUT = 3;
|
|
|
515 |
|
|
|
516 |
// $disabled can be set to true to disable a plugin by force
|
|
|
517 |
// example: self::$disabled = true
|
|
|
518 |
/** @var bool force disable repository instance */
|
|
|
519 |
public $disabled = false;
|
|
|
520 |
/** @var int repository instance id */
|
|
|
521 |
public $id;
|
|
|
522 |
/** @var context current context */
|
|
|
523 |
public $context;
|
|
|
524 |
/** @var array repository options */
|
|
|
525 |
public $options;
|
|
|
526 |
/** @var bool Whether or not the repository instance is editable */
|
|
|
527 |
public $readonly;
|
|
|
528 |
/** @var int return types */
|
|
|
529 |
public $returntypes;
|
|
|
530 |
/** @var stdClass repository instance database record */
|
|
|
531 |
public $instance;
|
|
|
532 |
/** @var string Type of repository (webdav, google_docs, dropbox, ...). Read from $this->get_typename(). */
|
|
|
533 |
protected $typename;
|
|
|
534 |
/** @var string instance name. */
|
|
|
535 |
public $name;
|
|
|
536 |
/** @var bool true if the super construct is called, otherwise false. */
|
|
|
537 |
public $super_called;
|
|
|
538 |
|
| 1441 |
ariadna |
539 |
/** @var array List of file ids currently being synced, to avoid endless recursion */
|
|
|
540 |
protected static $syncfileids = [];
|
|
|
541 |
|
| 1 |
efrain |
542 |
/**
|
|
|
543 |
* Constructor
|
|
|
544 |
*
|
|
|
545 |
* @param int $repositoryid repository instance id
|
|
|
546 |
* @param int|stdClass $context a context id or context object
|
|
|
547 |
* @param array $options repository options
|
|
|
548 |
* @param int $readonly indicate this repo is readonly or not
|
|
|
549 |
*/
|
|
|
550 |
public function __construct($repositoryid, $context = SYSCONTEXTID, $options = array(), $readonly = 0) {
|
|
|
551 |
global $DB;
|
|
|
552 |
$this->id = $repositoryid;
|
|
|
553 |
if (is_object($context)) {
|
|
|
554 |
$this->context = $context;
|
|
|
555 |
} else {
|
|
|
556 |
$this->context = context::instance_by_id($context);
|
|
|
557 |
}
|
|
|
558 |
$cache = cache::make('core', 'repositories');
|
|
|
559 |
if (($this->instance = $cache->get('i:'. $this->id)) === false) {
|
|
|
560 |
$this->instance = $DB->get_record_sql("SELECT i.*, r.type AS repositorytype, r.sortorder, r.visible
|
|
|
561 |
FROM {repository} r, {repository_instances} i
|
|
|
562 |
WHERE i.typeid = r.id and i.id = ?", array('id' => $this->id));
|
|
|
563 |
$cache->set('i:'. $this->id, $this->instance);
|
|
|
564 |
}
|
|
|
565 |
$this->readonly = $readonly;
|
|
|
566 |
$this->options = array();
|
|
|
567 |
|
|
|
568 |
if (is_array($options)) {
|
|
|
569 |
// The get_option() method will get stored options in database.
|
|
|
570 |
$options = array_merge($this->get_option(), $options);
|
|
|
571 |
} else {
|
|
|
572 |
$options = $this->get_option();
|
|
|
573 |
}
|
|
|
574 |
foreach ($options as $n => $v) {
|
|
|
575 |
$this->options[$n] = $v;
|
|
|
576 |
}
|
|
|
577 |
$this->name = $this->get_name();
|
|
|
578 |
$this->returntypes = $this->supported_returntypes();
|
|
|
579 |
$this->super_called = true;
|
|
|
580 |
}
|
|
|
581 |
|
|
|
582 |
/**
|
|
|
583 |
* Get repository instance using repository id
|
|
|
584 |
*
|
|
|
585 |
* Note that this function does not check permission to access repository contents
|
|
|
586 |
*
|
|
|
587 |
* @throws repository_exception
|
|
|
588 |
*
|
|
|
589 |
* @param int $repositoryid repository instance ID
|
|
|
590 |
* @param context|int $context context instance or context ID where this repository will be used
|
|
|
591 |
* @param array $options additional repository options
|
|
|
592 |
* @return repository
|
|
|
593 |
*/
|
|
|
594 |
public static function get_repository_by_id($repositoryid, $context, $options = array()) {
|
|
|
595 |
global $CFG, $DB;
|
|
|
596 |
$cache = cache::make('core', 'repositories');
|
|
|
597 |
if (!is_object($context)) {
|
|
|
598 |
$context = context::instance_by_id($context);
|
|
|
599 |
}
|
|
|
600 |
$cachekey = 'rep:'. $repositoryid. ':'. $context->id. ':'. serialize($options);
|
|
|
601 |
if ($repository = $cache->get($cachekey)) {
|
|
|
602 |
return $repository;
|
|
|
603 |
}
|
|
|
604 |
|
|
|
605 |
if (!$record = $cache->get('i:'. $repositoryid)) {
|
|
|
606 |
$sql = "SELECT i.*, r.type AS repositorytype, r.visible, r.sortorder
|
|
|
607 |
FROM {repository_instances} i
|
|
|
608 |
JOIN {repository} r ON r.id = i.typeid
|
|
|
609 |
WHERE i.id = ?";
|
|
|
610 |
if (!$record = $DB->get_record_sql($sql, array($repositoryid))) {
|
|
|
611 |
throw new repository_exception('invalidrepositoryid', 'repository');
|
|
|
612 |
}
|
|
|
613 |
$cache->set('i:'. $record->id, $record);
|
|
|
614 |
}
|
|
|
615 |
|
|
|
616 |
$type = $record->repositorytype;
|
|
|
617 |
if (file_exists($CFG->dirroot . "/repository/$type/lib.php")) {
|
|
|
618 |
require_once($CFG->dirroot . "/repository/$type/lib.php");
|
|
|
619 |
$classname = 'repository_' . $type;
|
|
|
620 |
$options['type'] = $type;
|
|
|
621 |
$options['typeid'] = $record->typeid;
|
|
|
622 |
$options['visible'] = $record->visible;
|
|
|
623 |
if (empty($options['name'])) {
|
|
|
624 |
$options['name'] = $record->name;
|
|
|
625 |
}
|
|
|
626 |
$repository = new $classname($repositoryid, $context, $options, $record->readonly);
|
|
|
627 |
if (empty($repository->super_called)) {
|
|
|
628 |
// to make sure the super construct is called
|
|
|
629 |
debugging('parent::__construct must be called by '.$type.' plugin.');
|
|
|
630 |
}
|
|
|
631 |
$cache->set($cachekey, $repository);
|
|
|
632 |
return $repository;
|
|
|
633 |
} else {
|
|
|
634 |
throw new repository_exception('invalidplugin', 'repository');
|
|
|
635 |
}
|
|
|
636 |
}
|
|
|
637 |
|
|
|
638 |
/**
|
|
|
639 |
* Returns the type name of the repository.
|
|
|
640 |
*
|
|
|
641 |
* @return string type name of the repository.
|
|
|
642 |
* @since Moodle 2.5
|
|
|
643 |
*/
|
|
|
644 |
public function get_typename() {
|
|
|
645 |
if (empty($this->typename)) {
|
|
|
646 |
$matches = array();
|
|
|
647 |
if (!preg_match("/^repository_(.*)$/", get_class($this), $matches)) {
|
|
|
648 |
throw new coding_exception('The class name of a repository should be repository_<typeofrepository>, '.
|
|
|
649 |
'e.g. repository_dropbox');
|
|
|
650 |
}
|
|
|
651 |
$this->typename = $matches[1];
|
|
|
652 |
}
|
|
|
653 |
return $this->typename;
|
|
|
654 |
}
|
|
|
655 |
|
|
|
656 |
/**
|
|
|
657 |
* Get a repository type object by a given type name.
|
|
|
658 |
*
|
|
|
659 |
* @static
|
|
|
660 |
* @param string $typename the repository type name
|
|
|
661 |
* @return repository_type|bool
|
|
|
662 |
*/
|
|
|
663 |
public static function get_type_by_typename($typename) {
|
|
|
664 |
global $DB;
|
|
|
665 |
$cache = cache::make('core', 'repositories');
|
|
|
666 |
if (($repositorytype = $cache->get('typename:'. $typename)) === false) {
|
|
|
667 |
$repositorytype = null;
|
|
|
668 |
if ($record = $DB->get_record('repository', array('type' => $typename))) {
|
|
|
669 |
$repositorytype = new repository_type($record->type, (array)get_config($record->type), $record->visible, $record->sortorder);
|
|
|
670 |
$cache->set('typeid:'. $record->id, $repositorytype);
|
|
|
671 |
}
|
|
|
672 |
$cache->set('typename:'. $typename, $repositorytype);
|
|
|
673 |
}
|
|
|
674 |
return $repositorytype;
|
|
|
675 |
}
|
|
|
676 |
|
|
|
677 |
/**
|
|
|
678 |
* Get the repository type by a given repository type id.
|
|
|
679 |
*
|
|
|
680 |
* @static
|
|
|
681 |
* @param int $id the type id
|
|
|
682 |
* @return object
|
|
|
683 |
*/
|
|
|
684 |
public static function get_type_by_id($id) {
|
|
|
685 |
global $DB;
|
|
|
686 |
$cache = cache::make('core', 'repositories');
|
|
|
687 |
if (($repositorytype = $cache->get('typeid:'. $id)) === false) {
|
|
|
688 |
$repositorytype = null;
|
|
|
689 |
if ($record = $DB->get_record('repository', array('id' => $id))) {
|
|
|
690 |
$repositorytype = new repository_type($record->type, (array)get_config($record->type), $record->visible, $record->sortorder);
|
|
|
691 |
$cache->set('typename:'. $record->type, $repositorytype);
|
|
|
692 |
}
|
|
|
693 |
$cache->set('typeid:'. $id, $repositorytype);
|
|
|
694 |
}
|
|
|
695 |
return $repositorytype;
|
|
|
696 |
}
|
|
|
697 |
|
|
|
698 |
/**
|
|
|
699 |
* Return all repository types ordered by sortorder field
|
|
|
700 |
* first repository type in returnedarray[0], second repository type in returnedarray[1], ...
|
|
|
701 |
*
|
|
|
702 |
* @static
|
|
|
703 |
* @param bool $visible can return types by visiblity, return all types if null
|
|
|
704 |
* @return array Repository types
|
|
|
705 |
*/
|
|
|
706 |
public static function get_types($visible=null) {
|
|
|
707 |
global $DB, $CFG;
|
|
|
708 |
$cache = cache::make('core', 'repositories');
|
|
|
709 |
if (!$visible) {
|
|
|
710 |
$typesnames = $cache->get('types');
|
|
|
711 |
} else {
|
|
|
712 |
$typesnames = $cache->get('typesvis');
|
|
|
713 |
}
|
|
|
714 |
$types = array();
|
|
|
715 |
if ($typesnames === false) {
|
|
|
716 |
$typesnames = array();
|
|
|
717 |
$vistypesnames = array();
|
|
|
718 |
if ($records = $DB->get_records('repository', null ,'sortorder')) {
|
|
|
719 |
foreach($records as $type) {
|
|
|
720 |
if (($repositorytype = $cache->get('typename:'. $type->type)) === false) {
|
|
|
721 |
// Create new instance of repository_type.
|
|
|
722 |
if (file_exists($CFG->dirroot . '/repository/'. $type->type .'/lib.php')) {
|
|
|
723 |
$repositorytype = new repository_type($type->type, (array)get_config($type->type), $type->visible, $type->sortorder);
|
|
|
724 |
$cache->set('typeid:'. $type->id, $repositorytype);
|
|
|
725 |
$cache->set('typename:'. $type->type, $repositorytype);
|
|
|
726 |
}
|
|
|
727 |
}
|
|
|
728 |
if ($repositorytype) {
|
|
|
729 |
if (empty($visible) || $repositorytype->get_visible()) {
|
|
|
730 |
$types[] = $repositorytype;
|
|
|
731 |
$vistypesnames[] = $repositorytype->get_typename();
|
|
|
732 |
}
|
|
|
733 |
$typesnames[] = $repositorytype->get_typename();
|
|
|
734 |
}
|
|
|
735 |
}
|
|
|
736 |
}
|
|
|
737 |
$cache->set('types', $typesnames);
|
|
|
738 |
$cache->set('typesvis', $vistypesnames);
|
|
|
739 |
} else {
|
|
|
740 |
foreach ($typesnames as $typename) {
|
|
|
741 |
$types[] = self::get_type_by_typename($typename);
|
|
|
742 |
}
|
|
|
743 |
}
|
|
|
744 |
return $types;
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
/**
|
|
|
748 |
* Checks if user has a capability to view the current repository.
|
|
|
749 |
*
|
|
|
750 |
* @return bool true when the user can, otherwise throws an exception.
|
|
|
751 |
* @throws repository_exception when the user does not meet the requirements.
|
|
|
752 |
*/
|
|
|
753 |
final public function check_capability() {
|
|
|
754 |
global $USER;
|
|
|
755 |
|
|
|
756 |
// The context we are on.
|
|
|
757 |
$currentcontext = $this->context;
|
|
|
758 |
|
|
|
759 |
// Ensure that the user can view the repository in the current context.
|
|
|
760 |
$can = has_capability('repository/'.$this->get_typename().':view', $currentcontext);
|
|
|
761 |
|
|
|
762 |
// Context in which the repository has been created.
|
|
|
763 |
$repocontext = context::instance_by_id($this->instance->contextid);
|
|
|
764 |
|
|
|
765 |
// Prevent access to private repositories when logged in as.
|
|
|
766 |
if ($can && \core\session\manager::is_loggedinas()) {
|
|
|
767 |
if ($this->contains_private_data() || $repocontext->contextlevel == CONTEXT_USER) {
|
|
|
768 |
$can = false;
|
|
|
769 |
}
|
|
|
770 |
}
|
|
|
771 |
|
|
|
772 |
// We are going to ensure that the current context was legit, and reliable to check
|
|
|
773 |
// the capability against. (No need to do that if we already cannot).
|
|
|
774 |
if ($can) {
|
|
|
775 |
if ($repocontext->contextlevel == CONTEXT_USER) {
|
|
|
776 |
// The repository is a user instance, ensure we're the right user to access it!
|
|
|
777 |
if ($repocontext->instanceid != $USER->id) {
|
|
|
778 |
$can = false;
|
|
|
779 |
}
|
|
|
780 |
} else if ($repocontext->contextlevel == CONTEXT_COURSE) {
|
|
|
781 |
// The repository is a course one. Let's check that we are on the right course.
|
|
|
782 |
if (in_array($currentcontext->contextlevel, array(CONTEXT_COURSE, CONTEXT_MODULE, CONTEXT_BLOCK))) {
|
|
|
783 |
$coursecontext = $currentcontext->get_course_context();
|
|
|
784 |
if ($coursecontext->instanceid != $repocontext->instanceid) {
|
|
|
785 |
$can = false;
|
|
|
786 |
}
|
|
|
787 |
} else {
|
|
|
788 |
// We are on a parent context, therefore it's legit to check the permissions
|
|
|
789 |
// in the current context.
|
|
|
790 |
}
|
|
|
791 |
} else {
|
|
|
792 |
// Nothing to check here, system instances can have different permissions on different
|
|
|
793 |
// levels. We do not want to prevent URL hack here, because it does not make sense to
|
|
|
794 |
// prevent a user to access a repository in a context if it's accessible in another one.
|
|
|
795 |
}
|
|
|
796 |
}
|
|
|
797 |
|
|
|
798 |
if ($can) {
|
|
|
799 |
return true;
|
|
|
800 |
}
|
|
|
801 |
|
|
|
802 |
throw new repository_exception('nopermissiontoaccess', 'repository');
|
|
|
803 |
}
|
|
|
804 |
|
|
|
805 |
/**
|
|
|
806 |
* Check if file already exists in draft area.
|
|
|
807 |
*
|
|
|
808 |
* @static
|
|
|
809 |
* @param int $itemid of the draft area.
|
|
|
810 |
* @param string $filepath path to the file.
|
|
|
811 |
* @param string $filename file name.
|
|
|
812 |
* @return bool
|
|
|
813 |
*/
|
|
|
814 |
public static function draftfile_exists($itemid, $filepath, $filename) {
|
|
|
815 |
global $USER;
|
|
|
816 |
$fs = get_file_storage();
|
|
|
817 |
$usercontext = context_user::instance($USER->id);
|
|
|
818 |
return $fs->file_exists($usercontext->id, 'user', 'draft', $itemid, $filepath, $filename);
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
/**
|
|
|
822 |
* Parses the moodle file reference and returns an instance of stored_file
|
|
|
823 |
*
|
|
|
824 |
* @param string $reference reference to the moodle internal file as retruned by
|
|
|
825 |
* {@link repository::get_file_reference()} or {@link file_storage::pack_reference()}
|
|
|
826 |
* @return stored_file|null
|
|
|
827 |
*/
|
|
|
828 |
public static function get_moodle_file($reference) {
|
|
|
829 |
$params = file_storage::unpack_reference($reference, true);
|
|
|
830 |
$fs = get_file_storage();
|
|
|
831 |
return $fs->get_file($params['contextid'], $params['component'], $params['filearea'],
|
|
|
832 |
$params['itemid'], $params['filepath'], $params['filename']);
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
/**
|
|
|
836 |
* Repository method to make sure that user can access particular file.
|
|
|
837 |
*
|
|
|
838 |
* This is checked when user tries to pick the file from repository to deal with
|
|
|
839 |
* potential parameter substitutions is request
|
|
|
840 |
*
|
|
|
841 |
* @param string $source source of the file, returned by repository as 'source' and received back from user (not cleaned)
|
|
|
842 |
* @return bool whether the file is accessible by current user
|
|
|
843 |
*/
|
|
|
844 |
public function file_is_accessible($source) {
|
|
|
845 |
if ($this->has_moodle_files()) {
|
|
|
846 |
$reference = $this->get_file_reference($source);
|
|
|
847 |
try {
|
|
|
848 |
$params = file_storage::unpack_reference($reference, true);
|
|
|
849 |
} catch (file_reference_exception $e) {
|
|
|
850 |
return false;
|
|
|
851 |
}
|
|
|
852 |
$browser = get_file_browser();
|
|
|
853 |
$context = context::instance_by_id($params['contextid']);
|
|
|
854 |
$file_info = $browser->get_file_info($context, $params['component'], $params['filearea'],
|
|
|
855 |
$params['itemid'], $params['filepath'], $params['filename']);
|
|
|
856 |
return !empty($file_info);
|
|
|
857 |
}
|
|
|
858 |
return true;
|
|
|
859 |
}
|
|
|
860 |
|
|
|
861 |
/**
|
|
|
862 |
* This function is used to copy a moodle file to draft area.
|
|
|
863 |
*
|
|
|
864 |
* It DOES NOT check if the user is allowed to access this file because the actual file
|
|
|
865 |
* can be located in the area where user does not have access to but there is an alias
|
|
|
866 |
* to this file in the area where user CAN access it.
|
|
|
867 |
* {@link file_is_accessible} should be called for alias location before calling this function.
|
|
|
868 |
*
|
|
|
869 |
* @param string $source The metainfo of file, it is base64 encoded php serialized data
|
|
|
870 |
* @param stdClass|array $filerecord contains itemid, filepath, filename and optionally other
|
|
|
871 |
* attributes of the new file
|
|
|
872 |
* @param int $maxbytes maximum allowed size of file, -1 if unlimited. If size of file exceeds
|
|
|
873 |
* the limit, the file_exception is thrown.
|
|
|
874 |
* @param int $areamaxbytes the maximum size of the area. A file_exception is thrown if the
|
|
|
875 |
* new file will reach the limit.
|
|
|
876 |
* @return array The information about the created file
|
|
|
877 |
*/
|
|
|
878 |
public function copy_to_area($source, $filerecord, $maxbytes = -1, $areamaxbytes = FILE_AREA_MAX_BYTES_UNLIMITED) {
|
|
|
879 |
global $USER;
|
|
|
880 |
$fs = get_file_storage();
|
|
|
881 |
|
|
|
882 |
if ($this->has_moodle_files() == false) {
|
|
|
883 |
throw new coding_exception('Only repository used to browse moodle files can use repository::copy_to_area()');
|
|
|
884 |
}
|
|
|
885 |
|
|
|
886 |
$user_context = context_user::instance($USER->id);
|
|
|
887 |
|
|
|
888 |
$filerecord = (array)$filerecord;
|
|
|
889 |
// make sure the new file will be created in user draft area
|
|
|
890 |
$filerecord['component'] = 'user';
|
|
|
891 |
$filerecord['filearea'] = 'draft';
|
|
|
892 |
$filerecord['contextid'] = $user_context->id;
|
|
|
893 |
$draftitemid = $filerecord['itemid'];
|
|
|
894 |
$new_filepath = $filerecord['filepath'];
|
|
|
895 |
$new_filename = $filerecord['filename'];
|
|
|
896 |
|
|
|
897 |
// the file needs to copied to draft area
|
|
|
898 |
$stored_file = self::get_moodle_file($source);
|
|
|
899 |
if ($maxbytes != -1 && $stored_file->get_filesize() > $maxbytes) {
|
|
|
900 |
$maxbytesdisplay = display_size($maxbytes, 0);
|
|
|
901 |
throw new file_exception('maxbytesfile', (object) array('file' => $filerecord['filename'],
|
|
|
902 |
'size' => $maxbytesdisplay));
|
|
|
903 |
}
|
|
|
904 |
// Validate the size of the draft area.
|
|
|
905 |
if (file_is_draft_area_limit_reached($draftitemid, $areamaxbytes, $stored_file->get_filesize())) {
|
|
|
906 |
throw new file_exception('maxareabytes');
|
|
|
907 |
}
|
|
|
908 |
|
|
|
909 |
if (repository::draftfile_exists($draftitemid, $new_filepath, $new_filename)) {
|
|
|
910 |
// create new file
|
|
|
911 |
$unused_filename = repository::get_unused_filename($draftitemid, $new_filepath, $new_filename);
|
|
|
912 |
$filerecord['filename'] = $unused_filename;
|
|
|
913 |
$fs->create_file_from_storedfile($filerecord, $stored_file);
|
|
|
914 |
$event = array();
|
|
|
915 |
$event['event'] = 'fileexists';
|
|
|
916 |
$event['newfile'] = new stdClass;
|
|
|
917 |
$event['newfile']->filepath = $new_filepath;
|
|
|
918 |
$event['newfile']->filename = $unused_filename;
|
|
|
919 |
$event['newfile']->url = moodle_url::make_draftfile_url($draftitemid, $new_filepath, $unused_filename)->out();
|
|
|
920 |
$event['existingfile'] = new stdClass;
|
|
|
921 |
$event['existingfile']->filepath = $new_filepath;
|
|
|
922 |
$event['existingfile']->filename = $new_filename;
|
|
|
923 |
$event['existingfile']->url = moodle_url::make_draftfile_url($draftitemid, $new_filepath, $new_filename)->out();
|
|
|
924 |
return $event;
|
|
|
925 |
} else {
|
|
|
926 |
$fs->create_file_from_storedfile($filerecord, $stored_file);
|
|
|
927 |
$info = array();
|
|
|
928 |
$info['itemid'] = $draftitemid;
|
|
|
929 |
$info['file'] = $new_filename;
|
|
|
930 |
$info['title'] = $new_filename;
|
|
|
931 |
$info['contextid'] = $user_context->id;
|
|
|
932 |
$info['url'] = moodle_url::make_draftfile_url($draftitemid, $new_filepath, $new_filename)->out();
|
|
|
933 |
$info['filesize'] = $stored_file->get_filesize();
|
|
|
934 |
return $info;
|
|
|
935 |
}
|
|
|
936 |
}
|
|
|
937 |
|
|
|
938 |
/**
|
|
|
939 |
* Get an unused filename from the current draft area.
|
|
|
940 |
*
|
|
|
941 |
* Will check if the file ends with ([0-9]) and increase the number.
|
|
|
942 |
*
|
|
|
943 |
* @static
|
|
|
944 |
* @param int $itemid draft item ID.
|
|
|
945 |
* @param string $filepath path to the file.
|
|
|
946 |
* @param string $filename name of the file.
|
|
|
947 |
* @return string an unused file name.
|
|
|
948 |
*/
|
|
|
949 |
public static function get_unused_filename($itemid, $filepath, $filename) {
|
|
|
950 |
global $USER;
|
|
|
951 |
$contextid = context_user::instance($USER->id)->id;
|
|
|
952 |
$fs = get_file_storage();
|
|
|
953 |
return $fs->get_unused_filename($contextid, 'user', 'draft', $itemid, $filepath, $filename);
|
|
|
954 |
}
|
|
|
955 |
|
|
|
956 |
/**
|
|
|
957 |
* Append a suffix to filename.
|
|
|
958 |
*
|
|
|
959 |
* @static
|
|
|
960 |
* @param string $filename
|
|
|
961 |
* @return string
|
|
|
962 |
* @deprecated since 2.5
|
|
|
963 |
*/
|
|
|
964 |
public static function append_suffix($filename) {
|
|
|
965 |
debugging('The function repository::append_suffix() has been deprecated. Use repository::get_unused_filename() instead.',
|
|
|
966 |
DEBUG_DEVELOPER);
|
|
|
967 |
$pathinfo = pathinfo($filename);
|
|
|
968 |
if (empty($pathinfo['extension'])) {
|
|
|
969 |
return $filename . RENAME_SUFFIX;
|
|
|
970 |
} else {
|
|
|
971 |
return $pathinfo['filename'] . RENAME_SUFFIX . '.' . $pathinfo['extension'];
|
|
|
972 |
}
|
|
|
973 |
}
|
|
|
974 |
|
|
|
975 |
/**
|
|
|
976 |
* Return all types that you a user can create/edit and which are also visible
|
|
|
977 |
* Note: Mostly used in order to know if at least one editable type can be set
|
|
|
978 |
*
|
|
|
979 |
* @static
|
|
|
980 |
* @param stdClass $context the context for which we want the editable types
|
|
|
981 |
* @return array types
|
|
|
982 |
*/
|
|
|
983 |
public static function get_editable_types($context = null) {
|
|
|
984 |
|
|
|
985 |
if (empty($context)) {
|
|
|
986 |
$context = context_system::instance();
|
|
|
987 |
}
|
|
|
988 |
|
|
|
989 |
$types= repository::get_types(true);
|
|
|
990 |
$editabletypes = array();
|
|
|
991 |
foreach ($types as $type) {
|
|
|
992 |
$instanceoptionnames = repository::static_function($type->get_typename(), 'get_instance_option_names');
|
|
|
993 |
if (!empty($instanceoptionnames)) {
|
|
|
994 |
if ($type->get_contextvisibility($context)) {
|
|
|
995 |
$editabletypes[]=$type;
|
|
|
996 |
}
|
|
|
997 |
}
|
|
|
998 |
}
|
|
|
999 |
return $editabletypes;
|
|
|
1000 |
}
|
|
|
1001 |
|
|
|
1002 |
/**
|
|
|
1003 |
* Return repository instances
|
|
|
1004 |
*
|
|
|
1005 |
* @static
|
|
|
1006 |
* @param array $args Array containing the following keys:
|
|
|
1007 |
* currentcontext : instance of context (default system context)
|
|
|
1008 |
* context : array of instances of context (default empty array)
|
|
|
1009 |
* onlyvisible : bool (default true)
|
|
|
1010 |
* type : string return instances of this type only
|
|
|
1011 |
* accepted_types : string|array return instances that contain files of those types (*, web_image, .pdf, ...)
|
|
|
1012 |
* return_types : int combination of FILE_INTERNAL & FILE_EXTERNAL & FILE_REFERENCE & FILE_CONTROLLED_LINK.
|
|
|
1013 |
* 0 means every type. The default is FILE_INTERNAL | FILE_EXTERNAL.
|
|
|
1014 |
* userid : int if specified, instances belonging to other users will not be returned
|
|
|
1015 |
*
|
|
|
1016 |
* @return array repository instances
|
|
|
1017 |
*/
|
|
|
1018 |
public static function get_instances($args = array()) {
|
|
|
1019 |
global $DB, $CFG, $USER;
|
|
|
1020 |
|
|
|
1021 |
// Fill $args attributes with default values unless specified
|
|
|
1022 |
if (isset($args['currentcontext'])) {
|
|
|
1023 |
if ($args['currentcontext'] instanceof context) {
|
|
|
1024 |
$current_context = $args['currentcontext'];
|
|
|
1025 |
} else {
|
|
|
1026 |
debugging('currentcontext passed to repository::get_instances was ' .
|
|
|
1027 |
'not a context object. Using system context instead, but ' .
|
|
|
1028 |
'you should probably fix your code.', DEBUG_DEVELOPER);
|
|
|
1029 |
$current_context = context_system::instance();
|
|
|
1030 |
}
|
|
|
1031 |
} else {
|
|
|
1032 |
$current_context = context_system::instance();
|
|
|
1033 |
}
|
|
|
1034 |
$args['currentcontext'] = $current_context->id;
|
|
|
1035 |
$contextids = array();
|
|
|
1036 |
if (!empty($args['context'])) {
|
|
|
1037 |
foreach ($args['context'] as $context) {
|
|
|
1038 |
$contextids[] = $context->id;
|
|
|
1039 |
}
|
|
|
1040 |
}
|
|
|
1041 |
$args['context'] = $contextids;
|
|
|
1042 |
if (!isset($args['onlyvisible'])) {
|
|
|
1043 |
$args['onlyvisible'] = true;
|
|
|
1044 |
}
|
|
|
1045 |
if (!isset($args['return_types'])) {
|
|
|
1046 |
$args['return_types'] = FILE_INTERNAL | FILE_EXTERNAL;
|
|
|
1047 |
}
|
|
|
1048 |
if (!isset($args['type'])) {
|
|
|
1049 |
$args['type'] = null;
|
|
|
1050 |
}
|
|
|
1051 |
if (empty($args['disable_types']) || !is_array($args['disable_types'])) {
|
|
|
1052 |
$args['disable_types'] = null;
|
|
|
1053 |
}
|
|
|
1054 |
if (empty($args['userid']) || !is_numeric($args['userid'])) {
|
|
|
1055 |
$args['userid'] = null;
|
|
|
1056 |
}
|
|
|
1057 |
if (!isset($args['accepted_types']) || (is_array($args['accepted_types']) && in_array('*', $args['accepted_types']))) {
|
|
|
1058 |
$args['accepted_types'] = '*';
|
|
|
1059 |
}
|
|
|
1060 |
ksort($args);
|
|
|
1061 |
$cachekey = 'all:'. serialize($args);
|
|
|
1062 |
|
|
|
1063 |
// Check if we have cached list of repositories with the same query
|
|
|
1064 |
$cache = cache::make('core', 'repositories');
|
|
|
1065 |
if (($cachedrepositories = $cache->get($cachekey)) !== false) {
|
|
|
1066 |
// convert from cacheable_object_array to array
|
|
|
1067 |
$repositories = array();
|
|
|
1068 |
foreach ($cachedrepositories as $repository) {
|
|
|
1069 |
$repositories[$repository->id] = $repository;
|
|
|
1070 |
}
|
|
|
1071 |
return $repositories;
|
|
|
1072 |
}
|
|
|
1073 |
|
|
|
1074 |
// Prepare DB SQL query to retrieve repositories
|
|
|
1075 |
$params = array();
|
|
|
1076 |
$sql = "SELECT i.*, r.type AS repositorytype, r.sortorder, r.visible
|
|
|
1077 |
FROM {repository} r, {repository_instances} i
|
|
|
1078 |
WHERE i.typeid = r.id ";
|
|
|
1079 |
|
|
|
1080 |
if ($args['disable_types']) {
|
|
|
1081 |
list($types, $p) = $DB->get_in_or_equal($args['disable_types'], SQL_PARAMS_NAMED, 'distype', false);
|
|
|
1082 |
$sql .= " AND r.type $types";
|
|
|
1083 |
$params = array_merge($params, $p);
|
|
|
1084 |
}
|
|
|
1085 |
|
|
|
1086 |
if ($args['userid']) {
|
|
|
1087 |
$sql .= " AND (i.userid = 0 or i.userid = :userid)";
|
|
|
1088 |
$params['userid'] = $args['userid'];
|
|
|
1089 |
}
|
|
|
1090 |
|
|
|
1091 |
if ($args['context']) {
|
|
|
1092 |
list($ctxsql, $p2) = $DB->get_in_or_equal($args['context'], SQL_PARAMS_NAMED, 'ctx');
|
|
|
1093 |
$sql .= " AND i.contextid $ctxsql";
|
|
|
1094 |
$params = array_merge($params, $p2);
|
|
|
1095 |
}
|
|
|
1096 |
|
|
|
1097 |
if ($args['onlyvisible'] == true) {
|
|
|
1098 |
$sql .= " AND r.visible = 1";
|
|
|
1099 |
}
|
|
|
1100 |
|
|
|
1101 |
if ($args['type'] !== null) {
|
|
|
1102 |
$sql .= " AND r.type = :type";
|
|
|
1103 |
$params['type'] = $args['type'];
|
|
|
1104 |
}
|
|
|
1105 |
$sql .= " ORDER BY r.sortorder, i.name";
|
|
|
1106 |
|
|
|
1107 |
if (!$records = $DB->get_records_sql($sql, $params)) {
|
|
|
1108 |
$records = array();
|
|
|
1109 |
}
|
|
|
1110 |
|
|
|
1111 |
$repositories = array();
|
|
|
1112 |
// Sortorder should be unique, which is not true if we use $record->sortorder
|
|
|
1113 |
// and there are multiple instances of any repository type
|
|
|
1114 |
$sortorder = 1;
|
|
|
1115 |
foreach ($records as $record) {
|
|
|
1116 |
$cache->set('i:'. $record->id, $record);
|
|
|
1117 |
if (!file_exists($CFG->dirroot . '/repository/'. $record->repositorytype.'/lib.php')) {
|
|
|
1118 |
continue;
|
|
|
1119 |
}
|
|
|
1120 |
$repository = self::get_repository_by_id($record->id, $current_context);
|
|
|
1121 |
$repository->options['sortorder'] = $sortorder++;
|
|
|
1122 |
|
|
|
1123 |
$is_supported = true;
|
|
|
1124 |
|
|
|
1125 |
// check mimetypes
|
|
|
1126 |
if ($args['accepted_types'] !== '*' and $repository->supported_filetypes() !== '*') {
|
|
|
1127 |
$accepted_ext = file_get_typegroup('extension', $args['accepted_types']);
|
|
|
1128 |
$supported_ext = file_get_typegroup('extension', $repository->supported_filetypes());
|
|
|
1129 |
$valid_ext = array_intersect($accepted_ext, $supported_ext);
|
|
|
1130 |
$is_supported = !empty($valid_ext);
|
|
|
1131 |
}
|
|
|
1132 |
// Check return values.
|
|
|
1133 |
if (!empty($args['return_types']) && !($repository->supported_returntypes() & $args['return_types'])) {
|
|
|
1134 |
$is_supported = false;
|
|
|
1135 |
}
|
|
|
1136 |
|
|
|
1137 |
if (!$args['onlyvisible'] || ($repository->is_visible() && !$repository->disabled)) {
|
|
|
1138 |
// check capability in current context
|
|
|
1139 |
$capability = has_capability('repository/'.$record->repositorytype.':view', $current_context);
|
|
|
1140 |
if ($record->repositorytype == 'coursefiles') {
|
|
|
1141 |
// coursefiles plugin needs managefiles permission
|
|
|
1142 |
$capability = $capability && has_capability('moodle/course:managefiles', $current_context);
|
|
|
1143 |
}
|
|
|
1144 |
if ($is_supported && $capability) {
|
|
|
1145 |
$repositories[$repository->id] = $repository;
|
|
|
1146 |
}
|
|
|
1147 |
}
|
|
|
1148 |
}
|
|
|
1149 |
$cache->set($cachekey, new cacheable_object_array($repositories));
|
|
|
1150 |
return $repositories;
|
|
|
1151 |
}
|
|
|
1152 |
|
|
|
1153 |
/**
|
|
|
1154 |
* Get single repository instance for administrative actions
|
|
|
1155 |
*
|
|
|
1156 |
* Do not use this function to access repository contents, because it
|
|
|
1157 |
* does not set the current context
|
|
|
1158 |
*
|
|
|
1159 |
* @see repository::get_repository_by_id()
|
|
|
1160 |
*
|
|
|
1161 |
* @static
|
|
|
1162 |
* @param integer $id repository instance id
|
|
|
1163 |
* @return repository
|
|
|
1164 |
*/
|
|
|
1165 |
public static function get_instance($id) {
|
|
|
1166 |
return self::get_repository_by_id($id, context_system::instance());
|
|
|
1167 |
}
|
|
|
1168 |
|
|
|
1169 |
/**
|
|
|
1170 |
* Call a static function. Any additional arguments than plugin and function will be passed through.
|
|
|
1171 |
*
|
|
|
1172 |
* @static
|
|
|
1173 |
* @param string $plugin repository plugin name
|
|
|
1174 |
* @param string $function function name
|
|
|
1175 |
* @return mixed
|
|
|
1176 |
*/
|
|
|
1177 |
public static function static_function($plugin, $function) {
|
|
|
1178 |
global $CFG;
|
|
|
1179 |
|
|
|
1180 |
//check that the plugin exists
|
|
|
1181 |
$typedirectory = $CFG->dirroot . '/repository/'. $plugin . '/lib.php';
|
|
|
1182 |
if (!file_exists($typedirectory)) {
|
|
|
1183 |
//throw new repository_exception('invalidplugin', 'repository');
|
|
|
1184 |
return false;
|
|
|
1185 |
}
|
|
|
1186 |
|
|
|
1187 |
$args = func_get_args();
|
|
|
1188 |
if (count($args) <= 2) {
|
|
|
1189 |
$args = array();
|
|
|
1190 |
} else {
|
|
|
1191 |
array_shift($args);
|
|
|
1192 |
array_shift($args);
|
|
|
1193 |
}
|
|
|
1194 |
|
|
|
1195 |
require_once($typedirectory);
|
|
|
1196 |
return call_user_func_array(array('repository_' . $plugin, $function), $args);
|
|
|
1197 |
}
|
|
|
1198 |
|
|
|
1199 |
/**
|
|
|
1200 |
* Scan file, throws exception in case of infected file.
|
|
|
1201 |
*
|
|
|
1202 |
* Please note that the scanning engine must be able to access the file,
|
|
|
1203 |
* permissions of the file are not modified here!
|
|
|
1204 |
*
|
|
|
1205 |
* @static
|
|
|
1206 |
* @deprecated since Moodle 3.0
|
|
|
1207 |
* @param string $thefile
|
|
|
1208 |
* @param string $filename name of the file
|
|
|
1209 |
* @param bool $deleteinfected
|
|
|
1210 |
*/
|
|
|
1211 |
public static function antivir_scan_file($thefile, $filename, $deleteinfected) {
|
|
|
1212 |
debugging('Please upgrade your code to use \core\antivirus\manager::scan_file instead', DEBUG_DEVELOPER);
|
|
|
1213 |
\core\antivirus\manager::scan_file($thefile, $filename, $deleteinfected);
|
|
|
1214 |
}
|
|
|
1215 |
|
|
|
1216 |
/**
|
|
|
1217 |
* Repository method to serve the referenced file
|
|
|
1218 |
*
|
|
|
1219 |
* @see send_stored_file
|
|
|
1220 |
*
|
|
|
1221 |
* @param stored_file $storedfile the file that contains the reference
|
|
|
1222 |
* @param int $lifetime Number of seconds before the file should expire from caches (null means $CFG->filelifetime)
|
|
|
1223 |
* @param int $filter 0 (default)=no filtering, 1=all files, 2=html files only
|
|
|
1224 |
* @param bool $forcedownload If true (default false), forces download of file rather than view in browser/plugin
|
|
|
1225 |
* @param array $options additional options affecting the file serving
|
|
|
1226 |
*/
|
| 1441 |
ariadna |
1227 |
public function send_file($storedfile, $lifetime=null , $filter=0, $forcedownload=false, ?array $options = null) {
|
| 1 |
efrain |
1228 |
if ($this->has_moodle_files()) {
|
|
|
1229 |
$fs = get_file_storage();
|
|
|
1230 |
$params = file_storage::unpack_reference($storedfile->get_reference(), true);
|
|
|
1231 |
$srcfile = null;
|
|
|
1232 |
if (is_array($params)) {
|
|
|
1233 |
$srcfile = $fs->get_file($params['contextid'], $params['component'], $params['filearea'],
|
|
|
1234 |
$params['itemid'], $params['filepath'], $params['filename']);
|
|
|
1235 |
}
|
|
|
1236 |
if (empty($options)) {
|
|
|
1237 |
$options = array();
|
|
|
1238 |
}
|
|
|
1239 |
if (!isset($options['filename'])) {
|
|
|
1240 |
$options['filename'] = $storedfile->get_filename();
|
|
|
1241 |
}
|
|
|
1242 |
if (!$srcfile) {
|
|
|
1243 |
send_file_not_found();
|
|
|
1244 |
} else {
|
|
|
1245 |
send_stored_file($srcfile, $lifetime, $filter, $forcedownload, $options);
|
|
|
1246 |
}
|
|
|
1247 |
} else {
|
|
|
1248 |
throw new coding_exception("Repository plugin must implement send_file() method.");
|
|
|
1249 |
}
|
|
|
1250 |
}
|
|
|
1251 |
|
|
|
1252 |
/**
|
|
|
1253 |
* Return human readable reference information
|
|
|
1254 |
*
|
|
|
1255 |
* @param string $reference value of DB field files_reference.reference
|
|
|
1256 |
* @param int $filestatus status of the file, 0 - ok, 666 - source missing
|
|
|
1257 |
* @return string
|
|
|
1258 |
*/
|
|
|
1259 |
public function get_reference_details($reference, $filestatus = 0) {
|
|
|
1260 |
if ($this->has_moodle_files()) {
|
|
|
1261 |
$fileinfo = null;
|
|
|
1262 |
$params = file_storage::unpack_reference($reference, true);
|
|
|
1263 |
if (is_array($params)) {
|
|
|
1264 |
$context = context::instance_by_id($params['contextid'], IGNORE_MISSING);
|
|
|
1265 |
if ($context) {
|
|
|
1266 |
$browser = get_file_browser();
|
|
|
1267 |
$fileinfo = $browser->get_file_info($context, $params['component'], $params['filearea'], $params['itemid'], $params['filepath'], $params['filename']);
|
|
|
1268 |
}
|
|
|
1269 |
}
|
|
|
1270 |
if (empty($fileinfo)) {
|
|
|
1271 |
if ($filestatus == 666) {
|
|
|
1272 |
if (is_siteadmin() || ($context && has_capability('moodle/course:managefiles', $context))) {
|
|
|
1273 |
return get_string('lostsource', 'repository',
|
|
|
1274 |
$params['contextid']. '/'. $params['component']. '/'. $params['filearea']. '/'. $params['itemid']. $params['filepath']. $params['filename']);
|
|
|
1275 |
} else {
|
|
|
1276 |
return get_string('lostsource', 'repository', '');
|
|
|
1277 |
}
|
|
|
1278 |
}
|
|
|
1279 |
return get_string('undisclosedsource', 'repository');
|
|
|
1280 |
} else {
|
|
|
1281 |
return $fileinfo->get_readable_fullname();
|
|
|
1282 |
}
|
|
|
1283 |
}
|
|
|
1284 |
return '';
|
|
|
1285 |
}
|
|
|
1286 |
|
|
|
1287 |
/**
|
|
|
1288 |
* Cache file from external repository by reference
|
|
|
1289 |
* {@link repository::get_file_reference()}
|
|
|
1290 |
* {@link repository::get_file()}
|
|
|
1291 |
* Invoked at MOODLE/repository/repository_ajax.php
|
|
|
1292 |
*
|
|
|
1293 |
* @param string $reference this reference is generated by
|
|
|
1294 |
* repository::get_file_reference()
|
|
|
1295 |
* @param stored_file $storedfile created file reference
|
|
|
1296 |
*/
|
|
|
1297 |
public function cache_file_by_reference($reference, $storedfile) {
|
|
|
1298 |
}
|
|
|
1299 |
|
|
|
1300 |
/**
|
|
|
1301 |
* reference_file_selected
|
|
|
1302 |
*
|
|
|
1303 |
* This function is called when a controlled link file is selected in a file picker and the form is
|
|
|
1304 |
* saved. The expected behaviour for repositories supporting controlled links is to
|
|
|
1305 |
* - copy the file to the moodle system account
|
|
|
1306 |
* - put it in a folder that reflects the context it is being used
|
|
|
1307 |
* - make sure the sharing permissions are correct (read-only with the link)
|
|
|
1308 |
* - return a new reference string pointing to the newly copied file.
|
|
|
1309 |
*
|
|
|
1310 |
* @param string $reference this reference is generated by
|
|
|
1311 |
* repository::get_file_reference()
|
|
|
1312 |
* @param context $context the target context for this new file.
|
|
|
1313 |
* @param string $component the target component for this new file.
|
|
|
1314 |
* @param string $filearea the target filearea for this new file.
|
|
|
1315 |
* @param string $itemid the target itemid for this new file.
|
|
|
1316 |
* @return string updated reference (final one before it's saved to db).
|
|
|
1317 |
*/
|
|
|
1318 |
public function reference_file_selected($reference, $context, $component, $filearea, $itemid) {
|
|
|
1319 |
return $reference;
|
|
|
1320 |
}
|
|
|
1321 |
|
|
|
1322 |
/**
|
|
|
1323 |
* Return the source information
|
|
|
1324 |
*
|
|
|
1325 |
* The result of the function is stored in files.source field. It may be analysed
|
|
|
1326 |
* when the source file is lost or repository may use it to display human-readable
|
|
|
1327 |
* location of reference original.
|
|
|
1328 |
*
|
|
|
1329 |
* This method is called when file is picked for the first time only. When file
|
|
|
1330 |
* (either copy or a reference) is already in moodle and it is being picked
|
|
|
1331 |
* again to another file area (also as a copy or as a reference), the value of
|
|
|
1332 |
* files.source is copied.
|
|
|
1333 |
*
|
|
|
1334 |
* @param string $source source of the file, returned by repository as 'source' and received back from user (not cleaned)
|
|
|
1335 |
* @return string|null
|
|
|
1336 |
*/
|
|
|
1337 |
public function get_file_source_info($source) {
|
|
|
1338 |
if ($this->has_moodle_files()) {
|
|
|
1339 |
$reference = $this->get_file_reference($source);
|
|
|
1340 |
return $this->get_reference_details($reference, 0);
|
|
|
1341 |
}
|
|
|
1342 |
return $source;
|
|
|
1343 |
}
|
|
|
1344 |
|
|
|
1345 |
/**
|
|
|
1346 |
* Move file from download folder to file pool using FILE API
|
|
|
1347 |
*
|
|
|
1348 |
* @todo MDL-28637
|
|
|
1349 |
* @static
|
|
|
1350 |
* @param string $thefile file path in download folder
|
|
|
1351 |
* @param stdClass $record
|
|
|
1352 |
* @return array containing the following keys:
|
|
|
1353 |
* icon
|
|
|
1354 |
* file
|
|
|
1355 |
* id
|
|
|
1356 |
* url
|
|
|
1357 |
*/
|
|
|
1358 |
public static function move_to_filepool($thefile, $record) {
|
|
|
1359 |
global $DB, $CFG, $USER, $OUTPUT;
|
|
|
1360 |
|
|
|
1361 |
// scan for viruses if possible, throws exception if problem found
|
|
|
1362 |
// TODO: MDL-28637 this repository_no_delete is a bloody hack!
|
|
|
1363 |
\core\antivirus\manager::scan_file($thefile, $record->filename, empty($CFG->repository_no_delete));
|
|
|
1364 |
|
|
|
1365 |
$fs = get_file_storage();
|
|
|
1366 |
// If file name being used.
|
|
|
1367 |
if (repository::draftfile_exists($record->itemid, $record->filepath, $record->filename)) {
|
|
|
1368 |
$draftitemid = $record->itemid;
|
|
|
1369 |
$new_filename = repository::get_unused_filename($draftitemid, $record->filepath, $record->filename);
|
|
|
1370 |
$old_filename = $record->filename;
|
|
|
1371 |
// Create a tmp file.
|
|
|
1372 |
$record->filename = $new_filename;
|
|
|
1373 |
$newfile = $fs->create_file_from_pathname($record, $thefile);
|
|
|
1374 |
$event = array();
|
|
|
1375 |
$event['event'] = 'fileexists';
|
|
|
1376 |
$event['newfile'] = new stdClass;
|
|
|
1377 |
$event['newfile']->filepath = $record->filepath;
|
|
|
1378 |
$event['newfile']->filename = $new_filename;
|
|
|
1379 |
$event['newfile']->url = moodle_url::make_draftfile_url($draftitemid, $record->filepath, $new_filename)->out();
|
|
|
1380 |
|
|
|
1381 |
$event['existingfile'] = new stdClass;
|
|
|
1382 |
$event['existingfile']->filepath = $record->filepath;
|
|
|
1383 |
$event['existingfile']->filename = $old_filename;
|
|
|
1384 |
$event['existingfile']->url = moodle_url::make_draftfile_url($draftitemid, $record->filepath, $old_filename)->out();
|
|
|
1385 |
return $event;
|
|
|
1386 |
}
|
|
|
1387 |
if ($file = $fs->create_file_from_pathname($record, $thefile)) {
|
|
|
1388 |
if (empty($CFG->repository_no_delete)) {
|
|
|
1389 |
$delete = unlink($thefile);
|
|
|
1390 |
unset($CFG->repository_no_delete);
|
|
|
1391 |
}
|
|
|
1392 |
return array(
|
|
|
1393 |
'url'=>moodle_url::make_draftfile_url($file->get_itemid(), $file->get_filepath(), $file->get_filename())->out(),
|
|
|
1394 |
'id'=>$file->get_itemid(),
|
|
|
1395 |
'file'=>$file->get_filename(),
|
|
|
1396 |
'icon' => $OUTPUT->image_url(file_extension_icon($thefile))->out(),
|
|
|
1397 |
);
|
|
|
1398 |
} else {
|
|
|
1399 |
return null;
|
|
|
1400 |
}
|
|
|
1401 |
}
|
|
|
1402 |
|
|
|
1403 |
/**
|
|
|
1404 |
* Builds a tree of files This function is then called recursively.
|
|
|
1405 |
*
|
|
|
1406 |
* @static
|
|
|
1407 |
* @todo take $search into account, and respect a threshold for dynamic loading
|
|
|
1408 |
* @param file_info $fileinfo an object returned by file_browser::get_file_info()
|
|
|
1409 |
* @param string $search searched string
|
|
|
1410 |
* @param bool $dynamicmode no recursive call is done when in dynamic mode
|
|
|
1411 |
* @param array $list the array containing the files under the passed $fileinfo
|
|
|
1412 |
* @return int the number of files found
|
|
|
1413 |
*/
|
|
|
1414 |
public static function build_tree($fileinfo, $search, $dynamicmode, &$list) {
|
|
|
1415 |
global $CFG, $OUTPUT;
|
|
|
1416 |
|
|
|
1417 |
$filecount = 0;
|
|
|
1418 |
$children = $fileinfo->get_children();
|
|
|
1419 |
|
|
|
1420 |
foreach ($children as $child) {
|
|
|
1421 |
$filename = $child->get_visible_name();
|
|
|
1422 |
$filesize = $child->get_filesize();
|
|
|
1423 |
$filesize = $filesize ? display_size($filesize) : '';
|
|
|
1424 |
$filedate = $child->get_timemodified();
|
|
|
1425 |
$filedate = $filedate ? userdate($filedate) : '';
|
|
|
1426 |
$filetype = $child->get_mimetype();
|
|
|
1427 |
|
|
|
1428 |
if ($child->is_directory()) {
|
|
|
1429 |
$path = array();
|
|
|
1430 |
$level = $child->get_parent();
|
|
|
1431 |
while ($level) {
|
|
|
1432 |
$params = $level->get_params();
|
|
|
1433 |
$path[] = array($params['filepath'], $level->get_visible_name());
|
|
|
1434 |
$level = $level->get_parent();
|
|
|
1435 |
}
|
|
|
1436 |
|
|
|
1437 |
$tmp = array(
|
|
|
1438 |
'title' => $child->get_visible_name(),
|
|
|
1439 |
'size' => 0,
|
|
|
1440 |
'date' => $filedate,
|
|
|
1441 |
'path' => array_reverse($path),
|
|
|
1442 |
'thumbnail' => $OUTPUT->image_url(file_folder_icon())->out(false)
|
|
|
1443 |
);
|
|
|
1444 |
|
|
|
1445 |
//if ($dynamicmode && $child->is_writable()) {
|
|
|
1446 |
// $tmp['children'] = array();
|
|
|
1447 |
//} else {
|
|
|
1448 |
// if folder name matches search, we send back all files contained.
|
|
|
1449 |
$_search = $search;
|
|
|
1450 |
if ($search && stristr($tmp['title'], $search) !== false) {
|
|
|
1451 |
$_search = false;
|
|
|
1452 |
}
|
|
|
1453 |
$tmp['children'] = array();
|
|
|
1454 |
$_filecount = repository::build_tree($child, $_search, $dynamicmode, $tmp['children']);
|
|
|
1455 |
if ($search && $_filecount) {
|
|
|
1456 |
$tmp['expanded'] = 1;
|
|
|
1457 |
}
|
|
|
1458 |
|
|
|
1459 |
//}
|
|
|
1460 |
|
|
|
1461 |
if (!$search || $_filecount || (stristr($tmp['title'], $search) !== false)) {
|
|
|
1462 |
$filecount += $_filecount;
|
|
|
1463 |
$list[] = $tmp;
|
|
|
1464 |
}
|
|
|
1465 |
|
|
|
1466 |
} else { // not a directory
|
|
|
1467 |
// skip the file, if we're in search mode and it's not a match
|
|
|
1468 |
if ($search && (stristr($filename, $search) === false)) {
|
|
|
1469 |
continue;
|
|
|
1470 |
}
|
|
|
1471 |
$params = $child->get_params();
|
|
|
1472 |
$source = serialize(array($params['contextid'], $params['component'], $params['filearea'], $params['itemid'], $params['filepath'], $params['filename']));
|
|
|
1473 |
$list[] = array(
|
|
|
1474 |
'title' => $filename,
|
|
|
1475 |
'size' => $filesize,
|
|
|
1476 |
'date' => $filedate,
|
|
|
1477 |
//'source' => $child->get_url(),
|
|
|
1478 |
'source' => base64_encode($source),
|
|
|
1479 |
'icon' => $OUTPUT->image_url(file_file_icon($child))->out(false),
|
|
|
1480 |
'thumbnail' => $OUTPUT->image_url(file_file_icon($child))->out(false),
|
|
|
1481 |
);
|
|
|
1482 |
$filecount++;
|
|
|
1483 |
}
|
|
|
1484 |
}
|
|
|
1485 |
|
|
|
1486 |
return $filecount;
|
|
|
1487 |
}
|
|
|
1488 |
|
|
|
1489 |
/**
|
|
|
1490 |
* Display a repository instance list (with edit/delete/create links)
|
|
|
1491 |
*
|
|
|
1492 |
* @static
|
|
|
1493 |
* @param stdClass $context the context for which we display the instance
|
|
|
1494 |
* @param string $typename if set, we display only one type of instance
|
|
|
1495 |
*/
|
|
|
1496 |
public static function display_instances_list($context, $typename = null) {
|
|
|
1497 |
global $CFG, $USER, $OUTPUT;
|
|
|
1498 |
|
|
|
1499 |
$output = $OUTPUT->box_start('generalbox');
|
|
|
1500 |
//if the context is SYSTEM, so we call it from administration page
|
|
|
1501 |
$admin = ($context->id == SYSCONTEXTID) ? true : false;
|
|
|
1502 |
if ($admin) {
|
|
|
1503 |
$baseurl = new moodle_url('/admin/repositoryinstance.php');
|
|
|
1504 |
$output .= $OUTPUT->heading(get_string('siteinstances', 'repository'));
|
|
|
1505 |
} else {
|
|
|
1506 |
$baseurl = new moodle_url('/repository/manage_instances.php', ['contextid' => $context->id]);
|
|
|
1507 |
}
|
|
|
1508 |
|
|
|
1509 |
$namestr = get_string('name');
|
|
|
1510 |
$pluginstr = get_string('plugin', 'repository');
|
|
|
1511 |
$settingsstr = get_string('settings');
|
|
|
1512 |
$deletestr = get_string('delete');
|
|
|
1513 |
// Retrieve list of instances. In administration context we want to display all
|
|
|
1514 |
// instances of a type, even if this type is not visible. In course/user context we
|
|
|
1515 |
// want to display only visible instances, but for every type types. The repository::get_instances()
|
|
|
1516 |
// third parameter displays only visible type.
|
|
|
1517 |
$params = array();
|
|
|
1518 |
$params['context'] = array($context);
|
|
|
1519 |
$params['currentcontext'] = $context;
|
|
|
1520 |
$params['return_types'] = 0;
|
|
|
1521 |
$params['onlyvisible'] = !$admin;
|
|
|
1522 |
$params['type'] = $typename;
|
|
|
1523 |
$instances = repository::get_instances($params);
|
|
|
1524 |
$instancesnumber = count($instances);
|
|
|
1525 |
$alreadyplugins = array();
|
|
|
1526 |
|
|
|
1527 |
$table = new html_table();
|
|
|
1528 |
$table->head = array($namestr, $pluginstr, $settingsstr, $deletestr);
|
|
|
1529 |
$table->align = array('left', 'left', 'center','center');
|
|
|
1530 |
$table->data = array();
|
|
|
1531 |
|
|
|
1532 |
$updowncount = 1;
|
|
|
1533 |
|
|
|
1534 |
foreach ($instances as $i) {
|
|
|
1535 |
$settings = '';
|
|
|
1536 |
$delete = '';
|
|
|
1537 |
|
|
|
1538 |
$type = repository::get_type_by_id($i->options['typeid']);
|
|
|
1539 |
|
|
|
1540 |
if ($type->get_contextvisibility($context)) {
|
|
|
1541 |
if (!$i->readonly) {
|
|
|
1542 |
|
|
|
1543 |
$settingurl = new moodle_url($baseurl);
|
|
|
1544 |
$settingurl->param('type', $i->options['type']);
|
|
|
1545 |
$settingurl->param('edit', $i->id);
|
|
|
1546 |
$settings .= html_writer::link($settingurl, $settingsstr);
|
|
|
1547 |
|
|
|
1548 |
$deleteurl = new moodle_url($baseurl);
|
|
|
1549 |
$deleteurl->param('delete', $i->id);
|
|
|
1550 |
$deleteurl->param('type', $i->options['type']);
|
|
|
1551 |
$delete .= html_writer::link($deleteurl, $deletestr);
|
|
|
1552 |
}
|
|
|
1553 |
}
|
|
|
1554 |
|
|
|
1555 |
$type = repository::get_type_by_id($i->options['typeid']);
|
|
|
1556 |
$table->data[] = array(format_string($i->name), $type->get_readablename(), $settings, $delete);
|
|
|
1557 |
|
|
|
1558 |
//display a grey row if the type is defined as not visible
|
|
|
1559 |
if (isset($type) && !$type->get_visible()) {
|
|
|
1560 |
$table->rowclasses[] = 'dimmed_text';
|
|
|
1561 |
} else {
|
|
|
1562 |
$table->rowclasses[] = '';
|
|
|
1563 |
}
|
|
|
1564 |
|
|
|
1565 |
if (!in_array($i->name, $alreadyplugins)) {
|
|
|
1566 |
$alreadyplugins[] = $i->name;
|
|
|
1567 |
}
|
|
|
1568 |
}
|
|
|
1569 |
$output .= html_writer::table($table);
|
|
|
1570 |
$instancehtml = '<div>';
|
|
|
1571 |
$addable = 0;
|
|
|
1572 |
|
|
|
1573 |
//if no type is set, we can create all type of instance
|
|
|
1574 |
if (!$typename) {
|
|
|
1575 |
$instancehtml .= '<h3>';
|
|
|
1576 |
$instancehtml .= get_string('createrepository', 'repository');
|
|
|
1577 |
$instancehtml .= '</h3><ul>';
|
|
|
1578 |
$types = repository::get_editable_types($context);
|
|
|
1579 |
foreach ($types as $type) {
|
|
|
1580 |
if (!empty($type) && $type->get_visible()) {
|
|
|
1581 |
// If the user does not have the permission to view the repository, it won't be displayed in
|
|
|
1582 |
// the list of instances. Hiding the link to create new instances will prevent the
|
|
|
1583 |
// user from creating them without being able to find them afterwards, which looks like a bug.
|
|
|
1584 |
if (!has_capability('repository/'.$type->get_typename().':view', $context)) {
|
|
|
1585 |
continue;
|
|
|
1586 |
}
|
|
|
1587 |
$instanceoptionnames = repository::static_function($type->get_typename(), 'get_instance_option_names');
|
|
|
1588 |
if (!empty($instanceoptionnames)) {
|
|
|
1589 |
$baseurl->param('new', $type->get_typename());
|
|
|
1590 |
$instancehtml .= '<li><a href="'.$baseurl->out().'">'.get_string('createxxinstance', 'repository', get_string('pluginname', 'repository_'.$type->get_typename())). '</a></li>';
|
|
|
1591 |
$baseurl->remove_params('new');
|
|
|
1592 |
$addable++;
|
|
|
1593 |
}
|
|
|
1594 |
}
|
|
|
1595 |
}
|
|
|
1596 |
$instancehtml .= '</ul>';
|
|
|
1597 |
|
|
|
1598 |
} else {
|
|
|
1599 |
$instanceoptionnames = repository::static_function($typename, 'get_instance_option_names');
|
|
|
1600 |
if (!empty($instanceoptionnames)) { //create a unique type of instance
|
|
|
1601 |
$addable = 1;
|
|
|
1602 |
$baseurl->param('new', $typename);
|
|
|
1603 |
$output .= $OUTPUT->single_button($baseurl, get_string('createinstance', 'repository'), 'get');
|
|
|
1604 |
$baseurl->remove_params('new');
|
|
|
1605 |
}
|
|
|
1606 |
}
|
|
|
1607 |
|
|
|
1608 |
if ($addable) {
|
|
|
1609 |
$instancehtml .= '</div>';
|
|
|
1610 |
$output .= $instancehtml;
|
|
|
1611 |
}
|
|
|
1612 |
|
|
|
1613 |
$output .= $OUTPUT->box_end();
|
|
|
1614 |
|
|
|
1615 |
//print the list + creation links
|
|
|
1616 |
print($output);
|
|
|
1617 |
}
|
|
|
1618 |
|
|
|
1619 |
/**
|
|
|
1620 |
* Prepare file reference information
|
|
|
1621 |
*
|
|
|
1622 |
* @param string $source source of the file, returned by repository as 'source' and received back from user (not cleaned)
|
|
|
1623 |
* @return string file reference, ready to be stored
|
|
|
1624 |
*/
|
|
|
1625 |
public function get_file_reference($source) {
|
|
|
1626 |
if ($source && $this->has_moodle_files()) {
|
|
|
1627 |
$params = @json_decode(base64_decode($source), true);
|
|
|
1628 |
if (!is_array($params) || empty($params['contextid'])) {
|
|
|
1629 |
throw new repository_exception('invalidparams', 'repository');
|
|
|
1630 |
}
|
|
|
1631 |
$params = array(
|
|
|
1632 |
'component' => empty($params['component']) ? '' : clean_param($params['component'], PARAM_COMPONENT),
|
|
|
1633 |
'filearea' => empty($params['filearea']) ? '' : clean_param($params['filearea'], PARAM_AREA),
|
|
|
1634 |
'itemid' => empty($params['itemid']) ? 0 : clean_param($params['itemid'], PARAM_INT),
|
|
|
1635 |
'filename' => empty($params['filename']) ? null : clean_param($params['filename'], PARAM_FILE),
|
|
|
1636 |
'filepath' => empty($params['filepath']) ? null : clean_param($params['filepath'], PARAM_PATH),
|
|
|
1637 |
'contextid' => clean_param($params['contextid'], PARAM_INT)
|
|
|
1638 |
);
|
|
|
1639 |
// Check if context exists.
|
|
|
1640 |
if (!context::instance_by_id($params['contextid'], IGNORE_MISSING)) {
|
|
|
1641 |
throw new repository_exception('invalidparams', 'repository');
|
|
|
1642 |
}
|
|
|
1643 |
return file_storage::pack_reference($params);
|
|
|
1644 |
}
|
|
|
1645 |
return $source;
|
|
|
1646 |
}
|
|
|
1647 |
|
|
|
1648 |
/**
|
|
|
1649 |
* Get a unique file path in which to save the file.
|
|
|
1650 |
*
|
|
|
1651 |
* The filename returned will be removed at the end of the request and
|
|
|
1652 |
* should not be relied upon to exist in subsequent requests.
|
|
|
1653 |
*
|
|
|
1654 |
* @param string $filename file name
|
|
|
1655 |
* @return file path
|
|
|
1656 |
*/
|
|
|
1657 |
public function prepare_file($filename) {
|
|
|
1658 |
if (empty($filename)) {
|
|
|
1659 |
$filename = 'file';
|
|
|
1660 |
}
|
|
|
1661 |
return sprintf('%s/%s', make_request_directory(), $filename);
|
|
|
1662 |
}
|
|
|
1663 |
|
|
|
1664 |
/**
|
|
|
1665 |
* Does this repository used to browse moodle files?
|
|
|
1666 |
*
|
|
|
1667 |
* @return bool
|
|
|
1668 |
*/
|
|
|
1669 |
public function has_moodle_files() {
|
|
|
1670 |
return false;
|
|
|
1671 |
}
|
|
|
1672 |
|
|
|
1673 |
/**
|
|
|
1674 |
* Return file URL, for most plugins, the parameter is the original
|
|
|
1675 |
* url, but some plugins use a file id, so we need this function to
|
|
|
1676 |
* convert file id to original url.
|
|
|
1677 |
*
|
|
|
1678 |
* @param string $url the url of file
|
|
|
1679 |
* @return string
|
|
|
1680 |
*/
|
|
|
1681 |
public function get_link($url) {
|
|
|
1682 |
return $url;
|
|
|
1683 |
}
|
|
|
1684 |
|
|
|
1685 |
/**
|
|
|
1686 |
* Downloads a file from external repository and saves it in temp dir
|
|
|
1687 |
*
|
|
|
1688 |
* Function get_file() must be implemented by repositories that support returntypes
|
|
|
1689 |
* FILE_INTERNAL or FILE_REFERENCE. It is invoked to pick up the file and copy it
|
|
|
1690 |
* to moodle. This function is not called for moodle repositories, the function
|
|
|
1691 |
* {@link repository::copy_to_area()} is used instead.
|
|
|
1692 |
*
|
|
|
1693 |
* This function can be overridden by subclass if the files.reference field contains
|
|
|
1694 |
* not just URL or if request should be done differently.
|
|
|
1695 |
*
|
|
|
1696 |
* @see curl
|
|
|
1697 |
* @throws file_exception when error occured
|
|
|
1698 |
*
|
|
|
1699 |
* @param string $url the content of files.reference field, in this implementaion
|
|
|
1700 |
* it is asssumed that it contains the string with URL of the file
|
|
|
1701 |
* @param string $filename filename (without path) to save the downloaded file in the
|
|
|
1702 |
* temporary directory, if omitted or file already exists the new filename will be generated
|
|
|
1703 |
* @return array with elements:
|
|
|
1704 |
* path: internal location of the file
|
|
|
1705 |
* url: URL to the source (from parameters)
|
|
|
1706 |
*/
|
|
|
1707 |
public function get_file($url, $filename = '') {
|
|
|
1708 |
global $CFG;
|
|
|
1709 |
|
|
|
1710 |
$path = $this->prepare_file($filename);
|
|
|
1711 |
$c = new curl;
|
|
|
1712 |
|
|
|
1713 |
$result = $c->download_one($url, null, array('filepath' => $path, 'timeout' => $CFG->repositorygetfiletimeout));
|
|
|
1714 |
if ($result !== true) {
|
|
|
1715 |
throw new moodle_exception('errorwhiledownload', 'repository', '', $result);
|
|
|
1716 |
}
|
|
|
1717 |
return array('path'=>$path, 'url'=>$url);
|
|
|
1718 |
}
|
|
|
1719 |
|
|
|
1720 |
/**
|
|
|
1721 |
* Downloads the file from external repository and saves it in moodle filepool.
|
|
|
1722 |
* This function is different from {@link repository::sync_reference()} because it has
|
|
|
1723 |
* bigger request timeout and always downloads the content.
|
|
|
1724 |
*
|
|
|
1725 |
* This function is invoked when we try to unlink the file from the source and convert
|
|
|
1726 |
* a reference into a true copy.
|
|
|
1727 |
*
|
|
|
1728 |
* @throws exception when file could not be imported
|
|
|
1729 |
*
|
|
|
1730 |
* @param stored_file $file
|
|
|
1731 |
* @param int $maxbytes throw an exception if file size is bigger than $maxbytes (0 means no limit)
|
|
|
1732 |
*/
|
|
|
1733 |
public function import_external_file_contents(stored_file $file, $maxbytes = 0) {
|
|
|
1734 |
if (!$file->is_external_file()) {
|
|
|
1735 |
// nothing to import if the file is not a reference
|
|
|
1736 |
return;
|
|
|
1737 |
} else if ($file->get_repository_id() != $this->id) {
|
|
|
1738 |
// error
|
|
|
1739 |
debugging('Repository instance id does not match');
|
|
|
1740 |
return;
|
|
|
1741 |
} else if ($this->has_moodle_files()) {
|
|
|
1742 |
// files that are references to local files are already in moodle filepool
|
|
|
1743 |
// just validate the size
|
|
|
1744 |
if ($maxbytes > 0 && $file->get_filesize() > $maxbytes) {
|
|
|
1745 |
$maxbytesdisplay = display_size($maxbytes, 0);
|
|
|
1746 |
throw new file_exception('maxbytesfile', (object) array('file' => $file->get_filename(),
|
|
|
1747 |
'size' => $maxbytesdisplay));
|
|
|
1748 |
}
|
|
|
1749 |
return;
|
|
|
1750 |
} else {
|
|
|
1751 |
if ($maxbytes > 0 && $file->get_filesize() > $maxbytes) {
|
|
|
1752 |
// note that stored_file::get_filesize() also calls synchronisation
|
|
|
1753 |
$maxbytesdisplay = display_size($maxbytes, 0);
|
|
|
1754 |
throw new file_exception('maxbytesfile', (object) array('file' => $file->get_filename(),
|
|
|
1755 |
'size' => $maxbytesdisplay));
|
|
|
1756 |
}
|
|
|
1757 |
$fs = get_file_storage();
|
|
|
1758 |
|
|
|
1759 |
// If a file has been downloaded, the file record should report both a positive file
|
|
|
1760 |
// size, and a contenthash which does not related to empty content.
|
|
|
1761 |
// If thereis no file size, or the contenthash is for an empty file, then the file has
|
|
|
1762 |
// yet to be successfully downloaded.
|
|
|
1763 |
$contentexists = $file->get_filesize() && !$file->compare_to_string('');
|
|
|
1764 |
|
|
|
1765 |
if (!$file->get_status() && $contentexists) {
|
|
|
1766 |
// we already have the content in moodle filepool and it was synchronised recently.
|
|
|
1767 |
// Repositories may overwrite it if they want to force synchronisation anyway!
|
|
|
1768 |
return;
|
|
|
1769 |
} else {
|
|
|
1770 |
// attempt to get a file
|
|
|
1771 |
try {
|
|
|
1772 |
$fileinfo = $this->get_file($file->get_reference());
|
|
|
1773 |
if (isset($fileinfo['path'])) {
|
|
|
1774 |
$file->set_synchronised_content_from_file($fileinfo['path']);
|
|
|
1775 |
} else {
|
|
|
1776 |
throw new moodle_exception('errorwhiledownload', 'repository', '', '');
|
|
|
1777 |
}
|
|
|
1778 |
} catch (Exception $e) {
|
|
|
1779 |
if ($contentexists) {
|
|
|
1780 |
// better something than nothing. We have a copy of file. It's sync time
|
|
|
1781 |
// has expired but it is still very likely that it is the last version
|
|
|
1782 |
} else {
|
|
|
1783 |
throw($e);
|
|
|
1784 |
}
|
|
|
1785 |
}
|
|
|
1786 |
}
|
|
|
1787 |
}
|
|
|
1788 |
}
|
|
|
1789 |
|
|
|
1790 |
/**
|
|
|
1791 |
* @deprecated since Moodle 4.3
|
|
|
1792 |
*/
|
| 1441 |
ariadna |
1793 |
#[\core\attribute\deprecated(null, reason: 'No longer used', since: '4.3', mdl: 'MDL-50272', final: true)]
|
|
|
1794 |
public function get_file_size() {
|
|
|
1795 |
\core\deprecation::emit_deprecation([self::class, __FUNCTION__]);
|
| 1 |
efrain |
1796 |
}
|
|
|
1797 |
|
|
|
1798 |
/**
|
|
|
1799 |
* Return is the instance is visible
|
|
|
1800 |
* (is the type visible ? is the context enable ?)
|
|
|
1801 |
*
|
|
|
1802 |
* @return bool
|
|
|
1803 |
*/
|
|
|
1804 |
public function is_visible() {
|
|
|
1805 |
$type = repository::get_type_by_id($this->options['typeid']);
|
|
|
1806 |
$instanceoptions = repository::static_function($type->get_typename(), 'get_instance_option_names');
|
|
|
1807 |
|
|
|
1808 |
if ($type->get_visible()) {
|
|
|
1809 |
//if the instance is unique so it's visible, otherwise check if the instance has a enabled context
|
|
|
1810 |
if (empty($instanceoptions) || $type->get_contextvisibility(context::instance_by_id($this->instance->contextid))) {
|
|
|
1811 |
return true;
|
|
|
1812 |
}
|
|
|
1813 |
}
|
|
|
1814 |
|
|
|
1815 |
return false;
|
|
|
1816 |
}
|
|
|
1817 |
|
|
|
1818 |
/**
|
|
|
1819 |
* Can the instance be edited by the current user?
|
|
|
1820 |
*
|
|
|
1821 |
* The property $readonly must not be used within this method because
|
|
|
1822 |
* it only controls if the options from self::get_instance_option_names()
|
|
|
1823 |
* can be edited.
|
|
|
1824 |
*
|
|
|
1825 |
* @return bool true if the user can edit the instance.
|
|
|
1826 |
* @since Moodle 2.5
|
|
|
1827 |
*/
|
|
|
1828 |
final public function can_be_edited_by_user() {
|
|
|
1829 |
global $USER;
|
|
|
1830 |
|
|
|
1831 |
// We need to be able to explore the repository.
|
|
|
1832 |
try {
|
|
|
1833 |
$this->check_capability();
|
|
|
1834 |
} catch (repository_exception $e) {
|
|
|
1835 |
return false;
|
|
|
1836 |
}
|
|
|
1837 |
|
|
|
1838 |
$repocontext = context::instance_by_id($this->instance->contextid);
|
|
|
1839 |
if ($repocontext->contextlevel == CONTEXT_USER && $repocontext->instanceid != $USER->id) {
|
|
|
1840 |
// If the context of this instance is a user context, we need to be this user.
|
|
|
1841 |
return false;
|
|
|
1842 |
} else if ($repocontext->contextlevel == CONTEXT_MODULE && !has_capability('moodle/course:update', $repocontext)) {
|
|
|
1843 |
// We need to have permissions on the course to edit the instance.
|
|
|
1844 |
return false;
|
|
|
1845 |
} else if ($repocontext->contextlevel == CONTEXT_SYSTEM && !has_capability('moodle/site:config', $repocontext)) {
|
|
|
1846 |
// Do not meet the requirements for the context system.
|
|
|
1847 |
return false;
|
|
|
1848 |
}
|
|
|
1849 |
|
|
|
1850 |
return true;
|
|
|
1851 |
}
|
|
|
1852 |
|
|
|
1853 |
/**
|
|
|
1854 |
* Return the name of this instance, can be overridden.
|
|
|
1855 |
*
|
|
|
1856 |
* @return string
|
|
|
1857 |
*/
|
|
|
1858 |
public function get_name() {
|
|
|
1859 |
if ($name = $this->instance->name) {
|
|
|
1860 |
return $name;
|
|
|
1861 |
} else {
|
|
|
1862 |
return get_string('pluginname', 'repository_' . $this->get_typename());
|
|
|
1863 |
}
|
|
|
1864 |
}
|
|
|
1865 |
|
|
|
1866 |
/**
|
|
|
1867 |
* Is this repository accessing private data?
|
|
|
1868 |
*
|
|
|
1869 |
* This function should return true for the repositories which access external private
|
|
|
1870 |
* data from a user. This is the case for repositories such as Dropbox, Google Docs or Box.net
|
|
|
1871 |
* which authenticate the user and then store the auth token.
|
|
|
1872 |
*
|
|
|
1873 |
* Of course, many repositories store 'private data', but we only want to set
|
|
|
1874 |
* contains_private_data() to repositories which are external to Moodle and shouldn't be accessed
|
|
|
1875 |
* to by the users having the capability to 'login as' someone else. For instance, the repository
|
|
|
1876 |
* 'Private files' is not considered as private because it's part of Moodle.
|
|
|
1877 |
*
|
|
|
1878 |
* You should not set contains_private_data() to true on repositories which allow different types
|
|
|
1879 |
* of instances as the levels other than 'user' are, by definition, not private. Also
|
|
|
1880 |
* the user instances will be protected when they need to.
|
|
|
1881 |
*
|
|
|
1882 |
* @return boolean True when the repository accesses private external data.
|
|
|
1883 |
* @since Moodle 2.5
|
|
|
1884 |
*/
|
|
|
1885 |
public function contains_private_data() {
|
|
|
1886 |
return true;
|
|
|
1887 |
}
|
|
|
1888 |
|
|
|
1889 |
/**
|
|
|
1890 |
* What kind of files will be in this repository?
|
|
|
1891 |
*
|
|
|
1892 |
* @return array return '*' means this repository support any files, otherwise
|
|
|
1893 |
* return mimetypes of files, it can be an array
|
|
|
1894 |
*/
|
|
|
1895 |
public function supported_filetypes() {
|
|
|
1896 |
// return array('text/plain', 'image/gif');
|
|
|
1897 |
return '*';
|
|
|
1898 |
}
|
|
|
1899 |
|
|
|
1900 |
/**
|
|
|
1901 |
* Tells how the file can be picked from this repository
|
|
|
1902 |
*
|
|
|
1903 |
* Maximum value is FILE_INTERNAL | FILE_EXTERNAL | FILE_REFERENCE
|
|
|
1904 |
*
|
|
|
1905 |
* @return int
|
|
|
1906 |
*/
|
|
|
1907 |
public function supported_returntypes() {
|
|
|
1908 |
return (FILE_INTERNAL | FILE_EXTERNAL);
|
|
|
1909 |
}
|
|
|
1910 |
|
|
|
1911 |
/**
|
|
|
1912 |
* Tells how the file can be picked from this repository
|
|
|
1913 |
*
|
|
|
1914 |
* Maximum value is FILE_INTERNAL | FILE_EXTERNAL | FILE_REFERENCE
|
|
|
1915 |
*
|
|
|
1916 |
* @return int
|
|
|
1917 |
*/
|
|
|
1918 |
public function default_returntype() {
|
|
|
1919 |
return FILE_INTERNAL;
|
|
|
1920 |
}
|
|
|
1921 |
|
|
|
1922 |
/**
|
|
|
1923 |
* Provide repository instance information for Ajax
|
|
|
1924 |
*
|
|
|
1925 |
* @return stdClass
|
|
|
1926 |
*/
|
|
|
1927 |
final public function get_meta() {
|
|
|
1928 |
global $CFG, $OUTPUT;
|
|
|
1929 |
$meta = new stdClass();
|
|
|
1930 |
$meta->id = $this->id;
|
|
|
1931 |
$meta->name = format_string($this->get_name());
|
|
|
1932 |
$meta->type = $this->get_typename();
|
|
|
1933 |
$meta->icon = $OUTPUT->image_url('icon', 'repository_'.$meta->type)->out(false);
|
|
|
1934 |
$meta->supported_types = file_get_typegroup('extension', $this->supported_filetypes());
|
|
|
1935 |
$meta->return_types = $this->supported_returntypes();
|
|
|
1936 |
$meta->defaultreturntype = $this->default_returntype();
|
|
|
1937 |
$meta->sortorder = $this->options['sortorder'];
|
|
|
1938 |
return $meta;
|
|
|
1939 |
}
|
|
|
1940 |
|
|
|
1941 |
/**
|
|
|
1942 |
* Create an instance for this plug-in
|
|
|
1943 |
*
|
|
|
1944 |
* @static
|
|
|
1945 |
* @param string $type the type of the repository
|
|
|
1946 |
* @param int $userid the user id
|
|
|
1947 |
* @param stdClass $context the context
|
|
|
1948 |
* @param array $params the options for this instance
|
|
|
1949 |
* @param int $readonly whether to create it readonly or not (defaults to not)
|
|
|
1950 |
* @return mixed
|
|
|
1951 |
*/
|
|
|
1952 |
public static function create($type, $userid, $context, $params, $readonly=0) {
|
|
|
1953 |
global $CFG, $DB;
|
|
|
1954 |
$params = (array)$params;
|
|
|
1955 |
require_once($CFG->dirroot . '/repository/'. $type . '/lib.php');
|
|
|
1956 |
$classname = 'repository_' . $type;
|
|
|
1957 |
if ($repo = $DB->get_record('repository', array('type'=>$type))) {
|
|
|
1958 |
$record = new stdClass();
|
|
|
1959 |
$record->name = $params['name'];
|
|
|
1960 |
$record->typeid = $repo->id;
|
|
|
1961 |
$record->timecreated = time();
|
|
|
1962 |
$record->timemodified = time();
|
|
|
1963 |
$record->contextid = $context->id;
|
|
|
1964 |
$record->readonly = $readonly;
|
|
|
1965 |
$record->userid = $userid;
|
|
|
1966 |
$id = $DB->insert_record('repository_instances', $record);
|
|
|
1967 |
cache::make('core', 'repositories')->purge();
|
|
|
1968 |
$options = array();
|
|
|
1969 |
$configs = call_user_func($classname . '::get_instance_option_names');
|
|
|
1970 |
if (!empty($configs)) {
|
|
|
1971 |
foreach ($configs as $config) {
|
|
|
1972 |
if (isset($params[$config])) {
|
|
|
1973 |
$options[$config] = $params[$config];
|
|
|
1974 |
} else {
|
|
|
1975 |
$options[$config] = null;
|
|
|
1976 |
}
|
|
|
1977 |
}
|
|
|
1978 |
}
|
|
|
1979 |
|
|
|
1980 |
if (!empty($id)) {
|
|
|
1981 |
unset($options['name']);
|
|
|
1982 |
$instance = repository::get_instance($id);
|
|
|
1983 |
$instance->set_option($options);
|
|
|
1984 |
return $id;
|
|
|
1985 |
} else {
|
|
|
1986 |
return null;
|
|
|
1987 |
}
|
|
|
1988 |
} else {
|
|
|
1989 |
return null;
|
|
|
1990 |
}
|
|
|
1991 |
}
|
|
|
1992 |
|
|
|
1993 |
/**
|
|
|
1994 |
* delete a repository instance
|
|
|
1995 |
*
|
|
|
1996 |
* @param bool $downloadcontents
|
|
|
1997 |
* @return bool
|
|
|
1998 |
*/
|
|
|
1999 |
final public function delete($downloadcontents = false) {
|
|
|
2000 |
global $DB;
|
|
|
2001 |
if ($downloadcontents) {
|
|
|
2002 |
$this->convert_references_to_local();
|
|
|
2003 |
} else {
|
|
|
2004 |
$this->remove_files();
|
|
|
2005 |
}
|
|
|
2006 |
cache::make('core', 'repositories')->purge();
|
|
|
2007 |
try {
|
|
|
2008 |
$DB->delete_records('repository_instances', array('id'=>$this->id));
|
|
|
2009 |
$DB->delete_records('repository_instance_config', array('instanceid'=>$this->id));
|
|
|
2010 |
} catch (dml_exception $ex) {
|
|
|
2011 |
return false;
|
|
|
2012 |
}
|
|
|
2013 |
return true;
|
|
|
2014 |
}
|
|
|
2015 |
|
|
|
2016 |
/**
|
|
|
2017 |
* Delete all the instances associated to a context.
|
|
|
2018 |
*
|
|
|
2019 |
* This method is intended to be a callback when deleting
|
|
|
2020 |
* a course or a user to delete all the instances associated
|
|
|
2021 |
* to their context. The usual way to delete a single instance
|
|
|
2022 |
* is to use {@link self::delete()}.
|
|
|
2023 |
*
|
|
|
2024 |
* @param int $contextid context ID.
|
|
|
2025 |
* @param boolean $downloadcontents true to convert references to hard copies.
|
|
|
2026 |
* @return void
|
|
|
2027 |
*/
|
|
|
2028 |
final public static function delete_all_for_context($contextid, $downloadcontents = true) {
|
|
|
2029 |
global $DB;
|
|
|
2030 |
$repoids = $DB->get_fieldset_select('repository_instances', 'id', 'contextid = :contextid', array('contextid' => $contextid));
|
|
|
2031 |
if ($downloadcontents) {
|
|
|
2032 |
foreach ($repoids as $repoid) {
|
|
|
2033 |
$repo = repository::get_repository_by_id($repoid, $contextid);
|
|
|
2034 |
$repo->convert_references_to_local();
|
|
|
2035 |
}
|
|
|
2036 |
}
|
|
|
2037 |
cache::make('core', 'repositories')->purge();
|
|
|
2038 |
$DB->delete_records_list('repository_instances', 'id', $repoids);
|
|
|
2039 |
$DB->delete_records_list('repository_instance_config', 'instanceid', $repoids);
|
|
|
2040 |
}
|
|
|
2041 |
|
|
|
2042 |
/**
|
|
|
2043 |
* Hide/Show a repository
|
|
|
2044 |
*
|
|
|
2045 |
* @param string $hide
|
|
|
2046 |
* @return bool
|
|
|
2047 |
*/
|
|
|
2048 |
final public function hide($hide = 'toggle') {
|
|
|
2049 |
global $DB;
|
|
|
2050 |
if ($entry = $DB->get_record('repository', array('id'=>$this->id))) {
|
|
|
2051 |
if ($hide === 'toggle' ) {
|
|
|
2052 |
if (!empty($entry->visible)) {
|
|
|
2053 |
$entry->visible = 0;
|
|
|
2054 |
} else {
|
|
|
2055 |
$entry->visible = 1;
|
|
|
2056 |
}
|
|
|
2057 |
} else {
|
|
|
2058 |
if (!empty($hide)) {
|
|
|
2059 |
$entry->visible = 0;
|
|
|
2060 |
} else {
|
|
|
2061 |
$entry->visible = 1;
|
|
|
2062 |
}
|
|
|
2063 |
}
|
|
|
2064 |
return $DB->update_record('repository', $entry);
|
|
|
2065 |
}
|
|
|
2066 |
return false;
|
|
|
2067 |
}
|
|
|
2068 |
|
|
|
2069 |
/**
|
|
|
2070 |
* Save settings for repository instance
|
|
|
2071 |
* $repo->set_option(array('api_key'=>'f2188bde132', 'name'=>'dongsheng'));
|
|
|
2072 |
*
|
|
|
2073 |
* @param array $options settings
|
|
|
2074 |
* @return bool
|
|
|
2075 |
*/
|
|
|
2076 |
public function set_option($options = array()) {
|
|
|
2077 |
global $DB;
|
|
|
2078 |
|
|
|
2079 |
if (!empty($options['name'])) {
|
|
|
2080 |
$r = new stdClass();
|
|
|
2081 |
$r->id = $this->id;
|
|
|
2082 |
$r->name = $options['name'];
|
|
|
2083 |
$DB->update_record('repository_instances', $r);
|
|
|
2084 |
unset($options['name']);
|
|
|
2085 |
}
|
|
|
2086 |
foreach ($options as $name=>$value) {
|
|
|
2087 |
if ($id = $DB->get_field('repository_instance_config', 'id', array('name'=>$name, 'instanceid'=>$this->id))) {
|
|
|
2088 |
$DB->set_field('repository_instance_config', 'value', $value, array('id'=>$id));
|
|
|
2089 |
} else {
|
|
|
2090 |
$config = new stdClass();
|
|
|
2091 |
$config->instanceid = $this->id;
|
|
|
2092 |
$config->name = $name;
|
|
|
2093 |
$config->value = $value;
|
|
|
2094 |
$DB->insert_record('repository_instance_config', $config);
|
|
|
2095 |
}
|
|
|
2096 |
}
|
|
|
2097 |
cache::make('core', 'repositories')->purge();
|
|
|
2098 |
return true;
|
|
|
2099 |
}
|
|
|
2100 |
|
|
|
2101 |
/**
|
|
|
2102 |
* Get settings for repository instance.
|
|
|
2103 |
*
|
|
|
2104 |
* @param string $config a specific option to get.
|
|
|
2105 |
* @return mixed returns an array of options. If $config is not empty, then it returns that option,
|
|
|
2106 |
* or null if the option does not exist.
|
|
|
2107 |
*/
|
|
|
2108 |
public function get_option($config = '') {
|
|
|
2109 |
global $DB;
|
|
|
2110 |
$cache = cache::make('core', 'repositories');
|
|
|
2111 |
if (($entries = $cache->get('ops:'. $this->id)) === false) {
|
|
|
2112 |
$entries = $DB->get_records('repository_instance_config', array('instanceid' => $this->id));
|
|
|
2113 |
$cache->set('ops:'. $this->id, $entries);
|
|
|
2114 |
}
|
|
|
2115 |
|
|
|
2116 |
$ret = array();
|
|
|
2117 |
foreach($entries as $entry) {
|
|
|
2118 |
$ret[$entry->name] = $entry->value;
|
|
|
2119 |
}
|
|
|
2120 |
|
|
|
2121 |
if (!empty($config)) {
|
|
|
2122 |
if (isset($ret[$config])) {
|
|
|
2123 |
return $ret[$config];
|
|
|
2124 |
} else {
|
|
|
2125 |
return null;
|
|
|
2126 |
}
|
|
|
2127 |
} else {
|
|
|
2128 |
return $ret;
|
|
|
2129 |
}
|
|
|
2130 |
}
|
|
|
2131 |
|
|
|
2132 |
/**
|
|
|
2133 |
* Filter file listing to display specific types
|
|
|
2134 |
*
|
|
|
2135 |
* @param array $value
|
|
|
2136 |
* @return bool
|
|
|
2137 |
*/
|
|
|
2138 |
public function filter($value) {
|
|
|
2139 |
$accepted_types = optional_param_array('accepted_types', '', PARAM_RAW);
|
|
|
2140 |
if (isset($value['children'])) {
|
|
|
2141 |
return true; // always return directories
|
|
|
2142 |
} else {
|
|
|
2143 |
if ($accepted_types == '*' or empty($accepted_types)
|
|
|
2144 |
or (is_array($accepted_types) and in_array('*', $accepted_types))) {
|
|
|
2145 |
return true;
|
|
|
2146 |
} else {
|
|
|
2147 |
foreach ($accepted_types as $ext) {
|
|
|
2148 |
if (preg_match('#'.$ext.'$#i', $value['title'])) {
|
|
|
2149 |
return true;
|
|
|
2150 |
}
|
|
|
2151 |
}
|
|
|
2152 |
}
|
|
|
2153 |
}
|
|
|
2154 |
return false;
|
|
|
2155 |
}
|
|
|
2156 |
|
|
|
2157 |
/**
|
|
|
2158 |
* Given a path, and perhaps a search, get a list of files.
|
|
|
2159 |
*
|
|
|
2160 |
* See details on {@link https://moodledev.io/docs/apis/plugintypes/repository}
|
|
|
2161 |
*
|
|
|
2162 |
* @param string $path this parameter can a folder name, or a identification of folder
|
|
|
2163 |
* @param string $page the page number of file list
|
|
|
2164 |
* @return array the list of files, including meta infomation, containing the following keys
|
|
|
2165 |
* manage, url to manage url
|
|
|
2166 |
* client_id
|
|
|
2167 |
* login, login form
|
|
|
2168 |
* repo_id, active repository id
|
|
|
2169 |
* login_btn_action, the login button action
|
|
|
2170 |
* login_btn_label, the login button label
|
|
|
2171 |
* total, number of results
|
|
|
2172 |
* perpage, items per page
|
|
|
2173 |
* page
|
|
|
2174 |
* pages, total pages
|
|
|
2175 |
* issearchresult, is it a search result?
|
|
|
2176 |
* list, file list
|
|
|
2177 |
* path, current path and parent path
|
|
|
2178 |
*/
|
|
|
2179 |
public function get_listing($path = '', $page = '') {
|
|
|
2180 |
}
|
|
|
2181 |
|
|
|
2182 |
|
|
|
2183 |
/**
|
|
|
2184 |
* Prepare the breadcrumb.
|
|
|
2185 |
*
|
|
|
2186 |
* @param array $breadcrumb contains each element of the breadcrumb.
|
|
|
2187 |
* @return array of breadcrumb elements.
|
|
|
2188 |
* @since Moodle 2.3.3
|
|
|
2189 |
*/
|
|
|
2190 |
protected static function prepare_breadcrumb($breadcrumb) {
|
|
|
2191 |
global $OUTPUT;
|
|
|
2192 |
$foldericon = $OUTPUT->image_url(file_folder_icon())->out(false);
|
|
|
2193 |
$len = count($breadcrumb);
|
|
|
2194 |
for ($i = 0; $i < $len; $i++) {
|
|
|
2195 |
if (is_array($breadcrumb[$i]) && !isset($breadcrumb[$i]['icon'])) {
|
|
|
2196 |
$breadcrumb[$i]['icon'] = $foldericon;
|
|
|
2197 |
} else if (is_object($breadcrumb[$i]) && !isset($breadcrumb[$i]->icon)) {
|
|
|
2198 |
$breadcrumb[$i]->icon = $foldericon;
|
|
|
2199 |
}
|
|
|
2200 |
}
|
|
|
2201 |
return $breadcrumb;
|
|
|
2202 |
}
|
|
|
2203 |
|
|
|
2204 |
/**
|
|
|
2205 |
* Prepare the file/folder listing.
|
|
|
2206 |
*
|
|
|
2207 |
* @param array $list of files and folders.
|
|
|
2208 |
* @return array of files and folders.
|
|
|
2209 |
* @since Moodle 2.3.3
|
|
|
2210 |
*/
|
|
|
2211 |
protected static function prepare_list($list) {
|
|
|
2212 |
global $OUTPUT;
|
|
|
2213 |
$foldericon = $OUTPUT->image_url(file_folder_icon())->out(false);
|
|
|
2214 |
|
|
|
2215 |
// Reset the array keys because non-numeric keys will create an object when converted to JSON.
|
|
|
2216 |
$list = array_values($list);
|
|
|
2217 |
|
|
|
2218 |
$len = count($list);
|
|
|
2219 |
for ($i = 0; $i < $len; $i++) {
|
|
|
2220 |
if (is_object($list[$i])) {
|
|
|
2221 |
$file = (array)$list[$i];
|
|
|
2222 |
$converttoobject = true;
|
|
|
2223 |
} else {
|
|
|
2224 |
$file =& $list[$i];
|
|
|
2225 |
$converttoobject = false;
|
|
|
2226 |
}
|
|
|
2227 |
|
|
|
2228 |
if (isset($file['source'])) {
|
|
|
2229 |
$file['sourcekey'] = sha1($file['source'] . self::get_secret_key() . sesskey());
|
|
|
2230 |
}
|
|
|
2231 |
|
|
|
2232 |
if (isset($file['size'])) {
|
|
|
2233 |
$file['size'] = (int)$file['size'];
|
|
|
2234 |
$file['size_f'] = display_size($file['size']);
|
|
|
2235 |
}
|
|
|
2236 |
if (isset($file['license']) && get_string_manager()->string_exists($file['license'], 'license')) {
|
|
|
2237 |
$file['license_f'] = get_string($file['license'], 'license');
|
|
|
2238 |
}
|
|
|
2239 |
if (isset($file['image_width']) && isset($file['image_height'])) {
|
|
|
2240 |
$a = array('width' => $file['image_width'], 'height' => $file['image_height']);
|
|
|
2241 |
$file['dimensions'] = get_string('imagesize', 'repository', (object)$a);
|
|
|
2242 |
}
|
|
|
2243 |
foreach (array('date', 'datemodified', 'datecreated') as $key) {
|
|
|
2244 |
if (!isset($file[$key]) && isset($file['date'])) {
|
|
|
2245 |
$file[$key] = $file['date'];
|
|
|
2246 |
}
|
|
|
2247 |
if (isset($file[$key])) {
|
|
|
2248 |
// must be UNIX timestamp
|
|
|
2249 |
$file[$key] = (int)$file[$key];
|
|
|
2250 |
if (!$file[$key]) {
|
|
|
2251 |
unset($file[$key]);
|
|
|
2252 |
} else {
|
|
|
2253 |
$file[$key.'_f'] = userdate($file[$key], get_string('strftimedatetime', 'langconfig'));
|
|
|
2254 |
$file[$key.'_f_s'] = userdate($file[$key], get_string('strftimedatetimeshort', 'langconfig'));
|
|
|
2255 |
}
|
|
|
2256 |
}
|
|
|
2257 |
}
|
|
|
2258 |
$isfolder = (array_key_exists('children', $file) || (isset($file['type']) && $file['type'] == 'folder'));
|
|
|
2259 |
$filename = null;
|
|
|
2260 |
if (isset($file['title'])) {
|
|
|
2261 |
$filename = $file['title'];
|
|
|
2262 |
}
|
|
|
2263 |
else if (isset($file['fullname'])) {
|
|
|
2264 |
$filename = $file['fullname'];
|
|
|
2265 |
}
|
|
|
2266 |
if (!isset($file['mimetype']) && !$isfolder && $filename) {
|
|
|
2267 |
$file['mimetype'] = get_mimetype_description(array('filename' => $filename));
|
|
|
2268 |
}
|
|
|
2269 |
if (!isset($file['icon'])) {
|
|
|
2270 |
if ($isfolder) {
|
|
|
2271 |
$file['icon'] = $foldericon;
|
|
|
2272 |
} else if ($filename) {
|
|
|
2273 |
$file['icon'] = $OUTPUT->image_url(file_extension_icon($filename))->out(false);
|
|
|
2274 |
}
|
|
|
2275 |
}
|
|
|
2276 |
|
|
|
2277 |
// Recursively loop over children.
|
|
|
2278 |
if (isset($file['children'])) {
|
|
|
2279 |
$file['children'] = self::prepare_list($file['children']);
|
|
|
2280 |
}
|
|
|
2281 |
|
|
|
2282 |
// Convert the array back to an object.
|
|
|
2283 |
if ($converttoobject) {
|
|
|
2284 |
$list[$i] = (object)$file;
|
|
|
2285 |
}
|
|
|
2286 |
}
|
|
|
2287 |
return $list;
|
|
|
2288 |
}
|
|
|
2289 |
|
|
|
2290 |
/**
|
|
|
2291 |
* Prepares list of files before passing it to AJAX, makes sure data is in the correct
|
|
|
2292 |
* format and stores formatted values.
|
|
|
2293 |
*
|
|
|
2294 |
* @param array|stdClass $listing result of get_listing() or search() or file_get_drafarea_files()
|
|
|
2295 |
* @return stdClass
|
|
|
2296 |
*/
|
|
|
2297 |
public static function prepare_listing($listing) {
|
|
|
2298 |
$wasobject = false;
|
|
|
2299 |
if (is_object($listing)) {
|
|
|
2300 |
$listing = (array) $listing;
|
|
|
2301 |
$wasobject = true;
|
|
|
2302 |
}
|
|
|
2303 |
|
|
|
2304 |
// Prepare the breadcrumb, passed as 'path'.
|
|
|
2305 |
if (isset($listing['path']) && is_array($listing['path'])) {
|
|
|
2306 |
$listing['path'] = self::prepare_breadcrumb($listing['path']);
|
|
|
2307 |
}
|
|
|
2308 |
|
|
|
2309 |
// Prepare the listing of objects.
|
|
|
2310 |
if (isset($listing['list']) && is_array($listing['list'])) {
|
|
|
2311 |
$listing['list'] = self::prepare_list($listing['list']);
|
|
|
2312 |
}
|
|
|
2313 |
|
|
|
2314 |
// Convert back to an object.
|
|
|
2315 |
if ($wasobject) {
|
|
|
2316 |
$listing = (object) $listing;
|
|
|
2317 |
}
|
|
|
2318 |
return $listing;
|
|
|
2319 |
}
|
|
|
2320 |
|
|
|
2321 |
/**
|
|
|
2322 |
* Search files in repository
|
|
|
2323 |
* When doing global search, $search_text will be used as
|
|
|
2324 |
* keyword.
|
|
|
2325 |
*
|
|
|
2326 |
* @param string $search_text search key word
|
|
|
2327 |
* @param int $page page
|
|
|
2328 |
* @return mixed see {@link repository::get_listing()}
|
|
|
2329 |
*/
|
|
|
2330 |
public function search($search_text, $page = 0) {
|
|
|
2331 |
$list = array();
|
|
|
2332 |
$list['list'] = array();
|
|
|
2333 |
return false;
|
|
|
2334 |
}
|
|
|
2335 |
|
|
|
2336 |
/**
|
|
|
2337 |
* Logout from repository instance
|
|
|
2338 |
* By default, this function will return a login form
|
|
|
2339 |
*
|
|
|
2340 |
* @return string
|
|
|
2341 |
*/
|
|
|
2342 |
public function logout(){
|
|
|
2343 |
return $this->print_login();
|
|
|
2344 |
}
|
|
|
2345 |
|
|
|
2346 |
/**
|
|
|
2347 |
* To check whether the user is logged in.
|
|
|
2348 |
*
|
|
|
2349 |
* @return bool
|
|
|
2350 |
*/
|
|
|
2351 |
public function check_login(){
|
|
|
2352 |
return true;
|
|
|
2353 |
}
|
|
|
2354 |
|
|
|
2355 |
|
|
|
2356 |
/**
|
|
|
2357 |
* Show the login screen, if required
|
|
|
2358 |
*
|
|
|
2359 |
* @return string
|
|
|
2360 |
*/
|
|
|
2361 |
public function print_login(){
|
|
|
2362 |
return $this->get_listing();
|
|
|
2363 |
}
|
|
|
2364 |
|
|
|
2365 |
/**
|
|
|
2366 |
* Show the search screen, if required
|
|
|
2367 |
*
|
|
|
2368 |
* @return string
|
|
|
2369 |
*/
|
|
|
2370 |
public function print_search() {
|
|
|
2371 |
global $PAGE;
|
|
|
2372 |
$renderer = $PAGE->get_renderer('core', 'files');
|
|
|
2373 |
return $renderer->repository_default_searchform();
|
|
|
2374 |
}
|
|
|
2375 |
|
|
|
2376 |
/**
|
|
|
2377 |
* For oauth like external authentication, when external repository direct user back to moodle,
|
|
|
2378 |
* this function will be called to set up token and token_secret
|
|
|
2379 |
*/
|
|
|
2380 |
public function callback() {
|
|
|
2381 |
}
|
|
|
2382 |
|
|
|
2383 |
/**
|
|
|
2384 |
* is it possible to do glboal search?
|
|
|
2385 |
*
|
|
|
2386 |
* @return bool
|
|
|
2387 |
*/
|
|
|
2388 |
public function global_search() {
|
|
|
2389 |
return false;
|
|
|
2390 |
}
|
|
|
2391 |
|
|
|
2392 |
/**
|
|
|
2393 |
* Defines operations that happen occasionally on cron
|
|
|
2394 |
*
|
|
|
2395 |
* @return bool
|
|
|
2396 |
*/
|
|
|
2397 |
public function cron() {
|
|
|
2398 |
return true;
|
|
|
2399 |
}
|
|
|
2400 |
|
|
|
2401 |
/**
|
|
|
2402 |
* function which is run when the type is created (moodle administrator add the plugin)
|
|
|
2403 |
*
|
|
|
2404 |
* @return bool success or fail?
|
|
|
2405 |
*/
|
|
|
2406 |
public static function plugin_init() {
|
|
|
2407 |
return true;
|
|
|
2408 |
}
|
|
|
2409 |
|
|
|
2410 |
/**
|
|
|
2411 |
* Edit/Create Admin Settings Moodle form
|
|
|
2412 |
*
|
|
|
2413 |
* @param MoodleQuickForm $mform Moodle form (passed by reference)
|
|
|
2414 |
* @param string $classname repository class name
|
|
|
2415 |
*/
|
|
|
2416 |
public static function type_config_form($mform, $classname = 'repository') {
|
|
|
2417 |
$instnaceoptions = call_user_func(array($classname, 'get_instance_option_names'), $mform, $classname);
|
|
|
2418 |
if (empty($instnaceoptions)) {
|
|
|
2419 |
// this plugin has only one instance
|
|
|
2420 |
// so we need to give it a name
|
|
|
2421 |
// it can be empty, then moodle will look for instance name from language string
|
|
|
2422 |
$mform->addElement('text', 'pluginname', get_string('pluginname', 'repository'), array('size' => '40'));
|
|
|
2423 |
$mform->addElement('static', 'pluginnamehelp', '', get_string('pluginnamehelp', 'repository'));
|
|
|
2424 |
$mform->setType('pluginname', PARAM_TEXT);
|
|
|
2425 |
}
|
|
|
2426 |
}
|
|
|
2427 |
|
|
|
2428 |
/**
|
|
|
2429 |
* Validate Admin Settings Moodle form
|
|
|
2430 |
*
|
|
|
2431 |
* @static
|
|
|
2432 |
* @param moodleform $mform Moodle form (passed by reference)
|
|
|
2433 |
* @param array $data array of ("fieldname"=>value) of submitted data
|
|
|
2434 |
* @param array $errors array of ("fieldname"=>errormessage) of errors
|
|
|
2435 |
* @return array array of errors
|
|
|
2436 |
*/
|
|
|
2437 |
public static function type_form_validation($mform, $data, $errors) {
|
|
|
2438 |
return $errors;
|
|
|
2439 |
}
|
|
|
2440 |
|
|
|
2441 |
|
|
|
2442 |
/**
|
|
|
2443 |
* Edit/Create Instance Settings Moodle form
|
|
|
2444 |
*
|
|
|
2445 |
* @param moodleform $mform Moodle form (passed by reference)
|
|
|
2446 |
*/
|
|
|
2447 |
public static function instance_config_form($mform) {
|
|
|
2448 |
}
|
|
|
2449 |
|
|
|
2450 |
/**
|
|
|
2451 |
* Return names of the general options.
|
|
|
2452 |
* By default: no general option name
|
|
|
2453 |
*
|
|
|
2454 |
* @return array
|
|
|
2455 |
*/
|
|
|
2456 |
public static function get_type_option_names() {
|
|
|
2457 |
return array('pluginname');
|
|
|
2458 |
}
|
|
|
2459 |
|
|
|
2460 |
/**
|
|
|
2461 |
* Return names of the instance options.
|
|
|
2462 |
* By default: no instance option name
|
|
|
2463 |
*
|
|
|
2464 |
* @return array
|
|
|
2465 |
*/
|
|
|
2466 |
public static function get_instance_option_names() {
|
|
|
2467 |
return array();
|
|
|
2468 |
}
|
|
|
2469 |
|
|
|
2470 |
/**
|
|
|
2471 |
* Validate repository plugin instance form
|
|
|
2472 |
*
|
|
|
2473 |
* @param moodleform $mform moodle form
|
|
|
2474 |
* @param array $data form data
|
|
|
2475 |
* @param array $errors errors
|
|
|
2476 |
* @return array errors
|
|
|
2477 |
*/
|
|
|
2478 |
public static function instance_form_validation($mform, $data, $errors) {
|
|
|
2479 |
return $errors;
|
|
|
2480 |
}
|
|
|
2481 |
|
|
|
2482 |
/**
|
|
|
2483 |
* Create a shorten filename
|
|
|
2484 |
*
|
|
|
2485 |
* @param string $str filename
|
|
|
2486 |
* @param int $maxlength max file name length
|
|
|
2487 |
* @return string short filename
|
|
|
2488 |
*/
|
|
|
2489 |
public function get_short_filename($str, $maxlength) {
|
|
|
2490 |
if (core_text::strlen($str) >= $maxlength) {
|
|
|
2491 |
return trim(core_text::substr($str, 0, $maxlength)).'...';
|
|
|
2492 |
} else {
|
|
|
2493 |
return $str;
|
|
|
2494 |
}
|
|
|
2495 |
}
|
|
|
2496 |
|
|
|
2497 |
/**
|
|
|
2498 |
* Overwrite an existing file
|
|
|
2499 |
*
|
|
|
2500 |
* @param int $itemid
|
|
|
2501 |
* @param string $filepath
|
|
|
2502 |
* @param string $filename
|
|
|
2503 |
* @param string $newfilepath
|
|
|
2504 |
* @param string $newfilename
|
|
|
2505 |
* @return bool
|
|
|
2506 |
*/
|
|
|
2507 |
public static function overwrite_existing_draftfile($itemid, $filepath, $filename, $newfilepath, $newfilename) {
|
|
|
2508 |
global $USER;
|
|
|
2509 |
$fs = get_file_storage();
|
|
|
2510 |
$user_context = context_user::instance($USER->id);
|
|
|
2511 |
if ($file = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $filepath, $filename)) {
|
|
|
2512 |
if ($tempfile = $fs->get_file($user_context->id, 'user', 'draft', $itemid, $newfilepath, $newfilename)) {
|
|
|
2513 |
// Remember original file source field.
|
|
|
2514 |
$source = @unserialize($file->get_source());
|
|
|
2515 |
// Remember the original sortorder.
|
|
|
2516 |
$sortorder = $file->get_sortorder();
|
|
|
2517 |
if ($tempfile->is_external_file()) {
|
|
|
2518 |
// New file is a reference. Check that existing file does not have any other files referencing to it
|
|
|
2519 |
if (isset($source->original) && $fs->search_references_count($source->original)) {
|
|
|
2520 |
return (object)array('error' => get_string('errordoublereference', 'repository'));
|
|
|
2521 |
}
|
|
|
2522 |
}
|
|
|
2523 |
// delete existing file to release filename
|
|
|
2524 |
$file->delete();
|
|
|
2525 |
// create new file
|
|
|
2526 |
$newfile = $fs->create_file_from_storedfile(array('filepath'=>$filepath, 'filename'=>$filename), $tempfile);
|
|
|
2527 |
// Preserve original file location (stored in source field) for handling references
|
|
|
2528 |
if (isset($source->original)) {
|
|
|
2529 |
if (!($newfilesource = @unserialize($newfile->get_source()))) {
|
|
|
2530 |
$newfilesource = new stdClass();
|
|
|
2531 |
}
|
|
|
2532 |
$newfilesource->original = $source->original;
|
|
|
2533 |
$newfile->set_source(serialize($newfilesource));
|
|
|
2534 |
}
|
|
|
2535 |
$newfile->set_sortorder($sortorder);
|
|
|
2536 |
// remove temp file
|
|
|
2537 |
$tempfile->delete();
|
|
|
2538 |
return true;
|
|
|
2539 |
}
|
|
|
2540 |
}
|
|
|
2541 |
return false;
|
|
|
2542 |
}
|
|
|
2543 |
|
|
|
2544 |
/**
|
|
|
2545 |
* Updates a file in draft filearea.
|
|
|
2546 |
*
|
|
|
2547 |
* This function can only update fields filepath, filename, author, license.
|
|
|
2548 |
* If anything (except filepath) is updated, timemodified is set to current time.
|
|
|
2549 |
* If filename or filepath is updated the file unconnects from it's origin
|
|
|
2550 |
* and therefore all references to it will be converted to copies when
|
|
|
2551 |
* filearea is saved.
|
|
|
2552 |
*
|
|
|
2553 |
* @param int $draftid
|
|
|
2554 |
* @param string $filepath path to the directory containing the file, or full path in case of directory
|
|
|
2555 |
* @param string $filename name of the file, or '.' in case of directory
|
|
|
2556 |
* @param array $updatedata array of fields to change (only filename, filepath, license and/or author can be updated)
|
|
|
2557 |
* @throws moodle_exception if for any reason file can not be updated (file does not exist, target already exists, etc.)
|
|
|
2558 |
*/
|
|
|
2559 |
public static function update_draftfile($draftid, $filepath, $filename, $updatedata) {
|
|
|
2560 |
global $USER;
|
|
|
2561 |
$fs = get_file_storage();
|
|
|
2562 |
$usercontext = context_user::instance($USER->id);
|
|
|
2563 |
// make sure filename and filepath are present in $updatedata
|
|
|
2564 |
$updatedata = $updatedata + array('filepath' => $filepath, 'filename' => $filename);
|
|
|
2565 |
$filemodified = false;
|
|
|
2566 |
if (!$file = $fs->get_file($usercontext->id, 'user', 'draft', $draftid, $filepath, $filename)) {
|
|
|
2567 |
if ($filename === '.') {
|
|
|
2568 |
throw new moodle_exception('foldernotfound', 'repository');
|
|
|
2569 |
} else {
|
|
|
2570 |
throw new moodle_exception('filenotfound', 'error');
|
|
|
2571 |
}
|
|
|
2572 |
}
|
|
|
2573 |
if (!$file->is_directory()) {
|
|
|
2574 |
// This is a file
|
|
|
2575 |
if ($updatedata['filepath'] !== $filepath || $updatedata['filename'] !== $filename) {
|
|
|
2576 |
// Rename/move file: check that target file name does not exist.
|
|
|
2577 |
if ($fs->file_exists($usercontext->id, 'user', 'draft', $draftid, $updatedata['filepath'], $updatedata['filename'])) {
|
|
|
2578 |
throw new moodle_exception('fileexists', 'repository');
|
|
|
2579 |
}
|
|
|
2580 |
if (($filesource = @unserialize($file->get_source())) && isset($filesource->original)) {
|
|
|
2581 |
unset($filesource->original);
|
|
|
2582 |
$file->set_source(serialize($filesource));
|
|
|
2583 |
}
|
|
|
2584 |
$file->rename($updatedata['filepath'], $updatedata['filename']);
|
|
|
2585 |
// timemodified is updated only when file is renamed and not updated when file is moved.
|
|
|
2586 |
$filemodified = $filemodified || ($updatedata['filename'] !== $filename);
|
|
|
2587 |
}
|
|
|
2588 |
if (array_key_exists('license', $updatedata) && $updatedata['license'] !== $file->get_license()) {
|
|
|
2589 |
// Update license and timemodified.
|
|
|
2590 |
$file->set_license($updatedata['license']);
|
|
|
2591 |
$filemodified = true;
|
|
|
2592 |
}
|
|
|
2593 |
if (array_key_exists('author', $updatedata) && $updatedata['author'] !== $file->get_author()) {
|
|
|
2594 |
// Update author and timemodified.
|
|
|
2595 |
$file->set_author($updatedata['author']);
|
|
|
2596 |
$filemodified = true;
|
|
|
2597 |
}
|
|
|
2598 |
// Update timemodified:
|
|
|
2599 |
if ($filemodified) {
|
|
|
2600 |
$file->set_timemodified(time());
|
|
|
2601 |
}
|
|
|
2602 |
} else {
|
|
|
2603 |
// This is a directory - only filepath can be updated for a directory (it was moved).
|
|
|
2604 |
if ($updatedata['filepath'] === $filepath) {
|
|
|
2605 |
// nothing to update
|
|
|
2606 |
return;
|
|
|
2607 |
}
|
|
|
2608 |
if ($fs->file_exists($usercontext->id, 'user', 'draft', $draftid, $updatedata['filepath'], '.')) {
|
|
|
2609 |
// bad luck, we can not rename if something already exists there
|
|
|
2610 |
throw new moodle_exception('folderexists', 'repository');
|
|
|
2611 |
}
|
|
|
2612 |
$xfilepath = preg_quote($filepath, '|');
|
|
|
2613 |
if (preg_match("|^$xfilepath|", $updatedata['filepath'])) {
|
|
|
2614 |
// we can not move folder to it's own subfolder
|
|
|
2615 |
throw new moodle_exception('folderrecurse', 'repository');
|
|
|
2616 |
}
|
|
|
2617 |
|
|
|
2618 |
// If directory changed the name, update timemodified.
|
|
|
2619 |
$filemodified = (basename(rtrim($file->get_filepath(), '/')) !== basename(rtrim($updatedata['filepath'], '/')));
|
|
|
2620 |
|
|
|
2621 |
// Now update directory and all children.
|
|
|
2622 |
$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $draftid);
|
|
|
2623 |
foreach ($files as $f) {
|
|
|
2624 |
if (preg_match("|^$xfilepath|", $f->get_filepath())) {
|
|
|
2625 |
$path = preg_replace("|^$xfilepath|", $updatedata['filepath'], $f->get_filepath());
|
|
|
2626 |
if (($filesource = @unserialize($f->get_source())) && isset($filesource->original)) {
|
|
|
2627 |
// unset original so the references are not shown any more
|
|
|
2628 |
unset($filesource->original);
|
|
|
2629 |
$f->set_source(serialize($filesource));
|
|
|
2630 |
}
|
|
|
2631 |
$f->rename($path, $f->get_filename());
|
|
|
2632 |
if ($filemodified && $f->get_filepath() === $updatedata['filepath'] && $f->get_filename() === $filename) {
|
|
|
2633 |
$f->set_timemodified(time());
|
|
|
2634 |
}
|
|
|
2635 |
}
|
|
|
2636 |
}
|
|
|
2637 |
}
|
|
|
2638 |
}
|
|
|
2639 |
|
|
|
2640 |
/**
|
|
|
2641 |
* Delete a temp file from draft area
|
|
|
2642 |
*
|
|
|
2643 |
* @param int $draftitemid
|
|
|
2644 |
* @param string $filepath
|
|
|
2645 |
* @param string $filename
|
|
|
2646 |
* @return bool
|
|
|
2647 |
*/
|
|
|
2648 |
public static function delete_tempfile_from_draft($draftitemid, $filepath, $filename) {
|
|
|
2649 |
global $USER;
|
|
|
2650 |
$fs = get_file_storage();
|
|
|
2651 |
$user_context = context_user::instance($USER->id);
|
|
|
2652 |
if ($file = $fs->get_file($user_context->id, 'user', 'draft', $draftitemid, $filepath, $filename)) {
|
|
|
2653 |
$file->delete();
|
|
|
2654 |
return true;
|
|
|
2655 |
} else {
|
|
|
2656 |
return false;
|
|
|
2657 |
}
|
|
|
2658 |
}
|
|
|
2659 |
|
|
|
2660 |
/**
|
|
|
2661 |
* Find all external files in this repo and import them
|
|
|
2662 |
*/
|
|
|
2663 |
public function convert_references_to_local() {
|
|
|
2664 |
$fs = get_file_storage();
|
|
|
2665 |
$files = $fs->get_external_files($this->id);
|
|
|
2666 |
foreach ($files as $storedfile) {
|
|
|
2667 |
$fs->import_external_file($storedfile);
|
|
|
2668 |
}
|
|
|
2669 |
}
|
|
|
2670 |
|
|
|
2671 |
/**
|
|
|
2672 |
* Find all external files linked to this repository and delete them.
|
|
|
2673 |
*/
|
|
|
2674 |
public function remove_files() {
|
|
|
2675 |
$fs = get_file_storage();
|
|
|
2676 |
$files = $fs->get_external_files($this->id);
|
|
|
2677 |
foreach ($files as $storedfile) {
|
|
|
2678 |
$storedfile->delete();
|
|
|
2679 |
}
|
|
|
2680 |
}
|
|
|
2681 |
|
|
|
2682 |
/**
|
|
|
2683 |
* Performs synchronisation of an external file if the previous one has expired.
|
|
|
2684 |
*
|
|
|
2685 |
* This function must be implemented for external repositories supporting
|
|
|
2686 |
* FILE_REFERENCE, it is called for existing aliases when their filesize,
|
|
|
2687 |
* contenthash or timemodified are requested. It is not called for internal
|
|
|
2688 |
* repositories (see {@link repository::has_moodle_files()}), references to
|
|
|
2689 |
* internal files are updated immediately when source is modified.
|
|
|
2690 |
*
|
|
|
2691 |
* Referenced files may optionally keep their content in Moodle filepool (for
|
|
|
2692 |
* thumbnail generation or to be able to serve cached copy). In this
|
|
|
2693 |
* case both contenthash and filesize need to be synchronized. Otherwise repositories
|
|
|
2694 |
* should use contenthash of empty file and correct filesize in bytes.
|
|
|
2695 |
*
|
|
|
2696 |
* Note that this function may be run for EACH file that needs to be synchronised at the
|
|
|
2697 |
* moment. If anything is being downloaded or requested from external sources there
|
|
|
2698 |
* should be a small timeout. The synchronisation is performed to update the size of
|
|
|
2699 |
* the file and/or to update image and re-generated image preview. There is nothing
|
|
|
2700 |
* fatal if syncronisation fails but it is fatal if syncronisation takes too long
|
|
|
2701 |
* and hangs the script generating a page.
|
|
|
2702 |
*
|
|
|
2703 |
* Note: If you wish to call $file->get_filesize(), $file->get_contenthash() or
|
|
|
2704 |
* $file->get_timemodified() make sure that recursion does not happen.
|
|
|
2705 |
*
|
|
|
2706 |
* Called from {@link stored_file::sync_external_file()}
|
|
|
2707 |
*
|
|
|
2708 |
* @uses stored_file::set_missingsource()
|
|
|
2709 |
* @uses stored_file::set_synchronized()
|
|
|
2710 |
* @param stored_file $file
|
|
|
2711 |
* @return bool false when file does not need synchronisation, true if it was synchronised
|
|
|
2712 |
*/
|
|
|
2713 |
public function sync_reference(stored_file $file) {
|
|
|
2714 |
if ($file->get_repository_id() != $this->id) {
|
|
|
2715 |
// This should not really happen because the function can be called from stored_file only.
|
|
|
2716 |
return false;
|
|
|
2717 |
}
|
|
|
2718 |
|
|
|
2719 |
if ($this->has_moodle_files()) {
|
|
|
2720 |
// References to local files need to be synchronised only once.
|
|
|
2721 |
// Later they will be synchronised automatically when the source is changed.
|
|
|
2722 |
if ($file->get_referencelastsync()) {
|
|
|
2723 |
return false;
|
|
|
2724 |
}
|
| 1441 |
ariadna |
2725 |
|
|
|
2726 |
if (in_array($file->get_id(), self::$syncfileids)) {
|
|
|
2727 |
throw new \coding_exception('File references itself: ' . $file->get_id());
|
| 1 |
efrain |
2728 |
}
|
| 1441 |
ariadna |
2729 |
try {
|
|
|
2730 |
array_push(self::$syncfileids, $file->get_id());
|
|
|
2731 |
|
|
|
2732 |
$fs = get_file_storage();
|
|
|
2733 |
$params = file_storage::unpack_reference($file->get_reference(), true);
|
|
|
2734 |
if (!is_array($params) || !($storedfile = $fs->get_file($params['contextid'],
|
|
|
2735 |
$params['component'], $params['filearea'], $params['itemid'], $params['filepath'],
|
|
|
2736 |
$params['filename']))) {
|
|
|
2737 |
$file->set_missingsource();
|
|
|
2738 |
} else {
|
|
|
2739 |
$file->set_synchronized(
|
|
|
2740 |
$storedfile->get_contenthash(),
|
|
|
2741 |
$storedfile->get_filesize(),
|
|
|
2742 |
0,
|
|
|
2743 |
$storedfile->get_timemodified(),
|
|
|
2744 |
);
|
|
|
2745 |
}
|
|
|
2746 |
} finally {
|
|
|
2747 |
array_pop(self::$syncfileids);
|
|
|
2748 |
}
|
| 1 |
efrain |
2749 |
return true;
|
|
|
2750 |
}
|
|
|
2751 |
|
|
|
2752 |
return false;
|
|
|
2753 |
}
|
|
|
2754 |
|
|
|
2755 |
/**
|
|
|
2756 |
* Build draft file's source field
|
|
|
2757 |
*
|
|
|
2758 |
* {@link file_restore_source_field_from_draft_file()}
|
|
|
2759 |
* XXX: This is a hack for file manager (MDL-28666)
|
|
|
2760 |
* For newly created draft files we have to construct
|
|
|
2761 |
* source filed in php serialized data format.
|
|
|
2762 |
* File manager needs to know the original file information before copying
|
|
|
2763 |
* to draft area, so we append these information in mdl_files.source field
|
|
|
2764 |
*
|
|
|
2765 |
* @param string $source
|
|
|
2766 |
* @return string serialised source field
|
|
|
2767 |
*/
|
|
|
2768 |
public static function build_source_field($source) {
|
|
|
2769 |
$sourcefield = new stdClass;
|
|
|
2770 |
$sourcefield->source = $source;
|
|
|
2771 |
return serialize($sourcefield);
|
|
|
2772 |
}
|
|
|
2773 |
|
|
|
2774 |
/**
|
|
|
2775 |
* Prepares the repository to be cached. Implements method from cacheable_object interface.
|
|
|
2776 |
*
|
|
|
2777 |
* @return array
|
|
|
2778 |
*/
|
|
|
2779 |
public function prepare_to_cache() {
|
|
|
2780 |
return array(
|
|
|
2781 |
'class' => get_class($this),
|
|
|
2782 |
'id' => $this->id,
|
|
|
2783 |
'ctxid' => $this->context->id,
|
|
|
2784 |
'options' => $this->options,
|
|
|
2785 |
'readonly' => $this->readonly
|
|
|
2786 |
);
|
|
|
2787 |
}
|
|
|
2788 |
|
|
|
2789 |
/**
|
|
|
2790 |
* Restores the repository from cache. Implements method from cacheable_object interface.
|
|
|
2791 |
*
|
|
|
2792 |
* @return array
|
|
|
2793 |
*/
|
|
|
2794 |
public static function wake_from_cache($data) {
|
|
|
2795 |
$classname = $data['class'];
|
|
|
2796 |
return new $classname($data['id'], $data['ctxid'], $data['options'], $data['readonly']);
|
|
|
2797 |
}
|
|
|
2798 |
|
|
|
2799 |
/**
|
|
|
2800 |
* Gets a file relative to this file in the repository and sends it to the browser.
|
|
|
2801 |
* Used to allow relative file linking within a repository without creating file records
|
|
|
2802 |
* for linked files
|
|
|
2803 |
*
|
|
|
2804 |
* Repositories that overwrite this must be very careful - see filesystem repository for example.
|
|
|
2805 |
*
|
|
|
2806 |
* @param stored_file $mainfile The main file we are trying to access relative files for.
|
|
|
2807 |
* @param string $relativepath the relative path to the file we are trying to access.
|
|
|
2808 |
*
|
|
|
2809 |
*/
|
|
|
2810 |
public function send_relative_file(stored_file $mainfile, $relativepath) {
|
|
|
2811 |
// This repository hasn't implemented this so send_file_not_found.
|
|
|
2812 |
send_file_not_found();
|
|
|
2813 |
}
|
|
|
2814 |
|
|
|
2815 |
/**
|
|
|
2816 |
* helper function to check if the repository supports send_relative_file.
|
|
|
2817 |
*
|
|
|
2818 |
* @return true|false
|
|
|
2819 |
*/
|
|
|
2820 |
public function supports_relative_file() {
|
|
|
2821 |
return false;
|
|
|
2822 |
}
|
|
|
2823 |
|
|
|
2824 |
/**
|
|
|
2825 |
* Helper function to indicate if this repository uses post requests for uploading files.
|
|
|
2826 |
*
|
|
|
2827 |
* @deprecated since Moodle 3.2, 3.1.1, 3.0.5
|
|
|
2828 |
* @return bool
|
|
|
2829 |
*/
|
|
|
2830 |
public function uses_post_requests() {
|
|
|
2831 |
debugging('The method repository::uses_post_requests() is deprecated and must not be used anymore.', DEBUG_DEVELOPER);
|
|
|
2832 |
return false;
|
|
|
2833 |
}
|
|
|
2834 |
|
|
|
2835 |
/**
|
|
|
2836 |
* Generate a secret key to be used for passing sensitive information around.
|
|
|
2837 |
*
|
|
|
2838 |
* @return string repository secret key.
|
|
|
2839 |
*/
|
|
|
2840 |
final public static function get_secret_key() {
|
|
|
2841 |
global $CFG;
|
|
|
2842 |
|
|
|
2843 |
if (!isset($CFG->reposecretkey)) {
|
|
|
2844 |
set_config('reposecretkey', time() . random_string(32));
|
|
|
2845 |
}
|
|
|
2846 |
return $CFG->reposecretkey;
|
|
|
2847 |
}
|
|
|
2848 |
}
|
|
|
2849 |
|
|
|
2850 |
/**
|
|
|
2851 |
* Exception class for repository api
|
|
|
2852 |
*
|
|
|
2853 |
* @since Moodle 2.0
|
|
|
2854 |
* @package core_repository
|
|
|
2855 |
* @copyright 2009 Dongsheng Cai {@link http://dongsheng.org}
|
|
|
2856 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
2857 |
*/
|
|
|
2858 |
class repository_exception extends moodle_exception {
|
|
|
2859 |
}
|
|
|
2860 |
|
|
|
2861 |
/**
|
|
|
2862 |
* This is a class used to define a repository instance form
|
|
|
2863 |
*
|
|
|
2864 |
* @since Moodle 2.0
|
|
|
2865 |
* @package core_repository
|
|
|
2866 |
* @copyright 2009 Dongsheng Cai {@link http://dongsheng.org}
|
|
|
2867 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
2868 |
*/
|
|
|
2869 |
final class repository_instance_form extends moodleform {
|
|
|
2870 |
/** @var stdClass repository instance */
|
|
|
2871 |
protected $instance;
|
|
|
2872 |
/** @var string repository plugin type */
|
|
|
2873 |
protected $plugin;
|
|
|
2874 |
/** @var string repository type ID */
|
|
|
2875 |
protected $typeid;
|
|
|
2876 |
/** @var string repository context ID */
|
|
|
2877 |
protected $contextid;
|
|
|
2878 |
|
|
|
2879 |
/**
|
|
|
2880 |
* Added defaults to moodle form
|
|
|
2881 |
*/
|
|
|
2882 |
protected function add_defaults() {
|
|
|
2883 |
$mform =& $this->_form;
|
|
|
2884 |
$strrequired = get_string('required');
|
|
|
2885 |
|
|
|
2886 |
$mform->addElement('hidden', 'edit', ($this->instance) ? $this->instance->id : 0);
|
|
|
2887 |
$mform->setType('edit', PARAM_INT);
|
|
|
2888 |
$mform->addElement('hidden', 'new', $this->plugin);
|
|
|
2889 |
$mform->setType('new', PARAM_ALPHANUMEXT);
|
|
|
2890 |
$mform->addElement('hidden', 'plugin', $this->plugin);
|
|
|
2891 |
$mform->setType('plugin', PARAM_PLUGIN);
|
|
|
2892 |
$mform->addElement('hidden', 'typeid', $this->typeid);
|
|
|
2893 |
$mform->setType('typeid', PARAM_INT);
|
|
|
2894 |
$mform->addElement('hidden', 'contextid', $this->contextid);
|
|
|
2895 |
$mform->setType('contextid', PARAM_INT);
|
|
|
2896 |
|
|
|
2897 |
$mform->addElement('text', 'name', get_string('name'), 'maxlength="100" size="30"');
|
|
|
2898 |
$mform->addRule('name', $strrequired, 'required', null, 'client');
|
|
|
2899 |
$mform->setType('name', PARAM_TEXT);
|
|
|
2900 |
}
|
|
|
2901 |
|
|
|
2902 |
/**
|
|
|
2903 |
* Define moodle form elements
|
|
|
2904 |
*/
|
|
|
2905 |
public function definition() {
|
|
|
2906 |
global $CFG;
|
|
|
2907 |
// type of plugin, string
|
|
|
2908 |
$this->plugin = $this->_customdata['plugin'];
|
|
|
2909 |
$this->typeid = $this->_customdata['typeid'];
|
|
|
2910 |
$this->contextid = $this->_customdata['contextid'];
|
|
|
2911 |
$this->instance = (isset($this->_customdata['instance'])
|
|
|
2912 |
&& is_subclass_of($this->_customdata['instance'], 'repository'))
|
|
|
2913 |
? $this->_customdata['instance'] : null;
|
|
|
2914 |
|
|
|
2915 |
$mform =& $this->_form;
|
|
|
2916 |
|
|
|
2917 |
$this->add_defaults();
|
|
|
2918 |
|
|
|
2919 |
// Add instance config options.
|
|
|
2920 |
$result = repository::static_function($this->plugin, 'instance_config_form', $mform);
|
|
|
2921 |
if ($result === false) {
|
|
|
2922 |
// Remove the name element if no other config options.
|
|
|
2923 |
$mform->removeElement('name');
|
|
|
2924 |
}
|
|
|
2925 |
if ($this->instance) {
|
|
|
2926 |
$data = array();
|
|
|
2927 |
$data['name'] = $this->instance->name;
|
|
|
2928 |
if (!$this->instance->readonly) {
|
|
|
2929 |
// and set the data if we have some.
|
|
|
2930 |
foreach ($this->instance->get_instance_option_names() as $config) {
|
|
|
2931 |
if (!empty($this->instance->options[$config])) {
|
|
|
2932 |
$data[$config] = $this->instance->options[$config];
|
|
|
2933 |
} else {
|
|
|
2934 |
$data[$config] = '';
|
|
|
2935 |
}
|
|
|
2936 |
}
|
|
|
2937 |
}
|
|
|
2938 |
$this->set_data($data);
|
|
|
2939 |
}
|
|
|
2940 |
|
|
|
2941 |
if ($result === false) {
|
|
|
2942 |
$mform->addElement('cancel');
|
|
|
2943 |
} else {
|
|
|
2944 |
$this->add_action_buttons(true, get_string('save','repository'));
|
|
|
2945 |
}
|
|
|
2946 |
}
|
|
|
2947 |
|
|
|
2948 |
/**
|
|
|
2949 |
* Validate moodle form data
|
|
|
2950 |
*
|
|
|
2951 |
* @param array $data form data
|
|
|
2952 |
* @param array $files files in form
|
|
|
2953 |
* @return array errors
|
|
|
2954 |
*/
|
|
|
2955 |
public function validation($data, $files) {
|
|
|
2956 |
global $DB;
|
|
|
2957 |
$errors = array();
|
|
|
2958 |
$plugin = $this->_customdata['plugin'];
|
|
|
2959 |
$instance = (isset($this->_customdata['instance'])
|
|
|
2960 |
&& is_subclass_of($this->_customdata['instance'], 'repository'))
|
|
|
2961 |
? $this->_customdata['instance'] : null;
|
|
|
2962 |
|
|
|
2963 |
if (!$instance) {
|
|
|
2964 |
$errors = repository::static_function($plugin, 'instance_form_validation', $this, $data, $errors);
|
|
|
2965 |
} else {
|
|
|
2966 |
$errors = $instance->instance_form_validation($this, $data, $errors);
|
|
|
2967 |
}
|
|
|
2968 |
|
|
|
2969 |
$sql = "SELECT count('x')
|
|
|
2970 |
FROM {repository_instances} i, {repository} r
|
|
|
2971 |
WHERE r.type=:plugin AND r.id=i.typeid AND i.name=:name AND i.contextid=:contextid";
|
|
|
2972 |
$params = array('name' => $data['name'], 'plugin' => $this->plugin, 'contextid' => $this->contextid);
|
|
|
2973 |
if ($instance) {
|
|
|
2974 |
$sql .= ' AND i.id != :instanceid';
|
|
|
2975 |
$params['instanceid'] = $instance->id;
|
|
|
2976 |
}
|
|
|
2977 |
if ($DB->count_records_sql($sql, $params) > 0) {
|
|
|
2978 |
$errors['name'] = get_string('erroruniquename', 'repository');
|
|
|
2979 |
}
|
|
|
2980 |
|
|
|
2981 |
return $errors;
|
|
|
2982 |
}
|
|
|
2983 |
}
|
|
|
2984 |
|
|
|
2985 |
/**
|
|
|
2986 |
* This is a class used to define a repository type setting form
|
|
|
2987 |
*
|
|
|
2988 |
* @since Moodle 2.0
|
|
|
2989 |
* @package core_repository
|
|
|
2990 |
* @copyright 2009 Dongsheng Cai {@link http://dongsheng.org}
|
|
|
2991 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
2992 |
*/
|
|
|
2993 |
final class repository_type_form extends moodleform {
|
|
|
2994 |
/** @var stdClass repository instance */
|
|
|
2995 |
protected $instance;
|
|
|
2996 |
/** @var string repository plugin name */
|
|
|
2997 |
protected $plugin;
|
|
|
2998 |
/** @var string action */
|
|
|
2999 |
protected $action;
|
|
|
3000 |
/** @var string plugin name */
|
|
|
3001 |
protected $pluginname;
|
|
|
3002 |
|
|
|
3003 |
/**
|
|
|
3004 |
* Definition of the moodleform
|
|
|
3005 |
*/
|
|
|
3006 |
public function definition() {
|
|
|
3007 |
global $CFG;
|
|
|
3008 |
// type of plugin, string
|
|
|
3009 |
$this->plugin = $this->_customdata['plugin'];
|
|
|
3010 |
$this->instance = (isset($this->_customdata['instance'])
|
|
|
3011 |
&& is_a($this->_customdata['instance'], 'repository_type'))
|
|
|
3012 |
? $this->_customdata['instance'] : null;
|
|
|
3013 |
|
|
|
3014 |
$this->action = $this->_customdata['action'];
|
|
|
3015 |
$this->pluginname = $this->_customdata['pluginname'];
|
|
|
3016 |
$mform =& $this->_form;
|
|
|
3017 |
$strrequired = get_string('required');
|
|
|
3018 |
|
|
|
3019 |
$mform->addElement('hidden', 'action', $this->action);
|
|
|
3020 |
$mform->setType('action', PARAM_TEXT);
|
|
|
3021 |
$mform->addElement('hidden', 'repos', $this->plugin);
|
|
|
3022 |
$mform->setType('repos', PARAM_PLUGIN);
|
|
|
3023 |
|
|
|
3024 |
// let the plugin add its specific fields
|
|
|
3025 |
$classname = 'repository_' . $this->plugin;
|
|
|
3026 |
require_once($CFG->dirroot . '/repository/' . $this->plugin . '/lib.php');
|
|
|
3027 |
//add "enable course/user instances" checkboxes if multiple instances are allowed
|
|
|
3028 |
$instanceoptionnames = repository::static_function($this->plugin, 'get_instance_option_names');
|
|
|
3029 |
|
|
|
3030 |
$result = call_user_func(array($classname, 'type_config_form'), $mform, $classname);
|
|
|
3031 |
|
|
|
3032 |
if (!empty($instanceoptionnames)) {
|
|
|
3033 |
$sm = get_string_manager();
|
|
|
3034 |
$component = 'repository';
|
|
|
3035 |
if ($sm->string_exists('enablecourseinstances', 'repository_' . $this->plugin)) {
|
|
|
3036 |
$component .= ('_' . $this->plugin);
|
|
|
3037 |
}
|
|
|
3038 |
$mform->addElement('checkbox', 'enablecourseinstances', get_string('enablecourseinstances', $component));
|
|
|
3039 |
$mform->setType('enablecourseinstances', PARAM_BOOL);
|
|
|
3040 |
|
|
|
3041 |
$component = 'repository';
|
|
|
3042 |
if ($sm->string_exists('enableuserinstances', 'repository_' . $this->plugin)) {
|
|
|
3043 |
$component .= ('_' . $this->plugin);
|
|
|
3044 |
}
|
|
|
3045 |
$mform->addElement('checkbox', 'enableuserinstances', get_string('enableuserinstances', $component));
|
|
|
3046 |
$mform->setType('enableuserinstances', PARAM_BOOL);
|
|
|
3047 |
}
|
|
|
3048 |
|
|
|
3049 |
// set the data if we have some.
|
|
|
3050 |
if ($this->instance) {
|
|
|
3051 |
$data = array();
|
|
|
3052 |
$option_names = call_user_func(array($classname,'get_type_option_names'));
|
|
|
3053 |
if (!empty($instanceoptionnames)){
|
|
|
3054 |
$option_names[] = 'enablecourseinstances';
|
|
|
3055 |
$option_names[] = 'enableuserinstances';
|
|
|
3056 |
}
|
|
|
3057 |
|
|
|
3058 |
$instanceoptions = $this->instance->get_options();
|
|
|
3059 |
foreach ($option_names as $config) {
|
|
|
3060 |
if (!empty($instanceoptions[$config])) {
|
|
|
3061 |
$data[$config] = $instanceoptions[$config];
|
|
|
3062 |
} else {
|
|
|
3063 |
$data[$config] = '';
|
|
|
3064 |
}
|
|
|
3065 |
}
|
|
|
3066 |
// XXX: set plugin name for plugins which doesn't have muliti instances
|
|
|
3067 |
if (empty($instanceoptionnames)){
|
|
|
3068 |
$data['pluginname'] = $this->pluginname;
|
|
|
3069 |
}
|
|
|
3070 |
$this->set_data($data);
|
|
|
3071 |
}
|
|
|
3072 |
|
|
|
3073 |
$this->add_action_buttons(true, get_string('save','repository'));
|
|
|
3074 |
}
|
|
|
3075 |
|
|
|
3076 |
/**
|
|
|
3077 |
* Validate moodle form data
|
|
|
3078 |
*
|
|
|
3079 |
* @param array $data moodle form data
|
|
|
3080 |
* @param array $files
|
|
|
3081 |
* @return array errors
|
|
|
3082 |
*/
|
|
|
3083 |
public function validation($data, $files) {
|
|
|
3084 |
$errors = array();
|
|
|
3085 |
$plugin = $this->_customdata['plugin'];
|
|
|
3086 |
$instance = (isset($this->_customdata['instance'])
|
|
|
3087 |
&& is_subclass_of($this->_customdata['instance'], 'repository'))
|
|
|
3088 |
? $this->_customdata['instance'] : null;
|
|
|
3089 |
if (!$instance) {
|
|
|
3090 |
$errors = repository::static_function($plugin, 'type_form_validation', $this, $data, $errors);
|
|
|
3091 |
} else {
|
|
|
3092 |
$errors = $instance->type_form_validation($this, $data, $errors);
|
|
|
3093 |
}
|
|
|
3094 |
|
|
|
3095 |
return $errors;
|
|
|
3096 |
}
|
|
|
3097 |
}
|
|
|
3098 |
|
|
|
3099 |
/**
|
|
|
3100 |
* Generate all options needed by filepicker
|
|
|
3101 |
*
|
|
|
3102 |
* @param stdClass $args including following keys
|
|
|
3103 |
* context
|
|
|
3104 |
* accepted_types
|
|
|
3105 |
* return_types
|
|
|
3106 |
*
|
|
|
3107 |
* @return stdClass the list of repository instances, including meta infomation, containing the following keys
|
|
|
3108 |
* externallink
|
|
|
3109 |
* repositories
|
|
|
3110 |
* accepted_types
|
|
|
3111 |
*/
|
|
|
3112 |
function initialise_filepicker($args) {
|
|
|
3113 |
global $CFG, $USER, $PAGE;
|
|
|
3114 |
static $templatesinitialized = array();
|
|
|
3115 |
require_once($CFG->libdir . '/licenselib.php');
|
|
|
3116 |
|
|
|
3117 |
$return = new stdClass();
|
|
|
3118 |
|
|
|
3119 |
$licenses = license_manager::get_licenses();
|
|
|
3120 |
|
|
|
3121 |
if (!empty($CFG->sitedefaultlicense)) {
|
|
|
3122 |
$return->defaultlicense = $CFG->sitedefaultlicense;
|
|
|
3123 |
}
|
|
|
3124 |
|
|
|
3125 |
$return->licenses = $licenses;
|
|
|
3126 |
|
|
|
3127 |
$return->author = fullname($USER);
|
|
|
3128 |
|
|
|
3129 |
if (empty($args->context)) {
|
|
|
3130 |
$context = $PAGE->context;
|
|
|
3131 |
} else {
|
|
|
3132 |
$context = $args->context;
|
|
|
3133 |
}
|
|
|
3134 |
$disable_types = array();
|
|
|
3135 |
if (!empty($args->disable_types)) {
|
|
|
3136 |
$disable_types = $args->disable_types;
|
|
|
3137 |
}
|
|
|
3138 |
|
|
|
3139 |
$user_context = context_user::instance($USER->id);
|
|
|
3140 |
|
|
|
3141 |
list($context, $course, $cm) = get_context_info_array($context->id);
|
|
|
3142 |
$contexts = array($user_context, context_system::instance());
|
|
|
3143 |
if (!empty($course)) {
|
|
|
3144 |
// adding course context
|
|
|
3145 |
$contexts[] = context_course::instance($course->id);
|
|
|
3146 |
}
|
|
|
3147 |
$externallink = (int)get_config(null, 'repositoryallowexternallinks');
|
|
|
3148 |
$repositories = repository::get_instances(array(
|
|
|
3149 |
'context'=>$contexts,
|
|
|
3150 |
'currentcontext'=> $context,
|
|
|
3151 |
'accepted_types'=>$args->accepted_types,
|
|
|
3152 |
'return_types'=>$args->return_types,
|
|
|
3153 |
'disable_types'=>$disable_types
|
|
|
3154 |
));
|
|
|
3155 |
|
|
|
3156 |
$return->repositories = array();
|
|
|
3157 |
|
|
|
3158 |
if (empty($externallink)) {
|
|
|
3159 |
$return->externallink = false;
|
|
|
3160 |
} else {
|
|
|
3161 |
$return->externallink = true;
|
|
|
3162 |
}
|
|
|
3163 |
|
|
|
3164 |
$return->rememberuserlicensepref = (bool) get_config(null, 'rememberuserlicensepref');
|
|
|
3165 |
|
|
|
3166 |
$return->userprefs = array();
|
|
|
3167 |
$return->userprefs['recentrepository'] = get_user_preferences('filepicker_recentrepository', '');
|
|
|
3168 |
$return->userprefs['recentlicense'] = get_user_preferences('filepicker_recentlicense', '');
|
|
|
3169 |
$return->userprefs['recentviewmode'] = get_user_preferences('filepicker_recentviewmode', '');
|
|
|
3170 |
|
|
|
3171 |
// provided by form element
|
|
|
3172 |
$return->accepted_types = file_get_typegroup('extension', $args->accepted_types);
|
|
|
3173 |
$return->return_types = $args->return_types;
|
|
|
3174 |
$templates = array();
|
|
|
3175 |
foreach ($repositories as $repository) {
|
|
|
3176 |
$meta = $repository->get_meta();
|
|
|
3177 |
// Please note that the array keys for repositories are used within
|
|
|
3178 |
// JavaScript a lot, the key NEEDS to be the repository id.
|
|
|
3179 |
$return->repositories[$repository->id] = $meta;
|
|
|
3180 |
// Register custom repository template if it has one
|
|
|
3181 |
if(method_exists($repository, 'get_upload_template') && !array_key_exists('uploadform_' . $meta->type, $templatesinitialized)) {
|
|
|
3182 |
$templates['uploadform_' . $meta->type] = $repository->get_upload_template();
|
|
|
3183 |
$templatesinitialized['uploadform_' . $meta->type] = true;
|
|
|
3184 |
}
|
|
|
3185 |
}
|
|
|
3186 |
if (!array_key_exists('core', $templatesinitialized)) {
|
|
|
3187 |
// we need to send each filepicker template to the browser just once
|
|
|
3188 |
$fprenderer = $PAGE->get_renderer('core', 'files');
|
|
|
3189 |
$templates = array_merge($templates, $fprenderer->filepicker_js_templates());
|
|
|
3190 |
$templatesinitialized['core'] = true;
|
|
|
3191 |
}
|
|
|
3192 |
if (sizeof($templates)) {
|
|
|
3193 |
$PAGE->requires->js_init_call('M.core_filepicker.set_templates', array($templates), true);
|
|
|
3194 |
}
|
|
|
3195 |
return $return;
|
|
|
3196 |
}
|
|
|
3197 |
|
|
|
3198 |
/**
|
|
|
3199 |
* Convenience function to handle deletion of files.
|
|
|
3200 |
*
|
|
|
3201 |
* @param object $context The context where the delete is called
|
|
|
3202 |
* @param string $component component
|
|
|
3203 |
* @param string $filearea filearea
|
|
|
3204 |
* @param int $itemid the item id
|
|
|
3205 |
* @param array $files Array of files object with each item having filename/filepath as values
|
|
|
3206 |
* @return array $return Array of strings matching up to the parent directory of the deleted files
|
|
|
3207 |
* @throws coding_exception
|
|
|
3208 |
*/
|
|
|
3209 |
function repository_delete_selected_files($context, string $component, string $filearea, $itemid, array $files) {
|
|
|
3210 |
$fs = get_file_storage();
|
|
|
3211 |
$return = [];
|
|
|
3212 |
|
|
|
3213 |
foreach ($files as $selectedfile) {
|
|
|
3214 |
$filename = clean_filename($selectedfile->filename);
|
|
|
3215 |
$filepath = clean_param($selectedfile->filepath, PARAM_PATH);
|
|
|
3216 |
$filepath = file_correct_filepath($filepath);
|
|
|
3217 |
|
|
|
3218 |
if ($storedfile = $fs->get_file($context->id, $component, $filearea, $itemid, $filepath, $filename)) {
|
|
|
3219 |
$parentpath = $storedfile->get_parent_directory()->get_filepath();
|
|
|
3220 |
if ($storedfile->is_directory()) {
|
|
|
3221 |
$files = $fs->get_directory_files($context->id, $component, $filearea, $itemid, $filepath, true);
|
|
|
3222 |
foreach ($files as $file) {
|
|
|
3223 |
$file->delete();
|
|
|
3224 |
// Log the event when a file is deleted from the draft area.
|
|
|
3225 |
create_event_draft_file_deleted($context, $file);
|
|
|
3226 |
}
|
|
|
3227 |
$storedfile->delete();
|
|
|
3228 |
create_event_draft_file_deleted($context, $storedfile);
|
|
|
3229 |
$return[$parentpath] = "";
|
|
|
3230 |
} else {
|
|
|
3231 |
if ($result = $storedfile->delete()) {
|
|
|
3232 |
create_event_draft_file_deleted($context, $storedfile);
|
|
|
3233 |
$return[$parentpath] = "";
|
|
|
3234 |
}
|
|
|
3235 |
}
|
|
|
3236 |
}
|
|
|
3237 |
}
|
|
|
3238 |
|
|
|
3239 |
return $return;
|
|
|
3240 |
}
|
|
|
3241 |
|
|
|
3242 |
/**
|
|
|
3243 |
* Convenience function to create draft_file_deleted log event.
|
|
|
3244 |
*
|
|
|
3245 |
* @param context $context The context where delete is called.
|
|
|
3246 |
* @param stored_file $storedfile the file to be logged.
|
|
|
3247 |
*/
|
|
|
3248 |
function create_event_draft_file_deleted(context $context, stored_file $storedfile): void {
|
|
|
3249 |
$logevent = \core\event\draft_file_deleted::create([
|
|
|
3250 |
'objectid' => $storedfile->get_id(),
|
|
|
3251 |
'context' => $context,
|
|
|
3252 |
'other' => [
|
|
|
3253 |
'itemid' => $storedfile->get_itemid(),
|
|
|
3254 |
'filename' => $storedfile->get_filename(),
|
|
|
3255 |
'filesize' => $storedfile->get_filesize(),
|
|
|
3256 |
'filepath' => $storedfile->get_filepath(),
|
|
|
3257 |
'contenthash' => $storedfile->get_contenthash(),
|
|
|
3258 |
],
|
|
|
3259 |
]);
|
|
|
3260 |
$logevent->trigger();
|
|
|
3261 |
}
|
|
|
3262 |
|
|
|
3263 |
/**
|
|
|
3264 |
* Convenience function to handle deletion of files.
|
|
|
3265 |
*
|
|
|
3266 |
* @param object $context The context where the delete is called
|
|
|
3267 |
* @param string $component component
|
|
|
3268 |
* @param string $filearea filearea
|
|
|
3269 |
* @param int $itemid the item id
|
|
|
3270 |
* @param array $files Array of files object with each item having filename/filepath as values
|
|
|
3271 |
* @return false|stdClass $return Object containing URL of zip archive and a file path
|
|
|
3272 |
* @throws coding_exception
|
|
|
3273 |
*/
|
|
|
3274 |
function repository_download_selected_files($context, string $component, string $filearea, $itemid, array $files) {
|
|
|
3275 |
global $USER;
|
|
|
3276 |
$return = false;
|
|
|
3277 |
|
|
|
3278 |
$zipper = get_file_packer('application/zip');
|
|
|
3279 |
$fs = get_file_storage();
|
|
|
3280 |
// Archive compressed file to an unused draft area.
|
|
|
3281 |
$newdraftitemid = file_get_unused_draft_itemid();
|
|
|
3282 |
$filestoarchive = [];
|
|
|
3283 |
|
|
|
3284 |
foreach ($files as $selectedfile) {
|
|
|
3285 |
$filename = $selectedfile->filename ? clean_filename($selectedfile->filename) : '.'; // Default to '.' for root.
|
|
|
3286 |
$filepath = clean_param($selectedfile->filepath, PARAM_PATH); // Default to '/' for downloadall.
|
|
|
3287 |
$filepath = file_correct_filepath($filepath);
|
|
|
3288 |
|
|
|
3289 |
$storedfile = $fs->get_file($context->id, $component, $filearea, $itemid, $filepath, $filename);
|
|
|
3290 |
// If it is empty we are downloading a directory.
|
|
|
3291 |
$archivefile = $storedfile->get_filename();
|
|
|
3292 |
if (!$filename || $filename == '.' ) {
|
|
|
3293 |
$foldername = explode('/', trim($filepath, '/'));
|
|
|
3294 |
$folder = trim(array_pop($foldername), '/');
|
|
|
3295 |
$archivefile = $folder ?? '/';
|
|
|
3296 |
}
|
|
|
3297 |
|
|
|
3298 |
$filestoarchive[$archivefile] = $storedfile;
|
|
|
3299 |
}
|
|
|
3300 |
$zippedfile = get_string('files') . '.zip';
|
|
|
3301 |
if ($zipper->archive_to_storage(
|
|
|
3302 |
$filestoarchive,
|
|
|
3303 |
$context->id,
|
|
|
3304 |
$component,
|
|
|
3305 |
$filearea,
|
|
|
3306 |
$newdraftitemid,
|
|
|
3307 |
"/",
|
|
|
3308 |
$zippedfile,
|
|
|
3309 |
$USER->id,
|
|
|
3310 |
)) {
|
|
|
3311 |
$return = new stdClass();
|
|
|
3312 |
$return->fileurl = moodle_url::make_draftfile_url($newdraftitemid, '/', $zippedfile)->out();
|
|
|
3313 |
$return->filepath = $filepath;
|
|
|
3314 |
}
|
|
|
3315 |
|
|
|
3316 |
return $return;
|
|
|
3317 |
}
|