43 lines
1.1 KiB
PHP
43 lines
1.1 KiB
PHP
<?php
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session_cache_limiter("private_no_expire");
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if (!session_id()) { session_start(); }
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$filename = null;
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if (isset($_GET))
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{
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$image = $_SESSION[$_GET["img"]];
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if (isset($_GET["filename"]))
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$filename = $_GET["filename"];
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}
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else
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{
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$image = $HTTP_SESSION_VARS[$HTTP_GET_VARS["img"]];
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if (isset($HTTP_GET_VARS["filename"]))
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$filename = $HTTP_GET_VARS["filename"];
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}
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$contentType = "text/html; charset=utf-8";
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if (strlen($image) >= 3)
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{
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$c0 = ord($image[0]);
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$c1 = ord($image[1]);
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$c2 = ord($image[2]);
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if (($c0 == 0x47) && ($c1 == 0x49))
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$contentType = "image/gif";
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else if (($c1 == 0x50) && ($c2 == 0x4e))
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$contentType = "image/png";
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else if (($c0 == 0x42) && ($c1 == 0x4d))
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$contentType = "image/bmp";
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else if (($c0 == 0xff) && ($c1 == 0xd8))
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$contentType = "image/jpeg";
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else if (($c0 == 0) && ($c1 == 0))
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$contentType = "image/vnd.wap.wbmp";
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else if (($c0 == 0x1f) && ($c1 == 0x8b))
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header("Content-Encoding: gzip");
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}
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header("Content-type: $contentType");
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if ($filename != null)
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header("Content-Disposition: inline; filename=$filename");
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print $image;
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?>
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