<?php<liu21st@gmail.com>
namespace think\route\dispatch;
use think\exception\HttpException;
use think\Loader;
use think\route\Dispatch;
class Url extends Dispatch
{
public function init()
{
$result = $this->parseUrl($this->dispatch);
return (new Module($this->request, $this->rule, $result))->init();
}
public function exec()
{}
protected function parseUrl($url)
{
$depr = $this->rule->getConfig('pathinfo_depr');
$bind = $this->rule->getRouter()->getBind();
if (!empty($bind) && preg_match('/^[a-z]/is', $bind)) {
$bind = str_replace('/', $depr, $bind);
$url = $bind . ('.' != substr($bind, -1) ? $depr : '') . ltrim($url, $depr);
}
list($path, $var) = $this->rule->parseUrlPath($url);
if (empty($path)) {
return [null, null, null];
}
$module = $this->rule->getConfig('app_multi_module') ? array_shift($path) : null;
if ($this->param['auto_search']) {
$controller = $this->autoFindController($module, $path);
} else {
$controller = !empty($path) ? array_shift($path) : null;
}
if ($controller && !preg_match('/^[A-Za-z0-9][\w|\.]*$/', $controller)) {
throw new HttpException(404, 'controller not exists:' . $controller);
}
$action = !empty($path) ? array_shift($path) : null;
if ($path) {
if ($this->rule->getConfig('url_param_type')) {
$var += $path;
} else {
preg_replace_callback('/(\w+)\|([^\|]+)/', function ($match) use (&$var) {
$var[$match[1]] = strip_tags($match[2]);
}, implode('|', $path));
}
}
$panDomain = $this->request->panDomain();
if ($panDomain && $key = array_search('*', $var)) {
$var[$key] = $panDomain;
}
$this->request->setRouteVars($var);
$route = [$module, $controller, $action];
if ($this->hasDefinedRoute($route, $bind)) {
throw new HttpException(404, 'invalid request:' . str_replace('|', $depr, $url));
}
return $route;
}
protected function hasDefinedRoute($route, $bind)
{
list($module, $controller, $action) = $route;
$name = strtolower($module . '/' . Loader::parseName($controller, 1) . '/' . $action);
$name2 = '';
if (empty($module) || $module == $bind) {
$name2 = strtolower(Loader::parseName($controller, 1) . '/' . $action);
}
$host = $this->request->host(true);
$method = $this->request->method();
if ($this->rule->getRouter()->getName($name, $host, $method) || $this->rule->getRouter()->getName($name2, $host, $method)) {
return true;
}
return false;
}
protected function autoFindController($module, &$path)
{
$dir = $this->app->getAppPath() . ($module ? $module . '/' : '') . $this->rule->getConfig('url_controller_layer');
$suffix = $this->app->getSuffix() || $this->rule->getConfig('controller_suffix') ? ucfirst($this->rule->getConfig('url_controller_layer')) : '';
$item = [];
$find = false;
foreach ($path as $val) {
$item[] = $val;
$file = $dir . '/' . str_replace('.', '/', $val) . $suffix . '.php';
$file = pathinfo($file, PATHINFO_DIRNAME) . '/' . Loader::parseName(pathinfo($file, PATHINFO_FILENAME), 1) . '.php';
if (is_file($file)) {
$find = true;
break;
} else {
$dir .= '/' . Loader::parseName($val);
}
}
if ($find) {
$controller = implode('.', $item);
$path = array_slice($path, count($item));
} else {
$controller = array_shift($path);
}
return $controller;
}
}