<?php /** * @file mod/wall_attach.php */ use Friendica\App; use Friendica\Core\Config; use Friendica\Database\DBM; use Friendica\Util\Mimetype; require_once 'include/datetime.php'; function wall_attach_post(App $a) { $r_json = (x($_GET,'response') && $_GET['response']=='json'); if($a->argc > 1) { $nick = $a->argv[1]; $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", dbesc($nick) ); if (! DBM::is_result($r)) { if ($r_json) { echo json_encode(['error'=>t('Invalid request.')]); killme(); } return; } } else { if ($r_json) { echo json_encode(['error'=>t('Invalid request.')]); killme(); } return; } $can_post = false; $visitor = 0; $page_owner_uid = $r[0]['uid']; $page_owner_cid = $r[0]['id']; $page_owner_nick = $r[0]['nickname']; $community_page = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false); if((local_user()) && (local_user() == $page_owner_uid)) $can_post = true; else { if($community_page && remote_user()) { $contact_id = 0; if(is_array($_SESSION['remote'])) { foreach($_SESSION['remote'] as $v) { if($v['uid'] == $page_owner_uid) { $contact_id = $v['cid']; break; } } } if($contact_id) { $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1", intval($contact_id), intval($page_owner_uid) ); if (DBM::is_result($r)) { $can_post = true; $visitor = $contact_id; } } } } if(! $can_post) { if ($r_json) { echo json_encode(['error'=>t('Permission denied.')]); killme(); } notice( t('Permission denied.') . EOL ); killme(); } if(! x($_FILES,'userfile')) { if ($r_json) { echo json_encode(['error'=>t('Invalid request.')]); } killme(); } $src = $_FILES['userfile']['tmp_name']; $filename = basename($_FILES['userfile']['name']); $filesize = intval($_FILES['userfile']['size']); $maxfilesize = Config::get('system','maxfilesize'); /* Found html code written in text field of form, * when trying to upload a file with filesize * greater than upload_max_filesize. Cause is unknown. * Then Filesize gets <= 0. */ if($filesize <=0) { $msg = t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(t('Or - did you try to upload an empty file?')); if ($r_json) { echo json_encode(['error'=>$msg]); } else { notice( $msg. EOL ); } @unlink($src); killme(); } if(($maxfilesize) && ($filesize > $maxfilesize)) { $msg = sprintf(t('File exceeds size limit of %s'), formatBytes($maxfilesize)); if ($r_json) { echo json_encode(['error'=>$msg]); } else { echo $msg. EOL ; } @unlink($src); killme(); } $filedata = @file_get_contents($src); $mimetype = Mimetype::getContentType($filename); $hash = get_guid(64); $created = datetime_convert(); $fields = ['uid' => $page_owner_uid, 'hash' => $hash, 'filename' => $filename, 'filetype' => $mimetype, 'filesize' => $filesize, 'data' => $filedata, 'created' => $created, 'edited' => $created, 'allow_cid' => '<' . $page_owner_cid . '>', 'allow_gid' => '','deny_cid' => '', 'deny_gid' => '']; $r = dba::insert('attach', $fields); @unlink($src); if(! $r) { $msg = t('File upload failed.'); if ($r_json) { echo json_encode(['error'=>$msg]); } else { echo $msg. EOL ; } killme(); } $r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1", intval($page_owner_uid), dbesc($created), dbesc($hash) ); if (! DBM::is_result($r)) { $msg = t('File upload failed.'); if ($r_json) { echo json_encode(['error'=>$msg]); } else { echo $msg. EOL ; } killme(); } if ($r_json) { echo json_encode(['ok'=>true]); killme(); } $lf = "\n"; echo $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf; killme(); // NOTREACHED }