718 lines
24 KiB
PHP
718 lines
24 KiB
PHP
<?php
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/**
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* Kolab notes module
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*
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* Adds simple notes management features to the web client
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*
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* @version @package_version@
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* @author Thomas Bruederli <bruederli@kolabsys.com>
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*
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* Copyright (C) 2014, Kolab Systems AG <contact@kolabsys.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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class kolab_notes extends rcube_plugin
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{
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public $task = '?(?!login|logout).*';
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public $rc;
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private $ui;
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private $lists;
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private $folders;
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private $cache = array();
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/**
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* Required startup method of a Roundcube plugin
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*/
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public function init()
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{
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$this->require_plugin('libkolab');
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$this->rc = rcube::get_instance();
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$this->register_task('notes');
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// load plugin configuration
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$this->load_config();
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// proceed initialization in startup hook
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$this->add_hook('startup', array($this, 'startup'));
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}
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/**
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* Startup hook
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*/
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public function startup($args)
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{
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// the notes module can be enabled/disabled by the kolab_auth plugin
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if ($this->rc->config->get('notes_disabled', false) || !$this->rc->config->get('notes_enabled', true)) {
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return;
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}
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// load localizations
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$this->add_texts('localization/', $args['task'] == 'notes' && !$args['action']);
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if ($args['task'] == 'notes') {
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// register task actions
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$this->register_action('index', array($this, 'notes_view'));
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$this->register_action('fetch', array($this, 'notes_fetch'));
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$this->register_action('get', array($this, 'note_record'));
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$this->register_action('action', array($this, 'note_action'));
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$this->register_action('list', array($this, 'list_action'));
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}
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if (!$this->rc->output->ajax_call && (!$this->rc->output->env['framed'] || $args['action'] == 'folder-acl')) {
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require_once($this->home . '/kolab_notes_ui.php');
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$this->ui = new kolab_notes_ui($this);
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$this->ui->init();
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}
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}
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/**
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* Read available calendars for the current user and store them internally
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*/
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private function _read_lists($force = false)
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{
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// already read sources
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if (isset($this->lists) && !$force)
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return $this->lists;
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// get all folders that have type "task"
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$folders = kolab_storage::sort_folders(kolab_storage::get_folders('note'));
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$this->lists = $this->folders = array();
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// find default folder
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$default_index = 0;
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foreach ($folders as $i => $folder) {
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if ($folder->default)
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$default_index = $i;
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}
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// put default folder on top of the list
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if ($default_index > 0) {
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$default_folder = $folders[$default_index];
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unset($folders[$default_index]);
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array_unshift($folders, $default_folder);
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}
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$delim = $this->rc->get_storage()->get_hierarchy_delimiter();
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$listnames = array();
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// include virtual folders for a full folder tree
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if (!$this->rc->output->ajax_call && in_array($this->rc->action, array('index','')))
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$folders = kolab_storage::folder_hierarchy($folders);
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foreach ($folders as $folder) {
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$utf7name = $folder->name;
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$path_imap = explode($delim, $utf7name);
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$editname = rcube_charset::convert(array_pop($path_imap), 'UTF7-IMAP'); // pop off raw name part
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$path_imap = join($delim, $path_imap);
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$fullname = $folder->get_name();
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$listname = kolab_storage::folder_displayname($fullname, $listnames);
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// special handling for virtual folders
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if ($folder->virtual) {
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$list_id = kolab_storage::folder_id($utf7name);
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$this->lists[$list_id] = array(
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'id' => $list_id,
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'name' => $fullname,
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'listname' => $listname,
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'virtual' => true,
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'editable' => false,
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);
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continue;
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}
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if ($folder->get_namespace() == 'personal') {
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$norename = false;
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$readonly = false;
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$alarms = true;
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}
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else {
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$alarms = false;
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$readonly = true;
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if (($rights = $folder->get_myrights()) && !PEAR::isError($rights)) {
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if (strpos($rights, 'i') !== false)
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$readonly = false;
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}
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$info = $folder->get_folder_info();
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$norename = $readonly || $info['norename'] || $info['protected'];
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}
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$list_id = kolab_storage::folder_id($utf7name);
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$item = array(
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'id' => $list_id,
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'name' => $fullname,
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'listname' => $listname,
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'editname' => $editname,
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'editable' => !$readonly,
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'norename' => $norename,
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'parentfolder' => $path_imap,
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'default' => $folder->default,
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'class_name' => trim($folder->get_namespace() . ($folder->default ? ' default' : '')),
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);
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$this->lists[$item['id']] = $item;
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$this->folders[$item['id']] = $folder;
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$this->folders[$folder->name] = $folder;
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}
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}
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/**
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* Get a list of available folders from this source
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*/
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public function get_lists()
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{
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$this->_read_lists();
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// attempt to create a default folder for this user
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if (empty($this->lists)) {
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#if ($this->create_list(array('name' => 'Tasks', 'color' => '0000CC', 'default' => true)))
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# $this->_read_lists(true);
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}
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return $this->lists;
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}
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/******* UI functions ********/
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/**
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* Render main view of the tasklist task
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*/
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public function notes_view()
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{
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$this->ui->init();
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$this->ui->init_templates();
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$this->rc->output->set_pagetitle($this->gettext('navtitle'));
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$this->rc->output->send('kolab_notes.notes');
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}
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/**
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* Handler to retrieve note records for the given list and/or search query
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*/
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public function notes_fetch()
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{
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$search = rcube_utils::get_input_value('_q', RCUBE_INPUT_GPC, true);
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$list = rcube_utils::get_input_value('_list', RCUBE_INPUT_GPC);
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$data = $this->notes_data($this->list_notes($list, $search), $tags);
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$this->rc->output->command('plugin.data_ready', array('list' => $list, 'search' => $search, 'data' => $data, 'tags' => array_values($tags)));
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}
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/**
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* Convert the given note records for delivery to the client
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*/
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protected function notes_data($records, &$tags)
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{
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$tags = array();
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foreach ($records as $i => $rec) {
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unset($records[$i]['description']);
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$this->_client_encode($records[$i]);
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foreach ((array)$rec['categories'] as $tag) {
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$tags[] = $tag;
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}
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}
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$tags = array_unique($tags);
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return $records;
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}
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/**
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* Read note records for the given list from the storage backend
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*/
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protected function list_notes($list_id, $search = null)
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{
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$results = array();
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// query Kolab storage
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$query = array();
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// full text search (only works with cache enabled)
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if (strlen($search)) {
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$words = array_filter(rcube_utils::normalize_string(mb_strtolower($search), true));
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foreach ($words as $word) {
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if (strlen($word) > 2) { // only words > 3 chars are stored in DB
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$query[] = array('words', '~', $word);
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}
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}
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}
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$this->_read_lists();
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if ($folder = $this->folders[$list_id]) {
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foreach ($folder->select($query) as $record) {
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// post-filter search results
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if (strlen($search)) {
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$matches = 0;
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$contents = mb_strtolower(
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$record['title'] .
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($this->is_html($record) ? strip_tags($record['description']) : $record['description']) .
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join(' ', (array)$record['categories'])
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);
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foreach ($words as $word) {
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if (mb_strpos($contents, $word) !== false) {
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$matches++;
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}
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}
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// skip records not matching all search words
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if ($matches < count($words)) {
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continue;
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}
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}
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$record['list'] = $list_id;
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$results[] = $record;
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}
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}
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return $results;
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}
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/**
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* Handler for delivering a full note record to the client
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*/
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public function note_record()
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{
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$data = $this->get_note(array(
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'uid' => rcube_utils::get_input_value('_id', RCUBE_INPUT_GPC),
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'list' => rcube_utils::get_input_value('_list', RCUBE_INPUT_GPC),
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));
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// encode for client use
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if (is_array($data)) {
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$this->_client_encode($data);
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}
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$this->rc->output->command('plugin.render_note', $data);
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}
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/**
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* Get the full note record identified by the given UID + Lolder identifier
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*/
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public function get_note($note)
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{
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if (is_array($note)) {
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$uid = $note['id'] ?: $note['uid'];
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$list_id = $note['list'];
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}
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else {
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$uid = $note;
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}
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// deliver from in-memory cache
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$key = $list_id . ':' . $uid;
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if ($this->cache[$key]) {
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return $this->cache[$key];
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}
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$this->_read_lists();
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if ($list_id) {
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if ($folder = $this->folders[$list_id]) {
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return $folder->get_object($uid);
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}
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}
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// iterate over all calendar folders and search for the event ID
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else {
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foreach ($this->folders as $list_id => $folder) {
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if ($result = $folder->get_object($uid)) {
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$result['list'] = $list_id;
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return $result;
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}
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}
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}
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return false;
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}
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/**
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* Helper method to encode the given note record for use in the client
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*/
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private function _client_encode(&$note)
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{
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foreach ($note as $key => $prop) {
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if ($key[0] == '_' || $key == 'x-custom') {
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unset($note[$key]);
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}
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}
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foreach (array('created','changed') as $key) {
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if (is_object($note[$key]) && $note[$key] instanceof DateTime) {
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$note[$key.'_'] = $note[$key]->format('U');
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$note[$key] = $this->rc->format_date($note[$key]);
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}
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}
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// clean HTML contents
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if (!empty($note['description']) && $this->is_html($note)) {
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$note['html'] = $this->_wash_html($note['description']);
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}
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return $note;
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}
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/**
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* Handler for client-initiated actions on a single note record
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*/
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public function note_action()
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{
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$action = rcube_utils::get_input_value('_do', RCUBE_INPUT_POST);
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$note = rcube_utils::get_input_value('_data', RCUBE_INPUT_POST, true);
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$success = false;
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switch ($action) {
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case 'new':
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$temp_id = $rec['tempid'];
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case 'edit':
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if ($success = $this->save_note($note)) {
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$refresh = $this->get_note($note);
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$refresh['tempid'] = $temp_id;
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}
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break;
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case 'move':
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$uids = explode(',', $note['uid']);
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foreach ($uids as $uid) {
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$note['uid'] = $uid;
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if (!($success = $this->move_note($note, $note['to']))) {
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$refresh = $this->get_note($note);
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break;
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}
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}
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break;
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case 'delete':
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$uids = explode(',', $note['uid']);
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foreach ($uids as $uid) {
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$note['uid'] = $uid;
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if (!($success = $this->delete_note($note))) {
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$refresh = $this->get_note($note);
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break;
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}
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}
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break;
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}
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// show confirmation/error message
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if ($success) {
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$this->rc->output->show_message('successfullysaved', 'confirmation');
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}
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else {
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$this->rc->output->show_message('errorsaving', 'error');
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}
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// unlock client
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$this->rc->output->command('plugin.unlock_saving');
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if ($refresh) {
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$this->rc->output->command('plugin.update_note', $this->_client_encode($refresh));
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}
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}
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/**
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* Update an note record with the given data
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*
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* @param array Hash array with note properties (id, list)
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* @return boolean True on success, False on error
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*/
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private function save_note(&$note)
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{
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$this->_read_lists();
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$list_id = $note['list'];
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if (!$list_id || !($folder = $this->folders[$list_id]))
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return false;
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// moved from another folder
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if ($note['_fromlist'] && ($fromfolder = $this->folders[$note['_fromlist']])) {
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if (!$fromfolder->move($note['uid'], $folder->name))
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return false;
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unset($note['_fromlist']);
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}
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// load previous version of this record to merge
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if ($note['uid']) {
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$old = $folder->get_object($note['uid']);
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if (!$old || PEAR::isError($old))
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return false;
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// merge existing properties if the update isn't complete
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if (!isset($note['title']) || !isset($note['description']))
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$note += $old;
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}
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// generate new note object from input
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$object = $this->_write_preprocess($note, $old);# return false;
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$saved = $folder->save($object, 'note', $note['uid']);
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if (!$saved) {
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raise_error(array(
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'code' => 600, 'type' => 'php',
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'file' => __FILE__, 'line' => __LINE__,
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'message' => "Error saving note object to Kolab server"),
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true, false);
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$saved = false;
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}
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else {
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$note = $object;
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$note['list'] = $list_id;
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// cache this in memory for later read
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$key = $list_id . ':' . $note['uid'];
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$this->cache[$key] = $note;
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}
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return $saved;
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}
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/**
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* Move the given note to another folder
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*/
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function move_note($note, $list_id)
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{
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$this->_read_lists();
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$tofolder = $this->folders[$list_id];
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$fromfolder = $this->folders[$note['list']];
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if ($fromfolder && $tofolder) {
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return $fromfolder->move($note['uid'], $tofolder->name);
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}
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return false;
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}
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/**
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* Remove a single note record from the backend
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*
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* @param array Hash array with note properties (id, list)
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* @param boolean Remove record irreversible (mark as deleted otherwise)
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* @return boolean True on success, False on error
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*/
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public function delete_note($note, $force = true)
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{
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$this->_read_lists();
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$list_id = $note['list'];
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if (!$list_id || !($folder = $this->folders[$list_id]))
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return false;
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return $folder->delete($note['uid'], $force);
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}
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/**
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* Handler for client requests to list (aka folder) actions
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*/
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public function list_action()
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{
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$action = rcube_utils::get_input_value('_do', RCUBE_INPUT_GPC);
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$list = rcube_utils::get_input_value('_list', RCUBE_INPUT_GPC, true);
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$success = $update_cmd = false;
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switch ($action) {
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case 'form-new':
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case 'form-edit':
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$this->_read_lists();
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echo $this->ui->list_editform($action, $this->lists[$list['id']], $this->folders[$list['id']]);
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exit;
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case 'new':
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$list['type'] = 'note';
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$list['subscribed'] = true;
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$folder = kolab_storage::folder_update($list);
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if ($folder === false) {
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$save_error = $this->gettext(kolab_storage::$last_error);
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}
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else {
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$success = true;
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$update_cmd = 'plugin.update_list';
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$list['id'] = kolab_storage::folder_id($folder);
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$list['_reload'] = true;
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}
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break;
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case 'edit':
|
|
$this->_read_lists();
|
|
$oldparent = $this->lists[$list['id']]['parentfolder'];
|
|
$newfolder = kolab_storage::folder_update($list);
|
|
|
|
if ($newfolder === false) {
|
|
$save_error = $this->gettext(kolab_storage::$last_error);
|
|
}
|
|
else {
|
|
$success = true;
|
|
$update_cmd = 'plugin.update_list';
|
|
$list['newid'] = kolab_storage::folder_id($newfolder);
|
|
$list['_reload'] = $list['parent'] != $oldparent;
|
|
|
|
// compose the new display name
|
|
$delim = $this->rc->get_storage()->get_hierarchy_delimiter();
|
|
$path_imap = explode($delim, $newfolder);
|
|
$list['name'] = kolab_storage::object_name($newfolder);
|
|
$list['editname'] = rcube_charset::convert(array_pop($path_imap), 'UTF7-IMAP');
|
|
$list['listname'] = str_repeat(' ', count($path_imap)) . '» ' . $list['editname'];
|
|
}
|
|
break;
|
|
|
|
case 'delete':
|
|
$this->_read_lists();
|
|
$folder = $this->folders[$list['id']];
|
|
if ($folder && kolab_storage::folder_delete($folder->name)) {
|
|
$success = true;
|
|
$update_cmd = 'plugin.destroy_list';
|
|
}
|
|
else {
|
|
$save_error = $this->gettext(kolab_storage::$last_error);
|
|
}
|
|
break;
|
|
}
|
|
|
|
$this->rc->output->command('plugin.unlock_saving');
|
|
|
|
if ($success) {
|
|
$this->rc->output->show_message('successfullysaved', 'confirmation');
|
|
|
|
if ($update_cmd) {
|
|
$this->rc->output->command($update_cmd, $list);
|
|
}
|
|
}
|
|
else {
|
|
$error_msg = $this->gettext('errorsaving') . ($save_error ? ': ' . $save_error :'');
|
|
$this->rc->output->show_message($error_msg, 'error');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Determine whether the given note is HTML formatted
|
|
*/
|
|
private function is_html($note)
|
|
{
|
|
// check for opening and closing <html> or <body> tags
|
|
return (preg_match('/<(html|body)(\s+[a-z]|>)/', $note['description'], $m) && strpos($note['description'], '</'.$m[1].'>') > 0);
|
|
}
|
|
|
|
/**
|
|
* Process the given note data (submitted by the client) before saving it
|
|
*/
|
|
private function _write_preprocess($note, $old = array())
|
|
{
|
|
$object = $note;
|
|
|
|
// TODO: handle attachments
|
|
|
|
// clean up HTML content
|
|
$object['description'] = $this->_wash_html($note['description']);
|
|
$is_html = true;
|
|
|
|
// try to be smart and convert to plain-text if no real formatting is detected
|
|
if (preg_match('!<body><pre>(.*)</pre></body>!ims', $object['description'], $m)) {
|
|
if (!preg_match('!<(a|b|i|strong|em|p|span|div|pre|li)(\s+[a-z]|>)!im', $m[1], $n) || !strpos($m[1], '</'.$n[1].'>')) {
|
|
// $converter = new rcube_html2text($m[1], false, true, 0);
|
|
// $object['description'] = rtrim($converter->get_text());
|
|
$object['description'] = html_entity_decode(preg_replace('!<br(\s+/)>!', "\n", $m[1]));
|
|
$is_html = false;
|
|
}
|
|
}
|
|
|
|
// Add proper HTML header, otherwise Kontact renders it as plain text
|
|
if ($is_html) {
|
|
$object['description'] = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd">'."\n" .
|
|
str_replace('<head>', '<head><meta name="qrichtext" content="1" />', $object['description']);
|
|
}
|
|
|
|
// copy meta data (starting with _) from old object
|
|
foreach ((array)$old as $key => $val) {
|
|
if (!isset($object[$key]) && $key[0] == '_')
|
|
$object[$key] = $val;
|
|
}
|
|
|
|
unset($object['list'], $object['tempid'], $object['created'], $object['changed'], $object['created_'], $object['changed_']);
|
|
return $object;
|
|
}
|
|
|
|
/**
|
|
* Sanity checks/cleanups HTML content
|
|
*/
|
|
private function _wash_html($html)
|
|
{
|
|
// Add header with charset spec., washtml cannot work without that
|
|
$html = '<html><head>'
|
|
. '<meta http-equiv="Content-Type" content="text/html; charset='.RCUBE_CHARSET.'" />'
|
|
. '</head><body>' . $html . '</body></html>';
|
|
|
|
// clean HTML with washtml by Frederic Motte
|
|
$wash_opts = array(
|
|
'show_washed' => false,
|
|
'allow_remote' => 1,
|
|
'charset' => RCUBE_CHARSET,
|
|
'html_elements' => array('html', 'head', 'meta', 'body', 'link'),
|
|
'html_attribs' => array('rel', 'type', 'name', 'http-equiv'),
|
|
);
|
|
|
|
// initialize HTML washer
|
|
$washer = new rcube_washtml($wash_opts);
|
|
|
|
$washer->add_callback('form', array($this, '_washtml_callback'));
|
|
$washer->add_callback('a', array($this, '_washtml_callback'));
|
|
|
|
// Remove non-UTF8 characters
|
|
$html = rcube_charset::clean($html);
|
|
|
|
$html = $washer->wash($html);
|
|
|
|
// remove unwanted comments (produced by washtml)
|
|
$html = preg_replace('/<!--[^>]+-->/', '', $html);
|
|
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Callback function for washtml cleaning class
|
|
*/
|
|
public function _washtml_callback($tagname, $attrib, $content, $washtml)
|
|
{
|
|
switch ($tagname) {
|
|
case 'form':
|
|
$out = html::div('form', $content);
|
|
break;
|
|
|
|
case 'a':
|
|
// strip temporary link tags from plain-text markup
|
|
$attrib = html::parse_attrib_string($attrib);
|
|
if (!empty($attrib['class']) && strpos($attrib['class'], 'x-templink') !== false) {
|
|
// remove link entirely
|
|
if (strpos($attrib['href'], html_entity_decode($content)) !== false) {
|
|
$out = $content;
|
|
break;
|
|
}
|
|
$attrib['class'] = trim(str_replace('x-templink', '', $attrib['class']));
|
|
}
|
|
$out = html::a($attrib, $content);
|
|
break;
|
|
|
|
default:
|
|
$out = '';
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
|
|
}
|
|
|