xref: /plugin/farmer/helper.php (revision 9a6163bc8c5e1e1eaa3160c5b2e09f201cb168d4) 
1<?php
2/**
3 * DokuWiki Plugin farmer (Helper Component)
4 *
5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6 * @author  Michael Große <grosse@cosmocode.de>
7 */
8
9// must be run within Dokuwiki
10if(!defined('DOKU_INC')) die();
11
12class helper_plugin_farmer extends DokuWiki_Plugin {
13
14    private $allPlugins = array();
15
16    /**
17     * Returns the name of the current animal if any, false otherwise
18     *
19     * @return string|false
20     */
21    public function getAnimal() {
22        if(!isset($GLOBALS['FARMCORE'])) return false;
23        return $GLOBALS['FARMCORE']->getAnimal();
24    }
25
26    /**
27     * Get the farm config
28     *
29     * @return array
30     */
31    public function getConfig() {
32        if(!isset($GLOBALS['FARMCORE'])) return array();
33        return $GLOBALS['FARMCORE']->getConfig();
34    }
35
36    /**
37     * Was the current animal requested by host?
38     *
39     * @return bool
40     */
41    public function isHostbased() {
42        if(!isset($GLOBALS['FARMCORE'])) return false;
43        return $GLOBALS['FARMCORE']->isHostbased();
44    }
45
46    /**
47     * Was an animal requested that could not be found?
48     *
49     * @return bool
50     */
51    public function wasNotfound() {
52        if(!isset($GLOBALS['FARMCORE'])) return false;
53        return $GLOBALS['FARMCORE']->wasNotfound();
54    }
55
56    /**
57     * List of all animals, i.e. directories within DOKU_FARMDIR without the template.
58     *
59     * @return array
60     */
61    public function getAllAnimals() {
62        $animals = array();
63        $list = glob(DOKU_FARMDIR . '/*/conf/', GLOB_ONLYDIR);
64        foreach($list as $path) {
65            $animal = basename(dirname($path));
66            if($animal == '_animal') continue; // old template
67            $animals[] = $animal;
68        }
69        sort($animals);
70        return $animals;
71    }
72
73    /**
74     * checks wether $path is in under $container
75     *
76     * @param string $path
77     * @param string $container
78     * @return bool
79     */
80    public function isInPath ($path, $container) {
81        return (strpos(fullpath($path), fullpath($container)) === 0);
82    }
83
84    /**
85     * Check if the farm is correctly configured for this farmer plugin
86     *
87     * @return bool
88     */
89    public function checkFarmSetup () {
90        return defined('DOKU_FARMDIR') && isset($GLOBALS['FARMCORE']);
91    }
92
93
94
95
96
97
98
99
100    /**
101     * Copy a file, or recursively copy a folder and its contents. Adapted for DokuWiki.
102     *
103     * @todo: needs tests
104     *
105     * @author      Aidan Lister <aidan@php.net>
106     * @author      Michael Große <grosse@cosmocode.de>
107     * @version     1.0.1
108     * @link        http://aidanlister.com/2004/04/recursively-copying-directories-in-php/
109     *
110     * @param       string $source       Source path
111     * @param       string $destination  Destination path
112     *
113     * @return      bool     Returns TRUE on success, FALSE on failure
114     */
115    function io_copyDir($source, $destination) {
116        if (is_link($source)) {
117            io_lock($destination);
118            $result=symlink(readlink($source), $destination);
119            io_unlock($destination);
120            return $result;
121        }
122
123        if (is_file($source)) {
124            io_lock($destination);
125            $result=copy($source, $destination);
126            io_unlock($destination);
127            return $result;
128        }
129
130        if (!is_dir($destination)) {
131            io_mkdir_p($destination);
132        }
133
134        $dir = dir($source);
135        while (false !== ($entry = $dir->read())) {
136            if ($entry == '.' || $entry == '..') {
137                continue;
138            }
139
140            // recurse into directories
141            $this->io_copyDir("$source/$entry", "$destination/$entry");
142        }
143
144        $dir->close();
145        return true;
146    }
147
148    /**
149     * get a list of all Plugins installed in the farmer wiki, regardless whether they are active or not.
150     *
151     * @return array
152     */
153    public function getAllPlugins() {
154        $dir = dir(DOKU_PLUGIN);
155        $plugins = array();
156        while (false !== ($entry = $dir->read())) {
157            if($entry == '.' || $entry == '..' || $entry == 'testing' || $entry == 'farmer') {
158                continue;
159            }
160            if (!is_dir(DOKU_PLUGIN ."/$entry")) {
161                continue;
162            }
163            $plugins[] = $entry;
164        }
165        sort($plugins);
166        return $plugins;
167    }
168
169
170    /**
171     * Actiate a specific plugin in a specific animal
172     *
173     * @param string $plugin Name of the plugin to be activated
174     * @param string $animal Directory of the animal within DOKU_FARMDIR
175     */
176    public function activatePlugin($plugin, $animal) {
177        if (isset($this->allPlugins[$animal])) {
178            $plugins = $this->allPlugins[$animal];
179        } else {
180            include(DOKU_FARMDIR . $animal . '/conf/plugins.local.php');
181        }
182        if (isset($plugins[$plugin]) && $plugins[$plugin] === 0) {
183            unset($plugins[$plugin]);
184            $this->writePluginConf($plugins, $animal);
185        }
186        $this->allPlugins[$animal] = $plugins;
187    }
188
189    /**
190     * @param string $plugin Name of the plugin to be deactivated
191     * @param string $animal Directory of the animal within DOKU_FARMDIR
192     */
193    public function deactivatePlugin($plugin, $animal) {
194        if (isset($this->allPlugins[$animal])) {
195            $plugins = $this->allPlugins[$animal];
196        } else {
197            include(DOKU_FARMDIR . $animal . '/conf/plugins.local.php');
198        }
199        if (!isset($plugins[$plugin]) || $plugins[$plugin] !== 0) {
200            $plugins[$plugin] = 0;
201            $this->writePluginConf($plugins, $animal);
202        }
203        $this->allPlugins[$animal] = $plugins;
204    }
205
206    /**
207     * Write the list of (deactivated) plugins as plugin configuration of an animal to file
208     *
209     * @param array  $plugins associative array with the key being the plugin name and the value 0 or 1
210     * @param string $animal  Directory of the animal within DOKU_FARMDIR
211     */
212    public function writePluginConf($plugins, $animal) {
213        $pluginConf = '<?php' . "\n";
214        foreach ($plugins as $plugin => $status) {
215            $pluginConf .= '$plugins["' . $plugin  . '"] = ' . $status . ";\n";
216        }
217        io_saveFile(DOKU_FARMDIR . $animal . '/conf/plugins.local.php', $pluginConf);
218        touch(DOKU_FARMDIR . $animal . '/conf/local.php');
219    }
220
221    /**
222     * Show a message for all errors which occured during form validation
223     *
224     * @param \dokuwiki\Form\Form $form        The form to which the errors should be added.
225     * @param array               $errorArray  An associative array with the key being the name of the element at fault
226     *                                         and the value being the associated error message.
227     */
228    public function addErrorsToForm(\dokuwiki\Form\Form &$form, $errorArray) {
229        foreach ($errorArray as $elementName => $errorMessage) {
230            $offset = 0;
231            msg($errorMessage, -1);
232            while ($form->findPositionByAttribute('name',$elementName, $offset)) {
233                $offset = $form->findPositionByAttribute('name',$elementName, $offset);
234                $form->getElementAt($offset)->addClass('error');
235                ++$offset;
236            }
237        }
238    }
239
240    /**
241     * @param string|null $page load adminpage $page, reload the current page if $page is ommited or null
242     */
243    public function reloadAdminPage($page = null) {
244        global $ID;
245        $get = $_GET;
246        if(isset($get['id'])) unset($get['id']);
247        if ($page !== null ) {
248            $get['page'] = $page;
249        }
250        $self = wl($ID, $get, false, '&');
251        send_redirect($self);
252    }
253
254    /**
255     * Download and extract the animal template
256     *
257     * @param string $animalpath
258     *
259     * @throws \splitbrain\PHPArchive\ArchiveIOException
260     */
261    public function downloadTemplate($animalpath) {
262        file_put_contents($animalpath . '/_animal.zip',fopen('https://www.dokuwiki.org/_media/dokuwiki_farm_animal.zip','r'));
263        $zip = new splitbrain\PHPArchive\Zip();
264        $zip->open($animalpath.'/_animal.zip');
265        $zip->extract($animalpath);
266        $zip->close();
267        unlink($animalpath.'/_animal.zip');
268    }
269
270
271    /**
272     * The subdomain must contain at least two dots
273     *
274     * @link http://stackoverflow.com/questions/17986371/regular-expression-to-validate-fqdn-in-c-sharp-and-javascript
275     *
276     * @param string $subdomain
277     *
278     * @return bool
279     */
280    public function validateSubdomain ($subdomain) {
281        return preg_match("/^(?=.{1,254}$)((?=[a-z0-9-]{1,63}\.)(xn--+)?[a-z0-9]+(-[a-z0-9]+)*\.){2,}[a-z]{2,63}$/i",$subdomain) === 1;
282    }
283
284    /**
285     * @param string $animalname
286     *
287     * @return bool
288     */
289    public function validateAnimalName ($animalname) {
290        return preg_match("/^[a-z0-9]+(-[a-z0-9]+)*$/i",$animalname) === 1;
291    }
292
293    /**
294     * @return string
295     */
296    public function getUserLine($currentAdmin) {
297        $masterUsers = file_get_contents(DOKU_CONF . 'users.auth.php');
298        $masterUsers = ltrim(strstr($masterUsers, "\n" . $currentAdmin . ":"));
299        $newAdmin = substr($masterUsers, 0, strpos($masterUsers, "\n") + 1);
300        return $newAdmin;
301    }
302
303}
304