Tangframework Upload class-PHP source code

Tangframework Upload class

Namespace Tang \ Util; use Tang \ Exception \ SystemException; use Tang \ Services \ FileService; use Tang \ Storage \ Drivers \ IStorage; /*** file Upload component * Class Upload * @ package Tang \ Util */class Upload {/*** file suffix * @ var array */private $ allowExts = array ('jpg ', 'jpeg ', 'GIF', 'PNG', 'bmp ');/*** check whether the security type is correct * @ var boolean */private $ allowSafeCheck = true; /*** file suffix * @ var string */private $ ext = '';/*** Upload the maximum size (K is in the unit of 1 M = 1024 K) * @ var int */private $ maxSize = 1024;/*** storage Engine * @ var IStorage */protected $ storage; /*** @ param IStorage $ storage engine * @ param int $ maxSize maximum size * @ param bool $ allowSafeCheck whether security check is allowed * @ param array $ exts indicates the suffix that can be uploaded * /public function _ construct (IStorage $ storage, $ maxSize = 0, $ allowSafeCheck = true, array $ exts = array () {$ this-> setStorage ($ storage)-> setMaxSize ($ maxSize)-> setA LlowSafe ($ allowSafeCheck); if ($ exts) {$ this-> setAllowExts ($ exts );}} /*** set the maximum size of the uploaded data to 0 when it is set to 0 * @ param int $ maxSize * @ return $ this */public function setMaxSize ($ maxSize = 0) {$ maxSize = (int) $ maxSize; $ this-> maxSize = $ maxSize> 0? $ MaxSize: 0; return $ this ;} /*** set the file suffix array that can be uploaded * @ param array $ exts * @ return $ this */public function setAllowExts (array $ exts) {$ this-> allowExts = $ exts; return $ this ;} /*** set whether to allow security type check * @ param boolean $ allowSafeCheck * @ return $ this */public function setAllowSafe ($ allowSafeCheck = true) {$ this-> allowSafeCheck = $ allowSafeCheck; return $ this;}/*** set storage Engine * @ param IStorage $ storage * @ Return $ this */public function setStorage (IStorage $ storage) {$ this-> storage = $ storage; return $ this ;} /*** if the file control contains array information similar to file [], if you need to use your own address. * $ FileName: you need to pass an array to the file to be uploaded * @ param string $ filed the name of the field to be uploaded in the file control * @ param mixed $ if the file name generated by fileName is not filled in, it is the system automatically generate the file address * @ return array * @ throws NotFoundFileUploadException * @ throws UploadErrorException * @ throws UploadSafeCheckException */public function move ($ filed, $ fileName = null) {if (! Isset ($ _ FILES [$ filed]) {throw new NotFoundFileUploadException ($ filed);} $ uploadFile = $ _ FILES [$ filed]; if (is_array ($ uploadFile ['name']) {$ fileStructs = array (); if (! Is_array ($ fileName) {$ fileName = array ();} foreach ($ uploadFile ['name'] as $ key => $ value) {$ fileStructs [$ key] = $ this-> uploadHandle (array ('name' => $ value, 'type' => $ uploadFile ['type'] [$ key], 'tmp _ name' => $ uploadFile ['tmp _ name'] [$ key], 'Error' => $ uploadFile ['error'] [$ key], 'size' => $ uploadFile ['size'] [$ key]), isset ($ fileName [$ key]) & $ fileName [$ key]? $ FileName [$ key]: '');} return $ fileStructs;} else {return $ this-> uploadHandle ($ uploadFile, $ fileName );}} private function uploadHandle ($ uploadFile, $ fileName = '') {if ($ uploadFile ['error']> 0) {throw new UploadErrorException ('file upload error '. $ uploadFile ['error'], null, 50001 + $ uploadFile ['error']);} else if (! Is_uploaded_file ($ uploadFile ['tmp _ name']) {throw new UploadErrorException ('illegal file upload! ', Null, 50010);} // Determine the suffix $ this-> ext = FileService: getService ()-> getExtension ($ uploadFile ['name']); if ($ this-> allowExts &&! In_array ($ this-> ext, $ this-> allowExts) {throw new UploadSafeCheckException ('only allowed to upload the [% s] file! ', Array (implode (', ', $ this-> allowExts), 50001);} if ($ this-> maxSize> 0) {$ maxSize = 1024 * $ this-> maxSize; if ($ uploadFile ['size']> $ maxSize) {throw new UploadErrorException ('upload file size is [% d byte], is greater than the set of [% d byte]! ', Array ($ uploadFile ['size'], $ maxSize), 50000 );}} // security type check if ($ this-> allowExts & in_array ($ this-> ext, array ('jpeg ', 'jpg', 'GIF', 'PNG ', 'bmp '))&&! $ This-> picScan ($ uploadFile ['tmp _ name']) {throw new UploadSafeCheckException ('The uploaded file is not a [% s] file! ', Array ($ this-> ext), 50011 );}! $ FileName & $ fileName = $ this-> createFilePath (); $ fileStruct = $ this-> storage-> putFile ($ uploadFile ['tmp _ name'], $ fileName); $ fileStruct ['name'] = $ uploadFile ['name']; return $ fileStruct ;} /*** check whether the file is an image * @ param string $ fileName * @ return boolean */private function picScan ($ fileName) {$ tempImageSize = @ getimagesize ($ fileName ); list ($ tempWidth, $ tempHeight, $ tempType) = (array) $ tempImageSize; $ tempSize = $ tempWidth * $ tempHeight; if ($ tempSize> 16777216 | $ tempSize <4 | empty ($ tempType) | strpos ($ tempImageSize ['Mime '], 'flash')> 0) {return false;} return true;}/*** build Upload path */private function createFilePath () {return date ('ym/d /'). sha1 (uniqid (mt_rand (), 1 )). '. '. $ this-> ext ;}}