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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * The basic permission class provides user rights. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Lars Tiedemann <php@larstiedemann.de> |
| 12 | * @copyright 2005-2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2005-09-17 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Permission; |
| 21 | |
| 22 | use phpMyFAQ\Configuration; |
| 23 | use phpMyFAQ\Core\Exception; |
| 24 | use phpMyFAQ\Enums\PermissionType; |
| 25 | use phpMyFAQ\User\CurrentUser; |
| 26 | |
| 27 | /** |
| 28 | * Class BasicPermission |
| 29 | * |
| 30 | * @package phpMyFAQ\Permission |
| 31 | */ |
| 32 | class BasicPermission implements PermissionInterface |
| 33 | { |
| 34 | protected BasicPermissionRepository $repository; |
| 35 | |
| 36 | public function __construct( |
| 37 | protected Configuration $configuration, |
| 38 | ) { |
| 39 | $this->repository = new BasicPermissionRepository($configuration); |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Default right data stored when a new right is created. |
| 44 | * |
| 45 | * @var array<string, string|bool> |
| 46 | */ |
| 47 | public array $defaultRightData = [ |
| 48 | 'name' => 'DEFAULT_RIGHT', |
| 49 | 'description' => 'Short description.', |
| 50 | 'for_users' => true, |
| 51 | 'for_groups' => true, |
| 52 | 'for_sections' => true, |
| 53 | ]; |
| 54 | |
| 55 | /** |
| 56 | * Gives the user a new user-right. |
| 57 | * Returns true on success, otherwise false. |
| 58 | * |
| 59 | * @param int $userId User ID |
| 60 | * @param int $rightId Right ID |
| 61 | */ |
| 62 | public function grantUserRight(int $userId, int $rightId): bool |
| 63 | { |
| 64 | $rightData = $this->getRightData($rightId); |
| 65 | |
| 66 | if (!array_key_exists('for_users', $rightData)) { |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | return $this->repository->grantUserRight($userId, $rightId); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Returns an associative array with all data stored for in the |
| 75 | * database for the specified right. The keys of the returned |
| 76 | * array are the field names. |
| 77 | * |
| 78 | * @return array<string, mixed> |
| 79 | */ |
| 80 | public function getRightData(int $rightId): array |
| 81 | { |
| 82 | return $this->repository->getRightData($rightId); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Returns true if the user given by user_id has the right, |
| 87 | * otherwise false. Unlike checkUserRight(), right may be a |
| 88 | * right-ID or a right-name. Another difference is that also |
| 89 | * group rights are taken into account. |
| 90 | * |
| 91 | * @param int $userId User ID |
| 92 | * @param mixed $right Right ID or right name |
| 93 | * @throws Exception |
| 94 | */ |
| 95 | public function hasPermission(int $userId, mixed $right): bool |
| 96 | { |
| 97 | $currentUser = new CurrentUser($this->configuration); |
| 98 | $currentUser->getUserById($userId); |
| 99 | |
| 100 | if ($currentUser->isSuperAdmin()) { |
| 101 | return true; |
| 102 | } |
| 103 | |
| 104 | if (!is_numeric($right) && is_string($right)) { |
| 105 | $right = $this->getRightId($right); |
| 106 | } |
| 107 | |
| 108 | if ($right instanceof PermissionType) { |
| 109 | $right = $this->getRightId($right->value); |
| 110 | } |
| 111 | |
| 112 | return $this->checkUserRight($currentUser->getUserId(), (int) $right); |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Returns the right-ID of the right with the name $name. |
| 117 | * |
| 118 | * @param string $name Name |
| 119 | */ |
| 120 | public function getRightId(string $name): int |
| 121 | { |
| 122 | return $this->repository->getRightId($name); |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Returns true if the user given by user_id has the right |
| 127 | * specified by right_id, otherwise false. |
| 128 | * |
| 129 | * @param int $userId User ID |
| 130 | * @param int $rightId Right ID |
| 131 | */ |
| 132 | public function checkUserRight(int $userId, int $rightId): bool |
| 133 | { |
| 134 | return $this->repository->checkUserRight($userId, $rightId); |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Returns an array that contains the IDs of all user-rights |
| 139 | * the user owns. |
| 140 | * |
| 141 | * @param int $userId User ID |
| 142 | * |
| 143 | * @return array<int> |
| 144 | */ |
| 145 | public function getAllUserRights(int $userId): array |
| 146 | { |
| 147 | return $this->getUserRights($userId); |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Returns the number of user-rights the user specified by |
| 152 | * user_id owns. |
| 153 | * |
| 154 | * @param CurrentUser $currentUser User object |
| 155 | */ |
| 156 | public function getUserRightsCount(CurrentUser $currentUser): int |
| 157 | { |
| 158 | $userRights = $this->getUserRights($currentUser->getUserId()); |
| 159 | |
| 160 | return is_countable($userRights) ? count($userRights) : 0; |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Returns an array with the IDs of all user-rights the user |
| 165 | * specified by user_id owns. Group rights are not taken into |
| 166 | * account. |
| 167 | * |
| 168 | * @param int $userId User ID |
| 169 | * |
| 170 | * @return array<int> |
| 171 | */ |
| 172 | public function getUserRights(int $userId): array |
| 173 | { |
| 174 | return $this->repository->getUserRights($userId); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Adds a new right into the database. Returns the ID of the |
| 179 | * new right. The associative array right_data contains the right |
| 180 | * data stored in the rights table. |
| 181 | * |
| 182 | * @param array<string, mixed> $rightData Array if rights |
| 183 | */ |
| 184 | public function addRight(array $rightData): int |
| 185 | { |
| 186 | if ($this->getRightId((string) ($rightData['name'] ?? '')) > 0) { |
| 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | $nextId = $this->repository->nextRightId(); |
| 191 | $checkedRightData = $this->checkRightData($rightData); |
| 192 | $rightRow = []; |
| 193 | foreach ($checkedRightData as $fieldName => $fieldValue) { |
| 194 | $rightRow[$fieldName] = is_int($fieldValue) ? $fieldValue : (string) $fieldValue; |
| 195 | } |
| 196 | |
| 197 | if (!$this->repository->addRight($rightRow, $nextId)) { |
| 198 | return 0; |
| 199 | } |
| 200 | |
| 201 | return $nextId; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Checks the given associative array $right_data. If a |
| 206 | * parameter is incorrect or is missing, it will be replaced |
| 207 | * by the default values in $this->default_right_data. |
| 208 | * Returns the corrected $right_data associative array. |
| 209 | * |
| 210 | * @param array<string, mixed> $rightData Array of rights |
| 211 | * |
| 212 | * @return array<string, mixed> |
| 213 | */ |
| 214 | public function checkRightData(array $rightData): array |
| 215 | { |
| 216 | $stringFields = ['name', 'description']; |
| 217 | foreach ($stringFields as $field) { |
| 218 | if (array_key_exists($field, $rightData) && is_string($rightData[$field])) { |
| 219 | continue; |
| 220 | } |
| 221 | |
| 222 | $rightData[$field] = $this->defaultRightData[$field]; |
| 223 | } |
| 224 | |
| 225 | $booleanLikeFields = ['for_users', 'for_groups', 'for_sections']; |
| 226 | foreach ($booleanLikeFields as $field) { |
| 227 | if (array_key_exists($field, $rightData)) { |
| 228 | continue; |
| 229 | } |
| 230 | |
| 231 | $rightData[$field] = $this->defaultRightData[$field]; |
| 232 | } |
| 233 | |
| 234 | $rightData['for_users'] = (int) $rightData['for_users']; |
| 235 | $rightData['for_groups'] = (int) $rightData['for_groups']; |
| 236 | $rightData['for_sections'] = (int) $rightData['for_sections']; |
| 237 | |
| 238 | return $rightData; |
| 239 | } |
| 240 | |
| 241 | /** |
| 242 | * Renames rights, only used for updates. |
| 243 | */ |
| 244 | public function renameRight(string $oldName, string $newName): bool |
| 245 | { |
| 246 | $rightId = $this->getRightId($oldName); |
| 247 | if ($rightId === 0) { |
| 248 | return false; |
| 249 | } |
| 250 | |
| 251 | return $this->repository->renameRight($rightId, $newName); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Returns an array that contains all rights stored in the |
| 256 | * database. Each array element is an associative array with |
| 257 | * the complete right-data. By passing the optional parameter |
| 258 | * $order, the order of the array may be specified. Default is |
| 259 | * $order = 'right_id ASC'. |
| 260 | * |
| 261 | * @param string $order Ordering |
| 262 | * |
| 263 | * @return array<int, array> |
| 264 | */ |
| 265 | public function getAllRightsData(string $order = 'ASC'): array |
| 266 | { |
| 267 | return $this->repository->getAllRightsData($order); |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Refuses all user rights. |
| 272 | * Returns true on success, otherwise false. |
| 273 | * |
| 274 | * @param int $userId User ID |
| 275 | */ |
| 276 | public function refuseAllUserRights(int $userId): bool |
| 277 | { |
| 278 | return $this->repository->refuseAllUserRights($userId); |
| 279 | } |
| 280 | |
| 281 | /** |
| 282 | * Returns an array with the IDs of all groups the user belongs to. |
| 283 | * Since this is BasicPermission, always return an empty array. |
| 284 | * |
| 285 | * @param int $userId User ID |
| 286 | * @return array<int> |
| 287 | */ |
| 288 | public function getUserGroups(int $userId): array |
| 289 | { |
| 290 | return []; |
| 291 | } |
| 292 | } |