Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file mod/wall_attach.php
*/
use Friendica\App;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Mimetype;
use Friendica\Util\Strings;
function wall_attach_post(App $a) {
$r_json = (!empty($_GET['response']) && $_GET['response']=='json');
if ($a->argc > 1) {
$nick = $a->argv[1];
$r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid` WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
DBA::escape($nick)
);
if (! DBA::isResult($r)) {
if ($r_json) {
echo json_encode(['error' => L10n::t('Invalid request.')]);
exit();
}
return;
}
} else {
if ($r_json) {
echo json_encode(['error' => L10n::t('Invalid request.')]);
exit();
}
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'] == Contact::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 > 0) {
$r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
intval($contact_id),
intval($page_owner_uid)
);
if (DBA::isResult($r)) {
$can_post = true;
$visitor = $contact_id;
}
}
}
}
if (! $can_post) {
if ($r_json) {
echo json_encode(['error' => L10n::t('Permission denied.')]);
exit();
}
notice(L10n::t('Permission denied.') . EOL );
exit();
}
if (empty($_FILES['userfile'])) {
if ($r_json) {
echo json_encode(['error' => L10n::t('Invalid request.')]);
}
exit();
}
$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) {
$msg = L10n::t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(L10n::t('Or - did you try to upload an empty file?'));
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
notice($msg . EOL);
}
@unlink($src);
exit();
}
if ($maxfilesize && $filesize > $maxfilesize) {
$msg = L10n::t('File exceeds size limit of %s', Strings::formatBytes($maxfilesize));
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg . EOL;
}
@unlink($src);
exit();
}
$filedata = @file_get_contents($src);
$mimetype = Mimetype::getContentType($filename);
$hash = System::createGUID(64);
$created = DateTimeFormat::utcNow();
$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) {
$msg = L10n::t('File upload failed.');
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg . EOL;
}
exit();
}
$r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1",
intval($page_owner_uid),
DBA::escape($created),
DBA::escape($hash)
);
if (! DBA::isResult($r)) {
$msg = L10n::t('File upload failed.');
if ($r_json) {
echo json_encode(['error' => $msg]);
} else {
echo $msg . EOL;
}
exit();
}
if ($r_json) {
echo json_encode(['ok' => true]);
exit();
}
$lf = "\n";
echo $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf;
exit();
// NOTREACHED
}