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1 | <?php |
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2 | |||
3 | namespace Kunstmaan\AdminBundle\Helper\Security\Acl; |
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4 | |||
5 | use Doctrine\DBAL\Query\QueryBuilder; |
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6 | use Doctrine\ORM\EntityManager; |
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7 | use Kunstmaan\AdminBundle\Helper\Security\Acl\Permission\MaskBuilder; |
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8 | use Kunstmaan\AdminBundle\Helper\Security\Acl\Permission\PermissionDefinition; |
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9 | use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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10 | use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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11 | use Symfony\Component\Security\Core\Role\RoleHierarchyInterface; |
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12 | use Symfony\Component\Security\Core\Role\RoleInterface; |
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13 | |||
14 | /** |
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15 | * AclHelper is a helper class to help setting the permissions when querying using native queries |
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16 | * |
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17 | * @see https://gist.github.com/1363377 |
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18 | */ |
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19 | class AclNativeHelper |
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20 | { |
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21 | /** |
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22 | * @var EntityManager |
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23 | */ |
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24 | private $em = null; |
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25 | |||
26 | /** |
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27 | * @var TokenStorageInterface |
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28 | */ |
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29 | private $tokenStorage = null; |
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30 | |||
31 | /** |
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32 | * @var RoleHierarchyInterface |
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33 | */ |
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34 | private $roleHierarchy = null; |
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35 | |||
36 | /** |
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37 | * Constructor. |
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38 | * |
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39 | * @param EntityManager $em The entity manager |
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40 | * @param TokenStorageInterface $tokenStorage The security context |
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41 | * @param RoleHierarchyInterface $rh The role hierarchies |
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42 | */ |
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43 | 1 | public function __construct(EntityManager $em, TokenStorageInterface $tokenStorage, RoleHierarchyInterface $rh) |
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44 | { |
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45 | 1 | $this->em = $em; |
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46 | 1 | $this->tokenStorage = $tokenStorage; |
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47 | 1 | $this->roleHierarchy = $rh; |
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48 | 1 | } |
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49 | |||
50 | /** |
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51 | * Apply the ACL constraints to the specified query builder, using the permission definition |
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52 | * |
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53 | * @param QueryBuilder $queryBuilder The query builder |
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54 | * @param PermissionDefinition $permissionDef The permission definition |
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55 | * |
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56 | * @return QueryBuilder |
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57 | */ |
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58 | public function apply(QueryBuilder $queryBuilder, PermissionDefinition $permissionDef) |
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59 | { |
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60 | $aclConnection = $this->em->getConnection(); |
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61 | |||
62 | $databasePrefix = is_file($aclConnection->getDatabase()) ? '' : $aclConnection->getDatabase().'.'; |
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63 | $rootEntity = $permissionDef->getEntity(); |
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64 | $linkAlias = $permissionDef->getAlias(); |
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65 | // Only tables with a single ID PK are currently supported |
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66 | $linkField = $this->em->getClassMetadata($rootEntity)->getSingleIdentifierColumnName(); |
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67 | |||
68 | $rootEntity = '"' . str_replace('\\', '\\\\', $rootEntity) . '"'; |
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69 | $query = $queryBuilder; |
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70 | |||
71 | $builder = new MaskBuilder(); |
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72 | View Code Duplication | foreach ($permissionDef->getPermissions() as $permission) { |
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73 | $mask = constant(get_class($builder) . '::MASK_' . strtoupper($permission)); |
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74 | $builder->add($mask); |
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75 | } |
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76 | $mask = $builder->get(); |
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77 | |||
78 | /* @var $token TokenInterface */ |
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79 | $token = $this->tokenStorage->getToken(); |
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80 | $userRoles = array(); |
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81 | View Code Duplication | if (!is_null($token)) { |
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82 | $user = $token->getUser(); |
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83 | $userRoles = $this->roleHierarchy->getReachableRoles($token->getRoles()); |
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84 | } |
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85 | |||
86 | // Security context does not provide anonymous role automatically. |
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87 | $uR = array('"IS_AUTHENTICATED_ANONYMOUSLY"'); |
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88 | |||
89 | /* @var $role RoleInterface */ |
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90 | View Code Duplication | foreach ($userRoles as $role) { |
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91 | // The reason we ignore this is because by default FOSUserBundle adds ROLE_USER for every user |
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92 | if ($role->getRole() !== 'ROLE_USER') { |
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93 | $uR[] = '"' . $role->getRole() . '"'; |
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94 | } |
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95 | } |
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96 | $uR = array_unique($uR); |
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97 | $inString = implode(' OR s.identifier = ', (array) $uR); |
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98 | |||
99 | View Code Duplication | if (is_object($user)) { |
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100 | $inString .= ' OR s.identifier = "' . str_replace( |
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101 | '\\', |
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102 | '\\\\', |
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103 | get_class($user) |
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104 | ) . '-' . $user->getUserName() . '"'; |
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105 | } |
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106 | |||
107 | $joinTableQuery = <<<SELECTQUERY |
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108 | SELECT DISTINCT o.object_identifier as id FROM {$databasePrefix}acl_object_identities as o |
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109 | INNER JOIN {$databasePrefix}acl_classes c ON c.id = o.class_id |
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110 | LEFT JOIN {$databasePrefix}acl_entries e ON ( |
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111 | e.class_id = o.class_id AND (e.object_identity_id = o.id |
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112 | OR {$aclConnection->getDatabasePlatform()->getIsNullExpression('e.object_identity_id')}) |
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113 | ) |
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114 | LEFT JOIN {$databasePrefix}acl_security_identities s ON ( |
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115 | s.id = e.security_identity_id |
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116 | ) |
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117 | WHERE c.class_type = {$rootEntity} |
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118 | AND (s.identifier = {$inString}) |
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119 | AND e.mask & {$mask} > 0 |
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120 | SELECTQUERY; |
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121 | |||
122 | $query->join($linkAlias, '(' . $joinTableQuery . ')', 'perms_', 'perms_.id = ' . $linkAlias . '.' . $linkField); |
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123 | |||
124 | return $query; |
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125 | } |
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126 | |||
127 | /** |
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128 | * @return null|TokenStorageInterface |
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129 | */ |
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130 | 1 | public function getTokenStorage() |
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131 | { |
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132 | 1 | return $this->tokenStorage; |
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133 | } |
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134 | } |
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135 |
This method has been deprecated. The supplier of the class has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the method will be removed from the class and what other method or class to use instead.