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 ($r_json) {
  89                         System::jsonExit(['error' => DI::l10n()->t('Permission denied.')]);
  90                 }
  91                 notice(DI::l10n()->t('Permission denied.'));
  92                 exit();
  93         }
  94
  95         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
  96                 if ($r_json) {
  97                         System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
  98                 }
  99                 exit();
 100         }
 101
 102         $src = '';
 103         $filename = '';
 104         $filesize = 0;
 105         $filetype = '';
 106         if (!empty($_FILES['userfile'])) {
 107                 $src      = $_FILES['userfile']['tmp_name'];
 108                 $filename = basename($_FILES['userfile']['name']);
 109                 $filesize = intval($_FILES['userfile']['size']);
 110                 $filetype = $_FILES['userfile']['type'];
 111
 112         } elseif (!empty($_FILES['media'])) {
 113                 if (!empty($_FILES['media']['tmp_name'])) {
 114                         if (is_array($_FILES['media']['tmp_name'])) {
 115                                 $src = $_FILES['media']['tmp_name'][0];
 116                         } else {
 117                                 $src = $_FILES['media']['tmp_name'];
 118                         }
 119                 }
 120
 121                 if (!empty($_FILES['media']['name'])) {
 122                         if (is_array($_FILES['media']['name'])) {
 123                                 $filename = basename($_FILES['media']['name'][0]);
 124                         } else {
 125                                 $filename = basename($_FILES['media']['name']);
 126                         }
 127                 }
 128
 129                 if (!empty($_FILES['media']['size'])) {
 130                         if (is_array($_FILES['media']['size'])) {
 131                                 $filesize = intval($_FILES['media']['size'][0]);
 132                         } else {
 133                                 $filesize = intval($_FILES['media']['size']);
 134                         }
 135                 }
 136
 137                 if (!empty($_FILES['media']['type'])) {
 138                         if (is_array($_FILES['media']['type'])) {
 139                                 $filetype = $_FILES['media']['type'][0];
 140                         } else {
 141                                 $filetype = $_FILES['media']['type'];
 142                         }
 143                 }
 144         }
 145
 146         if ($src == "") {
 147                 if ($r_json) {
 148                         System::jsonExit(['error' => DI::l10n()->t('Invalid request.')]);
 149                 }
 150                 notice(DI::l10n()->t('Invalid request.'));
 151                 exit();
 152         }
 153
 154         $filetype = Images::getMimeTypeBySource($src, $filename, $filetype);
 155
 156         Logger::info("File upload src: " . $src . " - filename: " . $filename .
 157                 " - size: " . $filesize . " - type: " . $filetype);
 158
 159         $imagedata = @file_get_contents($src);
 160         $Image = new Image($imagedata, $filetype);
 161
 162         if (!$Image->isValid()) {
 163                 $msg = DI::l10n()->t('Unable to process image.');
 164                 @unlink($src);
 165                 if ($r_json) {
 166                         System::jsonExit(['error' => $msg]);
 167                 } else {
 168                         echo  $msg. EOL;
 169                 }
 170                 exit();
 171         }
 172
 173         $Image->orient($src);
 174         @unlink($src);
 175
 176         $max_length = DI::config()->get('system', 'max_image_length');
 177         if ($max_length > 0) {
 178                 $Image->scaleDown($max_length);
 179                 $filesize = strlen($Image->asString());
 180                 Logger::info("File upload: Scaling picture to new size " . $max_length);
 181         }
 182
 183         $width = $Image->getWidth();
 184         $height = $Image->getHeight();
 185
 186         $maximagesize = DI::config()->get('system', 'maximagesize');
 187
 188         if (!empty($maximagesize) && ($filesize > $maximagesize)) {
 189                 // Scale down to multiples of 640 until the maximum size isn't exceeded anymore
 190                 foreach ([5120, 2560, 1280, 640] as $pixels) {
 191                         if (($filesize > $maximagesize) && (max($width, $height) > $pixels)) {
 192                                 Logger::info('Resize', ['size' => $filesize, 'width' => $width, 'height' => $height, 'max' => $maximagesize, 'pixels' => $pixels]);
 193                                 $Image->scaleDown($pixels);
 194                                 $filesize = strlen($Image->asString());
 195                                 $width = $Image->getWidth();
 196                                 $height = $Image->getHeight();
 197                         }
 198                 }
 199                 if ($filesize > $maximagesize) {
 200                         Logger::notice('Image size is too big', ['size' => $filesize, 'max' => $maximagesize]);
 201                         $msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
 202                         @unlink($src);
 203                         if ($r_json) {
 204                                 System::jsonExit(['error' => $msg]);
 205                         } else {
 206                                 echo  $msg. EOL;
 207                         }
 208                         exit();
 209                 }
 210         }
 211
 212         $resource_id = Photo::newResource();
 213
 214         $smallest = 0;
 215
 216         // If we don't have an album name use the Wall Photos album
 217         if (!strlen($album)) {
 218                 $album = DI::l10n()->t('Wall Photos');
 219         }
 220
 221         $defperm = '<' . $default_cid . '>';
 222
 223         $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, Photo::DEFAULT, $defperm);
 224
 225         if (!$r) {
 226                 $msg = DI::l10n()->t('Image upload failed.');
 227                 if ($r_json) {
 228                         System::jsonExit(['error' => $msg]);
 229                 } else {
 230                         echo  $msg. EOL;
 231                 }
 232                 exit();
 233         }
 234
 235         if ($width > 640 || $height > 640) {
 236                 $Image->scaleDown(640);
 237                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, Photo::DEFAULT, $defperm);
 238                 if ($r) {
 239                         $smallest = 1;
 240                 }
 241         }
 242
 243         if ($width > 320 || $height > 320) {
 244                 $Image->scaleDown(320);
 245                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, Photo::DEFAULT, $defperm);
 246                 if ($r && ($smallest == 0)) {
 247                         $smallest = 2;
 248                 }
 249         }
 250
 251         if (!$desktopmode) {
 252                 $photo = Photo::selectFirst(['id', 'datasize', 'width', 'height', 'type'], ['resource-id' => $resource_id], ['order' => ['width']]);
 253                 if (!$photo) {
 254                         if ($r_json) {
 255                                 System::jsonExit(['error' => '']);
 256                         }
 257                         return false;
 258                 }
 259                 $picture = [];
 260
 261                 $picture["id"]        = $photo["id"];
 262                 $picture["size"]      = $photo["datasize"];
 263                 $picture["width"]     = $photo["width"];
 264                 $picture["height"]    = $photo["height"];
 265                 $picture["type"]      = $photo["type"];
 266                 $picture["albumpage"] = DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
 267                 $picture["picture"]   = DI::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
 268                 $picture["preview"]   = DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
 269
 270                 if ($r_json) {
 271                         System::jsonExit(['picture' => $picture]);
 272                 }
 273                 Logger::info("upload done");
 274                 return $picture;
 275         }
 276
 277         Logger::info("upload done");
 278
 279         if ($r_json) {
 280                 System::jsonExit(['ok' => true]);
 281         }
 282
 283         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";
 284         exit();
 285         // NOTREACHED
 286 }