1 #!/usr/bin/env php
2 <?php
3 
4 use splitbrain\phpcli\CLI;
5 use splitbrain\phpcli\Options;
6 
7 if (!defined('DOKU_INC')) define('DOKU_INC', realpath(__DIR__ . '/../') . '/');
8 define('NOSESSION', 1);
9 require_once(DOKU_INC . 'inc/init.php');
10 
11 /**
12  * Remove unwanted languages from a DokuWiki install
13  */
14 class StripLangsCLI extends CLI
15 {
16     /**
17      * Register options and arguments on the given $options object
18      *
19      * @param Options $options
20      * @return void
21      */
22     protected function setup(Options $options)
23     {
24 
25         $options->setHelp(
26             'Remove all languages from the installation, besides the ones specified. English language ' .
27             'is never removed!'
28         );
29 
30         $options->registerOption(
31             'keep',
32             'Comma separated list of languages to keep in addition to English.',
33             'k',
34             'langcodes'
35         );
36         $options->registerOption(
37             'english-only',
38             'Remove all languages except English',
39             'e'
40         );
41     }
42 
43     /**
44      * Your main program
45      *
46      * Arguments and options have been parsed when this is run
47      *
48      * @param Options $options
49      * @return void
50      */
51     protected function main(Options $options)
52     {
53         if ($options->getOpt('keep')) {
54             $keep = explode(',', $options->getOpt('keep'));
55             if (!in_array('en', $keep)) $keep[] = 'en';
56         } elseif ($options->getOpt('english-only')) {
57             $keep = ['en'];
58         } else {
59             echo $options->help();
60             exit(0);
61         }
62 
63         // Kill all language directories in /inc/lang and /lib/plugins besides those in $langs array
64         $this->stripDirLangs(realpath(__DIR__ . '/../inc/lang'), $keep);
65         $this->processExtensions(realpath(__DIR__ . '/../lib/plugins'), $keep);
66         $this->processExtensions(realpath(__DIR__ . '/../lib/tpl'), $keep);
67     }
68 
69     /**
70      * Strip languages from extensions
71      *
72      * @param string $path path to plugin or template dir
73      * @param array $keep_langs languages to keep
74      */
75     protected function processExtensions($path, $keep_langs)
76     {
77         if (is_dir($path)) {
78             $entries = scandir($path);
79 
80             foreach ($entries as $entry) {
81                 if ($entry != "." && $entry != "..") {
82                     if (is_dir($path . '/' . $entry)) {
83                         $plugin_langs = $path . '/' . $entry . '/lang';
84 
85                         if (is_dir($plugin_langs)) {
86                             $this->stripDirLangs($plugin_langs, $keep_langs);
87                         }
88                     }
89                 }
90             }
91         }
92     }
93 
94     /**
95      * Strip languages from path
96      *
97      * @param string $path path to lang dir
98      * @param array $keep_langs languages to keep
99      */
100     protected function stripDirLangs($path, $keep_langs)
101     {
102         $dir = dir($path);
103 
104         while (($cur_dir = $dir->read()) !== false) {
105             if ($cur_dir != '.' && $cur_dir != '..' && is_dir($path . '/' . $cur_dir)) {
106                 if (!in_array($cur_dir, $keep_langs, true)) {
107                     io_rmdir($path . '/' . $cur_dir, true);
108                 }
109             }
110         }
111         $dir->close();
112     }
113 }
114 
115 $cli = new StripLangsCLI();
116 $cli->run();
117