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