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241 lines
8.8 KiB
PHP
241 lines
8.8 KiB
PHP
<?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) 2006~2016 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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namespace think;
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class Url
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{
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/**
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* URL组装 支持不同URL模式
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* @param string $url URL表达式，
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* 格式：'[模块/控制器/操作]?参数1=值1&参数2=值2...'
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* @控制器/操作?参数1=值1&参数2=值2...
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* \\命名空间类\\方法?参数1=值1&参数2=值2...
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* @param string|array $vars 传入的参数，支持数组和字符串
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* @param string $suffix 伪静态后缀，默认为true表示获取配置值
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* @param boolean $domain 是否显示域名
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* @return string
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*/
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public static function build($url = '', $vars = '', $suffix = true, $domain = true)
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{
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// 解析参数
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if (is_string($vars)) {
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// aaa=1&bbb=2 转换成数组
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parse_str($vars, $vars);
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} elseif (!is_array($vars)) {
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$vars = [];
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}
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if (strpos($url, '?')) {
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list($url, $params) = explode('?', $url);
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parse_str($params, $params);
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$vars = array_merge($params, $vars);
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}
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// 检测是否存在路由别名
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if ($aliasUrl = Route::getRouteUrl($url, $vars)) {
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// 存在别名定义则优先
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return $aliasUrl;
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} else {
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// 检测路由
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$match = self::checkRoute($url, $vars, $domain);
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if (false === $match) {
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// 路由不存在 直接解析
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if (false !== strpos($url, '\\')) {
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// 解析到类
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$url = ltrim(str_replace('\\', '/', $url), '/');
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} elseif (0 === strpos($url, '@')) {
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// 解析到控制器
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$url = substr($url, 1);
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} else {
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// 解析到 模块/控制器/操作
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$path = explode('/', $url);
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$len = count($path);
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if (2 == $len) {
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$url = (APP_MULTI_MODULE ? MODULE_NAME . '/' : '') . $url;
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} elseif (1 == $len) {
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$url = (APP_MULTI_MODULE ? MODULE_NAME . '/' : '') . CONTROLLER_NAME . '/' . $url;
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}
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}
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} else {
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// 处理路由规则中的特殊内容
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$url = str_replace(['\\d', '$'], '', $match);
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}
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}
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// 检测URL绑定
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$type = Route::bind('type');
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if ($type) {
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$bind = Route::bind($type);
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if (0 === strpos($url, $bind)) {
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$url = substr($url, strlen($bind) + 1);
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}
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}
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// 还原URL分隔符
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$depr = Config::get('pathinfo_depr');
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$url = str_replace('/', $depr, $url);
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// 替换变量
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$params = [];
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foreach ($vars as $key => $val) {
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if (false !== strpos($url, '[:' . $key . ']')) {
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$url = str_replace('[:' . $key . ']', $val, $url);
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} elseif (false !== strpos($url, ':' . $key)) {
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$url = str_replace(':' . $key, $val, $url);
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} else {
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$params[$key] = $val;
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}
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}
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// URL组装
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$url = Config::get('base_url') . '/' . $url;
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// URL后缀
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$suffix = self::parseSuffix($suffix);
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// 参数组装
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if (!empty($params)) {
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// 添加参数
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if (Config::get('url_common_param')) {
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$vars = urldecode(http_build_query($vars));
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$url .= $suffix . '?' . $vars;
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} else {
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foreach ($params as $var => $val) {
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if ('' !== trim($val)) {
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$url .= $depr . $var . $depr . urlencode($val);
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}
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}
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$url .= $suffix;
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}
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} else {
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$url .= $suffix;
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}
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if ($domain) {
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if (true === $domain) {
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$domain = $_SERVER['HTTP_HOST'];
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if (Config::get('url_domain_deploy')) {
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// 开启子域名部署
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$domain = 'localhost' == $domain ? 'localhost' : 'www' . strstr($_SERVER['HTTP_HOST'], '.');
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foreach (Route::domain() as $key => $rule) {
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$rule = is_array($rule) ? $rule[0] : $rule;
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if (false === strpos($key, '*') && 0 === strpos($url, $rule)) {
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$domain = $key . strstr($domain, '.'); // 生成对应子域名
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$url = substr_replace($url, '', 0, strlen($rule));
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break;
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}
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}
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}
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}
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$url = (self::isSsl() ? 'https://' : 'http://') . $domain . $url;
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}
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return $url;
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}
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protected static function checkRoute($url, $vars, $domain)
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{
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// 获取路由定义
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$rules = Route::any();
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// 全局变量规则
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$pattern = Route::pattern();
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foreach ($rules as $rule => $val) {
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if (!empty($val['routes'])) {
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// 匹配到路由分组
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foreach ($val['routes'] as $key => $route) {
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if (is_numeric($key)) {
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$key = array_shift($route);
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}
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$check = isset($route[2]) ? array_merge($pattern, $route[2]) : $pattern;
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$route = $route[0];
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$route = is_array($route) ? $route[0] : $route;
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$result = $rule . Config::get('pathinfo_depr') . $key;
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if ($route == $url && self::checkPattern($result, $vars, $check)) {
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return $result;
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}
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}
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} else {
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if (is_numeric($rule)) {
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$rule = array_shift($val);
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}
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$route = $val['route'];
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$route = is_array($route) ? $route[0] : $route;
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$check = isset($val['pattern']) ? array_merge($pattern, $val['pattern']) : $pattern;
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if ($route == $url && self::checkPattern($rule, $vars, $check)) {
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return $rule;
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}
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}
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}
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return false;
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}
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// 检测变量规则
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protected static function checkPattern($rule, $vars, $pattern)
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{
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// 检测路由规则中的变量
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// 检测是否设置了参数分隔符
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if ($depr = Config::get('url_params_depr')) {
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$rule = str_replace($depr, '/', $rule);
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}
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// 提取路由规则中的变量
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$var = [];
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$array = explode('/', $rule);
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foreach ($array as $val) {
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$optional = false;
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if (0 === strpos($val, '[:')) {
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// 可选参数
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$val = substr($val, 1, -1);
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$optional = true;
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}
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if (0 === strpos($val, ':')) {
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// URL变量
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if (strpos($val, '\\')) {
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$name = substr($val, 1, -2);
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} else {
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$name = substr($val, 1);
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}
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if (!$optional && !isset($vars[$name])) {
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// 变量未设置
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return false;
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}
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}
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}
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foreach ($vars as $name => $val) {
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if (isset($pattern[$name]) && !preg_match('/^' . $pattern[$name] . '$/', $val)) {
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// 检查变量规则
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return false;
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}
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}
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return true;
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}
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// 解析URL后缀
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protected static function parseSuffix($suffix)
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{
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if ($suffix) {
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$suffix = true === $suffix ? Config::get('url_html_suffix') : $suffix;
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if ($pos = strpos($suffix, '|')) {
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$suffix = substr($suffix, 0, $pos);
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}
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}
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return (empty($suffix) || 0 === strpos($suffix, '.')) ? $suffix : '.' . $suffix;
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}
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/**
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* 判断是否SSL协议
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* @return boolean
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*/
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public static function isSsl()
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{
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if (isset($_SERVER['HTTPS']) && ('1' == $_SERVER['HTTPS'] || 'on' == strtolower($_SERVER['HTTPS']))) {
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return true;
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} elseif (isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'])) {
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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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