Services/Http/HttpResponse.php

   1 <?php
   2
   3 namespace Services\Http;
   4
   5 use Services\Http\IHttpResponse;
   6 use Exception;
   7
   8 class HttpResponse implements IHttpResponse
   9 {
  10     private $_statusCode = 200;
  11     private $_headers = array();
  12     private $_body;
  13     private $_isRedirect = false;
  14
  15     public function setStatusCode($code)
  16     {
  17         if(!is_int($code) || (100 > $code) || (599 < $code)) {
  18             throw new Exception(sprintf('Invalid HTTP response code, %u', $code));
  19         }
  20
  21         $this->_isRedirect = (300 <= $code) && (307 >= $code);
  22         $this->_statusCode = $code;
  23
  24         return $this;
  25     }
  26
  27     public function isRedirect()
  28     {
  29         return $this->_isRedirect;
  30     }
  31
  32     public function setHeader($name, $value)
  33     {
  34         $value = (string) $value;
  35
  36         $this->_headers[$name] = $value;
  37
  38         return $this;
  39     }
  40
  41     public function getHeaders()
  42     {
  43         return $this->_headers;
  44     }
  45
  46     private function sendHeaders()
  47     {
  48         $statusCodeSent = false;
  49
  50         if(!count($this->_headers)) {
  51             return $this;
  52         }
  53
  54         foreach($this->_headers as $headerName => $headerValue) {
  55             if(!$statusCodeSent) {
  56                 header(
  57                     sprintf('%s: %s', $headerName, $headerValue),
  58                     false,
  59                     $this->_statusCode);
  60
  61                 $statusCodeSent = true;
  62             } else {
  63                 header(
  64                     sprintf('%s: %s', $headerName, $headerValue));
  65             }
  66         }
  67
  68         return $this;
  69     }
  70
  71     public function setBody($content)
  72     {
  73         $this->_body = $content;
  74
  75         return $this;
  76     }
  77
  78     public function getBody()
  79     {
  80         return $this->_body;
  81     }
  82
  83
  84     private function sendBody()
  85     {
  86         echo $this->_body;
  87
  88         return $this;
  89     }
  90
  91     public function sendResponse()
  92     {
  93         $this->sendHeaders()
  94              ->sendBody();
  95     }
  96
  97     public function download($path)
  98     {
  99         $this->sendResponse();
 100         $fd = fopen($path, 'r');
 101         if(!$fd) throw new Exception ('Failed to open file.');
 102
 103         while(!feof($fd)) {
 104             $buffer = fread($fd, 2048);
 105             print $buffer;
 106         }
 107         fclose ($fd);
 108
 109         exit();
 110     }
 111 }