xref: /dokuwiki/install.php (revision 472483168f19453a8b390d406f1cc0602942cdbb) 
15cfb8815Schris<?php
25cfb8815Schris/**
35cfb8815Schris *  Dokuwiki installation assistance
45cfb8815Schris *
55cfb8815Schris *  @author      Chris Smith <chris@jalakai.co.uk>
65cfb8815Schris */
75cfb8815Schris
85cfb8815Schrisif(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__)).'/');
95cfb8815Schrisif(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'conf/');
105cfb8815Schrisif(!defined('DOKU_LOCAL')) define('DOKU_LOCAL',DOKU_INC.'conf/');
115cfb8815Schris
12*47248316SAndreas Gohr// kill magic quotes
13*47248316SAndreas Gohrif (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) {
14*47248316SAndreas Gohr    if (!empty($_GET))    remove_magic_quotes($_GET);
15*47248316SAndreas Gohr    if (!empty($_POST))   remove_magic_quotes($_POST);
16*47248316SAndreas Gohr    if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE);
17*47248316SAndreas Gohr    if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST);
18*47248316SAndreas Gohr    @ini_set('magic_quotes_gpc', 0);
19*47248316SAndreas Gohr    define('MAGIC_QUOTES_STRIPPED',1);
20*47248316SAndreas Gohr}
21*47248316SAndreas Gohr@set_magic_quotes_runtime(0);
22*47248316SAndreas Gohr@ini_set('magic_quotes_sybase',0);
235cfb8815Schris
24*47248316SAndreas Gohr// language strings
25*47248316SAndreas Gohrrequire_once(DOKU_INC.'inc/lang/en/lang.php');
26*47248316SAndreas Gohr$LC = preg_replace('/[^a-z\-]+/','',$_REQUEST['l']);
27*47248316SAndreas Gohrif(!$LC) $LC = 'en';
28*47248316SAndreas Gohrif($LC && $LC != 'en' ) {
29*47248316SAndreas Gohr    require_once(DOKU_INC.'inc/lang/'.$LC.'/lang.php');
30*47248316SAndreas Gohr}
31*47248316SAndreas Gohr
32*47248316SAndreas Gohr// initialise variables ...
33*47248316SAndreas Gohr$error = array();
34*47248316SAndreas Gohr
35*47248316SAndreas Gohr$dokuwiki_hash = array(
36*47248316SAndreas Gohr    '2005-09-22' => 'e33223e957b0b0a130d0520db08f8fb7',
37*47248316SAndreas Gohr    '2006-03-05' => '51295727f79ab9af309a2fd9e0b61acc',
38*47248316SAndreas Gohr    '2006-03-09' => '51295727f79ab9af309a2fd9e0b61acc',
39*47248316SAndreas Gohr    'devel'      => '732131839d559198b985e183eefe9a63',
40*47248316SAndreas Gohr);
41*47248316SAndreas Gohr
42*47248316SAndreas Gohr
43*47248316SAndreas Gohr
44*47248316SAndreas Gohr// begin output
45*47248316SAndreas Gohrheader('Content-Type: text/html; charset=utf-8');
46*47248316SAndreas Gohr?>
47*47248316SAndreas Gohr<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
48*47248316SAndreas Gohr "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
49*47248316SAndreas Gohr<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $LC?>"
50*47248316SAndreas Gohr lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>">
51*47248316SAndreas Gohr<head>
52*47248316SAndreas Gohr    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
53*47248316SAndreas Gohr    <title>DokuWiki Installer</title>
54*47248316SAndreas Gohr    <style type="text/css">
55*47248316SAndreas Gohr        body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; }
56*47248316SAndreas Gohr        img { border: none }
57*47248316SAndreas Gohr        br.cl { clear:both; }
58*47248316SAndreas Gohr        code { font-size: 110%; color: #008000; }
59*47248316SAndreas Gohr        fieldset { border: none }
60*47248316SAndreas Gohr        label { display: block;}
61*47248316SAndreas Gohr        input.text { width: 30em; margin: 0 0.5em; }
62*47248316SAndreas Gohr    </style>
63*47248316SAndreas Gohr    <script type="text/javascript" language="javascript">
64*47248316SAndreas Gohr        function acltoggle(){
65*47248316SAndreas Gohr            var cb = document.getElementById('acl');
66*47248316SAndreas Gohr            var fs = document.getElementById('acldep');
67*47248316SAndreas Gohr            if(!cb || !fs) return;
68*47248316SAndreas Gohr            if(cb.checked){
69*47248316SAndreas Gohr                fs.style.display = '';
70*47248316SAndreas Gohr            }else{
71*47248316SAndreas Gohr                fs.style.display = 'none';
72*47248316SAndreas Gohr            }
73*47248316SAndreas Gohr        }
74*47248316SAndreas Gohr        window.onload = function(){
75*47248316SAndreas Gohr            acltoggle();
76*47248316SAndreas Gohr            var cb = document.getElementById('acl');
77*47248316SAndreas Gohr            if(cb) cb.onchange = acltoggle;
78*47248316SAndreas Gohr        };
79*47248316SAndreas Gohr    </script>
80*47248316SAndreas Gohr</head>
81*47248316SAndreas Gohr<body style="">
82*47248316SAndreas Gohr    <h1 style="float:left">
83*47248316SAndreas Gohr        <img src="http://wiki.splitbrain.org/_media/wiki:dokuwiki-64.png"
84*47248316SAndreas Gohr             style="vertical-align: middle;" alt="" />
85*47248316SAndreas Gohr        <?php echo $lang['i_installer']?>
86*47248316SAndreas Gohr    </h1>
87*47248316SAndreas Gohr    <div style="float:right; margin: 1em;">
88*47248316SAndreas Gohr        <?php langsel()?>
89*47248316SAndreas Gohr    </div>
90*47248316SAndreas Gohr    <br class="cl" />
91*47248316SAndreas Gohr
92*47248316SAndreas Gohr    <div style="float: right; width: 34%;">
93*47248316SAndreas Gohr        <?php
94*47248316SAndreas Gohr            if(@file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
95*47248316SAndreas Gohr                include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
96*47248316SAndreas Gohr            }else{
97*47248316SAndreas Gohr                include(DOKU_INC.'inc/lang/en/install.html');
98*47248316SAndreas Gohr            }
99*47248316SAndreas Gohr        ?>
100*47248316SAndreas Gohr    </div>
101*47248316SAndreas Gohr
102*47248316SAndreas Gohr    <div style="float: left; width: 58%;">
103*47248316SAndreas Gohr        <?php
104*47248316SAndreas Gohr            if(! (check_functions() && check_permissions()) ){
105*47248316SAndreas Gohr                echo '<p>'.$lang['i_problems'].'</p>';
106*47248316SAndreas Gohr                print_errors();
107*47248316SAndreas Gohr            }elseif(!check_configs()){
108*47248316SAndreas Gohr                echo '<p>'.$lang['i_modified'].'</p>';
109*47248316SAndreas Gohr                print_errors();
110*47248316SAndreas Gohr            }elseif($_REQUEST['submit']){
111*47248316SAndreas Gohr                if(!check_data($_REQUEST['d'])){
112*47248316SAndreas Gohr                    print_errors();
113*47248316SAndreas Gohr                    print_form($_REQUEST['d']);
114*47248316SAndreas Gohr                }elseif(!store_data($_REQUEST['d'])){
115*47248316SAndreas Gohr                    echo '<p>'.$lang['i_failure'].'</p>';
116*47248316SAndreas Gohr                    print_errors();
117*47248316SAndreas Gohr                }else{
118*47248316SAndreas Gohr                    echo '<p>'.$lang['i_success'].'</p>';
119*47248316SAndreas Gohr                }
120*47248316SAndreas Gohr            }else{
121*47248316SAndreas Gohr                print_form($_REQUEST['d']);
122*47248316SAndreas Gohr            }
123*47248316SAndreas Gohr        ?>
124*47248316SAndreas Gohr    </div>
125*47248316SAndreas Gohr
126*47248316SAndreas Gohr<div style="clear: both">
127*47248316SAndreas Gohr  <a href="http://wiki.splitbrain.org/wiki:dokuwiki"><img src="lib/tpl/default/images/button-dw.png" alt="driven by DokuWiki" /></a>
128*47248316SAndreas Gohr  <a href="http://www.php.net"><img src="lib/tpl/default/images/button-php.gif" alt="powered by PHP" /></a>
129*47248316SAndreas Gohr</div>
130*47248316SAndreas Gohr</body>
131*47248316SAndreas Gohr</html>
132*47248316SAndreas Gohr<?php
133*47248316SAndreas Gohr
134*47248316SAndreas Gohr/**
135*47248316SAndreas Gohr * Print the input form
136*47248316SAndreas Gohr */
137*47248316SAndreas Gohrfunction print_form($d){
138*47248316SAndreas Gohr    global $lang;
139*47248316SAndreas Gohr    global $LC;
140*47248316SAndreas Gohr
141*47248316SAndreas Gohr    if(!is_array($d)) $d = array();
142*47248316SAndreas Gohr    $d = array_map('htmlspecialchars',$d);
143*47248316SAndreas Gohr
144*47248316SAndreas Gohr    if(!isset($d['acl'])) $d['acl']=1;
145*47248316SAndreas Gohr
146*47248316SAndreas Gohr    ?>
147*47248316SAndreas Gohr    <form action="" method="post">
148*47248316SAndreas Gohr    <input type="hidden" name="l" value="<?php echo $LC ?>" />
149*47248316SAndreas Gohr    <fieldset>
150*47248316SAndreas Gohr        <label for="title"><?php echo $lang['i_wikiname']?>
151*47248316SAndreas Gohr        <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" />
152*47248316SAndreas Gohr        </label>
153*47248316SAndreas Gohr
154*47248316SAndreas Gohr        <fieldset style="margin-top: 1em;">
155*47248316SAndreas Gohr            <label for="acl">
156*47248316SAndreas Gohr            <input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? 'checked="checked"' : ''));?> />
157*47248316SAndreas Gohr            <?php echo $lang['i_enableacl']?></label>
158*47248316SAndreas Gohr
159*47248316SAndreas Gohr            <fieldset id="acldep">
160*47248316SAndreas Gohr                <label for="superuser"><?php echo $lang['i_superuser']?></label>
161*47248316SAndreas Gohr                <input class="text" type="text" name="d[superuser]" id="superuser" value="<?php echo $d['superuser'] ?>" />
162*47248316SAndreas Gohr
163*47248316SAndreas Gohr                <label for="fullname"><?php echo $lang['fullname']?></label>
164*47248316SAndreas Gohr                <input class="text" type="text" name="d[fullname]" id="fullname" value="<?php echo $d['fullname'] ?>" />
165*47248316SAndreas Gohr
166*47248316SAndreas Gohr                <label for="email"><?php echo $lang['email']?></label>
167*47248316SAndreas Gohr                <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" />
168*47248316SAndreas Gohr
169*47248316SAndreas Gohr                <label for="password"><?php echo $lang['pass']?></label>
170*47248316SAndreas Gohr                <input class="text" type="password" name="d[password]" id="password" />
171*47248316SAndreas Gohr
172*47248316SAndreas Gohr                <label for="confirm"><?php echo $lang['passchk']?></label>
173*47248316SAndreas Gohr                <input class="text" type="password" name="d[confirm]" id="confirm" />
174*47248316SAndreas Gohr            </fieldset>
175*47248316SAndreas Gohr        </fieldset>
176*47248316SAndreas Gohr
177*47248316SAndreas Gohr    </fieldset>
178*47248316SAndreas Gohr    <fieldset id="process">
179*47248316SAndreas Gohr        <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save']?>" />
180*47248316SAndreas Gohr    </fieldset>
181*47248316SAndreas Gohr    </form>
182*47248316SAndreas Gohr    <?php
183*47248316SAndreas Gohr}
184*47248316SAndreas Gohr
185*47248316SAndreas Gohr/**
186*47248316SAndreas Gohr * Check validity of data
187*47248316SAndreas Gohr *
188*47248316SAndreas Gohr * @author Andreas Gohr
189*47248316SAndreas Gohr */
190*47248316SAndreas Gohrfunction check_data($d){
191*47248316SAndreas Gohr    global $lang;
192*47248316SAndreas Gohr    global $error;
193*47248316SAndreas Gohr
194*47248316SAndreas Gohr    $ok = true;
195*47248316SAndreas Gohr
196*47248316SAndreas Gohr    // check input
197*47248316SAndreas Gohr    if(empty($d['title'])){
198*47248316SAndreas Gohr        $error[] = sprintf($lang['i_badval'],$lang['i_wikiname']);
199*47248316SAndreas Gohr        $ok      = false;
200*47248316SAndreas Gohr    }
201*47248316SAndreas Gohr    if($d['acl']){
202*47248316SAndreas Gohr        if(!preg_match('/^[a-z1-9_]+$/',$d['superuser'])){
203*47248316SAndreas Gohr            $error[] = sprintf($lang['i_badval'],$lang['i_superuser']);
204*47248316SAndreas Gohr            $ok      = false;
205*47248316SAndreas Gohr        }
206*47248316SAndreas Gohr        if(empty($d['password'])){
207*47248316SAndreas Gohr            $error[] = sprintf($lang['i_badval'],$lang['pass']);
208*47248316SAndreas Gohr            $ok      = false;
209*47248316SAndreas Gohr        }
210*47248316SAndreas Gohr        if($d['confirm'] != $d['password']){
211*47248316SAndreas Gohr            $error[] = sprintf($lang['i_badval'],$lang['passchk']);
212*47248316SAndreas Gohr            $ok      = false;
213*47248316SAndreas Gohr        }
214*47248316SAndreas Gohr        if(empty($d['fullname']) || strstr($d['fullname'],':')){
215*47248316SAndreas Gohr            $error[] = sprintf($lang['i_badval'],$lang['fullname']);
216*47248316SAndreas Gohr            $ok      = false;
217*47248316SAndreas Gohr        }
218*47248316SAndreas Gohr        if(empty($d['email']) || strstr($d['fullname'],':')){
219*47248316SAndreas Gohr            $error[] = sprintf($lang['i_badval'],$lang['email']);
220*47248316SAndreas Gohr            $ok      = false;
221*47248316SAndreas Gohr        }
222*47248316SAndreas Gohr    }
223*47248316SAndreas Gohr    return $ok;
224*47248316SAndreas Gohr}
225*47248316SAndreas Gohr
226*47248316SAndreas Gohr/**
227*47248316SAndreas Gohr * Writes the data to the config files
228*47248316SAndreas Gohr *
229*47248316SAndreas Gohr * @author  Chris Smith <chris@jalakai.co.uk>
230*47248316SAndreas Gohr */
231*47248316SAndreas Gohrfunction store_data($d){
232*47248316SAndreas Gohr    $ok = true;
233*47248316SAndreas Gohr
234*47248316SAndreas Gohr    // create changes.log
235*47248316SAndreas Gohr    if (!@file_exists(DOKU_INC.'data/changes.log')){
236*47248316SAndreas Gohr        $ok = $ok && fileWrite(DOKU_INC.'data/changes.log','');
237*47248316SAndreas Gohr    }
238*47248316SAndreas Gohr
239*47248316SAndreas Gohr    // create local.php
240*47248316SAndreas Gohr    $now    = date('r');
241*47248316SAndreas Gohr    $output = <<<EOT
242*47248316SAndreas Gohr<?php
243*47248316SAndreas Gohr/**
244*47248316SAndreas Gohr * Dokuwiki's Main Configuration File - Local Settings
245*47248316SAndreas Gohr * Auto-generated by install script
246*47248316SAndreas Gohr * Date: $now
247*47248316SAndreas Gohr */
248*47248316SAndreas Gohr
249*47248316SAndreas GohrEOT;
250*47248316SAndreas Gohr    $output .= '$conf[\'title\'] = \''.addslashes($d['title'])."';\n";
251*47248316SAndreas Gohr    if($d['acl']){
252*47248316SAndreas Gohr        $output .= '$conf[\'useacl\'] = 1'.";\n";
253*47248316SAndreas Gohr        $output .= '$conf[\'superuser\'] = \''.$d['superuser']."';\n";
254*47248316SAndreas Gohr    }
255*47248316SAndreas Gohr    $ok = $ok && fileWrite(DOKU_LOCAL.'local.php',$output);
256*47248316SAndreas Gohr
257*47248316SAndreas Gohr
258*47248316SAndreas Gohr    if ($d['acl']) {
259*47248316SAndreas Gohr        // create users.auth.php
260*47248316SAndreas Gohr        // --- user:MD5password:Real Name:email:groups,comma,seperated
261*47248316SAndreas Gohr        $output = join(":",array($d['superuser'], md5($d['password']), $d['fullname'], $d['email'], 'users'));
262*47248316SAndreas Gohr        $output = @file_get_contents(DOKU_CONF.'users.auth.php.dist')."\n$output\n";
263*47248316SAndreas Gohr        $ok = $ok && fileWrite(DOKU_LOCAL.'users.auth.php', $output);
264*47248316SAndreas Gohr
265*47248316SAndreas Gohr        // create acl.auth.php
266*47248316SAndreas Gohr        $output = @file_get_contents(DOKU_CONF.'acl.auth.php.dist');
267*47248316SAndreas Gohr        $ok = $ok && fileWrite(DOKU_LOCAL.'acl.auth.php', $output);
268*47248316SAndreas Gohr    }
269*47248316SAndreas Gohr    return $ok;
270*47248316SAndreas Gohr}
271*47248316SAndreas Gohr
272*47248316SAndreas Gohr/**
273*47248316SAndreas Gohr * Write the given content to a file
274*47248316SAndreas Gohr *
275*47248316SAndreas Gohr * @author  Chris Smith <chris@jalakai.co.uk>
276*47248316SAndreas Gohr */
277*47248316SAndreas Gohrfunction fileWrite($filename, $data) {
278*47248316SAndreas Gohr    global $error;
279*47248316SAndreas Gohr    global $lang;
280*47248316SAndreas Gohr
281*47248316SAndreas Gohr    if (($fp = @fopen($filename, 'wb')) === false) {
282*47248316SAndreas Gohr        $filename = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $filename);
283*47248316SAndreas Gohr        $error[]  = sprintf($lang['i_writeerr'],$filename);
284*47248316SAndreas Gohr        return false;
285*47248316SAndreas Gohr    }
286*47248316SAndreas Gohr
287*47248316SAndreas Gohr    if (!empty($data)) { fwrite($fp, $data);  }
288*47248316SAndreas Gohr    fclose($fp);
289*47248316SAndreas Gohr    return true;
290*47248316SAndreas Gohr}
291*47248316SAndreas Gohr
292*47248316SAndreas Gohr
293*47248316SAndreas Gohr/**
294*47248316SAndreas Gohr * check installation dependent local config files and tests for a known
295*47248316SAndreas Gohr * unmodified main config file
296*47248316SAndreas Gohr *
297*47248316SAndreas Gohr * @author      Chris Smith <chris@jalakai.co.uk>
298*47248316SAndreas Gohr */
299*47248316SAndreas Gohrfunction check_configs(){
300*47248316SAndreas Gohr    global $error;
301*47248316SAndreas Gohr    global $lang;
302*47248316SAndreas Gohr    global $dokuwiki_hash;
303*47248316SAndreas Gohr
304*47248316SAndreas Gohr    $ok = true;
305*47248316SAndreas Gohr
3065cfb8815Schris    $config_files = array(
3075cfb8815Schris        'local' => DOKU_LOCAL.'local.php',
3085cfb8815Schris        'users' => DOKU_LOCAL.'users.auth.php',
3095cfb8815Schris        'auth'  => DOKU_LOCAL.'acl.auth.php'
3105cfb8815Schris    );
3115cfb8815Schris
3125cfb8815Schris
3135cfb8815Schris    // main dokuwiki config file (conf/dokuwiki.php) must not have been modified
314*47248316SAndreas Gohr    $installation_hash = md5(@file_get_contents(DOKU_CONF.'dokuwiki.php'));
3155cfb8815Schris    if (!in_array($installation_hash, $dokuwiki_hash)) {
316*47248316SAndreas Gohr        $error[] = sprintf($lang['i_badhash'],$installation_hash);
317*47248316SAndreas Gohr        $ok = false;
3185cfb8815Schris    }
3195cfb8815Schris
320*47248316SAndreas Gohr    // configs shouldn't exist
321*47248316SAndreas Gohr    foreach ($config_files as $file) {
322*47248316SAndreas Gohr        if (@file_exists($file)) {
323*47248316SAndreas Gohr            $file    = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $file);
324*47248316SAndreas Gohr            $error[] = sprintf($lang['i_confexists'],$file);
325*47248316SAndreas Gohr            $ok      = false;
326*47248316SAndreas Gohr        }
327*47248316SAndreas Gohr    }
328*47248316SAndreas Gohr    return $ok;
329*47248316SAndreas Gohr}
330*47248316SAndreas Gohr
331*47248316SAndreas Gohr
332*47248316SAndreas Gohr/**
333*47248316SAndreas Gohr * Check other installation dir/file permission requirements
334*47248316SAndreas Gohr *
335*47248316SAndreas Gohr * @author      Chris Smith <chris@jalakai.co.uk>
336*47248316SAndreas Gohr */
337*47248316SAndreas Gohrfunction check_permissions(){
338*47248316SAndreas Gohr    global $error;
339*47248316SAndreas Gohr    global $lang;
340*47248316SAndreas Gohr
341*47248316SAndreas Gohr    $dirs = array(
342*47248316SAndreas Gohr        'conf'      => DOKU_LOCAL,
343*47248316SAndreas Gohr        'data'      => DOKU_INC.'data',
344*47248316SAndreas Gohr        'pages'     => DOKU_INC.'data/pages',
345*47248316SAndreas Gohr        'attic'     => DOKU_INC.'data/attic',
346*47248316SAndreas Gohr        'media'     => DOKU_INC.'data/media',
347*47248316SAndreas Gohr        'meta'      => DOKU_INC.'data/meta',
348*47248316SAndreas Gohr        'cache'     => DOKU_INC.'data/cache',
349*47248316SAndreas Gohr        'locks'     => DOKU_INC.'data/locks',
350*47248316SAndreas Gohr    );
351*47248316SAndreas Gohr
352*47248316SAndreas Gohr    $ok = true;
353*47248316SAndreas Gohr    foreach($dirs as $dir){
354*47248316SAndreas Gohr        if(!@file_exists("$dir/.") || !@is_writable($dir)){
355*47248316SAndreas Gohr            $dir     = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $dir);
356*47248316SAndreas Gohr            $error[] = sprintf($lang['i_permfail'],$dir);
357*47248316SAndreas Gohr            $ok      = false;
358*47248316SAndreas Gohr        }
359*47248316SAndreas Gohr    }
360*47248316SAndreas Gohr    return $ok;
361*47248316SAndreas Gohr}
362*47248316SAndreas Gohr
363*47248316SAndreas Gohr/**
364*47248316SAndreas Gohr * Check the availability of functions used in DokuWiki
365*47248316SAndreas Gohr *
366*47248316SAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org>
367*47248316SAndreas Gohr */
368*47248316SAndreas Gohrfunction check_functions(){
369*47248316SAndreas Gohr    global $error;
370*47248316SAndreas Gohr    global $lang;
371*47248316SAndreas Gohr    $funcs = explode(' ','addslashes basename call_user_func chmod copy fgets '.
372*47248316SAndreas Gohr                         'file file_exists fseek flush filesize ftell fopen '.
373*47248316SAndreas Gohr                         'glob header ignore_user_abort ini_get mail mkdir '.
374*47248316SAndreas Gohr                         'ob_start opendir parse_ini_file readfile realpath '.
375*47248316SAndreas Gohr                         'rename rmdir serialize session_start unlink usleep');
376*47248316SAndreas Gohr
377*47248316SAndreas Gohr    $ok = true;
378*47248316SAndreas Gohr    foreach($funcs as $func){
379*47248316SAndreas Gohr        if(!function_exists($func)){
380*47248316SAndreas Gohr            $error[] = sprintf($lang['i_funcna'],$func);
381*47248316SAndreas Gohr            $ok = false;
382*47248316SAndreas Gohr        }
383*47248316SAndreas Gohr    }
384*47248316SAndreas Gohr    return $ok;
385*47248316SAndreas Gohr}
386*47248316SAndreas Gohr
387*47248316SAndreas Gohr/**
388*47248316SAndreas Gohr * Print language selection
389*47248316SAndreas Gohr *
390*47248316SAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org>
391*47248316SAndreas Gohr */
392*47248316SAndreas Gohrfunction langsel(){
393*47248316SAndreas Gohr    global $lang;
394*47248316SAndreas Gohr    global $LC;
395*47248316SAndreas Gohr
396*47248316SAndreas Gohr    $dir = DOKU_INC.'inc/lang';
397*47248316SAndreas Gohr    $dh  = opendir($dir);
398*47248316SAndreas Gohr    if(!$dh) return;
399*47248316SAndreas Gohr
400*47248316SAndreas Gohr    $langs = array();
401*47248316SAndreas Gohr    while (($file = readdir($dh)) !== false) {
402*47248316SAndreas Gohr        if(preg_match('/^[\._]/',$file)) continue;
403*47248316SAndreas Gohr        if(is_dir($dir.'/'.$file) && @file_exists($dir.'/'.$file.'/lang.php')){
404*47248316SAndreas Gohr            $langs[] = $file;
405*47248316SAndreas Gohr        }
406*47248316SAndreas Gohr    }
407*47248316SAndreas Gohr    closedir($dh);
408*47248316SAndreas Gohr    sort($langs);
409*47248316SAndreas Gohr
410*47248316SAndreas Gohr
411*47248316SAndreas Gohr    echo '<form action="">';
412*47248316SAndreas Gohr    echo $lang['i_chooselang'];
413*47248316SAndreas Gohr    echo ': <select name="l" onchange="submit()">';
414*47248316SAndreas Gohr    foreach($langs as $l){
415*47248316SAndreas Gohr        $sel = ($l == $LC) ? 'selected="selected"' : '';
416*47248316SAndreas Gohr        echo '<option value="'.$l.'" '.$sel.'>'.$l.'</option>';
417*47248316SAndreas Gohr    }
418*47248316SAndreas Gohr    echo '</select>';
419*47248316SAndreas Gohr    echo '<input type="submit" value="'.$lang['btn_update'].'" />';
420*47248316SAndreas Gohr    echo '</form>';
421*47248316SAndreas Gohr}
422*47248316SAndreas Gohr
423*47248316SAndreas Gohr/**
424*47248316SAndreas Gohr * Print gloabl error array
425*47248316SAndreas Gohr *
426*47248316SAndreas Gohr * @author Andreas Gohr <andi@splitbrain.org>
427*47248316SAndreas Gohr */
428*47248316SAndreas Gohrfunction print_errors(){
429*47248316SAndreas Gohr    global $error;
430*47248316SAndreas Gohr    echo '<ul>';
431*47248316SAndreas Gohr    foreach ($error as $err){
432*47248316SAndreas Gohr        echo "<li>$err</li>";
433*47248316SAndreas Gohr    }
434*47248316SAndreas Gohr    echo '</ul>';
435*47248316SAndreas Gohr}
4365cfb8815Schris
4375cfb8815Schris/**
4385cfb8815Schris * remove magic quotes recursivly
4395cfb8815Schris *
4405cfb8815Schris * @author Andreas Gohr <andi@splitbrain.org>
4415cfb8815Schris */
4425cfb8815Schrisfunction remove_magic_quotes(&$array) {
4435cfb8815Schris  foreach (array_keys($array) as $key) {
4445cfb8815Schris    if (is_array($array[$key])) {
4455cfb8815Schris      remove_magic_quotes($array[$key]);
4465cfb8815Schris    }else {
4475cfb8815Schris      $array[$key] = stripslashes($array[$key]);
4485cfb8815Schris    }
4495cfb8815Schris  }
4505cfb8815Schris}
4515cfb8815Schris
452