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Fixes issue #276: support range request for sending content as a file.

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This commit is contained in:
Qiang Xue
2013-06-11 15:17:13 -04:00
parent 1a7f5f58bc
commit d7cb4ce97c
1 changed files with 23 additions and 16 deletions
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39
framework/yii/web/Response.php
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@@ -204,17 +204,12 @@ class Response extends \yii\base\Response
{
$this->sendHeaders();
$this->sendContent();
if (function_exists('fastcgi_finish_request')) {
fastcgi_finish_request();
} else {
for ($level = ob_get_level(); $level > 0; --$level) {
if (!@ob_end_flush()) {
ob_clean();
}
for ($level = ob_get_level(); $level > 0; --$level) {
if (!@ob_end_flush()) {
ob_clean();
}
flush();
}
flush();
}
public function reset()
@@ -306,8 +301,15 @@ class Response extends \yii\base\Response
*/
public function sendContentAsFile($content, $attachmentName, $mimeType = 'application/octet-stream')
{
$this->getHeaders()
->addDefault('Pragma', 'public')
$headers = $this->getHeaders();
$contentLength = StringHelper::strlen($content);
$range = $this->getHttpRange($contentLength);
if ($range === false) {
$headers->set('Content-Range', "bytes */$contentLength");
throw new HttpException(416, Yii::t('yii', 'Requested range not satisfiable'));
}
$headers->addDefault('Pragma', 'public')
->addDefault('Accept-Ranges', 'bytes')
->addDefault('Expires', '0')
->addDefault('Content-Type', $mimeType)
@@ -316,7 +318,16 @@ class Response extends \yii\base\Response
->addDefault('Content-Length', StringHelper::strlen($content))
->addDefault('Content-Disposition', "attachment; filename=\"$attachmentName\"");
$this->content = $content;
list($begin, $end) = $range;
if ($begin !=0 || $end != $contentLength - 1) {
$this->setStatusCode(206);
$headers->set('Content-Range', "bytes $begin-$end/$contentLength");
$this->content = StringHelper::substr($content, $begin, $end - $begin + 1);
} else {
$this->setStatusCode(200);
$this->content = $content;
}
$this->send();
}
@@ -347,10 +358,6 @@ class Response extends \yii\base\Response
$this->setStatusCode(200);
}
if (isset($options['mimeType'])) {
$headers->set('Content-Type', $options['mimeType']);
}
$length = $end - $begin + 1;
$headers->addDefault('Pragma', 'public')