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