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store folder-hashes via state-maschine in db

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This commit is contained in:
Ralf Becker 2016-06-10 08:31:09 +02:00
parent ab02df94d4
commit 17e8473e6e
1 changed files with 56 additions and 15 deletions
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71
mail/inc/class.mail_zpush.inc.php
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@ -1970,37 +1970,78 @@ class mail_zpush implements activesync_plugin_write, activesync_plugin_sendmail,
private $folderHashes; private $folderHashes;
/**
* Statemaschine instance used to store folders
*
* @var activesync_statemaschine
*/
private $fh_state_maschine;
/**
* state_type (and _key) used to store folder hashes
*/
const FOLDER_STATE_TYPE = 'folder_hashes';
/** /**
* Read hashfile from state dir * Read hashfile from state dir
*/ */
private function readFolderHashes() private function readFolderHashes()
{ {
if ((file_exists($file = $this->hashFile()) || file_exists($file = $this->hashFile(true))) && if (!isset($this->fh_state_maschine))
($hashes = file_get_contents($file)))
{ {
$this->folderHashes = json_decode($hashes,true); $this->fh_state_maschine = new activesync_statemachine($this->backend);
// fallback in case hashes have been serialized instead of being json-encoded
if (json_last_error()!=JSON_ERROR_NONE)
{
//error_log(__METHOD__.__LINE__." error decoding with json");
$this->folderHashes = unserialize($hashes);
}
} }
else try {
{ $this->folderHashes = $this->fh_state_maschine->getState(Request::GetDeviceID(),
$this->folderHashes = array(); self::FOLDER_STATE_TYPE, self::FOLDER_STATE_TYPE, 0);
}
catch (Exception $e) {
_egw_log_exception($e);
if ((file_exists($file = $this->hashFile()) || file_exists($file = $this->hashFile(true))) &&
($hashes = file_get_contents($file)))
{
$this->folderHashes = json_decode($hashes,true);
// fallback in case hashes have been serialized instead of being json-encoded
if (json_last_error()!=JSON_ERROR_NONE)
{
//error_log(__METHOD__.__LINE__." error decoding with json");
$this->folderHashes = unserialize($hashes);
}
// store folder-hashes to state
try {
$this->storeFolderHashes();
}
catch(Exception $e) {
}
}
else
{
$this->folderHashes = array();
}
} }
} }
/** /**
* Store hashfile in state dir * Store hashfile via state-maschine
* *
* return int|boolean false on error * return int|boolean false on error
*/ */
private function storeFolderHashes() private function storeFolderHashes()
{ {
// make sure $this->folderHashes is an array otherwise json_encode may fail on decode for string,integer,float or boolean if (!isset($this->fh_state_maschine))
return file_put_contents($this->hashFile(), json_encode((is_array($this->folderHashes)?$this->folderHashes:array($this->folderHashes)))); {
$this->fh_state_maschine = new activesync_statemachine($this->backend);
}
try {
$this->fh_state_maschine->setState($this->folderHashes, Request::GetDeviceID(),
self::FOLDER_STATE_TYPE, self::FOLDER_STATE_TYPE, 0);
}
catch (Exception $e) {
_egw_log_exception($e);
return false;
}
return true;
} }
/** /**