install.php

   1 <?php
   2 /*
   3  *  Jirafeau, your web file repository
   4  *  Copyright (C) 2008  Julien "axolotl" BERNARD <axolotl@magieeternelle.org>
   5  *  Copyright (C) 2015  Nicola Spanti (RyDroid) <dev@nicola-spanti.info>
   6  *
   7  *  This program is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU Affero General Public License as
   9  *  published by the Free Software Foundation, either version 3 of the
  10  *  License, or (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU Affero General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU Affero General Public License
  18  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  */
  20 define ('JIRAFEAU_ROOT', dirname (__FILE__) . '/');
  21 define ('NL', "\n");
  22 define ('QUOTE', "'");
  23
  24 define ('JIRAFEAU_CFG', JIRAFEAU_ROOT.'lib/config.local.php');
  25 define ('JIRAFEAU_VAR_RAND_LENGTH', 15);
  26
  27 require (JIRAFEAU_ROOT . 'lib/functions.php');
  28 require (JIRAFEAU_ROOT . 'lib/lang.php');
  29 require (JIRAFEAU_ROOT . 'lib/config.original.php');
  30
  31 function
  32 jirafeau_quoted ($str)
  33 {
  34     return QUOTE . str_replace (QUOTE, "\'", $str) . QUOTE;
  35 }
  36
  37 function
  38 jirafeau_export_cfg ($cfg)
  39 {
  40     $handle = fopen (JIRAFEAU_CFG, 'w');
  41     fwrite ($handle, '<?php' . NL);
  42     fwrite ($handle,
  43             '/* ' .
  44             t ('This file was generated by the install process. ' .
  45                'You can edit it. Please see config.original.php to understand the ' .
  46                'configuration items.') . ' */' . NL);
  47     foreach ($cfg as $key => $item)
  48     {
  49         fwrite ($handle, '$cfg[' . jirafeau_quoted ($key) . '] = ');
  50         if (is_bool ($item))
  51             fwrite ($handle, ($item ? 'true' : 'false'));
  52         else if (is_string ($item))
  53             fwrite ($handle, jirafeau_quoted ($item));
  54         else if (is_int ($item))
  55             fwrite ($handle, $item);
  56         else if (is_array ($item))
  57             fwrite ($handle, str_replace(array("\n", "\r"), "",
  58                                          var_export ($item, true)));
  59         else
  60             fwrite ($handle, 'null');
  61         fwrite ($handle, ';'.NL);
  62     }
  63     /* No newline at the end of the file to be able to send headers. */
  64     fwrite ($handle, '?>');
  65     fclose ($handle);
  66 }
  67
  68 function
  69 jirafeau_mkdir ($path)
  70 {
  71     return !(!file_exists ($path) && !@mkdir ($path, 0755));
  72 }
  73
  74 /**
  75  * Returns true whether the path is writable or we manage to make it
  76  * so, which essentially is the same thing.
  77  * @param $path is the file or directory to be tested.
  78  * @return true if $path is writable.
  79  */
  80 function
  81 jirafeau_is_writable ($path)
  82 {
  83     /* "@" gets rid of error messages. */
  84     return is_writable ($path) || @chmod ($path, 0777);
  85 }
  86
  87 function
  88 jirafeau_check_var_dir ($path)
  89 {
  90     $mkdir_str1 = t('The following directory could not be created') . ':';
  91     $mkdir_str2 = t('You should create this directory manually.');
  92     $write_str1 = t('The following directory is not writable') . ':';
  93     $write_str2 = t('You should give the write permission to the web server on ' .
  94                     'this directory.');
  95     $solution_str = t('Here is a solution') . ':';
  96
  97     if (!jirafeau_mkdir ($path) || !jirafeau_is_writable ($path))
  98         return array ('has_error' => true,
  99                       'why' => $mkdir_str1 . '<br /><code>' .
 100                                $path . '</code><br />' . $solution_str .
 101                                '<br />' . $mkdir_str2);
 102
 103     foreach (array ('files', 'links', 'async', 'alias') as $subdir)
 104     {
 105         $subpath = $path.$subdir;
 106
 107         if (!jirafeau_mkdir ($subpath) || !jirafeau_is_writable ($subpath))
 108             return array ('has_error' => true,
 109                           'why' => $mkdir_str1 . '<br /><code>' .
 110                                    $subpath . '</code><br />' . $solution_str .
 111                                    '<br />' . $mkdir_str2);
 112     }
 113
 114     return array ('has_error' => false, 'why' => '');
 115 }
 116
 117 function
 118 jirafeau_add_ending_slash ($path)
 119 {
 120     return $path . ((substr ($path, -1) == '/') ? '' : '/');
 121 }
 122
 123 if ($cfg['installation_done'] === true)
 124 {
 125     header('Location: index.php');
 126     exit;
 127 }
 128
 129 if (!file_exists (JIRAFEAU_CFG))
 130 {
 131     /* We try to create an empty one. */
 132     if (!@touch (JIRAFEAU_CFG))
 133     {
 134         require (JIRAFEAU_ROOT . 'lib/template/header.php');
 135         echo '<div class="error"><p>' .
 136              t('The local configuration file could not be created. Create a ' .
 137                '<code>lib/config.local.php</code> file and give the write ' .
 138                'permission to the web server (preferred solution), or give the ' .
 139                'write permission to the web server on the <code>lib</code> ' .
 140                'directory.') .
 141              '</p></div>';
 142         require (JIRAFEAU_ROOT . 'lib/template/footer.php');
 143         exit;
 144     }
 145 }
 146
 147 if (!is_writable (JIRAFEAU_CFG) && !@chmod (JIRAFEAU_CFG, '0666'))
 148 {
 149     require (JIRAFEAU_ROOT . 'lib/template/header.php');
 150     echo '<div class="error"><p>' .
 151          t('The local configuration is not writable by the web server. ' .
 152            'Give the write permission to the web server on the ' .
 153            '<code>lib/config.local.php</code> file.') .
 154          '</p></div>';
 155     require (JIRAFEAU_ROOT . 'lib/template/footer.php');
 156     exit;
 157 }
 158
 159 if (isset ($_POST['step']) && isset ($_POST['next']))
 160 {
 161     switch ($_POST['step'])
 162     {
 163     case 1:
 164         $cfg['lang'] = $_POST['lang'];
 165         jirafeau_export_cfg ($cfg);
 166         break;
 167
 168     case 2:
 169         $cfg['admin_password'] = hash('sha256', $_POST['admin_password']);
 170         jirafeau_export_cfg ($cfg);
 171         break;
 172
 173     case 3:
 174         $cfg['web_root'] = jirafeau_add_ending_slash ($_POST['web_root']);
 175         $cfg['var_root'] = jirafeau_add_ending_slash ($_POST['var_root']);
 176         jirafeau_export_cfg ($cfg);
 177         break;
 178
 179     case 4:
 180         $cfg['web_root'] = jirafeau_add_ending_slash ($_POST['web_root']);
 181         $cfg['var_root'] = jirafeau_add_ending_slash ($_POST['var_root']);
 182         jirafeau_export_cfg ($cfg);
 183         break;
 184     }
 185
 186 }
 187
 188 require (JIRAFEAU_ROOT . 'lib/settings.php');
 189 require (JIRAFEAU_ROOT . 'lib/template/header.php');
 190
 191 $current = 1;
 192 if (isset ($_POST['next']))
 193     $current = $_POST['step'] + 1;
 194 else if (isset ($_POST['previous']))
 195     $current = $_POST['step'] - 1;
 196 else if (isset ($_POST['retry']))
 197     $current = $_POST['step'];
 198
 199 switch ($current)
 200 {
 201 case 1:
 202 default:
 203     ?><h2><?php printf (t('Installation of Jirafeau') . ' - ' . t('step') .
 204     ' %d ' . t('out of') . ' %d', 1, 4);
 205     ?></h2> <div id = "install"> <form action =
 206         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 207         "hidden" name = "jirafeau" value =
 208         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 209         "step" value = "1" /><fieldset> <legend><?php echo t('Language');
 210     ?></legend> <table> <tr> <td class = "info" colspan =
 211         "2"><?php echo
 212         t
 213         ('Jirafeau is internationalised. Choose a specific langage or ' .
 214          'choose Automatic (langage is provided by user\'s browser).');
 215     ?></td> </tr> <tr> <td class = "label"><label for = "select_lang"
 216        ><?php echo t('Choose the default language') . ':';
 217     ?></label></td>
 218         <td class = "field">
 219         <select name = "lang" id = "select_lang">
 220         <?php foreach ($languages_list as $key => $item)
 221     {
 222         echo '<option value="'.$key.'"'.($key ==
 223                       $cfg['lang'] ? ' selected="selected"'
 224                       : '').'>'.$item.'</option>'.NL;
 225     }
 226     ?></select>
 227         </td>
 228         </tr>
 229         <tr class = "nav">
 230         <td></td>
 231         <td class = "nav next"><input type = "submit" name = "next" value =
 232         "<?php echo t('Next step'); ?>" /></td> </tr> </table>
 233         </fieldset> </form> </div> <?php
 234 break;
 235
 236 case 2:
 237     ?><h2><?php printf (t('Installation of Jirafeau') . ' - ' . t('step') .
 238     ' %d ' . t('out of') . ' %d', 2, 4);
 239     ?></h2> <div id = "install"> <form action =
 240         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 241         "hidden" name = "jirafeau" value =
 242         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 243         "step" value = "2" /><fieldset> <legend><?php
 244         echo t('Administration password');
 245     ?></legend> <table> <tr> <td class = "info" colspan =
 246         "2"><?php echo
 247         t
 248         ('Jirafeau has an administration interface (through admin.php). ' .
 249         'You can set a password to access the interface or leave it empty ' .
 250         'to disable the interface.');
 251     ?></td> </tr> <tr> <td class = "label"><label for = "select_password"
 252        ><?php echo t('Administration password') . ':';
 253     ?></label></td>
 254         <td class = "field"><input type = "password" name = "admin_password"
 255         id = "admin_password" size = "40" /></td>
 256         </tr>
 257         <tr class = "nav">
 258         <td></td>
 259         <td class = "nav next">
 260         <input type = "submit"
 261         class = "navleft" name = "previous" value = "<?php
 262         echo t('Previous step'); ?>" />
 263         <input type = "submit" name = "next" value =
 264         "<?php echo t('Next step'); ?>" /></td> </tr> </table>
 265         </fieldset> </form> </div> <?php
 266 break;
 267
 268 case 3:
 269     ?><h2><?php printf (t('Installation of Jirafeau') . ' - ' . t('step') .
 270     ' %d ' . t('out of') . ' %d', 3, 4);
 271     ?></h2> <div id = "install"> <form action =
 272         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 273         "hidden" name = "jirafeau" value =
 274         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 275         "step" value =
 276         "3" /><fieldset> <legend><?php echo t('Information');
 277     ?></legend> <table> <tr> <td class = "info" colspan =
 278         "2"><?php echo
 279         t
 280         ('The base address of Jirafeau is the first part of the URL, until ' .
 281          '(and including) the last slash. For example: ' .
 282          '"http://www.example.com/". Do not forget the trailing slash!');
 283     ?></td> </tr> <tr> <td class = "label"><label for = "input_web_root"
 284        ><?php echo t('Base address') . ':';
 285     ?></label></td>
 286         <td class = "field"><input type = "text" name = "web_root"
 287         id = "input_web_root" value = "<?php
 288         echo (empty($cfg['web_root']) ?
 289           'http://' . $_SERVER['HTTP_HOST'] . str_replace(basename(__FILE__),
 290           '', $_SERVER['REQUEST_URI']) : $cfg['web_root']);
 291       ?>" size = "40" /></td>
 292         </tr> <tr> <td class = "info" colspan = "2"><?php
 293         echo t('The data directory is where your files and information about' .
 294         ' your files will be stored. You should put it outside your web ' .
 295         'site, or at least restrict the access to this directory. Do not ' .
 296         'forget the trailing slash!');
 297     ?></td> </tr> <tr> <td class = "label"><label for = "input_var_root"
 298        ><?php echo t('Data directory') . ':';
 299     ?></label></td>
 300         <td class = "field"><input type = "text" name = "var_root"
 301         id = "input_var_root" value = "<?php
 302         if(empty($cfg['var_root'])) {
 303           $alphanum = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' .
 304           'abcdefghijklmnopqrstuvwxyz' . '0123456789';
 305           $len_alphanum = strlen($alphanum);
 306           $var = 'var-';
 307           for($i = 0; $i <JIRAFEAU_VAR_RAND_LENGTH; $i++) {
 308             $var .= substr($alphanum, mt_rand(0, $len_alphanum - 1), 1);
 309           }
 310           echo JIRAFEAU_ROOT . $var . '/';
 311         }
 312         else
 313           echo $cfg['var_root'];
 314       ?>" size = "40" /></td>
 315         </tr> <tr> <td colspan = "2"><input type = "submit"
 316         class = "navleft" name = "previous" value = "<?php
 317         echo t('Previous step'); ?>" />
 318          <input type = "submit" class = "navright" name = "next" value = "
 319         <?php echo t('Next step'); ?>" />
 320         </td> </tr> </table> </fieldset>
 321         </form> </div> <?php
 322 break;
 323
 324 case 4:
 325     ?><h2><?php printf (t('Installation of Jirafeau') . ' - ' . t('step') .
 326     ' %d ' . t('out of') . ' %d', 4, 4);
 327     ?></h2> <div id = "install"> <form action =
 328         "<?php echo basename(__FILE__); ?>" method = "post"> <input type =
 329         "hidden" name = "jirafeau" value =
 330         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 331         "step" value =
 332         "4" /><fieldset> <legend><?php echo t('Finalisation');
 333     ?></legend> <table> <tr> <td class = "info" colspan =
 334         "2"><?php echo
 335         t ('Jirafeau is setting the website according to the configuration ' .
 336            'you provided.');
 337     ?></td> </tr> <tr> <td class = "nav previous"><input type =
 338         "submit" name = "previous" value =
 339         "
 340     <?php
 341     echo t('Previous step');
 342     ?>" /></td> <td></td> </tr>
 343         </table> </fieldset> </form> </div>
 344     <?php
 345     $err = jirafeau_check_var_dir ($cfg['var_root']);
 346     if ($err['has_error'])
 347     {
 348         echo '<div class="error"><p>'.$err['why'].'<br />'.NL;
 349         ?><form action = "<?php echo basename(__FILE__); ?>" method =
 350             "post"> <input type = "hidden" name = "jirafeau" value =
 351             "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 352             "step" value = "4" /><input type = "submit" name =
 353             "retry" value =
 354             "<?php echo t('Retry this step'); ?>" /></form>
 355             <?php echo '</p></div>';
 356     }
 357     else
 358     {
 359         $cfg['installation_done'] = true;
 360         jirafeau_export_cfg ($cfg);
 361         echo '<div class="message"><p>' .
 362              t('Jirafeau is now fully operational') . ':' .
 363              '<br /><a href="' . $cfg['web_root'] . '">' .
 364              $cfg['web_root'].'</a></p></div>';
 365     }
 366 break;
 367 }
 368
 369 require (JIRAFEAU_ROOT . 'lib/template/footer.php');
 370 ?>