From 02e099da455f0ca42720e60eabe65ba8d4560373 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Thu, 31 Jan 2013 16:13:44 -0800
Subject: file/attachment storage api with revision control - needs a bit more
 testing but the framework is in place

---
 mod/wall_attach.php | 120 +++-------------------------------------------------
 1 file changed, 5 insertions(+), 115 deletions(-)

(limited to 'mod/wall_attach.php')

diff --git a/mod/wall_attach.php b/mod/wall_attach.php
index 305931bbb..5797531e8 100644
--- a/mod/wall_attach.php
+++ b/mod/wall_attach.php
@@ -5,7 +5,6 @@ require_once('include/datetime.php');
 
 function wall_attach_post(&$a) {
 
-
 	// Figure out who owns the page and if they allow attachments
 
 	if(argc() > 1) {
@@ -21,122 +20,13 @@ function wall_attach_post(&$a) {
 	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);
+	$r = attach_store($channel,get_observer_hash());
+	if(! $r['success']) {
+		notice( $r['message'] . EOL);
 		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";
-	
+	echo  "\n\n" . '[attachment]' . $r['data']['hash'] . ',' . $r['data']['revision'] . '[/attachment]' . "\n";
 	killme();
-	// NOTREACHED
+
 }
-- 
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