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by Jean-Christophe
02:05
created

AclList::getElementByName()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 3

Importance

Changes 0
Metric Value
cc 3
eloc 4
nc 3
nop 3
dl 0
loc 7
ccs 5
cts 5
cp 1
crap 3
rs 10
c 0
b 0
f 0
1
<?php
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namespace Ubiquity\security\acl\models;
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use Ubiquity\security\acl\persistence\AclProviderInterface;
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use Ubiquity\exceptions\AclException;
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/**
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 * Ubiquity\security\acl\models$AclList
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 * This class is part of Ubiquity
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 *
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 * @author jc
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 * @version 1.0.0
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 *
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 */
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class AclList {
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	/**
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	 *
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	 * @var AclElement[]
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	 */
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	protected $acls;
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	/**
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	 *
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	 * @var Role[]
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	 */
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	protected $roles;
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	/**
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	 *
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	 * @var \Ubiquity\security\acl\models\Resource[]
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	 */
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	protected $resources;
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	/**
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	 *
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	 * @var Permission[]
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	 */
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	protected $permissions;
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	/**
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	 *
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	 * @var AclLoaderInterface[]
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	 */
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	protected $providers;
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	protected $elementsCache = [];
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	protected function getElementByName(string $name, array $inArray, string $type) {
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		foreach ($inArray as $elm) {
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			if ($elm->getName() == $name) {
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				return $elm;
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			}
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		}
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		throw new AclException("$name does not exist in $type ACL");
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	}
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	protected function elementExistByName(string $name, array $inArray): bool {
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		foreach ($inArray as $elm) {
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			if ($elm->getName() == $name) {
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				return true;
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			}
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		}
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		return false;
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	}
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	public function init() {
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		$this->roles[] = new Role('@ALL');
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		$this->resources[] = new Resource('*');
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		$this->permissions[] = new Permission('ALL', 1000);
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		$this->acls = [];
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	}
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	public function getRoleByName(string $name) {
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		return $this->elementsCache["role_$name"] ??= $this->getElementByName($name, $this->roles, 'roles');
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	}
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	public function getResourceByName(string $name) {
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		return $this->elementsCache["res_$name"] ??= $this->getElementByName($name, $this->resources, 'resources');
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	}
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	public function getPermissionByName(string $name) {
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		return $this->elementsCache["perm_$name"] ??= $this->getElementByName($name, $this->permissions, 'permissions');
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	}
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	public function loadAcls(): array {
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		foreach ($this->providers as $provider) {
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			$this->acls += $provider->loadAllAcls();
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		}
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		return $this->acls;
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	}
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	public function loadRoles(): array {
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		foreach ($this->providers as $provider) {
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			$this->roles += $provider->loadAllRoles();
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		}
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		return $this->roles;
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	}
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	public function loadResources(): array {
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		foreach ($this->providers as $provider) {
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			$this->resources += $provider->loadAllResources();
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		}
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		return $this->resources;
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	}
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	public function loadPermissions(): array {
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		foreach ($this->providers as $provider) {
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			$this->permissions += $provider->loadAllPermissions();
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		}
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		return $this->permissions;
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	}
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	public function addProvider(AclProviderInterface $provider) {
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		$this->providers[] = $provider;
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	}
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	/**
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	 *
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	 * @return AclElement[]
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	 */
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	public function getAcls() {
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		return $this->acls;
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	}
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	/**
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	 *
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	 * @return Role[]
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	 */
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	public function getRoles() {
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		return $this->roles;
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	}
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	/**
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	 *
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	 * @return \Ubiquity\security\acl\models\Resource[]
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	 */
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	public function getResources() {
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		return $this->resources;
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	}
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	/**
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	 *
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	 * @return Permission[]
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	 */
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	public function getPermissions() {
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		return $this->permissions;
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	}
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	/**
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	 *
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	 * @return AclLoaderInterface[]
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	 */
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	public function getProviders() {
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		return $this->providers;
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	}
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	/**
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	 *
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	 * @param AclLoaderInterface[] $providers
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	 */
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	public function setProviders($providers) {
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		$this->providers = $providers;
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	}
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	public function addRole(Role $role) {
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		$this->roles[$role->getName()] = $role;
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	}
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	public function addResource(Resource $resource) {
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		$this->resources[$resource->getName()] = $resource;
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	}
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	public function addPermission(Permission $permission) {
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		$this->permissions[$permission->getName()] = $permission;
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	}
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	public function setPermissionLevel(string $name, int $level) {
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		$perm = $this->getPermissionByName($name);
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		$perm->setLevel($level);
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	}
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	public function allow(string $roleName, string $resourceName, string $permissionName) {
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		$aclElm = new AclElement();
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		$aclElm->allow($this->getRoleByName($roleName), $this->getResourceByName($resourceName), $this->getPermissionByName($permissionName));
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		$this->acls[] = $aclElm;
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	}
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	public function getRolePermissionsOn(string $roleName, $resourceName = '*'): array {
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		$role = $this->getRoleByName($roleName);
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		$parents = $role->getParents();
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		$result = [];
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		foreach ($this->acls as $aclElement) {
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			$aclRoleName = $aclElement->getRole()->getName();
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			if ($aclRoleName === '@ALL' || $aclRoleName === $roleName) {
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				$aclResourceName = $aclElement->getResource()->getName();
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				if ($aclResourceName === '*' || $aclResourceName === $resourceName) {
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					$result[] = $aclElement;
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				}
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			}
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		}
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		foreach ($parents as $parentElm) {
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			$result += $this->getRolePermissionsOn($parentElm, $resourceName);
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		}
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		return $result;
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	}
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	public function isAllowed(string $roleName, string $resourceName, string $permissionName) {
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		$acls = $this->getRolePermissionsOn($roleName, $resourceName);
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		if (\count($acls) > 0) {
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			$permissionLevel = $this->getPermissionByName($permissionName)->getLevel();
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			foreach ($acls as $aclElm) {
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				$level = $aclElm->getPermission()->getLevel();
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				if ($level >= $permissionLevel) {
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					return true;
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				}
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			}
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		}
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		return false;
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	}
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}
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