xref: /dokuwiki/lib/plugins/usermanager/admin.php (revision 535bed707571573f6670f91094e3c8eed6d9420c) 
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')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
17if(!defined('DOKU_PLUGIN_IMAGES')) define('DOKU_PLUGIN_IMAGES',DOKU_BASE.'lib/plugins/usermanager/images/');
18require_once(DOKU_PLUGIN.'admin.php');
19
20/**
21 * All DokuWiki plugins to extend the admin function
22 * need to inherit from this class
23 */
24class admin_plugin_usermanager extends DokuWiki_Admin_Plugin {
25
26    var $_auth = null;        // auth object
27    var $_user_total = 0;     // number of registered users
28    var $_filter = array();   // user selection filter(s)
29    var $_start = 0;          // index of first user to be displayed
30    var $_last = 0;           // index of the last user to be displayed
31    var $_pagesize = 20;      // number of users to list on one page
32    var $_edit_user = '';     // set to user selected for editing
33    var $_edit_userdata = array();
34    var $_disabled = '';      // if disabled set to explanatory string
35
36    /**
37     * Constructor
38     */
39    function admin_plugin_usermanager(){
40        global $auth;
41
42        $this->setupLocale();
43
44        if (!isset($auth)) {
45          $this->disabled = $this->lang['noauth'];
46        } else if (!$auth->canDo('getUsers')) {
47          $this->disabled = $this->lang['nosupport'];
48        } else {
49
50          // we're good to go
51          $this->_auth = & $auth;
52
53        }
54    }
55
56    /**
57     * return some info
58     */
59    function getInfo(){
60
61        return array(
62            'author' => 'Chris Smith',
63            'email'  => 'chris@jalakai.co.uk',
64            'date'   => '2005-11-24',
65            'name'   => 'User Manager',
66            'desc'   => 'Manage users '.$this->disabled,
67            'url'    => 'http://dokuwiki.org/plugin:usermanager',
68        );
69    }
70     /**
71     * return prompt for admin menu
72     */
73    function getMenuText($language) {
74
75        if (!is_null($this->_auth))
76          return parent::getMenuText($language);
77
78        return $this->getLang('menu').' '.$this->disabled;
79    }
80
81    /**
82     * return sort order for position in admin menu
83     */
84    function getMenuSort() {
85        return 2;
86    }
87
88    /**
89     * handle user request
90     */
91    function handle() {
92        global $ID;
93
94        if (is_null($this->_auth)) return false;
95
96        // extract the command and any specific parameters
97        // submit button name is of the form - fn[cmd][param(s)]
98        $fn   = $_REQUEST['fn'];
99
100        if (is_array($fn)) {
101            $cmd = key($fn);
102            $param = is_array($fn[$cmd]) ? key($fn[$cmd]) : null;
103        } else {
104            $cmd = $fn;
105            $param = null;
106        }
107
108        if ($cmd != "search") {
109          if (!empty($_REQUEST['start']))
110            $this->_start = $_REQUEST['start'];
111          $this->_filter = $this->_retrieveFilter();
112        }
113
114        switch($cmd){
115          case "add"    : $this->_addUser(); break;
116          case "delete" : $this->_deleteUser(); break;
117          case "modify" : $this->_modifyUser(); break;
118          case "edit"   : $this->_editUser($param); break;
119          case "search" : $this->_setFilter($param);
120                          $this->_start = 0;
121                          break;
122        }
123
124        $this->_user_total = $this->_auth->canDo('getUserCount') ? $this->_auth->getUserCount($this->_filter) : -1;
125
126        // page handling
127        switch($cmd){
128          case 'start' : $this->_start = 0; break;
129          case 'prev'  : $this->_start -= $this->_pagesize; break;
130          case 'next'  : $this->_start += $this->_pagesize; break;
131          case 'last'  : $this->_start = $this->_user_total; break;
132        }
133        $this->_validatePagination();
134    }
135
136    /**
137     * output appropriate html
138     */
139    function html() {
140        global $ID;
141
142        if(is_null($this->_auth)) {
143            print $this->lang['badauth'];
144            return false;
145        }
146
147        $user_list = $this->_auth->retrieveUsers($this->_start, $this->_pagesize, $this->_filter);
148        $users = array_keys($user_list);
149
150        $page_buttons = $this->_pagination();
151        $delete_disable = $this->_auth->canDo('delUser') ? '' : 'disabled="disabled"';
152
153        if ($this->_auth->canDo('UserMod')) {
154            $edit_disable = '';
155            $img_useredit = 'user_edit.png';
156        } else {
157            $edit_disable = 'disabled="disabled"';
158            $img_useredit = 'no_user_edit.png';
159        }
160
161        print $this->locale_xhtml('intro');
162        print $this->locale_xhtml('list');
163
164        ptln("<div id=\"user__manager\">");
165        ptln("<div class=\"level2\">");
166
167        if ($this->_user_total > 0) {
168          ptln("<p>".sprintf($this->lang['summary'],$this->_start+1,$this->_last,$this->_user_total,$this->_auth->getUserCount())."</p>");
169        } else {
170          ptln("<p>".sprintf($this->lang['nonefound'],$this->_auth->getUserCount())."</p>");
171        }
172        ptln("<form action=\"".wl($ID)."\" method=\"post\">");
173        formSecurityToken();
174        ptln("  <table class=\"inline\">");
175        ptln("    <thead>");
176        ptln("      <tr>");
177        ptln("        <th colspan=\"2\">&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>");
178        ptln("      </tr>");
179
180        ptln("      <tr>");
181        ptln("        <td colspan=\"2\" class=\"rightalign\"><input type=\"image\" src=\"".DOKU_PLUGIN_IMAGES."search.png\" name=\"fn[search][new]\" title=\"".$this->lang['search_prompt']."\" alt=\"".$this->lang['search']."\" /></td>");
182        ptln("        <td><input type=\"text\" name=\"userid\" class=\"edit\" value=\"".$this->_htmlFilter('user')."\" /></td>");
183        ptln("        <td><input type=\"text\" name=\"username\" class=\"edit\" value=\"".$this->_htmlFilter('name')."\" /></td>");
184        ptln("        <td><input type=\"text\" name=\"usermail\" class=\"edit\" value=\"".$this->_htmlFilter('mail')."\" /></td>");
185        ptln("        <td><input type=\"text\" name=\"usergroups\" class=\"edit\" value=\"".$this->_htmlFilter('grps')."\" /></td>");
186        ptln("      </tr>");
187        ptln("    </thead>");
188
189        if ($this->_user_total) {
190          ptln("    <tbody>");
191          foreach ($user_list as $user => $userinfo) {
192            extract($userinfo);
193            $groups = join(', ',$grps);
194            ptln("    <tr class=\"user_info\">");
195            ptln("      <td class=\"centeralign\"><input type=\"checkbox\" name=\"delete[".$user."]\" ".$delete_disable." /></td>");
196            ptln("      <td class=\"centeralign\"><input type=\"image\" name=\"fn[edit][".$user."]\" ".$edit_disable." src=\"".DOKU_PLUGIN_IMAGES.$img_useredit."\" title=\"".$this->lang['edit_prompt']."\" alt=\"".$this->lang['edit']."\"/></td>");
197            ptln("      <td>".hsc($user)."</td><td>".hsc($name)."</td><td>".hsc($mail)."</td><td>".hsc($groups)."</td>");
198            ptln("    </tr>");
199          }
200          ptln("    </tbody>");
201        }
202
203        ptln("    <tbody>");
204        ptln("      <tr><td colspan=\"6\" class=\"centeralign\">");
205        ptln("        <span class=\"medialeft\">");
206        ptln("          <input type=\"submit\" name=\"fn[delete]\" ".$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        $disabled = $cando ? "" : " disabled=\"disabled\"";
321        $class = $cando ? "" : " class=\"disabled\"";
322        ptln("<tr".$class."><td><label for=\"".$id."\" >".$label.": </label></td><td><input type=\"text\" id=\"".$id."\" name=\"".$name."\" value=\"".$value."\"".$disabled." class=\"edit\" /></td></tr>",$indent);
323    }
324
325    function _htmlFilter($key) {
326        if (empty($this->_filter)) return '';
327        return (isset($this->_filter[$key]) ? hsc($this->_filter[$key]) : '');
328    }
329
330    function _htmlFilterSettings($indent=0) {
331
332        ptln("<input type=\"hidden\" name=\"start\" value=\"".$this->_start."\" />",$indent);
333
334        foreach ($this->_filter as $key => $filter) {
335          ptln("<input type=\"hidden\" name=\"filter[".$key."]\" value=\"".hsc($filter)."\" />",$indent);
336        }
337    }
338
339    function _addUser(){
340        if (!checkSecurityToken()) return false;
341        if (!$this->_auth->canDo('addUser')) return false;
342
343        list($user,$pass,$name,$mail,$grps) = $this->_retrieveUser();
344        if (empty($user)) return false;
345        if (empty($pass)){
346          if(!empty($_REQUEST['usernotify'])){
347            $pass = auth_pwgen();
348          } else {
349            return false;
350          }
351        }
352        if (empty($name) || empty($mail)){
353          msg($this->lang['add_fail'], -1);
354          return false;
355        }
356
357        if ($ok = $this->_auth->triggerUserMod('create', array($user,$pass,$name,$mail,$grps))) {
358
359          msg($this->lang['add_ok'], 1);
360
361          if (!empty($_REQUEST['usernotify']) && $pass) {
362            $this->_notifyUser($user,$pass);
363          }
364        } else {
365          msg($this->lang['add_fail'], -1);
366        }
367
368        return $ok;
369    }
370
371    /**
372     * Delete user
373     */
374    function _deleteUser(){
375        global $conf;
376
377        if (!checkSecurityToken()) return false;
378        if (!$this->_auth->canDo('delUser')) return false;
379
380        $selected = $_REQUEST['delete'];
381        if (!is_array($selected) || empty($selected)) return false;
382        $selected = array_keys($selected);
383
384        $count = $this->_auth->triggerUserMod('delete', array($selected));
385        if ($count == count($selected)) {
386          $text = str_replace('%d', $count, $this->lang['delete_ok']);
387          msg("$text.", 1);
388        } else {
389          $part1 = str_replace('%d', $count, $this->lang['delete_ok']);
390          $part2 = str_replace('%d', (count($selected)-$count), $this->lang['delete_fail']);
391          msg("$part1, $part2",-1);
392        }
393
394        // invalidate all sessions
395        io_saveFile($conf['cachedir'].'/sessionpurge',time());
396
397        return true;
398    }
399
400    /**
401     * Edit user (a user has been selected for editing)
402     */
403    function _editUser($param) {
404        if (!checkSecurityToken()) return false;
405        if (!$this->_auth->canDo('UserMod')) return false;
406
407        $user = cleanID(preg_replace('/.*:/','',$param));
408        $userdata = $this->_auth->getUserData($user);
409
410        // no user found?
411        if (!$userdata) {
412          msg($this->lang['edit_usermissing'],-1);
413          return false;
414        }
415
416        $this->_edit_user = $user;
417        $this->_edit_userdata = $userdata;
418
419        return true;
420    }
421
422    /**
423     * Modify user (modified user data has been recieved)
424     */
425    function _modifyUser(){
426        global $conf;
427
428        if (!checkSecurityToken()) return false;
429        if (!$this->_auth->canDo('UserMod')) return false;
430
431        // get currently valid  user data
432        $olduser = cleanID(preg_replace('/.*:/','',$_REQUEST['userid_old']));
433        $oldinfo = $this->_auth->getUserData($olduser);
434
435        // get new user data subject to change
436        list($newuser,$newpass,$newname,$newmail,$newgrps) = $this->_retrieveUser();
437        if (empty($newuser)) return false;
438
439        $changes = array();
440        if ($newuser != $olduser) {
441
442          if (!$this->_auth->canDo('modLogin')) {        // sanity check, shouldn't be possible
443            msg($this->lang['update_fail'],-1);
444            return false;
445          }
446
447          // check if $newuser already exists
448          if ($this->_auth->getUserData($newuser)) {
449            msg(sprintf($this->lang['update_exists'],$newuser),-1);
450            $re_edit = true;
451          } else {
452            $changes['user'] = $newuser;
453          }
454        }
455
456        if (!empty($newpass) && $this->_auth->canDo('modPass'))
457          $changes['pass'] = $newpass;
458        if (!empty($newname) && $this->_auth->canDo('modName') && $newname != $oldinfo['name'])
459          $changes['name'] = $newname;
460        if (!empty($newmail) && $this->_auth->canDo('modMail') && $newmail != $oldinfo['mail'])
461          $changes['mail'] = $newmail;
462        if (!empty($newgrps) && $this->_auth->canDo('modGroups') && $newgrps != $oldinfo['grps'])
463          $changes['grps'] = $newgrps;
464
465        if ($ok = $this->_auth->triggerUserMod('modify', array($olduser, $changes))) {
466          msg($this->lang['update_ok'],1);
467
468          if (!empty($_REQUEST['usernotify']) && $newpass) {
469            $notify = empty($changes['user']) ? $olduser : $newuser;
470            $this->_notifyUser($notify,$newpass);
471          }
472
473          // invalidate all sessions
474          io_saveFile($conf['cachedir'].'/sessionpurge',time());
475
476        } else {
477          msg($this->lang['update_fail'],-1);
478        }
479
480        if (!empty($re_edit)) {
481            $this->_editUser($olduser);
482        }
483
484        return $ok;
485    }
486
487    /**
488     * send password change notification email
489     */
490    function _notifyUser($user, $password) {
491
492        if ($sent = auth_sendPassword($user,$password)) {
493          msg($this->lang['notify_ok'], 1);
494        } else {
495          msg($this->lang['notify_fail'], -1);
496        }
497
498        return $sent;
499    }
500
501    /**
502     * retrieve & clean user data from the form
503     *
504     * @return  array(user, password, full name, email, array(groups))
505     */
506    function _retrieveUser($clean=true) {
507
508        $user[0] = ($clean) ? cleanID(preg_replace('/.*:/','',$_REQUEST['userid'])) : $_REQUEST['userid'];
509        $user[1] = $_REQUEST['userpass'];
510        $user[2] = $_REQUEST['username'];
511        $user[3] = $_REQUEST['usermail'];
512        $user[4] = preg_split('/\s*,\s*/',$_REQUEST['usergroups'],-1,PREG_SPLIT_NO_EMPTY);
513
514        if (empty($user[4]) || (is_array($user[4]) && (count($user[4]) == 1) && (trim($user[4][0]) == ''))) {
515            $user[4] = null;
516        }
517
518        return $user;
519    }
520
521    function _setFilter($op) {
522
523        $this->_filter = array();
524
525        if ($op == 'new') {
526          list($user,$pass,$name,$mail,$grps) = $this->_retrieveUser(false);
527
528          if (!empty($user)) $this->_filter['user'] = $user;
529          if (!empty($name)) $this->_filter['name'] = $name;
530          if (!empty($mail)) $this->_filter['mail'] = $mail;
531          if (!empty($grps)) $this->_filter['grps'] = join('|',$grps);
532        }
533    }
534
535    function _retrieveFilter() {
536
537        $t_filter = $_REQUEST['filter'];
538        if (!is_array($t_filter)) return array();
539
540        // messy, but this way we ensure we aren't getting any additional crap from malicious users
541        $filter = array();
542
543        if (isset($t_filter['user'])) $filter['user'] = $t_filter['user'];
544        if (isset($t_filter['name'])) $filter['name'] = $t_filter['name'];
545        if (isset($t_filter['mail'])) $filter['mail'] = $t_filter['mail'];
546        if (isset($t_filter['grps'])) $filter['grps'] = $t_filter['grps'];
547
548        return $filter;
549    }
550
551    function _validatePagination() {
552
553        if ($this->_start >= $this->_user_total) {
554          $this->_start = $this->_user_total - $this->_pagesize;
555        }
556        if ($this->_start < 0) $this->_start = 0;
557
558        $this->_last = min($this->_user_total, $this->_start + $this->_pagesize);
559    }
560
561    /*
562     *  return an array of strings to enable/disable pagination buttons
563     */
564    function _pagination() {
565
566        $disabled = 'disabled="disabled"';
567
568        $buttons['start'] = $buttons['prev'] = ($this->_start == 0) ? $disabled : '';
569
570        if ($this->_user_total == -1) {
571          $buttons['last'] = $disabled;
572          $buttons['next'] = '';
573        } else {
574          $buttons['last'] = $buttons['next'] = (($this->_start + $this->_pagesize) >= $this->_user_total) ? $disabled : '';
575        }
576
577        return $buttons;
578    }
579}
580