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1 <?php 2 3 /*><div style="width:60%; margin: auto; background-color: #fcc; 4 border: 1px solid #faa; padding: 0.5em 1em;"> 5 <h1 style="font-size: 120%">No PHP Support</h1> 6 7 It seems this server has no PHP support enabled. You will need to 8 enable PHP before you can install and run DokuWiki. Contact your hosting 9 provider if you're unsure what this means. 10 11 </div>*/ 12 /** 13 * Dokuwiki installation assistance 14 * 15 * @author Chris Smith <chris@jalakai.co.uk> 16 */ 17 18 if (!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__) . '/'); 19 if (!defined('DOKU_CONF')) define('DOKU_CONF', DOKU_INC . 'conf/'); 20 if (!defined('DOKU_LOCAL')) define('DOKU_LOCAL', DOKU_INC . 'conf/'); 21 22 // load and initialize the core system 23 require_once (DOKU_INC . 'inc/init.php'); 24 require_once (DOKU_INC . 'inc/pageutils.php'); 25 26 // check for error reporting override or set error reporting to sane values 27 if (!defined('DOKU_E_LEVEL')) { 28 error_reporting(E_ALL ^ E_NOTICE); 29 } else { 30 error_reporting(DOKU_E_LEVEL); 31 } 32 33 // language strings 34 require_once (DOKU_INC . 'inc/lang/en/lang.php'); 35 if (isset($_REQUEST['l']) && !is_array($_REQUEST['l'])) { 36 $LC = preg_replace('/[^a-z\-]+/', '', $_REQUEST['l']); 37 } 38 if (empty($LC)) $LC = 'en'; 39 if ($LC && $LC != 'en') { 40 require_once(DOKU_INC . 'inc/lang/' . $LC . '/lang.php'); 41 } 42 43 // initialise variables ... 44 $error = array(); 45 46 // begin output 47 header('Content-Type: text/html; charset=utf-8'); 48 ?> 49 <!DOCTYPE html> 50 <html lang="<?php echo $LC?>" dir="<?php echo $lang['direction']?>"> 51 <head> 52 <meta charset="utf-8" /> 53 <title><?php echo $lang['i_installer']?></title> 54 <style> 55 body { width: 90%; margin: 0 auto; font: 84% Verdana, Helvetica, Arial, sans-serif; } 56 img { border: none } 57 br.cl { clear:both; } 58 code { font-size: 110%; color: #800000; } 59 fieldset { border: none } 60 label { display: block; margin-top: 0.5em; } 61 select.text, input.text { width: 30em; margin: 0 0.5em; } 62 a {text-decoration: none} 63 </style> 64 <script> 65 function acltoggle(){ 66 var cb = document.getElementById('acl'); 67 var fs = document.getElementById('acldep'); 68 if(!cb || !fs) return; 69 if(cb.checked){ 70 fs.style.display = ''; 71 }else{ 72 fs.style.display = 'none'; 73 } 74 } 75 window.onload = function(){ 76 acltoggle(); 77 var cb = document.getElementById('acl'); 78 if(cb) cb.onchange = acltoggle; 79 }; 80 </script> 81 </head> 82 <body style=""> 83 <h1 style="float:left"> 84 <img src="lib/exe/fetch.php?media=wiki:dokuwiki-128.png" 85 style="vertical-align: middle;" alt="" height="64" width="64" /> 86 <?php echo $lang['i_installer']?> 87 </h1> 88 <div style="float:right; margin: 1em;"> 89 <?php langsel()?> 90 </div> 91 <br class="cl" /> 92 93 <div style="float: right; width: 34%;"> 94 <?php 95 if (file_exists(DOKU_INC . 'inc/lang/' . $LC . '/install.html')) { 96 include(DOKU_INC . 'inc/lang/' . $LC . '/install.html'); 97 } else { 98 print "<div lang=\"en\" dir=\"ltr\">\n"; 99 include(DOKU_INC . 'inc/lang/en/install.html'); 100 print "</div>\n"; 101 } 102 ?> 103 <a style=" 104 background: transparent 105 url(data/dont-panic-if-you-see-this-in-your-logs-it-means-your-directory-permissions-are-correct.png) 106 left top no-repeat; 107 display: block; width:380px; height:73px; border:none; clear:both;" 108 target="_blank" 109 href="http://www.dokuwiki.org/security#web_access_security"></a> 110 </div> 111 112 <div style="float: left; width: 58%;"> 113 <?php 114 try { 115 if (! (check_functions() && check_permissions())) { 116 echo '<p>' . $lang['i_problems'] . '</p>'; 117 print_errors(); 118 print_retry(); 119 } elseif (!check_configs()) { 120 echo '<p>' . $lang['i_modified'] . '</p>'; 121 print_errors(); 122 } elseif (check_data($_REQUEST['d'])) { 123 // check_data has sanitized all input parameters 124 if (!store_data($_REQUEST['d'])) { 125 echo '<p>' . $lang['i_failure'] . '</p>'; 126 print_errors(); 127 } else { 128 echo '<p>' . $lang['i_success'] . '</p>'; 129 } 130 } else { 131 print_errors(); 132 print_form($_REQUEST['d']); 133 } 134 } catch (Exception $e) { 135 echo 'Caught exception: ', $e->getMessage(), "\n"; 136 } 137 ?> 138 </div> 139 140 141 <div style="clear: both"> 142 <a href="http://dokuwiki.org/"><img src="lib/tpl/dokuwiki/images/button-dw.png" alt="driven by DokuWiki" /></a> 143 <a href="http://php.net"><img src="lib/tpl/dokuwiki/images/button-php.gif" alt="powered by PHP" /></a> 144 </div> 145 </body> 146 </html> 147 <?php 148 149 /** 150 * Print the input form 151 * 152 * @param array $d submitted entry 'd' of request data 153 */ 154 function print_form($d) 155 { 156 global $lang; 157 global $LC; 158 159 include(DOKU_CONF . 'license.php'); 160 161 if (!is_array($d)) $d = array(); 162 $d = array_map('hsc', $d); 163 164 if (!isset($d['acl'])) $d['acl'] = 1; 165 if (!isset($d['pop'])) $d['pop'] = 1; 166 167 ?> 168 <form action="" method="post"> 169 <input type="hidden" name="l" value="<?php echo $LC ?>" /> 170 <fieldset> 171 <label for="title"><?php echo $lang['i_wikiname']?> 172 <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;" /> 173 </label> 174 175 <fieldset style="margin-top: 1em;"> 176 <label for="acl"> 177 <input type="checkbox" name="d[acl]" id="acl" <?php echo(($d['acl'] ? ' checked="checked"' : ''));?> /> 178 <?php echo $lang['i_enableacl']?></label> 179 180 <fieldset id="acldep"> 181 <label for="superuser"><?php echo $lang['i_superuser']?></label> 182 <input class="text" type="text" name="d[superuser]" id="superuser" 183 value="<?php echo $d['superuser'] ?>" /> 184 185 <label for="fullname"><?php echo $lang['fullname']?></label> 186 <input class="text" type="text" name="d[fullname]" id="fullname" 187 value="<?php echo $d['fullname'] ?>" /> 188 189 <label for="email"><?php echo $lang['email']?></label> 190 <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>" /> 191 192 <label for="password"><?php echo $lang['pass']?></label> 193 <input class="text" type="password" name="d[password]" id="password" /> 194 195 <label for="confirm"><?php echo $lang['passchk']?></label> 196 <input class="text" type="password" name="d[confirm]" id="confirm" /> 197 198 <label for="policy"><?php echo $lang['i_policy']?></label> 199 <select class="text" name="d[policy]" id="policy"> 200 <option value="0" <?php echo ($d['policy'] == 0) ? 'selected="selected"' : '' ?>><?php 201 echo $lang['i_pol0']?></option> 202 <option value="1" <?php echo ($d['policy'] == 1) ? 'selected="selected"' : '' ?>><?php 203 echo $lang['i_pol1']?></option> 204 <option value="2" <?php echo ($d['policy'] == 2) ? 'selected="selected"' : '' ?>><?php 205 echo $lang['i_pol2']?></option> 206 </select> 207 208 <label for="allowreg"> 209 <input type="checkbox" name="d[allowreg]" id="allowreg" <?php 210 echo(($d['allowreg'] ? ' checked="checked"' : ''));?> /> 211 <?php echo $lang['i_allowreg']?> 212 </label> 213 </fieldset> 214 </fieldset> 215 216 <fieldset> 217 <p><?php echo $lang['i_license']?></p> 218 <?php 219 array_push($license, array('name' => $lang['i_license_none'], 'url' => '')); 220 if (empty($d['license'])) $d['license'] = 'cc-by-sa'; 221 foreach ($license as $key => $lic) { 222 echo '<label for="lic_' . $key . '">'; 223 echo '<input type="radio" name="d[license]" value="' . hsc($key) . '" id="lic_' . $key . '"' . 224 (($d['license'] === $key) ? ' checked="checked"' : '') . '>'; 225 echo hsc($lic['name']); 226 if ($lic['url']) echo ' <a href="' . $lic['url'] . '" target="_blank"><sup>[?]</sup></a>'; 227 echo '</label>'; 228 } 229 ?> 230 </fieldset> 231 232 <fieldset> 233 <p><?php echo $lang['i_pop_field']?></p> 234 <label for="pop"> 235 <input type="checkbox" name="d[pop]" id="pop" <?php 236 echo(($d['pop'] ? ' checked="checked"' : ''));?> /> 237 <?php echo $lang['i_pop_label']?> 238 <a href="http://www.dokuwiki.org/popularity" target="_blank"><sup>[?]</sup></a> 239 </label> 240 </fieldset> 241 242 </fieldset> 243 <fieldset id="process"> 244 <button type="submit" name="submit"><?php echo $lang['btn_save']?></button> 245 </fieldset> 246 </form> 247 <?php 248 } 249 250 function print_retry() 251 { 252 global $lang; 253 global $LC; 254 ?> 255 <form action="" method="get"> 256 <fieldset> 257 <input type="hidden" name="l" value="<?php echo $LC ?>" /> 258 <button type="submit"><?php echo $lang['i_retry'];?></button> 259 </fieldset> 260 </form> 261 <?php 262 } 263 264 /** 265 * Check validity of data 266 * 267 * @author Andreas Gohr 268 * 269 * @param array $d 270 * @return bool ok? 271 */ 272 function check_data(&$d) 273 { 274 static $form_default = array( 275 'title' => '', 276 'acl' => '1', 277 'superuser' => '', 278 'fullname' => '', 279 'email' => '', 280 'password' => '', 281 'confirm' => '', 282 'policy' => '0', 283 'allowreg' => '0', 284 'license' => 'cc-by-sa' 285 ); 286 global $lang; 287 global $error; 288 289 if (!is_array($d)) $d = array(); 290 foreach ($d as $k => $v) { 291 if (is_array($v)) 292 unset($d[$k]); 293 else $d[$k] = (string)$v; 294 } 295 296 //autolowercase the username 297 $d['superuser'] = isset($d['superuser']) ? strtolower($d['superuser']) : ""; 298 299 $ok = false; 300 301 if (isset($_REQUEST['submit'])) { 302 $ok = true; 303 304 // check input 305 if (empty($d['title'])) { 306 $error[] = sprintf($lang['i_badval'], $lang['i_wikiname']); 307 $ok = false; 308 } 309 if (isset($d['acl'])) { 310 if (empty($d['superuser']) || ($d['superuser'] !== cleanID($d['superuser']))) { 311 $error[] = sprintf($lang['i_badval'], $lang['i_superuser']); 312 $ok = false; 313 } 314 if (empty($d['password'])) { 315 $error[] = sprintf($lang['i_badval'], $lang['pass']); 316 $ok = false; 317 } elseif (!isset($d['confirm']) || $d['confirm'] != $d['password']) { 318 $error[] = sprintf($lang['i_badval'], $lang['passchk']); 319 $ok = false; 320 } 321 if (empty($d['fullname']) || strstr($d['fullname'], ':')) { 322 $error[] = sprintf($lang['i_badval'], $lang['fullname']); 323 $ok = false; 324 } 325 if (empty($d['email']) || strstr($d['email'], ':') || !strstr($d['email'], '@')) { 326 $error[] = sprintf($lang['i_badval'], $lang['email']); 327 $ok = false; 328 } 329 } else { 330 // Since default = 1, browser won't send acl=0 when user untick acl 331 $d['acl'] = '0'; 332 } 333 } 334 $d = array_merge($form_default, $d); 335 return $ok; 336 } 337 338 /** 339 * Writes the data to the config files 340 * 341 * @author Chris Smith <chris@jalakai.co.uk> 342 * 343 * @param array $d 344 * @return bool 345 */ 346 function store_data($d) 347 { 348 global $LC; 349 $ok = true; 350 $d['policy'] = (int) $d['policy']; 351 352 // create local.php 353 $now = gmdate('r'); 354 $output = <<<EOT 355 <?php 356 /** 357 * Dokuwiki's Main Configuration File - Local Settings 358 * Auto-generated by install script 359 * Date: $now 360 */ 361 362 EOT; 363 // add any config options set by a previous installer 364 $preset = __DIR__ . '/install.conf'; 365 if (file_exists($preset)) { 366 $output .= "# preset config options\n"; 367 $output .= file_get_contents($preset); 368 $output .= "\n\n"; 369 $output .= "# options selected in installer\n"; 370 @unlink($preset); 371 } 372 373 $output .= '$conf[\'title\'] = \'' . addslashes($d['title']) . "';\n"; 374 $output .= '$conf[\'lang\'] = \'' . addslashes($LC) . "';\n"; 375 $output .= '$conf[\'license\'] = \'' . addslashes($d['license']) . "';\n"; 376 if ($d['acl']) { 377 $output .= '$conf[\'useacl\'] = 1' . ";\n"; 378 $output .= "\$conf['superuser'] = '@admin';\n"; 379 } 380 if (!$d['allowreg']) { 381 $output .= '$conf[\'disableactions\'] = \'register\'' . ";\n"; 382 } 383 $ok = $ok && fileWrite(DOKU_LOCAL . 'local.php', $output); 384 385 if ($d['acl']) { 386 // hash the password 387 $phash = new \dokuwiki\PassHash(); 388 $pass = $phash->hash_bcrypt($d['password']); 389 390 // create users.auth.php 391 $output = <<<EOT 392 # users.auth.php 393 # <?php exit()?> 394 # Don't modify the lines above 395 # 396 # Userfile 397 # 398 # Auto-generated by install script 399 # Date: $now 400 # 401 # Format: 402 # login:passwordhash:Real Name:email:groups,comma,separated 403 404 EOT; 405 // --- user:bcryptpasswordhash:Real Name:email:groups,comma,seperated 406 $output = $output . "\n" . join(':', [ 407 $d['superuser'], 408 $pass, 409 $d['fullname'], 410 $d['email'], 411 'admin,user', 412 ]) . "\n"; 413 $ok = $ok && fileWrite(DOKU_LOCAL . 'users.auth.php', $output); 414 415 // create acl.auth.php 416 $output = <<<EOT 417 # acl.auth.php 418 # <?php exit()?> 419 # Don't modify the lines above 420 # 421 # Access Control Lists 422 # 423 # Auto-generated by install script 424 # Date: $now 425 426 EOT; 427 if ($d['policy'] == 2) { 428 $output .= "* @ALL 0\n"; 429 $output .= "* @user 8\n"; 430 } elseif ($d['policy'] == 1) { 431 $output .= "* @ALL 1\n"; 432 $output .= "* @user 8\n"; 433 } else { 434 $output .= "* @ALL 8\n"; 435 } 436 $ok = $ok && fileWrite(DOKU_LOCAL . 'acl.auth.php', $output); 437 } 438 439 // enable popularity submission 440 if (isset($d['pop']) && $d['pop']) { 441 @touch(DOKU_INC . 'data/cache/autosubmit.txt'); 442 } 443 444 // disable auth plugins til needed 445 $output = <<<EOT 446 <?php 447 /* 448 * Local plugin enable/disable settings 449 * 450 * Auto-generated by install script 451 * Date: $now 452 */ 453 454 \$plugins['authad'] = 0; 455 \$plugins['authldap'] = 0; 456 \$plugins['authmysql'] = 0; 457 \$plugins['authpgsql'] = 0; 458 459 EOT; 460 $ok = $ok && fileWrite(DOKU_LOCAL . 'plugins.local.php', $output); 461 462 return $ok; 463 } 464 465 /** 466 * Write the given content to a file 467 * 468 * @author Chris Smith <chris@jalakai.co.uk> 469 * 470 * @param string $filename 471 * @param string $data 472 * @return bool 473 */ 474 function fileWrite($filename, $data) 475 { 476 global $error; 477 global $lang; 478 479 if (($fp = @fopen($filename, 'wb')) === false) { 480 $filename = str_replace($_SERVER['DOCUMENT_ROOT'], '{DOCUMENT_ROOT}/', $filename); 481 $error[] = sprintf($lang['i_writeerr'], $filename); 482 return false; 483 } 484 485 if (!empty($data)) { 486 fwrite($fp, $data); 487 } 488 fclose($fp); 489 return true; 490 } 491 492 493 /** 494 * check installation dependent local config files and tests for a known 495 * unmodified main config file 496 * 497 * @author Chris Smith <chris@jalakai.co.uk> 498 * 499 * @return bool 500 */ 501 function check_configs() 502 { 503 global $error; 504 global $lang; 505 506 $ok = true; 507 508 $config_files = array( 509 'local' => DOKU_LOCAL . 'local.php', 510 'users' => DOKU_LOCAL . 'users.auth.php', 511 'auth' => DOKU_LOCAL . 'acl.auth.php' 512 ); 513 514 // configs shouldn't exist 515 foreach ($config_files as $file) { 516 if (file_exists($file) && filesize($file)) { 517 $file = str_replace($_SERVER['DOCUMENT_ROOT'], '{DOCUMENT_ROOT}/', $file); 518 $error[] = sprintf($lang['i_confexists'], $file); 519 $ok = false; 520 } 521 } 522 return $ok; 523 } 524 525 526 /** 527 * Check other installation dir/file permission requirements 528 * 529 * @author Chris Smith <chris@jalakai.co.uk> 530 * 531 * @return bool 532 */ 533 function check_permissions() 534 { 535 global $error; 536 global $lang; 537 538 $dirs = array( 539 'conf' => DOKU_LOCAL, 540 'data' => DOKU_INC . 'data', 541 'pages' => DOKU_INC . 'data/pages', 542 'attic' => DOKU_INC . 'data/attic', 543 'media' => DOKU_INC . 'data/media', 544 'media_attic' => DOKU_INC . 'data/media_attic', 545 'media_meta' => DOKU_INC . 'data/media_meta', 546 'meta' => DOKU_INC . 'data/meta', 547 'cache' => DOKU_INC . 'data/cache', 548 'locks' => DOKU_INC . 'data/locks', 549 'index' => DOKU_INC . 'data/index', 550 'tmp' => DOKU_INC . 'data/tmp' 551 ); 552 553 $ok = true; 554 foreach ($dirs as $dir) { 555 if (!file_exists("$dir/.") || !is_writable($dir)) { 556 $dir = str_replace($_SERVER['DOCUMENT_ROOT'], '{DOCUMENT_ROOT}', $dir); 557 $error[] = sprintf($lang['i_permfail'], $dir); 558 $ok = false; 559 } 560 } 561 return $ok; 562 } 563 564 /** 565 * Check the availability of functions used in DokuWiki and the PHP version 566 * 567 * @author Andreas Gohr <andi@splitbrain.org> 568 * 569 * @return bool 570 */ 571 function check_functions() 572 { 573 global $error; 574 global $lang; 575 $ok = true; 576 577 if (version_compare(phpversion(), '5.6.0', '<')) { 578 $error[] = sprintf($lang['i_phpver'], phpversion(), '5.6.0'); 579 $ok = false; 580 } 581 582 if (ini_get('mbstring.func_overload') != 0) { 583 $error[] = $lang['i_mbfuncoverload']; 584 $ok = false; 585 } 586 587 try { 588 random_bytes(1); 589 } catch (\Exception $th) { 590 // If an appropriate source of randomness cannot be found, an Exception will be thrown by PHP 7+ 591 $error[] = $lang['i_urandom']; 592 $ok = false; 593 } 594 595 if (ini_get('mbstring.func_overload') != 0) { 596 $error[] = $lang['i_mbfuncoverload']; 597 $ok = false; 598 } 599 600 $funcs = explode(' ', 'addslashes call_user_func chmod copy fgets ' . 601 'file file_exists fseek flush filesize ftell fopen ' . 602 'glob header ignore_user_abort ini_get mkdir ' . 603 'ob_start opendir parse_ini_file readfile realpath ' . 604 'rename rmdir serialize session_start unlink usleep ' . 605 'preg_replace file_get_contents htmlspecialchars_decode ' . 606 'spl_autoload_register stream_select fsockopen pack xml_parser_create'); 607 608 if (!function_exists('mb_substr')) { 609 $funcs[] = 'utf8_encode'; 610 $funcs[] = 'utf8_decode'; 611 } 612 613 if (!function_exists('mail')) { 614 if (strpos(ini_get('disable_functions'), 'mail') !== false) { 615 $disabled = $lang['i_disabled']; 616 } else { 617 $disabled = ""; 618 } 619 $error[] = sprintf($lang['i_funcnmail'], $disabled); 620 } 621 622 foreach ($funcs as $func) { 623 if (!function_exists($func)) { 624 $error[] = sprintf($lang['i_funcna'], $func); 625 $ok = false; 626 } 627 } 628 return $ok; 629 } 630 631 /** 632 * Print language selection 633 * 634 * @author Andreas Gohr <andi@splitbrain.org> 635 */ 636 function langsel() 637 { 638 global $lang; 639 global $LC; 640 641 $dir = DOKU_INC . 'inc/lang'; 642 $dh = opendir($dir); 643 if (!$dh) return; 644 645 $langs = array(); 646 while (($file = readdir($dh)) !== false) { 647 if (preg_match('/^[\._]/', $file)) continue; 648 if (is_dir($dir . '/' . $file) && file_exists($dir . '/' . $file . '/lang.php')) { 649 $langs[] = $file; 650 } 651 } 652 closedir($dh); 653 sort($langs); 654 655 echo '<form action="">'; 656 echo $lang['i_chooselang']; 657 echo ': <select name="l" onchange="submit()">'; 658 foreach ($langs as $l) { 659 $sel = ($l == $LC) ? 'selected="selected"' : ''; 660 echo '<option value="' . $l . '" ' . $sel . '>' . $l . '</option>'; 661 } 662 echo '</select> '; 663 echo '<button type="submit">' . $lang['btn_update'] . '</button>'; 664 echo '</form>'; 665 } 666 667 /** 668 * Print global error array 669 * 670 * @author Andreas Gohr <andi@splitbrain.org> 671 */ 672 function print_errors() 673 { 674 global $error; 675 if (!empty($error)) { 676 echo '<ul>'; 677 foreach ($error as $err) { 678 echo "<li>$err</li>"; 679 } 680 echo '</ul>'; 681 } 682 }
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