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thinkphp/library/think/route/RuleGroup.php Normal file
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<?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\Request;
use think\Response;
use think\Route;
use think\route\dispatch\Response as ResponseDispatch;
use think\route\dispatch\Url as UrlDispatch;
class RuleGroup extends Rule
{
// 分组路由（包括子分组）
protected $rules = [
'*' => [],
'get' => [],
'post' => [],
'put' => [],
'patch' => [],
'delete' => [],
'head' => [],
'options' => [],
];
// MISS路由
protected $miss;
// 自动路由
protected $auto;
// 完整名称
protected $fullName;
// 所在域名
protected $domain;
/**
* 架构函数
* @access public
* @param Route $router 路由对象
* @param RuleGroup $parent 上级对象
* @param string $name 分组名称
* @param mixed $rule 分组路由
* @param array $option 路由参数
* @param array $pattern 变量规则
*/
public function __construct(Route $router, RuleGroup $parent = null, $name = '', $rule = [], $option = [], $pattern = [])
{
$this->router = $router;
$this->parent = $parent;
$this->rule = $rule;
$this->name = trim($name, '/');
$this->option = $option;
$this->pattern = $pattern;
$this->setFullName();
if ($this->parent) {
$this->domain = $this->parent->getDomain();
$this->parent->addRuleItem($this);
}
if (!empty($option['cross_domain'])) {
$this->router->setCrossDomainRule($this);
}
if ($router->isTest()) {
$this->lazy(false);
}
}
/**
* 设置分组的路由规则
* @access public
* @return void
*/
protected function setFullName()
{
if (false !== strpos($this->name, ':')) {
$this->name = preg_replace(['/\[\:(\w+)\]/', '/\:(\w+)/'], ['<\1?>', '<\1>'], $this->name);
}
if ($this->parent && $this->parent->getFullName()) {
$this->fullName = $this->parent->getFullName() . ($this->name ? '/' . $this->name : '');
} else {
$this->fullName = $this->name;
}
}
/**
* 获取所属域名
* @access public
* @return string
*/
public function getDomain()
{
return $this->domain;
}
/**
* 检测分组路由
* @access public
* @param Request $request 请求对象
* @param string $url 访问地址
* @param bool $completeMatch 路由是否完全匹配
* @return Dispatch|false
*/
public function check($request, $url, $completeMatch = false)
{
// 跨域OPTIONS请求
if ($dispatch = $this->checkCrossDomain($request)) {
return $dispatch;
}
// 检查分组有效性
if (!$this->checkOption($this->option, $request) || !$this->checkUrl($url)) {
return false;
}
// 检查前置行为
if (isset($this->option['before'])) {
if (false === $this->checkBefore($this->option['before'])) {
return false;
}
unset($this->option['before']);
}
// 解析分组路由
if ($this instanceof Resource) {
$this->buildResourceRule();
} elseif ($this->rule) {
if ($this->rule instanceof Response) {
return new ResponseDispatch($request, $this, $this->rule);
}
$this->parseGroupRule($this->rule);
}
// 获取当前路由规则
$method = strtolower($request->method());
$rules = $this->getMethodRules($method);
if ($this->parent) {
// 合并分组参数
$this->mergeGroupOptions();
// 合并分组变量规则
$this->pattern = array_merge($this->parent->getPattern(), $this->pattern);
}
if (isset($this->option['complete_match'])) {
$completeMatch = $this->option['complete_match'];
}
if (!empty($this->option['merge_rule_regex'])) {
// 合并路由正则规则进行路由匹配检查
$result = $this->checkMergeRuleRegex($request, $rules, $url, $completeMatch);
if (false !== $result) {
return $result;
}
}
// 检查分组路由
foreach ($rules as $key => $item) {
$result = $item->check($request, $url, $completeMatch);
if (false !== $result) {
return $result;
}
}
if ($this->auto) {
// 自动解析URL地址
$result = new UrlDispatch($request, $this, $this->auto . '/' . $url, ['auto_search' => false]);
} elseif ($this->miss && in_array($this->miss->getMethod(), ['*', $method])) {
// 未匹配所有路由的路由规则处理
$result = $this->miss->parseRule($request, '', $this->miss->getRoute(), $url, $this->miss->mergeGroupOptions());
} else {
$result = false;
}
return $result;
}
/**
* 获取当前请求的路由规则（包括子分组、资源路由）
* @access protected
* @param string $method
* @return array
*/
protected function getMethodRules($method)
{
return array_merge($this->rules[$method], $this->rules['*']);
}
/**
* 分组URL匹配检查
* @access protected
* @param string $url
* @return bool
*/
protected function checkUrl($url)
{
if ($this->fullName) {
$pos = strpos($this->fullName, '<');
if (false !== $pos) {
$str = substr($this->fullName, 0, $pos);
} else {
$str = $this->fullName;
}
if ($str && 0 !== stripos(str_replace('|', '/', $url), $str)) {
return false;
}
}
return true;
}
/**
* 延迟解析分组的路由规则
* @access public
* @param bool $lazy 路由是否延迟解析
* @return $this
*/
public function lazy($lazy = true)
{
if (!$lazy) {
$this->parseGroupRule($this->rule);
$this->rule = null;
}
return $this;
}
/**
* 解析分组和域名的路由规则及绑定
* @access public
* @param mixed $rule 路由规则
* @return void
*/
public function parseGroupRule($rule)
{
$origin = $this->router->getGroup();
$this->router->setGroup($this);
if ($rule instanceof \Closure) {
Container::getInstance()->invokeFunction($rule);
} elseif (is_array($rule)) {
$this->addRules($rule);
} elseif (is_string($rule) && $rule) {
$this->router->bind($rule, $this->domain);
}
$this->router->setGroup($origin);
}
/**
* 检测分组路由
* @access public
* @param Request $request 请求对象
* @param array $rules 路由规则
* @param string $url 访问地址
* @param bool $completeMatch 路由是否完全匹配
* @return Dispatch|false
*/
protected function checkMergeRuleRegex($request, &$rules, $url, $completeMatch)
{
$depr = $this->router->config('pathinfo_depr');
$url = $depr . str_replace('|', $depr, $url);
foreach ($rules as $key => $item) {
if ($item instanceof RuleItem) {
$rule = $depr . str_replace('/', $depr, $item->getRule());
if ($depr == $rule && $depr != $url) {
unset($rules[$key]);
continue;
}
$complete = null !== $item->getOption('complete_match') ? $item->getOption('complete_match') : $completeMatch;
if (false === strpos($rule, '<')) {
if (0 === strcasecmp($rule, $url) || (!$complete && 0 === strncasecmp($rule, $url, strlen($rule)))) {
return $item->checkRule($request, $url, []);
}
unset($rules[$key]);
continue;
}
$slash = preg_quote('/-' . $depr, '/');
if ($matchRule = preg_split('/[' . $slash . ']<\w+\??>/', $rule, 2)) {
if ($matchRule[0] && 0 !== strncasecmp($rule, $url, strlen($matchRule[0]))) {
unset($rules[$key]);
continue;
}
}
if (preg_match_all('/[' . $slash . ']?<?\w+\??>?/', $rule, $matches)) {
unset($rules[$key]);
$pattern = array_merge($this->getPattern(), $item->getPattern());
$option = array_merge($this->getOption(), $item->getOption());
$regex[$key] = $this->buildRuleRegex($rule, $matches[0], $pattern, $option, $complete, '_THINK_' . $key);
$items[$key] = $item;
}
}
}
if (empty($regex)) {
return false;
}
try {
$result = preg_match('/^(?:' . implode('|', $regex) . ')/u', $url, $match);
} catch (\Exception $e) {
throw new Exception('route pattern error');
}
if ($result) {
$var = [];
foreach ($match as $key => $val) {
if (is_string($key) && '' !== $val) {
list($name, $pos) = explode('_THINK_', $key);
$var[$name] = $val;
}
}
if (!isset($pos)) {
foreach ($regex as $key => $item) {
if (0 === strpos(str_replace(['\/', '\-', '\\' . $depr], ['/', '-', $depr], $item), $match[0])) {
$pos = $key;
break;
}
}
}
$rule = $items[$pos]->getRule();
$array = $this->router->getRule($rule);
foreach ($array as $item) {
if (in_array($item->getMethod(), ['*', strtolower($request->method())])) {
$result = $item->checkRule($request, $url, $var);
if (false !== $result) {
return $result;
}
}
}
}
return false;
}
/**
* 获取分组的MISS路由
* @access public
* @return RuleItem|null
*/
public function getMissRule()
{
return $this->miss;
}
/**
* 获取分组的自动路由
* @access public
* @return string
*/
public function getAutoRule()
{
return $this->auto;
}
/**
* 注册自动路由
* @access public
* @param string $route 路由规则
* @return void
*/
public function addAutoRule($route)
{
$this->auto = $route;
}
/**
* 注册MISS路由
* @access public
* @param string $route 路由地址
* @param string $method 请求类型
* @param array $option 路由参数
* @return RuleItem
*/
public function addMissRule($route, $method = '*', $option = [])
{
// 创建路由规则实例
$ruleItem = new RuleItem($this->router, $this, null, '', $route, strtolower($method), $option);
$this->miss = $ruleItem;
return $ruleItem;
}
/**
* 添加分组下的路由规则或者子分组
* @access public
* @param string $rule 路由规则
* @param string $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
* @return $this
*/
public function addRule($rule, $route, $method = '*', $option = [], $pattern = [])
{
// 读取路由标识
if (is_array($rule)) {
$name = $rule[0];
$rule = $rule[1];
} elseif (is_string($route)) {
$name = $route;
} else {
$name = null;
}
$method = strtolower($method);
if ('/' === $rule || '' === $rule) {
// 首页自动完整匹配
$rule .= '$';
}
// 创建路由规则实例
$ruleItem = new RuleItem($this->router, $this, $name, $rule, $route, $method, $option, $pattern);
if (!empty($option['cross_domain'])) {
$this->router->setCrossDomainRule($ruleItem, $method);
}
$this->addRuleItem($ruleItem, $method);
return $ruleItem;
}
/**
* 批量注册路由规则
* @access public
* @param array $rules 路由规则
* @param string $method 请求类型
* @param array $option 路由参数
* @param array $pattern 变量规则
* @return void
*/
public function addRules($rules, $method = '*', $option = [], $pattern = [])
{
foreach ($rules as $key => $val) {
if (is_numeric($key)) {
$key = array_shift($val);
}
if (is_array($val)) {
$route = array_shift($val);
$option = $val ? array_shift($val) : [];
$pattern = $val ? array_shift($val) : [];
} else {
$route = $val;
}
$this->addRule($key, $route, $method, $option, $pattern);
}
}
public function addRuleItem($rule, $method = '*')
{
if (strpos($method, '|')) {
$rule->method($method);
$method = '*';
}
$this->rules[$method][] = $rule;
return $this;
}
/**
* 设置分组的路由前缀
* @access public
* @param string $prefix
* @return $this
*/
public function prefix($prefix)
{
if ($this->parent && $this->parent->getOption('prefix')) {
$prefix = $this->parent->getOption('prefix') . $prefix;
}
return $this->option('prefix', $prefix);
}
/**
* 设置资源允许
* @access public
* @param array $only
* @return $this
*/
public function only($only)
{
return $this->option('only', $only);
}
/**
* 设置资源排除
* @access public
* @param array $except
* @return $this
*/
public function except($except)
{
return $this->option('except', $except);
}
/**
* 设置资源路由的变量
* @access public
* @param array $vars
* @return $this
*/
public function vars($vars)
{
return $this->option('var', $vars);
}
/**
* 合并分组的路由规则正则
* @access public
* @param bool $merge
* @return $this
*/
public function mergeRuleRegex($merge = true)
{
return $this->option('merge_rule_regex', $merge);
}
/**
* 获取完整分组Name
* @access public
* @return string
*/
public function getFullName()
{
return $this->fullName;
}
/**
* 获取分组的路由规则
* @access public
* @param string $method
* @return array
*/
public function getRules($method = '')
{
if ('' === $method) {
return $this->rules;
}
return isset($this->rules[strtolower($method)]) ? $this->rules[strtolower($method)] : [];
}
/**
* 清空分组下的路由规则
* @access public
* @return void
*/
public function clear()
{
$this->rules = [
'*' => [],
'get' => [],
'post' => [],
'put' => [],
'patch' => [],
'delete' => [],
'head' => [],
'options' => [],
];
}
}