<?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) 2006~2023 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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declare(strict_types=1);
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namespace think\route\dispatch;
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use think\exception\HttpException;
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use think\helper\Str;
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use think\Request;
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use think\route\Rule;
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/**
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* Url Dispatcher
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*/
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class Url extends Controller
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{
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public function __construct(Request $request, Rule $rule, $dispatch)
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{
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$this->request = $request;
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$this->rule = $rule;
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// 解析默认的URL规则
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$dispatch = $this->parseUrl($dispatch);
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parent::__construct($request, $rule, $dispatch, $this->param);
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}
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/**
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* 解析URL地址
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* @access protected
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* @param string $url URL
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* @return array
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*/
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protected function parseUrl(string $url): array
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{
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$depr = $this->rule->config('pathinfo_depr');
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$bind = $this->rule->getRouter()->getDomainBind();
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if ($bind && preg_match('/^[a-z]/is', $bind)) {
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$bind = str_replace('/', $depr, $bind);
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// 如果有域名绑定
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$url = $bind . (!str_ends_with($bind, '.') ? $depr : '') . ltrim($url, $depr);
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}
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$path = $this->rule->parseUrlPath($url);
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if (empty($path)) {
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return [null, null];
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}
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// 解析控制器
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$controller = !empty($path) ? array_shift($path) : null;
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if ($controller && !preg_match('/^[A-Za-z0-9][\w|\.]*$/', $controller)) {
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throw new HttpException(404, 'controller not exists:' . $controller);
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}
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// 解析操作
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$action = !empty($path) ? array_shift($path) : null;
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$var = [];
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// 解析额外参数
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if ($path) {
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preg_replace_callback('/(\w+)\|([^\|]+)/', function ($match) use (&$var) {
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$var[$match[1]] = strip_tags($match[2]);
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}, implode('|', $path));
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}
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$panDomain = $this->request->panDomain();
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if ($panDomain && $key = array_search('*', $var)) {
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// 泛域名赋值
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$var[$key] = $panDomain;
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}
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// 设置当前请求的参数
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$this->param = $var;
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// 封装路由
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$route = [$controller, $action];
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if ($this->hasDefinedRoute($route)) {
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throw new HttpException(404, 'invalid request:' . str_replace('|', $depr, $url));
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}
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return $route;
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}
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/**
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* 检查URL是否已经定义过路由
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* @access protected
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* @param array $route 路由信息
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* @return bool
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*/
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protected function hasDefinedRoute(array $route): bool
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{
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[$controller, $action] = $route;
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// 检查地址是否被定义过路由
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$name = strtolower(Str::studly($controller) . '/' . $action);
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$host = $this->request->host(true);
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$method = $this->request->method();
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if ($this->rule->getRouter()->getName($name, $host, $method)) {
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return true;
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}
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return false;
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}
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}
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