/**
* Special handler for POP3 boxes. Standard IMAP commands are useless.
* This will fetch only partial emails for POP3 and hence needs to be call again and again based on status it returns
*/
function pop3_checkPartialEmail($synch = false)
{
require_once 'include/utils/array_utils.php';
global $current_user;
global $sugar_config;
$cacheDataExists = false;
$diff = array();
$results = array();
$cacheFilePath = clean_path("{$this->EmailCachePath}/{$this->id}/folders/MsgNOToUIDLData.php");
if (file_exists($cacheFilePath)) {
$cacheDataExists = true;
if ($fh = @fopen($cacheFilePath, "rb")) {
$data = "";
$chunksize = 1 * (1024 * 1024);
// how many bytes per chunk
while (!feof($fh)) {
$buf = fgets($fh, $chunksize);
// 8kb max buffer - shouldn't be more than 80 chars via pop3...
$data = $data . $buf;
flush();
}
// while
fclose($fh);
$diff = unserialize($data);
if (!empty($diff)) {
if (count($diff) > 50) {
$newDiff = array_slice($diff, 50, count($diff), true);
} else {
$newDiff = array();
}
$results = array_slice(array_keys($diff), 0, 50);
$data = serialize($newDiff);
if ($fh = @fopen($cacheFilePath, "w")) {
fputs($fh, $data);
fclose($fh);
}
// if
}
}
// if
}
// if
if (!$cacheDataExists) {
if ($synch) {
$this->deletePop3Cache();
}
$UIDLs = $this->pop3_getUIDL();
if (count($UIDLs) > 0) {
// get cached UIDLs
$cacheUIDLs = $this->pop3_getCacheUidls();
// new email cache values we should deal with
$diff = array_diff_assoc($UIDLs, $cacheUIDLs);
$diff = $this->pop3_shiftCache($diff, $cacheUIDLs);
require_once 'modules/Emails/EmailUI.php';
EmailUI::preflightEmailCache("{$this->EmailCachePath}/{$this->id}");
if (count($diff) > 50) {
$newDiff = array_slice($diff, 50, count($diff), true);
} else {
$newDiff = array();
}
$results = array_slice(array_keys($diff), 0, 50);
$data = serialize($newDiff);
if ($fh = @fopen($cacheFilePath, "w")) {
fputs($fh, $data);
fclose($fh);
}
// if
} else {
$GLOBALS['log']->debug("*** INBOUNDEMAIL: could not open socket connection to POP3 server");
return "could not open socket connection to POP3 server";
}
// else
}
// if
// build up msgNo request
if (count($diff) > 0) {
// remove dirty cache entries
$startingNo = 0;
if (isset($_REQUEST['currentCount']) && $_REQUEST['currentCount'] > -1) {
$startingNo = $_REQUEST['currentCount'];
}
$this->mailbox = 'INBOX';
$this->connectMailserver();
//$searchResults = array_keys($diff);
//$fetchedOverviews = array();
//$chunkArraySerachResults = array_chunk($searchResults, 50);
$concatResults = implode(",", $results);
$GLOBALS['log']->info('$$$$ ' . $concatResults);
$GLOBALS['log']->info("[EMAIL] Start POP3 fetch overview on mailbox [{$this->mailbox}] for user [{$current_user->user_name}] on 50 data");
$fetchedOverviews = imap_fetch_overview($this->conn, $concatResults);
$GLOBALS['log']->info("[EMAIL] End POP3 fetch overview on mailbox [{$this->mailbox}] for user [{$current_user->user_name}] on " . sizeof($fetchedOverviews) . " data");
// clean up cache entry
foreach ($fetchedOverviews as $k => $overview) {
$overview->message_id = trim($diff[$overview->msgno]);
$fetchedOverviews[$k] = $overview;
}
$GLOBALS['log']->info("[EMAIL] Start updating overview cache for pop3 mailbox [{$this->mailbox}] for user [{$current_user->user_name}]");
$this->updateOverviewCacheFile($fetchedOverviews);
$GLOBALS['log']->info("[EMAIL] Start updating overview cache for pop3 mailbox [{$this->mailbox}] for user [{$current_user->user_name}]");
return array('status' => "In Progress", 'mbox' => $this->mailbox, 'count' => count($results) + $startingNo, 'totalcount' => count($diff), 'ieid' => $this->id);
}
// if
unlink($cacheFilePath);
return array('status' => "done");
}
