mod/wall_upload.php

   1 <?php
   2 /**
   3  * @file mod/wall_upload.php
   4  * 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\Logger;
  13 use Friendica\Core\Session;
  14 use Friendica\Database\DBA;
  15 use Friendica\DI;
  16 use Friendica\Model\Photo;
  17 use Friendica\Model\User;
  18 use Friendica\Object\Image;
  19 use Friendica\Util\Images;
  20 use Friendica\Util\Strings;
  21
  22 function wall_upload_post(App $a, $desktopmode = true)
  23 {
  24         Logger::log("wall upload: starting new upload", Logger::DEBUG);
  25
  26         $r_json = (!empty($_GET['response']) && $_GET['response'] == 'json');
  27         $album = (!empty($_GET['album']) ? Strings::escapeTags(trim($_GET['album'])) : '');
  28
  29         if ($a->argc > 1) {
  30                 if (empty($_FILES['media'])) {
  31                         $nick = $a->argv[1];
  32                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  33                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  34                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  35                                 AND `contact`.`self` = 1 LIMIT 1",
  36                                 DBA::escape($nick)
  37                         );
  38
  39                         if (!DBA::isResult($r)) {
  40                                 if ($r_json) {
  41                                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
  42                                         exit();
  43                                 }
  44                                 return;
  45                         }
  46                 } else {
  47                         $user_info = api_get_user($a);
  48                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  49                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  50                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  51                                 AND `contact`.`self` = 1 LIMIT 1",
  52                                 DBA::escape($user_info['screen_name'])
  53                         );
  54                 }
  55         } else {
  56                 if ($r_json) {
  57                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
  58                         exit();
  59                 }
  60                 return;
  61         }
  62
  63         /*
  64          * Setup permissions structures
  65          */
  66         $can_post  = false;
  67         $visitor   = 0;
  68
  69         $page_owner_uid   = $r[0]['uid'];
  70         $default_cid      = $r[0]['id'];
  71         $page_owner_nick  = $r[0]['nickname'];
  72         $community_page   = (($r[0]['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
  73
  74         if ((local_user()) && (local_user() == $page_owner_uid)) {
  75                 $can_post = true;
  76         } elseif ($community_page && !empty(Session::getRemoteContactID($page_owner_uid))) {
  77                 $contact_id = Session::getRemoteContactID($page_owner_uid);
  78
  79                 $r = q("SELECT `uid` FROM `contact`
  80                         WHERE `blocked` = 0 AND `pending` = 0
  81                         AND `id` = %d AND `uid` = %d LIMIT 1",
  82                         intval($contact_id),
  83                         intval($page_owner_uid)
  84                 );
  85                 if (DBA::isResult($r)) {
  86                         $can_post = true;
  87                         $visitor = $contact_id;
  88                 }
  89         }
  90
  91         if (!$can_post) {
  92                 if ($r_json) {
  93                         echo json_encode(['error' => DI::l10n()->t('Permission denied.')]);
  94                         exit();
  95                 }
  96                 notice(DI::l10n()->t('Permission denied.') . EOL);
  97                 exit();
  98         }
  99
 100         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
 101                 if ($r_json) {
 102                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
 103                 }
 104                 exit();
 105         }
 106
 107         $src = '';
 108         $filename = '';
 109         $filesize = 0;
 110         $filetype = '';
 111         if (!empty($_FILES['userfile'])) {
 112                 $src      = $_FILES['userfile']['tmp_name'];
 113                 $filename = basename($_FILES['userfile']['name']);
 114                 $filesize = intval($_FILES['userfile']['size']);
 115                 $filetype = $_FILES['userfile']['type'];
 116
 117         } elseif (!empty($_FILES['media'])) {
 118                 if (!empty($_FILES['media']['tmp_name'])) {
 119                         if (is_array($_FILES['media']['tmp_name'])) {
 120                                 $src = $_FILES['media']['tmp_name'][0];
 121                         } else {
 122                                 $src = $_FILES['media']['tmp_name'];
 123                         }
 124                 }
 125
 126                 if (!empty($_FILES['media']['name'])) {
 127                         if (is_array($_FILES['media']['name'])) {
 128                                 $filename = basename($_FILES['media']['name'][0]);
 129                         } else {
 130                                 $filename = basename($_FILES['media']['name']);
 131                         }
 132                 }
 133
 134                 if (!empty($_FILES['media']['size'])) {
 135                         if (is_array($_FILES['media']['size'])) {
 136                                 $filesize = intval($_FILES['media']['size'][0]);
 137                         } else {
 138                                 $filesize = intval($_FILES['media']['size']);
 139                         }
 140                 }
 141
 142                 if (!empty($_FILES['media']['type'])) {
 143                         if (is_array($_FILES['media']['type'])) {
 144                                 $filetype = $_FILES['media']['type'][0];
 145                         } else {
 146                                 $filetype = $_FILES['media']['type'];
 147                         }
 148                 }
 149         }
 150
 151         if ($src == "") {
 152                 if ($r_json) {
 153                         echo json_encode(['error' => DI::l10n()->t('Invalid request.')]);
 154                         exit();
 155                 }
 156                 notice(DI::l10n()->t('Invalid request.').EOL);
 157                 exit();
 158         }
 159
 160         // This is a special treatment for picture upload from Twidere
 161         if (($filename == "octet-stream") && ($filetype != "")) {
 162                 $filename = $filetype;
 163                 $filetype = "";
 164         }
 165
 166         if ($filetype == "") {
 167                 $filetype = Images::guessType($filename);
 168         }
 169
 170         // If there is a temp name, then do a manual check
 171         // This is more reliable than the provided value
 172
 173         $imagedata = getimagesize($src);
 174         if ($imagedata) {
 175                 $filetype = $imagedata['mime'];
 176         }
 177
 178         Logger::log("File upload src: " . $src . " - filename: " . $filename .
 179                 " - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
 180
 181         $maximagesize = DI::config()->get('system', 'maximagesize');
 182
 183         if (($maximagesize) && ($filesize > $maximagesize)) {
 184                 $msg = DI::l10n()->t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
 185                 if ($r_json) {
 186                         echo json_encode(['error' => $msg]);
 187                 } else {
 188                         echo  $msg. EOL;
 189                 }
 190                 @unlink($src);
 191                 exit();
 192         }
 193
 194         $imagedata = @file_get_contents($src);
 195         $Image = new Image($imagedata, $filetype);
 196
 197         if (!$Image->isValid()) {
 198                 $msg = DI::l10n()->t('Unable to process image.');
 199                 if ($r_json) {
 200                         echo json_encode(['error' => $msg]);
 201                 } else {
 202                         echo  $msg. EOL;
 203                 }
 204                 @unlink($src);
 205                 exit();
 206         }
 207
 208         $Image->orient($src);
 209         @unlink($src);
 210
 211         $max_length = DI::config()->get('system', 'max_image_length');
 212         if (!$max_length) {
 213                 $max_length = MAX_IMAGE_LENGTH;
 214         }
 215         if ($max_length > 0) {
 216                 $Image->scaleDown($max_length);
 217                 Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
 218         }
 219
 220         $width = $Image->getWidth();
 221         $height = $Image->getHeight();
 222
 223         $resource_id = Photo::newResource();
 224
 225         $smallest = 0;
 226
 227         // If we don't have an album name use the Wall Photos album
 228         if (!strlen($album)) {
 229                 $album = DI::l10n()->t('Wall Photos');
 230         }
 231
 232         $defperm = '<' . $default_cid . '>';
 233
 234         $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 0, 0, $defperm);
 235
 236         if (!$r) {
 237                 $msg = DI::l10n()->t('Image upload failed.');
 238                 if ($r_json) {
 239                         echo json_encode(['error' => $msg]);
 240                 } else {
 241                         echo  $msg. EOL;
 242                 }
 243                 exit();
 244         }
 245
 246         if ($width > 640 || $height > 640) {
 247                 $Image->scaleDown(640);
 248                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 1, 0, $defperm);
 249                 if ($r) {
 250                         $smallest = 1;
 251                 }
 252         }
 253
 254         if ($width > 320 || $height > 320) {
 255                 $Image->scaleDown(320);
 256                 $r = Photo::store($Image, $page_owner_uid, $visitor, $resource_id, $filename, $album, 2, 0, $defperm);
 257                 if ($r && ($smallest == 0)) {
 258                         $smallest = 2;
 259                 }
 260         }
 261
 262         if (!$desktopmode) {
 263                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 264                         WHERE `resource-id` = '%s'
 265                         ORDER BY `width` DESC LIMIT 1",
 266                         $resource_id
 267                 );
 268                 if (!$r) {
 269                         if ($r_json) {
 270                                 echo json_encode(['error' => '']);
 271                                 exit();
 272                         }
 273                         return false;
 274                 }
 275                 $picture = [];
 276
 277                 $picture["id"]        = $r[0]["id"];
 278                 $picture["size"]      = $r[0]["datasize"];
 279                 $picture["width"]     = $r[0]["width"];
 280                 $picture["height"]    = $r[0]["height"];
 281                 $picture["type"]      = $r[0]["type"];
 282                 $picture["albumpage"] = DI::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $resource_id;
 283                 $picture["picture"]   = DI::baseUrl() . "/photo/{$resource_id}-0." . $Image->getExt();
 284                 $picture["preview"]   = DI::baseUrl() . "/photo/{$resource_id}-{$smallest}." . $Image->getExt();
 285
 286                 if ($r_json) {
 287                         echo json_encode(['picture' => $picture]);
 288                         exit();
 289                 }
 290                 Logger::log("upload done", Logger::DEBUG);
 291                 return $picture;
 292         }
 293
 294         Logger::log("upload done", Logger::DEBUG);
 295
 296         if ($r_json) {
 297                 echo json_encode(['ok' => true]);
 298                 exit();
 299         }
 300
 301         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";
 302         exit();
 303         // NOTREACHED
 304 }