Code

Fix problems with removing services after saving
[gosa.git] / trunk / gosa-plugins / systems / admin / systems / class_serverService.inc
1 <?php
2 /*
3  * This code is part of GOsa (http://www.gosa-project.org)
4  * Copyright (C) 2003-2008 GONICUS GmbH
5  *
6  * ID: $$Id$$
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
23 define("START_SERVICE",1);
24 define("STOP_SERVICE",2);
25 define("RESTART_SERVICE",3);
27 define("SERVICE_STOPPED",_("Stop"));
28 define("SERVICE_STARTED",_("Start"));
29 define("SERVICE_RESTARTED",_("Restart"));
31 define("ALL_SERVICES",100);
33 class ServerService extends plugin
34 {
35   /* attribute list for save action */
36   var $ignore_account   = TRUE;
37   var $attributes       = array();
38   var $objectclasses    = array();
40   var $divList          = NULL;
42   var $plugins          = array();
43   var $pluign_names     = array();
45   var $current          = "";
46   var $backup           = NULL;
47   var $acl              ;
48   var $cn;
49   var $parent           ;
51   function ServerService (&$config, $dn,$parent)
52   {
53     plugin::plugin($config);
54     $this->parent = $parent;
55     $this->dn= $dn;
57     /* Initialize acl_base */
58     $this->set_acl_base($this->dn);
60     /* Adapt parent attributes */
61     if(isset($this->parent->attrs)){
62       $this->attrs = $this->parent->attrs;
63     }
65     foreach ($config->data['TABS']['SERVERSERVICE'] as $plug){
67       if(class_available($plug['CLASS'])){
69         $name= $plug['CLASS'];
70         $this->plugin_names[]= $name;
71         $this->plugins[$name]= new $name($config, $dn, $this);
73         /* Initialize kerberos key support */ 
74         if(isset($this->plugins[$name]->krb_service_prefix) && !empty($this->plugins[$name]->krb_service_prefix)){
75           $this->plugins[$name]->krb_host_key = &$this->parent->kerberos_key_service;
76         }
78         /* Capture all service objectClases, necessary for acl handling */ 
79         if(isset($this->plugins[$name]->objectclasses)){
80           foreach($this->plugins[$name]->objectclasses as $oc){
81             $this->objectclasses[] = $oc;
82           }
83         }
84       }else{
85         #trigger_error("Service class missing: ".$plug['CLASS']);
86       }
87     }
88     $this->divList = new divListSystemService($config,$this);
89         }
91   function set_acl_base($base)
92   {
93     plugin::set_acl_base($base);
94     foreach($this->plugins as $name => $obj){
95       $this->plugins[$name]->set_acl_base($base);
96     }
97   }
99   function set_acl_category($category)
100   {
101     plugin::set_acl_category($category);
102     foreach($this->plugins as $name => $obj){
103       $this->plugins[$name]->set_acl_category($category);
104     }
105   }
107   function execute()
108   {
109     /* Variable initialisation */  
110     $s_action = "";
111     $s_entry  = "";
113     /* Walk through posts and check if there are some introductions for us */
114     $PossiblePosts = array("addNewService"  => "", 
115                            "startServices"  => "",
116                            "stopServices"   => "",
117                            "restartServices"  => "",
118                            "removeServices" => "",
120                            "StartSingleService"  => "/^StartSingleService_(.*)_[xy]$/",
121                            "StopSingleService"   => "/^StopSingleService_(.*)_[xy]$/",
122                            "RestartSingleService"  => "/^RestartSingleService_(.*)_[xy]$/",
123                            "RemoveSingleService" => "/^RemoveSingleService_(.*)_[xy]$/",
124                            "EditSingleService"   => "/^EditSingleService_(.*)_[xy]$/");
126   
127     $once = true;
128     foreach($_POST as $name => $value){
129       foreach($PossiblePosts as $pregCheck => $idPreg) {
130         if(preg_match("/^".$pregCheck."/",$name) && $once){
131           $once     = false;
132           $s_action = $pregCheck;
133           
134           if(!empty($idPreg)){
135             $s_entry = preg_replace($idPreg,"\\1",$name);
136           }
137         }
138       }
139     }
142     /* Handle state changes for services */
143     $map =  array(    "startServices"         => array("type" => START_SERVICE ,   "service" => ALL_SERVICES),
144                       "stopServices"          => array("type" => STOP_SERVICE  ,   "service" => ALL_SERVICES),
145                       "restartServices"       => array("type" => RESTART_SERVICE , "service" => ALL_SERVICES),                 
146                       "StartSingleService"    => array("type" => START_SERVICE ,   "service" => $s_entry),
147                       "StopSingleService"     => array("type" => STOP_SERVICE ,    "service" => $s_entry),
148                       "RestartSingleService"  => array("type" => RESTART_SERVICE , "service" => $s_entry));
149     if(isset($map[$s_action])){
150       $type     = $map[$s_action]['type'];
151       $service  = $map[$s_action]['service'];
152       $this->ServiceStatusUpdate($type,$service);
153     }
155     /* Handle actions linked via href */
156     if(isset($_GET['act']) && $_GET['act'] == "open" && isset($_GET['id'])){
157       $id = $_GET['id'];
158       if(isset($this->plugins[$id])){
159         $s_entry = $id;
160         $s_action = "EditSingleService";
161       } 
162     }
164     /* Open service add dialog */
165     if($s_action == "addNewService"){
166       $this->dialog = new ServiceAddDialog($this->config,$this->dn,$this);
167     }
170     /* Remove service */
171     if($s_action == "RemoveSingleService"){
173       /* Create resetted obj */
174       $new_obj = new $s_entry($this->config,$this->dn, $this);
175       $new_obj -> set_acl_base($this->acl_base);
176       $new_obj -> set_acl_category(preg_replace("/\/$/","",$this->acl_category));
177       $tmp     = $new_obj->getListEntry();
179       if($tmp['AllowRemove']){
181         /* Check if we are allowed to remove this service
182          */
183         $str = $this->plugins[$s_entry]->allow_remove();
185         if(empty($str)){
186           $this->plugins[$s_entry] = $new_obj;
187           $this->plugins[$s_entry]->is_account = false;
188         }else{
189           msg_dialog::display(_("Error"), $str, ERROR_DIALOG);
190         }
191       }
192     }
195     /* Edit a service and make a backup from all attributes, 
196        to be able to restore old values after aborting dialog */ 
197     if($s_action == "EditSingleService"){
198       if($this->plugins[$s_entry]->acl_is_readable("")){
199         $this->backup   = get_object_vars($this->plugins[$s_entry]);
200         $this->dialog   = $this->plugins[$s_entry];
201         $this->current  = $s_entry;
202       }
203     }
205    
206     /* Abort service add */
207     if(isset($_POST['CancelServiceAdd'])){
208       $this->dialog   = FALSE;
209       $this->backup   = NULL;
210       $this->current  = "";
211     }
213  
214     /* Abort dialog 
215        Restore vars with values before editing */
216     if(isset($_POST['CancelService']) && !empty($this->current)){
217       if($this->backup == NULL){
218         $this->plugins[$this->current] = new $this->current($this->config,$this->dn,$this);
219         $this->plugins[$this->current]-> set_acl_base($this->acl_base);
220         $this->plugins[$this->current]-> set_acl_category(preg_replace("/\/$/","",$this->acl_category));
222       }else{
223         foreach($this->backup as $name => $value){
224           $this->plugins[$this->current]->$name = $value;
225         }
226       }
227       $this->dialog   = FALSE;
228       $this->backup   = NULL;
229       $this->current  = ""; 
230     }
231   
233     /* Abort dialog */
234     if(isset($_POST['SaveService']) && is_object($this->dialog)){
235 #      $this->dialog->save_object();
236       $msgs = $this->dialog->check();
237       if(count($msgs)){
238         foreach($msgs as $msg){
239           msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
240         }
241       }else{
242         $this->plugins[$this->current] = $this->dialog;
243         $tmp  = get_object_vars($this->dialog);
244         foreach($tmp as $name => $value){
245           $this->plugins[$this->current]->$name = $value;
246         }
247         $this->current = "";
248         $this->dialog = FALSE;
249         $this->backup = NULL;
250       }
251     }
254     /* Abort dialog */
255     if((isset($_POST['SaveServiceAdd'])) && (!empty($_POST['ServiceName']))){
256       $serv = $_POST['ServiceName'];    
257       $this->plugins[$serv]->is_account = true;
258       $this->dialog  = $this->plugins[$serv];
259       $this->current = $serv;
260     }
263     /* There is currently a subdialog open, display this dialog */
264     if(is_object($this->dialog)){
265       $add ="";
266       if(isset($this->dialog->krb_host_key) && $this->dialog->krb_host_key instanceof krbHostKeys){
267         $add = $this->dialog->krb_host_key->save_object_by_prefix($this->dialog->krb_service_prefix);
268         $add = $this->dialog->krb_host_key->execute_by_prefix($this->dialog->krb_service_prefix,TRUE);
269       }
270       return($add.$this->dialog->execute());
271     }
274     /* Dispaly services overview */
275     $this->divList->execute();
276     $list = array();
278     foreach($this->plugins as $name => $obj){
279       if($obj->is_account){
280         $list[$name] = $this->plugins[$name]->getListEntry(); 
281       }
282     }
283     $this->divList -> setEntries($list);
284     return("<table style='width:100%;'><tr><td>".$this->divList->Draw()."</td></tr></table>");
285   }
288   /* Get all used services 
289       CLASSNAME => _($this->plugins[*]->DisplayName);   */
290   function getAllUsedServices()
291   {
292     $ret = array();
293     foreach($this->plugins as $name => $obj){
294       if($obj->is_account){
295         if(isset($obj->DisplayName)){
296           $ret[$name] = $obj->DisplayName;
297         }else{
298           $ret[$name] = $name;
299         }
300       }
301     }
302     return($ret);
303   }
306   /* Get all unused services 
307       CLASSNAME => _($this->plugins[*]->DisplayName);  */
308   function getAllUnusedServices()
309   {
310     $tmp = $this->getAllUsedServices();
311     $pool_of_ocs =array();
312     foreach($tmp as $name => $value){
313       if(isset($this->plugins[$name]->conflicts)){
314         $pool_of_ocs[]= get_class($this->plugins[$name]);
315       }
316     }
317    
318     $ret = array();
319     foreach($this->plugins as $name => $obj){
321       /* Skip all pluigns that will lead into conflicts */
322       $skip = false;
323       if(isset($obj->conflicts)){
324         foreach($obj->conflicts as $oc){
325           if(in_array_ics($oc,$pool_of_ocs)){
326             $skip = true;
327           }
328         }
329       }
331       /* Only show createable services */
332       if(!$obj->acl_is_createable()){
333         $skip = true;
334       }
336       if(!$skip){
337         if(isset($obj->DisplayName)){
338           $ret[$name] = $obj->DisplayName;
339         }else{
340           $ret[$name] = $name;
341         }
342       }
343     }
344     return($ret);
345   }
346  
347  
348   /* This function sets the status var for each used 
349      service && calls an external hook if specified in gosa.conf*/
350   function ServiceStatusUpdate($method , $service)
351   {
352     /* Skip if this is a new server */
353     if($this->dn == "new"){
354       msg_dialog::display(_("Information"), _("Cannot update service status until it has been saved!"), INFO_DIALOG);
355       return;
356     }
358     $action = "";
359     if($method == START_SERVICE){
360       $action = SERVICE_STARTED;
361     }elseif($method== STOP_SERVICE){
362       $action = SERVICE_STOPPED;
363     }elseif($method == RESTART_SERVICE){
364       $action = SERVICE_RESTARTED;
365     }else{
366       msg_dialog::display(_("Error"), _("Cannot update service status!"), ERROR_DIALOG);
367       return;
368     }
369     
370     $caseVars = array("cn","dn");
371     if($service == ALL_SERVICES){
372       foreach($this->plugins as $name => $obj){
373         foreach($caseVars as $var){
374           if(isset($this->$var)){
375             $this->plugins[$name]->$var = $this->$var;  
376           }
377         }
379         /* check if services can be restarted */
380         $map =array(SERVICE_STARTED=> "AllowStart" ,
381                     SERVICE_STOPPED => "AllowStop",
382                     SERVICE_RESTARTED => "AllowRestart");
384         /* get plugins informations, restart/start/stop actions allowed ?*/
385         $tmp = $this->plugins[$name]->getListEntry();
387         /* Check if given action is allowed for this service */
388         if($tmp[$map[$action]] && !empty($this->plugins[$name]->StatusFlag)){
389           if($this->plugins[$name]->initially_was_account && $this->plugins[$name]->is_account){
390             $this->plugins[$name]->setStatus($action);
391           }
392         }
393       }
394     }else{
395       foreach($caseVars as $var){
396         if(isset($this->$var)){
397           $this->plugins[$service]->$var = $this->$var;  
398         }
399       }
400       if($this->plugins[$service]->is_account){
401         $this->plugins[$service]->setStatus($action);
402       }
403     }
404   }
407   function check()
408   {
409     $message = plugin::check();
410     return $message;
411   }
414   function save_object()
415   {
416     foreach($this->plugins as $name => $obj){
417       if($obj->is_account){
418         $this->plugins[$name]->save_object();
419       }
420     }
421   }
424   function remove_from_parent()
425   {
426     $caseVars = array("cn","dn");
427     foreach($this->plugins as $name => $obj){
428       foreach($caseVars as $var){
429         if(isset($this->$var)){
430           $this->plugins[$name]->$var = $this->$var;  
431         }
432       }
433       if($this->plugins[$name]->initially_was_account){
434         if(isset($this->plugins[$name]->krb_host_key) && $this->plugins[$name]->krb_host_key instanceof krbHostKeys){
435           $this->plugins[$name]->krb_host_key->remove_from_parent_by_prefix($this->plugins[$name]->krb_service_prefix);
436         }
437         $this->plugins[$name]->remove_from_parent();
438       }
439     }
440   }
443   function save()
444   {
445     $caseVars = array("cn","dn");
446     foreach($this->plugins as $name => $obj){
448       foreach($caseVars as $var){
449         if(isset($this->$var)){
450           $this->plugins[$name]->$var = $this->$var;
451         }
452       }
454       if($this->plugins[$name]->is_account){
455         $this->plugins[$name]->save();
456       }else{
457         if($this->plugins[$name]->initially_was_account){
458           $this->plugins[$name]->remove_from_parent();
459         }
460       }
461     }
462   }
464   
465   function PrepareForCopyPaste($source)
466   {
467     plugin::PrepareForCopyPaste($source);
469     foreach($this->plugins as $name => $plugin){
470       $this->plugins[$name]->PrepareForCopyPaste($source);
471     }
472   }
475   /* Check if all plugins allow a remove ..  */
476   function allow_remove()
477   {
478     foreach($this->plugins as $name => $obj){
479       $str = $obj->allow_remove();
480       if(!empty($str)){
481         return($str);
482       }
483     }
484   }
485   
487 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
488 ?>