1a2d7b733f522a99d533df5f80068f5387d71f08
1 <?php
3 class configRegistry{
5 public $config = NULL;
6 public $properties = array();
7 public $ldapStoredProperties = array();
8 public $fileStoredProperties = array();
9 public $classToName = array();
11 public $status = 'none';
13 // Excludes property values defined in ldap
14 public $ignoreLdapProperties = FALSE;
16 // Contains all classes with plInfo
17 public $classesWithInfo = array();
18 public $pluginRequirements = array();
19 public $categoryToClass = array();
21 public $objectClasses = array();
23 public $detectedSchemaIssues = array();
24 public $schemaCheckFailed = FALSE;
25 public $schemaCheckFinished = FALSE;
26 public $pluginsDeactivated = array();
28 function __construct($config)
29 {
30 $this->config = &$config;
32 // Detect classes that have a plInfo method
33 global $class_mapping;
34 foreach ($class_mapping as $cname => $path){
35 $cmethods = get_class_methods($cname);
36 if (is_array($cmethods) && in_array_ics('plInfo',$cmethods)){
38 // Get plugin definitions
39 $def = call_user_func(array($cname, 'plInfo'));;
41 // Register Post Events (postmodfiy,postcreate,postremove,checkhook)
42 if(count($def)){
43 $this->classesWithInfo[$cname] = $def;
44 }
45 }
46 }
48 // (Re)Load properties
49 $this->reload();
50 }
53 function validateSchemata($force = FALSE, $disableIncompatiblePlugins = FALSE)
54 {
55 // We can check the schemata only with a valid LDAP connection
56 if(empty($this->config->current['CONFIG'])){
57 return(TRUE);
58 }
60 // Don't do things twice unless forced
61 if($this->schemaCheckFinished && !$force) return($this->schemaCheckFailed);
63 // Prepare result array
64 $this->detectedSchemaIssues = array();
65 $this->detectedSchemaIssues['missing'] = array();
66 $this->detectedSchemaIssues['versionMismatch'] = array();
68 // Clear last results
69 $this->pluginsDeactivated = array();
71 // Read objectClasses from ldap
72 if(!count($this->objectClasses)){
73 $ldap = $this->config->get_ldap_link();
74 $ldap->cd($this->config->current['BASE']);
75 $this->objectClasses = $ldap->get_objectclasses();
76 }
78 // Collect required schema infos
79 $this->pluginRequirements = array('ldapSchema' => array());
80 $this->categoryToClass = array();
81 foreach($this->classesWithInfo as $cname => $defs){
82 if(isset($defs['plRequirements'])){
83 $this->pluginRequirements[$cname] = $defs['plRequirements'];
84 }
85 }
87 // Check schema requirements now $missing = $invalid = array();
88 foreach($this->pluginRequirements as $cname => $requirements){
90 // Check LDAP schema requirements for this plugins
91 $failure = FALSE;
92 if(isset($requirements['ldapSchema'])){
93 foreach($requirements['ldapSchema'] as $oc => $version){
94 if(!$this->ocAvailable($oc)){
95 $this->detectedSchemaIssues['missing'][] = $oc;
96 $this->schemaCheckFailed = TRUE;
97 $failure = TRUE;
98 }elseif(!empty($version)){
99 $currentVersion = $this->getObjectClassVersion($oc);
100 if(!empty($currentVersion) && !$this->ocVersionMatch($version, $currentVersion)){
101 if($currentVersion == -1){
102 $currentVersion = _("unknown");
103 }
104 $this->detectedSchemaIssues['versionMismatch'] =
105 sprintf(_("%s has version %s but %s required!"), bold($oc),bold($currentVersion),bold($version));
106 $this->schemaCheckFailed = TRUE;
107 $failure = TRUE;
108 }
109 }
110 }
111 }
113 // Display corresponding plugins now
114 if($disableIncompatiblePlugins && $failure && isset($requirements['onFailureDisablePlugin'])){
115 foreach($requirements['onFailureDisablePlugin'] as $name){
116 $this->pluginsDeactivated[] = $name;
117 }
118 }
119 }
120 $this->schemaCheckFinished =TRUE;
121 return(!$this->schemaCheckFailed);
122 }
125 function displayErrors()
126 {
127 if(count($this->detectedSchemaIssues['missing'])){
128 msg_dialog::display(_("Schema validation error"),
129 _("The following objectClasses are missing:").
130 "<div class='scrollContainer' style='height:100px'>".
131 msgPool::buildList($this->detectedSchemaIssues['missing']).
132 "</div>",
133 ERROR_DIALOG);
134 }
135 if(count($this->detectedSchemaIssues['versionMismatch'])){
136 msg_dialog::display(_("Schema validation error"),
137 _("The following objectClasses do not match the version requirements:").
138 "<div class='scrollContainer' style='height:100px'>".
139 msgPool::buildList($this->detectedSchemaIssues['versionMismatch']).
140 "</div>",
141 ERROR_DIALOG);
142 }
143 }
146 function ocVersionMatch($required, $installed)
147 {
148 $operator = preg_replace('/^([=<>]*).*$/',"\\1",$required);
149 $required = preg_replace('/^[=<>]*(.*)$/',"\\1",$required);
150 return(version_compare($installed,$required, $operator));
151 }
154 function getObjectClassVersion($oc)
155 {
156 if(!isset($this->objectClasses[$oc])){
157 return(NULL);
158 }else{
159 $version = -1; // unknown
160 if(preg_match("/(v[^)]*)/", $this->objectClasses[$oc]['DESC'])){
161 $version = preg_replace('/^.*\(v([^)]*)\).*$/',"\\1", $this->objectClasses[$oc]['DESC']);
162 }
163 }
164 return($version);
165 }
168 // check wheter an objectClass is installed or not.
169 function ocAvailable($name)
170 {
171 return(isset($this->objectClasses[$name]));
172 }
175 function reload($force = FALSE)
176 {
177 // Do not reload the properties everytime, once we have
178 // everything loaded and registrered skip the reload.
179 // Status is 'finished' once we had a ldap connection (logged in)
180 if(!$force && $this->status == 'finished') return;
182 // Reset everything
183 $this->ldapStoredProperties = array();
184 $this->fileStoredProperties = array();
185 $this->properties = array();
186 $this->mapByName = array();
188 // Search for config flags defined in the config file (TAB section)
189 foreach($this->config->data['TABS'] as $tabname => $tabdefs){
190 foreach($tabdefs as $info){
192 // Check if the info is valid
193 if(isset($info['NAME']) && isset($info['CLASS'])){
195 // Check if there is nore than just the plugin definition
196 if(count($info) > 2){
197 foreach($info as $name => $value){
199 if(!in_array($name, array('CLASS','NAME'))){
200 $class= $info['CLASS'];
201 $this->fileStoredProperties[$class][strtolower($name)] = $value;
202 }
203 }
204 }
205 }
206 }
207 }
209 // Search for config flags defined in the config file (MENU section)
210 foreach($this->config->data['MENU'] as $section => $entries){
211 foreach($entries as $entry){
212 if(count($entry) > 2 && isset($entry['CLASS'])){
213 $class = $entry['CLASS'];
214 foreach($entry as $name => $value){
215 if(!in_array($name, array('CLASS','ACL'))){
216 $this->fileStoredProperties[strtolower($class)][strtolower($name)] = $value;
217 }
218 }
219 }
220 }
221 }
223 // Search for config flags defined in the config file (MAIN section)
224 foreach($this->config->data['MAIN'] as $name => $value){
225 $this->fileStoredProperties['core'][strtolower($name)] = $value;
226 }
228 // Search for config flags defined in the config file (Current LOCATION section)
229 if(isset($this->config->current)){
230 foreach($this->config->current as $name => $value){
231 $this->fileStoredProperties['core'][strtolower($name)] = $value;
232 }
233 }
235 // Skip searching for LDAP defined properties if 'ignoreLdapProperties' is set to 'true'
236 // in the config.
237 $this->ignoreLdapProperties = FALSE;
238 if(isset($this->fileStoredProperties['core'][strtolower('ignoreLdapProperties')]) &&
239 preg_match("/(true|on)/i", $this->fileStoredProperties['core'][strtolower('ignoreLdapProperties')])){
240 $this->ignoreLdapProperties = TRUE;
241 }
243 // Search for all config flags defined in the LDAP - BUT only if we ARE logged in.
244 if(!empty($this->config->current['CONFIG'])){
245 $ldap = $this->config->get_ldap_link();
246 $ldap->cd($this->config->current['CONFIG']);
247 $ldap->search('(&(objectClass=gosaConfig)(gosaSetting=*))', array('cn','gosaSetting'));
248 while($attrs = $ldap->fetch()){
249 $class = $attrs['cn'][0];
250 for($i=0; $i<$attrs['gosaSetting']['count']; $i++){
251 list($name,$value) = preg_split("/:/",$attrs['gosaSetting'][$i],2);
252 $this->ldapStoredProperties[$class][$name] = $value;
253 }
254 }
255 $this->status = 'finished';
256 }
258 // Register plugin properties.
259 foreach ($this->classesWithInfo as $cname => $def){
261 // Detect class name
262 $name = $cname;
263 $name = (isset($def['plShortName'])) ? $def['plShortName'] : $cname;
264 $name = (isset($def['plDescription'])) ? $def['plDescription'] : $cname;
266 // Register post events
267 $this->classToName[$cname] = $name;
268 $data = array('name' => 'postcreate','type' => 'command');
269 $this->register($cname, $data);
270 $data = array('name' => 'postremove','type' => 'command');
271 $this->register($cname, $data);
272 $data = array('name' => 'postmodify','type' => 'command');
273 $this->register($cname, $data);
274 $data = array('name' => 'check', 'type' => 'command');
275 $this->register($cname, $data);
277 // Register properties
278 if(isset($def['plProperties'])){
279 foreach($def['plProperties'] as $property){
280 $this->register($cname, $property);
281 }
282 }
283 }
284 }
286 function register($class,$data)
287 {
288 $id = count($this->properties);
289 $this->properties[$id] = new gosaProperty($this,$class,$data);
290 $p = strtolower("{$class}::{$data['name']}");
291 $this->mapByName[$p] = $id;
292 }
294 public function getAllProperties()
295 {
296 return($this->properties);
297 }
299 function propertyExists($class,$name)
300 {
301 $p = strtolower("{$class}::{$name}");
302 return(isset($this->mapByName[$p]));
303 }
305 private function getId($class,$name)
306 {
307 $p = strtolower("{$class}::{$name}");
308 if(!isset($this->mapByName[$p])){
309 return(-1);
310 }
311 return($this->mapByName[$p]);
312 }
314 function getProperty($class,$name)
315 {
316 if($this->propertyExists($class,$name)){
317 return($this->properties[$this->getId($class,$name)]);
318 }
319 return(NULL);
320 }
322 function getPropertyValue($class,$name)
323 {
324 if($this->propertyExists($class,$name)){
325 $tmp = $this->getProperty($class,$name);
326 return($tmp->getValue());
327 }
328 return("");
329 }
331 function setPropertyValue($class,$name, $value)
332 {
333 if($this->propertyExists($class,$name)){
334 $tmp = $this->getProperty($class,$name);
335 return($tmp->setValue($value));
336 }
337 return("");
338 }
340 function saveChanges()
341 {
342 $migrate = array();
343 foreach($this->properties as $prop){
345 // Is this property modified
346 if(in_array($prop->getStatus(),array('modified','removed'))){
348 // Check if we've to migrate something before we can make the changes effective.
349 if($prop->migrationRequired()){
350 $migrate[] = $prop;
351 }else{
352 $prop->save();
353 }
354 }
355 }
356 return($migrate);
357 }
358 }
361 class gosaProperty
362 {
363 protected $name = "";
364 protected $class = "";
365 protected $value = "";
366 protected $tmp_value = ""; // Used when modified but not saved
367 protected $type = "string";
368 protected $default = "";
369 protected $defaults = "";
370 protected $description = "";
371 protected $check = "";
372 protected $migrate = "";
373 protected $mandatory = FALSE;
374 protected $group = "default";
375 protected $parent = NULL;
376 protected $data = array();
378 protected $migrationClass = NULL;
380 /*! The current property status
381 * 'ldap' Property is stored in ldap
382 * 'file' Property is stored in the config file
383 * 'undefined' Property is currently not stored anywhere
384 * 'modified' Property has been modified (should be saved)
385 */
386 protected $status = 'undefined';
388 protected $attributes = array('name','type','default','description','check',
389 'migrate','mandatory','group','defaults');
394 function __construct($parent,$classname,$data)
395 {
396 // Set some basic infos
397 $this->parent = &$parent;
398 $this->class = $classname;
399 $this->data = $data;
401 // Get all relevant information from the data array (comes from plInfo)
402 foreach($this->attributes as $aName){
403 if(isset($data[$aName])){
404 $this->$aName = $data[$aName];
405 }
406 }
408 // Initialize with the current value
409 $this->_restoreCurrentValue();
411 }
413 function migrationRequired()
414 {
415 // Instantiate migration class
416 if(!empty($this->migrate) && $this->migrationClass == NULL){
417 if(!class_available($this->migrate)){
418 trigger_error("Cannot start migration for gosaProperty::'{$this->getName()}' class not found ({$this->migrate})!");
419 }else{
420 $class = $this->migrate;
421 $tmp = new $class($this->parent->config,$this);
422 if(! $tmp instanceof propertyMigration){
423 trigger_error("Cannot start migration for gosaProperty::'{$this->getName()}' doesn't implement propertyMigration!");
424 }else{
425 $this->migrationClass = $tmp;
426 }
427 }
428 }
429 if(empty($this->migrate) || $this->migrationClass == NULL){
430 return(FALSE);
431 }
432 return($this->migrationClass->checkForIssues());
433 }
435 function getMigrationClass()
436 {
437 return($this->migrationClass);
438 }
440 function check()
441 {
442 $val = $this->getValue(TRUE);
443 $return = TRUE;
444 if($this->mandatory && empty($val)){
445 $return = FALSE;
446 }
448 $check = $this->getCheck();
449 if(!empty($val) && !empty($check)){
450 $res = call_user_func(preg_split("/::/", $this->check),$messages=TRUE, $this->class,$this->name,$val, $this->type);
451 if(!$res){
452 $return = FALSE;
453 }
454 }
455 return($return);
456 }
458 static function isBool($message,$class,$name,$value, $type)
459 {
460 $match = in_array($value,array('true','false',''));
462 // Display the reason for failing this check.
463 if($message && ! $match){
464 msg_dialog::display(_("Warning"),
465 sprintf(_("The value '%s' specified for '%s:%s' is invalid. A bool value is required here!"),
466 bold($value),bold($class),bold($name)),
467 WARNING_DIALOG);
468 }
470 return($match);
471 }
473 static function isString($message,$class,$name,$value, $type)
474 {
475 $match = TRUE;
477 // Display the reason for failing this check.
478 if($message && ! $match){
479 msg_dialog::display(_("Warning"),
480 sprintf(_("The value '%s' specified for '%s:%s' is invalid. A string value is required here!"),
481 bold($value),bold($class),bold($name)),
482 WARNING_DIALOG);
483 }
485 return($match);
486 }
488 static function isInteger($message,$class,$name,$value, $type)
489 {
490 $match = is_numeric($value) && !preg_match("/[^0-9]/", $value);
492 // Display the reason for failing this check.
493 if($message && ! $match){
494 msg_dialog::display(_("Warning"),
495 sprintf(_("The value '%s' specified for '%s:%s' is invalid. A numeric value is required here!"),
496 bold($value),bold($class),bold($name)),
497 WARNING_DIALOG);
498 }
500 return($match);
501 }
503 static function isPath($message,$class,$name,$value, $type)
504 {
505 $match = preg_match("#^(/[^/]*/){1}#", $value);
507 // Display the reason for failing this check.
508 if($message && ! $match){
509 msg_dialog::display(_("Warning"),
510 sprintf(_("The path '%s' specified for '%s:%s' is invalid!"),
511 bold($value),bold($class),bold($name)),
512 WARNING_DIALOG);
513 }
515 return($match);
516 }
518 static function isReadablePath($message,$class,$name,$value, $type)
519 {
520 $match = !empty($value)&&is_dir($value)&&is_writeable($value);
522 // Display the reason for failing this check.
523 if($message && ! $match){
524 if(!is_dir($value)){
525 msg_dialog::display(_("Warning"),
526 sprintf(_("The folder '%s' specified for '%s:%s' does not exists!"),
527 bold($value),bold($class),bold($name)),
528 WARNING_DIALOG);
529 }elseif(!is_readable($value)){
530 msg_dialog::display(_("Warning"),
531 sprintf(_("The folder '%s' specified for '%s:%s' cannot be used for reading!"),
532 bold($value),bold($class),bold($name)),
533 WARNING_DIALOG);
534 }
535 }
537 return($match);
538 }
540 static function isWriteablePath($message,$class,$name,$value, $type)
541 {
542 $match = !empty($value)&&is_dir($value)&&is_writeable($value);
544 // Display the reason for failing this check.
545 if($message && ! $match){
546 if(!is_dir($value)){
547 msg_dialog::display(_("Warning"),
548 sprintf(_("The folder '%s' specified for '%s:%s' does not exists!"),
549 bold($value),bold($class),bold($name)),
550 WARNING_DIALOG);
551 }elseif(!is_writeable($value)){
552 msg_dialog::display(_("Warning"),
553 sprintf(_("The folder '%s' specified for '%s:%s' cannot be used for writing!"),
554 bold($value),bold($class),bold($name)),
555 WARNING_DIALOG);
556 }
557 }
559 return($match);
560 }
562 static function isReadableFile($message,$class,$name,$value, $type)
563 {
564 $match = !empty($value) && is_readable($value) && is_file($value);
566 // Display the reason for failing this check.
567 if($message && ! $match){
569 if(!is_file($value)){
570 msg_dialog::display(_("Warning"),
571 sprintf(_("The file '%s' specified for '%s:%s' does not exists!"),
572 bold($value),bold($class),bold($name)),
573 WARNING_DIALOG);
574 }elseif(!is_readable($value)){
575 msg_dialog::display(_("Warning"),
576 sprintf(_("The file '%s' specified for '%s:%s' cannot be read!"),
577 bold($value),bold($class),bold($name)),
578 WARNING_DIALOG);
579 }
580 }
582 return($match);
583 }
585 static function isCommand($message,$class,$name,$value, $type)
586 {
587 $match = TRUE;
589 // Display the reason for failing this check.
590 if($message && ! $match){
591 msg_dialog::display(_("Warning"),
592 sprintf(_("The command '%s' specified for '%s:%s' is invalid!"),
593 bold($value),bold($class),bold($name)),
594 WARNING_DIALOG);
595 }
597 return($match);
598 }
600 static function isDn($message,$class,$name,$value, $type)
601 {
602 $match = preg_match("/^([a-z]*=[^=,]*,)*[^=]*=[^=]*$/i", $value);
604 // Display the reason for failing this check.
605 if($message && ! $match){
606 msg_dialog::display(_("Warning"),
607 sprintf(_("The dn '%s' specified for '%s:%s' is invalid!"),
608 bold($value),bold($class),bold($name)),
609 WARNING_DIALOG);
610 }
612 return($match);
613 }
615 static function isRdn($message,$class,$name,$value, $type)
616 {
617 $match = preg_match("/^([a-z]*=[^=,]*,)*[^=]*=[^=,]*,?$/i", $value);
619 // Display the reason for failing this check.
620 if($message && ! $match){
621 msg_dialog::display(_("Warning"),
622 sprintf(_("The rdn '%s' specified for '%s:%s' is invalid!"),
623 bold($value),bold($class),bold($name)),
624 WARNING_DIALOG);
625 }
627 return($match);
628 }
630 private function _restoreCurrentValue()
631 {
632 // First check for values in the LDAP Database.
633 if(isset($this->parent->ldapStoredProperties[$this->class][$this->name])){
634 $this->setStatus('ldap');
635 $this->value = $this->parent->ldapStoredProperties[$this->class][$this->name];
636 return;
637 }
639 // Second check for values in the config file.
640 if(isset($this->parent->fileStoredProperties[strtolower($this->class)][strtolower($this->name)])){
641 $this->setStatus('file');
642 $this->value = $this->parent->fileStoredProperties[strtolower($this->class)][strtolower($this->name)];
643 return;
644 }
646 // If there still wasn't found anything then fallback to the default.
647 if($this->getStatus() == 'undefined'){
648 $this->value = $this->getDefault();
649 }
650 }
652 function getMigrate() { return($this->migrate); }
653 function getCheck() { return($this->check); }
654 function getName() { return($this->name); }
655 function getClass() { return($this->class); }
656 function getGroup() { return($this->group); }
657 function getType() { return($this->type); }
658 function getDescription() { return($this->description); }
659 function getDefault() { return($this->default); }
660 function getDefaults() { return($this->defaults); }
661 function getStatus() { return($this->status); }
662 function isMandatory() { return($this->mandatory); }
664 function setValue($str)
665 {
666 if(in_array($this->getStatus(), array('modified'))){
667 $this->tmp_value = $str;
668 }elseif($this->value != $str){
669 $this->setStatus('modified');
670 $this->tmp_value = $str;
671 }
672 }
674 function getValue($temporary = FALSE)
675 {
676 if($temporary){
677 if(in_array($this->getStatus(), array('modified','removed'))){
678 return($this->tmp_value);
679 }else{
680 return($this->value);
681 }
682 }else{
684 // Do not return ldap values if we've to ignore them.
685 if($this->parent->ignoreLdapProperties){
686 if(isset($this->parent->fileStoredProperties[strtolower($this->class)][strtolower($this->name)])){
687 return($this->parent->fileStoredProperties[strtolower($this->class)][strtolower($this->name)]);
688 }else{
689 return($this->getDefault());
690 }
691 }else{
692 return($this->value);
693 }
694 }
695 }
697 function restoreDefault()
698 {
699 if(in_array($this->getStatus(),array('ldap'))){
700 $this->setStatus('removed');
702 // Second check for values in the config file.
703 if(isset($this->parent->fileStoredProperties[strtolower($this->class)][strtolower($this->name)])){
704 $this->tmp_value = $this->parent->fileStoredProperties[strtolower($this->class)][strtolower($this->name)];
705 }else{
706 $this->tmp_value = $this->getDefault();
707 }
708 }
709 }
711 function save()
712 {
713 if($this->getStatus() == 'modified'){
714 $ldap = $this->parent->config->get_ldap_link();
715 $ldap->cd($this->parent->config->current['BASE']);
716 $dn = "cn={$this->class},".$this->parent->config->current['CONFIG'];
717 $ldap->cat($dn);
718 if(!$ldap->count()){
719 $ldap->cd($dn);
720 $data = array(
721 'cn' => $this->class,
722 'objectClass' => array('top','gosaConfig'),
723 'gosaSetting' => $this->name.":".$this->tmp_value);
725 $ldap->add($data);
726 if(!$ldap->success()){
727 echo $ldap->get_error();
728 }
730 }else{
731 $attrs = $ldap->fetch();
732 $data = array();
733 $found = false;
734 if(isset($attrs['gosaSetting']['count'])){
735 for($i = 0;$i<$attrs['gosaSetting']['count']; $i ++){
736 $set = $attrs['gosaSetting'][$i];
737 if(preg_match("/^{$this->name}:/", $set)){
738 $set = "{$this->name}:{$this->tmp_value}";
739 $found = true;
740 }
741 $data['gosaSetting'][] = $set;
742 }
743 }
744 if(!$found) $data['gosaSetting'][] = "{$this->name}:{$this->tmp_value}";
745 $ldap->cd($dn);
746 $ldap->modify($data);
747 if(!$ldap->success()){
748 echo $ldap->get_error();
749 }
750 }
751 $this->value = $this->tmp_value;
752 $this->setStatus('ldap');
753 }elseif($this->getStatus() == 'removed'){
754 $ldap = $this->parent->config->get_ldap_link();
755 $ldap->cd($this->parent->config->current['BASE']);
756 $dn = "cn={$this->class},".$this->parent->config->current['CONFIG'];
757 $ldap->cat($dn);
758 $attrs = $ldap->fetch();
759 $data = array('gosaSetting' => array());
760 for($i = 0;$i<$attrs['gosaSetting']['count']; $i ++){
761 $set = $attrs['gosaSetting'][$i];
762 if(preg_match("/^{$this->name}:/", $set)){
763 continue;
764 }
765 $data['gosaSetting'][] = $set;
766 }
767 $ldap->cd($dn);
768 $ldap->modify($data);
769 if(!$ldap->success()){
770 echo $ldap->get_error();
771 }
772 $this->_restoreCurrentValue();
773 }
774 }
776 private function setStatus($state)
777 {
778 if(!in_array($state, array('ldap','file','undefined','modified','removed'))) {
779 trigger_error("Unknown property status given '{$state}' for {$this->class}:{$this->name}!");
780 }else{
781 $this->status = $state;
782 }
783 }
785 function isValid()
786 {
787 return(TRUE);
788 }
789 }
793 interface propertyMigration
794 {
795 function __construct($config,$property);
796 }
799 ?>