mod/wall_upload.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  * Module for uploading a picture to the profile wall
  21  *
  22  * By default the picture will be stored in the photo album with the name Wall Photos.
  23  * You can specify a different album by adding an optional query string "album="
  24  * to the url
  25  *
  26  */
  27
  28 use Friendica\App;
  29 use Friendica\Core\Logger;
  30 use Friendica\Core\Session;
  31 use Friendica\Database\DBA;
  32 use Friendica\DI;
  33 use Friendica\Model\Photo;
  34 use Friendica\Model\User;
  35 use Friendica\Object\Image;
  36 use Friendica\Util\Images;
  37 use Friendica\Util\Strings;
  38
  39 function wall_upload_post(App $a, $desktopmode = true)
  40 {
  41         Logger::info("wall upload: starting new upload");
  42
  43         $r_json = (!empty($_GET['response']) && $_GET['response'] == 'json');
  44         $album = trim($_GET['album'] ?? '');
  45
  46         if (DI::args()->getArgc() > 1) {
  47                 if (empty($_FILES['media'])) {
  48                         $nick = DI::args()->getArgv()[1];
  49                         $user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['nickname' => $nick, 'blocked' => false]);
  50                         if (!DBA::isResult($user)) {
  51                                 if ($r_json) {
  52                                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
  53                                         exit();
  54                                 }
  55                                 return;
  56                         }
  57                 } else {
  58                         $user_info = api_get_user($a);
  59                         $user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['nickname' => $user_info['screen_name'], 'blocked' => false]);
  60                 }
  61         } else {
  62                 if ($r_json) {
  63                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
  64                         exit();
  65                 }
  66                 return;
  67         }
  68
  69         /*
  70          * Setup permissions structures
  71          */
  72         $can_post  = false;
  73         $visitor   = 0;
  74
  75         $page_owner_uid   = $user['uid'];
  76         $default_cid      = $user['id'];
  77         $page_owner_nick  = $user['nickname'];
  78         $community_page   = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
  79
  80         if ((local_user()) && (local_user() == $page_owner_uid)) {
  81                 $can_post = true;
  82         } elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
  83                 $contact_id = Session::getRemoteContactID($page_owner_uid);
  84                 $can_post = DBA::exists('contact', ['blocked' => false, 'pending' => false, 'id' => $contact_id, 'uid' => $page_owner_uid]);
  85                 $visitor = $contact_id;
  86         }
  87
  88         if (!$can_post) {
  89                 if ($r_json) {
  90                         echo json_encode(['error' => DI::l10n()->t('Permission denied.')]);
  91                         exit();
  92                 }
  93                 notice(DI::l10n()->t('Permission denied.'));
  94                 exit();
  95         }
  96
  97         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
  98                 if ($r_json) {
  99                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
 100                 }
 101                 exit();
 102         }
 103
 104         $src = '';
 105         $filename = '';
 106         $filesize = 0;
 107         $filetype = '';
 108         if (!empty($_FILES['userfile'])) {
 109                 $src      = $_FILES['userfile']['tmp_name'];
 110                 $filename = basename($_FILES['userfile']['name']);
 111                 $filesize = intval($_FILES['userfile']['size']);
 112                 $filetype = $_FILES['userfile']['type'];
 113
 114         } elseif (!empty($_FILES['media'])) {
 115                 if (!empty($_FILES['media']['tmp_name'])) {
 116                         if (is_array($_FILES['media']['tmp_name'])) {
 117                                 $src = $_FILES['media']['tmp_name'][0];
 118                         } else {
 119                                 $src = $_FILES['media']['tmp_name'];
 120                         }
 121                 }
 122
 123                 if (!empty($_FILES['media']['name'])) {
 124                         if (is_array($_FILES['media']['name'])) {
 125                                 $filename = basename($_FILES['media']['name'][0]);
 126                         } else {
 127                                 $filename = basename($_FILES['media']['name']);
 128                         }
 129                 }
 130
 131                 if (!empty($_FILES['media']['size'])) {
 132                         if (is_array($_FILES['media']['size'])) {
 133                                 $filesize = intval($_FILES['media']['size'][0]);
 134                         } else {
 135                                 $filesize = intval($_FILES['media']['size']);
 136                         }
 137                 }
 138
 139                 if (!empty($_FILES['media']['type'])) {
 140                         if (is_array($_FILES['media']['type'])) {
 141                                 $filetype = $_FILES['media']['type'][0];
 142                         } else {
 143                                 $filetype = $_FILES['media']['type'];
 144                         }
 145                 }
 146         }
 147
 148         if ($src == "") {
 149                 if ($r_json) {
 150                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
 151                         exit();
 152                 }
 153                 notice(DI::l10n()->t('Invalid request.'));
 154                 exit();
 155         }
 156
 157         $filetype = Images::getMimeTypeBySource($src, $filename, $filetype);
 158
 159         Logger::info("File upload src: " . $src . " - filename: " . $filename .
 160                 " - size: " . $filesize . " - type: " . $filetype);
 161
 162         $imagedata = @file_get_contents($src);
 163         $Image = new Image($imagedata, $filetype);
 164
 165         if (!$Image->isValid()) {
 166                 $msg = DI::l10n()->t('Unable to process image.');
 167                 if ($r_json) {
 168                         echo json_encode(['error' => $msg]);
 169                 } else {
 170                         echo  $msg. EOL;
 171                 }
 172                 @unlink($src);
 173                 exit();
 174         }
 175
 176         $Image->orient($src);
 177         @unlink($src);
 178
 179         $max_length = DI::config()->get('system', 'max_image_length');
 180         if (!$max_length) {
 181                 $max_length = MAX_IMAGE_LENGTH;
 182         }
 183         if ($max_length > 0) {
 184                 $Image->scaleDown($max_length);
 185                 $filesize = strlen($Image->asString());
 186                 Logger::info("File upload: Scaling picture to new size " . $max_length);
 187         }
 188
 189         $width = $Image->getWidth();
 190         $height = $Image->getHeight();
 191
 192         $maximagesize = DI::config()->get('system', 'maximagesize');
 193
 194         if (!empty($maximagesize) && ($filesize > $maximagesize)) {
 195                 // Scale down to multiples of 640 until the maximum size isn't exceeded anymore
 196                 foreach ([5120, 2560, 1280, 640] as $pixels) {
 197                         if (($filesize > $maximagesize) && (max($width, $height) > $pixels)) {
 198                                 Logger::info('Resize', ['size' => $filesize, 'width' => $width, 'height' => $height, 'max' => $maximagesize, 'pixels' => $pixels]);
 199                                 $Image->scaleDown($pixels);
 200                                 $filesize = strlen($Image->asString());
 201                                 $width = $Image->getWidth();
 202                                 $height = $Image->getHeight();
 203                         }
 204                 }
 205                 if ($filesize > $maximagesize) {
 206                         Logger::notice('Image size is too big', ['size' => $filesize, 'max' => $maximagesize]);
 207                         $msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
 208                         if ($r_json) {
 209                                 echo json_encode(['error' => $msg]);
 210                         } else {
 211                                 echo  $msg. EOL;
 212                         }
 213                         @unlink($src);
 214                         exit();
 215                 }
 216         }
 217
 218         $resource_id = Photo::newResource();
 219
 220         $smallest = 0;
 221
 222         // If we don't have an album name use the Wall Photos album
 223         if (!strlen($album)) {
 224                 $album = DI::l10n()->t('Wall Photos');
 225         }
 226
 227         $defperm = '<' . $default_cid . '>';
 228
 229         $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, Photo::DEFAULT, $defperm);
 230
 231         if (!$r) {
 232                 $msg = DI::l10n()->t('Image upload failed.');
 233                 if ($r_json) {
 234                         echo json_encode(['error' => $msg]);
 235                 } else {
 236                         echo  $msg. EOL;
 237                 }
 238                 exit();
 239         }
 240
 241         if ($width > 640 || $height > 640) {
 242                 $Image->scaleDown(640);
 243                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, Photo::DEFAULT, $defperm);
 244                 if ($r) {
 245                         $smallest = 1;
 246                 }
 247         }
 248
 249         if ($width > 320 || $height > 320) {
 250                 $Image->scaleDown(320);
 251                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, Photo::DEFAULT, $defperm);
 252                 if ($r && ($smallest == 0)) {
 253                         $smallest = 2;
 254                 }
 255         }
 256
 257         if (!$desktopmode) {
 258                 $photo = Photo::selectFirst(['id', 'datasize', 'width', 'height', 'type'], ['resource-id' => $resource_id], ['order' => ['width']]);
 259                 if (!$photo) {
 260                         if ($r_json) {
 261                                 echo json_encode(['error' => '']);
 262                                 exit();
 263                         }
 264                         return false;
 265                 }
 266                 $picture = [];
 267
 268                 $picture["id"]        = $photo["id"];
 269                 $picture["size"]      = $photo["datasize"];
 270                 $picture["width"]     = $photo["width"];
 271                 $picture["height"]    = $photo["height"];
 272                 $picture["type"]      = $photo["type"];
 273                 $picture["albumpage"] = DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
 274                 $picture["picture"]   = DI::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
 275                 $picture["preview"]   = DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
 276
 277                 if ($r_json) {
 278                         echo json_encode(['picture' => $picture]);
 279                         exit();
 280                 }
 281                 Logger::info("upload done");
 282                 return $picture;
 283         }
 284
 285         Logger::info("upload done");
 286
 287         if ($r_json) {
 288                 echo json_encode(['ok' => true]);
 289                 exit();
 290         }
 291
 292         echo  "\n\n" . '[url=' . DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id . '][img]' . DI::baseUrl() . "/photo/{$resource_id}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 293         exit();
 294         // NOTREACHED
 295 }