mod/wall_upload.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, 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\Core\System;
  32 use Friendica\Database\DBA;
  33 use Friendica\DI;
  34 use Friendica\Model\Photo;
  35 use Friendica\Model\User;
  36 use Friendica\Module\BaseApi;
  37 use Friendica\Object\Image;
  38 use Friendica\Util\Images;
  39 use Friendica\Util\Strings;
  40
  41 function wall_upload_post(App $a, $desktopmode = true)
  42 {
  43         Logger::info("wall upload: starting new upload");
  44
  45         $r_json = (!empty($_GET['response']) && $_GET['response'] == 'json');
  46         $album = trim($_GET['album'] ?? '');
  47
  48         if (DI::args()->getArgc() > 1) {
  49                 if (empty($_FILES['media'])) {
  50                         $nick = DI::args()->getArgv()[1];
  51                         $user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['nickname' => $nick, 'blocked' => false]);
  52                         if (!DBA::isResult($user)) {
  53                                 if ($r_json) {
  54                                         System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
  55                                 }
  56                                 return;
  57                         }
  58                 } else {
  59                         $user = DBA::selectFirst('owner-view', ['id', 'uid', 'nickname', 'page-flags'], ['uid' => BaseApi::getCurrentUserID(), 'blocked' => false]);
  60                 }
  61         } else {
  62                 if ($r_json) {
  63                         System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
  64                 }
  65                 return;
  66         }
  67
  68         /*
  69          * Setup permissions structures
  70          */
  71         $can_post  = false;
  72         $visitor   = 0;
  73
  74         $page_owner_uid   = $user['uid'];
  75         $default_cid      = $user['id'];
  76         $page_owner_nick  = $user['nickname'];
  77         $community_page   = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
  78
  79         if ((local_user()) && (local_user() == $page_owner_uid)) {
  80                 $can_post = true;
  81         } elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
  82                 $contact_id = Session::getRemoteContactID($page_owner_uid);
  83                 $can_post = DBA::exists('contact', ['blocked' => false, 'pending' => false, 'id' => $contact_id, 'uid' => $page_owner_uid]);
  84                 $visitor = $contact_id;
  85         }
  86
  87         if (!$can_post) {
  88                 if ($r_json) {
  89                         System::jsonExit(['error' => DI::l10n()->t('Permission denied.')]);
  90                 }
  91                 notice(DI::l10n()->t('Permission denied.'));
  92                 DI::page()->logRuntime();
  93                 exit();
  94         }
  95
  96         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
  97                 if ($r_json) {
  98                         System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
  99                 }
 100                 DI::page()->logRuntime();
 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                         System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
 151                 }
 152                 notice(DI::l10n()->t('Invalid request.'));
 153                 DI::page()->logRuntime();
 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                 $msg = DI::l10n()->t('Unable to process image.');
 167                 @unlink($src);
 168                 if ($r_json) {
 169                         System::jsonExit(['error' => $msg]);
 170                 } else {
 171                         echo  $msg. EOL;
 172                 }
 173                 DI::page()->logRuntime();
 174                 exit();
 175         }
 176
 177         $Image->orient($src);
 178         @unlink($src);
 179
 180         $max_length = DI::config()->get('system', 'max_image_length');
 181         if ($max_length > 0) {
 182                 $Image->scaleDown($max_length);
 183                 $filesize = strlen($Image->asString());
 184                 Logger::info("File upload: Scaling picture to new size " . $max_length);
 185         }
 186
 187         $width = $Image->getWidth();
 188         $height = $Image->getHeight();
 189
 190         $maximagesize = DI::config()->get('system', 'maximagesize');
 191
 192         if (!empty($maximagesize) && ($filesize > $maximagesize)) {
 193                 // Scale down to multiples of 640 until the maximum size isn't exceeded anymore
 194                 foreach ([5120, 2560, 1280, 640] as $pixels) {
 195                         if (($filesize > $maximagesize) && (max($width, $height) > $pixels)) {
 196                                 Logger::info('Resize', ['size' => $filesize, 'width' => $width, 'height' => $height, 'max' => $maximagesize, 'pixels' => $pixels]);
 197                                 $Image->scaleDown($pixels);
 198                                 $filesize = strlen($Image->asString());
 199                                 $width = $Image->getWidth();
 200                                 $height = $Image->getHeight();
 201                         }
 202                 }
 203                 if ($filesize > $maximagesize) {
 204                         Logger::notice('Image size is too big', ['size' => $filesize, 'max' => $maximagesize]);
 205                         $msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
 206                         @unlink($src);
 207                         if ($r_json) {
 208                                 System::jsonExit(['error' => $msg]);
 209                         } else {
 210                                 echo  $msg. EOL;
 211                         }
 212                         DI::page()->logRuntime();
 213                         exit();
 214                 }
 215         }
 216
 217         $resource_id = Photo::newResource();
 218
 219         $smallest = 0;
 220
 221         // If we don't have an album name use the Wall Photos album
 222         if (!strlen($album)) {
 223                 $album = DI::l10n()->t('Wall Photos');
 224         }
 225
 226         $defperm = '<' . $default_cid . '>';
 227
 228         $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, Photo::DEFAULT, $defperm);
 229
 230         if (!$r) {
 231                 $msg = DI::l10n()->t('Image upload failed.');
 232                 if ($r_json) {
 233                         System::jsonExit(['error' => $msg]);
 234                 } else {
 235                         echo  $msg. EOL;
 236                 }
 237                 DI::page()->logRuntime();
 238                 exit();
 239         }
 240
 241         if ($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                                 System::jsonExit(['error' => '']);
 262                         }
 263                         return false;
 264                 }
 265                 $picture = [];
 266
 267                 $picture["id"]        = $photo["id"];
 268                 $picture["size"]      = $photo["datasize"];
 269                 $picture["width"]     = $photo["width"];
 270                 $picture["height"]    = $photo["height"];
 271                 $picture["type"]      = $photo["type"];
 272                 $picture["albumpage"] = DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
 273                 $picture["picture"]   = DI::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
 274                 $picture["preview"]   = DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
 275
 276                 if ($r_json) {
 277                         System::jsonExit(['picture' => $picture]);
 278                 }
 279                 Logger::info("upload done");
 280                 return $picture;
 281         }
 282
 283         Logger::info("upload done");
 284
 285         if ($r_json) {
 286                 System::jsonExit(['ok' => true]);
 287         }
 288
 289         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";
 290         DI::page()->logRuntime();
 291         exit();
 292         // NOTREACHED
 293 }