YamlFileLoader.php
12.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
<?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\Loader;
use Symfony\Component\Config\Loader\FileLoader;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Routing\Loader\Configurator\Traits\HostTrait;
use Symfony\Component\Routing\Loader\Configurator\Traits\LocalizedRouteTrait;
use Symfony\Component\Routing\Loader\Configurator\Traits\PrefixTrait;
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Parser as YamlParser;
use Symfony\Component\Yaml\Yaml;
/**
* YamlFileLoader loads Yaml routing files.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Tobias Schultze <http://tobion.de>
*/
class YamlFileLoader extends FileLoader
{
use HostTrait;
use LocalizedRouteTrait;
use PrefixTrait;
private const AVAILABLE_KEYS = [
'resource', 'type', 'prefix', 'path', 'host', 'schemes', 'methods', 'defaults', 'requirements', 'options', 'condition', 'controller', 'name_prefix', 'trailing_slash_on_root', 'locale', 'format', 'utf8', 'exclude', 'stateless',
];
private $yamlParser;
/**
* Loads a Yaml file.
*
* @param string $file A Yaml file path
* @param string|null $type The resource type
*
* @return RouteCollection
*
* @throws \InvalidArgumentException When a route can't be parsed because YAML is invalid
*/
public function load($file, ?string $type = null)
{
$path = $this->locator->locate($file);
if (!stream_is_local($path)) {
throw new \InvalidArgumentException(sprintf('This is not a local file "%s".', $path));
}
if (!file_exists($path)) {
throw new \InvalidArgumentException(sprintf('File "%s" not found.', $path));
}
if (null === $this->yamlParser) {
$this->yamlParser = new YamlParser();
}
try {
$parsedConfig = $this->yamlParser->parseFile($path, Yaml::PARSE_CONSTANT);
} catch (ParseException $e) {
throw new \InvalidArgumentException(sprintf('The file "%s" does not contain valid YAML: ', $path).$e->getMessage(), 0, $e);
}
$collection = new RouteCollection();
$collection->addResource(new FileResource($path));
// empty file
if (null === $parsedConfig) {
return $collection;
}
// not an array
if (!\is_array($parsedConfig)) {
throw new \InvalidArgumentException(sprintf('The file "%s" must contain a YAML array.', $path));
}
foreach ($parsedConfig as $name => $config) {
if (0 === strpos($name, 'when@')) {
if (!$this->env || 'when@'.$this->env !== $name) {
continue;
}
foreach ($config as $name => $config) {
$this->validate($config, $name.'" when "@'.$this->env, $path);
if (isset($config['resource'])) {
$this->parseImport($collection, $config, $path, $file);
} else {
$this->parseRoute($collection, $name, $config, $path);
}
}
continue;
}
$this->validate($config, $name, $path);
if (isset($config['resource'])) {
$this->parseImport($collection, $config, $path, $file);
} else {
$this->parseRoute($collection, $name, $config, $path);
}
}
return $collection;
}
/**
* {@inheritdoc}
*/
public function supports($resource, ?string $type = null)
{
return \is_string($resource) && \in_array(pathinfo($resource, \PATHINFO_EXTENSION), ['yml', 'yaml'], true) && (!$type || 'yaml' === $type);
}
/**
* Parses a route and adds it to the RouteCollection.
*/
protected function parseRoute(RouteCollection $collection, string $name, array $config, string $path)
{
if (isset($config['alias'])) {
$alias = $collection->addAlias($name, $config['alias']);
$deprecation = $config['deprecated'] ?? null;
if (null !== $deprecation) {
$alias->setDeprecated(
$deprecation['package'],
$deprecation['version'],
$deprecation['message'] ?? ''
);
}
return;
}
$defaults = $config['defaults'] ?? [];
$requirements = $config['requirements'] ?? [];
$options = $config['options'] ?? [];
foreach ($requirements as $placeholder => $requirement) {
if (\is_int($placeholder)) {
throw new \InvalidArgumentException(sprintf('A placeholder name must be a string (%d given). Did you forget to specify the placeholder key for the requirement "%s" of route "%s" in "%s"?', $placeholder, $requirement, $name, $path));
}
}
if (isset($config['controller'])) {
$defaults['_controller'] = $config['controller'];
}
if (isset($config['locale'])) {
$defaults['_locale'] = $config['locale'];
}
if (isset($config['format'])) {
$defaults['_format'] = $config['format'];
}
if (isset($config['utf8'])) {
$options['utf8'] = $config['utf8'];
}
if (isset($config['stateless'])) {
$defaults['_stateless'] = $config['stateless'];
}
$routes = $this->createLocalizedRoute($collection, $name, $config['path']);
$routes->addDefaults($defaults);
$routes->addRequirements($requirements);
$routes->addOptions($options);
$routes->setSchemes($config['schemes'] ?? []);
$routes->setMethods($config['methods'] ?? []);
$routes->setCondition($config['condition'] ?? null);
if (isset($config['host'])) {
$this->addHost($routes, $config['host']);
}
}
/**
* Parses an import and adds the routes in the resource to the RouteCollection.
*/
protected function parseImport(RouteCollection $collection, array $config, string $path, string $file)
{
$type = $config['type'] ?? null;
$prefix = $config['prefix'] ?? '';
$defaults = $config['defaults'] ?? [];
$requirements = $config['requirements'] ?? [];
$options = $config['options'] ?? [];
$host = $config['host'] ?? null;
$condition = $config['condition'] ?? null;
$schemes = $config['schemes'] ?? null;
$methods = $config['methods'] ?? null;
$trailingSlashOnRoot = $config['trailing_slash_on_root'] ?? true;
$namePrefix = $config['name_prefix'] ?? null;
$exclude = $config['exclude'] ?? null;
if (isset($config['controller'])) {
$defaults['_controller'] = $config['controller'];
}
if (isset($config['locale'])) {
$defaults['_locale'] = $config['locale'];
}
if (isset($config['format'])) {
$defaults['_format'] = $config['format'];
}
if (isset($config['utf8'])) {
$options['utf8'] = $config['utf8'];
}
if (isset($config['stateless'])) {
$defaults['_stateless'] = $config['stateless'];
}
$this->setCurrentDir(\dirname($path));
/** @var RouteCollection[] $imported */
$imported = $this->import($config['resource'], $type, false, $file, $exclude) ?: [];
if (!\is_array($imported)) {
$imported = [$imported];
}
foreach ($imported as $subCollection) {
$this->addPrefix($subCollection, $prefix, $trailingSlashOnRoot);
if (null !== $host) {
$this->addHost($subCollection, $host);
}
if (null !== $condition) {
$subCollection->setCondition($condition);
}
if (null !== $schemes) {
$subCollection->setSchemes($schemes);
}
if (null !== $methods) {
$subCollection->setMethods($methods);
}
if (null !== $namePrefix) {
$subCollection->addNamePrefix($namePrefix);
}
$subCollection->addDefaults($defaults);
$subCollection->addRequirements($requirements);
$subCollection->addOptions($options);
$collection->addCollection($subCollection);
}
}
/**
* Validates the route configuration.
*
* @param array $config A resource config
* @param string $name The config key
* @param string $path The loaded file path
*
* @throws \InvalidArgumentException If one of the provided config keys is not supported,
* something is missing or the combination is nonsense
*/
protected function validate($config, string $name, string $path)
{
if (!\is_array($config)) {
throw new \InvalidArgumentException(sprintf('The definition of "%s" in "%s" must be a YAML array.', $name, $path));
}
if (isset($config['alias'])) {
$this->validateAlias($config, $name, $path);
return;
}
if ($extraKeys = array_diff(array_keys($config), self::AVAILABLE_KEYS)) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" contains unsupported keys for "%s": "%s". Expected one of: "%s".', $path, $name, implode('", "', $extraKeys), implode('", "', self::AVAILABLE_KEYS)));
}
if (isset($config['resource']) && isset($config['path'])) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "resource" key and the "path" key for "%s". Choose between an import and a route definition.', $path, $name));
}
if (!isset($config['resource']) && isset($config['type'])) {
throw new \InvalidArgumentException(sprintf('The "type" key for the route definition "%s" in "%s" is unsupported. It is only available for imports in combination with the "resource" key.', $name, $path));
}
if (!isset($config['resource']) && !isset($config['path'])) {
throw new \InvalidArgumentException(sprintf('You must define a "path" for the route "%s" in file "%s".', $name, $path));
}
if (isset($config['controller']) && isset($config['defaults']['_controller'])) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "controller" key and the defaults key "_controller" for "%s".', $path, $name));
}
if (isset($config['stateless']) && isset($config['defaults']['_stateless'])) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "stateless" key and the defaults key "_stateless" for "%s".', $path, $name));
}
}
/**
* @throws \InvalidArgumentException If one of the provided config keys is not supported,
* something is missing or the combination is nonsense
*/
private function validateAlias(array $config, string $name, string $path): void
{
foreach ($config as $key => $value) {
if (!\in_array($key, ['alias', 'deprecated'], true)) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify other keys than "alias" and "deprecated" for "%s".', $path, $name));
}
if ('deprecated' === $key) {
if (!isset($value['package'])) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" must specify the attribute "package" of the "deprecated" option for "%s".', $path, $name));
}
if (!isset($value['version'])) {
throw new \InvalidArgumentException(sprintf('The routing file "%s" must specify the attribute "version" of the "deprecated" option for "%s".', $path, $name));
}
}
}
}
}