xref: /dokuwiki/install.php (revision 3545b2e00f01dc8e3b59ba4b2fc937f296b43bb5) 
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// check for error reporting override or set error reporting to sane values
13if (!defined('DOKU_E_LEVEL')) { error_reporting(E_ALL ^ E_NOTICE); }
14else { error_reporting(DOKU_E_LEVEL); }
15
16// kill magic quotes
17if (get_magic_quotes_gpc() && !defined('MAGIC_QUOTES_STRIPPED')) {
18    if (!empty($_GET))    remove_magic_quotes($_GET);
19    if (!empty($_POST))   remove_magic_quotes($_POST);
20    if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE);
21    if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST);
22    @ini_set('magic_quotes_gpc', 0);
23    define('MAGIC_QUOTES_STRIPPED',1);
24}
25@set_magic_quotes_runtime(0);
26@ini_set('magic_quotes_sybase',0);
27
28// language strings
29require_once(DOKU_INC.'inc/lang/en/lang.php');
30$LC = preg_replace('/[^a-z\-]+/','',$_REQUEST['l']);
31if(!$LC) $LC = 'en';
32if($LC && $LC != 'en' ) {
33    require_once(DOKU_INC.'inc/lang/'.$LC.'/lang.php');
34}
35
36// initialise variables ...
37$error = array();
38
39$dokuwiki_hash = array(
40    '2005-09-22' => 'e33223e957b0b0a130d0520db08f8fb7',
41    '2006-03-05' => '51295727f79ab9af309a2fd9e0b61acc',
42    '2006-03-09' => '51295727f79ab9af309a2fd9e0b61acc',
43    'devel'      => '732131839d559198b985e183eefe9a63',
44);
45
46
47
48// begin output
49header('Content-Type: text/html; charset=utf-8');
50?>
51<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
52 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
53<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $LC?>"
54 lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>">
55<head>
56    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
57    <title>DokuWiki Installer</title>
58    <style type="text/css">
59        body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; }
60        img { border: none }
61        br.cl { clear:both; }
62        code { font-size: 110%; color: #008000; }
63        fieldset { border: none }
64        label { display: block;}
65        input.text { width: 30em; margin: 0 0.5em; }
66    </style>
67    <script type="text/javascript" language="javascript">
68        function acltoggle(){
69            var cb = document.getElementById('acl');
70            var fs = document.getElementById('acldep');
71            if(!cb || !fs) return;
72            if(cb.checked){
73                fs.style.display = '';
74            }else{
75                fs.style.display = 'none';
76            }
77        }
78        window.onload = function(){
79            acltoggle();
80            var cb = document.getElementById('acl');
81            if(cb) cb.onchange = acltoggle;
82        };
83    </script>
84</head>
85<body style="">
86    <h1 style="float:left">
87        <img src="http://wiki.splitbrain.org/_media/wiki:dokuwiki-64.png"
88             style="vertical-align: middle;" alt="" />
89        <?php echo $lang['i_installer']?>
90    </h1>
91    <div style="float:right; margin: 1em;">
92        <?php langsel()?>
93    </div>
94    <br class="cl" />
95
96    <div style="float: right; width: 34%;">
97        <?php
98            if(@file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
99                include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
100            }else{
101                include(DOKU_INC.'inc/lang/en/install.html');
102            }
103        ?>
104    </div>
105
106    <div style="float: left; width: 58%;">
107        <?php
108            if(! (check_functions() && check_permissions()) ){
109                echo '<p>'.$lang['i_problems'].'</p>';
110                print_errors();
111            }elseif(!check_configs()){
112                echo '<p>'.$lang['i_modified'].'</p>';
113                print_errors();
114            }elseif($_REQUEST['submit']){
115                if(!check_data($_REQUEST['d'])){
116                    print_errors();
117                    print_form($_REQUEST['d']);
118                }elseif(!store_data($_REQUEST['d'])){
119                    echo '<p>'.$lang['i_failure'].'</p>';
120                    print_errors();
121                }else{
122                    echo '<p>'.$lang['i_success'].'</p>';
123                }
124            }else{
125                print_form($_REQUEST['d']);
126            }
127        ?>
128    </div>
129
130<div style="clear: both">
131  <a href="http://wiki.splitbrain.org/wiki:dokuwiki"><img src="lib/tpl/default/images/button-dw.png" alt="driven by DokuWiki" /></a>
132  <a href="http://www.php.net"><img src="lib/tpl/default/images/button-php.gif" alt="powered by PHP" /></a>
133</div>
134</body>
135</html>
136<?php
137
138/**
139 * Print the input form
140 */
141function print_form($d){
142    global $lang;
143    global $LC;
144
145    if(!is_array($d)) $d = array();
146    $d = array_map('htmlspecialchars',$d);
147
148    if(!isset($d['acl'])) $d['acl']=1;
149
150    ?>
151    <form action="" method="post">
152    <input type="hidden" name="l" value="<?php echo $LC ?>" />
153    <fieldset>
154        <label for="title"><?php echo $lang['i_wikiname']?>
155        <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" />
156        </label>
157
158        <fieldset style="margin-top: 1em;">
159            <label for="acl">
160            <input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? 'checked="checked"' : ''));?> />
161            <?php echo $lang['i_enableacl']?></label>
162
163            <fieldset id="acldep">
164                <label for="superuser"><?php echo $lang['i_superuser']?></label>
165                <input class="text" type="text" name="d[superuser]" id="superuser" value="<?php echo $d['superuser'] ?>" />
166
167                <label for="fullname"><?php echo $lang['fullname']?></label>
168                <input class="text" type="text" name="d[fullname]" id="fullname" value="<?php echo $d['fullname'] ?>" />
169
170                <label for="email"><?php echo $lang['email']?></label>
171                <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" />
172
173                <label for="password"><?php echo $lang['pass']?></label>
174                <input class="text" type="password" name="d[password]" id="password" />
175
176                <label for="confirm"><?php echo $lang['passchk']?></label>
177                <input class="text" type="password" name="d[confirm]" id="confirm" />
178            </fieldset>
179        </fieldset>
180
181    </fieldset>
182    <fieldset id="process">
183        <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save']?>" />
184    </fieldset>
185    </form>
186    <?php
187}
188
189/**
190 * Check validity of data
191 *
192 * @author Andreas Gohr
193 */
194function check_data($d){
195    global $lang;
196    global $error;
197
198    $ok = true;
199
200    // check input
201    if(empty($d['title'])){
202        $error[] = sprintf($lang['i_badval'],$lang['i_wikiname']);
203        $ok      = false;
204    }
205    if($d['acl']){
206        if(!preg_match('/^[a-z1-9_]+$/',$d['superuser'])){
207            $error[] = sprintf($lang['i_badval'],$lang['i_superuser']);
208            $ok      = false;
209        }
210        if(empty($d['password'])){
211            $error[] = sprintf($lang['i_badval'],$lang['pass']);
212            $ok      = false;
213        }
214        if($d['confirm'] != $d['password']){
215            $error[] = sprintf($lang['i_badval'],$lang['passchk']);
216            $ok      = false;
217        }
218        if(empty($d['fullname']) || strstr($d['fullname'],':')){
219            $error[] = sprintf($lang['i_badval'],$lang['fullname']);
220            $ok      = false;
221        }
222        if(empty($d['email']) || strstr($d['fullname'],':')){
223            $error[] = sprintf($lang['i_badval'],$lang['email']);
224            $ok      = false;
225        }
226    }
227    return $ok;
228}
229
230/**
231 * Writes the data to the config files
232 *
233 * @author  Chris Smith <chris@jalakai.co.uk>
234 */
235function store_data($d){
236    $ok = true;
237
238    // create changes.log
239    if (!@file_exists(DOKU_INC.'data/changes.log')){
240        $ok = $ok && fileWrite(DOKU_INC.'data/changes.log','');
241    }
242
243    // create local.php
244    $now    = date('r');
245    $output = <<<EOT
246<?php
247/**
248 * Dokuwiki's Main Configuration File - Local Settings
249 * Auto-generated by install script
250 * Date: $now
251 */
252
253EOT;
254    $output .= '$conf[\'title\'] = \''.addslashes($d['title'])."';\n";
255    if($d['acl']){
256        $output .= '$conf[\'useacl\'] = 1'.";\n";
257        $output .= '$conf[\'superuser\'] = \''.$d['superuser']."';\n";
258    }
259    $ok = $ok && fileWrite(DOKU_LOCAL.'local.php',$output);
260
261
262    if ($d['acl']) {
263        // create users.auth.php
264        // --- user:MD5password:Real Name:email:groups,comma,seperated
265        $output = join(":",array($d['superuser'], md5($d['password']), $d['fullname'], $d['email'], 'users'));
266        $output = @file_get_contents(DOKU_CONF.'users.auth.php.dist')."\n$output\n";
267        $ok = $ok && fileWrite(DOKU_LOCAL.'users.auth.php', $output);
268
269        // create acl.auth.php
270        $output = @file_get_contents(DOKU_CONF.'acl.auth.php.dist');
271        $ok = $ok && fileWrite(DOKU_LOCAL.'acl.auth.php', $output);
272    }
273    return $ok;
274}
275
276/**
277 * Write the given content to a file
278 *
279 * @author  Chris Smith <chris@jalakai.co.uk>
280 */
281function fileWrite($filename, $data) {
282    global $error;
283    global $lang;
284
285    if (($fp = @fopen($filename, 'wb')) === false) {
286        $filename = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $filename);
287        $error[]  = sprintf($lang['i_writeerr'],$filename);
288        return false;
289    }
290
291    if (!empty($data)) { fwrite($fp, $data);  }
292    fclose($fp);
293    return true;
294}
295
296
297/**
298 * check installation dependent local config files and tests for a known
299 * unmodified main config file
300 *
301 * @author      Chris Smith <chris@jalakai.co.uk>
302 */
303function check_configs(){
304    global $error;
305    global $lang;
306    global $dokuwiki_hash;
307
308    $ok = true;
309
310    $config_files = array(
311        'local' => DOKU_LOCAL.'local.php',
312        'users' => DOKU_LOCAL.'users.auth.php',
313        'auth'  => DOKU_LOCAL.'acl.auth.php'
314    );
315
316
317    // main dokuwiki config file (conf/dokuwiki.php) must not have been modified
318    $installation_hash = md5(@file_get_contents(DOKU_CONF.'dokuwiki.php'));
319    if (!in_array($installation_hash, $dokuwiki_hash)) {
320        $error[] = sprintf($lang['i_badhash'],$installation_hash);
321        $ok = false;
322    }
323
324    // configs shouldn't exist
325    foreach ($config_files as $file) {
326        if (@file_exists($file)) {
327            $file    = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $file);
328            $error[] = sprintf($lang['i_confexists'],$file);
329            $ok      = false;
330        }
331    }
332    return $ok;
333}
334
335
336/**
337 * Check other installation dir/file permission requirements
338 *
339 * @author      Chris Smith <chris@jalakai.co.uk>
340 */
341function check_permissions(){
342    global $error;
343    global $lang;
344
345    $dirs = array(
346        'conf'      => DOKU_LOCAL,
347        'data'      => DOKU_INC.'data',
348        'pages'     => DOKU_INC.'data/pages',
349        'attic'     => DOKU_INC.'data/attic',
350        'media'     => DOKU_INC.'data/media',
351        'meta'      => DOKU_INC.'data/meta',
352        'cache'     => DOKU_INC.'data/cache',
353        'locks'     => DOKU_INC.'data/locks',
354    );
355
356    $ok = true;
357    foreach($dirs as $dir){
358        if(!@file_exists("$dir/.") || !@is_writable($dir)){
359            $dir     = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $dir);
360            $error[] = sprintf($lang['i_permfail'],$dir);
361            $ok      = false;
362        }
363    }
364    return $ok;
365}
366
367/**
368 * Check the availability of functions used in DokuWiki
369 *
370 * @author Andreas Gohr <andi@splitbrain.org>
371 */
372function check_functions(){
373    global $error;
374    global $lang;
375    $funcs = explode(' ','addslashes basename call_user_func chmod copy fgets '.
376                         'file file_exists fseek flush filesize ftell fopen '.
377                         'glob header ignore_user_abort ini_get mail mkdir '.
378                         'ob_start opendir parse_ini_file readfile realpath '.
379                         'rename rmdir serialize session_start unlink usleep');
380
381    $ok = true;
382    foreach($funcs as $func){
383        if(!function_exists($func)){
384            $error[] = sprintf($lang['i_funcna'],$func);
385            $ok = false;
386        }
387    }
388    return $ok;
389}
390
391/**
392 * Print language selection
393 *
394 * @author Andreas Gohr <andi@splitbrain.org>
395 */
396function langsel(){
397    global $lang;
398    global $LC;
399
400    $dir = DOKU_INC.'inc/lang';
401    $dh  = opendir($dir);
402    if(!$dh) return;
403
404    $langs = array();
405    while (($file = readdir($dh)) !== false) {
406        if(preg_match('/^[\._]/',$file)) continue;
407        if(is_dir($dir.'/'.$file) && @file_exists($dir.'/'.$file.'/lang.php')){
408            $langs[] = $file;
409        }
410    }
411    closedir($dh);
412    sort($langs);
413
414
415    echo '<form action="">';
416    echo $lang['i_chooselang'];
417    echo ': <select name="l" onchange="submit()">';
418    foreach($langs as $l){
419        $sel = ($l == $LC) ? 'selected="selected"' : '';
420        echo '<option value="'.$l.'" '.$sel.'>'.$l.'</option>';
421    }
422    echo '</select>';
423    echo '<input type="submit" value="'.$lang['btn_update'].'" />';
424    echo '</form>';
425}
426
427/**
428 * Print gloabl error array
429 *
430 * @author Andreas Gohr <andi@splitbrain.org>
431 */
432function print_errors(){
433    global $error;
434    echo '<ul>';
435    foreach ($error as $err){
436        echo "<li>$err</li>";
437    }
438    echo '</ul>';
439}
440
441/**
442 * remove magic quotes recursivly
443 *
444 * @author Andreas Gohr <andi@splitbrain.org>
445 */
446function remove_magic_quotes(&$array) {
447  foreach (array_keys($array) as $key) {
448    if (is_array($array[$key])) {
449      remove_magic_quotes($array[$key]);
450    }else {
451      $array[$key] = stripslashes($array[$key]);
452    }
453  }
454}
455
456