xref: /dokuwiki/install.php (revision 29823b4629b1d6219cf14d53fdc537bbaf08d2d5) 
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',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    '2006-11-06'   => 'b3a8af76845977c2000d85d6990dd72b',
44    '2007-05-24'   => 'd80f2740c84c4a6a791fd3c7a353536f',
45    '2007-06-26'   => 'b3ca19c7a654823144119980be73cd77',
46);
47
48
49
50// begin output
51header('Content-Type: text/html; charset=utf-8');
52?>
53<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
54 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
55<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $LC?>"
56 lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>">
57<head>
58    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
59    <title><?php echo $lang['i_installer']?></title>
60    <style type="text/css">
61        body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; }
62        img { border: none }
63        br.cl { clear:both; }
64        code { font-size: 110%; color: #800000; }
65        fieldset { border: none }
66        label { display: block; margin-top: 0.5em; }
67        select.text, input.text { width: 30em; margin: 0 0.5em; }
68    </style>
69    <script type="text/javascript" language="javascript">
70        function acltoggle(){
71            var cb = document.getElementById('acl');
72            var fs = document.getElementById('acldep');
73            if(!cb || !fs) return;
74            if(cb.checked){
75                fs.style.display = '';
76            }else{
77                fs.style.display = 'none';
78            }
79        }
80        window.onload = function(){
81            acltoggle();
82            var cb = document.getElementById('acl');
83            if(cb) cb.onchange = acltoggle;
84        };
85    </script>
86</head>
87<body style="">
88    <h1 style="float:left">
89        <img src="http://wiki.splitbrain.org/_media/wiki:dokuwiki-64.png"
90             style="vertical-align: middle;" alt="" />
91        <?php echo $lang['i_installer']?>
92    </h1>
93    <div style="float:right; margin: 1em;">
94        <?php langsel()?>
95    </div>
96    <br class="cl" />
97
98    <div style="float: right; width: 34%;">
99        <?php
100            if(@file_exists(DOKU_INC.'inc/lang/'.$LC.'/install.html')){
101                include(DOKU_INC.'inc/lang/'.$LC.'/install.html');
102            }else{
103                print "<div lang=\"en\" dir=\"ltr\">\n";
104                include(DOKU_INC.'inc/lang/en/install.html');
105                print "</div>\n";
106            }
107        ?>
108    </div>
109
110    <div style="float: left; width: 58%;">
111        <?php
112            if(! (check_functions() && check_permissions()) ){
113                echo '<p>'.$lang['i_problems'].'</p>';
114                print_errors();
115                print_retry();
116            }elseif(!check_configs()){
117                echo '<p>'.$lang['i_modified'].'</p>';
118                print_errors();
119            }elseif($_REQUEST['submit']){
120                if(!check_data($_REQUEST['d'])){
121                    print_errors();
122                    print_form($_REQUEST['d']);
123                }elseif(!store_data($_REQUEST['d'])){
124                    echo '<p>'.$lang['i_failure'].'</p>';
125                    print_errors();
126                }else{
127                    echo '<p>'.$lang['i_success'].'</p>';
128                }
129            }else{
130                print_form($_REQUEST['d']);
131            }
132        ?>
133    </div>
134
135<div style="clear: both">
136  <a href="http://wiki.splitbrain.org/wiki:dokuwiki"><img src="lib/tpl/default/images/button-dw.png" alt="driven by DokuWiki" /></a>
137  <a href="http://www.php.net"><img src="lib/tpl/default/images/button-php.gif" alt="powered by PHP" /></a>
138</div>
139</body>
140</html>
141<?php
142
143/**
144 * Print the input form
145 */
146function print_form($d){
147    global $lang;
148    global $LC;
149
150    if(!is_array($d)) $d = array();
151    $d = array_map('htmlspecialchars',$d);
152
153    if(!isset($d['acl'])) $d['acl']=1;
154
155    ?>
156    <form action="" method="post">
157    <input type="hidden" name="l" value="<?php echo $LC ?>" />
158    <fieldset>
159        <label for="title"><?php echo $lang['i_wikiname']?>
160        <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" />
161        </label>
162
163        <fieldset style="margin-top: 1em;">
164            <label for="acl">
165            <input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? 'checked="checked"' : ''));?> />
166            <?php echo $lang['i_enableacl']?></label>
167
168            <fieldset id="acldep">
169                <label for="superuser"><?php echo $lang['i_superuser']?></label>
170                <input class="text" type="text" name="d[superuser]" id="superuser" value="<?php echo $d['superuser'] ?>" />
171
172                <label for="fullname"><?php echo $lang['fullname']?></label>
173                <input class="text" type="text" name="d[fullname]" id="fullname" value="<?php echo $d['fullname'] ?>" />
174
175                <label for="email"><?php echo $lang['email']?></label>
176                <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" />
177
178                <label for="password"><?php echo $lang['pass']?></label>
179                <input class="text" type="password" name="d[password]" id="password" />
180
181                <label for="confirm"><?php echo $lang['passchk']?></label>
182                <input class="text" type="password" name="d[confirm]" id="confirm" />
183
184                <label for="policy"><?php echo $lang['i_policy']?></label>
185                <select class="text" name="d[policy]" id="policy">
186                    <option value="0" <?php echo ($d['policy'] == 0)?'selected="selected"':'' ?>><?php echo $lang['i_pol0']?></option>
187                    <option value="1" <?php echo ($d['policy'] == 1)?'selected="selected"':'' ?>><?php echo $lang['i_pol1']?></option>
188                    <option value="2" <?php echo ($d['policy'] == 2)?'selected="selected"':'' ?>><?php echo $lang['i_pol2']?></option>
189                </select>
190            </fieldset>
191        </fieldset>
192
193    </fieldset>
194    <fieldset id="process">
195        <input class="button" type="submit" name="submit" value="<?php echo $lang['btn_save']?>" />
196    </fieldset>
197    </form>
198    <?php
199}
200
201function print_retry() {
202  global $lang;
203?>
204    <form action="" method="get">
205      <fieldset>
206        <input class="button" type="submit" value="<?php echo $lang['i_retry'];?>" />
207      </fieldset>
208    </form>
209<?php
210}
211
212/**
213 * Check validity of data
214 *
215 * @author Andreas Gohr
216 */
217function check_data(&$d){
218    global $lang;
219    global $error;
220
221    //autolowercase the username
222    $d['superuser'] = strtolower($d['superuser']);
223
224    $ok = true;
225
226    // check input
227    if(empty($d['title'])){
228        $error[] = sprintf($lang['i_badval'],$lang['i_wikiname']);
229        $ok      = false;
230    }
231    if($d['acl']){
232        if(!preg_match('/^[a-z1-9_]+$/',$d['superuser'])){
233            $error[] = sprintf($lang['i_badval'],$lang['i_superuser']);
234            $ok      = false;
235        }
236        if(empty($d['password'])){
237            $error[] = sprintf($lang['i_badval'],$lang['pass']);
238            $ok      = false;
239        }
240        if($d['confirm'] != $d['password']){
241            $error[] = sprintf($lang['i_badval'],$lang['passchk']);
242            $ok      = false;
243        }
244        if(empty($d['fullname']) || strstr($d['fullname'],':')){
245            $error[] = sprintf($lang['i_badval'],$lang['fullname']);
246            $ok      = false;
247        }
248        if(empty($d['email']) || strstr($d['email'],':') || !strstr($d['email'],'@')){
249            $error[] = sprintf($lang['i_badval'],$lang['email']);
250            $ok      = false;
251        }
252    }
253    return $ok;
254}
255
256/**
257 * Writes the data to the config files
258 *
259 * @author  Chris Smith <chris@jalakai.co.uk>
260 */
261function store_data($d){
262    global $LC;
263    $ok = true;
264    $d['policy'] = (int) $d['policy'];
265
266    // create local.php
267    $now    = date('r');
268    $output = <<<EOT
269<?php
270/**
271 * Dokuwiki's Main Configuration File - Local Settings
272 * Auto-generated by install script
273 * Date: $now
274 */
275
276EOT;
277    $output .= '$conf[\'title\'] = \''.addslashes($d['title'])."';\n";
278    $output .= '$conf[\'lang\'] = \''.addslashes($LC)."';\n";
279    if($d['acl']){
280        $output .= '$conf[\'useacl\'] = 1'.";\n";
281        $output .= "\$conf['superuser'] = '@admin';\n";
282    }
283    $ok = $ok && fileWrite(DOKU_LOCAL.'local.php',$output);
284
285
286    if ($d['acl']) {
287        // create users.auth.php
288        // --- user:MD5password:Real Name:email:groups,comma,seperated
289        $output = join(":",array($d['superuser'], md5($d['password']), $d['fullname'], $d['email'], 'admin,user'));
290        $output = @file_get_contents(DOKU_CONF.'users.auth.php.dist')."\n$output\n";
291        $ok = $ok && fileWrite(DOKU_LOCAL.'users.auth.php', $output);
292
293        // create acl.auth.php
294        $output = <<<EOT
295# acl.auth.php
296# <?php exit()?>
297# Don't modify the lines above
298#
299# Access Control Lists
300#
301# Auto-generated by install script
302# Date: $now
303
304EOT;
305        if($d['policy'] == 2){
306            $output .=  "*               @ALL          0\n";
307            $output .=  "*               @user         8\n";
308        }elseif($d['policy'] == 1){
309            $output .=  "*               @ALL          1\n";
310            $output .=  "*               @user         8\n";
311        }else{
312            $output .=  "*               @ALL          8\n";
313        }
314        $ok = $ok && fileWrite(DOKU_LOCAL.'acl.auth.php', $output);
315    }
316    return $ok;
317}
318
319/**
320 * Write the given content to a file
321 *
322 * @author  Chris Smith <chris@jalakai.co.uk>
323 */
324function fileWrite($filename, $data) {
325    global $error;
326    global $lang;
327
328    if (($fp = @fopen($filename, 'wb')) === false) {
329        $filename = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $filename);
330        $error[]  = sprintf($lang['i_writeerr'],$filename);
331        return false;
332    }
333
334    if (!empty($data)) { fwrite($fp, $data);  }
335    fclose($fp);
336    return true;
337}
338
339
340/**
341 * check installation dependent local config files and tests for a known
342 * unmodified main config file
343 *
344 * @author      Chris Smith <chris@jalakai.co.uk>
345 */
346function check_configs(){
347    global $error;
348    global $lang;
349    global $dokuwiki_hash;
350
351    $ok = true;
352
353    $config_files = array(
354        'local' => DOKU_LOCAL.'local.php',
355        'users' => DOKU_LOCAL.'users.auth.php',
356        'auth'  => DOKU_LOCAL.'acl.auth.php'
357    );
358
359
360    // main dokuwiki config file (conf/dokuwiki.php) must not have been modified
361    $installation_hash = md5(preg_replace("/(\015\012)|(\015)/","\012",
362                             @file_get_contents(DOKU_CONF.'dokuwiki.php')));
363    if (!in_array($installation_hash, $dokuwiki_hash)) {
364        $error[] = sprintf($lang['i_badhash'],$installation_hash);
365        $ok = false;
366    }
367
368    // configs shouldn't exist
369    foreach ($config_files as $file) {
370        if (@file_exists($file)) {
371            $file    = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}/', $file);
372            $error[] = sprintf($lang['i_confexists'],$file);
373            $ok      = false;
374        }
375    }
376    return $ok;
377}
378
379
380/**
381 * Check other installation dir/file permission requirements
382 *
383 * @author      Chris Smith <chris@jalakai.co.uk>
384 */
385function check_permissions(){
386    global $error;
387    global $lang;
388
389    $dirs = array(
390        'conf'      => DOKU_LOCAL,
391        'data'      => DOKU_INC.'data',
392        'pages'     => DOKU_INC.'data/pages',
393        'attic'     => DOKU_INC.'data/attic',
394        'media'     => DOKU_INC.'data/media',
395        'meta'      => DOKU_INC.'data/meta',
396        'cache'     => DOKU_INC.'data/cache',
397        'locks'     => DOKU_INC.'data/locks',
398        'index'     => DOKU_INC.'data/index',
399        'tmp'       => DOKU_INC.'data/tmp'
400    );
401
402    $ok = true;
403    foreach($dirs as $dir){
404        if(!@file_exists("$dir/.") || !@is_writable($dir)){
405            $dir     = str_replace($_SERVER['DOCUMENT_ROOT'],'{DOCUMENT_ROOT}', $dir);
406            $error[] = sprintf($lang['i_permfail'],$dir);
407            $ok      = false;
408        }
409    }
410    return $ok;
411}
412
413/**
414 * Check the availability of functions used in DokuWiki and the PHP version
415 *
416 * @author Andreas Gohr <andi@splitbrain.org>
417 */
418function check_functions(){
419    global $error;
420    global $lang;
421    $ok = true;
422
423    if(version_compare(phpversion(),'4.3.3','<')){
424        $error[] = sprintf($lang['i_phpver'],phpversion(),'4.3.3');
425        $ok = false;
426    }
427
428    $funcs = explode(' ','addslashes basename call_user_func chmod copy fgets '.
429                         'file file_exists fseek flush filesize ftell fopen '.
430                         'glob header ignore_user_abort ini_get mail mkdir '.
431                         'ob_start opendir parse_ini_file readfile realpath '.
432                         'rename rmdir serialize session_start unlink usleep '.
433                         'preg_replace file_get_contents');
434
435    if (!function_exists('mb_substr')) {
436      $funcs[] = 'utf8_encode';
437      $funcs[] = 'utf8_decode';
438    }
439
440    foreach($funcs as $func){
441        if(!function_exists($func)){
442            $error[] = sprintf($lang['i_funcna'],$func);
443            $ok = false;
444        }
445    }
446    return $ok;
447}
448
449/**
450 * Print language selection
451 *
452 * @author Andreas Gohr <andi@splitbrain.org>
453 */
454function langsel(){
455    global $lang;
456    global $LC;
457
458    $dir = DOKU_INC.'inc/lang';
459    $dh  = opendir($dir);
460    if(!$dh) return;
461
462    $langs = array();
463    while (($file = readdir($dh)) !== false) {
464        if(preg_match('/^[\._]/',$file)) continue;
465        if(is_dir($dir.'/'.$file) && @file_exists($dir.'/'.$file.'/lang.php')){
466            $langs[] = $file;
467        }
468    }
469    closedir($dh);
470    sort($langs);
471
472
473    echo '<form action="">';
474    echo $lang['i_chooselang'];
475    echo ': <select name="l" onchange="submit()">';
476    foreach($langs as $l){
477        $sel = ($l == $LC) ? 'selected="selected"' : '';
478        echo '<option value="'.$l.'" '.$sel.'>'.$l.'</option>';
479    }
480    echo '</select> ';
481    echo '<input type="submit" value="'.$lang['btn_update'].'" />';
482    echo '</form>';
483}
484
485/**
486 * Print gloabl error array
487 *
488 * @author Andreas Gohr <andi@splitbrain.org>
489 */
490function print_errors(){
491    global $error;
492    echo '<ul>';
493    foreach ($error as $err){
494        echo "<li>$err</li>";
495    }
496    echo '</ul>';
497}
498
499/**
500 * remove magic quotes recursivly
501 *
502 * @author Andreas Gohr <andi@splitbrain.org>
503 */
504function remove_magic_quotes(&$array) {
505  foreach (array_keys($array) as $key) {
506    if (is_array($array[$key])) {
507      remove_magic_quotes($array[$key]);
508    }else {
509      $array[$key] = stripslashes($array[$key]);
510    }
511  }
512}
513
514