1 <?php
3 define("LDAP_DUMP_PATH","/tmp/gosa");
5 class CopyPasteHandler {
7 var $config;
8 var $current;
10 /* This array contains all dns of the currently copyied objects */
11 var $queue = array();
13 /* Attributes that should be overwritten */
14 var $setvar_array= array();
16 /* The dn of the last edited object */
17 var $lastdn = "";
20 /* Create CP handler */
21 function CopyPasteHandler(&$config)
22 {
23 $this->config = &$config;
24 $this->current= NULL;
25 $this->queue = array();
26 $this->setvar_array = array();
27 }
30 /* Entry entry to Copy & Paste queue.
31 * A Queue entry is represented as follows.
32 * array['file_name'] - Position on hdd
33 * array['method'] - copy/cut
34 * array['dn'] - the dn of the object added to the queue
35 * array['tab_class'] - Tab object that should be used to initialize the new object
36 * array['tab_object'] - Tab object name used to initialize correct object Type like USERTABS
37 */
38 function add_to_queue($dn,$action,$tab_class,$tab_object,$tab_acl_category)
39 {
40 if(!class_exists($tab_class)){
41 trigger_error(sprintf("Specified class object '%s' does not exists.",$tab_class));
42 return(FALSE);
43 }
45 if(!isset($this->config->data['TABS'][$tab_object])){
46 trigger_error(sprintf("Specified tab object '%s' does not exists.",$tab_object));
47 return(FALSE);
48 }
50 if(!in_array($action,array("cut","copy"))){
51 trigger_error(sprintf("Specified action '%s' does not exists for copy & paste.",$action));
52 return(FALSE);
53 }
55 if($file_name = $this->save_dn_attributes_to_hdd($dn)){
56 $tmp = array();
57 $tmp['file_name'] = $file_name;
58 $tmp['method'] = $action;
59 $tmp['dn'] = $dn;
60 $tmp['tab_class'] = $tab_class;
61 $tmp['tab_object']= $tab_object;
62 $tmp['tab_acl_category']= $tab_acl_category;
63 $this->queue[] = $tmp;
64 }
65 }
68 /* This removes all objects from queue.
69 * Remove hdd dumps of current entries too.
70 * Remove entries older than 24 hours.
71 */
72 function cleanup_queue()
73 {
74 $this->current = FALSE;
75 $this->setvar_array = array();
77 /* Remove all entries from queue */
78 foreach($this->queue as $key => $entry){
79 @rmdir($entry['file_name']);
80 unset($this->queue[$key]);
81 }
83 /* Create patch if it doesn't exists */
84 if(!is_dir(LDAP_DUMP_PATH)){
85 @mkdir(LDAP_DUMP_PATH);
86 @chmod(LDAP_DUMP_PATH,0700);
87 }
89 /* check if we are able to create a new file the given directory */
90 if(!is_writeable(LDAP_DUMP_PATH)){
91 $msg= sprintf(_("Cannot cleanup copy & paste queue: no write permission inside '%s'!"),LDAP_DUMP_PATH);
92 msg_dialog::display(_("Configuration error"), $msg, ERROR_DIALOG);
93 new log("copy","all/all","copy & paste, event queue.",array(), $msg);
94 return(FALSE);
95 }
97 /* Remove entries from hdd that are older than24 hours */
98 $fp = opendir(LDAP_DUMP_PATH);
99 while($file = readdir($fp)){
100 if(is_file(LDAP_DUMP_PATH."/".$file) && !preg_match("/^\./",$file)){
101 $file_time = fileatime(LDAP_DUMP_PATH."/".$file);
102 if($file_time < (time() - (24* 60 *60))){
103 @unlink(LDAP_DUMP_PATH."/".$file);
104 }
105 }
106 }
107 }
110 /* To increase performance we save the ldap dump on hdd
111 * This function automatically creates the dumps and returns
112 * the name of the dumpfile we created
113 */
114 function save_dn_attributes_to_hdd($dn)
115 {
116 $filename = "Should not be returned";
117 $ldap = $this->config->get_ldap_link();
118 $ldap->cd($this->config->current['BASE']);
119 $res = $ldap->cat($dn);
121 /* Check if given dn is valid and ldap search was succesfull */
122 if(!$res){
123 $msg= sprintf(_("Copy and paste failed: object '%s' is not a valid ldap object!"), LDAP::fix($dn));
124 msg_dialog::display(_("Internal error"), $msg, ERROR_DIALOG);
125 new log("copy","all/all",$dn,array(), $msg);
126 return(FALSE);
127 }
129 /* Create data to save given ldap dump on the hdd */
130 $filename = "gosa_copy-paste_dump_".preg_replace("/[^0-9]/","",microtime());
131 $path = LDAP_DUMP_PATH;
133 /* Create patch if it doesn't exists */
134 if(!is_dir($path)){
135 @mkdir($path);
136 @chmod($path,0700);
137 }
139 /* check if we are able to create a new file the given directory */
140 if(!is_writeable($path)){
141 $msg= sprintf(_("Cannot save LDAP dump: no write permission inside '%s'!"),LDAP_DUMP_PATH);
142 msg_dialog::display(_("Configuration error"), $msg, ERROR_DIALOG);
143 new log("copy","all/all",$dn,array(), $msg);
144 return(FALSE);
145 }
147 /* Create file handle */
148 $fp = @fopen($path."/".$filename,"w+");
149 if(!$fp){
150 $msg= sprintf(_("Cannot save LDAP dump: no write permission to '%s/%s'!"),$path,$filename);
151 msg_dialog::display(_("Configuration error"), $msg, ERROR_DIALOG);
152 new log("copy","all/all",$dn,array(), $msg);
153 return(FALSE);
154 }
156 $data = serialize($ldap->fetch());
157 fwrite($fp,$data,strlen($data));
158 fclose($fp);
160 /* Only the webserver should be able to read those files */
161 @chmod($path."/".$filename,0600);
162 return($path."/".$filename);
163 }
166 /* Check if there are still entries the object queue */
167 function entries_queued()
168 {
169 return( count($this->queue) >=1 || $this->current != FALSE);
170 }
173 /* Paste one entry from queue */
174 function load_entry_from_queue()
175 {
177 /* Save posted variables, handle dialog posts like 'cancel' */
178 $this->save_object();
180 /* If there is currently no object pasted
181 * create new object and prepare object to be pasted
182 */
183 if(!$this->current && $this->entries_queued()){
184 $key = key($this->queue);
185 $entry = $this->queue[$key];
186 $tab_c = $entry['tab_class'];
187 $tab_o = $entry['tab_object'];
188 $tab_a = $entry['tab_acl_category'];
190 if($entry['method'] == "copy"){
191 $entry['object'] = new $tab_c($this->config,$this->config->data['TABS'][$tab_o],"new",$tab_a);
192 }else{
193 $entry['object'] = new $tab_c($this->config,$this->config->data['TABS'][$tab_o],$entry['dn'],$tab_a);
194 }
196 $entry['source_data'] = $this->load_attributes_from_hdd($entry['file_name']);
198 if($entry['method'] == "copy"){
200 /* Prepare each plugin of this tab object to be posted */
201 foreach($entry['object']->by_object as $name => $obj){
203 /* Prepare every single class, to be copied */
204 $entry['object']->by_object[$name]->PrepareForCopyPaste($entry['source_data']);
206 /* handle some special vars */
207 foreach(array("is_account") as $attr){
208 if(isset($entry['source_data'][$attr])){
209 $entry['object']->by_object[$name]->$attr = $entry['source_data'][$attr];
210 }
211 }
212 }
213 }
215 /* Assign created object as current */
216 $this->current = $entry;
217 unset($this->queue[$key]);
218 }
219 }
222 /* Load dumped ldap entry specified by $filename and
223 * return data an unserailized data array
224 */
225 function load_attributes_from_hdd($filename)
226 {
227 $fp = @fopen($filename,"r");
228 if(is_file($filename) && is_readable($filename) && $fp){
229 $data = "";
230 while($str = fgets($fp,512)){
231 $data .= $str;
232 }
233 return(unserialize($data));
234 }else{
235 $msg= sprintf(_("Cannot load dumped file '%s'!"),$filename);
236 msg_dialog::display(_("Internal error"), $msg, ERROR_DIALOG);
237 new log("copy","all/all",$dn,array(), $msg);
238 return(FALSE);
239 }
240 }
243 /* Displays a dialog which allows the user to fix all dependencies of this object.
244 Create unique names, ids, or what ever */
245 function execute()
246 {
247 $ui = get_userinfo();
248 $type = $this->current['method'];
249 if($type == "cut"){
250 if(isset($_POST['PerformCopyPaste'])){
251 while($this->entries_queued()){
252 $this->load_entry_from_queue();
253 $this->_update_vars();
255 $msgs = $this->check();
256 $acl = $ui->get_category_permissions($this->current['dn'], $this->current['tab_acl_category']);
258 /* Check permissions */
259 if(!preg_match("/((c|w)|(w|c))/",$acl)){
260 msg_dialog::display(_("Error"), sprintf(_("You have no permission to save object '%s'."), $this->current['dn']), ERROR_DIALOG);
261 }elseif(count ($msgs) ){
262 foreach( $msgs as $msg){
263 msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
264 }
265 }else{
267 /* Load next queue entry */
268 $this->lastdn = $this->current['object']->dn;
269 $this->current['object']->save();
270 }
272 $this->current =FALSE;
273 }
274 }
275 if($this->current){
277 $dns = $this->current['dn']."\n";
278 foreach($this->queue as $entry){
279 $dns .= $entry['dn']."\n";
280 }
282 $smarty = get_smarty();
283 $smarty->assign("type","cut");
284 $smarty->assign("Complete",false);
285 $smarty->assign("AttributesToFix"," ");
286 $smarty->assign("SubDialog",$this->current['object']->SubDialog);
287 $smarty->assign("objectDN" ,$dns);
288 $smarty->assign("message", sprintf(_("You are going to paste the cutted entry '%s'."), "<pre>".$dns."</pre>"));
289 return($smarty->fetch(get_template_path("copyPasteDialog.tpl",FALSE)));
290 }
291 }
292 if($type == "copy"){
293 if(isset($_POST['PerformCopyPaste'])){
294 $this->_update_vars();
295 $msgs = $this->check();
297 $acl = $ui->get_category_permissions($this->current['dn'], $this->current['tab_acl_category']);
299 /* Check permissions */
300 if(!preg_match("/((c|w)|(w|c))/",$acl)){
301 msg_dialog::display(_("Error"), sprintf(_("You have no permission to copy and paste object '%s'!"),$this->current['dn']), ERROR_DIALOG);
302 }elseif(count ($msgs) ){
303 foreach( $msgs as $msg){
304 msg_dialog::display(_("Error"), $msg, ERROR_DIALOG);
305 }
306 }else{
307 $this->current['object']->save();
308 $this->lastdn = $this->current['object']->dn;
309 $this->current =FALSE;
311 /* Load next queue entry */
312 $this->load_entry_from_queue();
313 }
314 }
315 if($this->current){
316 $smarty = get_smarty();
317 $smarty->assign("type","copy");
318 $smarty->assign("Complete",false);
319 $smarty->assign("AttributesToFix",$this->generateAttributesToFix());
320 $smarty->assign("SubDialog",$this->current['object']->SubDialog);
321 $smarty->assign("objectDN" ,$this->current['source_data']['dn']);
322 $smarty->assign("message", sprintf(_("You are going to paste the copied entry '%s'."), $this->current['source_data']['dn']));
323 return($smarty->fetch(get_template_path("copyPasteDialog.tpl",FALSE)));
324 }
325 }
326 }
329 /* Return the dn of the last edited entry */
330 function last_entry()
331 {
332 return($this->lastdn);
333 }
336 /* Save new values posted by copy & paste dialog */
337 function save_object()
338 {
339 if(isset($_POST['abort_current_cut-copy_operation'])){
340 $this->current = FALSE;
341 }
343 if(isset($_POST['abort_all_cut-copy_operations'])){
344 $this->cleanup_queue();
345 $this->current = FALSE;
346 }
348 /* Assign posted var to all tabs
349 */
350 if($this->current){
351 $this->current['object']->saveCopyDialog();
352 }
353 }
356 /* Create dialog which asks unique attributes/values ...
357 * call tabs -> getCopyDialog()
358 * which calls tab -> getCopyDialog() */
359 function generateAttributesToFix()
360 {
361 if($this->current){
362 return($this->current['object']->getCopyDialog());
363 }
364 }
367 /* Set a single attribute to specified value
368 * example : ("base", $newBase ); */
369 function SetVar($name,$value)
370 {
371 $this->setvar_array[$name]=$value;
372 }
375 /* Update current object attributes, collected via SetVar */
376 function _update_vars()
377 {
378 if($this->current){
380 /* Update all attributes specified with SetVar */
381 foreach($this->setvar_array as $name => $value){
382 if(isset($this->current['object']->$name)){
383 $this->current['object']->$name = $value;
384 }
385 }
387 /* Walk through tabs */
388 foreach($this->current['object']->by_object as $key => $obj){
390 /* Update all attributes specified with SetVar */
391 foreach($this->setvar_array as $name => $value){
392 if(isset($this->current['object']->by_object[$key]->$name)){
393 $this->current['object']->by_object[$key]->$name = $value;
394 }
395 }
396 }
397 }
398 }
401 /* Returns errors from including tabs. */
402 function check()
403 {
404 $ret = array();
405 foreach($this->current['object']->by_object as $obj){
406 if($obj->is_account || $obj->ignore_account){
407 $ret = array_merge($ret , $obj->check());
408 }
409 }
410 return($ret);
411 }
414 /* returns the paste icon for headpages */
415 function generatePasteIcon()
416 {
417 $Copy_Paste= " <img class='center' src='images/list_seperator.png' align='middle' alt='' height='16' width='1'> ";
418 if($this->entries_queued()){
419 $img= "images/copypaste.png";
420 $Copy_Paste.= "<input type='image' name='editPaste' class='center'
421 src='".$img."' alt='"._("Paste")."'> ";
422 }else{
423 $Copy_Paste.= "<img class='center' src='images/cant_editpaste.png' alt=\""._("Can't paste")."\"> ";
424 }
425 return ($Copy_Paste);
426 }
427 }
428 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
429 ?>