HOR-3670-RG-4 Files review:
workflow/engine/classes/Stat.php workflow/engine/classes/Tar_File.php workflow/engine/classes/Tasks.php workflow/engine/classes/ToolBar.php workflow/engine/classes/TriggerLibrary.php
This commit is contained in:
Roly Rudy Gutierrez Pinto
150
workflow/engine/classes/TarFile.php
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150
workflow/engine/classes/TarFile.php
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<?php
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/**
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* This class is derived from the class archive, is imployed to use files .
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* tar
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*/
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class TarFile extends Archive
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{
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/**
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* This function is the constructor of the class tar_file
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*
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* @param string $name
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*/
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public function TarFile($name)
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{
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$this->archive($name);
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$this->options['type'] = "tar";
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}
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/**
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* This function create a file .
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* tar
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*
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* @return boolean
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*/
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public function create_tar()
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{
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$pwd = getcwd();
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chdir($this->options['basedir']);
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foreach ($this->files as $current) {
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if ($current['name'] == $this->options['name']) {
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continue;
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}
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if (strlen($current['name2']) > 99) {
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$path = substr($current['name2'], 0, strpos($current['name2'], "/", strlen($current['name2']) - 100) + 1);
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$current['name2'] = substr($current['name2'], strlen($path));
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if (strlen($path) > 154 || strlen($current['name2']) > 99) {
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$this->error[] = "Could not add {$path}{$current['name2']} to archive because the filename is too long.";
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continue;
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}
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}
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$block = pack("a100a8a8a8a12a12a8a1a100a6a2a32a32a8a8a155a12", $current['name2'], sprintf("%07o", $current['stat'][2]), sprintf("%07o", $current['stat'][4]), sprintf("%07o", $current['stat'][5]), sprintf("%011o", $current['type'] == 2 ? 0 : $current['stat'][7]), sprintf("%011o", $current['stat'][9]), " ", $current['type'], $current['type'] == 2 ? @readlink($current['name']) : "", "ustar ", " ", "Unknown", "Unknown", "", "", !empty($path) ? $path : "", "");
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$checksum = 0;
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for ($i = 0; $i < 512; $i++) {
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$checksum += ord(substr($block, $i, 1));
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}
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$checksum = pack("a8", sprintf("%07o", $checksum));
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$block = substr_replace($block, $checksum, 148, 8);
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if ($current['type'] == 2 || $current['stat'][7] == 0) {
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$this->add_data($block);
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} elseif ($fp = @fopen($current['name'], "rb")) {
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$this->add_data($block);
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while ($temp = fread($fp, 1048576)) {
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$this->add_data($temp);
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}
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if ($current['stat'][7] % 512 > 0) {
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$temp = "";
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for ($i = 0; $i < 512 - $current['stat'][7] % 512; $i++) {
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$temp .= "\0";
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}
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$this->add_data($temp);
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}
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fclose($fp);
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} else {
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$this->error[] = "Could not open file {$current['name']} for reading. It was not added.";
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}
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}
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$this->add_data(pack("a1024", ""));
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chdir($pwd);
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return 1;
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}
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/**
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* This function is used for extract files of the class tar_file
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*
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* @return void
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*/
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public function extract_files()
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{
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$pwd = getcwd();
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chdir($this->options['basedir']);
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if ($fp = $this->open_archive()) {
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if ($this->options['inmemory'] == 1) {
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$this->files = array();
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}
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while ($block = fread($fp, 512)) {
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$temp = unpack("a100name/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1type/a100symlink/a6magic/a2temp/a32temp/a32temp/a8temp/a8temp/a155prefix/a12temp", $block);
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$file = array('name' => $this->options['basedir'] . '/' . $temp['prefix'] . $temp['name'], 'stat' => array(2 => $temp['mode'], 4 => octdec($temp['uid']), 5 => octdec($temp['gid']), 7 => octdec($temp['size']), 9 => octdec($temp['mtime'])
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), 'checksum' => octdec($temp['checksum']), 'type' => $temp['type'], 'magic' => $temp['magic']
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);
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if ($file['checksum'] == 0x00000000) {
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break;
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} elseif (substr($file['magic'], 0, 5) != "ustar") {
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$this->error[] = "This script does not support extracting this type of tar file.";
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break;
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}
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$block = substr_replace($block, " ", 148, 8);
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$checksum = 0;
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for ($i = 0; $i < 512; $i++) {
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$checksum += ord(substr($block, $i, 1));
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}
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if ($file['checksum'] != $checksum) {
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$this->error[] = "Could not extract from {$this->options['name']}, it is corrupt.";
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}
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if ($this->options['inmemory'] == 1) {
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$file['data'] = fread($fp, $file['stat'][7]);
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fread($fp, (512 - $file['stat'][7] % 512) == 512 ? 0 : (512 - $file['stat'][7] % 512));
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unset($file['checksum'], $file['magic']);
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$this->files[] = $file;
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} elseif ($file['type'] == 5) {
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if (!is_dir($file['name'])) {
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mkdir($file['name'], 0775);
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}
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} elseif ($this->options['overwrite'] == 0 && file_exists($file['name'])) {
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$this->error[] = "{$file['name']} already exist.";
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continue;
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} elseif ($file['type'] == 2) {
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symlink($temp['symlink'], $file['name']);
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} elseif ($new = @fopen($file['name'], "wb")) {
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fwrite($new, fread($fp, $file['stat'][7]));
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if ((512 - $file['stat'][7] % 512) != 512) {
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fread($fp, (512 - $file['stat'][7] % 512));
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}
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fclose($new);
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chmod($file['name'], 0777);
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$this->files[] = $file['name'];
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} else {
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$this->error[] = "Could not open {$file['name']} for writing.";
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continue;
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}
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@touch($file['name'], $file['stat'][9]);
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unset($file);
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}
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} else {
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$this->error[] = "Could not open file {$this->options['name']}";
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}
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chdir($pwd);
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}
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/**
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* This function open a archive of the class tar_file
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*
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* @return void
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*/
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public function open_archive()
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{
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return @fopen($this->options['name'], "rb");
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}
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}
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