/classes/options/split.php

<?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="text" name="partSize[]"

							size="2"

							value="<?php echo ($_COOKIE ["partSize"] ? $_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 addslashes ( $options['download_dir'] ); ?>" /></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' )) {

?><input type="radio" name="crc_mode[<?php echo $i; ?>]"

							value="hash_file" checked="checked" />&nbsp;Use hash_file (Recommended)<br />

<?php

		}

?>

						<input type="radio"

							name="crc_mode[<?php echo $i; ?>]" value="file_read" />&nbsp;Read file to memory<br />

						<input type="radio" name="crc_mode[<?php echo $i; ?>]"

							value="fake"

<?php

			if (! function_exists ( 'hash_file' )) {

				echo ' checked="checked"';

			}

?> />&nbsp;Fake

						crc</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]) * 1024 * 1024 );

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

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

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

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

		$crc = ($_POST ['crc_mode'] [$i] == 'file_read') ? dechex ( crc32 ( read_file ( $file ["name"] ) ) ) : (($_POST ['crc_mode'] [$i] == 'hash_file' && function_exists ( 'hash_file' )) ? hash_file ( 'crc32b', $file ["name"] ) : '111111');

		$crc = str_repeat ( "0", 8 - strlen ( $crc ) ) . strtoupper ( $crc );

		echo "Started to split file <b>" . basename ( $file ["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\n" . "size=" . $fileSize . "\r\n" . "crc32=" . $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" => $saveTo . $dest_name . '.crc', "size" => bytesToKbOrMbOrGb ( filesize ( $saveTo . $dest_name . '.crc' ) ), "date" => $time );

			$split_buffer_size = 2 * 1024 * 1024;

			$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 ++) {

				$split_dest = @fopen ( $saveTo . $dest_name . '.' . sprintf ( "%03d", $j ), "wb" );

				if (! $split_dest) {

					echo "Error openning file <b>" . $dest_name . '.' . sprintf ( "%03d", $j ) . "</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 );

					if (fwrite ( $split_dest, $split_buffer ) === false) {

						echo "Error writing the file <b>" . $dest_name . '.' . sprintf ( "%03d", $j ) . "</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 );

					if (fwrite ( $split_dest, $split_buffer ) === false) {

						echo "Error writing the file <b>" . $dest_name . '.' . sprintf ( "%03d", $j ) . "</b> !<br /><br />";

						$split_ok = false;

					}

				}

				fclose ( $split_dest );

				if ($split_ok) {

					$time = filemtime ( $saveTo . $dest_name . '.' . sprintf ( "%03d", $j ) );

					while ( isset ( $list [$time] ) ) {

						$time ++;

					}

					$list [$time] = array ("name" => $saveTo . $dest_name . '.' . sprintf ( "%03d", $j ), "size" => bytesToKbOrMbOrGb ( filesize ( $saveTo . $dest_name . '.' . sprintf ( "%03d", $j ) ) ), "date" => $time );

				}

			}

			fclose ( $split_source );

			if ($split_ok) {

				if ($_POST["del_ok"] && !$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 />";

			}

		}

	}

}

?>