www.gusucode.com > Aycms自媒体建站系统PHP版 v1.0.1源码程序 > Aycms_v1.0.1/vendor/thinkphp/library/think/route/RuleItem.php
<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think\route;
use think\Container;
use think\Exception;
use think\Route;
class RuleItem extends Rule
{
protected $hasSetRule;
/**
* 架构函数
* @access public
* @param Route $router 路由实例
* @param RuleGroup $parent 上级对象
* @param string $name 路由标识
* @param string|array $rule 路由规则
* @param string|\Closure $route 路由地址
* @param string $method 请求类型
* @param array $option 路由参数
* @param array $pattern 变量规则
*/
public function __construct(Route $router, RuleGroup $parent, $name, $rule, $route, $method = '*', $option = [], $pattern = [])
{
$this->router = $router;
$this->parent = $parent;
$this->name = $name;
$this->route = $route;
$this->method = $method;
$this->option = $option;
$this->pattern = $pattern;
$this->setRule($rule);
if (!empty($option['cross_domain'])) {
$this->router->setCrossDomainRule($this, $method);
}
}
/**
* 路由规则预处理
* @access public
* @param string $rule 路由规则
* @return void
*/
public function setRule($rule)
{
if ('$' == substr($rule, -1, 1)) {
// 是否完整匹配
$rule = substr($rule, 0, -1);
$this->option['complete_match'] = true;
}
$rule = '/' != $rule ? ltrim($rule, '/') : '';
if ($this->parent && $prefix = $this->parent->getFullName()) {
$rule = $prefix . ($rule ? '/' . ltrim($rule, '/') : '');
}
if (false !== strpos($rule, ':')) {
$this->rule = preg_replace(['/\[\:(\w+)\]/', '/\:(\w+)/'], ['<\1?>', '<\1>'], $rule);
} else {
$this->rule = $rule;
}
// 生成路由标识的快捷访问
$this->setRuleName();
}
/**
* 检查后缀
* @access public
* @param string $ext
* @return $this
*/
public function ext($ext = '')
{
$this->option('ext', $ext);
$this->setRuleName(true);
return $this;
}
/**
* 设置别名
* @access public
* @param string $name
* @return $this
*/
public function name($name)
{
$this->name = $name;
$this->setRuleName(true);
return $this;
}
/**
* 设置路由标识 用于URL反解生成
* @access protected
* @param bool $first 是否插入开头
* @return void
*/
protected function setRuleName($first = false)
{
if ($this->name) {
$vars = $this->parseVar($this->rule);
$name = strtolower($this->name);
if (isset($this->option['ext'])) {
$suffix = $this->option['ext'];
} elseif ($this->parent->getOption('ext')) {
$suffix = $this->parent->getOption('ext');
} else {
$suffix = null;
}
$value = [$this->rule, $vars, $this->parent->getDomain(), $suffix, $this->method];
Container::get('rule_name')->set($name, $value, $first);
}
if (!$this->hasSetRule) {
Container::get('rule_name')->setRule($this->rule, $this);
$this->hasSetRule = true;
}
}
/**
* 检测路由
* @access public
* @param Request $request 请求对象
* @param string $url 访问地址
* @param array $match 匹配路由变量
* @param bool $completeMatch 路由是否完全匹配
* @return Dispatch|false
*/
public function checkRule($request, $url, $match = null, $completeMatch = false)
{
// 检查参数有效性
if (!$this->checkOption($this->option, $request)) {
return false;
}
// 合并分组参数
$option = $this->mergeGroupOptions();
$url = $this->urlSuffixCheck($request, $url, $option);
if (is_null($match)) {
$match = $this->match($url, $option, $completeMatch);
}
if (false !== $match) {
if (!empty($option['cross_domain'])) {
if ($dispatch = $this->checkCrossDomain($request)) {
// 允许跨域
return $dispatch;
}
$option['header'] = $this->option['header'];
}
// 检查前置行为
if (isset($option['before']) && false === $this->checkBefore($option['before'])) {
return false;
}
return $this->parseRule($request, $this->rule, $this->route, $url, $option, $match);
}
return false;
}
/**
* 检测路由（含路由匹配）
* @access public
* @param Request $request 请求对象
* @param string $url 访问地址
* @param string $depr 路径分隔符
* @param bool $completeMatch 路由是否完全匹配
* @return Dispatch|false
*/
public function check($request, $url, $completeMatch = false)
{
return $this->checkRule($request, $url, null, $completeMatch);
}
/**
* URL后缀及Slash检查
* @access protected
* @param Request $request 请求对象
* @param string $url 访问地址
* @param array $option 路由参数
* @return string
*/
protected function urlSuffixCheck($request, $url, $option = [])
{
// 是否区分 / 地址访问
if (!empty($option['remove_slash']) && '/' != $this->rule) {
$this->rule = rtrim($this->rule, '/');
$url = rtrim($url, '|');
}
if (isset($option['ext'])) {
// 路由ext参数 优先于系统配置的URL伪静态后缀参数
$url = preg_replace('/\.(' . $request->ext() . ')$/i', '', $url);
}
return $url;
}
/**
* 检测URL和规则路由是否匹配
* @access private
* @param string $url URL地址
* @param array $option 路由参数
* @param bool $completeMatch 路由是否完全匹配
* @return array|false
*/
private function match($url, $option, $completeMatch)
{
if (isset($option['complete_match'])) {
$completeMatch = $option['complete_match'];
}
$pattern = array_merge($this->parent->getPattern(), $this->pattern);
$depr = $this->router->config('pathinfo_depr');
// 检查完整规则定义
if (isset($pattern['__url__']) && !preg_match(0 === strpos($pattern['__url__'], '/') ? $pattern['__url__'] : '/^' . $pattern['__url__'] . '/', str_replace('|', $depr, $url))) {
return false;
}
$var = [];
$url = $depr . str_replace('|', $depr, $url);
$rule = $depr . str_replace('/', $depr, $this->rule);
if ($depr == $rule && $depr != $url) {
return false;
}
if (false === strpos($rule, '<')) {
if (0 === strcasecmp($rule, $url) || (!$completeMatch && 0 === strncasecmp($rule . $depr, $url . $depr, strlen($rule . $depr)))) {
return $var;
}
return false;
}
$slash = preg_quote('/-' . $depr, '/');
if ($matchRule = preg_split('/[' . $slash . ']?<\w+\??>/', $rule, 2)) {
if ($matchRule[0] && 0 !== strncasecmp($rule, $url, strlen($matchRule[0]))) {
return false;
}
}
if (preg_match_all('/[' . $slash . ']?<?\w+\??>?/', $rule, $matches)) {
$regex = $this->buildRuleRegex($rule, $matches[0], $pattern, $option, $completeMatch);
try {
if (!preg_match('/^' . $regex . ($completeMatch ? '$' : '') . '/u', $url, $match)) {
return false;
}
} catch (\Exception $e) {
throw new Exception('route pattern error');
}
foreach ($match as $key => $val) {
if (is_string($key)) {
$var[$key] = $val;
}
}
}
// 成功匹配后返回URL中的动态变量数组
return $var;
}
}