8000 Add check on If-Range header · symfony/symfony@aaad5bd · GitHub
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Benoît Burnichon
committed
Add check on If-Range header
Also verify edge case where no last-modified header is available
1 parent d8ad5a2 commit aaad5bd

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2 files changed

+64
-1
lines changed

2 files changed

+64
-1
lines changed

‎src/Symfony/Component/HttpFoundation/BinaryFileResponse.php

Lines changed: 14 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -220,7 +220,7 @@ public function prepare(Request $request)
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$this->maxlen = 0;
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} elseif ($request->headers->has('Range')) {
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// Process the range headers.
223-
if (!$request->headers->has('If-Range') || $this->getEtag() === $request->headers->get('If-Range')) {
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if (!$request->headers->has('If-Range') || $this->hasValidIfRangeHeader($request->headers->get('If-Range'))) {
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$range = $request->headers->get('Range');
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$fileSize = $this->file->getSize();
226226

@@ -253,6 +253,19 @@ public function prepare(Request $request)
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return $this;
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}
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256+
private function hasValidIfRangeHeader($header)
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{
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if ($this->getEtag() === $header) {
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return true;
260+
}
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262+
if (null === $lastModified = $this->getLastModified()) {
263+
return false;
264+
}
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return $lastModified->format('D, d M Y H:i:s').' GMT' === $header;
267+
}
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256269
/**
257270
* Sends the file.
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*

‎src/Symfony/Component/HttpFoundation/Tests/BinaryFileResponseTest.php

Lines changed: 50 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -80,6 +80,37 @@ public function testRequests($requestRange, $offset, $length, $responseRange)
8080
$this->assertEquals($responseRange, $response->headers->get('Content-Range'));
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}
8282

83+
/**
84+
* @dataProvider provideRanges
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*/
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public function testRequestsWithoutEtag($requestRange, $offset, $length, $responseRange)
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{
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$response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, array('Content-Type' => 'application/octet-stream'));
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// do a request to get the LastModified
91+
$request = Request::create('/');
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$response->prepare($request);
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$lastModified = $response->headers->get('Last-Modified');
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95+
// prepare a request for a range of the testing file
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$request = Request::create('/');
97+
$request->headers->set('If-Range', $lastModified);
98+
$request->headers->set('Range', $requestRange);
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$file = fopen(__DIR__.'/File/Fixtures/test.gif', 'r');
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fseek($file, $offset);
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$data = fread($file, $length);
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fclose($file);
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$this->expectOutputString($data);
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$response = clone $response;
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$response->prepare($request);
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$response->sendContent();
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$this->assertEquals(206, $response->getStatusCode());
111+
$this->assertEquals($responseRange, $response->headers->get('Content-Range'));
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}
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83114
public function provideRanges()
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{
85116
return array(
@@ -91,6 +122,25 @@ public function provideRanges()
91122
);
92123
}
93124

125+
public function testRangeRequestsWithoutLastModifiedDate()
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{
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// prevent auto last modified
128+
$response = BinaryFileResponse::create(__DIR__.'/File/Fixtures/test.gif', 200, array('Content-Type' => 'application/octet-stream'), true, null, false, false);
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// prepare a request for a range of the testing file
131+
$request = Request::create('/');
132+
$request->headers->set('If-Range', date('D, d M Y H:i:s').' GMT');
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$request->headers->set('Range', 'bytes=1-4');
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$this->expectOutputString(file_get_contents(__DIR__.'/File/Fixtures/test.gif'));
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$response = clone $response;
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$response->prepare($request);
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$response->sendContent();
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140+
$this->assertEquals(200, $response->getStatusCode());
141+
$this->assertNull($response->headers->get('Content-Range'));
142+
}
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94144
/**
95145
* @dataProvider provideFullFileRanges
96146
*/

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