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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
- namespace Think;
- /**
- * ThinkPHP API模式的Dispatcher类
- * 完成URL解析、路由和调度
- */
- class Dispatcher
- {
- /**
- * URL映射到控制器
- * @access public
- * @return void
- */
- public static function dispatch()
- {
- $varPath = C('VAR_PATHINFO');
- $varModule = C('VAR_MODULE');
- $varController = C('VAR_CONTROLLER');
- $varAction = C('VAR_ACTION');
- $urlCase = C('URL_CASE_INSENSITIVE');
- if (isset($_GET[$varPath])) {
- // 判断URL里面是否有兼容模式参数
- $_SERVER['PATH_INFO'] = $_GET[$varPath];
- unset($_GET[$varPath]);
- } elseif (IS_CLI) {
- // CLI模式下 index.php module/controller/action/params/...
- $_SERVER['PATH_INFO'] = isset($_SERVER['argv'][1]) ? $_SERVER['argv'][1] : '';
- }
- // 开启子域名部署
- if (C('APP_SUB_DOMAIN_DEPLOY')) {
- $rules = C('APP_SUB_DOMAIN_RULES');
- if (isset($rules[$_SERVER['HTTP_HOST']])) {
- // 完整域名或者IP配置
- define('APP_DOMAIN', $_SERVER['HTTP_HOST']); // 当前完整域名
- $rule = $rules[APP_DOMAIN];
- } else {
- if (strpos(C('APP_DOMAIN_SUFFIX'), '.')) {
- // com.cn net.cn
- $domain = array_slice(explode('.', $_SERVER['HTTP_HOST']), 0, -3);
- } else {
- $domain = array_slice(explode('.', $_SERVER['HTTP_HOST']), 0, -2);
- }
- if (!empty($domain)) {
- $subDomain = implode('.', $domain);
- define('SUB_DOMAIN', $subDomain); // 当前完整子域名
- $domain2 = array_pop($domain); // 二级域名
- if ($domain) {
- // 存在三级域名
- $domain3 = array_pop($domain);
- }
- if (isset($rules[$subDomain])) {
- // 子域名
- $rule = $rules[$subDomain];
- } elseif (isset($rules['*.' . $domain2]) && !empty($domain3)) {
- // 泛三级域名
- $rule = $rules['*.' . $domain2];
- $panDomain = $domain3;
- } elseif (isset($rules['*']) && !empty($domain2) && 'www' != $domain2) {
- // 泛二级域名
- $rule = $rules['*'];
- $panDomain = $domain2;
- }
- }
- }
- if (!empty($rule)) {
- // 子域名部署规则 '子域名'=>array('模块名[/控制器名]','var1=a&var2=b');
- if (is_array($rule)) {
- list($rule, $vars) = $rule;
- }
- $array = explode('/', $rule);
- // 模块绑定
- define('BIND_MODULE', array_shift($array));
- // 控制器绑定
- if (!empty($array)) {
- $controller = array_shift($array);
- if ($controller) {
- define('BIND_CONTROLLER', $controller);
- }
- }
- if (isset($vars)) {
- // 传入参数
- parse_str($vars, $parms);
- if (isset($panDomain)) {
- $pos = array_search('*', $parms);
- if (false !== $pos) {
- // 泛域名作为参数
- $parms[$pos] = $panDomain;
- }
- }
- $_GET = array_merge($_GET, $parms);
- }
- }
- }
- // 分析PATHINFO信息
- if (!isset($_SERVER['PATH_INFO'])) {
- $types = explode(',', C('URL_PATHINFO_FETCH'));
- foreach ($types as $type) {
- if (!empty($_SERVER[$type])) {
- $_SERVER['PATH_INFO'] = (0 === strpos($_SERVER[$type], $_SERVER['SCRIPT_NAME'])) ?
- substr($_SERVER[$type], strlen($_SERVER['SCRIPT_NAME'])) : $_SERVER[$type];
- break;
- }
- }
- }
- if (empty($_SERVER['PATH_INFO'])) {
- $_SERVER['PATH_INFO'] = '';
- }
- $depr = C('URL_PATHINFO_DEPR');
- define('MODULE_PATHINFO_DEPR', $depr);
- define('__INFO__', trim($_SERVER['PATH_INFO'], '/'));
- // URL后缀
- define('__EXT__', strtolower(pathinfo($_SERVER['PATH_INFO'], PATHINFO_EXTENSION)));
- $_SERVER['PATH_INFO'] = __INFO__;
- if (__INFO__ && C('MULTI_MODULE') && !defined('BIND_MODULE')) {
- // 获取模块名
- $paths = explode($depr, __INFO__, 2);
- $allowList = C('MODULE_ALLOW_LIST'); // 允许的模块列表
- $module = preg_replace('/\.' . __EXT__ . '$/i', '', $paths[0]);
- if (empty($allowList) || (is_array($allowList) && in_array_case($module, $allowList))) {
- $_GET[$varModule] = $module;
- $_SERVER['PATH_INFO'] = isset($paths[1]) ? $paths[1] : '';
- }
- }
- // 获取模块名称
- define('MODULE_NAME', defined('BIND_MODULE') ? BIND_MODULE : self::getModule($varModule));
- // 检测模块是否存在
- if (MODULE_NAME && (defined('BIND_MODULE') || !in_array_case(MODULE_NAME, C('MODULE_DENY_LIST'))) && is_dir(APP_PATH . MODULE_NAME)) {
- // 定义当前模块路径
- define('MODULE_PATH', APP_PATH . MODULE_NAME . '/');
- // 定义当前模块的模版缓存路径
- C('CACHE_PATH', CACHE_PATH . MODULE_NAME . '/');
- // 加载模块配置文件
- if (is_file(MODULE_PATH . 'Conf/config.php')) {
- C(include MODULE_PATH . 'Conf/config.php');
- }
- // 加载模块别名定义
- if (is_file(MODULE_PATH . 'Conf/alias.php')) {
- Think::addMap(include MODULE_PATH . 'Conf/alias.php');
- }
- // 加载模块函数文件
- if (is_file(MODULE_PATH . 'Common/function.php')) {
- include MODULE_PATH . 'Common/function.php';
- }
- } else {
- E(L('_MODULE_NOT_EXIST_') . ':' . MODULE_NAME);
- }
- if ('' != $_SERVER['PATH_INFO'] && (!C('URL_ROUTER_ON') || !Route::check())) {
- // 检测路由规则 如果没有则按默认规则调度URL
- // 检查禁止访问的URL后缀
- if (C('URL_DENY_SUFFIX') && preg_match('/\.(' . trim(C('URL_DENY_SUFFIX'), '.') . ')$/i', $_SERVER['PATH_INFO'])) {
- send_http_status(404);
- exit;
- }
- // 去除URL后缀
- $_SERVER['PATH_INFO'] = preg_replace(C('URL_HTML_SUFFIX') ? '/\.(' . trim(C('URL_HTML_SUFFIX'), '.') . ')$/i' : '/\.' . __EXT__ . '$/i', '', $_SERVER['PATH_INFO']);
- $depr = C('URL_PATHINFO_DEPR');
- $paths = explode($depr, trim($_SERVER['PATH_INFO'], $depr));
- if (!defined('BIND_CONTROLLER')) {
- // 获取控制器
- $_GET[$varController] = array_shift($paths);
- }
- // 获取操作
- if (!defined('BIND_ACTION')) {
- $_GET[$varAction] = array_shift($paths);
- }
- // 解析剩余的URL参数
- $var = array();
- if (C('URL_PARAMS_BIND') && 1 == C('URL_PARAMS_BIND_TYPE')) {
- // URL参数按顺序绑定变量
- $var = $paths;
- } else {
- preg_replace_callback('/(\w+)\/([^\/]+)/', function ($match) use (&$var) {$var[$match[1]] = strip_tags($match[2]);}, implode('/', $paths));
- }
- $_GET = array_merge($var, $_GET);
- }
- // 获取控制器和操作名
- define('CONTROLLER_NAME', defined('BIND_CONTROLLER') ? BIND_CONTROLLER : self::getController($varController, $urlCase));
- define('ACTION_NAME', defined('BIND_ACTION') ? BIND_ACTION : self::getAction($varAction, $urlCase));
- //保证$_REQUEST正常取值
- $_REQUEST = array_merge($_POST, $_GET);
- }
- /**
- * 获得实际的控制器名称
- */
- private static function getController($var, $urlCase)
- {
- $controller = (!empty($_GET[$var]) ? $_GET[$var] : C('DEFAULT_CONTROLLER'));
- unset($_GET[$var]);
- if ($urlCase) {
- // URL地址不区分大小写
- // 智能识别方式 user_type 识别到 UserTypeController 控制器
- $controller = parse_name($controller, 1);
- }
- return strip_tags(ucfirst($controller));
- }
- /**
- * 获得实际的操作名称
- */
- private static function getAction($var, $urlCase)
- {
- $action = !empty($_POST[$var]) ?
- $_POST[$var] :
- (!empty($_GET[$var]) ? $_GET[$var] : C('DEFAULT_ACTION'));
- unset($_POST[$var], $_GET[$var]);
- return strip_tags($urlCase ? strtolower($action) : $action);
- }
- /**
- * 获得实际的模块名称
- */
- private static function getModule($var)
- {
- $module = (!empty($_GET[$var]) ? $_GET[$var] : C('DEFAULT_MODULE'));
- unset($_GET[$var]);
- if ($maps = C('URL_MODULE_MAP')) {
- if (isset($maps[strtolower($module)])) {
- // 记录当前别名
- define('MODULE_ALIAS', strtolower($module));
- // 获取实际的模块名
- return ucfirst($maps[MODULE_ALIAS]);
- } elseif (array_search(strtolower($module), $maps)) {
- // 禁止访问原始模块
- return '';
- }
- }
- return strip_tags(ucfirst(strtolower($module)));
- }
- }
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