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