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filters.php
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<?php
/**
* Filters
*
* Plugin that adds a new tab to the settings section to create client-side e-mail filtering.
*
* @version 2.1.6
* @author Roberto Zarrelli <[email protected]>
* @author Chris Simon <[email protected]> from version 2.1.3
*
*/
class filters extends rcube_plugin{
public $task = 'login|mail|settings';
private $rc;
private $searchstring = array();
private $destfolder = array();
private $msg_uids = array();
function init(){
$this->rc = rcmail::get_instance();
$this->load_config('config.inc.php.dist');
$this->load_config('config.inc.php');
$this->add_texts('localization/');
if($this->rc->task == 'mail')
$this->add_hook('messages_list', array($this, 'filters_checkmsg'));
else if ($this->rc->task == 'settings'){
$this->register_action('plugin.filters', array($this, 'filters_init'));
$this->register_action('plugin.filters-save', array($this, 'filters_save'));
$this->register_action('plugin.filters-delete', array($this, 'filters_delete'));
$this->add_texts('localization/', array('filters','nosearchstring'));
$this->rc->output->add_label('filters');
$this->include_script('filters.js');
}
else if ($this->rc->task == 'login'){
if ($this->rc->config->get('autoAddSpamFilterRule', true))
$this->add_hook('login_after', array($this, 'filters_addMoveSpamRule'));
}
}
function filters_checkmsg($mlist){
$user = $this->rc->user;
$imap = $this->rc->imap;
$open_mbox = $imap->get_mailbox_name();
// does not consider the messages already in the trash
if ($open_mbox == $this->rc->config->get('trash_mbox'))
return;
//load filters
$arr_prefs = $this->rc->config->get('filters', array());
foreach ($arr_prefs as $key => $saved_filter){
if ($saved_filter['destfolder'] != $open_mbox && $imap->mailbox_exists($saved_filter['destfolder'])){
// destfolder#message filter
$saved_filter['searchstring'] = html_entity_decode($saved_filter['searchstring']);
$this->searchstring[$saved_filter['whatfilter']][$saved_filter['searchstring']] = $saved_filter['destfolder']."#".$saved_filter['messages']."#".$saved_filter['casesensitive'];
}
}
// if there aren't filters return
if(!count($arr_prefs) || !count($this->searchstring) || !isset($mlist['messages']) || !is_array($mlist['messages']))
return;
// scan the messages
foreach($mlist["messages"] as $message){
$this->filters_search($message, 'from');
$this->filters_search($message, 'to');
$this->filters_search($message, 'cc');
$this->filters_search($message, 'subject');
}
// move the filtered messages
if (count($this->destfolder) > 0){
foreach ($this->destfolder as $dfolder){
$uids = array();
foreach ($this->msg_uids[$dfolder] as $muids){
$uids[] = $muids;
}
if (count($uids)){
$imap->move_message($uids, $dfolder, $open_mbox);
$this->rc->output->show_message(count($uids)." ".$this->gettext('msg_moved_by_rule'), 'confirmation');
}
}
// refresh
$this->api->output->command('list_mailbox');
$this->api->output->send();
$this->api->output->command('getunread');
$this->api->output->send();
}
}
function filters_save(){
$user = $this->rc->user;
$this->register_handler('plugin.body', array($this, 'filters_form'));
$this->rc->output->set_pagetitle($this->gettext('filters'));
$searchstring = trim(get_input_value('_searchstring', RCUBE_INPUT_POST, true));
$casesensitive = trim(get_input_value('_casesensitive', RCUBE_INPUT_POST, true));
$destfolder = trim(get_input_value('_folders', RCUBE_INPUT_POST, true));
$whatfilter = trim(get_input_value('_whatfilter', RCUBE_INPUT_POST, true));
$messages = trim(get_input_value('_messages', RCUBE_INPUT_POST, true));
if ($searchstring == "")
$this->rc->output->command('display_message', $this->gettext('nosearchstring'), 'error');
else{
$new_arr['whatfilter'] = $whatfilter;
$new_arr['searchstring'] = htmlentities($searchstring);
$new_arr['casesensitive'] = $casesensitive;
$new_arr['destfolder'] = $destfolder;
$new_arr['messages'] = $messages;
$arr_prefs = $user->get_prefs();
$arr_prefs['filters'][] = $new_arr;
if ($user->save_prefs($arr_prefs))
$this->rc->output->command('display_message', $this->gettext('successfullysaved'), 'confirmation');
else
$this->rc->output->command('display_message', $this->gettext('unsuccessfullysaved'), 'error');
}
rcmail_overwrite_action('plugin.filters');
$this->rc->output->send('plugin');
}
function filters_delete(){
$user = $this->rc->user;
$this->register_handler('plugin.body', array($this, 'filters_form'));
$this->rc->output->set_pagetitle($this->gettext('filters'));
if (isset($_GET[filterid])){
$filter_id = $_GET[filterid];
$arr_prefs = $user->get_prefs();
$arr_prefs['filters'][$filter_id] = '';
$arr_prefs['filters'] = array_diff($arr_prefs['filters'], array(''));
if ($user->save_prefs($arr_prefs))
$this->rc->output->command('display_message', $this->gettext('successfullydeleted'), 'confirmation');
else
$this->rc->output->command('display_message', $this->gettext('unsuccessfullydeleted'), 'error');
}
rcmail_overwrite_action('plugin.filters');
$this->rc->output->send('plugin');
}
function filters_init(){
$this->rc->output->set_pagetitle($this->gettext('filters'));
$this->rc->output->include_script('list.js');
// $this->rc->output->add_label('deletefolderconfirm', 'purgefolderconfirm', 'folderdeleting',
// 'foldermoving', 'foldersubscribing', 'folderunsubscribing', 'quota');
// $this->rc->output->add_handlers(array(
// 'plugin.filters' => 'filters_form',
// 'plugin.filterframe' => 'filters_form',
// ));
$this->rc->output->add_label('deleteidentityconfirm');
$this->rc->output->add_handler('identityframe', 'rcmail_identity_frame');
$this->register_handler('plugin.body', array($this, 'filters_form'));
$this->rc->output->send('plugin');
}
function filters_form(){
$this->rc->imap_connect();
$table = new html_table(array('cols' => 4));
$table->add('title', Q($this->gettext('whatfilter').":"));
$select = new html_select(array('name' => '_whatfilter', 'id' => 'whatfilter'));
$select->add($this->gettext('from'), 'from');
$select->add($this->gettext('to'), 'to');
$select->add($this->gettext('cc'), 'cc');
$select->add($this->gettext('subject'), 'subject');
$table->add('', $select->show($this->gettext('from')));
$table->add_row();
$table->add('title', Q($this->gettext('searchstring').":"));
$inputfield = new html_inputfield(array('name' => '_searchstring', 'id' => 'searchstring'));
$table->add('', $inputfield->show(""));
$table->add('title', Q($this->gettext('casesensitive').":"));
$checkbox = new html_checkbox(array('name' => '_casesensitive', 'id' => 'casesensitive', 'value' => '1'));
$casesensitive = $this->rc->config->get('caseInsensitiveSearch', true);
$table->add('', $checkbox->show(($casesensitive ? 1 : 0)));
$table->add_row();
$table->add('title', Q($this->gettext('moveto').":"));
$select = rcmail_mailbox_select(array('name' => '_folders', 'id' => 'folders'));
$table->add('title', $select->show());
$table->add_row();
# new option: all, read and unread messages
$table->add('title', Q($this->gettext('messagecount').":"));
$select = new html_select(array('name' => '_messages', 'id' => 'messages'));
$select->add($this->gettext('all'), 'all');
$select->add($this->gettext('unread'), 'unread');
$select->add($this->gettext('markread'), 'markread');
$table->add('', $select->show($this->gettext('all')));
// get mailbox list
$a_folders = $this->rc->imap->list_mailboxes('', '*');
$delimiter = $this->rc->imap->get_hierarchy_delimiter();
$a_mailboxes = array();
foreach ($a_folders as $folder)
rcmail_build_folder_tree($a_mailboxes, $folder, $delimiter);
// load saved filters
$user = $this->rc->user;
$arr_prefs = $user->get_prefs();
$i = 1;
$flag=false;
$table2 = new html_table(array('cols' => 2));
//To prevent PHP Warning when no filter already set
if(!empty($arr_prefs['filters'])) {
foreach ($arr_prefs['filters'] as $key => $saved_filter){
$flag=true;
$folder_id = $saved_filter['destfolder'];
$folder_name = "";
if (strtoupper($folder_id) == 'INBOX')
$folder_name = rcube_label('inbox');
else{
foreach ($a_mailboxes as $folder => $vet){
if ($vet['id'] == $folder_id){
$folder_name = $vet['name'];
break;
}
}
}
$messages = $saved_filter['messages'];
$msg = $i." - ".$this->gettext('msg_if_field')." <b>".$this->gettext($saved_filter['whatfilter'])."</b> ".$this->gettext('msg_contains')." <b>".$saved_filter['searchstring']."</b> ".($saved_filter['casesensitive'] == '1' ? $this->gettext('msg_and_is')." <b>".$this->gettext('casesensitive')."</b> ": "").$this->gettext('msg_move_msg_in')." <b>".$folder_name."</b> "."(".$this->gettext('messagecount').": ".$this->gettext($saved_filter['messages']).")";
$table2->add('title',$msg);
$dlink = "<a href='./?_task=settings&_action=plugin.filters-delete&filterid=".$key."'>".$this->gettext('delete')."</a>";
$table2->add('title',$dlink);
$i++;
}
}
if (!$flag){
$table2->add('title',Q($this->gettext('msg_no_stored_filters')));
}
$out = html::div(array('class' => 'box'),
html::div(array('id' => 'prefs-title', 'class' => 'boxtitle'), $this->gettext('filters')) .
html::div(array('class' => 'boxcontent'), $table->show() .
html::p(null,
$this->rc->output->button(array(
'command' => 'plugin.filters-save',
'type' => 'input',
'class' => 'button mainaction',
'label' => 'save'
)))));
$out .= html::div(array('id' => 'prefs-title', 'class' => 'boxtitle'), $this->gettext('storedfilters')). html::div(array('class' => 'uibox listbox scroller','style'=>'margin-top:205px;'),
html::div(array('class' => 'boxcontent'), $table2->show() ));
$this->rc->output->add_gui_object('filtersform', 'filters-form');
return $this->rc->output->form_tag(array(
'id' => 'filters-form',
'name' => 'filters-form',
'method' => 'post',
'action' => './?_task=settings&_action=plugin.filters-save',
), $out);
}
function filters_search($message, $whatfilter){
// check if a message has been read
if (isset($message->flags['SEEN']) && $message->flags['SEEN'])
$msg_read = 1;
else
$msg_read = 0;
if (isset($this->searchstring[$whatfilter])){
foreach ($this->searchstring[$whatfilter] as $from => $dest){
$arr = explode("#",$dest);
$destination = $arr[0];
$msg_filter = $arr[1];
$caseSensitive = $arr[2];
if ($msg_filter != "all"){
if ($msg_read && $msg_filter != "markread") continue;
if (!$msg_read && $msg_filter != "unread") continue;
}
switch ($whatfilter){
case 'from':
$field = $message->from;
break;
case 'to':
$field = $message->to;
break;
case 'cc':
$field = $message->cc;
break;
case 'subject':
$field = $message->subject;
break;
default:
$field = "";
}
if ($this->filters_searchString($field, $from, $caseSensitive) !== FALSE){
$this->msg_uids[$destination][] = $message->uid;
if (!in_array($destination, $this->destfolder))
$this->destfolder[] = $destination;
}
}
}
}
function filters_searchString($msg,$stringToSearch,$caseSensitive){
$ret = FALSE;
$ciSearch = $caseSensitive == '1' ? true : false;
$ciSearch = !$ciSearch;
if ($ciSearch){
$tmp = stripos($msg, $stringToSearch);
}
else{
$tmp = strpos($msg, $stringToSearch);
}
if ($tmp !== FALSE){
$ret = TRUE;
}
else{
if ($this->rc->config->get('decodeBase64Msg', true) === TRUE){
// decode and search BASE64 msg
$decoded_str = base64_decode($msg);
if ($decoded_str !== FALSE){
if ($ciSearch){
$tmp = stripos($decoded_str, $stringToSearch);
}
else{
$tmp = strpos($decoded_str, $stringToSearch);
}
if ($tmp !== FALSE){
$ret = TRUE;
}
}
}
}
return $ret;
}
function filters_addMoveSpamRule(){
$user = $this->rc->user;
$searchstring = $this->rc->config->get('spam_subject', '***SPAM***');
$destfolder = $this->rc->config->get('junk_mbox', null);
$casesensitive = !$this->rc->config->get('caseInsensitiveSearch', true);
$whatfilter = "subject";
$messages = "all";
//load filters
$arr_prefs = $this->rc->config->get('filters', array());
// check if the rule is already enabled
$found = false;
foreach ($arr_prefs as $key => $saved_filter){
if ($saved_filter['searchstring'] == $searchstring && $saved_filter['destfolder'] == $destfolder && $saved_filter['whatfilter'] == $whatfilter && $saved_filter['messages'] == $messages){
$found = true;
}
}
if (!$found && $destfolder !== null && $destfolder !== ""){
$new_arr['whatfilter'] = $whatfilter;
$new_arr['searchstring'] = $searchstring;
$new_arr['casesensitive'] = $casesensitive ? '1' : '0';
$new_arr['destfolder'] = $destfolder;
$new_arr['messages'] = $messages;
$arr_prefs = $user->get_prefs();
$arr_prefs['filters'][] = $new_arr;
$user->save_prefs($arr_prefs);
}
}
}