| 1 |
<?php |
| 2 |
/** |
| 3 |
* AccessHandler.php |
| 4 |
* |
| 5 |
* The AccessHandler class file. |
| 6 |
* |
| 7 |
* PHP versions 5 |
| 8 |
* |
| 9 |
* @author Alexander Schneider <alexanderschneider85@gmail.com> |
| 10 |
* @copyright 2008-2017 Alexander Schneider |
| 11 |
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 |
| 12 |
* @version SVN: $id$ |
| 13 |
* @link http://wordpress.org/extend/plugins/user-access-manager/ |
| 14 |
*/ |
| 15 |
namespace UserAccessManager\Access; |
| 16 |
|
| 17 |
use UserAccessManager\Config\MainConfig; |
| 18 |
use UserAccessManager\Config\WordpressConfig; |
| 19 |
use UserAccessManager\Database\Database; |
| 20 |
use UserAccessManager\Object\ObjectHandler; |
| 21 |
use UserAccessManager\UserGroup\AbstractUserGroup; |
| 22 |
use UserAccessManager\UserGroup\DynamicUserGroup; |
| 23 |
use UserAccessManager\UserGroup\UserGroup; |
| 24 |
use UserAccessManager\UserGroup\UserGroupFactory; |
| 25 |
use UserAccessManager\User\UserHandler; |
| 26 |
use UserAccessManager\Wrapper\Wordpress; |
| 27 |
|
| 28 |
/** |
| 29 |
* Class AccessHandler |
| 30 |
* |
| 31 |
* @package UserAccessManager\AccessHandler |
| 32 |
*/ |
| 33 |
class AccessHandler |
| 34 |
{ |
| 35 |
/** |
| 36 |
* @var Wordpress |
| 37 |
*/ |
| 38 |
private $wordpress; |
| 39 |
|
| 40 |
/** |
| 41 |
* @var WordpressConfig |
| 42 |
*/ |
| 43 |
private $wordpressConfig; |
| 44 |
|
| 45 |
/** |
| 46 |
* @var MainConfig |
| 47 |
*/ |
| 48 |
private $mainConfig; |
| 49 |
|
| 50 |
/** |
| 51 |
* @var Database |
| 52 |
*/ |
| 53 |
private $database; |
| 54 |
|
| 55 |
/** |
| 56 |
* @var ObjectHandler |
| 57 |
*/ |
| 58 |
private $objectHandler; |
| 59 |
|
| 60 |
/** |
| 61 |
* @var UserHandler |
| 62 |
*/ |
| 63 |
private $userHandler; |
| 64 |
|
| 65 |
/** |
| 66 |
* @var UserGroupFactory |
| 67 |
*/ |
| 68 |
private $userGroupFactory; |
| 69 |
|
| 70 |
/** |
| 71 |
* @var null|UserGroup[] |
| 72 |
*/ |
| 73 |
private $userGroups = null; |
| 74 |
|
| 75 |
/** |
| 76 |
* @var null|DynamicUserGroup[] |
| 77 |
*/ |
| 78 |
private $dynamicUserGroups = null; |
| 79 |
|
| 80 |
/** |
| 81 |
* @var null|UserGroup[] |
| 82 |
*/ |
| 83 |
private $filteredUserGroups = null; |
| 84 |
|
| 85 |
/** |
| 86 |
* @var null|AbstractUserGroup[] |
| 87 |
*/ |
| 88 |
private $userGroupsForUser = null; |
| 89 |
|
| 90 |
/** |
| 91 |
* @var null|array |
| 92 |
*/ |
| 93 |
private $excludedTerms = null; |
| 94 |
|
| 95 |
/** |
| 96 |
* @var null|array |
| 97 |
*/ |
| 98 |
private $excludedPosts = null; |
| 99 |
|
| 100 |
/** |
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* @var array |
| 102 |
*/ |
| 103 |
private $objectUserGroups = []; |
| 104 |
|
| 105 |
/** |
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* @var array |
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*/ |
| 108 |
private $objectAccess = []; |
| 109 |
|
| 110 |
/** |
| 111 |
* @var null|array |
| 112 |
*/ |
| 113 |
private $noneHiddenPostTypes = null; |
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|
| 115 |
/** |
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* AccessHandler constructor. |
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* |
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* @param Wordpress $wordpress |
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* @param WordpressConfig $wordpressConfig |
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* @param MainConfig $mainConfig |
| 121 |
* @param Database $database |
| 122 |
* @param ObjectHandler $objectHandler |
| 123 |
* @param UserHandler $userHandler |
| 124 |
* @param UserGroupFactory $userGroupFactory |
| 125 |
*/ |
| 126 |
public function __construct( |
| 127 |
Wordpress $wordpress, |
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WordpressConfig $wordpressConfig, |
| 129 |
MainConfig $mainConfig, |
| 130 |
Database $database, |
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ObjectHandler $objectHandler, |
| 132 |
UserHandler $userHandler, |
| 133 |
UserGroupFactory $userGroupFactory |
| 134 |
) { |
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$this->wordpress = $wordpress; |
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$this->wordpressConfig = $wordpressConfig; |
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$this->mainConfig = $mainConfig; |
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$this->database = $database; |
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$this->objectHandler = $objectHandler; |
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$this->userHandler = $userHandler; |
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$this->userGroupFactory = $userGroupFactory; |
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} |
| 143 |
|
| 144 |
/** |
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* Returns all user groups. |
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* |
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* @return UserGroup[] |
| 148 |
*/ |
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public function getUserGroups() |
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{ |
| 151 |
if ($this->userGroups === null) { |
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$this->userGroups = []; |
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|
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$query = "SELECT ID FROM {$this->database->getUserGroupTable()}"; |
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$userGroups = (array)$this->database->getResults($query); |
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|
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foreach ($userGroups as $userGroup) { |
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$group = $this->userGroupFactory->createUserGroup($userGroup->ID); |
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$this->userGroups[$group->getId()] = $group; |
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} |
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} |
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|
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return $this->userGroups; |
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} |
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|
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/** |
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* Returns all dynamic user groups. |
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* |
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* @return null|DynamicUserGroup[] |
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*/ |
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public function getDynamicUserGroups() |
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{ |
| 173 |
if ($this->dynamicUserGroups === null) { |
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$this->dynamicUserGroups = []; |
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|
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$notLoggedInUserGroup = $this->userGroupFactory->createDynamicUserGroup( |
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DynamicUserGroup::USER_TYPE, |
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DynamicUserGroup::NOT_LOGGED_IN_USER_ID |
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); |
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$this->dynamicUserGroups[$notLoggedInUserGroup->getId()] = $notLoggedInUserGroup; |
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|
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$userGroupTypes = implode('\', \'', [DynamicUserGroup::ROLE_TYPE, DynamicUserGroup::USER_TYPE]); |
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|
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$query = "SELECT group_id AS id, group_type AS type |
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FROM {$this->database->getUserGroupToObjectTable()} |
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WHERE group_type IN ('{$userGroupTypes}') |
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GROUP BY group_type, group_id"; |
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|
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$dynamicUserGroups = (array)$this->database->getResults($query); |
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|
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foreach ($dynamicUserGroups as $dynamicUserGroup) { |
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$group = $this->userGroupFactory->createDynamicUserGroup( |
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$dynamicUserGroup->type, |
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$dynamicUserGroup->id |
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); |
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|
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$this->dynamicUserGroups[$group->getId()] = $group; |
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} |
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} |
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|
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return $this->dynamicUserGroups; |
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} |
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|
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/** |
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* Returns the full user groups |
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* |
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* @return AbstractUserGroup[] |
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*/ |
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public function getFullUserGroups() |
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{ |
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return $this->getUserGroups() + $this->getDynamicUserGroups(); |
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} |
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|
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/** |
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* Returns the user groups filtered by the user user groups. |
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* |
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* @return AbstractUserGroup[] |
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*/ |
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public function getFilteredUserGroups() |
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{ |
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$userGroups = $this->getFullUserGroups(); |
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$userUserGroups = $this->getUserGroupsForUser() + $this->getDynamicUserGroups(); |
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return array_intersect_key($userGroups, $userUserGroups); |
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} |
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|
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/** |
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* Adds a user group. |
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* |
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* @param UserGroup $userGroup The user group which we want to add. |
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*/ |
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public function addUserGroup(UserGroup $userGroup) |
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{ |
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$this->getUserGroups(); |
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$this->userGroups[$userGroup->getId()] = $userGroup; |
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$this->filteredUserGroups = null; |
| 236 |
} |
| 237 |
|
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/** |
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* Deletes a user group. |
| 240 |
* |
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* @param integer $userGroupId The user group _iId which we want to delete. |
| 242 |
* |
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* @return bool |
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*/ |
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public function deleteUserGroup($userGroupId) |
| 246 |
{ |
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$userGroups = $this->getUserGroups(); |
| 248 |
|
| 249 |
if (isset($userGroups[$userGroupId]) |
| 250 |
&& $userGroups[$userGroupId]->delete() === true |
| 251 |
) { |
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unset($this->userGroups[$userGroupId]); |
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$this->filteredUserGroups = null; |
| 254 |
|
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return true; |
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} |
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|
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return false; |
| 259 |
} |
| 260 |
|
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/** |
| 262 |
* Returns the user groups for the given object. |
| 263 |
* |
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* @param string $objectType The object type. |
| 265 |
* @param integer $objectId The id of the object. |
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* @param bool $ignoreDates If true we ignore the dates for the object assignment. |
| 267 |
* |
| 268 |
* @return AbstractUserGroup[] |
| 269 |
*/ |
| 270 |
public function getUserGroupsForObject($objectType, $objectId, $ignoreDates = false) |
| 271 |
{ |
| 272 |
if ($this->objectHandler->isValidObjectType($objectType) === false) { |
| 273 |
return []; |
| 274 |
} |
| 275 |
|
| 276 |
if (isset($this->objectUserGroups[(int)$ignoreDates][$objectType][$objectId]) === false) { |
| 277 |
$objectUserGroups = []; |
| 278 |
$userGroups = $this->getFullUserGroups(); |
| 279 |
|
| 280 |
foreach ($userGroups as $userGroup) { |
| 281 |
$userGroup->setIgnoreDates($ignoreDates); |
| 282 |
|
| 283 |
if ($userGroup->isObjectMember($objectType, $objectId) === true) { |
| 284 |
$objectUserGroups[$userGroup->getId()] = $userGroup; |
| 285 |
} |
| 286 |
} |
| 287 |
|
| 288 |
$this->objectUserGroups[(int)$ignoreDates][$objectType][$objectId] = $objectUserGroups; |
| 289 |
} |
| 290 |
|
| 291 |
return $this->objectUserGroups[(int)$ignoreDates][$objectType][$objectId]; |
| 292 |
} |
| 293 |
|
| 294 |
/** |
| 295 |
* Unset the object user groups. |
| 296 |
*/ |
| 297 |
public function unsetUserGroupsForObject() |
| 298 |
{ |
| 299 |
$this->objectUserGroups = []; |
| 300 |
} |
| 301 |
|
| 302 |
/** |
| 303 |
* Checks if the current user is in the ip range or if the user group is public. |
| 304 |
* |
| 305 |
* @param UserGroup $userGroup |
| 306 |
* |
| 307 |
* @return bool |
| 308 |
*/ |
| 309 |
private function checkUserGroupAccess(UserGroup $userGroup) |
| 310 |
{ |
| 311 |
$userIp = isset($_SERVER['HTTP_X_REAL_IP']) ? $_SERVER['HTTP_X_REAL_IP'] : $_SERVER['REMOTE_ADDR']; |
| 312 |
|
| 313 |
return $this->userHandler->isIpInRange($userIp, $userGroup->getIpRangeArray()) |
| 314 |
|| $this->wordpressConfig->atAdminPanel() === false && $userGroup->getReadAccess() === 'all' |
| 315 |
|| $this->wordpressConfig->atAdminPanel() === true && $userGroup->getWriteAccess() === 'all'; |
| 316 |
} |
| 317 |
|
| 318 |
/** |
| 319 |
* Assigns the dynamic user groups to the user user groups. |
| 320 |
* |
| 321 |
* @param \WP_User $currentUser |
| 322 |
* @param array $userGroupsForUser |
| 323 |
*/ |
| 324 |
private function assignDynamicUserGroupsForUser(\WP_User $currentUser, array &$userGroupsForUser) |
| 325 |
{ |
| 326 |
$userUserGroup = $this->userGroupFactory->createDynamicUserGroup( |
| 327 |
DynamicUserGroup::USER_TYPE, |
| 328 |
$currentUser->ID |
| 329 |
); |
| 330 |
$userGroupsForUser[$userUserGroup->getId()] = $userUserGroup; |
| 331 |
$roles = $this->userHandler->getUserRole($currentUser); |
| 332 |
|
| 333 |
foreach ($roles as $role) { |
| 334 |
$group = $this->userGroupFactory->createDynamicUserGroup( |
| 335 |
DynamicUserGroup::ROLE_TYPE, |
| 336 |
$role |
| 337 |
); |
| 338 |
|
| 339 |
$userGroupsForUser[$group->getId()] = $group; |
| 340 |
} |
| 341 |
} |
| 342 |
|
| 343 |
/** |
| 344 |
* Returns the user groups for the user. |
| 345 |
* |
| 346 |
* @return AbstractUserGroup[] |
| 347 |
*/ |
| 348 |
public function getUserGroupsForUser() |
| 349 |
{ |
| 350 |
if ($this->userHandler->checkUserAccess(UserHandler::MANAGE_USER_GROUPS_CAPABILITY) === true) { |
| 351 |
return $this->getUserGroups(); |
| 352 |
} |
| 353 |
|
| 354 |
if ($this->userGroupsForUser === null) { |
| 355 |
$currentUser = $this->wordpress->getCurrentUser(); |
| 356 |
$userGroupsForUser = $this->getUserGroupsForObject( |
| 357 |
ObjectHandler::GENERAL_USER_OBJECT_TYPE, |
| 358 |
$currentUser->ID |
| 359 |
); |
| 360 |
|
| 361 |
$this->assignDynamicUserGroupsForUser($currentUser, $userGroupsForUser); |
| 362 |
$userGroups = $this->getUserGroups(); |
| 363 |
|
| 364 |
foreach ($userGroups as $userGroup) { |
| 365 |
if (isset($userGroupsForUser[$userGroup->getId()]) === false |
| 366 |
&& $this->checkUserGroupAccess($userGroup) === true |
| 367 |
) { |
| 368 |
$userGroupsForUser[$userGroup->getId()] = $userGroup; |
| 369 |
} |
| 370 |
} |
| 371 |
|
| 372 |
$this->userGroupsForUser = $userGroupsForUser; |
| 373 |
} |
| 374 |
|
| 375 |
return $this->userGroupsForUser; |
| 376 |
} |
| 377 |
|
| 378 |
/** |
| 379 |
* Returns the user groups for the object filtered by the user user groups. |
| 380 |
* |
| 381 |
* @param string $objectType |
| 382 |
* @param int $objectId |
| 383 |
* @param bool $ignoreDates |
| 384 |
* |
| 385 |
* @return AbstractUserGroup[] |
| 386 |
*/ |
| 387 |
public function getFilteredUserGroupsForObject($objectType, $objectId, $ignoreDates = false) |
| 388 |
{ |
| 389 |
$userGroups = $this->getUserGroupsForObject($objectType, $objectId, $ignoreDates); |
| 390 |
$userUserGroups = $this->getUserGroupsForUser() + $this->getDynamicUserGroups(); |
| 391 |
return array_intersect_key($userGroups, $userUserGroups); |
| 392 |
} |
| 393 |
|
| 394 |
/** |
| 395 |
* Checks it the user has access because he is the author. |
| 396 |
* |
| 397 |
* @param string $objectType |
| 398 |
* @param string $objectId |
| 399 |
* |
| 400 |
* @return bool |
| 401 |
*/ |
| 402 |
private function hasAuthorAccess($objectType, $objectId) |
| 403 |
{ |
| 404 |
if ($this->mainConfig->authorsHasAccessToOwn() === true |
| 405 |
&& $this->objectHandler->isPostType($objectType) |
| 406 |
) { |
| 407 |
$currentUser = $this->wordpress->getCurrentUser(); |
| 408 |
$post = $this->objectHandler->getPost($objectId); |
| 409 |
return ($post !== false && $currentUser->ID === (int)$post->post_author); |
| 410 |
} |
| 411 |
|
| 412 |
return false; |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Checks if the current_user has access to the given post. |
| 417 |
* |
| 418 |
* @param string $objectType The object type which should be checked. |
| 419 |
* @param integer $objectId The id of the object. |
| 420 |
* |
| 421 |
* @return bool |
| 422 |
*/ |
| 423 |
public function checkObjectAccess($objectType, $objectId) |
| 424 |
{ |
| 425 |
if (isset($this->objectAccess[$objectType][$objectId]) === false) { |
| 426 |
if ($this->objectHandler->isValidObjectType($objectType) === false |
| 427 |
|| $this->userHandler->checkUserAccess(UserHandler::MANAGE_USER_GROUPS_CAPABILITY) === true |
| 428 |
|| $this->hasAuthorAccess($objectType, $objectId) === true |
| 429 |
) { |
| 430 |
$access = true; |
| 431 |
} else { |
| 432 |
$membership = $this->getUserGroupsForObject($objectType, $objectId); |
| 433 |
$access = $membership === [] || array_intersect_key($membership, $this->getUserGroupsForUser()) !== []; |
| 434 |
} |
| 435 |
|
| 436 |
$this->objectAccess[$objectType][$objectId] = $access; |
| 437 |
} |
| 438 |
|
| 439 |
return $this->objectAccess[$objectType][$objectId]; |
| 440 |
} |
| 441 |
|
| 442 |
/** |
| 443 |
* Returns the excluded objects. |
| 444 |
* |
| 445 |
* @param string $type |
| 446 |
* @param array $filterTypesMap |
| 447 |
* |
| 448 |
* @return array |
| 449 |
*/ |
| 450 |
private function getExcludedObjects($type, array $filterTypesMap = []) |
| 451 |
{ |
| 452 |
$excludedObjects = []; |
| 453 |
$userGroups = $this->getUserGroups(); |
| 454 |
|
| 455 |
foreach ($userGroups as $userGroup) { |
| 456 |
$excludedObjects += $userGroup->getAssignedObjectsByType($type); |
| 457 |
} |
| 458 |
|
| 459 |
$userUserGroups = $this->getUserGroupsForUser(); |
| 460 |
|
| 461 |
foreach ($userUserGroups as $userGroup) { |
| 462 |
$excludedObjects = array_diff_key($excludedObjects, $userGroup->getAssignedObjectsByType($type)); |
| 463 |
} |
| 464 |
|
| 465 |
if ($filterTypesMap !== []) { |
| 466 |
$excludedObjects = array_filter( |
| 467 |
$excludedObjects, |
| 468 |
function ($element) use ($filterTypesMap) { |
| 469 |
return isset($filterTypesMap[$element]) === false; |
| 470 |
} |
| 471 |
); |
| 472 |
} |
| 473 |
|
| 474 |
$objectIds = array_keys($excludedObjects); |
| 475 |
return array_combine($objectIds, $objectIds); |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Returns the excluded terms for a user. |
| 480 |
* |
| 481 |
* @return array |
| 482 |
*/ |
| 483 |
public function getExcludedTerms() |
| 484 |
{ |
| 485 |
if ($this->userHandler->checkUserAccess(UserHandler::MANAGE_USER_GROUPS_CAPABILITY)) { |
| 486 |
$this->excludedTerms = []; |
| 487 |
} |
| 488 |
|
| 489 |
if ($this->excludedTerms === null) { |
| 490 |
$this->excludedTerms = $this->getExcludedObjects(ObjectHandler::GENERAL_TERM_OBJECT_TYPE); |
| 491 |
} |
| 492 |
|
| 493 |
return $this->excludedTerms; |
| 494 |
} |
| 495 |
|
| 496 |
/** |
| 497 |
* Returns the none hidden post types map. |
| 498 |
* |
| 499 |
* @return array |
| 500 |
*/ |
| 501 |
private function getNoneHiddenPostTypes() |
| 502 |
{ |
| 503 |
if ($this->noneHiddenPostTypes === null) { |
| 504 |
$this->noneHiddenPostTypes = []; |
| 505 |
|
| 506 |
if ($this->wordpress->isAdmin() === false) { |
| 507 |
$postTypes = $this->objectHandler->getPostTypes(); |
| 508 |
|
| 509 |
foreach ($postTypes as $postType) { |
| 510 |
if ($this->mainConfig->hidePostType($postType) === false) { |
| 511 |
$this->noneHiddenPostTypes[$postType] = $postType; |
| 512 |
} |
| 513 |
} |
| 514 |
} |
| 515 |
} |
| 516 |
|
| 517 |
return $this->noneHiddenPostTypes; |
| 518 |
} |
| 519 |
|
| 520 |
/** |
| 521 |
* Returns the excluded posts. |
| 522 |
* |
| 523 |
* @return array |
| 524 |
*/ |
| 525 |
public function getExcludedPosts() |
| 526 |
{ |
| 527 |
if ($this->userHandler->checkUserAccess(UserHandler::MANAGE_USER_GROUPS_CAPABILITY)) { |
| 528 |
$this->excludedPosts = []; |
| 529 |
} |
| 530 |
|
| 531 |
if ($this->excludedPosts === null) { |
| 532 |
$noneHiddenPostTypes = $this->getNoneHiddenPostTypes(); |
| 533 |
$excludedPosts = $this->getExcludedObjects(ObjectHandler::GENERAL_POST_OBJECT_TYPE, $noneHiddenPostTypes); |
| 534 |
|
| 535 |
if ($this->mainConfig->authorsHasAccessToOwn() === true) { |
| 536 |
$query = $this->database->prepare( |
| 537 |
"SELECT ID |
| 538 |
FROM {$this->database->getPostsTable()} |
| 539 |
WHERE post_author = %d", |
| 540 |
$this->wordpress->getCurrentUser()->ID |
| 541 |
); |
| 542 |
|
| 543 |
$ownPosts = (array)$this->database->getResults($query); |
| 544 |
$ownPostIds = []; |
| 545 |
|
| 546 |
foreach ($ownPosts as $ownPost) { |
| 547 |
$ownPostIds[$ownPost->ID] = $ownPost->ID; |
| 548 |
} |
| 549 |
|
| 550 |
$excludedPosts = array_diff_key($excludedPosts, $ownPostIds); |
| 551 |
} |
| 552 |
|
| 553 |
$this->excludedPosts = $excludedPosts; |
| 554 |
} |
| 555 |
|
| 556 |
return $this->excludedPosts; |
| 557 |
} |
| 558 |
} |
| 559 |
|
