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<?php
require_once('include/attach.php');
require_once('include/datetime.php');
function wall_attach_post(&$a) {
// Figure out who owns the page and if they allow attachments
if(argc() > 1) {
$nick = argv(1);
$r = q("SELECT channel.* from channel where channel_address = '%s' limit 1",
dbesc($nick)
);
if(! $r)
killme();
$channel = $r[0];
}
else
killme();
$can_post = false;
$visitor = 0;
$page_owner_uid = $channel['channel_id'];
if(! perm_is_allowed($page_owner_uid,get_observer_hash(),'write_storage')) {
notice( t('Permission denied.') . EOL);
killme();
}
if(! x($_FILES,'userfile'))
killme();
$src = $_FILES['userfile']['tmp_name'];
$filename = basename($_FILES['userfile']['name']);
$filesize = intval($_FILES['userfile']['size']);
$replace = ((x($_REQUEST,'replace')) ? intval($_REQUEST['replace']) : 0);
$existing_size = 0;
if($replace) {
$x = q("select id, filesize, allow_cid, allow_gid, deny_cid, deny_gid from attach where id = %d and uid = %d limit 1",
intval($replace),
intval($page_owner_uid)
);
if(! $x) {
notice('Cannot locate file to replace');
killme();
}
$existing_size = intval($x[0]['filesize']);
}
$maxfilesize = get_config('system','maxfilesize');
if(($maxfilesize) && ($filesize > $maxfilesize)) {
notice( sprintf(t('File exceeds size limit of %d'), $maxfilesize) . EOL);
@unlink($src);
killme();
}
$limit = service_class_fetch($page_owner_uid,'attach_upload_limit');
if($limit !== false) {
$r = q("select sum(filesize) as total from attach where uid = %d ",
intval($page_owner_uid)
);
if(($r) && (($r[0]['total'] + $filesize) > ($limit - $existing_size))) {
echo upgrade_message(true) . EOL ;
@unlink($src);
killme();
}
}
// TODO turn this into a general file upload api where permissions can be set on demand and move it out of the front end controller.
// We're making several assumptions that we are uploading into a post, which defaults to owner privacy until the post is completed
// and permissions are updated to match the post.
$filedata = @file_get_contents($src);
$mimetype = z_mime_content_type($filename);
$hash = random_string();
$created = datetime_convert();
if($replace) {
$r = q("update attach set filename = '%s', filetype = '%s', filesize = %d, data = '%s', edited = '%s' where id = %d limit 1",
dbesc($filename),
dbesc($mimetype),
intval($filesize),
dbesc($filedata),
dbesc($created),
intval($replace)
);
}
else {
$r = q("INSERT INTO `attach` ( `aid`, `uid`, `hash`, `filename`, `filetype`, `filesize`, `data`, `created`, `edited`, `allow_cid`, `allow_gid`,`deny_cid`, `deny_gid` )
VALUES ( %d, %d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
intval($channel['channel_account_id']),
intval($page_owner_uid),
dbesc($hash),
dbesc($filename),
dbesc($mimetype),
intval($filesize),
dbesc($filedata),
dbesc($created),
dbesc($created),
dbesc('<' . $channel['channel_hash'] . '>'),
dbesc(''),
dbesc(''),
dbesc('')
);
}
@unlink($src);
if(! $r) {
echo ( t('File upload failed.') . EOL);
killme();
}
$r = q("SELECT `hash` FROM `attach` WHERE `uid` = %d AND `created` = '%s' AND `hash` = '%s' LIMIT 1",
intval($page_owner_uid),
dbesc($created),
dbesc($hash)
);
if(! $r) {
echo ( t('File upload failed.') . EOL);
killme();
}
echo "\n\n" . '[attachment]' . $r[0]['hash'] . '[/attachment]' . "\n";
killme();
// NOTREACHED
}
|
