/**
* Serves the message attachments. Implements needed access control ;-)
*
* @param object $course
* @param object $cm
* @param object $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @return bool false if file not found, does not return if found - justsend the file
*/
function block_jmail_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload)
{
global $SCRIPT;
if ($context->contextlevel != CONTEXT_BLOCK) {
//send_file_not_found();
}
require_course_login($course);
$coursecontext = block_jmail_get_context(CONTEXT_COURSE, $course->id, MUST_EXIST);
// The mailbox constructor does the permission validation
if (!($mailbox = new block_jmail_mailbox($course, $coursecontext, $context))) {
return;
}
$messageid = (int) array_shift($args);
$message = block_jmail_message::get_from_id($messageid);
// We check if we are the senders or the receivers
if (!$message) {
send_file_not_found();
}
$pendingaprobal = !$message->approved and has_capability('block/jmail:approvemessages', $context);
if (!$message->is_mine() and !$pendingaprobal) {
send_file_not_found();
}
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/{$context->id}/block_jmail/{$filearea}/{$messageid}/{$relativepath}";
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
$forcedownload = true;
send_stored_file($file, 60 * 60, 0, $forcedownload);
}
/**
* Saves an attachment to your private files
*/
public function save_to_private_files($path)
{
global $USER;
$args = explode('/', ltrim($path, '/'));
$contextid = (int) array_shift($args);
$component = clean_param(array_shift($args), PARAM_SAFEDIR);
$filearea = clean_param(array_shift($args), PARAM_SAFEDIR);
$messageid = clean_param(array_shift($args), PARAM_INT);
$message = block_jmail_message::get_from_id($messageid);
if ($contextid != $this->blockcontext->id) {
return false;
}
if ($filearea !== 'attachment') {
return false;
}
if ($component !== 'block_jmail') {
return false;
}
if (!$message or !$message->is_mine()) {
return false;
}
$fs = get_file_storage();
if (!($file = $fs->get_file_by_hash(sha1($path))) or $file->is_directory()) {
return false;
}
$context = block_jmail_get_context(CONTEXT_USER, $USER->id);
$newfile = new stdClass();
$newfile->contextid = $context->id;
$newfile->component = 'user';
$newfile->filearea = 'private';
$newfile->itemid = 0;
$newfile->filepath = '/jmail/' . format_string($this->course->shortname) . '/';
$newfile->filename = array_pop(explode('/', $path));
if (!$fs->create_file_from_storedfile($newfile, $file)) {
return false;
}
return true;
}
$PAGE->set_url('/blocks/jmail/message.php', array('id' => $id, 'messageid' => $messageid));
if (!($course = $DB->get_record('course', array('id' => $id)))) {
throw new moodle_exception('invalidcourseid', 'error');
}
if (!($block = $DB->get_record('block', array('name' => 'jmail', 'visible' => 1)))) {
throw new moodle_exception('invalidcourseid', 'error');
}
require_login($course->id);
$context = block_jmail_get_context(CONTEXT_COURSE, $course->id, MUST_EXIST);
$PAGE->set_context($context);
if (!($mailbox = new block_jmail_mailbox($course, $context))) {
throw new moodle_exception('Invalid mailbox');
}
$blockcontext = $mailbox->blockcontext;
// TODO, check block disabled or instance not visible?
$message = block_jmail_message::get_from_id($messageid);
if (!$message or !$message->is_mine()) {
$messageid = 0;
}
if ($messageid and $message->courseid != $course->id) {
throw new moodle_exception('invalidcourseid', 'error');
}
if ($mailbox->cansend) {
$mform = new block_jmail_message_form(null, array('course' => $course, 'context' => $blockcontext));
if ($messageid) {
$draftitemid = file_get_submitted_draft_itemid('attachments');
file_prepare_draft_area($draftitemid, $blockcontext->id, 'block_jmail', 'attachment', $messageid);
$draftideditor = file_get_submitted_draft_itemid('body');
$message->body = file_prepare_draft_area($draftideditor, $blockcontext->id, 'block_jmail', 'body', $messageid, array('subdirs' => true), $message->body);
if ($mode != 'edit') {
$messageid = 0;