123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157 |
- <?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;
-
-
- /**
- * 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]");
- $methodVars = array();
-
- foreach ($this->getRoutes()->all() as $name => $route) {
- $compiledRoute = $route->compile();
-
- // prepare the apache regex
- $regex = $compiledRoute->getRegex();
- $delimiter = $regex[0];
- $regexPatternEnd = strrpos($regex, $delimiter);
- if (strlen($regex) < 2 || 0 === $regexPatternEnd) {
- throw new \LogicException('The "%s" route regex "%s" is invalid', $name, $regex);
- }
- $regex = preg_replace('/\?P<.+?>/', '', substr($regex, 1, $regexPatternEnd - 1));
- $regex = '^'.self::escape(preg_quote($options['base_uri']).substr($regex, 1), ' ', '\\');
-
- $hasTrailingSlash = '/$' == substr($regex, -2) && '^/$' != $regex;
-
- $variables = array('E=_ROUTING__route:'.$name);
- foreach ($compiledRoute->getVariables() as $i => $variable) {
- $variables[] = 'E=_ROUTING_'.$variable.':%'.($i + 1);
- }
- foreach ($route->getDefaults() as $key => $value) {
- $variables[] = 'E=_ROUTING_'.$key.':'.strtr($value, array(
- ':' => '\\:',
- '=' => '\\=',
- '\\' => '\\\\',
- ' ' => '\\ ',
- ));
- }
- $variables = implode(',', $variables);
-
- $rule = array("# $name");
-
- // method mismatch
- if ($req = $route->getRequirement('_method')) {
- $methods = explode('|', strtoupper($req));
- // GET and HEAD are equivalent
- if (in_array('GET', $methods) && !in_array('HEAD', $methods)) {
- $methods[] = 'HEAD';
- }
- $allow = array();
- foreach ($methods as $method) {
- $methodVars[] = $method;
- $allow[] = 'E=_ROUTING__allow_'.$method.':1';
- }
-
- $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) {
- $rule[] = 'RewriteCond %{REQUEST_URI} '.substr($regex, 0, -2).'$';
- $rule[] = 'RewriteRule .* $0/ [QSA,L,R=301]';
- }
-
- // the main rule
- $rule[] = "RewriteCond %{REQUEST_URI} $regex";
- $rule[] = "RewriteRule .* {$options['script_name']} [QSA,L,$variables]";
-
- $rules[] = implode("\n", $rule);
- }
-
- if (0 < count($methodVars)) {
- $rule = array('# 405 Method Not Allowed');
- $methodVars = array_values(array_unique($methodVars));
- foreach ($methodVars as $i => $methodVar) {
- $rule[] = sprintf('RewriteCond %%{_ROUTING__allow_%s} !-z%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";
- }
-
- /**
- * Escapes a string.
- *
- * @param string $string The string to be escaped
- * @param string $char The character to be escaped
- * @param string $with The character to be used for escaping
- *
- * @return string The escaped string
- */
- static private function escape($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;
- }
- }
|