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Issue #12 Moved Downloads code out of request.php and into it's own requester. Corrected download class issue.

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This commit is contained in:
Cameron
2013-02-23 12:39:58 -08:00
parent b6f45d838b
commit 71b71d42b4
4 changed files with 510 additions and 489 deletions
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109
e107_handlers/file_class.php
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@@ -546,7 +546,114 @@ class e_file
/**
* File retrieval function. by Cam.
* @param $file actual path or {e_} path to file.
*
*/
function send($file)
{
global $e107;
$pref = e107::getPref();
$tp = e107::getParser();
$DOWNLOADS_DIRECTORY = e_BASE.e107::getFolder('DOWNLOADS');
$FILES_DIRECTORY = e_BASE.e107::getFolder('FILES');
$MEDIA_DIRECTORY = realpath(e_MEDIA_FILE);
$file = $tp->replaceConstants($file);
@set_time_limit(10 * 60);
@session_write_close();
@e107_ini_set("max_execution_time", 10 * 60);
while (@ob_end_clean()); // kill all output buffering else it eats server resources
@ob_implicit_flush(TRUE);
$filename = $file;
$file = basename($file);
$path = realpath($filename);
$path_downloads = realpath($DOWNLOADS_DIRECTORY);
$path_public = realpath($FILES_DIRECTORY."public/");
if(!strstr($path, $path_downloads) && !strstr($path,$path_public) && !strstr($path, $MEDIA_DIRECTORY))
{
if(E107_DEBUG_LEVEL > 0 && ADMIN)
{
echo "Failed to Download <b>".$file."</b><br />";
echo "The file-path <b>".$path."<b> didn't match with either <b>{$path_downloads}</b> or <b>{$path_public}</b><br />";
echo "Downloads Path: ".$path_downloads. " (".$DOWNLOADS_DIRECTORY.")";
exit();
}
else
{
header("location: {$e107->base_path}");
exit();
}
}
else
{
if (is_file($filename) && is_readable($filename) && connection_status() == 0)
{
$seek = 0;
if (strstr($_SERVER['HTTP_USER_AGENT'], "MSIE"))
{
$file = preg_replace('/\./', '%2e', $file, substr_count($file, '.') - 1);
}
if (isset($_SERVER['HTTP_RANGE']))
{
$seek = intval(substr($_SERVER['HTTP_RANGE'] , strlen('bytes=')));
}
$bufsize = 2048;
ignore_user_abort(true);
$data_len = filesize($filename);
if ($seek > ($data_len - 1)) { $seek = 0; }
if ($filename == null) { $filename = basename($this->data); }
$res =& fopen($filename, 'rb');
if ($seek)
{
fseek($res , $seek);
}
$data_len -= $seek;
header("Expires: 0");
header("Cache-Control: max-age=30" );
header("Content-Type: application/force-download");
header("Content-Disposition: attachment; filename=\"{$file}\"");
header("Content-Length: {$data_len}");
header("Pragma: public");
if ($seek)
{
header("Accept-Ranges: bytes");
header("HTTP/1.0 206 Partial Content");
header("status: 206 Partial Content");
header("Content-Range: bytes {$seek}-".($data_len - 1)."/{$data_len}");
}
while (!connection_aborted() && $data_len > 0)
{
echo fread($res , $bufsize);
$data_len -= $bufsize;
}
fclose($res);
}
else
{
if(E107_DEBUG_LEVEL > 0 && ADMIN)
{
echo "file failed =".$file."<br />";
echo "path =".$path."<br />";
exit();
}
else
{
header("location: ".e_BASE."index.php");
exit();
}
}
}
}