[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  final class AphrontFileResponse extends AphrontResponse {
   4  
   5    private $content;
   6    private $mimeType;
   7    private $download;
   8    private $rangeMin;
   9    private $rangeMax;
  10    private $allowOrigins = array();
  11  
  12    public function addAllowOrigin($origin) {
  13      $this->allowOrigins[] = $origin;
  14      return $this;
  15    }
  16  
  17    public function setDownload($download) {
  18      $download = preg_replace('/[^A-Za-z0-9_.-]/', '_', $download);
  19      if (!strlen($download)) {
  20        $download = 'untitled_document.txt';
  21      }
  22      $this->download = $download;
  23      return $this;
  24    }
  25  
  26    public function getDownload() {
  27      return $this->download;
  28    }
  29  
  30    public function setMimeType($mime_type) {
  31      $this->mimeType = $mime_type;
  32      return $this;
  33    }
  34  
  35    public function getMimeType() {
  36      return $this->mimeType;
  37    }
  38  
  39    public function setContent($content) {
  40      $this->content = $content;
  41      return $this;
  42    }
  43  
  44    public function buildResponseString() {
  45      if ($this->rangeMin || $this->rangeMax) {
  46        $length = ($this->rangeMax - $this->rangeMin) + 1;
  47        return substr($this->content, $this->rangeMin, $length);
  48      } else {
  49        return $this->content;
  50      }
  51    }
  52  
  53    public function setRange($min, $max) {
  54      $this->rangeMin = $min;
  55      $this->rangeMax = $max;
  56      return $this;
  57    }
  58  
  59    public function getHeaders() {
  60      $headers = array(
  61        array('Content-Type', $this->getMimeType()),
  62        array('Content-Length', strlen($this->buildResponseString())),
  63      );
  64  
  65      if ($this->rangeMin || $this->rangeMax) {
  66        $len = strlen($this->content);
  67        $min = $this->rangeMin;
  68        $max = $this->rangeMax;
  69        $headers[] = array('Content-Range', "bytes {$min}-{$max}/{$len}");
  70      }
  71  
  72      if (strlen($this->getDownload())) {
  73        $headers[] = array('X-Download-Options', 'noopen');
  74  
  75        $filename = $this->getDownload();
  76        $headers[] = array(
  77          'Content-Disposition',
  78          'attachment; filename='.$filename,
  79        );
  80      }
  81  
  82      if ($this->allowOrigins) {
  83        $headers[] = array(
  84          'Access-Control-Allow-Origin',
  85          implode(',', $this->allowOrigins),
  86        );
  87      }
  88  
  89      $headers = array_merge(parent::getHeaders(), $headers);
  90      return $headers;
  91    }
  92  
  93  }