1: <?php
2:
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21: class FileResponse extends Object implements IPresenterResponse
22: {
23:
24: private $file;
25:
26:
27: private $contentType;
28:
29:
30: private $name;
31:
32:
33: public $resuming = TRUE;
34:
35:
36: 37: 38: 39: 40:
41: public function __construct($file, $name = NULL, $contentType = NULL)
42: {
43: if (!is_file($file)) {
44: throw new BadRequestException("File '$file' doesn't exist.");
45: }
46:
47: $this->file = $file;
48: $this->name = $name ? $name : basename($file);
49: $this->contentType = $contentType ? $contentType : 'application/octet-stream';
50: }
51:
52:
53:
54: 55: 56: 57:
58: final public function getFile()
59: {
60: return $this->file;
61: }
62:
63:
64:
65: 66: 67: 68:
69: final public function getName()
70: {
71: return $this->name;
72: }
73:
74:
75:
76: 77: 78: 79:
80: final public function getContentType()
81: {
82: return $this->contentType;
83: }
84:
85:
86:
87: 88: 89: 90:
91: public function send(IHttpRequest $httpRequest, IHttpResponse $httpResponse)
92: {
93: $httpResponse->setContentType($this->contentType);
94: $httpResponse->setHeader('Content-Disposition', 'attachment; filename="' . $this->name . '"');
95:
96: $filesize = $length = filesize($this->file);
97: $handle = fopen($this->file, 'r');
98:
99: if ($this->resuming) {
100: $httpResponse->setHeader('Accept-Ranges', 'bytes');
101: $range = $httpRequest->getHeader('Range');
102: if ($range !== NULL) {
103: $range = substr($range, 6);
104: list($start, $end) = explode('-', $range);
105: if ($start == NULL) {
106: $start = 0;
107: }
108: if ($end == NULL) {
109: $end = $filesize - 1;
110: }
111:
112: if ($start < 0 || $end <= $start || $end > $filesize -1) {
113: $httpResponse->setCode(416);
114: return;
115: }
116:
117: $httpResponse->setCode(206);
118: $httpResponse->setHeader('Content-Range', 'bytes ' . $start . '-' . $end . '/' . $filesize);
119: $length = $end - $start + 1;
120: fseek($handle, $start);
121:
122: } else {
123: $httpResponse->setHeader('Content-Range', 'bytes 0-' . ($filesize - 1) . '/' . $filesize);
124: }
125: }
126:
127: $httpResponse->setHeader('Content-Length', $length);
128: while (!feof($handle)) {
129: echo fread($handle, 4e6);
130: }
131: fclose($handle);
132: }
133:
134: }
135: