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path: root/mod/wall_attach.php
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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(! ($r && count($r)))
			return;
		$channel = $r[0];

	}
	else
		return;

	
	$can_post  = false;

	
	$visitor   = 0;

	$page_owner_uid   = $channel['channel_id'];


//	$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;

// FIXME for forum and guests
//	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) {
		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']);

	$maxfilesize = get_config('system','maxfilesize');

	if(($maxfilesize) && ($filesize > $maxfilesize)) {
		notice( sprintf(t('File exceeds size limit of %d'), $maxfilesize) . EOL);
		@unlink($src);
		return;
	}

	$r = q("select sum(octet_length(data)) as total from attach where uid = %d ",
		intval($page_owner_uid)
	);

	$limit = service_class_fetch($page_owner_uid,'attach_upload_limit');

	if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
		echo upgrade_message(true) . EOL ;
		@unlink($src);
		killme();
	}


	$filedata = @file_get_contents($src);
	$mimetype = z_mime_content_type($filename);
	$hash = random_string();
	$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('<' . $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(! count($r)) {
		echo ( t('File upload failed.') . EOL);
		killme();
	}

	echo  "\n\n" . '[attachment]' . $r[0]['hash'] . '[/attachment]' . "\n";
	
	killme();
	// NOTREACHED
}