316 lines
13 KiB
PHP
Executable File
316 lines
13 KiB
PHP
Executable File
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Think;
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/**
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* ThinkPHP路由解析类
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*/
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class Route {
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// 路由检测
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public static function check(){
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$depr = C('URL_PATHINFO_DEPR');
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$regx = preg_replace('/\.'.__EXT__.'$/i','',trim($_SERVER['PATH_INFO'],$depr));
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// 分隔符替换 确保路由定义使用统一的分隔符
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if('/' != $depr){
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$regx = str_replace($depr,'/',$regx);
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}
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// URL映射定义（静态路由）
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$maps = C('URL_MAP_RULES');
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if(isset($maps[$regx])) {
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$var = self::parseUrl($maps[$regx]);
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$_GET = array_merge($var, $_GET);
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return true;
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}
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// 动态路由处理
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$routes = C('URL_ROUTE_RULES');
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if(!empty($routes)) {
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foreach ($routes as $rule=>$route){
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if(is_numeric($rule)){
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// 支持 array('rule','adddress',...) 定义路由
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$rule = array_shift($route);
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}
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if(is_array($route) && isset($route[2])){
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// 路由参数
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$options = $route[2];
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if(isset($options['ext']) && __EXT__ != $options['ext']){
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// URL后缀检测
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continue;
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}
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if(isset($options['method']) && REQUEST_METHOD != strtoupper($options['method'])){
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// 请求类型检测
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continue;
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}
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// 自定义检测
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if(!empty($options['callback']) && is_callable($options['callback'])) {
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if(false === call_user_func($options['callback'])) {
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continue;
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}
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}
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}
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if(0===strpos($rule,'/') && preg_match($rule,$regx,$matches)) { // 正则路由
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if($route instanceof \Closure) {
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// 执行闭包
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$result = self::invokeRegx($route, $matches);
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// 如果返回布尔值 则继续执行
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return is_bool($result) ? $result : exit;
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}else{
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return self::parseRegex($matches,$route,$regx);
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}
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}else{ // 规则路由
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$len1 = substr_count($regx,'/');
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$len2 = substr_count($rule,'/');
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if($len1>=$len2 || strpos($rule,'[')) {
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if('$' == substr($rule,-1,1)) {// 完整匹配
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if($len1 != $len2) {
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continue;
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}else{
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$rule = substr($rule,0,-1);
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}
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}
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$match = self::checkUrlMatch($regx,$rule);
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if(false !== $match) {
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if($route instanceof \Closure) {
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// 执行闭包
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$result = self::invokeRule($route, $match);
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// 如果返回布尔值 则继续执行
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return is_bool($result) ? $result : exit;
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}else{
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return self::parseRule($rule,$route,$regx);
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}
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}
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}
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}
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}
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}
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return false;
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}
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// 检测URL和规则路由是否匹配
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private static function checkUrlMatch($regx,$rule) {
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$m1 = explode('/',$regx);
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$m2 = explode('/',$rule);
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$var = array();
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foreach ($m2 as $key=>$val){
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if(0 === strpos($val,'[:')){
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$val = substr($val,1,-1);
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}
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if(':' == substr($val,0,1)) {// 动态变量
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if($pos = strpos($val,'|')){
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// 使用函数过滤
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$val = substr($val,1,$pos-1);
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}
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if(strpos($val,'\\')) {
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$type = substr($val,-1);
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if('d'==$type) {
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if(isset($m1[$key]) && !is_numeric($m1[$key]))
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return false;
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}
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$name = substr($val, 1, -2);
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}elseif($pos = strpos($val,'^')){
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$array = explode('-',substr(strstr($val,'^'),1));
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if(in_array($m1[$key],$array)) {
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return false;
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}
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$name = substr($val, 1, $pos - 1);
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}else{
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$name = substr($val, 1);
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}
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$var[$name] = isset($m1[$key])?$m1[$key]:'';
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}elseif(0 !== strcasecmp($val,$m1[$key])){
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return false;
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}
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}
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// 成功匹配后返回URL中的动态变量数组
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return $var;
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}
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// 解析规范的路由地址
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// 地址格式 [控制器/操作?]参数1=值1&参数2=值2...
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private static function parseUrl($url) {
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$var = array();
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if(false !== strpos($url,'?')) { // [控制器/操作?]参数1=值1&参数2=值2...
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$info = parse_url($url);
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$path = explode('/',$info['path']);
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parse_str($info['query'],$var);
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}elseif(strpos($url,'/')){ // [控制器/操作]
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$path = explode('/',$url);
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}else{ // 参数1=值1&参数2=值2...
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parse_str($url,$var);
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}
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if(isset($path)) {
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$var[C('VAR_ACTION')] = array_pop($path);
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if(!empty($path)) {
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$var[C('VAR_CONTROLLER')] = array_pop($path);
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}
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if(!empty($path)) {
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