SimpleMachines /
SMF2.1
| @@ 209-220 (lines=12) @@ | ||
| 206 | } |
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| 207 | ||
| 208 | // If it hasn't been modified since the last time this attachment was retrieved, there's no need to display it again. |
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| 209 | if (!empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) |
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| 210 | { |
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| 211 | list($modified_since) = explode(';', $_SERVER['HTTP_IF_MODIFIED_SINCE']); |
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| 212 | if (strtotime($modified_since) >= filemtime($file['filePath'])) |
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| 213 | { |
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| 214 | ob_end_clean(); |
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| 215 | ||
| 216 | // Answer the question - no, it hasn't been modified ;). |
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| 217 | header('HTTP/1.1 304 Not Modified'); |
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| 218 | exit; |
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| 219 | } |
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| 220 | } |
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| 221 | ||
| 222 | // Check whether the ETag was sent back, and cache based on that... |
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| 223 | $eTag = '"' . substr($_REQUEST['attach'] . $file['filePath'] . filemtime($file['filePath']), 0, 64) . '"'; |
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| @@ 1630-1641 (lines=12) @@ | ||
| 1627 | } |
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| 1628 | ||
| 1629 | // If it hasn't been modified since the last time this attachment was retrieved, there's no need to display it again. |
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| 1630 | if (!empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) |
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| 1631 | { |
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| 1632 | list($modified_since) = explode(';', $_SERVER['HTTP_IF_MODIFIED_SINCE']); |
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| 1633 | if (strtotime($modified_since) >= filemtime($filename)) |
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| 1634 | { |
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| 1635 | ob_end_clean(); |
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| 1636 | ||
| 1637 | // Answer the question - no, it hasn't been modified ;). |
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| 1638 | header('HTTP/1.1 304 Not Modified'); |
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| 1639 | exit; |
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| 1640 | } |
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| 1641 | } |
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| 1642 | ||
| 1643 | // Check whether the ETag was sent back, and cache based on that... |
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| 1644 | $eTag = '"' . substr($_REQUEST['attach'] . $real_filename . filemtime($filename), 0, 64) . '"'; |
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