xref: /dokuwiki/install.php (revision 472483168f19453a8b390d406f1cc0602942cdbb) 
1<?php
2/**
3 *  Dokuwiki installation assistance
4 *
5 *  @author      Chris Smith <chris@jalakai.co.uk>
6 */
7
8if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__)).'/');
9if(!defined('DOKU_CONF')) define('DOKU_CONF',DOKU_INC.'conf/');
10if(!defined('DOKU_LOCAL')) define('DOKU_LOCAL',DOKU_INC.'conf/');
11
12// kill magic quotes
13if (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) {
14    if (!empty($_GET))    remove_magic_quotes($_GET);
15    if (!empty($_POST))   remove_magic_quotes($_POST);
16    if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE);
17    if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST);
18    @ini_set('magic_quotes_gpc', 0);
19    define('MAGIC_QUOTES_STRIPPED',1);
20}
21@set_magic_quotes_runtime(0);
22@ini_set('magic_quotes_sybase',0);
23
24// language strings
25require_once(DOKU_INC.'inc/lang/en/lang.php');
26$LC = preg_replace('/[^a-z\-]+/','',$_REQUEST['l']);
27if(!$LC) $LC = 'en';
28if($LC && $LC != 'en' ) {
29    require_once(DOKU_INC.'inc/lang/'.$LC.'/lang.php');
30}
31
32// initialise variables ...
33$error = array();
34
35$dokuwiki_hash = array(
36    '2005-09-22' => 'e33223e957b0b0a130d0520db08f8fb7',
37    '2006-03-05' => '51295727f79ab9af309a2fd9e0b61acc',
38    '2006-03-09' => '51295727f79ab9af309a2fd9e0b61acc',
39    'devel'      => '732131839d559198b985e183eefe9a63',
40);
41
42
43
44// begin output
45header('Content-Type: text/html; charset=utf-8');
46?>
47<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
48 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
49<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $LC?>"
50 lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>">
51<head>
52    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
53    <title>DokuWiki Installer</title>
54    <style type="text/css">
55        body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; }
56        img { border: none }
57        br.cl { clear:both; }
58        code { font-size: 110%; color: #008000; }
59        fieldset { border: none }
60        label { display: block;}
61        input.text { width: 30em; margin: 0 0.5em; }
62    </style>
63    <script type="text/javascript" language="javascript">
64        function acltoggle(){
65            var cb = document.getElementById('acl');
66            var fs = document.getElementById('acldep');
67            if(!cb || !fs) return;
68            if(cb.checked){
69                fs.style.display = '';
70            }else{
71                fs.style.display = 'none';
72            }
73        }
74        window.onload = function(){
75            acltoggle();
76            var cb = document.getElementById('acl');
77            if(cb) cb.onchange = acltoggle;
78        };
79    </script>
80</head>
81<body style="">
82    <h1 style="float:left">
83        <img src="http://wiki.splitbrain.org/_media/wiki:dokuwiki-64.png"
84             style="vertical-align: middle;" alt="" />
85        <?php echo $lang['i_installer']?>
86    </h1>
87    <div style="float:right; margin: 1em;">
88        <?php langsel()?>
89    </div>
90    <br class="cl" />
91
92    <div style="float: right; width: 34%;">
93        <?php
94            if(@file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
95                include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
96            }else{
97                include(DOKU_INC.'inc/lang/en/install.html');
98            }
99        ?>
100    </div>
101
102    <div style="float: left; width: 58%;">
103        <?php
104            if(! (check_functions() && check_permissions()) ){
105                echo '<p>'.$lang['i_problems'].'</p>';
106                print_errors();
107            }elseif(!check_configs()){
108                echo '<p>'.$lang['i_modified'].'</p>';
109                print_errors();
110            }elseif($_REQUEST['submit']){
111                if(!check_data($_REQUEST['d'])){
112                    print_errors();
113                    print_form($_REQUEST['d']);
114                }elseif(!store_data($_REQUEST['d'])){
115                    echo '<p>'.$lang['i_failure'].'</p>';
116                    print_errors();
117                }else{
118                    echo '<p>'.$lang['i_success'].'</p>';
119                }
120            }else{
121                print_form($_REQUEST['d']);
122            }
123        ?>
124    </div>
125
126<div style="clear: both">
127  <a href="http://wiki.splitbrain.org/wiki:dokuwiki"><img src="lib/tpl/default/images/button-dw.png" alt="driven by DokuWiki" /></a>
128  <a href="http://www.php.net"><img src="lib/tpl/default/images/button-php.gif" alt="powered by PHP" /></a>
129</div>
130</body>
131</html>
132<?php
133
134/**
135 * Print the input form
136 */
137function print_form($d){
138    global $lang;
139    global $LC;
140
141    if(!is_array($d)) $d = array();
142    $d = array_map('htmlspecialchars',$d);
143
144    if(!isset($d['acl'])) $d['acl']=1;
145
146    ?>
147    <form action="" method="post">
148    <input type="hidden" name="l" value="<?php echo $LC ?>" />
149    <fieldset>
150        <label for="title"><?php echo $lang['i_wikiname']?>
151        <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" />
152        </label>
153
154        <fieldset style="margin-top: 1em;">
155            <label for="acl">
156            <input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? 'checked="checked"' : ''));?> />
157            <?php echo $lang['i_enableacl']?></label>
158
159            <fieldset id="acldep">
160                <label for="superuser"><?php echo $lang['i_superuser']?></label>
161                <input class="text" type="text" name="d[superuser]" id="superuser" value="<?php echo $d['superuser'] ?>" />
162
163                <label for="fullname"><?php echo $lang['fullname']?></label>
164                <input class="text" type="text" name="d[fullname]" id="fullname" value="<?php echo $d['fullname'] ?>" />
165
166                <label for="email"><?php echo $lang['email']?></label>
167                <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" />
168
169                <label for="password"><?php echo $lang['pass']?></label>
170                <input class="text" type="password" name="d[password]" id="password" />
171
172                <label for="confirm"><?php echo $lang['passchk']?></label>
173                <input class="text" type="password" name="d[confirm]" id="confirm" />
174            </fieldset>
175        </fieldset>
176
177    </fieldset>
178    <fieldset id="process">
179        <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save']?>" />
180    </fieldset>
181    </form>
182    <?php
183}
184
185/**
186 * Check validity of data
187 *
188 * @author Andreas Gohr
189 */
190function check_data($d){
191    global $lang;
192    global $error;
193
194    $ok = true;
195
196    // check input
197    if(empty($d['title'])){
198        $error[] = sprintf($lang['i_badval'],$lang['i_wikiname']);
199        $ok      = false;
200    }
201    if($d['acl']){
202        if(!preg_match('/^[a-z1-9_]+$/',$d['superuser'])){
203            $error[] = sprintf($lang['i_badval'],$lang['i_superuser']);
204            $ok      = false;
205        }
206        if(empty($d['password'])){
207            $error[] = sprintf($lang['i_badval'],$lang['pass']);
208            $ok      = false;
209        }
210        if($d['confirm'] != $d['password']){
211            $error[] = sprintf($lang['i_badval'],$lang['passchk']);
212            $ok      = false;
213        }
214        if(empty($d['fullname']) || strstr($d['fullname'],':')){
215            $error[] = sprintf($lang['i_badval'],$lang['fullname']);
216            $ok      = false;
217        }
218        if(empty($d['email']) || strstr($d['fullname'],':')){
219            $error[] = sprintf($lang['i_badval'],$lang['email']);
220            $ok      = false;
221        }
222    }
223    return $ok;
224}
225
226/**
227 * Writes the data to the config files
228 *
229 * @author  Chris Smith <chris@jalakai.co.uk>
230 */
231function store_data($d){
232    $ok = true;
233
234    // create changes.log
235    if (!@file_exists(DOKU_INC.'data/changes.log')){
236        $ok = $ok && fileWrite(DOKU_INC.'data/changes.log','');
237    }
238
239    // create local.php
240    $now    = date('r');
241    $output = <<<EOT
242<?php
243/**
244 * Dokuwiki's Main Configuration File - Local Settings
245 * Auto-generated by install script
246 * Date: $now
247 */
248
249EOT;
250    $output .= '$conf[\'title\'] = \''.addslashes($d['title'])."';\n";
251    if($d['acl']){
252        $output .= '$conf[\'useacl\'] = 1'.";\n";
253        $output .= '$conf[\'superuser\'] = \''.$d['superuser']."';\n";
254    }
255    $ok = $ok && fileWrite(DOKU_LOCAL.'local.php',$output);
256
257
258    if ($d['acl']) {
259        // create users.auth.php
260        // --- user:MD5password:Real Name:email:groups,comma,seperated
261        $output = join(":",array($d['superuser'], md5($d['password']), $d['fullname'], $d['email'], 'users'));
262        $output = @file_get_contents(DOKU_CONF.'users.auth.php.dist')."\n$output\n";
263        $ok = $ok && fileWrite(DOKU_LOCAL.'users.auth.php', $output);
264
265        // create acl.auth.php
266        $output = @file_get_contents(DOKU_CONF.'acl.auth.php.dist');
267        $ok = $ok && fileWrite(DOKU_LOCAL.'acl.auth.php', $output);
268    }
269    return $ok;
270}
271
272/**
273 * Write the given content to a file
274 *
275 * @author  Chris Smith <chris@jalakai.co.uk>
276 */
277function fileWrite($filename, $data) {
278    global $error;
279    global $lang;
280
281    if (($fp = @fopen($filename, 'wb')) === false) {
282        $filename = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $filename);
283        $error[]  = sprintf($lang['i_writeerr'],$filename);
284        return false;
285    }
286
287    if (!empty($data)) { fwrite($fp, $data);  }
288    fclose($fp);
289    return true;
290}
291
292
293/**
294 * check installation dependent local config files and tests for a known
295 * unmodified main config file
296 *
297 * @author      Chris Smith <chris@jalakai.co.uk>
298 */
299function check_configs(){
300    global $error;
301    global $lang;
302    global $dokuwiki_hash;
303
304    $ok = true;
305
306    $config_files = array(
307        'local' => DOKU_LOCAL.'local.php',
308        'users' => DOKU_LOCAL.'users.auth.php',
309        'auth'  => DOKU_LOCAL.'acl.auth.php'
310    );
311
312
313    // main dokuwiki config file (conf/dokuwiki.php) must not have been modified
314    $installation_hash = md5(@file_get_contents(DOKU_CONF.'dokuwiki.php'));
315    if (!in_array($installation_hash, $dokuwiki_hash)) {
316        $error[] = sprintf($lang['i_badhash'],$installation_hash);
317        $ok = false;
318    }
319
320    // configs shouldn't exist
321    foreach ($config_files as $file) {
322        if (@file_exists($file)) {
323            $file    = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $file);
324            $error[] = sprintf($lang['i_confexists'],$file);
325            $ok      = false;
326        }
327    }
328    return $ok;
329}
330
331
332/**
333 * Check other installation dir/file permission requirements
334 *
335 * @author      Chris Smith <chris@jalakai.co.uk>
336 */
337function check_permissions(){
338    global $error;
339    global $lang;
340
341    $dirs = array(
342        'conf'      => DOKU_LOCAL,
343        'data'      => DOKU_INC.'data',
344        'pages'     => DOKU_INC.'data/pages',
345        'attic'     => DOKU_INC.'data/attic',
346        'media'     => DOKU_INC.'data/media',
347        'meta'      => DOKU_INC.'data/meta',
348        'cache'     => DOKU_INC.'data/cache',
349        'locks'     => DOKU_INC.'data/locks',
350    );
351
352    $ok = true;
353    foreach($dirs as $dir){
354        if(!@file_exists("$dir/.") || !@is_writable($dir)){
355            $dir     = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $dir);
356            $error[] = sprintf($lang['i_permfail'],$dir);
357            $ok      = false;
358        }
359    }
360    return $ok;
361}
362
363/**
364 * Check the availability of functions used in DokuWiki
365 *
366 * @author Andreas Gohr <andi@splitbrain.org>
367 */
368function check_functions(){
369    global $error;
370    global $lang;
371    $funcs = explode(' ','addslashes basename call_user_func chmod copy fgets '.
372                         'file file_exists fseek flush filesize ftell fopen '.
373                         'glob header ignore_user_abort ini_get mail mkdir '.
374                         'ob_start opendir parse_ini_file readfile realpath '.
375                         'rename rmdir serialize session_start unlink usleep');
376
377    $ok = true;
378    foreach($funcs as $func){
379        if(!function_exists($func)){
380            $error[] = sprintf($lang['i_funcna'],$func);
381            $ok = false;
382        }
383    }
384    return $ok;
385}
386
387/**
388 * Print language selection
389 *
390 * @author Andreas Gohr <andi@splitbrain.org>
391 */
392function langsel(){
393    global $lang;
394    global $LC;
395
396    $dir = DOKU_INC.'inc/lang';
397    $dh  = opendir($dir);
398    if(!$dh) return;
399
400    $langs = array();
401    while (($file = readdir($dh)) !== false) {
402        if(preg_match('/^[\._]/',$file)) continue;
403        if(is_dir($dir.'/'.$file) && @file_exists($dir.'/'.$file.'/lang.php')){
404            $langs[] = $file;
405        }
406    }
407    closedir($dh);
408    sort($langs);
409
410
411    echo '<form action="">';
412    echo $lang['i_chooselang'];
413    echo ': <select name="l" onchange="submit()">';
414    foreach($langs as $l){
415        $sel = ($l == $LC) ? 'selected="selected"' : '';
416        echo '<option value="'.$l.'" '.$sel.'>'.$l.'</option>';
417    }
418    echo '</select>';
419    echo '<input type="submit" value="'.$lang['btn_update'].'" />';
420    echo '</form>';
421}
422
423/**
424 * Print gloabl error array
425 *
426 * @author Andreas Gohr <andi@splitbrain.org>
427 */
428function print_errors(){
429    global $error;
430    echo '<ul>';
431    foreach ($error as $err){
432        echo "<li>$err</li>";
433    }
434    echo '</ul>';
435}
436
437/**
438 * remove magic quotes recursivly
439 *
440 * @author Andreas Gohr <andi@splitbrain.org>
441 */
442function remove_magic_quotes(&$array) {
443  foreach (array_keys($array) as $key) {
444    if (is_array($array[$key])) {
445      remove_magic_quotes($array[$key]);
446    }else {
447      $array[$key] = stripslashes($array[$key]);
448    }
449  }
450}
451
452