xref: /dokuwiki/lib/plugins/config/admin.php (revision bc64186ea372e1a6fde4a99f6a914e80357b95c4) 
1<?php
2/**
3 * Configuration Manager admin plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Christopher Smith <chris@jalakai.co.uk>
7 * @author     Ben Coburn <btcoburn@silicodon.net>
8 */
9// must be run within Dokuwiki
10if(!defined('DOKU_INC')) die();
11
12define('CM_KEYMARKER','____');            // used for settings with multiple dimensions of array indices
13
14define('PLUGIN_SELF',dirname(__FILE__).'/');
15define('PLUGIN_METADATA',PLUGIN_SELF.'settings/config.metadata.php');
16if(!defined('DOKU_PLUGIN_IMAGES')) define('DOKU_PLUGIN_IMAGES',DOKU_BASE.'lib/plugins/config/images/');
17
18require_once(PLUGIN_SELF.'settings/config.class.php');  // main configuration class and generic settings classes
19require_once(PLUGIN_SELF.'settings/extra.class.php');   // settings classes specific to these settings
20
21/**
22 * All DokuWiki plugins to extend the admin function
23 * need to inherit from this class
24 */
25class admin_plugin_config extends DokuWiki_Admin_Plugin {
26
27    var $_file = PLUGIN_METADATA;
28    var $_config = null;
29    var $_input = null;
30    var $_changed = false;          // set to true if configuration has altered
31    var $_error = false;
32    var $_session_started = false;
33    var $_localised_prompts = false;
34
35    function getMenuSort() { return 100; }
36
37    /**
38     * handle user request
39     */
40    function handle() {
41      global $ID;
42
43      if (!$this->_restore_session()) return $this->_close_session();
44      if (!isset($_REQUEST['save']) || ($_REQUEST['save'] != 1)) return $this->_close_session();
45      if (!checkSecurityToken()) return $this->_close_session();
46
47      if (is_null($this->_config)) { $this->_config = new configuration($this->_file); }
48
49      // don't go any further if the configuration is locked
50      if ($this->_config->_locked) return $this->_close_session();
51
52      $this->_input = $_REQUEST['config'];
53
54      while (list($key) = each($this->_config->setting)) {
55        $input = isset($this->_input[$key]) ? $this->_input[$key] : NULL;
56        if ($this->_config->setting[$key]->update($input)) {
57          $this->_changed = true;
58        }
59        if ($this->_config->setting[$key]->error()) $this->_error = true;
60      }
61
62      if ($this->_changed  && !$this->_error) {
63        $this->_config->save_settings($this->getPluginName());
64
65        // save state & force a page reload to get the new settings to take effect
66        $_SESSION['PLUGIN_CONFIG'] = array('state' => 'updated', 'time' => time());
67        $this->_close_session();
68        header("Location: ".wl($ID,array('do'=>'admin','page'=>'config'),true,'&'));
69        exit();
70      }
71
72      $this->_close_session();
73    }
74
75    /**
76     * output appropriate html
77     */
78    function html() {
79      $allow_debug = $GLOBALS['conf']['allowdebug']; // avoid global $conf; here.
80      global $lang;
81      global $ID;
82
83      if (is_null($this->_config)) { $this->_config = new configuration($this->_file); }
84      $this->setupLocale(true);
85
86      print $this->locale_xhtml('intro');
87
88      ptln('<div id="config__manager">');
89
90      if ($this->_config->locked)
91        ptln('<div class="info">'.$this->getLang('locked').'</div>');
92      elseif ($this->_error)
93        ptln('<div class="error">'.$this->getLang('error').'</div>');
94      elseif ($this->_changed)
95        ptln('<div class="success">'.$this->getLang('updated').'</div>');
96
97      // POST to script() instead of wl($ID) so config manager still works if
98      // rewrite config is broken. Add $ID as hidden field to remember
99      // current ID in most cases.
100      ptln('<form action="'.script().'" method="post">');
101      ptln('<div class="no"><input type="hidden" name="id" value="'.$ID.'" /></div>');
102      formSecurityToken();
103      $this->_print_h1('dokuwiki_settings', $this->getLang('_header_dokuwiki'));
104
105      $undefined_settings = array();
106      $in_fieldset = false;
107      $first_plugin_fieldset = true;
108      $first_template_fieldset = true;
109      foreach($this->_config->setting as $setting) {
110        if (is_a($setting, 'setting_hidden')) {
111          // skip hidden (and undefined) settings
112          if ($allow_debug && is_a($setting, 'setting_undefined')) {
113            $undefined_settings[] = $setting;
114          } else {
115            continue;
116          }
117        } else if (is_a($setting, 'setting_fieldset')) {
118          // config setting group
119          if ($in_fieldset) {
120            ptln('  </table>');
121            ptln('  </fieldset>');
122          } else {
123            $in_fieldset = true;
124          }
125          if ($first_plugin_fieldset && substr($setting->_key, 0, 10)=='plugin'.CM_KEYMARKER) {
126            $this->_print_h1('plugin_settings', $this->getLang('_header_plugin'));
127            $first_plugin_fieldset = false;
128          } else if ($first_template_fieldset && substr($setting->_key, 0, 7)=='tpl'.CM_KEYMARKER) {
129            $this->_print_h1('template_settings', $this->getLang('_header_template'));
130            $first_template_fieldset = false;
131          }
132          ptln('  <fieldset id="'.$setting->_key.'">');
133          ptln('  <legend>'.$setting->prompt($this).'</legend>');
134          ptln('  <table class="inline">');
135        } else {
136          // config settings
137          list($label,$input) = $setting->html($this, $this->_error);
138
139          $class = $setting->is_default() ? ' class="default"' : ($setting->is_protected() ? ' class="protected"' : '');
140          $error = $setting->error() ? ' class="value error"' : ' class="value"';
141          $icon = $setting->caution() ? '<img src="'.DOKU_PLUGIN_IMAGES.$setting->caution().'.png" alt="'.$setting->caution().'" title="'.$this->getLang($setting->caution()).'" />' : '';
142
143          ptln('    <tr'.$class.'>');
144          ptln('      <td class="label">');
145          ptln('        <span class="outkey">'.$setting->_out_key(true, true).'</span>');
146          ptln('        '.$icon.$label);
147          ptln('      </td>');
148          ptln('      <td'.$error.'>'.$input.'</td>');
149          ptln('    </tr>');
150        }
151      }
152
153      ptln('  </table>');
154      if ($in_fieldset) {
155        ptln('  </fieldset>');
156      }
157
158      // show undefined settings list
159      if ($allow_debug && !empty($undefined_settings)) {
160        function _setting_natural_comparison($a, $b) { return strnatcmp($a->_key, $b->_key); }
161        usort($undefined_settings, '_setting_natural_comparison');
162        $this->_print_h1('undefined_settings', $this->getLang('_header_undefined'));
163        ptln('<fieldset>');
164        ptln('<table class="inline">');
165        $undefined_setting_match = array();
166        foreach($undefined_settings as $setting) {
167          if (preg_match('/^(?:plugin|tpl)'.CM_KEYMARKER.'.*?'.CM_KEYMARKER.'(.*)$/', $setting->_key, $undefined_setting_match)) {
168            $undefined_setting_key = $undefined_setting_match[1];
169          } else {
170            $undefined_setting_key = $setting->_key;
171          }
172          ptln('  <tr>');
173          ptln('    <td class="label"><span title="$meta[\''.$undefined_setting_key.'\']">$'.$this->_config->_name.'[\''.$setting->_out_key().'\']</span></td>');
174          ptln('    <td>'.$this->getLang('_msg_'.get_class($setting)).'</td>');
175          ptln('  </tr>');
176        }
177        ptln('</table>');
178        ptln('</fieldset>');
179      }
180
181      // finish up form
182      ptln('<p>');
183      ptln('  <input type="hidden" name="do"     value="admin" />');
184      ptln('  <input type="hidden" name="page"   value="config" />');
185
186      if (!$this->_config->locked) {
187        ptln('  <input type="hidden" name="save"   value="1" />');
188        ptln('  <input type="submit" name="submit" class="button" value="'.$lang['btn_save'].'" accesskey="s" />');
189        ptln('  <input type="reset" class="button" value="'.$lang['btn_reset'].'" />');
190      }
191
192      ptln('</p>');
193
194      ptln('</form>');
195      ptln('</div>');
196    }
197
198    /**
199     * @return boolean   true - proceed with handle, false - don't proceed
200     */
201    function _restore_session() {
202
203      // dokuwiki closes the session before act_dispatch. $_SESSION variables are all set,
204      // however they can't be changed without starting the session again
205      if (!headers_sent()) {
206        session_start();
207        $this->_session_started = true;
208      }
209
210      if (!isset($_SESSION['PLUGIN_CONFIG'])) return true;
211
212      $session = $_SESSION['PLUGIN_CONFIG'];
213      unset($_SESSION['PLUGIN_CONFIG']);
214
215      // still valid?
216      if (time() - $session['time'] > 120) return true;
217
218      switch ($session['state']) {
219        case 'updated' :
220          $this->_changed = true;
221          return false;
222      }
223
224      return true;
225    }
226
227    function _close_session() {
228      if ($this->_session_started) session_write_close();
229    }
230
231    function setupLocale($prompts=false) {
232
233      parent::setupLocale();
234      if (!$prompts || $this->_localised_prompts) return;
235
236      $this->_setup_localised_plugin_prompts();
237      $this->_localised_prompts = true;
238
239    }
240
241    function _setup_localised_plugin_prompts() {
242      global $conf;
243
244      $langfile   = '/lang/'.$conf['lang'].'/settings.php';
245      $enlangfile = '/lang/en/settings.php';
246
247      if ($dh = opendir(DOKU_PLUGIN)) {
248        while (false !== ($plugin = readdir($dh))) {
249          if ($plugin == '.' || $plugin == '..' || $plugin == 'tmp' || $plugin == 'config') continue;
250          if (is_file(DOKU_PLUGIN.$plugin)) continue;
251
252          if (@file_exists(DOKU_PLUGIN.$plugin.$enlangfile)){
253            $lang = array();
254            @include(DOKU_PLUGIN.$plugin.$enlangfile);
255            if ($conf['lang'] != 'en') @include(DOKU_PLUGIN.$plugin.$langfile);
256            foreach ($lang as $key => $value){
257              $this->lang['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.$key] = $value;
258            }
259          }
260
261          // fill in the plugin name if missing (should exist for plugins with settings)
262          if (!isset($this->lang['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.'plugin_settings_name'])) {
263            $this->lang['plugin'.CM_KEYMARKER.$plugin.CM_KEYMARKER.'plugin_settings_name'] =
264              ucwords(str_replace('_', ' ', $plugin)).' '.$this->getLang('_plugin_sufix');
265          }
266        }
267        closedir($dh);
268      }
269
270      // the same for the active template
271      $tpl = $conf['template'];
272
273      if (@file_exists(DOKU_TPLINC.$enlangfile)){
274        $lang = array();
275        @include(DOKU_TPLINC.$enlangfile);
276        if ($conf['lang'] != 'en') @include(DOKU_TPLINC.$langfile);
277        foreach ($lang as $key => $value){
278          $this->lang['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.$key] = $value;
279        }
280      }
281
282      // fill in the template name if missing (should exist for templates with settings)
283      if (!isset($this->lang['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.'template_settings_name'])) {
284        $this->lang['tpl'.CM_KEYMARKER.$tpl.CM_KEYMARKER.'template_settings_name'] =
285          ucwords(str_replace('_', ' ', $tpl)).' '.$this->getLang('_template_sufix');
286      }
287
288      return true;
289    }
290
291    /**
292     * Generates a two-level table of contents for the config plugin.
293     *
294     * @author Ben Coburn <btcoburn@silicodon.net>
295     */
296    function getTOC() {
297      if (is_null($this->_config)) { $this->_config = new configuration($this->_file); }
298      $this->setupLocale(true);
299
300      $allow_debug = $GLOBALS['conf']['allowdebug']; // avoid global $conf; here.
301
302      // gather toc data
303      $has_undefined = false;
304      $toc = array('conf'=>array(), 'plugin'=>array(), 'template'=>null);
305      foreach($this->_config->setting as $setting) {
306        if (is_a($setting, 'setting_fieldset')) {
307          if (substr($setting->_key, 0, 10)=='plugin'.CM_KEYMARKER) {
308            $toc['plugin'][] = $setting;
309          } else if (substr($setting->_key, 0, 7)=='tpl'.CM_KEYMARKER) {
310            $toc['template'] = $setting;
311          } else {
312            $toc['conf'][] = $setting;
313          }
314        } else if (!$has_undefined && is_a($setting, 'setting_undefined')) {
315          $has_undefined = true;
316        }
317      }
318
319      // build toc
320      $t = array();
321
322      $t[] = html_mktocitem('configuration_manager', $this->getLang('_configuration_manager'), 1);
323      $t[] = html_mktocitem('dokuwiki_settings', $this->getLang('_header_dokuwiki'), 1);
324      foreach($toc['conf'] as $setting) {
325        $name = $setting->prompt($this);
326        $t[] = html_mktocitem($setting->_key, $name, 2);
327      }
328      if (!empty($toc['plugin'])) {
329        $t[] = html_mktocitem('plugin_settings', $this->getLang('_header_plugin'), 1);
330      }
331      foreach($toc['plugin'] as $setting) {
332        $name = $setting->prompt($this);
333        $t[] = html_mktocitem($setting->_key, $name, 2);
334      }
335      if (isset($toc['template'])) {
336        $t[] = html_mktocitem('template_settings', $this->getLang('_header_template'), 1);
337        $setting = $toc['template'];
338        $name = $setting->prompt($this);
339        $t[] = html_mktocitem($setting->_key, $name, 2);
340      }
341      if ($has_undefined && $allow_debug) {
342        $t[] = html_mktocitem('undefined_settings', $this->getLang('_header_undefined'), 1);
343      }
344
345      return $t;
346    }
347
348    function _print_h1($id, $text) {
349      ptln('<h1><a name="'.$id.'" id="'.$id.'">'.$text.'</a></h1>');
350    }
351
352
353}
354