/**
* Stream the file if there were no errors
*
* @param array $headers Additional HTTP headers to send on success
* @return Status
* @since 1.27
*/
public function streamFileWithStatus($headers = [])
{
if (!$this->path) {
return Status::newFatal('backend-fail-stream', '<no path>');
} elseif (FileBackend::isStoragePath($this->path)) {
$be = $this->file->getRepo()->getBackend();
return $be->streamFile(['src' => $this->path, 'headers' => $headers]);
} else {
// FS-file
$success = StreamFile::stream($this->getLocalCopyPath(), $headers);
return $success ? Status::newGood() : Status::newFatal('backend-fail-stream', $this->path);
}
}
/**
* Stream the file if there were no errors
*
* @param array $headers Additional HTTP headers to send on success
* @return Bool success
*/
public function streamFile( $headers = array() ) {
if ( !$this->path ) {
return false;
} elseif ( FileBackend::isStoragePath( $this->path ) ) {
$be = $this->file->getRepo()->getBackend();
return $be->streamFile( array( 'src' => $this->path, 'headers' => $headers ) )->isOK();
} else { // FS-file
return StreamFile::stream( $this->getLocalCopyPath(), $headers );
}
}
/**
* Stream a file to the browser. Back-compat alias for StreamFile::stream()
* @deprecated since 1.19
*/
function wfStreamFile($fname, $headers = array())
{
wfDeprecated(__FUNCTION__, '1.19');
StreamFile::stream($fname, $headers);
}
/**
* Stream the file if there were no errors
*
* @param $headers Array Additional HTTP headers to send on success
* @return Bool success
*/
public function streamFile($headers = array())
{
return $this->path && StreamFile::stream($this->getLocalCopyPath(), $headers);
}
/**
*
*/
protected function streamThumbnail() {
global $wgVipsThumbnailerHost, $wgVipsTestExpiry;
$request = $this->getRequest();
# Validate title and file existance
$title = Title::makeTitleSafe( NS_FILE, $request->getText( 'thumb' ) );
if ( is_null( $title ) ) {
$this->streamError( 404, "VipsScaler: invalid title\n" );
return;
}
$file = wfFindFile( $title );
if ( !$file || !$file->exists() ) {
$this->streamError( 404, "VipsScaler: file not found\n" );
return;
}
# Check if vips can handle this file
if ( VipsScaler::getVipsHandler( $file ) === false ) {
$this->streamError( 500, "VipsScaler: VIPS cannot handle this file type\n" );
return;
}
# Validate param string
$handler = $file->getHandler();
$params = array( 'width' => $request->getInt( 'width' ) );
if ( !$handler->normaliseParams( $file, $params ) ) {
$this->streamError( 500, "VipsScaler: invalid parameters\n" );
return;
}
# Get the thumbnail
if ( is_null( $wgVipsThumbnailerHost ) || $request->getBool( 'noproxy' ) ) {
# No remote scaler, need to do it ourselves.
# Emulate the BitmapHandlerTransform hook
$dstPath = VipsCommand::makeTemp( $file->getExtension() );
$dstUrl = '';
wfDebug( __METHOD__ . ": Creating vips thumbnail at $dstPath\n" );
$scalerParams = array(
# The size to which the image will be resized
'physicalWidth' => $params['physicalWidth'],
'physicalHeight' => $params['physicalHeight'],
'physicalDimensions' => "{$params['physicalWidth']}x{$params['physicalHeight']}",
# The size of the image on the page
'clientWidth' => $params['width'],
'clientHeight' => $params['height'],
# Comment as will be added to the EXIF of the thumbnail
'comment' => isset( $params['descriptionUrl'] ) ?
"File source: {$params['descriptionUrl']}" : '',
# Properties of the original image
'srcWidth' => $file->getWidth(),
'srcHeight' => $file->getHeight(),
'mimeType' => $file->getMimeType(),
'srcPath' => $file->getPath(),
'dstPath' => $dstPath,
'dstUrl' => $dstUrl,
);
$options = array();
if ( $request->getBool( 'bilinear' ) ) {
$options['bilinear'] = true;
wfDebug( __METHOD__ . ": using bilinear scaling\n" );
}
if ( $request->getVal( 'sharpen' ) && $request->getVal( 'sharpen' ) < 5 ) {
# Limit sharpen sigma to 5, otherwise we have to write huge convolution matrices
$options['sharpen'] = array( 'sigma' => floatval( $request->getVal( 'sharpen' ) ) );
wfDebug( __METHOD__ . ": sharpening with radius {$options['sharpen']}\n" );
}
# Call the hook
$mto = null;
VipsScaler::doTransform( $handler, $file, $scalerParams, $options, $mto );
if ( $mto && !$mto->isError() ) {
wfDebug( __METHOD__ . ": streaming thumbnail...\n" );
$this->getOutput()->disable();
StreamFile::stream( $dstPath, array(
"Cache-Control: public, max-age=$wgVipsTestExpiry, s-maxage=$wgVipsTestExpiry",
'Expires: ' . gmdate( 'r ', time() + $wgVipsTestExpiry )
) );
} else {
$this->streamError( 500, $mto->getHtmlMsg() );
}
# Cleanup the temporary file
wfSuppressWarnings();
unlink( $dstPath );
wfRestoreWarnings();
} else {
# Request the thumbnail at a remote scaler
$url = wfExpandUrl( $request->getRequestURL(), PROTO_INTERNAL );
$url = wfAppendQuery( $url, array( 'noproxy' => '1' ) );
wfDebug( __METHOD__ . ": Getting vips thumb from remote url $url\n" );
$bits = IP::splitHostAndPort( $wgVipsThumbnailerHost );
if ( !$bits ) {
throw new MWException( __METHOD__.': $wgVipsThumbnailerHost is not set to a valid host' );
}
list( $host, $port ) = $bits;
if ( $port === false ) {
$port = 80;
}
$proxy = IP::combineHostAndPort( $host, $port );
$options = array(
'method' => 'GET',
'proxy' => $proxy,
);
$req = MWHttpRequest::factory( $url, $options );
$status = $req->execute();
if ( $status->isOk() ) {
# Disable output and stream the file
$this->getOutput()->disable();
wfResetOutputBuffers();
header( 'Content-Type: ' . $file->getMimeType() );
header( 'Content-Length: ' . strlen( $req->getContent() ) );
header( "Cache-Control: public, max-age=$wgVipsTestExpiry, s-maxage=$wgVipsTestExpiry" );
header( 'Expires: ' . gmdate( 'r ', time() + $wgVipsTestExpiry ) );
print $req->getContent();
} elseif ( $status->hasMessage( 'http-bad-status' ) ) {
$this->streamError( 500, $req->getContent() );
return;
} else {
global $wgOut;
$this->streamError( 500, $wgOut->parse( $status->getWikiText() ) );
return;
}
}
}
/**
* @return bool
*
* @throws \MWException
*/
public function showImage()
{
$error = null;
$this->wg->Out->disable();
$info = $this->retrieveCaptcha();
if ($info) {
$info['viewed'] = wfTimestamp();
$this->storeCaptcha($info);
$salt = $info['salt'];
$hash = $info['hash'];
$file = $this->imagePath($salt, $hash);
if (file_exists($file)) {
header("Cache-Control: private, s-maxage=0, max-age=3600");
\StreamFile::stream($file);
return true;
} else {
$error = 'File ' . $file . ' does not exist';
}
} else {
$error = 'Info is empty';
}
wfHttpError(404, '404 not found', 'Requested non-existing captcha image');
$this->log('Captcha returned 404: ' . $error);
return false;
}
