/**
* Writes single cache record into DB.
*
* @param string $key Cache key name
* @param mxied $data Serialized cache data
*
* @param boolean True on success, False on failure
*/
private function write_record($key, $data)
{
if (!$this->db) {
return false;
}
if ($this->type == 'memcache' || $this->type == 'apc') {
return $this->add_record($this->ckey($key), $data);
}
$key_exists = array_key_exists($key, $this->cache_sums);
$key = $this->prefix . '.' . $key;
// Remove NULL rows (here we don't need to check if the record exist)
if ($data == 'N;') {
$this->db->query("DELETE FROM " . $this->table . " WHERE user_id = ?" . " AND cache_key = ?", $this->userid, $key);
return true;
}
// update existing cache record
if ($key_exists) {
$result = $this->db->query("UPDATE " . $this->table . " SET created = " . $this->db->now() . ", expires = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . ", data = ?" . " WHERE user_id = ?" . " AND cache_key = ?", $data, $this->userid, $key);
} else {
// for better performance we allow more records for one key
// so, no need to check if record exist (see rcube_cache::read_record())
$result = $this->db->query("INSERT INTO " . $this->table . " (created, expires, user_id, cache_key, data)" . " VALUES (" . $this->db->now() . ", " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . ", ?, ?, ?)", $this->userid, $key, $data);
}
return $this->db->affected_rows($result);
}
/**
* Writes single cache record into DB.
*
* @param string $key Cache key name
* @param mixed $data Serialized cache data
*
* @param boolean True on success, False on failure
*/
private function write_record($key, $data)
{
if (!$this->db) {
return false;
}
// don't attempt to write too big data sets
if (strlen($data) > $this->max_packet_size()) {
trigger_error("rcube_cache: max_packet_size ({$this->max_packet}) exceeded for key {$key}. Tried to write " . strlen($data) . " bytes", E_USER_WARNING);
return false;
}
if ($this->type == 'memcache' || $this->type == 'apc') {
return $this->add_record($this->ckey($key), $data);
}
$key_exists = array_key_exists($key, $this->cache_sums);
$key = $this->prefix . '.' . $key;
// Remove NULL rows (here we don't need to check if the record exist)
if ($data == 'N;') {
$this->db->query("DELETE FROM {$this->table} WHERE `cache_key` = ?", $key);
return true;
}
// update existing cache record
if ($key_exists) {
$result = $this->db->query("UPDATE {$this->table}" . " SET `created` = " . $this->db->now() . ", `expires` = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . ", `data` = ?" . " WHERE `cache_key` = ?", $data, $key);
} else {
// for better performance we allow more records for one key
// so, no need to check if record exist (see rcube_cache::read_record())
$result = $this->db->query("INSERT INTO {$this->table}" . " (`created`, `expires`, `cache_key`, `data`)" . " VALUES (" . $this->db->now() . ", " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . ", ?, ?)", $key, $data);
}
return $this->db->affected_rows($result);
}
/**
* Writes single cache record into DB.
*
* @param string $key Cache key name
* @param mixed $data Serialized cache data
*
* @param boolean True on success, False on failure
*/
private function write_record($key, $data)
{
if (!$this->db) {
return false;
}
// don't attempt to write too big data sets
if (strlen($data) > $this->max_packet_size()) {
trigger_error("rcube_cache: max_packet_size ({$this->max_packet}) exceeded for key {$key}. Tried to write " . strlen($data) . " bytes", E_USER_WARNING);
return false;
}
if ($this->type == 'memcache' || $this->type == 'apc') {
$result = $this->add_record($this->ckey($key), $data);
// make sure index will be updated
if ($result) {
if (!array_key_exists($key, $this->cache_sums)) {
$this->cache_sums[$key] = true;
}
$this->load_index();
if (!$this->index_changed && !in_array($key, $this->index)) {
$this->index_changed = true;
}
}
return $result;
}
$db_key = $this->prefix . '.' . $key;
// Remove NULL rows (here we don't need to check if the record exist)
if ($data == 'N;') {
$result = $this->db->query("DELETE FROM {$this->table} WHERE `cache_key` = ?", $db_key);
return !$this->db->is_error($result);
}
$key_exists = array_key_exists($key, $this->cache_sums);
$expires = $this->ttl ? $this->db->now($this->ttl) : 'NULL';
if (!$key_exists) {
// Try INSERT temporarily ignoring "duplicate key" errors
$this->db->set_option('ignore_key_errors', true);
$result = $this->db->query("INSERT INTO {$this->table} (`expires`, `cache_key`, `data`)" . " VALUES ({$expires}, ?, ?)", $db_key, $data);
$this->db->set_option('ignore_key_errors', false);
}
// otherwise try UPDATE
if (!isset($result) || !($count = $this->db->affected_rows($result))) {
$result = $this->db->query("UPDATE {$this->table} SET `expires` = {$expires}, `data` = ?" . " WHERE `cache_key` = ?", $data, $db_key);
$count = $this->db->affected_rows($result);
}
return $count > 0;
}
/**
* Add the given contact records the a certain group
*
* @param string Group identifier
* @param array List of contact identifiers to be added
* @return int Number of contacts added
*/
function add_to_group($group_id, $ids)
{
if (!is_array($ids)) {
$ids = explode(self::SEPARATOR, $ids);
}
$added = 0;
$exists = array();
// get existing assignments ...
$sql_result = $this->db->query("SELECT contact_id FROM " . $this->db->table_name($this->db_groupmembers) . " WHERE contactgroup_id=?" . " AND contact_id IN (" . $this->db->array2list($ids, 'integer') . ")", $group_id);
while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
$exists[] = $sql_arr['contact_id'];
}
// ... and remove them from the list
$ids = array_diff($ids, $exists);
foreach ($ids as $contact_id) {
$this->db->query("INSERT INTO " . $this->db->table_name($this->db_groupmembers) . " (contactgroup_id, contact_id, created)" . " VALUES (?, ?, " . $this->db->now() . ")", $group_id, $contact_id);
if ($error = $this->db->is_error()) {
$this->set_error(self::ERROR_SAVING, $error);
} else {
$added++;
}
}
return $added;
}
/**
* Synchronizes the mailbox.
*
* @param string $mailbox Folder name
*/
function synchronize($mailbox)
{
// RFC4549: Synchronization Operations for Disconnected IMAP4 Clients
// RFC4551: IMAP Extension for Conditional STORE Operation
// or Quick Flag Changes Resynchronization
// RFC5162: IMAP Extensions for Quick Mailbox Resynchronization
// @TODO: synchronize with other methods?
$qresync = $this->imap->get_capability('QRESYNC');
$condstore = $qresync ? true : $this->imap->get_capability('CONDSTORE');
if (!$qresync && !$condstore) {
return;
}
// Get stored index
$index = $this->get_index_row($mailbox);
// database is empty
if (empty($index)) {
// set the flag that DB was already queried for index
// this way we'll be able to skip one SELECT in get_index()
$this->icache[$mailbox]['index_queried'] = true;
return;
}
$this->icache[$mailbox]['index'] = $index;
// no last HIGHESTMODSEQ value
if (empty($index['modseq'])) {
return;
}
if (!$this->imap->check_connection()) {
return;
}
// Enable QRESYNC
$res = $this->imap->conn->enable($qresync ? 'QRESYNC' : 'CONDSTORE');
if ($res === false) {
return;
}
// Close mailbox if already selected to get most recent data
if ($this->imap->conn->selected == $mailbox) {
$this->imap->conn->close();
}
// Get mailbox data (UIDVALIDITY, HIGHESTMODSEQ, counters, etc.)
$mbox_data = $this->imap->folder_data($mailbox);
if (empty($mbox_data)) {
return;
}
// Check UIDVALIDITY
if ($index['validity'] != $mbox_data['UIDVALIDITY']) {
$this->clear($mailbox);
return;
}
// QRESYNC not supported on specified mailbox
if (!empty($mbox_data['NOMODSEQ']) || empty($mbox_data['HIGHESTMODSEQ'])) {
return;
}
// Nothing new
if ($mbox_data['HIGHESTMODSEQ'] == $index['modseq']) {
return;
}
$uids = array();
$removed = array();
// Get known UIDs
if ($this->mode & self::MODE_MESSAGE) {
$sql_result = $this->db->query("SELECT `uid`" . " FROM {$this->messages_table}" . " WHERE `user_id` = ?" . " AND `mailbox` = ?", $this->userid, $mailbox);
while ($sql_arr = $this->db->fetch_assoc($sql_result)) {
$uids[] = $sql_arr['uid'];
}
}
// Synchronize messages data
if (!empty($uids)) {
// Get modified flags and vanished messages
// UID FETCH 1:* (FLAGS) (CHANGEDSINCE 0123456789 VANISHED)
$result = $this->imap->conn->fetch($mailbox, $uids, true, array('FLAGS'), $index['modseq'], $qresync);
if (!empty($result)) {
foreach ($result as $msg) {
$uid = $msg->uid;
// Remove deleted message
if ($this->skip_deleted && !empty($msg->flags['DELETED'])) {
$removed[] = $uid;
// Invalidate index
$index['valid'] = false;
continue;
}
$flags = 0;
if (!empty($msg->flags)) {
foreach ($this->flags as $idx => $flag) {
if (!empty($msg->flags[$flag])) {
$flags += $idx;
}
}
}
$this->db->query("UPDATE {$this->messages_table}" . " SET `flags` = ?, `expires` = " . ($this->ttl ? $this->db->now($this->ttl) : 'NULL') . " WHERE `user_id` = ?" . " AND `mailbox` = ?" . " AND `uid` = ?" . " AND `flags` <> ?", $flags, $this->userid, $mailbox, $uid, $flags);
}
}
// VANISHED found?
if ($qresync) {
$mbox_data = $this->imap->folder_data($mailbox);
// Removed messages found
$uids = rcube_imap_generic::uncompressMessageSet($mbox_data['VANISHED']);
if (!empty($uids)) {
$removed = array_merge($removed, $uids);
// Invalidate index
$index['valid'] = false;
}
}
// remove messages from database
if (!empty($removed)) {
$this->remove_message($mailbox, $removed);
}
}
$sort_field = $index['sort_field'];
$sort_order = $index['object']->get_parameters('ORDER');
$exists = true;
// Validate index
if (!$this->validate($mailbox, $index, $exists)) {
// Invalidate (remove) thread index
// if $exists=false it was already removed in validate()
if ($exists) {
$this->remove_thread($mailbox);
}
// Update index
$data = $this->get_index_data($mailbox, $sort_field, $sort_order, $mbox_data);
} else {
$data = $index['object'];
}
// update index and/or HIGHESTMODSEQ value
$this->add_index_row($mailbox, $sort_field, $data, $mbox_data, $exists);
// update internal cache for get_index()
$this->icache[$mailbox]['index']['object'] = $data;
}
/**
* Update user's last_login timestamp
*/
function touch()
{
if ($this->ID) {
$this->db->query("UPDATE " . $this->db->table_name('users') . " SET last_login = "******" WHERE user_id = ?", $this->ID);
}
}
/**
* Update user's last_login timestamp
*/
function touch()
{
if ($this->ID) {
$this->db->query("UPDATE " . $this->db->table_name('users', true) . " SET `last_login` = " . $this->db->now() . " WHERE `user_id` = ?", $this->ID);
}
}
