OneThink安装模块function.php函数库

<?php
// +----------------------------------------------------------------------
// | OneThink [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2013 http://www.onethink.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://www.zjzit.cn>
// +----------------------------------------------------------------------

// 检测环境是否支持可写
define('IS_WRITE',APP_MODE !== 'sae');

/**
 * 系统环境检测
 * @return array 系统环境数据
 */
function check_env(){
 $items = array(
 'os'      => array('操作系统', '不限制', '类Unix', PHP_OS, 'success'),
 'php'     => array('PHP版本', '5.3', '5.3+', PHP_VERSION, 'success'),
 //'mysql'   => array('MYSQL版本', '5.0', '5.0+', '未知', 'success'), //PHP5.5不支持mysql版本检测
 'upload'  => array('附件上传', '不限制', '2M+', '未知', 'success'),
 'gd'      => array('GD库', '2.0', '2.0+', '未知', 'success'),
 'disk'    => array('磁盘空间', '5M', '不限制', '未知', 'success'),
 );

 //PHP环境检测
 if($items['php'][3] < $items['php'][1]){
 $items['php'][4] = 'error';
 session('error', true);
 }

 //数据库检测
 // if(function_exists('mysql_get_server_info')){
 //  $items['mysql'][3] = mysql_get_server_info();
 //  if($items['mysql'][3] < $items['mysql'][1]){
 //  $items['mysql'][4] = 'error';
 //  session('error', true);
 //  }
 // }

 //附件上传检测
 if(@ini_get('file_uploads'))
 $items['upload'][3] = ini_get('upload_max_filesize');

 //GD库检测
 $tmp = function_exists('gd_info') ? gd_info() : array();
 if(empty($tmp['GD Version'])){
 $items['gd'][3] = '未安装';
 $items['gd'][4] = 'error';
 session('error', true);
 } else {
 $items['gd'][3] = $tmp['GD Version'];
 }
 unset($tmp);

 //磁盘空间检测
 if(function_exists('disk_free_space')) {
 $items['disk'][3] = floor(disk_free_space(INSTALL_APP_PATH) / (1024*1024)).'M';
 }

 return $items;
}

/**
 * 目录，文件读写检测
 * @return array 检测数据
 */
function check_dirfile(){
 $items = array(
 array('dir',  '可写', 'success', './Uploads/Download'),
 array('dir',  '可写', 'success', './Uploads/Picture'),
 array('dir',  '可写', 'success', './Uploads/Editor'),
 array('dir',  '可写', 'success', './Runtime'),
 array('dir', '可写', 'success', './Application/User/Conf'),
 array('file', '可写', 'success', './Application/Common/Conf/config.php'),

 );

 foreach ($items as &$val) {
 if('dir' == $val[0]){
 if(!is_writable(INSTALL_APP_PATH . $val[3])) {
 if(is_dir($items[1])) {
 $val[1] = '可读';
 $val[2] = 'error';
 session('error', true);
 } else {
 $val[1] = '不存在';
 $val[2] = 'error';
 session('error', true);
 }
 }
 } else {
 if(file_exists(INSTALL_APP_PATH . $val[3])) {
 if(!is_writable(INSTALL_APP_PATH . $val[3])) {
 $val[1] = '不可写';
 $val[2] = 'error';
 session('error', true);
 }
 } else {
 if(!is_writable(dirname(INSTALL_APP_PATH . $val[3]))) {
 $val[1] = '不存在';
 $val[2] = 'error';
 session('error', true);
 }
 }
 }
 }

 return $items;
}

/**
 * 函数检测
 * @return array 检测数据
 */
function check_func(){
 $items = array(
 array('mysql_connect',     '支持', 'success'),
 array('file_get_contents', '支持', 'success'),
 array('fsockopen',         '支持', 'success'),
 array('mb_strlen',    '支持', 'success'),
 //array('mime_content_type', '支持', 'success'), //该函数非必须
 );

 foreach ($items as &$val) {
 if(!function_exists($val[0])){
 $val[1] = '不支持';
 $val[2] = 'error';
 $val[3] = '开启';
 session('error', true);
 }
 }

 return $items;
}

/**
 * 写入配置文件
 * @param  array $config 配置信息
 */
function write_config($config, $auth){
 if(is_array($config)){
 //读取配置内容
 $conf = file_get_contents(MODULE_PATH . 'Data/conf.tpl');
 $user = file_get_contents(MODULE_PATH . 'Data/user.tpl');
 //替换配置项
 foreach ($config as $name => $value) {
 $conf = str_replace("[{$name}]", $value, $conf);
 $user = str_replace("[{$name}]", $value, $user);
 }

 $conf = str_replace('[AUTH_KEY]', $auth, $conf);
 $user = str_replace('[AUTH_KEY]', $auth, $user);

 //写入应用配置文件
 if(!IS_WRITE){
 return '由于您的环境不可写，请复制下面的配置文件内容覆盖到相关的配置文件，然后再登录后台。<p>'.realpath(APP_PATH).'/Common/Conf/config.php</p>
 <textarea name="" style="width:650px;height:185px">'.$conf.'</textarea>
 <p>'.realpath(APP_PATH).'/User/Conf/config.php</p>
 <textarea name="" style="width:650px;height:125px">'.$user.'</textarea>';
 }else{
 if(file_put_contents(APP_PATH . 'Common/Conf/config.php', $conf) &&
    file_put_contents(APP_PATH . 'User/Conf/config.php', $user)){
 show_msg('配置文件写入成功');
 } else {
 show_msg('配置文件写入失败！', 'error');
 session('error', true);
 }
 return '';
 }

 }
}

/**
 * 创建数据表
 * @param  resource $db 数据库连接资源
 */
function create_tables($db, $prefix = ''){
 //读取SQL文件
 $sql = file_get_contents(MODULE_PATH . 'Data/install.sql');
 $sql = str_replace("r", "n", $sql);
 $sql = explode(";n", $sql);

 //替换表前缀
 $orginal = C('ORIGINAL_TABLE_PREFIX');
 $sql = str_replace(" `{$orginal}", " `{$prefix}", $sql);

 //开始安装
 show_msg('开始安装数据库...');
 foreach ($sql as $value) {
 $value = trim($value);
 if(empty($value)) continue;
 if(substr($value, 0, 12) == 'CREATE TABLE') {
 $name = preg_replace("/^CREATE TABLE `(w+)` .*/s", "1", $value);
 $msg  = "创建数据表{$name}";
 if(false !== $db->execute($value)){
 show_msg($msg . '...成功');
 } else {
 show_msg($msg . '...失败！', 'error');
 session('error', true);
 }
 } else {
 $db->execute($value);
 }

 }
}

function register_administrator($db, $prefix, $admin, $auth){
 show_msg('开始注册创始人帐号...');
 $sql = "INSERT INTO `[PREFIX]ucenter_member` VALUES " .
    "('1', '[NAME]', '[PASS]', '[EMAIL]', '', '[TIME]', '[IP]', 0, 0, '[TIME]', '1')";

 $password = user_md5($admin['password'], $auth);
 $sql = str_replace(
 array('[PREFIX]', '[NAME]', '[PASS]', '[EMAIL]', '[TIME]', '[IP]'),
 array($prefix, $admin['username'], $password, $admin['email'], NOW_TIME, get_client_ip(1)),
 $sql);
 //执行sql
 $db->execute($sql);

 $sql = "INSERT INTO `[PREFIX]member` VALUES ".
    "('1', '[NAME]', '0', '0', '', '0', '1', '0', '[TIME]', '0', '[TIME]', '1');";
 $sql = str_replace(
 array('[PREFIX]', '[NAME]', '[TIME]'),
 array($prefix, $admin['username'], NOW_TIME),
 $sql);
 $db->execute($sql);
 show_msg('创始人帐号注册完成！');
}

/**
 * 及时显示提示信息
 * @param  string $msg 提示信息
 */
function show_msg($msg, $class = ''){
 echo "<script type="text/javascript">showmsg("{$msg}", "{$class}")</script>";
 flush();
 ob_flush();
}

/**
 * 生成系统AUTH_KEY
 * @author 麦当苗儿 <zuojiazi@vip.qq.com>
 */
function build_auth_key(){
 $chars  = 'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
 $chars .= '`~!@#$%^&*()_+-=[]{};:"|,.<>/?';
 $chars  = str_shuffle($chars);
 return substr($chars, 0, 40);
}

/**
 * 系统非常规MD5加密方法
 * @param  string $str 要加密的字符串
 * @return string
 */
function user_md5($str, $key = ''){
 return '' === $str ? '' : md5(sha1($str) . $key);
}