/**
* Query the validity of a charset.
*
* @param string $charset The charset to query.
* @param boolean $cached If true, only query cached values.
*
* @return boolean True if the charset is valid for searching.
*/
public function query($charset, $cached = false)
{
$charset = Horde_String::upper($charset);
if (isset($this->_charsets[$charset])) {
return $this->_charsets[$charset];
} elseif ($cached) {
return null;
}
if (!$this->_baseob) {
throw new RuntimeException('Base object needs to be defined to query for charset.');
}
/* Use a dummy search query and search for BADCHARSET response. */
$query = new Horde_Imap_Client_Search_Query();
$query->charset($charset, false);
$query->ids($this->_baseob->getIdsOb(1, true));
$query->text('a');
try {
$this->_baseob->search('INBOX', $query, array('nocache' => true, 'sequence' => true));
$this->_charsets[$charset] = true;
} catch (Horde_Imap_Client_Exception $e) {
$this->_charsets[$charset] = $e->getCode() !== Horde_Imap_Client_Exception::BADCHARSET;
}
$this->notify();
return $this->_charsets[$charset];
}
/**
* Delete messages in the cache.
*
* @param string $mailbox An IMAP mailbox string.
* @param array $uids The list of message UIDs to delete.
*/
public function deleteMsgs($mailbox, $uids)
{
if (empty($uids)) {
return;
}
$mailbox = strval($mailbox);
$this->_loadSliceMap($mailbox);
$slicemap =& $this->_slicemap[$mailbox];
$update = array_intersect_key($slicemap['s'], array_flip(is_array($uids) ? $uids : iterator_to_array($uids)));
if (!empty($update)) {
$this->_loadUids($mailbox, array_keys($update));
$d =& $this->_data[$mailbox];
foreach (array_keys($update) as $id) {
unset($d[$id], $slicemap['s'][$id]);
}
foreach (array_unique($update) as $slice) {
/* Get rid of slice if less than 10% of capacity. */
if ($slice != $slicemap['i'] && ($slice_uids = array_keys($slicemap['s'], $slice)) && $this->_params['slicesize'] * 0.1 > count($slice_uids)) {
$this->_toUpdate($mailbox, 'add', $slice_uids);
$this->_cache->expire($this->_getCid($mailbox, $slice));
foreach ($slice_uids as $val) {
unset($slicemap['s'][$val]);
}
} else {
$this->_toUpdate($mailbox, 'slice', array($slice));
}
}
if ($this->_params['debug']) {
$this->_base->writeDebug('CACHE: Deleted messages (mailbox: ' . $mailbox . '; UIDs: ' . $this->_base->getIdsOb(array_keys($update))->tostring_sort . ")\n", Horde_Imap_Client::DEBUG_INFO);
}
}
}
/**
* Delete messages in the cache.
*
* @param string $mailbox An IMAP mailbox string.
* @param array $uids The list of message UIDs to delete.
*/
public function deleteMsgs($mailbox, $uids)
{
if (empty($uids)) {
return;
}
$mailbox = strval($mailbox);
$this->_backend->deleteMsgs($mailbox, $uids);
if ($this->_debug) {
$this->_debug->info(sprintf('CACHE: Deleted messages [%s; %s]', $mailbox, $this->_baseob->getIdsOb($uids)->tostring_sort));
}
}
/**
* Constructor.
*
* @param Horde_Imap_Client_Base $base_ob Base driver object.
* @param mixed $mailbox Mailbox to sync.
* @param array $sync Token sync data.
* @param array $curr Current sync data.
* @param integer $criteria Mask of criteria to return.
* @param Horde_Imap_Client_Ids $ids List of known UIDs.
*
* @throws Horde_Imap_Client_Exception
* @throws Horde_Imap_Client_Exception_Sync
*/
public function __construct(Horde_Imap_Client_Base $base_ob, $mailbox, $sync, $curr, $criteria, $ids)
{
foreach (self::$map as $key => $val) {
if (isset($sync[$key])) {
$this->{$val} = $sync[$key];
}
}
/* Check uidvalidity. */
if (!$this->uidvalidity || $curr['V'] != $this->uidvalidity) {
throw new Horde_Imap_Client_Exception_Sync('UIDs in cached mailbox have changed.', Horde_Imap_Client_Exception_Sync::UIDVALIDITY_CHANGED);
}
$this->mailbox = $mailbox;
/* This was a UIDVALIDITY check only. */
if (!$criteria) {
return;
}
$sync_all = $criteria & Horde_Imap_Client::SYNC_ALL;
/* New messages. */
if ($sync_all || $criteria & Horde_Imap_Client::SYNC_NEWMSGS || $criteria & Horde_Imap_Client::SYNC_NEWMSGSUIDS) {
$this->newmsgs = empty($this->uidnext) ? !empty($curr['U']) : !empty($curr['U']) && $curr['U'] > $this->uidnext;
if ($this->newmsgs && ($sync_all || $criteria & Horde_Imap_Client::SYNC_NEWMSGSUIDS)) {
$new_ids = empty($this->uidnext) ? Horde_Imap_Client_Ids::ALL : $this->uidnext . ':' . $curr['U'];
$squery = new Horde_Imap_Client_Search_Query();
$squery->ids(new Horde_Imap_Client_Ids($new_ids));
$sres = $base_ob->search($mailbox, $squery);
$this->_newmsgsuids = $sres['match'];
}
}
/* Do single status call to get all necessary data. */
if ($this->highestmodseq && ($sync_all || $criteria & Horde_Imap_Client::SYNC_FLAGS || $criteria & Horde_Imap_Client::SYNC_FLAGSUIDS || $criteria & Horde_Imap_Client::SYNC_VANISHED || $criteria & Horde_Imap_Client::SYNC_VANISHEDUIDS)) {
$status_sync = $base_ob->status($mailbox, Horde_Imap_Client::STATUS_SYNCMODSEQ | Horde_Imap_Client::STATUS_SYNCFLAGUIDS | Horde_Imap_Client::STATUS_SYNCVANISHED);
if (!is_null($ids)) {
$ids = $base_ob->resolveIds($mailbox, $ids);
}
}
/* Flag changes. */
if ($sync_all || $criteria & Horde_Imap_Client::SYNC_FLAGS) {
$this->flags = $this->highestmodseq ? $this->highestmodseq != $curr['H'] : true;
}
if ($sync_all || $criteria & Horde_Imap_Client::SYNC_FLAGSUIDS) {
if ($this->highestmodseq) {
if ($this->highestmodseq == $status_sync['syncmodseq']) {
$this->_flagsuids = is_null($ids) ? $status_sync['syncflaguids'] : $base_ob->getIdsOb(array_intersect($ids->ids, $status_sync['syncflaguids']->ids));
} else {
$squery = new Horde_Imap_Client_Search_Query();
$squery->modseq($this->highestmodseq + 1);
$sres = $base_ob->search($mailbox, $squery, array('ids' => $ids));
$this->_flagsuids = $sres['match'];
}
} else {
/* Without MODSEQ, need to mark all FLAGS as changed. */
$this->_flagsuids = $base_ob->resolveIds($mailbox, is_null($ids) ? $base_ob->getIdsOb(Horde_Imap_Client_Ids::ALL) : $ids);
}
}
/* Vanished messages. */
if ($sync_all || $criteria & Horde_Imap_Client::SYNC_VANISHED || $criteria & Horde_Imap_Client::SYNC_VANISHEDUIDS) {
if ($this->highestmodseq && $this->highestmodseq == $status_sync['syncmodseq']) {
$vanished = is_null($ids) ? $status_sync['syncvanished'] : $base_ob->getIdsOb(array_intersect($ids->ids, $status_sync['syncvanished']->ids));
} else {
$vanished = $base_ob->vanished($mailbox, $this->highestmodseq ? $this->highestmodseq : 1, array('ids' => $ids));
}
$this->vanished = (bool) count($vanished);
$this->_vanisheduids = $vanished;
}
}
