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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 use dokuwiki\PassHash; 14 15 if (!defined('DOKU_INC')) define('DOKU_INC', __DIR__ . '/'); 16 if (!defined('DOKU_CONF')) define('DOKU_CONF', DOKU_INC . 'conf/'); 17 if (!defined('DOKU_LOCAL')) define('DOKU_LOCAL', DOKU_INC . 'conf/'); 18 19 // load and initialize the core system 20 require_once (DOKU_INC . 'inc/init.php'); 21 require_once (DOKU_INC . 'inc/pageutils.php'); 22 23 // check for error reporting override or set error reporting to sane values 24 if (!defined('DOKU_E_LEVEL')) { 25 error_reporting(E_ALL ^ E_NOTICE); 26 } else { 27 error_reporting(DOKU_E_LEVEL); 28 } 29 30 // language strings 31 require_once (DOKU_INC . 'inc/lang/en/lang.php'); 32 if (isset($_REQUEST['l']) && !is_array($_REQUEST['l'])) { 33 $LC = preg_replace('/[^a-z\-]+/', '', $_REQUEST['l']); 34 } 35 if (empty($LC)) $LC = 'en'; 36 if ($LC && $LC != 'en') { 37 require_once(DOKU_INC . 'inc/lang/' . $LC . '/lang.php'); 38 } 39 40 // initialise variables ... 41 $error = []; 42 43 // begin output 44 header('Content-Type: text/html; charset=utf-8'); 45 ?> 46 <!DOCTYPE html> 47 <html lang="<?php echo $LC ?>" dir="<?php echo $lang['direction'] ?>"> 48 <head> 49 <meta charset="utf-8"/> 50 <title><?php echo $lang['i_installer'] ?></title> 51 <style> 52 body { 53 width: 90%; 54 margin: 0 auto; 55 font: 84% Verdana, Helvetica, Arial, sans-serif; 56 } 57 58 img { 59 border: none 60 } 61 62 br.cl { 63 clear: both; 64 } 65 66 code { 67 font-size: 110%; 68 color: #800000; 69 } 70 71 fieldset { 72 border: none 73 } 74 75 label { 76 display: block; 77 margin-top: 0.5em; 78 } 79 80 select.text, input.text { 81 width: 30em; 82 margin: 0 0.5em; 83 } 84 85 a { 86 text-decoration: none 87 } 88 </style> 89 <script> 90 function acltoggle() { 91 var cb = document.getElementById('acl'); 92 var fs = document.getElementById('acldep'); 93 if (!cb || !fs) return; 94 if (cb.checked) { 95 fs.style.display = ''; 96 } else { 97 fs.style.display = 'none'; 98 } 99 } 100 101 window.onload = function () { 102 acltoggle(); 103 var cb = document.getElementById('acl'); 104 if (cb) cb.onchange = acltoggle; 105 }; 106 </script> 107 </head> 108 <body style=""> 109 <h1 style="float:left"> 110 <img src="lib/exe/fetch.php?media=wiki:dokuwiki-128.png" 111 style="vertical-align: middle;" alt="" height="64" width="64"/> 112 <?php echo $lang['i_installer'] ?> 113 </h1> 114 <div style="float:right; margin: 1em;"> 115 <?php langsel() ?> 116 </div> 117 <br class="cl"/> 118 119 <div style="float: right; width: 34%;"> 120 <?php 121 if (file_exists(DOKU_INC . 'inc/lang/' . $LC . '/install.html')) { 122 include(DOKU_INC . 'inc/lang/' . $LC . '/install.html'); 123 } else { 124 echo "<div lang=\"en\" dir=\"ltr\">\n"; 125 include(DOKU_INC . 'inc/lang/en/install.html'); 126 echo "</div>\n"; 127 } 128 ?> 129 <a style=" 130 background: transparent 131 url(data/dont-panic-if-you-see-this-in-your-logs-it-means-your-directory-permissions-are-correct.png) 132 left top no-repeat; 133 display: block; width:380px; height:73px; border:none; clear:both;" 134 target="_blank" 135 href="https://www.dokuwiki.org/security#web_access_security"></a> 136 </div> 137 138 <div style="float: left; width: 58%;"> 139 <?php 140 try { 141 if (!(check_functions() && check_permissions())) { 142 echo '<p>' . $lang['i_problems'] . '</p>'; 143 print_errors(); 144 print_retry(); 145 } elseif (!check_configs()) { 146 echo '<p>' . $lang['i_modified'] . '</p>'; 147 print_errors(); 148 } elseif (check_data($_REQUEST['d'])) { 149 // check_data has sanitized all input parameters 150 if (!store_data($_REQUEST['d'])) { 151 echo '<p>' . $lang['i_failure'] . '</p>'; 152 print_errors(); 153 } else { 154 echo '<p>' . $lang['i_success'] . '</p>'; 155 } 156 } else { 157 print_errors(); 158 print_form($_REQUEST['d']); 159 } 160 } catch (Exception $e) { 161 echo 'Caught exception: ', $e->getMessage(), "\n"; 162 } 163 ?> 164 </div> 165 166 167 <div style="clear: both"> 168 <a href="https://dokuwiki.org/"><img src="lib/tpl/dokuwiki/images/button-dw.png" alt="driven by DokuWiki"/></a> 169 <a href="https://php.net"><img src="lib/tpl/dokuwiki/images/button-php.gif" alt="powered by PHP"/></a> 170 </div> 171 </body> 172 </html> 173 <?php 174 175 /** 176 * Print the input form 177 * 178 * @param array $d submitted entry 'd' of request data 179 */ 180 function print_form($d) 181 { 182 global $lang; 183 global $LC; 184 185 include(DOKU_CONF . 'license.php'); 186 187 if (!is_array($d)) $d = []; 188 $d = array_map('hsc', $d); 189 190 if (!isset($d['acl'])) $d['acl'] = 1; 191 if (!isset($d['pop'])) $d['pop'] = 1; 192 193 ?> 194 <form action="" method="post"> 195 <input type="hidden" name="l" value="<?php echo $LC ?>"/> 196 <fieldset> 197 <label for="title"><?php echo $lang['i_wikiname'] ?> 198 <input type="text" name="d[title]" id="title" value="<?php echo $d['title'] ?>" style="width: 20em;"/> 199 </label> 200 201 <fieldset style="margin-top: 1em;"> 202 <label for="acl"> 203 <input type="checkbox" name="d[acl]" 204 id="acl" <?php echo(($d['acl'] ? ' checked="checked"' : '')); ?> /> 205 <?php echo $lang['i_enableacl'] ?></label> 206 207 <fieldset id="acldep"> 208 <label for="superuser"><?php echo $lang['i_superuser'] ?></label> 209 <input class="text" type="text" name="d[superuser]" id="superuser" 210 value="<?php echo $d['superuser'] ?>"/> 211 212 <label for="fullname"><?php echo $lang['fullname'] ?></label> 213 <input class="text" type="text" name="d[fullname]" id="fullname" 214 value="<?php echo $d['fullname'] ?>"/> 215 216 <label for="email"><?php echo $lang['email'] ?></label> 217 <input class="text" type="text" name="d[email]" id="email" value="<?php echo $d['email'] ?>"/> 218 219 <label for="password"><?php echo $lang['pass'] ?></label> 220 <input class="text" type="password" name="d[password]" id="password"/> 221 222 <label for="confirm"><?php echo $lang['passchk'] ?></label> 223 <input class="text" type="password" name="d[confirm]" id="confirm"/> 224 225 <label for="policy"><?php echo $lang['i_policy'] ?></label> 226 <select class="text" name="d[policy]" id="policy"> 227 <option value="0" <?php echo ($d['policy'] == 0) ? 'selected="selected"' : '' ?>><?php 228 echo $lang['i_pol0'] ?></option> 229 <option value="1" <?php echo ($d['policy'] == 1) ? 'selected="selected"' : '' ?>><?php 230 echo $lang['i_pol1'] ?></option> 231 <option value="2" <?php echo ($d['policy'] == 2) ? 'selected="selected"' : '' ?>><?php 232 echo $lang['i_pol2'] ?></option> 233 </select> 234 235 <label for="allowreg"> 236 <input type="checkbox" name="d[allowreg]" id="allowreg" <?php 237 echo(($d['allowreg'] ? ' checked="checked"' : '')); ?> /> 238 <?php echo $lang['i_allowreg'] ?> 239 </label> 240 </fieldset> 241 </fieldset> 242 243 <fieldset> 244 <p><?php echo $lang['i_license'] ?></p> 245 <?php 246 $license[] = ['name' => $lang['i_license_none'], 'url' => '']; 247 if (empty($d['license'])) $d['license'] = 'cc-by-sa'; 248 foreach ($license as $key => $lic) { 249 echo '<label for="lic_' . $key . '">'; 250 echo '<input type="radio" name="d[license]" value="' . hsc($key) . '" id="lic_' . $key . '"' . 251 (($d['license'] === $key) ? ' checked="checked"' : '') . '>'; 252 echo hsc($lic['name']); 253 if ($lic['url']) echo ' <a href="' . $lic['url'] . '" target="_blank"><sup>[?]</sup></a>'; 254 echo '</label>'; 255 } 256 ?> 257 </fieldset> 258 259 <fieldset> 260 <p><?php echo $lang['i_pop_field'] ?></p> 261 <label for="pop"> 262 <input type="checkbox" name="d[pop]" id="pop" <?php 263 echo(($d['pop'] ? ' checked="checked"' : '')); ?> /> 264 <?php echo $lang['i_pop_label'] ?> 265 <a href="https://www.dokuwiki.org/popularity" target="_blank"><sup>[?]</sup></a> 266 </label> 267 </fieldset> 268 269 </fieldset> 270 <fieldset id="process"> 271 <button type="submit" name="submit"><?php echo $lang['btn_save'] ?></button> 272 </fieldset> 273 </form> 274 <?php 275 } 276 277 function print_retry() 278 { 279 global $lang; 280 global $LC; 281 ?> 282 <form action="" method="get"> 283 <fieldset> 284 <input type="hidden" name="l" value="<?php echo $LC ?>"/> 285 <button type="submit"><?php echo $lang['i_retry']; ?></button> 286 </fieldset> 287 </form> 288 <?php 289 } 290 291 /** 292 * Check validity of data 293 * 294 * @param array $d 295 * @return bool ok? 296 * @author Andreas Gohr 297 * 298 */ 299 function check_data(&$d) 300 { 301 static $form_default = [ 302 'title' => '', 303 'acl' => '1', 304 'superuser' => '', 305 'fullname' => '', 306 'email' => '', 307 'password' => '', 308 'confirm' => '', 309 'policy' => '0', 310 'allowreg' => '0', 311 'license' => 'cc-by-sa' 312 ]; 313 global $lang; 314 global $error; 315 316 if (!is_array($d)) $d = []; 317 foreach ($d as $k => $v) { 318 if (is_array($v)) 319 unset($d[$k]); 320 else $d[$k] = (string)$v; 321 } 322 323 //autolowercase the username 324 $d['superuser'] = isset($d['superuser']) ? strtolower($d['superuser']) : ""; 325 326 $ok = false; 327 328 if (isset($_REQUEST['submit'])) { 329 $ok = true; 330 331 // check input 332 if (empty($d['title'])) { 333 $error[] = sprintf($lang['i_badval'], $lang['i_wikiname']); 334 $ok = false; 335 } 336 if (isset($d['acl'])) { 337 if (empty($d['superuser']) || ($d['superuser'] !== cleanID($d['superuser']))) { 338 $error[] = sprintf($lang['i_badval'], $lang['i_superuser']); 339 $ok = false; 340 } 341 if (empty($d['password'])) { 342 $error[] = sprintf($lang['i_badval'], $lang['pass']); 343 $ok = false; 344 } elseif (!isset($d['confirm']) || $d['confirm'] != $d['password']) { 345 $error[] = sprintf($lang['i_badval'], $lang['passchk']); 346 $ok = false; 347 } 348 if (empty($d['fullname']) || strstr($d['fullname'], ':')) { 349 $error[] = sprintf($lang['i_badval'], $lang['fullname']); 350 $ok = false; 351 } 352 if (empty($d['email']) || strstr($d['email'], ':') || !strstr($d['email'], '@')) { 353 $error[] = sprintf($lang['i_badval'], $lang['email']); 354 $ok = false; 355 } 356 } else { 357 // Since default = 1, browser won't send acl=0 when user untick acl 358 $d['acl'] = '0'; 359 } 360 } 361 $d = array_merge($form_default, $d); 362 return $ok; 363 } 364 365 /** 366 * Writes the data to the config files 367 * 368 * @param array $d 369 * @return bool 370 * @throws Exception 371 * 372 * @author Chris Smith <chris@jalakai.co.uk> 373 */ 374 function store_data($d) 375 { 376 global $LC; 377 $ok = true; 378 $d['policy'] = (int)$d['policy']; 379 380 // create local.php 381 $now = gmdate('r'); 382 $output = <<<EOT 383 <?php 384 /** 385 * Dokuwiki's Main Configuration File - Local Settings 386 * Auto-generated by install script 387 * Date: $now 388 */ 389 390 EOT; 391 // add any config options set by a previous installer 392 $preset = __DIR__ . '/install.conf'; 393 if (file_exists($preset)) { 394 $output .= "# preset config options\n"; 395 $output .= file_get_contents($preset); 396 $output .= "\n\n"; 397 $output .= "# options selected in installer\n"; 398 @unlink($preset); 399 } 400 401 $output .= '$conf[\'title\'] = \'' . addslashes($d['title']) . "';\n"; 402 $output .= '$conf[\'lang\'] = \'' . addslashes($LC) . "';\n"; 403 $output .= '$conf[\'license\'] = \'' . addslashes($d['license']) . "';\n"; 404 if ($d['acl']) { 405 $output .= '$conf[\'useacl\'] = 1' . ";\n"; 406 $output .= "\$conf['superuser'] = '@admin';\n"; 407 } 408 if (!$d['allowreg']) { 409 $output .= '$conf[\'disableactions\'] = \'register\'' . ";\n"; 410 } 411 $ok = $ok && fileWrite(DOKU_LOCAL . 'local.php', $output); 412 413 if ($d['acl']) { 414 // hash the password 415 $phash = new PassHash(); 416 $pass = $phash->hash_bcrypt($d['password']); 417 418 // create users.auth.php 419 $output = <<<EOT 420 # users.auth.php 421 # <?php exit()?> 422 # Don't modify the lines above 423 # 424 # Userfile 425 # 426 # Auto-generated by install script 427 # Date: $now 428 # 429 # Format: 430 # login:passwordhash:Real Name:email:groups,comma,separated 431 432 EOT; 433 // --- user:bcryptpasswordhash:Real Name:email:groups,comma,seperated 434 $output = $output . "\n" . implode(':', [ 435 $d['superuser'], 436 $pass, 437 $d['fullname'], 438 $d['email'], 439 'admin,user', 440 ]) . "\n"; 441 $ok = $ok && fileWrite(DOKU_LOCAL . 'users.auth.php', $output); 442 443 // create acl.auth.php 444 $output = <<<EOT 445 # acl.auth.php 446 # <?php exit()?> 447 # Don't modify the lines above 448 # 449 # Access Control Lists 450 # 451 # Auto-generated by install script 452 # Date: $now 453 454 EOT; 455 if ($d['policy'] == 2) { 456 $output .= "* @ALL 0\n"; 457 $output .= "* @user 8\n"; 458 } elseif ($d['policy'] == 1) { 459 $output .= "* @ALL 1\n"; 460 $output .= "* @user 8\n"; 461 } else { 462 $output .= "* @ALL 8\n"; 463 } 464 $ok = $ok && fileWrite(DOKU_LOCAL . 'acl.auth.php', $output); 465 } 466 467 // enable popularity submission 468 if (isset($d['pop']) && $d['pop']) { 469 @touch(DOKU_INC . 'data/cache/autosubmit.txt'); 470 } 471 472 // disable auth plugins til needed 473 $output = <<<EOT 474 <?php 475 /* 476 * Local plugin enable/disable settings 477 * 478 * Auto-generated by install script 479 * Date: $now 480 */ 481 482 \$plugins['authad'] = 0; 483 \$plugins['authldap'] = 0; 484 \$plugins['authmysql'] = 0; 485 \$plugins['authpgsql'] = 0; 486 487 EOT; 488 $ok = $ok && fileWrite(DOKU_LOCAL . 'plugins.local.php', $output); 489 490 return $ok; 491 } 492 493 /** 494 * Write the given content to a file 495 * 496 * @param string $filename 497 * @param string $data 498 * @return bool 499 * 500 * @author Chris Smith <chris@jalakai.co.uk> 501 */ 502 function fileWrite($filename, $data) 503 { 504 global $error; 505 global $lang; 506 507 if (($fp = @fopen($filename, 'wb')) === false) { 508 $filename = str_replace($_SERVER['DOCUMENT_ROOT'], '{DOCUMENT_ROOT}/', $filename); 509 $error[] = sprintf($lang['i_writeerr'], $filename); 510 return false; 511 } 512 513 if (!empty($data)) { 514 fwrite($fp, $data); 515 } 516 fclose($fp); 517 return true; 518 } 519 520 521 /** 522 * check installation dependent local config files and tests for a known 523 * unmodified main config file 524 * 525 * @return bool 526 * 527 * @author Chris Smith <chris@jalakai.co.uk> 528 */ 529 function check_configs() 530 { 531 global $error; 532 global $lang; 533 534 $ok = true; 535 536 $config_files = [ 537 'local' => DOKU_LOCAL . 'local.php', 538 'users' => DOKU_LOCAL . 'users.auth.php', 539 'auth' => DOKU_LOCAL . 'acl.auth.php' 540 ]; 541 542 // configs shouldn't exist 543 foreach ($config_files as $file) { 544 if (file_exists($file) && filesize($file)) { 545 $file = str_replace($_SERVER['DOCUMENT_ROOT'], '{DOCUMENT_ROOT}/', $file); 546 $error[] = sprintf($lang['i_confexists'], $file); 547 $ok = false; 548 } 549 } 550 return $ok; 551 } 552 553 554 /** 555 * Check other installation dir/file permission requirements 556 * 557 * @return bool 558 * 559 * @author Chris Smith <chris@jalakai.co.uk> 560 */ 561 function check_permissions() 562 { 563 global $error; 564 global $lang; 565 566 $dirs = [ 567 'conf' => DOKU_LOCAL, 568 'data' => DOKU_INC . 'data', 569 'pages' => DOKU_INC . 'data/pages', 570 'attic' => DOKU_INC . 'data/attic', 571 'media' => DOKU_INC . 'data/media', 572 'media_attic' => DOKU_INC . 'data/media_attic', 573 'media_meta' => DOKU_INC . 'data/media_meta', 574 'meta' => DOKU_INC . 'data/meta', 575 'cache' => DOKU_INC . 'data/cache', 576 'locks' => DOKU_INC . 'data/locks', 577 'index' => DOKU_INC . 'data/index', 578 'tmp' => DOKU_INC . 'data/tmp' 579 ]; 580 581 $ok = true; 582 foreach ($dirs as $dir) { 583 if (!file_exists("$dir/.") || !is_writable($dir)) { 584 $dir = str_replace($_SERVER['DOCUMENT_ROOT'], '{DOCUMENT_ROOT}', $dir); 585 $error[] = sprintf($lang['i_permfail'], $dir); 586 $ok = false; 587 } 588 } 589 return $ok; 590 } 591 592 /** 593 * Check the availability of functions used in DokuWiki and the PHP version 594 * 595 * @return bool 596 * 597 * @author Andreas Gohr <andi@splitbrain.org> 598 */ 599 function check_functions() 600 { 601 global $error; 602 global $lang; 603 $ok = true; 604 605 if (version_compare(phpversion(), '7.4.0', '<')) { 606 $error[] = sprintf($lang['i_phpver'], phpversion(), '7.4.0'); 607 $ok = false; 608 } 609 610 if (ini_get('mbstring.func_overload') != 0) { 611 $error[] = $lang['i_mbfuncoverload']; 612 $ok = false; 613 } 614 615 try { 616 random_bytes(1); 617 } catch (Exception $th) { 618 // If an appropriate source of randomness cannot be found, an Exception will be thrown by PHP 7+ 619 $error[] = $lang['i_urandom']; 620 $ok = false; 621 } 622 623 if (ini_get('mbstring.func_overload') != 0) { 624 $error[] = $lang['i_mbfuncoverload']; 625 $ok = false; 626 } 627 628 $funcs = explode(' ', 'addslashes call_user_func chmod copy fgets ' . 629 'file file_exists fseek flush filesize ftell fopen ' . 630 'glob header ignore_user_abort ini_get mkdir ' . 631 'ob_start opendir parse_ini_file readfile realpath ' . 632 'rename rmdir serialize session_start unlink usleep ' . 633 'preg_replace file_get_contents htmlspecialchars_decode ' . 634 'spl_autoload_register stream_select fsockopen pack xml_parser_create'); 635 636 if (!function_exists('mb_substr')) { 637 $funcs[] = 'utf8_encode'; 638 $funcs[] = 'utf8_decode'; 639 } 640 641 if (!function_exists('mail')) { 642 if (strpos(ini_get('disable_functions'), 'mail') !== false) { 643 $disabled = $lang['i_disabled']; 644 } else { 645 $disabled = ""; 646 } 647 $error[] = sprintf($lang['i_funcnmail'], $disabled); 648 } 649 650 foreach ($funcs as $func) { 651 if (!function_exists($func)) { 652 $error[] = sprintf($lang['i_funcna'], $func); 653 $ok = false; 654 } 655 } 656 return $ok; 657 } 658 659 /** 660 * Print language selection 661 * 662 * @author Andreas Gohr <andi@splitbrain.org> 663 */ 664 function langsel() 665 { 666 global $lang; 667 global $LC; 668 669 $dir = DOKU_INC . 'inc/lang'; 670 $dh = opendir($dir); 671 if (!$dh) return; 672 673 $langs = []; 674 while (($file = readdir($dh)) !== false) { 675 if (preg_match('/^[._]/', $file)) continue; 676 if (is_dir($dir . '/' . $file) && file_exists($dir . '/' . $file . '/lang.php')) { 677 $langs[] = $file; 678 } 679 } 680 closedir($dh); 681 sort($langs); 682 683 echo '<form action="">'; 684 echo $lang['i_chooselang']; 685 echo ': <select name="l" onchange="submit()">'; 686 foreach ($langs as $l) { 687 $sel = ($l == $LC) ? 'selected="selected"' : ''; 688 echo '<option value="' . $l . '" ' . $sel . '>' . $l . '</option>'; 689 } 690 echo '</select> '; 691 echo '<button type="submit">' . $lang['btn_update'] . '</button>'; 692 echo '</form>'; 693 } 694 695 /** 696 * Print global error array 697 * 698 * @author Andreas Gohr <andi@splitbrain.org> 699 */ 700 function print_errors() 701 { 702 global $error; 703 if (!empty($error)) { 704 echo '<ul>'; 705 foreach ($error as $err) { 706 echo "<li>$err</li>"; 707 } 708 echo '</ul>'; 709 } 710 }
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