文件上传插件jQuery-File-Upload结合CI框架案例

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>首页</title> <link href="/css/bootstrap.min.css" rel="stylesheet" media="screen"/> <script type="text/javascript" src="/js/jquery-1.10.2.min.js"></script> <link href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.css" rel="stylesheet"/>  <script type="text/javascript" src="/js/common.js"></script>      <link rel="stylesheet" href="/assets/css/style.css"/>    <link rel="stylesheet" href="/assets/css/jquery.fileupload-ui.css"/> </head> <body>  <div class="mainWrap"> <div class="row-fluid"> <div class="main"> <div class="span9"> <div class="rightBar"> <div class="content"> <form class="form-horizontal" id="fileupload" action="/profile/pubRaider" method="post" enctype="multipart/form-data"> <fieldset> <legend>图片上传</legend>  <div class="fileupload-buttonbar"> <div class="span12">  <span class="btn btn-success fileinput-button"> <i class="icon-plus"></i> <span>添加文件</span> <input type="file" name="files[]" multiple/> <input type="hidden" id="dir_token" value="<?php echo $dir_token?>" /> <input type="hidden" id="action" value="<?php echo $action?>" /> </span> <button type="button" class="btn btn-danger delete"> <i class="icon-trash"></i> <span>删除文件</span> </button> <input type="checkbox" class="toggle"/><span>选中所有文件</span>  <span class="fileupload-loading"></span> </div> </div>  <table role="presentation" class="table table-striped"> <tbody class="files"></tbody> </table> </fieldset> </form> </div> </div> </div> </div> </div> </div> <script type="text/javascript" src="/js/bootstrap.min.js"></script> <script type="text/javascript" src="/js/bootstrap-datetimepicker.js" charset="UTF-8"></script> <script type="text/javascript" src="/js/bootstrap-datetimepicker.zh-CN.js" charset="UTF-8"></script> <script id="template-upload" type="text/x-tmpl"> {% for (var i=0, file; file=o.files[i]; i++) { %} <tr class="template-upload fade"> <td> <span class="preview"></span> </td> <td> <p class="name">{%=file.name%}</p> {% if (file.error) { %} <div><span class="label label-danger">Error</span> {%=file.error%}</div> {% } %} </td> <td> <p class="size">{%=o.formatFileSize(file.size)%}</p> {% if (!o.files.error) { %} <div class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><div class="progress-bar progress-bar-success" ></div></div> {% } %} </td> <td> {% if (!o.files.error && !i && !o.options.autoUpload) { %} <button class="btn btn-primary start"> <i class="icon-upload"></i> <span>开始</span> </button> {% } %} {% if (!i) { %} <button class="btn btn-warning cancel"> <i class="icon-ban-circle"></i> <span>取消</span> </button> {% } %} </td> </tr> {% } %} </script>  <script id="template-download" type="text/x-tmpl"> {% for (var i=0, file; file=o.files[i]; i++) { %} <tr class="template-download fade"> <td> <span class="preview"> {% if (file.thumbnailUrl) { %} <a href="{%=file.url%}" title="{%=file.name%}" download="{%=file.name%}" data-gallery><img src="{%=file.thumbnailUrl%}"></a> {% } %} </span> </td> <td> <p class="name"> {% if (file.url) { %} <a name="upload_pic" href="{%=file.url%}" title="{%=file.name%}" download="{%=file.name%}" {%=file.thumbnailUrl?'data-gallery':''%}>{%=file.name%}</a> {% } else { %} <span>{%=file.name%}</span> {% } %} </p> {% if (file.error) { %} <div><span class="label label-danger">错误</span> {%=file.error%}</div> {% } %} </td> <td> <span class="size">{%=o.formatFileSize(file.size)%}</span> </td> <td> {% if (file.deleteUrl) { %} <button class="btn btn-danger delete" data-type="{%=file.deleteType%}" data-url="{%=file.deleteUrl%}"{% if (file.deleteWithCredentials) { %} data-xhr-fields='{"withCredentials":true}'{% } %}> <i class="icon-trash"></i> <span>删除</span> </button> <input type="checkbox" name="delete" value="1" class="toggle"> {% } else { %} <button class="btn btn-warning cancel"> <i class="icon-ban-circle"></i> <span>取消</span> </button> {% } %} </td> </tr> {% } %} </script>   <script src="/assets/js/vendor/jquery.ui.widget.js"></script>  <script src="/assets/js/tmpl.js"></script>  <script src="/assets/js/load-p_w_picpath.min.js"></script>  <script src="/assets/js/canvas-to-blob.js"></script>    <script src="/assets/js/jquery.blueimp-gallery.min.js"></script>  <script src="/assets/js/jquery.iframe-transport.js"></script>  <script src="/assets/js/jquery.fileupload.js"></script>  <script src="/assets/js/jquery.fileupload-process.js"></script>  <script src="/assets/js/jquery.fileupload-p_w_picpath.js"></script>      <script src="/assets/js/jquery.fileupload-validate.js"></script>  <script src="/assets/js/jquery.fileupload-ui.js"></script>  <script src="/assets/js/main.js"></script>    </body> </html>

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); class Uploads extends CI_Controller { public function __construct() { parent::__construct(); $this->load->helper('check'); $this->load->helper('url'); $this->load->library('session'); } public function index() { $this->load->view('uploads/index'); } function get_server_var($id) { return isset($_SERVER[$id]) ? $_SERVER[$id] : ''; } function get_full_url() { $https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0; return ($https ? 'https://' : 'http://'). (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : ''). (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME']. ($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))). substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/')); } public function do_upload() { //file_put_contents('uploads/test.txt', json_encode($_POST)); require_once './application/libraries/UploadHandler.php'; $dir_token = $this->input->get('dir_token'); $action = $this->input->get('action'); if($action == 'add') { $user_own_dir = date('Ymd') . '/' . $dir_token . '/'; } if($action == 'upd') { $user_own_dir = $dir_token ; } $options = array( 'script_url' => $this->get_full_url().'/uploads/do_upload?action='.$action.'&dir_token='.$dir_token, 'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')) . '/uploads/' . $user_own_dir, 'upload_url' => $this->get_full_url() . '/uploads/' . $user_own_dir, ); $uploadHandler = new UploadHandler($options); } } /* End of file upload.php */ /* Location: ./application/controllers/upload.php */

<?php /* * jQuery File Upload Plugin PHP Class 6.9.0 * https://github.com/blueimp/jQuery-File-Upload * * Copyright 2010, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * http://www.opensource.org/licenses/MIT */ class UploadHandler { protected $options; // PHP File Upload error message codes: // http://php.net/manual/en/features.file-upload.errors.php protected $error_messages = array( 1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini', 2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form', 3 => 'The uploaded file was only partially uploaded', 4 => 'No file was uploaded', 6 => 'Missing a temporary folder', 7 => 'Failed to write file to disk', 8 => 'A PHP extension stopped the file upload', 'post_max_size' => 'The uploaded file exceeds the post_max_size directive in php.ini', 'max_file_size' => 'File is too big', 'min_file_size' => 'File is too small', 'accept_file_types' => 'Filetype not allowed', 'max_number_of_files' => 'Maximum number of files exceeded', 'max_width' => 'Image exceeds maximum width', 'min_width' => 'Image requires a minimum width', 'max_height' => 'Image exceeds maximum height', 'min_height' => 'Image requires a minimum height' ); function __construct($options = null, $initialize = true, $error_messages = null) { $this->options = array( //'script_url' => $this->get_full_url().'/uploads/do_upload', //'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/uploads/', //'upload_url' => $this->get_full_url().'/uploads/', 'user_dirs' => false, 'mkdir_mode' => 0755, 'param_name' => 'files', // Set the following option to 'POST', if your server does not support // DELETE requests. This is a parameter sent to the client: 'delete_type' => 'DELETE', 'access_control_allow_origin' => '*', 'access_control_allow_credentials' => false, 'access_control_allow_methods' => array( 'OPTIONS', 'HEAD', 'GET', 'POST', 'PUT', 'PATCH', 'DELETE' ), 'access_control_allow_headers' => array( 'Content-Type', 'Content-Range', 'Content-Disposition' ), // Enable to provide file downloads via GET requests to the PHP script: // 1. Set to 1 to download files via readfile method through PHP // 2. Set to 2 to send a X-Sendfile header for lighttpd/Apache // 3. Set to 3 to send a X-Accel-Redirect header for nginx // If set to 2 or 3, adjust the upload_url option to the base path of // the redirect parameter, e.g. '/files/'. 'download_via_php' => false, // Read files in chunks to avoid memory limits when download_via_php // is enabled, set to 0 to disable chunked reading of files: 'readfile_chunk_size' => 10 * 1024 * 1024, // 10 MiB // Defines which files can be displayed inline when downloaded: 'inline_file_types' => '/\.(gif|jpe?g|png)$/i', // Defines which files (based on their names) are accepted for upload: 'accept_file_types' => '/.+$/i', // The php.ini settings upload_max_filesize and post_max_size // take precedence over the following max_file_size setting: 'max_file_size' => 2 * 1024 * 1024 , 'min_file_size' => 1, // The maximum number of files for the upload directory: 'max_number_of_files' => 6, // Image resolution restrictions: 'max_width' => null, 'max_height' => null, 'min_width' => 1, 'min_height' => 1, // Set the following option to false to enable resumable uploads: 'discard_aborted_uploads' => true, // Set to false to disable rotating p_w_picpaths based on EXIF meta data: 'orient_p_w_picpath' => true, 'p_w_picpath_versions' => array( // Uncomment the following version to restrict the size of // uploaded p_w_picpaths: /* '' => array( 'max_width' => 1920, 'max_height' => 1200, 'jpeg_quality' => 95 ), */ // Uncomment the following to create medium sized p_w_picpaths: /* 'medium' => array( 'max_width' => 800, 'max_height' => 600, 'jpeg_quality' => 80 ), */ 'thumbnail' => array( // Uncomment the following to use a defined directory for the thumbnails // instead of a subdirectory based on the version identifier. // Make sure that this directory doesn't allow execution of files if you // don't pose any restrictions on the type of uploaded files, e.g. by // copying the .htaccess file from the files directory for Apache: //'upload_dir' => dirname($this->get_server_var('SCRIPT_FILENAME')).'/thumb/', //'upload_url' => $this->get_full_url().'/thumb/', // Uncomment the following to force the max // dimensions and e.g. create square thumbnails: //'crop' => true, 'max_width' => 80, 'max_height' => 80 ) ) ); if ($options) { $this->options = array_merge($this->options, $options); } if ($error_messages) { $this->error_messages = array_merge($this->error_messages, $error_messages); } if ($initialize) { $this->initialize(); } } protected function initialize() { switch ($this->get_server_var('REQUEST_METHOD')) { case 'OPTIONS': case 'HEAD': $this->head(); break; case 'GET': $this->get(); break; case 'PATCH': case 'PUT': case 'POST': $this->post(); break; case 'DELETE': $this->delete(); break; default: $this->header('HTTP/1.1 405 Method Not Allowed'); } } protected function get_full_url() { $https = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'on') === 0; return ($https ? 'https://' : 'http://'). (!empty($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'].'@' : ''). (isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ($_SERVER['SERVER_NAME']. ($https && $_SERVER['SERVER_PORT'] === 443 || $_SERVER['SERVER_PORT'] === 80 ? '' : ':'.$_SERVER['SERVER_PORT']))). substr($_SERVER['SCRIPT_NAME'],0, strrpos($_SERVER['SCRIPT_NAME'], '/')); } protected function get_user_id() { @session_start(); return session_id(); } protected function get_user_path() { if ($this->options['user_dirs']) { return $this->get_user_id().'/'; } return ''; } protected function get_upload_path($file_name = null, $version = null) { $file_name = $file_name ? $file_name : ''; if (empty($version)) { $version_path = ''; } else { $version_dir = @$this->options['p_w_picpath_versions'][$version]['upload_dir']; if ($version_dir) { return $version_dir.$this->get_user_path().$file_name; } $version_path = $version.'/'; } return $this->options['upload_dir'].$this->get_user_path() .$version_path.$file_name; } protected function get_query_separator($url) { return strpos($url, '?') === false ? '?' : '&'; } protected function get_download_url($file_name, $version = null, $direct = false) { if (!$direct && $this->options['download_via_php']) { $url = $this->options['script_url'] .$this->get_query_separator($this->options['script_url']) .'file='.rawurlencode($file_name); if ($version) { $url .= '&version='.rawurlencode($version); } return $url.'&download=1'; } if (empty($version)) { $version_path = ''; } else { $version_url = @$this->options['p_w_picpath_versions'][$version]['upload_url']; if ($version_url) { return $version_url.$this->get_user_path().rawurlencode($file_name); } $version_path = rawurlencode($version).'/'; } return $this->options['upload_url'].$this->get_user_path() .$version_path.rawurlencode($file_name); } protected function set_additional_file_properties($file) { $file->deleteUrl = $this->options['script_url'] .$this->get_query_separator($this->options['script_url']) .$this->get_singular_param_name() .'='.rawurlencode($file->name); $file->deleteType = $this->options['delete_type']; if ($file->deleteType !== 'DELETE') { $file->deleteUrl .= '&_method=DELETE'; } if ($this->options['access_control_allow_credentials']) { $file->deleteWithCredentials = true; } } // Fix for overflowing signed 32 bit integers, // works for sizes up to 2^32-1 bytes (4 GiB - 1): protected function fix_integer_overflow($size) { if ($size < 0) { $size += 2.0 * (PHP_INT_MAX + 1); } return $size; } protected function get_file_size($file_path, $clear_stat_cache = false) { if ($clear_stat_cache) { clearstatcache(true, $file_path); } return $this->fix_integer_overflow(filesize($file_path)); } protected function is_valid_file_object($file_name) { $file_path = $this->get_upload_path($file_name); if (is_file($file_path) && $file_name[0] !== '.') { return true; } return false; } protected function get_file_object($file_name) { if ($this->is_valid_file_object($file_name)) { $file = new stdClass(); $file->name = $file_name; $file->size = $this->get_file_size( $this->get_upload_path($file_name) ); $file->url = $this->get_download_url($file->name); foreach($this->options['p_w_picpath_versions'] as $version => $options) { if (!empty($version)) { if (is_file($this->get_upload_path($file_name, $version))) { $file->{$version.'Url'} = $this->get_download_url( $file->name, $version ); } } } $this->set_additional_file_properties($file); return $file; } return null; } protected function get_file_objects($iteration_method = 'get_file_object') { $upload_dir = $this->get_upload_path(); if (!is_dir($upload_dir)) { return array(); } return array_values(array_filter(array_map( array($this, $iteration_method), scandir($upload_dir) ))); } protected function count_file_objects() { return count($this->get_file_objects('is_valid_file_object')); } protected function create_scaled_p_w_picpath($file_name, $version, $options) { $file_path = $this->get_upload_path($file_name); if (!empty($version)) { $version_dir = $this->get_upload_path(null, $version); if (!is_dir($version_dir)) { mkdir($version_dir, $this->options['mkdir_mode'], true); } $new_file_path = $version_dir.'/'.$file_name; } else { $new_file_path = $file_path; } if (!function_exists('getp_w_picpathsize')) { error_log('Function not found: getp_w_picpathsize'); return false; } list($img_width, $img_height) = @getp_w_picpathsize($file_path); if (!$img_width || !$img_height) { return false; } $max_width = $options['max_width']; $max_height = $options['max_height']; $scale = min( $max_width / $img_width, $max_height / $img_height ); if ($scale >= 1) { if ($file_path !== $new_file_path) { return copy($file_path, $new_file_path); } return true; } if (!function_exists('p_w_picpathcreatetruecolor')) { error_log('Function not found: p_w_picpathcreatetruecolor'); return false; } if (empty($options['crop'])) { $new_width = $img_width * $scale; $new_height = $img_height * $scale; $dst_x = 0; $dst_y = 0; $new_img = p_w_picpathcreatetruecolor($new_width, $new_height); } else { if (($img_width / $img_height) >= ($max_width / $max_height)) { $new_width = $img_width / ($img_height / $max_height); $new_height = $max_height; } else { $new_width = $max_width; $new_height = $img_height / ($img_width / $max_width); } $dst_x = 0 - ($new_width - $max_width) / 2; $dst_y = 0 - ($new_height - $max_height) / 2; $new_img = p_w_picpathcreatetruecolor($max_width, $max_height); } switch (strtolower(substr(strrchr($file_name, '.'), 1))) { case 'jpg': case 'jpeg': $src_img = p_w_picpathcreatefromjpeg($file_path); $write_p_w_picpath = 'p_w_picpathjpeg'; $p_w_picpath_quality = isset($options['jpeg_quality']) ? $options['jpeg_quality'] : 75; break; case 'gif': p_w_picpathcolortransparent($new_img, p_w_picpathcolorallocate($new_img, 0, 0, 0)); $src_img = p_w_picpathcreatefromgif($file_path); $write_p_w_picpath = 'p_w_picpathgif'; $p_w_picpath_quality = null; break; case 'png': p_w_picpathcolortransparent($new_img, p_w_picpathcolorallocate($new_img, 0, 0, 0)); p_w_picpathalphablending($new_img, false); p_w_picpathsavealpha($new_img, true); $src_img = p_w_picpathcreatefrompng($file_path); $write_p_w_picpath = 'p_w_picpathpng'; $p_w_picpath_quality = isset($options['png_quality']) ? $options['png_quality'] : 9; break; default: p_w_picpathdestroy($new_img); return false; } $success = p_w_picpathcopyresampled( $new_img, $src_img, $dst_x, $dst_y, 0, 0, $new_width, $new_height, $img_width, $img_height ) && $write_p_w_picpath($new_img, $new_file_path, $p_w_picpath_quality); // Free up memory (p_w_picpathdestroy does not delete files): p_w_picpathdestroy($src_img); p_w_picpathdestroy($new_img); return $success; } protected function get_error_message($error) { return array_key_exists($error, $this->error_messages) ? $this->error_messages[$error] : $error; } function get_config_bytes($val) { $val = trim($val); $last = strtolower($val[strlen($val)-1]); switch($last) { case 'g': $val *= 1024; case 'm': $val *= 1024; case 'k': $val *= 1024; } return $this->fix_integer_overflow($val); } protected function validate($uploaded_file, $file, $error, $index) { if ($error) { $file->error = $this->get_error_message($error); return false; } $content_length = $this->fix_integer_overflow(intval( $this->get_server_var('CONTENT_LENGTH') )); $post_max_size = $this->get_config_bytes(ini_get('post_max_size')); if ($post_max_size && ($content_length > $post_max_size)) { $file->error = $this->get_error_message('post_max_size'); return false; } if (!preg_match($this->options['accept_file_types'], $file->name)) { $file->error = $this->get_error_message('accept_file_types'); return false; } if ($uploaded_file && is_uploaded_file($uploaded_file)) { $file_size = $this->get_file_size($uploaded_file); } else { $file_size = $content_length; } if ($this->options['max_file_size'] && ( $file_size > $this->options['max_file_size'] || $file->size > $this->options['max_file_size']) ) { $file->error = $this->get_error_message('max_file_size'); return false; } if ($this->options['min_file_size'] && $file_size < $this->options['min_file_size']) { $file->error = $this->get_error_message('min_file_size'); return false; } if (is_int($this->options['max_number_of_files']) && ( $this->count_file_objects() >= $this->options['max_number_of_files']) ) { $file->error = $this->get_error_message('max_number_of_files'); return false; } list($img_width, $img_height) = @getp_w_picpathsize($uploaded_file); if (is_int($img_width)) { if ($this->options['max_width'] && $img_width > $this->options['max_width']) { $file->error = $this->get_error_message('max_width'); return false; } if ($this->options['max_height'] && $img_height > $this->options['max_height']) { $file->error = $this->get_error_message('max_height'); return false; } if ($this->options['min_width'] && $img_width < $this->options['min_width']) { $file->error = $this->get_error_message('min_width'); return false; } if ($this->options['min_height'] && $img_height < $this->options['min_height']) { $file->error = $this->get_error_message('min_height'); return false; } } return true; } protected function upcount_name_callback($matches) { $index = isset($matches[1]) ? intval($matches[1]) + 1 : 1; $ext = isset($matches[2]) ? $matches[2] : ''; return ' ('.$index.')'.$ext; } protected function upcount_name($name) { return preg_replace_callback( '/(?:(?: $([\d]+)$)?(\.[^.]+))?$/', array($this, 'upcount_name_callback'), $name, 1 ); } protected function get_unique_filename($name, $type = null, $index = null, $content_range = null) { while(is_dir($this->get_upload_path($name))) { $name = $this->upcount_name($name); } // Keep an existing filename if this is part of a chunked upload: $uploaded_bytes = $this->fix_integer_overflow(intval($content_range[1])); while(is_file($this->get_upload_path($name))) { if ($uploaded_bytes === $this->get_file_size( $this->get_upload_path($name))) { break; } $name = $this->upcount_name($name); } return $name; } protected function trim_file_name($name, $type = null, $index = null, $content_range = null) { // Remove path information and dots around the filename, to prevent uploading // into different directories or replacing hidden system files. // Also remove control characters and spaces (\x00..\x20) around the filename: $name = trim(basename(stripslashes($name)), ".\x00..\x20"); // Use a timestamp for empty filenames: if (!$name) { $name = str_replace('.', '-', microtime(true)); } // Add missing file extension for known p_w_picpath types: if (strpos($name, '.') === false && preg_match('/^p_w_picpath\/(gif|jpe?g|png)/', $type, $matches)) { $name .= '.'.$matches[1]; } return $name; } protected function get_file_name($name, $type = null, $index = null, $content_range = null) { return $this->get_unique_filename( $this->trim_file_name($name, $type, $index, $content_range), $type, $index, $content_range ); } protected function handle_form_data($file, $index) { // Handle form data, e.g. $_REQUEST['description'][$index] } protected function p_w_picpathflip($p_w_picpath, $mode) { if (function_exists('p_w_picpathflip')) { return p_w_picpathflip($p_w_picpath, $mode); } $new_width = $src_width = p_w_picpathsx($p_w_picpath); $new_height = $src_height = p_w_picpathsy($p_w_picpath); $new_img = p_w_picpathcreatetruecolor($new_width, $new_height); $src_x = 0; $src_y = 0; switch ($mode) { case '1': // flip on the horizontal axis $src_y = $new_height - 1; $src_height = -$new_height; break; case '2': // flip on the vertical axis $src_x = $new_width - 1; $src_width = -$new_width; break; case '3': // flip on both axes $src_y = $new_height - 1; $src_height = -$new_height; $src_x = $new_width - 1; $src_width = -$new_width; break; default: return $p_w_picpath; } p_w_picpathcopyresampled( $new_img, $p_w_picpath, 0, 0, $src_x, $src_y, $new_width, $new_height, $src_width, $src_height ); // Free up memory (p_w_picpathdestroy does not delete files): p_w_picpathdestroy($p_w_picpath); return $new_img; } protected function orient_p_w_picpath($file_path) { if (!function_exists('exif_read_data')) { return false; } $exif = @exif_read_data($file_path); if ($exif === false) { return false; } $orientation = intval(@$exif['Orientation']); if ($orientation < 2 || $orientation > 8) { return false; } $p_w_picpath = p_w_picpathcreatefromjpeg($file_path); switch ($orientation) { case 2: $p_w_picpath = $this->p_w_picpathflip( $p_w_picpath, defined('IMG_FLIP_VERTICAL') ? IMG_FLIP_VERTICAL : 2 ); break; case 3: $p_w_picpath = p_w_picpathrotate($p_w_picpath, 180, 0); break; case 4: $p_w_picpath = $this->p_w_picpathflip( $p_w_picpath, defined('IMG_FLIP_HORIZONTAL') ? IMG_FLIP_HORIZONTAL : 1 ); break; case 5: $p_w_picpath = $this->p_w_picpathflip( $p_w_picpath, defined('IMG_FLIP_HORIZONTAL') ? IMG_FLIP_HORIZONTAL : 1 ); $p_w_picpath = p_w_picpathrotate($p_w_picpath, 270, 0); break; case 6: $p_w_picpath = p_w_picpathrotate($p_w_picpath, 270, 0); break; case 7: $p_w_picpath = $this->p_w_picpathflip( $p_w_picpath, defined('IMG_FLIP_VERTICAL') ? IMG_FLIP_VERTICAL : 2 ); $p_w_picpath = p_w_picpathrotate($p_w_picpath, 270, 0); break; case 8: $p_w_picpath = p_w_picpathrotate($p_w_picpath, 90, 0); break; default: return false; } $success = p_w_picpathjpeg($p_w_picpath, $file_path); // Free up memory (p_w_picpathdestroy does not delete files): p_w_picpathdestroy($p_w_picpath); return $success; } protected function handle_p_w_picpath_file($file_path, $file) { if ($this->options['orient_p_w_picpath']) { $this->orient_p_w_picpath($file_path); } $failed_versions = array(); foreach($this->options['p_w_picpath_versions'] as $version => $options) { if ($this->create_scaled_p_w_picpath($file->name, $version, $options)) { if (!empty($version)) { $file->{$version.'Url'} = $this->get_download_url( $file->name, $version ); } else { $file->size = $this->get_file_size($file_path, true); } } else { $failed_versions[] = $version; } } switch (count($failed_versions)) { case 0: break; case 1: $file->error = 'Failed to create scaled version: ' .$failed_versions[0]; break; default: $file->error = 'Failed to create scaled versions: ' .implode($failed_versions,', '); } } protected function handle_file_upload($uploaded_file, $name, $size, $type, $error, $index = null, $content_range = null) { $file = new stdClass(); $file->name = $this->get_file_name($name, $type, $index, $content_range); $file->size = $this->fix_integer_overflow(intval($size)); $file->type = $type; if ($this->validate($uploaded_file, $file, $error, $index)) { $this->handle_form_data($file, $index); $upload_dir = $this->get_upload_path(); if (!is_dir($upload_dir)) { mkdir($upload_dir, $this->options['mkdir_mode'], true); } $file_path = $this->get_upload_path($file->name); $append_file = $content_range && is_file($file_path) && $file->size > $this->get_file_size($file_path); if ($uploaded_file && is_uploaded_file($uploaded_file)) { // multipart/formdata uploads (POST method uploads) if ($append_file) { file_put_contents( $file_path, fopen($uploaded_file, 'r'), FILE_APPEND ); } else { move_uploaded_file($uploaded_file, $file_path); } } else { // Non-multipart uploads (PUT method support) file_put_contents( $file_path, fopen('php://input', 'r'), $append_file ? FILE_APPEND : 0 ); } $file_size = $this->get_file_size($file_path, $append_file); if ($file_size === $file->size) { $file->url = $this->get_download_url($file->name); list($img_width, $img_height) = @getp_w_picpathsize($file_path); if (is_int($img_width) && preg_match($this->options['inline_file_types'], $file->name)) { $this->handle_p_w_picpath_file($file_path, $file); } } else { $file->size = $file_size; if (!$content_range && $this->options['discard_aborted_uploads']) { unlink($file_path); $file->error = 'abort'; } } $this->set_additional_file_properties($file); } return $file; } protected function readfile($file_path) { $file_size = $this->get_file_size($file_path); $chunk_size = $this->options['readfile_chunk_size']; if ($chunk_size && $file_size > $chunk_size) { $handle = fopen($file_path, 'rb'); while (!feof($handle)) { echo fread($handle, $chunk_size); ob_flush(); flush(); } fclose($handle); return $file_size; } return readfile($file_path); } protected function body($str) { echo $str; } protected function header($str) { header($str); } protected function get_server_var($id) { return isset($_SERVER[$id]) ? $_SERVER[$id] : ''; } protected function generate_response($content, $print_response = true) { if ($print_response) { $json = json_encode($content); $redirect = isset($_REQUEST['redirect']) ? stripslashes($_REQUEST['redirect']) : null; if ($redirect) { $this->header('Location: '.sprintf($redirect, rawurlencode($json))); return; } $this->head(); if ($this->get_server_var('HTTP_CONTENT_RANGE')) { $files = isset($content[$this->options['param_name']]) ? $content[$this->options['param_name']] : null; if ($files && is_array($files) && is_object($files[0]) && $files[0]->size) { $this->header('Range: 0-'.( $this->fix_integer_overflow(intval($files[0]->size)) - 1 )); } } $this->body($json); } return $content; } protected function get_version_param() { return isset($_GET['version']) ? basename(stripslashes($_GET['version'])) : null; } protected function get_singular_param_name() { return substr($this->options['param_name'], 0, -1); } protected function get_file_name_param() { $name = $this->get_singular_param_name(); return isset($_GET[$name]) ? basename(stripslashes($_GET[$name])) : null; } protected function get_file_names_params() { $params = isset($_GET[$this->options['param_name']]) ? $_GET[$this->options['param_name']] : array(); foreach ($params as $key => $value) { $params[$key] = basename(stripslashes($value)); } return $params; } protected function get_file_type($file_path) { switch (strtolower(pathinfo($file_path, PATHINFO_EXTENSION))) { case 'jpeg': case 'jpg': return 'p_w_picpath/jpeg'; case 'png': return 'p_w_picpath/png'; case 'gif': return 'p_w_picpath/gif'; default: return ''; } } protected function download() { switch ($this->options['download_via_php']) { case 1: $redirect_header = null; break; case 2: $redirect_header = 'X-Sendfile'; break; case 3: $redirect_header = 'X-Accel-Redirect'; break; default: return $this->header('HTTP/1.1 403 Forbidden'); } $file_name = $this->get_file_name_param(); if (!$this->is_valid_file_object($file_name)) { return $this->header('HTTP/1.1 404 Not Found'); } if ($redirect_header) { return $this->header( $redirect_header.': '.$this->get_download_url( $file_name, $this->get_version_param(), true ) ); } $file_path = $this->get_upload_path($file_name, $this->get_version_param()); // Prevent browsers from MIME-sniffing the content-type: $this->header('X-Content-Type-Options: nosniff'); if (!preg_match($this->options['inline_file_types'], $file_name)) { $this->header('Content-Type: application/octet-stream'); $this->header('Content-Disposition: p_w_upload; filename="'.$file_name.'"'); } else { $this->header('Content-Type: '.$this->get_file_type($file_path)); $this->header('Content-Disposition: inline; filename="'.$file_name.'"'); } $this->header('Content-Length: '.$this->get_file_size($file_path)); $this->header('Last-Modified: '.gmdate('D, d M Y H:i:s T', filemtime($file_path))); $this->readfile($file_path); } protected function send_content_type_header() { $this->header('Vary: Accept'); if (strpos($this->get_server_var('HTTP_ACCEPT'), 'application/json') !== false) { $this->header('Content-type: application/json'); } else { $this->header('Content-type: text/plain'); } } protected function send_access_control_headers() { $this->header('Access-Control-Allow-Origin: '.$this->options['access_control_allow_origin']); $this->header('Access-Control-Allow-Credentials: ' .($this->options['access_control_allow_credentials'] ? 'true' : 'false')); $this->header('Access-Control-Allow-Methods: ' .implode(', ', $this->options['access_control_allow_methods'])); $this->header('Access-Control-Allow-Headers: ' .implode(', ', $this->options['access_control_allow_headers'])); } public function head() { $this->header('Pragma: no-cache'); $this->header('Cache-Control: no-store, no-cache, must-revalidate'); $this->header('Content-Disposition: inline; filename="files.json"'); // Prevent Internet Explorer from MIME-sniffing the content-type: $this->header('X-Content-Type-Options: nosniff'); if ($this->options['access_control_allow_origin']) { $this->send_access_control_headers(); } $this->send_content_type_header(); } public function get($print_response = true) { if ($print_response && isset($_GET['download'])) { return $this->download(); } $file_name = $this->get_file_name_param(); if ($file_name) { $response = array( $this->get_singular_param_name() => $this->get_file_object($file_name) ); } else { $response = array( $this->options['param_name'] => $this->get_file_objects() ); } return $this->generate_response($response, $print_response); } public function post($print_response = true) { if (isset($_REQUEST['_method']) && $_REQUEST['_method'] === 'DELETE') { return $this->delete($print_response); } $upload = isset($_FILES[$this->options['param_name']]) ? $_FILES[$this->options['param_name']] : null; // Parse the Content-Disposition header, if available: $file_name = $this->get_server_var('HTTP_CONTENT_DISPOSITION') ? rawurldecode(preg_replace( '/(^[^"]+")|("$)/', '', $this->get_server_var('HTTP_CONTENT_DISPOSITION') )) : null; // Parse the Content-Range header, which has the following form: // Content-Range: bytes 0-524287/2000000 $content_range = $this->get_server_var('HTTP_CONTENT_RANGE') ? preg_split('/[^0-9]+/', $this->get_server_var('HTTP_CONTENT_RANGE')) : null; $size = $content_range ? $content_range[3] : null; $files = array(); if ($upload && is_array($upload['tmp_name'])) { // param_name is an array identifier like "files[]", // $_FILES is a multi-dimensional array: foreach ($upload['tmp_name'] as $index => $value) { $files[] = $this->handle_file_upload( $upload['tmp_name'][$index], $file_name ? $file_name : $upload['name'][$index], $size ? $size : $upload['size'][$index], $upload['type'][$index], $upload['error'][$index], $index, $content_range ); } } else { // param_name is a single object identifier like "file", // $_FILES is a one-dimensional array: $files[] = $this->handle_file_upload( isset($upload['tmp_name']) ? $upload['tmp_name'] : null, $file_name ? $file_name : (isset($upload['name']) ? $upload['name'] : null), $size ? $size : (isset($upload['size']) ? $upload['size'] : $this->get_server_var('CONTENT_LENGTH')), isset($upload['type']) ? $upload['type'] : $this->get_server_var('CONTENT_TYPE'), isset($upload['error']) ? $upload['error'] : null, null, $content_range ); } return $this->generate_response( array($this->options['param_name'] => $files), $print_response ); } public function delete($print_response = true) { $file_names = $this->get_file_names_params(); if (empty($file_names)) { $file_names = array($this->get_file_name_param()); } $response = array(); foreach($file_names as $file_name) { $file_path = $this->get_upload_path($file_name); $success = is_file($file_path) && $file_name[0] !== '.' && unlink($file_path); if ($success) { foreach($this->options['p_w_picpath_versions'] as $version => $options) { if (!empty($version)) { $file = $this->get_upload_path($file_name, $version); if (is_file($file)) { unlink($file); } } } } $response[$file_name] = $success; } return $this->generate_response($response, $print_response); } }

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