xref: /dokuwiki/lib/plugins/usermanager/admin.php (revision f4aabe763b3ae83161819c991d4c7820523c3524) 
1<?php
2/*
3 *  User Manager
4 *
5 *  Dokuwiki Admin Plugin
6 *
7 *  This version of the user manager has been modified to only work with
8 *  objectified version of auth system
9 *
10 *  @author  neolao <neolao@neolao.com>
11 *  @author  Chris Smith <chris@jalakai.co.uk>
12 */
13// must be run within Dokuwiki
14if(!defined('DOKU_INC')) die();
15
16if(!defined('DOKU_PLUGIN_IMAGES')) define('DOKU_PLUGIN_IMAGES',DOKU_BASE.'lib/plugins/usermanager/images/');
17
18/**
19 * All DokuWiki plugins to extend the admin function
20 * need to inherit from this class
21 */
22class admin_plugin_usermanager extends DokuWiki_Admin_Plugin {
23
24    var $_auth = null;        // auth object
25    var $_user_total = 0;     // number of registered users
26    var $_filter = array();   // user selection filter(s)
27    var $_start = 0;          // index of first user to be displayed
28    var $_last = 0;           // index of the last user to be displayed
29    var $_pagesize = 20;      // number of users to list on one page
30    var $_edit_user = '';     // set to user selected for editing
31    var $_edit_userdata = array();
32    var $_disabled = '';      // if disabled set to explanatory string
33
34    /**
35     * Constructor
36     */
37    function admin_plugin_usermanager(){
38        global $auth;
39
40        $this->setupLocale();
41
42        if (!isset($auth)) {
43          $this->disabled = $this->lang['noauth'];
44        } else if (!$auth->canDo('getUsers')) {
45          $this->disabled = $this->lang['nosupport'];
46        } else {
47
48          // we're good to go
49          $this->_auth = & $auth;
50
51        }
52    }
53
54     /**
55     * return prompt for admin menu
56     */
57    function getMenuText($language) {
58
59        if (!is_null($this->_auth))
60          return parent::getMenuText($language);
61
62        return $this->getLang('menu').' '.$this->disabled;
63    }
64
65    /**
66     * return sort order for position in admin menu
67     */
68    function getMenuSort() {
69        return 2;
70    }
71
72    /**
73     * handle user request
74     */
75    function handle() {
76        global $ID;
77
78        if (is_null($this->_auth)) return false;
79
80        // extract the command and any specific parameters
81        // submit button name is of the form - fn[cmd][param(s)]
82        $fn   = $_REQUEST['fn'];
83
84        if (is_array($fn)) {
85            $cmd = key($fn);
86            $param = is_array($fn[$cmd]) ? key($fn[$cmd]) : null;
87        } else {
88            $cmd = $fn;
89            $param = null;
90        }
91
92        if ($cmd != "search") {
93          if (!empty($_REQUEST['start']))
94            $this->_start = $_REQUEST['start'];
95          $this->_filter = $this->_retrieveFilter();
96        }
97
98        switch($cmd){
99          case "add"    : $this->_addUser(); break;
100          case "delete" : $this->_deleteUser(); break;
101          case "modify" : $this->_modifyUser(); break;
102          case "edit"   : $this->_editUser($param); break;
103          case "search" : $this->_setFilter($param);
104                          $this->_start = 0;
105                          break;
106        }
107
108        $this->_user_total = $this->_auth->canDo('getUserCount') ? $this->_auth->getUserCount($this->_filter) : -1;
109
110        // page handling
111        switch($cmd){
112          case 'start' : $this->_start = 0; break;
113          case 'prev'  : $this->_start -= $this->_pagesize; break;
114          case 'next'  : $this->_start += $this->_pagesize; break;
115          case 'last'  : $this->_start = $this->_user_total; break;
116        }
117        $this->_validatePagination();
118    }
119
120    /**
121     * output appropriate html
122     */
123    function html() {
124        global $ID;
125
126        if(is_null($this->_auth)) {
127            print $this->lang['badauth'];
128            return false;
129        }
130
131        $user_list = $this->_auth->retrieveUsers($this->_start, $this->_pagesize, $this->_filter);
132        $users = array_keys($user_list);
133
134        $page_buttons = $this->_pagination();
135        $delete_disable = $this->_auth->canDo('delUser') ? '' : 'disabled="disabled"';
136
137        $editable = $this->_auth->canDo('UserMod');
138
139        print $this->locale_xhtml('intro');
140        print $this->locale_xhtml('list');
141
142        ptln("<div id=\"user__manager\">");
143        ptln("<div class=\"level2\">");
144
145        if ($this->_user_total > 0) {
146          ptln("<p>".sprintf($this->lang['summary'],$this->_start+1,$this->_last,$this->_user_total,$this->_auth->getUserCount())."</p>");
147        } else {
148          ptln("<p>".sprintf($this->lang['nonefound'],$this->_auth->getUserCount())."</p>");
149        }
150        ptln("<form action=\"".wl($ID)."\" method=\"post\">");
151        formSecurityToken();
152        ptln("  <table class=\"inline\">");
153        ptln("    <thead>");
154        ptln("      <tr>");
155        ptln("        <th>&nbsp;</th><th>".$this->lang["user_id"]."</th><th>".$this->lang["user_name"]."</th><th>".$this->lang["user_mail"]."</th><th>".$this->lang["user_groups"]."</th>");
156        ptln("      </tr>");
157
158        ptln("      <tr>");
159        ptln("        <td class=\"rightalign\"><input type=\"image\" src=\"".DOKU_PLUGIN_IMAGES."search.png\" name=\"fn[search][new]\" title=\"".$this->lang['search_prompt']."\" alt=\"".$this->lang['search']."\" class=\"button\" /></td>");
160        ptln("        <td><input type=\"text\" name=\"userid\" class=\"edit\" value=\"".$this->_htmlFilter('user')."\" /></td>");
161        ptln("        <td><input type=\"text\" name=\"username\" class=\"edit\" value=\"".$this->_htmlFilter('name')."\" /></td>");
162        ptln("        <td><input type=\"text\" name=\"usermail\" class=\"edit\" value=\"".$this->_htmlFilter('mail')."\" /></td>");
163        ptln("        <td><input type=\"text\" name=\"usergroups\" class=\"edit\" value=\"".$this->_htmlFilter('grps')."\" /></td>");
164        ptln("      </tr>");
165        ptln("    </thead>");
166
167        if ($this->_user_total) {
168          ptln("    <tbody>");
169          foreach ($user_list as $user => $userinfo) {
170            extract($userinfo);
171            $groups = join(', ',$grps);
172            ptln("    <tr class=\"user_info\">");
173            ptln("      <td class=\"centeralign\"><input type=\"checkbox\" name=\"delete[".$user."]\" ".$delete_disable." /></td>");
174            if ($editable) {
175              ptln("    <td><a href=\"".wl($ID,array('fn[edit]['.hsc($user).']' => 1,
176                                                     'do' => 'admin',
177                                                     'page' => 'usermanager',
178                                                     'sectok' => getSecurityToken())).
179                   "\" title=\"".$this->lang['edit_prompt']."\">".hsc($user)."</a></td>");
180            } else {
181              ptln("    <td>".hsc($user)."</td>");
182            }
183            ptln("      <td>".hsc($name)."</td><td>".hsc($mail)."</td><td>".hsc($groups)."</td>");
184            ptln("    </tr>");
185          }
186          ptln("    </tbody>");
187        }
188
189        ptln("    <tbody>");
190        ptln("      <tr><td colspan=\"5\" class=\"centeralign\">");
191        ptln("        <span class=\"medialeft\">");
192        ptln("          <input type=\"submit\" name=\"fn[delete]\" ".$delete_disable." class=\"button\" value=\"".$this->lang['delete_selected']."\" id=\"usrmgr__del\" />");
193        ptln("        </span>");
194        ptln("        <span class=\"mediaright\">");
195        ptln("          <input type=\"submit\" name=\"fn[start]\" ".$page_buttons['start']." class=\"button\" value=\"".$this->lang['start']."\" />");
196        ptln("          <input type=\"submit\" name=\"fn[prev]\" ".$page_buttons['prev']." class=\"button\" value=\"".$this->lang['prev']."\" />");
197        ptln("          <input type=\"submit\" name=\"fn[next]\" ".$page_buttons['next']." class=\"button\" value=\"".$this->lang['next']."\" />");
198        ptln("          <input type=\"submit\" name=\"fn[last]\" ".$page_buttons['last']." class=\"button\" value=\"".$this->lang['last']."\" />");
199        ptln("        </span>");
200        ptln("        <input type=\"submit\" name=\"fn[search][clear]\" class=\"button\" value=\"".$this->lang['clear']."\" />");
201        ptln("        <input type=\"hidden\" name=\"do\"    value=\"admin\" />");
202        ptln("        <input type=\"hidden\" name=\"page\"  value=\"usermanager\" />");
203
204        $this->_htmlFilterSettings(2);
205
206        ptln("      </td></tr>");
207        ptln("    </tbody>");
208        ptln("  </table>");
209
210        ptln("</form>");
211        ptln("</div>");
212
213        $style = $this->_edit_user ? " class=\"edit_user\"" : "";
214
215        if ($this->_auth->canDo('addUser')) {
216          ptln("<div".$style.">");
217          print $this->locale_xhtml('add');
218          ptln("  <div class=\"level2\">");
219
220          $this->_htmlUserForm('add',null,array(),4);
221
222          ptln("  </div>");
223          ptln("</div>");
224        }
225
226        if($this->_edit_user  && $this->_auth->canDo('UserMod')){
227          ptln("<div".$style." id=\"scroll__here\">");
228          print $this->locale_xhtml('edit');
229          ptln("  <div class=\"level2\">");
230
231          $this->_htmlUserForm('modify',$this->_edit_user,$this->_edit_userdata,4);
232
233          ptln("  </div>");
234          ptln("</div>");
235        }
236        ptln("</div>");
237    }
238
239
240    /**
241     * @todo disable fields which the backend can't change
242     */
243    function _htmlUserForm($cmd,$user='',$userdata=array(),$indent=0) {
244        global $conf;
245        global $ID;
246
247        $name = $mail = $groups = '';
248        $notes = array();
249
250        if ($user) {
251          extract($userdata);
252          if (!empty($grps)) $groups = join(',',$grps);
253        } else {
254          $notes[] = sprintf($this->lang['note_group'],$conf['defaultgroup']);
255        }
256
257        ptln("<form action=\"".wl($ID)."\" method=\"post\">",$indent);
258        formSecurityToken();
259        ptln("  <table class=\"inline\">",$indent);
260        ptln("    <thead>",$indent);
261        ptln("      <tr><th>".$this->lang["field"]."</th><th>".$this->lang["value"]."</th></tr>",$indent);
262        ptln("    </thead>",$indent);
263        ptln("    <tbody>",$indent);
264
265        $this->_htmlInputField($cmd."_userid",    "userid",    $this->lang["user_id"],    $user,  $this->_auth->canDo("modLogin"), $indent+6);
266        $this->_htmlInputField($cmd."_userpass",  "userpass",  $this->lang["user_pass"],  "",     $this->_auth->canDo("modPass"),  $indent+6);
267        $this->_htmlInputField($cmd."_username",  "username",  $this->lang["user_name"],  $name,  $this->_auth->canDo("modName"),  $indent+6);
268        $this->_htmlInputField($cmd."_usermail",  "usermail",  $this->lang["user_mail"],  $mail,  $this->_auth->canDo("modMail"),  $indent+6);
269        $this->_htmlInputField($cmd."_usergroups","usergroups",$this->lang["user_groups"],$groups,$this->_auth->canDo("modGroups"),$indent+6);
270
271        if ($this->_auth->canDo("modPass")) {
272          $notes[] = $this->lang['note_pass'];
273          if ($user) {
274            $notes[] = $this->lang['note_notify'];
275          }
276
277          ptln("<tr><td><label for=\"".$cmd."_usernotify\" >".$this->lang["user_notify"].": </label></td><td><input type=\"checkbox\" id=\"".$cmd."_usernotify\" name=\"usernotify\" value=\"1\" /></td></tr>", $indent);
278        }
279
280        ptln("    </tbody>",$indent);
281        ptln("    <tbody>",$indent);
282        ptln("      <tr>",$indent);
283        ptln("        <td colspan=\"2\">",$indent);
284        ptln("          <input type=\"hidden\" name=\"do\"    value=\"admin\" />",$indent);
285        ptln("          <input type=\"hidden\" name=\"page\"  value=\"usermanager\" />",$indent);
286
287        // save current $user, we need this to access details if the name is changed
288        if ($user)
289          ptln("          <input type=\"hidden\" name=\"userid_old\"  value=\"".$user."\" />",$indent);
290
291        $this->_htmlFilterSettings($indent+10);
292
293        ptln("          <input type=\"submit\" name=\"fn[".$cmd."]\" class=\"button\" value=\"".$this->lang[$cmd]."\" />",$indent);
294        ptln("        </td>",$indent);
295        ptln("      </tr>",$indent);
296        ptln("    </tbody>",$indent);
297        ptln("  </table>",$indent);
298
299        foreach ($notes as $note)
300          ptln("<div class=\"fn\">".$note."</div>",$indent);
301
302        ptln("</form>",$indent);
303    }
304
305    function _htmlInputField($id, $name, $label, $value, $cando, $indent=0) {
306        $class = $cando ? '' : ' class="disabled"';
307        $disabled = $cando ? '' : ' disabled="disabled"';
308        echo str_pad('',$indent);
309
310        if($name == 'userpass'){
311            $fieldtype = 'password';
312            $autocomp  = 'autocomplete="off"';
313        }else{
314            $fieldtype = 'text';
315            $autocomp  = '';
316        }
317
318
319        echo "<tr $class>";
320        echo "<td><label for=\"$id\" >$label: </label></td>";
321        echo "<td>";
322        if($cando){
323            echo "<input type=\"$fieldtype\" id=\"$id\" name=\"$name\" value=\"$value\" class=\"edit\" $autocomp />";
324        }else{
325            echo "<input type=\"hidden\" name=\"$name\" value=\"$value\" />";
326            echo "<input type=\"$fieldtype\" id=\"$id\" name=\"$name\" value=\"$value\" class=\"edit disabled\" disabled=\"disabled\" />";
327        }
328        echo "</td>";
329        echo "</tr>";
330    }
331
332    function _htmlFilter($key) {
333        if (empty($this->_filter)) return '';
334        return (isset($this->_filter[$key]) ? hsc($this->_filter[$key]) : '');
335    }
336
337    function _htmlFilterSettings($indent=0) {
338
339        ptln("<input type=\"hidden\" name=\"start\" value=\"".$this->_start."\" />",$indent);
340
341        foreach ($this->_filter as $key => $filter) {
342          ptln("<input type=\"hidden\" name=\"filter[".$key."]\" value=\"".hsc($filter)."\" />",$indent);
343        }
344    }
345
346    function _addUser(){
347        if (!checkSecurityToken()) return false;
348        if (!$this->_auth->canDo('addUser')) return false;
349
350        list($user,$pass,$name,$mail,$grps) = $this->_retrieveUser();
351        if (empty($user)) return false;
352
353        if ($this->_auth->canDo('modPass')){
354          if (empty($pass)){
355            if(!empty($_REQUEST['usernotify'])){
356              $pass = auth_pwgen();
357            } else {
358              msg($this->lang['add_fail'], -1);
359              return false;
360            }
361          }
362        } else {
363          if (!empty($pass)){
364            msg($this->lang['add_fail'], -1);
365            return false;
366          }
367        }
368
369        if ($this->_auth->canDo('modName')){
370          if (empty($name)){
371            msg($this->lang['add_fail'], -1);
372            return false;
373          }
374        } else {
375          if (!empty($name)){
376            return false;
377          }
378        }
379
380        if ($this->_auth->canDo('modMail')){
381          if (empty($mail)){
382            msg($this->lang['add_fail'], -1);
383            return false;
384          }
385        } else {
386          if (!empty($mail)){
387            return false;
388          }
389        }
390
391        if ($ok = $this->_auth->triggerUserMod('create', array($user,$pass,$name,$mail,$grps))) {
392
393          msg($this->lang['add_ok'], 1);
394
395          if (!empty($_REQUEST['usernotify']) && $pass) {
396            $this->_notifyUser($user,$pass);
397          }
398        } else {
399          msg($this->lang['add_fail'], -1);
400        }
401
402        return $ok;
403    }
404
405    /**
406     * Delete user
407     */
408    function _deleteUser(){
409        global $conf;
410
411        if (!checkSecurityToken()) return false;
412        if (!$this->_auth->canDo('delUser')) return false;
413
414        $selected = $_REQUEST['delete'];
415        if (!is_array($selected) || empty($selected)) return false;
416        $selected = array_keys($selected);
417
418        if(in_array($_SERVER['REMOTE_USER'], $selected)) {
419            msg("You can't delete yourself!", -1);
420            return false;
421        }
422
423        $count = $this->_auth->triggerUserMod('delete', array($selected));
424        if ($count == count($selected)) {
425          $text = str_replace('%d', $count, $this->lang['delete_ok']);
426          msg("$text.", 1);
427        } else {
428          $part1 = str_replace('%d', $count, $this->lang['delete_ok']);
429          $part2 = str_replace('%d', (count($selected)-$count), $this->lang['delete_fail']);
430          msg("$part1, $part2",-1);
431        }
432
433        // invalidate all sessions
434        io_saveFile($conf['cachedir'].'/sessionpurge',time());
435
436        return true;
437    }
438
439    /**
440     * Edit user (a user has been selected for editing)
441     */
442    function _editUser($param) {
443        if (!checkSecurityToken()) return false;
444        if (!$this->_auth->canDo('UserMod')) return false;
445
446        $user = cleanID(preg_replace('/.*:/','',$param));
447        $userdata = $this->_auth->getUserData($user);
448
449        // no user found?
450        if (!$userdata) {
451          msg($this->lang['edit_usermissing'],-1);
452          return false;
453        }
454
455        $this->_edit_user = $user;
456        $this->_edit_userdata = $userdata;
457
458        return true;
459    }
460
461    /**
462     * Modify user (modified user data has been recieved)
463     */
464    function _modifyUser(){
465        global $conf;
466
467        if (!checkSecurityToken()) return false;
468        if (!$this->_auth->canDo('UserMod')) return false;
469
470        // get currently valid  user data
471        $olduser = cleanID(preg_replace('/.*:/','',$_REQUEST['userid_old']));
472        $oldinfo = $this->_auth->getUserData($olduser);
473
474        // get new user data subject to change
475        list($newuser,$newpass,$newname,$newmail,$newgrps) = $this->_retrieveUser();
476        if (empty($newuser)) return false;
477
478        $changes = array();
479        if ($newuser != $olduser) {
480
481          if (!$this->_auth->canDo('modLogin')) {        // sanity check, shouldn't be possible
482            msg($this->lang['update_fail'],-1);
483            return false;
484          }
485
486          // check if $newuser already exists
487          if ($this->_auth->getUserData($newuser)) {
488            msg(sprintf($this->lang['update_exists'],$newuser),-1);
489            $re_edit = true;
490          } else {
491            $changes['user'] = $newuser;
492          }
493        }
494
495        // generate password if left empty and notification is on
496        if(!empty($_REQUEST['usernotify']) && empty($newpass)){
497            $newpass = auth_pwgen();
498        }
499
500        if (!empty($newpass) && $this->_auth->canDo('modPass'))
501          $changes['pass'] = $newpass;
502        if (!empty($newname) && $this->_auth->canDo('modName') && $newname != $oldinfo['name'])
503          $changes['name'] = $newname;
504        if (!empty($newmail) && $this->_auth->canDo('modMail') && $newmail != $oldinfo['mail'])
505          $changes['mail'] = $newmail;
506        if (!empty($newgrps) && $this->_auth->canDo('modGroups') && $newgrps != $oldinfo['grps'])
507          $changes['grps'] = $newgrps;
508
509        if ($ok = $this->_auth->triggerUserMod('modify', array($olduser, $changes))) {
510          msg($this->lang['update_ok'],1);
511
512          if (!empty($_REQUEST['usernotify']) && $newpass) {
513            $notify = empty($changes['user']) ? $olduser : $newuser;
514            $this->_notifyUser($notify,$newpass);
515          }
516
517          // invalidate all sessions
518          io_saveFile($conf['cachedir'].'/sessionpurge',time());
519
520        } else {
521          msg($this->lang['update_fail'],-1);
522        }
523
524        if (!empty($re_edit)) {
525            $this->_editUser($olduser);
526        }
527
528        return $ok;
529    }
530
531    /**
532     * send password change notification email
533     */
534    function _notifyUser($user, $password) {
535
536        if ($sent = auth_sendPassword($user,$password)) {
537          msg($this->lang['notify_ok'], 1);
538        } else {
539          msg($this->lang['notify_fail'], -1);
540        }
541
542        return $sent;
543    }
544
545    /**
546     * retrieve & clean user data from the form
547     *
548     * @return  array(user, password, full name, email, array(groups))
549     */
550    function _retrieveUser($clean=true) {
551        global $auth;
552
553        $user[0] = ($clean) ? $auth->cleanUser($_REQUEST['userid']) : $_REQUEST['userid'];
554        $user[1] = $_REQUEST['userpass'];
555        $user[2] = $_REQUEST['username'];
556        $user[3] = $_REQUEST['usermail'];
557        $user[4] = explode(',',$_REQUEST['usergroups']);
558
559        $user[4] = array_map('trim',$user[4]);
560        if($clean) $user[4] = array_map(array($auth,'cleanGroup'),$user[4]);
561        $user[4] = array_filter($user[4]);
562        $user[4] = array_unique($user[4]);
563        if(!count($user[4])) $user[4] = null;
564
565        return $user;
566    }
567
568    function _setFilter($op) {
569
570        $this->_filter = array();
571
572        if ($op == 'new') {
573          list($user,$pass,$name,$mail,$grps) = $this->_retrieveUser(false);
574
575          if (!empty($user)) $this->_filter['user'] = $user;
576          if (!empty($name)) $this->_filter['name'] = $name;
577          if (!empty($mail)) $this->_filter['mail'] = $mail;
578          if (!empty($grps)) $this->_filter['grps'] = join('|',$grps);
579        }
580    }
581
582    function _retrieveFilter() {
583
584        $t_filter = $_REQUEST['filter'];
585        if (!is_array($t_filter)) return array();
586
587        // messy, but this way we ensure we aren't getting any additional crap from malicious users
588        $filter = array();
589
590        if (isset($t_filter['user'])) $filter['user'] = $t_filter['user'];
591        if (isset($t_filter['name'])) $filter['name'] = $t_filter['name'];
592        if (isset($t_filter['mail'])) $filter['mail'] = $t_filter['mail'];
593        if (isset($t_filter['grps'])) $filter['grps'] = $t_filter['grps'];
594
595        return $filter;
596    }
597
598    function _validatePagination() {
599
600        if ($this->_start >= $this->_user_total) {
601          $this->_start = $this->_user_total - $this->_pagesize;
602        }
603        if ($this->_start < 0) $this->_start = 0;
604
605        $this->_last = min($this->_user_total, $this->_start + $this->_pagesize);
606    }
607
608    /*
609     *  return an array of strings to enable/disable pagination buttons
610     */
611    function _pagination() {
612
613        $disabled = 'disabled="disabled"';
614
615        $buttons['start'] = $buttons['prev'] = ($this->_start == 0) ? $disabled : '';
616
617        if ($this->_user_total == -1) {
618          $buttons['last'] = $disabled;
619          $buttons['next'] = '';
620        } else {
621          $buttons['last'] = $buttons['next'] = (($this->_start + $this->_pagesize) >= $this->_user_total) ? $disabled : '';
622        }
623
624        return $buttons;
625    }
626}
627