mod/wall_upload.php

   1 <?php
   2
   3 /**
   4  * @file mod/wall_upload.php
   5  * @brief Module for uploading a picture to the profile wall
   6  *
   7  * By default the picture will be stored in the photo album with the name Wall Photos.
   8  * You can specify a different album by adding an optional query string "album="
   9  * to the url
  10  */
  11
  12 use Friendica\App;
  13 use Friendica\Core\System;
  14 use Friendica\Core\Config;
  15
  16 require_once 'include/Photo.php';
  17
  18 function wall_upload_post(App $a, $desktopmode = true) {
  19
  20         logger("wall upload: starting new upload", LOGGER_DEBUG);
  21
  22         $r_json = (x($_GET, 'response') && $_GET['response'] == 'json');
  23         $album = (x($_GET, 'album') ? notags(trim($_GET['album'])) : '');
  24
  25         if ($a->argc > 1) {
  26                 if (! x($_FILES, 'media')) {
  27                         $nick = $a->argv[1];
  28                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  29                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  30                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  31                                 AND `contact`.`self` = 1 LIMIT 1",
  32                                 dbesc($nick)
  33                         );
  34
  35                         if (! dbm::is_result($r)) {
  36                                 if ($r_json) {
  37                                         echo json_encode(array('error'=>t('Invalid request.')));
  38                                         killme();
  39                                 }
  40                                 return;
  41                         }
  42                 } else {
  43                         $user_info = api_get_user($a);
  44                         $r = q("SELECT `user`.*, `contact`.`id` FROM `user`
  45                                 INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
  46                                 WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0
  47                                 AND `contact`.`self` = 1 LIMIT 1",
  48                                 dbesc($user_info['screen_name'])
  49                         );
  50                 }
  51         } else {
  52                 if ($r_json) {
  53                         echo json_encode(array('error'=>t('Invalid request.')));
  54                         killme();
  55                 }
  56                 return;
  57         }
  58
  59         /*
  60          * Setup permissions structures
  61          */
  62         $can_post  = false;
  63         $visitor   = 0;
  64
  65         $page_owner_uid   = $r[0]['uid'];
  66         $default_cid      = $r[0]['id'];
  67         $page_owner_nick  = $r[0]['nickname'];
  68         $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
  69
  70         if ((local_user()) && (local_user() == $page_owner_uid)) {
  71                 $can_post = true;
  72         } else {
  73                 if ($community_page && remote_user()) {
  74                         $contact_id = 0;
  75                         if (is_array($_SESSION['remote'])) {
  76                                 foreach ($_SESSION['remote'] as $v) {
  77                                         if ($v['uid'] == $page_owner_uid) {
  78                                                 $contact_id = $v['cid'];
  79                                                 break;
  80                                         }
  81                                 }
  82                         }
  83
  84                         if ($contact_id) {
  85                                 $r = q("SELECT `uid` FROM `contact`
  86                                         WHERE `blocked` = 0 AND `pending` = 0
  87                                         AND `id` = %d AND `uid` = %d LIMIT 1",
  88                                         intval($contact_id),
  89                                         intval($page_owner_uid)
  90                                 );
  91                                 if (dbm::is_result($r)) {
  92                                         $can_post = true;
  93                                         $visitor = $contact_id;
  94                                 }
  95                         }
  96                 }
  97         }
  98
  99
 100         if (! $can_post) {
 101                 if ($r_json) {
 102                         echo json_encode(array('error'=>t('Permission denied.')));
 103                         killme();
 104                 }
 105                 notice(t('Permission denied.') . EOL);
 106                 killme();
 107         }
 108
 109         if (! x($_FILES, 'userfile') && ! x($_FILES, 'media')) {
 110                 if ($r_json) {
 111                         echo json_encode(array('error'=>t('Invalid request.')));
 112                 }
 113                 killme();
 114         }
 115
 116         $src = "";
 117         if (x($_FILES, 'userfile')) {
 118                 $src      = $_FILES['userfile']['tmp_name'];
 119                 $filename = basename($_FILES['userfile']['name']);
 120                 $filesize = intval($_FILES['userfile']['size']);
 121                 $filetype = $_FILES['userfile']['type'];
 122
 123         } elseif (x($_FILES, 'media')) {
 124                 if (is_array($_FILES['media']['tmp_name'])) {
 125                         $src = $_FILES['media']['tmp_name'][0];
 126                 } else {
 127                         $src = $_FILES['media']['tmp_name'];
 128                 }
 129
 130                 if (is_array($_FILES['media']['name'])) {
 131                         $filename = basename($_FILES['media']['name'][0]);
 132                 } else {
 133                         $filename = basename($_FILES['media']['name']);
 134                 }
 135
 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                 if (is_array($_FILES['media']['type'])) {
 143                         $filetype = $_FILES['media']['type'][0];
 144                 } else {
 145                         $filetype = $_FILES['media']['type'];
 146                 }
 147         }
 148
 149         if ($src=="") {
 150                 if ($r_json) {
 151                         echo json_encode(array('error'=>t('Invalid request.')));
 152                         killme();
 153                 }
 154                 notice(t('Invalid request.').EOL);
 155                 killme();
 156         }
 157
 158         // This is a special treatment for picture upload from Twidere
 159         if (($filename == "octet-stream") && ($filetype != "")) {
 160                 $filename = $filetype;
 161                 $filetype = "";
 162         }
 163
 164         if ($filetype=="") {
 165                 $filetype=guess_image_type($filename);
 166         }
 167
 168         // If there is a temp name, then do a manual check
 169         // This is more reliable than the provided value
 170
 171         $imagedata = getimagesize($src);
 172         if ($imagedata) {
 173                 $filetype = $imagedata['mime'];
 174         }
 175
 176         logger("File upload src: " . $src . " - filename: " . $filename .
 177                 " - size: " . $filesize . " - type: " . $filetype, LOGGER_DEBUG);
 178
 179         $maximagesize = Config::get('system', 'maximagesize');
 180
 181         if (($maximagesize) && ($filesize > $maximagesize)) {
 182                 $msg = sprintf(t('Image exceeds size limit of %s'), formatBytes($maximagesize));
 183                 if ($r_json) {
 184                         echo json_encode(array('error'=>$msg));
 185                 } else {
 186                         echo  $msg. EOL;
 187                 }
 188                 @unlink($src);
 189                 killme();
 190         }
 191
 192         $imagedata = @file_get_contents($src);
 193         $ph = new Photo($imagedata, $filetype);
 194
 195         if (! $ph->is_valid()) {
 196                 $msg = t('Unable to process image.');
 197                 if ($r_json) {
 198                         echo json_encode(array('error'=>$msg));
 199                 } else {
 200                         echo  $msg. EOL;
 201                 }
 202                 @unlink($src);
 203                 killme();
 204         }
 205
 206         $ph->orient($src);
 207         @unlink($src);
 208
 209         $max_length = Config::get('system', 'max_image_length');
 210         if (! $max_length) {
 211                 $max_length = MAX_IMAGE_LENGTH;
 212         }
 213         if ($max_length > 0) {
 214                 $ph->scaleImage($max_length);
 215                 logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 216         }
 217
 218         $width = $ph->getWidth();
 219         $height = $ph->getHeight();
 220
 221         $hash = photo_new_resource();
 222
 223         $smallest = 0;
 224
 225         // If we don't have an album name use the Wall Photos album
 226         if (! strlen($album)) {
 227                 $album = t('Wall Photos');
 228         }
 229
 230         $defperm = '<' . $default_cid . '>';
 231
 232         $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 233
 234         if (! $r) {
 235                 $msg = t('Image upload failed.');
 236                 if ($r_json) {
 237                         echo json_encode(array('error'=>$msg));
 238                 } else {
 239                         echo  $msg. EOL;
 240                 }
 241                 killme();
 242         }
 243
 244         if ($width > 640 || $height > 640) {
 245                 $ph->scaleImage(640);
 246                 $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 247                 if ($r) {
 248                         $smallest = 1;
 249                 }
 250         }
 251
 252         if ($width > 320 || $height > 320) {
 253                 $ph->scaleImage(320);
 254                 $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 255                 if ($r && ($smallest == 0)) {
 256                         $smallest = 2;
 257                 }
 258         }
 259
 260         $basename = basename($filename);
 261
 262         if (!$desktopmode) {
 263                 $r = q("SELECT `id`, `datasize`, `width`, `height`, `type` FROM `photo`
 264                         WHERE `resource-id` = '%s'
 265                         ORDER BY `width` DESC LIMIT 1",
 266                         $hash
 267                 );
 268                 if (!$r) {
 269                         if ($r_json) {
 270                                 echo json_encode(array('error'=>''));
 271                                 killme();
 272                         }
 273                         return false;
 274                 }
 275                 $picture = array();
 276
 277                 $picture["id"]        = $r[0]["id"];
 278                 $picture["size"]      = $r[0]["datasize"];
 279                 $picture["width"]     = $r[0]["width"];
 280                 $picture["height"]    = $r[0]["height"];
 281                 $picture["type"]      = $r[0]["type"];
 282                 $picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
 283                 $picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $ph->getExt();
 284                 $picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $ph->getExt();
 285
 286                 if ($r_json) {
 287                         echo json_encode(array('picture'=>$picture));
 288                         killme();
 289                 }
 290                 return $picture;
 291         }
 292
 293
 294         if ($r_json) {
 295                 echo json_encode(array('ok'=>true));
 296                 killme();
 297         }
 298
 299 /* mod Waitman Gobble NO WARRANTY */
 300         // if we get the signal then return the image url info in BBCODE
 301         if ($_REQUEST['hush']!='yeah') {
 302                 echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$ph->getExt()."[/img][/url]\n\n";
 303         } else {
 304                 $m = '[url='.System::baseUrl().'/photos/'.$page_owner_nick.'/image/'.$hash.'][img]'.System::baseUrl()."/photo/{$hash}-{$smallest}.".$ph->getExt()."[/img][/url]";
 305                 return($m);
 306         }
 307 /* mod Waitman Gobble NO WARRANTY */
 308
 309         killme();
 310         // NOTREACHED
 311 }