1<?php
2
3/**
4 * Configuration Manager admin plugin
5 *
6 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
7 * @author     Christopher Smith <chris@jalakai.co.uk>
8 * @author     Ben Coburn <btcoburn@silicodon.net>
9 */
10
11use dokuwiki\Extension\AdminPlugin;
12use dokuwiki\plugin\config\core\Configuration;
13use dokuwiki\plugin\config\core\Setting\Setting;
14use dokuwiki\plugin\config\core\Setting\SettingFieldset;
15use dokuwiki\plugin\config\core\Setting\SettingHidden;
16
17/**
18 * All DokuWiki plugins to extend the admin function
19 * need to inherit from this class
20 */
21class admin_plugin_config extends AdminPlugin
22{
23    protected const IMGDIR = DOKU_BASE . 'lib/plugins/config/images/';
24
25    /** @var Configuration */
26    protected $configuration;
27
28    /** @var bool were there any errors in the submitted data? */
29    protected $hasErrors = false;
30
31    /** @var bool have the settings translations been loaded? */
32    protected $promptsLocalized = false;
33
34
35    /**
36     * handle user request
37     */
38    public function handle()
39    {
40        global $ID, $INPUT;
41
42        // always initialize the configuration
43        $this->configuration = new Configuration();
44
45        if (!$INPUT->bool('save') || !checkSecurityToken()) {
46            return;
47        }
48
49        // don't go any further if the configuration is locked
50        if ($this->configuration->isLocked()) return;
51
52        // update settings and redirect of successful
53        $ok = $this->configuration->updateSettings($INPUT->arr('config'));
54        if ($ok) { // no errors
55            try {
56                if ($this->configuration->hasChanged()) {
57                    $this->configuration->save();
58                } else {
59                    $this->configuration->touch();
60                }
61                msg($this->getLang('updated'), 1);
62            } catch (Exception $e) {
63                msg($this->getLang('error'), -1);
64            }
65            send_redirect(wl($ID, ['do' => 'admin', 'page' => 'config'], true, '&'));
66        } else {
67            $this->hasErrors = true;
68            msg($this->getLang('error'), -1);
69        }
70    }
71
72    /**
73     * output appropriate html
74     */
75    public function html()
76    {
77        $allow_debug = $GLOBALS['conf']['allowdebug']; // avoid global $conf; here.
78        global $lang;
79        global $ID;
80
81        $this->setupLocale(true);
82
83        echo $this->locale_xhtml('intro');
84
85        echo '<div id="config__manager">';
86
87        if ($this->configuration->isLocked()) {
88            echo '<div class="info">' . $this->getLang('locked') . '</div>';
89        }
90
91        // POST to script() instead of wl($ID) so config manager still works if
92        // rewrite config is broken. Add $ID as hidden field to remember
93        // current ID in most cases.
94        echo '<form id="dw__configform" action="' . script() . '" method="post" autocomplete="off">';
95        echo '<div class="no"><input type="hidden" name="id" value="' . $ID . '" /></div>';
96        formSecurityToken();
97        $this->printH1('dokuwiki_settings', $this->getLang('_header_dokuwiki'));
98
99        $in_fieldset = false;
100        $first_plugin_fieldset = true;
101        $first_template_fieldset = true;
102        foreach ($this->configuration->getSettings() as $setting) {
103            if ($setting instanceof SettingHidden) {
104                continue;
105            } elseif ($setting instanceof SettingFieldset) {
106                // config setting group
107                if ($in_fieldset) {
108                    echo '</table>';
109                    echo '</div>';
110                    echo '</fieldset>';
111                } else {
112                    $in_fieldset = true;
113                }
114                if ($first_plugin_fieldset && $setting->getType() == 'plugin') {
115                    $this->printH1('plugin_settings', $this->getLang('_header_plugin'));
116                    $first_plugin_fieldset = false;
117                } elseif ($first_template_fieldset && $setting->getType() == 'template') {
118                    $this->printH1('template_settings', $this->getLang('_header_template'));
119                    $first_template_fieldset = false;
120                }
121                echo '<fieldset id="' . $setting->getKey() . '">';
122                echo '<legend>' . $setting->prompt($this) . '</legend>';
123                echo '<div class="table">';
124                echo '<table class="inline">';
125            } else {
126                // config settings
127                [$label, $input] = $setting->html($this, $this->hasErrors);
128
129                $class = $setting->isDefault()
130                    ? ' class="default"'
131                    : ($setting->isProtected() ? ' class="protected"' : '');
132                $error = $setting->hasError()
133                    ? ' class="value error"'
134                    : ' class="value"';
135                $icon = $setting->caution()
136                    ? '<img src="' . self::IMGDIR . $setting->caution() . '.png" ' .
137                    'alt="' . $setting->caution() . '" title="' . $this->getLang($setting->caution()) . '" />'
138                    : '';
139
140                echo '<tr' . $class . '>';
141                echo '<td class="label">';
142                echo '<span class="outkey">' . $setting->getPrettyKey() . '</span>';
143                echo $icon . $label;
144                echo '</td>';
145                echo '<td' . $error . '>' . $input . '</td>';
146                echo '</tr>';
147            }
148        }
149
150        echo '</table>';
151        echo '</div>';
152        if ($in_fieldset) {
153            echo '</fieldset>';
154        }
155
156        // show undefined settings list
157        $undefined_settings = $this->configuration->getUndefined();
158        if ($allow_debug && !empty($undefined_settings)) {
159            /**
160             * Callback for sorting settings
161             *
162             * @param Setting $a
163             * @param Setting $b
164             * @return int if $a is lower/equal/higher than $b
165             */
166            function settingNaturalComparison($a, $b)
167            {
168                return strnatcmp($a->getKey(), $b->getKey());
169            }
170
171            usort($undefined_settings, 'settingNaturalComparison');
172            $this->printH1('undefined_settings', $this->getLang('_header_undefined'));
173            echo '<fieldset>';
174            echo '<div class="table">';
175            echo '<table class="inline">';
176            foreach ($undefined_settings as $setting) {
177                [$label, $input] = $setting->html($this);
178                echo '<tr>';
179                echo '<td class="label">' . $label . '</td>';
180                echo '<td>' . $input . '</td>';
181                echo '</tr>';
182            }
183            echo '</table>';
184            echo '</div>';
185            echo '</fieldset>';
186        }
187
188        // finish up form
189        echo '<p>';
190        echo '<input type="hidden" name="do"     value="admin" />';
191        echo '<input type="hidden" name="page"   value="config" />';
192
193        if (!$this->configuration->isLocked()) {
194            echo '<input type="hidden" name="save"   value="1" />';
195            echo '<button type="submit" name="submit" accesskey="s">' . $lang['btn_save'] . '</button>';
196            echo '<button type="reset">' . $lang['btn_reset'] . '</button>';
197        }
198
199        echo '</p>';
200
201        echo '</form>';
202        echo '</div>';
203    }
204
205    /**
206     * @param bool $prompts
207     */
208    public function setupLocale($prompts = false)
209    {
210        parent::setupLocale();
211        if (!$prompts || $this->promptsLocalized) return;
212        $this->lang = array_merge($this->lang, $this->configuration->getLangs());
213        $this->promptsLocalized = true;
214    }
215
216    /**
217     * Generates a two-level table of contents for the config plugin.
218     *
219     * @author Ben Coburn <btcoburn@silicodon.net>
220     *
221     * @return array
222     */
223    public function getTOC()
224    {
225        $this->setupLocale(true);
226
227        $allow_debug = $GLOBALS['conf']['allowdebug']; // avoid global $conf; here.
228        $toc = [];
229        $check = false;
230
231        // gather settings data into three sub arrays
232        $labels = ['dokuwiki' => [], 'plugin' => [], 'template' => []];
233        foreach ($this->configuration->getSettings() as $setting) {
234            if ($setting instanceof SettingFieldset) {
235                $labels[$setting->getType()][] = $setting;
236            }
237        }
238
239        // top header
240        $title = $this->getLang('_configuration_manager');
241        $toc[] = html_mktocitem(sectionID($title, $check), $title, 1);
242
243        // main entries
244        foreach (['dokuwiki', 'plugin', 'template'] as $section) {
245            if (empty($labels[$section])) continue; // no entries, skip
246
247            // create main header
248            $toc[] = html_mktocitem(
249                $section . '_settings',
250                $this->getLang('_header_' . $section),
251                1
252            );
253
254            // create sub headers
255            foreach ($labels[$section] as $setting) {
256                /** @var SettingFieldset $setting */
257                $name = $setting->prompt($this);
258                $toc[] = html_mktocitem($setting->getKey(), $name, 2);
259            }
260        }
261
262        // undefined settings if allowed
263        if (count($this->configuration->getUndefined()) && $allow_debug) {
264            $toc[] = html_mktocitem('undefined_settings', $this->getLang('_header_undefined'), 1);
265        }
266
267        return $toc;
268    }
269
270    /**
271     * @param string $id
272     * @param string $text
273     */
274    protected function printH1($id, $text)
275    {
276        echo '<h1 id="' . $id . '">' . $text . '</h1>';
277    }
278
279    /**
280     * Adds a translation to this plugin's language array
281     *
282     * Used by some settings to set up dynamic translations
283     *
284     * @param string $key
285     * @param string $value
286     */
287    public function addLang($key, $value)
288    {
289        if (!$this->localised) $this->setupLocale();
290        $this->lang[$key] = $value;
291    }
292}
293