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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 | |||
13 | /** |
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14 | * AclHelper is a helper class to help setting the permissions when querying using native queries |
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15 | * |
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16 | * @see https://gist.github.com/1363377 |
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17 | */ |
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18 | class AclNativeHelper |
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19 | { |
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20 | /** |
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21 | * @var EntityManager |
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22 | */ |
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23 | private $em = null; |
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24 | |||
25 | /** |
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26 | * @var TokenStorageInterface |
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27 | */ |
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28 | private $tokenStorage = null; |
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29 | |||
30 | /** |
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31 | * @var RoleHierarchyInterface |
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32 | */ |
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33 | private $roleHierarchy = null; |
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34 | |||
35 | /** |
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36 | * @var bool |
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37 | */ |
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38 | private $permissionsEnabled; |
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39 | |||
40 | /** |
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41 | * Constructor. |
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42 | * |
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43 | * @param EntityManager $em The entity manager |
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44 | * @param TokenStorageInterface $tokenStorage The security context |
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45 | * @param RoleHierarchyInterface $rh The role hierarchies |
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46 | */ |
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47 | 3 | View Code Duplication | public function __construct(EntityManager $em, TokenStorageInterface $tokenStorage, RoleHierarchyInterface $rh, $permissionsEnabled = true) |
48 | { |
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49 | 3 | $this->em = $em; |
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50 | 3 | $this->tokenStorage = $tokenStorage; |
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51 | 3 | $this->roleHierarchy = $rh; |
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52 | 3 | $this->permissionsEnabled = $permissionsEnabled; |
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53 | 3 | } |
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54 | |||
55 | /** |
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56 | * Apply the ACL constraints to the specified query builder, using the permission definition |
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57 | * |
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58 | * @param QueryBuilder $queryBuilder The query builder |
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59 | * @param PermissionDefinition $permissionDef The permission definition |
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60 | * |
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61 | * @return QueryBuilder |
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62 | */ |
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63 | 2 | public function apply(QueryBuilder $queryBuilder, PermissionDefinition $permissionDef) |
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64 | { |
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65 | 2 | if (!$this->permissionsEnabled) { |
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66 | return $queryBuilder; |
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67 | } |
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68 | |||
69 | 2 | $aclConnection = $this->em->getConnection(); |
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70 | |||
71 | 2 | $databasePrefix = is_file($aclConnection->getDatabase()) ? '' : $aclConnection->getDatabase().'.'; |
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72 | 2 | $rootEntity = $permissionDef->getEntity(); |
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73 | 2 | $linkAlias = $permissionDef->getAlias(); |
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74 | // Only tables with a single ID PK are currently supported |
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75 | 2 | $linkField = $this->em->getClassMetadata($rootEntity)->getSingleIdentifierColumnName(); |
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76 | |||
77 | 2 | $rootEntity = '"' . str_replace('\\', '\\\\', $rootEntity) . '"'; |
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78 | 2 | $query = $queryBuilder; |
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79 | |||
80 | 2 | $builder = new MaskBuilder(); |
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81 | 2 | View Code Duplication | foreach ($permissionDef->getPermissions() as $permission) { |
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82 | 2 | $mask = \constant(\get_class($builder) . '::MASK_' . strtoupper($permission)); |
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83 | 2 | $builder->add($mask); |
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84 | } |
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85 | 2 | $mask = $builder->get(); |
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86 | |||
87 | /* @var $token TokenInterface */ |
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88 | 2 | $token = $this->tokenStorage->getToken(); |
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89 | 2 | $userRoles = array(); |
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90 | 2 | $user = null; |
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91 | 2 | View Code Duplication | if (!\is_null($token)) { |
92 | 2 | $user = $token->getUser(); |
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93 | 2 | if (method_exists($this->roleHierarchy, 'getReachableRoleNames')) { |
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94 | 2 | $userRoles = $this->roleHierarchy->getReachableRoleNames($token->getRoleNames()); |
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95 | } else { |
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96 | // Symfony 3.4 compatibility |
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97 | $userRoles = $this->roleHierarchy->getReachableRoles($token->getRoles()); |
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98 | } |
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99 | } |
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100 | |||
101 | // Security context does not provide anonymous role automatically. |
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102 | 2 | $uR = array('"IS_AUTHENTICATED_ANONYMOUSLY"'); |
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103 | |||
104 | 2 | View Code Duplication | foreach ($userRoles as $role) { |
105 | // The reason we ignore this is because by default FOSUserBundle adds ROLE_USER for every user |
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106 | 2 | if (is_string($role)) { |
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107 | 2 | if ($role !== 'ROLE_USER') { |
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108 | 2 | $uR[] = '"' . $role . '"'; |
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109 | } |
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110 | } else { |
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111 | // Symfony 3.4 compatibility |
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112 | if ($role->getRole() !== 'ROLE_USER') { |
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113 | $uR[] = '"' . $role->getRole() . '"'; |
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114 | } |
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115 | } |
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116 | } |
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117 | 2 | $uR = array_unique($uR); |
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118 | 2 | $inString = implode(' OR s.identifier = ', $uR); |
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119 | |||
120 | 2 | View Code Duplication | if (\is_object($user)) { |
121 | 1 | $inString .= ' OR s.identifier = "' . str_replace( |
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122 | 1 | '\\', |
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123 | 1 | '\\\\', |
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124 | 1 | \get_class($user) |
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125 | 1 | ) . '-' . $user->getUserName() . '"'; |
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126 | } |
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127 | |||
128 | $joinTableQuery = <<<SELECTQUERY |
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129 | 2 | SELECT DISTINCT o.object_identifier as id FROM {$databasePrefix}acl_object_identities as o |
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130 | 2 | INNER JOIN {$databasePrefix}acl_classes c ON c.id = o.class_id |
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131 | 2 | LEFT JOIN {$databasePrefix}acl_entries e ON ( |
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132 | e.class_id = o.class_id AND (e.object_identity_id = o.id |
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133 | 2 | OR {$aclConnection->getDatabasePlatform()->getIsNullExpression('e.object_identity_id')}) |
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134 | ) |
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135 | 2 | LEFT JOIN {$databasePrefix}acl_security_identities s ON ( |
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136 | s.id = e.security_identity_id |
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137 | ) |
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138 | 2 | WHERE c.class_type = {$rootEntity} |
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139 | 2 | AND (s.identifier = {$inString}) |
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140 | 2 | AND e.mask & {$mask} > 0 |
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141 | SELECTQUERY; |
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142 | |||
143 | 2 | $query->join($linkAlias, '(' . $joinTableQuery . ')', 'perms_', 'perms_.id = ' . $linkAlias . '.' . $linkField); |
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144 | |||
145 | 2 | return $query; |
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146 | } |
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147 | |||
148 | /** |
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149 | * @return TokenStorageInterface|null |
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150 | */ |
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151 | 1 | public function getTokenStorage() |
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152 | { |
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153 | 1 | return $this->tokenStorage; |
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154 | } |
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155 | } |
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156 |
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.