denis/download_big_files
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Обновить download.php

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denis
2026-05-25 14:02:36 +00:00
parent 904799f591
commit 70ee8ac2a4
1 changed files with 54 additions and 42 deletions
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46
download.php
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@@ -3,44 +3,56 @@ ini_set('display_errors', 1);
ini_set('display_startup_errors', 1); ini_set('display_startup_errors', 1);
error_reporting(E_ALL); error_reporting(E_ALL);
// Ваш путь до файла
$pathToBigVideoFile = __DIR__ . '/uploads/DSC_4170.MOV';
if(!file_exists($pathToBigVideoFile)) { /***
die("Файл не найден {$pathToBigVideoFile}"); *
* Загрузка файла частями
*
*/
public function downloadBigFile($filename){
}
$fileSize = filesize($pathToBigVideoFile);
$mimetype="application/x-rar-compressed"; $mimetype="application/x-rar-compressed";
$filename = $pathToBigVideoFile; if (!file_exists($filename))
if (!file_exists($filename)) die('Файл не найден'); die('Файл не найден:'.$filename);
$from=$to=0; $cr=NULL;
if (isset($_SERVER['HTTP_RANGE'])) {$range=substr($_SERVER['HTTP_RANGE'], strpos($_SERVER['HTTP_RANGE'], '=')+1); $from=$to=0;
$cr=NULL;
if (isset($_SERVER['HTTP_RANGE'])) {
$range=substr($_SERVER['HTTP_RANGE'], strpos($_SERVER['HTTP_RANGE'], '=')+1);
$from=strtok($range, '-');$to=strtok('/'); $from=strtok($range, '-');$to=strtok('/');
if ($to>0) $to++; if ($to>0) $to++;
if ($to) $to-=$from;header('HTTP/1.1 206 Partial Content'); if ($to) $to-=$from;header('HTTP/1.1 206 Partial Content');
$cr='Content-Range: bytes ' . $from . '-' . (($to)?($to . '/' . $to+1):filesize($filename)); $cr='Content-Range: bytes ' . $from . '-' . (($to)?($to . '/' . $to+1):filesize($filename));
} else header('HTTP/1.1 200 Ok'); } else
header('HTTP/1.1 200 Ok');
$etag=md5($filename); $etag=md5($filename);
$etag=substr($etag, 0, 8) . '-' . substr($etag, 8, 7) . '-' . substr($etag, 15, 8); $etag=substr($etag, 0, 8) . '-' . substr($etag, 8, 7) . '-' . substr($etag, 15, 8);
header('ETag: "' . $etag . '"'); header('ETag: "' . $etag . '"');
header('Accept-Ranges: bytes'); header('Accept-Ranges: bytes');
header('Content-Length: ' . (filesize($filename)-$to+$from)); header('Content-Length: ' . (filesize($filename)-$to+$from));
if ($cr) header($cr); if ($cr)
header($cr);
header('Connection: close'); header('Connection: close');
header('Content-Type: ' . $mimetype); header('Content-Type: ' . $mimetype);
header('Last-Modified: ' . gmdate('r', filemtime($filename))); header('Last-Modified: ' . gmdate('r', filemtime($filename)));
$f=fopen($filename, 'r'); $f=fopen($filename, 'r');
header('Content-Disposition: attachment; filename="' . basename($filename) . '";'); header('Content-Disposition: attachment; filename="' . basename($filename) . '";');
if ($from) fseek($f, $from, SEEK_SET); if ($from)
if (!isset($to) or empty($to)) {$size=filesize($filename)-$from; fseek($f, $from, SEEK_SET);
} else {$size=$to; if (!isset($to) or empty($to)) {
$size=filesize($filename)-$from;
} else {
$size=$to;
} }
$downloaded = 0; $downloaded = 0;
while( (!feof($f)) && (connection_status()==0) && ($downloaded < $size) ) { while( (!feof($f)) && (connection_status()==0) && ($downloaded < $size) ) {
$block = min(1024*8, $size - $downloaded); $block = min(1024*8, $size - $downloaded);
print(fread($f, $block)); print(fread($f, $block));
$downloaded += $block; $downloaded += $block;
@@ -48,4 +60,4 @@ flush();
} }
fclose($f); fclose($f);
exit; }