Esempio n. 1
0
/**
 * 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;
 }
Esempio n. 3
0
$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;