RELEASE 0.9.0

collapse.php

@@ -0,0 +1,43 @@
+<?php 
+
+/*
+ * collapse.php
+ * This script alters the session variable 'tree', collapsing it
+ * at the dn specified in the query string. 
+ *
+ * Variables that come in as GET vars:
+ *  - dn (rawurlencoded)
+ *  - server_id
+ *
+ * Note: this script is equal and opposite to expand.php
+ */
+
+require 'config.php';
+require_once 'functions.php';
+
+$dn = stripslashes( $_GET['dn'] );
+$encoded_dn = rawurlencode( $dn );
+$server_id = $_GET['server_id'];
+
+check_server_id( $server_id ) or pla_error( "Bad server_id: " . htmlspecialchars( $server_id ) );
+
+session_start();
+session_is_registered( 'tree' ) or pla_error( "Your session tree is not registered. That's weird. Shouldn't ever happen".
+							". Just go back and it should be fixed automagically." );
+$tree = $_SESSION['tree'];
+
+// and remove this instance of the dn as well
+unset( $tree[$server_id][$dn] );
+
+$_SESSION['tree'] = $tree;
+session_write_close();
+
+// This is for Opera. By putting "random junk" in the query string, it thinks
+// that it does not have a cached version of the page, and will thus
+// fetch the page rather than display the cached version
+$time = gettimeofday();
+$random_junk = md5( strtotime( 'now' ) . $time['usec'] );
+
+header( "Location: tree.php?foo=$random_junk#{$server_id}_{$encoded_dn}" );
+
+; ?>