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Configuration.php
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Configuration.php
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<?php
namespace Syntelix\Bundle\OidcRelyingPartyBundle\DependencyInjection;
use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;
use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
/**
* This is the class that validates and merges configuration from your app/config files.
*
* To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
*/
class Configuration implements ConfigurationInterface
{
/**
* @param $display
*
* @return bool
*/
public static function isHttpMethodSupported($display)
{
$displays = array(
'POST',
'GET',
);
return in_array($display, $displays);
}
/**
* @param $display
*
* @return bool
*/
public static function isDisplaySupported($display)
{
$displays = array(
'page',
'popup',
'touch',
'wap',
);
return in_array($display, $displays);
}
/**
* @param $prompt
*
* @return bool
*/
public static function isPromptSupported($prompt)
{
$displays = array(
'none',
'login',
'consent',
'select_account',
);
return in_array($prompt, $displays);
}
/**
* {@inheritdoc}
*/
public function getConfigTreeBuilder()
{
$treeBuilder = new TreeBuilder();
$rootNode = $treeBuilder->root('syntelix_oidc_rp');
$this->addHttpClientConfiguration($rootNode);
$this->addSignatureConfiguration($rootNode);
$this->addReplayAttackParadeConfiguration($rootNode);
$rootNode
->children()
->scalarNode('base_url')->end()
// URI where the user is redirected after a logout
->scalarNode('redirect_after_logout')->defaultNull()->end()
->scalarNode('client_id')->cannotBeEmpty()->end()
->scalarNode('client_secret')->cannotBeEmpty()->end()
// issuer is the URL of the OpenId Connect Provider
// This is needed for validate response of the OpenId Connect Provider
->scalarNode('issuer')->cannotBeEmpty()->end()
// 'token_ttl' value correspond to the iat
// Time at which the JWT was issued. Its value is a
// JSON number representing the number of seconds
// from 1970-01-01T0:0:0Z as measured in UTC until the date/time.
// Value is stored in second, default 5 minutes
->scalarNode('token_ttl')->defaultValue(300)->end()
// 'authentication_ttl' value correspond to max_age
// Maximum Authentication Age. Specifies the allowable elapsed
// time in seconds since the last time the End-User was actively
// authenticated by the OP. If the elapsed time is greater than
// this value, the OP MUST attempt to actively re-authenticate
// the End-User. (The max_age request parameter corresponds to
// the OpenID 2.0 PAPE [OpenID.PAPE] max_auth_age request parameter.)
// When max_age is used, the ID Token returned MUST include
// an auth_time Claim Value.
// Value is stored in second, default 5 minutes
->scalarNode('authentication_ttl')->defaultValue(300)->end()
// @see http://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
->scalarNode('ui_locales')->end()
// Define the method (POST, GET) used to request the Enduserinfo Endpoint of the OIDC Provider
->scalarNode('enduserinfo_request_method')
->validate()
->ifTrue(function ($display) {
return !Configuration::isHttpMethodSupported($display);
})
->thenInvalid('Unknown request method "%s".')
->end()
->defaultValue('POST')->end()
// ASCII string value that specifies how the Authorization Server
// displays the authentication and consent user interface pages
// to the End-User. The defined values are:
// @see http://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
->scalarNode('display')
->validate()
->ifTrue(function ($display) {
return !Configuration::isDisplaySupported($display);
})
->thenInvalid('Unknown display type "%s".')
->end()
->end()
->scalarNode('prompt')
->validate()
->ifTrue(function ($display) {
return !Configuration::isPromptSupported($display);
})
->thenInvalid('Unknown prompt type "%s".')
->end()
->end()
->scalarNode('scope')
->validate()
->ifTrue(function ($v) {
return empty($v);
})
->thenUnset()
->end()
->end()
->end()
->children()
// Endpoints URL are the part of the URL after the OpenId Connect Provider URL
// If OpenId Connect Provider URL is https://www.myoicop.com/iocp
// The authorization endpoint configuration is just /authorization
->arrayNode('endpoints_url')
->isRequired()
->children()
->scalarNode('authorization')
->validate()
->ifTrue(function ($v) {
return empty($v);
})
->thenUnset()
->end()
->end()
->scalarNode('token')
->validate()
->ifTrue(function ($v) {
return empty($v);
})
->thenUnset()
->end()
->end()
->scalarNode('userinfo')
->validate()
->ifTrue(function ($v) {
return empty($v);
})
->thenUnset()
->end()
->end()
->scalarNode('logout')
->validate()
->ifTrue(function ($v) {
return empty($v);
})
->thenUnset()
->end()
->end()
->end()
->end()
->end()
;
return $treeBuilder;
}
/**
* @param ArrayNodeDefinition $node
*/
private function addHttpClientConfiguration(ArrayNodeDefinition $node)
{
$node
->children()
->arrayNode('http_client')
->addDefaultsIfNotSet()
->children()
->scalarNode('timeout')->defaultValue(5)->cannotBeEmpty()->end()
->booleanNode('verify_peer')->defaultTrue()->end()
->scalarNode('max_redirects')->defaultValue(5)->cannotBeEmpty()->end()
->booleanNode('ignore_errors')->defaultTrue()->end()
->scalarNode('proxy')->end()
->end()
->end()
->end()
;
}
/**
* @param ArrayNodeDefinition $node
*/
private function addSignatureConfiguration(ArrayNodeDefinition $node)
{
$node
->children()
// URL to the Json Web Key
->scalarNode('jwk_url')->defaultNull()->end()
// Validity periods in second where the JWK is valid
->scalarNode('jwk_cache_ttl')->defaultValue(86400)->end()
// @see http://openid.net/specs/openid-connect-registration-1_0.html#ClientMetadata
->scalarNode('userinfo_signed_response_alg')->defaultNull()->end()
->scalarNode('id_token_signed_response_alg')->defaultNull()->end()
->end()
;
}
/**
* @param ArrayNodeDefinition $node
*/
private function addReplayAttackParadeConfiguration(ArrayNodeDefinition $node)
{
$node
->children()
->scalarNode('enabled_state')->defaultTrue()->end()
->scalarNode('enabled_nonce')->defaultTrue()->end()
->end()
;
}
}