mod/wall_upload.php

   1 <?php
   2 /**
   3  * @file mod/wall_upload.php
   4  * @brief Module for uploading a picture to the profile wall
   5  *
   6  * By default the picture will be stored in the photo album with the name Wall Photos.
   7  * You can specify a different album by adding an optional query string "album="
   8  * to the url
   9  */
  10
  11 use Friendica\App;
  12 use Friendica\Core\L10n;
  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' => L10n::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' => L10n::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 ($r_json) {
 103                         echo json_encode(['error' => L10n::t('Permission denied.')]);
 104                         killme();
 105                 }
 106                 notice(L10n::t('Permission denied.') . EOL);
 107                 killme();
 108         }
 109
 110         if (!x($_FILES, 'userfile') && !x($_FILES, 'media')) {
 111                 if ($r_json) {
 112                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 113                 }
 114                 killme();
 115         }
 116
 117         $src = '';
 118         $filename = '';
 119         $filesize = 0;
 120         $filetype = '';
 121         if (x($_FILES, 'userfile')) {
 122                 $src      = $_FILES['userfile']['tmp_name'];
 123                 $filename = basename($_FILES['userfile']['name']);
 124                 $filesize = intval($_FILES['userfile']['size']);
 125                 $filetype = $_FILES['userfile']['type'];
 126
 127         } elseif (x($_FILES, 'media')) {
 128                 if (!empty($_FILES['media']['tmp_name'])) {
 129                         if (is_array($_FILES['media']['tmp_name'])) {
 130                                 $src = $_FILES['media']['tmp_name'][0];
 131                         } else {
 132                                 $src = $_FILES['media']['tmp_name'];
 133                         }
 134                 }
 135
 136                 if (!empty($_FILES['media']['name'])) {
 137                         if (is_array($_FILES['media']['name'])) {
 138                                 $filename = basename($_FILES['media']['name'][0]);
 139                         } else {
 140                                 $filename = basename($_FILES['media']['name']);
 141                         }
 142                 }
 143
 144                 if (!empty($_FILES['media']['size'])) {
 145                         if (is_array($_FILES['media']['size'])) {
 146                                 $filesize = intval($_FILES['media']['size'][0]);
 147                         } else {
 148                                 $filesize = intval($_FILES['media']['size']);
 149                         }
 150                 }
 151
 152                 if (!empty($_FILES['media']['type'])) {
 153                         if (is_array($_FILES['media']['type'])) {
 154                                 $filetype = $_FILES['media']['type'][0];
 155                         } else {
 156                                 $filetype = $_FILES['media']['type'];
 157                         }
 158                 }
 159         }
 160
 161         if ($src == "") {
 162                 if ($r_json) {
 163                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 164                         killme();
 165                 }
 166                 notice(L10n::t('Invalid request.').EOL);
 167                 killme();
 168         }
 169
 170         // This is a special treatment for picture upload from Twidere
 171         if (($filename == "octet-stream") && ($filetype != "")) {
 172                 $filename = $filetype;
 173                 $filetype = "";
 174         }
 175
 176         if ($filetype == "") {
 177                 $filetype = Image::guessType($filename);
 178         }
 179
 180         // If there is a temp name, then do a manual check
 181         // This is more reliable than the provided value
 182
 183         $imagedata = getimagesize($src);
 184         if ($imagedata) {
 185                 $filetype = $imagedata['mime'];
 186         }
 187
 188         logger("File upload src: " . $src . " - filename: " . $filename .
 189                 " - size: " . $filesize . " - type: " . $filetype, LOGGER_DEBUG);
 190
 191         $maximagesize = Config::get('system', 'maximagesize');
 192
 193         if (($maximagesize) && ($filesize > $maximagesize)) {
 194                 $msg = L10n::t('Image exceeds size limit of %s', formatBytes($maximagesize));
 195                 if ($r_json) {
 196                         echo json_encode(['error' => $msg]);
 197                 } else {
 198                         echo  $msg. EOL;
 199                 }
 200                 @unlink($src);
 201                 killme();
 202         }
 203
 204         $imagedata = @file_get_contents($src);
 205         $Image = new Image($imagedata, $filetype);
 206
 207         if (!$Image->isValid()) {
 208                 $msg = L10n::t('Unable to process image.');
 209                 if ($r_json) {
 210                         echo json_encode(['error' => $msg]);
 211                 } else {
 212                         echo  $msg. EOL;
 213                 }
 214                 @unlink($src);
 215                 killme();
 216         }
 217
 218         $Image->orient($src);
 219         @unlink($src);
 220
 221         $max_length = Config::get('system', 'max_image_length');
 222         if (!$max_length) {
 223                 $max_length = MAX_IMAGE_LENGTH;
 224         }
 225         if ($max_length > 0) {
 226                 $Image->scaleDown($max_length);
 227                 logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 228         }
 229
 230         $width = $Image->getWidth();
 231         $height = $Image->getHeight();
 232
 233         $hash = Photo::newResource();
 234
 235         $smallest = 0;
 236
 237         // If we don't have an album name use the Wall Photos album
 238         if (!strlen($album)) {
 239                 $album = L10n::t('Wall Photos');
 240         }
 241
 242         $defperm = '<' . $default_cid . '>';
 243
 244         $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 245
 246         if (!$r) {
 247                 $msg = L10n::t('Image upload failed.');
 248                 if ($r_json) {
 249                         echo json_encode(['error' => $msg]);
 250                 } else {
 251                         echo  $msg. EOL;
 252                 }
 253                 killme();
 254         }
 255
 256         if ($width > 640 || $height > 640) {
 257                 $Image->scaleDown(640);
 258                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 259                 if ($r) {
 260                         $smallest = 1;
 261                 }
 262         }
 263
 264         if ($width > 320 || $height > 320) {
 265                 $Image->scaleDown(320);
 266                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 267                 if ($r && ($smallest == 0)) {
 268                         $smallest = 2;
 269                 }
 270         }
 271
 272         $basename = basename($filename);
 273
 274         if (!$desktopmode) {
 275                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 276                         WHERE `resource-id` = '%s'
 277                         ORDER BY `width` DESC LIMIT 1",
 278                         $hash
 279                 );
 280                 if (!$r) {
 281                         if ($r_json) {
 282                                 echo json_encode(['error' => '']);
 283                                 killme();
 284                         }
 285                         return false;
 286                 }
 287                 $picture = [];
 288
 289                 $picture["id"]        = $r[0]["id"];
 290                 $picture["size"]      = $r[0]["datasize"];
 291                 $picture["width"]     = $r[0]["width"];
 292                 $picture["height"]    = $r[0]["height"];
 293                 $picture["type"]      = $r[0]["type"];
 294                 $picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 295                 $picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
 296                 $picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $Image->getExt();
 297
 298                 if ($r_json) {
 299                         echo json_encode(['picture' => $picture]);
 300                         killme();
 301                 }
 302                 logger("upload done", LOGGER_DEBUG);
 303                 return $picture;
 304         }
 305
 306         logger("upload done", LOGGER_DEBUG);
 307
 308         if ($r_json) {
 309                 echo json_encode(['ok' => true]);
 310                 killme();
 311         }
 312
 313         echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 314         killme();
 315         // NOTREACHED
 316 }