/**
* Get image from storage
*
* @param Request $request
* @return file
*/
public function getImage(Request $request)
{
/**
* Check the cache
*/
$cacheKey = 'image:' . $request->imageName . ':' . $request->imageExtension;
/**
* File cached
*/
if (Cache::has($cacheKey)) {
$imageMeta = Cache::get($cacheKey);
} else {
/**
* Get META information
*/
$imageMeta = Image::where(['url' => $request->imageName, 'image_extension' => $request->imageExtension])->first(['image_mime_type', 'image_size', 'id', 'updated_at', 'image_etag']);
/**
* File does not exist
*/
if (empty($imageMeta) == TRUE) {
App::abort(404);
}
/**
* Save meta information to cache
*/
Cache::forever($cacheKey, $imageMeta);
}
/**
* Get filename
*/
$filename = Helpers::getStorageFilename(env('APP_IMAGE_STORAGE_DIRECTORY', 'images'), $imageMeta->id);
/**
* Prepare stream
*/
$stream = Storage::readStream($filename);
/**
* File headers
*/
$headers = array('Content-Description' => 'File Transfer', 'Content-Type' => $imageMeta->image_mime_type, 'Content-Transfer-Encoding' => 'binary', 'Pragma' => 'public', 'Expires' => Carbon::createFromTimestamp(time() + 3600)->toRfc2822String(), 'Last-Modified' => $imageMeta->updated_at->toRfc2822String(), 'Etag' => $imageMeta->image_etag);
/**
* Response code cached
*/
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $imageMeta->image_etag || isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $_SERVER['HTTP_IF_MODIFIED_SINCE'] == $imageMeta->updated_at->toRfc2822String()) {
$responseCode = 304;
} else {
$responseCode = 200;
}
/**
* Stream to browser
*/
return Response::stream(function () use($stream) {
fpassthru($stream);
}, $responseCode, $headers);
}
/**
* This code has been adapted the code at http://www.tuxxin.com/php-mp4-streaming.
*/
public function getResponse()
{
$stream = fopen($this->asset->getFilename(), 'rb');
$size = $length = $this->asset->getFilesize();
$start = 0;
$end = $size - 1;
$code = 200;
$headers = ['Content-Type' => $this->asset->getMimetype(), 'Accept-Ranges' => 'bytes'];
if ($range = Request::header('Range')) {
$c_start = $start;
$c_end = $end;
list(, $range) = explode('=', $range, 2);
if (strpos($range, ',') !== false) {
abort(416, null, ['Content-Range' => "bytes {$start}-{$end}/{$size}"]);
}
if ($range === '-') {
$c_start = $size - substr($range, 1);
} else {
$range = explode('-', $range);
$c_start = $range[0];
$c_end = isset($range[1]) && is_numeric($range[1]) ? $range[1] : $size;
}
$c_end = $c_end > $end ? $end : $c_end;
if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
abort(416, null, ['Content-Range' => "bytes {$start}-{$end}/{$size}"]);
}
$start = $c_start;
$end = $c_end;
$length = $end - $start + 1;
fseek($stream, $start);
$code = 206;
}
$headers['Content-Range'] = "bytes {$start}-{$end}/{$size}";
$headers['Content-Length'] = $length;
return Response::stream(function () use($stream, $end) {
$buffer = 1024 * 8;
while (!feof($stream) && ($p = ftell($stream)) <= $end) {
if ($p + $buffer > $end) {
$buffer = $end - $p + 1;
}
set_time_limit(0);
echo fread($stream, $buffer);
flush();
}
fclose($stream);
}, $code, $headers);
}
/**
* Display a list of pages which use a given template.
*/
public function pages(Template $template)
{
$pages = Helpers::getPages(['template' => $template, 'order' => 'title asc']);
if ($this->request->route()->getParameter('format') !== 'csv') {
return view($this->viewPrefix . '.pages', ['pages' => $pages, 'template' => $template]);
}
$headers = ['Content-type' => 'text/csv', 'Content-Disposition' => "attachment; filename=pages_with_template_{$template->getFilename()}.csv"];
$callback = function () use($pages) {
$fh = fopen('php://output', 'w');
fputcsv($fh, ['Title', 'URL', 'Visible?', 'Last edited']);
foreach ($pages as $p) {
$data = ['title' => $p->getTitle(), 'url' => (string) $p->url(), 'visible' => $p->isVisible() ? 'Yes' : 'No', 'last_edited' => $p->getLastModified()->format('Y-m-d H:i:s')];
fputcsv($fh, $data);
}
fclose($fh);
};
return Response::stream($callback, 200, $headers);
}
public function getResponse()
{
$size = $fullsize = $this->asset->getFilesize();
$stream = fopen($this->asset->getFilename(), 'r');
$code = 200;
$headers = ['Content-type' => $this->asset->getMimetype()];
if ($range = Request::header('Range')) {
$eqPos = strpos($range, '=');
$toPos = strpos($range, '-');
$unit = substr($range, 0, $eqPos);
$start = intval(substr($range, $eqPos + 1, $toPos));
$success = fseek($stream, $start);
if ($success == 0) {
$size = $fullsize - $start;
$code = 206;
$headers['Accept-Ranges'] = $unit;
$headers['Content-Range'] = $unit . ' ' . $start . '-' . ($fullsize - 1) . '/' . $fullsize;
}
}
$headers['Content-Length'] = $size;
return Response::stream(function () use($stream) {
fpassthru($stream);
}, $code, $headers);
}
public function stream($video)
{
if (!Auth::user()->can('view-video')) {
return view('errors.denied');
}
$filesystem = new Filesystem(new Adapter(base_path()));
$location = '/files/video/' . $video;
$stream = $filesystem->readStream($location);
$headers = ["Content-Type" => $filesystem->getMimetype($location), "Content-Length" => $filesystem->getSize($location), "Content-disposition" => "attachment; filename=\"" . basename($location) . "\""];
return Response::stream(function () use($stream) {
fpassthru($stream);
}, 200, $headers);
}
/**
* Created By Dara on 21/2/2016
* get the video of the session
*/
public function showVideo($videoName)
{
$path = storage_path('app') . '/' . $videoName;
$file = File::get($path);
$type = File::mimeType($path);
$headers = ['Content-Type' => 'video/mp4', 'Content-Length' => File::size($path)];
return Response::stream(function () use($path) {
try {
$stream = fopen($path, 'r');
fpassthru($stream);
} catch (Exception $e) {
Log::error($e);
}
}, 200, $headers);
}
