diff options
Diffstat (limited to 'include/security.php')
| -rwxr-xr-x | include/security.php | 78 |
1 files changed, 76 insertions, 2 deletions
diff --git a/include/security.php b/include/security.php index 6b8128bdd..f469dad66 100755 --- a/include/security.php +++ b/include/security.php @@ -202,7 +202,7 @@ function permissions_sql($owner_id,$remote_verified = false,$groups = null) { " AND ( allow_cid = '' OR allow_cid REGEXP '<%d>' ) AND ( deny_cid = '' OR NOT deny_cid REGEXP '<%d>' ) AND ( allow_gid = '' OR allow_gid REGEXP '%s' ) - AND ( deny_gid = '' OR NOT deny_gid REGEXP '%s') + AND ( deny_gid = '' OR NOT deny_gid REGEXP '%s') ", intval($remote_user), intval($remote_user), @@ -212,4 +212,78 @@ function permissions_sql($owner_id,$remote_verified = false,$groups = null) { } } return $sql; -}
\ No newline at end of file +} + + +function item_permissions_sql($owner_id,$remote_verified = false,$groups = null) { + + $local_user = local_user(); + $remote_user = remote_user(); + + /** + * Construct permissions + * + * default permissions - anonymous user + */ + + $sql = " AND allow_cid = '' + AND allow_gid = '' + AND deny_cid = '' + AND deny_gid = '' + AND private = 0 + "; + + /** + * Profile owner - everything is visible + */ + + if(($local_user) && ($local_user == $owner_id)) { + $sql = ''; + } + + /** + * Authenticated visitor. Unless pre-verified, + * check that the contact belongs to this $owner_id + * and load the groups the visitor belongs to. + * If pre-verified, the caller is expected to have already + * done this and passed the groups into this function. + */ + + elseif($remote_user) { + + if(! $remote_verified) { + $r = q("SELECT id FROM contact WHERE id = %d AND uid = %d AND blocked = 0 LIMIT 1", + intval($remote_user), + intval($owner_id) + ); + if(count($r)) { + $remote_verified = true; + $groups = init_groups_visitor($remote_user); + } + } + if($remote_verified) { + + $gs = '<<>>'; // should be impossible to match + + if(is_array($groups) && count($groups)) { + foreach($groups as $g) + $gs .= '|<' . intval($g) . '>'; + } + + $sql = sprintf( + " AND ( private = 0 OR ( private = 1 AND wall = 1 AND ( allow_cid = '' OR allow_cid REGEXP '<%d>' ) + AND ( deny_cid = '' OR NOT deny_cid REGEXP '<%d>' ) + AND ( allow_gid = '' OR allow_gid REGEXP '%s' ) + AND ( deny_gid = '' OR NOT deny_gid REGEXP '%s'))) + ", + intval($remote_user), + intval($remote_user), + dbesc($gs), + dbesc($gs) + ); + } + } + return $sql; +} + + |