www.gusucode.com > Kodexplorer 可道云PHP在线文件管理系统源码程序 > kodexplorer_v4.32/app/function/file.function.php
<?php
/*
* @link http://kodcloud.com/
* @author warlee | e-mail:kodcloud@qq.com
* @copyright warlee 2014.(Shanghai)Co.,Ltd
* @license http://kodcloud.com/tools/license/license.txt
*/
/**
* 系统函数： filesize(),file_exists(),pathinfo(),rname(),unlink(),filemtime(),is_readable(),is_wrieteable();
* 获取文件详细信息 file_info($fileName)
* 获取文件夹详细信息 path_info($dir)
* 递归获取文件夹信息 path_info_more($dir,&$fileCount=0,&$pathCount=0,&$size=0)
* 获取文件夹下文件列表 path_list($dir)
* 路径当前文件[夹]名 get_path_this($path)
* 获取路径父目录 get_path_father($path)
* 删除文件 del_file($file)
* 递归删除文件夹 del_dir($dir)
* 递归复制文件夹 copy_dir($source, $dest)
* 创建目录 mk_dir($dir, $mode = 0777)
* 文件大小格式化 size_format($bytes, $precision = 2)
* 判断是否绝对路径 path_is_absolute( $path )
* 扩展名的文件类型 ext_type($ext)
* 文件下载 file_download($file)
* 文件下载到服务器 file_download_this($from, $fileName)
* 获取文件(夹)权限 get_mode($file) //rwx_rwx_rwx [文件名需要系统编码]
* 上传文件(单个，多个) upload($fileInput, $path = './');//
* 获取配置文件项 get_config($file, $ini, $type="string")
* 修改配置文件项 update_config($file, $ini, $value,$type="string")
* 写日志到LOG_PATH下 write_log('dd','default|.自建目录.','log|error|warning|debug|info|db')
*/
// 传入参数为程序编码时，有传出，则用程序编码，
// 传入参数没有和输出无关时，则传入时处理成系统编码。
function iconv_app($str){
global $config;
$result = iconv_to($str,$config['systemCharset'], $config['appCharset']);
return $result;
}
function iconv_system($str){
//去除中文空格UTF8; windows下展示异常;过滤文件上传、新建文件等时的文件名
//文件名已存在含有该字符时，没有办法操作.
$char_empty = "\xc2\xa0";
if(strpos($str,$char_empty) !== false){
$str = str_replace($char_empty," ",$str);
}
global $config;
$result = iconv_to($str,$config['appCharset'], $config['systemCharset']);
$result = path_filter($result);
return $result;
}
function iconv_to($str,$from,$to){
if (!function_exists('iconv')){
return $str;
}
//尝试用mb转换；android环境部分问题解决
if(function_exists('mb_convert_encoding')){
$result = @mb_convert_encoding($str,$to,$from);
}else{
$result = @iconv($from, $to, $str);
}
if(strlen($result)==0){
return $str;
}
return $result;
}
function path_filter($path){
if(strtoupper(substr(PHP_OS, 0,3)) != 'WIN'){
return $path;
}
$notAllow = array('*','?','"','<','>','|');//去除 : D:/
return str_replace($notAllow,' ', $path);
}
//filesize 解决大于2G 大小问题
//http://stackoverflow.com/questions/5501451/php-x86-how-to-get-filesize-of-2-gb-file-without-external-program
function get_filesize($path){
$result = false;
$fp = fopen($path,"r");
if(! $fp = fopen($path,"r")) return $result;
if(PHP_INT_SIZE >= 8 ){ //64bit
$result = (float)(abs(sprintf("%u",@filesize($path))));
}else{
if (fseek($fp, 0, SEEK_END) === 0) {
$result = 0.0;
$step = 0x7FFFFFFF;
while ($step > 0) {
if (fseek($fp, - $step, SEEK_CUR) === 0) {
$result += floatval($step);
} else {
$step >>= 1;
}
}
}else{
static $iswin;
if (!isset($iswin)) {
$iswin = (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN');
}
static $exec_works;
if (!isset($exec_works)) {
$exec_works = (function_exists('exec') && !ini_get('safe_mode') && @exec('echo EXEC') == 'EXEC');
}
if ($iswin && class_exists("COM")) {
try {
$fsobj = new COM('Scripting.FileSystemObject');
$f = $fsobj->GetFile( realpath($path) );
$size = $f->Size;
} catch (Exception $e) {
$size = null;
}
if (is_numeric($size)) {
$result = $size;
}
}else if ($exec_works){
$cmd = ($iswin) ? "for %F in (\"$path\") do @echo %~zF" : "stat -c%s \"$path\"";
@exec($cmd, $output);
if (is_array($output) && is_numeric($size = trim(implode("\n", $output)))) {
$result = $size;
}
}else{
$result = filesize($path);
}
}
}
fclose($fp);
return $result;
}
//文件是否存在，区分文件大小写
function file_exists_case( $fileName){
if(file_exists($fileName) === false){
return false;
}
$status = false;
$directoryName = dirname( $fileName );
$fileArray = glob( $directoryName . '/*', GLOB_NOSORT);
if ( preg_match( "/\\\|\//", $fileName) ){
$array = preg_split("/\\\|\//", $fileName);
$fileName = $array[ count( $array ) -1 ];
}
foreach($fileArray as $file ){
if(preg_match("/{$fileName}/{$i}", $file)){
$output = "{$directoryName}/{$fileName}";
$status = true;
break;
}
}
return $status;
}
function path_readable($path){
$result = intval(is_readable($path));
if($result){
return $result;
}
$mode = get_mode($path);
if( $mode &&
strlen($mode) == 18 &&
substr($mode,-9,1) == 'r'){// -rwx rwx rwx(0777)
return true;
}
return false;
}
function path_writeable($path){
$result = intval(is_writeable($path));
if($result){
return $result;
}
$mode = get_mode($path);
if( $mode &&
strlen($mode) == 18 &&
substr($mode,-8,1) == 'w'){// -rwx rwx rwx (0777)
return true;
}
return false;
}
/**
* 获取文件详细信息
* 文件名从程序编码转换成系统编码,传入utf8，系统函数需要为gbk
*/
function file_info($path){
$info = array(
'name' => iconv_app(get_path_this($path)),
'path' => iconv_app($path),
'ext' => get_path_ext($path),
'type' => 'file',
'mode' => get_mode($path),
'atime' => @fileatime($path), //最后访问时间
'ctime' => @filectime($path), //创建时间
'mtime' => @filemtime($path), //最后修改时间
'isReadable' => path_readable($path),
'isWriteable' => path_writeable($path),
'size' => get_filesize($path)
);
return $info;
}
/**
* 获取文件夹细信息
*/
function folder_info($path){
$info = array(
'name' => iconv_app(get_path_this($path)),
'path' => iconv_app(rtrim($path,'/').'/'),
'type' => 'folder',
'mode' => get_mode($path),
'atime' => @fileatime($path), //访问时间
'ctime' => @filectime($path), //创建时间
'mtime' => @filemtime($path), //最后修改时间
'isReadable' => path_readable($path),
'isWriteable' => path_writeable($path)
);
return $info;
}
/**
* 获取一个路径(文件夹&文件) 当前文件[夹]名
* test/11/ ==>11 test/1.c ==>1.c
*/
function get_path_this($path){
$path = str_replace('\\','/', rtrim($path,'/'));
$pos = strrpos($path,'/');
if($pos === false){
return $path;
}
return substr($path,$pos+1);
}
/**
* 获取一个路径(文件夹&文件) 父目录
* /test/11/==>/test/ /test/1.c ==>/www/test/
*/
function get_path_father($path){
$path = str_replace('\\','/', rtrim($path,'/'));
$pos = strrpos($path,'/');
if($pos === false){
return $path;
}
return substr($path, 0,$pos+1);
}
/**
* 获取扩展名
*/
function get_path_ext($path){
$name = get_path_this($path);
$ext = '';
if(strstr($name,'.')){
$ext = substr($name,strrpos($name,'.')+1);
$ext = strtolower($ext);
}
if (strlen($ext)>3 && preg_match("/([\x81-\xfe][\x40-\xfe])/", $ext, $match)) {
$ext = '';
}
return htmlspecialchars($ext);
}
//自动获取不重复文件(夹)名
//如果传入$file_add 则检测存在则自定重命名 a.txt 为a{$file_add}.txt
//$same_file_type rename,replace,skip,folder_rename
function get_filename_auto($path,$file_add = "",$same_file_type='replace'){
if (is_dir($path) && $same_file_type!='folder_rename') {//文件夹则忽略
return $path;
}
//重名处理
if (file_exists($path)) {
if ($same_file_type=='replace') {
return $path;
}else if($same_file_type=='skip'){
return false;
}
}
$i=1;
$father = get_path_father($path);
$name = get_path_this($path);
$ext = get_path_ext($name);
if(is_dir($path)){
$ext = '';
}
if (strlen($ext)>0) {
$ext='.'.$ext;
$name = substr($name,0,strlen($name)-strlen($ext));
}
while(file_exists($path)){
if ($file_add != '') {
$path = $father.$name.$file_add.$ext;
$file_add.='-';
}else{
$path = $father.$name.'('.$i.')'.$ext;
$i++;
}
}
return $path;
}
/**
* 获取文件夹详细信息,文件夹属性时调用，包含子文件夹数量，文件数量，总大小
*/
function path_info($path){
if (!file_exists($path)) return false;
$pathinfo = _path_info_more($path);//子目录文件大小统计信息
$folderinfo = folder_info($path);
return array_merge($pathinfo,$folderinfo);
}
/**
* 检查名称是否合法
*/
function path_check($path){
$check = array('/','\\',':','*','?','"','<','>','|');
$path = rtrim($path,'/');
$path = get_path_this($path);
foreach ($check as $v) {
if (strstr($path,$v)) {
return false;
}
}
return true;
}
/**
* 递归获取文件夹信息： 子文件夹数量，文件数量，总大小
*/
function _path_info_more($dir, &$fileCount = 0, &$pathCount = 0, &$size = 0){
if (!$dh = @opendir($dir)) return array('fileCount'=>0,'folderCount'=>0,'size'=>0);
while (($file = readdir($dh)) !== false) {
if ($file =='.' || $file =='..') continue;
$fullpath = $dir . "/" . $file;
if (!is_dir($fullpath)) {
$fileCount ++;
$size += get_filesize($fullpath);
} else {
_path_info_more($fullpath, $fileCount, $pathCount, $size);
$pathCount ++;
}
}
closedir($dh);
$pathinfo['fileCount'] = $fileCount;
$pathinfo['folderCount'] = $pathCount;
$pathinfo['size'] = $size;
return $pathinfo;
}
/**
* 获取多选文件信息,包含子文件夹数量，文件数量，总大小，父目录权限
*/
function path_info_muti($list,$timeType){
if (count($list) == 1) {
if ($list[0]['type']=="folder"){
return path_info($list[0]['path'],$timeType);
}else{
return file_info($list[0]['path'],$timeType);
}
}
$pathinfo = array(
'fileCount' => 0,
'folderCount' => 0,
'size' => 0,
'father_name' => '',
'mod' => ''
);
foreach ($list as $val){
if ($val['type'] == 'folder') {
$pathinfo['folderCount'] ++;
$temp = path_info($val['path']);
$pathinfo['folderCount'] += $temp['folderCount'];
$pathinfo['fileCount'] += $temp['fileCount'];
$pathinfo['size'] += $temp['size'];
}else{
$pathinfo['fileCount']++;
$pathinfo['size'] += get_filesize($val['path']);
}
}
$father_name = get_path_father($list[0]['path']);
$pathinfo['mode'] = get_mode($father_name);
return $pathinfo;
}
/**
* 获取文件夹下列表信息
* dir 包含结尾/ d:/wwwroot/test/
* 传入需要读取的文件夹路径,为程序编码
*/
function path_list($dir,$listFile=true,$checkChildren=false){
$dir = rtrim($dir,'/').'/';
if (!is_dir($dir) || !($dh = @opendir($dir))){
return array('folderList'=>array(),'fileList'=>array());
}
$folderList = array();$fileList = array();//文件夹与文件
while (($file = readdir($dh)) !== false) {
if ($file =='.' || $file =='..' || $file == ".svn") continue;
$fullpath = $dir . $file;
if (is_dir($fullpath)) {
$info = folder_info($fullpath);
if($checkChildren){
$info['isParent'] = path_haschildren($fullpath,$listFile);
}
$folderList[] = $info;
} else if($listFile) {//是否列出文件
$info = file_info($fullpath);
if($checkChildren) $info['isParent'] = false;
$fileList[] = $info;
}
}
closedir($dh);
return array('folderList' => $folderList,'fileList' => $fileList);
}
// 判断文件夹是否含有子内容【区分为文件或者只筛选文件夹才算】
function path_haschildren($dir,$checkFile=false){
$dir = rtrim($dir,'/').'/';
if (!$dh = @opendir($dir)) return false;
while (($file = readdir($dh)) !== false){
if ($file =='.' || $file =='..') continue;
$fullpath = $dir.$file;
if ($checkFile) {//有子目录或者文件都说明有子内容
if(@is_file($fullpath) || is_dir($fullpath.'/')){
return true;
}
}else{//只检查有没有文件
if(@is_dir($fullpath.'/')){//解决部分主机报错问题
return true;
}
}
}
closedir($dh);
return false;
}
/**
* 删除文件 传入参数编码为操作系统编码. win--gbk
*/
function del_file($fullpath){
if (!@unlink($fullpath)) { // 删除不了，尝试修改文件权限
@chmod($fullpath, 0777);
if (!@unlink($fullpath)) {
return false;
}
} else {
return true;
}
}
/**
* 删除文件夹 传入参数编码为操作系统编码. win--gbk
*/
function del_dir($dir){
if(!file_exists($dir) || !is_dir($dir)) return true;
if (!$dh = opendir($dir)) return false;
@set_time_limit(0);
while (($file = readdir($dh)) !== false) {
if ($file =='.' || $file =='..') continue;
$fullpath = $dir . '/' . $file;
if (!is_dir($fullpath)) {
if (!unlink($fullpath)) { // 删除不了，尝试修改文件权限
chmod($fullpath, 0777);
if (!unlink($fullpath)) {
return false;
}
}
} else {
if (!del_dir($fullpath)) {
chmod($fullpath, 0777);
if (!del_dir($fullpath)) return false;
}
}
}
closedir($dh);
if (rmdir($dir)) {
return true;
} else {
return false;
}
}
/**
* 复制文件夹
* eg:将D:/wwwroot/下面wordpress复制到
* D:/wwwroot/www/explorer/0000/del/1/
* 末尾都不需要加斜杠，复制到地址如果不加源文件夹名，
* 就会将wordpress下面文件复制到D:/wwwroot/www/explorer/0000/del/1/下面
* $from = 'D:/wwwroot/wordpress';
* $to = 'D:/wwwroot/www/explorer/0000/del/1/wordpress';
*/
function copy_dir($source, $dest){
if (!$dest) return false;
if (is_dir($source) && $source == substr($dest,0,strlen($source))) return false;//防止父文件夹拷贝到子文件夹，无限递归
@set_time_limit(0);
$result = true;
if (is_file($source)) {
if ($dest[strlen($dest)-1] == '/') {
$__dest = $dest . "/" . basename($source);
} else {
$__dest = $dest;
}
$result = @copy($source,$__dest);
@chmod($__dest, 0777);
}else if(is_dir($source)) {
if ($dest[strlen($dest)-1] == '/') {
$dest = $dest . basename($source);
}
if (!is_dir($dest)) {
@mkdir($dest,0777);
}
if (!$dh = opendir($source)) return false;
while (($file = readdir($dh)) !== false) {
if ($file =='.' || $file =='..') continue;
$result = copy_dir($source . "/" . $file, $dest . "/" . $file);
}
closedir($dh);
}
return $result;
}
/**
* 移动文件&文件夹；（同名文件夹则特殊处理）
* 问题：win下，挂载磁盘移动到系统盘时rmdir导致遍历不完全；
*/
function move_path2($source,$dest,$repeat_add='',$repeat_type='replace'){
if (!$dest) return false;
if (is_dir($source) && $source == substr($dest,0,strlen($source))) return false;//防止父文件夹拷贝到子文件夹，无限递归
@set_time_limit(0);
if (is_file($source)) {
return move_file($source,$dest,$repeat_add,$repeat_type);
}else if(is_dir($source)) {
if ($dest[strlen($dest)-1] == '/') {
$dest = $dest . basename($source);
}
if (!file_exists($dest)) {
@mkdir($dest,0777);
}
if (!$dh = opendir($source)) return false;
while (($file = readdir($dh)) !== false) {
if ($file =='.' || $file =='..') continue;
move_path($source."/".$file, $dest."/".$file,$repeat_add,$repeat_type);
}
closedir($dh);
return @rmdir($source);
}
}
function move_file($source,$dest,$repeat_add,$repeat_type){
if ($dest[strlen($dest)-1] == '/') {
$dest = $dest . "/" . basename($source);
}
if(file_exists($dest)){
$dest = get_filename_auto($dest,$repeat_add,$repeat_type);//同名文件处理规则
}
$result = intval(@rename($source,$dest));
if (! $result) { // windows部分ing情况处理
$result = intval(@copy($source,$dest));
if ($result) {
@unlink($source);
}
}
return $result;
}
function move_path($source,$dest,$repeat_add='',$repeat_type='replace'){
if (!$dest || !file_exists($source)) return false;
if ( is_dir($source) ){
//防止父文件夹拷贝到子文件夹，无限递归
if($source == substr($dest,0,strlen($source))){
return false;
}
//地址相同
if(rtrim($source,'/') == rtrim($dest,'/')){
return false;
}
}
@set_time_limit(0);
if(is_file($source)){
return move_file($source,$dest,$repeat_add,$repeat_type);
}
recursion_dir($source,$dirs,$files,-1,0);
@mkdir($dest);
foreach($dirs as $f){
$path = $dest.'/'.substr($f,strlen($source));
if(!file_exists($path)){
mk_dir($path);
}
}
$file_success = 0;
foreach($files as $f){
$path = $dest.'/'.substr($f,strlen($source));
$file_success += move_file($f,$path,$repeat_add,$repeat_type);
}
foreach($dirs as $f){
rmdir($f);
}
@rmdir($source);
if($file_success == count($files)){
del_dir($source);
return true;
}
return false;
}
/**
* 创建目录
*
* @param string $dir
* @param int $mode
* @return bool
*/
function mk_dir($dir, $mode = 0777){
if (!$dir) return false;
if (is_dir($dir) || @mkdir($dir, $mode)){
return true;
}
if (!mk_dir(dirname($dir), $mode)){
return false;
}
return @mkdir($dir, $mode);
}
/*
* 获取文件&文件夹列表(支持文件夹层级)
* path : 文件夹 $dir ——返回的文件夹array files ——返回的文件array
* $deepest 是否完整递归；$deep 递归层级
*/
function recursion_dir($path,&$dir,&$file,$deepest=-1,$deep=0){
$path = rtrim($path,'/').'/';
if (!is_array($file)) $file=array();
if (!is_array($dir)) $dir=array();
if (!$dh = opendir($path)) return false;
while(($val=readdir($dh)) !== false){
if ($val=='.' || $val=='..') continue;
$value = strval($path.$val);
if (is_file($value)){
$file[] = $value;
}else if(is_dir($value)){
$dir[]=$value;
if ($deepest==-1 || $deep<$deepest){
recursion_dir($value."/",$dir,$file,$deepest,$deep+1);
}
}
}
closedir($dh);
return true;
}
// 安全读取文件，避免并发下读取数据为空
function file_read_safe($file,$timeout = 5){
clearstatcache();
if(!$file || !file_exists($file)) return false;
$fp = fopen($file, 'r+');
if(!$fp) return false;
$startTime = microtime(true);
do{
$canWrite = flock($fp, LOCK_EX | LOCK_NB);//必须加上LOCK_NB,否则设置超时无效
if(!$canWrite){
usleep(round(mt_rand(0, 100) * 1000));//随机等待0~100ms
}
} while((!$canWrite) && ((microtime(true) - $startTime) < $timeout ));//设置超时时间
if($canWrite){
$result = "";
while (!feof($fp)) {
$result .= fread($fp, 409600);
}
flock($fp,LOCK_UN);fclose($fp);
return $result;
}else{
flock($fp,LOCK_UN);fclose($fp);
return false;
}
}
// 安全读取文件，避免并发下读取数据为空
function file_wirte_safe($file,$buffer,$timeout=5){
clearstatcache();
if(strlen($file) == 0 || !$file || !file_exists($file)) return false;
$fp = fopen($file,'r+');
$startTime = microtime(true);
do{
$canWrite = flock($fp, LOCK_EX | LOCK_NB);//必须加上LOCK_NB,否则设置超时无效
if(!$canWrite){
usleep(round(mt_rand(0, 100) * 1000));//随机等待0~100ms
}
} while((!$canWrite) && ((microtime(true) - $startTime) < $timeout ));//设置超时时间
if($canWrite){
ftruncate($fp,0);
rewind($fp);
fwrite($fp,$buffer);
flock($fp,LOCK_UN);fclose($fp);
return true;
}else{
flock($fp,LOCK_UN);fclose($fp);
return false;
}
}
/*
* $search 为包含的字符串
* is_content 表示是否搜索文件内容;默认不搜索
* is_case 表示区分大小写,默认不区分
*/
function path_search($path,$search,$is_content=false,$file_ext='',$is_case=false){
$result = array();
$result['fileList'] = array();
$result['folderList'] = array();
if(!$path) return $result;
$ext_arr = explode("|",$file_ext);
recursion_dir($path,$dirs,$files,-1,0);
$strpos = 'stripos';//是否区分大小写
if ($is_case) $strpos = 'strpos';
$result_num = 0;
$result_num_max = 2000;//搜索文件内容，限制最多匹配条数
foreach($files as $f){
if($result_num >= $result_num_max){
$result['error_info'] = $result_num_max;
break;
}
//若指定了扩展名则只在匹配扩展名文件中搜索
$ext = get_path_ext($f);
if($file_ext != '' && !in_array($ext,$ext_arr)){
continue;
}
//搜索内容则不搜索文件名
if ($is_content) {
if(!is_text_file($ext)) continue; //在限定中或者不在bin中
$search_info = file_search($f,$search,$is_case);
if($search_info !== false){
$result_num += count($search_info['searchInfo']);
$result['fileList'][] = $search_info;
}
}else{
$path_this = get_path_this($f);
if ($strpos($path_this,$search) !== false){//搜索文件名;
$result['fileList'][] = file_info($f);
$result_num ++;
}
}
}
if (!$is_content && $file_ext == '' ) {//没有指定搜索文件内容，且没有限定扩展名，才搜索文件夹
foreach($dirs as $f){
$path_this = get_path_this($f);
if ($strpos($path_this,$search) !== false){
$result['folderList'][]= array(
'name' => iconv_app(get_path_this($f)),
'path' => iconv_app($f)
);
}
}
}
return $result;
}
// 文件搜索；返回行及关键词附近行
// 优化搜索算法 提高100被性能
function file_search($path,$search,$is_case){
$strpos = 'stripos';//是否区分大小写
if ($is_case) $strpos = 'strpos';
//文本文件 超过40M不再搜索
if(@filesize($path) >= 1024*1024*40){
return false;
}
$content = file_get_contents($path);
if( $strpos($content,"\0") > 0 ){// 不是文本文档
unset($content);
return false;
}
$charset = get_charset($content);
//搜索关键字为纯英文则直接搜索；含有中文则转为utf8再搜索，为兼容其他文件编码格式
$notAscii = preg_match("/[\x7f-\xff]/", $search);
if($notAscii && !in_array($charset,array('utf-8','ascii'))){
$content = iconv_to($content,$charset,'utf-8');
}
//文件没有搜索到目标直接返回
if ($strpos($content,$search) === false){
unset($content);
return false;
}
$pose = 0;
$file_size = strlen($content);
$arr_search = array(); // 匹配结果所在位置
while ( $pose !== false) {
$pose = $strpos($content,$search, $pose);
if($pose !== false){
$arr_search[] = $pose;
$pose ++;
}else{
break;
}
}
$arr_line = array();
$pose = 0;
while ( $pose !== false) {
$pose = strpos($content, "\n", $pose);
if($pose !== false){
$arr_line[] = $pose;
$pose ++;
}else{
break;
}
}
$arr_line[] = $file_size;//文件只有一行而且没有换行，则构造虚拟换行
$result = array();// [2,10,22,45,60] [20,30,40,50,55]
$len_search = count($arr_search);
$len_line = count($arr_line);
for ($i=0,$line=0; $i < $len_search && $line < $len_line; $line++) {
while ( $arr_search[$i] <= $arr_line[$line]) {
//行截取字符串
$cur_pose = $arr_search[$i];
$from = $line == 0 ? 0:$arr_line[$line-1];
$to = $arr_line[$line];
$len_max = 300;
if( $to - $from >= $len_max){ //长度过长处理
$from = $cur_pose - 20;
$from = $from <= 0 ? 0 : $from;
$to = $from + $len_max;
//中文避免截断；（向前 向后找到分隔符后终止）
$token = array("\r","\n"," ","\t",",","/","#","_","[","]","(",")","+","-","*","/","=","&");
while (!in_array($content[$from],$token) && $from >= 0) {
$from -- ;
}
while (!in_array($content[$to],$token) && $to <= $file_size) {
$to ++ ;
}
}
$line_str = substr($content,$from,$to - $from);
if($strpos($line_str,$search) === false){ //截取乱码避免
$line_str = $search;
}
$result[] = array('line'=>$line+1,'str'=>$line_str);
if(++$i >= $len_search ){
break;
}
}
}
$info = file_info($path);
$info['searchInfo'] = $result;
unset($content);
return $info;
}
/**
* 修改文件、文件夹权限
* @param $path 文件(夹)目录
* @return :string
*/
function chmod_path($path,$mod){
if (!isset($mod)) $mod = 0777;
if (!file_exists($path)) return false;
if (is_file($path)) return @chmod($path,$mod);
if (!$dh = @opendir($path)) return false;
while (($file = readdir($dh)) !== false){
if ($file =='.' || $file =='..') continue;
$fullpath = $path . '/' . $file;
chmod_path($fullpath,$mod);
@chmod($fullpath,$mod);
}
closedir($dh);
return @chmod($path,$mod);
}
/**
* 文件大小格式化
*
* @param $ :$bytes, int 文件大小
* @param $ :$precision int 保留小数点
* @return :string
*/
function size_format($bytes, $precision = 2){
if ($bytes == 0) return "0 B";
$unit = array(
'TB' => 1099511627776, // pow( 1024, 4)
'GB' => 1073741824, // pow( 1024, 3)
'MB' => 1048576, // pow( 1024, 2)
'kB' => 1024, // pow( 1024, 1)
'B ' => 1, // pow( 1024, 0)
);
foreach ($unit as $un => $mag) {
if (doubleval($bytes) >= $mag)
return round($bytes / $mag, $precision).' '.$un;
}
}
/**
* 判断路径是不是绝对路径
* 返回true('/foo/bar','c:\windows').
*
* @return 返回true则为绝对路径，否则为相对路径
*/
function path_is_absolute($path){
if (realpath($path) == $path)// *nux 的绝对路径 /home/my
return true;
if (strlen($path) == 0 || $path[0] == '.')
return false;
if (preg_match('#^[a-zA-Z]:\\\\#', $path))// windows 的绝对路径 c:\aaa\
return true;
return (bool)preg_match('#^[/\\\\]#', $path); //绝对路径 运行 / 和 \绝对路径，其他的则为相对路径
}
function is_text_file($ext){
$ext_arr = array(
"txt","textile",'oexe','inc','csv','log','asc','tsv','lnk','url','webloc','meta',"localized",
"xib","xsd","storyboard","plist","csproj","pch","pbxproj","local","xcscheme","manifest","vbproj",
"strings",'jshintrc','sublime-project','readme','changes',"changelog",'version','license','changelog',
"abap","abc","as","asp",'aspx',"ada","adb","htaccess","htgroups","htgroups",
"htpasswd","asciidoc","adoc","asm","a","ahk","bat","cmd","cpp","c","cc","cxx","h","hh","hpp",
"ino","c9search_results","cirru","cr","clj","cljs","cbl","cob","coffee","cf","cson","cakefile",
"cfm","cs","css","curly","d","di","dart","diff","patch","dockerfile","dot","dummy","dummy","e",
"ge","ejs","ex","exs","elm","erl","hrl","frt","fs","ldr","ftl","gcode","feature",".gitignore",
"glsl","frag","vert","gbs","go","groovy","haml","hbs","handlebars","tpl","mustache","hs","hx",
"html","hta","htm","xhtml","eex","html.eex","erb","rhtml","html.erb","ini",'inf',"conf","cfg","prefs","io",
"jack","jade","java","ji","jl","jq","js","jsm","json","jsp","jsx","latex","ltx","bib",
"lean","hlean","less","liquid","lisp","ls","logic","lql","lsl","lua","lp","lucene","Makefile","makemakefile",
"gnumakefile","makefile","ocamlmakefile","make","md","markdown","mask","matlab","mz","mel",
"mc","mush","mysql","nix","nsi","nsh","m","mm","ml","mli","pas","p","pl","pm","pgsql","php",
"phtml","shtml","php3","php4","php5","phps","phpt","aw","ctp","module","ps1","praat",
"praatscript","psc","proc","plg","prolog","properties","proto","py","r","cshtml","rd",
"rhtml","rst","rb","ru","gemspec","rake","guardfile","rakefile","gemfile","rs","sass",
"scad","scala","scm","sm","rkt","oak","scheme","scss","sh","bash","bashrc","sjs","smarty",
"tpl","snippets","soy","space","sql","sqlserver","styl","stylus","svg","swift","tcl","tex",
"toml","twig","swig","ts","typescript","str","vala","vbs","vb","vm","v","vh",
"sv","svh","vhd","vhdl","wlk","wpgm","wtest","xml","rdf","rss","wsdl","xslt","atom","mathml",
"mml","xul","xbl","xaml","xq","yaml","yml",
"cer","reg","config"
);
if(in_array($ext,$ext_arr)){
return true;
}else{
return false;
}
}
/**
* 输出、文件下载，断点续传支持
* 默认以附件方式下载；$download为false时则为输出文件
* 视频播放拖拽：流媒体服务器
* 文件缓存：http://blog.csdn.net/eroswang/article/details/8302191
*/
function file_put_out($file,$download=-1,$downFilename=false){
$error = false;
if (!file_exists($file)){
$error = 'file not exists';
}else if (!path_readable($file)){
$error = 'file not readable';
}else if (!$fp = @fopen($file, "rb")){
$error = 'file open error!';
}
if($error !== false){
if($downFilename === false){
return;
}else{
show_json($error,false);
}
}
$start= 0;
$file_size = get_filesize($file);
$end = $file_size - 1;
@ob_end_clean();
@set_time_limit(0);
$time = gmdate('D, d M Y H:i:s',filemtime($file));
$filename = get_path_this($file);
if($downFilename !== false){
$filename = $downFilename;
}
$mime = get_file_mime(get_path_ext($filename));
$filenameOutput = rawurlencode(iconv_app($filename));
if ($download === -1 && !mime_support($mime)){
$download = true;
}
$headerName = $filenameOutput;
if(ua_has("Chrome") && !ua_has('Edge')){ //chrome下载
$filenameOutput = '"'.$filenameOutput.'"';
}
if(!is_wap()){
$headerName.=";filename*=utf-8''".$filenameOutput;
}
if( ua_has("Safari") && !ua_has('Edge')){//safari 中文下载问题
$headerName = rawurldecode($filenameOutput);
}
//var_dump($headerName,$filenameOutput,$_SERVER['HTTP_USER_AGENT']);exit;
if ($download) {
header('Content-Type: application/octet-stream');
header('Content-Transfer-Encoding: binary');
header('Content-Disposition: attachment;filename='.$headerName);
}else{
header('Content-Type: '.$mime);
header('Content-Disposition: inline;filename='.$headerName);
if(strstr($mime,'text/')){
//$charset = get_charset(file_get_contents($file));
header('Content-Type: '.$mime.'; charset=');//避免自动追加utf8导致gbk网页乱码
}
}
//缓存文件
header('Expires: '.gmdate('D, d M Y H:i:s',time()+3600*24*20).' GMT');
header('Cache-Pragma: public');
header('Pragma: public');
header('Cache-Control: cache, must-revalidate');
if (isset($_SERVER['If-Modified-Since']) &&
(strtotime($_SERVER['If-Modified-Since']) == filemtime($file))) {
header('304 Not Modified', true, 304);
exit;
}
$etag = '"'.md5($time.$file_size).'"';
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag){
header("Etag: ".$etag, true, 304);
exit;
}
header('Etag: '.$etag);
header('Last-Modified: '.$time.' GMT');
header("X-OutFileName: ".$filenameOutput);
header("X-Powered-By: kodExplorer.");
//调用webserver下载
$server = strtolower($_SERVER['SERVER_SOFTWARE']);
if($server && $GLOBALS['config']['settings']['httpSendFile']){
if(strstr($server,'nginx')){//nginx
header("X-Sendfile: ".$file);
}else if(strstr($server,'apache')){ //apache
header('X-Accel-Redirect: '.$file);
}else if(strstr($server,'http')){//light http
header( "X-LIGHTTPD-send-file: " . $file);
}
return;
}
//远程路径不支持断点续传；打开zip内部文件
if(!file_exists($file)){
header('HTTP/1.1 200 OK');
header('Content-Length: '.($end+1));
return;
}
header("Accept-Ranges: bytes");
if (isset($_SERVER['HTTP_RANGE'])){
if (preg_match('/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER['HTTP_RANGE'], $matches)){
$start = intval($matches[1]);
if (!empty($matches[2])){
$end = intval($matches[2]);
}
}
header('HTTP/1.1 206 Partial Content');
}else{
header('HTTP/1.1 200 OK');
}
if(isset($_GET['start'])){//flash video
$start = intval($_GET['start']);
}
header('Content-Length:' . (($end - $start) + 1));
if (isset($_SERVER['HTTP_RANGE']) || isset($_GET['start'])){
header("Content-Range: bytes $start-$end/".$file_size);
}
//输出文件
$cur = $start;
fseek($fp, $start,0);
while(!feof($fp) && $cur <= $end){ // && (connection_status() == 0)
print fread($fp, min(1024 * 200, ($end - $cur) + 1));
$cur += 1024 *200;
flush();
}
fclose($fp);
}
/**
* 远程文件下载到服务器
* 支持fopen的打开都可以；支持本地、url
*/
function file_download_this($from, $fileName,$headerSize=0){
@set_time_limit(0);
$fileTemp = $fileName.'.downloading';
if ($fp = @fopen ($from, "rb")){
if(!$downloadFp = @fopen($fileTemp, "wb")){
return false;
}
while(!feof($fp)){
if(!file_exists($fileTemp)){//删除目标文件；则终止下载
fclose($downloadFp);
return false;
}
//对于部分fp不结束的通过文件大小判断
clearstatcache();
if( $headerSize>0 &&
$headerSize==get_filesize(iconv_system($fileTemp))
){
break;
}
fwrite($downloadFp, fread($fp, 1024 * 200 ), 1024 * 200);
}
//下载完成，重命名临时文件到目标文件
fclose($downloadFp);
fclose($fp);
if(!@rename($fileTemp,$fileName)){
unlink($fileName);
return rename($fileTemp,$fileName);
}
return true;
}else{
return false;
}
}
/**
* 获取文件(夹)权限 rwx_rwx_rwx
*/
function get_mode($file){
$Mode = @fileperms($file);
$theMode = ' '.decoct($Mode);
$theMode = substr($theMode,-4);
$Owner = array();$Group=array();$World=array();
if ($Mode &0x1000) $Type = 'p'; // FIFO pipe
elseif ($Mode &0x2000) $Type = 'c'; // Character special
elseif ($Mode &0x4000) $Type = 'd'; // Directory
elseif ($Mode &0x6000) $Type = 'b'; // Block special
elseif ($Mode &0x8000) $Type = '-'; // Regular
elseif ($Mode &0xA000) $Type = 'l'; // Symbolic Link
elseif ($Mode &0xC000) $Type = 's'; // Socket
else $Type = 'u'; // UNKNOWN
// Determine les permissions par Groupe
$Owner['r'] = ($Mode &00400) ? 'r' : '-';
$Owner['w'] = ($Mode &00200) ? 'w' : '-';
$Owner['x'] = ($Mode &00100) ? 'x' : '-';
$Group['r'] = ($Mode &00040) ? 'r' : '-';
$Group['w'] = ($Mode &00020) ? 'w' : '-';
$Group['e'] = ($Mode &00010) ? 'x' : '-';
$World['r'] = ($Mode &00004) ? 'r' : '-';
$World['w'] = ($Mode &00002) ? 'w' : '-';
$World['e'] = ($Mode &00001) ? 'x' : '-';
// Adjuste pour SUID, SGID et sticky bit
if ($Mode &0x800) $Owner['e'] = ($Owner['e'] == 'x') ? 's' : 'S';
if ($Mode &0x400) $Group['e'] = ($Group['e'] == 'x') ? 's' : 'S';
if ($Mode &0x200) $World['e'] = ($World['e'] == 'x') ? 't' : 'T';
$Mode = $Type.$Owner['r'].$Owner['w'].$Owner['x'].' '.
$Group['r'].$Group['w'].$Group['e'].' '.
$World['r'].$World['w'].$World['e'];
return $Mode.'('.$theMode.')';
}
/**
* 获取可以上传的最大值
* return * byte
*/
function get_post_max(){
$upload = ini_get('upload_max_filesize');
$upload = $upload==''?ini_get('upload_max_size'):$upload;
$post = ini_get('post_max_size');
$upload = intval($upload)*1024*1024*0.8;
$post = intval($post)*1024*1024*0.8;
$the_max = $upload<$post?$upload:$post;
return $the_max==0?1024*1024*0.5:$the_max;//获取不到则500k
}
function path_clear($path){
$path = str_replace('\\','/',trim($path));
$path = preg_replace('/\/+/', '/', $path);
if (strstr($path,'../')) {
$path = preg_replace('/\/\.+\//', '/', $path);
}
return $path;
}
function path_clear_name($path){
$path = str_replace('\\','/',trim($path));
$path = str_replace('/','.',trim($path));
return $path;
}
// 兼容move_uploaded_file 和 流的方式上传
function kod_move_uploaded_file($fromPath,$savePath){
$tempPath = $savePath.'.parttmp';
if($fromPath == "base64"){
@file_put_contents($tempPath,base64_decode($_POST['file']));
}else if($fromPath == "php://input"){
$in = @fopen($fromPath, "rb");
$out = @fopen($tempPath, "wb");
if(!$in || !$out) return false;
while (!feof($in)) {
fwrite($out, fread($in, 1024*200));
}
fclose($in);
fclose($out);
}else{
if(!move_uploaded_file($fromPath,$tempPath)){
show_json('move uploaded file error!',false);
}
}
$result = rename($tempPath,$savePath);
chmod_path($savePath,DEFAULT_PERRMISSIONS);
return $result;
}
function check_upload($error){
$status = array(
'UPLOAD_ERR_OK', //0 没有错误发生，文件上传成功。
'UPLOAD_ERR_INI_SIZE', //1 上传的文件超过了php.ini 中 upload_max_filesize 选项限制的值。
'UPLOAD_ERR_FORM_SIZE', //2 上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。
'UPLOAD_ERR_PARTIAL', //3 文件只有部分被上传。
'UPLOAD_ERR_NO_FILE', //4 没有文件被上传。
'UPLOAD_UNKNOW', //5 未定义
'UPLOAD_ERR_NO_TMP_DIR',//6 找不到临时文件夹。php 4.3.10 和 php 5.0.3 引进。
'UPLOAD_ERR_CANT_WRITE',//7 文件写入失败。php 5.1.0 引进。
);
return $error.':'.$status[$error];
}
//拍照上传
function updload_ios_check($fileName,$in){
if(!is_wap()) return $fileName;
if($fileName == "image.jpg" || $fileName == "image.jpeg"){
return date('YmdHis',time()).'-'.rand_string(4,1).'.jpg';
}
return $fileName;
}
/**
* 文件上传处理。大文件支持分片上传
* upload('file','D:/www/');
*
* post上传：base64Upload=1;file=base64str;name=filename
*/
function upload($path,$tempPath,$repeatAction='replace'){
global $in;
$fileInput = 'file';
$fileName = "";
if (!empty($_FILES)) {
$fileName = iconv_system(path_clear_name($_FILES[$fileInput]["name"]));
$uploadFile = $_FILES[$fileInput]["tmp_name"];
if(!$uploadFile && $_FILES[$fileInput]['error']>0){
show_json(check_upload($_FILES[$fileInput]['error']),false);
}
$fileName = updload_ios_check($fileName,$in);//拍照上传
}else if (isset($in["name"])) {
$fileName = iconv_system(path_clear_name($in["name"]));
$uploadFile = "php://input";
if(isset($in['base64Upload'])){
$uploadFile = "base64";
}
$fileName = updload_ios_check($fileName,$in);//拍照上传
}else if( isset($in["check_md5"]) ) {//断点续传检测
$fileName = iconv_system(path_clear_name($in["name"]));
$savePath = get_filename_auto($path.$fileName,""); //自动重命名
return upload_chunk("--check_md5--",$tempPath,$savePath);
}else{
show_json('param error',false);
}
//正常上传
$savePath = get_filename_auto($path.$fileName,"",$repeatAction); //自动重命名
Hook::trigger('uploadFileBefore',$savePath);
if($savePath === false){
show_json('upload_exist_skip',false);
}
$chunks = isset($in["chunks"]) ? intval($in["chunks"]) : 1;
if ($chunks > 1) {//并发上传，不一定有前后顺序
return upload_chunk($uploadFile,$tempPath,$savePath);
}
if(kod_move_uploaded_file($uploadFile,$savePath)){
if( isset($in['size']) && filesize($savePath) != $in['size'] ){
unlink($savePath);
show_json('move_error',false);
}
Hook::trigger('uploadFileAfter',$savePath);
show_json('upload_success',true,iconv_app(_DIR_OUT($savePath)));
}else {
show_json('move_error',false);
}
}
function upload_chunk($uploadFile,$tempPath,$savePath){
global $in;
$chunk = isset($in["chunk"]) ? intval($in["chunk"]) : 0;
$chunks = isset($in["chunks"]) ? intval($in["chunks"]) : 1;
$check_md5 = isset($in["check_md5"]) ? $in["check_md5"] : false;
//if(mt_rand(0, 100) < 50) die("server error".$chunk); //分片失败重传
//文件分块检测是否已上传，已上传则忽略；断点续传
if($check_md5 !== false){
$chunk_file_pre = $tempPath.md5($savePath).'.part';
$chunk_file = $chunk_file_pre.$chunk;
if( file_exists($chunk_file) && md5_file($chunk_file) == $check_md5){
$arr = array();
for($index = 0; $index<$chunks; $index++ ){
if(file_exists($chunk_file_pre.$index)){
$arr['part_'.$index] = md5_file($chunk_file_pre.$index);
}
}
show_json('success',true,$arr);
}else{
show_json('not_exists',false);
}
}
$tempFilePre = $tempPath.md5($savePath).'.part';
if(kod_move_uploaded_file($uploadFile, $tempFilePre.$chunk)){
$done = true;
for($index = 0; $index<$chunks; $index++ ){
if (!file_exists($tempFilePre.$index)) {
$done = false;
break;
}
}
if (!$done){
show_json('upload_success',true);
}else{
$savePathTemp = $tempFilePre.mtime();
if(!$out = fopen($savePathTemp, "wb")){
show_json('no_permission_write',false);
}
if (!flock($out, LOCK_EX)) {
show_json('lock dist move error',false);
}else{
for( $index = 0; $index < $chunks; $index++ ) {
$chunk_file = $tempFilePre.$index;
if (!$fp_in = @fopen($chunk_file,"rb")){//并发情况下另一个访问时文件已删除
flock($out, LOCK_UN);
fclose($out);
unlink($savePathTemp);
show_json('open chunk error! cur='.$chunk.';index='.$index,false);
}
while (!feof($fp_in)) {
fwrite($out, fread($fp_in,1024*200));
}
fclose($fp_in);
unlink($chunk_file);
}
flock($out, LOCK_UN);
fclose($out);
}
}
$res = rename($savePathTemp,$savePath);
if( isset($in['size']) && filesize($savePath) != $in['size'] ){
unlink($savePath);
show_json('move_error',false);
}
if(!$res){
unlink($savePath);
$res = rename($savePathTemp,$savePath);
if(!$res){
show_json('move(rename) dist file error!',false);
}
}
Hook::trigger('uploadFileAfter',$savePath);
show_json('upload_success',true,iconv_app(_DIR_OUT($savePath)));
}else {
show_json('move_error',false);
}
}
/**
* 写日志
* @param string $log 日志信息
* @param string $type 日志类型 [system|app|...]
* @param string $level 日志级别
* @return boolean
*/
function write_log($log, $type = 'default', $level = 'log'){
if(!defined('LOG_PATH')){
return;
}
list($usec, $sec) = explode(' ', microtime());
$now_time = date('[H:i:s.').substr($usec,2,3).'] ';
$target = LOG_PATH . strtolower($type) . '/';
mk_dir($target);
if (!path_writeable($target)){
exit('path can not write!');
}
$ext = '.php';//.php .log;
$target .= date('Y_m_d').'__'.$level.$ext;
//检测日志文件大小, 超过配置大小则重命名
if (file_exists($target) && get_filesize($target) >= 1024*1024*10) {
$fileName = substr(basename($target),0,strrpos(basename($target),$ext)).date('H:i:s').$ext;
rename($target, dirname($target) .'/'. $fileName);
}
if(!file_exists($target)){
error_log("<?php exit;?>\n", 3,$target);
}
if(is_object($log) || is_array($log)){
$log = json_encode_force($log);
}
clearstatcache();
return error_log("$now_time $log\n", 3, $target);
}