44beff1a9a
When trying to upload a file greater than PHP's max_upload_filesize, the filesize is 0, and maybe some html code appears in the text input window of the form. Problem seems to disappear when refusing all uploads if filesize <=0.
144 lines
3.3 KiB
PHP
144 lines
3.3 KiB
PHP
<?php
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require_once('include/attach.php');
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require_once('include/datetime.php');
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function wall_attach_post(&$a) {
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if($a->argc > 1) {
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$nick = $a->argv[1];
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$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",
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dbesc($nick)
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);
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if(! count($r))
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return;
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}
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else
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return;
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$can_post = false;
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$visitor = 0;
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$page_owner_uid = $r[0]['uid'];
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$page_owner_cid = $r[0]['id'];
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$page_owner_nick = $r[0]['nickname'];
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$community_page = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
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if((local_user()) && (local_user() == $page_owner_uid))
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$can_post = true;
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else {
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if($community_page && remote_user()) {
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$cid = 0;
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if(is_array($_SESSION['remote'])) {
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foreach($_SESSION['remote'] as $v) {
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if($v['uid'] == $page_owner_uid) {
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$cid = $v['cid'];
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break;
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}
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}
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}
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if($cid) {
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$r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
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intval($cid),
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intval($page_owner_uid)
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);
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if(count($r)) {
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$can_post = true;
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$visitor = $cid;
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}
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}
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}
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}
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if(! $can_post) {
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notice( t('Permission denied.') . EOL );
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killme();
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}
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if(! x($_FILES,'userfile'))
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killme();
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$src = $_FILES['userfile']['tmp_name'];
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$filename = basename($_FILES['userfile']['name']);
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$filesize = intval($_FILES['userfile']['size']);
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$maxfilesize = get_config('system','maxfilesize');
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/* Found html code written in text field of form,
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* when trying to upload a file with filesize
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* greater than upload_max_filesize. Cause is unknown.
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* Then Filesize gets <= 0.
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*/
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if($filesize <=0) {
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notice(t('$filesize <= 0; upload refused') . EOL);
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@unlink($src);
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killme();
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}
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if(($maxfilesize) && ($filesize > $maxfilesize)) {
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notice( sprintf(t('File exceeds size limit of %d'), $maxfilesize) . EOL);
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@unlink($src);
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return;
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}
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$r = q("select sum(octet_length(data)) as total from attach where uid = %d ",
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intval($page_owner_uid)
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);
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$limit = service_class_fetch($page_owner_uid,'attach_upload_limit');
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if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
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echo upgrade_message(true) . EOL ;
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@unlink($src);
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killme();
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}
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$filedata = @file_get_contents($src);
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$mimetype = z_mime_content_type($filename);
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$hash = random_string();
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$created = datetime_convert();
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$r = q("INSERT INTO `attach` ( `uid`, `hash`, `filename`, `filetype`, `filesize`, `data`, `created`, `edited`, `allow_cid`, `allow_gid`,`deny_cid`, `deny_gid` )
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VALUES ( %d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
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intval($page_owner_uid),
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dbesc($hash),
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dbesc($filename),
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dbesc($mimetype),
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intval($filesize),
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dbesc($filedata),
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dbesc($created),
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dbesc($created),
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dbesc('<' . $page_owner_cid . '>'),
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dbesc(''),
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dbesc(''),
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dbesc('')
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);
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@unlink($src);
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if(! $r) {
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echo ( t('File upload failed.') . EOL);
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killme();
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}
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$r = q("SELECT `id` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1",
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intval($page_owner_uid),
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dbesc($created),
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dbesc($hash)
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);
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if(! count($r)) {
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echo ( t('File upload failed.') . EOL);
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killme();
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}
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$lf = "\n";
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echo $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf;
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killme();
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// NOTREACHED
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}
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