<?php
/**
* Tasks plugin for Roundcube webmail
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2012, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class tasklist extends rcube_plugin
{
const FILTER_MASK_TODAY = 1;
const FILTER_MASK_TOMORROW = 2;
const FILTER_MASK_WEEK = 4;
const FILTER_MASK_LATER = 8;
const FILTER_MASK_NODATE = 16;
const FILTER_MASK_OVERDUE = 32;
const FILTER_MASK_FLAGGED = 64;
const FILTER_MASK_COMPLETE = 128;
const FILTER_MASK_ASSIGNED = 256;
const FILTER_MASK_MYTASKS = 512;
const SESSION_KEY = 'tasklist_temp';
public static $filter_masks = array(
'today' => self::FILTER_MASK_TODAY,
'tomorrow' => self::FILTER_MASK_TOMORROW,
'week' => self::FILTER_MASK_WEEK,
'later' => self::FILTER_MASK_LATER,
'nodate' => self::FILTER_MASK_NODATE,
'overdue' => self::FILTER_MASK_OVERDUE,
'flagged' => self::FILTER_MASK_FLAGGED,
'complete' => self::FILTER_MASK_COMPLETE,
'assigned' => self::FILTER_MASK_ASSIGNED,
'mytasks' => self::FILTER_MASK_MYTASKS,
);
public $task = '?(?!login|logout).*';
public $allowed_prefs = array('tasklist_sort_col','tasklist_sort_order');
public $rc;
public $lib;
public $timezone;
public $ui;
public $home; // declare public to be used in other classes
// These are handled by __get()
// public $driver;
// public $itip;
// public $ical;
private $collapsed_tasks = array();
private $message_tasks = array();
private $task_titles = array();
/**
* Plugin initialization.
*/
function init()
{
$this->require_plugin('libcalendaring');
$this->require_plugin('libkolab');
$this->rc = rcube::get_instance();
$this->lib = libcalendaring::get_instance();
$this->register_task('tasks', 'tasklist');
// load plugin configuration
$this->load_config();
$this->timezone = $this->lib->timezone;
// proceed initialization in startup hook
$this->add_hook('startup', array($this, 'startup'));
$this->add_hook('user_delete', array($this, 'user_delete'));
}
/**
* Startup hook
*/
public function startup($args)
{
// the tasks module can be enabled/disabled by the kolab_auth plugin
if ($this->rc->config->get('tasklist_disabled', false) || !$this->rc->config->get('tasklist_enabled', true))
return;
// load localizations
$this->add_texts('localization/', $args['task'] == 'tasks' && (!$args['action'] || $args['action'] == 'print'));
$this->rc->load_language($_SESSION['language'], array('tasks.tasks' => $this->gettext('navtitle'))); // add label for task title
if ($args['task'] == 'tasks' && $args['action'] != 'save-pref') {
$this->load_driver();
// register calendar actions
$this->register_action('index', array($this, 'tasklist_view'));
$this->register_action('task', array($this, 'task_action'));
$this->register_action('tasklist', array($this, 'tasklist_action'));
$this->register_action('counts', array($this, 'fetch_counts'));
$this->register_action('fetch', array($this, 'fetch_tasks'));
$this->register_action('print', array($this, 'print_tasks'));
$this->register_action('dialog-ui', array($this, 'mail_message2task'));
$this->register_action('get-attachment', array($this, 'attachment_get'));
$this->register_action('upload', array($this, 'attachment_upload'));
$this->register_action('import', array($this, 'import_tasks'));
$this->register_action('export', array($this, 'export_tasks'));
$this->register_action('mailimportitip', array($this, 'mail_import_itip'));
$this->register_action('mailimportattach', array($this, 'mail_import_attachment'));
$this->register_action('itip-status', array($this, 'task_itip_status'));
$this->register_action('itip-remove', array($this, 'task_itip_remove'));
$this->register_action('itip-decline-reply', array($this, 'mail_itip_decline_reply'));
$this->register_action('itip-delegate', array($this, 'mail_itip_delegate'));
$this->add_hook('refresh', array($this, 'refresh'));
$this->collapsed_tasks = array_filter(explode(',', $this->rc->config->get('tasklist_collapsed_tasks', '')));
}
else if ($args['task'] == 'mail') {
if ($args['action'] == 'show' || $args['action'] == 'preview') {
if ($this->rc->config->get('tasklist_mail_embed', true)) {
$this->add_hook('message_load', array($this, 'mail_message_load'));
}
$this->add_hook('template_object_messagebody', array($this, 'mail_messagebody_html'));
}
// add 'Create event' item to message menu
if ($this->api->output->type == 'html' && (empty($_GET['_rel']) || $_GET['_rel'] != 'task')) {
$this->api->add_content(html::tag('li', array('role' => 'menuitem'),
$this->api->output->button(array(
'command' => 'tasklist-create-from-mail',
'label' => 'tasklist.createfrommail',
'type' => 'link',
'classact' => 'icon taskaddlink active',
'class' => 'icon taskaddlink disabled',
'innerclass' => 'icon taskadd',
))),
'messagemenu');
$this->api->output->add_label('tasklist.createfrommail');
}
}
if (!$this->rc->output->ajax_call && empty($this->rc->output->env['framed'])) {
$this->load_ui();
$this->ui->init();
}
// add hooks for alarms handling
$this->add_hook('pending_alarms', array($this, 'pending_alarms'));
$this->add_hook('dismiss_alarms', array($this, 'dismiss_alarms'));
}
/**
*
*/
private function load_ui()
{
if (!$this->ui) {
require_once($this->home . '/tasklist_ui.php');
$this->ui = new tasklist_ui($this);
}
}
/**
* Helper method to load the backend driver according to local config
*/
private function load_driver()
{
if (!empty($this->driver)) {
return;
}
$driver_name = $this->rc->config->get('tasklist_driver', 'database');
$driver_class = 'tasklist_' . $driver_name . '_driver';
require_once($this->home . '/drivers/tasklist_driver.php');
require_once($this->home . '/drivers/' . $driver_name . '/' . $driver_class . '.php');
$this->driver = new $driver_class($this);
$this->rc->output->set_env('tasklist_driver', $driver_name);
}
/**
* Dispatcher for task-related actions initiated by the client
*/
public function task_action()
{
$filter = intval(rcube_utils::get_input_value('filter', rcube_utils::INPUT_GPC));
$action = rcube_utils::get_input_value('action', rcube_utils::INPUT_GPC);
$rec = rcube_utils::get_input_value('t', rcube_utils::INPUT_POST, true);
$oldrec = $rec;
$success = $refresh = $got_msg = false;
// force notify if hidden + active
$itip_send_option = (int)$this->rc->config->get('calendar_itip_send_option', 3);
if ($itip_send_option === 1 && empty($rec['_reportpartstat'])) {
$rec['_notify'] = 1;
}
switch ($action) {
case 'new':
$oldrec = null;
$rec = $this->prepare_task($rec);
$rec['uid'] = $this->generate_uid();
$temp_id = !empty($rec['tempid']) ? $rec['tempid'] : null;
if ($success = $this->driver->create_task($rec)) {
$refresh = $this->driver->get_task($rec);
if ($temp_id) $refresh['tempid'] = $temp_id;
$this->cleanup_task($rec);
}
break;
case 'complete':
$complete = intval(rcube_utils::get_input_value('complete', rcube_utils::INPUT_POST));
if (!($rec = $this->driver->get_task($rec))) {
break;
}
$oldrec = $rec;
$rec['status'] = $complete ? 'COMPLETED' : ($rec['complete'] > 0 ? 'IN-PROCESS' : 'NEEDS-ACTION');
// sent itip notifications if enabled (no user interaction here)
if (($itip_send_option & 1)) {
if ($this->is_attendee($rec)) {
$rec['_reportpartstat'] = $rec['status'];
}
else if ($this->is_organizer($rec)) {
$rec['_notify'] = 1;
}
}
case 'edit':
$oldrec = $this->driver->get_task($rec);
$rec = $this->prepare_task($rec);
$clone = $this->handle_recurrence($rec, $this->driver->get_task($rec));
if ($success = $this->driver->edit_task($rec)) {
$new_task = $this->driver->get_task($rec);
$new_task['tempid'] = $rec['id'];
$refresh[] = $new_task;
$this->cleanup_task($rec);
// add clone from recurring task
if ($clone && $this->driver->create_task($clone)) {
$new_clone = $this->driver->get_task($clone);
$new_clone['tempid'] = $clone['id'];
$refresh[] = $new_clone;
$this->driver->clear_alarms($rec['id']);
}
// move all childs if list assignment was changed
if (!empty($rec['_fromlist']) && !empty($rec['list']) && $rec['_fromlist'] != $rec['list']) {
foreach ($this->driver->get_childs(array('id' => $rec['id'], 'list' => $rec['_fromlist']), true) as $cid) {
$child = array('id' => $cid, 'list' => $rec['list'], '_fromlist' => $rec['_fromlist']);
if ($this->driver->move_task($child)) {
$r = $this->driver->get_task($child);
if ((bool)($filter & self::FILTER_MASK_COMPLETE) == $this->driver->is_complete($r)) {
$r['tempid'] = $cid;
$refresh[] = $r;
}
}
}
}
}
break;
case 'move':
foreach ((array)$rec['id'] as $id) {
$r = $rec;
$r['id'] = $id;
if ($this->driver->move_task($r)) {
$new_task = $this->driver->get_task($r);
$new_task['tempid'] = $id;
$refresh[] = $new_task;
$success = true;
// move all childs, too
foreach ($this->driver->get_childs(array('id' => $id, 'list' => $rec['_fromlist']), true) as $cid) {
$child = $rec;
$child['id'] = $cid;
if ($this->driver->move_task($child)) {
$r = $this->driver->get_task($child);
if ((bool)($filter & self::FILTER_MASK_COMPLETE) == $this->driver->is_complete($r)) {
$r['tempid'] = $cid;
$refresh[] = $r;
}
}
}
}
}
break;
case 'delete':
$mode = intval(rcube_utils::get_input_value('mode', rcube_utils::INPUT_POST));
$oldrec = $this->driver->get_task($rec);
if ($success = $this->driver->delete_task($rec, false)) {
// delete/modify all childs
foreach ($this->driver->get_childs($rec, $mode) as $cid) {
$child = array('id' => $cid, 'list' => $rec['list']);
if ($mode == 1) { // delete all childs
if ($this->driver->delete_task($child, false)) {
if ($this->driver->undelete)
$_SESSION['tasklist_undelete'][$rec['id']][] = $cid;
}
else
$success = false;
}
else {
$child['parent_id'] = strval($oldrec['parent_id']);
$this->driver->edit_task($child);
}
}
// update parent task to adjust list of children
if (!empty($oldrec['parent_id'])) {
$parent = array('id' => $oldrec['parent_id'], 'list' => $rec['list']);
if ($parent = $this->driver->get_task()) {
$refresh[] = $parent;
}
}
}
if (!$success)
$this->rc->output->command('plugin.reload_data');
break;
case 'undelete':
if ($success = $this->driver->undelete_task($rec)) {
$refresh[] = $this->driver->get_task($rec);
foreach ((array)$_SESSION['tasklist_undelete'][$rec['id']] as $cid) {
if ($this->driver->undelete_task($rec)) {
$refresh[] = $this->driver->get_task($rec);
}
}
}
break;
case 'collapse':
foreach (explode(',', $rec['id']) as $rec_id) {
if (intval(rcube_utils::get_input_value('collapsed', rcube_utils::INPUT_GPC))) {
$this->collapsed_tasks[] = $rec_id;
}
else {
$i = array_search($rec_id, $this->collapsed_tasks);
if ($i !== false)
unset($this->collapsed_tasks[$i]);
}
}
$this->rc->user->save_prefs(array('tasklist_collapsed_tasks' => join(',', array_unique($this->collapsed_tasks))));
return; // avoid further actions
case 'rsvp':
$status = rcube_utils::get_input_value('status', rcube_utils::INPUT_GPC);
$noreply = intval(rcube_utils::get_input_value('noreply', rcube_utils::INPUT_GPC)) || $status == 'needs-action';
$task = $this->driver->get_task($rec);
$task['attendees'] = $rec['attendees'];
$task['_type'] = 'task';
// send invitation to delegatee + add it as attendee
if ($status == 'delegated' && $rec['to']) {
$itip = $this->load_itip();
if ($itip->delegate_to($task, $rec['to'], (bool)$rec['rsvp'])) {
$this->rc->output->show_message('tasklist.itipsendsuccess', 'confirmation');
$refresh[] = $task;
$noreply = false;
}
}
$rec = $task;
if ($success = $this->driver->edit_task($rec)) {
if (!$noreply) {
// let the reply clause further down send the iTip message
$rec['_reportpartstat'] = $status;
}
}
break;
case 'changelog':
$data = $this->driver->get_task_changelog($rec);
if (is_array($data) && !empty($data)) {
$lib = $this->lib;
$dtformat = $this->rc->config->get('date_format') . ' ' . $this->rc->config->get('time_format');
array_walk($data, function(&$change) use ($lib, $dtformat) {
if ($change['date']) {
$dt = $lib->adjust_timezone($change['date']);
if ($dt instanceof DateTime) {
$change['date'] = $this->rc->format_date($dt, $dtformat, false);
}
}
});
$this->rc->output->command('plugin.task_render_changelog', $data);
}
else {
$this->rc->output->command('plugin.task_render_changelog', false);
}
$got_msg = true;
break;
case 'diff':
$data = $this->driver->get_task_diff($rec, $rec['rev1'], $rec['rev2']);
if (is_array($data)) {
// convert some properties, similar to self::_client_event()
$lib = $this->lib;
$date_format = $this->rc->config->get('date_format', 'Y-m-d');
$time_format = $this->rc->config->get('time_format', 'H:i');
array_walk($data['changes'], function(&$change, $i) use ($lib, $date_format, $time_format) {
// convert date cols
if (in_array($change['property'], array('date','start','created','changed'))) {
if (!empty($change['old'])) {
$dtformat = strlen($change['old']) == 10 ? $date_format : $date_format . ' ' . $time_format;
$change['old_'] = $lib->adjust_timezone($change['old'], strlen($change['old']) == 10)->format($dtformat);
}
if (!empty($change['new'])) {
$dtformat = strlen($change['new']) == 10 ? $date_format : $date_format . ' ' . $time_format;
$change['new_'] = $lib->adjust_timezone($change['new'], strlen($change['new']) == 10)->format($dtformat);
}
}
// create textual representation for alarms and recurrence
if ($change['property'] == 'alarms') {
if (is_array($change['old']))
$change['old_'] = libcalendaring::alarm_text($change['old']);
if (is_array($change['new']))
$change['new_'] = libcalendaring::alarm_text(array_merge((array)$change['old'], $change['new']));
}
if ($change['property'] == 'recurrence') {
if (is_array($change['old']))
$change['old_'] = $lib->recurrence_text($change['old']);
if (is_array($change['new']))
$change['new_'] = $lib->recurrence_text(array_merge((array)$change['old'], $change['new']));
}
if ($change['property'] == 'complete') {
$change['old_'] = intval($change['old']) . '%';
$change['new_'] = intval($change['new']) . '%';
}
if ($change['property'] == 'attachments') {
if (is_array($change['old']))
$change['old']['classname'] = rcube_utils::file2class($change['old']['mimetype'], $change['old']['name']);
if (is_array($change['new'])) {
$change['new'] = array_merge((array)$change['old'], $change['new']);
$change['new']['classname'] = rcube_utils::file2class($change['new']['mimetype'], $change['new']['name']);
}
}
// resolve parent_id to the refered task title for display
if ($change['property'] == 'parent_id') {
$change['property'] = 'parent-title';
if (!empty($change['old']) && ($old_parent = $this->driver->get_task(array('id' => $change['old'], 'list' => $rec['list'])))) {
$change['old_'] = $old_parent['title'];
}
if (!empty($change['new']) && ($new_parent = $this->driver->get_task(array('id' => $change['new'], 'list' => $rec['list'])))) {
$change['new_'] = $new_parent['title'];
}
}
// compute a nice diff of description texts
if ($change['property'] == 'description') {
$change['diff_'] = libkolab::html_diff($change['old'], $change['new']);
}
});
$this->rc->output->command('plugin.task_show_diff', $data);
}
else {
$this->rc->output->command('display_message', $this->gettext('objectdiffnotavailable'), 'error');
}
$got_msg = true;
break;
case 'show':
if ($rec = $this->driver->get_task_revison($rec, $rec['rev'])) {
$this->encode_task($rec);
$rec['readonly'] = 1;
$this->rc->output->command('plugin.task_show_revision', $rec);
}
else {
$this->rc->output->command('display_message', $this->gettext('objectnotfound'), 'error');
}
$got_msg = true;
break;
case 'restore':
if ($success = $this->driver->restore_task_revision($rec, $rec['rev'])) {
$refresh = $this->driver->get_task($rec);
$this->rc->output->command('display_message', $this->gettext(array('name' => 'objectrestoresuccess', 'vars' => array('rev' => $rec['rev']))), 'confirmation');
$this->rc->output->command('plugin.close_history_dialog');
}
else {
$this->rc->output->command('display_message', $this->gettext('objectrestoreerror'), 'error');
}
$got_msg = true;
break;
}
if ($success) {
$this->rc->output->show_message('successfullysaved', 'confirmation');
$this->update_counts($oldrec, $refresh);
}
else if (!$got_msg) {
$this->rc->output->show_message('tasklist.errorsaving', 'error');
}
// send out notifications
if ($success && !empty($rec['_notify']) && ($rec['attendees'] || $oldrec['attendees'])) {
// make sure we have the complete record
$task = $action == 'delete' ? $oldrec : $this->driver->get_task($rec);
// only notify if data really changed (TODO: do diff check on client already)
if (!$oldrec || $action == 'delete' || self::task_diff($task, $oldrec)) {
$sent = $this->notify_attendees($task, $oldrec, $action, $rec['_comment']);
if ($sent > 0)
$this->rc->output->show_message('tasklist.itipsendsuccess', 'confirmation');
else if ($sent < 0)
$this->rc->output->show_message('tasklist.errornotifying', 'error');
}
}
if ($success && !empty($rec['_reportpartstat']) && $rec['_reportpartstat'] != 'NEEDS-ACTION') {
// get the full record after update
if (!$task) {
$task = $this->driver->get_task($rec);
}
// send iTip REPLY with the updated partstat
if ($task['organizer'] && ($idx = $this->is_attendee($task)) !== false) {
$sender = $task['attendees'][$idx];
$status = strtolower($sender['status']);
if (!empty($_POST['comment']))
$task['comment'] = rcube_utils::get_input_value('comment', rcube_utils::INPUT_POST);
$itip = $this->load_itip();
$itip->set_sender_email($sender['email']);
if ($itip->send_itip_message($this->to_libcal($task), 'REPLY', $task['organizer'], 'itipsubject' . $status, 'itipmailbody' . $status))
$this->rc->output->command('display_message', $this->gettext(array('name' => 'sentresponseto', 'vars' => array('mailto' => $task['organizer']['name'] ?: $task['organizer']['email']))), 'confirmation');
else
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
}
// unlock client
$this->rc->output->command('plugin.unlock_saving', $success);
if ($refresh) {
if (!empty($refresh['id'])) {
$this->encode_task($refresh);
}
else if (is_array($refresh)) {
foreach ($refresh as $i => $r)
$this->encode_task($refresh[$i]);
}
$this->rc->output->command('plugin.update_task', $refresh);
}
else if ($success && ($action == 'delete' || $action == 'undelete')) {
$this->rc->output->command('plugin.refresh_tagcloud');
}
}
/**
* Load iTIP functions
*/
private function load_itip()
{
if (empty($this->itip)) {
require_once __DIR__ . '/../libcalendaring/lib/libcalendaring_itip.php';
$this->itip = new libcalendaring_itip($this, 'tasklist');
$this->itip->set_rsvp_actions(array('accepted','declined','delegated'));
$this->itip->set_rsvp_status(array('accepted','tentative','declined','delegated','in-process','completed'));
}
return $this->itip;
}
/**
* repares new/edited task properties before save
*/
private function prepare_task($rec)
{
// try to be smart and extract date from raw input
if (!empty($rec['raw'])) {
foreach (array('today','tomorrow','sunday','monday','tuesday','wednesday','thursday','friday','saturday','sun','mon','tue','wed','thu','fri','sat') as $word) {
$locwords[] = '/^' . preg_quote(mb_strtolower($this->gettext($word))) . '\b/i';
$normwords[] = $word;
$datewords[] = $word;
}
foreach (array('jan','feb','mar','apr','may','jun','jul','aug','sep','oct','now','dec') as $month) {
$locwords[] = '/(' . preg_quote(mb_strtolower($this->gettext('long'.$month))) . '|' . preg_quote(mb_strtolower($this->gettext($month))) . ')\b/i';
$normwords[] = $month;
$datewords[] = $month;
}
foreach (array('on','this','next','at') as $word) {
$fillwords[] = preg_quote(mb_strtolower($this->gettext($word)));
$fillwords[] = $word;
}
$raw = trim($rec['raw']);
$date_str = '';
// translate localized keywords
$raw = preg_replace('/^(' . join('|', $fillwords) . ')\s*/i', '', $raw);
$raw = preg_replace($locwords, $normwords, $raw);
// find date pattern
$date_pattern = '!^(\d+[./-]\s*)?((?:\d+[./-])|' . join('|', $datewords) . ')\.?(\s+\d{4})?[:;,]?\s+!i';
if (preg_match($date_pattern, $raw, $m)) {
$date_str .= $m[1] . $m[2] . $m[3];
$raw = preg_replace(array($date_pattern, '/^(' . join('|', $fillwords) . ')\s*/i'), '', $raw);
// add year to date string
if ($m[1] && !$m[3])
$date_str .= date('Y');
}
// find time pattern
$time_pattern = '/^(\d+([:.]\d+)?(\s*[hapm.]+)?),?\s+/i';
if (preg_match($time_pattern, $raw, $m)) {
$has_time = true;
$date_str .= ($date_str ? ' ' : 'today ') . $m[1];
$raw = preg_replace($time_pattern, '', $raw);
}
// yes, raw input matched a (valid) date
if (strlen($date_str) && strtotime($date_str) && ($date = new DateTime($date_str, $this->timezone))) {
$rec['date'] = $date->format('Y-m-d');
if ($has_time)
$rec['time'] = $date->format('H:i');
$rec['title'] = $raw;
}
else
$rec['title'] = $rec['raw'];
}
// normalize input from client
if (isset($rec['complete'])) {
$rec['complete'] = floatval($rec['complete']);
if ($rec['complete'] > 1)
$rec['complete'] /= 100;
}
if (isset($rec['flagged']))
$rec['flagged'] = intval($rec['flagged']);
// fix for garbage input
if ($rec['description'] == 'null')
$rec['description'] = '';
foreach ($rec as $key => $val) {
if ($val === 'null')
$rec[$key] = null;
}
if (!empty($rec['date'])) {
$this->normalize_dates($rec, 'date', 'time');
}
if (!empty($rec['startdate'])) {
$this->normalize_dates($rec, 'startdate', 'starttime');
}
// convert tags to array, filter out empty entries
if (isset($rec['tags']) && !is_array($rec['tags'])) {
$rec['tags'] = array_filter((array)$rec['tags']);
}
// convert the submitted alarm values
if (!empty($rec['valarms'])) {
$valarms = array();
foreach (libcalendaring::from_client_alarms($rec['valarms']) as $alarm) {
// alarms can only work with a date (either task start, due or absolute alarm date)
if (is_a($alarm['trigger'], 'DateTime') || $rec['date'] || $rec['startdate'])
$valarms[] = $alarm;
}
$rec['valarms'] = $valarms;
}
// convert the submitted recurrence settings
if (is_array($rec['recurrence'])) {
$refdate = null;
if (!empty($rec['date'])) {
$refdate = new DateTime($rec['date'] . ' ' . $rec['time'], $this->timezone);
}
else if (!empty($rec['startdate'])) {
$refdate = new DateTime($rec['startdate'] . ' ' . $rec['starttime'], $this->timezone);
}
if ($refdate) {
$rec['recurrence'] = $this->lib->from_client_recurrence($rec['recurrence'], $refdate);
// translate count into an absolute end date.
// why? because when shifting completed tasks to the next recurrence,
// the initial start date to count from gets lost.
if (!empty($rec['recurrence']['COUNT'])) {
$engine = libcalendaring::get_recurrence();
$engine->init($rec['recurrence'], $refdate);
if ($until = $engine->end()) {
$rec['recurrence']['UNTIL'] = $until;
unset($rec['recurrence']['COUNT']);
}
}
}
else { // recurrence requires a reference date
$rec['recurrence'] = '';
}
}
$attachments = array();
$taskid = $rec['id'];
if (!empty($_SESSION[self::SESSION_KEY]) && $_SESSION[self::SESSION_KEY]['id'] == $taskid) {
if (!empty($_SESSION[self::SESSION_KEY]['attachments'])) {
foreach ($_SESSION[self::SESSION_KEY]['attachments'] as $id => $attachment) {
if (is_array($rec['attachments']) && in_array($id, $rec['attachments'])) {
$attachments[$id] = $this->rc->plugins->exec_hook('attachment_get', $attachment);
unset($attachments[$id]['abort'], $attachments[$id]['group']);
}
}
}
}
$rec['attachments'] = $attachments;
// convert link references into simple URIs
if (array_key_exists('links', $rec)) {
$rec['links'] = array_map(function($link) { return is_array($link) ? $link['uri'] : strval($link); }, (array)$rec['links']);
}
// convert invalid data
if (isset($rec['attendees']) && !is_array($rec['attendees'])) {
$rec['attendees'] = array();
}
if (!empty($rec['attendees'])) {
foreach ((array) $rec['attendees'] as $i => $attendee) {
if (is_string($attendee['rsvp'])) {
$rec['attendees'][$i]['rsvp'] = $attendee['rsvp'] == 'true' || $attendee['rsvp'] == '1';
}
}
}
// copy the task status to my attendee partstat
if (!empty($rec['_reportpartstat'])) {
if (($idx = $this->is_attendee($rec)) !== false) {
if (!($rec['_reportpartstat'] == 'NEEDS-ACTION' && $rec['attendees'][$idx]['status'] == 'ACCEPTED'))
$rec['attendees'][$idx]['status'] = $rec['_reportpartstat'];
else
unset($rec['_reportpartstat']);
}
}
// set organizer from identity selector
if ((isset($rec['_identity']) || (!empty($rec['attendees']) && empty($rec['organizer']))) &&
($identity = $this->rc->user->get_identity($rec['_identity']))) {
$rec['organizer'] = array('name' => $identity['name'], 'email' => $identity['email']);
}
if (is_numeric($rec['id']) && $rec['id'] < 0)
unset($rec['id']);
return $rec;
}
/**
* Utility method to convert a tasks date/time values into a normalized format
*/
private function normalize_dates(&$rec, $date_key, $time_key)
{
try {
// parse date from user format (#2801)
$date_format = $this->rc->config->get(empty($rec[$time_key]) ? 'date_format' : 'date_long', 'Y-m-d');
$date = DateTime::createFromFormat($date_format, trim($rec[$date_key] . ' ' . $rec[$time_key]), $this->timezone);
// fall back to default strtotime logic
if (empty($date)) {
$date = new DateTime($rec[$date_key] . ' ' . $rec[$time_key], $this->timezone);
}
$rec[$date_key] = $date->format('Y-m-d');
if (!empty($rec[$time_key]))
$rec[$time_key] = $date->format('H:i');
return true;
}
catch (Exception $e) {
$rec[$date_key] = $rec[$time_key] = null;
}
return false;
}
/**
* Releases some resources after successful save
*/
private function cleanup_task(&$rec)
{
// remove temp. attachment files
if (!empty($_SESSION[self::SESSION_KEY]) && ($taskid = $_SESSION[self::SESSION_KEY]['id'])) {
$this->rc->plugins->exec_hook('attachments_cleanup', array('group' => $taskid));
$this->rc->session->remove(self::SESSION_KEY);
}
}
/**
* When flagging a recurring task as complete,
* clone it and shift dates to the next occurrence
*/
private function handle_recurrence(&$rec, $old)
{
$clone = null;
if ($this->driver->is_complete($rec) && $old && !$this->driver->is_complete($old) && is_array($rec['recurrence'])) {
$engine = libcalendaring::get_recurrence();
$rrule = $rec['recurrence'];
$updates = array();
// compute the next occurrence of date attributes
foreach (array('date'=>'time', 'startdate'=>'starttime') as $date_key => $time_key) {
if (empty($rec[$date_key]))
continue;
$date = new DateTime($rec[$date_key] . ' ' . $rec[$time_key], $this->timezone);
$engine->init($rrule, $date);
if ($next = $engine->next()) {
$updates[$date_key] = $next->format('Y-m-d');
if (!empty($rec[$time_key]))
$updates[$time_key] = $next->format('H:i');
}
}
// shift absolute alarm dates
if (!empty($updates) && is_array($rec['valarms'])) {
$updates['valarms'] = array();
unset($rrule['UNTIL'], $rrule['COUNT']); // make recurrence rule unlimited
foreach ($rec['valarms'] as $i => $alarm) {
if ($alarm['trigger'] instanceof DateTime) {
$engine->init($rrule, $alarm['trigger']);
if ($next = $engine->next()) {
$alarm['trigger'] = $next;
}
}
$updates['valarms'][$i] = $alarm;
}
}
if (!empty($updates)) {
// clone task to save a completed copy
$clone = $rec;
$clone['uid'] = $this->generate_uid();
$clone['parent_id'] = $rec['id'];
unset($clone['id'], $clone['recurrence'], $clone['attachments']);
// update the task but unset completed flag
$rec = array_merge($rec, $updates);
$rec['complete'] = $old['complete'];
$rec['status'] = $old['status'];
}
}
return $clone;
}
/**
* Send out an invitation/notification to all task attendees
*/
private function notify_attendees($task, $old, $action = 'edit', $comment = null)
{
if ($action == 'delete' || ($task['status'] == 'CANCELLED' && $old['status'] != $task['status'])) {
$task['cancelled'] = true;
$is_cancelled = true;
}
$itip = $this->load_itip();
$emails = $this->lib->get_user_emails();
$itip_notify = (int)$this->rc->config->get('calendar_itip_send_option', 3);
// add comment to the iTip attachment
$task['comment'] = $comment;
// needed to generate VTODO instead of VEVENT entry
$task['_type'] = 'task';
// compose multipart message using PEAR:Mail_Mime
$method = $action == 'delete' ? 'CANCEL' : 'REQUEST';
$object = $this->to_libcal($task);
$message = $itip->compose_itip_message($object, $method, $task['sequence'] > $old['sequence']);
// list existing attendees from the $old task
$old_attendees = array();
foreach ((array)$old['attendees'] as $attendee) {
$old_attendees[] = $attendee['email'];
}
// send to every attendee
$sent = 0; $current = array();
foreach ((array)$task['attendees'] as $attendee) {
$current[] = strtolower($attendee['email']);
// skip myself for obvious reasons
if (!$attendee['email'] || in_array(strtolower($attendee['email']), $emails)) {
continue;
}
// skip if notification is disabled for this attendee
if ($attendee['noreply'] && $itip_notify & 2) {
continue;
}
// skip if this attendee has delegated and set RSVP=FALSE
if ($attendee['status'] == 'DELEGATED' && $attendee['rsvp'] === false) {
continue;
}
// which template to use for mail text
$is_new = !in_array($attendee['email'], $old_attendees);
$is_rsvp = $is_new || $task['sequence'] > $old['sequence'];
$bodytext = $is_cancelled ? 'itipcancelmailbody' : ($is_new ? 'invitationmailbody' : 'itipupdatemailbody');
$subject = $is_cancelled ? 'itipcancelsubject' : ($is_new ? 'invitationsubject' : ($task['title'] ? 'itipupdatesubject' : 'itipupdatesubjectempty'));
// finally send the message
if ($itip->send_itip_message($object, $method, $attendee, $subject, $bodytext, $message, $is_rsvp))
$sent++;
else
$sent = -100;
}
// send CANCEL message to removed attendees
foreach ((array)$old['attendees'] as $attendee) {
if (!$attendee['email'] || in_array(strtolower($attendee['email']), $current)) {
continue;
}
$vtodo = $this->to_libcal($old);
$vtodo['cancelled'] = $is_cancelled;
$vtodo['attendees'] = array($attendee);
$vtodo['comment'] = $comment;
if ($itip->send_itip_message($vtodo, 'CANCEL', $attendee, 'itipcancelsubject', 'itipcancelmailbody'))
$sent++;
else
$sent = -100;
}
return $sent;
}
/**
* Compare two task objects and return differing properties
*
* @param array Event A
* @param array Event B
* @return array List of differing task properties
*/
public static function task_diff($a, $b)
{
$diff = array();
$ignore = array('changed' => 1, 'attachments' => 1);
foreach (array_unique(array_merge(array_keys($a), array_keys($b))) as $key) {
if (!$ignore[$key] && $a[$key] != $b[$key])
$diff[] = $key;
}
// only compare number of attachments
if (count($a['attachments']) != count($b['attachments']))
$diff[] = 'attachments';
return $diff;
}
/**
* Dispatcher for tasklist actions initiated by the client
*/
public function tasklist_action()
{
$action = rcube_utils::get_input_value('action', rcube_utils::INPUT_GPC);
$list = rcube_utils::get_input_value('l', rcube_utils::INPUT_GPC, true);
$success = false;
unset($list['_token']);
if (isset($list['showalarms'])) {
$list['showalarms'] = intval($list['showalarms']);
}
switch ($action) {
case 'form-new':
case 'form-edit':
$this->load_ui();
echo $this->ui->tasklist_editform($action, $list);
exit;
case 'new':
$list += array('showalarms' => true, 'active' => true, 'editable' => true);
if ($insert_id = $this->driver->create_list($list)) {
$list['id'] = $insert_id;
if (empty($list['_reload'])) {
$this->load_ui();
$list['html'] = $this->ui->tasklist_list_item($insert_id, $list, $jsenv);
$list += (array)$jsenv[$insert_id];
}
$this->rc->output->command('plugin.insert_tasklist', $list);
$success = true;
}
break;
case 'edit':
if ($newid = $this->driver->edit_list($list)) {
$list['oldid'] = $list['id'];
$list['id'] = $newid;
$this->rc->output->command('plugin.update_tasklist', $list);
$success = true;
}
break;
case 'subscribe':
$success = $this->driver->subscribe_list($list);
break;
case 'delete':
if (($success = $this->driver->delete_list($list)))
$this->rc->output->command('plugin.destroy_tasklist', $list);
break;
case 'search':
$this->load_ui();
$results = array();
$query = rcube_utils::get_input_value('q', rcube_utils::INPUT_GPC);
$source = rcube_utils::get_input_value('source', rcube_utils::INPUT_GPC);
foreach ((array)$this->driver->search_lists($query, $source) as $id => $prop) {
$editname = $prop['editname'];
unset($prop['editname']); // force full name to be displayed
$prop['active'] = false;
// let the UI generate HTML and CSS representation for this calendar
$html = $this->ui->tasklist_list_item($id, $prop, $jsenv);
$prop += (array)$jsenv[$id];
$prop['editname'] = $editname;
$prop['html'] = $html;
$results[] = $prop;
}
// report more results available
if (!empty($this->driver->search_more_results)) {
$this->rc->output->show_message('autocompletemore', 'notice');
}
$this->rc->output->command('multi_thread_http_response', $results, rcube_utils::get_input_value('_reqid', rcube_utils::INPUT_GPC));
return;
}
if ($success) {
$this->rc->output->show_message('successfullysaved', 'confirmation');
}
else {
$this->rc->output->show_message('tasklist.errorsaving', 'error');
}
$this->rc->output->command('plugin.unlock_saving');
}
/**
* Get counts for active tasks divided into different selectors
*/
public function fetch_counts()
{
if (isset($_REQUEST['lists'])) {
$lists = rcube_utils::get_input_value('lists', rcube_utils::INPUT_GPC);
}
else {
foreach ($this->driver->get_lists() as $list) {
if (!empty($list['active'])) {
$lists[] = $list['id'];
}
}
}
$counts = $this->driver->count_tasks($lists);
$this->rc->output->command('plugin.update_counts', $counts);
}
/**
* Adjust the cached counts after changing a task
*/
public function update_counts($oldrec, $newrec)
{
// rebuild counts until this function is finally implemented
$this->fetch_counts();
// $this->rc->output->command('plugin.update_counts', $counts);
}
/**
*
*/
public function fetch_tasks()
{
$mask = intval(rcube_utils::get_input_value('filter', rcube_utils::INPUT_GPC));
$search = rcube_utils::get_input_value('q', rcube_utils::INPUT_GPC);
$lists = rcube_utils::get_input_value('lists', rcube_utils::INPUT_GPC);
$filter = array('mask' => $mask, 'search' => $search);
$data = $this->tasks_data($this->driver->list_tasks($filter, $lists));
$this->rc->output->command('plugin.data_ready', array(
'filter' => $mask,
'lists' => $lists,
'search' => $search,
'data' => $data,
'tags' => $this->driver->get_tags(),
));
}
/**
* Handler for printing calendars
*/
public function print_tasks()
{
// Add CSS stylesheets to the page header
$skin_path = $this->local_skin_path();
$this->include_stylesheet($skin_path . '/print.css');
$this->include_script('tasklist.js');
$this->rc->output->add_handlers(array(
'plugin.tasklist_print' => array($this, 'print_tasks_list'),
));
$this->rc->output->set_pagetitle($this->gettext('print'));
$this->rc->output->send('tasklist.print');
}
/**
* Handler for printing calendars
*/
public function print_tasks_list($attrib)
{
$mask = intval(rcube_utils::get_input_value('filter', rcube_utils::INPUT_GPC));
$search = rcube_utils::get_input_value('q', rcube_utils::INPUT_GPC);
$lists = rcube_utils::get_input_value('lists', rcube_utils::INPUT_GPC);
$filter = array('mask' => $mask, 'search' => $search);
$data = $this->tasks_data($this->driver->list_tasks($filter, $lists));
// we'll build the tasks table in javascript on page load
// where we have sorting methods, etc.
$this->rc->output->set_env('tasks', $data);
$this->rc->output->set_env('filtermask', $mask);
return $this->ui->tasks_resultview($attrib);
}
/**
* Prepare and sort the given task records to be sent to the client
*/
private function tasks_data($records)
{
$data = $this->task_tree = $this->task_titles = array();
foreach ($records as $rec) {
if (!empty($rec['parent_id'])) {
$this->task_tree[$rec['id']] = $rec['parent_id'];
}
$this->encode_task($rec);
$data[] = $rec;
}
// assign hierarchy level indicators for later sorting
array_walk($data, array($this, 'task_walk_tree'));
return $data;
}
/**
* Prepare the given task record before sending it to the client
*/
private function encode_task(&$rec)
{
$rec['mask'] = $this->filter_mask($rec);
$rec['flagged'] = intval($rec['flagged']);
$rec['complete'] = floatval($rec['complete']);
if (is_object($rec['created'])) {
$rec['created_'] = $this->rc->format_date($rec['created']);
$rec['created'] = $rec['created']->format('U');
}
if (is_object($rec['changed'])) {
$rec['changed_'] = $this->rc->format_date($rec['changed']);
$rec['changed'] = $rec['changed']->format('U');
}
else {
$rec['changed'] = null;
}
if ($rec['date']) {
try {
$date = new DateTime($rec['date'] . ' ' . $rec['time'], $this->timezone);
$rec['datetime'] = intval($date->format('U'));
$rec['date'] = $date->format($this->rc->config->get('date_format', 'Y-m-d'));
$rec['_hasdate'] = 1;
}
catch (Exception $e) {
$rec['date'] = $rec['datetime'] = null;
}
}
else {
$rec['date'] = $rec['datetime'] = null;
$rec['_hasdate'] = 0;
}
if ($rec['startdate']) {
try {
$date = new DateTime($rec['startdate'] . ' ' . $rec['starttime'], $this->timezone);
$rec['startdatetime'] = intval($date->format('U'));
$rec['startdate'] = $date->format($this->rc->config->get('date_format', 'Y-m-d'));
}
catch (Exception $e) {
$rec['startdate'] = $rec['startdatetime'] = null;
}
}
if (!empty($rec['valarms'])) {
$rec['alarms_text'] = libcalendaring::alarms_text($rec['valarms']);
$rec['valarms'] = libcalendaring::to_client_alarms($rec['valarms']);
}
if (!empty($rec['recurrence'])) {
$rec['recurrence_text'] = $this->lib->recurrence_text($rec['recurrence']);
$rec['recurrence'] = $this->lib->to_client_recurrence($rec['recurrence'], $rec['time'] || $rec['starttime']);
}
if (!empty($rec['attachments'])) {
foreach ((array) $rec['attachments'] as $k => $attachment) {
$rec['attachments'][$k]['classname'] = rcube_utils::file2class($attachment['mimetype'], $attachment['name']);
}
}
// convert link URIs references into structs
if (array_key_exists('links', $rec)) {
foreach ((array) $rec['links'] as $i => $link) {
if (strpos($link, 'imap://') === 0 && ($msgref = $this->driver->get_message_reference($link, 'task'))) {
$rec['links'][$i] = $msgref;
}
}
}
// Convert HTML description into plain text
if ($this->is_html($rec)) {
$h2t = new rcube_html2text($rec['description'], false, true, 0);
$rec['description'] = $h2t->get_text();
}
if (!is_array($rec['tags']))
$rec['tags'] = (array)$rec['tags'];
sort($rec['tags'], SORT_LOCALE_STRING);
if (in_array($rec['id'], $this->collapsed_tasks))
$rec['collapsed'] = true;
if (empty($rec['parent_id']))
$rec['parent_id'] = null;
$this->task_titles[$rec['id']] = $rec['title'];
}
/**
* Determine whether the given task description is HTML formatted
*/
private function is_html($task)
{
// check for opening and closing <html> or <body> tags
return (preg_match('/<(html|body)(\s+[a-z]|>)/', $task['description'], $m) && strpos($task['description'], '</'.$m[1].'>') > 0);
}
/**
* Callback function for array_walk over all tasks.
* Sets tree depth and parent titles
*/
private function task_walk_tree(&$rec)
{
$rec['_depth'] = 0;
$parent_titles = array();
$parent_id = isset($this->task_tree[$rec['id']]) ? $this->task_tree[$rec['id']] : null;
while ($parent_id) {
$rec['_depth']++;
if (isset($this->task_titles[$parent_id])) {
array_unshift($parent_titles, $this->task_titles[$parent_id]);
}
$parent_id = isset($this->task_tree[$parent_id]) ? $this->task_tree[$parent_id] : null;
}
if (count($parent_titles)) {
$rec['parent_title'] = join(' ยป ', array_filter($parent_titles));
}
}
/**
* Compute the filter mask of the given task
*
* @param array Hash array with Task record properties
* @return int Filter mask
*/
public function filter_mask($rec)
{
static $today, $today_date, $tomorrow, $weeklimit;
if (!$today) {
$today_date = new DateTime('now', $this->timezone);
$today = $today_date->format('Y-m-d');
$tomorrow_date = new DateTime('now + 1 day', $this->timezone);
$tomorrow = $tomorrow_date->format('Y-m-d');
// In Kolab-mode we hide "Next 7 days" filter, which means
// "Later" should catch tasks with date after tomorrow (#5353)
if ($this->rc->output->get_env('tasklist_driver') == 'kolab') {
$weeklimit = $tomorrow;
}
else {
$week_date = new DateTime('now + 7 days', $this->timezone);
$weeklimit = $week_date->format('Y-m-d');
}
}
$mask = 0;
$start = $rec['startdate'] ?: '1900-00-00';
$duedate = $rec['date'] ?: '3000-00-00';
if ($rec['flagged'])
$mask |= self::FILTER_MASK_FLAGGED;
if ($this->driver->is_complete($rec))
$mask |= self::FILTER_MASK_COMPLETE;
if (empty($rec['date']))
$mask |= self::FILTER_MASK_NODATE;
else if ($rec['date'] < $today)
$mask |= self::FILTER_MASK_OVERDUE;
if (empty($rec['recurrence']) || $duedate < $today || $start > $weeklimit) {
if ($duedate <= $today || ($rec['startdate'] && $start <= $today))
$mask |= self::FILTER_MASK_TODAY;
else if (($start > $today && $start <= $tomorrow) || ($duedate > $today && $duedate <= $tomorrow))
$mask |= self::FILTER_MASK_TOMORROW;
else if (($start > $tomorrow && $start <= $weeklimit) || ($duedate > $tomorrow && $duedate <= $weeklimit))
$mask |= self::FILTER_MASK_WEEK;
else if ($start > $weeklimit || $duedate > $weeklimit)
$mask |= self::FILTER_MASK_LATER;
}
else if ($rec['startdate'] || $rec['date']) {
$date = new DateTime($rec['startdate'] ?: $rec['date'], $this->timezone);
// set safe recurrence start
while ($date->format('Y-m-d') >= $today) {
switch ($rec['recurrence']['FREQ']) {
case 'DAILY':
$date = clone $today_date;
$date->sub(new DateInterval('P1D'));
break;
case 'WEEKLY': $date->sub(new DateInterval('P7D')); break;
case 'MONTHLY': $date->sub(new DateInterval('P1M')); break;
case 'YEARLY': $date->sub(new DateInterval('P1Y')); break;
default; break 2;
}
}
$date->_dateonly = true;
$engine = libcalendaring::get_recurrence();
$engine->init($rec['recurrence'], $date);
// check task occurrences (stop next week)
// FIXME: is there a faster way of doing this?
while ($date = $engine->next()) {
$date = $date->format('Y-m-d');
// break iteration asap
if ($date > $duedate || ($mask & self::FILTER_MASK_LATER)) {
break;
}
if ($date == $today) {
$mask |= self::FILTER_MASK_TODAY;
}
else if ($date == $tomorrow) {
$mask |= self::FILTER_MASK_TOMORROW;
}
else if ($date > $tomorrow && $date <= $weeklimit) {
$mask |= self::FILTER_MASK_WEEK;
}
else if ($date > $weeklimit) {
$mask |= self::FILTER_MASK_LATER;
break;
}
}
}
// add masks for assigned tasks
if ($this->is_organizer($rec) && !empty($rec['attendees']) && $this->is_attendee($rec) === false)
$mask |= self::FILTER_MASK_ASSIGNED;
else if (/*empty($rec['attendees']) ||*/ $this->is_attendee($rec) !== false)
$mask |= self::FILTER_MASK_MYTASKS;
return $mask;
}
/**
* Determine whether the current user is an attendee of the given task
*/
public function is_attendee($task)
{
$emails = $this->lib->get_user_emails();
foreach ((array)$task['attendees'] as $i => $attendee) {
if ($attendee['email'] && in_array(strtolower($attendee['email']), $emails)) {
return $i;
}
}
return false;
}
/**
* Determine whether the current user is the organizer of the given task
*/
public function is_organizer($task)
{
$emails = $this->lib->get_user_emails();
return (empty($task['organizer']) || in_array(strtolower($task['organizer']['email']), $emails));
}
/******* UI functions ********/
/**
* Render main view of the tasklist task
*/
public function tasklist_view()
{
$this->ui->init();
$this->ui->init_templates();
// set autocompletion env
$this->rc->output->set_env('autocomplete_threads', (int)$this->rc->config->get('autocomplete_threads', 0));
$this->rc->output->set_env('autocomplete_max', (int)$this->rc->config->get('autocomplete_max', 15));
$this->rc->output->set_env('autocomplete_min_length', $this->rc->config->get('autocomplete_min_length'));
$this->rc->output->add_label('autocompletechars', 'autocompletemore', 'delete', 'close');
$this->rc->output->set_pagetitle($this->gettext('navtitle'));
$this->rc->output->send('tasklist.mainview');
}
/**
* Handler for keep-alive requests
* This will check for updated data in active lists and sync them to the client
*/
public function refresh($attr)
{
// refresh the entire list every 10th time to also sync deleted items
if (rand(0,10) == 10) {
$this->rc->output->command('plugin.reload_data');
return;
}
$filter = array(
'since' => $attr['last'],
'search' => rcube_utils::get_input_value('q', rcube_utils::INPUT_GPC),
'mask' => intval(rcube_utils::get_input_value('filter', rcube_utils::INPUT_GPC)) & self::FILTER_MASK_COMPLETE,
);
$lists = rcube_utils::get_input_value('lists', rcube_utils::INPUT_GPC);;
$updates = $this->driver->list_tasks($filter, $lists);
if (!empty($updates)) {
$this->rc->output->command('plugin.refresh_tasks', $this->tasks_data($updates), true);
// update counts
$counts = $this->driver->count_tasks($lists);
$this->rc->output->command('plugin.update_counts', $counts);
}
}
/**
* Handler for pending_alarms plugin hook triggered by the calendar module on keep-alive requests.
* This will check for pending notifications and pass them to the client
*/
public function pending_alarms($p)
{
$this->load_driver();
if ($alarms = $this->driver->pending_alarms($p['time'] ?: time())) {
foreach ($alarms as $alarm) {
// encode alarm object to suit the expectations of the calendaring code
if ($alarm['date'])
$alarm['start'] = new DateTime($alarm['date'].' '.$alarm['time'], $this->timezone);
$alarm['id'] = 'task:' . $alarm['id']; // prefix ID with task:
$alarm['allday'] = empty($alarm['time']) ? 1 : 0;
$p['alarms'][] = $alarm;
}
}
return $p;
}
/**
* Handler for alarm dismiss hook triggered by the calendar module
*/
public function dismiss_alarms($p)
{
$this->load_driver();
foreach ((array)$p['ids'] as $id) {
if (strpos($id, 'task:') === 0)
$p['success'] |= $this->driver->dismiss_alarm(substr($id, 5), $p['snooze']);
}
return $p;
}
/**
* Handler for importing .ics files
*/
function import_tasks()
{
// Upload progress update
if (!empty($_GET['_progress'])) {
$this->rc->upload_progress();
}
@set_time_limit(0);
// process uploaded file if there is no error
$err = $_FILES['_data']['error'];
if (!$err && $_FILES['_data']['tmp_name']) {
$source = rcube_utils::get_input_value('source', rcube_utils::INPUT_GPC);
$lists = $this->driver->get_lists();
$list = $lists[$source] ?: $this->get_default_tasklist();
$source = $list['id'];
// extract zip file
if ($_FILES['_data']['type'] == 'application/zip') {
$count = 0;
if (class_exists('ZipArchive', false)) {
$zip = new ZipArchive();
if ($zip->open($_FILES['_data']['tmp_name'])) {
$randname = uniqid('zip-' . session_id(), true);
$tmpdir = slashify($this->rc->config->get('temp_dir', sys_get_temp_dir())) . $randname;
mkdir($tmpdir, 0700);
// extract each ical file from the archive and import it
for ($i = 0; $i < $zip->numFiles; $i++) {
$filename = $zip->getNameIndex($i);
if (preg_match('/\.ics$/i', $filename)) {
$tmpfile = $tmpdir . '/' . basename($filename);
if (copy('zip://' . $_FILES['_data']['tmp_name'] . '#'.$filename, $tmpfile)) {
$count += $this->import_from_file($tmpfile, $source, $errors);
unlink($tmpfile);
}
}
}
rmdir($tmpdir);
$zip->close();
}
else {
$errors = 1;
$msg = 'Failed to open zip file.';
}
}
else {
$errors = 1;
$msg = 'Zip files are not supported for import.';
}
}
else {
// attempt to import the uploaded file directly
$count = $this->import_from_file($_FILES['_data']['tmp_name'], $source, $errors);
}
if ($count) {
$this->rc->output->command('display_message', $this->gettext(array('name' => 'importsuccess', 'vars' => array('nr' => $count))), 'confirmation');
$this->rc->output->command('plugin.import_success', array('source' => $source, 'refetch' => true));
}
else if (!$errors) {
$this->rc->output->command('display_message', $this->gettext('importnone'), 'notice');
$this->rc->output->command('plugin.import_success', array('source' => $source));
}
else {
$this->rc->output->command('plugin.import_error', array('message' => $this->gettext('importerror') . ($msg ? ': ' . $msg : '')));
}
}
else {
if ($err == UPLOAD_ERR_INI_SIZE || $err == UPLOAD_ERR_FORM_SIZE) {
$msg = $this->rc->gettext(array('name' => 'filesizeerror', 'vars' => array(
'size' => $this->rc->show_bytes(parse_bytes(ini_get('upload_max_filesize'))))));
}
else {
$msg = $this->rc->gettext('fileuploaderror');
}
$this->rc->output->command('plugin.import_error', array('message' => $msg));
}
$this->rc->output->send('iframe');
}
/**
* Helper function to parse and import a single .ics file
*/
private function import_from_file($filepath, $source, &$errors)
{
$user_email = $this->rc->user->get_username();
$ical = $this->get_ical();
$errors = !$ical->fopen($filepath);
$count = $i = 0;
foreach ($ical as $task) {
// keep the browser connection alive on long import jobs
if (++$i > 100 && $i % 100 == 0) {
echo "<!-- -->";
ob_flush();
}
if ($task['_type'] == 'task') {
$task['list'] = $source;
if ($this->driver->create_task($task)) {
$count++;
}
else {
$errors++;
}
}
}
return $count;
}
/**
* Construct the ics file for exporting tasks to iCalendar format
*/
function export_tasks()
{
$source = rcube_utils::get_input_value('source', rcube_utils::INPUT_GPC);
$task_id = rcube_utils::get_input_value('id', rcube_utils::INPUT_GPC);
$attachments = (bool) rcube_utils::get_input_value('attachments', rcube_utils::INPUT_GPC);
$this->load_driver();
$browser = new rcube_browser;
$lists = $this->driver->get_lists();
$tasks = array();
$filter = array();
// get message UIDs for filter
if ($source && ($list = $lists[$source])) {
$filename = html_entity_decode($list['name']) ?: $sorce;
$filter = array($source => true);
}
else if ($task_id) {
$filename = 'tasks';
foreach (explode(',', $task_id) as $id) {
list($list_id, $task_id) = explode(':', $id, 2);
if ($list_id && $task_id) {
$filter[$list_id][] = $task_id;
}
}
}
// Get tasks
foreach ($filter as $list_id => $uids) {
$_filter = is_array($uids) ? array('uid' => $uids) : null;
$_tasks = $this->driver->list_tasks($_filter, $list_id);
if (!empty($_tasks)) {
$tasks = array_merge($tasks, $_tasks);
}
}
// Set file name
if ($source && count($tasks) == 1) {
$filename = $tasks[0]['title'] ?: 'task';
}
$filename .= '.ics';
$filename = $browser->ie ? rawurlencode($filename) : addcslashes($filename, '"');
$tasks = array_map(array($this, 'to_libcal'), $tasks);
// Give plugins a possibility to implement other output formats or modify the result
$plugin = $this->rc->plugins->exec_hook('tasks_export', array(
'result' => $tasks,
'attachments' => $attachments,
'filename' => $filename,
'plugin' => $this,
));
if ($plugin['abort']) {
exit;
}
$this->rc->output->nocacheing_headers();
// don't kill the connection if download takes more than 30 sec.
@set_time_limit(0);
header("Content-Type: text/calendar");
header("Content-Disposition: inline; filename=\"". $plugin['filename'] ."\"");
$this->get_ical()->export($plugin['result'], '', true,
!empty($plugin['attachments']) ? array($this->driver, 'get_attachment_body') : null);
exit;
}
/******* Attachment handling *******/
/**
* Handler for attachments upload
*/
public function attachment_upload()
{
$handler = new kolab_attachments_handler();
$handler->attachment_upload(self::SESSION_KEY);
}
/**
* Handler for attachments download/displaying
*/
public function attachment_get()
{
$handler = new kolab_attachments_handler();
// show loading page
if (!empty($_GET['_preload'])) {
return $handler->attachment_loading_page();
}
$task = rcube_utils::get_input_value('_t', rcube_utils::INPUT_GPC);
$list = rcube_utils::get_input_value('_list', rcube_utils::INPUT_GPC);
$id = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC);
$rev = rcube_utils::get_input_value('_rev', rcube_utils::INPUT_GPC);
$task = array('id' => $task, 'list' => $list, 'rev' => $rev);
$attachment = $this->driver->get_attachment($id, $task);
// show part page
if (!empty($_GET['_frame'])) {
$handler->attachment_page($attachment);
}
// deliver attachment content
else if ($attachment) {
$attachment['body'] = $this->driver->get_attachment_body($id, $task);
$handler->attachment_get($attachment);
}
// if we arrive here, the requested part was not found
header('HTTP/1.1 404 Not Found');
exit;
}
/******* Email related function *******/
public function mail_message2task()
{
$this->load_ui();
$this->ui->init();
$this->ui->init_templates();
$this->ui->tasklists();
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GET);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GET);
$task = array();
$imap = $this->rc->get_storage();
$message = new rcube_message($uid, $mbox);
if ($message->headers) {
$task['title'] = trim($message->subject);
$task['description'] = trim($message->first_text_part());
$task['id'] = -$uid;
$this->load_driver();
// add a reference to the email message
if ($msgref = $this->driver->get_message_reference($message->headers, $mbox)) {
$task['links'] = array($msgref);
}
// copy mail attachments to task
else if ($message->attachments && $this->driver->attachments) {
if (!is_array($_SESSION[self::SESSION_KEY]) || $_SESSION[self::SESSION_KEY]['id'] != $task['id']) {
$_SESSION[self::SESSION_KEY] = array(
'id' => $task['id'],
'attachments' => array(),
);
}
foreach ((array)$message->attachments as $part) {
$attachment = array(
'data' => $imap->get_message_part($uid, $part->mime_id, $part),
'size' => $part->size,
'name' => $part->filename,
'mimetype' => $part->mimetype,
'group' => $task['id'],
);
$attachment = $this->rc->plugins->exec_hook('attachment_save', $attachment);
if ($attachment['status'] && !$attachment['abort']) {
$id = $attachment['id'];
$attachment['classname'] = rcube_utils::file2class($attachment['mimetype'], $attachment['name']);
// store new attachment in session
unset($attachment['status'], $attachment['abort'], $attachment['data']);
$_SESSION[self::SESSION_KEY]['attachments'][$id] = $attachment;
$attachment['id'] = 'rcmfile' . $attachment['id']; // add prefix to consider it 'new'
$task['attachments'][] = $attachment;
}
}
}
$this->rc->output->set_env('task_prop', $task);
}
else {
$this->rc->output->command('display_message', $this->gettext('messageopenerror'), 'error');
}
$this->rc->output->send('tasklist.dialog');
}
/**
* Add UI element to copy task invitations or updates to the tasklist
*/
public function mail_messagebody_html($p)
{
// load iCalendar functions (if necessary)
if (!empty($this->lib->ical_parts)) {
$this->get_ical();
$this->load_itip();
}
$html = '';
$has_tasks = false;
$ical_objects = $this->lib->get_mail_ical_objects();
// show a box for every task in the file
foreach ($ical_objects as $idx => $task) {
if ($task['_type'] != 'task') {
continue;
}
$has_tasks = true;
// get prepared inline UI for this event object
if ($ical_objects->method) {
$html .= html::div('tasklist-invitebox invitebox boxinformation',
$this->itip->mail_itip_inline_ui(
$task,
$ical_objects->method,
$ical_objects->mime_id . ':' . $idx,
'tasks',
rcube_utils::anytodatetime($ical_objects->message_date)
)
);
}
// limit listing
if ($idx >= 3) {
break;
}
}
// list linked tasks
$links = array();
foreach ($this->message_tasks as $task) {
$checkbox = new html_checkbox(array(
'name' => 'completed',
'class' => 'complete pretty-checkbox',
'title' => $this->gettext('complete'),
'data-list' => $task['list'],
));
$complete = $this->driver->is_complete($task);
$links[] = html::tag('li', 'messagetaskref' . ($complete ? ' complete' : ''),
$checkbox->show($complete ? $task['id'] : null, array('value' => $task['id'])) . ' ' .
html::a(array(
'href' => $this->rc->url(array(
'task' => 'tasks',
'list' => $task['list'],
'id' => $task['id'],
)),
'class' => 'messagetasklink',
'rel' => $task['id'] . '@' . $task['list'],
'target' => '_blank',
), rcube::Q($task['title']))
);
}
if (count($links)) {
$html .= html::div('messagetasklinks boxinformation', html::tag('ul', 'tasklist', join("\n", $links)));
}
// prepend iTip/relation boxes to message body
if ($html) {
$this->load_ui();
$this->ui->init();
$p['content'] = $html . $p['content'];
$this->rc->output->add_label('tasklist.savingdata','tasklist.deletetaskconfirm','tasklist.declinedeleteconfirm');
}
// add "Save to tasks" button into attachment menu
if ($has_tasks) {
$this->add_button(array(
'id' => 'attachmentsavetask',
'name' => 'attachmentsavetask',
'type' => 'link',
'wrapper' => 'li',
'command' => 'attachment-save-task',
'class' => 'icon tasklistlink disabled',
'classact' => 'icon tasklistlink active',
'innerclass' => 'icon taskadd',
'label' => 'tasklist.savetotasklist',
), 'attachmentmenu');
}
return $p;
}
/**
* Lookup backend storage and find notes associated with the given message
*/
public function mail_message_load($p)
{
if (empty($p['object']->headers->others['x-kolab-type'])) {
$this->load_driver();
$this->message_tasks = $this->driver->get_message_related_tasks($p['object']->headers, $p['object']->folder);
// sort message tasks by completeness and due date
$driver = $this->driver;
array_walk($this->message_tasks, array($this, 'encode_task'));
usort($this->message_tasks, function($a, $b) use ($driver) {
$a_complete = intval($driver->is_complete($a));
$b_complete = intval($driver->is_complete($b));
$d = $a_complete - $b_complete;
if (!$d) $d = $b['_hasdate'] - $a['_hasdate'];
if (!$d) $d = $a['datetime'] - $b['datetime'];
return $d;
});
}
}
/**
* Load iCalendar functions
*/
public function get_ical()
{
if (empty($this->ical)) {
$this->ical = libcalendaring::get_ical();
}
return $this->ical;
}
/**
* Get properties of the tasklist this user has specified as default
*/
public function get_default_tasklist($sensitivity = null, $lists = null)
{
if ($lists === null) {
$lists = $this->driver->get_lists(tasklist_driver::FILTER_PERSONAL | tasklist_driver::FILTER_WRITEABLE);
}
$list = null;
foreach ($lists as $l) {
if ($sensitivity && $l['subtype'] == $sensitivity) {
$list = $l;
break;
}
if ($l['default']) {
$list = $l;
}
if ($l['editable']) {
$first = $l;
}
}
return $list ?: $first;
}
/**
* Import the full payload from a mail message attachment
*/
public function mail_import_attachment()
{
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
$charset = RCUBE_CHARSET;
// establish imap connection
$imap = $this->rc->get_storage();
$imap->set_folder($mbox);
if ($uid && $mime_id) {
$part = $imap->get_message_part($uid, $mime_id);
// $headers = $imap->get_message_headers($uid);
if ($part->ctype_parameters['charset']) {
$charset = $part->ctype_parameters['charset'];
}
if ($part) {
$tasks = $this->get_ical()->import($part, $charset);
}
}
$success = $existing = 0;
if (!empty($tasks)) {
// find writeable tasklist to store task
$cal_id = !empty($_REQUEST['_list']) ? rcube_utils::get_input_value('_list', rcube_utils::INPUT_POST) : null;
$lists = $this->driver->get_lists();
foreach ($tasks as $task) {
// save to tasklist
$list = $lists[$cal_id] ?: $this->get_default_tasklist($task['sensitivity']);
if ($list && $list['editable'] && $task['_type'] == 'task') {
$task = $this->from_ical($task);
$task['list'] = $list['id'];
if (!$this->driver->get_task($task['uid'])) {
$success += (bool) $this->driver->create_task($task);
}
else {
$existing++;
}
}
}
}
if ($success) {
$this->rc->output->command('display_message', $this->gettext(array(
'name' => 'importsuccess',
'vars' => array('nr' => $success),
)), 'confirmation');
}
else if ($existing) {
$this->rc->output->command('display_message', $this->gettext('importwarningexists'), 'warning');
}
else {
$this->rc->output->command('display_message', $this->gettext('errorimportingtask'), 'error');
}
}
/**
* Handler for POST request to import an event attached to a mail message
*/
public function mail_import_itip()
{
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
$status = rcube_utils::get_input_value('_status', rcube_utils::INPUT_POST);
$comment = rcube_utils::get_input_value('_comment', rcube_utils::INPUT_POST);
$delete = intval(rcube_utils::get_input_value('_del', rcube_utils::INPUT_POST));
$noreply = intval(rcube_utils::get_input_value('_noreply', rcube_utils::INPUT_POST)) || $status == 'needs-action';
$error_msg = $this->gettext('errorimportingtask');
$success = false;
if ($status == 'delegated') {
$delegates = rcube_mime::decode_address_list(rcube_utils::get_input_value('_to', rcube_utils::INPUT_POST, true), 1, false);
$delegate = reset($delegates);
if (empty($delegate) || empty($delegate['mailto'])) {
$this->rc->output->command('display_message', $this->gettext('libcalendaring.delegateinvalidaddress'), 'error');
return;
}
}
// successfully parsed tasks?
if ($task = $this->lib->mail_get_itip_object($mbox, $uid, $mime_id, 'task')) {
$task = $this->from_ical($task);
// forward iTip request to delegatee
if ($delegate) {
$rsvpme = rcube_utils::get_input_value('_rsvp', rcube_utils::INPUT_POST);
$itip = $this->load_itip();
$task['comment'] = $comment;
if ($itip->delegate_to($task, $delegate, !empty($rsvpme))) {
$this->rc->output->show_message('tasklist.itipsendsuccess', 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
unset($task['comment']);
}
$mode = tasklist_driver::FILTER_PERSONAL
| tasklist_driver::FILTER_SHARED
| tasklist_driver::FILTER_WRITEABLE;
// find writeable list to store the task
$list_id = !empty($_REQUEST['_folder']) ? rcube_utils::get_input_value('_folder', rcube_utils::INPUT_POST) : null;
$lists = $this->driver->get_lists($mode);
$list = $lists[$list_id];
$dontsave = ($_REQUEST['_folder'] === '' && $task['_method'] == 'REQUEST');
// select default list except user explicitly selected 'none'
if (!$list && !$dontsave) {
$list = $this->get_default_tasklist($task['sensitivity'], $lists);
}
$metadata = array(
'uid' => $task['uid'],
'changed' => is_object($task['changed']) ? $task['changed']->format('U') : 0,
'sequence' => intval($task['sequence']),
'fallback' => strtoupper($status),
'method' => $task['_method'],
'task' => 'tasks',
);
// update my attendee status according to submitted method
if (!empty($status)) {
$organizer = $task['organizer'];
$emails = $this->lib->get_user_emails();
foreach ($task['attendees'] as $i => $attendee) {
if ($attendee['email'] && in_array(strtolower($attendee['email']), $emails)) {
$metadata['attendee'] = $attendee['email'];
$metadata['rsvp'] = $attendee['role'] != 'NON-PARTICIPANT';
$reply_sender = $attendee['email'];
$task['attendees'][$i]['status'] = strtoupper($status);
if (!in_array($task['attendees'][$i]['status'], array('NEEDS-ACTION','DELEGATED'))) {
$task['attendees'][$i]['rsvp'] = false; // unset RSVP attribute
}
}
}
// add attendee with this user's default identity if not listed
if (!$reply_sender) {
$sender_identity = $this->rc->user->list_emails(true);
$task['attendees'][] = array(
'name' => $sender_identity['name'],
'email' => $sender_identity['email'],
'role' => 'OPT-PARTICIPANT',
'status' => strtoupper($status),
);
$metadata['attendee'] = $sender_identity['email'];
}
}
// save to tasklist
if ($list && $list['editable']) {
$task['list'] = $list['id'];
// check for existing task with the same UID
$existing = $this->find_task($task['uid'], $mode);
if ($existing) {
// only update attendee status
if ($task['_method'] == 'REPLY') {
// try to identify the attendee using the email sender address
$existing_attendee = -1;
$existing_attendee_emails = array();
foreach ($existing['attendees'] as $i => $attendee) {
$existing_attendee_emails[] = $attendee['email'];
if ($task['_sender'] && ($attendee['email'] == $task['_sender'] || $attendee['email'] == $task['_sender_utf'])) {
$existing_attendee = $i;
}
}
$task_attendee = null;
foreach ($task['attendees'] as $attendee) {
if ($task['_sender'] && ($attendee['email'] == $task['_sender'] || $attendee['email'] == $task['_sender_utf'])) {
$task_attendee = $attendee;
$metadata['fallback'] = $attendee['status'];
$metadata['attendee'] = $attendee['email'];
$metadata['rsvp'] = $attendee['rsvp'] || $attendee['role'] != 'NON-PARTICIPANT';
if ($attendee['status'] != 'DELEGATED') {
break;
}
}
// also copy delegate attendee
else if (!empty($attendee['delegated-from']) &&
(stripos($attendee['delegated-from'], $task['_sender']) !== false || stripos($attendee['delegated-from'], $task['_sender_utf']) !== false) &&
(!in_array($attendee['email'], $existing_attendee_emails))) {
$existing['attendees'][] = $attendee;
}
}
// if delegatee has declined, set delegator's RSVP=True
if ($task_attendee && $task_attendee['status'] == 'DECLINED' && $task_attendee['delegated-from']) {
foreach ($existing['attendees'] as $i => $attendee) {
if ($attendee['email'] == $task_attendee['delegated-from']) {
$existing['attendees'][$i]['rsvp'] = true;
break;
}
}
}
// found matching attendee entry in both existing and new events
if ($existing_attendee >= 0 && $task_attendee) {
$existing['attendees'][$existing_attendee] = $task_attendee;
$success = $this->driver->edit_task($existing);
}
// update the entire attendees block
else if (($task['sequence'] >= $existing['sequence'] || $task['changed'] >= $existing['changed']) && $task_attendee) {
$existing['attendees'][] = $task_attendee;
$success = $this->driver->edit_task($existing);
}
else {
$error_msg = $this->gettext('newerversionexists');
}
}
// delete the task when declined
else if ($status == 'declined' && $delete) {
$deleted = $this->driver->delete_task($existing, true);
$success = true;
}
// import the (newer) task
else if ($task['sequence'] >= $existing['sequence'] || $task['changed'] >= $existing['changed']) {
$task['id'] = $existing['id'];
$task['list'] = $existing['list'];
// preserve my participant status for regular updates
if (empty($status)) {
$this->lib->merge_attendees($task, $existing);
}
// set status=CANCELLED on CANCEL messages
if ($task['_method'] == 'CANCEL') {
$task['status'] = 'CANCELLED';
}
// update attachments list, allow attachments update only on REQUEST (#5342)
if ($task['_method'] == 'REQUEST') {
$task['deleted_attachments'] = true;
}
else {
unset($task['attachments']);
}
// show me as free when declined (#1670)
if ($status == 'declined' || $task['status'] == 'CANCELLED') {
$task['free_busy'] = 'free';
}
$success = $this->driver->edit_task($task);
}
else if (!empty($status)) {
$existing['attendees'] = $task['attendees'];
if ($status == 'declined') { // show me as free when declined (#1670)
$existing['free_busy'] = 'free';
}
$success = $this->driver->edit_event($existing);
}
else {
$error_msg = $this->gettext('newerversionexists');
}
}
else if (!$existing && ($status != 'declined' || $this->rc->config->get('kolab_invitation_tasklists'))) {
$success = $this->driver->create_task($task);
}
else if ($status == 'declined') {
$error_msg = null;
}
}
else if ($status == 'declined' || $dontsave) {
$error_msg = null;
}
else {
$error_msg = $this->gettext('nowritetasklistfound');
}
}
if ($success || $dontsave) {
if ($success) {
$message = $task['_method'] == 'REPLY' ? 'attendeupdateesuccess' : ($deleted ? 'successremoval' : ($existing ? 'updatedsuccessfully' : 'importedsuccessfully'));
$this->rc->output->command('display_message', $this->gettext(array('name' => $message, 'vars' => array('list' => $list['name']))), 'confirmation');
}
$metadata['rsvp'] = intval($metadata['rsvp']);
$metadata['after_action'] = $this->rc->config->get('calendar_itip_after_action', 0);
$this->rc->output->command('plugin.itip_message_processed', $metadata);
$error_msg = null;
}
else if ($error_msg) {
$this->rc->output->command('display_message', $error_msg, 'error');
}
// send iTip reply
if ($task['_method'] == 'REQUEST' && $organizer && !$noreply && !in_array(strtolower($organizer['email']), $emails) && !$error_msg) {
$task['comment'] = $comment;
$itip = $this->load_itip();
$itip->set_sender_email($reply_sender);
if ($itip->send_itip_message($this->to_libcal($task), 'REPLY', $organizer, 'itipsubject' . $status, 'itipmailbody' . $status))
$this->rc->output->command('display_message', $this->gettext(array('name' => 'sentresponseto', 'vars' => array('mailto' => $organizer['name'] ?: $organizer['email']))), 'confirmation');
else
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
$this->rc->output->send();
}
/**** Task invitation plugin hooks ****/
/**
* Handler for task/itip-delegate requests
*/
function mail_itip_delegate()
{
// forward request to mail_import_itip() with the right status
$_POST['_status'] = $_REQUEST['_status'] = 'delegated';
$this->mail_import_itip();
}
/**
* Find a task in user tasklists
*/
protected function find_task($task, &$mode)
{
$this->load_driver();
// We search for writeable folders in personal namespace by default
$mode = tasklist_driver::FILTER_WRITEABLE | tasklist_driver::FILTER_PERSONAL;
$result = $this->driver->get_task($task, $mode);
// ... now check shared folders if not found
if (!$result) {
$result = $this->driver->get_task($task, tasklist_driver::FILTER_WRITEABLE | tasklist_driver::FILTER_SHARED);
if ($result) {
$mode |= tasklist_driver::FILTER_SHARED;
}
}
return $result;
}
/**
* Handler for task/itip-status requests
*/
public function task_itip_status()
{
$data = rcube_utils::get_input_value('data', rcube_utils::INPUT_POST, true);
// find local copy of the referenced task
$existing = $this->find_task($data, $mode);
$is_shared = $mode & tasklist_driver::FILTER_SHARED;
$itip = $this->load_itip();
$response = $itip->get_itip_status($data, $existing);
// get a list of writeable lists to save new tasks to
if ((!$existing || $is_shared) && $response['action'] == 'rsvp' || $response['action'] == 'import') {
$lists = $this->driver->get_lists($mode);
$select = new html_select(array('name' => 'tasklist', 'id' => 'itip-saveto', 'is_escaped' => true, 'class' => 'form-control'));
$select->add('--', '');
foreach ($lists as $list) {
if ($list['editable']) {
$select->add($list['name'], $list['id']);
}
}
}
if ($select) {
$default_list = $this->get_default_tasklist($data['sensitivity'], $lists);
$response['select'] = html::span('folder-select', $this->gettext('saveintasklist') . ' ' .
$select->show($is_shared ? $existing['list'] : $default_list['id']));
}
$this->rc->output->command('plugin.update_itip_object_status', $response);
}
/**
* Handler for task/itip-remove requests
*/
public function task_itip_remove()
{
$success = false;
$uid = rcube_utils::get_input_value('uid', rcube_utils::INPUT_POST);
// search for event if only UID is given
if ($task = $this->driver->get_task($uid)) {
$success = $this->driver->delete_task($task, true);
}
if ($success) {
$this->rc->output->show_message('tasklist.successremoval', 'confirmation');
}
else {
$this->rc->output->show_message('tasklist.errorsaving', 'error');
}
}
/******* Utility functions *******/
/**
* Generate a unique identifier for an event
*/
public function generate_uid()
{
return strtoupper(md5(time() . uniqid(rand())) . '-' . substr(md5($this->rc->user->get_username()), 0, 16));
}
/**
* Map task properties for ical exprort using libcalendaring
*/
public function to_libcal($task)
{
$object = $task;
$object['_type'] = 'task';
$object['categories'] = (array)$task['tags'];
// convert to datetime objects
if (!empty($task['date'])) {
$object['due'] = rcube_utils::anytodatetime($task['date'].' '.$task['time'], $this->timezone);
if (empty($task['time']))
$object['due']->_dateonly = true;
unset($object['date']);
}
if (!empty($task['startdate'])) {
$object['start'] = rcube_utils::anytodatetime($task['startdate'].' '.$task['starttime'], $this->timezone);
if (empty($task['starttime']))
$object['start']->_dateonly = true;
unset($object['startdate']);
}
$object['complete'] = $task['complete'] * 100;
if ($task['complete'] == 1.0 && empty($task['complete'])) {
$object['status'] = 'COMPLETED';
}
if ($task['flagged']) {
$object['priority'] = 1;
}
else if (empty($task['priority'])) {
$object['priority'] = 0;
}
return $object;
}
/**
* Convert task properties from ical parser to the internal format
*/
public function from_ical($vtodo)
{
$task = $vtodo;
$task['tags'] = array_filter((array)$vtodo['categories']);
$task['flagged'] = $vtodo['priority'] == 1;
$task['complete'] = floatval($vtodo['complete'] / 100);
// convert from DateTime to internal date format
if (is_a($vtodo['due'], 'DateTime')) {
$due = $this->lib->adjust_timezone($vtodo['due']);
$task['date'] = $due->format('Y-m-d');
if (!$vtodo['due']->_dateonly)
$task['time'] = $due->format('H:i');
}
// convert from DateTime to internal date format
if (is_a($vtodo['start'], 'DateTime')) {
$start = $this->lib->adjust_timezone($vtodo['start']);
$task['startdate'] = $start->format('Y-m-d');
if (!$vtodo['start']->_dateonly)
$task['starttime'] = $start->format('H:i');
}
if (is_a($vtodo['dtstamp'], 'DateTime')) {
$task['changed'] = $vtodo['dtstamp'];
}
unset($task['categories'], $task['due'], $task['start'], $task['dtstamp']);
return $task;
}
/**
* Handler for user_delete plugin hook
*/
public function user_delete($args)
{
$this->load_driver();
return $this->driver->user_delete($args);
}
/**
* Magic getter for public access to protected members
*/
public function __get($name)
{
switch ($name) {
case 'ical':
return $this->get_ical();
case 'itip':
return $this->load_itip();
case 'driver':
$this->load_driver();
return $this->driver;
}
return null;
}
}
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