Search for messages modified since a specific moment. The IMAP server
must support the CONDSTORE extension (RFC 7162) for this query to be
used.
| public modseq ( integer $value, string $name = null, string $type = null, boolean $not = false, array $opts = [] ) | ||
| $value | integer | The mod-sequence value. |
| $name | string | The entry-name string. |
| $type | string | Either 'shared', 'priv', or 'all'. Defaults to 'all' |
| $not | boolean | If true, do a 'NOT' search. |
| $opts | array | Additional options: - fuzzy: (boolean) If true, perform a fuzzy search. The IMAP server MUST support RFC 6203. |
/**
* @dataProvider modseqSearchQueryProvider
*/
public function testModseq($name, $type, $not, $fuzzy, $expected)
{
$ob = new Horde_Imap_Client_Search_Query();
$ob->modseq(123, $name, $type, $not, array('fuzzy' => $fuzzy));
$this->assertEquals($expected, $fuzzy ? $this->_fuzzy($ob, array('CONDSTORE')) : strval($ob));
}
/**
* Return message changes from the specified mailbox.
*
* @param Horde_ActiveSync_Folder_Imap $folder The folder object.
* @param array $options Additional options:
* - sincedate: (integer) Timestamp of earliest message to retrieve.
* DEFAULT: 0 (Don't filter).
* - protocolversion: (float) EAS protocol version to support.
* DEFAULT: none REQUIRED
* - softdelete: (boolean) If true, calculate SOFTDELETE data.
* @since 2.8.0
* - refreshfilter: (boolean) If true, force refresh the query to reflect
* changes in FILTERTYPE (using the sincedate)
* @since 2.28.0
*
* @return Horde_ActiveSync_Folder_Imap The folder object, containing any
* change instructions for the device.
*
* @throws Horde_ActiveSync_Exception_FolderGone,
* Horde_ActiveSync_Exception, Horde_ActiveSync_Exception_StaleState
*/
public function getMessageChanges(Horde_ActiveSync_Folder_Imap $folder, array $options = array())
{
$imap = $this->_getImapOb();
$mbox = new Horde_Imap_Client_Mailbox($folder->serverid());
$flags = array();
$search_uids = array();
// Note: non-CONDSTORE servers will return a highestmodseq of 0
$status_flags = Horde_Imap_Client::STATUS_HIGHESTMODSEQ | Horde_Imap_Client::STATUS_UIDVALIDITY | Horde_Imap_Client::STATUS_UIDNEXT_FORCE | Horde_Imap_Client::STATUS_MESSAGES | Horde_Imap_Client::STATUS_FORCE_REFRESH;
try {
$status = $imap->status($mbox, $status_flags);
} catch (Horde_Imap_Client_Exception $e) {
// If we can't status the mailbox, assume it's gone.
throw new Horde_ActiveSync_Exception_FolderGone($e);
}
$this->_logger->info(sprintf('[%s] IMAP status: %s', $this->_procid, serialize($status)));
$current_modseq = $status[Horde_ActiveSync_Folder_Imap::HIGHESTMODSEQ];
if ($current_modseq && $folder->modseq() > 0 && ($folder->modseq() < $current_modseq || !empty($options['softdelete']) || !empty($options['refreshfilter']))) {
$this->_logger->info(sprintf('[%s] CONDSTORE and CHANGES', $this->_procid));
$folder->checkValidity($status);
// Catch all *changes* since the provided MODSEQ value.
$query = new Horde_Imap_Client_Search_Query();
// $imap->search uses a >= comparison for MODSEQ, so we must
// increment by one so we don't continuously receive the same change
// set.
$query->modseq($folder->modseq() + 1);
if (!empty($options['sincedate'])) {
$query->dateSearch(new Horde_Date($options['sincedate']), Horde_Imap_Client_Search_Query::DATE_SINCE);
}
$search_ret = $imap->search($mbox, $query, array('results' => array(Horde_Imap_Client::SEARCH_RESULTS_MATCH)));
$search_uids = $search_ret['count'] ? $search_ret['match']->ids : array();
// Catch changes to FILTERTYPE.
if (!empty($options['refreshfilter'])) {
$this->_logger->info(sprintf('[%s] Checking for additional messages within the new FilterType parameters.', $this->_procid));
$search_ret = $this->_buildSearchQuery($folder, $options, $mbox, false);
if ($search_ret['count']) {
$this->_logger->info(sprintf('[%s] Found %d messages that are now outside FilterType.', $this->_procid, $search_ret['count']));
$search_uids = array_merge($search_uids, $search_ret['match']->ids);
} else {
$this->_logger->info(sprintf('[%s] Found NO additional messages.', $this->_procid));
}
}
// Protect against very large change sets like might occur if
// the FILTERTYPE is changed from some short interval like one week
// to no filter at all.
$cnt = count($search_uids) / self::MAX_FETCH + 1;
$query = new Horde_Imap_Client_Fetch_Query();
$query->modseq();
$query->flags();
$changes = array();
$categories = array();
for ($i = 0; $i <= $cnt; $i++) {
$ids = new Horde_Imap_Client_Ids(array_slice($search_uids, $i * self::MAX_FETCH, self::MAX_FETCH));
try {
$fetch_ret = $imap->fetch($mbox, $query, array('ids' => $ids));
} catch (Horde_Imap_Client_Exception $e) {
$this->_logger->err($e->getMessage());
throw new Horde_ActiveSync_Exception($e);
}
$this->_buildModSeqChanges($changes, $flags, $categories, $fetch_ret, $options, $current_modseq);
}
// Set the changes in the folder object.
$folder->setChanges($changes, $flags, $categories, !empty($options['softdelete']) || !empty($options['refreshfilter']));
// Check for deleted messages.
try {
$deleted = $imap->vanished($mbox, $folder->modseq(), array('ids' => new Horde_Imap_Client_Ids($folder->messages())));
} catch (Horde_Imap_Client_Excetion $e) {
$this->_logger->err($e->getMessage());
throw new Horde_ActiveSync_Exception($e);
}
$folder->setRemoved($deleted->ids);
$this->_logger->info(sprintf('[%s] Found %d deleted messages.', $this->_procid, $deleted->count()));
// Check for SOFTDELETE messages.
if ((!empty($options['softdelete']) || !empty($options['refreshfilter'])) && !empty($options['sincedate'])) {
$this->_logger->info(sprintf('[%s] Polling for SOFTDELETE in %s before %d', $this->_procid, $folder->serverid(), $options['sincedate']));
$search_ret = $this->_buildSearchQuery($folder, $options, $mbox, true);
if ($search_ret['count']) {
$this->_logger->info(sprintf('[%s] Found %d messages to SOFTDELETE.', $this->_procid, count($search_ret['match']->ids)));
$folder->setSoftDeleted($search_ret['match']->ids);
} else {
$this->_logger->info(sprintf('[%s] Found NO messages to SOFTDELETE.', $this->_procid));
}
$folder->setSoftDeleteTimes($options['sincedate'], time());
}
} elseif ($folder->uidnext() == 0) {
$this->_logger->info(sprintf('[%s] INITIAL SYNC', $this->_procid));
$query = new Horde_Imap_Client_Search_Query();
if (!empty($options['sincedate'])) {
$query->dateSearch(new Horde_Date($options['sincedate']), Horde_Imap_Client_Search_Query::DATE_SINCE);
}
$search_ret = $imap->search($mbox, $query, array('results' => array(Horde_Imap_Client::SEARCH_RESULTS_MATCH)));
if ($current_modseq && !$folder->haveInitialSync) {
$this->_logger->info(sprintf('[%s] Priming IMAP folder object.', $this->_procid));
$folder->primeFolder($search_ret['match']->ids);
} elseif (count($search_ret['match']->ids)) {
// No modseq.
$query = new Horde_Imap_Client_Fetch_Query();
$query->flags();
$cnt = $search_ret['count'] / self::MAX_FETCH + 1;
for ($i = 0; $i <= $cnt; $i++) {
$ids = new Horde_Imap_Client_Ids(array_slice($search_ret['match']->ids, $i * self::MAX_FETCH, self::MAX_FETCH));
$fetch_ret = $imap->fetch($mbox, $query, array('ids' => $ids));
foreach ($fetch_ret as $uid => $data) {
$flags[$uid] = array('read' => array_search(Horde_Imap_Client::FLAG_SEEN, $data->getFlags()) !== false ? 1 : 0);
if ($options['protocolversion'] > Horde_ActiveSync::VERSION_TWOFIVE) {
$flags[$uid]['flagged'] = array_search(Horde_Imap_Client::FLAG_FLAGGED, $data->getFlags()) !== false ? 1 : 0;
}
}
}
$folder->setChanges($search_ret['match']->ids, $flags);
}
} elseif ($current_modseq == 0) {
$this->_logger->info(sprintf('[%s] NO CONDSTORE or per mailbox MODSEQ. minuid: %s, total_messages: %s', $this->_procid, $folder->minuid(), $status['messages']));
$folder->checkValidity($status);
$query = new Horde_Imap_Client_Search_Query();
if (!empty($options['sincedate'])) {
$query->dateSearch(new Horde_Date($options['sincedate']), Horde_Imap_Client_Search_Query::DATE_SINCE);
}
try {
$search_ret = $imap->search($mbox, $query, array('results' => array(Horde_Imap_Client::SEARCH_RESULTS_MATCH)));
} catch (Horde_Imap_Client_Exception $e) {
$this->_logger->err($e->getMessage());
throw new Horde_ActiveSync_Exception($e);
}
$cnt = $search_ret['count'] / self::MAX_FETCH + 1;
$query = new Horde_Imap_Client_Fetch_Query();
$query->flags();
for ($i = 0; $i <= $cnt; $i++) {
$ids = new Horde_Imap_Client_Ids(array_slice($search_ret['match']->ids, $i * self::MAX_FETCH, self::MAX_FETCH));
try {
$fetch_ret = $imap->fetch($mbox, $query, array('ids' => $ids));
} catch (Horde_Imap_Client_Exception $e) {
$this->_logger->err($e->getMessage());
throw new Horde_ActiveSync_Exception($e);
}
foreach ($fetch_ret as $uid => $data) {
$flags[$uid] = array('read' => array_search(Horde_Imap_Client::FLAG_SEEN, $data->getFlags()) !== false ? 1 : 0);
if ($options['protocolversion'] > Horde_ActiveSync::VERSION_TWOFIVE) {
$flags[$uid]['flagged'] = array_search(Horde_Imap_Client::FLAG_FLAGGED, $data->getFlags()) !== false ? 1 : 0;
}
}
}
if (!empty($flags)) {
$folder->setChanges($search_ret['match']->ids, $flags);
}
$folder->setRemoved($imap->vanished($mbox, null, array('ids' => new Horde_Imap_Client_Ids($folder->messages())))->ids);
} elseif ($current_modseq > 0 && $folder->modseq() == 0) {
throw new Horde_ActiveSync_Exception_StaleState('Transition to MODSEQ enabled server');
}
$folder->setStatus($status);
return $folder;
}
/**
* 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 = $vanished;
}
}
/**
* Wrapper for fetch() to allow internal state to be reset on exception.
*
* @internal
* @see fetch()
*/
private function _fetchWrapper($mailbox, $query, $options)
{
$this->login();
$query = clone $query;
$cache_array = $header_cache = $new_query = array();
if (empty($options['ids'])) {
$options['ids'] = $this->getIdsOb(Horde_Imap_Client_Ids::ALL);
} elseif ($options['ids']->isEmpty()) {
return new Horde_Imap_Client_Fetch_Results($this->_fetchDataClass);
} elseif ($options['ids']->search_res && !$this->_capability('SEARCHRES')) {
/* SEARCHRES requires server support. */
throw new Horde_Imap_Client_Exception_NoSupportExtension('SEARCHRES');
}
$this->openMailbox($mailbox, Horde_Imap_Client::OPEN_AUTO);
$mbox_ob = $this->_mailboxOb();
if (!empty($options['nocache'])) {
$this->_temp['fetch_nocache'] = true;
}
$cf = $this->_initCache(true) ? $this->_cacheFields() : array();
if (!empty($cf)) {
/* If using cache, we store by UID so we need to return UIDs. */
$query->uid();
}
$modseq_check = !empty($options['changedsince']);
if ($query->contains(Horde_Imap_Client::FETCH_MODSEQ)) {
if (!$this->_capability()->isEnabled('CONDSTORE')) {
unset($query[Horde_Imap_Client::FETCH_MODSEQ]);
} elseif (empty($options['changedsince'])) {
$modseq_check = true;
}
}
if ($modseq_check && !$mbox_ob->getStatus(Horde_Imap_Client::STATUS_HIGHESTMODSEQ)) {
/* RFC 7162 [3.1.2.2] - trying to do a MODSEQ FETCH on a mailbox
* that doesn't support it will return BAD. */
throw new Horde_Imap_Client_Exception(Horde_Imap_Client_Translation::r("Mailbox does not support mod-sequences."), Horde_Imap_Client_Exception::MBOXNOMODSEQ);
}
/* Determine if caching is available and if anything in $query is
* cacheable. */
foreach ($cf as $k => $v) {
if (isset($query[$k])) {
switch ($k) {
case Horde_Imap_Client::FETCH_ENVELOPE:
case Horde_Imap_Client::FETCH_FLAGS:
case Horde_Imap_Client::FETCH_IMAPDATE:
case Horde_Imap_Client::FETCH_SIZE:
case Horde_Imap_Client::FETCH_STRUCTURE:
$cache_array[$k] = $v;
break;
case Horde_Imap_Client::FETCH_HEADERS:
$this->_temp['headers_caching'] = array();
foreach ($query[$k] as $key => $val) {
/* Only cache if directly requested. Iterate through
* requests to ensure at least one can be cached. */
if (!empty($val['cache']) && !empty($val['peek'])) {
$cache_array[$k] = $v;
ksort($val);
$header_cache[$key] = hash('md5', serialize($val));
}
}
break;
}
}
}
$ret = new Horde_Imap_Client_Fetch_Results($this->_fetchDataClass, $options['ids']->sequence ? Horde_Imap_Client_Fetch_Results::SEQUENCE : Horde_Imap_Client_Fetch_Results::UID);
/* If nothing is cacheable, we can do a straight search. */
if (empty($cache_array)) {
$options['_query'] = $query;
$this->_fetch($ret, array($options));
return $ret;
}
$cs_ret = empty($options['changedsince']) ? null : clone $ret;
/* Convert special searches to UID lists and create mapping. */
$ids = $this->resolveIds($this->_selected, $options['ids'], empty($options['exists']) ? 1 : 2);
/* Add non-user settable cache fields. */
$cache_array[Horde_Imap_Client::FETCH_DOWNGRADED] = self::CACHE_DOWNGRADED;
/* Get the cached values. */
$data = $this->_cache->get($this->_selected, $ids->ids, array_values($cache_array), $mbox_ob->getStatus(Horde_Imap_Client::STATUS_UIDVALIDITY));
/* Build a list of what we still need. */
$map = array_flip($mbox_ob->map->map);
$sequence = $options['ids']->sequence;
foreach ($ids as $uid) {
$crit = clone $query;
if ($sequence) {
if (!isset($map[$uid])) {
continue;
}
$entry_idx = $map[$uid];
} else {
$entry_idx = $uid;
unset($crit[Horde_Imap_Client::FETCH_UID]);
}
$entry = $ret->get($entry_idx);
if (isset($map[$uid])) {
$entry->setSeq($map[$uid]);
unset($crit[Horde_Imap_Client::FETCH_SEQ]);
}
$entry->setUid($uid);
foreach ($cache_array as $key => $cid) {
switch ($key) {
case Horde_Imap_Client::FETCH_DOWNGRADED:
if (!empty($data[$uid][$cid])) {
$entry->setDowngraded(true);
}
break;
case Horde_Imap_Client::FETCH_ENVELOPE:
if (isset($data[$uid][$cid]) && $data[$uid][$cid] instanceof Horde_Imap_Client_Data_Envelope) {
$entry->setEnvelope($data[$uid][$cid]);
unset($crit[$key]);
}
break;
case Horde_Imap_Client::FETCH_FLAGS:
if (isset($data[$uid][$cid]) && is_array($data[$uid][$cid])) {
$entry->setFlags($data[$uid][$cid]);
unset($crit[$key]);
}
break;
case Horde_Imap_Client::FETCH_HEADERS:
foreach ($header_cache as $hkey => $hval) {
if (isset($data[$uid][$cid][$hval])) {
/* We have found a cached entry with the same
* MD5 sum. */
$entry->setHeaders($hkey, $data[$uid][$cid][$hval]);
$crit->remove($key, $hkey);
} else {
$this->_temp['headers_caching'][$hkey] = $hval;
}
}
break;
case Horde_Imap_Client::FETCH_IMAPDATE:
if (isset($data[$uid][$cid]) && $data[$uid][$cid] instanceof Horde_Imap_Client_DateTime) {
$entry->setImapDate($data[$uid][$cid]);
unset($crit[$key]);
}
break;
case Horde_Imap_Client::FETCH_SIZE:
if (isset($data[$uid][$cid])) {
$entry->setSize($data[$uid][$cid]);
unset($crit[$key]);
}
break;
case Horde_Imap_Client::FETCH_STRUCTURE:
if (isset($data[$uid][$cid]) && $data[$uid][$cid] instanceof Horde_Mime_Part) {
$entry->setStructure($data[$uid][$cid]);
unset($crit[$key]);
}
break;
}
}
if (count($crit)) {
$sig = $crit->hash();
if (isset($new_query[$sig])) {
$new_query[$sig]['i'][] = $entry_idx;
} else {
$new_query[$sig] = array('c' => $crit, 'i' => array($entry_idx));
}
}
}
$to_fetch = array();
foreach ($new_query as $val) {
$ids_ob = $this->getIdsOb(null, $sequence);
$ids_ob->duplicates = true;
$ids_ob->add($val['i']);
$to_fetch[] = array_merge($options, array('_query' => $val['c'], 'ids' => $ids_ob));
}
if (!empty($to_fetch)) {
$this->_fetch(is_null($cs_ret) ? $ret : $cs_ret, $to_fetch);
}
if (is_null($cs_ret)) {
return $ret;
}
/* If doing changedsince query, and all other data is cached, we still
* need to hit IMAP server to determine proper results set. */
if (empty($new_query)) {
$squery = new Horde_Imap_Client_Search_Query();
$squery->modseq($options['changedsince'] + 1);
$squery->ids($options['ids']);
$cs = $this->search($this->_selected, $squery, array('sequence' => $sequence));
foreach ($cs['match'] as $val) {
$entry = $ret->get($val);
if ($sequence) {
$entry->setSeq($val);
} else {
$entry->setUid($val);
}
$cs_ret[$val] = $entry;
}
} else {
foreach ($cs_ret as $key => $val) {
$val->merge($ret->get($key));
}
}
return $cs_ret;
}
/**
* Return a folder object containing all IMAP server change information.
*
* @param array $options An array of options.
* @see Horde_ActiveSync_Imap_Adapter::getMessageChanges
*
* @return Horde_ActiveSync_Folder_Base The populated folder object.
*/
public function getChanges(array $options)
{
$this->_logger->info(sprintf('[%s] CONDSTORE and CHANGES', $this->_procid));
$flags = array();
$current_modseq = $this->_status[Horde_ActiveSync_Folder_Imap::HIGHESTMODSEQ];
$query = new Horde_Imap_Client_Search_Query();
// Increment since $imap->search uses >= operator.
if ($this->_modseq_valid) {
$query->modseq($this->_folder->modseq() + 1);
}
if (!empty($options['sincedate'])) {
$query->dateSearch(new Horde_Date($options['sincedate']), Horde_Imap_Client_Search_Query::DATE_SINCE);
}
$search_ret = $this->_imap_ob->search($this->_mbox, $query, array('results' => array(Horde_Imap_Client::SEARCH_RESULTS_MATCH)));
$search_uids = $search_ret['count'] ? $search_ret['match']->ids : array();
// Catch changes to FILTERTYPE.
if (!empty($options['refreshfilter'])) {
$this->_logger->info(sprintf('[%s] Checking for additional messages within the new FilterType parameters.', $this->_procid));
$search_ret = $this->_searchQuery($options, false);
if ($search_ret['count']) {
$this->_logger->info(sprintf('[%s] Found %d messages that are now outside FilterType.', $this->_procid, $search_ret['count']));
$search_uids = array_merge($search_uids, $search_ret['match']->ids);
}
}
// Protect against very large change sets.
$cnt = count($search_uids) / Horde_ActiveSync_Imap_Adapter::MAX_FETCH + 1;
$query = new Horde_Imap_Client_Fetch_Query();
if ($this->_modseq_valid) {
$query->modseq();
}
$query->flags();
$changes = array();
$categories = array();
for ($i = 0; $i <= $cnt; $i++) {
$ids = new Horde_Imap_Client_Ids(array_slice($search_uids, $i * Horde_ActiveSync_Imap_Adapter::MAX_FETCH, Horde_ActiveSync_Imap_Adapter::MAX_FETCH));
try {
$fetch_ret = $this->_imap_ob->fetch($this->_mbox, $query, array('ids' => $ids));
} catch (Horde_Imap_Client_Exception $e) {
$this->_logger->err($e->getMessage());
throw new Horde_ActiveSync_Exception($e);
}
$this->_buildModSeqChanges($changes, $flags, $categories, $fetch_ret, $options, $current_modseq);
}
// Set the changes in the folder object.
$this->_folder->setChanges($changes, $flags, $categories, !empty($options['softdelete']) || !empty($options['refreshfilter']));
// Check for deleted messages.
try {
$deleted = $this->_imap_ob->vanished($this->_mbox, $this->_folder->modseq(), array('ids' => new Horde_Imap_Client_Ids($this->_folder->messages())));
} catch (Horde_Imap_Client_Excetion $e) {
$this->_logger->err($e->getMessage());
throw new Horde_ActiveSync_Exception($e);
}
$this->_folder->setRemoved($deleted->ids);
$this->_logger->info(sprintf('[%s] Found %d deleted messages.', $this->_procid, $deleted->count()));
// Check for SOFTDELETE messages.
if (!empty($options['sincedate']) && (!empty($options['softdelete']) || !empty($options['refreshfilter']))) {
$this->_logger->info(sprintf('[%s] Polling for SOFTDELETE in %s before %d', $this->_procid, $this->_folder->serverid(), $options['sincedate']));
$search_ret = $this->_searchQuery($options, true);
if ($search_ret['count']) {
$this->_logger->info(sprintf('[%s] Found %d messages to SOFTDELETE.', $this->_procid, count($search_ret['match']->ids)));
$this->_folder->setSoftDeleted($search_ret['match']->ids);
}
$this->_folder->setSoftDeleteTimes($options['sincedate'], time());
}
return $this->_folder;
}
