install.php

   1 <?php
   2 /*
   3  *  Jirafeau, your web file repository
   4  *  Copyright (C) 2008  Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
   5  *
   6  *  This program is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU Affero General Public License as
   8  *  published by the Free Software Foundation, either version 3 of the
   9  *  License, or (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU Affero General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Affero General Public License
  17  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 define ('JIRAFEAU_ROOT', dirname (__FILE__) . '/');
  20 define ('NL', "\n");
  21 define ('QUOTE', "'");
  22
  23 define ('JIRAFEAU_CFG', JIRAFEAU_ROOT.'lib/config.local.php');
  24 define ('JIRAFEAU_VAR_RAND_LENGTH', 15);
  25
  26 require (JIRAFEAU_ROOT . 'lib/lang.php');
  27 require (JIRAFEAU_ROOT . 'lib/config.php');
  28
  29 function
  30 jirafeau_quoted ($str)
  31 {
  32     return QUOTE . str_replace (QUOTE, "\'", $str) . QUOTE;
  33 }
  34
  35 function
  36 jirafeau_export_cfg ($cfg)
  37 {
  38     $handle = fopen (JIRAFEAU_CFG, 'w');
  39     fwrite ($handle, '<?php' . NL);
  40     fwrite ($handle,
  41             '/* ' .
  42             _ ('This file was generated by the install process. ' .
  43                'You can edit it. Please see config.php to understand the ' .
  44                'configuration items.') . ' */' . NL);
  45     foreach ($cfg as $key => $item)
  46     {
  47         fwrite ($handle, '$cfg[' . jirafeau_quoted ($key) . '] = ');
  48         if (is_bool ($item))
  49             fwrite ($handle, ($item ? 'true' : 'false'));
  50         else if (is_string ($item))
  51             fwrite ($handle, jirafeau_quoted ($item));
  52         else
  53             fwrite ($handle, 'null');
  54         fwrite ($handle, ';'.NL);
  55     }
  56     /* No newline at the end of the file to be able to send headers. */
  57     fwrite ($handle, '?>');
  58     fclose ($handle);
  59 }
  60
  61 function
  62 jirafeau_mkdir ($path)
  63 {
  64     if (!file_exists ($path) &&  !@mkdir ($path, 0755))
  65         return false;
  66     return true;
  67 }
  68
  69 /**
  70  * Returns true whether the path is writable or we manage to make it
  71  * so, which essentially is the same thing.
  72  * @param $path is the file or directory to be tested.
  73  * @return true if $path is writable.
  74  */
  75 function
  76 jirafeau_is_writable ($path)
  77 {
  78     /* "@" gets rid of error messages. */
  79     return is_writable ($path) || @chmod ($path, 0777);
  80 }
  81
  82 function
  83 jirafeau_check_var_dir ($path)
  84 {
  85     $mkdir_str1 = _('The following directory could not be created:');
  86     $mkdir_str2 = _('You should create this directory by hand.');
  87     $write_str1 = _('The following directory is not writable:');
  88     $write_str2 = _('You should give the write right to the web server on ' .
  89                     'this directory.');
  90     $solution_str = _('Here is a solution:');
  91
  92     if (!jirafeau_mkdir ($path) || !jirafeau_is_writable ($path))
  93         return array ('has_error' => true,
  94                       'why' => $mkdir_str1 . '<br /><code>' .
  95                                $path . '</code><br />' . $solution_str .
  96                                '<br />' . $mkdir_str2);
  97
  98     foreach (array ('files', 'links') as $subdir)
  99     {
 100         $subpath = $path.$subdir;
 101
 102         if (!jirafeau_mkdir ($subpath) || !jirafeau_is_writable ($subpath))
 103             return array ('has_error' => true,
 104                           'why' => $mkdir_str1 . '<br /><code>' .
 105                                    $subpath . '</code><br />' . $solution_str .
 106                                    '<br />' . $mkdir_str2);
 107     }
 108
 109     return array ('has_error' => false, 'why' => '');
 110 }
 111
 112 function
 113 jirafeau_add_ending_slash ($path)
 114 {
 115     return $path . ((substr ($path, -1) == '/') ? '' : '/');
 116 }
 117
 118 if (!file_exists (JIRAFEAU_CFG))
 119 {
 120     /* We try to create an empty one. */
 121     if (!@touch (JIRAFEAU_CFG))
 122     {
 123         require (JIRAFEAU_ROOT . 'lib/template/header.php');
 124         echo '<div class="error"><p>' .
 125              _('The local configuration file could not be created. Create a ' .
 126                '<code>lib/config.local.php</code> file and give the write ' .
 127                'right to the web server (preferred solution), or give the ' .
 128                'write right to the web server on the <code>lib</code> ' .
 129                'directory.') .
 130              '</p></div>';
 131         require (JIRAFEAU_ROOT . 'lib/template/footer.php');
 132         exit;
 133     }
 134 }
 135
 136 if (!is_writable (JIRAFEAU_CFG) && !@chmod (JIRAFEAU_CFG, '0666'))
 137 {
 138     require (JIRAFEAU_ROOT . 'lib/template/header.php');
 139     echo '<div class="error"><p>' .
 140          _('The local configuration is not writable by the web server. ' .
 141            'Give the write right to the web server on the ' .
 142            '<code>lib/config.local.php</code> file.') .
 143          '</p></div>';
 144     require (JIRAFEAU_ROOT . 'lib/template/footer.php');
 145     exit;
 146 }
 147
 148 if (isset ($_POST['step']) && isset ($_POST['next']))
 149 {
 150     switch ($_POST['step'])
 151     {
 152     case 1:
 153         $cfg['lang'] = $_POST['lang'];
 154         jirafeau_export_cfg ($cfg);
 155         break;
 156
 157     case 2:
 158         $cfg['web_root'] = jirafeau_add_ending_slash ($_POST['web_root']);
 159         $cfg['var_root'] = jirafeau_add_ending_slash ($_POST['var_root']);
 160         jirafeau_export_cfg ($cfg);
 161         break;
 162
 163     default: break;
 164     }
 165
 166 }
 167
 168 require (JIRAFEAU_ROOT . 'lib/settings.php');
 169 require (JIRAFEAU_ROOT . 'lib/template/header.php');
 170
 171 $current = 1;
 172 if (isset ($_POST['next']))
 173     $current = $_POST['step'] + 1;
 174 else if (isset ($_POST['previous']))
 175     $current = $_POST['step'] - 1;
 176 else if (isset ($_POST['retry']))
 177     $current = $_POST['step'];
 178
 179 switch ($current)
 180 {
 181 case 3:
 182     ?><h2><?php printf (_('Installation of Jirafeau - step %d out of %d'),
 183                          3, 3);
 184     ?></h2> <div id = "install"> <form action =
 185         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 186         "hidden" name = "jirafeau" value =
 187         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 188         "step" value =
 189         "3" /><fieldset> <legend><?php echo _('Finalisation');
 190     ?></legend> <table> <tr> <td class = "info" colspan =
 191         "2"><?php echo
 192         _
 193         ('Jirafeau is setting the website according to the configuration you provided.');
 194     ?></td> </tr> <tr> <td class = "nav previous"><input type =
 195         "submit" name = "previous" value =
 196         "
 197     <?php
 198     echo _('Previous step');
 199     ?>" /></td> <td></td> </tr>
 200         </table> </fieldset> </form> </div>
 201     <?php
 202     $err = jirafeau_check_var_dir ($cfg['var_root']);
 203     if ($err['has_error'])
 204     {
 205         echo '<div class="error"><p>'.$err['why'].'<br />'.NL;
 206         ?><form action = "<?php echo basename(__FILE__); ?>" method =
 207             "post"> <input type = "hidden" name = "jirafeau" value =
 208             "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 209             "step" value = "3" /><input type = "submit" name =
 210             "retry" value =
 211             "<?php echo _('Retry this step'); ?>" /></form>
 212             <?php echo '</p></div>';
 213     }
 214     else
 215     {
 216         echo '<div class="message"><p>' .
 217              _('Your website is now fully operational:') .
 218              '<br /><a href="' . $cfg['web_root'] . '">' .
 219              $cfg['web_root'].'</a></p></div>';
 220     }
 221     break;
 222
 223 case 2:
 224     ?><h2><?php printf (_('Installation of Jirafeau - step %d out of %d'),
 225                             2, 3);
 226     ?></h2> <div id = "install"> <form action =
 227         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 228         "hidden" name = "jirafeau" value =
 229         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 230         "step" value =
 231         "2" /><fieldset> <legend><?php echo _('Information');
 232     ?></legend> <table> <tr> <td class = "info" colspan =
 233         "2"><?php echo
 234         _
 235         ('The base address of Jirafeau is the first part of the URL, until (and including) the last slash. For example: "http://www.example.com/". Do not forget the ending slash!');
 236     ?></td> </tr> <tr> <td class = "label"><label for = "input_web_root"
 237        ><?php echo _('Base address:');
 238     ?></label></td>
 239         <td class = "field"><input type = "text" name = "web_root" id = "input_web_root" value = "<?php
 240         echo (empty($cfg['web_root']) ?
 241           'http://' . $_SERVER['HTTP_HOST'] . str_replace(basename(__FILE__), '', $_SERVER['REQUEST_URI']) :
 242           $cfg['web_root']);
 243       ?>" size = "40" /></td>
 244         </tr> <tr> <td class = "info" colspan = "2"><?php echo _('The data directory is where your files and information about your files will be stored. You should put it outside your web site, or at least restrict the access of this directory. Do not forget the ending slash!');
 245     ?></td> </tr> <tr> <td class = "label"><label for = "input_var_root"
 246        ><?php echo _('Data directory:');
 247     ?></label></td>
 248         <td class = "field"><input type = "text" name = "var_root" id = "input_var_root" value = "<?php
 249         if(empty($cfg['var_root'])) {
 250           $alphanum = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
 251           $len_alphanum = strlen($alphanum);
 252           $var = 'var-';
 253           for($i = 0; $i <JIRAFEAU_VAR_RAND_LENGTH; $i++) {
 254             $var .= substr($alphanum, mt_rand(0, $len_alphanum - 1), 1);
 255           }
 256           echo JIRAFEAU_ROOT . $var . '/';
 257         } else {
 258           echo $cfg['var_root'];
 259         }
 260       ?>" size = "40" /></td>
 261         </tr> <tr> <td colspan = "2"> <input type = "submit" class = "navright" name = "next" value = "<?php echo _('Next step'); ?>" /><input type = "submit" class = "navleft" name = "previous" value = "<?php echo _('Previous step'); ?>" /></td> </tr> </table> </fieldset> </form> </div> <?php break;
 262
 263 case 1:
 264 default:
 265     $languages = array ('' => 'English', 'fr_FR.UTF-8' => 'Français');
 266     ?><h2><?php printf (_('Installation of Jirafeau - step %d out of %d'),
 267                             1, 3);
 268     ?></h2> <div id = "install"> <form action =
 269         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 270         "hidden" name = "jirafeau" value =
 271         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 272         "step" value = "1" /><fieldset> <legend><?php echo _('Language');
 273     ?></legend> <table> <tr> <td class = "info" colspan =
 274         "2"><?php echo
 275         _
 276         ('The installation of Jirafeau is internationalised, so you can have it in your own language if the translation is available.');
 277     ?></td> </tr> <tr> <td class = "label"><label for = "select_lang"
 278        ><?php echo _('Choose your language:');
 279     ?></label></td>
 280         <td class = "field">
 281         <select name = "lang" id = "select_lang">
 282         <?php foreach ($languages as $key => $item)
 283     {
 284         echo '<option value="'.$key.'"'.($key ==
 285                                          $cfg['lang'] ? ' selected="selected"'
 286                                          : '').'>'.$item.'</option>'.NL;
 287     }
 288     ?></select>
 289         </td>
 290         </tr>
 291         <tr class = "nav">
 292         <td></td>
 293         <td class = "nav next"><input type = "submit" name = "next" value =
 294         "<?php echo _('Next step'); ?>" /></td> </tr> </table>
 295         </fieldset> </form> </div> <?php break;
 296 }
 297
 298
 299 require (JIRAFEAU_ROOT . 'lib/template/footer.php');
 300 ?>