-
-
Notifications
You must be signed in to change notification settings - Fork 9.4k
/
MergeExtensionConfigurationPass.php
216 lines (186 loc) · 8.16 KB
/
MergeExtensionConfigurationPass.php
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
<?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\DependencyInjection\Compiler;
use Symfony\Component\Config\Definition\BaseNode;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\LogicException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
use Symfony\Component\DependencyInjection\Extension\ConfigurationExtensionInterface;
use Symfony\Component\DependencyInjection\Extension\Extension;
use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
use Symfony\Component\DependencyInjection\ParameterBag\EnvPlaceholderParameterBag;
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
/**
* Merges extension configs into the container builder.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class MergeExtensionConfigurationPass implements CompilerPassInterface
{
/**
* {@inheritdoc}
*/
public function process(ContainerBuilder $container)
{
$parameters = $container->getParameterBag()->all();
$definitions = $container->getDefinitions();
$aliases = $container->getAliases();
$exprLangProviders = $container->getExpressionLanguageProviders();
$configAvailable = class_exists(BaseNode::class);
foreach ($container->getExtensions() as $extension) {
if ($extension instanceof PrependExtensionInterface) {
$extension->prepend($container);
}
}
foreach ($container->getExtensions() as $name => $extension) {
if (!$config = $container->getExtensionConfig($name)) {
// this extension was not called
continue;
}
$resolvingBag = $container->getParameterBag();
if ($resolvingBag instanceof EnvPlaceholderParameterBag && $extension instanceof Extension) {
// create a dedicated bag so that we can track env vars per-extension
$resolvingBag = new MergeExtensionConfigurationParameterBag($resolvingBag);
if ($configAvailable) {
BaseNode::setPlaceholderUniquePrefix($resolvingBag->getEnvPlaceholderUniquePrefix());
}
}
$config = $resolvingBag->resolveValue($config);
try {
$tmpContainer = new MergeExtensionConfigurationContainerBuilder($extension, $resolvingBag);
$tmpContainer->setResourceTracking($container->isTrackingResources());
$tmpContainer->addObjectResource($extension);
if ($extension instanceof ConfigurationExtensionInterface && null !== $configuration = $extension->getConfiguration($config, $tmpContainer)) {
$tmpContainer->addObjectResource($configuration);
}
foreach ($exprLangProviders as $provider) {
$tmpContainer->addExpressionLanguageProvider($provider);
}
$extension->load($config, $tmpContainer);
} catch (\Exception $e) {
if ($resolvingBag instanceof MergeExtensionConfigurationParameterBag) {
$container->getParameterBag()->mergeEnvPlaceholders($resolvingBag);
}
throw $e;
} finally {
if ($configAvailable) {
BaseNode::resetPlaceholders();
}
}
if ($resolvingBag instanceof MergeExtensionConfigurationParameterBag) {
// don't keep track of env vars that are *overridden* when configs are merged
$resolvingBag->freezeAfterProcessing($extension, $tmpContainer);
}
$container->merge($tmpContainer);
$container->getParameterBag()->add($parameters);
}
$container->addDefinitions($definitions);
$container->addAliases($aliases);
}
}
/**
* @internal
*/
class MergeExtensionConfigurationParameterBag extends EnvPlaceholderParameterBag
{
private $processedEnvPlaceholders;
public function __construct(parent $parameterBag)
{
parent::__construct($parameterBag->all());
$this->mergeEnvPlaceholders($parameterBag);
}
public function freezeAfterProcessing(Extension $extension, ContainerBuilder $container)
{
if (!$config = $extension->getProcessedConfigs()) {
// Extension::processConfiguration() wasn't called, we cannot know how configs were merged
return;
}
$this->processedEnvPlaceholders = [];
// serialize config and container to catch env vars nested in object graphs
$config = serialize($config).serialize($container->getDefinitions()).serialize($container->getAliases()).serialize($container->getParameterBag()->all());
foreach (parent::getEnvPlaceholders() as $env => $placeholders) {
foreach ($placeholders as $placeholder) {
if (false !== stripos($config, $placeholder)) {
$this->processedEnvPlaceholders[$env] = $placeholders;
break;
}
}
}
}
/**
* {@inheritdoc}
*/
public function getEnvPlaceholders()
{
return null !== $this->processedEnvPlaceholders ? $this->processedEnvPlaceholders : parent::getEnvPlaceholders();
}
public function getUnusedEnvPlaceholders(): array
{
return null === $this->processedEnvPlaceholders ? [] : array_diff_key(parent::getEnvPlaceholders(), $this->processedEnvPlaceholders);
}
}
/**
* A container builder preventing using methods that wouldn't have any effect from extensions.
*
* @internal
*/
class MergeExtensionConfigurationContainerBuilder extends ContainerBuilder
{
private $extensionClass;
public function __construct(ExtensionInterface $extension, ParameterBagInterface $parameterBag = null)
{
parent::__construct($parameterBag);
$this->extensionClass = \get_class($extension);
}
/**
* {@inheritdoc}
*/
public function addCompilerPass(CompilerPassInterface $pass, $type = PassConfig::TYPE_BEFORE_OPTIMIZATION, int $priority = 0)
{
throw new LogicException(sprintf('You cannot add compiler pass "%s" from extension "%s". Compiler passes must be registered before the container is compiled.', \get_class($pass), $this->extensionClass));
}
/**
* {@inheritdoc}
*/
public function registerExtension(ExtensionInterface $extension)
{
throw new LogicException(sprintf('You cannot register extension "%s" from "%s". Extensions must be registered before the container is compiled.', \get_class($extension), $this->extensionClass));
}
/**
* {@inheritdoc}
*/
public function compile(bool $resolveEnvPlaceholders = false)
{
throw new LogicException(sprintf('Cannot compile the container in extension "%s".', $this->extensionClass));
}
/**
* {@inheritdoc}
*/
public function resolveEnvPlaceholders($value, $format = null, array &$usedEnvs = null)
{
if (true !== $format || !\is_string($value)) {
return parent::resolveEnvPlaceholders($value, $format, $usedEnvs);
}
$bag = $this->getParameterBag();
$value = $bag->resolveValue($value);
foreach ($bag->getEnvPlaceholders() as $env => $placeholders) {
if (false === strpos($env, ':')) {
continue;
}
foreach ($placeholders as $placeholder) {
if (false !== stripos($value, $placeholder)) {
throw new RuntimeException(sprintf('Using a cast in "env(%s)" is incompatible with resolution at compile time in "%s". The logic in the extension should be moved to a compiler pass, or an env parameter with no cast should be used instead.', $env, $this->extensionClass));
}
}
}
return parent::resolveEnvPlaceholders($value, $format, $usedEnvs);
}
}