用PHP写的一个web升级脚本

浪人

　　管理web项目一直是件很困难的事情，程序使用时间越长里面的spam文件也越多。如何保证web目录的清洁是个重要的工作，结合这个脚本和subversion的管理功能，可以方便你的日常升级管理。

<?php
/**
* Website upgrade script
* Author: victorwmh
* Email: victorwmh@gmail.com
* Date: 2011-08-23
*
* Description:
* $argc and $argv is default variables of CLI mode.
* $argc is int, $argv is array. $argv[0] is self file name.
*/
$ublocal = "/home/df3c/upgrade/bundles/";
$uapplocal = "/home/df3c/web";
if ($argc < 2) exit('no argument.');
$ubname = $argv[1];
$ufox = new UpgradeFox();
$ufox->init($uapplocal, $ublocal, $ubname);
$ufox->upgrade();

/**
* Upgrade-fox class.
* @author victorwmh
*
*/
class UpgradeFox {
/* update bundle name */
private $bname = '';
/* update bundle location */
private $blocal = '';
/* application location for upgrade */
private $applocal = '';
/* bundle extract directory */
private $extdir = '';
/* all directory of boundle */
private $directories = array();
/* all file of boundle */
private $files = array();

/**
* Initialization basic information.
* @param string $uapplocal
* @param string $ublocal
* @param string $ubname
*/
public function init($uapplocal, $ublocal, $ubname) {
$this->applocal = rtrim($uapplocal, '/');
$this->bname = $ubname;
$this->blocal = rtrim($ublocal, '/');
$this->extdir = rtrim($this->blocal . '/' . $this->bname, '.zip');
}

/**
* Update files in the bundle and delete files in the list for dellist.txt.
*/
public function upgrade() {
ob_start();
echo "Upgrade processing...\n";
echo "Upgrade will to overwrite or remove a files.\n";
echo "Are you want to continue? press (y or n):";
ob_flush();
if (trim(fgets(STDIN)) != 'y') {
exit("Canceled.\n\n");
};
echo "Check: ";
ob_flush();
if ($this->check() === FALSE) {
exit("bundle not exist.\nUpgrade failure.\n\n");
} elseif($this->check() == 'zip') {
echo "Ok!\nExtract bundle: ";
ob_flush();
$this->extract();
}
$this->uverify();
echo "Ok!\nUpdate files: ";
ob_flush();
$this->update();
echo "Ok!\nClean files: ";
ob_flush();
$this->clean();
echo "Ok!\nFinished.\n\n";
ob_end_flush();
}

/**
* Check upgrade bundle.
*/
private function check() {
if (file_exists($this->blocal . '/' . $this->bname)) {
if (preg_match('/(\.zip)+$/', $this->bname)) {
return 'zip';
} elseif(is_dir($this->blocal . '/' . $this->bname)) {
return 'dir';
} else {
return FALSE;
}
} else {
return FALSE;
}
}

/**
* Extract upgrade bundle.
*/
private function extract() {
$zip = new ZipArchive();
$zip->open($this->blocal . '/' . $this->bname);
if (! $zip->extractTo($this->blocal)) {
$zip->close();
exit("extract is failure.\nUpgrade failure.\n\n");
}
}

/**
* Update files in the bundle.
*/
private function update() {
$this->sortDirFile($this->extdir);
$this->mkDirAppend();
$this->uoverwrite();
$this->udelete();
}

/**
* Verify bundles.
*/
private function uverify() {
$ufoxfile = $this->extdir . '/ufox-clean.ini';
if ( ! file_exists($ufoxfile)) {
exit("bundle rootdir is not ufox-clean.ini\n");
}
}
/**
* Delete trash files of applocal.
*/
private function udelete() {
$ufoxfile = $this->extdir . '/ufox-clean.ini';
$delfiles = $this->getFileContent($ufoxfile);
foreach ($delfiles as $file) {
$file = preg_replace('/\s.*/', '', $file);
$tmp = $this->applocal . '/' . $file;
if ('' == $file) {
continue;
} elseif (file_exists($tmp)) {
is_dir($tmp) ? $this->rmdir($tmp) : unlink($tmp);
}
}
unlink($this->applocal . '/ufox-clean.ini');
}

/**
* add or overwrite files.
*/
private function uoverwrite() {
$bdirname = rtrim($this->bname, '.zip');
foreach ($this->files as $file) {
$tmp = $this->applocal . '/' . substr($file, strpos($file, $bdirname)+strlen($bdirname));
copy($file, $tmp);
}
}

/**
* Clean extract files.
*/
private function clean() {
$this->rmdir($this->extdir);
}

/**
* Get contents of the file.
* @param string $file
* @return array
*/
private function getFileContent($file) {
/* Line breaks for each OS. win:“\r\n”,0x0D0A; linux:“\n”,0x0A; mac:"\r",0x0D; */
if (file_exists($file)) {
$contents = file_get_contents($file);
if (strpos($contents, "\r\n") > 0) {
$separator = "\r\n";
} elseif (strpos($contents, "\n") > 0) {
$separator = "\n";
} elseif (strpos($contents, "\r") > 0) {
$separator = "\r";
}
return explode($separator, $contents);
} else {
return FALSE;
}
}

/**
* sort all file and sub directory of dir.
* @param string $dir
*/
private function sortDirFile($dir) {
$handle = opendir($dir);
if ($handle) {
while (($name = readdir($handle)) !== false) {
if ($name === '.' || $name === '..') continue;
$tmp = realpath($dir . '/' . $name );
if (is_dir($tmp)) {
$this->directories[] = $tmp;
$this->sortDirFile($tmp);
} else {
$this->files[] = $tmp;
}
}
closedir($handle);
}
}

/**
* mk appended sub directories of bundle.
*/
private function mkDirAppend() {
$bdirname = rtrim($this->bname, '.zip');
foreach ($this->directories as $dir) {
$dir = substr($dir, strpos($dir, $bdirname)+strlen($bdirname));
$tmp = $this->applocal . '/' . $dir;
if (! file_exists($tmp)) {
mkdir($tmp);
}
}
}

/**
* Remove directory.
* @param string $dir
*/
private function rmdir($dir) {
if (! is_dir($dir)) return false;
$handle = opendir($dir);
while (($file = readdir($handle)) !== false) {
if ($file !== '.' && $file !== '..') {
$tmp = $dir . '/' . $file;
is_dir($tmp) ? $this->rmdir($tmp) : @unlink($tmp);
}
}
closedir($handle);
return rmdir($dir);
}
}