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
  22 define('JIRAFEAU_CFG', JIRAFEAU_ROOT . 'lib/config.local.php');
  23 define('JIRAFEAU_VAR_RAND_LENGTH', 15);
  24
  25 require(JIRAFEAU_ROOT . 'lib/settings.php');
  26 require(JIRAFEAU_ROOT . 'lib/functions.php');
  27 require(JIRAFEAU_ROOT . 'lib/lang.php');
  28
  29 function jirafeau_export_cfg($cfg)
  30 {
  31     $content = '<?php' . NL;
  32     $content .= '/* This file was generated by the install process. ' .
  33                'You can edit it. Please see config.original.php to understand the ' .
  34                'configuration items. */' . NL;
  35     $content .= '$cfg = ' . var_export($cfg, true) . ';';
  36
  37     $fileWrite = file_put_contents(JIRAFEAU_CFG, $content);
  38
  39     if (false === $fileWrite) {
  40         jirafeau_fatal_error(t('Can not write local configuration file'));
  41     }
  42 }
  43
  44 function jirafeau_mkdir($path)
  45 {
  46     return !(!file_exists($path) && !@mkdir($path, 0755));
  47 }
  48
  49 /**
  50  * Returns true whether the path is writable or we manage to make it
  51  * so, which essentially is the same thing.
  52  * @param $path is the file or directory to be tested.
  53  * @return true if $path is writable.
  54  */
  55 function jirafeau_is_writable($path)
  56 {
  57     /* "@" gets rid of error messages. */
  58     return is_writable($path) || @chmod($path, 0777);
  59 }
  60
  61 function jirafeau_check_var_dir($path)
  62 {
  63     $mkdir_str1 = t('CANNOT_CREATE_DIR') . ':';
  64     $mkdir_str2 = t('MANUAL_CREATE');
  65     $write_str1 = t('DIR_NOT_W') . ':';
  66     $write_str2 = t('You should give the write permission to the web server on ' .
  67                     'this directory.');
  68     $solution_str = t('HERE_SOLUTION') . ':';
  69
  70     if (!jirafeau_mkdir($path) || !jirafeau_is_writable($path)) {
  71         return array('has_error' => true,
  72                       'why' => $mkdir_str1 . '<br /><code>' .
  73                                $path . '</code><br />' . $solution_str .
  74                                '<br />' . $mkdir_str2);
  75     }
  76
  77     foreach (array('files', 'links', 'async') as $subdir) {
  78         $subpath = $path.$subdir;
  79
  80         if (!jirafeau_mkdir($subpath) || !jirafeau_is_writable($subpath)) {
  81             return array('has_error' => true,
  82                           'why' => $mkdir_str1 . '<br /><code>' .
  83                                    $subpath . '</code><br />' . $solution_str .
  84                                    '<br />' . $mkdir_str2);
  85         }
  86     }
  87
  88     return array('has_error' => false, 'why' => '');
  89 }
  90
  91 function jirafeau_add_ending_slash($path)
  92 {
  93     return $path . ((substr($path, -1) == '/') ? '' : '/');
  94 }
  95
  96 /**
  97  * Check installation
  98  **/
  99
 100 // Is the installation process done already?
 101 // Then there is nothing to do here → redirect to the main page.
 102 if ($cfg['installation_done'] === true) {
 103     header('Location: index.php');
 104     exit;
 105 }
 106
 107 /**
 108  * Prepare installation process
 109  **/
 110
 111 require(JIRAFEAU_ROOT . 'lib/template/header.php');
 112
 113 // does the local configuration file exist?
 114 if (!file_exists(JIRAFEAU_CFG)) {
 115     // show an error if it is not possible to create the file
 116     if (!@touch(JIRAFEAU_CFG)) {
 117         jirafeau_fatal_error(
 118             t('The local configuration file could not be created. Create a ' .
 119                '<code>lib/config.local.php</code> file and give the write ' .
 120                'permission to the web server (preferred solution), or give the ' .
 121                'write permission to the web server on the <code>lib</code> ' .
 122                'directory.')
 123         );
 124     }
 125 }
 126
 127 // is the local configuration writable?
 128 if (!is_writable(JIRAFEAU_CFG) && !@chmod(JIRAFEAU_CFG, '0666')) {
 129     jirafeau_fatal_error(
 130         t('The local configuration is not writable by the web server. ' .
 131             'Give the write permission to the web server on the ' .
 132             '<code>lib/config.local.php</code> file.')
 133     );
 134 }
 135
 136 /**
 137  * Run trough each installation step
 138  **/
 139
 140 if (isset($_POST['step']) && isset($_POST['next'])) {
 141     switch ($_POST['step']) {
 142     case 1:
 143         if (strlen($_POST['admin_password'])) {
 144             $cfg['admin_password'] = hash('sha256', $_POST['admin_password']);
 145         } else {
 146             $cfg['admin_password'] = '';
 147         }
 148         jirafeau_export_cfg($cfg);
 149         break;
 150
 151     case 2:
 152         $cfg['web_root'] = jirafeau_add_ending_slash($_POST['web_root']);
 153         $cfg['var_root'] = jirafeau_add_ending_slash($_POST['var_root']);
 154         jirafeau_export_cfg($cfg);
 155         break;
 156
 157     case 3:
 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 }
 164
 165 $current = 1;
 166 if (isset($_POST['next'])) {
 167     $current = $_POST['step'] + 1;
 168 } elseif (isset($_POST['previous'])) {
 169     $current = $_POST['step'] - 1;
 170 } elseif (isset($_POST['retry'])) {
 171     $current = $_POST['step'];
 172 }
 173
 174 switch ($current) {
 175 case 1:
 176 default:
 177     ?><h2><?php printf(t('JI_INSTALL') . ' - ' . t('STEP') .
 178     ' %d ' . t('OUT_OF') . ' %d', 1, 3);
 179     ?></h2> <div id = "install"> <form method="post"> <input type =
 180         "hidden" name = "jirafeau" value =
 181         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 182         "step" value = "1" /><fieldset> <legend><?php
 183         echo t('ADMIN_PSW');
 184     ?></legend> <table> <tr> <td class = "info" colspan =
 185         "2"><?php echo t('ADMIN_INTERFACE_INFO');
 186     ?></td> </tr> <tr> <td class = "label"><label for = "select_password"
 187        ><?php echo t('ADMIN_PSW') . ':';
 188     ?></label></td>
 189         <td class = "field"><input type = "password" name = "admin_password"
 190         id = "admin_password" size = "40" /></td>
 191         </tr>
 192         <tr class = "nav">
 193         <td></td>
 194         <td class = "nav next">
 195         <input type = "submit"
 196         class = "navleft" name = "previous" value = "<?php
 197         echo t('PREV_STEP'); ?>" />
 198         <input type = "submit" name = "next" value =
 199         "<?php echo t('NEXT_STEP'); ?>" /></td> </tr> </table>
 200         </fieldset> </form> </div> <?php
 201 break;
 202
 203 case 2:
 204     ?><h2><?php printf(t('JI_INSTALL') . ' - ' . t('STEP') .
 205     ' %d ' . t('OUT_OF') . ' %d', 2, 3);
 206     ?></h2> <div id = "install"> <form method="post"> <input type =
 207         "hidden" name = "jirafeau" value =
 208         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 209         "step" value =
 210         "2" /><fieldset> <legend><?php echo t('INFO');
 211     ?></legend> <table> <tr> <td class = "info" colspan =
 212         "2"><?php echo t('BASE_ADDR_INFO');
 213     ?></td> </tr> <tr> <td class = "label"><label for = "input_web_root"
 214        ><?php echo t('BASE_ADDR') . ':';
 215     ?></label></td>
 216         <td class = "field"><input type = "text" name = "web_root"
 217         id = "input_web_root" value = "<?php
 218         echo(empty($cfg['web_root']) ?
 219           $_SERVER['HTTP_HOST'] . str_replace(
 220               basename(__FILE__),
 221               '',
 222               $_SERVER['REQUEST_URI']
 223           ) : $cfg['web_root']);
 224       ?>" size = "40" /></td>
 225         </tr> <tr> <td class = "info" colspan = "2"><?php
 226         echo t('DATA_DIR_EXPLAINATION');
 227     ?></td> </tr> <tr> <td class = "label"><label for = "input_var_root"
 228        ><?php echo t('DATA_DIR') . ':';
 229     ?></label></td>
 230         <td class = "field"><input type = "text" name = "var_root"
 231         id = "input_var_root" value = "<?php
 232         if (empty($cfg['var_root'])) {
 233             $alphanum = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' .
 234           'abcdefghijklmnopqrstuvwxyz' . '0123456789';
 235             $len_alphanum = strlen($alphanum);
 236             $var = 'var-';
 237             for ($i = 0; $i <JIRAFEAU_VAR_RAND_LENGTH; $i++) {
 238                 $var .= substr($alphanum, mt_rand(0, $len_alphanum - 1), 1);
 239             }
 240             echo JIRAFEAU_ROOT . $var . '/';
 241         } else {
 242             echo $cfg['var_root'];
 243         }
 244       ?>" size = "40" /></td>
 245         </tr> <tr> <td colspan = "2"><input type = "submit"
 246         class = "navleft" name = "previous" value = "<?php
 247         echo t('PREV_STEP'); ?>" />
 248          <input type = "submit" class = "navright" name = "next" value =
 249         "<?php echo t('NEXT_STEP'); ?>" />
 250         </td> </tr> </table> </fieldset>
 251         </form> </div> <?php
 252 break;
 253
 254 case 3:
 255     ?><h2><?php printf(t('JI_INSTALL') . ' - ' . t('STEP') .
 256     ' %d ' . t('OUT_OF') . ' %d', 3, 3);
 257     ?></h2> <div id = "install"> <form method="post"> <input type =
 258         "hidden" name = "jirafeau" value =
 259         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 260         "step" value =
 261         "3" /><fieldset> <legend><?php echo t('FINALIZATION');
 262     ?></legend> <table> <tr> <td class = "info" colspan =
 263         "2"><?php echo t('SETTING_UP');
 264     ?></td> </tr> <tr> <td class = "nav previous"><input type =
 265         "submit" name = "previous" value = " <?php echo t('PREV_STEP');
 266     ?>" /></td> <td></td> </tr>
 267         </table> </fieldset> </form> </div>
 268     <?php
 269     $err = jirafeau_check_var_dir($cfg['var_root']);
 270     if ($err['has_error']) {
 271         echo '<div class="error"><p>'.$err['why'].'<br />'.NL; ?><form method="post"> <input type = "hidden" name = "jirafeau" value =
 272             "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 273             "step" value = "3" /><input type = "submit" name =
 274             "retry" value =
 275             "<?php echo t('RETRY_STEP'); ?>" /></form>
 276             <?php echo '</p></div>';
 277     } else {
 278         $cfg['installation_done'] = true;
 279         jirafeau_export_cfg($cfg);
 280         echo '<div class="message"><p>' .
 281              t('JI_FONCTIONAL') . ':' .
 282              '<br /><a href="./">' .
 283              $cfg['web_root'].'</a></p></div>';
 284     }
 285 break;
 286 }
 287
 288 require(JIRAFEAU_ROOT . 'lib/template/footer.php');