Passed
Push — 8.0 ( d0e1cd...7f09d5 )
by liu
02:13
created

RuleItem::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 10
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 1

Importance

Changes 0
Metric Value
cc 1
eloc 7
c 0
b 0
f 0
nc 1
nop 6
dl 0
loc 10
ccs 8
cts 8
cp 1
crap 1
rs 10
1
<?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 <[email protected]>
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// +----------------------------------------------------------------------
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declare (strict_types = 1);
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namespace think\route;
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use think\Exception;
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use think\facade\Validate;
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use think\Request;
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use think\Route;
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/**
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 * 路由规则类
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 */
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class RuleItem extends Rule
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{
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    /**
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     * 是否为MISS规则
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     * @var bool
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     */
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    protected $miss = false;
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    /**
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     * 是否为额外自动注册的OPTIONS规则
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     * @var bool
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     */
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    protected $autoOption = false;
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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            $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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     */
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    public function __construct(Route $router, RuleGroup $parent, ?string $name = null, string $rule = '', $route = null, string $method = '*')
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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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        $this->setRule($rule);
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        $this->router->setRule($this->rule, $this);
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    }
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    /**
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     * 设置当前路由规则为MISS路由
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     * @access public
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     * @return $this
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     */
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    public function setMiss()
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    {
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        $this->miss = true;
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        return $this;
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    }
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    /**
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     * 判断当前路由规则是否为MISS路由
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     * @access public
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     * @return bool
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     */
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    public function isMiss(): bool
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    {
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        return $this->miss;
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    }
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    /**
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     * 获取当前路由的URL后缀
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     * @access public
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     * @return string|null
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     */
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    public function getSuffix(): ?string
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    {
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        if (isset($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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        }
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        return $suffix ?? null;
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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(string $rule): void
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    {
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        if (str_ends_with($rule, '$')) {
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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($rule, '/') : '');
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        }
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        if (str_contains($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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     * 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(string $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(bool $first = false): void
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    {
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        if ($this->name) {
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            $this->router->setName($this->name, $this, $first);
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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 $request, string $url, ?array $match = null, bool $completeMatch = false)
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    {
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        // 检查参数有效性
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        if (!$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->getOption();
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        $pattern = $this->getPattern();
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        $url     = $this->urlSuffixCheck($request, $url, $option);
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        if (is_null($match)) {
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            $match = $this->checkMatch($url, $option, $pattern, $completeMatch);
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        }
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        if (false !== $match) {
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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  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 $request, string $url, bool $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 $request, string $url, array $option = []): string
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    {
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        // 是否区分 / 地址访问
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        if (!empty($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  array     $pattern   变量规则
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     * @param  bool      $completeMatch   是否完全匹配
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     * @return array|false
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     */
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    private function checkMatch(string $url, array $option, array $pattern, bool $completeMatch)
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    {
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        if (isset($option['complete_match'])) {
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            $completeMatch = $option['complete_match'];
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        }
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        $depr = $this->config('pathinfo_depr');
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        if (isset($option['case_sensitive'])) {
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            $case = $option['case_sensitive'];
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        } else {
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            $case = $this->config('url_case_sensitive');
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        }
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        // 检查完整规则定义
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        if (isset($pattern['__url__']) && !preg_match(str_starts_with($pattern['__url__'], '/') ? $pattern['__url__'] : '/^' . $pattern['__url__'] . ($completeMatch ? '$' : '') . '/', 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 != $url) {
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            return false;
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        }
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        if (!str_contains($rule, '<')) {
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            if ($case && (0 === strcmp($rule, $url) || (!$completeMatch && 0 === strncmp($rule . $depr, $url . $depr, strlen($rule . $depr))))) {
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                return $var;
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            } elseif (!$case && (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('~^' . $regex . '~u' . ($case ? '' : 'i'), $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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                    if (isset($option['var_rule'][$key]) && !Validate::checkRule($val, $option['var_rule'][$key])) {
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                        // 检查变量
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                        return false;
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                    }
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                    $var[$key] = $val;
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                }
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            }
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        }
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        if (!empty($option['default'])) {
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            // 可选路由变量设置默认值
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            foreach ($option['default'] as $name => $default) {
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                if (!isset($var[$name])) {
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                    $var[$name] = $default;
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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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     * 设置路由所属分组(用于注解路由)
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     * @access public
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     * @param  string $name 分组名称或者标识
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     * @return $this
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     */
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    public function group(string $name)
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    {
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        $group = $this->router->getRuleName()->getGroup($name);
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        if ($group) {
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            $this->parent = $group;
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            $this->setRule($this->rule);
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        }
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        return $this;
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    }
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}
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