/usr/share/gosa/plugins/personal/mail/sieve/class_My_Tree.inc is in gosa-plugin-mail 2.7.4+reloaded2-9ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* This class is inherited from the original 'Tree'
* class written by Heiko Hund.
* It is partly rewritten to create a useable html interface
* for each single sieve token.
* This gives us the ability to edit existing sieve filters.
*/
class My_Tree extends Tree
{
var $dumpFn_;
var $dump_;
var $mode_stack = array();
var $pap = array();
var $parent = NULL;
function My_Tree(&$root,$parent)
{
$this->parent = $parent;
$this->_construct($root);
}
function execute()
{
return($this->dump());
}
/* Create a html interface for the current sieve filter
*/
function dump()
{
/**************
* Handle new elements
**************/
/* Only parse the tokens once */
if(!count($this->pap)){
$this->dump_ = "";
$this->mode_stack = array();
$this->pap = array();
$this->doDump_(0, '', true);
/* Add left elements */
if(count($this->mode_stack)){
foreach($this->mode_stack as $element){
$this->handle_elements( $element,preg_replace("/[^0-9]/","",microtime()));
}
}
}
/* Create html results */
$smarty = get_smarty();
$block_indent_start = $smarty->fetch(get_template_path("templates/block_indent_start.tpl",TRUE,dirname(__FILE__)));
$block_indent_stop = $smarty->fetch(get_template_path("templates/block_indent_stop.tpl",TRUE,dirname(__FILE__)));
$this -> dump_ = "";
$ends = array();
$ends_complete_block = array();
foreach($this->pap as $key => $object){
if(is_object($object)){
$end = $this->get_block_end($key,false);
$end2 = $this->get_block_end($key);
if($end != $key && in_array_strict(get_class($object),array("sieve_if"))){
$ends_complete_block[$end2] = $end2;
$this->dump_ .= "<div style='height:10px;'></div>";
$this->dump_ .= "<div class='container_'>";
}
if(isset($ends[$key])){
$this->dump_ .= $block_indent_stop;
}
$this->dump_ .= preg_replace("/>/",">\n",$object->execute());
if($end != $key && in_array_strict(get_class($object),array("sieve_if","sieve_else","sieve_elsif"))) {
$ends[$end] = $end;
$this->dump_ .= $block_indent_start;
}
if(isset($ends_complete_block[$key])){
$this->dump_ .= "</div>";
$this->dump_ .= "<div style='height:10px;'></div>";
}
}
}
return($this->dump_);
}
/* This function walks through the object tree generated by the "Parse" class.
* All Commands will be resolved and grouped. So the Commands and their
* parameter are combined. Like "IF" and ":comparator"...
*/
function doDump_($node_id, $prefix, $last,$num = 1)
{
/* Indicates that current comman will only be valid for a single line.
* this command type will be removed from mode_stack after displaying it.
*/
$rewoke_last = FALSE;
/* Get node */
$node = $this->nodes_[$node_id];
/* Get last element class and type */
$last_class = "";
$last_type = "";
if(count($this->mode_stack)){
$key = key($this->mode_stack);
$tmp = array_reverse($this->mode_stack[$key]['ELEMENTS']);
$last_class = $tmp[key($tmp)]['class'];
if(isset($this->mode_stack[$key]['TYPE'])){
$last_type = $this->mode_stack[$key]['TYPE'];
}
}
/* This closes the last mode */
if($node['class'] == "block-start"){
$tmp = array_pop($this->mode_stack);
$this->handle_elements($tmp,$node_id);
$this->handle_elements(array("TYPE" => "block_start"),preg_replace("/[^0-9]/","",microtime()));
}
/* This closes the last mode */
if($node['class'] == "block-end"){
$tmp = array_pop($this->mode_stack);
$this->handle_elements($tmp,$node_id);
$this->handle_elements(array("TYPE" => "block_end"),preg_replace("/[^0-9]/","",microtime()));
}
/* Semicolon indicates a new command */
if($node['class'] == "semicolon"){
$tmp =array_pop($this->mode_stack);
$this->handle_elements($tmp,$node_id);
}
/* We can't handle comments within if tag right now */
if(!in_array_ics($last_type,array("if","elsif"))){
/* Comments require special attention.
* We do not want to create a single comment element
* foreach each "#comment" string found in the script.
* Sometimes comments are used like this
* # This is a comment
* # and it still is a comment
* # ...
* So we combine them to one single comment.
*/
if($last_class != "comment" && $node['class'] == "comment"){
$tmp =array_pop($this->mode_stack);
$this->handle_elements($tmp,$node_id);
$this->mode_stack[] = array("TYPE" => $node['class']);
}
if($last_class == "comment" && $node['class'] != "comment"){
$tmp =array_pop($this->mode_stack);
$this->handle_elements($tmp,$node_id);
}
}
/* Handle identifiers */
$identifiers = array("else","if","elsif","end","reject","redirect","vacation","keep","discard","fileinto","require","stop");
if($node['class'] == "identifier" && in_array_strict($node['text'],$identifiers)){
$this->mode_stack[] = array("TYPE" => $node['text']);
}
if(!($last_type == "if" && $node['class'] == "comment")){
/* Add current node to current command stack */
end($this->mode_stack);
$key = key($this->mode_stack);
$this->mode_stack[$key]['ELEMENTS'][] = $node;
}
/* Remove last mode from mode stack, cause it was only valid for a single line */
if($rewoke_last){
$tmp =array_pop($this->mode_stack);
$this->handle_elements($tmp,$node_id);
}
/* If this is a sub element, just call this for all childs */
if(isset($this->childs_[$node_id])){
$childs = $this->childs_[$node_id];
for ($i=0; $i<count($childs); ++$i)
{
$c_last = false;
if ($i+1 == count($childs))
{
$c_last = true;
}
$this->doDump_($childs[$i], "", $num);
}
}
}
/* Create a class for each resolved object.
* And append this class to a list of objects.
*/
function handle_elements($data,$id)
{
if(!isset($data['TYPE'])){
return;
}
$type = $data['TYPE'];
$class_name= "sieve_".$type ;
if(class_exists($class_name)){
$this->pap[] = new $class_name($data,$id,$this);
}else{
echo "<font color='red'>Missing : ".$class_name."</font>"."<br>";
}
}
function save_object()
{
reset($this->pap);
foreach($this->pap as $key => $obj){
if(in_array_strict(get_class($obj),array("sieve_if",
"sieve_elsif",
"sieve_vacation",
"sieve_comment",
"sieve_reject",
"sieve_fileinto",
"sieve_require",
"sieve_redirect"))){
if(isset($this->pap[$key]) && method_exists($this->pap[$key],"save_object")){
$this->pap[$key]->save_object();
}
}
}
}
/* Remove the object at the given position */
function remove_object($key_id)
{
if(count($this->pap) == 1){
msg_dialog::display(_("Warning"), _("Cannot remove last element!"), ERROR_DIALOG);
return;
}
if(!isset($this->pap[$key_id])){
trigger_error("Can't remove element with object_id=".$key_id.", there is no object with this identifier. Remove aborted.");
return(false);
}
$class = get_class($this->pap[$key_id]);
if(in_array_strict($class,array("sieve_if","sieve_elsif","sieve_else"))){
$block_start= $key_id;
$block_end = $this->get_block_end($key_id);
for($i = $block_start ; $i <= $block_end ; $i ++ ){
unset($this->pap[$i]);
}
}else{
unset($this->pap[$key_id]);
}
$tmp = array();
foreach($this->pap as $element){
$tmp[] = $element;
}
$this->pap = $tmp;
}
/* This function moves a given element to another position.
* Single elements like "keep;" will simply be moved one posisition down/up.
* Multiple elements like if-elsif-else will be moved as block.
*
* $key_id specified the element that should be moved.
* $direction specifies to move elements "up" or "down"
*/
function move_up_down($key_id,$direction = "down")
{
/* Get the current element to decide what to move. */
$e_class = get_class($this->pap[$key_id]);
if(in_array_strict($e_class,array("sieve_if"))){
$block_start= $key_id;
$block_end = $this->get_block_end($key_id);
/* Depending on the direction move up down */
if($direction == "down"){
$next_free = $this->_get_next_free_move_slot($block_end,$direction);
}else{
$next_free = $this->_get_next_free_move_slot($block_start,$direction);
}
/* Move the given block */
$this->move_multiple_elements($block_start,$block_end,$next_free);
}
if(in_array_strict($e_class,array( "sieve_stop",
"sieve_keep",
"sieve_require",
"sieve_comment",
"sieve_vacation",
"sieve_stop",
"sieve_reject",
"sieve_fileinto",
"sieve_redirect",
"sieve_discard"))){
$this->move_single_element($key_id,$this->_get_next_free_move_slot($key_id,$direction));
}
}
/* Move the given block to position */
function move_multiple_elements($start,$end,$to)
{
/* Use class names for testing */
$data = $this->pap;
/* Get block to move */
$block_to_move = array_slice($data,$start, ($end - $start +1));
/* We want do move this block up */
if($end > $to){
/* Get start block */
$start_block = array_slice($data,0,$to);
/* Get Get all elements between the block to move
* and next free position
*/
$block_to_free = array_slice($data,$to ,$start - $to );
$block_to_end = array_slice($data,$end+1);
$new = array();
foreach($start_block as $block){
$new[] = $block;
}
foreach($block_to_move as $block){
$new[] = $block;
}
foreach($block_to_free as $block){
$new[] = $block;
}
foreach($block_to_end as $block){
$new[] = $block;
}
$old = $this->pap;
$this->pap = $new;
}
/* We want to move this block down. */
if($to > $end){
/* Get start block */
$start_block = array_slice($data,0,$start);
/* Get Get all elements between the block to move
* and next free position
*/
$block_to_free = array_slice($data,$end +1,($to - $end ));
/* Get the rest
*/
$block_to_end = array_slice($data,$to+1);
$new = array();
foreach($start_block as $block){
$new[] = $block;
}
foreach($block_to_free as $block){
$new[] = $block;
}
foreach($block_to_move as $block){
$new[] = $block;
}
foreach($block_to_end as $block){
$new[] = $block;
}
$old = $this->pap;
$this->pap = $new;
}
}
/* This function returns the id of the element
* where the current block ends
*/
function get_block_end($start,$complete = TRUE)
{
/* Only execute if this is a really a block element.
* Block elements is only sieve_if
*/
if(in_array_strict(get_class($this->pap[$start]),array("sieve_if","sieve_elsif","sieve_else"))){
$class = get_class($this->pap[$start]);
$next_class = get_class($this->pap[$start+1]);
$block_depth = 0;
$end = FALSE;
while(!$end && $start < count($this->pap)){
if($class == "sieve_block_start"){
$block_depth ++;
}
if($class == "sieve_block_end"){
$block_depth --;
}
if($complete){
if( $block_depth == 0 &&
$class == "sieve_block_end" &&
!in_array_strict($next_class,array("sieve_else","sieve_elsif"))){
$end = TRUE;
$start --;
}
}else{
if( $block_depth == 0 &&
$class == "sieve_block_end" ){
$end = TRUE;
$start --;
}
}
$start ++;
$class = get_class($this->pap[$start]);
if(isset($this->pap[$start+1])){
$next_class = get_class($this->pap[$start+1]);
}else{
$next_class ="";
}
}
}
return($start);
}
/* This function moves the single element at
* position $from to position $to.
*/
function move_single_element($from,$to)
{
if($from == $to) {
return;
}
$ret = array();
$tmp = $this->pap;
$begin = array();
$middle = array();
$end = array();
$element = $this->pap[$from];
if($from > $to ){
/* Get all element in fron to element to move */
if($from != 0){
$begin = array_slice($tmp,0,$to);
}
/* Get all elements between */
$middle = array_slice($tmp,$to , ($from - ($to) ));
/* Get the rest */
$end = array_slice($tmp,$from+1);
foreach($begin as $data){
$ret[] = $data;
}
$ret[] = $element;
foreach($middle as $data){
$ret[] = $data;
}
foreach($end as $data){
$ret[] = $data;
}
$this->pap = $ret;
}
if($from < $to ){
/* Get all element in fron to element to move */
if($from != 0){
$begin = array_slice($tmp,0,$from);
}
/* Get all elements between */
$middle = array_slice($tmp,$from+1 , ($to - ($from)));
/* Get the rest */
$end = array_slice($tmp,$to+1);
foreach($begin as $data){
$ret[] = $data;
}
foreach($middle as $data){
$ret[] = $data;
}
$ret[] = $element;
foreach($end as $data){
$ret[] = $data;
}
$this->pap = $ret;
}
}
/* Returns the next free position where we
* can add a new sinle element
* $key_id = Current position
* $direction = Forward or backward.
*/
function _get_next_free_move_slot($key_id,$direction,$include_self = FALSE)
{
$last_class = "";
$current_class ="";
$next_class = "";
/* After this elements we can add new elements
* without having any trouble.
*/
$allowed_to_add_after = array("sieve_keep",
"sieve_require",
"sieve_stop",
"sieve_reject",
"sieve_fileinto",
"sieve_redirect",
"sieve_discard",
"sieve_comment",
"sieve_block_start"
);
/* Before this elements we can add new elements
* without having any trouble.
*/
$allowed_to_add_before = array("sieve_keep",
"sieve_require",
"sieve_stop",
"sieve_reject",
"sieve_fileinto",
"sieve_comment",
"sieve_redirect",
"sieve_discard",
"sieve_if",
"sieve_block_end"
);
if($direction == "down"){
$test = $this->pap;
while($key_id < count($test)){
if(($key_id+1) == count($test)) {
return($key_id);
}
if(!$include_self){
$key_id ++;
}
$include_self = FALSE;
$current_class = get_class($test[$key_id]);
if(in_array_strict($current_class, $allowed_to_add_after)){
return($key_id);
}
}
}else{
$test = $this->pap;
if($key_id == 0) {
return($key_id);
}
if(!$include_self){
$key_id --;
}
while($key_id >=0 ){
$current_class = get_class($test[$key_id]);
if(in_array_strict($current_class, $allowed_to_add_before)){
return($key_id);
}
$key_id --;
}
return(0);
}
}
/* Need to be reviewed */
function get_sieve_script()
{
$tmp ="";
if(count($this->pap)){
$buffer = "";
foreach($this->pap as $part) {
if(get_class($part) == "sieve_block_end"){
$buffer = substr($buffer,0,strlen($buffer)-(strlen(SIEVE_INDENT_TAB)));
}
$tmp2 = $part->get_sieve_script_part();
$tmp3 = preg_split("/\n/",$tmp2);
foreach($tmp3 as $str){
$str2 = trim($str);
/* If the current line only contains an '.'
* we must skip the line indent.
* The text: statement uses a single '.' to mark the text end.
* This '.' must be the only char in the current line, no
* whitespaces are allowed here.
*/
if($str2 == "."){
$tmp.=$str."\n";
}else{
$tmp.= $buffer.$str."\n";
}
}
if(get_class($part) == "sieve_block_start"){
$buffer .= SIEVE_INDENT_TAB;
}
}
}
if(!preg_match("/Generated by GOsa - Gonicus System Administrator/",$tmp)){
# $tmp = "#Generated by GOsa - Gonicus System Administrator \n ".$tmp;
}
return($tmp);
}
function check()
{
$msgs = array();
/* Some logical checks.
* like : only sieve_comment can appear before require.
*/
/* Ensure that there are no command before require
* - Get id of last require tag
* - Collect object types in from of this tag.
* - Check if there are tags collected that are not allowed
*/
$last_found_at = -1;
$objs = array();
foreach($this->pap as $key => $obj){
if(get_class($obj) == "sieve_require"){
$last_found_at = $key;
}
}
foreach($this->pap as $key => $obj){
if($key == $last_found_at) break;
if(!in_array_strict(get_class($obj),array("sieve_comment","sieve_require"))){
$objs[] = get_class($obj);
}
}
if(count($objs) && $last_found_at != -1){
$str = _("Require must be the first command in the script.");
$msgs[] = $str;
msg_dialog::display(_("Error"), $str, ERROR_DIALOG);
}
foreach($this->pap as $obj){
$o_msgs = $obj->check();
foreach($o_msgs as $o_msg){
$msgs[] = $o_msg;
}
}
return($msgs);
}
/* We are forced to add a new require.
* This function is called by the
* sieveElement_Classes->parent->add_require()
*/
function add_require($str)
{
$require_id = -1;
foreach($this->pap as $key => $obj){
if(get_class($obj) == "sieve_require"){
$require_id = $key;
}
}
/* No require found, add one */
if($require_id == -1){
$require = new sieve_require(NULL,preg_replace("/[^0-9]/","",microtime()),$this);
$require -> Add_Require($str);
$new = array();
$new[] = $require;
foreach($this->pap as $obj){
$new[] = $obj;
}
$this->pap = $new;
} else {
$this->pap[$require_id]->Add_Require($str);
}
}
}
/* Create valid sieve string/string-list
* out of a given array
*/
function sieve_create_strings($data,$force_string = FALSE)
{
$ret = "";
if(is_array($data)){
if(count($data) == 1){
$ret = "\"";
foreach($data as $dat){
$ret .=$dat;
}
$ret.="\"";
}else{
foreach($data as $dat){
$ret.= "\"";
$ret.=$dat;
$ret.="\", ";
}
$ret = preg_replace("/,$/","",trim($ret));
$ret = "[".$ret."]";
}
# $ret = preg_replace("/\"\"/","\"",$ret);
}else{
$Multiline = preg_match("/\n/",$data);
$data = preg_replace("/\r/","",$data);;
if($Multiline && !$force_string){
$ret = "text: \r\n".$data."\r\n.\r\n";
}else{
$ret = "\"".$data."\"";
$ret = preg_replace("/\"\"/","\"",$ret);
}
}
$ret = preg_replace("/\n/","\r\n",$ret);
return($ret);
}
/* This checks if there is a string at the current position
* in the token array.
* If there is a string list at the current position,
* this function will return a complete list of all
* strings used in this list.
* It also returns an offset of the last token position
*/
function sieve_get_strings($data,$id)
{
$ret = array();
if($data[$id]['class'] == "left-bracket"){
while(isset($data[$id]) && $data[$id]['class'] != "right-bracket" && $id < count($data)){
if($data[$id]['class'] == "quoted-string"){
$text = $data[$id]['text'];
$text= preg_replace("/^\"/","",$text);
$text= preg_replace("/\"$/","",$text);
$ret[] = $text;
}
$id ++;
}
}elseif($data[$id]['class'] == "quoted-string"){
$text = $data[$id]['text'];
$text= preg_replace("/^\"/","",$text);
$text= preg_replace("/\"$/","",$text);
$ret[] = $text;
}elseif($data[$id]['class'] == "number"){
$ret[] = $data[$id]['text'];
}elseif($data[$id]['class'] == "multi-line"){
$str = trim(preg_replace("/^text:/","",$data[$id]['text']));
$str = trim(preg_replace("/\.$/","",$str));
$ret[] = $str;
}
return(array("OFFSET" => $id, "STRINGS" => $ret));
}
// vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
?>
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