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                 $can_post = true;
  77         } elseif ($community_page && !empty(remote_user($page_owner_uid))) {
  78                 $contact_id = remote_user($page_owner_uid);
  79
  80                 $r = q("SELECT `uid` FROM `contact`
  81                         WHERE `blocked` = 0 AND `pending` = 0
  82                         AND `id` = %d AND `uid` = %d LIMIT 1",
  83                         intval($contact_id),
  84                         intval($page_owner_uid)
  85                 );
  86                 if (DBA::isResult($r)) {
  87                         $can_post = true;
  88                         $visitor = $contact_id;
  89                 }
  90         }
  91
  92         if (!$can_post) {
  93                 if ($r_json) {
  94                         echo json_encode(['error' => L10n::t('Permission denied.')]);
  95                         exit();
  96                 }
  97                 notice(L10n::t('Permission denied.') . EOL);
  98                 exit();
  99         }
 100
 101         if (empty($_FILES['userfile']) && empty($_FILES['media'])) {
 102                 if ($r_json) {
 103                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 104                 }
 105                 exit();
 106         }
 107
 108         $src = '';
 109         $filename = '';
 110         $filesize = 0;
 111         $filetype = '';
 112         if (!empty($_FILES['userfile'])) {
 113                 $src      = $_FILES['userfile']['tmp_name'];
 114                 $filename = basename($_FILES['userfile']['name']);
 115                 $filesize = intval($_FILES['userfile']['size']);
 116                 $filetype = $_FILES['userfile']['type'];
 117
 118         } elseif (!empty($_FILES['media'])) {
 119                 if (!empty($_FILES['media']['tmp_name'])) {
 120                         if (is_array($_FILES['media']['tmp_name'])) {
 121                                 $src = $_FILES['media']['tmp_name'][0];
 122                         } else {
 123                                 $src = $_FILES['media']['tmp_name'];
 124                         }
 125                 }
 126
 127                 if (!empty($_FILES['media']['name'])) {
 128                         if (is_array($_FILES['media']['name'])) {
 129                                 $filename = basename($_FILES['media']['name'][0]);
 130                         } else {
 131                                 $filename = basename($_FILES['media']['name']);
 132                         }
 133                 }
 134
 135                 if (!empty($_FILES['media']['size'])) {
 136                         if (is_array($_FILES['media']['size'])) {
 137                                 $filesize = intval($_FILES['media']['size'][0]);
 138                         } else {
 139                                 $filesize = intval($_FILES['media']['size']);
 140                         }
 141                 }
 142
 143                 if (!empty($_FILES['media']['type'])) {
 144                         if (is_array($_FILES['media']['type'])) {
 145                                 $filetype = $_FILES['media']['type'][0];
 146                         } else {
 147                                 $filetype = $_FILES['media']['type'];
 148                         }
 149                 }
 150         }
 151
 152         if ($src == "") {
 153                 if ($r_json) {
 154                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 155                         exit();
 156                 }
 157                 notice(L10n::t('Invalid request.').EOL);
 158                 exit();
 159         }
 160
 161         // This is a special treatment for picture upload from Twidere
 162         if (($filename == "octet-stream") && ($filetype != "")) {
 163                 $filename = $filetype;
 164                 $filetype = "";
 165         }
 166
 167         if ($filetype == "") {
 168                 $filetype = Image::guessType($filename);
 169         }
 170
 171         // If there is a temp name, then do a manual check
 172         // This is more reliable than the provided value
 173
 174         $imagedata = getimagesize($src);
 175         if ($imagedata) {
 176                 $filetype = $imagedata['mime'];
 177         }
 178
 179         Logger::log("File upload src: " . $src . " - filename: " . $filename .
 180                 " - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
 181
 182         $maximagesize = Config::get('system', 'maximagesize');
 183
 184         if (($maximagesize) && ($filesize > $maximagesize)) {
 185                 $msg = L10n::t('Image exceeds size limit of %s', Strings::formatBytes($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                 $msg = L10n::t('Unable to process image.');
 200                 if ($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         $max_length = Config::get('system', 'max_image_length');
 213         if (!$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         $hash = 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 = L10n::t('Wall Photos');
 231         }
 232
 233         $defperm = '<' . $default_cid . '>';
 234
 235         $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 236
 237         if (!$r) {
 238                 $msg = L10n::t('Image upload failed.');
 239                 if ($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, $hash, $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, $hash, $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                         $hash
 268                 );
 269                 if (!$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"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 284                 $picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
 285                 $picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$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=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 303         exit();
 304         // NOTREACHED
 305 }