/**
* Test requesting an invalid output format.
* @expectedException TimestampException
* @covers ConvertibleTimestamp::getTimestamp
*/
public function testInvalidOutput()
{
$timestamp = new ConvertibleTimestamp('1343761268');
$timestamp->getTimestamp(98);
}
/**
* 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, $ttl);
}
public function timestamp($ts = 0)
{
$ct = new ConvertibleTimestamp($ts);
return $ct->getTimestamp(TS_POSTGRES);
}
public function decodeExpiry($expiry, $format = TS_MW)
{
if ($expiry == '' || $expiry == 'infinity' || $expiry == $this->getInfinity()) {
return 'infinity';
}
return ConvertibleTimestamp::convert($format, $expiry);
}
protected function doGetFileStat(array $params)
{
$source = $this->resolveToFSPath($params['src']);
if ($source === null) {
return false;
// invalid storage path
}
$this->trapWarnings();
// don't trust 'false' if there were errors
$stat = is_file($source) ? stat($source) : false;
// regular files only
$hadError = $this->untrapWarnings();
if ($stat) {
$ct = new ConvertibleTimestamp($stat['mtime']);
return ['mtime' => $ct->getTimestamp(TS_MW), 'size' => $stat['size']];
} elseif (!$hadError) {
return false;
// file does not exist
} else {
return null;
// failure
}
}
/**
* Stream a file to the browser, adding all the headings and fun stuff.
* Headers sent include: Content-type, Content-Length, Last-Modified,
* and Content-Disposition.
*
* @param array $headers Any additional headers to send if the file exists
* @param bool $sendErrors Send error messages if errors occur (like 404)
* @param array $optHeaders HTTP request header map (e.g. "range") (use lowercase keys)
* @param integer $flags Bitfield of STREAM_* constants
* @throws MWException
* @return bool Success
*/
public function stream($headers = [], $sendErrors = true, $optHeaders = [], $flags = 0)
{
// Don't stream it out as text/html if there was a PHP error
if ((($flags & self::STREAM_HEADLESS) == 0 || $headers) && headers_sent()) {
echo "Headers already sent, terminating.\n";
return false;
}
$headerFunc = $flags & self::STREAM_HEADLESS ? function ($header) {
// no-op
} : function ($header) {
is_int($header) ? HttpStatus::header($header) : header($header);
};
MediaWiki\suppressWarnings();
$info = stat($this->path);
MediaWiki\restoreWarnings();
if (!is_array($info)) {
if ($sendErrors) {
self::send404Message($this->path, $flags);
}
return false;
}
// Send Last-Modified HTTP header for client-side caching
$mtimeCT = new ConvertibleTimestamp($info['mtime']);
$headerFunc('Last-Modified: ' . $mtimeCT->getTimestamp(TS_RFC2822));
if (($flags & self::STREAM_ALLOW_OB) == 0) {
call_user_func($this->obResetFunc);
}
$type = call_user_func($this->streamMimeFunc, $this->path);
if ($type && $type != 'unknown/unknown') {
$headerFunc("Content-type: {$type}");
} else {
// Send a content type which is not known to Internet Explorer, to
// avoid triggering IE's content type detection. Sending a standard
// unknown content type here essentially gives IE license to apply
// whatever content type it likes.
$headerFunc('Content-type: application/x-wiki');
}
// Don't send if client has up to date cache
if (isset($optHeaders['if-modified-since'])) {
$modsince = preg_replace('/;.*$/', '', $optHeaders['if-modified-since']);
if ($mtimeCT->getTimestamp(TS_UNIX) <= strtotime($modsince)) {
ini_set('zlib.output_compression', 0);
$headerFunc(304);
return true;
// ok
}
}
// Send additional headers
foreach ($headers as $header) {
header($header);
// always use header(); specifically requested
}
if (isset($optHeaders['range'])) {
$range = self::parseRange($optHeaders['range'], $info['size']);
if (is_array($range)) {
$headerFunc(206);
$headerFunc('Content-Length: ' . $range[2]);
$headerFunc("Content-Range: bytes {$range[0]}-{$range[1]}/{$info['size']}");
} elseif ($range === 'invalid') {
if ($sendErrors) {
$headerFunc(416);
$headerFunc('Cache-Control: no-cache');
$headerFunc('Content-Type: text/html; charset=utf-8');
$headerFunc('Content-Range: bytes */' . $info['size']);
}
return false;
} else {
// unsupported Range request (e.g. multiple ranges)
$range = null;
$headerFunc('Content-Length: ' . $info['size']);
}
} else {
$range = null;
$headerFunc('Content-Length: ' . $info['size']);
}
if (is_array($range)) {
$handle = fopen($this->path, 'rb');
if ($handle) {
$ok = true;
fseek($handle, $range[0]);
$remaining = $range[2];
while ($remaining > 0 && $ok) {
$bytes = min($remaining, 8 * 1024);
$data = fread($handle, $bytes);
$remaining -= $bytes;
$ok = $data !== false;
print $data;
}
} else {
return false;
}
} else {
return readfile($this->path) !== false;
// faster
}
return true;
}
/**
* 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);
}
}
}
