Code

c4c76b70becc1eb904703981ed4f62563f518369
[gosa.git] / gosa-plugins / mail / personal / mail / sieve / class_sieveManagement.inc
1 <?php
2 /*
3    This code is part of GOsa (https://gosa.gonicus.de)
4    Copyright (C) 2003-2007 - Fabian Hickert <hickert@gonicus.de>
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 2 of the License, or
9    (at your option) any later version.
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
22 /* The sieve management class displays a list of sieve 
23  *  scripts for the given mail account. 
24  * The account is identified by the parents uid attribute. 
25  *
26  *  $config       The config object
27  *  $dn           The object edited 
28  *  $parent       The parent object that provides the uid attribute 
29  */
30 class sieveManagement extends plugin
31 {
32   var $parent = NULL;
33   var $scripts= array();  
34   var $uattrib = "uid";
35   var $current_script  = -1;
36   var $current_handler = NULL;
37   var $script_to_delete =-1;
38   var $sieve_handle = NULL; 
39   var $Script_Error = "";
40   var $Sieve_Error = "";
41   var $create_script = FALSE;
43   /* To add new elements we need to know 
44    *  Where to add the element              -> add_new_id
45    *  Whould we add above or below this id  -> add_above_below
46    *  What kind of element should we add    -> add_element_type
47    */
48   var $add_new_element    = FALSE;
49   var $add_new_id         = -1;
50   var $add_above_below    = "below";
51   var $add_element_type   = "sieve_comment";
53   /* If this variable is TRUE, this indicates that we have the 
54    *  import dialog opened. 
55    */
56   var $Import_Script = FALSE;
58   /* Initialize the class and load all sieve scripts 
59    *  try to parse them and display errors 
60    */ 
61   function sieveManagement(&$config,$dn,&$parent,$uattrib)
62   {
63     /* Check given parameter */
64     if(!isset($parent->$uattrib)){
65       trigger_error("Sieve Management implementation error. Parameter 4 (".$uattrib.") must be part of the given parent element (".get_class($parent).").");
66     }
68     $this->uattrib = $uattrib;
69     $this->parent = &$parent;
70     plugin::plugin($config,$dn);
72     /* Get sieve, if this fail abort class initialization */
73     if(!$this->sieve_handle = $this->get_sieve()){
74       return;
75     }
78     /* Get all sieve scripts names */
79     if($this->sieve_handle->sieve_listscripts()){
80       if (is_array($this->sieve_handle->response)){
81         foreach($this->sieve_handle->response as $key => $name){
83           $data = array();
84           $data['NAME'] = $name;
86           if($key == "ACTIVE" && $key === "ACTIVE"){
87             $data['ACTIVE'] = TRUE;
88           }else{
89             $data['ACTIVE'] = FALSE;
90           }
91           $this->scripts[] = $data;          
92         }
93       } 
94     }
96     /* Get script contents */
97     foreach($this->scripts as $key => $script){
98       $p = new My_Parser($this);
99       $this->sieve_handle->sieve_getscript($script['NAME']);
101       $script = "";
102       foreach($this->sieve_handle->response as $line){
103         $script.=$line;
104       }
106       $this->scripts[$key]['IS_NEW'] = FALSE;;
107       $this->scripts[$key]['SCRIPT'] = $script;
108       $this->scripts[$key]['ORIG_SCRIPT'] = $script;
109       $this->scripts[$key]['MSG']   = "";
110       $ret = $p->parse($script);
111       if(!$ret){
112         $this->scripts[$key]['STATUS']   = FALSE;
113         $this->scripts[$key]['MODE']    = "Source";
114         $this->scripts[$key]['MSG'] = _("Parse failed")."<font color='red'>".$p->status_text."</font>";
115       }else{
116         $this->scripts[$key]['STATUS']   = TRUE;
117         $this->scripts[$key]['MODE']    = "Structured";
118         $this->scripts[$key]['MSG'] = _("Parse successful");
119       }
120       $this->scripts[$key]['PARSER'] = $p;
121       $this->scripts[$key]['EDITED'] = FALSE;
122     }
123     $this->sieve_handle = $this->sieve_handle;
124   }
127   /* Return a sieve class handle,
128    *  false if login fails
129    */
130   function get_sieve()
131   {
132     
133     /* Connect to sieve class and try to get all available sieve scripts */
134     if(isset($this->config->data['SERVERS']['IMAP'][$this->parent->gosaMailServer])){
135       $cfg=  $this->config->data['SERVERS']['IMAP'][$this->parent->gosaMailServer];
136       $this->Sieve_Error = "";
138       $uattrib = $this->uattrib;
140       /* Log into the mail server */
141       $this->sieve_handle= new sieve(
142           $cfg["sieve_server"], 
143           $cfg["sieve_port"], 
144           $this->parent->$uattrib, 
145           $cfg["password"], 
146           $cfg["admin"],
147           $cfg["sieve_option"]);
149       /* Try to login */
150       if (!@$this->sieve_handle->sieve_login()){
151         $this->Sieve_Error = $this->sieve_handle->error_raw;
152         return(FALSE);
153       }
154       return($this->sieve_handle);
155     }else{
156       $this->Sieve_Error = sprintf(_("The specified mail server '%s' does not exist within the GOsa configuration."),
157         $this->parent->gosaMailServer);
158       return(FALSE);
159     }
160   }
163   /* Handle sieve list 
164    */
165   function execute()
166   {
167     /***************
168      * Create a new Script 
169      ***************/
171     /* Force opening the add script dialog */
172     if(isset($_POST['create_new_script'])){
173       $this->create_script = TRUE;
174     }
176     /* Close add script dialog, without adding a new one */
177     if(isset($_POST['create_script_cancel'])){
178       $this->create_script = FALSE;
179     }
181     /* Display create script dialog 
182      *  handle posts, display warnings if specified 
183      *  name is not useable. 
184      * Create a new script with given name
185      */
186     if($this->create_script){
187     
188       /* Set initial name or used posted name if available */
189       $name = "";
190       if(isset($_POST['NewScriptName'])){
191         $name = trim($_POST['NewScriptName']);
192       }
193  
194       /* Check given name */ 
195       $err = false;
197       /* Is given name in lower case characters ? */
198       if(isset($_POST['create_script_save'])){
199         if(!strlen($name)){
200           $err =true;
201           msg_dialog::display(_("Error"), _("No script name specified!"), ERROR_DIALOG);
202         }
203         /* Is given name in lower case characters ? */
204         if($name != strtolower($name)){
205           $err =true;
206           msg_dialog::display(_("Error"), _("Please use only lowercase script names!"), ERROR_DIALOG);
207         }
209         /* Only chars are allowed here */
210         if(preg_match("/[^a-z]/i",$name)){
211           $err =true;
212           msg_dialog::display(_("Error"), _("Please use only alphabetical characters in script names!"), ERROR_DIALOG);
213         }
215         $tmp = $this->get_used_script_names();
216         if(in_array_ics($name,$tmp)){
217           $err =true;
218           msg_dialog::display(_("Error"), _("Script name already in use!"), ERROR_DIALOG);
219         }
220       }
222       /* Create script if everything is ok */
223       if($this->create_script && isset($_POST['create_script_save']) && !$err){
225         /* Close dialog */
226         $this->create_script = FALSE;
228         /* Script contents to use */
229         $script = "/*New script */".
230                   "stop;";
232         /* Create a new parser and initialize default values */
233         $p = new My_Parser($this);
234         $ret = $p->parse($script);
235         $sc['SCRIPT'] = $script;
236         $sc['ORIG_SCRIPT'] = $script;
237         $sc['IS_NEW'] = TRUE;
238         $sc['MSG']   = "";
239         if(!$ret){
240           $sc['STATUS']   = FALSE;
241           $sc['MODE']    = "Source";
242           $sc['MSG'] = _("Parse failed")."<font color='red'>".$p->status_text."</font>";
243         }else{
244           $sc['STATUS']   = TRUE;
245           $sc['MODE']    = "Structured";
246           $sc['MSG'] = _("Parse successful");
247         }
248         $sc['PARSER'] = $p;
249         $sc['EDITED'] = TRUE;
250         $sc['ACTIVE'] = FALSE;
251         $sc['NAME']   = $name;
252       
253         /* Add script */
254         $this->scripts[$name] = $sc;
255       }else{
256       
257         /* Display dialog to enter new script name */
258         $smarty = get_smarty();
259         $smarty->assign("NewScriptName",$name);
260         return($smarty->fetch(get_template_path("templates/create_script.tpl",TRUE,dirname(__FILE__))));
261       }
262     }
265     /*************
266      * Handle several posts 
267      *************/
269     $once = TRUE;
270     foreach($_POST as $name => $value){
272       /* Edit script requested */
273       if(preg_match("/^editscript_/",$name) && $once && !$this->current_handler){
274         $script = preg_replace("/^editscript_/","",$name);
275         $script = preg_replace("/_(x|y)/","",$script);
276         $once = FALSE;
278         $this->current_script = $script;
279         $this->current_handler = $this->scripts[$script]['PARSER'];
280         $this->scripts[$script]['SCRIPT_BACKUP'] = $this->scripts[$script]['SCRIPT'];
281       }
283       /* remove script requested */
284       if($this->parent->acl_is_writeable("sieveManagement") && preg_match("/^delscript_/",$name) && $once && !$this->current_handler){
285         $script = preg_replace("/^delscript_/","",$name);
286         $script = preg_replace("/_(x|y)/","",$script);
287         $once = FALSE;
288         $this->script_to_delete = $script;  
289       }
291       /* Activate script */
292       if($this->parent->acl_is_writeable("sieveManagement") && preg_match("/^active_script_/",$name) && $once && !$this->current_handler){
293         $script = preg_replace("/^active_script_/","",$name);
294         $script = preg_replace("/_(x|y)/","",$script);
295         $once = FALSE;
297         /* We can only activate existing scripts */
298         if(!$this->scripts[$script]['IS_NEW']){
300           /* Get sieve */
301           if(!$this->sieve_handle = $this->get_sieve()){
302             msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot log into SIEVE server: %s"), '<br><br><i>'.to_string($this->Sieve_Error).'</i>'), ERROR_DIALOG);
303           }
305           /* Try to activate the given script and update 
306            *  class script array. 
307            */
308           if(!$this->sieve_handle->sieve_setactivescript($this->scripts[$script]['NAME'])){
309             msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot retrieve SIEVE script: %s"), '<br><br><i>'.to_string($this->sieve_handler->error_raw).'</i>'), ERROR_DIALOG);
310           }else{
311             foreach($this->scripts as $key => $data){
312               if($key == $script){
313                 $this->scripts[$key]['ACTIVE'] = TRUE;
314               }else{
315                 $this->scripts[$key]['ACTIVE'] = FALSE;
316               }
317             }
318           }
319         }
320       }
321     }
323     
324     /*************
325      * Remove script handling 
326      *************/
328     /* Remove aborted */
329     if(isset($_POST['delete_cancel'])){
330       $this->script_to_delete = -1;
331     }
333     /* Remove confirmed */
334     if($this->parent->acl_is_writeable("sieveManagement") && isset($_POST['delete_script_confirm'])){
336       $script = $this->scripts[$this->script_to_delete];
338       /* Just remove from array if it is a new script */
339       if($script['IS_NEW']){
340         unset($this->scripts[$this->script_to_delete]);
341       }else{
343         /* Get sieve */
344         if(!$this->sieve_handle = $this->get_sieve()){
345           msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot log into SIEVE server: %s"), '<br><br><i>'.to_string($this->Sieve_Error).'</i>'), ERROR_DIALOG);
346         }
348         if(!$this->sieve_handle->sieve_deletescript($this->scripts[$this->script_to_delete]['NAME'])){
349           msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot remove SIEVE script: %s"), '<br><br><i>'.to_string($this->sieve_handler->error_raw).'</i>'), ERROR_DIALOG);
350         }else{
351           unset($this->scripts[$this->script_to_delete]);
352         }
353       }
354       $this->script_to_delete = -1;
355     }
357     /* Display confirm dialog */
358     if($this->script_to_delete != -1){
359       $smarty = get_smarty();
360       $smarty->assign("Warning",msgPool::deleteInfo($this->scripts[$this->script_to_delete]['NAME']));
361       return($smarty->fetch(get_template_path("templates/remove_script.tpl",TRUE,dirname(__FILE__))));
362     }
365     /**************
366      * Save script changes 
367      **************/
369     /* Abort saving */
370     if(isset($_POST['cancel_sieve_changes'])){
371       $tmp = $this->scripts[$this->current_script]['SCRIPT_BACKUP'];
372       $this->scripts[$this->current_script]['SCRIPT'] = $tmp;
373       $this->scripts[$this->current_script]['PARSER']->parse($tmp);
374       $this->current_handler = NULL;
375     }
377     /* Save currently edited sieve script. */
378     if($this->parent->acl_is_writeable("sieveManagement") && 
379        isset($_POST['save_sieve_changes']) && 
380        is_object($this->current_handler)){
381       $chk = $this->current_handler->check();
382       if(!count($chk)){
384         $sc = $this->scripts[$this->current_script]['SCRIPT'];
385         $p = new My_Parser($this);
386         if($p -> parse($sc)){
388           if($this->scripts[$this->current_script]['MODE'] == "Source-Only"){
389             $this->scripts[$this->current_script]['MODE'] = "Source";
390           }
391   
392           $this->scripts[$this->current_script]['PARSER'] = $p;
393           $this->scripts[$this->current_script]['EDITED'] = TRUE;
394           $this->scripts[$this->current_script]['STATUS'] = TRUE;
395           $this->scripts[$this->current_script]['MSG'] = _("Edited");
396           $this->current_handler = NULL;
397         }else{
398           msg_dialog::display(_("SIEVE error"), $p->status_text, ERROR_DIALOG);
399         }
400       }else{
401         foreach($chk as $msgs){
402           msg_dialog::display(_("SIEVE error"), $msgs, ERROR_DIALOG);
403         }
404       }
405     }
408     /*************
409      * Display edit dialog 
410      *************/
412     /* Display edit dialog, depending on Mode display different uis
413      */
414     if($this->current_handler){
416         if(isset($_POST['Import_Script'])){
417           $this->Import_Script = TRUE;
418         }
420         if(isset($_POST['Import_Script_Cancel'])){
421           $this->Import_Script = FALSE;
422         }
424         if(isset($_POST['Import_Script_Save']) && isset($_FILES['Script_To_Import'])){
426           $file     = $_FILES['Script_To_Import'];
428           if($file['size'] == 0){
429             msg_dialog::display(_("Error"), _("Uploaded script is empty!"), ERROR_DIALOG);
430           }elseif(!file_exists($file['tmp_name'])){
431             msg_dialog::display(_("Internal error"), sprintf(_("Cannot access temporary file '%s'!"), $file['tmp_name']), ERROR_DIALOG);
432           }elseif(!is_readable ($file['tmp_name'])){
433             msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot open temporary file '%s'!"), $file['tmp_name']), ERROR_DIALOG);
434           }else{
435             
436             
437  
438             $contents = file_get_contents($file['tmp_name']);
439            
440             $this->scripts[$this->current_script]['SCRIPT'] = $contents;
441             if(!$this->current_handler->parse($contents)){
442               $this->scripts[$this->current_script]['MODE'] = "Source";
443             }else{
444               $this->scripts[$this->current_script]['MODE'] = "Structured";
445             }
446             $this->Script_Error = "";
447             $this->Import_Script = FALSE;
448           }
449         }
451         if($this->Import_Script){
452           $smarty = get_smarty();
453           $str = $smarty->fetch(get_template_path("templates/import_script.tpl",TRUE,dirname(__FILE__)));
454           return($str);
455         }
456   
458         /* Create dump of current sieve script */
459         if(isset($_POST['Save_Copy'])){
461             /* force download dialog */
462             header("Content-type: application/tiff\n");
463             if (preg_match('/MSIE 5.5/', $HTTP_USER_AGENT) ||
464                     preg_match('/MSIE 6.0/', $HTTP_USER_AGENT)) {
465                 header('Content-Disposition: filename="dump.script"');
466             } else {
467                 header('Content-Disposition: attachment; filename="dump.script"');
468             }
469             header("Content-transfer-encoding: binary\n");
470             header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
471             header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
472             header("Cache-Control: no-cache");
473             header("Pragma: no-cache");
474             header("Cache-Control: post-check=0, pre-check=0");
475             echo $this->scripts[$this->current_script]['SCRIPT'];
476             exit();
477         }
480       /****
481        * Add new element to ui
482        ****/
484       /* Abort add dialog */ 
485       if(isset($_POST['select_new_element_type_cancel'])){
486         $this->add_new_element = FALSE;
487       }
489       /* Add a new element */
490       if($this->add_new_element){
492         $element_types= array(
493             "sieve_keep"      => _("Keep"),
494             "sieve_comment"   => _("Comment"),
495             "sieve_fileinto"  => _("File into"),
496             "sieve_keep"      => _("Keep"),
497             "sieve_discard"   => _("Discard"),
498             "sieve_redirect"  => _("Redirect"),
499             "sieve_reject"    => _("Reject"),
500             "sieve_require"   => _("Require"),
501             "sieve_stop"      => _("Stop"),
502             "sieve_vacation"  => _("Vacation message"),
503             "sieve_if"        => _("If"));
506         /* Element selected */
507         if(isset($_POST['element_type']) && isset($element_types[$_POST['element_type']]) 
508            || isset($_POST['element_type']) &&in_array($_POST['element_type'],array("sieve_else","sieve_elsif"))){
509           $this->add_element_type = $_POST['element_type'];
510         }
512         /* Create new element and add it to
513          *  the selected position 
514          */
515         if(isset($_POST['select_new_element_type'])){
516           if($this->add_new_element_to_current_script($this->add_element_type,$this->add_new_id,$this->add_above_below)){
517             $this->add_new_element = FALSE;
518           }else{
519             msg_dialog::display(_("SIEVE error"), _("Cannot add new element!") , ERROR_DIALOG);
520           }
521         }
522       }
524       /* Only display select dialog if it is necessary */
525       if($this->add_new_element){
526         $smarty = get_smarty();
527     
528         $add_else_elsif = FALSE;
530         /* Check if we should add else/elsif to the select box 
531          *  or not. We can't add else twice!.
532          */
533         if($this->add_above_below == "below"){
535           /* Get posistion of the current element 
536            */
537           foreach($this->current_handler->tree_->pap as $key => $obj){
538         
539             if($obj->object_id == $this->add_new_id && in_array(get_class($obj),array("sieve_if","sieve_elsif"))){
540   
541               /* Get block start/end */
542               $end_id = $this->current_handler->tree_->get_block_end($key);
543               $else_found = FALSE;
544               $elsif_found = FALSE;
545           
546               /* Check if there is already an else in this block 
547                */
548               for($i =  $key ; $i < $end_id ; $i ++){
549                 if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_else"){
550                   $else_found = TRUE;
551                 }
552                 if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_elsif"){
553                   $elsif_found = TRUE;
554                 }
555               }
556   
557               /* Only allow adding 'else' if there is currently 
558                *  no 'else' statement. And don't allow adding 
559                *  'else' before 'elseif'
560                */ 
561               if(!$else_found && (!(get_class($obj) == "sieve_if" && $elsif_found))){
562                 $element_types['sieve_else'] = _("Else");
563               }
564               $element_types['sieve_elsif'] = _("Else If");
565             }
566           }
567         }
569         $smarty->assign("element_types",$element_types );
570         $smarty->assign("element_type",$this->add_element_type);
571         $str = $smarty->fetch(get_template_path("templates/add_element.tpl",TRUE,dirname(__FILE__)));
572         return($str);
573       }
577       /****************
578        * Handle test posts 
579        ****************/
581       /* handle some special posts from test elements 
582        */
583       foreach($_POST as $name => $value){
584         if(preg_match("/^Add_Test_Object_/",$name)) {
585           $name = preg_replace("/^Add_Test_Object_/","",$name);
586           $name = preg_replace("/_(x|y)$/","",$name);
588           $test_types_to_add = array(
589               "address" =>_("Address"),
590               "header"  =>_("Header"),
591               "envelope"=>_("Envelope"),
592               "size"    =>_("Size"),
593               "exists"  =>_("Exists"),
594               "allof"   =>_("All of"),
595               "anyof"   =>_("Any of"),
596               "true"    =>_("True"),
597               "false"   =>_("False"));
599           $smarty = get_smarty();
600           $smarty->assign("ID",$name);
601           $smarty->assign("test_types_to_add",$test_types_to_add);
602           $ret = $smarty->fetch(get_template_path("templates/select_test_type.tpl",TRUE,dirname(__FILE__)));
603           return($ret);
604         }
605       }
607       $current = $this->scripts[$this->current_script];
609       /* Create html results */
610       $smarty = get_smarty();
611       $smarty->assign("Mode",$current['MODE']);
612       if($current['MODE'] == "Structured"){
613         $smarty->assign("Contents",$this->current_handler->tree_->execute());
614       }else{
615         $smarty->assign("Contents",$current['SCRIPT']);
616       }
617       $smarty->assign("Script_Error",$this->Script_Error);
618       $ret = $smarty->fetch(get_template_path("templates/edit_frame_base.tpl",TRUE,dirname(__FILE__)));
619       return($ret);
620     }
623     /* Create list of available sieve scripts 
624      */
625     $List = new divSelectBox("sieveManagement");
626     foreach($this->scripts as $key => $script){
627   
628       $edited =  $script['EDITED'];
629       $active =  $script['ACTIVE'];
630       
631       $field1 = array("string" => "&nbsp;",
632                       "attach" => "style='width:20px;'");  
633       if($active){
634         $field1 = array("string" => "<img src='images/true.png' alt='"._("Active")."' 
635                                       title='"._("This script is marked as active")."'>",
636                         "attach" => "style='width:20px;'");  
637       }
638       $field2 = array("string" => $script['NAME']);  
639       $field3 = array("string" => $script['MSG']);
640       $field4 = array("string" => _("Script length").":&nbsp;".strlen($script['SCRIPT']));
642       if($this->parent->acl_is_writeable("sieveManagement")){
643         $del = "<input type='image' name='delscript_".$key."' src='images/lists/trash.png'
644                   title='"._("Remove script")."'>";
645       }else{
646         $del = "<img src='images/empty.png' alt=' '>";
647       }
649       if($active || $script['IS_NEW'] || !$this->parent->acl_is_writeable("sieveManagement")){
650         $activate = "<img src='images/empty.png' alt=' '>";
651       }else{
652         $activate = "<input type='image' name='active_script_".$key."' src='images/true.png'
653                        title='"._("Activate script")."'>";
654       }
656       $field6 = array("string" => $activate."<input type='image' name='editscript_".$key."' src='images/lists/edit.png'
657                         title='"._("Edit script")."'>".$del,
658                       "attach" => "style='border-right:0px; width:70px;'");
659       $List->AddEntry(array($field1,$field2,$field3,$field4,$field6)); 
660     }
662     $List->SetHeight(400);
663  
664     /* If the uattrib is empty   (Attribute to use for authentification with sieve)
665      *  Display a message that the connection can't be established.
666      */
667     $uattrib = $this->uattrib;
668     $smarty = get_smarty();
670     if(!$this->get_sieve()){
671       $smarty->assign("Sieve_Error",sprintf(
672         _("Can't log into SIEVE server. Server says '%s'."),
673           to_string($this->Sieve_Error)));
674     }else{
675       $smarty->assign("Sieve_Error","");
676     }
678     $smarty->assign("uattrib_empty",empty($this->parent->$uattrib));
679     $smarty->assign("List",$List->DrawList());
680     return($smarty->fetch(get_template_path("templates/management.tpl",TRUE,dirname(__FILE__))));
681   }
684   /* Add a new element to the currently opened script editor.
685    * The insert position is specified by 
686    */
687   function add_new_element_to_current_script($type,$id,$position)
688   {
689     /* Test given data */
690     if(!in_array_ics($position,array("above","below"))){
691       trigger_error("Can't add new element with \$position=".$position.". Only 'above','below' are allowed here.");
692       return(FALSE);
693     }
694     if(!is_numeric($id)){
695       trigger_error("Can't add new element, given id is not numeric.");
696       return(FALSE);
697     }
698     if(!class_available($type)){
699       if(!empty($type)){
700         trigger_error("Can't add new element, given \$class=".$class." does not exists.");
701       }
702       return(FALSE);
703     }
704     if(!is_object($this->current_handler) || get_class($this->current_handler) != "My_Parser"){
705       trigger_error("Can't add new element, there is no valid script editor opened.");
706       return(FALSE);
707     }
709     /* These element types are allowed to be added here */
710     $element_types= array(
711         "sieve_keep"      => _("Keep"),
712         "sieve_comment"   => _("Comment"),
713         "sieve_fileinto"  => _("File into"),
714         "sieve_keep"      => _("Keep"),
715         "sieve_discard"   => _("Discard"),
716         "sieve_redirect"  => _("Redirect"),
717         "sieve_reject"    => _("Reject"),
718         "sieve_require"   => _("Require"),
719         "sieve_stop"      => _("Stop"),
720         "sieve_vacation"  => _("Vacation message"),
721         "sieve_if"        => _("If"));
723     /* Check if we should add else/elsif to the select box
724      *  or not. We can't add else twice!.
725      */
727     /* Get posistion of the current element
728      */
729     foreach($this->current_handler->tree_->pap as $key => $obj){
731       if($obj->object_id == $id && in_array(get_class($obj),array("sieve_if","sieve_elsif"))){
733         /* Get block start/end */
734         $end_id = $this->current_handler->tree_->get_block_end($key);
735         $else_found = FALSE;
736         $elsif_found = FALSE;
738         /* Check if there is already an else in this block
739          */
740         for($i =  $key ; $i < $end_id ; $i ++){
741           if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_else"){
742             $else_found = TRUE;
743           }
744           if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_elsif"){
745             $elsif_found = TRUE;
746           }
747         }
749         if($this->add_above_below == "below"){
751           /* Only allow adding 'else' if there is currently
752            *  no 'else' statement. And don't allow adding
753            *  'else' before 'elseif'
754            */
755           if(!$else_found && (!(get_class($obj) == "sieve_if" && $elsif_found))){
756             $element_types['sieve_else'] = _("Else");
757           }
758           $element_types['sieve_elsif'] = _("Else If");
759         }else{
760          
761           /* Allow adding elsif above elsif */ 
762           if(in_array(get_class($obj),array("sieve_elsif"))){
763             $element_types['sieve_elsif'] = _("Else If");
764           }
765         }
766       }
767     }
769     if(!isset($element_types[$type])){
770       msg_dialog::display(_("SIEVE error"), _("Cannot insert element at the requested position!") , ERROR_DIALOG);
771       return;
772     }
775     /* Create elements we should add 
776      * -Some element require also surrounding block elements
777      */
778     $parent = $this->current_handler->tree_;
779     if($this->add_element_type == "sieve_if"){
780       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
781       $ele[] = new sieve_block_start(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
782       $ele[] = new sieve_block_end(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
783     }elseif($this->add_element_type == "sieve_else"){
784       $ele[] = new sieve_block_end(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
785       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
786       $ele[] = new sieve_block_start(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
787     }elseif($this->add_element_type == "sieve_elsif"){
788       $ele[] = new sieve_block_end(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
789       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
790       $ele[] = new sieve_block_start(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
791     }elseif($this->add_element_type == "sieve_vacation"){
793       /* Automatically add addresses to sieve alternate addresses */
794       $data = NULL;
795       $tmp = new $this->add_element_type($data, preg_replace("/[^0-9]/","",microtime()),$parent);
796       if(isset($this->parent->gosaMailAlternateAddress)){
797         $tmp->addresses = $this->parent->gosaMailAlternateAddress;
798       }
799       $ele[] = $tmp ;
800     }else{
801       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
802     }
804     /* Get index of the element identified by object_id == $id; 
805      */
806     $index = -1;
807     $data = $this->current_handler->tree_->pap;
808     foreach($data as $key => $obj){
809       if($obj->object_id == $id && $index==-1){
810         $index = $key;
811       }
812     }
814     /* Tell to user that we couldn't find the given object 
815      *  so we can't add an element. 
816      */
817     if($index == -1 ){
818       trigger_error("Can't add new element, specified \$id=".$id." could not be found in object tree.");
819       return(FALSE);
820     }
822     /* We have found the specified object_id 
823      *  and want to detect the next free position 
824      *  to insert the new element.
825      */
826     if($position == "above"){
827       $direction ="up";
828       $next_free = $this->current_handler->tree_->_get_next_free_move_slot($index,$direction,TRUE);
829     }else{
830       $direction = "down";
831       $next_free = $this->current_handler->tree_->_get_next_free_move_slot($index,$direction,TRUE);
832     }
833     /* This is extremly necessary, cause some objects 
834      *  updates the tree objects ... Somehow i should change this ... 
835      */
836     $data = $this->current_handler->tree_->pap;
837     $start = $end = array();
839     if($position == "above"){
840       $start = array_slice($data,0,$next_free);
841       $end   = array_slice($data,$next_free);
842     }else{
843       $start = array_slice($data,0,$next_free+1);
844       $end   = array_slice($data,$next_free+1);
845     }
847     $new = array();
848     foreach($start as $obj){
849       $new[] = $obj;
850     }
851     foreach($ele as $el){
852       $new[] = $el;
853     }
854     foreach($end as $obj){
855       $new[] = $obj;
856     }
857     $data= $new;
858     $this->current_handler->tree_->pap = $data;
859     return(TRUE);
860   }
864   function save_object()
865   {
866     if($this->current_handler){
868       if(isset($_GET['Add_Object_Top_ID'])){
869         $this->add_new_element    = TRUE;
870         $this->add_new_id         = $_GET['Add_Object_Top_ID'];
871         $this->add_above_below    = "above";
872       }  
874       if(isset($_GET['Add_Object_Bottom_ID'])){
875         $this->add_new_element    = TRUE;
876         $this->add_new_id         = $_GET['Add_Object_Bottom_ID'];
877         $this->add_above_below    = "below";
878       }  
880       if(isset($_GET['Remove_Object_ID'])){
881         $found_id = -1;
882         foreach($this->current_handler->tree_->pap as $key => $element){
883           if($element->object_id == $_GET['Remove_Object_ID']){
884             $found_id = $key;
885           }
886         }
887         if($found_id != -1 ){
888           $this->current_handler->tree_->remove_object($found_id);  
889         }
890       }  
891  
892       if(isset($_GET['Move_Up_Object_ID'])){
893         $found_id = -1;
894         foreach($this->current_handler->tree_->pap as $key => $element){
895           if($element->object_id == $_GET['Move_Up_Object_ID']){
896             $found_id = $key;
897           }
898         }
899         if($found_id != -1 ){
900           $this->current_handler->tree_->move_up_down($found_id,"up");
901         }
902       }  
903  
904       if(isset($_GET['Move_Down_Object_ID'])){
905         $found_id = -1;
906         foreach($this->current_handler->tree_->pap as $key => $element){
907           if($element->object_id == $_GET['Move_Down_Object_ID']){
908             $found_id = $key;
909           }
910         }
911         if($found_id != -1 ){
912           $this->current_handler->tree_->move_up_down($found_id,"down");
913         }
914       }  
915   
917       /* Check if there is an add object requested 
918        */
919       $data = $this->current_handler->tree_->pap;
920       $once = TRUE;
921       foreach($_POST as $name => $value){
922         foreach($data as $key => $obj){
923           if(isset($obj->object_id) && preg_match("/^Add_Object_Top_".$obj->object_id."_/",$name) && $once){
924             $once = FALSE;
925             $this->add_element_type   =  $_POST['element_type_'.$obj->object_id];
926             $this->add_new_element    = FALSE;
927             $this->add_new_id         = $obj->object_id;
928             $this->add_above_below    = "above";
929             $this->add_new_element_to_current_script($this->add_element_type,$this->add_new_id,$this->add_above_below);
930           }
931           if(isset($obj->object_id) && preg_match("/^Add_Object_Bottom_".$obj->object_id."_/",$name) && $once){
932             $once = FALSE;
933             $this->add_element_type   =  $_POST['element_type_'.$obj->object_id];
934             $this->add_new_element    = FALSE;
935             $this->add_new_id         = $obj->object_id;
936             $this->add_above_below    = "below";
937             $this->add_new_element_to_current_script($this->add_element_type,$this->add_new_id,$this->add_above_below);
938           }
939         
940           if(isset($obj->object_id) && preg_match("/^Remove_Object_".$obj->object_id."_/",$name) && $once){
941             $once = FALSE;
942             $this->current_handler->tree_->remove_object($key);
943           }
944           if(isset($obj->object_id) && preg_match("/^Move_Up_Object_".$obj->object_id."_/",$name) && $once){
945             $this->current_handler->tree_->move_up_down($key,"up");
946             $once = FALSE;
947           }
948           if(isset($obj->object_id) && preg_match("/^Move_Down_Object_".$obj->object_id."_/",$name) && $once){
949             $this->current_handler->tree_->move_up_down($key,"down");
950             $once = FALSE;
951           }
952         }
953       }
955       /* Skip Mode changes and Parse tests 
956        *  if we are currently in a subdialog 
957        */
959       $this->current_handler->save_object();
960       $Mode = $this->scripts[$this->current_script]['MODE'];
961       $skip_mode_change = false;
962       if(in_array($Mode,array("Source-Only","Source"))){
963         if(isset($_POST['script_contents'])){
964           $sc = stripslashes($_POST['script_contents']);
965           $this->scripts[$this->current_script]['SCRIPT'] = $sc;
966           $p = new My_Parser($this);
967           if($p -> parse($sc)){
968             $this->Script_Error = "";
969           } else {
970             $this->Script_Error = $p->status_text;
971             $skip_mode_change = TRUE;
972           }
973         }
974       }
975       if(in_array($Mode,array("Structured"))){
976         $sc = $this->current_handler->get_sieve_script();
977         $this->scripts[$this->current_script]['SCRIPT'] = $sc;
978         $p = new My_Parser($this);
979         if($p -> parse($sc)){
980           $this->Script_Error = "";
981         } else {
982           $this->Script_Error = $p->status_text;
983           $skip_mode_change = TRUE;
984         }
985       }
986       if(!$skip_mode_change){
987         if($this->scripts[$this->current_script]['MODE'] != "Source-Only"){
988           $old_mode = $this->scripts[$this->current_script]['MODE'];
989           if(isset($_POST['View_Source'])){
990             $this->scripts[$this->current_script]['MODE'] = "Source";
991           }
992           if(isset($_POST['View_Structured'])){
993             $this->scripts[$this->current_script]['MODE'] = "Structured";
994           }
995           $new_mode = $this->scripts[$this->current_script]['MODE'];
997           if($old_mode != $new_mode){
999             $sc = $this->scripts[$this->current_script]['SCRIPT'];
1000             $p = new My_Parser($this);
1002             if($p -> parse($sc)){
1003               $this->current_handler->parse($sc);
1004               $this->Script_Error = "";
1005             } else {
1006               $this->Script_Error = $p->status_text;
1007             }
1008           } 
1009         }
1010       }
1011     }
1012   }
1014   
1015   function get_used_script_names()
1016   {
1017     $ret = array();
1018     foreach($this->scripts as $script){
1019       $ret[] = $script['NAME'];
1020     }
1021     return($ret);
1022   }
1026   function save()
1027   {
1028     /* Get sieve */
1029     if(!$this->sieve_handle = $this->get_sieve()){
1030       msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot log into SIEVE server: %s"), '<br><br><i>'.to_string($this->Sieve_Error).'</i>'), ERROR_DIALOG);
1031       return;
1032     }
1034     $everything_went_fine = TRUE;
1036     foreach($this->scripts as $key => $script){
1037       if($script['EDITED']){
1038         $data = $this->scripts[$key]['SCRIPT'];
1039         if(!$this->sieve_handle->sieve_sendscript($script['NAME'], addcslashes ($data,"\\"))){
1040           new log("modify","users/mailAccount".get_class($this),$script['NAME'],"Failed to save sieve script named '".$script['NAME']."': ".to_string($this->sieve_handle->error_raw));
1042           $everything_went_fine = FALSE;
1043           msg_dialog::display(_("SIEVE error"), sprintf(_("Cannot store SIEVE script: %s"), '<br><br><i>'.to_string($this->sieve_handle->error_raw).'</i>'), ERROR_DIALOG);
1044           $this->scripts[$key]['MSG'] = "<font color='red'>".
1045                                            _("Failed to save sieve script").": ".
1046                                            to_string($this->sieve_handle->error_raw).
1047                                            "</font>";
1048         }
1049       }
1050     }
1051     return($everything_went_fine);
1052   }
1054 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1055 ?>