mod/wall_upload.php

   1 <?php
   2 /**
   3  * @file mod/wall_upload.php
   4  * @brief 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\L10n;
  13 use Friendica\Core\System;
  14 use Friendica\Core\Config;
  15 use Friendica\Database\DBA;
  16 use Friendica\Model\Contact;
  17 use Friendica\Model\Photo;
  18 use Friendica\Object\Image;
  19
  20 function wall_upload_post(App $a, $desktopmode = true)
  21 {
  22         logger("wall upload: starting new upload", LOGGER_DEBUG);
  23
  24         $r_json = (x($_GET, 'response') && $_GET['response'] == 'json');
  25         $album = (x($_GET, 'album') ? notags(trim($_GET['album'])) : '');
  26
  27         if ($a->argc > 1) {
  28                 if (!x($_FILES, 'media')) {
  29                         $nick = $a->argv[1];
  30                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  31                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  32                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  33                                 AND `contact`.`self` = 1 LIMIT 1",
  34                                 DBA::escape($nick)
  35                         );
  36
  37                         if (!DBA::isResult($r)) {
  38                                 if ($r_json) {
  39                                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  40                                         killme();
  41                                 }
  42                                 return;
  43                         }
  44                 } else {
  45                         $user_info = api_get_user($a);
  46                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  47                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  48                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  49                                 AND `contact`.`self` = 1 LIMIT 1",
  50                                 DBA::escape($user_info['screen_name'])
  51                         );
  52                 }
  53         } else {
  54                 if ($r_json) {
  55                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  56                         killme();
  57                 }
  58                 return;
  59         }
  60
  61         /*
  62          * Setup permissions structures
  63          */
  64         $can_post  = false;
  65         $visitor   = 0;
  66
  67         $page_owner_uid   = $r[0]['uid'];
  68         $default_cid      = $r[0]['id'];
  69         $page_owner_nick  = $r[0]['nickname'];
  70         $community_page   = (($r[0]['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false);
  71
  72         if ((local_user()) && (local_user() == $page_owner_uid)) {
  73                 $can_post = true;
  74         } else {
  75                 if ($community_page && remote_user()) {
  76                         $contact_id = 0;
  77                         if (is_array($_SESSION['remote'])) {
  78                                 foreach ($_SESSION['remote'] as $v) {
  79                                         if ($v['uid'] == $page_owner_uid) {
  80                                                 $contact_id = $v['cid'];
  81                                                 break;
  82                                         }
  83                                 }
  84                         }
  85
  86                         if ($contact_id) {
  87                                 $r = q("SELECT `uid` FROM `contact`
  88                                         WHERE `blocked` = 0 AND `pending` = 0
  89                                         AND `id` = %d AND `uid` = %d LIMIT 1",
  90                                         intval($contact_id),
  91                                         intval($page_owner_uid)
  92                                 );
  93                                 if (DBA::isResult($r)) {
  94                                         $can_post = true;
  95                                         $visitor = $contact_id;
  96                                 }
  97                         }
  98                 }
  99         }
 100
 101
 102         if (!$can_post) {
 103                 if ($r_json) {
 104                         echo json_encode(['error' => L10n::t('Permission denied.')]);
 105                         killme();
 106                 }
 107                 notice(L10n::t('Permission denied.') . EOL);
 108                 killme();
 109         }
 110
 111         if (!x($_FILES, 'userfile') && !x($_FILES, 'media')) {
 112                 if ($r_json) {
 113                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 114                 }
 115                 killme();
 116         }
 117
 118         $src = '';
 119         $filename = '';
 120         $filesize = 0;
 121         $filetype = '';
 122         if (x($_FILES, 'userfile')) {
 123                 $src      = $_FILES['userfile']['tmp_name'];
 124                 $filename = basename($_FILES['userfile']['name']);
 125                 $filesize = intval($_FILES['userfile']['size']);
 126                 $filetype = $_FILES['userfile']['type'];
 127
 128         } elseif (x($_FILES, 'media')) {
 129                 if (!empty($_FILES['media']['tmp_name'])) {
 130                         if (is_array($_FILES['media']['tmp_name'])) {
 131                                 $src = $_FILES['media']['tmp_name'][0];
 132                         } else {
 133                                 $src = $_FILES['media']['tmp_name'];
 134                         }
 135                 }
 136
 137                 if (!empty($_FILES['media']['name'])) {
 138                         if (is_array($_FILES['media']['name'])) {
 139                                 $filename = basename($_FILES['media']['name'][0]);
 140                         } else {
 141                                 $filename = basename($_FILES['media']['name']);
 142                         }
 143                 }
 144
 145                 if (!empty($_FILES['media']['size'])) {
 146                         if (is_array($_FILES['media']['size'])) {
 147                                 $filesize = intval($_FILES['media']['size'][0]);
 148                         } else {
 149                                 $filesize = intval($_FILES['media']['size']);
 150                         }
 151                 }
 152
 153                 if (!empty($_FILES['media']['type'])) {
 154                         if (is_array($_FILES['media']['type'])) {
 155                                 $filetype = $_FILES['media']['type'][0];
 156                         } else {
 157                                 $filetype = $_FILES['media']['type'];
 158                         }
 159                 }
 160         }
 161
 162         if ($src == "") {
 163                 if ($r_json) {
 164                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 165                         killme();
 166                 }
 167                 notice(L10n::t('Invalid request.').EOL);
 168                 killme();
 169         }
 170
 171         // This is a special treatment for picture upload from Twidere
 172         if (($filename == "octet-stream") && ($filetype != "")) {
 173                 $filename = $filetype;
 174                 $filetype = "";
 175         }
 176
 177         if ($filetype == "") {
 178                 $filetype = Image::guessType($filename);
 179         }
 180
 181         // If there is a temp name, then do a manual check
 182         // This is more reliable than the provided value
 183
 184         $imagedata = getimagesize($src);
 185         if ($imagedata) {
 186                 $filetype = $imagedata['mime'];
 187         }
 188
 189         logger("File upload src: " . $src . " - filename: " . $filename .
 190                 " - size: " . $filesize . " - type: " . $filetype, LOGGER_DEBUG);
 191
 192         $maximagesize = Config::get('system', 'maximagesize');
 193
 194         if (($maximagesize) && ($filesize > $maximagesize)) {
 195                 $msg = L10n::t('Image exceeds size limit of %s', formatBytes($maximagesize));
 196                 if ($r_json) {
 197                         echo json_encode(['error' => $msg]);
 198                 } else {
 199                         echo  $msg. EOL;
 200                 }
 201                 @unlink($src);
 202                 killme();
 203         }
 204
 205         $imagedata = @file_get_contents($src);
 206         $Image = new Image($imagedata, $filetype);
 207
 208         if (!$Image->isValid()) {
 209                 $msg = L10n::t('Unable to process image.');
 210                 if ($r_json) {
 211                         echo json_encode(['error' => $msg]);
 212                 } else {
 213                         echo  $msg. EOL;
 214                 }
 215                 @unlink($src);
 216                 killme();
 217         }
 218
 219         $Image->orient($src);
 220         @unlink($src);
 221
 222         $max_length = Config::get('system', 'max_image_length');
 223         if (!$max_length) {
 224                 $max_length = MAX_IMAGE_LENGTH;
 225         }
 226         if ($max_length > 0) {
 227                 $Image->scaleDown($max_length);
 228                 logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 229         }
 230
 231         $width = $Image->getWidth();
 232         $height = $Image->getHeight();
 233
 234         $hash = Photo::newResource();
 235
 236         $smallest = 0;
 237
 238         // If we don't have an album name use the Wall Photos album
 239         if (!strlen($album)) {
 240                 $album = L10n::t('Wall Photos');
 241         }
 242
 243         $defperm = '<' . $default_cid . '>';
 244
 245         $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 246
 247         if (!$r) {
 248                 $msg = L10n::t('Image upload failed.');
 249                 if ($r_json) {
 250                         echo json_encode(['error' => $msg]);
 251                 } else {
 252                         echo  $msg. EOL;
 253                 }
 254                 killme();
 255         }
 256
 257         if ($width > 640 || $height > 640) {
 258                 $Image->scaleDown(640);
 259                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 260                 if ($r) {
 261                         $smallest = 1;
 262                 }
 263         }
 264
 265         if ($width > 320 || $height > 320) {
 266                 $Image->scaleDown(320);
 267                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 268                 if ($r && ($smallest == 0)) {
 269                         $smallest = 2;
 270                 }
 271         }
 272
 273         $basename = basename($filename);
 274
 275         if (!$desktopmode) {
 276                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 277                         WHERE `resource-id` = '%s'
 278                         ORDER BY `width` DESC LIMIT 1",
 279                         $hash
 280                 );
 281                 if (!$r) {
 282                         if ($r_json) {
 283                                 echo json_encode(['error' => '']);
 284                                 killme();
 285                         }
 286                         return false;
 287                 }
 288                 $picture = [];
 289
 290                 $picture["id"]        = $r[0]["id"];
 291                 $picture["size"]      = $r[0]["datasize"];
 292                 $picture["width"]     = $r[0]["width"];
 293                 $picture["height"]    = $r[0]["height"];
 294                 $picture["type"]      = $r[0]["type"];
 295                 $picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 296                 $picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
 297                 $picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $Image->getExt();
 298
 299                 if ($r_json) {
 300                         echo json_encode(['picture' => $picture]);
 301                         killme();
 302                 }
 303                 logger("upload done", LOGGER_DEBUG);
 304                 return $picture;
 305         }
 306
 307         logger("upload done", LOGGER_DEBUG);
 308
 309         if ($r_json) {
 310                 echo json_encode(['ok' => true]);
 311                 killme();
 312         }
 313
 314         echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 315         killme();
 316         // NOTREACHED
 317 }