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\Object\Image;
  20
  21 function wall_upload_post(App $a, $desktopmode = true)
  22 {
  23         Logger::log("wall upload: starting new upload", Logger::DEBUG);
  24
  25         $r_json = (x($_GET, 'response') && $_GET['response'] == 'json');
  26         $album = (x($_GET, 'album') ? notags(trim($_GET['album'])) : '');
  27
  28         if ($a->argc > 1) {
  29                 if (!x($_FILES, 'media')) {
  30                         $nick = $a->argv[1];
  31                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  32                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  33                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  34                                 AND `contact`.`self` = 1 LIMIT 1",
  35                                 DBA::escape($nick)
  36                         );
  37
  38                         if (!DBA::isResult($r)) {
  39                                 if ($r_json) {
  40                                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  41                                         killme();
  42                                 }
  43                                 return;
  44                         }
  45                 } else {
  46                         $user_info = api_get_user($a);
  47                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  48                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  49                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  50                                 AND `contact`.`self` = 1 LIMIT 1",
  51                                 DBA::escape($user_info['screen_name'])
  52                         );
  53                 }
  54         } else {
  55                 if ($r_json) {
  56                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  57                         killme();
  58                 }
  59                 return;
  60         }
  61
  62         /*
  63          * Setup permissions structures
  64          */
  65         $can_post  = false;
  66         $visitor   = 0;
  67
  68         $page_owner_uid   = $r[0]['uid'];
  69         $default_cid      = $r[0]['id'];
  70         $page_owner_nick  = $r[0]['nickname'];
  71         $community_page   = (($r[0]['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false);
  72
  73         if ((local_user()) && (local_user() == $page_owner_uid)) {
  74                 $can_post = true;
  75         } else {
  76                 if ($community_page && remote_user()) {
  77                         $contact_id = 0;
  78                         if (is_array($_SESSION['remote'])) {
  79                                 foreach ($_SESSION['remote'] as $v) {
  80                                         if ($v['uid'] == $page_owner_uid) {
  81                                                 $contact_id = $v['cid'];
  82                                                 break;
  83                                         }
  84                                 }
  85                         }
  86
  87                         if ($contact_id) {
  88                                 $r = q("SELECT `uid` FROM `contact`
  89                                         WHERE `blocked` = 0 AND `pending` = 0
  90                                         AND `id` = %d AND `uid` = %d LIMIT 1",
  91                                         intval($contact_id),
  92                                         intval($page_owner_uid)
  93                                 );
  94                                 if (DBA::isResult($r)) {
  95                                         $can_post = true;
  96                                         $visitor = $contact_id;
  97                                 }
  98                         }
  99                 }
 100         }
 101
 102
 103         if (!$can_post) {
 104                 if ($r_json) {
 105                         echo json_encode(['error' => L10n::t('Permission denied.')]);
 106                         killme();
 107                 }
 108                 notice(L10n::t('Permission denied.') . EOL);
 109                 killme();
 110         }
 111
 112         if (!x($_FILES, 'userfile') && !x($_FILES, 'media')) {
 113                 if ($r_json) {
 114                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 115                 }
 116                 killme();
 117         }
 118
 119         $src = '';
 120         $filename = '';
 121         $filesize = 0;
 122         $filetype = '';
 123         if (x($_FILES, 'userfile')) {
 124                 $src      = $_FILES['userfile']['tmp_name'];
 125                 $filename = basename($_FILES['userfile']['name']);
 126                 $filesize = intval($_FILES['userfile']['size']);
 127                 $filetype = $_FILES['userfile']['type'];
 128
 129         } elseif (x($_FILES, 'media')) {
 130                 if (!empty($_FILES['media']['tmp_name'])) {
 131                         if (is_array($_FILES['media']['tmp_name'])) {
 132                                 $src = $_FILES['media']['tmp_name'][0];
 133                         } else {
 134                                 $src = $_FILES['media']['tmp_name'];
 135                         }
 136                 }
 137
 138                 if (!empty($_FILES['media']['name'])) {
 139                         if (is_array($_FILES['media']['name'])) {
 140                                 $filename = basename($_FILES['media']['name'][0]);
 141                         } else {
 142                                 $filename = basename($_FILES['media']['name']);
 143                         }
 144                 }
 145
 146                 if (!empty($_FILES['media']['size'])) {
 147                         if (is_array($_FILES['media']['size'])) {
 148                                 $filesize = intval($_FILES['media']['size'][0]);
 149                         } else {
 150                                 $filesize = intval($_FILES['media']['size']);
 151                         }
 152                 }
 153
 154                 if (!empty($_FILES['media']['type'])) {
 155                         if (is_array($_FILES['media']['type'])) {
 156                                 $filetype = $_FILES['media']['type'][0];
 157                         } else {
 158                                 $filetype = $_FILES['media']['type'];
 159                         }
 160                 }
 161         }
 162
 163         if ($src == "") {
 164                 if ($r_json) {
 165                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 166                         killme();
 167                 }
 168                 notice(L10n::t('Invalid request.').EOL);
 169                 killme();
 170         }
 171
 172         // This is a special treatment for picture upload from Twidere
 173         if (($filename == "octet-stream") && ($filetype != "")) {
 174                 $filename = $filetype;
 175                 $filetype = "";
 176         }
 177
 178         if ($filetype == "") {
 179                 $filetype = Image::guessType($filename);
 180         }
 181
 182         // If there is a temp name, then do a manual check
 183         // This is more reliable than the provided value
 184
 185         $imagedata = getimagesize($src);
 186         if ($imagedata) {
 187                 $filetype = $imagedata['mime'];
 188         }
 189
 190         Logger::log("File upload src: " . $src . " - filename: " . $filename .
 191                 " - size: " . $filesize . " - type: " . $filetype, Logger::DEBUG);
 192
 193         $maximagesize = Config::get('system', 'maximagesize');
 194
 195         if (($maximagesize) && ($filesize > $maximagesize)) {
 196                 $msg = L10n::t('Image exceeds size limit of %s', formatBytes($maximagesize));
 197                 if ($r_json) {
 198                         echo json_encode(['error' => $msg]);
 199                 } else {
 200                         echo  $msg. EOL;
 201                 }
 202                 @unlink($src);
 203                 killme();
 204         }
 205
 206         $imagedata = @file_get_contents($src);
 207         $Image = new Image($imagedata, $filetype);
 208
 209         if (!$Image->isValid()) {
 210                 $msg = L10n::t('Unable to process image.');
 211                 if ($r_json) {
 212                         echo json_encode(['error' => $msg]);
 213                 } else {
 214                         echo  $msg. EOL;
 215                 }
 216                 @unlink($src);
 217                 killme();
 218         }
 219
 220         $Image->orient($src);
 221         @unlink($src);
 222
 223         $max_length = Config::get('system', 'max_image_length');
 224         if (!$max_length) {
 225                 $max_length = MAX_IMAGE_LENGTH;
 226         }
 227         if ($max_length > 0) {
 228                 $Image->scaleDown($max_length);
 229                 Logger::log("File upload: Scaling picture to new size " . $max_length, Logger::DEBUG);
 230         }
 231
 232         $width = $Image->getWidth();
 233         $height = $Image->getHeight();
 234
 235         $hash = Photo::newResource();
 236
 237         $smallest = 0;
 238
 239         // If we don't have an album name use the Wall Photos album
 240         if (!strlen($album)) {
 241                 $album = L10n::t('Wall Photos');
 242         }
 243
 244         $defperm = '<' . $default_cid . '>';
 245
 246         $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 247
 248         if (!$r) {
 249                 $msg = L10n::t('Image upload failed.');
 250                 if ($r_json) {
 251                         echo json_encode(['error' => $msg]);
 252                 } else {
 253                         echo  $msg. EOL;
 254                 }
 255                 killme();
 256         }
 257
 258         if ($width > 640 || $height > 640) {
 259                 $Image->scaleDown(640);
 260                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 261                 if ($r) {
 262                         $smallest = 1;
 263                 }
 264         }
 265
 266         if ($width > 320 || $height > 320) {
 267                 $Image->scaleDown(320);
 268                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 269                 if ($r && ($smallest == 0)) {
 270                         $smallest = 2;
 271                 }
 272         }
 273
 274         $basename = basename($filename);
 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                                 killme();
 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                         killme();
 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                 killme();
 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         killme();
 317         // NOTREACHED
 318 }