add check img type by data
This commit is contained in:
parent
113a0f1d62
commit
01de45e729
@ -1,140 +1,147 @@
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<?php
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/*文件扩展名说明
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*7173 gif *255216 jpg *13780 png *6677 bmp *239187 txt,aspx,asp,sql *208207 xls.doc.ppt *6063 xml *6033 htm,html *4742 js
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*8075 xlsx,zip,pptx,mmap,zip *8297 rar *01 accdb,mdb *7790 exe,dll *5666 psd *255254 rdp *10056 bt种子 *64101 bat
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*/
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function getFileType( $file ){
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$fp = fopen($file, "rb");
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$bin = fread($fp, 2); //只读2字节
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fclose($fp);
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$str_info = @unpack("C2chars", $bin);
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$type_code = intval($str_info['chars1'].$str_info['chars2']);
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$file_type = '';
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switch ($type_code) {
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case 239187:
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$file_type = 'txt';
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break;
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case 7784:
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$file_type = 'midi';
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break;
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case 8075:
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$file_type = 'zip';
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break;
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case 8297:
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$file_type = 'rar';
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break;
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case 255216:
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$file_type = 'jpg';
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break;
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case 7173:
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$file_type = 'gif';
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break;
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case 6677:
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$file_type = 'bmp';
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break;
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case 13780:
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$file_type = 'png';
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break;
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default:
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$file_type = 'unknown';
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break;
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}
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return $file_type;
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}
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function isAjax(){
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if( isset( $GLOBALS['__isAjax'] ) ){
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return $GLOBALS['__isAjax'];
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}
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$headers = apache_request_headers();
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$GLOBALS['__isAjax'] = (isset( $headers['X-Requested-With'] ) && ( $headers['X-Requested-With'] == 'XMLHttpRequest' )) || (isset( $headers['x-requested-with'] ) && ($headers['x-requested-with'] == 'XMLHttpRequest' ));
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return $GLOBALS['__isAjax'];
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}
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function c( $name ){
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if( !isset( $GLOBALS['__config'] ) ){
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$__config = NULL;
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include( ENGINE.'config/core.config.php' );
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include( ROOT.'config/app.config.php' );
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$GLOBALS['__config'] = $__config;
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}
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if( isset( $GLOBALS['__config'][$name] ) ){
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return $GLOBALS['__config'][$name];
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}
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else{
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return false;
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}
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}
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function db(){
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if( !$GLOBALS['__db'] ){
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$GLOBALS['__db'] = new Db();
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}
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return $GLOBALS['__db'];
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}
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function get_ip() {
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if (isSet($_SERVER)) {
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if (isSet($_SERVER["HTTP_X_FORWARDED_FOR"])) {
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$realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
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} elseif (isSet($_SERVER["HTTP_CLIENT_IP"])) {
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$realip = $_SERVER["HTTP_CLIENT_IP"];
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} else {
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$realip = $_SERVER["REMOTE_ADDR"];
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}
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} else {
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if ( getenv( 'HTTP_X_FORWARDED_FOR' ) ) {
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$realip = getenv( 'HTTP_X_FORWARDED_FOR' );
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} elseif ( getenv( 'HTTP_CLIENT_IP' ) ) {
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$realip = getenv( 'HTTP_CLIENT_IP' );
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} else {
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$realip = getenv( 'REMOTE_ADDR' );
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}
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}
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return current( explode(',' , $realip ) );
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}
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function v( $str ){
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return getDataFromArray( $str , $_REQUEST );
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}
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function p( $str ){
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return getDataFromArray( $str , $_POST );
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}
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function getDataFromArray( $array , $data ){
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if( is_array( $array ) ){
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$return = array();
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foreach( $array as $v ){
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if( isset( $data[$v] ) && $data[$v] !== '' ){
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$return[trim($v)] = $data[$v];
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}
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}
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return $return;
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}
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return isset( $data[$array] )?$data[$array]:false;
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}
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function render( $data , $__showPage = NULL , $layout = NULL , $layoutTpl = true ){
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$__showPage = strtolower( $__showPage);
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if( $layout == NULL ){
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$layout = 'default';
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}
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if( isAjax() ){
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$requiteFile = ROOT.'themes/'.$layout.'/ajax/'.$__showPage.'.tpl.html';
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}else{
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$requiteFile = ROOT.'themes/'.$layout.'/'.($layoutTpl?'layout':$__showPage).'.tpl.html';
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}
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if( !is_file( $requiteFile ) ){
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die('can\'t load themes '.$__showPage.' files ');
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}
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@extract( $data );
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require( $requiteFile );
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}
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if(!function_exists('apache_request_headers')) {
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function apache_request_headers(){
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foreach($_SERVER as $key=>$value){
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if (substr($key,0,5)=="HTTP_") {
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$key=str_replace(" ","-",ucwords(strtolower(str_replace("_"," ",substr($key,5)))));
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$out[$key]=$value;
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}
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}
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return $out;
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}
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}
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function safeUrlString( $str ){
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$str = urldecode($str);
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return str_replace( array( '.' , '/' ) , array() , $str );
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<?php
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/*文件扩展名说明
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*7173 gif *255216 jpg *13780 png *6677 bmp *239187 txt,aspx,asp,sql *208207 xls.doc.ppt *6063 xml *6033 htm,html *4742 js
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*8075 xlsx,zip,pptx,mmap,zip *8297 rar *01 accdb,mdb *7790 exe,dll *5666 psd *255254 rdp *10056 bt种子 *64101 bat
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*/
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function getFileTypeByRaw( $data ){
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$bin = $data[0].$data[1];
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return getFileTypeBybin( $bin );
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}
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function getFileType( $file ){
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$fp = fopen($file, "rb");
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$bin = fread($fp, 2); //只读2字节
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fclose($fp);
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return getFileTypeBybin( $bin );
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}
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function getFileTypeBybin( $bin ){
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$str_info = @unpack("C2chars", $bin);
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$type_code = intval($str_info['chars1'].$str_info['chars2']);
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$file_type = '';
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switch ($type_code) {
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case 239187:
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$file_type = 'txt';
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break;
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case 7784:
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$file_type = 'midi';
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break;
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case 8075:
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$file_type = 'zip';
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break;
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case 8297:
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$file_type = 'rar';
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break;
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case 255216:
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$file_type = 'jpg';
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break;
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case 7173:
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$file_type = 'gif';
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break;
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case 6677:
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$file_type = 'bmp';
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break;
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case 13780:
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$file_type = 'png';
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break;
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default:
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$file_type = 'unknown';
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break;
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}
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return $file_type;
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}
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function isAjax(){
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if( isset( $GLOBALS['__isAjax'] ) ){
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return $GLOBALS['__isAjax'];
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}
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$headers = apache_request_headers();
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$GLOBALS['__isAjax'] = (isset( $headers['X-Requested-With'] ) && ( $headers['X-Requested-With'] == 'XMLHttpRequest' )) || (isset( $headers['x-requested-with'] ) && ($headers['x-requested-with'] == 'XMLHttpRequest' ));
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return $GLOBALS['__isAjax'];
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}
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function c( $name ){
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if( !isset( $GLOBALS['__config'] ) ){
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$__config = NULL;
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include( ENGINE.'config/core.config.php' );
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include( ROOT.'config/app.config.php' );
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$GLOBALS['__config'] = $__config;
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}
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if( isset( $GLOBALS['__config'][$name] ) ){
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return $GLOBALS['__config'][$name];
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}
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else{
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return false;
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}
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}
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function db(){
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if( !$GLOBALS['__db'] ){
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$GLOBALS['__db'] = new Db();
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}
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return $GLOBALS['__db'];
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}
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function get_ip() {
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if (isSet($_SERVER)) {
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if (isSet($_SERVER["HTTP_X_FORWARDED_FOR"])) {
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$realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
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} elseif (isSet($_SERVER["HTTP_CLIENT_IP"])) {
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$realip = $_SERVER["HTTP_CLIENT_IP"];
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} else {
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$realip = $_SERVER["REMOTE_ADDR"];
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}
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} else {
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if ( getenv( 'HTTP_X_FORWARDED_FOR' ) ) {
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$realip = getenv( 'HTTP_X_FORWARDED_FOR' );
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} elseif ( getenv( 'HTTP_CLIENT_IP' ) ) {
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$realip = getenv( 'HTTP_CLIENT_IP' );
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} else {
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$realip = getenv( 'REMOTE_ADDR' );
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}
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}
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return current( explode(',' , $realip ) );
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}
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function v( $str ){
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return getDataFromArray( $str , $_REQUEST );
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}
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function p( $str ){
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return getDataFromArray( $str , $_POST );
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}
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function getDataFromArray( $array , $data ){
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if( is_array( $array ) ){
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$return = array();
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foreach( $array as $v ){
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if( isset( $data[$v] ) && $data[$v] !== '' ){
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$return[trim($v)] = $data[$v];
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}
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}
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return $return;
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}
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return isset( $data[$array] )?$data[$array]:false;
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}
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function render( $data , $__showPage = NULL , $layout = NULL , $layoutTpl = true ){
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$__showPage = strtolower( $__showPage);
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if( $layout == NULL ){
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$layout = 'default';
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}
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if( isAjax() ){
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$requiteFile = ROOT.'themes/'.$layout.'/ajax/'.$__showPage.'.tpl.html';
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}else{
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$requiteFile = ROOT.'themes/'.$layout.'/'.($layoutTpl?'layout':$__showPage).'.tpl.html';
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}
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if( !is_file( $requiteFile ) ){
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die('can\'t load themes '.$__showPage.' files ');
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}
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@extract( $data );
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require( $requiteFile );
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}
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if(!function_exists('apache_request_headers')) {
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function apache_request_headers(){
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foreach($_SERVER as $key=>$value){
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if (substr($key,0,5)=="HTTP_") {
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$key=str_replace(" ","-",ucwords(strtolower(str_replace("_"," ",substr($key,5)))));
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$out[$key]=$value;
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}
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}
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return $out;
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}
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}
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function safeUrlString( $str ){
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$str = urldecode($str);
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return str_replace( array( '.' , '/' ) , array() , $str );
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}
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