293 lines
8.8 KiB
PHP
293 lines
8.8 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 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\route;
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use think\Container;
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use think\Exception;
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use think\Route;
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class RuleItem extends Rule
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{
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protected $hasSetRule;
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/**
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* 架构函数
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* @access public
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* @param Route $router 路由实例
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* @param RuleGroup $parent 上级对象
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* @param string $name 路由标识
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* @param string|array $rule 路由规则
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* @param string|\Closure $route 路由地址
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* @param string $method 请求类型
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* @param array $option 路由参数
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* @param array $pattern 变量规则
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*/
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public function __construct(Route $router, RuleGroup $parent, $name, $rule, $route, $method = '*', $option = [], $pattern = [])
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{
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$this->router = $router;
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$this->parent = $parent;
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$this->name = $name;
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$this->route = $route;
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$this->method = $method;
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$this->option = $option;
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$this->pattern = $pattern;
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$this->setRule($rule);
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if (!empty($option['cross_domain'])) {
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$this->router->setCrossDomainRule($this, $method);
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}
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}
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/**
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* 路由规则预处理
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* @access public
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* @param string $rule 路由规则
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* @return void
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*/
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public function setRule($rule)
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{
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if ('$' == substr($rule, -1, 1)) {
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// 是否完整匹配
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$rule = substr($rule, 0, -1);
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$this->option['complete_match'] = true;
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}
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$rule = '/' != $rule ? ltrim($rule, '/') : '';
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if ($this->parent && $prefix = $this->parent->getFullName()) {
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$rule = $prefix . ($rule ? '/' . ltrim($rule, '/') : '');
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}
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if (false !== strpos($rule, ':')) {
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$this->rule = preg_replace(['/\[\:(\w+)\]/', '/\:(\w+)/'], ['<\1?>', '<\1>'], $rule);
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} else {
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$this->rule = $rule;
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}
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// 生成路由标识的快捷访问
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$this->setRuleName();
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}
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/**
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* 检查后缀
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* @access public
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* @param string $ext
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* @return $this
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*/
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public function ext($ext = '')
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{
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$this->option('ext', $ext);
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$this->setRuleName(true);
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return $this;
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}
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/**
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* 设置别名
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* @access public
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* @param string $name
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* @return $this
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*/
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public function name($name)
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{
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$this->name = $name;
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$this->setRuleName(true);
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return $this;
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}
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/**
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* 设置路由标识 用于URL反解生成
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* @access protected
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* @param bool $first 是否插入开头
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* @return void
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*/
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protected function setRuleName($first = false)
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{
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if ($this->name) {
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$vars = $this->parseVar($this->rule);
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$name = strtolower($this->name);
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if (isset($this->option['ext'])) {
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$suffix = $this->option['ext'];
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} elseif ($this->parent->getOption('ext')) {
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$suffix = $this->parent->getOption('ext');
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} else {
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$suffix = null;
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}
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$value = [$this->rule, $vars, $this->parent->getDomain(), $suffix, $this->method];
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Container::get('rule_name')->set($name, $value, $first);
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}
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if (!$this->hasSetRule) {
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Container::get('rule_name')->setRule($this->rule, $this);
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$this->hasSetRule = true;
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}
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}
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/**
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* 检测路由
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* @access public
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* @param Request $request 请求对象
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* @param string $url 访问地址
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* @param array $match 匹配路由变量
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* @param bool $completeMatch 路由是否完全匹配
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* @return Dispatch|false
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*/
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public function checkRule($request, $url, $match = null, $completeMatch = false)
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{
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// 检查参数有效性
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if (!$this->checkOption($this->option, $request)) {
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return false;
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}
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// 合并分组参数
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$option = $this->mergeGroupOptions();
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$url = $this->urlSuffixCheck($request, $url, $option);
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if (is_null($match)) {
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$match = $this->match($url, $option, $completeMatch);
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}
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if (false !== $match) {
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if (!empty($option['cross_domain'])) {
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if ($dispatch = $this->checkCrossDomain($request)) {
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// 允许跨域
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return $dispatch;
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}
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$option['header'] = $this->option['header'];
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}
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// 检查前置行为
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if (isset($option['before']) && false === $this->checkBefore($option['before'])) {
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return false;
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}
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return $this->parseRule($request, $this->rule, $this->route, $url, $option, $match);
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}
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return false;
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}
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/**
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* 检测路由（含路由匹配）
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* @access public
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* @param Request $request 请求对象
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* @param string $url 访问地址
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* @param string $depr 路径分隔符
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* @param bool $completeMatch 路由是否完全匹配
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* @return Dispatch|false
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*/
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public function check($request, $url, $completeMatch = false)
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{
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return $this->checkRule($request, $url, null, $completeMatch);
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}
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/**
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* URL后缀及Slash检查
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* @access protected
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* @param Request $request 请求对象
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* @param string $url 访问地址
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* @param array $option 路由参数
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* @return string
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*/
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protected function urlSuffixCheck($request, $url, $option = [])
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{
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// 是否区分 / 地址访问
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if (!empty($option['remove_slash']) && '/' != $this->rule) {
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$this->rule = rtrim($this->rule, '/');
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$url = rtrim($url, '|');
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}
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if (isset($option['ext'])) {
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// 路由ext参数 优先于系统配置的URL伪静态后缀参数
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$url = preg_replace('/\.(' . $request->ext() . ')$/i', '', $url);
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}
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return $url;
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}
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/**
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* 检测URL和规则路由是否匹配
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* @access private
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* @param string $url URL地址
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* @param array $option 路由参数
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* @param bool $completeMatch 路由是否完全匹配
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* @return array|false
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*/
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private function match($url, $option, $completeMatch)
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{
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if (isset($option['complete_match'])) {
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$completeMatch = $option['complete_match'];
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}
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$pattern = array_merge($this->parent->getPattern(), $this->pattern);
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$depr = $this->router->config('pathinfo_depr');
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// 检查完整规则定义
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if (isset($pattern['__url__']) && !preg_match(0 === strpos($pattern['__url__'], '/') ? $pattern['__url__'] : '/^' . $pattern['__url__'] . '/', str_replace('|', $depr, $url))) {
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return false;
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}
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$var = [];
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$url = $depr . str_replace('|', $depr, $url);
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$rule = $depr . str_replace('/', $depr, $this->rule);
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if ($depr == $rule && $depr != $url) {
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return false;
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}
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if (false === strpos($rule, '<')) {
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if (0 === strcasecmp($rule, $url) || (!$completeMatch && 0 === strncasecmp($rule . $depr, $url . $depr, strlen($rule . $depr)))) {
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return $var;
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}
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return false;
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}
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$slash = preg_quote('/-' . $depr, '/');
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if ($matchRule = preg_split('/[' . $slash . ']?<\w+\??>/', $rule, 2)) {
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if ($matchRule[0] && 0 !== strncasecmp($rule, $url, strlen($matchRule[0]))) {
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return false;
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}
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}
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if (preg_match_all('/[' . $slash . ']?<?\w+\??>?/', $rule, $matches)) {
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$regex = $this->buildRuleRegex($rule, $matches[0], $pattern, $option, $completeMatch);
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try {
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if (!preg_match('/^' . $regex . ($completeMatch ? '$' : '') . '/u', $url, $match)) {
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return false;
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}
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} catch (\Exception $e) {
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throw new Exception('route pattern error');
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}
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foreach ($match as $key => $val) {
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if (is_string($key)) {
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$var[$key] = $val;
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}
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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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}
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