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Dispatcher.php
192 lines (184 loc) · 7.84 KB
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Dispatcher.php
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<?php
/// Copyright (c) 2004-2011, Needlworks / Tatter Network Foundation
/// All rights reserved. Licensed under the GPL.
/// See the GNU General Public License for more details. (/documents/LICENSE, /documents/COPYRIGHT)
final class Dispatcher {
private static $instances = array();
public $uri, $interfacePath;
protected function __construct() {
$this->URIinterpreter();
}
final protected static function _getInstance($className) {
if (!array_key_exists($className, self::$instances)) {
self::$instances[$className] = new $className();
}
return self::$instances[$className];
}
public static function getInstance() {
return self::_getInstance(__CLASS__);
}
private function URIinterpreter() {
global $service;
/* Workaround for IIS environment */
if(!isset($_SERVER['REQUEST_URI']) && isset($_SERVER['SCRIPT_NAME'])) {
$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'];
if(isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) $_SERVER['REQUEST_URI'] .= '?'.$_SERVER['QUERY_STRING'];
}
if (!empty($_SERVER['PRELOAD_CONFIG']) && file_exists(ROOT.'/config.php')) require_once ROOT."/config.php";
// IIS 7.0 and URL Rewrite Module CTP, but non-ASCII URLs are NOT supported.
if (isset($_SERVER['HTTP_X_ORIGINAL_URL'])) {
$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
} // IIS 5.x/6.0/7.0 and Ionics ISAPI Rewrite Filter
else if (isset($_SERVER['HTTP_X_REWRITE_URL']) && strpos($_SERVER['REQUEST_URI'], 'rewrite.php') !== FALSE) {
$_SERVER['REQUEST_URI'] = urldecode($_SERVER['HTTP_X_REWRITE_URL']);
}
/* Retrieve Access Parameter Information. */
$uri = array(
'host' => $_SERVER['HTTP_HOST'],
'fullpath' => str_replace('index.php', '', $_SERVER["REQUEST_URI"]),
'position' => $_SERVER["SCRIPT_NAME"],
'root' => rtrim(str_replace('rewrite.php', '', $_SERVER["SCRIPT_NAME"]), 'index.php')
);
if (strpos($uri['fullpath'],$uri['root']) !== 0)
$uri['fullpath'] = $uri['root'].substr($uri['fullpath'], strlen($uri['root']) - 1);
// Workaround for compartibility with fastCGI / Other environment
$uri['input'] = ltrim(substr($uri['fullpath'],
strlen($uri['root']) + (defined('__TEXTCUBE_NO_FANCY_URL__') ? 1 : 0)),'/');
// Support Tattertools 0.9x legacy address (for upgrade users)
if (array_key_exists('pl', $_GET) && strval(intval($_GET['pl'])) == $_GET['pl']) { header("Location: ".$uri['root'].$_GET['pl']); exit;}
$part = strtok($uri['input'], '/');
if (in_array($part, array('resources','plugins','cache','skin','attach','thumbnail'))) {
$part = ltrim(rtrim($part == 'thumbnail' ?
preg_replace('/thumbnail/', 'cache/thumbnail', $uri['input'], 1) :
$uri['input']), '/');
$part = (($qpos = strpos($part, '?')) !== false) ? substr($part, 0, $qpos) : $part;
if(file_exists($part)) {
require_once ROOT.'/library/function/file.php';
dumpWithEtag($part);
exit;
} else {
header("HTTP/1.0 404 Not Found");exit;
}
}
if (strtok($part, '?') == 'setup.php') {require 'setup.php'; exit;}
$uri['fragment'] = explode('/',strtok($uri['input'],'?'));
unset($part);
/* Check the existence of config.php (whether installed or not) */
if (!file_exists(ROOT.'/config.php')) {
if (file_exists('.htaccess')) {print "<html><body>Remove '.htaccess' file first!</body></html>";exit;}
header("Location: " . rtrim($_SERVER["REQUEST_URI"],"/") . "/setup.php");
}
/* Determine that which interface should be loaded. */
require_once ROOT.'/config.php';
if(defined('__TEXTCUBE_NO_FANCY_URL__')) $service['type'] = 'single';
switch ($service['type']) {
case 'path': // For path-based multi blog.
array_splice($uri['fragment'],0,1);
$pathPart = ltrim(rtrim(strtok(strstr($uri['input'],'/'), '?'), '/'), '/');
break;
case 'single':
$pathPart = (strpos($uri['input'],'?') !== 0 ? ltrim(rtrim(strtok($uri['input'], '?'), '/'), '/') : '');
break;
case 'domain': default:
$pathPart = ltrim(rtrim(strtok($uri['fullpath'], '?'), '/'), '/');
if(!empty($service['path'])) $pathPart = ltrim($pathPart,$service['path']);
break;
}
$pathPart = strtok($pathPart,'&');
// Determine interface Type
if (isset($uri['fragment'][0])) {
if (isset($uri['fragment'][1]) &&
($uri['fragment'][0] == 'owner') &&
($uri['fragment'][1] == 'reader' || ($uri['fragment'][1] == 'network' && isset($uri['fragment'][2]) && $uri['fragment'][2] == 'reader'))) {
$uri['interfaceType'] = 'reader';
} else {
switch($uri['fragment'][0]) {
case 'feeder':
$uri['interfaceType'] = 'feeder';
break;
case 'owner': case 'control':
$uri['interfaceType'] = 'owner';
break;
case 'favicon.ico':
case 'index.gif':
$uri['interfaceType'] = 'icon';
break;
case 'i':case 'm':
$uri['interfaceType'] = 'mobile';
break;
case 'checkup':
$uri['interfaceType'] = 'checkup';
break;
default:
$uri['interfaceType'] = 'blog';
break;
}
}
} else {
$uri['interfaceType'] = 'blog';
}
/* Load interface. */
$interfacePath = null;
if ($uri['interfaceType'] == 'icon') {
$uri['interfacePath'] = $this->interfacePath = 'interface/'.$pathPart.'.php';
} else {
if (!empty($uri['fragment'])) {
if (is_numeric(strtok(end($uri['fragment']), '&'))) {
array_pop($uri['fragment']);
$pathPart = count($uri['fragment'])==1 ? null : implode('/', $uri['fragment']);
}
if(isset($uri['fragment'][0])) {
switch($uri['fragment'][0]) {
case 'api': case 'archive': case 'attachment': case 'author':
case 'category': case 'cfeed': case 'checkup': case 'cover': case 'cron':
case 'entry': case 'feeder': case 'foaf': case 'guestbook': case 'iMazing':
case 'keylog': case 'line': case 'location': case 'locationSuggest':
case 'logout': case 'notice': case 'page': case 'plugin': case 'pluginForOwner':
case 'search': case 'stream': case 'suggest': case 'tag': case 'ttxml':
$pathPart = $uri['fragment'][0];
$interfacePath = 'interface/blog/'.$pathPart.'.php';
break;
case 'rss': case 'atom':
if(isset($uri['fragment'][1]) && in_array($uri['fragment'][1],array('archive','author','category','comment','line','notifyComment','response','search','tag','trackback'))) {
$pathPart = $uri['fragment'][0].'/'.$uri['fragment'][1];
$interfacePath = 'interface/'.$pathPart.'/index.php';
}
break;
case 'login': case 'logout': case 'owner': case 'control':
break;
case 'comment': case 'trackback':
$pathPart = implode("/",$uri['fragment']);
$interfacePath = 'interface/blog/'.$pathPart.'/index.php';
break;
case 'i': case 'm':
if(isset($uri['fragment'][1])) {
if(in_array($uri['fragment'][1],array('archive','category','entry','guestbook','imageResizer','link','login','logout','pannels','protected','search','tag','trackback'))) {
$pathPart = $uri['fragment'][0].'/'.$uri['fragment'][1];
} else if($uri['fragment'][1] == 'comment') {
$pathPart = $uri['fragment'][0].'/'.$uri['fragment'][1].(isset($uri['fragment'][2]) ? '/'.$uri['fragment'][2] : '').(isset($uri['fragment'][3]) ? '/'.$uri['fragment'][3] : '');
}
} else {
$pathPart = $uri['fragment'][0];
}
$interfacePath = 'interface/'.$pathPart.'/index.php';
break;
default:
if(!empty($uri['fragment'][0])) {
$pathPart = '';
$interfacePath = 'interface/page.php';
}
}
}
}
if (empty($interfacePath)) $interfacePath = 'interface/'.(empty($pathPart) ? '' : $pathPart.'/').'index.php';
define('PATH', 'interface/'.(empty($pathPart) ? '' : $pathPart.'/'));
unset($pathPart);
if (!file_exists($interfacePath)) {
header("HTTP/1.0 404 Not Found");exit;
}
$uri['interfacePath'] = $this->interfacePath = $interfacePath;
}
$this->uri = $uri;
}
}
?>