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Added support for HTTP ranges (= .webm + seeking)

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rr- 2015-12-30 20:08:16 +01:00
parent 965f772515
commit 0eabc4ed41
1 changed files with 66 additions and 9 deletions
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75
src/Services/NetworkingService.php
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@ -22,20 +22,17 @@ class NetworkingService
$lastModified = filemtime($fullPath);
$eTag = md5($fullPath . $lastModified);
$ifModifiedSince = isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])
? $_SERVER['HTTP_IF_MODIFIED_SINCE']
: false;
$eTagHeader = isset($_SERVER['HTTP_IF_NONE_MATCH'])
? trim($_SERVER['HTTP_IF_NONE_MATCH'], "\" \t\r\n")
: null;
$ifModifiedSince = $this->httpHelper->getRequestHeader('HTTP_IF_MODIFIED_SINCE');
$eTagHeader = trim($this->httpHelper->getRequestHeader('HTTP_IF_NONE_MATCH'), "\" \t\r\n");
$this->httpHelper->setHeader('ETag', '"' . $eTag . '"');
$this->httpHelper->setHeader('Last-Modified', gmdate('D, d M Y H:i:s \G\M\T', $lastModified));
$this->httpHelper->setHeader('Pragma', 'public');
$this->httpHelper->setHeader('Cache-Control', 'public, max-age=' . $secondsToLive);
$this->httpHelper->setHeader('Expires', gmdate('D, d M Y H:i:s \G\M\T', time() + $secondsToLive));
$this->httpHelper->setHeader('Content-Transfer-Encoding', 'binary');
$this->httpHelper->setHeader('Content-Type', MimeHelper::getMimeTypeFromFile($fullPath));
$this->httpHelper->setHeader('Accept-Ranges', 'bytes');
if ($customFileName)
$this->httpHelper->setHeader('Content-Disposition', 'inline; filename="' . $customFileName . '"');
@ -43,11 +40,71 @@ class NetworkingService
if (strtotime($ifModifiedSince) === $lastModified || $eTagHeader === $eTag)
{
$this->httpHelper->setResponseCode(304);
exit;
}
$fileSize = filesize($fullPath);
$range = $this->httpHelper->getRequestHeader('HTTP_RANGE');
if (!$range)
{
$this->httpHelper->setHeader('Content-Length', $fileSize);
$this->httpHelper->setResponseCode(200);
readfile($fullPath);
}
list ($param, $range) = explode('=', $range);
if (strtolower(trim($param)) !== 'bytes')
{
$this->httpHelper->setResponseCode(400);
exit;
}
$range = explode(',', $range);
$range = explode('-', $range[0]);
if (count($range) != 2)
{
$this->httpHelper->setResponseCode(400);
exit;
}
if ($range[0] === '')
{
$end = $fileSize - 1;
$start = $end - intval($range[0]);
}
else if ($range[1] === '')
{
$start = intval($range[0]);
$end = $fileSize - 1;
}
else
{
$this->httpHelper->setResponseCode(200);
readfile($fullPath);
$start = intval($range[0]);
$end = intval($range[1]);
if ($end >= $fileSize || (!$start && (!$end || $end == ($fileSize - 1))))
{
$this->httpHelper->setHeader('Content-Length', $fileSize);
$this->httpHelper->setResponseCode(200);
readfile($fullPath);
}
}
$length = $end - $start + 1;
$this->httpHelper->setResponseCode(206);
$this->httpHelper->setHeader('Content-Range', sprintf('bytes %d-%d/%d', $start, $end, $fileSize));
$fp = fopen($file, 'rb');
try
{
if ($start)
fseek($fp, $start);
while ($length)
{
$read = ($length > 8192) ? 8192 : $length;
$length -= $read;
$this->httpHelper->output(fread($fp,$read));
}
}
finally
{
fclose($fp);
}
exit;
}