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