xref: /dokuwiki/lib/plugins/usermanager/admin.php (revision c2a6d81662045023bdf1617b6b49f71c274d55ca) 
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 = & $auth;
50
51        }
52    }
53
54    /**
55     * return some info
56     */
57    function getInfo(){
58
59        return array(
60            'author' => 'Chris Smith',
61            'email'  => 'chris@jalakai.co.uk',
62            'date'   => '2008-09-17',
63            'name'   => 'User Manager',
64            'desc'   => 'Manage users '.$this->disabled,
65            'url'    => 'http://dokuwiki.org/plugin:usermanager',
66        );
67    }
68     /**
69     * return prompt for admin menu
70     */
71    function getMenuText($language) {
72
73        if (!is_null($this->_auth))
74          return parent::getMenuText($language);
75
76        return $this->getLang('menu').' '.$this->disabled;
77    }
78
79    /**
80     * return sort order for position in admin menu
81     */
82    function getMenuSort() {
83        return 2;
84    }
85
86    /**
87     * handle user request
88     */
89    function handle() {
90        global $ID;
91
92        if (is_null($this->_auth)) return false;
93
94        // extract the command and any specific parameters
95        // submit button name is of the form - fn[cmd][param(s)]
96        $fn   = $_REQUEST['fn'];
97
98        if (is_array($fn)) {
99            $cmd = key($fn);
100            $param = is_array($fn[$cmd]) ? key($fn[$cmd]) : null;
101        } else {
102            $cmd = $fn;
103            $param = null;
104        }
105
106        if ($cmd != "search") {
107          if (!empty($_REQUEST['start']))
108            $this->_start = $_REQUEST['start'];
109          $this->_filter = $this->_retrieveFilter();
110        }
111
112        switch($cmd){
113          case "add"    : $this->_addUser(); break;
114          case "delete" : $this->_deleteUser(); break;
115          case "modify" : $this->_modifyUser(); break;
116          case "edit"   : $this->_editUser($param); break;
117          case "search" : $this->_setFilter($param);
118                          $this->_start = 0;
119                          break;
120        }
121
122        $this->_user_total = $this->_auth->canDo('getUserCount') ? $this->_auth->getUserCount($this->_filter) : -1;
123
124        // page handling
125        switch($cmd){
126          case 'start' : $this->_start = 0; break;
127          case 'prev'  : $this->_start -= $this->_pagesize; break;
128          case 'next'  : $this->_start += $this->_pagesize; break;
129          case 'last'  : $this->_start = $this->_user_total; break;
130        }
131        $this->_validatePagination();
132    }
133
134    /**
135     * output appropriate html
136     */
137    function html() {
138        global $ID;
139
140        if(is_null($this->_auth)) {
141            print $this->lang['badauth'];
142            return false;
143        }
144
145        $user_list = $this->_auth->retrieveUsers($this->_start, $this->_pagesize, $this->_filter);
146        $users = array_keys($user_list);
147
148        $page_buttons = $this->_pagination();
149        $delete_disable = $this->_auth->canDo('delUser') ? '' : 'disabled="disabled"';
150
151        $editable = $this->_auth->canDo('UserMod');
152
153        print $this->locale_xhtml('intro');
154        print $this->locale_xhtml('list');
155
156        ptln("<div id=\"user__manager\">");
157        ptln("<div class=\"level2\">");
158
159        if ($this->_user_total > 0) {
160          ptln("<p>".sprintf($this->lang['summary'],$this->_start+1,$this->_last,$this->_user_total,$this->_auth->getUserCount())."</p>");
161        } else {
162          ptln("<p>".sprintf($this->lang['nonefound'],$this->_auth->getUserCount())."</p>");
163        }
164        ptln("<form action=\"".wl($ID)."\" method=\"post\">");
165        formSecurityToken();
166        ptln("  <table class=\"inline\">");
167        ptln("    <thead>");
168        ptln("      <tr>");
169        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>");
170        ptln("      </tr>");
171
172        ptln("      <tr>");
173        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>");
174        ptln("        <td><input type=\"text\" name=\"userid\" class=\"edit\" value=\"".$this->_htmlFilter('user')."\" /></td>");
175        ptln("        <td><input type=\"text\" name=\"username\" class=\"edit\" value=\"".$this->_htmlFilter('name')."\" /></td>");
176        ptln("        <td><input type=\"text\" name=\"usermail\" class=\"edit\" value=\"".$this->_htmlFilter('mail')."\" /></td>");
177        ptln("        <td><input type=\"text\" name=\"usergroups\" class=\"edit\" value=\"".$this->_htmlFilter('grps')."\" /></td>");
178        ptln("      </tr>");
179        ptln("    </thead>");
180
181        if ($this->_user_total) {
182          ptln("    <tbody>");
183          foreach ($user_list as $user => $userinfo) {
184            extract($userinfo);
185            $groups = join(', ',$grps);
186            ptln("    <tr class=\"user_info\">");
187            ptln("      <td class=\"centeralign\"><input type=\"checkbox\" name=\"delete[".$user."]\" ".$delete_disable." /></td>");
188            if ($editable) {
189              ptln("    <td><a href=\"".wl($ID,array('fn[edit]['.hsc($user).']' => 1,
190                                                     'do' => 'admin',
191                                                     'page' => 'usermanager',
192                                                     'sectok' => getSecurityToken())).
193                   "\" title=\"".$this->lang['edit_prompt']."\">".hsc($user)."</a></td>");
194            } else {
195              ptln("    <td>".hsc($user)."</td>");
196            }
197            ptln("      <td>".hsc($name)."</td><td>".hsc($mail)."</td><td>".hsc($groups)."</td>");
198            ptln("    </tr>");
199          }
200          ptln("    </tbody>");
201        }
202
203        ptln("    <tbody>");
204        ptln("      <tr><td colspan=\"5\" class=\"centeralign\">");
205        ptln("        <span class=\"medialeft\">");
206        ptln("          <input type=\"submit\" name=\"fn[delete]\" ".$delete_disable." class=\"button\" value=\"".$this->lang['delete_selected']."\" id=\"usrmgr__del\" />");
207        ptln("        </span>");
208        ptln("        <span class=\"mediaright\">");
209        ptln("          <input type=\"submit\" name=\"fn[start]\" ".$page_buttons['start']." class=\"button\" value=\"".$this->lang['start']."\" />");
210        ptln("          <input type=\"submit\" name=\"fn[prev]\" ".$page_buttons['prev']." class=\"button\" value=\"".$this->lang['prev']."\" />");
211        ptln("          <input type=\"submit\" name=\"fn[next]\" ".$page_buttons['next']." class=\"button\" value=\"".$this->lang['next']."\" />");
212        ptln("          <input type=\"submit\" name=\"fn[last]\" ".$page_buttons['last']." class=\"button\" value=\"".$this->lang['last']."\" />");
213        ptln("        </span>");
214        ptln("        <input type=\"submit\" name=\"fn[search][clear]\" class=\"button\" value=\"".$this->lang['clear']."\" />");
215        ptln("        <input type=\"hidden\" name=\"do\"    value=\"admin\" />");
216        ptln("        <input type=\"hidden\" name=\"page\"  value=\"usermanager\" />");
217
218        $this->_htmlFilterSettings(2);
219
220        ptln("      </td></tr>");
221        ptln("    </tbody>");
222        ptln("  </table>");
223
224        ptln("</form>");
225        ptln("</div>");
226
227        $style = $this->_edit_user ? " class=\"edit_user\"" : "";
228
229        if ($this->_auth->canDo('addUser')) {
230          ptln("<div".$style.">");
231          print $this->locale_xhtml('add');
232          ptln("  <div class=\"level2\">");
233
234          $this->_htmlUserForm('add',null,array(),4);
235
236          ptln("  </div>");
237          ptln("</div>");
238        }
239
240        if($this->_edit_user  && $this->_auth->canDo('UserMod')){
241          ptln("<div".$style." id=\"scroll__here\">");
242          print $this->locale_xhtml('edit');
243          ptln("  <div class=\"level2\">");
244
245          $this->_htmlUserForm('modify',$this->_edit_user,$this->_edit_userdata,4);
246
247          ptln("  </div>");
248          ptln("</div>");
249        }
250        ptln("</div>");
251    }
252
253
254    /**
255     * @todo disable fields which the backend can't change
256     */
257    function _htmlUserForm($cmd,$user='',$userdata=array(),$indent=0) {
258        global $conf;
259        global $ID;
260
261        $name = $mail = $groups = '';
262        $notes = array();
263
264        if ($user) {
265          extract($userdata);
266          if (!empty($grps)) $groups = join(',',$grps);
267        } else {
268          $notes[] = sprintf($this->lang['note_group'],$conf['defaultgroup']);
269        }
270
271        ptln("<form action=\"".wl($ID)."\" method=\"post\">",$indent);
272        formSecurityToken();
273        ptln("  <table class=\"inline\">",$indent);
274        ptln("    <thead>",$indent);
275        ptln("      <tr><th>".$this->lang["field"]."</th><th>".$this->lang["value"]."</th></tr>",$indent);
276        ptln("    </thead>",$indent);
277        ptln("    <tbody>",$indent);
278
279        $this->_htmlInputField($cmd."_userid",    "userid",    $this->lang["user_id"],    $user,  $this->_auth->canDo("modLogin"), $indent+6);
280        $this->_htmlInputField($cmd."_userpass",  "userpass",  $this->lang["user_pass"],  "",     $this->_auth->canDo("modPass"),  $indent+6);
281        $this->_htmlInputField($cmd."_username",  "username",  $this->lang["user_name"],  $name,  $this->_auth->canDo("modName"),  $indent+6);
282        $this->_htmlInputField($cmd."_usermail",  "usermail",  $this->lang["user_mail"],  $mail,  $this->_auth->canDo("modMail"),  $indent+6);
283        $this->_htmlInputField($cmd."_usergroups","usergroups",$this->lang["user_groups"],$groups,$this->_auth->canDo("modGroups"),$indent+6);
284
285        if ($this->_auth->canDo("modPass")) {
286          $notes[] = $this->lang['note_pass'];
287          if ($user) {
288            $notes[] = $this->lang['note_notify'];
289          }
290
291          ptln("<tr><td><label for=\"".$cmd."_usernotify\" >".$this->lang["user_notify"].": </label></td><td><input type=\"checkbox\" id=\"".$cmd."_usernotify\" name=\"usernotify\" value=\"1\" /></td></tr>", $indent);
292        }
293
294        ptln("    </tbody>",$indent);
295        ptln("    <tbody>",$indent);
296        ptln("      <tr>",$indent);
297        ptln("        <td colspan=\"2\">",$indent);
298        ptln("          <input type=\"hidden\" name=\"do\"    value=\"admin\" />",$indent);
299        ptln("          <input type=\"hidden\" name=\"page\"  value=\"usermanager\" />",$indent);
300
301        // save current $user, we need this to access details if the name is changed
302        if ($user)
303          ptln("          <input type=\"hidden\" name=\"userid_old\"  value=\"".$user."\" />",$indent);
304
305        $this->_htmlFilterSettings($indent+10);
306
307        ptln("          <input type=\"submit\" name=\"fn[".$cmd."]\" class=\"button\" value=\"".$this->lang[$cmd]."\" />",$indent);
308        ptln("        </td>",$indent);
309        ptln("      </tr>",$indent);
310        ptln("    </tbody>",$indent);
311        ptln("  </table>",$indent);
312
313        foreach ($notes as $note)
314          ptln("<div class=\"fn\">".$note."</div>",$indent);
315
316        ptln("</form>",$indent);
317    }
318
319    function _htmlInputField($id, $name, $label, $value, $cando, $indent=0) {
320        $class = $cando ? '' : ' class="disabled"';
321        $disabled = $cando ? '' : ' disabled="disabled"';
322        echo str_pad('',$indent);
323
324        $fieldtype = ($name == "userpass") ? 'password'  : 'text';
325
326        echo "<tr $class>";
327        echo "<td><label for=\"$id\" >$label: </label></td>";
328        echo "<td>";
329        if($cando){
330            echo "<input type=\"$fieldtype\" id=\"$id\" name=\"$name\" value=\"$value\" class=\"edit\" />";
331        }else{
332            echo "<input type=\"hidden\" name=\"$name\" value=\"$value\" />";
333            echo "<input type=\"$fieldtype\" id=\"$id\" name=\"$name\" value=\"$value\" class=\"edit disabled\" disabled=\"disabled\" />";
334        }
335        echo "</td>";
336        echo "</tr>";
337    }
338
339    function _htmlFilter($key) {
340        if (empty($this->_filter)) return '';
341        return (isset($this->_filter[$key]) ? hsc($this->_filter[$key]) : '');
342    }
343
344    function _htmlFilterSettings($indent=0) {
345
346        ptln("<input type=\"hidden\" name=\"start\" value=\"".$this->_start."\" />",$indent);
347
348        foreach ($this->_filter as $key => $filter) {
349          ptln("<input type=\"hidden\" name=\"filter[".$key."]\" value=\"".hsc($filter)."\" />",$indent);
350        }
351    }
352
353    function _addUser(){
354        if (!checkSecurityToken()) return false;
355        if (!$this->_auth->canDo('addUser')) return false;
356
357        list($user,$pass,$name,$mail,$grps) = $this->_retrieveUser();
358        if (empty($user)) return false;
359
360        if ($this->_auth->canDo('modPass')){
361          if (empty($pass)){
362            if(!empty($_REQUEST['usernotify'])){
363              $pass = auth_pwgen();
364            } else {
365              msg($this->lang['add_fail'], -1);
366              return false;
367            }
368          }
369        } else {
370          if (!empty($pass)){
371            msg($this->lang['add_fail'], -1);
372            return false;
373          }
374        }
375
376        if ($this->_auth->canDo('modName')){
377          if (empty($name)){
378            msg($this->lang['add_fail'], -1);
379            return false;
380          }
381        } else {
382          if (!empty($name)){
383            return false;
384          }
385        }
386
387        if ($this->_auth->canDo('modMail')){
388          if (empty($mail)){
389            msg($this->lang['add_fail'], -1);
390            return false;
391          }
392        } else {
393          if (!empty($mail)){
394          	return false;
395          }
396        }
397
398        if ($ok = $this->_auth->triggerUserMod('create', array($user,$pass,$name,$mail,$grps))) {
399
400          msg($this->lang['add_ok'], 1);
401
402          if (!empty($_REQUEST['usernotify']) && $pass) {
403            $this->_notifyUser($user,$pass);
404          }
405        } else {
406          msg($this->lang['add_fail'], -1);
407        }
408
409        return $ok;
410    }
411
412    /**
413     * Delete user
414     */
415    function _deleteUser(){
416        global $conf;
417
418        if (!checkSecurityToken()) return false;
419        if (!$this->_auth->canDo('delUser')) return false;
420
421        $selected = $_REQUEST['delete'];
422        if (!is_array($selected) || empty($selected)) return false;
423        $selected = array_keys($selected);
424
425        if(in_array($_SERVER['REMOTE_USER'], $selected)) {
426            msg("You can't delete yourself!", -1);
427            return false;
428        }
429
430        $count = $this->_auth->triggerUserMod('delete', array($selected));
431        if ($count == count($selected)) {
432          $text = str_replace('%d', $count, $this->lang['delete_ok']);
433          msg("$text.", 1);
434        } else {
435          $part1 = str_replace('%d', $count, $this->lang['delete_ok']);
436          $part2 = str_replace('%d', (count($selected)-$count), $this->lang['delete_fail']);
437          msg("$part1, $part2",-1);
438        }
439
440        // invalidate all sessions
441        io_saveFile($conf['cachedir'].'/sessionpurge',time());
442
443        return true;
444    }
445
446    /**
447     * Edit user (a user has been selected for editing)
448     */
449    function _editUser($param) {
450        if (!checkSecurityToken()) return false;
451        if (!$this->_auth->canDo('UserMod')) return false;
452
453        $user = cleanID(preg_replace('/.*:/','',$param));
454        $userdata = $this->_auth->getUserData($user);
455
456        // no user found?
457        if (!$userdata) {
458          msg($this->lang['edit_usermissing'],-1);
459          return false;
460        }
461
462        $this->_edit_user = $user;
463        $this->_edit_userdata = $userdata;
464
465        return true;
466    }
467
468    /**
469     * Modify user (modified user data has been recieved)
470     */
471    function _modifyUser(){
472        global $conf;
473
474        if (!checkSecurityToken()) return false;
475        if (!$this->_auth->canDo('UserMod')) return false;
476
477        // get currently valid  user data
478        $olduser = cleanID(preg_replace('/.*:/','',$_REQUEST['userid_old']));
479        $oldinfo = $this->_auth->getUserData($olduser);
480
481        // get new user data subject to change
482        list($newuser,$newpass,$newname,$newmail,$newgrps) = $this->_retrieveUser();
483        if (empty($newuser)) return false;
484
485        $changes = array();
486        if ($newuser != $olduser) {
487
488          if (!$this->_auth->canDo('modLogin')) {        // sanity check, shouldn't be possible
489            msg($this->lang['update_fail'],-1);
490            return false;
491          }
492
493          // check if $newuser already exists
494          if ($this->_auth->getUserData($newuser)) {
495            msg(sprintf($this->lang['update_exists'],$newuser),-1);
496            $re_edit = true;
497          } else {
498            $changes['user'] = $newuser;
499          }
500        }
501
502        if (!empty($newpass) && $this->_auth->canDo('modPass'))
503          $changes['pass'] = $newpass;
504        if (!empty($newname) && $this->_auth->canDo('modName') && $newname != $oldinfo['name'])
505          $changes['name'] = $newname;
506        if (!empty($newmail) && $this->_auth->canDo('modMail') && $newmail != $oldinfo['mail'])
507          $changes['mail'] = $newmail;
508        if (!empty($newgrps) && $this->_auth->canDo('modGroups') && $newgrps != $oldinfo['grps'])
509          $changes['grps'] = $newgrps;
510
511        if ($ok = $this->_auth->triggerUserMod('modify', array($olduser, $changes))) {
512          msg($this->lang['update_ok'],1);
513
514          if (!empty($_REQUEST['usernotify']) && $newpass) {
515            $notify = empty($changes['user']) ? $olduser : $newuser;
516            $this->_notifyUser($notify,$newpass);
517          }
518
519          // invalidate all sessions
520          io_saveFile($conf['cachedir'].'/sessionpurge',time());
521
522        } else {
523          msg($this->lang['update_fail'],-1);
524        }
525
526        if (!empty($re_edit)) {
527            $this->_editUser($olduser);
528        }
529
530        return $ok;
531    }
532
533    /**
534     * send password change notification email
535     */
536    function _notifyUser($user, $password) {
537
538        if ($sent = auth_sendPassword($user,$password)) {
539          msg($this->lang['notify_ok'], 1);
540        } else {
541          msg($this->lang['notify_fail'], -1);
542        }
543
544        return $sent;
545    }
546
547    /**
548     * retrieve & clean user data from the form
549     *
550     * @return  array(user, password, full name, email, array(groups))
551     */
552    function _retrieveUser($clean=true) {
553
554        $user[0] = ($clean) ? cleanID(preg_replace('/.*:/','',$_REQUEST['userid'])) : $_REQUEST['userid'];
555        $user[1] = $_REQUEST['userpass'];
556        $user[2] = $_REQUEST['username'];
557        $user[3] = $_REQUEST['usermail'];
558        $user[4] = preg_split('/\s*,\s*/',$_REQUEST['usergroups'],-1,PREG_SPLIT_NO_EMPTY);
559
560        if (empty($user[4]) || (is_array($user[4]) && (count($user[4]) == 1) && (trim($user[4][0]) == ''))) {
561            $user[4] = null;
562        }
563
564        return $user;
565    }
566
567    function _setFilter($op) {
568
569        $this->_filter = array();
570
571        if ($op == 'new') {
572          list($user,$pass,$name,$mail,$grps) = $this->_retrieveUser(false);
573
574          if (!empty($user)) $this->_filter['user'] = $user;
575          if (!empty($name)) $this->_filter['name'] = $name;
576          if (!empty($mail)) $this->_filter['mail'] = $mail;
577          if (!empty($grps)) $this->_filter['grps'] = join('|',$grps);
578        }
579    }
580
581    function _retrieveFilter() {
582
583        $t_filter = $_REQUEST['filter'];
584        if (!is_array($t_filter)) return array();
585
586        // messy, but this way we ensure we aren't getting any additional crap from malicious users
587        $filter = array();
588
589        if (isset($t_filter['user'])) $filter['user'] = $t_filter['user'];
590        if (isset($t_filter['name'])) $filter['name'] = $t_filter['name'];
591        if (isset($t_filter['mail'])) $filter['mail'] = $t_filter['mail'];
592        if (isset($t_filter['grps'])) $filter['grps'] = $t_filter['grps'];
593
594        return $filter;
595    }
596
597    function _validatePagination() {
598
599        if ($this->_start >= $this->_user_total) {
600          $this->_start = $this->_user_total - $this->_pagesize;
601        }
602        if ($this->_start < 0) $this->_start = 0;
603
604        $this->_last = min($this->_user_total, $this->_start + $this->_pagesize);
605    }
606
607    /*
608     *  return an array of strings to enable/disable pagination buttons
609     */
610    function _pagination() {
611
612        $disabled = 'disabled="disabled"';
613
614        $buttons['start'] = $buttons['prev'] = ($this->_start == 0) ? $disabled : '';
615
616        if ($this->_user_total == -1) {
617          $buttons['last'] = $disabled;
618          $buttons['next'] = '';
619        } else {
620          $buttons['last'] = $buttons['next'] = (($this->_start + $this->_pagesize) >= $this->_user_total) ? $disabled : '';
621        }
622
623        return $buttons;
624    }
625}
626