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         $maximagesize = intval(get_config('system','maximagesize'));
  49
  50         $b['addon_text'] .= <<< EOT
  51
  52  <div id="file-uploader-demo1">
  53   <noscript>
  54    <p>Please enable JavaScript to use file uploader.</p>
  55    <!-- or put a simple form for upload here -->
  56   </noscript>
  57  </div>
  58
  59 <script type="text/javascript">
  60 var uploader = null;
  61 function getSelected(opt) {
  62             var selected = new Array();
  63             var index = 0;
  64             for (var intLoop = 0; intLoop < opt.length; intLoop++) {
  65                if ((opt[intLoop].selected) ||
  66                    (opt[intLoop].checked)) {
  67                   index = selected.length;
  68                   //selected[index] = new Object;
  69                   selected[index] = opt[intLoop].value;
  70                   //selected[index] = intLoop;
  71                }
  72             }
  73             return selected;
  74          }
  75 function createUploader() {
  76         uploader = new qq.FileUploader({
  77                 element: document.getElementById('file-uploader-demo1'),
  78                 action: '{$b['post_url']}',
  79
  80         template: '<div class="qq-uploader">' +
  81                 '<div class="qq-upload-drop-area"><span>$drop_msg</span></div>' +
  82                 '<div class="qq-upload-button">$upload_msg</div>' +
  83                 '<ul class="qq-upload-list"></ul>' +
  84              '</div>',
  85
  86         // template for one item in file list
  87         fileTemplate: '<li>' +
  88                 '<span class="qq-upload-file"></span>' +
  89                 '<span class="qq-upload-spinner"></span>' +
  90                 '<span class="qq-upload-size"></span>' +
  91                 '<a class="qq-upload-cancel" href="#">$cancel</a>' +
  92                 '<span class="qq-upload-failed-text">$failed</span>' +
  93             '</li>',
  94
  95                 debug: true,
  96                 sizeLimit: $maximagesize,
  97                 onSubmit: function(id,filename) {
  98                         if (typeof acl!="undefined"){
  99                                 uploader.setParams( {
 100                                         newalbum                :       document.getElementById('photos-upload-newalbum').value,
 101                                         album                   :       document.getElementById('photos-upload-album-select').value,
 102                                         not_visible     :   document.getElementById('photos-upload-noshare').checked,
 103                                         group_allow             :       acl.allow_gid.join(','),
 104                                         contact_allow   :       acl.allow_cid.join(','),
 105                                         group_deny              :       acl.deny_gid.join(','),
 106                                         contact_deny    :       acl.deny_cid.join(',')
 107                                 });
 108                         } else {
 109                                 uploader.setParams( {
 110                                         newalbum                :       document.getElementById('photos-upload-newalbum').value,
 111                                         album                   :       document.getElementById('photos-upload-album-select').value,
 112                                         not_visible     :   document.getElementById('photos-upload-noshare').checked,
 113                                         group_allow             :       getSelected(document.getElementById('group_allow')).join(','),
 114                                         contact_allow   :       getSelected(document.getElementById('contact_allow')).join(','),
 115                                         group_deny              :       getSelected(document.getElementById('group_deny')).join(','),
 116                                         contact_deny    :       getSelected(document.getElementById('contact_deny')).join(',')
 117                                 });
 118                         }
 119                 }
 120         });
 121 }
 122
 123
 124 // in your app create uploader as soon as the DOM is ready
 125 // don't wait for the window to load
 126 window.onload = createUploader;
 127
 128
 129 </script>
 130
 131 EOT;
 132
 133
 134 }
 135
 136 function js_upload_post_init(&$a,&$b) {
 137
 138         // list of valid extensions, ex. array("jpeg", "xml", "bmp")
 139
 140         $allowedExtensions = array("jpeg","gif","png","jpg");
 141
 142         // max file size in bytes
 143
 144         $sizeLimit = get_config('system','maximagesize'); //6 * 1024 * 1024;
 145
 146         $uploader = new qqFileUploader($allowedExtensions, $sizeLimit);
 147
 148         $result = $uploader->handleUpload();
 149
 150
 151         // to pass data through iframe you will need to encode all html tags
 152         $a->data['upload_jsonresponse'] =  htmlspecialchars(json_encode($result), ENT_NOQUOTES);
 153
 154         if(isset($result['error'])) {
 155                 logger('mod/photos.php: photos_post(): error uploading photo: ' . $result['error'] , 'LOGGER_DEBUG');
 156                 echo json_encode($result);
 157                 killme();
 158         }
 159
 160         $a->data['upload_result'] = $result;
 161
 162 }
 163
 164 function js_upload_post_file(&$a,&$b) {
 165
 166         $result = $a->data['upload_result'];
 167
 168         $b['src']               = $result['path'];
 169         $b['filename']  = $result['filename'];
 170         $b['filesize']  = filesize($b['src']);
 171
 172 }
 173
 174
 175 function js_upload_post_end(&$a,&$b) {
 176
 177 logger('upload_post_end');
 178         if(x($a->data,'upload_jsonresponse')) {
 179                 echo $a->data['upload_jsonresponse'];
 180                 killme();
 181         }
 182
 183 }
 184
 185
 186 /**
 187  * Handle file uploads via XMLHttpRequest
 188  */
 189 class qqUploadedFileXhr {
 190
 191         private $pathnm = '';
 192
 193     /**
 194      * Save the file in the temp dir.
 195      * @return boolean TRUE on success
 196      */
 197     function save() {
 198         $input = fopen("php://input", "r");
 199         $this->pathnm = tempnam(sys_get_temp_dir(),'frn');
 200                 $temp = fopen($this->pathnm,"w");
 201         $realSize = stream_copy_to_stream($input, $temp);
 202
 203         fclose($input);
 204                 fclose($temp);
 205
 206         if ($realSize != $this->getSize()){
 207             return false;
 208         }
 209         return true;
 210     }
 211
 212         function getPath() {
 213                 return $this->pathnm;
 214         }
 215
 216     function getName() {
 217         return $_GET['qqfile'];
 218     }
 219
 220     function getSize() {
 221         if (isset($_SERVER["CONTENT_LENGTH"])){
 222             return (int)$_SERVER["CONTENT_LENGTH"];
 223         } else {
 224             throw new Exception('Getting content length is not supported.');
 225         }
 226     }
 227 }
 228
 229 /**
 230  * Handle file uploads via regular form post (uses the $_FILES array)
 231  */
 232
 233 class qqUploadedFileForm {
 234
 235
 236     /**
 237      * Save the file to the specified path
 238      * @return boolean TRUE on success
 239      */
 240
 241
 242     function save() {
 243         return true;
 244     }
 245
 246         function getPath() {
 247                 return $_FILES['qqfile']['tmp_name'];
 248         }
 249
 250     function getName() {
 251         return $_FILES['qqfile']['name'];
 252     }
 253     function getSize() {
 254         return $_FILES['qqfile']['size'];
 255     }
 256 }
 257
 258 class qqFileUploader {
 259     private $allowedExtensions = array();
 260     private $sizeLimit = 10485760;
 261     private $file;
 262
 263     function __construct(array $allowedExtensions = array(), $sizeLimit = 10485760){
 264         $allowedExtensions = array_map("strtolower", $allowedExtensions);
 265
 266         $this->allowedExtensions = $allowedExtensions;
 267         $this->sizeLimit = $sizeLimit;
 268
 269         if (isset($_GET['qqfile'])) {
 270             $this->file = new qqUploadedFileXhr();
 271         } elseif (isset($_FILES['qqfile'])) {
 272             $this->file = new qqUploadedFileForm();
 273         } else {
 274             $this->file = false;
 275         }
 276
 277     }
 278
 279
 280     private function toBytes($str){
 281         $val = trim($str);
 282         $last = strtolower($str[strlen($str)-1]);
 283         switch($last) {
 284             case 'g': $val *= 1024;
 285             case 'm': $val *= 1024;
 286             case 'k': $val *= 1024;
 287         }
 288         return $val;
 289     }
 290
 291     /**
 292      * Returns array('success'=>true) or array('error'=>'error message')
 293      */
 294     function handleUpload(){
 295
 296         if (!$this->file){
 297             return array('error' => t('No files were uploaded.'));
 298         }
 299
 300         $size = $this->file->getSize();
 301
 302         if ($size == 0) {
 303             return array('error' => t('Uploaded file is empty'));
 304         }
 305
 306 //        if ($size > $this->sizeLimit) {
 307
 308 //            return array('error' => t('Uploaded file is too large'));
 309 //        }
 310
 311
 312                 $maximagesize = get_config('system','maximagesize');
 313
 314                 if(($maximagesize) && ($size > $maximagesize)) {
 315                         return array('error' => t('Image exceeds size limit of ') . $maximagesize );
 316
 317                 }
 318
 319         $pathinfo = pathinfo($this->file->getName());
 320         $filename = $pathinfo['filename'];
 321
 322         $ext = $pathinfo['extension'];
 323
 324         if($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)){
 325             $these = implode(', ', $this->allowedExtensions);
 326             return array('error' => t('File has an invalid extension, it should be one of ') . $these . '.');
 327         }
 328
 329         if ($this->file->save()){
 330             return array(
 331                                 'success'=>true,
 332                                 'path' => $this->file->getPath(),
 333                                 'filename' => $filename . '.' . $ext
 334                         );
 335         } else {
 336             return array(
 337                                 'error'=> t('Upload was cancelled, or server error encountered'),
 338                                 'path' => $this->file->getPath(),
 339                                 'filename' => $filename . '.' . $ext
 340                         );
 341         }
 342
 343     }
 344 }