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\DBM;
  16 use Friendica\Model\Photo;
  17 use Friendica\Object\Image;
  18
  19 function wall_upload_post(App $a, $desktopmode = true)
  20 {
  21         logger("wall upload: starting new upload", LOGGER_DEBUG);
  22
  23         $r_json = (x($_GET, 'response') && $_GET['response'] == 'json');
  24         $album = (x($_GET, 'album') ? notags(trim($_GET['album'])) : '');
  25
  26         if ($a->argc > 1) {
  27                 if (!x($_FILES, 'media')) {
  28                         $nick = $a->argv[1];
  29                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  30                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  31                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  32                                 AND `contact`.`self` = 1 LIMIT 1",
  33                                 dbesc($nick)
  34                         );
  35
  36                         if (!DBM::is_result($r)) {
  37                                 if ($r_json) {
  38                                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  39                                         killme();
  40                                 }
  41                                 return;
  42                         }
  43                 } else {
  44                         $user_info = api_get_user($a);
  45                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  46                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  47                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  48                                 AND `contact`.`self` = 1 LIMIT 1",
  49                                 dbesc($user_info['screen_name'])
  50                         );
  51                 }
  52         } else {
  53                 if ($r_json) {
  54                         echo json_encode(['error' => L10n::t('Invalid request.')]);
  55                         killme();
  56                 }
  57                 return;
  58         }
  59
  60         /*
  61          * Setup permissions structures
  62          */
  63         $can_post  = false;
  64         $visitor   = 0;
  65
  66         $page_owner_uid   = $r[0]['uid'];
  67         $default_cid      = $r[0]['id'];
  68         $page_owner_nick  = $r[0]['nickname'];
  69         $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
  70
  71         if ((local_user()) && (local_user() == $page_owner_uid)) {
  72                 $can_post = true;
  73         } else {
  74                 if ($community_page && remote_user()) {
  75                         $contact_id = 0;
  76                         if (is_array($_SESSION['remote'])) {
  77                                 foreach ($_SESSION['remote'] as $v) {
  78                                         if ($v['uid'] == $page_owner_uid) {
  79                                                 $contact_id = $v['cid'];
  80                                                 break;
  81                                         }
  82                                 }
  83                         }
  84
  85                         if ($contact_id) {
  86                                 $r = q("SELECT `uid` FROM `contact`
  87                                         WHERE `blocked` = 0 AND `pending` = 0
  88                                         AND `id` = %d AND `uid` = %d LIMIT 1",
  89                                         intval($contact_id),
  90                                         intval($page_owner_uid)
  91                                 );
  92                                 if (DBM::is_result($r)) {
  93                                         $can_post = true;
  94                                         $visitor = $contact_id;
  95                                 }
  96                         }
  97                 }
  98         }
  99
 100
 101         if (!$can_post) {
 102                 if ($r_json) {
 103                         echo json_encode(['error' => L10n::t('Permission denied.')]);
 104                         killme();
 105                 }
 106                 notice(L10n::t('Permission denied.') . EOL);
 107                 killme();
 108         }
 109
 110         if (!x($_FILES, 'userfile') && !x($_FILES, 'media')) {
 111                 if ($r_json) {
 112                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 113                 }
 114                 killme();
 115         }
 116
 117         $src = '';
 118         $filename = '';
 119         $filesize = 0;
 120         $filetype = '';
 121         if (x($_FILES, 'userfile')) {
 122                 $src      = $_FILES['userfile']['tmp_name'];
 123                 $filename = basename($_FILES['userfile']['name']);
 124                 $filesize = intval($_FILES['userfile']['size']);
 125                 $filetype = $_FILES['userfile']['type'];
 126
 127         } elseif (x($_FILES, 'media')) {
 128                 if (is_array($_FILES['media']['tmp_name'])) {
 129                         $src = $_FILES['media']['tmp_name'][0];
 130                 } else {
 131                         $src = $_FILES['media']['tmp_name'];
 132                 }
 133
 134                 if (is_array($_FILES['media']['name'])) {
 135                         $filename = basename($_FILES['media']['name'][0]);
 136                 } else {
 137                         $filename = basename($_FILES['media']['name']);
 138                 }
 139
 140                 if (is_array($_FILES['media']['size'])) {
 141                         $filesize = intval($_FILES['media']['size'][0]);
 142                 } else {
 143                         $filesize = intval($_FILES['media']['size']);
 144                 }
 145
 146                 if (is_array($_FILES['media']['type'])) {
 147                         $filetype = $_FILES['media']['type'][0];
 148                 } else {
 149                         $filetype = $_FILES['media']['type'];
 150                 }
 151         }
 152
 153         if ($src == "") {
 154                 if ($r_json) {
 155                         echo json_encode(['error' => L10n::t('Invalid request.')]);
 156                         killme();
 157                 }
 158                 notice(L10n::t('Invalid request.').EOL);
 159                 killme();
 160         }
 161
 162         // This is a special treatment for picture upload from Twidere
 163         if (($filename == "octet-stream") && ($filetype != "")) {
 164                 $filename = $filetype;
 165                 $filetype = "";
 166         }
 167
 168         if ($filetype == "") {
 169                 $filetype = Image::guessType($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("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                 $msg = L10n::t('Image exceeds size limit of %s', formatBytes($maximagesize));
 187                 if ($r_json) {
 188                         echo json_encode(['error' => $msg]);
 189                 } else {
 190                         echo  $msg. EOL;
 191                 }
 192                 @unlink($src);
 193                 killme();
 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                 killme();
 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("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 220         }
 221
 222         $width = $Image->getWidth();
 223         $height = $Image->getHeight();
 224
 225         $hash = 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, $hash, $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  $msg. EOL;
 244                 }
 245                 killme();
 246         }
 247
 248         if ($width > 640 || $height > 640) {
 249                 $Image->scaleDown(640);
 250                 $r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $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, $hash, $filename, $album, 2, 0, $defperm);
 259                 if ($r && ($smallest == 0)) {
 260                         $smallest = 2;
 261                 }
 262         }
 263
 264         $basename = basename($filename);
 265
 266         if (!$desktopmode) {
 267                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 268                         WHERE `resource-id` = '%s'
 269                         ORDER BY `width` DESC LIMIT 1",
 270                         $hash
 271                 );
 272                 if (!$r) {
 273                         if ($r_json) {
 274                                 echo json_encode(['error' => '']);
 275                                 killme();
 276                         }
 277                         return false;
 278                 }
 279                 $picture = [];
 280
 281                 $picture["id"]        = $r[0]["id"];
 282                 $picture["size"]      = $r[0]["datasize"];
 283                 $picture["width"]     = $r[0]["width"];
 284                 $picture["height"]    = $r[0]["height"];
 285                 $picture["type"]      = $r[0]["type"];
 286                 $picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 287                 $picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
 288                 $picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $Image->getExt();
 289
 290                 if ($r_json) {
 291                         echo json_encode(['picture' => $picture]);
 292                         killme();
 293                 }
 294                 logger("upload done", LOGGER_DEBUG);
 295                 return $picture;
 296         }
 297
 298         logger("upload done", LOGGER_DEBUG);
 299
 300         if ($r_json) {
 301                 echo json_encode(['ok' => true]);
 302                 killme();
 303         }
 304
 305         echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 306         killme();
 307         // NOTREACHED
 308 }