function get_content()
{
global $CFG, $PAGE;
if (!$CFG->usecomments) {
$this->content->text = '';
if ($this->page->user_is_editing()) {
$this->content->text = get_string('disabledcomments');
}
return $this->content;
}
if ($this->content !== NULL) {
return $this->content;
}
if (empty($this->instance)) {
return null;
}
$this->content->footer = '';
$this->content->text = '';
list($context, $course, $cm) = get_context_info_array($PAGE->context->id);
$args = new stdClass();
$args->context = $PAGE->context;
$args->course = $course;
$args->area = 'page_comments';
$args->itemid = 0;
// set 'env' to tell moodle tweak ui for this block
$args->env = 'block_comments';
$args->component = 'block_comments';
$args->linktext = get_string('showcomments');
$comment = new comment($args);
$comment->set_view_permission(true);
$this->content = new stdClass();
$this->content->text = $comment->output(true);
$this->content->footer = '';
return $this->content;
}
/**
* Local Redirect
*
* This local plugin that adds a 'friendly url' version of Google analytics
* to Moodle
*
* @package local
* @subpackage local_googleanalytics
* @copyright 2013 Bas Brands, www.basbrands.nl
* @author Bas Brands and Gavin Henrick.
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
function ga_trackurl() {
global $CFG, $DB, $PAGE, $COURSE, $OUTPUT;
$pageinfo = get_context_info_array($PAGE->context->id);
$trackurl = array();
if ($COURSE->id == 1) {
return '';
}
// Adds course category name.
if (isset($pageinfo[1]->category)) {
if ($category = $DB->get_record('course_categories', array('id'=>$pageinfo[1]->category))) {
$trackurl[] = urlencode($category->name);
}
}
// Adds course full name.
if (isset($pageinfo[1]->fullname)) {
$trackurl[] = urlencode($pageinfo[1]->fullname);
}
// Adds activity name.
if (isset($pageinfo[2]->name)) {
$trackurl[] = urlencode($pageinfo[2]->name);
}
return implode('/', $trackurl);
}
/**
* Analytics
*
* This module provides extensive analytics on a platform of choice
* Currently support Google Analytics and Piwik
*
* @package local_analytics
* @copyright David Bezemer <*****@*****.**>, www.davidbezemer.nl
* @author David Bezemer <*****@*****.**>, Bas Brands <*****@*****.**>, Gavin Henrick <*****@*****.**>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
function analytics_trackurl()
{
global $DB, $PAGE;
$pageinfo = get_context_info_array($PAGE->context->id);
$trackurl = "'/";
// Adds course category name.
if (isset($pageinfo[1]->category)) {
if ($category = $DB->get_record('course_categories', array('id' => $pageinfo[1]->category))) {
$cats = explode("/", $category->path);
foreach (array_filter($cats) as $cat) {
if ($categorydepth = $DB->get_record("course_categories", array("id" => $cat))) {
$trackurl .= urlencode($categorydepth->name) . '/';
}
}
}
}
// Adds course full name.
if (isset($pageinfo[1]->fullname)) {
if (isset($pageinfo[2]->name)) {
$trackurl .= urlencode($pageinfo[1]->fullname) . '/';
} else {
if ($PAGE->user_is_editing()) {
$trackurl .= urlencode($pageinfo[1]->fullname) . '/' . get_string('edit');
} else {
$trackurl .= urlencode($pageinfo[1]->fullname) . '/' . get_string('view');
}
}
}
// Adds activity name.
if (isset($pageinfo[2]->name)) {
$trackurl .= urlencode($pageinfo[2]->modname) . '/' . urlencode($pageinfo[2]->name);
}
$trackurl .= "'";
return $trackurl;
}
/**
* Get file listing
*
* @param string $encodedpath
* @return mixed
*/
public function get_listing($encodedpath = '', $page = '')
{
global $CFG, $USER, $OUTPUT;
$ret = array();
$ret['dynload'] = true;
$ret['nosearch'] = true;
$ret['nologin'] = true;
$list = array();
if (!empty($encodedpath)) {
$params = unserialize(base64_decode($encodedpath));
if (is_array($params)) {
$component = is_null($params['component']) ? NULL : clean_param($params['component'], PARAM_COMPONENT);
$filearea = is_null($params['filearea']) ? NULL : clean_param($params['filearea'], PARAM_AREA);
$itemid = is_null($params['itemid']) ? NULL : clean_param($params['itemid'], PARAM_INT);
$filepath = is_null($params['filepath']) ? NULL : clean_param($params['filepath'], PARAM_PATH);
$filename = is_null($params['filename']) ? NULL : clean_param($params['filename'], PARAM_FILE);
$context = get_context_instance_by_id(clean_param($params['contextid'], PARAM_INT));
}
} else {
$itemid = null;
$filename = null;
$filearea = null;
$filepath = null;
$component = null;
if (!empty($this->context)) {
list($context, $course, $cm) = get_context_info_array($this->context->id);
if (is_object($course)) {
$context = get_context_instance(CONTEXT_COURSE, $course->id);
} else {
$context = get_system_context();
}
} else {
$context = get_system_context();
}
}
$browser = get_file_browser();
$list = array();
if ($fileinfo = $browser->get_file_info($context, $component, $filearea, $itemid, $filepath, $filename)) {
// build file tree
$element = repository_local_file::retrieve_file_info($fileinfo, $this);
$nonemptychildren = $element->get_non_empty_children();
foreach ($nonemptychildren as $child) {
$list[] = (array) $child->get_node();
}
} else {
// if file doesn't exist, build path nodes root of current context
$fileinfo = $browser->get_file_info($context, null, null, null, null, null);
}
// build path navigation
$ret['path'] = array();
$element = repository_local_file::retrieve_file_info($fileinfo, $this);
for ($level = $element; $level; $level = $level->get_parent()) {
if ($level == $element || !$level->can_skip()) {
array_unshift($ret['path'], $level->get_node_path());
}
}
$ret['list'] = array_filter($list, array($this, 'filter'));
return $ret;
}
function question_pluginfile_joomdle($course, $context, $component, $filearea, $args, $forcedownload)
{
global $DB, $CFG;
list($context, $course, $cm) = get_context_info_array($context->id);
$qubaid = (int) array_shift($args);
$filename = array_shift($args);
$module = $DB->get_field('question_usages', 'component', array('id' => $qubaid));
return question_preview_question_pluginfile_joomdle($course, $context, $component, $filearea, $qubaid, $slot, $filename, $forcedownload);
}
/**
* Serve question files when they are displayed in this export format.
*
* @param context $previewcontext the quiz context
* @param int $questionid the question id.
* @param context $filecontext the file (question) context
* @param string $filecomponent the component the file belongs to.
* @param string $filearea the file area.
* @param array $args remaining file args.
* @param bool $forcedownload.
* @param array $options additional options affecting the file serving.
*/
function qformat_xhtml_questiontext_preview_pluginfile($context, $questionid,
$args, $forcedownload, array $options = array()) {
global $CFG;
list($context, $course, $cm) = get_context_info_array($context->id);
require_login($course, false, $cm);
question_require_capability_on($questionid, 'view');
question_send_questiontext_file($questionid, $args, $forcedownload, $options);
}
/**
* Serve questiontext files in the question text when they are displayed in this report.
*
* @package mod_offlinequiz
* @category files
* @param stdClass $context the context
* @param int $questionid the question id
* @param array $args remaining file args
* @param bool $forcedownload
* @param array $options additional options affecting the file serving
*/
function offlinequiz_statistics_questiontext_preview_pluginfile($context, $questionid, $args, $forcedownload, array $options = array())
{
global $CFG;
require_once $CFG->dirroot . '/mod/offlinequiz/locallib.php';
list($context, $course, $cm) = get_context_info_array($context->id);
require_login($course, false, $cm);
// Assume only trusted people can see this report. There is no real way to
// validate questionid, becuase of the complexity of random quetsions.
require_capability('offlinequiz/statistics:view', $context);
question_send_questiontext_file($questionid, $args, $forcedownload, $options);
}
/**
* Serve question files when they are displayed in this export format.
*
* @param context $previewcontext the quiz context
* @param int $questionid the question id.
* @param context $filecontext the file (question) context
* @param string $filecomponent the component the file belongs to.
* @param string $filearea the file area.
* @param array $args remaining file args.
* @param bool $forcedownload.
* @param array $options additional options affecting the file serving.
*/
function qformat_xhtml_question_preview_pluginfile($previewcontext, $questionid, $filecontext, $filecomponent, $filearea, $args, $forcedownload, $options = array())
{
global $CFG;
list($context, $course, $cm) = get_context_info_array($previewcontext->id);
require_login($course, false, $cm);
question_require_capability_on($questionid, 'view');
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/{$filecontext->id}/{$filecomponent}/{$filearea}/{$relativepath}";
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
send_stored_file($file, 0, 0, $forcedownload, $options);
}
/**
* Serve questiontext files in the question text when they are displayed in this report.
*
* @package quiz_statistics
* @category files
* @param context $previewcontext the quiz context
* @param int $questionid the question id.
* @param context $filecontext the file (question) context
* @param string $filecomponent the component the file belongs to.
* @param string $filearea the file area.
* @param array $args remaining file args.
* @param bool $forcedownload.
* @param array $options additional options affecting the file serving.
*/
function quiz_statistics_question_preview_pluginfile($previewcontext, $questionid, $filecontext, $filecomponent, $filearea, $args, $forcedownload, $options = array())
{
global $CFG;
require_once $CFG->dirroot . '/mod/quiz/locallib.php';
list($context, $course, $cm) = get_context_info_array($previewcontext->id);
require_login($course, false, $cm);
// Assume only trusted people can see this report. There is no real way to
// validate questionid, becuase of the complexity of random quetsions.
require_capability('quiz/statistics:view', $context);
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/{$filecontext->id}/{$filecomponent}/{$filearea}/{$relativepath}";
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
send_stored_file($file, 0, 0, $forcedownload, $options);
}
public function __construct($context, $itemid, $filearea = 'submission')
{
global $USER, $CFG;
require_once $CFG->libdir . '/portfoliolib.php';
$this->context = $context;
list($context, $course, $cm) = get_context_info_array($context->id);
$this->cm = $cm;
$this->course = $course;
$fs = get_file_storage();
$this->dir = $fs->get_area_tree($this->context->id, 'mod_assignment', $filearea, $itemid);
$files = $fs->get_area_files($this->context->id, 'mod_assignment', $filearea, $itemid, "timemodified", false);
if (count($files) >= 1 && has_capability('mod/assignment:exportownsubmission', $this->context)) {
$button = new portfolio_add_button();
$button->set_callback_options('assignment_portfolio_caller', array('id' => $this->cm->id), '/mod/assignment/locallib.php');
$button->reset_formats();
$this->portfolioform = $button->to_html();
}
$this->preprocess($this->dir, $filearea);
}
function get_content()
{
global $CFG, $PAGE;
if ($this->content !== NULL) {
return $this->content;
}
if (!$CFG->usecomments) {
$this->content = new stdClass();
$this->content->text = '';
if ($this->page->user_is_editing()) {
$this->content->text = get_string('disabledcomments');
}
return $this->content;
}
$this->content = new stdClass();
$this->content->footer = '';
$this->content->text = '';
if (empty($this->instance)) {
return $this->content;
}
list($context, $course, $cm) = get_context_info_array($PAGE->context->id);
$args = new stdClass();
$args->context = $PAGE->context;
$args->course = $course;
$args->area = 'page_comments';
$args->itemid = 0;
$args->component = 'block_comments';
$args->linktext = get_string('showcomments');
$args->notoggle = true;
$args->autostart = true;
$args->displaycancel = false;
$comment = new comment($args);
$comment->set_view_permission(true);
$comment->set_fullwidth();
$this->content = new stdClass();
$this->content->text = $comment->output(true);
$this->content->footer = '';
return $this->content;
}
// get manager by id
$manager = get_grading_manager($areaid);
} else {
// get manager by context and component
if (is_null($contextid) or is_null($component) or is_null($area)) {
throw new coding_exception('The caller script must identify the gradable area.');
}
$context = context::instance_by_id($contextid, MUST_EXIST);
$manager = get_grading_manager($context, $component, $area);
}
if ($manager->get_context()->contextlevel < CONTEXT_COURSE) {
throw new coding_exception('Unsupported gradable area context level');
}
// get the currently active method
$method = $manager->get_active_method();
list($context, $course, $cm) = get_context_info_array($manager->get_context()->id);
require_login($course, true, $cm);
require_capability('moodle/grade:managegradingforms', $context);
if (!empty($returnurl)) {
$returnurl = new moodle_url($returnurl);
} else {
$returnurl = null;
}
$PAGE->set_url($manager->get_management_url($returnurl));
navigation_node::override_active_url($manager->get_management_url());
$PAGE->set_title(get_string('gradingmanagement', 'core_grading'));
$PAGE->set_heading(get_string('gradingmanagement', 'core_grading'));
$output = $PAGE->get_renderer('core_grading');
// process the eventual change of the active grading method
if (!empty($setmethod)) {
require_sesskey();
/**
* Generate all options needed by filepicker
*
* @param array $args including following keys
* context
* accepted_types
* return_types
*
* @return array the list of repository instances, including meta infomation, containing the following keys
* externallink
* repositories
* accepted_types
*/
function initialise_filepicker($args)
{
global $CFG, $USER, $PAGE, $OUTPUT;
static $templatesinitialized = array();
require_once $CFG->libdir . '/licenselib.php';
$return = new stdClass();
$licenses = array();
if (!empty($CFG->licenses)) {
$array = explode(',', $CFG->licenses);
foreach ($array as $license) {
$l = new stdClass();
$l->shortname = $license;
$l->fullname = get_string($license, 'license');
$licenses[] = $l;
}
}
if (!empty($CFG->sitedefaultlicense)) {
$return->defaultlicense = $CFG->sitedefaultlicense;
}
$return->licenses = $licenses;
$return->author = fullname($USER);
if (empty($args->context)) {
$context = $PAGE->context;
} else {
$context = $args->context;
}
$disable_types = array();
if (!empty($args->disable_types)) {
$disable_types = $args->disable_types;
}
$user_context = context_user::instance($USER->id);
list($context, $course, $cm) = get_context_info_array($context->id);
$contexts = array($user_context, context_system::instance());
if (!empty($course)) {
// adding course context
$contexts[] = context_course::instance($course->id);
}
$externallink = (int) get_config(null, 'repositoryallowexternallinks');
$repositories = repository::get_instances(array('context' => $contexts, 'currentcontext' => $context, 'accepted_types' => $args->accepted_types, 'return_types' => $args->return_types, 'disable_types' => $disable_types));
$return->repositories = array();
if (empty($externallink)) {
$return->externallink = false;
} else {
$return->externallink = true;
}
$return->userprefs = array();
$return->userprefs['recentrepository'] = get_user_preferences('filepicker_recentrepository', '');
$return->userprefs['recentlicense'] = get_user_preferences('filepicker_recentlicense', '');
$return->userprefs['recentviewmode'] = get_user_preferences('filepicker_recentviewmode', '');
user_preference_allow_ajax_update('filepicker_recentrepository', PARAM_INT);
user_preference_allow_ajax_update('filepicker_recentlicense', PARAM_SAFEDIR);
user_preference_allow_ajax_update('filepicker_recentviewmode', PARAM_INT);
// provided by form element
$return->accepted_types = file_get_typegroup('extension', $args->accepted_types);
$return->return_types = $args->return_types;
$templates = array();
foreach ($repositories as $repository) {
$meta = $repository->get_meta();
// Please note that the array keys for repositories are used within
// JavaScript a lot, the key NEEDS to be the repository id.
$return->repositories[$repository->id] = $meta;
// Register custom repository template if it has one
if (method_exists($repository, 'get_upload_template') && !array_key_exists('uploadform_' . $meta->type, $templatesinitialized)) {
$templates['uploadform_' . $meta->type] = $repository->get_upload_template();
$templatesinitialized['uploadform_' . $meta->type] = true;
}
}
if (!array_key_exists('core', $templatesinitialized)) {
// we need to send each filepicker template to the browser just once
$fprenderer = $PAGE->get_renderer('core', 'files');
$templates = array_merge($templates, $fprenderer->filepicker_js_templates());
$templatesinitialized['core'] = true;
}
if (sizeof($templates)) {
$PAGE->requires->js_init_call('M.core_filepicker.set_templates', array($templates), true);
}
return $return;
}
/**
* Return a list of page types
* @param string $pagetype current page type
* @param stdClass $parentcontext Block's parent context
* @param stdClass $currentcontext Current context of block
*/
function course_page_type_list($pagetype, $parentcontext, $currentcontext)
{
// if above course context ,display all course fomats
list($currentcontext, $course, $cm) = get_context_info_array($currentcontext->id);
if ($course->id == SITEID) {
return array('*' => get_string('page-x', 'pagetype'));
} else {
return array('*' => get_string('page-x', 'pagetype'), 'course-*' => get_string('page-course-x', 'pagetype'), 'course-view-*' => get_string('page-course-view-x', 'pagetype'));
}
}
/**
* takes a list of records, the current data, a search string,
* and mode to display prints the translated template
*
* @global object
* @global object
* @param string $template
* @param array $records
* @param object $data
* @param string $search
* @param int $page
* @param bool $return
* @return mixed
*/
function data_print_template($template, $records, $data, $search='', $page=0, $return=false) {
global $CFG, $DB, $OUTPUT;
$cm = get_coursemodule_from_instance('data', $data->id);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
static $fields = NULL;
static $isteacher;
static $dataid = NULL;
if (empty($dataid)) {
$dataid = $data->id;
} else if ($dataid != $data->id) {
$fields = NULL;
}
if (empty($fields)) {
$fieldrecords = $DB->get_records('data_fields', array('dataid'=>$data->id));
foreach ($fieldrecords as $fieldrecord) {
$fields[]= data_get_field($fieldrecord, $data);
}
$isteacher = has_capability('mod/data:managetemplates', $context);
}
if (empty($records)) {
return;
}
foreach ($records as $record) { // Might be just one for the single template
// Replacing tags
$patterns = array();
$replacement = array();
// Then we generate strings to replace for normal tags
foreach ($fields as $field) {
$patterns[]='[['.$field->field->name.']]';
$replacement[] = highlight($search, $field->display_browse_field($record->id, $template));
}
// Replacing special tags (##Edit##, ##Delete##, ##More##)
$patterns[]='##edit##';
$patterns[]='##delete##';
if (has_capability('mod/data:manageentries', $context) or data_isowner($record->id)) {
$replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/edit.php?d='
.$data->id.'&rid='.$record->id.'&sesskey='.sesskey().'"><img src="'.$OUTPUT->pix_url('t/edit') . '" class="iconsmall" alt="'.get_string('edit').'" title="'.get_string('edit').'" /></a>';
$replacement[] = '<a href="'.$CFG->wwwroot.'/mod/data/view.php?d='
.$data->id.'&delete='.$record->id.'&sesskey='.sesskey().'"><img src="'.$OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt="'.get_string('delete').'" title="'.get_string('delete').'" /></a>';
} else {
$replacement[] = '';
$replacement[] = '';
}
$moreurl = $CFG->wwwroot . '/mod/data/view.php?d=' . $data->id . '&rid=' . $record->id;
if ($search) {
$moreurl .= '&filter=1';
}
$patterns[]='##more##';
$replacement[] = '<a href="' . $moreurl . '"><img src="' . $OUTPUT->pix_url('i/search') . '" class="iconsmall" alt="' . get_string('more', 'data') . '" title="' . get_string('more', 'data') . '" /></a>';
$patterns[]='##moreurl##';
$replacement[] = $moreurl;
$patterns[]='##user##';
$replacement[] = '<a href="'.$CFG->wwwroot.'/user/view.php?id='.$record->userid.
'&course='.$data->course.'">'.fullname($record).'</a>';
$patterns[]='##export##';
if (!empty($CFG->enableportfolios) && ($template == 'singletemplate' || $template == 'listtemplate')
&& ((has_capability('mod/data:exportentry', $context)
|| (data_isowner($record->id) && has_capability('mod/data:exportownentry', $context))))) {
require_once($CFG->libdir . '/portfoliolib.php');
$button = new portfolio_add_button();
$button->set_callback_options('data_portfolio_caller', array('id' => $cm->id, 'recordid' => $record->id), '/mod/data/locallib.php');
list($formats, $files) = data_portfolio_caller::formats($fields, $record);
$button->set_formats($formats);
$replacement[] = $button->to_html(PORTFOLIO_ADD_ICON_LINK);
} else {
$replacement[] = '';
}
$patterns[] = '##timeadded##';
$replacement[] = userdate($record->timecreated);
$patterns[] = '##timemodified##';
$replacement [] = userdate($record->timemodified);
$patterns[]='##approve##';
if (has_capability('mod/data:approve', $context) && ($data->approval) && (!$record->approved)){
$replacement[] = '<span class="approve"><a href="'.$CFG->wwwroot.'/mod/data/view.php?d='.$data->id.'&approve='.$record->id.'&sesskey='.sesskey().'"><img src="'.$OUTPUT->pix_url('i/approve') . '" class="icon" alt="'.get_string('approve').'" /></a></span>';
} else {
$replacement[] = '';
}
$patterns[]='##comments##';
if (($template == 'listtemplate') && ($data->comments)) {
if (!empty($CFG->usecomments)) {
require_once($CFG->dirroot . '/comment/lib.php');
list($context, $course, $cm) = get_context_info_array($context->id);
$cmt = new stdClass();
$cmt->context = $context;
$cmt->course = $course;
$cmt->cm = $cm;
$cmt->area = 'database_entry';
$cmt->itemid = $record->id;
$cmt->showcount = true;
$cmt->component = 'mod_data';
$comment = new comment($cmt);
$replacement[] = $comment->output(true);
}
} else {
$replacement[] = '';
}
// actual replacement of the tags
$newtext = str_ireplace($patterns, $replacement, $data->{$template});
// no more html formatting and filtering - see MDL-6635
if ($return) {
return $newtext;
} else {
echo $newtext;
// hack alert - return is always false in singletemplate anyway ;-)
/**********************************
* Printing Ratings Form *
*********************************/
if ($template == 'singletemplate') { //prints ratings options
data_print_ratings($data, $record);
}
/**********************************
* Printing Comments Form *
*********************************/
if (($template == 'singletemplate') && ($data->comments)) {
if (!empty($CFG->usecomments)) {
require_once($CFG->dirroot . '/comment/lib.php');
list($context, $course, $cm) = get_context_info_array($context->id);
$cmt = new stdClass();
$cmt->context = $context;
$cmt->course = $course;
$cmt->cm = $cm;
$cmt->area = 'database_entry';
$cmt->itemid = $record->id;
$cmt->showcount = true;
$cmt->component = 'mod_data';
$comment = new comment($cmt);
$comment->output(false);
}
}
}
}
}
/**
* Called via pluginfile.php -> question_pluginfile to serve files belonging to
* a question in a question_attempt when that attempt is a preview.
*
* @package core_question
* @category files
* @param stdClass $course course settings object
* @param stdClass $context context object
* @param string $component the name of the component we are serving files for.
* @param string $filearea the name of the file area.
* @param int $qubaid the question_usage this image belongs to.
* @param int $slot the relevant slot within the usage.
* @param array $args the remaining bits of the file path.
* @param bool $forcedownload whether the user must be forced to download the file.
* @param array $options additional options affecting the file serving
* @return bool false if file not found, does not return if found - justsend the file
*/
function question_preview_question_pluginfile($course, $context, $component, $filearea, $qubaid, $slot, $args, $forcedownload, $fileoptions)
{
global $USER, $DB, $CFG;
list($context, $course, $cm) = get_context_info_array($context->id);
require_login($course, false, $cm);
$quba = question_engine::load_questions_usage_by_activity($qubaid);
if (!question_has_capability_on($quba->get_question($slot), 'use')) {
send_file_not_found();
}
$options = new question_display_options();
$options->feedback = question_display_options::VISIBLE;
$options->numpartscorrect = question_display_options::VISIBLE;
$options->generalfeedback = question_display_options::VISIBLE;
$options->rightanswer = question_display_options::VISIBLE;
$options->manualcomment = question_display_options::VISIBLE;
$options->history = question_display_options::VISIBLE;
if (!$quba->check_file_access($slot, $options, $component, $filearea, $args, $forcedownload)) {
send_file_not_found();
}
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/{$context->id}/{$component}/{$filearea}/{$relativepath}";
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
send_stored_file($file, 0, 0, $forcedownload, $fileoptions);
}
/**
* This function delegates file serving to individual plugins
*
* @param string $relativepath
* @param bool $forcedownload
* @param null|string $preview the preview mode, defaults to serving the original file
* @todo MDL-31088 file serving improments
*/
function file_pluginfile($relativepath, $forcedownload, $preview = null)
{
global $DB, $CFG, $USER;
// relative path must start with '/'
if (!$relativepath) {
print_error('invalidargorconf');
} else {
if ($relativepath[0] != '/') {
print_error('pathdoesnotstartslash');
}
}
// extract relative path components
$args = explode('/', ltrim($relativepath, '/'));
if (count($args) < 3) {
// always at least context, component and filearea
print_error('invalidarguments');
}
$contextid = (int) array_shift($args);
$component = clean_param(array_shift($args), PARAM_COMPONENT);
$filearea = clean_param(array_shift($args), PARAM_AREA);
list($context, $course, $cm) = get_context_info_array($contextid);
$fs = get_file_storage();
// ========================================================================================================================
if ($component === 'blog') {
// Blog file serving
if ($context->contextlevel != CONTEXT_SYSTEM) {
send_file_not_found();
}
if ($filearea !== 'attachment' and $filearea !== 'post') {
send_file_not_found();
}
if (empty($CFG->enableblogs)) {
print_error('siteblogdisable', 'blog');
}
$entryid = (int) array_shift($args);
if (!($entry = $DB->get_record('post', array('module' => 'blog', 'id' => $entryid)))) {
send_file_not_found();
}
if ($CFG->bloglevel < BLOG_GLOBAL_LEVEL) {
require_login();
if (isguestuser()) {
print_error('noguest');
}
if ($CFG->bloglevel == BLOG_USER_LEVEL) {
if ($USER->id != $entry->userid) {
send_file_not_found();
}
}
}
if ($entry->publishstate === 'public') {
if ($CFG->forcelogin) {
require_login();
}
} else {
if ($entry->publishstate === 'site') {
require_login();
//ok
} else {
if ($entry->publishstate === 'draft') {
require_login();
if ($USER->id != $entry->userid) {
send_file_not_found();
}
}
}
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, $component, $filearea, $entryid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
send_stored_file($file, 10 * 60, 0, true, array('preview' => $preview));
// download MUST be forced - security!
// ========================================================================================================================
} else {
if ($component === 'grade') {
if (($filearea === 'outcome' or $filearea === 'scale') and $context->contextlevel == CONTEXT_SYSTEM) {
// Global gradebook files
if ($CFG->forcelogin) {
require_login();
}
$fullpath = "/{$context->id}/{$component}/{$filearea}/" . implode('/', $args);
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'feedback' and $context->contextlevel == CONTEXT_COURSE) {
//TODO: nobody implemented this yet in grade edit form!!
send_file_not_found();
if ($CFG->forcelogin || $course->id != SITEID) {
require_login($course);
}
$fullpath = "/{$context->id}/{$component}/{$filearea}/" . implode('/', $args);
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
send_file_not_found();
}
}
// ========================================================================================================================
} else {
if ($component === 'tag') {
if ($filearea === 'description' and $context->contextlevel == CONTEXT_SYSTEM) {
// All tag descriptions are going to be public but we still need to respect forcelogin
if ($CFG->forcelogin) {
require_login();
}
$fullpath = "/{$context->id}/tag/description/" . implode('/', $args);
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, true, array('preview' => $preview));
} else {
send_file_not_found();
}
// ========================================================================================================================
} else {
if ($component === 'badges') {
require_once $CFG->libdir . '/badgeslib.php';
$badgeid = (int) array_shift($args);
$badge = new badge($badgeid);
$filename = array_pop($args);
if ($filearea === 'badgeimage') {
if ($filename !== 'f1' && $filename !== 'f2') {
send_file_not_found();
}
if (!($file = $fs->get_file($context->id, 'badges', 'badgeimage', $badge->id, '/', $filename . '.png'))) {
send_file_not_found();
}
\core\session\manager::write_close();
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'userbadge' and $context->contextlevel == CONTEXT_USER) {
if (!($file = $fs->get_file($context->id, 'badges', 'userbadge', $badge->id, '/', $filename . '.png'))) {
send_file_not_found();
}
\core\session\manager::write_close();
send_stored_file($file, 60 * 60, 0, true, array('preview' => $preview));
}
}
// ========================================================================================================================
} else {
if ($component === 'calendar') {
if ($filearea === 'event_description' and $context->contextlevel == CONTEXT_SYSTEM) {
// All events here are public the one requirement is that we respect forcelogin
if ($CFG->forcelogin) {
require_login();
}
// Get the event if from the args array
$eventid = array_shift($args);
// Load the event from the database
if (!($event = $DB->get_record('event', array('id' => (int) $eventid, 'eventtype' => 'site')))) {
send_file_not_found();
}
// Get the file and serve if successful
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, $component, $filearea, $eventid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'event_description' and $context->contextlevel == CONTEXT_USER) {
// Must be logged in, if they are not then they obviously can't be this user
require_login();
// Don't want guests here, potentially saves a DB call
if (isguestuser()) {
send_file_not_found();
}
// Get the event if from the args array
$eventid = array_shift($args);
// Load the event from the database - user id must match
if (!($event = $DB->get_record('event', array('id' => (int) $eventid, 'userid' => $USER->id, 'eventtype' => 'user')))) {
send_file_not_found();
}
// Get the file and serve if successful
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, $component, $filearea, $eventid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, true, array('preview' => $preview));
} else {
if ($filearea === 'event_description' and $context->contextlevel == CONTEXT_COURSE) {
// Respect forcelogin and require login unless this is the site.... it probably
// should NEVER be the site
if ($CFG->forcelogin || $course->id != SITEID) {
require_login($course);
}
// Must be able to at least view the course. This does not apply to the front page.
if ($course->id != SITEID && !is_enrolled($context) && !is_viewing($context)) {
//TODO: hmm, do we really want to block guests here?
send_file_not_found();
}
// Get the event id
$eventid = array_shift($args);
// Load the event from the database we need to check whether it is
// a) valid course event
// b) a group event
// Group events use the course context (there is no group context)
if (!($event = $DB->get_record('event', array('id' => (int) $eventid, 'courseid' => $course->id)))) {
send_file_not_found();
}
// If its a group event require either membership of view all groups capability
if ($event->eventtype === 'group') {
if (!has_capability('moodle/site:accessallgroups', $context) && !groups_is_member($event->groupid, $USER->id)) {
send_file_not_found();
}
} else {
if ($event->eventtype === 'course' || $event->eventtype === 'site') {
// Ok. Please note that the event type 'site' still uses a course context.
} else {
// Some other type.
send_file_not_found();
}
}
// If we get this far we can serve the file
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, $component, $filearea, $eventid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
send_file_not_found();
}
}
}
// ========================================================================================================================
} else {
if ($component === 'user') {
if ($filearea === 'icon' and $context->contextlevel == CONTEXT_USER) {
if (count($args) == 1) {
$themename = theme_config::DEFAULT_THEME;
$filename = array_shift($args);
} else {
$themename = array_shift($args);
$filename = array_shift($args);
}
// fix file name automatically
if ($filename !== 'f1' and $filename !== 'f2' and $filename !== 'f3') {
$filename = 'f1';
}
if ((!empty($CFG->forcelogin) and !isloggedin()) || !empty($CFG->forceloginforprofileimage) && (!isloggedin() || isguestuser())) {
// protect images if login required and not logged in;
// also if login is required for profile images and is not logged in or guest
// do not use require_login() because it is expensive and not suitable here anyway
$theme = theme_config::load($themename);
redirect($theme->pix_url('u/' . $filename, 'moodle'));
// intentionally not cached
}
if (!($file = $fs->get_file($context->id, 'user', 'icon', 0, '/', $filename . '.png'))) {
if (!($file = $fs->get_file($context->id, 'user', 'icon', 0, '/', $filename . '.jpg'))) {
if ($filename === 'f3') {
// f3 512x512px was introduced in 2.3, there might be only the smaller version.
if (!($file = $fs->get_file($context->id, 'user', 'icon', 0, '/', 'f1.png'))) {
$file = $fs->get_file($context->id, 'user', 'icon', 0, '/', 'f1.jpg');
}
}
}
}
if (!$file) {
// bad reference - try to prevent future retries as hard as possible!
if ($user = $DB->get_record('user', array('id' => $context->instanceid), 'id, picture')) {
if ($user->picture > 0) {
$DB->set_field('user', 'picture', 0, array('id' => $user->id));
}
}
// no redirect here because it is not cached
$theme = theme_config::load($themename);
$imagefile = $theme->resolve_image_location('u/' . $filename, 'moodle', null);
send_file($imagefile, basename($imagefile), 60 * 60 * 24 * 14);
}
$options = array('preview' => $preview);
if (empty($CFG->forcelogin) && empty($CFG->forceloginforprofileimage)) {
// Profile images should be cache-able by both browsers and proxies according
// to $CFG->forcelogin and $CFG->forceloginforprofileimage.
$options['cacheability'] = 'public';
}
send_stored_file($file, 60 * 60 * 24 * 365, 0, false, $options);
// enable long caching, there are many images on each page
} else {
if ($filearea === 'private' and $context->contextlevel == CONTEXT_USER) {
require_login();
if (isguestuser()) {
send_file_not_found();
}
if ($USER->id !== $context->instanceid) {
send_file_not_found();
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, $component, $filearea, 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, true, array('preview' => $preview));
// must force download - security!
} else {
if ($filearea === 'profile' and $context->contextlevel == CONTEXT_USER) {
if ($CFG->forcelogin) {
require_login();
}
$userid = $context->instanceid;
if ($USER->id == $userid) {
// always can access own
} else {
if (!empty($CFG->forceloginforprofiles)) {
require_login();
if (isguestuser()) {
send_file_not_found();
}
// we allow access to site profile of all course contacts (usually teachers)
if (!has_coursecontact_role($userid) && !has_capability('moodle/user:viewdetails', $context)) {
send_file_not_found();
}
$canview = false;
if (has_capability('moodle/user:viewdetails', $context)) {
$canview = true;
} else {
$courses = enrol_get_my_courses();
}
while (!$canview && count($courses) > 0) {
$course = array_shift($courses);
if (has_capability('moodle/user:viewdetails', context_course::instance($course->id))) {
$canview = true;
}
}
}
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, $component, $filearea, 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, true, array('preview' => $preview));
// must force download - security!
} else {
if ($filearea === 'profile' and $context->contextlevel == CONTEXT_COURSE) {
$userid = (int) array_shift($args);
$usercontext = context_user::instance($userid);
if ($CFG->forcelogin) {
require_login();
}
if (!empty($CFG->forceloginforprofiles)) {
require_login();
if (isguestuser()) {
print_error('noguest');
}
//TODO: review this logic of user profile access prevention
if (!has_coursecontact_role($userid) and !has_capability('moodle/user:viewdetails', $usercontext)) {
print_error('usernotavailable');
}
if (!has_capability('moodle/user:viewdetails', $context) && !has_capability('moodle/user:viewdetails', $usercontext)) {
print_error('cannotviewprofile');
}
if (!is_enrolled($context, $userid)) {
print_error('notenrolledprofile');
}
if (groups_get_course_groupmode($course) == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
print_error('groupnotamember');
}
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($usercontext->id, 'user', 'profile', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, true, array('preview' => $preview));
// must force download - security!
} else {
if ($filearea === 'backup' and $context->contextlevel == CONTEXT_USER) {
require_login();
if (isguestuser()) {
send_file_not_found();
}
$userid = $context->instanceid;
if ($USER->id != $userid) {
send_file_not_found();
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'user', 'backup', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, true, array('preview' => $preview));
// must force download - security!
} else {
send_file_not_found();
}
}
}
}
}
// ========================================================================================================================
} else {
if ($component === 'coursecat') {
if ($context->contextlevel != CONTEXT_COURSECAT) {
send_file_not_found();
}
if ($filearea === 'description') {
if ($CFG->forcelogin) {
// no login necessary - unless login forced everywhere
require_login();
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'coursecat', 'description', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
send_file_not_found();
}
// ========================================================================================================================
} else {
if ($component === 'course') {
if ($context->contextlevel != CONTEXT_COURSE) {
send_file_not_found();
}
if ($filearea === 'summary' || $filearea === 'overviewfiles') {
if ($CFG->forcelogin) {
require_login();
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'course', $filearea, 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'section') {
if ($CFG->forcelogin) {
require_login($course);
} else {
if ($course->id != SITEID) {
require_login($course);
}
}
$sectionid = (int) array_shift($args);
if (!($section = $DB->get_record('course_sections', array('id' => $sectionid, 'course' => $course->id)))) {
send_file_not_found();
}
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'course', 'section', $sectionid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
send_file_not_found();
}
}
} else {
if ($component === 'cohort') {
$cohortid = (int) array_shift($args);
$cohort = $DB->get_record('cohort', array('id' => $cohortid), '*', MUST_EXIST);
$cohortcontext = context::instance_by_id($cohort->contextid);
// The context in the file URL must be either cohort context or context of the course underneath the cohort's context.
if ($context->id != $cohort->contextid && ($context->contextlevel != CONTEXT_COURSE || !in_array($cohort->contextid, $context->get_parent_context_ids()))) {
send_file_not_found();
}
// User is able to access cohort if they have view cap on cohort level or
// the cohort is visible and they have view cap on course level.
$canview = has_capability('moodle/cohort:view', $cohortcontext) || $cohort->visible && has_capability('moodle/cohort:view', $context);
if ($filearea === 'description' && $canview) {
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (($file = $fs->get_file($cohortcontext->id, 'cohort', 'description', $cohort->id, $filepath, $filename)) && !$file->is_directory()) {
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
}
}
send_file_not_found();
} else {
if ($component === 'group') {
if ($context->contextlevel != CONTEXT_COURSE) {
send_file_not_found();
}
require_course_login($course, true, null, false);
$groupid = (int) array_shift($args);
$group = $DB->get_record('groups', array('id' => $groupid, 'courseid' => $course->id), '*', MUST_EXIST);
if ($course->groupmodeforce and $course->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context) and !groups_is_member($group->id, $USER->id)) {
// do not allow access to separate group info if not member or teacher
send_file_not_found();
}
if ($filearea === 'description') {
require_login($course);
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'group', 'description', $group->id, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'icon') {
$filename = array_pop($args);
if ($filename !== 'f1' and $filename !== 'f2') {
send_file_not_found();
}
if (!($file = $fs->get_file($context->id, 'group', 'icon', $group->id, '/', $filename . '.png'))) {
if (!($file = $fs->get_file($context->id, 'group', 'icon', $group->id, '/', $filename . '.jpg'))) {
send_file_not_found();
}
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, false, array('preview' => $preview));
} else {
send_file_not_found();
}
}
} else {
if ($component === 'grouping') {
if ($context->contextlevel != CONTEXT_COURSE) {
send_file_not_found();
}
require_login($course);
$groupingid = (int) array_shift($args);
// note: everybody has access to grouping desc images for now
if ($filearea === 'description') {
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'grouping', 'description', $groupingid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
send_file_not_found();
}
// ========================================================================================================================
} else {
if ($component === 'backup') {
if ($filearea === 'course' and $context->contextlevel == CONTEXT_COURSE) {
require_login($course);
require_capability('moodle/backup:downloadfile', $context);
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'backup', 'course', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'section' and $context->contextlevel == CONTEXT_COURSE) {
require_login($course);
require_capability('moodle/backup:downloadfile', $context);
$sectionid = (int) array_shift($args);
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'backup', 'section', $sectionid, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'activity' and $context->contextlevel == CONTEXT_MODULE) {
require_login($course, false, $cm);
require_capability('moodle/backup:downloadfile', $context);
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'backup', 'activity', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
} else {
if ($filearea === 'automated' and $context->contextlevel == CONTEXT_COURSE) {
// Backup files that were generated by the automated backup systems.
require_login($course);
require_capability('moodle/site:config', $context);
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'backup', 'automated', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 0, 0, $forcedownload, array('preview' => $preview));
} else {
send_file_not_found();
}
}
}
}
// ========================================================================================================================
} else {
if ($component === 'question') {
require_once $CFG->libdir . '/questionlib.php';
question_pluginfile($course, $context, 'question', $filearea, $args, $forcedownload);
send_file_not_found();
// ========================================================================================================================
} else {
if ($component === 'grading') {
if ($filearea === 'description') {
// files embedded into the form definition description
if ($context->contextlevel == CONTEXT_SYSTEM) {
require_login();
} else {
if ($context->contextlevel >= CONTEXT_COURSE) {
require_login($course, false, $cm);
} else {
send_file_not_found();
}
}
$formid = (int) array_shift($args);
$sql = "SELECT ga.id\n FROM {grading_areas} ga\n JOIN {grading_definitions} gd ON (gd.areaid = ga.id)\n WHERE gd.id = ? AND ga.contextid = ?";
$areaid = $DB->get_field_sql($sql, array($formid, $context->id), IGNORE_MISSING);
if (!$areaid) {
send_file_not_found();
}
$fullpath = "/{$context->id}/{$component}/{$filearea}/{$formid}/" . implode('/', $args);
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
\core\session\manager::write_close();
// Unlock session during file serving.
send_stored_file($file, 60 * 60, 0, $forcedownload, array('preview' => $preview));
}
// ========================================================================================================================
} else {
if (strpos($component, 'mod_') === 0) {
$modname = substr($component, 4);
if (!file_exists("{$CFG->dirroot}/mod/{$modname}/lib.php")) {
send_file_not_found();
}
require_once "{$CFG->dirroot}/mod/{$modname}/lib.php";
if ($context->contextlevel == CONTEXT_MODULE) {
if ($cm->modname !== $modname) {
// somebody tries to gain illegal access, cm type must match the component!
send_file_not_found();
}
}
if ($filearea === 'intro') {
if (!plugin_supports('mod', $modname, FEATURE_MOD_INTRO, true)) {
send_file_not_found();
}
require_course_login($course, true, $cm);
// all users may access it
$filename = array_pop($args);
$filepath = $args ? '/' . implode('/', $args) . '/' : '/';
if (!($file = $fs->get_file($context->id, 'mod_' . $modname, 'intro', 0, $filepath, $filename)) or $file->is_directory()) {
send_file_not_found();
}
// finally send the file
send_stored_file($file, null, 0, false, array('preview' => $preview));
}
$filefunction = $component . '_pluginfile';
$filefunctionold = $modname . '_pluginfile';
if (function_exists($filefunction)) {
// if the function exists, it must send the file and terminate. Whatever it returns leads to "not found"
$filefunction($course, $cm, $context, $filearea, $args, $forcedownload, array('preview' => $preview));
} else {
if (function_exists($filefunctionold)) {
// if the function exists, it must send the file and terminate. Whatever it returns leads to "not found"
$filefunctionold($course, $cm, $context, $filearea, $args, $forcedownload, array('preview' => $preview));
}
}
send_file_not_found();
// ========================================================================================================================
} else {
if (strpos($component, 'block_') === 0) {
$blockname = substr($component, 6);
// note: no more class methods in blocks please, that is ....
if (!file_exists("{$CFG->dirroot}/blocks/{$blockname}/lib.php")) {
send_file_not_found();
}
require_once "{$CFG->dirroot}/blocks/{$blockname}/lib.php";
if ($context->contextlevel == CONTEXT_BLOCK) {
$birecord = $DB->get_record('block_instances', array('id' => $context->instanceid), '*', MUST_EXIST);
if ($birecord->blockname !== $blockname) {
// somebody tries to gain illegal access, cm type must match the component!
send_file_not_found();
}
if ($context->get_course_context(false)) {
// If block is in course context, then check if user has capability to access course.
require_course_login($course);
} else {
if ($CFG->forcelogin) {
// If user is logged out, bp record will not be visible, even if the user would have access if logged in.
require_login();
}
}
$bprecord = $DB->get_record('block_positions', array('contextid' => $context->id, 'blockinstanceid' => $context->instanceid));
// User can't access file, if block is hidden or doesn't have block:view capability
if ($bprecord && !$bprecord->visible || !has_capability('moodle/block:view', $context)) {
send_file_not_found();
}
} else {
$birecord = null;
}
$filefunction = $component . '_pluginfile';
if (function_exists($filefunction)) {
// if the function exists, it must send the file and terminate. Whatever it returns leads to "not found"
$filefunction($course, $birecord, $context, $filearea, $args, $forcedownload, array('preview' => $preview));
}
send_file_not_found();
// ========================================================================================================================
} else {
if (strpos($component, '_') === false) {
// all core subsystems have to be specified above, no more guessing here!
send_file_not_found();
} else {
// try to serve general plugin file in arbitrary context
$dir = core_component::get_component_directory($component);
if (!file_exists("{$dir}/lib.php")) {
send_file_not_found();
}
include_once "{$dir}/lib.php";
$filefunction = $component . '_pluginfile';
if (function_exists($filefunction)) {
// if the function exists, it must send the file and terminate. Whatever it returns leads to "not found"
$filefunction($course, $cm, $context, $filearea, $args, $forcedownload, array('preview' => $preview));
}
send_file_not_found();
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
/**
* Serve questiontext files in the question text when they are displayed in this report.
*
* @package core_files
* @category files
* @param context $previewcontext the context in which the preview is happening.
* @param int $questionid the question id.
* @param context $filecontext the file (question) context.
* @param string $filecomponent the component the file belongs to.
* @param string $filearea the file area.
* @param array $args remaining file args.
* @param bool $forcedownload.
* @param array $options additional options affecting the file serving.
*/
function core_question_question_preview_pluginfile($previewcontext, $questionid, $filecontext, $filecomponent, $filearea, $args, $forcedownload, $options = array())
{
global $DB;
// Verify that contextid matches the question.
$question = $DB->get_record_sql('
SELECT q.*, qc.contextid
FROM {question} q
JOIN {question_categories} qc ON qc.id = q.category
WHERE q.id = :id AND qc.contextid = :contextid', array('id' => $questionid, 'contextid' => $filecontext->id), MUST_EXIST);
// Check the capability.
list($context, $course, $cm) = get_context_info_array($previewcontext->id);
require_login($course, false, $cm);
question_require_capability_on($question, 'use');
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/{$filecontext->id}/{$filecomponent}/{$filearea}/{$relativepath}";
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
send_stored_file($file, 0, 0, $forcedownload, $options);
}
/**
* Constructor
*
* @param stdClass $options options for filemanager
* default options are:
* maxbytes=>-1,
* maxfiles=>-1,
* itemid=>0,
* subdirs=>false,
* client_id=>uniqid(),
* acepted_types=>'*',
* return_types=>FILE_INTERNAL,
* context=>$PAGE->context,
* author=>fullname($USER),
* licenses=>array build from $CFG->licenses,
* defaultlicense=>$CFG->sitedefaultlicense
*/
public function __construct(stdClass $options)
{
global $CFG, $USER, $PAGE;
require_once $CFG->dirroot . '/repository/lib.php';
$defaults = array('maxbytes' => -1, 'maxfiles' => -1, 'itemid' => 0, 'subdirs' => 0, 'client_id' => uniqid(), 'accepted_types' => '*', 'return_types' => FILE_INTERNAL, 'context' => $PAGE->context, 'author' => fullname($USER), 'licenses' => array());
if (!empty($CFG->licenses)) {
$array = explode(',', $CFG->licenses);
foreach ($array as $license) {
$l = new stdClass();
$l->shortname = $license;
$l->fullname = get_string($license, 'license');
$defaults['licenses'][] = $l;
}
}
if (!empty($CFG->sitedefaultlicense)) {
$defaults['defaultlicense'] = $CFG->sitedefaultlicense;
}
foreach ($defaults as $key => $value) {
if (empty($options->{$key})) {
$options->{$key} = $value;
}
}
$fs = get_file_storage();
// initilise options, getting files in root path
$this->options = file_get_drafarea_files($options->itemid, '/');
// calculate file count
$usercontext = context_user::instance($USER->id);
$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $options->itemid, 'id', false);
$filecount = count($files);
$this->options->filecount = $filecount;
// copying other options
foreach ($options as $name => $value) {
$this->options->{$name} = $value;
}
// calculate the maximum file size as minimum from what is specified in filepicker options,
// course options, global configuration and php settings
$coursebytes = $maxbytes = 0;
list($context, $course, $cm) = get_context_info_array($this->options->context->id);
if (is_object($course)) {
$coursebytes = $course->maxbytes;
}
if (!empty($this->options->maxbytes) && $this->options->maxbytes > 0) {
$maxbytes = $this->options->maxbytes;
}
$this->options->maxbytes = get_user_max_upload_file_size($context, $CFG->maxbytes, $coursebytes, $maxbytes);
// building file picker options
$params = new stdClass();
$params->accepted_types = $options->accepted_types;
$params->return_types = $options->return_types;
$params->context = $options->context;
$params->env = 'filemanager';
$params->disable_types = !empty($options->disable_types) ? $options->disable_types : array();
$filepicker_options = initialise_filepicker($params);
$this->options->filepicker = $filepicker_options;
}
public function get_name() {
list($context, $course, $cm) = get_context_info_array($this->context->id);
if (!empty($course)) {
return get_string('courselegacyfiles') . format_string($course->shortname, true, array('context' => get_course_context($context)));
} else {
return get_string('courselegacyfiles');
}
}
/**
* takes a list of records, the current data, a search string,
* and mode to display prints the translated template
*
* @global object
* @global object
* @param string $template
* @param array $records
* @param object $data
* @param string $search
* @param int $page
* @param bool $return
* @param object $jumpurl a moodle_url by which to jump back to the record list (can be null)
* @return mixed
*/
function data_print_template($template, $records, $data, $search = '', $page = 0, $return = false, moodle_url $jumpurl = null)
{
global $CFG, $DB, $OUTPUT;
$cm = get_coursemodule_from_instance('data', $data->id);
$context = context_module::instance($cm->id);
static $fields = NULL;
static $isteacher;
static $dataid = NULL;
if (empty($dataid)) {
$dataid = $data->id;
} else {
if ($dataid != $data->id) {
$fields = NULL;
}
}
if (empty($fields)) {
$fieldrecords = $DB->get_records('data_fields', array('dataid' => $data->id));
foreach ($fieldrecords as $fieldrecord) {
$fields[] = data_get_field($fieldrecord, $data);
}
$isteacher = has_capability('mod/data:managetemplates', $context);
}
if (empty($records)) {
return;
}
if (!$jumpurl) {
$jumpurl = new moodle_url('/mod/data/view.php', array('d' => $data->id));
}
$jumpurl = new moodle_url($jumpurl, array('page' => $page, 'sesskey' => sesskey()));
// Check whether this activity is read-only at present
$readonly = data_in_readonly_period($data);
foreach ($records as $record) {
// Might be just one for the single template
// Replacing tags
$patterns = array();
$replacement = array();
// Then we generate strings to replace for normal tags
foreach ($fields as $field) {
$patterns[] = '[[' . $field->field->name . ']]';
$replacement[] = highlight($search, $field->display_browse_field($record->id, $template));
}
$canmanageentries = has_capability('mod/data:manageentries', $context);
// Replacing special tags (##Edit##, ##Delete##, ##More##)
$patterns[] = '##edit##';
$patterns[] = '##delete##';
if ($canmanageentries || !$readonly && data_isowner($record->id)) {
$replacement[] = '<a href="' . $CFG->wwwroot . '/mod/data/edit.php?d=' . $data->id . '&rid=' . $record->id . '&sesskey=' . sesskey() . '"><img src="' . $OUTPUT->pix_url('t/edit') . '" class="iconsmall" alt="' . get_string('edit') . '" title="' . get_string('edit') . '" /></a>';
$replacement[] = '<a href="' . $CFG->wwwroot . '/mod/data/view.php?d=' . $data->id . '&delete=' . $record->id . '&sesskey=' . sesskey() . '"><img src="' . $OUTPUT->pix_url('t/delete') . '" class="iconsmall" alt="' . get_string('delete') . '" title="' . get_string('delete') . '" /></a>';
} else {
$replacement[] = '';
$replacement[] = '';
}
$moreurl = $CFG->wwwroot . '/mod/data/view.php?d=' . $data->id . '&rid=' . $record->id;
if ($search) {
$moreurl .= '&filter=1';
}
$patterns[] = '##more##';
$replacement[] = '<a href="' . $moreurl . '"><img src="' . $OUTPUT->pix_url('t/preview') . '" class="iconsmall" alt="' . get_string('more', 'data') . '" title="' . get_string('more', 'data') . '" /></a>';
$patterns[] = '##moreurl##';
$replacement[] = $moreurl;
$patterns[] = '##delcheck##';
if ($canmanageentries) {
$replacement[] = html_writer::checkbox('delcheck[]', $record->id, false, '', array('class' => 'recordcheckbox'));
} else {
$replacement[] = '';
}
$patterns[] = '##user##';
$replacement[] = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $record->userid . '&course=' . $data->course . '">' . fullname($record) . '</a>';
$patterns[] = '##userpicture##';
$ruser = user_picture::unalias($record, null, 'userid');
$replacement[] = $OUTPUT->user_picture($ruser, array('courseid' => $data->course));
$patterns[] = '##export##';
if (!empty($CFG->enableportfolios) && ($template == 'singletemplate' || $template == 'listtemplate') && (has_capability('mod/data:exportentry', $context) || data_isowner($record->id) && has_capability('mod/data:exportownentry', $context))) {
require_once $CFG->libdir . '/portfoliolib.php';
$button = new portfolio_add_button();
$button->set_callback_options('data_portfolio_caller', array('id' => $cm->id, 'recordid' => $record->id), 'mod_data');
list($formats, $files) = data_portfolio_caller::formats($fields, $record);
$button->set_formats($formats);
$replacement[] = $button->to_html(PORTFOLIO_ADD_ICON_LINK);
} else {
$replacement[] = '';
}
$patterns[] = '##timeadded##';
$replacement[] = userdate($record->timecreated);
$patterns[] = '##timemodified##';
$replacement[] = userdate($record->timemodified);
$patterns[] = '##approve##';
if (has_capability('mod/data:approve', $context) && $data->approval && !$record->approved) {
$approveurl = new moodle_url($jumpurl, array('approve' => $record->id));
$approveicon = new pix_icon('t/approve', get_string('approve', 'data'), '', array('class' => 'iconsmall'));
$replacement[] = html_writer::tag('span', $OUTPUT->action_icon($approveurl, $approveicon), array('class' => 'approve'));
} else {
$replacement[] = '';
}
$patterns[] = '##disapprove##';
if (has_capability('mod/data:approve', $context) && $data->approval && $record->approved) {
$disapproveurl = new moodle_url($jumpurl, array('disapprove' => $record->id));
$disapproveicon = new pix_icon('t/block', get_string('disapprove', 'data'), '', array('class' => 'iconsmall'));
$replacement[] = html_writer::tag('span', $OUTPUT->action_icon($disapproveurl, $disapproveicon), array('class' => 'disapprove'));
} else {
$replacement[] = '';
}
$patterns[] = '##comments##';
if ($template == 'listtemplate' && $data->comments) {
if (!empty($CFG->usecomments)) {
require_once $CFG->dirroot . '/comment/lib.php';
list($context, $course, $cm) = get_context_info_array($context->id);
$cmt = new stdClass();
$cmt->context = $context;
$cmt->course = $course;
$cmt->cm = $cm;
$cmt->area = 'database_entry';
$cmt->itemid = $record->id;
$cmt->showcount = true;
$cmt->component = 'mod_data';
$comment = new comment($cmt);
$replacement[] = $comment->output(true);
}
} else {
$replacement[] = '';
}
// actual replacement of the tags
$newtext = str_ireplace($patterns, $replacement, $data->{$template});
// no more html formatting and filtering - see MDL-6635
if ($return) {
return $newtext;
} else {
echo $newtext;
// hack alert - return is always false in singletemplate anyway ;-)
/**********************************
* Printing Ratings Form *
*********************************/
if ($template == 'singletemplate') {
//prints ratings options
data_print_ratings($data, $record);
}
/**********************************
* Printing Comments Form *
*********************************/
if ($template == 'singletemplate' && $data->comments) {
if (!empty($CFG->usecomments)) {
require_once $CFG->dirroot . '/comment/lib.php';
list($context, $course, $cm) = get_context_info_array($context->id);
$cmt = new stdClass();
$cmt->context = $context;
$cmt->course = $course;
$cmt->cm = $cm;
$cmt->area = 'database_entry';
$cmt->itemid = $record->id;
$cmt->showcount = true;
$cmt->component = 'mod_data';
$comment = new comment($cmt);
$comment->output(false);
}
}
}
}
}
/**
* Print the file manager
*
* <pre>
* $OUTPUT->file_manager($options);
* </pre>
*
* @param array $options associative array with file manager options
* options are:
* maxbytes=>-1,
* maxfiles=>-1,
* itemid=>0,
* subdirs=>false,
* client_id=>uniqid(),
* acepted_types=>'*',
* return_types=>FILE_INTERNAL,
* context=>$PAGE->context
* @return string HTML fragment
*/
function form_filemanager_render($options)
{
global $CFG, $OUTPUT, $PAGE;
$fm = new form_filemanaer_x($options);
//TODO: this is unnecessary here, the nested options are getting too complex
static $filemanagertemplateloaded;
$html = '';
$options = $fm->options;
$straddfile = get_string('addfile', 'repository');
$strmakedir = get_string('makeafolder', 'moodle');
$strdownload = get_string('downloadfolder', 'repository');
$strloading = get_string('loading', 'repository');
$icon_progress = $OUTPUT->pix_icon('i/loading_small', $strloading) . '';
$client_id = $options->client_id;
$itemid = $options->itemid;
list($context, $course, $cm) = get_context_info_array($options->context->id);
if (is_object($course)) {
$course_maxbytes = $course->maxbytes;
} else {
$course_maxbytes = $CFG->maxbytes;
}
if ($options->maxbytes == -1 || empty($options->maxbytes)) {
$options->maxbytes = $CFG->maxbytes;
}
if (empty($options->filecount)) {
$extra = ' style="display:none"';
} else {
$extra = '';
}
$maxsize = get_string('maxfilesize', 'moodle', display_size(get_max_upload_file_size($CFG->maxbytes, $course_maxbytes, $options->maxbytes)));
$strdndenabled = get_string('dndenabled_insentence', 'moodle') . $OUTPUT->help_icon('dndenabled');
$loading = get_string('loading', 'repository');
$html .= <<<FMHTML
<div class="filemanager-loading mdl-align" id='filemanager-loading-{$client_id}'>
{$icon_progress}
</div>
<div id="filemanager-wrapper-{$client_id}" style="display:none">
<div class="fm-breadcrumb" id="fm-path-{$client_id}"></div>
<div class="filemanager-toolbar">
<input type="button" class="fm-btn-add" id="btnadd-{$client_id}" onclick="return false" value="{$straddfile}" />
<input type="button" class="fm-btn-mkdir" id="btncrt-{$client_id}" onclick="return false" value="{$strmakedir}" />
<input type="button" class="fm-btn-download" id="btndwn-{$client_id}" onclick="return false" {$extra} value="{$strdownload}" />
<span> {$maxsize} </span>
<span id="dndenabled-{$client_id}" style="display: none"> - {$strdndenabled} </span>
</div>
<div class="filemanager-container" id="filemanager-{$client_id}" style="position: relative" >
<ul id="draftfiles-{$client_id}" class="fm-filelist">
<li>{$loading}</li>
</ul>
</div>
</div>
<div class='clearer'></div>
FMHTML;
if (empty($filemanagertemplateloaded)) {
$filemanagertemplateloaded = true;
$html .= <<<FMHTML
<div id="fm-template" style="display:none">___fullname___ ___action___</div>
FMHTML;
}
$module = array('name' => 'form_filemanager', 'fullpath' => '/lib/form/filemanager.js', 'requires' => array('core_filepicker', 'base', 'io-base', 'node', 'json', 'yui2-button', 'yui2-container', 'yui2-layout', 'yui2-menu', 'yui2-treeview', 'core_dndupload'), 'strings' => array(array('loading', 'repository'), array('nomorefiles', 'repository'), array('confirmdeletefile', 'repository'), array('add', 'repository'), array('accessiblefilepicker', 'repository'), array('move', 'moodle'), array('cancel', 'moodle'), array('download', 'moodle'), array('ok', 'moodle'), array('emptylist', 'repository'), array('nofilesattached', 'repository'), array('entername', 'repository'), array('enternewname', 'repository'), array('zip', 'editor'), array('unzip', 'moodle'), array('rename', 'moodle'), array('delete', 'moodle'), array('cannotdeletefile', 'error'), array('confirmdeletefile', 'repository'), array('nopathselected', 'repository'), array('popupblockeddownload', 'repository'), array('draftareanofiles', 'repository'), array('path', 'moodle'), array('setmainfile', 'repository'), array('moving', 'repository'), array('files', 'moodle'), array('serverconnection', 'error')));
$PAGE->requires->js_module($module);
$PAGE->requires->js_init_call('M.form_filemanager.init', array($options), true, $module);
// non javascript file manager
$filemanagerurl = new moodle_url('/repository/draftfiles_manager.php', array('env' => 'filemanager', 'action' => 'browse', 'itemid' => $itemid, 'subdirs' => $options->subdirs, 'maxbytes' => $options->maxbytes, 'maxfiles' => $options->maxfiles, 'ctx_id' => $PAGE->context->id, 'course' => $PAGE->course->id, 'sesskey' => sesskey()));
$html .= '<noscript>';
$html .= "<div><object type='text/html' data='{$filemanagerurl}' height='160' width='600' style='border:1px solid #000'></object></div>";
$html .= '</noscript>';
return $html;
}
* Handling all ajax request for comments API
*
* @package core
* @copyright 2010 Dongsheng Cai {@link http://dongsheng.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('AJAX_SCRIPT', true);
define('NO_DEBUG_DISPLAY', true);
require_once '../config.php';
require_once $CFG->dirroot . '/comment/lib.php';
$contextid = optional_param('contextid', SYSCONTEXTID, PARAM_INT);
$action = optional_param('action', '', PARAM_ALPHA);
if (empty($CFG->usecomments)) {
throw new comment_exception('commentsnotenabled', 'moodle');
}
list($context, $course, $cm) = get_context_info_array($contextid);
if ($contextid == SYSCONTEXTID) {
$course = $SITE;
}
$PAGE->set_url('/comment/comment_ajax.php');
// Allow anonymous user to view comments providing forcelogin now enabled
require_course_login($course, true, $cm);
$PAGE->set_context($context);
if (!empty($cm)) {
$PAGE->set_cm($cm, $course);
} else {
if (!empty($course)) {
$PAGE->set_course($course);
}
}
if (!confirm_sesskey()) {
/**
* Returns the list of gradable areas in the given context and component
*
* This performs a callback to the library of the relevant plugin to obtain
* the list of supported areas.
* @return array of (string)areacode => (string)localized title of the area
*/
public function get_available_areas()
{
global $CFG;
$this->ensure_isset(array('context', 'component'));
if ($this->get_context()->contextlevel == CONTEXT_SYSTEM) {
if ($this->get_component() !== 'core_grading') {
throw new coding_exception('Unsupported component at the system context');
} else {
return array();
}
} else {
if ($this->get_context()->contextlevel == CONTEXT_MODULE) {
list($context, $course, $cm) = get_context_info_array($this->get_context()->id);
return self::available_areas('mod_' . $cm->modname);
} else {
throw new coding_exception('Unsupported gradable area context level');
}
}
}
/**
* Get file listing
*
* @param string $encodedpath
* @return mixed
*/
public function get_listing($encodedpath = '', $page = '')
{
global $CFG, $USER, $OUTPUT;
$ret = array();
$ret['dynload'] = true;
$ret['nosearch'] = true;
$ret['nologin'] = true;
$list = array();
$component = 'course';
$filearea = 'legacy';
$itemid = 0;
$browser = get_file_browser();
if (!empty($encodedpath)) {
$params = json_decode(base64_decode($encodedpath), true);
if (is_array($params)) {
$filepath = is_null($params['filepath']) ? NULL : clean_param($params['filepath'], PARAM_PATH);
$filename = is_null($params['filename']) ? NULL : clean_param($params['filename'], PARAM_FILE);
$context = context::instance_by_id(clean_param($params['contextid'], PARAM_INT));
}
} else {
$filename = null;
$filepath = null;
list($context, $course, $cm) = get_context_info_array($this->context->id);
$courseid = is_object($course) ? $course->id : SITEID;
$context = context_course::instance($courseid);
}
if ($fileinfo = $browser->get_file_info($context, $component, $filearea, $itemid, $filepath, $filename)) {
// build path navigation
$pathnodes = array();
$encodedpath = base64_encode(json_encode($fileinfo->get_params()));
$pathnodes[] = array('name' => $fileinfo->get_visible_name(), 'path' => $encodedpath);
$level = $fileinfo->get_parent();
while ($level) {
$params = $level->get_params();
$encodedpath = base64_encode(json_encode($params));
if ($params['contextid'] != $context->id) {
break;
}
$pathnodes[] = array('name' => $level->get_visible_name(), 'path' => $encodedpath);
$level = $level->get_parent();
}
if (!empty($pathnodes) && is_array($pathnodes)) {
$pathnodes = array_reverse($pathnodes);
$ret['path'] = $pathnodes;
}
// build file tree
$children = $fileinfo->get_children();
foreach ($children as $child) {
if ($child->is_directory()) {
$params = $child->get_params();
$subdir_children = $child->get_children();
$encodedpath = base64_encode(json_encode($params));
$node = array('title' => $child->get_visible_name(), 'datemodified' => $child->get_timemodified(), 'datecreated' => $child->get_timecreated(), 'path' => $encodedpath, 'children' => array(), 'thumbnail' => $OUTPUT->pix_url(file_folder_icon(90))->out(false));
$list[] = $node;
} else {
$encodedpath = base64_encode(json_encode($child->get_params()));
$node = array('title' => $child->get_visible_name(), 'size' => $child->get_filesize(), 'author' => $child->get_author(), 'license' => $child->get_license(), 'datemodified' => $child->get_timemodified(), 'datecreated' => $child->get_timecreated(), 'source' => $encodedpath, 'isref' => $child->is_external_file(), 'thumbnail' => $OUTPUT->pix_url(file_file_icon($child, 90))->out(false));
if ($child->get_status() == 666) {
$node['originalmissing'] = true;
}
if ($imageinfo = $child->get_imageinfo()) {
$fileurl = new moodle_url($child->get_url());
$node['realthumbnail'] = $fileurl->out(false, array('preview' => 'thumb', 'oid' => $child->get_timemodified()));
$node['realicon'] = $fileurl->out(false, array('preview' => 'tinyicon', 'oid' => $child->get_timemodified()));
$node['image_width'] = $imageinfo['width'];
$node['image_height'] = $imageinfo['height'];
}
$list[] = $node;
}
}
} else {
$list = array();
}
$ret['list'] = array_filter($list, array($this, 'filter'));
return $ret;
}
/**
* Called by pluginfile.php to serve files related to the 'question' core
* component and for files belonging to qtypes.
*
* For files that relate to questions in a question_attempt, then we delegate to
* a function in the component that owns the attempt (for example in the quiz,
* or in core question preview) to get necessary inforation.
*
* (Note that, at the moment, all question file areas relate to questions in
* attempts, so the If at the start of the last paragraph is always true.)
*
* Does not return, either calls send_file_not_found(); or serves the file.
*
* @param object $course course settings object
* @param object $context context object
* @param string $component the name of the component we are serving files for.
* @param string $filearea the name of the file area.
* @param array $args the remaining bits of the file path.
* @param bool $forcedownload whether the user must be forced to download the file.
*/
function question_pluginfile($course, $context, $component, $filearea, $args, $forcedownload)
{
global $DB, $CFG;
list($context, $course, $cm) = get_context_info_array($context->id);
require_login($course, false, $cm);
if ($filearea === 'export') {
require_once $CFG->dirroot . '/question/editlib.php';
$contexts = new question_edit_contexts($context);
// check export capability
$contexts->require_one_edit_tab_cap('export');
$category_id = (int) array_shift($args);
$format = array_shift($args);
$cattofile = array_shift($args);
$contexttofile = array_shift($args);
$filename = array_shift($args);
// load parent class for import/export
require_once $CFG->dirroot . '/question/format.php';
require_once $CFG->dirroot . '/question/editlib.php';
require_once $CFG->dirroot . '/question/format/' . $format . '/format.php';
$classname = 'qformat_' . $format;
if (!class_exists($classname)) {
send_file_not_found();
}
$qformat = new $classname();
if (!($category = $DB->get_record('question_categories', array('id' => $category_id)))) {
send_file_not_found();
}
$qformat->setCategory($category);
$qformat->setContexts($contexts->having_one_edit_tab_cap('export'));
$qformat->setCourse($course);
if ($cattofile == 'withcategories') {
$qformat->setCattofile(true);
} else {
$qformat->setCattofile(false);
}
if ($contexttofile == 'withcontexts') {
$qformat->setContexttofile(true);
} else {
$qformat->setContexttofile(false);
}
if (!$qformat->exportpreprocess()) {
send_file_not_found();
print_error('exporterror', 'question', $thispageurl->out());
}
// export data to moodle file pool
if (!($content = $qformat->exportprocess(true))) {
send_file_not_found();
}
//DEBUG
//echo '<textarea cols=90 rows=20>';
//echo $content;
//echo '</textarea>';
//die;
send_file($content, $filename, 0, 0, true, true, $qformat->mime_type());
}
$attemptid = (int) array_shift($args);
$questionid = (int) array_shift($args);
if ($attemptid === 0) {
// preview
require_once $CFG->dirroot . '/question/previewlib.php';
return question_preview_question_pluginfile($course, $context, $component, $filearea, $attemptid, $questionid, $args, $forcedownload);
} else {
$module = $DB->get_field('question_attempts', 'modulename', array('id' => $attemptid));
$dir = get_component_directory($module);
if (!file_exists("{$dir}/lib.php")) {
send_file_not_found();
}
include_once "{$dir}/lib.php";
$filefunction = $module . '_question_pluginfile';
if (!function_exists($filefunction)) {
send_file_not_found();
}
$filefunction($course, $context, $component, $filearea, $attemptid, $questionid, $args, $forcedownload);
send_file_not_found();
}
}
function print_content() {
global $CFG, $OUTPUT, $USER, $PAGE;
require_once($CFG->dirroot . '/mod/wiki/locallib.php');
$page = $this->page;
$subwiki = $this->subwiki;
$wiki = $PAGE->activityrecord;
list($context, $course, $cm) = get_context_info_array($this->modcontext->id);
require_capability('mod/wiki:viewcomment', $this->modcontext, NULL, true, 'noviewcommentpermission', 'wiki');
$comments = wiki_get_comments($this->modcontext->id, $page->id);
if (has_capability('mod/wiki:editcomment', $this->modcontext)) {
echo '<div class="midpad"><a href="' . $CFG->wwwroot . '/mod/wiki/editcomments.php?action=add&pageid=' . $page->id . '">' . get_string('addcomment', 'wiki') . '</a></div>';
}
$options = array('swid' => $this->page->subwikiid, 'pageid' => $page->id);
$version = wiki_get_current_version($this->page->id);
$format = $version->contentformat;
if (empty($comments)) {
echo $OUTPUT->heading(get_string('nocomments', 'wiki'));
}
foreach ($comments as $comment) {
$user = wiki_get_user_info($comment->userid);
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', context_course::instance($course->id)));
$by = new stdclass();
$by->name = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $user->id . '&course=' . $course->id . '">' . $fullname . '</a>';
$by->date = userdate($comment->timecreated);
$t = new html_table();
$cell1 = new html_table_cell($OUTPUT->user_picture($user, array('popup' => true)));
$cell2 = new html_table_cell(get_string('bynameondate', 'forum', $by));
$cell3 = new html_table_cell();
$cell3->atributtes ['width'] = "80%";
$cell4 = new html_table_cell();
$cell5 = new html_table_cell();
$row1 = new html_table_row();
$row1->cells[] = $cell1;
$row1->cells[] = $cell2;
$row2 = new html_table_row();
$row2->cells[] = $cell3;
if ($format != 'html') {
if ($format == 'creole') {
$parsedcontent = wiki_parse_content('creole', $comment->content, $options);
} else if ($format == 'nwiki') {
$parsedcontent = wiki_parse_content('nwiki', $comment->content, $options);
}
$cell4->text = format_text(html_entity_decode($parsedcontent['parsed_text'], ENT_QUOTES, 'UTF-8'), FORMAT_HTML);
} else {
$cell4->text = format_text($comment->content, FORMAT_HTML);
}
$row2->cells[] = $cell4;
$t->data = array($row1, $row2);
$actionicons = false;
if ((has_capability('mod/wiki:managecomment', $this->modcontext))) {
$urledit = new moodle_url('/mod/wiki/editcomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'edit'));
$urldelet = new moodle_url('/mod/wiki/instancecomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'delete'));
$actionicons = true;
} else if ((has_capability('mod/wiki:editcomment', $this->modcontext)) and ($USER->id == $user->id)) {
$urledit = new moodle_url('/mod/wiki/editcomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'edit'));
$urldelet = new moodle_url('/mod/wiki/instancecomments.php', array('commentid' => $comment->id, 'pageid' => $page->id, 'action' => 'delete'));
$actionicons = true;
}
if ($actionicons) {
$cell6 = new html_table_cell($OUTPUT->action_icon($urledit, new pix_icon('t/edit', get_string('edit'),
'', array('class' => 'iconsmall'))) . $OUTPUT->action_icon($urldelet, new pix_icon('t/delete',
get_string('delete'), '', array('class' => 'iconsmall'))));
$row3 = new html_table_row();
$row3->cells[] = $cell5;
$row3->cells[] = $cell6;
$t->data[] = $row3;
}
echo html_writer::tag('div', html_writer::table($t), array('class'=>'no-overflow'));
}
}
/**
* Get file listing
*
* @param string $encodedpath
* @return mixed
*/
public function get_listing($encodedpath = '') {
global $CFG, $USER, $OUTPUT;
$ret = array();
$ret['dynload'] = true;
$ret['nosearch'] = true;
$ret['nologin'] = true;
$list = array();
if (!empty($encodedpath)) {
$params = unserialize(base64_decode($encodedpath));
if (is_array($params)) {
$component = is_null($params['component']) ? NULL : clean_param($params['component'], PARAM_COMPONENT);
$filearea = is_null($params['filearea']) ? NULL : clean_param($params['filearea'], PARAM_AREA);
$itemid = is_null($params['itemid']) ? NULL : clean_param($params['itemid'], PARAM_INT);
$filepath = is_null($params['filepath']) ? NULL : clean_param($params['filepath'], PARAM_PATH);;
$filename = is_null($params['filename']) ? NULL : clean_param($params['filename'], PARAM_FILE);
$context = get_context_instance_by_id(clean_param($params['contextid'], PARAM_INT));
}
} else {
$itemid = null;
$filename = null;
$filearea = null;
$filepath = null;
$component = null;
if (!empty($this->context)) {
list($context, $course, $cm) = get_context_info_array($this->context->id);
$courseid = is_object($course) ? $course->id : SITEID;
$context = get_context_instance(CONTEXT_COURSE, $courseid);
} else {
$context = get_system_context();
}
}
$browser = get_file_browser();
if ($fileinfo = $browser->get_file_info($context, $component, $filearea, $itemid, $filepath, $filename)) {
// build path navigation
$pathnodes = array();
$encodedpath = base64_encode(serialize($fileinfo->get_params()));
$pathnodes[] = array('name'=>$fileinfo->get_visible_name(), 'path'=>$encodedpath);
$level = $fileinfo->get_parent();
while ($level) {
$encodedpath = base64_encode(serialize($level->get_params()));
$pathnodes[] = array('name'=>$level->get_visible_name(), 'path'=>$encodedpath);
$level = $level->get_parent();
}
if (!empty($pathnodes) && is_array($pathnodes)) {
$pathnodes = array_reverse($pathnodes);
$ret['path'] = $pathnodes;
}
// build file tree
$children = $fileinfo->get_children();
foreach ($children as $child) {
if ($child->is_directory()) {
if ($child->is_empty_area()) {
continue;
}
$params = $child->get_params();
$encodedpath = base64_encode(serialize($params));
// hide user_private area from local plugin, user should
// use private file plugin to access private files
//if ($params['filearea'] == 'user_private') {
//continue;
//}
$node = array(
'title' => $child->get_visible_name(),
'size' => 0,
'date' => '',
'path' => $encodedpath,
'children'=>array(),
'thumbnail' => $OUTPUT->pix_url('f/folder-32')->out(false)
);
$list[] = $node;
} else {
$encodedpath = base64_encode(serialize($child->get_params()));
$node = array(
'title' => $child->get_visible_name(),
'size' => 0,
'date' => '',
'source'=> $encodedpath,
'thumbnail' => $OUTPUT->pix_url(file_extension_icon($child->get_visible_name(), 32))->out(false)
);
$list[] = $node;
}
}
} else {
// if file doesn't exist, build path nodes root of current context
$pathnodes = array();
$fileinfo = $browser->get_file_info($context, null, null, null, null, null);
$encodedpath = base64_encode(serialize($fileinfo->get_params()));
$pathnodes[] = array('name'=>$fileinfo->get_visible_name(), 'path'=>$encodedpath);
$level = $fileinfo->get_parent();
while ($level) {
$encodedpath = base64_encode(serialize($level->get_params()));
$pathnodes[] = array('name'=>$level->get_visible_name(), 'path'=>$encodedpath);
$level = $level->get_parent();
}
if (!empty($pathnodes) && is_array($pathnodes)) {
$pathnodes = array_reverse($pathnodes);
$ret['path'] = $pathnodes;
}
$list = array();
}
$ret['list'] = array_filter($list, array($this, 'filter'));
return $ret;
}
/**
* Delete comments from database
*
* @param $idcomment. Id of comment which will be deleted
* @param $context. Current context
* @param $pageid. Current pageid
**/
function wiki_delete_comment($idcomment, $context, $pageid)
{
global $CFG;
require_once $CFG->dirroot . '/comment/lib.php';
list($context, $course, $cm) = get_context_info_array($context->id);
$cmt = new stdClass();
$cmt->context = $context;
$cmt->itemid = $pageid;
$cmt->area = 'wiki_page';
$cmt->course = $course;
$cmt->component = 'mod_wiki';
$manager = new comment($cmt);
$manager->delete($idcomment);
}
/**
* Test context fetching.
*/
public function test_get_context_info_array()
{
$this->resetAfterTest();
$syscontext = context_system::instance();
$user = $this->getDataGenerator()->create_user();
$usercontext = context_user::instance($user->id);
$course = $this->getDataGenerator()->create_course();
$catcontext = context_coursecat::instance($course->category);
$coursecontext = context_course::instance($course->id);
$page = $this->getDataGenerator()->create_module('page', array('course' => $course->id));
$modcontext = context_module::instance($page->cmid);
$cm = get_coursemodule_from_instance('page', $page->id);
$block1 = $this->getDataGenerator()->create_block('online_users', array('parentcontextid' => $coursecontext->id));
$block1context = context_block::instance($block1->id);
$block2 = $this->getDataGenerator()->create_block('online_users', array('parentcontextid' => $modcontext->id));
$block2context = context_block::instance($block2->id);
$result = get_context_info_array($syscontext->id);
$this->assertCount(3, $result);
$this->assertEquals($syscontext, $result[0]);
$this->assertNull($result[1]);
$this->assertNull($result[2]);
$result = get_context_info_array($usercontext->id);
$this->assertCount(3, $result);
$this->assertEquals($usercontext, $result[0]);
$this->assertNull($result[1]);
$this->assertNull($result[2]);
$result = get_context_info_array($catcontext->id);
$this->assertCount(3, $result);
$this->assertEquals($catcontext, $result[0]);
$this->assertNull($result[1]);
$this->assertNull($result[2]);
$result = get_context_info_array($coursecontext->id);
$this->assertCount(3, $result);
$this->assertEquals($coursecontext, $result[0]);
$this->assertEquals($course->id, $result[1]->id);
$this->assertSame($course->shortname, $result[1]->shortname);
$this->assertNull($result[2]);
$result = get_context_info_array($block1context->id);
$this->assertCount(3, $result);
$this->assertEquals($block1context, $result[0]);
$this->assertEquals($course->id, $result[1]->id);
$this->assertEquals($course->shortname, $result[1]->shortname);
$this->assertNull($result[2]);
$result = get_context_info_array($modcontext->id);
$this->assertCount(3, $result);
$this->assertEquals($modcontext, $result[0]);
$this->assertEquals($course->id, $result[1]->id);
$this->assertSame($course->shortname, $result[1]->shortname);
$this->assertEquals($cm->id, $result[2]->id);
$this->assertEquals($cm->groupmembersonly, $result[2]->groupmembersonly);
$result = get_context_info_array($block2context->id);
$this->assertCount(3, $result);
$this->assertEquals($block2context, $result[0]);
$this->assertEquals($course->id, $result[1]->id);
$this->assertSame($course->shortname, $result[1]->shortname);
$this->assertEquals($cm->id, $result[2]->id);
$this->assertEquals($cm->groupmembersonly, $result[2]->groupmembersonly);
}
