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
require_once('include/attach.php');
require_once('include/datetime.php');
function wall_attach_post(&$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(! count($r)){
if ($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()) {
$cid = 0;
if(is_array($_SESSION['remote'])) {
foreach($_SESSION['remote'] as $v) {
if($v['uid'] == $page_owner_uid) {
$cid = $v['cid'];
break;
}
}
}
if($cid) {
$r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
intval($cid),
intval($page_owner_uid)
);
if(count($r)) {
$can_post = true;
$visitor = $cid;
}
}
}
}
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(); }
killme();
}
$src = $_FILES['userfile']['tmp_name'];
$filename = basename($_FILES['userfile']['name']);
$filesize = intval($_FILES['userfile']['size']);
$maxfilesize = get_config('system','maxfilesize');
/* Found html code written in text field of form,
* when trying to upload a file with filesize
* greater than upload_max_filesize. Cause is unknown.
* Then Filesize gets <= 0.
*/
if($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();
}
$r = q("select sum(octet_length(data)) as total from attach where uid = %d ",
intval($page_owner_uid)
);
$limit = service_class_fetch($page_owner_uid,'attach_upload_limit');
if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
$msg = upgrade_message(true);
if ($r_json) {
echo json_encode(['error'=>$msg]);
} else {
echo $msg. EOL ;
}
@unlink($src);
killme();
}
$filedata = @file_get_contents($src);
$mimetype = z_mime_content_type($filename);
$hash = get_guid(64);
$created = datetime_convert();
$r = q("INSERT INTO `attach` ( `uid`, `hash`, `filename`, `filetype`, `filesize`, `data`, `created`, `edited`, `allow_cid`, `allow_gid`,`deny_cid`, `deny_gid` )
VALUES ( %d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($page_owner_uid),
dbesc($hash),
dbesc($filename),
dbesc($mimetype),
intval($filesize),
dbesc($filedata),
dbesc($created),
dbesc($created),
dbesc('<' . $page_owner_cid . '>'),
dbesc(''),
dbesc(''),
dbesc('')
);
@unlink($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(! count($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
}