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\Logger;
  14 use Friendica\Core\System;
  15 use Friendica\Core\Config;
  16 use Friendica\Database\DBA;
  17 use Friendica\Model\Contact;
  18 use Friendica\Model\Photo;
  19 use Friendica\Model\User;
  20 use Friendica\Object\Image;
  21 use Friendica\Util\Strings;
  22
  23 function wall_upload_post(App $a, $desktopmode = true)
  24 {
  25         Logger::log("wall upload: starting new upload", Logger::DEBUG);
  26
  27         $r_json = (!empty($_GET['response']) && $_GET['response'] == 'json');
  28         $album = (!empty($_GET['album']) ? Strings::escapeTags(trim($_GET['album'])) : '');
  29
  30         if ($a->argc > 1) {
  31                 if (empty($_FILES['media'])) {
  32                         $nick = $a->argv[1];
  33                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  34                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  35                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  36                                 AND `contact`.`self` = 1 LIMIT 1",
  37                                 DBA::escape($nick)
  38                         );
  39
  40                         if (!DBA::isResult($r)) {
  41                                 if ($r_json) {
  42                                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  43                                         exit();
  44                                 }
  45                                 return;
  46                         }
  47                 } else {
  48                         $user_info = api_get_user($a);
  49                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  50                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  51                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  52                                 AND `contact`.`self` = 1 LIMIT 1",
  53                                 DBA::escape($user_info['screen_name'])
  54                         );
  55                 }
  56         } else {
  57                 if ($r_json) {
  58                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  59                         exit();
  60                 }
  61                 return;
  62         }
  63
  64         /*
  65          * Setup permissions structures
  66          */
  67         $can_post  = false;
  68         $visitor   = 0;
  69
  70         $page_owner_uid   = $r[0]['uid'];
  71         $default_cid      = $r[0]['id'];
  72         $page_owner_nick  = $r[0]['nickname'];
  73         $community_page   = (($r[0]['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
  74
  75         if ((local_user()) && (local_user() == $page_owner_uid)) {
  76                 $can_post = true;
  77         } else {
  78                 if ($community_page && remote_user()) {
  79                         $contact_id = 0;
  80                         if (is_array($_SESSION['remote'])) {
  81                                 foreach ($_SESSION['remote'] as $v) {
  82                                         if ($v['uid'] == $page_owner_uid) {
  83                                                 $contact_id = $v['cid'];
  84                                                 break;
  85                                         }
  86                                 }
  87                         }
  88
  89                         if ($contact_id) {
  90                                 $r = q("SELECT `uid` FROM `contact`
  91                                         WHERE `blocked` = 0 AND `pending` = 0
  92                                         AND `id` = %d AND `uid` = %d LIMIT 1",
  93                                         intval($contact_id),
  94                                         intval($page_owner_uid)
  95                                 );
  96                                 if (DBA::isResult($r)) {
  97                                         $can_post = true;
  98                                         $visitor = $contact_id;
  99                                 }
 100                         }
 101                 }
 102         }
 103
 104
 105         if (!$can_post) {
 106                 if ($r_json) {
 107                         echo json_encode(['error' => L10n::t('Permission denied.')]);
 108                         exit();
 109                 }
 110                 notice(L10n::t('Permission denied.') . EOL);
 111                 exit();
 112         }
 113
 114         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
 115                 if ($r_json) {
 116                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 117                 }
 118                 exit();
 119         }
 120
 121         $src = '';
 122         $filename = '';
 123         $filesize = 0;
 124         $filetype = '';
 125         if (!empty($_FILES['userfile'])) {
 126                 $src      = $_FILES['userfile']['tmp_name'];
 127                 $filename = basename($_FILES['userfile']['name']);
 128                 $filesize = intval($_FILES['userfile']['size']);
 129                 $filetype = $_FILES['userfile']['type'];
 130
 131         } elseif (!empty($_FILES['media'])) {
 132                 if (!empty($_FILES['media']['tmp_name'])) {
 133                         if (is_array($_FILES['media']['tmp_name'])) {
 134                                 $src = $_FILES['media']['tmp_name'][0];
 135                         } else {
 136                                 $src = $_FILES['media']['tmp_name'];
 137                         }
 138                 }
 139
 140                 if (!empty($_FILES['media']['name'])) {
 141                         if (is_array($_FILES['media']['name'])) {
 142                                 $filename = basename($_FILES['media']['name'][0]);
 143                         } else {
 144                                 $filename = basename($_FILES['media']['name']);
 145                         }
 146                 }
 147
 148                 if (!empty($_FILES['media']['size'])) {
 149                         if (is_array($_FILES['media']['size'])) {
 150                                 $filesize = intval($_FILES['media']['size'][0]);
 151                         } else {
 152                                 $filesize = intval($_FILES['media']['size']);
 153                         }
 154                 }
 155
 156                 if (!empty($_FILES['media']['type'])) {
 157                         if (is_array($_FILES['media']['type'])) {
 158                                 $filetype = $_FILES['media']['type'][0];
 159                         } else {
 160                                 $filetype = $_FILES['media']['type'];
 161                         }
 162                 }
 163         }
 164
 165         if ($src == "") {
 166                 if ($r_json) {
 167                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 168                         exit();
 169                 }
 170                 notice(L10n::t('Invalid request.').EOL);
 171                 exit();
 172         }
 173
 174         // This is a special treatment for picture upload from Twidere
 175         if (($filename == "octet-stream") && ($filetype != "")) {
 176                 $filename = $filetype;
 177                 $filetype = "";
 178         }
 179
 180         if ($filetype == "") {
 181                 $filetype = Image::guessType($filename);
 182         }
 183
 184         // If there is a temp name, then do a manual check
 185         // This is more reliable than the provided value
 186
 187         $imagedata = getimagesize($src);
 188         if ($imagedata) {
 189                 $filetype = $imagedata['mime'];
 190         }
 191
 192         Logger::log("File upload src: " . $src . " - filename: " . $filename .
 193                 " - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
 194
 195         $maximagesize = Config::get('system', 'maximagesize');
 196
 197         if (($maximagesize) && ($filesize > $maximagesize)) {
 198                 $msg = L10n::t('Image exceeds size limit of %s', Strings::formatBytes($maximagesize));
 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         $imagedata = @file_get_contents($src);
 209         $Image = new Image($imagedata, $filetype);
 210
 211         if (!$Image->isValid()) {
 212                 $msg = L10n::t('Unable to process image.');
 213                 if ($r_json) {
 214                         echo json_encode(['error' => $msg]);
 215                 } else {
 216                         echo  $msg. EOL;
 217                 }
 218                 @unlink($src);
 219                 exit();
 220         }
 221
 222         $Image->orient($src);
 223         @unlink($src);
 224
 225         $max_length = Config::get('system', 'max_image_length');
 226         if (!$max_length) {
 227                 $max_length = MAX_IMAGE_LENGTH;
 228         }
 229         if ($max_length > 0) {
 230                 $Image->scaleDown($max_length);
 231                 Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
 232         }
 233
 234         $width = $Image->getWidth();
 235         $height = $Image->getHeight();
 236
 237         $hash = Photo::newResource();
 238
 239         $smallest = 0;
 240
 241         // If we don't have an album name use the Wall Photos album
 242         if (!strlen($album)) {
 243                 $album = L10n::t('Wall Photos');
 244         }
 245
 246         $defperm = '<' . $default_cid . '>';
 247
 248         $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 249
 250         if (!$r) {
 251                 $msg = L10n::t('Image upload failed.');
 252                 if ($r_json) {
 253                         echo json_encode(['error' => $msg]);
 254                 } else {
 255                         echo  $msg. EOL;
 256                 }
 257                 exit();
 258         }
 259
 260         if ($width > 640 || $height > 640) {
 261                 $Image->scaleDown(640);
 262                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 263                 if ($r) {
 264                         $smallest = 1;
 265                 }
 266         }
 267
 268         if ($width > 320 || $height > 320) {
 269                 $Image->scaleDown(320);
 270                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 271                 if ($r && ($smallest == 0)) {
 272                         $smallest = 2;
 273                 }
 274         }
 275
 276         if (!$desktopmode) {
 277                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 278                         WHERE `resource-id` = '%s'
 279                         ORDER BY `width` DESC LIMIT 1",
 280                         $hash
 281                 );
 282                 if (!$r) {
 283                         if ($r_json) {
 284                                 echo json_encode(['error' => '']);
 285                                 exit();
 286                         }
 287                         return false;
 288                 }
 289                 $picture = [];
 290
 291                 $picture["id"]        = $r[0]["id"];
 292                 $picture["size"]      = $r[0]["datasize"];
 293                 $picture["width"]     = $r[0]["width"];
 294                 $picture["height"]    = $r[0]["height"];
 295                 $picture["type"]      = $r[0]["type"];
 296                 $picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 297                 $picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
 298                 $picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $Image->getExt();
 299
 300                 if ($r_json) {
 301                         echo json_encode(['picture' => $picture]);
 302                         exit();
 303                 }
 304                 Logger::log("upload done", Logger::DEBUG);
 305                 return $picture;
 306         }
 307
 308         Logger::log("upload done", Logger::DEBUG);
 309
 310         if ($r_json) {
 311                 echo json_encode(['ok' => true]);
 312                 exit();
 313         }
 314
 315         echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 316         exit();
 317         // NOTREACHED
 318 }