<?php

function rl_split() {

global $PHP_SELF, $list, $options;

?>

<form method="post" action="<?php echo $PHP_SELF; ?>">

<input type="hidden" name="act" value="split_go" />

<table align="center">

<tr>

<td>

<table>

<?php

for ($i = 0; $i < count($_GET['files']); $i++) {

$file = $list[$_GET['files'][$i]];

?>

<tr>

<td align="center">

<input type="hidden" name="files[]" value="<?php echo $_GET['files'][$i]; ?>" /> <b><?php echo basename($file['name']); ?></b>

</td>

</tr>

<tr>

<td><?php echo lang(143); ?>:&nbsp;<input type="number" step="any" min="1" name="partSize[]" size="6" value="<?php echo ((!empty($_COOKIE['partSize']) && is_numeric($_COOKIE['partSize'])) ? max(1, $_COOKIE['partSize']) : 10); ?>" />&nbsp;MB

</td>

</tr>

<?php

if ($options['download_dir_is_changeable']) {

?>

<tr>

<td><?php echo lang(40); ?>:&nbsp;<input type="text" name="saveTo[]" size="40" value="<?php echo htmlspecialchars(DOWNLOAD_DIR, ENT_QUOTES); ?>" /></td>

</tr>

<?php

}

?>

<tr>

<td><input type="checkbox" name="del_ok" <?php echo $options['disable_deleting'] ? 'disabled="disabled"' : 'checked="checked"'; ?> />&nbsp;<?php echo lang(203); ?></td>

</tr>

<tr>

<td align="left">CRC32 generation mode:<br />

<?php

if (function_exists('hash_file')) echo '<input type="radio" name="crc_mode['.$i.']" value="hash_file" checked="checked" />&nbsp;'.lang(172).'<br />';

?>

<input type="radio" name="crc_mode[<?php echo $i; ?>]" value="fake" <?php if (!function_exists('hash_file')) echo ' checked="checked"'; ?> />&nbsp;<?php echo lang(174); ?></td>

</tr>

<tr>

<td></td>

</tr>

<?php

}

?>

</table>

</td>

<td><input type="submit" value="<?php echo lang(290); ?>" /></td>

</tr>

<tr>

<td></td>

</tr>

</table>

</form>

<?php

}

function split_go() {

global $list, $options;

for ($i = 0; $i < count($_POST['files']); $i++) {

$split_ok = true;

$file = $list[$_POST['files'][$i]];

$partSize = round($_POST['partSize'][$i] * 1048576);

$saveTo = ($options['download_dir_is_changeable'] ? stripslashes($_POST['saveTo'][$i]) : realpath(DOWNLOAD_DIR) . '/');

if (substr($saveTo, -1) != '/') $saveTo .= '/';

$dest_name = basename($file['name']);

$fileSize = filesize($file['name']);

$totalParts = ceil($fileSize / $partSize);

if ($partSize < 1048576 || $totalParts < 2) {

echo 'Invalid part size, or higher than filesize.<br /><br />';

continue;

}

$crc = (($_POST['crc_mode'][$i] == 'hash_file' && function_exists('hash_file')) ? strtoupper(hash_file('crc32b', $file['name'])) : '111111');

echo "Started to split file <b>$dest_name</b> parts of " . bytesToKbOrMbOrGb($partSize) . ", Using Method - Total Commander...<br />";

echo "Total Parts: <b>$totalParts</b><br /><br />";

for($j = 1; $j <= $totalParts; $j++) {

if (file_exists("$saveTo$dest_name." . sprintf('%03d', $j))) {

echo "It is not possible to split the file. A piece already exists <b>$dest_name." . sprintf('%03d', $j) . '</b> !<br /><br />';

continue 2;

}

}

if (file_exists("$saveTo$dest_name.crc")) echo "It is not possible to split the file. CRC file already exists <b>$dest_name.crc</b> !<br /><br />";

elseif (!is_file($file['name'])) echo "It is not possible to split the file. Source file not found <b>{$file['name']}</b> !<br /><br />";

elseif (!is_dir($saveTo)) echo "It is not possible to split the file. Directory doesn't exist<b>$saveTo</b> !<br /><br />";

elseif (!@write_file("$saveTo$dest_name.crc", "filename=$dest_name\r\nsize=$fileSize\r\ncrc32=$crc\r\n")) echo "It is not possible to split the file. CRC Error<b>$dest_name.crc" . "</b> !<br /><br />";

else {

$time = filemtime("$saveTo$dest_name.crc");

while (isset($list[$time])) $time++;

$list[$time] = array('name' => realpath("$saveTo$dest_name.crc"), 'size' => bytesToKbOrMbOrGb(filesize("$saveTo$dest_name.crc")), 'date' => $time);

$split_buffer_size = 2097152;

$split_source = @fopen($file['name'], 'rb');

if (!$split_source) {

echo "It is not possible to open source file <b>{$file['name']}</b> !<br /><br />";

continue;

}

for($j = 1; $j <= $totalParts; $j++) {

$part = sprintf('%03d', $j);

$part_name = "$dest_name.$part";

$dest_file = $saveTo . $part_name;

$split_dest = @fopen($dest_file, 'wb');

if (!$split_dest) {

echo "Error openning file <b>$part_name</b> !<br /><br />";

$split_ok = false;

break;

}

$split_write_times = floor($partSize / $split_buffer_size);

for($k = 0; $k < $split_write_times; $k++) {

$split_buffer = fread($split_source, $split_buffer_size);

$split_written = fwrite($split_dest, $split_buffer);

if ($split_written === false || $split_written != strlen($split_buffer)) {

echo "Error writing the file <b>$part_name</b> !<br /><br />";

$split_ok = false;

break;

}

}

$split_rest = $partSize - ($split_write_times * $split_buffer_size);

if ($split_ok && $split_rest > 0) {

$split_buffer = fread($split_source, $split_rest);

$split_written = fwrite($split_dest, $split_buffer);

if ($split_written === false || $split_written != strlen($split_buffer)) {

echo "Error writing the file <b>$part_name</b> !<br /><br />";

$split_ok = false;

}

}

fclose($split_dest);

if ($split_ok) {

$time = filemtime($dest_file);

while (isset($list[$time])) $time++;

$list[$time] = array('name' => realpath($dest_file), 'size' => bytesToKbOrMbOrGb(filesize($dest_file)), 'date' => $time);

}

}

fclose($split_source);

if ($split_ok && !empty($_POST['del_ok']) && !$options['disable_deleting']) {

if (@unlink($file['name'])) {

unset($list[$_POST['files'][$i]]);

echo 'Source file deleted.<br /><br />';

} else echo 'Source file is<b>not deleted!</b><br /><br />';

}

if (!updateListInFile($list)) echo "Couldn't update file list. Problem writing to file!<br /><br />";

}

}

}

?>