275 lines
8.7 KiB
PHP
275 lines
8.7 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Routing\Matcher\Dumper;
|
|
|
|
use Symfony\Component\Routing\Route;
|
|
|
|
/**
|
|
* Dumps a set of Apache mod_rewrite rules.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
* @author Kris Wallsmith <kris@symfony.com>
|
|
*/
|
|
class ApacheMatcherDumper extends MatcherDumper
|
|
{
|
|
/**
|
|
* Dumps a set of Apache mod_rewrite rules.
|
|
*
|
|
* Available options:
|
|
*
|
|
* * script_name: The script name (app.php by default)
|
|
* * base_uri: The base URI ("" by default)
|
|
*
|
|
* @param array $options An array of options
|
|
*
|
|
* @return string A string to be used as Apache rewrite rules
|
|
*
|
|
* @throws \LogicException When the route regex is invalid
|
|
*/
|
|
public function dump(array $options = array())
|
|
{
|
|
$options = array_merge(array(
|
|
'script_name' => 'app.php',
|
|
'base_uri' => '',
|
|
), $options);
|
|
|
|
$options['script_name'] = self::escape($options['script_name'], ' ', '\\');
|
|
|
|
$rules = array("# skip \"real\" requests\nRewriteCond %{REQUEST_FILENAME} -f\nRewriteRule .* - [QSA,L]");
|
|
$methodVars = array();
|
|
$hostRegexUnique = 0;
|
|
$prevHostRegex = '';
|
|
|
|
foreach ($this->getRoutes()->all() as $name => $route) {
|
|
|
|
$compiledRoute = $route->compile();
|
|
$hostRegex = $compiledRoute->getHostRegex();
|
|
|
|
if (null !== $hostRegex && $prevHostRegex !== $hostRegex) {
|
|
$prevHostRegex = $hostRegex;
|
|
$hostRegexUnique++;
|
|
|
|
$rule = array();
|
|
|
|
$regex = $this->regexToApacheRegex($hostRegex);
|
|
$regex = self::escape($regex, ' ', '\\');
|
|
|
|
$rule[] = sprintf('RewriteCond %%{HTTP:Host} %s', $regex);
|
|
|
|
$variables = array();
|
|
$variables[] = sprintf('E=__ROUTING_host_%s:1', $hostRegexUnique);
|
|
|
|
foreach ($compiledRoute->getHostVariables() as $i => $variable) {
|
|
$variables[] = sprintf('E=__ROUTING_host_%s_%s:%%%d', $hostRegexUnique, $variable, $i+1);
|
|
}
|
|
|
|
$variables = implode(',', $variables);
|
|
|
|
$rule[] = sprintf('RewriteRule .? - [%s]', $variables);
|
|
|
|
$rules[] = implode("\n", $rule);
|
|
}
|
|
|
|
$rules[] = $this->dumpRoute($name, $route, $options, $hostRegexUnique);
|
|
|
|
if ($req = $route->getRequirement('_method')) {
|
|
$methods = explode('|', strtoupper($req));
|
|
$methodVars = array_merge($methodVars, $methods);
|
|
}
|
|
}
|
|
if (0 < count($methodVars)) {
|
|
$rule = array('# 405 Method Not Allowed');
|
|
$methodVars = array_values(array_unique($methodVars));
|
|
if (in_array('GET', $methodVars) && !in_array('HEAD', $methodVars)) {
|
|
$methodVars[] = 'HEAD';
|
|
}
|
|
foreach ($methodVars as $i => $methodVar) {
|
|
$rule[] = sprintf('RewriteCond %%{ENV:_ROUTING__allow_%s} =1%s', $methodVar, isset($methodVars[$i + 1]) ? ' [OR]' : '');
|
|
}
|
|
$rule[] = sprintf('RewriteRule .* %s [QSA,L]', $options['script_name']);
|
|
|
|
$rules[] = implode("\n", $rule);
|
|
}
|
|
|
|
return implode("\n\n", $rules)."\n";
|
|
}
|
|
|
|
/**
|
|
* Dumps a single route
|
|
*
|
|
* @param string $name Route name
|
|
* @param Route $route The route
|
|
* @param array $options Options
|
|
* @param bool $hostRegexUnique Unique identifier for the host regex
|
|
*
|
|
* @return string The compiled route
|
|
*/
|
|
private function dumpRoute($name, $route, array $options, $hostRegexUnique)
|
|
{
|
|
$compiledRoute = $route->compile();
|
|
|
|
// prepare the apache regex
|
|
$regex = $this->regexToApacheRegex($compiledRoute->getRegex());
|
|
$regex = '^'.self::escape(preg_quote($options['base_uri']).substr($regex, 1), ' ', '\\');
|
|
|
|
$methods = $this->getRouteMethods($route);
|
|
|
|
$hasTrailingSlash = (!$methods || in_array('HEAD', $methods)) && '/$' === substr($regex, -2) && '^/$' !== $regex;
|
|
|
|
$variables = array('E=_ROUTING_route:'.$name);
|
|
foreach ($compiledRoute->getHostVariables() as $variable) {
|
|
$variables[] = sprintf('E=_ROUTING_param_%s:%%{ENV:__ROUTING_host_%s_%s}', $variable, $hostRegexUnique, $variable);
|
|
}
|
|
foreach ($compiledRoute->getPathVariables() as $i => $variable) {
|
|
$variables[] = 'E=_ROUTING_param_'.$variable.':%'.($i + 1);
|
|
}
|
|
foreach ($this->normalizeValues($route->getDefaults()) as $key => $value) {
|
|
$variables[] = 'E=_ROUTING_default_'.$key.':'.strtr($value, array(
|
|
':' => '\\:',
|
|
'=' => '\\=',
|
|
'\\' => '\\\\',
|
|
' ' => '\\ ',
|
|
));
|
|
}
|
|
$variables = implode(',', $variables);
|
|
|
|
$rule = array("# $name");
|
|
|
|
// method mismatch
|
|
if (0 < count($methods)) {
|
|
$allow = array();
|
|
foreach ($methods as $method) {
|
|
$allow[] = 'E=_ROUTING_allow_'.$method.':1';
|
|
}
|
|
|
|
if ($compiledRoute->getHostRegex()) {
|
|
$rule[] = sprintf("RewriteCond %%{ENV:__ROUTING_host_%s} =1", $hostRegexUnique);
|
|
}
|
|
|
|
$rule[] = "RewriteCond %{REQUEST_URI} $regex";
|
|
$rule[] = sprintf("RewriteCond %%{REQUEST_METHOD} !^(%s)$ [NC]", implode('|', $methods));
|
|
$rule[] = sprintf('RewriteRule .* - [S=%d,%s]', $hasTrailingSlash ? 2 : 1, implode(',', $allow));
|
|
}
|
|
|
|
// redirect with trailing slash appended
|
|
if ($hasTrailingSlash) {
|
|
if ($compiledRoute->getHostRegex()) {
|
|
$rule[] = sprintf("RewriteCond %%{ENV:__ROUTING_host_%s} =1", $hostRegexUnique);
|
|
}
|
|
|
|
$rule[] = 'RewriteCond %{REQUEST_URI} '.substr($regex, 0, -2).'$';
|
|
$rule[] = 'RewriteRule .* $0/ [QSA,L,R=301]';
|
|
}
|
|
|
|
// the main rule
|
|
|
|
if ($compiledRoute->getHostRegex()) {
|
|
$rule[] = sprintf("RewriteCond %%{ENV:__ROUTING_host_%s} =1", $hostRegexUnique);
|
|
}
|
|
|
|
$rule[] = "RewriteCond %{REQUEST_URI} $regex";
|
|
$rule[] = "RewriteRule .* {$options['script_name']} [QSA,L,$variables]";
|
|
|
|
return implode("\n", $rule);
|
|
}
|
|
|
|
/**
|
|
* Returns methods allowed for a route
|
|
*
|
|
* @param Route $route The route
|
|
*
|
|
* @return array The methods
|
|
*/
|
|
private function getRouteMethods(Route $route)
|
|
{
|
|
$methods = array();
|
|
if ($req = $route->getRequirement('_method')) {
|
|
$methods = explode('|', strtoupper($req));
|
|
// GET and HEAD are equivalent
|
|
if (in_array('GET', $methods) && !in_array('HEAD', $methods)) {
|
|
$methods[] = 'HEAD';
|
|
}
|
|
}
|
|
|
|
return $methods;
|
|
}
|
|
|
|
/**
|
|
* Converts a regex to make it suitable for mod_rewrite
|
|
*
|
|
* @param string $regex The regex
|
|
*
|
|
* @return string The converted regex
|
|
*/
|
|
private function regexToApacheRegex($regex)
|
|
{
|
|
$regexPatternEnd = strrpos($regex, $regex[0]);
|
|
|
|
return preg_replace('/\?P<.+?>/', '', substr($regex, 1, $regexPatternEnd - 1));
|
|
}
|
|
|
|
/**
|
|
* Escapes a string.
|
|
*
|
|
* @param string $string The string to be escaped
|
|
* @param string $char The character to be escaped
|
|
* @param string $with The character to be used for escaping
|
|
*
|
|
* @return string The escaped string
|
|
*/
|
|
private static function escape($string, $char, $with)
|
|
{
|
|
$escaped = false;
|
|
$output = '';
|
|
foreach (str_split($string) as $symbol) {
|
|
if ($escaped) {
|
|
$output .= $symbol;
|
|
$escaped = false;
|
|
continue;
|
|
}
|
|
if ($symbol === $char) {
|
|
$output .= $with.$char;
|
|
continue;
|
|
}
|
|
if ($symbol === $with) {
|
|
$escaped = true;
|
|
}
|
|
$output .= $symbol;
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Normalizes an array of values.
|
|
*
|
|
* @param array $values
|
|
*
|
|
* @return string[]
|
|
*/
|
|
private function normalizeValues(array $values)
|
|
{
|
|
$normalizedValues = array();
|
|
foreach ($values as $key => $value) {
|
|
if (is_array($value)) {
|
|
foreach ($value as $index => $bit) {
|
|
$normalizedValues[sprintf('%s[%s]', $key, $index)] = $bit;
|
|
}
|
|
} else {
|
|
$normalizedValues[$key] = (string) $value;
|
|
}
|
|
}
|
|
|
|
return $normalizedValues;
|
|
}
|
|
}
|