mod/wall_upload.php

   1 <?php
   2
   3 /**
   4  * @file mod/wall_upload.php
   5  * @brief Module for uploading a picture to the profile wall
   6  *
   7  * By default the picture will be stored in the photo album with the name Wall Photos.
   8  * You can specify a different album by adding an optional query string "album="
   9  * to the url
  10  */
  11
  12 use Friendica\Core\Config;
  13
  14 require_once 'include/Photo.php';
  15
  16 function wall_upload_post(App $a, $desktopmode = true) {
  17
  18         logger("wall upload: starting new upload", LOGGER_DEBUG);
  19
  20         $r_json = (x($_GET, 'response') && $_GET['response'] == 'json');
  21         $album = (x($_GET, 'album') ? notags(trim($_GET['album'])) : '');
  22
  23         if ($a->argc > 1) {
  24                 if (! x($_FILES, 'media')) {
  25                         $nick = $a->argv[1];
  26                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  27                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  28                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  29                                 AND `contact`.`self` = 1 LIMIT 1",
  30                                 dbesc($nick)
  31                         );
  32
  33                         if (! dbm::is_result($r)) {
  34                                 if ($r_json) {
  35                                         echo json_encode(array('error'=>t('Invalid request.')));
  36                                         killme();
  37                                 }
  38                                 return;
  39                         }
  40                 } else {
  41                         $user_info = api_get_user($a);
  42                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  43                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  44                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  45                                 AND `contact`.`self` = 1 LIMIT 1",
  46                                 dbesc($user_info['screen_name'])
  47                         );
  48                 }
  49         } else {
  50                 if ($r_json) {
  51                         echo json_encode(array('error'=>t('Invalid request.')));
  52                         killme();
  53                 }
  54                 return;
  55         }
  56
  57         /*
  58          * Setup permissions structures
  59          */
  60         $can_post  = false;
  61         $visitor   = 0;
  62
  63         $page_owner_uid   = $r[0]['uid'];
  64         $default_cid      = $r[0]['id'];
  65         $page_owner_nick  = $r[0]['nickname'];
  66         $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
  67
  68         if ((local_user()) && (local_user() == $page_owner_uid)) {
  69                 $can_post = true;
  70         } else {
  71                 if ($community_page && remote_user()) {
  72                         $contact_id = 0;
  73                         if (is_array($_SESSION['remote'])) {
  74                                 foreach ($_SESSION['remote'] as $v) {
  75                                         if ($v['uid'] == $page_owner_uid) {
  76                                                 $contact_id = $v['cid'];
  77                                                 break;
  78                                         }
  79                                 }
  80                         }
  81
  82                         if ($contact_id) {
  83                                 $r = q("SELECT `uid` FROM `contact`
  84                                         WHERE `blocked` = 0 AND `pending` = 0
  85                                         AND `id` = %d AND `uid` = %d LIMIT 1",
  86                                         intval($contact_id),
  87                                         intval($page_owner_uid)
  88                                 );
  89                                 if (dbm::is_result($r)) {
  90                                         $can_post = true;
  91                                         $visitor = $contact_id;
  92                                 }
  93                         }
  94                 }
  95         }
  96
  97
  98         if (! $can_post) {
  99                 if ($r_json) {
 100                         echo json_encode(array('error'=>t('Permission denied.')));
 101                         killme();
 102                 }
 103                 notice(t('Permission denied.') . EOL);
 104                 killme();
 105         }
 106
 107         if (! x($_FILES, 'userfile') && ! x($_FILES, 'media')) {
 108                 if ($r_json) {
 109                         echo json_encode(array('error'=>t('Invalid request.')));
 110                 }
 111                 killme();
 112         }
 113
 114         $src = "";
 115         if (x($_FILES, 'userfile')) {
 116                 $src      = $_FILES['userfile']['tmp_name'];
 117                 $filename = basename($_FILES['userfile']['name']);
 118                 $filesize = intval($_FILES['userfile']['size']);
 119                 $filetype = $_FILES['userfile']['type'];
 120
 121         } elseif (x($_FILES, 'media')) {
 122                 if (is_array($_FILES['media']['tmp_name'])) {
 123                         $src = $_FILES['media']['tmp_name'][0];
 124                 } else {
 125                         $src = $_FILES['media']['tmp_name'];
 126                 }
 127
 128                 if (is_array($_FILES['media']['name'])) {
 129                         $filename = basename($_FILES['media']['name'][0]);
 130                 } else {
 131                         $filename = basename($_FILES['media']['name']);
 132                 }
 133
 134                 if (is_array($_FILES['media']['size'])) {
 135                         $filesize = intval($_FILES['media']['size'][0]);
 136                 } else {
 137                         $filesize = intval($_FILES['media']['size']);
 138                 }
 139
 140                 if (is_array($_FILES['media']['type'])) {
 141                         $filetype = $_FILES['media']['type'][0];
 142                 } else {
 143                         $filetype = $_FILES['media']['type'];
 144                 }
 145         }
 146
 147         if ($src=="") {
 148                 if ($r_json) {
 149                         echo json_encode(array('error'=>t('Invalid request.')));
 150                         killme();
 151                 }
 152                 notice(t('Invalid request.').EOL);
 153                 killme();
 154         }
 155
 156         // This is a special treatment for picture upload from Twidere
 157         if (($filename == "octet-stream") && ($filetype != "")) {
 158                 $filename = $filetype;
 159                 $filetype = "";
 160         }
 161
 162         if ($filetype=="") {
 163                 $filetype=guess_image_type($filename);
 164         }
 165
 166         // If there is a temp name, then do a manual check
 167         // This is more reliable than the provided value
 168
 169         $imagedata = getimagesize($src);
 170         if ($imagedata) {
 171                 $filetype = $imagedata['mime'];
 172         }
 173
 174         logger("File upload src: " . $src . " - filename: " . $filename .
 175                 " - size: " . $filesize . " - type: " . $filetype, LOGGER_DEBUG);
 176
 177         $maximagesize = Config::get('system', 'maximagesize');
 178
 179         if (($maximagesize) && ($filesize > $maximagesize)) {
 180                 $msg = sprintf(t('Image exceeds size limit of %s'), formatBytes($maximagesize));
 181                 if ($r_json) {
 182                         echo json_encode(array('error'=>$msg));
 183                 } else {
 184                         echo  $msg. EOL;
 185                 }
 186                 @unlink($src);
 187                 killme();
 188         }
 189
 190
 191         $limit = service_class_fetch($page_owner_uid, 'photo_upload_limit');
 192
 193         if ($limit) {
 194                 $r = q("SELECT SUM(OCTET_LENGTH(`data`)) AS `total` FROM `photo`
 195                         WHERE `uid` = %d AND `scale` = 0
 196                         AND `album` != 'Contact Photos' ",
 197                         intval($page_owner_uid)
 198                 );
 199                 $size = $r[0]['total'];
 200
 201                 if (($size + strlen($imagedata)) > $limit) {
 202                         $msg = upgrade_message(true);
 203                         if ($r_json) {
 204                                 echo json_encode(array('error'=>$msg));
 205                         } else {
 206                                 echo  $msg. EOL;
 207                         }
 208                         @unlink($src);
 209                         killme();
 210                 }
 211         }
 212
 213         $imagedata = @file_get_contents($src);
 214         $ph = new Photo($imagedata, $filetype);
 215
 216         if (! $ph->is_valid()) {
 217                 $msg = t('Unable to process image.');
 218                 if ($r_json) {
 219                         echo json_encode(array('error'=>$msg));
 220                 } else {
 221                         echo  $msg. EOL;
 222                 }
 223                 @unlink($src);
 224                 killme();
 225         }
 226
 227         $ph->orient($src);
 228         @unlink($src);
 229
 230         $max_length = Config::get('system', 'max_image_length');
 231         if (! $max_length) {
 232                 $max_length = MAX_IMAGE_LENGTH;
 233         }
 234         if ($max_length > 0) {
 235                 $ph->scaleImage($max_length);
 236                 logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 237         }
 238
 239         $width = $ph->getWidth();
 240         $height = $ph->getHeight();
 241
 242         $hash = photo_new_resource();
 243
 244         $smallest = 0;
 245
 246         // If we don't have an album name use the Wall Photos album
 247         if (! strlen($album)) {
 248                 $album = t('Wall Photos');
 249         }
 250
 251         $defperm = '<' . $default_cid . '>';
 252
 253         $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 254
 255         if (! $r) {
 256                 $msg = t('Image upload failed.');
 257                 if ($r_json) {
 258                         echo json_encode(array('error'=>$msg));
 259                 } else {
 260                         echo  $msg. EOL;
 261                 }
 262                 killme();
 263         }
 264
 265         if ($width > 640 || $height > 640) {
 266                 $ph->scaleImage(640);
 267                 $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 268                 if ($r) {
 269                         $smallest = 1;
 270                 }
 271         }
 272
 273         if ($width > 320 || $height > 320) {
 274                 $ph->scaleImage(320);
 275                 $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 276                 if ($r && ($smallest == 0)) {
 277                         $smallest = 2;
 278                 }
 279         }
 280
 281         $basename = basename($filename);
 282
 283         if (!$desktopmode) {
 284                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 285                         WHERE `resource-id` = '%s'
 286                         ORDER BY `width` DESC LIMIT 1",
 287                         $hash
 288                 );
 289                 if (!$r) {
 290                         if ($r_json) {
 291                                 echo json_encode(array('error'=>''));
 292                                 killme();
 293                         }
 294                         return false;
 295                 }
 296                 $picture = array();
 297
 298                 $picture["id"]        = $r[0]["id"];
 299                 $picture["size"]      = $r[0]["datasize"];
 300                 $picture["width"]     = $r[0]["width"];
 301                 $picture["height"]    = $r[0]["height"];
 302                 $picture["type"]      = $r[0]["type"];
 303                 $picture["albumpage"] = App::get_baseurl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 304                 $picture["picture"]   = App::get_baseurl() . "/photo/{$hash}-0." . $ph->getExt();
 305                 $picture["preview"]   = App::get_baseurl() . "/photo/{$hash}-{$smallest}." . $ph->getExt();
 306
 307                 if ($r_json) {
 308                         echo json_encode(array('picture'=>$picture));
 309                         killme();
 310                 }
 311                 return $picture;
 312         }
 313
 314
 315         if ($r_json) {
 316                 echo json_encode(array('ok'=>true));
 317                 killme();
 318         }
 319
 320 /* mod Waitman Gobble NO WARRANTY */
 321         // if we get the signal then return the image url info in BBCODE
 322         if ($_REQUEST['hush']!='yeah') {
 323                 echo  "\n\n" . '[url=' . App::get_baseurl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . App::get_baseurl() . "/photo/{$hash}-{$smallest}.".$ph->getExt()."[/img][/url]\n\n";
 324         } else {
 325                 $m = '[url='.App::get_baseurl().'/photos/'.$page_owner_nick.'/image/'.$hash.'][img]'.App::get_baseurl()."/photo/{$hash}-{$smallest}.".$ph->getExt()."[/img][/url]";
 326                 return($m);
 327         }
 328 /* mod Waitman Gobble NO WARRANTY */
 329
 330         killme();
 331         // NOTREACHED
 332 }