Exception
4 years ago
File
4 years ago
Session
4 years ago
Tests
4 years ago
AcceptHeader.php
4 years ago
AcceptHeaderItem.php
4 years ago
ApacheRequest.php
4 years ago
BinaryFileResponse.php
4 years ago
Cookie.php
4 years ago
ExpressionRequestMatcher.php
4 years ago
FileBag.php
4 years ago
HeaderBag.php
4 years ago
IpUtils.php
4 years ago
JsonResponse.php
4 years ago
LICENSE
4 years ago
ParameterBag.php
4 years ago
RedirectResponse.php
4 years ago
Request.php
4 years ago
RequestMatcher.php
4 years ago
RequestMatcherInterface.php
4 years ago
RequestStack.php
4 years ago
Response.php
4 years ago
ResponseHeaderBag.php
4 years ago
ServerBag.php
4 years ago
StreamedResponse.php
4 years ago
BinaryFileResponse.php
368 lines
| 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This file is part of the Symfony package. |
| 5 | * |
| 6 | * (c) Fabien Potencier <fabien@symfony.com> |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | |
| 12 | namespace Symfony\Component\HttpFoundation; |
| 13 | |
| 14 | use Symfony\Component\HttpFoundation\File\Exception\FileException; |
| 15 | use Symfony\Component\HttpFoundation\File\File; |
| 16 | |
| 17 | /** |
| 18 | * BinaryFileResponse represents an HTTP response delivering a file. |
| 19 | * |
| 20 | * @author Niklas Fiekas <niklas.fiekas@tu-clausthal.de> |
| 21 | * @author stealth35 <stealth35-php@live.fr> |
| 22 | * @author Igor Wiedler <igor@wiedler.ch> |
| 23 | * @author Jordan Alliot <jordan.alliot@gmail.com> |
| 24 | * @author Sergey Linnik <linniksa@gmail.com> |
| 25 | */ |
| 26 | class BinaryFileResponse extends Response |
| 27 | { |
| 28 | protected static $trustXSendfileTypeHeader = false; |
| 29 | |
| 30 | /** |
| 31 | * @var File |
| 32 | */ |
| 33 | protected $file; |
| 34 | protected $offset = 0; |
| 35 | protected $maxlen = -1; |
| 36 | protected $deleteFileAfterSend = false; |
| 37 | |
| 38 | /** |
| 39 | * @param \SplFileInfo|string $file The file to stream |
| 40 | * @param int $status The response status code |
| 41 | * @param array $headers An array of response headers |
| 42 | * @param bool $public Files are public by default |
| 43 | * @param string|null $contentDisposition The type of Content-Disposition to set automatically with the filename |
| 44 | * @param bool $autoEtag Whether the ETag header should be automatically set |
| 45 | * @param bool $autoLastModified Whether the Last-Modified header should be automatically set |
| 46 | */ |
| 47 | public function __construct($file, $status = 200, $headers = [], $public = true, $contentDisposition = null, $autoEtag = false, $autoLastModified = true) |
| 48 | { |
| 49 | parent::__construct(null, $status, $headers); |
| 50 | |
| 51 | $this->setFile($file, $contentDisposition, $autoEtag, $autoLastModified); |
| 52 | |
| 53 | if ($public) { |
| 54 | $this->setPublic(); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * @param \SplFileInfo|string $file The file to stream |
| 60 | * @param int $status The response status code |
| 61 | * @param array $headers An array of response headers |
| 62 | * @param bool $public Files are public by default |
| 63 | * @param string|null $contentDisposition The type of Content-Disposition to set automatically with the filename |
| 64 | * @param bool $autoEtag Whether the ETag header should be automatically set |
| 65 | * @param bool $autoLastModified Whether the Last-Modified header should be automatically set |
| 66 | * |
| 67 | * @return static |
| 68 | */ |
| 69 | public static function create($file = null, $status = 200, $headers = [], $public = true, $contentDisposition = null, $autoEtag = false, $autoLastModified = true) |
| 70 | { |
| 71 | return new static($file, $status, $headers, $public, $contentDisposition, $autoEtag, $autoLastModified); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Sets the file to stream. |
| 76 | * |
| 77 | * @param \SplFileInfo|string $file The file to stream |
| 78 | * @param string $contentDisposition |
| 79 | * @param bool $autoEtag |
| 80 | * @param bool $autoLastModified |
| 81 | * |
| 82 | * @return $this |
| 83 | * |
| 84 | * @throws FileException |
| 85 | */ |
| 86 | public function setFile($file, $contentDisposition = null, $autoEtag = false, $autoLastModified = true) |
| 87 | { |
| 88 | if (!$file instanceof File) { |
| 89 | if ($file instanceof \SplFileInfo) { |
| 90 | $file = new File($file->getPathname()); |
| 91 | } else { |
| 92 | $file = new File((string) $file); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | if (!$file->isReadable()) { |
| 97 | throw new FileException('File must be readable.'); |
| 98 | } |
| 99 | |
| 100 | $this->file = $file; |
| 101 | |
| 102 | if ($autoEtag) { |
| 103 | $this->setAutoEtag(); |
| 104 | } |
| 105 | |
| 106 | if ($autoLastModified) { |
| 107 | $this->setAutoLastModified(); |
| 108 | } |
| 109 | |
| 110 | if ($contentDisposition) { |
| 111 | $this->setContentDisposition($contentDisposition); |
| 112 | } |
| 113 | |
| 114 | return $this; |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Gets the file. |
| 119 | * |
| 120 | * @return File The file to stream |
| 121 | */ |
| 122 | public function getFile() |
| 123 | { |
| 124 | return $this->file; |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Automatically sets the Last-Modified header according the file modification date. |
| 129 | */ |
| 130 | public function setAutoLastModified() |
| 131 | { |
| 132 | $this->setLastModified(\DateTime::createFromFormat('U', $this->file->getMTime())); |
| 133 | |
| 134 | return $this; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Automatically sets the ETag header according to the checksum of the file. |
| 139 | */ |
| 140 | public function setAutoEtag() |
| 141 | { |
| 142 | $this->setEtag(base64_encode(hash_file('sha256', $this->file->getPathname(), true))); |
| 143 | |
| 144 | return $this; |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * Sets the Content-Disposition header with the given filename. |
| 149 | * |
| 150 | * @param string $disposition ResponseHeaderBag::DISPOSITION_INLINE or ResponseHeaderBag::DISPOSITION_ATTACHMENT |
| 151 | * @param string $filename Optionally use this UTF-8 encoded filename instead of the real name of the file |
| 152 | * @param string $filenameFallback A fallback filename, containing only ASCII characters. Defaults to an automatically encoded filename |
| 153 | * |
| 154 | * @return $this |
| 155 | */ |
| 156 | public function setContentDisposition($disposition, $filename = '', $filenameFallback = '') |
| 157 | { |
| 158 | if ('' === $filename) { |
| 159 | $filename = $this->file->getFilename(); |
| 160 | } |
| 161 | |
| 162 | if ('' === $filenameFallback && (!preg_match('/^[\x20-\x7e]*$/', $filename) || false !== strpos($filename, '%'))) { |
| 163 | $encoding = mb_detect_encoding($filename, null, true) ?: '8bit'; |
| 164 | |
| 165 | for ($i = 0, $filenameLength = mb_strlen($filename, $encoding); $i < $filenameLength; ++$i) { |
| 166 | $char = mb_substr($filename, $i, 1, $encoding); |
| 167 | |
| 168 | if ('%' === $char || \ord($char) < 32 || \ord($char) > 126) { |
| 169 | $filenameFallback .= '_'; |
| 170 | } else { |
| 171 | $filenameFallback .= $char; |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | $dispositionHeader = $this->headers->makeDisposition($disposition, $filename, $filenameFallback); |
| 177 | $this->headers->set('Content-Disposition', $dispositionHeader); |
| 178 | |
| 179 | return $this; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * {@inheritdoc} |
| 184 | */ |
| 185 | public function prepare(Request $request) |
| 186 | { |
| 187 | if (!$this->headers->has('Content-Type')) { |
| 188 | $this->headers->set('Content-Type', $this->file->getMimeType() ?: 'application/octet-stream'); |
| 189 | } |
| 190 | |
| 191 | if ('HTTP/1.0' !== $request->server->get('SERVER_PROTOCOL')) { |
| 192 | $this->setProtocolVersion('1.1'); |
| 193 | } |
| 194 | |
| 195 | $this->ensureIEOverSSLCompatibility($request); |
| 196 | |
| 197 | $this->offset = 0; |
| 198 | $this->maxlen = -1; |
| 199 | |
| 200 | if (false === $fileSize = $this->file->getSize()) { |
| 201 | return $this; |
| 202 | } |
| 203 | $this->headers->set('Content-Length', $fileSize); |
| 204 | |
| 205 | if (!$this->headers->has('Accept-Ranges')) { |
| 206 | // Only accept ranges on safe HTTP methods |
| 207 | $this->headers->set('Accept-Ranges', $request->isMethodSafe(false) ? 'bytes' : 'none'); |
| 208 | } |
| 209 | |
| 210 | if (self::$trustXSendfileTypeHeader && $request->headers->has('X-Sendfile-Type')) { |
| 211 | // Use X-Sendfile, do not send any content. |
| 212 | $type = $request->headers->get('X-Sendfile-Type'); |
| 213 | $path = $this->file->getRealPath(); |
| 214 | // Fall back to scheme://path for stream wrapped locations. |
| 215 | if (false === $path) { |
| 216 | $path = $this->file->getPathname(); |
| 217 | } |
| 218 | if ('x-accel-redirect' === strtolower($type)) { |
| 219 | // Do X-Accel-Mapping substitutions. |
| 220 | // @link https://www.nginx.com/resources/wiki/start/topics/examples/x-accel/#x-accel-redirect |
| 221 | foreach (explode(',', $request->headers->get('X-Accel-Mapping', '')) as $mapping) { |
| 222 | $mapping = explode('=', $mapping, 2); |
| 223 | |
| 224 | if (2 === \count($mapping)) { |
| 225 | $pathPrefix = trim($mapping[0]); |
| 226 | $location = trim($mapping[1]); |
| 227 | |
| 228 | if (substr($path, 0, \strlen($pathPrefix)) === $pathPrefix) { |
| 229 | $path = $location.substr($path, \strlen($pathPrefix)); |
| 230 | // Only set X-Accel-Redirect header if a valid URI can be produced |
| 231 | // as nginx does not serve arbitrary file paths. |
| 232 | $this->headers->set($type, $path); |
| 233 | $this->maxlen = 0; |
| 234 | break; |
| 235 | } |
| 236 | } |
| 237 | } |
| 238 | } else { |
| 239 | $this->headers->set($type, $path); |
| 240 | $this->maxlen = 0; |
| 241 | } |
| 242 | } elseif ($request->headers->has('Range') && $request->isMethod('GET')) { |
| 243 | // Process the range headers. |
| 244 | if (!$request->headers->has('If-Range') || $this->hasValidIfRangeHeader($request->headers->get('If-Range'))) { |
| 245 | $range = $request->headers->get('Range'); |
| 246 | |
| 247 | if (0 === strpos($range, 'bytes=')) { |
| 248 | list($start, $end) = explode('-', substr($range, 6), 2) + [0]; |
| 249 | |
| 250 | $end = ('' === $end) ? $fileSize - 1 : (int) $end; |
| 251 | |
| 252 | if ('' === $start) { |
| 253 | $start = $fileSize - $end; |
| 254 | $end = $fileSize - 1; |
| 255 | } else { |
| 256 | $start = (int) $start; |
| 257 | } |
| 258 | |
| 259 | if ($start <= $end) { |
| 260 | $end = min($end, $fileSize - 1); |
| 261 | if ($start < 0 || $start > $end) { |
| 262 | $this->setStatusCode(416); |
| 263 | $this->headers->set('Content-Range', sprintf('bytes */%s', $fileSize)); |
| 264 | } elseif ($end - $start < $fileSize - 1) { |
| 265 | $this->maxlen = $end < $fileSize ? $end - $start + 1 : -1; |
| 266 | $this->offset = $start; |
| 267 | |
| 268 | $this->setStatusCode(206); |
| 269 | $this->headers->set('Content-Range', sprintf('bytes %s-%s/%s', $start, $end, $fileSize)); |
| 270 | $this->headers->set('Content-Length', $end - $start + 1); |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | return $this; |
| 278 | } |
| 279 | |
| 280 | private function hasValidIfRangeHeader($header) |
| 281 | { |
| 282 | if ($this->getEtag() === $header) { |
| 283 | return true; |
| 284 | } |
| 285 | |
| 286 | if (null === $lastModified = $this->getLastModified()) { |
| 287 | return false; |
| 288 | } |
| 289 | |
| 290 | return $lastModified->format('D, d M Y H:i:s').' GMT' === $header; |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Sends the file. |
| 295 | * |
| 296 | * {@inheritdoc} |
| 297 | */ |
| 298 | public function sendContent() |
| 299 | { |
| 300 | if (!$this->isSuccessful()) { |
| 301 | return parent::sendContent(); |
| 302 | } |
| 303 | |
| 304 | if (0 === $this->maxlen) { |
| 305 | return $this; |
| 306 | } |
| 307 | |
| 308 | $out = fopen('php://output', 'wb'); |
| 309 | $file = fopen($this->file->getPathname(), 'rb'); |
| 310 | |
| 311 | stream_copy_to_stream($file, $out, $this->maxlen, $this->offset); |
| 312 | |
| 313 | fclose($out); |
| 314 | fclose($file); |
| 315 | |
| 316 | if ($this->deleteFileAfterSend && file_exists($this->file->getPathname())) { |
| 317 | unlink($this->file->getPathname()); |
| 318 | } |
| 319 | |
| 320 | return $this; |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * {@inheritdoc} |
| 325 | * |
| 326 | * @throws \LogicException when the content is not null |
| 327 | */ |
| 328 | public function setContent($content) |
| 329 | { |
| 330 | if (null !== $content) { |
| 331 | throw new \LogicException('The content cannot be set on a BinaryFileResponse instance.'); |
| 332 | } |
| 333 | |
| 334 | return $this; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * {@inheritdoc} |
| 339 | */ |
| 340 | public function getContent() |
| 341 | { |
| 342 | return false; |
| 343 | } |
| 344 | |
| 345 | /** |
| 346 | * Trust X-Sendfile-Type header. |
| 347 | */ |
| 348 | public static function trustXSendfileTypeHeader() |
| 349 | { |
| 350 | self::$trustXSendfileTypeHeader = true; |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * If this is set to true, the file will be unlinked after the request is sent |
| 355 | * Note: If the X-Sendfile header is used, the deleteFileAfterSend setting will not be used. |
| 356 | * |
| 357 | * @param bool $shouldDelete |
| 358 | * |
| 359 | * @return $this |
| 360 | */ |
| 361 | public function deleteFileAfterSend($shouldDelete) |
| 362 | { |
| 363 | $this->deleteFileAfterSend = $shouldDelete; |
| 364 | |
| 365 | return $this; |
| 366 | } |
| 367 | } |
| 368 |