/classes/options/merge.php

<?php

function merge() {

	global $options, $list, $PHP_SELF;

	if (count($_GET["files"]) !== 1) {

		echo lang(167)."<br /><br />";

	}

	else {

		$file = $list [$_GET ["files"] [0]];

		if (substr ( $file ["name"], - 4 ) == '.001' && is_file ( substr ( $file ["name"], 0, - 4 ) . '.crc' )) {

			echo lang(168)."<br /><br />";

		} elseif (substr ( $file ["name"], - 4 ) !== '.crc' && substr ( $file ["name"], - 4 ) !== '.001') {

			echo lang(169)."<br /><br />";

		} else {

			echo lang(306)." <b>".basename(substr($file["name"], 0, -4))."</b><br /><br />";

			$usingcrcfile = (substr ( $file ["name"], - 4 ) === '.001') ? false : true;

?>

<form method="post" action="<?php echo $PHP_SELF; ?>"><input type="hidden" name="files[0]" value="<?php echo $_GET ["files"] [0]; ?>" />

<table>

<?php

			if ($usingcrcfile) {

?>

<tr>

<td align="left"><input type="checkbox" name="crc_check" value="1" checked="checked" onclick="javascript:var displ=this.checked?'inline':'none';document.getElementById('crc_check_mode').style.display=displ;" />&nbsp;<?php echo lang(170); ?><br />

			<span id="crc_check_mode"><?php echo lang(171); ?>:<br />

<?php

				if (function_exists ( 'hash_file' )) {

?><input type="radio" name="crc_mode" value="hash_file" checked="checked" />&nbsp;<?php echo lang(172); ?><br />

<?php } ?>

<input type="radio" name="crc_mode" value="file_read" />&nbsp;<?php echo lang(173); ?><br />

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

</tr>

<tr>

<td><input type="checkbox" name="del_ok" <?php echo $options['disable_deleting'] ? 'disabled="disabled"' : 'checked="checked"'; ?> />&nbsp;<?php echo lang(175); ?></td>

</tr>

<?php

					} else {

?>

<tr>

<td align="center"><?php echo lang(176); ?>: <b><?php echo lang(177); ?></b></td>

</tr>

<?php

					}

?>

<tr>

<td align="center"><input type="hidden" name="act" value="merge_go" /> <input type="submit" value="<?php echo lang(291); ?>" /></td>

</tr>

</table>

</form>

<?php

		}

	}

}



function merge_go() {

	global $list, $options;

	if (count($_POST["files"]) !== 1) {

		echo lang(167)."<br /><br />";

	} else {

		$file = $list [$_POST ["files"] [0]];

		if (substr ( $file ["name"], - 4 ) == '.001' && is_file ( substr ( $file ["name"], 0, - 4 ) . '.crc' )) {

			echo lang(168)."<br /><br />";

		} elseif (substr ( $file ["name"], - 4 ) !== '.crc' && substr ( $file ["name"], - 4 ) !== '.001') {

			echo lang(169)."<br /><br />";

		} else {

			$usingcrcfile = (substr ( $file ["name"], - 4 ) === '.001') ? false : true;

			if (! $usingcrcfile) {

				$data = array ('filename' => basename ( substr ( $file ["name"], 0, - 4 ) ), 'size' => - 1, 'crc32' => '00111111' );

			} else {

				$fs = @fopen ( $file ["name"], "rb" );

			}

			if ($usingcrcfile && ! $fs) {

				echo lang(178)."<br /><br />";

			} else {

				if ($usingcrcfile) {

					$data = array ();

					while ( ! feof ( $fs ) ) {

						$data_ = explode ( '=', trim ( fgets ( $fs ) ), 2 );

						$data [$data_ [0]] = $data_ [1];

					}

					fclose ( $fs );

				}

				$path = realpath ( DOWNLOAD_DIR ) . '/';

				$filename = basename ( $data ['filename'] );

				$partfiles = array ();

				$partsSize = 0;

				for($j = 1; $j < 10000; $j ++) {

					if (! is_file ( $path . $filename . '.' . sprintf ( "%03d", $j ) )) {

						if ($j == 1) {

							$partsSize = - 1;

						}

						break;

					}

					$partfiles [] = $path . $filename . '.' . sprintf ( "%03d", $j );

					$partsSize += filesize ( $path . $filename . '.' . sprintf ( "%03d", $j ) );

				}

				if (file_exists ( $path . $filename )) {

					printf(lang(179),$path . $filename);

					echo "<br /><br />";

				} elseif ($usingcrcfile && $partsSize != $data ['size']) {

					echo lang(180)."<br /><br />";

				} elseif ($options['check_these_before_unzipping'] && is_array ( $options['forbidden_filetypes'] ) && in_array ( strtolower ( strrchr ( $filename, "." ) ), $options['forbidden_filetypes'] )) {

					printf(lang(181),strrchr ( $filename, "." ));

					echo "<br /><br />";

				} else {

					$merge_buffer_size = 2 * 1024 * 1024;

					$merge_dest = @fopen ( $path . $filename, "wb" );

					if (! $merge_dest) {

						printf(lang(182),$path . $filename);

						echo "<br /><br />";

					} else {

						$merge_ok = true;

						foreach ( $partfiles as $part ) {

							$merge_source = @fopen ( $part, "rb" );

							while ( ! feof ( $merge_source ) ) {

								$merge_buffer = fread ( $merge_source, $merge_buffer_size );

								if ($merge_buffer === false) {

									printf(lang(65),$part);

									echo "<br /><br />";

									$merge_ok = false;

									break;

								}

								if (fwrite ( $merge_dest, $merge_buffer ) === false) {

									printf(lang(183),$path . $filename);

									echo "<br /><br />";

									$merge_ok = false;

									break;

								}

							}

							fclose ( $merge_source );

							if (! $merge_ok) {

								break;

							}

						}

						fclose ( $merge_dest );

						if ($merge_ok) {

							$fc = ($_POST ['crc_mode'] == 'file_read') ? dechex ( crc32 ( read_file ( $path . $filename ) ) ) : (($_POST ['crc_mode'] == 'hash_file' && function_exists ( 'hash_file' )) ? hash_file ( 'crc32b', $path . $filename ) : '111111');

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

							if ($fc != strtoupper ( $data ["crc32"] )) {

								echo lang(184)."<br /><br />";

							} else {

								printf(lang(185),$filename);

								echo '!<br /><br />';

								if ($usingcrcfile && $fc != '00111111' && $_POST["del_ok"] && !$options['disable_deleting']) {

									if ($usingcrcfile) {

										$partfiles [] = $file ["name"];

									}

									foreach ( $partfiles as $part ) {

										if (@unlink ( $part )) {

											foreach ( $list as $list_key => $list_file ) {

												if ($list_file ["name"] === $part) {

													unset ( $list [$list_key] );

												}

											}

											echo "<b>" . basename ( $part ) . "</b> ".lang(186).".<br />";

										} else {

											echo "<b>" . basename ( $part ) . "</b> ".lang(187).".<br />";

										}

									}

									echo "<br />";

								}

								$time = filemtime($path.$filename);

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

									$time ++;

								}

								$list [$time] = array ("name" => $path . $filename, "size" => bytesToKbOrMbOrGb ( $partsSize ), "date" => $time );

								if (! updateListInFile ( $list )) {

									echo lang(146)."<br /><br />";

								}

							}

						}

					}

				}

			}

		}

	}

}

?>