mod/wall_upload.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   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::log("wall upload: starting new upload", Logger::DEBUG);
  42
  43         $r_json = (!empty($_GET['response']) && $_GET['response'] == 'json');
  44         $album = trim($_GET['album'] ?? '');
  45
  46         if ($a->argc > 1) {
  47                 if (empty($_FILES['media'])) {
  48                         $nick = $a->argv[1];
  49                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  50                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  51                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  52                                 AND `contact`.`self` = 1 LIMIT 1",
  53                                 DBA::escape($nick)
  54                         );
  55
  56                         if (!DBA::isResult($r)) {
  57                                 if ($r_json) {
  58                                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
  59                                         exit();
  60                                 }
  61                                 return;
  62                         }
  63                 } else {
  64                         $user_info = api_get_user($a);
  65                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  66                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  67                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  68                                 AND `contact`.`self` = 1 LIMIT 1",
  69                                 DBA::escape($user_info['screen_name'])
  70                         );
  71                 }
  72         } else {
  73                 if ($r_json) {
  74                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
  75                         exit();
  76                 }
  77                 return;
  78         }
  79
  80         /*
  81          * Setup permissions structures
  82          */
  83         $can_post  = false;
  84         $visitor   = 0;
  85
  86         $page_owner_uid   = $r[0]['uid'];
  87         $default_cid      = $r[0]['id'];
  88         $page_owner_nick  = $r[0]['nickname'];
  89         $community_page   = (($r[0]['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
  90
  91         if ((local_user()) && (local_user() == $page_owner_uid)) {
  92                 $can_post = true;
  93         } elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
  94                 $contact_id = Session::getRemoteContactID($page_owner_uid);
  95
  96                 $r = q("SELECT `uid` FROM `contact`
  97                         WHERE `blocked` = 0 AND `pending` = 0
  98                         AND `id` = %d AND `uid` = %d LIMIT 1",
  99                         intval($contact_id),
 100                         intval($page_owner_uid)
 101                 );
 102                 if (DBA::isResult($r)) {
 103                         $can_post = true;
 104                         $visitor = $contact_id;
 105                 }
 106         }
 107
 108         if (!$can_post) {
 109                 if ($r_json) {
 110                         echo json_encode(['error' => DI::l10n()->t('Permission denied.')]);
 111                         exit();
 112                 }
 113                 notice(DI::l10n()->t('Permission denied.') . EOL);
 114                 exit();
 115         }
 116
 117         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
 118                 if ($r_json) {
 119                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
 120                 }
 121                 exit();
 122         }
 123
 124         $src = '';
 125         $filename = '';
 126         $filesize = 0;
 127         $filetype = '';
 128         if (!empty($_FILES['userfile'])) {
 129                 $src      = $_FILES['userfile']['tmp_name'];
 130                 $filename = basename($_FILES['userfile']['name']);
 131                 $filesize = intval($_FILES['userfile']['size']);
 132                 $filetype = $_FILES['userfile']['type'];
 133
 134         } elseif (!empty($_FILES['media'])) {
 135                 if (!empty($_FILES['media']['tmp_name'])) {
 136                         if (is_array($_FILES['media']['tmp_name'])) {
 137                                 $src = $_FILES['media']['tmp_name'][0];
 138                         } else {
 139                                 $src = $_FILES['media']['tmp_name'];
 140                         }
 141                 }
 142
 143                 if (!empty($_FILES['media']['name'])) {
 144                         if (is_array($_FILES['media']['name'])) {
 145                                 $filename = basename($_FILES['media']['name'][0]);
 146                         } else {
 147                                 $filename = basename($_FILES['media']['name']);
 148                         }
 149                 }
 150
 151                 if (!empty($_FILES['media']['size'])) {
 152                         if (is_array($_FILES['media']['size'])) {
 153                                 $filesize = intval($_FILES['media']['size'][0]);
 154                         } else {
 155                                 $filesize = intval($_FILES['media']['size']);
 156                         }
 157                 }
 158
 159                 if (!empty($_FILES['media']['type'])) {
 160                         if (is_array($_FILES['media']['type'])) {
 161                                 $filetype = $_FILES['media']['type'][0];
 162                         } else {
 163                                 $filetype = $_FILES['media']['type'];
 164                         }
 165                 }
 166         }
 167
 168         if ($src == "") {
 169                 if ($r_json) {
 170                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
 171                         exit();
 172                 }
 173                 notice(DI::l10n()->t('Invalid request.').EOL);
 174                 exit();
 175         }
 176
 177         $filetype = Images::getMimeTypeBySource($src, $filename, $filetype);
 178
 179         Logger::log("File upload src: " . $src . " - filename: " . $filename .
 180                 " - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
 181
 182         $maximagesize = DI::config()->get('system', 'maximagesize');
 183
 184         if (($maximagesize) && ($filesize > $maximagesize)) {
 185                 $msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
 186                 if ($r_json) {
 187                         echo json_encode(['error' => $msg]);
 188                 } else {
 189                         echo  $msg. EOL;
 190                 }
 191                 @unlink($src);
 192                 exit();
 193         }
 194
 195         $imagedata = @file_get_contents($src);
 196         $Image = new Image($imagedata, $filetype);
 197
 198         if (!$Image->isValid()) {
 199                 $msg = DI::l10n()->t('Unable to process image.');
 200                 if ($r_json) {
 201                         echo json_encode(['error' => $msg]);
 202                 } else {
 203                         echo  $msg. EOL;
 204                 }
 205                 @unlink($src);
 206                 exit();
 207         }
 208
 209         $Image->orient($src);
 210         @unlink($src);
 211
 212         $max_length = DI::config()->get('system', 'max_image_length');
 213         if (!$max_length) {
 214                 $max_length = MAX_IMAGE_LENGTH;
 215         }
 216         if ($max_length > 0) {
 217                 $Image->scaleDown($max_length);
 218                 Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
 219         }
 220
 221         $width = $Image->getWidth();
 222         $height = $Image->getHeight();
 223
 224         $resource_id = Photo::newResource();
 225
 226         $smallest = 0;
 227
 228         // If we don't have an album name use the Wall Photos album
 229         if (!strlen($album)) {
 230                 $album = DI::l10n()->t('Wall Photos');
 231         }
 232
 233         $defperm = '<' . $default_cid . '>';
 234
 235         $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, 0, $defperm);
 236
 237         if (!$r) {
 238                 $msg = DI::l10n()->t('Image upload failed.');
 239                 if ($r_json) {
 240                         echo json_encode(['error' => $msg]);
 241                 } else {
 242                         echo  $msg. EOL;
 243                 }
 244                 exit();
 245         }
 246
 247         if ($width > 640 || $height > 640) {
 248                 $Image->scaleDown(640);
 249                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, 0, $defperm);
 250                 if ($r) {
 251                         $smallest = 1;
 252                 }
 253         }
 254
 255         if ($width > 320 || $height > 320) {
 256                 $Image->scaleDown(320);
 257                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, 0, $defperm);
 258                 if ($r && ($smallest == 0)) {
 259                         $smallest = 2;
 260                 }
 261         }
 262
 263         if (!$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                         $resource_id
 268                 );
 269                 if (!$r) {
 270                         if ($r_json) {
 271                                 echo json_encode(['error' => '']);
 272                                 exit();
 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"] = DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
 284                 $picture["picture"]   = DI::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
 285                 $picture["preview"]   = DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
 286
 287                 if ($r_json) {
 288                         echo json_encode(['picture' => $picture]);
 289                         exit();
 290                 }
 291                 Logger::log("upload done", Logger::DEBUG);
 292                 return $picture;
 293         }
 294
 295         Logger::log("upload done", Logger::DEBUG);
 296
 297         if ($r_json) {
 298                 echo json_encode(['ok' => true]);
 299                 exit();
 300         }
 301
 302         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";
 303         exit();
 304         // NOTREACHED
 305 }