/**
* Set the cached stat info for a file path.
* Negatives (404s) are not cached. By not caching negatives, we can skip cache
* salting for the case when a file is created at a path were there was none before.
*
* @param string $path Storage path
* @param array $val Stat information to cache
*/
protected final function setFileCache($path, array $val)
{
$path = FileBackend::normalizeStoragePath($path);
if ($path === null) {
return;
// invalid storage path
}
$mtime = ConvertibleTimestamp::convert(TS_UNIX, $val['mtime']);
$ttl = $this->memCache->adaptiveTTL($mtime, 7 * 86400, 300, 0.1);
$key = $this->fileCacheKey($path);
// Set the cache unless it is currently salted.
$this->memCache->set($key, $val, $ttl);
}
public function decodeExpiry($expiry, $format = TS_MW)
{
if ($expiry == '' || $expiry == 'infinity' || $expiry == $this->getInfinity()) {
return 'infinity';
}
return ConvertibleTimestamp::convert($format, $expiry);
}
/**
* Format an invalid timestamp.
* @covers ConvertibleTimestamp::convert
*/
public function testConvertInvalid()
{
$this->assertSame(false, ConvertibleTimestamp::convert('Not a timestamp', 0));
}
/**
* function to validate date properties, and convert to (partial) Exif format.
*
* Dates can be one of the following formats:
* YYYY
* YYYY-MM
* YYYY-MM-DD
* YYYY-MM-DDThh:mmTZD
* YYYY-MM-DDThh:mm:ssTZD
* YYYY-MM-DDThh:mm:ss.sTZD
*
* @param array $info Information about current property
* @param mixed &$val Current value to validate. Converts to TS_EXIF as a side-effect.
* in cases where there's only a partial date, it will give things like
* 2011:04.
* @param bool $standalone If this is a simple property or array
*/
public function validateDate($info, &$val, $standalone)
{
if (!$standalone) {
// this only validates standalone properties, not arrays, etc
return;
}
$res = [];
// @codingStandardsIgnoreStart Long line that cannot be broken
if (!preg_match('/^([0-3]\\d{3})(?:-([01]\\d)(?:-([0-3]\\d)(?:T([0-2]\\d):([0-6]\\d)(?::([0-6]\\d)(?:\\.\\d+)?)?([-+]\\d{2}:\\d{2}|Z)?)?)?)?$/D', $val, $res)) {
// @codingStandardsIgnoreEnd
$this->logger->info(__METHOD__ . " Expected date but got {$val}");
$val = null;
} else {
/*
* $res is formatted as follows:
* 0 -> full date.
* 1 -> year, 2-> month, 3-> day, 4-> hour, 5-> minute, 6->second
* 7-> Timezone specifier (Z or something like +12:30 )
* many parts are optional, some aren't. For example if you specify
* minute, you must specify hour, day, month, and year but not second or TZ.
*/
/*
* First of all, if year = 0000, Something is wrongish,
* so don't extract. This seems to happen when
* some programs convert between metadata formats.
*/
if ($res[1] === '0000') {
$this->logger->info(__METHOD__ . " Invalid date (year 0): {$val}");
$val = null;
return;
}
if (!isset($res[4])) {
// hour
// just have the year month day (if that)
$val = $res[1];
if (isset($res[2])) {
$val .= ':' . $res[2];
}
if (isset($res[3])) {
$val .= ':' . $res[3];
}
return;
}
if (!isset($res[7]) || $res[7] === 'Z') {
// if hour is set, then minute must also be or regex above will fail.
$val = $res[1] . ':' . $res[2] . ':' . $res[3] . ' ' . $res[4] . ':' . $res[5];
if (isset($res[6]) && $res[6] !== '') {
$val .= ':' . $res[6];
}
return;
}
// Extra check for empty string necessary due to TZ but no second case.
$stripSeconds = false;
if (!isset($res[6]) || $res[6] === '') {
$res[6] = '00';
$stripSeconds = true;
}
// Do timezone processing. We've already done the case that tz = Z.
// We know that if we got to this step, year, month day hour and min must be set
// by virtue of regex not failing.
$unix = ConvertibleTimestamp::convert(TS_UNIX, $res[1] . $res[2] . $res[3] . $res[4] . $res[5] . $res[6]);
$offset = intval(substr($res[7], 1, 2)) * 60 * 60;
$offset += intval(substr($res[7], 4, 2)) * 60;
if (substr($res[7], 0, 1) === '-') {
$offset = -$offset;
}
$val = ConvertibleTimestamp::convert(TS_EXIF, $unix + $offset);
if ($stripSeconds) {
// If seconds weren't specified, remove the trailing ':00'.
$val = substr($val, 0, -3);
}
}
}
