Code

Fixed class check
[gosa.git] / include / 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;
57   var $acl = "";
59   /* Initialize the class and load all sieve scripts 
60    *  try to parse them and display errors 
61    */ 
62   function sieveManagement($config,$dn,$parent,$uattrib)
63   {
64     /* Use mail Acls here */    
65     $ui = get_userinfo();
66     $acl= get_permissions ($ui->dn, $ui->subtreeACL);
67     $this->acl= get_module_permission($acl, "mailAccount", $ui->dn);
69     /* Check given parameter */
70     if(!isset($parent->$uattrib)){
71       trigger_error("Sieve Management implementation error. Parameter 4 must be part of the given parent element.");
72     }
74     $this->uattrib = $uattrib;
75     $this->parent = $parent;
76     plugin::plugin($config,$dn);
78     /* Get sieve, if this fail abort class initialization */
79     if(!$this->sieve_handle = $this->get_sieve()){
80       return;
81     }
84     /* Get all sieve scripts names */
85     if($this->sieve_handle->sieve_listscripts()){
86       if (is_array($this->sieve_handle->response)){
87         foreach($this->sieve_handle->response as $key => $name){
89           $data = array();
90           $data['NAME'] = $name;
92           if($key == "ACTIVE" && $key === "ACTIVE"){
93             $data['ACTIVE'] = TRUE;
94           }else{
95             $data['ACTIVE'] = FALSE;
96           }
97           $this->scripts[] = $data;          
98         }
99       } 
100     }
102     /* Get script contents */
103     foreach($this->scripts as $key => $script){
104       $p = new My_Parser($this);
105       $this->sieve_handle->sieve_getscript($script['NAME']);
107       $script = "";
108       foreach($this->sieve_handle->response as $line){
109         $script.=$line;
110       }
112       $this->scripts[$key]['IS_NEW'] = FALSE;;
113       $this->scripts[$key]['SCRIPT'] = $script;
114       $this->scripts[$key]['ORIG_SCRIPT'] = $script;
115       $this->scripts[$key]['MSG']   = "";
116       $ret = $p->parse($script);
117       if(!$ret){
118         $this->scripts[$key]['STATUS']   = FALSE;
119         $this->scripts[$key]['MODE']    = "Source";
120         $this->scripts[$key]['MSG'] = _("Parse failed")."<font color='red'>".$p->status_text."</font>";
121       }else{
122         $this->scripts[$key]['STATUS']   = TRUE;
123         $this->scripts[$key]['MODE']    = "Structured";
124         $this->scripts[$key]['MSG'] = _("Parse successful");
125       }
126       $this->scripts[$key]['PARSER'] = $p;
127       $this->scripts[$key]['EDITED'] = FALSE;
128     }
129     $this->sieve_handle = $this->sieve_handle;
130   }
133   /* Return a sieve class handle,
134    *  false if login fails
135    */
136   function get_sieve()
137   {
138     
139     /* Connect to sieve class and try to get all available sieve scripts */
140     if(isset($this->config->data['SERVERS']['IMAP'][$this->parent->gosaMailServer])){
141       $cfg=  $this->config->data['SERVERS']['IMAP'][$this->parent->gosaMailServer];
142       $this->Sieve_Error = "";
144       $uattrib = $this->uattrib;
146       /* Log into the mail server */
147       $this->sieve_handle= new sieve(
148           $cfg["sieve_server"], 
149           $cfg["sieve_port"], 
150           $this->parent->$uattrib, 
151           $cfg["password"], 
152           $cfg["admin"]);
154       /* Try to login */
155       if (!@$this->sieve_handle->sieve_login()){
156         $this->Sieve_Error = $this->sieve_handle->error_raw;
157         return(FALSE);
158       }
159       return($this->sieve_handle);
160     }else{
161       $this->Sieve_Error = sprintf(_("The specified mail server '%s' does not exist within the GOsa configuration."),
162         $this->parent->gosaMailServer);
163       return(FALSE);
164     }
165   }
168   /* Handle sieve list 
169    */
170   function execute()
171   {
172     /***************
173      * Create a new Script 
174      ***************/
176     /* Force opening the add script dialog */
177     if(isset($_POST['create_new_script'])){
178       $this->create_script = TRUE;
179     }
181     /* Close add script dialog, without adding a new one */
182     if(isset($_POST['create_script_cancel'])){
183       $this->create_script = FALSE;
184     }
186     /* Display create script dialog 
187      *  handle posts, display warnings if specified 
188      *  name is not useable. 
189      * Create a new script with given name
190      */
191     if($this->create_script){
192     
193       /* Set initial name or used posted name if available */
194       $name = "";
195       if(isset($_POST['NewScriptName'])){
196         $name = trim($_POST['NewScriptName']);
197       }
198  
199       /* Check given name */ 
200       $err = false;
202       /* Is given name in lower case characters ? */
203       if(isset($_POST['create_script_save'])){
204         if(!strlen($name)){
205           $err =true;
206           print_red(_("You should specify a name for your new script."));
207         }
208         /* Is given name in lower case characters ? */
209         if($name != strtolower($name)){
210           $err =true;
211           print_red(_("Only lower case names are allowed."));
212         }
214         /* Only chars are allowed here */
215         if(preg_match("/[^a-z]/i",$name)){
216           $err =true;
217           print_red(_("Only alphabetical characters are allowed in script names."));
218         }
220         $tmp = $this->get_used_script_names();
221         if(in_array_ics($name,$tmp)){
222           $err =true;
223           print_red(_("The specified name is already in use."));
224         }
225       }
227       /* Create script if everything is ok */
228       if($this->create_script && isset($_POST['create_script_save']) && !$err){
230         /* Close dialog */
231         $this->create_script = FALSE;
233         /* Script contents to use */
234         $script = "/*New script */".
235                   "stop;";
237         /* Create a new parser and initialize default values */
238         $p = new My_Parser($this);
239         $ret = $p->parse($script);
240         $sc['SCRIPT'] = $script;
241         $sc['ORIG_SCRIPT'] = $script;
242         $sc['IS_NEW'] = TRUE;
243         $sc['MSG']   = "";
244         if(!$ret){
245           $sc['STATUS']   = FALSE;
246           $sc['MODE']    = "Source";
247           $sc['MSG'] = _("Parse failed")."<font color='red'>".$p->status_text."</font>";
248         }else{
249           $sc['STATUS']   = TRUE;
250           $sc['MODE']    = "Structured";
251           $sc['MSG'] = _("Parse successful");
252         }
253         $sc['PARSER'] = $p;
254         $sc['EDITED'] = TRUE;
255         $sc['ACTIVE'] = FALSE;
256         $sc['NAME']   = $name;
257       
258         /* Add script */
259         $this->scripts[$name] = $sc;
260       }else{
261       
262         /* Display dialog to enter new script name */
263         $smarty = get_smarty();
264         $smarty->assign("NewScriptName",$name);
265         return($smarty->fetch(get_template_path("templates/create_script.tpl",TRUE,dirname(__FILE__))));
266       }
267     }
270     /*************
271      * Handle several posts 
272      *************/
274     $once = TRUE;
275     foreach($_POST as $name => $value){
277       /* Edit script requested */
278       if(preg_match("/^editscript_/",$name) && $once && !$this->current_handler){
279         $script = preg_replace("/^editscript_/","",$name);
280         $script = preg_replace("/_(x|y)/","",$script);
281         $once = FALSE;
283         $this->current_script = $script;
284         $this->current_handler = $this->scripts[$script]['PARSER'];
285         $this->scripts[$script]['SCRIPT_BACKUP'] = $this->scripts[$script]['SCRIPT'];
286       }
288       /* remove script requested */
289       if(chkacl($this->acl,"sieveManagement") == "" && preg_match("/^delscript_/",$name) && $once && !$this->current_handler){
290         $script = preg_replace("/^delscript_/","",$name);
291         $script = preg_replace("/_(x|y)/","",$script);
292         $once = FALSE;
293         $this->script_to_delete = $script;  
294       }
296       /* Activate script */
297       if(chkacl($this->acl,"sieveManagement") == "" && preg_match("/^active_script_/",$name) && $once && !$this->current_handler){
298         $script = preg_replace("/^active_script_/","",$name);
299         $script = preg_replace("/_(x|y)/","",$script);
300         $once = FALSE;
302         /* We can only activate existing scripts */
303         if(!$this->scripts[$script]['IS_NEW']){
305           /* Get sieve */
306           if(!$this->sieve_handle = $this->get_sieve()){
307             print_red(
308                 sprintf(
309                   _("Can't log into SIEVE server. Server says '%s'."),
310                   to_string($this->Sieve_Error)));
311           }
313           /* Try to activate the given script and update 
314            *  class script array. 
315            */
316           if(!$this->sieve_handle->sieve_setactivescript($this->scripts[$script]['NAME'])){
317             print_red(sprintf(_("Can't activate sieve script on server. Server says '%s'."),to_string($this->sieve_handle->error_raw)));
318           }else{
319             foreach($this->scripts as $key => $data){
320               if($key == $script){
321                 $this->scripts[$key]['ACTIVE'] = TRUE;
322               }else{
323                 $this->scripts[$key]['ACTIVE'] = FALSE;
324               }
325             }
326           }
327         }
328       }
329     }
331     
332     /*************
333      * Remove script handling 
334      *************/
336     /* Remove aborted */
337     if(isset($_POST['delete_cancel'])){
338       $this->script_to_delete = -1;
339     }
341     /* Remove confirmed */
342     if(chkacl($this->acl,"sieveManagement") == "" && isset($_POST['delete_script_confirm'])){
344       $script = $this->scripts[$this->script_to_delete];
346       /* Just remove from array if it is a new script */
347       if($script['IS_NEW']){
348         unset($this->scripts[$this->script_to_delete]);
349       }else{
351         /* Get sieve */
352         if(!$this->sieve_handle = $this->get_sieve()){
353           print_red(
354               sprintf(
355                 _("Can't log into SIEVE server. Server says '%s'."),
356                 to_string($this->Sieve_Error)));
357         }
359         if(!$this->sieve_handle->sieve_deletescript($this->scripts[$this->script_to_delete]['NAME'])){
360           print_red(sprintf(_("Can't remove sieve script from server. Server says '%s'."),to_string($this->sieve_handle->error_raw)));
361         }else{
362           unset($this->scripts[$this->script_to_delete]);
363         }
364       }
365       $this->script_to_delete = -1;
366     }
368     /* Display confirm dialog */
369     if($this->script_to_delete != -1){
370       $smarty = get_smarty();
371       $smarty->assign("Warning",
372           sprintf(_("You are going to remove the sieve script '%s' from your mail server."),
373             $this->scripts[$this->script_to_delete]['NAME']));
374       return($smarty->fetch(get_template_path("templates/remove_script.tpl",TRUE,dirname(__FILE__))));
375     }
378     /**************
379      * Save script changes 
380      **************/
382     /* Abort saving */
383     if(isset($_POST['cancel_sieve_changes'])){
384       $tmp = $this->scripts[$this->current_script]['SCRIPT_BACKUP'];
385       $this->scripts[$this->current_script]['SCRIPT'] = $tmp;
386       $this->scripts[$this->current_script]['PARSER']->parse($tmp);
387       $this->current_handler = NULL;
388     }
390     /* Save currently edited sieve script. */
391     if(chkacl($this->acl,"sieveManagement") == "" && 
392        isset($_POST['save_sieve_changes']) && 
393        is_object($this->current_handler)){
394       $chk = $this->current_handler->check();
395       if(!count($chk)){
397         $sc = $this->scripts[$this->current_script]['SCRIPT'];
398         $p = new My_Parser($this);
399         if($p -> parse($sc)){
401           if($this->scripts[$this->current_script]['MODE'] == "Source-Only"){
402             $this->scripts[$this->current_script]['MODE'] = "Source";
403           }
404   
405           $this->scripts[$this->current_script]['PARSER'] = $p;
406           $this->scripts[$this->current_script]['EDITED'] = TRUE;
407           $this->scripts[$this->current_script]['STATUS'] = TRUE;
408           $this->scripts[$this->current_script]['MSG'] = _("Edited");
409           $this->current_handler = NULL;
410         }else{
411           print_red($p->status_text);;
412         }
413       }else{
414         foreach($chk as $msgs){
415           print_red(sprintf(_("Please fix all errors before saving. Last error was : %s"),$msgs));
416         }
417       }
418     }
421     /*************
422      * Display edit dialog 
423      *************/
425     /* Display edit dialog, depending on Mode display different uis
426      */
427     if($this->current_handler){
429         if(isset($_POST['Import_Script'])){
430           $this->Import_Script = TRUE;
431         }
433         if(isset($_POST['Import_Script_Cancel'])){
434           $this->Import_Script = FALSE;
435         }
437         if(isset($_POST['Import_Script_Save']) && isset($_FILES['Script_To_Import'])){
439           $file     = $_FILES['Script_To_Import'];
441           if($file['size'] == 0){
442             print_red(_("Specified file seems to be empty."));
443           }elseif(!file_exists($file['tmp_name'])){
444             print_red(_("Upload failed, somehow nothing was uploaded or the temporary file can't be accessed."));
445           }elseif(!is_readable ($file['tmp_name'])){
446             print_red(sprintf(_("Can't open file '%s' to read uploaded file contents."),$file['tmp_name']));
447           }else{
448             
449             
450  
451             $contents = file_get_contents($file['tmp_name']);
452            
453             $this->scripts[$this->current_script]['SCRIPT'] = $contents;
454             if(!$this->current_handler->parse($contents)){
455               $this->scripts[$this->current_script]['MODE'] = "Source";
456             }else{
457               $this->scripts[$this->current_script]['MODE'] = "Structured";
458             }
459             $this->Script_Error = "";
460             $this->Import_Script = FALSE;
461           }
462         }
464         if($this->Import_Script){
465           $smarty = get_smarty();
466           $str = $smarty->fetch(get_template_path("templates/import_script.tpl",TRUE,dirname(__FILE__)));
467           return($str);
468         }
469   
471         /* Create dump of current sieve script */
472         if(isset($_POST['Save_Copy'])){
474             /* force download dialog */
475             header("Content-type: application/tiff\n");
476             if (preg_match('/MSIE 5.5/', $HTTP_USER_AGENT) ||
477                     preg_match('/MSIE 6.0/', $HTTP_USER_AGENT)) {
478                 header('Content-Disposition: filename="dump.script"');
479             } else {
480                 header('Content-Disposition: attachment; filename="dump.script"');
481             }
482             header("Content-transfer-encoding: binary\n");
483             header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
484             header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
485             header("Cache-Control: no-cache");
486             header("Pragma: no-cache");
487             header("Cache-Control: post-check=0, pre-check=0");
488             echo $this->scripts[$this->current_script]['SCRIPT'];
489             exit();
490         }
493       /****
494        * Add new element to ui
495        ****/
497       /* Abort add dialog */ 
498       if(isset($_POST['select_new_element_type_cancel'])){
499         $this->add_new_element = FALSE;
500       }
502       /* Add a new element */
503       if($this->add_new_element){
505         $element_types= array(
506             "sieve_keep"      => _("Keep"),
507             "sieve_comment"   => _("Comment"),
508             "sieve_fileinto"  => _("File into"),
509             "sieve_keep"      => _("Keep"),
510             "sieve_discard"   => _("Discard"),
511             "sieve_redirect"  => _("Redirect"),
512             "sieve_reject"    => _("Reject"),
513             "sieve_require"   => _("Require"),
514             "sieve_stop"      => _("Stop"),
515             "sieve_vacation"  => _("Vacation message"),
516             "sieve_if"        => _("If"));
519         /* Element selected */
520         if(isset($_POST['element_type']) && isset($element_types[$_POST['element_type']]) 
521            || isset($_POST['element_type']) &&in_array($_POST['element_type'],array("sieve_else","sieve_elsif"))){
522           $this->add_element_type = $_POST['element_type'];
523         }
525         /* Create new element and add it to
526          *  the selected position 
527          */
528         if(isset($_POST['select_new_element_type'])){
529           if($this->add_new_element_to_current_script($this->add_element_type,$this->add_new_id,$this->add_above_below)){
530             $this->add_new_element = FALSE;
531           }else{
532             print_red(_("Failed to add new element."));
533           }
534         }
535       }
537       /* Only display select dialog if it is necessary */
538       if($this->add_new_element){
539         $smarty = get_smarty();
540     
541         $add_else_elsif = FALSE;
543         /* Check if we should add else/elsif to the select box 
544          *  or not. We can't add else twice!.
545          */
546         if($this->add_above_below == "below"){
548           /* Get posistion of the current element 
549            */
550           foreach($this->current_handler->tree_->pap as $key => $obj){
551         
552             if($obj->object_id == $this->add_new_id && in_array(get_class($obj),array("sieve_if","sieve_elsif"))){
553   
554               /* Get block start/end */
555               $end_id = $this->current_handler->tree_->get_block_end($key);
556               $else_found = FALSE;
557               $elsif_found = FALSE;
558           
559               /* Check if there is already an else in this block 
560                */
561               for($i =  $key ; $i < $end_id ; $i ++){
562                 if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_else"){
563                   $else_found = TRUE;
564                 }
565                 if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_elsif"){
566                   $elsif_found = TRUE;
567                 }
568               }
569   
570               /* Only allow adding 'else' if there is currently 
571                *  no 'else' statement. And don't allow adding 
572                *  'else' before 'elseif'
573                */ 
574               if(!$else_found && (!(get_class($obj) == "sieve_if" && $elsif_found))){
575                 $element_types['sieve_else'] = _("Else");
576               }
577               $element_types['sieve_elsif'] = _("Else If");
578             }
579           }
580         }
582         $smarty->assign("element_types",$element_types );
583         $smarty->assign("element_type",$this->add_element_type);
584         $str = $smarty->fetch(get_template_path("templates/add_element.tpl",TRUE,dirname(__FILE__)));
585         return($str);
586       }
590       /****************
591        * Handle test posts 
592        ****************/
594       /* handle some special posts from test elements 
595        */
596       foreach($_POST as $name => $value){
597         if(preg_match("/^Add_Test_Object_/",$name)) {
598           $name = preg_replace("/^Add_Test_Object_/","",$name);
599           $name = preg_replace("/_(x|y)$/","",$name);
601           $test_types_to_add = array(
602               "address" =>_("Address"),
603               "header"  =>_("Header"),
604               "envelope"=>_("Envelope"),
605               "size"    =>_("Size"),
606               "exists"  =>_("Exists"),
607               "allof"   =>_("All of"),
608               "anyof"   =>_("Any of"),
609               "true"    =>_("True"),
610               "false"   =>_("False"));
612           $smarty = get_smarty();
613           $smarty->assign("ID",$name);
614           $smarty->assign("test_types_to_add",$test_types_to_add);
615           $ret = $smarty->fetch(get_template_path("templates/select_test_type.tpl",TRUE,dirname(__FILE__)));
616           return($ret);
617         }
618       }
620       $current = $this->scripts[$this->current_script];
622       /* Create html results */
623       $smarty = get_smarty();
624       $smarty->assign("Mode",$current['MODE']);
625       if($current['MODE'] == "Structured"){
626         $smarty->assign("Contents",$this->current_handler->tree_->execute());
627       }else{
628         $smarty->assign("Contents",$current['SCRIPT']);
629       }
630       $smarty->assign("Script_Error",$this->Script_Error);
631       $ret = $smarty->fetch(get_template_path("templates/edit_frame_base.tpl",TRUE,dirname(__FILE__)));
632       return($ret);
633     }
636     /* Create list of available sieve scripts 
637      */
638     $List = new divSelectBox("sieveManagement");
639     foreach($this->scripts as $key => $script){
640   
641       $edited =  $script['EDITED'];
642       $active =  $script['ACTIVE'];
643       
644       $field1 = array("string" => "&nbsp;",
645                       "attach" => "style='width:20px;'");  
646       if($active){
647         $field1 = array("string" => "<img src='images/true.png' alt='"._("Active")."' 
648                                       title='"._("This script is marked as active")."'>",
649                         "attach" => "style='width:20px;'");  
650       }
651       $field2 = array("string" => $script['NAME']);  
652       $field3 = array("string" => $script['MSG']);
653       $field4 = array("string" => _("Script length").":&nbsp;".strlen($script['SCRIPT']));
655       if(chkacl($this->acl,"sieveManagement") == ""){
656         $del = "<input type='image' name='delscript_".$key."' src='images/edittrash.png'
657                   title='"._("Remove script")."'>";
658       }else{
659         $del = "<img src='images/empty' alt=' '>";
660       }
662       if($active || $script['IS_NEW'] || chkacl($this->acl,"sieveManagement") != ""){
663         $activate = "<img src='images/empty' alt=' '>";
664       }else{
665         $activate = "<input type='image' name='active_script_".$key."' src='images/true.png'
666                        title='"._("Activate script")."'>";
667       }
669       $field6 = array("string" => $activate."<input type='image' name='editscript_".$key."' src='images/edit.png'
670                         title='"._("Edit script")."'>".$del,
671                       "attach" => "style='border-right:0px; width:70px;'");
672       $List->AddEntry(array($field1,$field2,$field3,$field4,$field6)); 
673     }
675     $List->SetHeight(400);
676  
677     /* If the uattrib is empty   (Attribute to use for authentification with sieve)
678      *  Display a message that the connection can't be established.
679      */
680     $uattrib = $this->uattrib;
681     $smarty = get_smarty();
683     if(!$this->get_sieve()){
684       $smarty->assign("Sieve_Error",sprintf(
685         _("Can't log into SIEVE server. Server says '%s'."),
686           to_string($this->Sieve_Error)));
687     }else{
688       $smarty->assign("Sieve_Error","");
689     }
691     $smarty->assign("uattrib_empty",empty($this->parent->$uattrib));
692     $smarty->assign("List",$List->DrawList());
693     return($smarty->fetch(get_template_path("templates/management.tpl",TRUE,dirname(__FILE__))));
694   }
697   /* Add a new element to the currently opened script editor.
698    * The insert position is specified by 
699    */
700   function add_new_element_to_current_script($type,$id,$position)
701   {
702     /* Test given data */
703     if(!in_array_ics($position,array("above","below"))){
704       trigger_error("Can't add new element with \$position=".$position.". Only 'above','below' are allowed here.");
705       return(FALSE);
706     }
707     if(!is_numeric($id)){
708       trigger_error("Can't add new element, given id is not numeric.");
709       return(FALSE);
710     }
711     $tmp = get_declared_classes();  
712     if(!in_array($type,$tmp)){
713       if(!empty($type)){
714         trigger_error("Can't add new element, given \$class=".$class." does not exists.");
715       }
716       return(FALSE);
717     }
718   
719     if(!is_object($this->current_handler) || !preg_match("/My_Parser/i",get_class($this->current_handler))){
720       trigger_error("Can't add new element, there is no valid script editor opened.");
721       return(FALSE);
722     }
724     /* These element types are allowed to be added here */
725     $element_types= array(
726         "sieve_keep"      => _("Keep"),
727         "sieve_comment"   => _("Comment"),
728         "sieve_fileinto"  => _("File into"),
729         "sieve_keep"      => _("Keep"),
730         "sieve_discard"   => _("Discard"),
731         "sieve_redirect"  => _("Redirect"),
732         "sieve_reject"    => _("Reject"),
733         "sieve_require"   => _("Require"),
734         "sieve_stop"      => _("Stop"),
735         "sieve_vacation"  => _("Vacation message"),
736         "sieve_if"        => _("If"));
738     /* Check if we should add else/elsif to the select box
739      *  or not. We can't add else twice!.
740      */
742     /* Get posistion of the current element
743      */
744     foreach($this->current_handler->tree_->pap as $key => $obj){
746       if($obj->object_id == $id && in_array(get_class($obj),array("sieve_if","sieve_elsif"))){
748         /* Get block start/end */
749         $end_id = $this->current_handler->tree_->get_block_end($key);
750         $else_found = FALSE;
751         $elsif_found = FALSE;
753         /* Check if there is already an else in this block
754          */
755         for($i =  $key ; $i < $end_id ; $i ++){
756           if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_else"){
757             $else_found = TRUE;
758           }
759           if(get_class($this->current_handler->tree_->pap[$i]) == "sieve_elsif"){
760             $elsif_found = TRUE;
761           }
762         }
764         if($this->add_above_below == "below"){
766           /* Only allow adding 'else' if there is currently
767            *  no 'else' statement. And don't allow adding
768            *  'else' before 'elseif'
769            */
770           if(!$else_found && (!(get_class($obj) == "sieve_if" && $elsif_found))){
771             $element_types['sieve_else'] = _("Else");
772           }
773           $element_types['sieve_elsif'] = _("Else If");
774         }else{
775          
776           /* Allow adding elsif above elsif */ 
777           if(in_array(get_class($obj),array("sieve_elsif"))){
778             $element_types['sieve_elsif'] = _("Else If");
779           }
780         }
781       }
782     }
784     if(!isset($element_types[$type])){
785       print_red(sprintf(_("Can't add the specified element at the given position.")));
786       return;
787     }
790     /* Create elements we should add 
791      * -Some element require also surrounding block elements
792      */
793     $parent = $this->current_handler->tree_;
794     if($this->add_element_type == "sieve_if"){
795       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
796       $ele[] = new sieve_block_start(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
797       $ele[] = new sieve_block_end(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
798     }elseif($this->add_element_type == "sieve_else"){
799       $ele[] = new sieve_block_end(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
800       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
801       $ele[] = new sieve_block_start(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
802     }elseif($this->add_element_type == "sieve_elsif"){
803       $ele[] = new sieve_block_end(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
804       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
805       $ele[] = new sieve_block_start(NULL,preg_replace("/[^0-9]/","",microtime()),$parent);
806     }else{
807       $ele[] = new $this->add_element_type(NULL, preg_replace("/[^0-9]/","",microtime()),$parent);
808     }
810     /* Get index of the element identified by object_id == $id; 
811      */
812     $index = -1;
813     $data = $this->current_handler->tree_->pap;
814     foreach($data as $key => $obj){
815       if($obj->object_id == $id && $index==-1){
816         $index = $key;
817       }
818     }
820     /* Tell to user that we couldn't find the given object 
821      *  so we can't add an element. 
822      */
823     if($index == -1 ){
824       trigger_error("Can't add new element, specified \$id=".$id." could not be found in object tree.");
825       return(FALSE);
826     }
828     /* We have found the specified object_id 
829      *  and want to detect the next free position 
830      *  to insert the new element.
831      */
832     if($position == "above"){
833       $direction ="up";
834       $next_free = $this->current_handler->tree_->_get_next_free_move_slot($index,$direction,TRUE);
835     }else{
836       $direction = "down";
837       $next_free = $this->current_handler->tree_->_get_next_free_move_slot($index,$direction,TRUE);
838     }
839     /* This is extremly necessary, cause some objects 
840      *  updates the tree objects ... Somehow i should change this ... 
841      */
842     $data = $this->current_handler->tree_->pap;
843     $start = $end = array();
845     if($position == "above"){
846       $start = array_slice($data,0,$next_free);
847       $end   = array_slice($data,$next_free);
848     }else{
849       $start = array_slice($data,0,$next_free+1);
850       $end   = array_slice($data,$next_free+1);
851     }
853     $new = array();
854     foreach($start as $obj){
855       $new[] = $obj;
856     }
857     foreach($ele as $el){
858       $new[] = $el;
859     }
860     foreach($end as $obj){
861       $new[] = $obj;
862     }
863     $data= $new;
864     $this->current_handler->tree_->pap = $data;
865     return(TRUE);
866   }
870   function save_object()
871   {
872     if($this->current_handler){
874       if(isset($_GET['Add_Object_Top_ID'])){
875         $this->add_new_element    = TRUE;
876         $this->add_new_id         = $_GET['Add_Object_Top_ID'];
877         $this->add_above_below    = "above";
878       }  
880       if(isset($_GET['Add_Object_Bottom_ID'])){
881         $this->add_new_element    = TRUE;
882         $this->add_new_id         = $_GET['Add_Object_Bottom_ID'];
883         $this->add_above_below    = "below";
884       }  
886       if(isset($_GET['Remove_Object_ID'])){
887         $found_id = -1;
888         foreach($this->current_handler->tree_->pap as $key => $element){
889           if($element->object_id == $_GET['Remove_Object_ID']){
890             $found_id = $key;
891           }
892         }
893         if($found_id != -1 ){
894           $this->current_handler->tree_->remove_object($found_id);  
895         }
896       }  
897  
898       if(isset($_GET['Move_Up_Object_ID'])){
899         $found_id = -1;
900         foreach($this->current_handler->tree_->pap as $key => $element){
901           if($element->object_id == $_GET['Move_Up_Object_ID']){
902             $found_id = $key;
903           }
904         }
905         if($found_id != -1 ){
906           $this->current_handler->tree_->move_up_down($found_id,"up");
907         }
908       }  
909  
910       if(isset($_GET['Move_Down_Object_ID'])){
911         $found_id = -1;
912         foreach($this->current_handler->tree_->pap as $key => $element){
913           if($element->object_id == $_GET['Move_Down_Object_ID']){
914             $found_id = $key;
915           }
916         }
917         if($found_id != -1 ){
918           $this->current_handler->tree_->move_up_down($found_id,"down");
919         }
920       }  
921   
923       /* Check if there is an add object requested 
924        */
925       $data = $this->current_handler->tree_->pap;
926       $once = TRUE;
927       foreach($_POST as $name => $value){
928         foreach($data as $key => $obj){
929           if(isset($obj->object_id) && preg_match("/^Add_Object_Top_".$obj->object_id."_/",$name) && $once){
930             $once = FALSE;
931             $this->add_element_type   =  $_POST['element_type_'.$obj->object_id];
932             $this->add_new_element    = FALSE;
933             $this->add_new_id         = $obj->object_id;
934             $this->add_above_below    = "above";
935             $this->add_new_element_to_current_script($this->add_element_type,$this->add_new_id,$this->add_above_below);
936           }
937           if(isset($obj->object_id) && preg_match("/^Add_Object_Bottom_".$obj->object_id."_/",$name) && $once){
938             $once = FALSE;
939             $this->add_element_type   =  $_POST['element_type_'.$obj->object_id];
940             $this->add_new_element    = FALSE;
941             $this->add_new_id         = $obj->object_id;
942             $this->add_above_below    = "below";
943             $this->add_new_element_to_current_script($this->add_element_type,$this->add_new_id,$this->add_above_below);
944           }
945         
946           if(isset($obj->object_id) && preg_match("/^Remove_Object_".$obj->object_id."_/",$name) && $once){
947             $once = FALSE;
948             $this->current_handler->tree_->remove_object($key);
949           }
950           if(isset($obj->object_id) && preg_match("/^Move_Up_Object_".$obj->object_id."_/",$name) && $once){
951             $this->current_handler->tree_->move_up_down($key,"up");
952             $once = FALSE;
953           }
954           if(isset($obj->object_id) && preg_match("/^Move_Down_Object_".$obj->object_id."_/",$name) && $once){
955             $this->current_handler->tree_->move_up_down($key,"down");
956             $once = FALSE;
957           }
958         }
959       }
961       /* Skip Mode changes and Parse tests 
962        *  if we are currently in a subdialog 
963        */
965       $this->current_handler->save_object();
966       $Mode = $this->scripts[$this->current_script]['MODE'];
967       $skip_mode_change = false;
968       if(in_array($Mode,array("Source-Only","Source"))){
969         if(isset($_POST['script_contents'])){
970           $sc = stripslashes($_POST['script_contents']);
971           $this->scripts[$this->current_script]['SCRIPT'] = $sc;
972           $p = new My_Parser($this);
973           if($p -> parse($sc)){
974             $this->Script_Error = "";
975           } else {
976             $this->Script_Error = $p->status_text;
977             $skip_mode_change = TRUE;
978           }
979         }
980       }
981       if(in_array($Mode,array("Structured"))){
982         $sc = $this->current_handler->get_sieve_script();
983         $this->scripts[$this->current_script]['SCRIPT'] = $sc;
984         $p = new My_Parser($this);
985         if($p -> parse($sc)){
986           $this->Script_Error = "";
987         } else {
988           $this->Script_Error = $p->status_text;
989           $skip_mode_change = TRUE;
990         }
991       }
992       if(!$skip_mode_change){
993         if($this->scripts[$this->current_script]['MODE'] != "Source-Only"){
994           $old_mode = $this->scripts[$this->current_script]['MODE'];
995           if(isset($_POST['View_Source'])){
996             $this->scripts[$this->current_script]['MODE'] = "Source";
997           }
998           if(isset($_POST['View_Structured'])){
999             $this->scripts[$this->current_script]['MODE'] = "Structured";
1000           }
1001           $new_mode = $this->scripts[$this->current_script]['MODE'];
1003           if($old_mode != $new_mode){
1005             $sc = $this->scripts[$this->current_script]['SCRIPT'];
1006             $p = new My_Parser($this);
1008             if($p -> parse($sc)){
1009               $this->current_handler->parse($sc);
1010               $this->Script_Error = "";
1011             } else {
1012               $this->Script_Error = $p->status_text;
1013             }
1014           } 
1015         }
1016       }
1017     }
1018   }
1020   
1021   function get_used_script_names()
1022   {
1023     $ret = array();
1024     foreach($this->scripts as $script){
1025       $ret[] = $script['NAME'];
1026     }
1027     return($ret);
1028   }
1032   function save()
1033   {
1034     /* Get sieve */
1035     if(!$this->sieve_handle = $this->get_sieve()){
1036       print_red(
1037           sprintf(
1038             _("Can't log into SIEVE server. Server says '%s'."),
1039             to_string($this->Sieve_Error)));
1040       return;
1041     }
1043     $everything_went_fine = TRUE;
1045     foreach($this->scripts as $key => $script){
1046       if($script['EDITED']){
1047         $data = $this->scripts[$key]['SCRIPT'];
1048         if(!$this->sieve_handle->sieve_sendscript($script['NAME'], addcslashes ($data,"\\"))){
1049           gosa_log("Failed to save sieve script named '".$script['NAME']."': ".to_string($this->sieve_handle->error_raw));
1050           $everything_went_fine = FALSE;
1051           print_red(to_string($this->sieve_handle->error_raw));
1052           $this->scripts[$key]['MSG'] = "<font color='red'>".
1053                                            _("Failed to save sieve script").": ".
1054                                            to_string($this->sieve_handle->error_raw).
1055                                            "</font>";
1056         }
1057       }
1058     }
1059     return($everything_went_fine);
1060   }
1062 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
1063 ?>