js_upload/js_upload.php

   1 <?php
   2
   3 /**
   4  * Name: JS Uploader
   5  * Description: JavaScript photo/image uploader. Uses Valum 'qq' Uploader.
   6  * Version: 1.0
   7  * Author: Chris Case <http://friendika.openmindspace.org/profile/chris_case>
   8  */
   9
  10 /**
  11  *
  12  * JavaScript Photo/Image Uploader
  13  *
  14  * Uses Valum 'qq' Uploader.
  15  * Module Author: Chris Case
  16  *
  17  */
  18
  19
  20 function js_upload_install() {
  21         register_hook('photo_upload_form', 'addon/js_upload/js_upload.php', 'js_upload_form');
  22         register_hook('photo_post_init',   'addon/js_upload/js_upload.php', 'js_upload_post_init');
  23         register_hook('photo_post_file',   'addon/js_upload/js_upload.php', 'js_upload_post_file');
  24         register_hook('photo_post_end',    'addon/js_upload/js_upload.php', 'js_upload_post_end');
  25 }
  26
  27
  28 function js_upload_uninstall() {
  29         unregister_hook('photo_upload_form', 'addon/js_upload/js_upload.php', 'js_upload_form');
  30         unregister_hook('photo_post_init',   'addon/js_upload/js_upload.php', 'js_upload_post_init');
  31         unregister_hook('photo_post_file',   'addon/js_upload/js_upload.php', 'js_upload_post_file');
  32         unregister_hook('photo_post_end',    'addon/js_upload/js_upload.php', 'js_upload_post_end');
  33 }
  34
  35
  36 function js_upload_form(&$a,&$b) {
  37
  38         $b['default_upload'] = false;
  39
  40         $b['addon_text'] .= '<link href="' . $a->get_baseurl() . '/addon/js_upload/file-uploader/client/fileuploader.css" rel="stylesheet" type="text/css">';
  41         $b['addon_text'] .= '<script src="' . $a->get_baseurl() . '/addon/js_upload/file-uploader/client/fileuploader.js" type="text/javascript"></script>';
  42
  43         $upload_msg = t('Upload a file');
  44         $drop_msg = t('Drop files here to upload');
  45         $cancel = t('Cancel');
  46         $failed = t('Failed');
  47
  48         $b['addon_text'] .= <<< EOT
  49
  50  <div id="file-uploader-demo1">
  51   <noscript>
  52    <p>Please enable JavaScript to use file uploader.</p>
  53    <!-- or put a simple form for upload here -->
  54   </noscript>
  55  </div>
  56
  57 <script type="text/javascript">
  58 var uploader = null;
  59 function getSelected(opt) {
  60             var selected = new Array();
  61             var index = 0;
  62             for (var intLoop = 0; intLoop < opt.length; intLoop++) {
  63                if ((opt[intLoop].selected) ||
  64                    (opt[intLoop].checked)) {
  65                   index = selected.length;
  66                   //selected[index] = new Object;
  67                   selected[index] = opt[intLoop].value;
  68                   //selected[index] = intLoop;
  69                }
  70             }
  71             return selected;
  72          }
  73 function createUploader() {
  74         uploader = new qq.FileUploader({
  75                 element: document.getElementById('file-uploader-demo1'),
  76                 action: '{$b['post_url']}',
  77
  78         template: '<div class="qq-uploader">' +
  79                 '<div class="qq-upload-drop-area"><span>$drop_msg</span></div>' +
  80                 '<div class="qq-upload-button">$upload_msg</div>' +
  81                 '<ul class="qq-upload-list"></ul>' +
  82              '</div>',
  83
  84         // template for one item in file list
  85         fileTemplate: '<li>' +
  86                 '<span class="qq-upload-file"></span>' +
  87                 '<span class="qq-upload-spinner"></span>' +
  88                 '<span class="qq-upload-size"></span>' +
  89                 '<a class="qq-upload-cancel" href="#">$cancel</a>' +
  90                 '<span class="qq-upload-failed-text">$failed</span>' +
  91             '</li>',
  92
  93                 debug: true,
  94                 onSubmit: function(id,filename) {
  95                         if (typeof acl!="undefined"){
  96                                 uploader.setParams( {
  97                                         newalbum                :       document.getElementById('photos-upload-newalbum').value,
  98                                         album                   :       document.getElementById('photos-upload-album-select').value,
  99                                         group_allow             :       acl.allow_gid.join(','),
 100                                         contact_allow   :       acl.allow_cid.join(','),
 101                                         group_deny              :       acl.deny_gid.join(','),
 102                                         contact_deny    :       acl.deny_cid.join(',')
 103                                 });
 104                         } else {
 105                                 uploader.setParams( {
 106                                         newalbum                :       document.getElementById('photos-upload-newalbum').value,
 107                                         album                   :       document.getElementById('photos-upload-album-select').value,
 108                                         group_allow             :       getSelected(document.getElementById('group_allow')).join(','),
 109                                         contact_allow   :       getSelected(document.getElementById('contact_allow')).join(','),
 110                                         group_deny              :       getSelected(document.getElementById('group_deny')).join(','),
 111                                         contact_deny    :       getSelected(document.getElementById('contact_deny')).join(',')
 112                                 });
 113                         }
 114                 }
 115         });
 116 }
 117
 118
 119 // in your app create uploader as soon as the DOM is ready
 120 // don't wait for the window to load
 121 window.onload = createUploader;
 122
 123
 124 </script>
 125
 126 EOT;
 127
 128
 129 }
 130
 131 function js_upload_post_init(&$a,&$b) {
 132
 133         // list of valid extensions, ex. array("jpeg", "xml", "bmp")
 134
 135         $allowedExtensions = array("jpeg","gif","png","jpg");
 136
 137         // max file size in bytes
 138
 139         $sizeLimit = get_config('system','maximagesize'); //6 * 1024 * 1024;
 140
 141         $uploader = new qqFileUploader($allowedExtensions, $sizeLimit);
 142
 143         $result = $uploader->handleUpload();
 144
 145
 146         // to pass data through iframe you will need to encode all html tags
 147         $a->data['upload_jsonresponse'] =  htmlspecialchars(json_encode($result), ENT_NOQUOTES);
 148
 149         if(isset($result['error'])) {
 150                 logger('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'] , 'LOGGER_DEBUG');
 151                 echo json_encode($result);
 152                 killme();
 153         }
 154
 155         $a->data['upload_result'] = $result;
 156
 157 }
 158
 159 function js_upload_post_file(&$a,&$b) {
 160
 161         $result = $a->data['upload_result'];
 162
 163         $b['src']               = $result['path'];
 164         $b['filename']  = $result['filename'];
 165         $b['filesize']  = filesize($b['src']);
 166
 167 }
 168
 169
 170 function js_upload_post_end(&$a,&$b) {
 171
 172 logger('upload_post_end');
 173         if(x($a->data,'upload_jsonresponse')) {
 174                 echo $a->data['upload_jsonresponse'];
 175                 killme();
 176         }
 177
 178 }
 179
 180
 181 /**
 182  * Handle file uploads via XMLHttpRequest
 183  */
 184 class qqUploadedFileXhr {
 185
 186         private $pathnm = '';
 187
 188     /**
 189      * Save the file in the temp dir.
 190      * @return boolean TRUE on success
 191      */
 192     function save() {
 193         $input = fopen("php://input", "r");
 194         $this->pathnm = tempnam(sys_get_temp_dir(),'frn');
 195                 $temp = fopen($this->pathnm,"w");
 196         $realSize = stream_copy_to_stream($input, $temp);
 197
 198         fclose($input);
 199                 fclose($temp);
 200
 201         if ($realSize != $this->getSize()){
 202             return false;
 203         }
 204         return true;
 205     }
 206
 207         function getPath() {
 208                 return $this->pathnm;
 209         }
 210
 211     function getName() {
 212         return $_GET['qqfile'];
 213     }
 214
 215     function getSize() {
 216         if (isset($_SERVER["CONTENT_LENGTH"])){
 217             return (int)$_SERVER["CONTENT_LENGTH"];
 218         } else {
 219             throw new Exception('Getting content length is not supported.');
 220         }
 221     }
 222 }
 223
 224 /**
 225  * Handle file uploads via regular form post (uses the $_FILES array)
 226  */
 227
 228 class qqUploadedFileForm {
 229
 230
 231     /**
 232      * Save the file to the specified path
 233      * @return boolean TRUE on success
 234      */
 235
 236
 237     function save() {
 238         return true;
 239     }
 240
 241         function getPath() {
 242                 return $_FILES['qqfile']['tmp_name'];
 243         }
 244
 245     function getName() {
 246         return $_FILES['qqfile']['name'];
 247     }
 248     function getSize() {
 249         return $_FILES['qqfile']['size'];
 250     }
 251 }
 252
 253 class qqFileUploader {
 254     private $allowedExtensions = array();
 255     private $sizeLimit = 10485760;
 256     private $file;
 257
 258     function __construct(array $allowedExtensions = array(), $sizeLimit = 10485760){
 259         $allowedExtensions = array_map("strtolower", $allowedExtensions);
 260
 261         $this->allowedExtensions = $allowedExtensions;
 262         $this->sizeLimit = $sizeLimit;
 263
 264         if (isset($_GET['qqfile'])) {
 265             $this->file = new qqUploadedFileXhr();
 266         } elseif (isset($_FILES['qqfile'])) {
 267             $this->file = new qqUploadedFileForm();
 268         } else {
 269             $this->file = false;
 270         }
 271
 272     }
 273
 274
 275     private function toBytes($str){
 276         $val = trim($str);
 277         $last = strtolower($str[strlen($str)-1]);
 278         switch($last) {
 279             case 'g': $val *= 1024;
 280             case 'm': $val *= 1024;
 281             case 'k': $val *= 1024;
 282         }
 283         return $val;
 284     }
 285
 286     /**
 287      * Returns array('success'=>true) or array('error'=>'error message')
 288      */
 289     function handleUpload(){
 290
 291         if (!$this->file){
 292             return array('error' => t('No files were uploaded.'));
 293         }
 294
 295         $size = $this->file->getSize();
 296
 297         if ($size == 0) {
 298             return array('error' => t('Uploaded file is empty'));
 299         }
 300
 301 //        if ($size > $this->sizeLimit) {
 302
 303 //            return array('error' => t('Uploaded file is too large'));
 304 //        }
 305
 306
 307                 $maximagesize = get_config('system','maximagesize');
 308
 309                 if(($maximagesize) && ($size > $maximagesize)) {
 310                         return array('error' => t('Image exceeds size limit of ') . $maximagesize );
 311
 312                 }
 313
 314         $pathinfo = pathinfo($this->file->getName());
 315         $filename = $pathinfo['filename'];
 316
 317         $ext = $pathinfo['extension'];
 318
 319         if($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)){
 320             $these = implode(', ', $this->allowedExtensions);
 321             return array('error' => t('File has an invalid extension, it should be one of ') . $these . '.');
 322         }
 323
 324         if ($this->file->save()){
 325             return array(
 326                                 'success'=>true,
 327                                 'path' => $this->file->getPath(),
 328                                 'filename' => $filename . '.' . $ext
 329                         );
 330         } else {
 331             return array(
 332                                 'error'=> t('Upload was cancelled, or server error encountered'),
 333                                 'path' => $this->file->getPath(),
 334                                 'filename' => $filename . '.' . $ext
 335                         );
 336         }
 337
 338     }
 339 }