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<?php
/**
* The Ingo_Script_imap:: class represents an IMAP client-side
* script generator.
*
* $Horde: ingo/lib/Script/imap.php,v 1.49.10.1 2005/01/03 12:25:38 jan Exp $
*
* Copyright 2003-2005 Michael Slusarz <slusarz@bigworm.curecanti.org>
*
* See the enclosed file LICENSE for license information. If you
* did not receive this file, see http://www.horde.org/licenses.
*
* @author Michael Slusarz <slusarz@bigworm.curecanti.org>
* @version $Revision: 1.49.10.1 $
* @since Ingo 1.0
* @package Ingo
*/
class Ingo_Script_imap extends Ingo_Script {
/**
* The list of actions allowed (implemented) for this driver.
*
* @var array $_actions
*/
var $_actions = array(
INGO_STORAGE_ACTION_KEEP,
INGO_STORAGE_ACTION_MOVE,
INGO_STORAGE_ACTION_DISCARD,
INGO_STORAGE_ACTION_MOVEKEEP
);
/**
* The categories of filtering allowed.
*
* @var array $_categories
*/
var $_categories = array(
INGO_STORAGE_ACTION_BLACKLIST,
INGO_STORAGE_ACTION_WHITELIST
);
/**
* The list of tests allowed (implemented) for this driver.
*
* @var array $_tests
*/
var $_tests = array(
'contains', 'not contain'
);
/**
* The types of tests allowed (implemented) for this driver.
*
* @var array $_types
*/
var $_types = array(
INGO_STORAGE_TYPE_HEADER,
INGO_STORAGE_TYPE_SIZE,
INGO_STORAGE_TYPE_BODY
);
/**
* Does the driver support setting IMAP flags?
*
* @var boolean $_supportIMAPFlags
*/
var $_supportIMAPFlags = true;
/**
* Does the driver support the stop-script option?
*
* @var boolean $_supportStopScript
*/
var $_supportStopScript = true;
/**
* This driver can perform on demand filtering (in fact, that is all
* it can do).
*
* @var boolean $_ondemand
*/
var $_ondemand = true;
/**
* Perform the filtering specified in the rules.
*
* @access public
*
* @param array $params The parameter array. It MUST contain:
* <pre>
* 'imap' -- An open IMAP stream.
* 'mailbox' -- The name of the mailbox to filter.
* </pre>
*
* @return boolean True if filtering performed, false if not.
*/
function perform($params)
{
global $ingo_storage, $notification, $prefs;
$whitelist_ids = array();
/* Get the IMAP_Cache object. */
require_once 'Horde/IMAP/Cache.php';
$imap_cache = &IMAP_Cache::singleton();
/* Only do filtering if:
1. We have not done filtering before -or-
2. The mailbox has changed -or-
3. The rules have changed. */
$cache = $imap_cache->getCache($params['imap'], $params['mailbox'], 'ingochange');
if (($cache !== false) && ($cache == $_SESSION['ingo']['change'])) {
return true;
}
/* Are we using a POP mailbox? */
$ob = @imap_check($params['imap']);
$pop3 = (stristr($ob->Driver, 'pop3') !== false);
require_once 'Horde/IMAP/Search.php';
require_once 'Horde/MIME.php';
$imap_search = &IMAP_Search::singleton(array('pop3' => $pop3));
/* Grab the rules list. */
$filters = $ingo_storage->retrieve(INGO_STORAGE_ACTION_FILTERS);
/* Should we filter only [un]seen messages? */
$seen_flag = $prefs->getValue('filter_seen');
/* Should we use detailed notification messages? */
$detailmsg = $prefs->getValue('show_filter_msg');
/* Parse through the rules, one-by-one. */
foreach ($filters->getFilterlist() as $rule) {
/* Check to make sure this is a valid rule and that the rule is
not disabled. */
if (!$this->_validRule($rule['action']) ||
!empty($rule['disable'])) {
continue;
}
$search_array = array();
$stop_flag = false;
switch ($rule['action']) {
case INGO_STORAGE_ACTION_BLACKLIST:
case INGO_STORAGE_ACTION_WHITELIST:
$bl_folder = null;
if ($rule['action'] == INGO_STORAGE_ACTION_BLACKLIST) {
$blacklist = $ingo_storage->retrieve(INGO_STORAGE_ACTION_BLACKLIST);
$addr = $blacklist->getBlacklist();
$bl_folder = $blacklist->getBlacklistFolder();
} else {
$whitelist = $ingo_storage->retrieve(INGO_STORAGE_ACTION_WHITELIST);
$addr = $whitelist->getWhitelist();
}
/* If list is empty, move on. */
if (empty($addr)) {
continue;
}
$query = &new IMAP_Search_Query();
foreach ($addr as $val) {
$ob = &new IMAP_Search_Query();
$ob->deleted(false);
if ($seen_flag == INGO_SCRIPT_FILTER_UNSEEN) {
$ob->seen(false);
} elseif ($seen_flag == INGO_SCRIPT_FILTER_SEEN) {
$ob->seen(true);
}
$ob->header('from', $val);
$search_array[] = &$ob;
}
$query->imapOr($search_array);
$indices = $imap_search->searchMailbox($query, $params['imap'], $params['mailbox']);
if ($rule['action'] == INGO_STORAGE_ACTION_BLACKLIST) {
$indices = array_diff($indices, $whitelist_ids);
if (!empty($indices)) {
$sequence = implode(',', $indices);
if (!empty($bl_folder)) {
@imap_mail_move($params['imap'], $sequence, $bl_folder, CP_UID);
} else {
@imap_delete($params['imap'], $sequence, FT_UID);
}
@imap_expunge($params['imap']);
$notification->push(sprintf(_("Filter activity: %s message(s) that matched the blacklist were deleted."), count($indices)), 'horde.message');
}
} else {
$whitelist_ids = $indices;
}
break;
case INGO_STORAGE_ACTION_KEEP:
case INGO_STORAGE_ACTION_MOVE:
case INGO_STORAGE_ACTION_DISCARD:
$query = &new IMAP_Search_Query();
foreach ($rule['conditions'] as $val) {
$ob = &new IMAP_Search_Query();
$ob->deleted(false);
if ($seen_flag == INGO_SCRIPT_FILTER_UNSEEN) {
$ob->seen(false);
} elseif ($seen_flag == INGO_SCRIPT_FILTER_SEEN) {
$ob->seen(true);
}
if (!empty($val['type']) &&
($val['type'] == INGO_STORAGE_TYPE_SIZE)) {
if ($val['match'] == 'greater than') {
$operator = '>';
} elseif ($val['match'] == 'less than') {
$operator = '<';
}
$ob->size($val['value'], $operator);
} elseif (!empty($val['type']) &&
($val['type'] == INGO_STORAGE_TYPE_BODY)) {
if ($val['match'] == 'contains') {
$ob->body($val['value'], false);
} elseif ($val['match'] == 'not contain') {
$ob->body($val['value'], true);
}
} else {
if ($val['match'] == 'contains') {
$ob->header($val['field'], $val['value'], false);
} elseif ($val['match'] == 'not contain') {
$ob->header($val['field'], $val['value'], true);
}
}
$search_array[] = &$ob;
}
if ($rule['combine'] == INGO_STORAGE_COMBINE_ALL) {
$query->imapAnd($search_array);
} else {
$query->imapOr($search_array);
}
$indices = $imap_search->searchMailbox($query, $params['imap'], $params['mailbox']);
if (($indices = array_diff($indices, $whitelist_ids))) {
$sequence = implode(',', $indices);
$stop_flag = true;
/* Set the flags. */
if (!empty($rule['flags']) &&
($rule['action'] != INGO_STORAGE_ACTION_DISCARD)) {
$flags = array();
if ($rule['flags'] & INGO_STORAGE_FLAG_ANSWERED) {
$flags[] = '\\Answered';
}
if ($rule['flags'] & INGO_STORAGE_FLAG_DELETED) {
$flags[] = '\\Deleted';
}
if ($rule['flags'] & INGO_STORAGE_FLAG_FLAGGED) {
$flags[] = '\\Flagged';
}
if ($rule['flags'] & INGO_STORAGE_FLAG_SEEN) {
$flags[] = '\\Seen';
}
@imap_setflag_full($params['imap'], $sequence, implode(' ', $flags), ST_UID);
}
if ($rule['action'] == INGO_STORAGE_ACTION_KEEP) {
/* Add these indices to the current whitelist. */
$whitelist_ids = array_unique($indices + $whitelist_ids);
} elseif ($rule['action'] == INGO_STORAGE_ACTION_MOVE) {
/* We need to grab the overview first. */
if ($detailmsg) {
$overview = @imap_fetch_overview($params['imap'], $sequence, FT_UID);
}
/* Move the messages to the requested mailbox. */
@imap_mail_move($params['imap'], $sequence, $rule['action-value'], CP_UID);
@imap_expunge($params['imap']);
/* Display notification message(s). */
if ($detailmsg) {
foreach ($overview as $msg) {
$notification->push(sprintf(_("Filter activity: The message \"%s\" from \"%s\" has been moved to the folder \"%s\"."),
isset($msg->subject) ? MIME::decode($msg->subject, NLS::getCharset()) : _("[No Subject]"),
MIME::decode($msg->from, NLS::getCharset()),
$rule['action-value']), 'horde.message');
}
} else {
$notification->push(sprintf(_("Filter activity: %s message(s) have been moved to the folder \"%s\"."),
count($indices),
$rule['action-value']), 'horde.message');
}
} elseif ($rule['action'] == INGO_STORAGE_ACTION_DISCARD) {
/* We need to grab the overview first. */
if ($detailmsg) {
$overview = @imap_fetch_overview($params['imap'], $sequence, FT_UID);
}
/* Delete the messages now. */
@imap_delete($params['imap'], $sequence, FT_UID);
@imap_expunge($params['imap']);
/* Display notification message(s). */
if ($detailmsg) {
foreach ($overview as $msg) {
$notification->push(sprintf(_("Filter activity: The message \"%s\" from \"%s\" has been deleted."),
isset($msg->subject) ? MIME::decode($msg->subject, NLS::getCharset()) : _("[No Subject]"),
MIME::decode($msg->from, NLS::getCharset())), 'horde.message');
}
} else {
$notification->push(sprintf(_("Filter activity: %s message(s) have been deleted."), count($indices)), 'horde.message');
}
} elseif ($rule['action'] == INGO_STORAGE_ACTION_MOVEKEEP) {
/* Copy the messages to the requested mailbox. */
@imap_mail_copy($params['imap'], $sequence, $rule['action-value'], CP_UID);
/* Display notification message(s). */
if ($detailmsg) {
$overview = @imap_fetch_overview($params['imap'], $sequence, FT_UID);
foreach ($overview as $msg) {
$notification->push(sprintf(_("Filter activity: The message \"%s\" from \"%s\" has been copied to the folder \"%s\"."), isset($msg->subject) ? MIME::decode($msg->subject, NLS::getCharset()) : _("[No Subject]"), MIME::decode($msg->from, NLS::getCharset()), $rule['action-value']), 'horde.message');
}
} else {
$notification->push(sprintf(_("Filter activity: %s message(s) have been copied to the folder \"%s\"."), count($indices), $rule['action-value']), 'horde.message');
}
}
}
break;
}
/* Handle stop flag. */
if ($stop_flag && $rule['stop']) {
break;
}
}
/* Set cache flag. */
$imap_cache->storeCache($params['imap'], $params['mailbox'], array('ingochange' => $_SESSION['ingo']['change']));
return true;
}
/**
* Is the apply() function available?
* The 'mail/getStream' API function must be available.
*
* @access public
*
* @return boolean True if apply() is available, false if not.
*/
function canApply()
{
global $registry;
return ($this->performAvailable() && $registry->hasMethod('mail/getStream'));
}
/**
* Apply the filters now.
*
* @access public
*
* @return boolean See perform().
*/
function apply()
{
global $registry;
if ($this->canApply()) {
$res = $registry->call('mail/getStream', array('INBOX'));
if ($res !== false) {
$ob = @imap_check($res);
return $this->perform(array('imap' => $res, 'mailbox' => $ob->Mailbox));
}
}
return false;
}
}
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