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[SourceForge/phpwiki.git] / lib / plugin / UserPreferences.php
1 <?php // -*-php-*-
2 // rcs_id('$Id$');
3 /**
4  * Copyright (C) 2001,2002,2003,2004,2005 $ThePhpWikiProgrammingTeam
5  * Copyright 2008-2009 Marc-Etienne Vargenau, Alcatel-Lucent
6  *
7  * This file is part of PhpWiki.
8  *
9  * PhpWiki is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * PhpWiki is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with PhpWiki; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23
24 /**
25  * Plugin to allow any user to adjust his own preferences.
26  * This must be used in the page "UserPreferences".
27  * Prefs are stored in metadata in the current session,
28  *  within the user's home page or in a database.
29  *
30  * WikiTheme extension: WikiThemes are able to extend the predefined list
31  * of preferences.
32  */
33 class WikiPlugin_UserPreferences
34 extends WikiPlugin
35 {
36     var $bool_args;
37
38     function getName () {
39         return _("UserPreferences");
40     }
41
42     function getDescription () {
43         return _("Allow any user to adjust his own preferences.");
44     }
45
46     function getDefaultArguments() {
47         global $request;
48         $pagename = $request->getArg('pagename');
49         $user = $request->getUser();
50         if ( isset($user->_prefs) and
51              isset($user->_prefs->_prefs) and
52              isset($user->_prefs->_method) ) {
53             $pref =& $user->_prefs;
54         } else {
55             $pref = $user->getPreferences();
56         }
57         $prefs = array();
58         //we need a hash of pref => default_value
59         foreach ($pref->_prefs as $name => $obj) {
60             $prefs[$name] = $obj->default_value;
61         }
62         return $prefs;
63     }
64
65     function run($dbi, $argstr, &$request, $basepage) {
66         $args = $this->getArgs($argstr, $request);
67         $user =& $request->_user;
68         if (isa($request,'MockRequest'))
69             return '';
70         if (defined('GFORGE') and GFORGE) {
71             if (!($user->isAuthenticated())) {
72                 return HTML::div(array('class' => 'errors'),
73                                  _("Error: You are not logged in, cannot display UserPreferences."));
74             }
75         }
76         if ((!isActionPage($request->getArg('pagename'))
77              and (!isset($user->_prefs->_method)
78                   or !in_array($user->_prefs->_method, array('ADODB','SQL','PDO'))))
79             or (in_array($request->getArg('action'), array('zip','ziphtml','dumphtml')))
80             or (isa($user,'_ForbiddenUser')))
81         {
82             $no_args = $this->getDefaultArguments();
83 // ?
84 //            foreach ($no_args as $key => $value) {
85 //                $no_args[$value] = false;
86 //            }
87             $no_args['errmsg'] = HTML::div(array('class' => 'errors'),
88                                            _("Error: The user HomePage must be a valid WikiWord. Sorry, UserPreferences cannot be saved."));
89             $no_args['isForm'] = false;
90             return Template('userprefs', $no_args);
91         }
92         $userid = $user->UserName();
93         if (// ((defined('ALLOW_BOGO_LOGIN') && ALLOW_BOGO_LOGIN && $user->isSignedIn()) ||
94              $user->isAuthenticated() and !empty($userid))
95         {
96             $pref = &$request->_prefs;
97             $args['isForm'] = true;
98             //trigger_error("DEBUG: reading prefs from getPreferences".print_r($pref));
99
100             if ($request->isPost()) {
101                     $errmsg = '';
102                 $delete = $request->getArg('delete');
103                 if ($delete and $request->getArg('verify')) {
104                     // deleting prefs, verified
105                     $default_prefs = $pref->defaultPreferences();
106                     $default_prefs['userid'] = $user->UserName();
107                     $user->setPreferences($default_prefs);
108                     $request->_setUser($user);
109                     $request->setArg("verify",false);
110                     $request->setArg("delete",false);
111                     $errmsg .= _("Your UserPreferences have been successfully reset to default.");
112                     $args['errmsg'] = HTML::div(array('class' => 'feedback'), HTML::p($errmsg));
113                     return Template('userprefs', $args);
114                 } elseif ($delete and !$request->getArg('verify')) {
115                     return HTML::fieldset(
116                                  HTML::form(array('action' => $request->getPostURL(),
117                                             'method' => 'post'),
118                                        HiddenInputs(array('verify' => 1)),
119                                        HiddenInputs($request->getArgs()),
120                                        HTML::p(_("Do you really want to reset all your UserPreferences?")),
121                                        HTML::p(Button('submit:delete', _("Yes"), 'delete'),
122                                                HTML::Raw('&nbsp;'),
123                                                Button('cancel', _("Cancel")))
124                                        ));
125                 } elseif ($rp = $request->getArg('pref')) {
126                     // replace only changed prefs in $pref with those from request
127                     if (!empty($rp['passwd']) and ($rp['passwd2'] != $rp['passwd'])) {
128                         $errmsg = _("Wrong password. Try again.");
129                     } else {
130                         //trigger_error("DEBUG: reading prefs from request".print_r($rp));
131                         //trigger_error("DEBUG: writing prefs with setPreferences".print_r($pref));
132                         if (empty($rp['passwd'])) unset($rp['passwd']);
133                         // fix to set system pulldown's. empty values don't get posted
134                         if (empty($rp['theme'])) $rp['theme'] = '';
135                         if (empty($rp['lang']))  $rp['lang']  = '';
136                         $num = $user->setPreferences($rp);
137                         if (!empty($rp['passwd'])) {
138                             $passchanged = false;
139                             if ($user->mayChangePass()) {
140                                 if (method_exists($user, 'storePass')) {
141                                     $passchanged = $user->storePass($rp['passwd']);
142                                 }
143                                 if (!$passchanged and method_exists($user, 'changePass')) {
144                                     $passchanged = $user->changePass($rp['passwd']);
145                                 }
146                                 if ($passchanged) {
147                                     $errmsg = _("Password updated.");
148                                 } else {
149                                     $errmsg = _("Password was not changed.");
150                                 }
151                             } else {
152                                 $errmsg = _("Password cannot be changed.");
153                             }
154                         }
155                         if (!$num) {
156                             $errmsg .= " " ._("No changes.");
157                         } else {
158                             $request->_setUser($user);
159                             $pref = $user->_prefs;
160                             if ($num == 1) {
161                                 $errmsg .= _("One UserPreferences field successfully updated.");
162                             } else {
163                             $errmsg .= sprintf(_("%d UserPreferences fields successfully updated."), $num);
164                         }
165                     }
166                     }
167                     $args['errmsg'] = HTML::div(array('class' => 'feedback'), HTML::p($errmsg));
168
169                 }
170             }
171             $args['available_themes'] = listAvailableThemes();
172             $args['available_languages'] = listAvailableLanguages();
173
174             return Template('userprefs', $args);
175         } else {
176             // wrong or unauthenticated user
177             return $request->_notAuthorized(WIKIAUTH_BOGO);
178             //return $user->PrintLoginForm ($request, $args, false, false);
179         }
180     }
181 };
182
183 // For emacs users
184 // Local Variables:
185 // mode: php
186 // tab-width: 8
187 // c-basic-offset: 4
188 // c-hanging-comment-ender-p: nil
189 // indent-tabs-mode: nil
190 // End:
191 ?>