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 /**
  30  * Prepend used functions
  31  **/
  32
  33 function jirafeau_quoted($str)
  34 {
  35     return QUOTE . str_replace(QUOTE, "\'", $str) . QUOTE;
  36 }
  37
  38 function jirafeau_export_cfg($cfg)
  39 {
  40     $content = '<?php' . NL;
  41     $content .= '/* ' . t('This file was generated by the install process. ' .
  42                'You can edit it. Please see config.original.php to understand the ' .
  43                'configuration items.') . ' */' . NL;
  44     $content .= '$cfg = ' . var_export($cfg, true) . ';';
  45
  46     $fileWrite = file_put_contents(JIRAFEAU_CFG, $content);
  47
  48     if (false === $fileWrite) {
  49         jirafeau_fatal_error(t('Can not write local configuration file'));
  50     }
  51 }
  52
  53 function jirafeau_mkdir($path)
  54 {
  55     return !(!file_exists($path) && !@mkdir($path, 0755));
  56 }
  57
  58 /**
  59  * Returns true whether the path is writable or we manage to make it
  60  * so, which essentially is the same thing.
  61  * @param $path is the file or directory to be tested.
  62  * @return true if $path is writable.
  63  */
  64 function jirafeau_is_writable($path)
  65 {
  66     /* "@" gets rid of error messages. */
  67     return is_writable($path) || @chmod($path, 0777);
  68 }
  69
  70 function jirafeau_check_var_dir($path)
  71 {
  72     $mkdir_str1 = t('The following directory could not be created') . ':';
  73     $mkdir_str2 = t('You should create this directory manually.');
  74     $write_str1 = t('The following directory is not writable') . ':';
  75     $write_str2 = t('You should give the write permission to the web server on ' .
  76                     'this directory.');
  77     $solution_str = t('Here is a solution') . ':';
  78
  79     if (!jirafeau_mkdir($path) || !jirafeau_is_writable($path)) {
  80         return array('has_error' => true,
  81                       'why' => $mkdir_str1 . '<br /><code>' .
  82                                $path . '</code><br />' . $solution_str .
  83                                '<br />' . $mkdir_str2);
  84     }
  85
  86     foreach (array('files', 'links', 'async', 'alias') as $subdir) {
  87         $subpath = $path.$subdir;
  88
  89         if (!jirafeau_mkdir($subpath) || !jirafeau_is_writable($subpath)) {
  90             return array('has_error' => true,
  91                           'why' => $mkdir_str1 . '<br /><code>' .
  92                                    $subpath . '</code><br />' . $solution_str .
  93                                    '<br />' . $mkdir_str2);
  94         }
  95     }
  96
  97     return array('has_error' => false, 'why' => '');
  98 }
  99
 100 function jirafeau_add_ending_slash($path)
 101 {
 102     return $path . ((substr($path, -1) == '/') ? '' : '/');
 103 }
 104
 105 /**
 106  * Check installation
 107  **/
 108
 109 // Is the installation process done already?
 110 // Then there is nothing to do here → redirect to the main page.
 111 if ($cfg['installation_done'] === true) {
 112     header('Location: index.php');
 113     exit;
 114 }
 115
 116 /**
 117  * Prepare installation process
 118  **/
 119
 120 require(JIRAFEAU_ROOT . 'lib/template/header.php');
 121
 122 // does the local configuration file exist?
 123 if (!file_exists(JIRAFEAU_CFG)) {
 124     // show an error if it is not possible to create the file
 125     if (!@touch(JIRAFEAU_CFG)) {
 126         jirafeau_fatal_error(
 127             t('The local configuration file could not be created. Create a ' .
 128                '<code>lib/config.local.php</code> file and give the write ' .
 129                'permission to the web server (preferred solution), or give the ' .
 130                'write permission to the web server on the <code>lib</code> ' .
 131                'directory.')
 132         );
 133     }
 134 }
 135
 136 // is the local configuration writable?
 137 if (!is_writable(JIRAFEAU_CFG) && !@chmod(JIRAFEAU_CFG, '0666')) {
 138     jirafeau_fatal_error(
 139         t('The local configuration is not writable by the web server. ' .
 140             'Give the write permission to the web server on the ' .
 141             '<code>lib/config.local.php</code> file.')
 142     );
 143 }
 144
 145 /**
 146  * Run trough each installation step
 147  **/
 148
 149 if (isset($_POST['step']) && isset($_POST['next'])) {
 150     switch ($_POST['step']) {
 151     case 1:
 152         $cfg['lang'] = $_POST['lang'];
 153         jirafeau_export_cfg($cfg);
 154         break;
 155
 156     case 2:
 157         $cfg['admin_password'] = hash('sha256', $_POST['admin_password']);
 158         jirafeau_export_cfg($cfg);
 159         break;
 160
 161     case 3:
 162         $cfg['web_root'] = jirafeau_add_ending_slash($_POST['web_root']);
 163         $cfg['var_root'] = jirafeau_add_ending_slash($_POST['var_root']);
 164         jirafeau_export_cfg($cfg);
 165         break;
 166
 167     case 4:
 168         $cfg['web_root'] = jirafeau_add_ending_slash($_POST['web_root']);
 169         $cfg['var_root'] = jirafeau_add_ending_slash($_POST['var_root']);
 170         jirafeau_export_cfg($cfg);
 171         break;
 172     }
 173 }
 174
 175 $current = 1;
 176 if (isset($_POST['next'])) {
 177     $current = $_POST['step'] + 1;
 178 } elseif (isset($_POST['previous'])) {
 179     $current = $_POST['step'] - 1;
 180 } elseif (isset($_POST['retry'])) {
 181     $current = $_POST['step'];
 182 }
 183
 184 switch ($current) {
 185 case 1:
 186 default:
 187     ?><h2><?php printf(t('Installation of Jirafeau') . ' - ' . t('step') .
 188     ' %d ' . t('out of') . ' %d', 1, 4);
 189     ?></h2> <div id = "install"> <form method="post"> <input type =
 190         "hidden" name = "jirafeau" value =
 191         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 192         "step" value = "1" /><fieldset> <legend><?php echo t('Language');
 193     ?></legend> <table> <tr> <td class = "info" colspan =
 194         "2"><?php echo
 195         t('Jirafeau is internationalised. Choose a specific langage or ' .
 196          'choose Automatic (langage is provided by user\'s browser).');
 197     ?></td> </tr> <tr> <td class = "label"><label for = "select_lang"
 198        ><?php echo t('Choose the default language') . ':';
 199     ?></label></td>
 200         <td class = "field">
 201         <select name = "lang" id = "select_lang">
 202         <?php foreach ($languages_list as $key => $item) {
 203         echo '<option value="'.$key.'"'.($key ==
 204                       $cfg['lang'] ? ' selected="selected"'
 205                       : '').'>'.$item.'</option>'.NL;
 206     }
 207     ?></select>
 208         </td>
 209         </tr>
 210         <tr class = "nav">
 211         <td></td>
 212         <td class = "nav next"><input type = "submit" name = "next" value =
 213         "<?php echo t('Next step'); ?>" /></td> </tr> </table>
 214         </fieldset> </form> </div> <?php
 215 break;
 216
 217 case 2:
 218     ?><h2><?php printf(t('Installation of Jirafeau') . ' - ' . t('step') .
 219     ' %d ' . t('out of') . ' %d', 2, 4);
 220     ?></h2> <div id = "install"> <form method="post"> <input type =
 221         "hidden" name = "jirafeau" value =
 222         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 223         "step" value = "2" /><fieldset> <legend><?php
 224         echo t('Administration password');
 225     ?></legend> <table> <tr> <td class = "info" colspan =
 226         "2"><?php echo
 227         t('Jirafeau has an administration interface (through admin.php). ' .
 228         'You can set a password to access the interface or leave it empty ' .
 229         'to disable the interface.');
 230     ?></td> </tr> <tr> <td class = "label"><label for = "select_password"
 231        ><?php echo t('Administration password') . ':';
 232     ?></label></td>
 233         <td class = "field"><input type = "password" name = "admin_password"
 234         id = "admin_password" size = "40" /></td>
 235         </tr>
 236         <tr class = "nav">
 237         <td></td>
 238         <td class = "nav next">
 239         <input type = "submit"
 240         class = "navleft" name = "previous" value = "<?php
 241         echo t('Previous step'); ?>" />
 242         <input type = "submit" name = "next" value =
 243         "<?php echo t('Next step'); ?>" /></td> </tr> </table>
 244         </fieldset> </form> </div> <?php
 245 break;
 246
 247 case 3:
 248     ?><h2><?php printf(t('Installation of Jirafeau') . ' - ' . t('step') .
 249     ' %d ' . t('out of') . ' %d', 3, 4);
 250     ?></h2> <div id = "install"> <form method="post"> <input type =
 251         "hidden" name = "jirafeau" value =
 252         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 253         "step" value =
 254         "3" /><fieldset> <legend><?php echo t('Information');
 255     ?></legend> <table> <tr> <td class = "info" colspan =
 256         "2"><?php echo
 257         t('The base address of Jirafeau is the first part of the URL, until ' .
 258          '(and including) the last slash. For example: ' .
 259          '"http://www.example.com/". Do not forget the trailing slash!');
 260     ?></td> </tr> <tr> <td class = "label"><label for = "input_web_root"
 261        ><?php echo t('Base address') . ':';
 262     ?></label></td>
 263         <td class = "field"><input type = "text" name = "web_root"
 264         id = "input_web_root" value = "<?php
 265         echo(empty($cfg['web_root']) ?
 266           'http://' . $_SERVER['HTTP_HOST'] . str_replace(basename(__FILE__),
 267           '', $_SERVER['REQUEST_URI']) : $cfg['web_root']);
 268       ?>" size = "40" /></td>
 269         </tr> <tr> <td class = "info" colspan = "2"><?php
 270         echo t('The data directory is where your files and information about' .
 271         ' your files will be stored. You should put it outside your web ' .
 272         'site, or at least restrict the access to this directory. Do not ' .
 273         'forget the trailing slash!');
 274     ?></td> </tr> <tr> <td class = "label"><label for = "input_var_root"
 275        ><?php echo t('Data directory') . ':';
 276     ?></label></td>
 277         <td class = "field"><input type = "text" name = "var_root"
 278         id = "input_var_root" value = "<?php
 279         if (empty($cfg['var_root'])) {
 280             $alphanum = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' .
 281           'abcdefghijklmnopqrstuvwxyz' . '0123456789';
 282             $len_alphanum = strlen($alphanum);
 283             $var = 'var-';
 284             for ($i = 0; $i <JIRAFEAU_VAR_RAND_LENGTH; $i++) {
 285                 $var .= substr($alphanum, mt_rand(0, $len_alphanum - 1), 1);
 286             }
 287             echo JIRAFEAU_ROOT . $var . '/';
 288         } else {
 289             echo $cfg['var_root'];
 290         }
 291       ?>" size = "40" /></td>
 292         </tr> <tr> <td colspan = "2"><input type = "submit"
 293         class = "navleft" name = "previous" value = "<?php
 294         echo t('Previous step'); ?>" />
 295          <input type = "submit" class = "navright" name = "next" value = "
 296         <?php echo t('Next step'); ?>" />
 297         </td> </tr> </table> </fieldset>
 298         </form> </div> <?php
 299 break;
 300
 301 case 4:
 302     ?><h2><?php printf(t('Installation of Jirafeau') . ' - ' . t('step') .
 303     ' %d ' . t('out of') . ' %d', 4, 4);
 304     ?></h2> <div id = "install"> <form method="post"> <input type =
 305         "hidden" name = "jirafeau" value =
 306         "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 307         "step" value =
 308         "4" /><fieldset> <legend><?php echo t('Finalisation');
 309     ?></legend> <table> <tr> <td class = "info" colspan =
 310         "2"><?php echo
 311         t('Jirafeau is setting the website according to the configuration ' .
 312            'you provided.');
 313     ?></td> </tr> <tr> <td class = "nav previous"><input type =
 314         "submit" name = "previous" value =
 315         "
 316     <?php
 317     echo t('Previous step');
 318     ?>" /></td> <td></td> </tr>
 319         </table> </fieldset> </form> </div>
 320     <?php
 321     $err = jirafeau_check_var_dir($cfg['var_root']);
 322     if ($err['has_error']) {
 323         echo '<div class="error"><p>'.$err['why'].'<br />'.NL; ?><form method="post"> <input type = "hidden" name = "jirafeau" value =
 324             "<?php echo JIRAFEAU_VERSION; ?>" /><input type = "hidden" name =
 325             "step" value = "4" /><input type = "submit" name =
 326             "retry" value =
 327             "<?php echo t('Retry this step'); ?>" /></form>
 328             <?php echo '</p></div>';
 329     } else {
 330         $cfg['installation_done'] = true;
 331         jirafeau_export_cfg($cfg);
 332         echo '<div class="message"><p>' .
 333              t('Jirafeau is now fully operational') . ':' .
 334              '<br /><a href="' . $cfg['web_root'] . '">' .
 335              $cfg['web_root'].'</a></p></div>';
 336     }
 337 break;
 338 }
 339
 340 require(JIRAFEAU_ROOT . 'lib/template/footer.php');