check return from Config::Load() and retry on failure plus cleanup

This commit is contained in:
Mario Vavti
2023-12-14 12:32:34 +01:00
parent 062d61567e
commit 69266cd6c6

View File

@@ -2,6 +2,7 @@
namespace Zotlabs\Lib;
use App;
class Config {
@@ -14,21 +15,44 @@ class Config {
* @param string $family
* The category of the configuration value
*/
static public function Load($family) {
if(! array_key_exists($family, \App::$config))
\App::$config[$family] = array();
public static function Load($family, $recursionCounter = 0) {
if (! array_key_exists($family, App::$config)) {
App::$config[$family] = [];
}
if(! array_key_exists('config_loaded', \App::$config[$family])) {
// We typically continue when presented with minor DB issues,
// but loading the site configuration is more important.
// Check for query returning false and give it approx 30 seconds
// to recover if there's a problem. This is intended to fix a
// rare issue on Galera where temporary sync issues were causing
// the site encryption keys to be regenerated, which was causing
// communication issues for members.
// This code probably belongs at the database layer, but we don't
// necessarily want to shut the site down for problematic queries
// caused by bad data. That could be used in a denial of service
// attack. Those do need to be (and they are) logged.
if (! array_key_exists('config_loaded', App::$config[$family])) {
$r = q("SELECT * FROM config WHERE cat = '%s'", dbesc($family));
if($r !== false) {
if($r) {
foreach($r as $rr) {
$k = $rr['k'];
\App::$config[$family][$k] = $rr['v'];
}
if ($r === false) {
sleep(3);
$recursionCounter ++;
if ($recursionCounter > 10) {
system_unavailable();
}
\App::$config[$family]['config_loaded'] = true;
self::Load($family, $recursionCounter);
}
else {
foreach ($r as $rr) {
$k = $rr['k'];
App::$config[$family][$k] = $rr['v'];
}
App::$config[$family]['config_loaded'] = true;
}
}
}
@@ -46,19 +70,19 @@ class Config {
* @return mixed
* Return the set value, or false if the database update failed
*/
static public function Set($family, $key, $value) {
public static function Set($family, $key, $value) {
// manage array value
$dbvalue = ((is_array($value)) ? serialize($value) : $value);
$dbvalue = ((is_array($value)) ? serialise($value) : $value);
$dbvalue = ((is_bool($dbvalue)) ? intval($dbvalue) : $dbvalue);
if(self::Get($family, $key) === false || (! self::get_from_storage($family, $key))) {
if (self::Get($family, $key) === false || (! self::get_from_storage($family, $key))) {
$ret = q("INSERT INTO config ( cat, k, v ) VALUES ( '%s', '%s', '%s' ) ",
dbesc($family),
dbesc($key),
dbesc($dbvalue)
);
if($ret) {
\App::$config[$family][$key] = $value;
if ($ret) {
App::$config[$family][$key] = $value;
$ret = $value;
}
return $ret;
@@ -70,8 +94,8 @@ class Config {
dbesc($key)
);
if($ret) {
\App::$config[$family][$key] = $value;
if ($ret) {
App::$config[$family][$key] = $value;
$ret = $value;
}
@@ -96,18 +120,21 @@ class Config {
* @param string $default (optional) default false
* @return mixed Return value or false on error or if not set
*/
static public function Get($family, $key, $default = false) {
if((! array_key_exists($family, \App::$config)) || (! array_key_exists('config_loaded', \App::$config[$family])))
public static function Get($family, $key, $default = false) {
if ((! array_key_exists($family, App::$config)) || (! array_key_exists('config_loaded', App::$config[$family]))) {
self::Load($family);
}
if(array_key_exists('config_loaded', \App::$config[$family])) {
if(! array_key_exists($key, \App::$config[$family])) {
if (array_key_exists('config_loaded', App::$config[$family])) {
if (! array_key_exists($key, App::$config[$family])) {
return $default;
}
return ((! is_array(\App::$config[$family][$key])) && (preg_match('|^a:[0-9]+:{.*}$|s', \App::$config[$family][$key]))
? unserialize(\App::$config[$family][$key])
: \App::$config[$family][$key]
return ((! is_array(App::$config[$family][$key])) && (preg_match('|^a:[0-9]+:{.*}$|s', App::$config[$family][$key]))
? unserialize(App::$config[$family][$key])
: App::$config[$family][$key]
);
}
return $default;
@@ -125,12 +152,13 @@ class Config {
* The configuration key to delete
* @return mixed
*/
static public function Delete($family, $key) {
public static function Delete($family, $key) {
$ret = false;
if(array_key_exists($family, \App::$config) && array_key_exists($key, \App::$config[$family]))
unset(\App::$config[$family][$key]);
if (array_key_exists($family, App::$config) && array_key_exists($key, App::$config[$family])) {
unset(App::$config[$family][$key]);
}
$ret = q("DELETE FROM config WHERE cat = '%s' AND k = '%s'",
dbesc($family),
@@ -153,7 +181,7 @@ class Config {
* The configuration key to query
* @return mixed
*/
static private function get_from_storage($family,$key) {
private static function get_from_storage($family, $key) {
$ret = q("SELECT * FROM config WHERE cat = '%s' AND k = '%s' LIMIT 1",
dbesc($family),
dbesc($key)
@@ -161,5 +189,4 @@ class Config {
return $ret;
}
}