Files
framework/library/think/route.php
2016-01-04 08:51:03 +08:00

663 lines
25 KiB
PHP

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace think;
class Route
{
// 路由规则
private static $rules = [
'GET' => [],
'POST' => [],
'PUT' => [],
'DELETE' => [],
'*' => [],
];
// URL映射规则
private static $map = [];
// 子域名部署规则
private static $domain = [];
// 变量规则
private static $pattern = [];
// 路由别名 用于自动生成
private static $alias = [];
// 添加URL映射规则
public static function map($map, $route = '')
{
return self::setting('map', $map, $route);
}
// 添加变量规则
public static function pattern($name, $rule = '')
{
return self::setting('pattern', $name, $rule);
}
// 添加路由别名
public static function alias($name, $rule = '')
{
return self::setting('alias', $name, $rule);
}
// 添加子域名部署规则
public static function domain($domain, $rule = '')
{
return self::setting('domain', $domain, $rule);
}
// 属性设置
private static function setting($var, $name = '', $value = '')
{
if (is_array($name)) {
self::${$var} = array_merge(self::${$var}, $name);
} elseif (empty($name)) {
return self::${$var};
} else {
self::${$var}[$name] = $value;
}
}
// 注册路由规则
public static function register($rule, $route = '', $type = '*', $option = [], $pattern = [])
{
if (strpos($type, '|')) {
foreach (explode('|', $type) as $val) {
self::register($rule, $route, $val, $option);
}
} else {
if (is_array($rule)) {
// 检查变量规则
if (isset($rule['__pattern__'])) {
self::pattern($rule['__pattern__']);
unset($rule['__pattern__']);
}
// 检查路由映射
if (isset($rule['__map__'])) {
self::map($rule['__map__']);
unset($rule['__map__']);
}
// 检查路由别名
if (isset($rule['__alias__'])) {
self::alias($rule['__alias__']);
unset($rule['__alias__']);
}
foreach ($rule as $key => $val) {
if (is_numeric($key)) {
$key = array_shift($val);
}
if (0 === strpos($key, '[')) {
self::$rules[$type][substr($key, 1, -1)] = ['routes' => $val, 'option' => $option, 'pattern' => $pattern];
} elseif (is_array($val)) {
self::$rules[$type][$key] = ['route' => $val[0], 'option' => $val[1], 'pattern' => $val[2]];
} else {
self::$rules[$type][$key] = ['route' => $val, 'option' => $option, 'pattern' => $pattern];
}
}
} else {
if (0 === strpos($rule, '[')) {
self::$rules[$type][substr($rule, 1, -1)] = ['routes' => $route, 'option' => $option, 'pattern' => $pattern];
} elseif (is_array($route)) {
self::$rules[$type][$rule] = ['route' => $route[0], 'option' => $route[1], 'pattern' => $route[2]];
} else {
self::$rules[$type][$rule] = ['route' => $route, 'option' => $option, 'pattern' => $pattern];
}
}
}
}
// 路由分组
public static function group($name, $routes = [], $type = '*', $option = [], $pattern = [])
{
self::$rules[$type][$name] = ['routes' => $routes, 'option' => $option, 'pattern' => $pattern];
}
// 注册任意请求的路由规则
public static function any($rule, $route = '', $option = [], $pattern = [])
{
self::register($rule, $route, '*', $option, $pattern);
}
// 注册get请求的路由规则
public static function get($rule, $route = '', $option = [], $pattern = [])
{
self::register($rule, $route, 'GET', $option, $pattern);
}
// 注册post请求的路由规则
public static function post($rule, $route = '', $option = [], $pattern = [])
{
self::register($rule, $route, 'POST', $option, $pattern);
}
// 注册put请求的路由规则
public static function put($rule, $route = '', $option = [], $pattern = [])
{
self::register($rule, $route, 'PUT', $option, $pattern);
}
// 注册delete请求的路由规则
public static function delete($rule, $route = '', $option = [], $pattern = [])
{
self::register($rule, $route, 'DELETE', $option, $pattern);
}
// 检测子域名部署
public static function checkDomain($rules = '')
{
$rules = $rules ?: self::$domain;
// 开启子域名部署 支持二级和三级域名
if (!empty($rules)) {
if (isset($rules[$_SERVER['HTTP_HOST']])) {
// 完整域名或者IP配置
$rule = $rules[$_SERVER['HTTP_HOST']];
} else {
// 子域名配置
$domain = array_slice(explode('.', $_SERVER['HTTP_HOST']), 0, -2);
if (!empty($domain)) {
$subDomain = implode('.', $domain);
$domain2 = array_pop($domain); // 二级域名
if ($domain) {
// 存在三级域名
$domain3 = array_pop($domain);
}
if ($subDomain && isset($rules[$subDomain])) {
// 子域名配置
$rule = $rules[$subDomain];
} elseif (isset($rules['*.' . $domain2]) && !empty($domain3)) {
// 泛三级域名
$rule = $rules['*.' . $domain2];
$panDomain = $domain3;
} elseif (isset($rules['*']) && !empty($domain2)) {
// 泛二级域名
if ('www' != $domain2) {
$rule = $rules['*'];
$panDomain = $domain2;
}
}
}
}
if (!empty($rule)) {
// 子域名部署规则
// '子域名'=>'模块[/控制器/操作]'
// '子域名'=>['模块[/控制器/操作]','var1=a&var2=b&var3=*'];
if ($rule instanceof \Closure) {
// 执行闭包并中止
$result = self::invokeRule($rule);
// 返回 [模块,控制器,操作]
return is_array($result) ? $result : exit($result);
}
if (is_array($rule)) {
$result = $rule[0];
if (isset($rule[1])) {
// 传入参数
parse_str($rule[1], $parms);
if (isset($panDomain)) {
$pos = array_search('*', $parms);
if (false !== $pos) {
// 泛域名作为参数
$parms[$pos] = $panDomain;
}
}
$_GET = array_merge($_GET, $parms);
}
} else {
$result = $rule;
}
}
}
return isset($result) ? explode('/', $result) : null;
}
// 检测URL路由
public static function check($url, $depr = '/')
{
// 优先检测是否存在PATH_INFO
if (empty($url)) {
$url = '/';
}
// 分隔符替换 确保路由定义使用统一的分隔符
if ('/' != $depr) {
$url = str_replace($depr, '/', $url);
}
if (isset(self::$map[$url])) {
// URL映射
return self::parseUrl(self::$map[$url], $depr);
}
// 获取当前请求类型的路由规则
$rules = self::$rules[REQUEST_METHOD];
if (!empty(self::$rules['*'])) {
// 合并任意请求的路由规则
$rules = array_merge(self::$rules['*'], $rules);
}
// 路由规则检测
if (!empty($rules)) {
foreach ($rules as $rule => $val) {
$option = $val['option'];
$pattern = $val['pattern'];
// 请求类型检测
if (isset($option['method']) && false === stripos($option['method'], REQUEST_METHOD)) {
continue;
}
// 伪静态后缀检测
if (isset($option['ext']) && __EXT__ != $option['ext']) {
continue;
}
// https检测
if (!empty($option['https']) && !self::isSsl()) {
continue;
}
// 自定义检测
if (!empty($option['callback']) && is_callable($option['callback']) && false === call_user_func($option['callback'])) {
continue;
}
// 行为检测
if (!empty($option['behavior']) && false === \think\hook::exec($option['behavior'])) {
continue;
}
if (!empty($val['routes'])) {
// 分组路由
if (0 !== strpos($url, $rule)) {
continue;
}
// 匹配到路由分组
foreach ($val['routes'] as $key => $route) {
if (is_numeric($key)) {
$key = array_shift($route);
}
$url1 = substr($url, strlen($rule) + 1);
if (0 === strpos($key, '/') && preg_match($key, $url1, $matches)) {
// 检查正则路由
return self::checkRegex($route, $url1, $matches);
} else {
// 检查规则路由
if (is_array($route)) {
$option1 = $route[1];
// 请求类型检测
if (isset($option1['method']) && false === stripos($option1['method'], REQUEST_METHOD)) {
continue;
}
// 伪静态后缀检测
if (isset($option1['ext']) && __EXT__ != $option1['ext']) {
continue;
}
// https检测
if (!empty($option1['https']) && !self::isSsl()) {
continue;
}
$pattern = array_merge($pattern, isset($route[2]) ? $route[2] : []);
$route = $route[0];
}
$result = self::checkRule($key, $route, $url1, $pattern);
if (false !== $result) {
return $result;
}
}
}
} else {
if (is_numeric($rule)) {
$rule = array_shift($val);
}
// 单项路由
$route = !empty($val['route']) ? $val['route'] : '';
if (0 === strpos($rule, '/') && preg_match($rule, $url, $matches)) {
return self::checkRegex($route, $url, $matches);
} else {
// 规则路由
$result = self::checkRule($rule, $route, $url, $pattern);
if (false !== $result) {
return $result;
}
}
}
}
}
return false;
}
/**
* 检查正则路由
*/
private static function checkRegex($route, $url, $matches)
{
// 正则路由
if ($route instanceof \Closure) {
// 执行闭包
return ['type' => 'regex_closure', 'closure' => $route, 'params' => $matches];
}
return self::parseRegex($matches, $route, $url);
}
/**
* 检查规则路由
*/
private static function checkRule($rule, $route, $url, $pattern)
{
$len1 = substr_count($url, '/');
$len2 = substr_count($rule, '/');
if ($len1 >= $len2 || strpos($rule, '[')) {
if ('$' == substr($rule, -1, 1)) {
// 完整匹配
if ($len1 != $len2) {
return false;
} else {
$rule = substr($rule, 0, -1);
}
}
$pattern = array_merge(self::$pattern, $pattern);
if (false !== $match = self::match($url, $rule, $pattern)) {
if ($route instanceof \Closure) {
// 执行闭包
return ['type' => 'rule_closure', 'closure' => $route, 'params' => $match];
}
return self::parseRule($rule, $route, $url);
}
}
return false;
}
/**
* 判断是否SSL协议
* @return boolean
*/
public static function isSsl()
{
if (isset($_SERVER['HTTPS']) && ('1' == $_SERVER['HTTPS'] || 'on' == strtolower($_SERVER['HTTPS']))) {
return true;
} elseif (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) {
return true;
} else {
return false;
}
}
// 解析模块的URL地址 [模块/控制器/操作?]参数1=值1&参数2=值2...
public static function parseUrl($url, $depr = '/')
{
// 分隔符替换 确保路由定义使用统一的分隔符
if ('/' != $depr) {
$url = str_replace($depr, '/', $url);
}
$result = self::parseRoute($url, true);
if (!empty($result['var'])) {
$_GET = array_merge($result['var'], $_GET);
}
return ['type' => 'module', 'data' => $result['route']];
}
// 解析规范的路由地址
// 地址格式 [模块/控制器/操作?]参数1=值1&参数2=值2...
private static function parseRoute($url, $reverse = false)
{
$var = [];
if (false !== strpos($url, '?')) {
// [模块/控制器/操作?]参数1=值1&参数2=值2...
$info = parse_url($url);
$path = explode('/', $info['path'], 4);
parse_str($info['query'], $var);
} elseif (strpos($url, '/')) {
// [模块/控制器/操作]
$path = explode('/', $url, 4);
} elseif (false !== strpos($url, '=')) {
// 参数1=值1&参数2=值2...
parse_str($url, $var);
} else {
$path = [$url];
}
$route = [null, null, null];
if (isset($path)) {
// 解析path额外的参数
if (!empty($path[3])) {
preg_replace_callback('/([^\/]+)\/([^\/]+)/', function ($match) use (&$var) {
$var[strtolower($match[1])] = strip_tags($match[2]);
}, array_pop($path));
}
// 解析[模块/控制器/操作]
if ($reverse) {
$module = APP_MULTI_MODULE ? array_shift($path) : null;
$controller = !empty($path) ? array_shift($path) : null;
$action = !empty($path) ? array_shift($path) : null;
} else {
$action = array_pop($path);
$controller = !empty($path) ? array_pop($path) : null;
$module = APP_MULTI_MODULE && !empty($path) ? array_pop($path) : null;
}
$action = '[rest]' == $action ? REQUEST_METHOD : $action;
$route = [$module, $controller, $action];
}
return ['route' => $route, 'var' => $var];
}
// 检测URL和规则路由是否匹配
private static function match($url, $rule, $pattern)
{
$m1 = explode('/', $url);
$m2 = explode('/', $rule);
$var = [];
foreach ($m2 as $key => $val) {
if (0 === strpos($val, '[:')) {
$val = substr($val, 1, -1);
}
if (0 === strpos($val, ':')) {
// URL变量
if ($pos = strpos($val, '|')) {
// 使用函数过滤
$val = substr($val, 1, $pos - 1);
}
if (strpos($val, '\\')) {
$type = substr($val, -1);
if ('d' == $type && !is_numeric($m1[$key])) {
return false;
}
$name = substr($val, 1, -2);
} elseif ($pos = strpos($val, '^')) {
$array = explode('-', substr(strstr($val, '^'), 1));
if (in_array($m1[$key], $array)) {
return false;
}
$name = substr($val, 1, $pos - 1);
} else {
$name = substr($val, 1);
}
if (isset($pattern[$name]) && !preg_match($pattern[$name], $m1[$key])) {
// 检查变量规则
return false;
}
$var[$name] = $m1[$key];
} elseif (0 !== strcasecmp($val, $m1[$key])) {
return false;
}
}
// 成功匹配后返回URL中的动态变量数组
return $var;
}
// 解析规则路由
// '路由规则'=>'[控制器/操作]?额外参数1=值1&额外参数2=值2...'
// '路由规则'=> ['[控制器/操作]','额外参数1=值1&额外参数2=值2...']
// '路由规则'=>'外部地址'
// '路由规则'=>['外部地址','重定向代码']
// 路由规则中 :开头 表示动态变量
// 外部地址中可以用动态变量 采用 :1 :2 的方式
// 'news/:month/:day/:id'=>['News/read?cate=1','status=1'],
// 'new/:id'=>['/new.php?id=:1',301], 重定向
private static function parseRule($rule, $route, $pathinfo)
{
// 获取URL地址中的参数
$paths = explode('/', $pathinfo);
// 获取路由地址规则
$url = is_array($route) ? $route[0] : $route;
// 解析路由规则
$matches = [];
$rule = explode('/', $rule);
foreach ($rule as $item) {
$fun = '';
if (0 === strpos($item, '[:')) {
$item = substr($item, 1, -1);
}
if (0 === strpos($item, ':')) {
// 动态变量获取
if ($pos = strpos($item, '|')) {
// 支持函数过滤
$fun = substr($item, $pos + 1);
$item = substr($item, 0, $pos);
}
if ($pos = strpos($item, '^')) {
$var = substr($item, 1, $pos - 1);
} elseif (strpos($item, '\\')) {
$var = substr($item, 1, -2);
} else {
$var = substr($item, 1);
}
$matches[$var] = array_shift($paths);
if (!empty($fun)) {
$matches[$var] = $fun($matches[$var]);
}
} else {
// 过滤URL中的静态变量
array_shift($paths);
}
}
if (0 === strpos($url, '/') || 0 === strpos($url, 'http')) {
// 路由重定向跳转
if (strpos($url, ':')) {
// 传递动态参数
$values = array_values($matches);
$url = preg_replace('/:(\d+)/e', '$values[\\1-1]', $url);
}
$result = ['type' => 'redirect', 'url' => $url, 'status' => (is_array($route) && isset($route[1])) ? $route[1] : 301];
} elseif (0 === strpos($url, '\\')) {
// 路由到行为
$result = ['type' => 'behavior', 'class' => $url, 'method' => isset($route[1]) ? $route[1] : '', 'params' => $matches];
} elseif (0 === strpos($url, '@')) {
// 路由到控制器
$result = ['type' => 'action', 'action' => substr($url, 1), 'params' => $matches];
} else {
// 解析路由地址
$result = self::parseRoute($url);
$var = $result['var'];
// 解析路由地址里面的动态参数
$values = array_values($matches);
foreach ($var as $key => $val) {
if (0 === strpos($val, ':')) {
$var[$key] = $values[substr($val, 1) - 1];
}
}
$var = array_merge($matches, $var);
// 解析剩余的URL参数
if (!empty($paths)) {
preg_replace_callback('/(\w+)\/([^\/]+)/', function ($match) use (&$var) {$var[strtolower($match[1])] = strip_tags($match[2]);}, implode('/', $paths));
}
// 解析路由自动传人参数
if (is_array($route) && isset($route[1])) {
if (is_string($route[1])) {
parse_str($route[1], $params);
} else {
$params = $route[1];
}
$var = array_merge($var, $params);
}
$_GET = array_merge($var, $_GET);
$result = ['type' => 'module', 'data' => $result['route']];
}
return $result;
}
// 解析正则路由
// '路由正则'=>'[控制器/操作]?参数1=值1&参数2=值2...'
// '路由正则'=>['[控制器/操作]?参数1=值1&参数2=值2...','额外参数1=值1&额外参数2=值2...']
// '路由正则'=>'外部地址'
// '路由正则'=>['外部地址','重定向代码']
// 参数值和外部地址中可以用动态变量 采用 :1 :2 的方式
// '/new\/(\d+)\/(\d+)/'=>['News/read?id=:1&page=:2&cate=1','status=1'],
// '/new\/(\d+)/'=>['/new.php?id=:1&page=:2&status=1','301'], 重定向
private static function parseRegex($matches, $route, $pathinfo)
{
// 获取路由地址规则
$url = is_array($route) ? $route[0] : $route;
$url = preg_replace('/:(\d+)/e', '$matches[\\1]', $url);
if (0 === strpos($url, '/') || 0 === strpos($url, 'http')) {
// 路由重定向跳转
$result = ['type' => 'redirect', 'url' => $url, 'status' => (is_array($route) && isset($route[1])) ? $route[1] : 301];
} elseif (0 === strpos($url, '\\')) {
// 路由到行为
$result = ['type' => 'behavior', 'class' => $url, 'method' => isset($route[1]) ? $route[1] : '', 'params' => $matches];
} elseif (0 === strpos($url, '@')) {
// 路由到控制器
$result = ['type' => 'action', 'action' => substr($url, 1), 'params' => $matches];
} else {
// 解析路由地址
$result = self::parseRoute($url);
$var = $result['var'];
// 解析剩余的URL参数
$regx = substr_replace($pathinfo, '', 0, strlen($matches[0]));
if ($regx) {
preg_replace_callback('/(\w+)\/([^\/]+)/', function ($match) use (&$var) {
$var[strtolower($match[1])] = strip_tags($match[2]);
}, $regx);
}
// 解析路由自动传人参数
if (is_array($route) && isset($route[1])) {
if (is_string($route[1])) {
parse_str($route[1], $params);
} else {
$params = $route[1];
}
$var = array_merge($var, $params);
}
$_GET = array_merge($var, $_GET);
$result = ['type' => 'module', 'data' => $result['route']];
}
return $result;
}
// 根据路由别名和参数获取URL地址
public static function getRouteUrl($name, $params = [])
{
if (strpos($name, '?')) {
// [路由别名?]参数1=值1&参数2=值2...
list($name, $params) = explode('?', $name);
}
if (!empty(self::$alias[$name])) {
$url = self::$alias[$name];
if (is_string($params)) {
parse_str($params, $vars);
} else {
$vars = $params;
}
foreach ($vars as $key => $val) {
if (false !== strpos($url, '[:' . $key . ']')) {
$url = str_replace('[:' . $key . ']', $val, $url);
} else {
$url = str_replace(':' . $key, $val, $url);
}
}
return $url;
} else {
return false;
}
}
}