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AphrontFileResponse.php
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Mon, Mar 10, 06:56

AphrontFileResponse.php
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<?php
final class AphrontFileResponse extends AphrontResponse {
private $content;
private $mimeType;
private $download;
private $rangeMin;
private $rangeMax;
private $allowOrigins = array();
public function addAllowOrigin($origin) {
$this->allowOrigins[] = $origin;
return $this;
}
public function setDownload($download) {
$download = preg_replace('/[^A-Za-z0-9_.-]/', '_', $download);
if (!strlen($download)) {
$download = 'untitled_document.txt';
}
$this->download = $download;
return $this;
}
public function getDownload() {
return $this->download;
}
public function setMimeType($mime_type) {
$this->mimeType = $mime_type;
return $this;
}
public function getMimeType() {
return $this->mimeType;
}
public function setContent($content) {
$this->content = $content;
return $this;
}
public function buildResponseString() {
if ($this->rangeMin || $this->rangeMax) {
$length = ($this->rangeMax - $this->rangeMin) + 1;
return substr($this->content, $this->rangeMin, $length);
} else {
return $this->content;
}
}
public function setRange($min, $max) {
$this->rangeMin = $min;
$this->rangeMax = $max;
return $this;
}
public function getHeaders() {
$headers = array(
array('Content-Type', $this->getMimeType()),
array('Content-Length', strlen($this->buildResponseString())),
);
if ($this->rangeMin || $this->rangeMax) {
$len = strlen($this->content);
$min = $this->rangeMin;
$max = $this->rangeMax;
$headers[] = array('Content-Range', "bytes {$min}-{$max}/{$len}");
}
if (strlen($this->getDownload())) {
$headers[] = array('X-Download-Options', 'noopen');
$filename = $this->getDownload();
$headers[] = array(
'Content-Disposition',
'attachment; filename='.$filename,
);
}
if ($this->allowOrigins) {
$headers[] = array(
'Access-Control-Allow-Origin',
implode(',', $this->allowOrigins));
}
$headers = array_merge(parent::getHeaders(), $headers);
return $headers;
}
}

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